Daily bump.
[official-gcc.git] / gcc / ChangeLog-2006
blob1d661d0d70bf36fdee9b8fd90d2ad397ec638a77
1 2006-12-31  Richard Guenther  <rguenther@suse.de>
3         PR middle-end/30137
4         * fold-const.c (fold_comparison): Fold comparison of addresses
5         of components.
7 2006-12-31  Roger Sayle  <roger@eyesopen.com>
9         PR middle-end/30322
10         * fold-const.c (fold_binary): Fold X + ~X and ~X + X into -1 when
11         we don't care about trapping overflow.  Only convert -A - 1 into ~A
12         when we don't care about trapping overflow.
14 2006-12-31  Richard Guenther  <rguenther@suse.de>
16         PR middle-end/30338
17         * fold-const.c (fold_binary): Fix type-mismatch in folding
18         of -1 - A to ~A.
20 2006-12-30  Kazu Hirata  <kazu@codesourcery.com>
22         * tree-inline.c: Fix a comment typo.
24 2006-12-30  Jan Hubicka  <jh@suse.cz>
26         * ipa-pure-const.c (check_operand): SSA_NAME is safe.
27         * ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.
29 2006-12-30  Jan Hubicka  <jh@suse.cz>
31         * tree.h (DECL_CALL_CLOBBERED): Remove.
32         (tree_decl_common): Remove call_clobbered flag.
33         * tree-flow.h (struct var_ann_d): Add call_clobbered flag.
34         * tree-ssa-alias.c (mark_non_addressable, reset_cc_flags): Update.
35         * tree-flow-inline.h (is_call_clobbered, mark_call_clobbered,
36         clear_call_clobbered): Update.
37         * tree-ssa.c (verify_call_clobbering): Update.
39 2006-12-30  Jan Hubicka  <jh@suse.cz>
41         * tree-ssa-alias.c (create_structure_vars): When in SSA, update operand
42         caches.
43         * tree-ssa-operands.c (build_ssa_operands): Recompute addresses_taken
44         bitmap.
46 2006-12-30  Jan Hubicka  <jh@suse.cz>
47             Vladimir Yanovsky <volodyan@gmail.com>
49         * emit-rt.c (emit_copy_of_insn_after): Fix bug causing exponential
50         amount of copies of INSN_NOTEs list.
52 2006-12-29  Jan Hubicka  <jh@suse.cz>
54         * cgraph.c (cgraph_expand_queue): Rename to...
55         (cgraph_new_nodes): ... this one.
56         (cgraph_state): New global variable.
57         (cgraph_add_new_function): Work in more cases.
58         * cgraph.h (cgraph_expand_queue): Rename to ...
59         (cgraph_new_nodes): ... this one.
60         (cgraph_state): New enum and static variable.
61         (cgraph_add_new_function): Update prototype.
62         (cgraph_process_new_functions): New.
63         * omp-low.c (expand_omp_parallel): Update.
64         * cgraphunit.c (initialize_inline_failed): Declare early.
65         (cgraph_process_new_functions): New function.
66         (cgraph_assemble_pending_functions): Use it.
67         (cgraph_expand_all_functions): Use it.
68         (cgraph_optimize): Use it; set cgraph_state.
69         * passes.c (execute_one_pass, execute_ipa_pass_list): Process new
70         functions
72 2006-12-29  Kazu Hirata  <kazu@codesourcery.com>
74         * tree-cfg.c (last_stmt_ptr): Remove.
75         * tree-flow.h: Remove the prototype for last_stmt_ptr.
77         * config/i386/i386.h (NON_QI_REG_P): Remove.
78         * config/i386/predicates.md (non_q_regs_operand): Remove.
80 2006-12-29  Ian Lance Taylor  <iant@google.com>
82         * c-common.c (c_define_builtins): New static function broken out
83         of c_common_nodes_and_builtins.
84         (c_common_nodes_and_builtins): Call c_define_builtins unless only
85         doing preprocessing.
87 2006-12-29  Jan Hubicka  <jh@suse.cz>
89         * tree-inline.c (remap_ssa_name): New function.
90         (remap_decl): Update SSA datastructures for DECLs.
91         (copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
92         (copy_bb): Set SSA_NAME def stmts.
93         (update_ssa_acorss_eh_edges): New function.
94         (copy_edge_for_bb): Call it; mark new vars for renaming.
95         (copy_phis_for_bb): New function.
96         (initialize_cfun): Break out from ...
97         (copy_cfg_body): ... here; maintain AUX map for both directions;
98         call SSA updating workers; do not produce copy of cfun to be copied.
99         (setup_one_parameter): Do propagation across SSA form.
100         (declare_return_variable): Work on SSA; use return_slot instead of
101         address of return slot of argument to avoid folding back and forth.
102         (expand_call_inline): Update SSA from on return values.
103         (optimize_inline_calls): Do sanity checking, dead blocks removal,
104         update SSA form.
105         (tree_function_verioning): Update initialize_cfun.
107 2006-12-29  Marcin Dalecki  <martin@dalecki.de>
109         * doc/invoke.texi: Replace no longer supported -fno-strength-reduce
110         with -fmerge-constants in sample code.
112 2006-12-28  Kazu Hirata  <kazu@codesourcery.com>
114         * Makefile.in (OBJS-common): Remove conflict.o
115         (conflict.o): Remove.
116         * basic-block.h: Remove the prototypes for conflict.c.
117         * conflict.c: Remove.
119 2006-12-27  Daniel Berlin  <dberlin@dberlin.org>
121         * sbitmap.c (BITMAP_DEBUGGING): New macro.
122         (do_popcount): Ditto.
123         (sbitmap_verify_popcount): New function.
124         (sbitmap_alloc): Set popcount to NULL, remove set of bytes
125         member.
126         (sbitmap_alloc_with_popcount): New function.
127         (sbitmap_resize): Remove uses of bytes member and update
128         popcount.
129         (sbitmap_realloc): Remove uses of bytes member.
130         (sbitmap_copy): Copy popcount.
131         (sbitmap_copy_n): New function.
132         (sbitmap_zero): Update popcount cache.
133         (sbitmap_ones): Ditto.
134         (sbitmap_a_and_b): Ditto.
135         (sbitmap_a_or_b): Ditto.
136         (sbitmap_a_xor_b): Ditto.
137         (sbitmap_union_of_diff_cg): Assert non-existence of popcount
138         cache.
139         (sbitmap_union_of_diff): Ditto.
140         (sbitmap_not): Ditto.
141         (sbitmap_difference): Ditto.
142         (sbitmap_a_and_b_cg): Ditto.
143         (sbitmap_a_xor_b_cg): Ditto.
144         (sbitmap_a_or_b_cg): Ditto.
145         (sbitmap_a_or_b_and_c_cg): Ditto.
146         (sbitmap_a_and_b_or_c_cg): Ditto.
147         (sbitmap_intersection_of_succs): Ditto.
148         (sbitmap_intersection_of_preds): Ditto.
149         (sbitmap_union_of_succs): Ditto.
150         (sbitmap_union_of_preds): Ditto.
151         (popcount_table): New.
152         (sbitmap_elt_popcount): New function.
153         (sbitmap_popcount): Ditto.
155         * sbitmap.h (sbitmap): Remove bytes member.
156         Add popcount member.
157         (SET_BIT): Macro turned into function.
158         (RESET_BIT): Ditto.
159         (SBITMAP_SIZE_BYTES): New macro.
160         (sbitmap_free): Free popcount too.
161         (sbitmap_alloc_with_popcount): New prototype.
162         (sbitmap_copy_n): Ditto.
163         (sbitmap_verify_popcount): Ditto.
165 2006-12-27  Ian Lance Taylor  <iant@google.com>
167         PR debug/26964
168         * dwarf2out.c (gen_type_die): Don't write out a DIE for
169         ENUMERAL_TYPE if it was already written out.
171 2006-12-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
173         PR middle-end/29335
174         * builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
175         do_mpfr_sincos): Ensure target base equals two.
177 2006-12-26  Kazu Hirata  <kazu@codesourcery.com>
179         * tree-ssa-operands.c: Fix a comment typo.
181 2006-12-25  Kazu Hirata  <kazu@codesourcery.com>
183         * tree-vectorizer.h (VECT_SMODULO): Remove.
185 2006-12-24  Andreas Tobler  <a.tobler@schweiz.org>
187         * config/pa/pa.c: Remove heap vector type defines.
189 2006-12-24  Jan Hubicka  <jh@suse.cz>
191         * tree-ssa-operands.h (struct ssa_operand_memory_d):
192         add ssa_operand_mem_size.
193         * tree-ssa-operands.c (operands_bitmap_obstack): New.
194         (ssa_operand_mem_size): Remove.
195         (init_ssa_operands): Initialize obstack; use it.
196         (fini_ssa_operands): Release obstack.
197         (ssa_operand_alloc): Update.
198         (finalize_ssa_vdefs, finalize_ssa_vuse_ops, copy_virtual_operands,
199         get_mpt_for): Use obstack.
200         * tree-ssa.c (delete_tree_ssa): Call fini_ssa_operands.
201         * tree-outof-ssa.c: (remove_ssa_form): Don't call it here.
203 2006-12-24  Jan Hubicka  <jh@suse.cz>
205         * tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
206         add newly referenced vars.
208 2006-12-24  Kazu Hirata  <kazu@codesourcery.com>
210         * basic-block.h: Remove the prototype for
211         expected_value_to_br_prob.
212         * rtl.h: Remove the prototypes for expand_builtin_expect_jump
213         and purge_line_number_notes.
215 2006-12-23  Zdenek Dvorak <dvorakz@suse.cz>
217         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
218         assert_no_overflow_lt, assert_loop_rolls_lt,
219         number_of_iterations_lt, number_of_iterations_le,
220         number_of_iterations_cond, number_of_iterations_exit):
221         Use integer_zerop/integer_nonzerop instead of
222         null_or_integer_zerop/nonnull_and_integer_nonzerop.
223         * tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
224         Removed.
225         * tree-scalar-evolution.c (simple_iv): Return zero for step of
226         an invariant.
227         * tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
228         to zero.
229         (get_iv): Return NULL for non-scalar types.  Use zero as a step
230         of an invariant.
231         (determine_biv_step, find_interesting_uses_op,
232         find_interesting_uses_cond, find_interesting_uses_stmt,
233         add_old_ivs_candidates, determine_use_iv_cost_condition,
234         rewrite_use_compare, remove_unused_ivs):
235         Use integer_zerop instead of null_or_integer_zerop.
236         (struct ifs_ivopts_data): Replace step_p field with step field.
237         (idx_find_step): Use zero as a step of an invariant.  Modify
238         step instead of *step_p.
239         (find_interesting_uses_address): Use zero as a step of an invariant.
240         Use integer_zerop instead of null_or_integer_zerop.
241         (find_interesting_uses_outside): Call find_interesting_uses_op only
242         for phi nodes for real operands.
243         (add_candidate_1): Expect step to be non-NULL.
244         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be
245         non-NULL.
247 2006-12-23  Andrew Pinski  <pinskia@gmail.com>
249         * vec.c: Don't include tree.h.
250         * Makefile.in (vec.o): Update dependencies.
251         (build/vec.o): Likewise.
253 2006-12-23  Kazu Hirata  <kazu@codesourcery.com>
255         * common.opt (flag_force_mem): Remove.
256         * doc/invoke.texi (-fforce-mem): Remove.
257         * opts.c (common_handle_option): Don't handle OPT_fforce_mem.
259         * Makefile.in (final.o): Depend on vecprim.h.
260         * final.c: Include vecprim.h.
261         (insn_addresses_): Change the type to VEC(int,heap)*.
262         * insn-addr.h (INSN_ADDRESSES_DEFN): Remove.
263         (INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, INSN_ADDRESSES_SIZE,
264         INSN_ADDRESSES_NEW): Use VEC instead of VARRAY.
266 2006-12-23  Marcin Dalecki  <martin@dalecki.de>
268         * cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
269         consumption reporting.
271 2006-12-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
273         PR middle-end/7651
274         * c.opt (Wmissing-parameter-type): New.
275         * doc/invoke.texi (Wmissing-parameter-type): Document it.
276         (Wextra): Enabled by -Wextra.
277         * c-opts.c (c_common_post_options): Enabled by -Wextra.
278         * c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
279         Wmissing-parameter-type.
281 2006-12-23  Eric Botcazou  <ebotcazou@adacore.com>
283         * dwarf2out.c (dbx_reg_number): Do leaf register remapping
284         only if the function is leaf.
285         (multiple_reg_loc_descriptor): Likewise.
287 2006-12-23  Kazu Hirata  <kazu@codesourcery.com>
289         * rtl.h (NOTE_EXPECTED_VALUE): Remove.
291 2006-12-23  Jan Hubicka  <jh@suse.cz>
293         * toplev.c (dump_memory_report): Break out from...
294         (finalize): Here.
295         * toplev.h (dump_memory_report): Declare.
296         (cmp_statistic): Rename to ...
297         (final_cmp_statistic): ... this one
298         (cmp_statistic): New.
299         (dump_ggc_loc_staitsitcs): New FINAL parpameter.
300         * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
301         * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
302         allocated so far.
303         * cgraphunit.c (cgraph_optimize): Dump the memory reports.
305 2006-12-22  Mike Stump  <mrs@apple.com>
307         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
308         -mmacosx-version-min=10.4.
309         (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
311 2006-12-23  Jan Hubicka  <jh@suse.cz>
313         * tree-flow-inline.h (var_ann): External variable annotations are
314         unshared too.
315         (tree_common_ann): Handle correctly unshared variables annotations.
316         * tree-dfa.c (create_var_ann): External variable annotations are
317         unshared too.
319 2006-12-22  Kazu Hirata  <kazu@codesourcery.com>
321         * basic-block.h: Remove the prototype for
322         commit_edge_insertions_watch_calls.
323         * cfgrtl.c (commit_edge_insertion): Drop the last argument.
324         Simplify.
325         (commit_edge_insertions_watch_calls): Remove.
326         (commit_edge_insertions): Adjust the call to
327         commit_one_edge_insertion.
329 2006-12-22  Zdenek Dvorak <dvorakz@suse.cz>
331         * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
332         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
333         assert_no_overflow_lt, assert_loop_rolls_lt,
334         number_of_iterations_lt, number_of_iterations_le,
335         number_of_iterations_cond, tree_simplify_using_condition_1,
336         number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
337         implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
338         idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
339         Do not use zero_p/nonzero_p.
340         * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
341         * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
342         find_interesting_uses_op, find_interesting_uses_cond,
343         find_interesting_uses_address, find_interesting_uses_stmt,
344         strip_offset_1, add_candidate_1, add_old_ivs_candidates,
345         difference_cost, determine_use_iv_cost_condition,
346         rewrite_use_compare, remove_unused_ivs): Ditto.
347         * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
348         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
349         * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
350         * tree.h (zero_p): Declaration removed.
351         (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
353 2006-12-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
355         PR middle-end/7651
356         * c.opt (Wclobbered): New.
357         * doc/invoke.texi (Wclobbered): Document it.
358         (Wextra): Enabled by -Wextra.
359         * c-opts.c (c_common_post_options): Enabled by -Wextra.
360         * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
361         * function.c (setjmp_vars_warning): Only warn for Wclobbered.
362         (setjmp_args_warning): Likewise.
364 2006-12-22  Kazu Hirata  <kazu@codesourcery.com>
366         * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
367         tree-ssa-ter.c: Fix comment typos.
369 2006-12-22  Paolo Bonzini  <bonzini@gnu.org>
371         PR rtl-optimization/29840
373         * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
374         (fwprop_init): Add DF_HARD_REGS to df_init call.
376 2006-12-21  Andrew Pinski  <pinskia@gmail.com>
378         * tree-nested.c (create_tmp_var_for): Check for vector type
379         when setting DECL_GIMPLE_REG_P.
381 2006-12-21  Roger Sayle  <roger@eyesopen.com>
383         * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
384         as the else branch of a COND_EXPR.
386 2006-12-22  Kazu Hirata  <kazu@codesourcery.com>
388         * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
389         output.h, toplev.c, tree-affine.h, tree-flow.h,
390         tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
391         tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
392         tree-vrp.c, varpool.c: Fix comment typos.
394         * cgraphunit.c, varpool.c: Fix comment typos.
396 2006-12-22  Ulrich Weigand  <uweigand@de.ibm.com>
398         * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
399         * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
400         for insn setting up the frame pointer.  Do not set it for insns
401         setting up scratch registers or storing the backchain.
403 2006-12-21  Eric Botcazou  <ebotcazou@adacore.com>
405         PR other/29639
406         * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
407         are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
408         * configure: Regenerate.
410 2006-12-21  Joseph Myers  <joseph@codesourcery.com>
412         * rtlanal.c (subreg_get_info): Do not make register size
413         computations for mode sizes not divisible by the number of
414         registers.
416 2006-12-21  Daniel Berlin  <dberlin@dberlin.org>
418         * tree-ssa-structalias.c (build_constraint_graph): Insert complex
419         offsetted constraints into rhsvar, not lhsvar.
421 2006-12-21  Jakub Jelinek  <jakub@redhat.com>
423         PR middle-end/30262
424         PR middle-end/30263
425         * tree-nested.c (walk_asm_expr): New function.
426         (walk_stmts): Use it for ASM_EXPR.
428         PR target/30230
429         * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
430         (bundling): Use it.
432 2006-12-21  Nathan Sidwell  <nathan@codesourcery.com>
434         PR target/28966
435         PR target/29248
436         * reload1.c (reload): Realign stack after it changes size.
438 2006-12-20  Roger Sayle  <roger@eyesopen.com>
440         * simplify-rtx.c (simplify_subreg): Use the correct mode when
441         determining whether a SUBREG of a CONCAT refers to the first or
442         second component.
444 2006-12-21  Ben Elliston  <bje@au.ibm.com>
446         * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
447         local variable `d'.
449 2006-12-20  Jan Hubicka  <jh@suse.cz>
451         * tree-dfa.c (add_referenced_var): Walk initializers of
452         non-constant/readonly static vars.
454 2006-12-20  Jan Hubicka  <jh@suse.cz>
456         * tree-flow-inline.h (gimple_var_anns): New function.
457         (var_ann): Use hashtable for static functions.
458         * tree-dfa.c (create_var_ann): Likewise.
459         * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
460         (init_tree_ssa): Initialize var anns.
461         (delete_tree_ssa): Delete var anns; also clear out gimple_df.
462         * tree-flow.h (struct static_var_ann_d): New structure.
463         (gimple_df): Add var_anns.
465 2006-12-20  Carlos O'Donell  <carlos@codesourcery.com>
467         PR bootstrap/30242
468         * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
469         begin with the configured prefix.
471 2006-12-20  Jan Hubicka  <jh@suse.cz>
473         PR target/30213
474         * i386.c (expand_setmem_epilogue): Fix formating.
475         (dsmalest_pow2_greater_than): New function.
476         (ix86_expand_movmem): Improve comments; avoid re-computing of
477         epilogue size.
478         (promote_duplicated_reg_to_size): Break out from ...
479         (expand_setmem): ... this one; reorganize promotion code;
480         improve comments; avoid recomputation of epilogue size.
482 2006-12-20  Andrew Pinski  <pinskia@gmail.com>
484         PR middle-end/30143
485         * omp-low.c (init_tmp_var): New function.
486         (save_tmp_var): New function.
487         (lower_omp_1): Use them for VAR_DECL.
489 2006-12-20  Andrew Pinski  <pinskia@gmail.com>
491         * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
492         CONSTRUCTORs as min invariants.
494 2006-12-20  Joseph Myers  <joseph@codesourcery.com>
496         * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
497         New.
498         (subreg_regno_offset, subreg_offset_representable_p): Change to
499         wrappers about subreg_get_info.
500         (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
501         * rtl.h (subreg_nregs): Declare.
502         * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
503         subreg_get_info.
504         * caller-save.c (mark_set_regs, add_stored_regs): Use
505         subreg_nregs.
506         * df-scan.c (df_ref_record): Use subreg_nregs.
507         * flow.c (mark_set_1): Use subreg_nregs.
508         * postreload.c (move2add_note_store): Use subreg_nregs.
509         * reload.c (decompose, refers_to_regno_for_reload_p,
510         reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
511         * resource.c (update_live_status, mark_referenced_resources,
512         mark_set_resources): Use subreg_nregs.
514 2006-12-20  Zdenek Dvorak <dvorakz@suse.cz>
516         * loop-unswitch.c (unswitch_loop): Update arguments of
517         duplicate_loop_to_header_edge call.
518         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
519         * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
520         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
521         Ditto.
522         * cfgloopmanip.c (loop_version): Ditto.
523         (duplicate_loop_to_header_edge): Change
524         type of to_remove to VEC(edge), remove n_to_remove argument.
525         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
526         Change type of to_remove to VEC(edge), remove n_to_remove argument.
527         (tree_unroll_loop): Update arguments of
528         tree_duplicate_loop_to_header_edge call.
529         * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
530         Change type of to_remove to VEC(edge), remove n_to_remove argument.
531         * cfghooks.h (struct cfg_hooks): Type of
532         cfg_hook_duplicate_loop_to_header_edge changed.
533         (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
534         * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
535         * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
537 2006-12-20  Dorit Nuzman  <dorit@il.ibm.com>
539         * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
540         (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
541         (vec_widen_smult_lo_v8hi): New.
542         * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
543         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
544         (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
546 2006-12-20  Jan Hubicka  <jh@suse.cz>
548         * cgraph.c: Update overall comment; fix vertical spacing.
549         * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
551 2006-12-20  Jan Hubicka  <jh@suse.cz>
553         * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
554         macros.
555         (varpool_first_static_initializer, varpol_next_static_initializer): New
556         inline functions.
557         * ipa-reference.c (analyze_variable): Simplify.
558         (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
559         * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
561 2006-12-19  Andrew Pinski  <pinskia@gmail.com>
563         PR tree-opt/30045
564         * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
565         non null.
567 2006-12-20  Ben Elliston  <bje@au.ibm.com>
569         * doc/invoke.texi (Optimize Options): Typo fix.
571 2006-12-19  Eric Christopher  <echristo@apple.com>
573         * config/darwin.c (machopic_select_section): Rewrite.
574         (darwin_text_section): New.
575         (darwin_rodata_section): Ditto.
576         (darwin_mergeable_string_section): Ditto.
577         (darwin_mergeable_constant_section): Ditto.
578         * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
580 2006-12-19  Steve Ellcey  <sje@cup.hp.com>
582         * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL):  Add undef.
584 2006-12-19  Paolo Bonzini  <bonzini@gnu.org>
586         PR bootstrap/29544
587         * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
588         (STAGE1_CHECKING_CFLAGS): ... this.
590 2006-12-18  Andrew Pinski  <pinskia@gmail.com>
592         PR target/29779
593         * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
594         READONLY on __builtin_altivec_mask_for_load instead of adding
595         the attribute.
597 2006-12-18  Roger Sayle  <roger@eyesopen.com>
598             Eric Christopher  <echristo@apple.com>
600         PR target/29302
601         * real.c (real_maxval): Correctly handle IBM extended double format.
603 2006-12-19  Jan Hubicka  <jh@suse.cz>
605         * expmed.c (expand_mult_const): Force operand to constant.
606         * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
607         copy_rtx to arguments.
609 2006-12-19  Ben Elliston  <bje@au.ibm.com>
611         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
613 2006-12-19  Ben Elliston  <bje@au.ibm.com>
615         * cse.c (cse_insn): Fix formatting.
617 2006-12-18  Geoffrey Keating  <geoffk@apple.com>
619         * doc/invoke.texi (Debugging Options): Document -g0.
620         * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
621         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
623 2006-12-18  Ian Lance Taylor  <iant@google.com>
625         * c.opt (Wmissing-declarations): Add C++ and ObjC++.
626         * doc/invoke.texi (Warning Options): -Wmissing-declarations now
627         works for C++.
629 2006-12-18  Andrew MacLeod  <amacleod@redhat.com>
631         * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
632         (struct vuse_optype_d): Delete.
633         (SSA_OPERAND_MEMORY_SIZE): Delete.
634         (struct ssa_operand_memory_d): Change mem array to size one.
635         (NUM_VOP_FREE_BUCKETS): Define.
636         (free_vuses, free_vdefs): Replace with vop_free_buckets array.
637         (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
638         * tree-pretty-print.c (dump_vops): Use voptype_d type.
639         * tree-ssa-operands.c (vop_free_bucket_size): New.  Number of operands
640         which fit into a chunk of memory from a specific bucket.
641         (vop_free_bucket_index): New.  Find correct size memory bucket.
642         (init_vop_buckets): New.  Initialize VOP free memory buckets.
643         (add_vop_to_freelist): New.  Add a VOP to the correct free list.
644         (ssa_operand_mem_size): New.  Current size of an operand memory chunk.
645         (init_ssa_operands): Initialize operand memory and free lists.
646         (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
647         (ssa_operand_alloc): Use graduated size memory allocation.
648         (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
649         INITIALIZE_USE): Remove.
650         (alloc_vop): New.  Allocate a virtual operand.
651         (alloc_vdef, alloc_vuse): Delete.
652         (add_def_op, add_use_op): Directly setup pointers.
653         (add_vop): New.  Add a virtual operand.
654         (add_vuse_op, add_vdef_op): Call add_vop.
655         (realloc_vop): New.  Reallocate a virtual operand.
656         (realloc_vdef, realloc_vuse): Call realloc_vop.
657         (finalize_ssa_def_ops): Delete.  Move content to finalize_ssa_defs.
658         (finalize_ssa_defs): Optimize for common case, remove code based on
659         sorted pointers which was a waste of time.
660         (finalize_ssa_use_ops): Delete.  Move content to finalize_ssa_uses.
661         (finalize_ssa_uses): Update last pointer.
662         (finalize_ssa_vdef_ops): Delete.  Move content to finalize_ssa_vdefs.
663         (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
664         directly manipulate pointers.
665         (copy_virtual_operands): Use voptype_d, and no need to update pointers.
667 2006-12-18  Nathan Sidwell  <nathan@codesourcery.com>
669         * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
670         determine if memory operand is an indexed address or not.
672 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
674         * cselib.c (struct cselib_val_struct): Make val_rtx its
675         own field, remove the union that contained it.
676         * cselib.c: Update accordingly where necessary.
678 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
680         * cse.c (have_eh_succ_edges): New function.
681         (cse_insn): Don't remove dead EH edges here
682         (cse_extended_basic_block): Do it here.
683         (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
684         that we have removed all dead edges.
686 2006-12-17  Matthias Klose  <doko@debian.org>
688         PR libstdc++/11953
689         * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
691 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
693         * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
694         (cse_extended_basic_block): When truncating a path while processing
695         it, make sure to clear the visited bit on the basic blocks in the
696         truncated part of the path.
697         (cse_main): Use reverse completion order, not DFS order, to walk
698         the CFG.
699         (gate_handle_cse): Revert erroneous commit of a counter.
701 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
703         * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
704         variables, moved out from cse_insn.
705         (prev_insn): Remove this global variable).
706         (new_basic_block): Don't set it.
707         (cse_insn): Idem. Also, move code to delete unused CC0-setter
708         insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
709         from here...
710         (cse_extended_basic_block): ...to here.  Do not clear
711         prev_insn_cc0 until after recording equivalences from jumps.
713 2006-12-16  Jan Hubicka  <jh@suse.cz>
715         * cgraphunit.c (ipa_passes): Clear current_function_decl.
717 2006-12-16  Andreas Tobler  <a.tobler@schweiz.org>
719         * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
721 2006-12-16  Jan Hubicka  <jh@suse.cz>
723         * omp-low.c (expand_omp_parallel): Set function properties.
724         * function.h (struct function): Add curr_properties and last_verified.
725         * passes.c (register_dump_files): Do not set TODO_set_props for the
726         first pass
727         (init_optimization_passes): Set it here; reorder initialization so the
728         dump files appear in more logical order.
729         (last_verified, curr_properties): Kill.
730         (do_per_function): New function.
731         (execute_function_todo): Break out from ...
732         (execute_todo): ... here; handle per-function flags.
733         (clear_last_verified, verify_curr_properties,
734         update_properties_after_pass): New functions.
735         (execute_one_pass): Handle per-function properties.
736         (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
737         and current_function_decls are cleared out.
738         * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
739         after use.
741 2006-12-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
743         PR middle-end/7651
744         * c.opt (Wempty-body): New.
745         * doc/invoke.texi (Wempty-body): Document it.
746         (Wextra): Enabled by -Wextra.
747         * c-opts.c (c_common_post_options): Enabled by -Wextra.
748         * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
749         * c-parser.c (c_parser_c99_block_statement): Likewise.
751 2006-12-15  Jakub Jelinek  <jakub@redhat.com>
753         PR target/30185
754         * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
755         force_reg call.
757 2006-12-15  Andrew Pinski  <pinski@gmail.com>
759         PR tree-opt/30140
760         * tree-inline.c (setup_one_parameter): Gimplify the statement if
761         the variable is not a gimple register variable.
763 2006-12-15  Uros Bizjak  <ubizjak@gmail.com>
765         * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
767 2006-12-14  Jan Hubicka  <jh@suse.cz>
769         * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
770         to proper place.
772 2006-12-14  Richard Guenther  <rguenther@suse.de>
774         PR tree-optimization/30197
775         * builtins.c (fold_builtin_cexp): New function to fold cexp
776         to cexpi and exp parts.
777         * tree-ssa-pre.c (try_combine_conversion): Also handle
778         REALPART_EXPR and IMAGPART_EXPR.
780 2006-12-14  Richard Guenther  <rguenther@suse.de>
782         PR middle-end/30172
783         * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
784         + __complex__ ( 0, y ) to __complex__ ( x, y ).
785         Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
787 2006-12-14  Richard Guenther  <rguenther@suse.de>
789         PR tree-optimization/30198
790         * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
791         Fold IMAGPART_EXPR of cexpi to sin.
793 2006-12-14  Dorit Nuzman  <dorit@il.ibm.com>
794             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
796         * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
797         (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
798         only.
799         (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
800         (spu_builtin_mask_for_load): New.
801         * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
802         * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
803         (vec_realign_load_<mode>, spu_lvsr): New.
805 2006-12-13  Ian Lance Taylor  <iant@google.com>
807         PR c++/19564
808         PR c++/19756
809         * c-typeck.c (parser_build_binary_op): Move parentheses warnings
810         to warn_about_parentheses in c-common.c.
811         * c-common.c (warn_about_parentheses): New function.
812         * c-common.h (warn_about_parentheses): Declare.
813         * doc/invoke.texi (Warning Options): Update -Wparentheses
814         description.
816 2006-12-13  Zdenek Dvorak <dvorakz@suse.cz>
818         * tree-ssa-loop-ivopts.c: Include tree-affine.h.
819         (divide): Removed.
820         (constant_multiple_of): Fix order of operators for division.
821         (aff_combination_const, aff_combination_elt, aff_combination_scale,
822         aff_combination_add_elt, aff_combination_add, aff_combination_convert,
823         tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
824         aff_combination_to_tree): Moved to tree-affine.c and made to work with
825         double_int coefficients.
826         (get_computation_aff, get_computation_at): Work with double_int
827         coefficients.
828         (get_computation_cost_at): Do not use divide.
829         (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
830         Assert that expressing the computation did not fail.
831         * tree-ssa-address.c: Include tree-affine.h.
832         (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
833         create_mem_ref): Work with double_int coefficients.
834         * tree-affine.c: New file.
835         * tree-affine.h: New file.
836         * tree-flow.h (struct affine_tree_combination): Removed.
837         * Makefile.in (tree-affine.o): Add.
838         (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
839         dependency.
841 2006-12-13  Peter Bergner  <bergner@vnet.ibm.com>
843         PR middle-end/30191
844         Revert:
845         * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
846         the offset == 0 "then" clauses.
847         * config/rs6000/predicates.md (gpc_reg_operand): Check for
848         reload_in_progress.
850 2006-12-13  Uros Bizjak  <ubizjak@gmail.com>
852         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
853         (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
854         (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
855         (FRAME_POINTER_REGNUM): Update register number to 20.
856         (REG_CLASS_CONTENTS): Update contents due to removed dir register.
857         (HI_REGISTER_NAMES): Remove "dirflag".
859         * config/i386/i386.c (regclass_map): Remove dirflag entry.
860         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
861         Remove "dir" entry.
862         (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
864         * config/i386/i386.md (R10_REG, R11_REG): Renumber.
865         (sse_prologue_save, *sse_prologue_save_insn): Renumber
866         hardcoded SSE register numbers.
868         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
869         hardcoded MMX register numbers.
872 2006-12-13  Mark Shinwell  <shinwell@codesourcery.com>
874         * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
875         FLDMX.  Rename function to...
876         (vfp_output_fldmd): ...this.
877         (vfp_output_fstmx): Output FSTMD instead of FSTMX.  Rename
878         function to...
879         (vfp_output_fstmd): ...this.
880         (vfp_emit_fstmx): Don't leave space in the frame layout for the
881         FSTMX format word.  Rename function to...
882         (vfp_emit_fstmd): ...this.
883         (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
884         word.
885         (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
886         (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
887         word.  Also emit "vsave" assembler directives in such cases rather
888         than "save".
889         * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
890         gnu_Unwind_Save_VFP): Adjust comments.
891         (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
892         for saving and restoring using FSTMD and FLDMD rather than
893         FSTMX and FLDMX.
894         (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
895         New functions for saving and restoring the VFPv3 registers 16 .. 31.
896         * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
897         compilation case to correctly handle unwind opcode 0xc8 when using
898         VFP.
899         * config/arm/unwind-arm.c (struct vfpv3_regs): New.
900         (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
901         (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
902         __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
903         Declare.
904         (restore_non_core_regs): Restore registers using FLDMD rather than
905         FLDMX if required.  Also handle restoration of VFPv3 registers.
906         (_Unwind_VRS_Pop): Handle saving and restoring of registers using
907         FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
908         including cases where the caller specifies a range of registers
909         that overlaps the d15/d16 boundary.
911 2006-12-13  Diego Novillo  <dnovillo@redhat.com>
913         PR 30089
914         * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
915         accomodate 511 operands.
917 2006-12-13  Richard Guenther  <rguenther@suse.de>
919         * builtins.c (expand_builtin_cexpi): Fix typo.
921 2006-12-13  Jan Hubicka  <jh@suse.cz>
923         * Makefile.in: Add dependencies.
924         * tree-pretty-print.c: Include value-prof.h
925         (dump_generic_bb_buff): Dump histograms
926         * value-prof.c: Include pointer-set.h
927         (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
928         set_histogram_value, gimple_histogram_value,
929         gimple_add_histogram_value, gimple_remove_histogram_value,
930         gimple_histogram_value_of_type, dump_histogram_value,
931         dump_histograms_for_stmt, gimple_remove_stmt_histograms,
932         gimple_duplicate_stmt_histograms, visit_hist,
933         verify_histograms): New functions.
934         (tree_value_profile_transformations): Update for new histogram API.
935         (tree_divmod_fixed_value): Update for new histogram API.
936         (tree_divmod_fixed_value_transform): Update for new histogram API.
937         (tree_mod_pow2): Update for new histogram API.
938         (tree_mod_pow2_value_transform): Update for new histogram API.
939         (tree_mod_subtract): Update for new histogram API.
940         (tree_mod_subtract_transform): Update for new histogram API.
941         (tree_stringops_transform): Update for new histogram API.
942         (tree_divmod_values_to_profile): Update for new histogram API.
943         (tree_stringops_values_to_profile): Update for new histogram API.
944         (tree_find_values_to_profile): Update for new histogram API.
945         * value-prof.h (gimple_histogram_value): Declare.
946         (gimple_histogram_value_of_type): Declare.
947         (gimple_add_histogram_value): Declare.
948         (gimple_remove_histogram_value): Declare.
949         (dump_histograms_for_stmt): Declare.
950         (gimple_remove_histogram_value): Declare.
951         (gimple_remove_stmt_histograms): Declare.
952         (gimple_duplicate_stmt_histograms): Declare.
953         (verify_histograms): Declare.
954         * function.h
955         (struct funrction): Add value_histograms hash.
956         (VALUE_HISTOGRAMS): New macro.
957         * profile.c (compute_value_histograms): update for new API.
958         * tree-inline.c: Include value-prof.h
959         (copy_bb): Update histograms.
960         * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
961         reorder to get smaller memory layout.
962         * tree-cfg.c: Include value-prof.h
963         (bsi_remove): Update histograms.
964         (bsi_replace): Update histograms.
965         (verify_stmts): Call histogram verifier.
966         (tree_duplicate_bb): Update histograms.
967         (move_block_to_fn): Update histograms.
969 2006-12-13  Richard Guenther  <rguenther@suse.de>
971         * ipa-inline.c (cgraph_flatten_node): Replace leafify with
972         flatten.
973         (cgraph_decide_inlining): Likewise.
975 2006-12-13  Richard Guenther  <rguenther@suse.de>
977         PR tree-optimization/17687
978         * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
979         New builtins for imaginary argument cexp.
980         * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
981         BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
982         New required builtin types.
983         * builtins.c (expand_builtin_cexpi): Declare.
984         (mathfn_built_in): Handle BUILT_IN_CEXPI.
985         (expand_builtin_cexpi): New static helper.
986         (expand_builtin): Call it.
987         (do_mpfr_sincos): Adjust for CEXPI evaluation.
988         (fold_builtin_sincos): New function to fold sincos to cepxi.
990 2006-12-13  Richard Guenther  <rguenther@suse.de>
992         * ipa-reference.c (scan_for_static_refs): Also scan
993         tcc_comparison class trees.
995 2006-12-12 David Daney  <ddaney@avtrex.com>
997         * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
998         define.
1000 2006-12-12  Andrew Pinski  <pinskia@gmail.com>
1002         * tree-vect-transform.c (vect_permute_load_chain):
1003         Set DECL_GIMPLE_REG_P to true for the vect_perm_*
1004         temp variables.
1006 2006-12-13  Sa Liu  <saliu@de.ibm.com>
1007             Ben Elliston  <bje@au.ibm.com>
1009         * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
1010         (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
1011         * config/spu/spu-protos.h (spu_c_common_override_options):
1012         Declare.
1013         * config/spu/spu-c.c (spu_c_common_override_options): New.
1014         * config/spu/spu.c (spu_override_options): Whitespace fix.
1016 2006-12-12  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1018         * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
1020 2006-12-12  Geoffrey Keating  <geoffk@apple.com>
1022         * mips-tdump.c: Replace CROSS_COMPILE with
1023         CROSS_DIRECTORY_STRUCTURE.
1024         * mips-tfile.c: Likewise.
1025         * gcc.c: Likewise.
1026         * configure.ac: Likewise.
1027         * cppdefault.c: Likewise.
1028         * Makefile.in: Likewise.
1029         * config/alpha/osf.h: Likewise.
1030         * config/i386/cygwin.h: Likewise.
1031         * config/i386/beos-elf.h: Likewise.
1032         * config/i386/nto.h: Likewise.
1033         * config/fr30/fr30.h: Likewise.
1034         * config/svr4.h: Likewise.
1035         * config/rs6000/aix.h: Likewise.
1036         * config/rs6000/sysv4.h: Likewise.
1037         * config/pa/pa64-hpux.h: Likewise.
1038         * config/pa/pa-hpux10.h: Likewise.
1039         * config/pa/pa-hpux11.h: Likewise.
1040         * collect2.c: Likewise.
1041         * configure: Regenerate.
1043         * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
1044         actually takes an unsigned HOST_WIDE_INT for its second parameter.
1046 2006-12-13  Ulrich Weigand  <uweigand@de.ibm.com>
1048         * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
1049         (spu_encode_section_info): New.
1050         * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
1051         (SYMBOL_FLAG_ALIGN1): New.
1053 2006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1055         PR tree-opt/28624
1056         * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
1057         bitmap for EXECUTE_IF_SET_IN_BITMAP.
1059 2006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1061         PR tree-opt/28436
1062         * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
1063         (DECL_GIMPLE_REG_P): This.
1064         * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
1065         using BIT_FIELD_REF.
1066         * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
1067         * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
1068         and check for VECTOR_TYPE.
1069         * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
1070         vector types.
1071         * tree-flow-inline.h (var_can_have_subvars): Use the renamed
1072         DECL_GIMPLE_REG_P.
1073         * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
1074         and check for VECTOR_TYPE.
1075         (gimplify_bind_expr): Likewise.
1076         (gimplify_function_tree): Likewise.
1077         * expmed.c: Include target.h.
1078         (extract_bit_field): For vector mode, try find a better mode first.
1079         If that fails use gen_lowpart (for vectors only).
1080         * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
1081         and check for VECTOR_TYPE.
1082         * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
1083         (insert_into_preds_of_block): Likewise.
1084         (insert_fake_stores): Create gimple register store_tmps for
1085         vector types.
1086         * tree-sra.c (sra_elt): New field, is_vector_lhs.
1087         (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
1088         are the left hand side, set the element's is_vector_lhs to true.
1089         (instantiate_element): For vector types which were on the left
1090         hand size, set DECL_GIMPLE_REG_P to false.
1091         * tree-nested.c (create_tmp_var_for): Use the renamed
1092         DECL_GIMPLE_REG_P.
1093         * tree-inline.c (declare_return_variable):  Use the renamed
1094         DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
1095         (copy_decl_to_var):  Use the renamed DECL_GIMPLE_REG_P.
1096         (copy_result_decl_to_var): Likewise.
1097         * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
1098         create a gimple register variable.
1099         (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
1100         vect_inter_* temp variables.
1101         * Makefile.in (expmed.o): Update dependencies.
1103 2006-12-12  Peter Bergner  <bergner@vnet.ibm.com>
1105         * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
1106         the offset == 0 "then" clauses.
1107         * config/rs6000/predicates.md (gpc_reg_operand): Check for
1108         reload_in_progress.
1110 2006-12-12  Marcin Dalecki  <martin@dalecki.de>
1112         * doc/passes.texi: remove docs about "redundant PHI removal".
1113         * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
1114         remove redundant pass_partition_blocks declaration.
1116 2006-12-12  Andrew Macleod  <amacleod@redhat.com>
1118         PR tree-optimization/30159
1119         * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
1120         functions in case a default_def coalesce is required.
1122 2006-12-12  Jakub Jelinek  <jakub@redhat.com>
1124         PR libstdc++/11953
1125         * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
1127         * config/ia64/linux.h (CPP_SPEC): Define.
1128         * config/s390/linux.h (CPP_SPEC): Define.
1130 2006-12-12  Jim Wilson  <wilson@specifix.com>
1131             Jakub Jelinek  <jakub@redhat.com>
1133         PR rtl-optimization/27761
1134         * combine.c (try_combine): Don't create a useless garbage SET
1135         if PATTERN (i2) is a PARALLEL.  If added_sets_1, save
1136         PATTERN (i1) resp. SET from i1src to i1dest in i1pat
1137         and use it to prevent accidental modification of i1src.
1139 2006-12-12  Ira Rosen  <irar@il.ibm.com>
1141         * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
1142         for stores with gaps.
1143         * tree-vect-transform.c (vect_permute_store_chain): Create
1144         interleave_high or interleave_low according to the endianess.
1146 2006-12-12  Richard Guenther  <rguenther@suse.de>
1148         PR middle-end/30147
1149         * fold-const.c (fold_read_from_constant_string): Only fold read
1150         from constant string if the result type is integer.
1152 2006-12-12  Olivier Hainque  <hainque@adacore.com>
1154         * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
1156 2006-12-12  Olivier Hainque  <hainque@adacore.com>
1158         * config/vxlib.c: Extract tls related routines into ...
1159         * config/vxlib-tls.c: New file.
1160         * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
1162 2006-12-12  Sa Liu  <saliu@de.ibm.com>
1163             Ben Elliston  <bje@au.ibm.com>
1165         * config/spu/spu.opt (mfixed-range): New option.
1166         * config/spu/spu.h (spu_fixed_range_string): Declare.
1167         * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
1168         (fix_range): New function.
1169         * doc/invoke.texi (SPU Options): Document -mfixed-range.
1170         * testsuite/gcc.target/spu/fixed-range.c: New.
1171         * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
1173 2006-12-11  H.J. Lu  <hongjiu.lu@intel.com>
1175         PR middle-end/17982
1176         PR middle-end/20218
1177         * cgraphunit.c (cgraph_optimize): Remove call to
1178         process_pending_assemble_externals.
1180         * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
1182         * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
1184         * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
1185         (ia64_hpux_add_extern_decl): Removed.
1186         (ia64_hpux_file_end): Likewise.
1187         (extern_func_list): Likewise.
1188         (extern_func_head): Likewise.
1190         * output.h (assemble_external): Update comments.
1191         (default_elf_asm_output_external): New.
1192         (maybe_assemble_visibility): New.
1194         * toplev.c (compile_file): Update comment.
1196         * varasm.c (assemble_external): Always put it on
1197         pending_assemble_externals.
1198         (maybe_assemble_visibility): Make it extern and return int.
1199         (default_elf_asm_output_external): New.
1201 2006-12-11  Daniel Berlin  <dberlin@dberlin.org>
1203         * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
1204         can't handle the pointer arithmetic.
1206 2006-12-11  Diego Novillo  <dnovillo@redhat.com>
1208         * doc/tree-ssa.texi: Update documentation for virtual operands
1209         and the use of push_stmt_changes/pop_stmt_changes.
1210         * doc/invoke.texi: Remove documentation for params
1211         global-var-threshold.
1212         Update documentation on max-aliased-vops.
1214         * tree-into-ssa.c: Cleanup comments, variables and
1215         spacing in various functions.
1216         (regs_to_rename): Declare.
1217         (mem_syms_to_rename): Declare.
1218         (dump_update_ssa): Declare.
1219         (debug_update_ssa): Declare.
1220         (dump_names_replaced_by): Declare.
1221         (debug_names_replaced_by): Declare.
1222         (dump_def_blocks): Declare.
1223         (debug_def_blocks): Declare.
1224         (dump_defs_stack): Declare.
1225         (debug_defs_stack): Declare.
1226         (dump_currdefs): Declare.
1227         (debug_currdefs): Declare.
1228         (mark_def_sites): Do not handle virtual operands.
1229         (compute_idf): Rename from find_idf.  Update users.
1230         (register_new_def): Make local.  Convert second argument
1231         to 'tree'.
1232         Use BLOCK_DEFS_STACK directly.
1233         If pushing a non-register, also push the underlying
1234         symbol.
1235         (rewrite_stmt): Do not handle virtual operands.
1236         (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
1237         dump_currdefs and dump_tree_ssa_stats.
1238         (dump_tree_ssa_stats): Also dump REPL_TBL.
1239         (replace_use): Remove.  Update all users to call SET_USE
1240         instead.
1241         (rewrite_blocks): Move code to free memory to
1242         fini_ssa_renamer.
1243         (mark_def_site_blocks): Move initialization code to
1244         init_ssa_renamer.
1245         (init_ssa_renamer): New.
1246         (fini_ssa_renamer): New.
1247         (rewrite_into_ssa): Call them.
1248         (prepare_block_for_update): Process SSA_OP_ALL_USES first
1249         and SSA_OP_ALL_DEFS later.  Do not process virtual
1250         operands separately.
1251         (dump_update_ssa): Call dump_decl_set.
1252         (init_update_ssa): Initialize regs_to_rename and
1253         mem_syms_to_rename.
1254         Call init_ssa_renamer.
1255         (delete_update_ssa): Call fini_ssa_renamer.
1256         Free blocks_with_phis_to_rewrite.
1257         (mark_sym_for_renaming): If the variable has
1258         sub-variables, also mark them.
1259         If the variable belongs to a partition, also mark it.
1260         (mark_set_for_renaming): Call mark_sym_for_renaming on
1261         every symbol in the set.
1262         (switch_virtuals_to_full_rewrite): Call
1263         mark_set_for_renaming.
1264         (update_ssa): Separate syms_to_rename into regs_to_rename
1265         and mem_syms_to_rename.
1267         * tree-dump.c (dump_options): Add TDF_MEMSYMS.
1268         * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
1269         (debug_generic_stmt): Likewise.
1270         (debug_tree_chain): Likewise.
1271         (dump_symbols): New.
1272         (dump_generic_node): Check for TDF_MEMSYMS.
1273         Handle MEMORY_PARTITION_TAG.
1274         If the statement references memory and TDF_MEMSYMS is
1275         given, call dump_symbols.
1276         Indicate default names with (D).
1277         (dump_vops): Update for new virtual operator format.
1279         * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
1280         tree_contains_struct.
1281         (tree_code_size): Handle MEMORY_PARTITION_TAG.
1282         (tree_node_structure): Likewise.
1283         (needs_to_live_in_memory): Handle SSA names.
1284         * tree.h (MTAG_P): Likewise.
1285         (struct tree_memory_partition_tag): Declare.
1286         (MPT_SYMBOLS): Define.
1287         (union tree_node): Add field 'mpt'.
1288         * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1289         * tree.def (MEMORY_PARTITION_TAG): Define.
1291         * tree-pass.h (TDF_MEMSYMS): Define.
1293         * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1295         * tree-ssa-alias.c: Include pointer-set.h
1296         (struct alias_map_d): Remove fields total_alias_vops,
1297         grouped_p and may_aliases.  Update all users.
1298         (struct mp_info_def): Declare.
1299         (mp_info_t): New type.
1300         (get_smt_for): Rename from get_tmt_for.  Update all
1301         users.
1302         (add_may_alias): Add argument ALREADY_ADDED.  If given,
1303         use it to avoid adding duplicate entries to alias sets.
1304         (replace_may_alias): Remove.  Update all users.
1305         (total_alias_vops_cmp): Remove.  Update all users.
1306         (group_aliases_into): Remove.  Update all users.
1307         (tree_pointer_compare): Remove.  Update all users.
1308         (compact_name_tags): Remove.  Update all users.
1309         (group_aliases): Remove.  Update all users.
1310         (mark_non_addressable): Move from tree-flow-inline.h.
1311         Remove the symbol from the partition holding it, if
1312         needed.
1313         (dump_mp_info): New.
1314         (debug_mp_info): New.
1315         (sort_mp_info): New.
1316         (create_partition_for): New.
1317         (rewrite_alias_set_for): New.
1318         (compute_memory_partitions): New.
1319         (compute_may_aliases): Call it.
1320         (init_alias_info): If computing aliases for the first
1321         time, mark every memory symbol for renaming.
1322         (have_common_aliases_p): New.
1323         (compute_flow_insensitive_aliasing): Call it.
1324         (setup_pointers_and_addressables): Do not cache
1325         num_referenced_vars.
1326         For register promoted symbols, mark their former
1327         partition for renaming.
1328         (maybe_create_global_var): Only create .GLOBAL_VAR if
1329         there are no call-clobbered variables and a mix of pure
1330         and non-pure functions were found.
1331         (may_alias_p): Tidy comments.
1332         (create_tag_raw): Remove unused variable new_type.
1333         (dump_alias_info): call dump_memory_partitions.
1334         (dump_points_to_info_for): Call dump_decl_set.
1335         (may_be_aliased): Tidy comments and formatting.
1337         * timevar.def (TV_MEMORY_PARTITIONING): Define.
1338         * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1339         vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
1340         versions in it.
1341         (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1342         * tree-vect-transform.c (vect_transform_loop): Call
1343         mark_set_for_renaming with vect_memsyms_to_rename.
1344         * tree-flow-inline.h (zero_imm_uses_p): New.
1345         (memory_partition): New.
1346         (set_memory_partition): New.
1347         (factoring_name_p): New.
1348         (symbol_mem_tag): New.  Update every function that used
1349         to access the annotation directly.
1350         (set_symbol_mem_tag): Likewise.
1352         * tree-ssa-copy.c (may_propagate_copy): Allow copies
1353         between a partition and a symbol as long as the symbol
1354         belongs to the partition.
1355         (merge_alias_info): Ignore merge requests when memory
1356         partitions are involved.
1358         * tree-ssa.c (verify_ssa_name): Check that default
1359         definitions have empty defining statements.
1360         (verify_use): Remove argument IS_VIRTUAL.
1361         Don't call verify_ssa_name.
1362         (verify_phi_args): Call verify_ssa_name.
1363         (verify_flow_insensitive_alias_info): Handle MPTs.
1364         (verify_flow_sensitive_alias_info): Likewise.
1365         (verify_name_tags): Likewise.
1366         (verify_call_clobbering): Likewise.
1367         (verify_ssa): Check for VOPs only after aliasing
1368         information is available.
1369         Check virtuals and real operands separately.
1370         Call verify_ssa_name on every operand.
1371         (stmt_references_memory_p): Move to tree-ssa-operands.c.
1372         (walk_use_def_chains_1): Guard against NULL PHI
1373         arguments.
1375         * tree-ssa-operands.c (stmt_references_memory_p): Move from
1376         tree-ssa.c.
1377         (get_mpt_for): New.
1378         (dump_memory_partitions): New.
1379         (debug_memory_partitions): New.
1381         * tree-flow.h (struct var_ann_d): Add field mpt.
1382         (struct stmt_ann_d): Add bitfield references_memory.
1383         * Makefile.in (tree-ssa-structalias.o): Include
1384         pointer-set.h
1385         (tree-ssa-alias.o): Likewise.
1386         * tree-ssa-structalias.c: (update_alias_info): Use
1387         STORED_SYMS to determine which variables are being
1388         written to by the store operation.
1389         * tree-ssa-structalias.h (struct alias_info)
1390         <total_alias_vops>: Remove.  Update all users.
1391         <written_vars>: Change to a pointer set.  Update all
1392         users.
1393         <dereferenced_ptrs_store>: Likewise.
1394         <dereferenced_ptrs_load>: Likewise.
1395         (NUM_REFERENCES): Remove.  Update all users.
1396         (NUM_REFERENCES_CLEAR): Remove.  Update all users.
1397         (NUM_REFERENCES_INC): Remove.  Update all users.
1398         (NUM_REFERENCES_SET): Remove.  Update all users.
1400         * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1401         Update all users.
1402         (PARAM_MAX_ALIASED_VOPS): Set to 10.
1403         * tree-ssanames.c (make_ssa_name): Initialize
1404         SSA_NAME_IS_DEFAULT_DEF to 0.
1406 2006-12-11  Aldy Hernandez  <aldyh@redhat.com>
1408         * tree-ssa-dse.c (aggregate_vardecl_d): New.
1409         (dse_global_data): Add aggregate_vardecl field.
1410         (dse_possible_dead_store_p): New.
1411         Add prev_defvar variable.
1412         Allow immediate uses and previous immediate uses to differ
1413         if they are setting different parts of the whole.
1414         (get_aggregate_vardecl): New.
1415         (dse_record_partial_aggregate_store): New.
1416         (dse_whole_aggregate_clobbered_p): New.
1417         (dse_partial_kill_p): New.
1418         (dse_optimize_stmt): Abstract code checking a possible dead store
1419         into new function dse_possible_dead_store_p().
1420         Call dse_maybe_record_aggregate_store().
1421         When checking whether a STMT and its USE_STMT refer to the
1422         same memory address, check also for partial kills that clobber
1423         the whole.
1424         Move some variable definitions to the block where they are used.
1425         (aggregate_vardecl_hash): New.
1426         (aggregate_vardecl_eq): New.
1427         (aggregate_vardecl_free): New.
1428         (aggregate_whole_store_p): New.
1429         (tree_ssa_dse): Initialize and free aggregate_vardecl.
1430         Mark which aggregate stores we care about.
1432 2006-12-11  Andrew Macleod  <amacleod@redhat.com>
1434         * tree-ssa-operands.h (struct vuse_element_d): Declare.
1435         (vuse_element_t): Declare.
1436         (struct vuse_vec_d): Declare.
1437         (vuse_vec_p): Declare.
1438         (VUSE_VECT_NUM_ELEM): Define.
1439         (VUSE_VECT_ELEMENT_NC): Define.
1440         (VUSE_ELEMENT_PTR_NC): Define.
1441         (VUSE_ELEMENT_VAR_NC): Define.
1442         (VUSE_VECT_ELEMENT): Define.
1443         (VUSE_ELEMENT_PTR): Define.
1444         (VUSE_ELEMENT_VAR): Define.
1445         (struct maydef_optype_d) <use_var>: Remove.
1446         <use_ptr>: Remove.
1447         <usev>: Add.
1448         (struct vuse_optype_d) <kill_var>: Remove.
1449         <use_ptr>: Remove.
1450         <usev>: Add.
1451         (struct mustdef_optype_d) <kill_var>: Remove.
1452         <use_ptr>: Remove.
1453         <usev>: Add.
1454         (VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
1455         (VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
1456         (VUSE_NUM): Define.
1457         (VUSE_VECT): Define.
1458         (MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
1459         (MAYDEF_OP): Add argument.  Use VUSE_OP.
1460         (MAYDEF_NUM): Define.
1461         (MAYDEF_VECT): Define.
1462         (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1463         (MUSTDEF_KILL): Use VUSE_OP.
1464         (MUSTDEF_NUM): Define.
1465         (MUSTDEF_VECT): Define.
1466         (realloc_maydef): Declare.
1467         (realloc_vuse): Declare.
1468         (struct ssa_operand_iterator_d) <vuse_index>: Add.
1469         <mayuse_index>: Add.
1470         (LOADED_SYMS): Define.
1471         (STORED_SYMS): Define.
1472         (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1473         * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1474         operators.
1475         * tree-pretty-print.c: Likewise.
1476         * tree-ssa-dse.c: Likewise.
1477         * tree-flow-inline.h: Likewise.
1478         (op_iter_next_mustdef): New.
1479         * tree-ssa-operands.c: Likewise.
1480         (ALLOC_OPTYPE): Remove.
1481         Update all users.
1482         (alloc_def): New.
1483         (alloc_use): New.
1484         (alloc_maydef): New.
1485         (alloc_vuse): New.
1486         (alloc_mustdef): New.
1487         (realloc_maydef): New.
1488         (realloc_vuse): New.
1490 2006-12-11  Aldy Hernandez  <aldyh@redhat.com>
1492         * tree-ssa-operands.c: Remove build_v_must_defs.
1493         (init_ssa_operands): Delete build_v_must_defs.
1494         (finalize_ssa_v_must_def_ops): Remove.
1495         (finalize_ssa_v_must_defs): Remove.
1496         (finalize_ssa_stmt_operands): Do not call
1497         finalize_ssa_v_must_defs.
1498         (start_ssa_stmt_operands): Do not check build_v_must_defs.
1499         (append_v_must_def): Delete.
1500         (copy_virtual_operands): Do not copy V_MUST_DEFs.
1501         (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1502         comment.  Remove opf_kill_def.
1503         (build_ssa_operands): Remove references to v_must_defs.
1504         (copy_virtual_operands): Same.
1505         (copy_virtual_operands): Same.
1506         (fini_ssa_operands): Same.
1507         (free_ssa_operands): Same.
1508         (add_mustdef_op): Remove.
1509         Remove mustdef_optype_p.
1510         (alloc_mustdef): Remove.
1511         Remove references to V_MUST_DEFs in comment at top of file.
1512         (get_expr_operands): Remove opf_kill_def.
1513         (opf_kill_def): Remove.
1514         (add_virtual_operand): Remove opf_kill_def.
1515         (get_indirect_ref_operands): Same.
1516         (get_tmr_operands): Same.
1518         * tree-vectorizer.c (rename_variables_in_bb): Remove
1519         SSA_OP_ALL_KILLS.
1521         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1522         SSA_OP_ALL_KILLS.
1523         (check_loop_closed_ssa_stmt): Same.
1525         * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1526         (verify_use): Same.
1527         (verify_ssa): Remove V_MUST_DEFs traces.
1528         (verify_ssa): Remove SSA_OP_ALL_KILLS.
1530         * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1531         SSA_OP_VMAYDEF.
1532         (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1533         (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1535         * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1536         references.
1537         (MUSTDEF_OPS): Remove.
1538         (SSA_OP_VMUSTDEF): Remove.
1539         (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1540         (struct mustdef_optype_d): Remove.
1541         Remove mustdef_optype_p.
1542         (struct stmt_operands_d): Remove mustdef_ops.
1543         (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1544         (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1545         (MUSTDEF_RESULT_PTR): Remove.
1546         (MUSTDEF_RESULT): Remove.
1547         (MUSTDEF_KILL_PTR): Remove.
1548         (MUSTDEF_KILL): Remove.
1549         (MUSTDEF_NUM): Remove.
1550         (MUSTDEF_VECT): Remove.
1551         (SSA_OP_VIRTUAL_KILLS): Remove.
1552         (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1553         (SSA_OP_VMUSTKILL): Remove.
1554         (SSA_OP_ALL_KILLS): Remove.
1555         (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1557         * tree-flow-inline.h (op_iter_init_def): Remove
1558         SSA_OP_VIRTUAL_KILLS.
1559         (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1561         * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1562         SSA_OP_VIRTUAL_KILLS.
1564         * tree-ssa-loop-im.c (determine_max_movement): Remove
1565         SSA_OP_VIRTUAL_KILLS.
1566         (gather_mem_refs_stmt): Same.
1567         (gather_mem_refs_stmt): Same.
1569         * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1570         (perform_tree_ssa_dce): Remove call to
1571         mark_really_necessary_kill_operand_phis.
1573         * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1574         and mustkills.
1575         (op_iter_next_use): Do not check mustkills.
1576         (op_iter_next_def): Do not check mustdefs.
1577         (op_iter_next_tree): Do not check mustkills or mustdefs.
1578         (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1579         (op_iter_next_maymustdef): Do not check mustkills.
1580         (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1581         (op_iter_init_mustdef): Remove.
1583         * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1584         SSA_OP_VMAYDEF.
1586         * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1588         * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1589         (visit_assignment): Same.
1591         * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1593         * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1595         * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1597         * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1598         Remove kill_p variable.
1600         * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1601         (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1602         (collect_dfa_stats_r): Do not set num_v_must_defs.
1603         (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1604         code.
1606         * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1607         SSA_OP_VMAYUSE.
1609         * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1610         SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1612         * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1613         SSA_OP_VMUSTDEF.
1615 2006-12-11  Zdenek Dvorak <dvorakz@suse.cz>
1617         PR rtl-optimization/30113
1618         * loop-iv.c (implies_p): Require the mode of the operands to be
1619         scalar.
1621 2006-12-11  Diego Novillo  <dnovillo@redhat.com>
1623         * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1624         Rename from create_ssa_artficial_load_stmt.  Update all users.
1625         * tree-into-ssa.c (register_new_def): Make static.
1626         * tree.c (is_global_var): Handle SSA_NAMEs.
1627         * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
1628         that used to call gimple_default_def.
1629         * tree-ssa-operands.c (push_stmt_changes): New.
1630         (pop_stmt_changes): New.  Update every pass that modifies
1631         statements to bracket modifications with
1632         push_stmt_changes/pop_stmt_changes.
1633         (discard_stmt_changes): New.
1634         * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1635         'tree *' instead of 'tree'.  Update all users.
1636         * tree-flow-inline.h (zero_imm_uses_p): New.
1637         (symbol_mem_tag): New.  Update every function that used
1638         to access the annotation directly.
1639         (set_symbol_mem_tag): Likewise.
1640         * tree-dfa.c (dump_variable): Always show the escape mask.
1641         (mark_symbols_for_renaming): Rename from
1642         mark_new_vars_to_rename.  Update all users.
1643         Only mark to rename naked symbols in real and virtual
1644         operands.
1646 2006-12-11  Andreas Schwab  <schwab@suse.de>
1648         * varasm.c (elf_record_gcc_switches): Cast second argument of
1649         ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1651 2006-12-11  Diego Novillo  <dnovillo@redhat.com>
1653         * tree-scalar-evolution.c (scev_const_prop):
1654         * tree-phinodes.c (remove_phi_node): Add argument
1655         RELEASE_LHS_P.  If given, release the SSA name on the LHS of
1656         the PHI node.
1657         Update all users.
1658         * tree-ssa-dce.c: Remove forward declarations for static
1659         functions.  Re-arrange functions bodies as needed.
1660         (find_obviously_necessary_stmts): Never mark PHI nodes as
1661         obviously necessary.
1663 2006-12-11  Carlos O'Donell  <carlos@codesourcery.com>
1665         * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1667 2006-12-11  Jan Hubicka  <jh@suse.cz>
1669         * value-prof.c (tree_stringops_transform): New.
1670         (tree_value_profile_transformations): Require count to be non-zero;
1671         call stringop transform; reset stmt BSI after BB changed.
1672         (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1673         (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1674         (tree_stringops_values_to_profile): New.
1675         (tree_values_to_profile): Call tree_stringops_values_to_profile.
1676         * tree.h (build_string_literal): Tidy prototype.
1677         (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1678         Declare.
1679         * builtins.c (validate_arglist, builtin_memset_read_str,
1680         get_pointer_alignment): Export.
1682 2006-12-11  Uros Bizjak  <ubizjak@gmail.com>
1684         PR target/30120
1685         Revert:
1686         2006-11-15  Uros Bizjak  <ubizjak@gmail.com>
1688         * config/i386/i386.opt: New target option -mx87regparm.
1690         * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1691         float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1692         (X87_REGPARM_MAX): Define.
1694         * config/i386/i386.c (override_options): Error out for
1695         -mx87regparm but no 80387 support.
1696         (ix86_attribute_table): Add x87regparm.
1697         (ix86_handle_cconv_attribute): Update comments for x87regparm.
1698         (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1699         (ix86_function_x87regparm): New function.
1700         (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1701         point registers.
1702         (init_cumulative_args): Initialize x87_nregs and float_in_x87
1703         variables.
1704         (function_arg_advance): Process x87_nregs and x87_regno when
1705         floating point argument is to be passed in 80387 register.
1706         (function_arg): Pass XFmode arguments in 80387 registers for local
1707         functions.  Pass SFmode and DFmode arguments to local functions
1708         in 80387 registers when flag_unsafe_math_optimizations is set.
1710         * reg-stack.c (convert_regs_entry): Disable NaN load for
1711         stack registers that are used for argument passing.
1713         * doc/extend.texi: Document x87regparm function attribute.
1714         * doc/invoke.texi: Document -mx87regparm.
1716 2006-12-11  Jan Hubicka  <jh@suse.cz>
1718         Move all varpool routines out of cgraph/cgraphunit to varpool.c
1719         * cgraph.c: Update comments.
1720         (cgraph_varpool_hash,
1721         cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1722         cgraph_varpool_node_name, cgraph_varpool_node,
1723         cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1724         cgraph_variable_initializer_availability): Move to
1725         varpool.c and drop cgraph_ prefixes.
1726         (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1727         cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1728         move to varpool.c; drop cgraph_ prefix; make static.
1729         (dump_cgraph_varpool_node): Move to varpool.c under name
1730         dump_varpool_node.
1731         (dump_varpool, hash_varpool_node, eq_varpool_node,
1732         decide_is_variable_needed): Move to varpool.c
1733         (decl_assembler_name_equal): Move to tree.c.
1734         (availability_names): Rename to ...
1735         (cgraph_availability_names): ... this one.
1736         (dump_cgraph_node): Update.
1737         * cgraph.h: Reorder declarations now in varpool.c
1738         (cgraph_vailablity_names): Declare.
1739         (struct cgraph_varpool_node): Rename to ...
1740         (struct varpool_node): ... this one.
1741         (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1742         cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1743         cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1744         cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1745         cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1746         cgraph_variable_initializer_availability): Rename to ...
1747         (varpool_first_unanalyzed_node, varpool_nodes_queue,
1748         varpool_first_unanalyzed_node, varpool_node,
1749         varpool_node_for_asm, varpool_mark_needed_node,
1750         varpool_finalize_decl, varpool_enqueue_needed_node,
1751         varpool_assemble_pending_decls, variable_initializer_availability):
1752         Rename to ...
1753         * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1754         * tree.h (decl_assembler_name_equal): Declare.
1755         * omp-low.c (lower_omp_critical): Update.
1756         * ipa-reference (analyze_variable, static_execute): Likewise.
1757         * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1758         * cgraphunit.c: Update comments.
1759         (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1760         varpool_assembled_nodes_queue.
1761         (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1762         varpool_analyze_pending_decls.
1763         (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1764         varpool_remove_unreferenced_decls.
1765         (record_reference): Update.
1766         (cgraph_create_edges): Update.
1767         (record_referneces_in_initializer): New function.
1768         (cgraph_varpool_assemble_decl): Move to varpool.c under name
1769         varpool_assemble_decl; make global.
1770         (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1771         varpool_assemble_pending_decls.
1772         (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1773         struct cgraph_order_sort, cgraph_output_in_order,
1774         cgraph_function_and_variable_invisibility, cgraph_optimize,
1775         cgraph_increase_alignment): Update.
1776         * dwarf2out.c (decls_for_scope): Likewise.
1777         * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1778         * except.c (output_ttype): Likewise.
1779         * varasm.c (mark_decl_referenced): Likewise.
1780         (find_decl_and_mark_referenced, assemble_alias): update.
1781         * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1782         * passes.c (rest_of_decl_compilation): Update.
1784 2006-12-11  Ira Rosen  <irar@il.ibm.com>
1786         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1787         GIMPLE_STMT_OPERAND.
1788         * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1789         (vect_setup_realignment): Likewise.
1791 2006-12-11  Sa Liu  <saliu@de.ibm.com>
1792             Ben Elliston  <bje@au.ibm.com>
1794         * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1795         (ENDFILE_SPEC): Likewise.
1796         * config/spu/spu.opt (mstdmain): New option.
1797         * config/spu/crti.asm: Remove.
1798         * config/spu/crtn.asm: Likewise.
1799         * config/spu/crt0.c: Likewise.
1800         * config/spu/crtend.c: Likewise.
1801         * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1802         listed above.
1803         ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1804         * doc/invoke.texi (SPU Options): Document -mstdmain.
1806 2006-12-10  Zdenek Dvorak <dvorakz@suse.cz>
1808         * doc/loop.texi: Document number_of_latch_executions and
1809         number_of_cond_exit_executions.
1810         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1811         chrec_is_positive, number_of_iterations_for_all_loops,
1812         scev_const_prop): Use number_of_latch_executions.
1813         (set_nb_iterations_in_loop): Do not increase the value of the
1814         number of iterations.
1815         (number_of_iterations_in_loop): Renamed to ...
1816         (number_of_latch_executions): ... this.
1817         (number_of_exit_cond_executions): New function.
1818         * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1819         removed.
1820         (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1821         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1822         number_of_latch_executions.
1823         * tree-data-ref.c (get_number_of_iters_for_loop): Use
1824         number_of_exit_cond_executions.
1825         * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1826         * cfgloop.h (struct loop): Improve description of the nb_iterations
1827         field.
1829 2006-12-10  Daniel Berlin  <dberlin@dberlin.org>
1831         * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1832         (tree_pointer_compare): Remove.
1834 2006-12-10  Zdenek Dvorak <dvorakz@suse.cz>
1836         * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1837         * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1838         * tree-loop-linear.c (linear_transform_loops): Ditto.
1839         * tree-ssa-loop-im.c (determine_lsm): Ditto.
1840         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1841         free_numbers_of_iterations_estimates): Ditto.
1842         * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1843         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1844         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1845         * modulo-sched.c (sms_schedule): Ditto.
1846         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1847         tree_unroll_loops_completely): Ditto.
1848         * predict.c (predict_loops): Ditto.
1849         * tree-if-conv.c (main_tree_if_conversion): Ditto.
1850         * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1851         decide_unrolling_and_peeling): Ditto.
1852         * cfgloopmanip.c (unloop): Use delete_loop.
1853         (place_new_loop): Access larray vector instead of parray.
1854         (create_preheaders, force_single_succ_latches,
1855         fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1856         * loop-doloop.c (doloop_optimize_loops): Ditto.
1857         * loop-invariant.c (move_loop_invariants): Ditto.
1858         * tree-cfg.c (replace_uses_by): Ditto.
1859         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1860         * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1861         Moved to ...
1862         * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1863         ... here.
1864         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1865         compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1866         get_loop and get_chrec_loop.
1867         (number_of_iterations_for_all_loops): Use number_of_loops.
1868         (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1869         * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1870         * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1871         and FOR_EACH_LOOP.
1872         * tree-chrec.c (evolution_function_is_invariant_rec_p,
1873         chrec_convert_1): Use get_loop and get_chrec_loop.
1874         * loop-init.c (loop_optimizer_init): Use number_of_loops.
1875         (loop_optimizer_init): Use FOR_EACH_LOOP.
1876         * tree-vectorizer.c (vect_loops_num): Removed.
1877         (vectorize_loops): Store number of loops locally.  Use
1878         FOR_EACH_LOOP and get_loop.
1879         * tree-vectorizer.h (vect_loops_num): Removed.
1880         * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1881         (find_data_references_in_loop): Do not set parallel_p.
1882         * tree-data-ref.h: Do not declare VEC(loop_p).
1883         * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1884         verify_loop_structure): Use FOR_EACH_LOOP.
1885         (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1886         (initialize_loops_parallel_p): Removed.
1887         (flow_loops_find): Push the loops into a vector.
1888         (delete_loop): New function.
1889         (cancel_loop): Use delete_loop.
1890         * cfgloop.h: Declare VEC(loop_p).
1891         (struct loop): Remove parallel_p field.
1892         (struct loops): Replace num and parray field by larray vector.
1893         Remove shared_headers field.
1894         (delete_loop): Declare.
1895         (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1896         FOR_EACH_LOOP): New.
1897         * doc/loop.tex: Document new accessor functions.
1899 2006-12-10  Andrew MacLeod  <amacleod@redhat.com>
1901         * common.opt (-ftree-lrs): Remove live range splitting option.
1902         * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1903         * opts.c (decode_options): Remove flag_tree_live_range_split.
1904         * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1905         * tree-flow-inline.h (single_imm_use_p): New.  Check for single use.
1906         * tree-outof-ssa.c: Remove header files which aren't needed.
1907         (SSANORM_*): Remove flags.
1908         (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1909         coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1910         (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1911         (assign_vars): Use Basevar instead of root_var structure.
1912         (replace_def_variable): Dont do anything if def is replaceable.
1913         (remove_ssa_form): Integrate functional changes.
1914         (rewrite_out_of_ssa): Remove live-range_split option.
1915         * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1916         (coalesce_cost): Calculate the cost of a coalesce.
1917         (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1918         (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1919         (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1920         (pop_best_coalesce): Remove the best coalesce from the list.
1921         (coalesce_pair_map_hash): Calculate coalesce pair hash.
1922         (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1923         (create_coalesce_list): Create a coalesce list object.
1924         (delete_coalesce_list): Free a coalesce list object.
1925         (find_coalesce_pair): Find matching pair in the coalesce list.
1926         (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1927         (add_coalesce): Add a coalesce to the coalesce list.
1928         (compare_pairs): Comparision function to determine pair sorted order.
1929         (num_coalesce_pairs): Number of coalesced pairs.
1930         (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1931         Coalesce pair iterator functions.
1932         (sort_coalesce_list): Sort coalesce pairs in order of expense.
1933         (dump_coalesce_list): Show coalesce list.
1934         (ssa_conflicts_new): Create an SSA conflict graph.
1935         (ssa_conflicts_delete): Delete an SSA conflict graph.
1936         (ssa_conflicts_test_p): Test for conflicts.
1937         (ssa_conflicts_add_one): Add a single conflict.
1938         (ssa_conflicts_add): Add a conflict pair.
1939         (ssa_conflicts_merge): Merge conflicts.
1940         (struct live_track_d): Struct for tracking live partitions.
1941         (new_live_track): Create new live_track object.
1942         (delete_live_track): Delete a live_track object.
1943         (live_track_remove_partition): Remove a partition from the live list.
1944         (live_track_add_partition): Add a partition from the live list.
1945         (live_track_clear_var): Take VAR from the live list.
1946         (live_track_live_p): Is var live?
1947         (live_track_process_use): Make var come alive.
1948         (live_track_process_def): Make var go dead, add conflicts.
1949         (live_track_init): Initialize to a live on exit set.
1950         (live_track_clear_base_vars): Clear live partitions.
1951         (build_ssa_conflict_graph): Build a conflict graph.
1952         (print_exprs): Common debug output routine.
1953         (abnormal_corrupt): Output info about a failed coalesce across an
1954         abnormal edge.
1955         (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1956         (create_outofssa_var_map): Create a var map and coalesce list.
1957         (attempt_coalesce): Coalesce a pair.
1958         (coalesce_partitions): Coalesce all pairs in a coalesce list.
1959         (coalesce_ssa_name): Entry point.  Determine what ssa_names to coalesce.
1960         * tree-ssa-live.c: Remove header files which aren't needed.
1961         (var_map_base_init): New.  Initialize a basevar list.
1962         (var_map_base_fini): New.  Finish a basevar list.
1963         (init_var_map): Initialize new fields.
1964         (delete_var_map): Free new fields.
1965         (var_union): Use renamed fields.
1966         (compact_var_map): Remove.
1967         (partition_to_view_init): Use renamed fields, change order of an if.
1968         (partition_view_fini): Use renamed fields.
1969         (partition_view_normal): Create basevar list if requested.
1970         (partition_view_bitmap): Create a view based on a bitmap of partitions.
1971         (change_partition_var): Use renamed fields.
1972         (create_ssa_var_map): Remove.
1973         (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1974         root_var_init): Remove.
1975         (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1976         delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1977         compare_pairs, num_coalesce_pairs, first_partition_pair,
1978         end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1979         pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1980         build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1981         tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1982         (dump_var_map): Use renamed fields.
1983         * tree-ssa-live.h (struct  _var_map): Modify fields.
1984         (partition_to_var, version_to_var, var_to_partition): Use renamed
1985         fields.
1986         (basevar_index): New.  Index of the base variable of a partition.
1987         (num_basevars): New.  Number of unique base variables in partition map.
1988         (register_ssa_partition): Use renamed fields.
1989         (struct tree_partition_associator_d): Remove.
1990         (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1991         tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1992         root_var, root_var_first_partition, root_var_next_partition,
1993         root_var_dump, root_var_delete, root_var_remove_partition,
1994         root_var_find, root_var_compact, root_var_decompact): Remove.
1995         (struct partition_pair, struct coalesce_list_d): Moved to
1996         tree-ssa-coalesce.c
1997         * tree-ssa-ter.c: Remove header files which aren't needed.
1999 2006-12-10  Steven Bosscher  <steven@gcc.gnu.org>
2001         * cse.c: (struct cse_basic_block_data): Remove LAST field.
2002         (struct branch_path): Remove BRANCH and TAKEN fields. Add new
2003         BB field.
2004         (cse_visited_basic_blocks): New static bitmap.
2005         (cse_end_of_basic_block, cse_basic_block): Remove.
2006         (cse_find_path, cse_dump_path, cse_prescan_path,
2007         cse_extended_basic_block): New static functions.
2008         (cse_insn): Don't CSE over setjmp calls.  Use the CFG to find
2009         basic block boundaries.  Don't record jump equivalences here.
2010         Update the CFG after doing in-place replacement of the SET_SRC.
2011         (cse_main): Rewrite.  Look for extended basic block headers
2012         and call cse_extended_basic_block on them until all paths that
2013         start at this header are exhausted.
2014         (rest_of_handle_cse): Verify that the CFG is incrementally updated
2015         and correct after cse_main.
2016         Don't call delete_trivially_dead_insns, let cfgcleanup do that.
2017         (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
2018         (pass_cse): Add TODO_verify_flow.
2019         (pass_cse2): Likewise.
2021 2006-12-10  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2023         * reload1.c (choose_reload_regs): Don't set byte offset when
2024         resolving subregs of hard regs.
2026 2006-12-09  Zack Weinberg  <zackw@panix.com>
2028         * c-opts.c (c_common_parse_file): Unconditionally give a warning,
2029         suitable for the language, if set_yydebug is true.
2030         * c-pragma.h: Define enum pragma_omp_clause here.  Don't define
2031         YYDEBUG or declare yydebug.
2032         * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
2034 2006-12-09  Jan Hubicka  <jh@suse.cz>
2036         * cgraph.c: Update copyright.
2037         * cgraph.h: Likewise
2038         (cgraph_update_pending_function): Remove prototype.
2039         * cgraphunit.c: Update copyright; update overall comment.
2040         (cgraph_assemble_pending_functions): Make local.
2042 2006-12-09  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2044         * haifa-sched.c (schedule_block): Remove excessive sanity check.
2046 2006-12-08  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2048         * config/spu/spu-protos.h (spu_split_immediate): Renamed from
2049         spu_split_address.
2050         (cpat_const_p, gen_cpat_const): Add.
2051         * config/spu/spu.c (immediate_class): New enum.
2052         (cpat_info, classify_immediate): New.
2053         (print_operand): Use S, D, T instead of F, G, H.  Use
2054         classify_immediate.  Handle cpat cases.
2055         (spu_split_immediate):  Renamed from spu_split_address.  Split all
2056         immediates that can be split.
2057         (immediate_load_p): Use classify_immediate.
2058         (spu_legitimate_constant_p): Accept everything except some cases of
2059         CONST_VECTOR.
2060         (spu_expand_move): Use spu_split_immedate.
2061         (fsmbi_const_p): Use classify_immediate.
2062         (cpat_const_p): New.
2063         (gen_cpat_const: New.
2064         * config/spu/constraints.md (j,k,l): New constraints for cpat
2065         instructions.
2066         * config/spu/spu.md (unnamed splitter): Change address splitter to
2067         handle all immediates.
2068         (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
2069         instructions.
2070         (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
2071         when possible.
2073 2006-12-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2075         PR target/30039
2076         * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
2077         patterns.  Correct length of high:DI instruction sequence.
2079 2006-12-08  Mike Stump  <mrs@apple.com>
2081         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
2082         libgcc with -mmacosx-version-min=10.4.
2083         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
2084         G4 for 10.5+ unless doing kernel builds.
2086 2006-12-08  Uros Bizjak  <ubizjak@gmail.com>
2088         PR target/30120
2089         * reg-stack.c (convert_regs_entry): Mark current argument passing
2090         registers as live.
2092         * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
2093         of float arguments in x87 registers.
2095 2006-12-08  John David Anglin  <dave.anglin.@nrc-cnrc.gc.ca>
2097         * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
2099 2006-12-08  Mark Shinwell  <shinwell@codesourcery.com>
2101         * recog.c (mode_dependent_address_p): Identify pre-increment,
2102         pre-decrement, post-increment and post-decrement addressing as always
2103         being mode-dependent.
2104         * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
2105         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2106         * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
2107         * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2108         PRE_INC and POST_INC checks.
2109         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2110         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2111         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2112         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2113         * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2114         PRE_INC, POST_DEC and POST_INC cases.
2115         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
2116         Delete POST_INC and PRE_DEC cases.
2117         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2118         no-op.
2119         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2120         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2121         no-op.
2122         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2123         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2124         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
2125         PRE_INC and PRE_DEC cases.
2126         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2127         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2128         * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2129         (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2130         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2131         * config/vax/vax.c (vax_mode_dependent_address_p): Delete
2132         auto-increment cases.
2133         * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
2134         auto-increment cases.
2135         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2137 2006-12-08  Andrew MacLeod  <amacleod@redhat.com>
2139         * Makefile.in: Add new file tree-ssa-ter.c.
2140         * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
2141         free_temp_expr_table, add_value_to_version_list,
2142         add_value_to_partition_list, remove_value_from_partition_list,
2143         add_dependence, check_replaceable, finish_expr, mark_replaceable,
2144         kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
2145         find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
2146         * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
2147         prototypes.
2148         * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
2149         (struct value_expr_d): Remove.
2150         (struct temp_expr_table_d): Rename fields, add explicit vector of
2151         replaceable expressions instead of sharing.  Change value_expr_p's to
2152         bitmap.  Delete free_list.
2153         (new_temp_expr_table): Rename fields, count number of ssa_names in
2154         each partition.
2155         (free_temp_expr_table): Rename field, free new fields.
2156         (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
2157         add_info_to_list, remove_value_from_list): Delete.
2158         (version_to_be_replaced_p): New.  Is an ssa-name replaceable?
2159         (make_dependent_on_partition): New.  Set bit in version list, allocating
2160         a bitmap if need be.
2161         (add_to_partition_kill_list): New.  Set bit in the partition list,
2162         allocating a bitmap if need be.
2163         (remove_from_partition_kill_list): New.  Remove a bit from the
2164         partition list, free the bitmap if it is empty.
2165         (add_dependence): Use renamed field, cleanup.  Don't add a dependence
2166         on partitions with only one member.
2167         (is_replaceable_p): New.  Split out replaceability check from
2168         check_replaceable.
2169         (process_replaceable): New.  Code split from check_replaceable.
2170         (check_replaceable): Removed.
2171         (finished_with_expr): Renamed from finish_expr.
2172         (kill_expr): Use renamed fields and less parameters.
2173         (kill_virtual_exprs): Less parameters.
2174         (mark_replaceable): Use renamed fields.
2175         (find_replaceable_in_bb): Use renamed fields, cleanup.
2176         (find_replaceable_exprs): Use renamed routines, cleanup.
2177         (dump_replaceable_exprs): Don't go past end of ssa_names list.
2178         (debug_ter): New.  Debug routine to dump state.
2180 2006-12-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2182         * config/bfin/bfin.c (effective_address_32bit_p): Return true for
2183         anything involving the GOT.
2184         (bfin_adjust_cost): Don't take the REGNO of a MEM.
2185         (trapping_loads_p): Look inside the pattern of an insn to find the
2186         SET.
2187         * config/bfin/bfin.md (attr "type"): Add movcc.
2188         (insn_reservation "alu"): Likewise.
2189         (movsicc_insn1, movsicc_insn2): Change type to movcc.
2191 2006-12-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2193         * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
2194         (spu_resolve_overloaded_builtin): Check for non scalar instead
2195         of vector type and check the function call argument type also for
2196         non scalar.
2197         Call build_function_call instead of spu_build_overload_builtin.
2199 2006-12-07  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2201         * config/spu/spu.c (array_to_constant): Correct the order of arguments
2202         to the calls of hwint_to_const_double.
2204 2006-12-07  Nick Clifton  <nickc@redhat.com>
2206         * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
2207         elf_record_gcc_switches.
2209 2006-12-07  Andrew Macleod  <amacleod@redhat.com>
2211         * expr.c (string_constant): Account for non-zero lower bound arrays.
2213 2006-12-07  Richard Guenther  <rguenther@suse.de>
2215         * builtins.c (expand_builtin_pow): Adjust predicates for
2216         pow to cbrt expansion to unsafe math and !HONOR_NANS for
2217         negative base.
2219 2006-12-07  Jan Hubicka  <jh@suse.cz>
2221         * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
2222         codegen.
2224 2006-12-07  Jan Hubicka  <jh@suse.cz>
2226         * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
2227         use fold_constant_to_binary; tolerate wrong type constants.
2228         (value_intersect_p): Do just two tests.
2230 2006-12-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2232         * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
2233         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2234         lshifthi3): Use it, and fix the order of alternatives.
2236 2006-12-07  Nick Clifton  <nickc@redhat.com>
2238         * common.opt (record-gcc-switches): New command line switch.
2239         * target.h (print_switch_type): New enum.
2240         (print_switch_fn_type): New typedef for a function pointer.
2241         (struct gcc_target): Add record_gcc_switches and
2242         record_gcc_switches_section fields.
2243         * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
2244         default definition.
2245         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
2246         definition.
2247         * toplev.c (print_single_switch): Simplify by providing a
2248         pointer to function that will format and output the switch
2249         appropriately.
2250         (print_switch_values): Likewise.
2251         (print_to_asm_out_file): New function.
2252         (print_to_stderr): New function.
2253         (init_asm_output): If flag_record_gcc_switches is set then if
2254         the target supports recording the switches then emit them into
2255         the assembler output file, otherwise tell the user that the
2256         switch is not supported.
2257         * varasm.c (eld_record_gcc_switches): New function.  Example
2258         handler for the record_gcc_switches target hook.
2259         * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
2260         target hook.
2261         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
2262         * doc/invoke.texi (-frecord-gcc-switches): Document.
2264 2006-12-07  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2266         PR target/29794
2267         * sched-rgn.c (add_block1): Use correct initializer.
2269 2006-12-07  Richard Guenther  <rguenther@suse.de>
2271         * tree-vect-transform.c (vectorizable_call): Fix leftover of
2272         TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
2274 2006-12-06  Aldy Hernandez  <aldyh@redhat.com>
2276         PR/30079
2277         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
2278         not GIMPLE_MODIFY_STMT.
2280 2006-12-06  Jan Hubicka  <jh@suse.cz>
2282         * tree-vrp.c (operand_less_p): New.
2283         (compare_values, value_inside_range): Rewrite in terms of
2284         operand_less_p.
2286 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
2288         * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2289         (type): Remove cld.
2290         (length_immediate): Do not depend on cld type attribute.
2291         (length_address): Ditto.
2292         (modrm): Ditto.
2293         (memory): Ditto.
2294         (cld): Remove insn pattern.
2295         (strmov_singleop): Do not use DIRFLAG_REG.
2296         (*strmovdi_rex_1): Ditto.
2297         (*strmovsi_1): Ditto.
2298         (*strmovsi_rex_1): Ditto.
2299         (*strmovhi_1): Ditto.
2300         (*strmovhi_rex_1): Ditto.
2301         (*strmovqi_1): Ditto.
2302         (*strmovqi_rex_1): Ditto.
2303         (rep_mov): Ditto.
2304         (*rep_movdi_rex64): Ditto.
2305         (*rep_movsi): Ditto.
2306         (*rep_movsi_rex64): Ditto.
2307         (*rep_movqi): Ditto.
2308         (*rep_movqi_rex64): Ditto.
2309         (strset_singleop): Ditto.
2310         (*strsetdi_rex_1): Ditto.
2311         (*strsetsi_1): Ditto.
2312         (*strsetsi_rex_1): Ditto.
2313         (*strsethi_1): Ditto.
2314         (*strsethi_rex_1): Ditto.
2315         (*strsetqi_1): Ditto.
2316         (*strsetqi_rex_1): Ditto.
2317         (rep_stos): Ditto.
2318         (*rep_stosdi_rex64): Ditto.
2319         (*rep_stossi): Ditto.
2320         (*rep_stossi_rex64): Ditto.
2321         (*rep_stosqi): Ditto.
2322         (*rep_stosqi_rex64): Ditto.
2323         (cmpstrnsi): Do not generate cld insn.
2324         (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2325         (*cmpstrnqi_nz_1): Ditto.
2326         (*cmpstrnqi_nz_rex_1): Ditto.
2327         (cmpstrnqi_1): Ditto.
2328         (*cmpstrnqi_1): Ditto.
2329         (*cmpstrnqi_rex_1): Ditto.
2330         (strlenqi_1): Ditto.
2331         (*strlenqi_1): Ditto.
2332         (*strlenqi_rex_1): Ditto.
2334         * config/i386/geode.md (shift): Do not depend on cld type attribute.
2335         * config/i386/pentium.md (pent_cld): Remove insn reservation.
2336         * config/i386/athlon.md (athlon_decode): Do not depend on cld
2337         type attribute.
2338         * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2339         * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2340         attribute.
2341         (k6_alux_only_load): Ditto.
2342         (k6_alux_only_store): Ditto.
2344         * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2345         Do not emit cld instruction.
2346         (ix86_expand_setmem): Ditto.
2347         (ix86_expand_strlen): Do not emit cld instruction.
2349 2006-12-06  Bernd Schmidt  <bernd.schmidt@analog.com>
2351         * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2352         old ones.
2354 2006-12-06  Diego Novillo  <dnovillo@redhat.com>
2356         * gdbinit.in: Set complaints to 0.
2358 2006-12-06  Jan Hubicka  <jh@suse.cz>
2360         * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2361         ALONE_MEM_STAT_DECL): New macros.
2362         * bitmap.h: Include statistics.h
2363         (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2364         (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2365         (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2366         * bitmap.c: Include hashtab.h
2367         (bitmap_descriptor): New.
2368         (bitmap_hash): New static variable
2369         (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2370         New static functions.
2371         (bitmap_register): New.
2372         (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2373         bitmap_obstack_release): Do accounting.
2374         (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2375         accounting.
2376         (bitmap_gc_alloc_stat): Likewise.
2377         (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2378         (print_statistics, dump_bitmap_statistics): New functions.
2379         * toplev.c (finalize): Dump bitmap statistics.
2381 2006-12-06  Bernd Schmidt  <bernd.schmidt@analog.com>
2383         * reload1.c (delete_output_reload): Count occurrences in
2384         CALL_INSN_FUNCTION_USAGE.
2385         * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2386         crashing at the end of the list.
2388 2006-12-05  Daniel Berlin  <dberlin@dberlin.org>
2390         * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2391         Optimize to avoid marking more SMT's as used when they aren't.
2393 2006-12-05  Eric Christopher  <echristo@apple.com>
2395         * config/i386/i386.c (x86_output_aligned_bss): Move out
2396         of COMMON_ASM_OP ifdef.
2398 2006-12-05  Eric Christopher  <echristo@apple.com>
2400         * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2401         (STARTFILE_SPEC): Use.
2402         (DARWIN_DYLIB1_SPEC): New.
2403         (DARWIN_CRT1_SPEC): New.
2404         * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2405         DARWIN_EXTRA_SPECS.
2406         * config/i386/darwin.h: Ditto.
2407         * config/rs6000/darwin.h: Ditto.
2409 2006-12-05  Daniel Berlin  <dberlin@dberlin.org>
2411         * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2412         * tree-complex.c (pass_lower_complex): Ditto.
2413         * tree-ssa-ccp.c (pass_ccp): Ditto.
2414         (pass_store_ccp): Ditto.
2415         * tree-ssa-dom.c (pass_dominator): Ditto.
2416         (pass_phi_only_cprop): Ditto.
2417         * tree-sra.c (pass_sra): Ditto.
2418         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2419         * tree-flow.h (updating_used_alone): Remove.
2420         (updating_used_alone): Ditto.
2421         * tree-ssa-alias.c (updating_used_alone): Remove variable.
2422         (lhs_may_store_to): Remove function.
2423         (recalculate_used_alone): Ditto.
2424         (compute_may_aliases): Remove used_alone calculation.
2425         * tree.h (struct tree_memory_tag): Remove is_used_alone and
2426         old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2427         * tree-pass.h (PROP_smt_usage): Remove.
2428         * passes.c (execute_todo): Remove used alone recalculation.
2429         (execute_one_pass): Ditto.
2430         * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2431         stuff.
2433 2006-12-05  Brooks Moses  <brooks.moses@codesourcery.com>
2435         * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2437 2006-12-05  Zdenek Dvorak <dvorakz@suse.cz>
2439         PR tree-optimization/14784
2440         * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2442 2006-12-05  Aldy Hernandez  <aldyh@redhat.com>
2444         Merge from gimple-tuples-branch.
2446         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2448         * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2449         GIMPLE_MODIFY_STMT.
2450         (s390_gimplify_va_arg): Same.
2451         * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2452         * config/sh/sh.c (sh_va_start): Same.
2453         (sh_gimplify_va_arg_expr): Same.
2454         * config/xtensa/xtensa.c (xtensa_va_start): Same.
2455         (xtensa_gimplify_va_arg_expr): Same.
2456         * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2457         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2458         * config/mips/mips.c (mips_va_start): Same.
2459         (mips_gimplify_va_arg_expr): Same.
2461         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2463         * Merge from mainline at revision 119445.
2465         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2467         * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2468         GIMPLE_MODIFY_STMT.
2469         (spu_gimplify_va_arg_expr): Same.
2471         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2473         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2474         Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2475         (xstormy16_expand_builtin_va_arg): Same.
2477         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2479         * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2480         to GIMPLE_MODIFY_STMT.
2482         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2484         * config/alpha/alpha.c (va_list_skip_additions): Change all
2485         occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2486         (alpha_va_start): Same.
2487         (alpha_gimplify_va_arg_1): Same.
2488         (alpha_gimplify_va_arg): Same.
2490         2006-12-01  Aldy Hernandez  <aldyh@redhat.com>
2492         * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2494         2006-12-01  Aldy Hernandez  <aldyh@redhat.com>
2496         * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2497         GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2498         GENERIC_TREE_TYPE.
2499         * tree-complex.c: Same.
2500         * tree-pretty-print.c: Same.
2501         * tree.c: Same.
2502         * tree.h: Same.
2503         * builtins.c: Same.
2504         * fold-const.c: Same.
2505         * tree-ssa-dom.c: Same.
2506         * tree-ssa-propagate.c: Same.
2507         * tree-ssa-alias.c: Same.
2508         * gimple-low.c: Same.
2509         * dwarf2out.c: Same.
2510         * c-pretty-print.c: Same.
2511         * gimplify.c: Same.
2512         * tree-inline.c: Same.
2513         * tree-outof-ssa.c: Same.
2514         * tree-ssa-structalias.c: Same.
2515         * tree-ssa-reassoc.c: Same.
2516         * stmt.c: Same.
2518         2006-11-16  Aldy Hernandez  <aldyh@redhat.com>
2520         * tree.c (build2_stat): Fix comment.
2522         2006-11-13  Aldy Hernandez  <aldyh@redhat.com>
2524         * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2525         TREE_OPERAND when appropriate.
2527         2006-11-04  Aldy Hernandez  <aldyh@redhat.com>
2529         * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2530         (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2531         (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2532         * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2533         not handle GIMPLE_MODIFY_STMT in the switch statement.
2534         (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2535         (java_gimplify_new_array_init): Same.
2537         2006-11-03  Aldy Hernandez  <aldyh@redhat.com>
2539         * gimplify.c (gimplify_omp_for): Allow gimple statements.
2540         * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2541         * fold-const.c (fold_binary): Allow gimple statements.
2542         (fold): Same.
2543         * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2544         Rename from gfc_conv_descriptor_data_set.
2545         Call gfc_add_modify instead of gfc_add_modify_expr.
2546         * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2547         Rename from gfc_conv_descriptor_data_set.
2548         (gfc_conv_descriptor_data_set): New macro.
2549         (gfc_conv_descriptor_data_set_tuples): New macros.
2550         * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2551         gfc_conv_descriptor_data_set_tuples.
2552         * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2553         Generate GIMPLE_MODIFY_STMT when appropriate.
2554         * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2555         (gfc_add_modify_expr): New macro.
2556         (gfc_add_modify_stmt): New macro.
2557         * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2559         2006-11-01  Aldy Hernandez  <aldyh@redhat.com>
2561         * Merge from mainline at revision 118200.
2563         2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2565         * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2566         accordingly.
2568         2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2570         * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2571         enable checking.
2572         Also, add __extension__ to GCC versions.
2573         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2574         * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2575         patrol.
2577         2006-10-05  Aldy Hernandez  <aldyh@redhat.com>
2579         * tree-complex.c (expand_complex_libcall): Adjust for
2580         GIMPLE_MODIFY_STMT.
2581         (expand_complex_comparison): Same.
2582         * tree-pretty-print.c (dump_generic_node): Is_expr should include
2583         GIMPLE_STMT_P statements.
2584         * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2585         GIMPLE_MODIFY_STMT.
2586         (tree_mod_pow2_value_transform): Same.
2587         (tree_mod_subtract_transform): Same.
2588         * tree.c (build2_stat): Check for gimplified function in cfun.
2589         * tree.h (DECL_GIMPLIFIED): Delete.
2590         (struct tree_function_decl): Remove gimplified_flag.
2591         * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2592         * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2593         (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2594         (cxx_omp_clause_copy_ctor): Same.
2595         (cxx_omp_clause_assign_op): Same.
2596         * c-pretty-print.c (pp_c_conditional_expression): Same.
2597         (pp_c_expression): Same.
2598         * langhooks.c (lhd_omp_predetermined_sharing): Same.
2599         * function.h (struct function): Add gimplified field.
2600         * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2601         GIMPLE_MODIFY_STMT.
2602         (find_phi_replacement_condition): Same.
2603         * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2604         (gimplify_modify_expr_to_memset): Same.
2605         (gimplify_init_ctor_eval_range): Same.
2606         (gimplify_modify_expr_complex_part): Same.
2607         (tree_to_gimple_tuple): Same.
2608         (gimplify_modify_expr): Same.
2609         (gimple_push_cleanup): Same.
2610         (gimplify_omp_for): Same.
2611         (gimplify_omp_atomic_pipeline): Same.
2612         (gimplify_omp_atomic_mutex): Same.
2613         (gimplify_expr): Same.
2614         (gimplify_one_sizepos): Same.
2615         (gimplify_function_tree): Same.
2616         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2617         (vect_recog_widen_sum_pattern): Same.
2618         * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2619         (vect_create_epilog_for_reduction): Same.
2620         (vectorizable_reduction): Same.
2622         2006-09-28  Aldy Hernandez  <aldyh@redhat.com>
2624         * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2625         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2626         (ifc_temp_var): Same.
2627         * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2628         for gimple statements.
2629         (vect_analyze_operations): Same.
2630         (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2631         * gimplify.c (gimplify_return_expr): Handle gimple statements.
2632         * lambda-code.c (can_put_in_inner_loop): Same.
2633         (can_put_after_inner_loop): Same.
2634         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2635         (vect_create_data_ref_ptr): Same.
2636         (vect_init_vector): Same.
2637         (vect_get_vec_def_for_operand): Same.
2638         (vect_create_epilog_for_reduction): Same.
2639         (vectorizable_reduction): Same.
2640         (vectorizable_assignment): Same.
2641         (vectorizable_operation): Same.
2642         (vectorizable_load): Same.
2643         (vectorizable_condition): Same.
2644         * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2645         (rs6000_gimplify_va_arg): Same.
2647         2006-09-25  Aldy Hernandez  <aldyh@redhat.com>
2649         * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2650         GIMPLE_STMT_OPERAND.
2651         (simplify_abs_using_ranges): Same.
2652         * tree-complex.c (expand_complex_operations_1): Use
2653         PROTECTED_TREE_OPERAND.
2654         * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2655         stmt.
2656         (get_val_for): Use GIMPLE_STMT_OPERAND.
2657         * tree-tailcall.c (adjust_accumulator_values): Same.
2658         (adjust_return_value): Same.
2659         * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2660         case.  Remove special case for tcc_gimple_stmt.
2661         * tree.h (CAN_HAVE_LOCATION_P): New.
2662         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2663         GIMPLE_STMT_P.
2664         * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2665         * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2666         * tree-nrv.c (execute_return_slot_opt): Same.
2667         * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2668         * tree-vn.c (set_value_handle): Same.
2669         (get_value_handle): Same.
2670         * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2671         * tree-vectorizer.c (find_loop_location): Same.
2672         * c-typeck.c (c_process_expr_stmt): Same.
2673         (c_finish_stmt_expr): Same.
2674         * gimplify.c (should_carry_locus_p): Same.
2675         (tree_to_gimple_tuple): Delete definition and use of unecessary
2676         variable save_tree_block.
2677         * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2678         (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2679         (realify_fake_stores): Same.
2680         * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2681         Use TREE_OPERAND.
2682         * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2683         (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2684         * tree-cfg.c (move_stmt_r): Use EXPR_P.  Check for GIMPLE_STMT_P.
2685         * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2686         (c_parser_statement_after_labels): Same.
2687         (c_parser_paren_condition): Same.
2688         (c_parser_for_statement): Same.
2689         (c_parser_omp_for_loop): Same.
2690         * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2691         (linearize_expr_tree): Same.
2692         * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2693         * function.c (instantiate_expr): Same.
2695         2006-09-22  Aldy Hernandez  <aldyh@redhat.com>
2697         * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2698         (set_expr_location): Same.
2699         (expr_locus): Same.
2700         (set_expr_locus): Same.
2701         (expr_filename): Same.
2702         (expr_lineno): Same.
2703         (tree_block): Use GIMPLE_STMT_BLOCK.
2704         (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2705         * tree.h (struct gimple_stmt): Remove prev and next.
2706         (GIMPLE_STMT_OPERAND_CHECK): New.
2707         (TREE_TO_GIMPLE_STMT): Delete.
2708         (GIMPLE_STMT_TO_TREE): Delete.
2709         (GIMPLE_STMT_OPERAND): Use union, not cast.
2710         (GIMPLE_STMT_LOCUS): New.
2711         (GIMPLE_STMT_BLOCK): New.
2712         * gimplify.c (tree_to_gimple_tuple): Use union.  Do not cast
2713         to tree_base.
2714         * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2716         2006-09-21  Aldy Hernandez  <aldyh@redhat.com>
2718         * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2719         to base.
2720         * tree-tailcall.c (adjust_return_value): Same.
2721         * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2722         (copy_node_stat): Change common.base to base.
2723         (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2724         Remove GIMPLE_STATEMENT_LIST case.
2725         * tree.h (struct gimple_stmt): Make operands of type tree.
2726         (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2727         CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2728         TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2729         TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2730         TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2731         TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2732         TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2733         BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2734         TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2735         CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2736         TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2737         TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2738         SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2739         Change common.base to base.
2740         (GIMPLE_STATEMENT_LIST*): Remove.
2741         (union tree_node): Add base.  Remove gimple_statement_list.
2742         Remove pointer from gstmt.
2743         * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2744         * treestruct.def: Add TS_BASE.  Remove TS_GIMPLE_STATEMENT_LIST.
2745         * tree-vn.c (vn_compute): Change common.base to base.
2746         * tree-eh.c (verify_eh_throw_stmt_node): Same.
2747         * tree-flow-inline.h (var_ann): Same.
2748         (function_ann): Same.
2749         (stmt_ann): Same.
2750         (mark_non_addressable): Same.
2751         * gimplify.c (tree_to_gimple_tuple): Same.
2752         * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2753         * tree-dfa.c (create_var_ann): Change common.base to base.
2754         (create_function_ann): Same.
2755         (create_stmt_ann): Same.
2756         (create_tree_ann): Same.
2757         (collect_dfa_stats_r): Same.
2758         * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2759         * tree-ssa-dce.c (NECESSARY): Same.
2760         * tree-ssa.c (delete_tree_ssa): Same.
2761         * tree-optimize.c (execute_free_cfg_annotations): Same.
2762         * tree-flow.h: Same.
2764         2006-09-19  Aldy Hernandez  <aldyh@redhat.com>
2766         * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2767         (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2768         GIMPLE_MODIFY_STMT.
2769         * tree.h (struct gimple_stmt): Add prev and next fields.
2770         (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2771         (GIMPLE_STATEMENT_LIST_HEAD): New.
2772         (GIMPLE_STATEMENT_LIST_TAIL): New.
2773         (struct gimple_statement_list): New.
2774         (union tree_node): Add gimple_stmt_list and gstmt.
2775         * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2776         * tree.def: Add GIMPLE_STATEMENT_LIST.
2778         2006-09-06  Aldy Hernandez  <aldyh@redhat.com>
2780         * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2781         * tree-vrp.c (build_assert_expr_for): Change uses of
2782         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2783         (find_assert_locations): Same.
2784         (remove_range_assertions): Same.
2785         (stmt_interesting_for_vrp): Same.
2786         (vrp_visit_assignment): Same.
2787         (vrp_visit_stmt): Same.
2788         (simplify_cond_using_ranges): Same.
2789         * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2790         tree structure.
2791         * tree-ssa-loop-im.c (movement_possibility): Change uses of
2792         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2793         (stmt_cost): Same.
2794         (determine_invariantness_stmt): Same.
2795         (schedule_sm): Same.
2796         (gather_mem_refs_stmt): Same.
2797         * tree-complex.c (init_dont_simulate_again): Same.
2798         (complex_visit_stmt): Same.
2799         (set_component_ssa_name): Same.
2800         (expand_complex_move): Same.
2801         (expand_complex_div_wide): Same.
2802         (expand_complex_comparison): Same.
2803         (expand_complex_operations_1): Same.
2804         * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2805         (chain_of_csts_start): Same.
2806         (infer_loop_bounds_from_undefined): Same.
2807         * tree-pretty-print.c (dump_generic_node): Same.
2808         (op_prio): Same.
2809         (op_symbol_1): Same.
2810         * tree-ssa-loop-manip.c (create_iv): Same.
2811         * value-prof.c (tree_divmod_fixed_value): Same.
2812         (tree_divmod_fixed_value_transform): Same.
2813         (tree_mod_pow2): Same.
2814         (tree_mod_pow2_value_transform): Same.
2815         (tree_mod_subtract): Same.
2816         (tree_mod_subtract_transform): Same.
2817         (tree_divmod_values_to_profile): Same.
2818         * tree-tailcall.c (process_assignment): Same.
2819         (find_tail_calls): Same.
2820         (adjust_accumulator_values): Same.
2821         (adjust_return_value): Same.
2822         (eliminate_tail_call): Same.
2823         * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2824         (make_node_stat): Same.
2825         (copy_node_stat): Handle gimple tuples.
2826         (expr_align): Handle GIMPLE_MODIFY_STMT.  Abort on MODIFY_EXPR.
2827         (tree_node_structure): Handle tcc_gimple_stmt.
2828         (build2_stat): Abort on MODIFY_EXPR after gimplification.  Handle
2829         tcc_gimple_stmt.
2830         (build2_gimple_stat): New.
2831         (expr_location): New.
2832         (set_expr_location): New.
2833         (expr_has_location): New.
2834         (expr_locus): New.
2835         (set_expr_locus): New.
2836         (expr_filename): New.
2837         (expr_lineno): New.
2838         (walk_tree): Handle tcc_gimple_stmt.
2839         (tree_block): New.
2840         (protected_tree_operand): New.
2841         (protected_tree_type): New.
2842         (tree_code_kind): Add gimple statements.
2843         * tree.h (tree_code_class): Add tcc_gimple_stmt.
2844         (IS_GIMPLE_STMT_CODE_CLASS): New.
2845         (struct tree_base): New.
2846         (struct tree_common): Shrink.
2847         (struct gimple_stmt): New.
2848         (struct gimple_expr): New.
2849         (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2850         CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2851         TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2852         TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2853         TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2854         FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2855         TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2856         BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2857         TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2858         DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2859         TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2860         IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2861         TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2862         TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2863         Adjust for new `common' layout.
2864         (struct tree_function_decl): Add gimplified_flag.
2865         (DECL_GIMPLIFIED): NEW.
2866         (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2867         SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2868         EXPR_HAS_LOCATION): Call corresponding function.
2869         (GIMPLE_STMT_CHECK): New.
2870         (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2871         (TREE_BLOCK): Call tree_block.
2872         (GIMPLE_STMT_P): New.
2873         (GIMPLE_TUPLE_P): New.
2874         (TREE_TO_GIMPLE_STMT): New.
2875         (GIMPLE_STMT_TO_TREE): New.
2876         (GIMPLE_STMT_OPERAND): New.
2877         (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2878         (PROTECTED_TREE_OPERAND): New.
2879         (PROTECTED_TREE_TYPE): New.
2880         (build2_gimple_stat): Protoize.
2881         (build2_gimple): New.
2882         (expr_location): Protoize.
2883         (set_expr_location): Protoize.
2884         (expr_has_location): Protoize.
2885         (expr_locus): Protoize.
2886         (set_expr_locus): Protoize.
2887         (expr_filename): Protoize.
2888         (expr_lineno): Protoize.
2889         (tree_block): Protoize.
2890         (protected_tree_operand): Protoize.
2891         (protected_tree_type): Protoize.
2892         (enum tree_node_kind): Add gimple_stmt_kind.
2893         * c-decl.c (union lang_tree_node): Tuples do not have a
2894         TREE_CHAIN.
2895         * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2896         GIMPLE_MODIFY_STMT and adjust accordingly.
2897         * tree-scalar-evolution.c (follow_ssa_edge): Same.
2898         (interpret_condition_phi): Same.
2899         (pointer_used_p): Same.
2900         (analyze_scalar_evolution_1): Same.
2901         (scev_const_prop): Same.
2902         (interpret_rhs_modify_stmt): Rename from
2903         interpret_rhs_modify_expr.
2904         * builtins.c (std_expand_builtin_va_start): Change uses of
2905         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2906         (std_gimplify_va_arg_expr): Same.
2907         (expand_builtin_va_copy): Same.
2908         (integer_valued_real_p): Same.
2909         * fold-const.c (maybe_lvalue_p): Same.
2910         (fold_unary): Same.
2911         (tree_expr_nonnegative_p): Same.
2912         (tree_expr_nonzero_p): Same.
2913         * omp-low.c (extract_omp_for_data): Same.
2914         (lower_rec_input_clauses): Same.
2915         (lower_reduction_clauses): Same.
2916         (lower_copyprivate_clauses): Same.
2917         (lower_send_clauses): Same.
2918         (lower_send_shared_vars): Same.
2919         (expand_parallel_call): Same.
2920         (expand_omp_parallel): Same.
2921         (expand_omp_for_generic): Same.
2922         (expand_omp_for_static_nochunk): Same.
2923         (expand_omp_for_static_chunk): Same.
2924         (expand_omp_sections): Same.
2925         (lower_omp_single_copy): Same.
2926         (lower_omp_parallel): Same.
2927         * tree-ssa-dse.c (memory_address_same): Same.
2928         (dse_optimize_stmt): Same.
2929         * ipa-reference.c (scan_for_static_refs): Same.
2930         * tree-gimple.c (is_gimple_reg_rhs): Same.
2931         (get_call_expr_in): Same.
2932         (recalculate_side_effects): Same.
2933         * cgraphunit.c (cgraph_create_edges): Same.
2934         * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2935         * tree-ssa-ccp.c (get_default_value): Same.
2936         (likely_value): Same.
2937         (visit_assignment): Same.
2938         (ccp_visit_stmt): Same.
2939         (get_maxval_strlen): Same.
2940         (ccp_fold_builtin): Same.
2941         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2942         (find_givs_in_stmt): Same.
2943         (find_interesting_uses_op): Same.
2944         (find_interesting_uses_stmt): Same.
2945         (rewrite_use_nonlinear_expr): Same.
2946         * ipa-pure-const.c (scan_function): Same.
2947         * tree-stdarg.c (va_list_counter_bump): Same.
2948         (check_all_va_list_escapes): Same.
2949         (execute_optimize_stdarg): Same.
2950         * tree-ssa-math-opts.c (compute_merit): Same.
2951         (insert_reciprocals): Same.
2952         (execute_cse_reciprocals): Same.
2953         * tree-ssa-dom.c (initialize_hash_element): Same.
2954         (simple_iv_increment_p): Same.
2955         (record_equivalences_from_stmt): Same.
2956         (optimize_stmt): Same.
2957         (remove_stmt_or_phi): Same.
2958         (get_rhs_or_phi_arg): Same.
2959         (get_lhs_or_phi_result): Same.
2960         (propagate_rhs_into_lhs): Same.
2961         * tree-nrv.c (tree_nrv): Same.
2962         (execute_return_slot_opt): Same.
2963         * tree-ssa-propagate.c (get_rhs): Same.
2964         (set_rhs): Same.
2965         (stmt_makes_single_load): Same.
2966         (stmt_makes_single_store): Same.
2967         (replace_vuses_in): Same.
2968         (fold_predicate_in): Same.
2969         (substitute_and_fold): Same.
2970         * tree-ssa-alias.c (compute_call_clobbered): Same.
2971         (recalculate_used_alone): Same.
2972         (count_uses_and_derefs): Same.
2973         (is_escape_site): Same.
2974         (find_used_portions): Same.
2975         * gimple-low.c (lower_stmt): Same.
2976         (block_may_fallthru): Same.
2977         (lower_return_expr): Same.
2978         * tree-ssa-sink.c (is_hidden_global_store): Same.
2979         (statement_sink_location): Same.
2980         * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2981         * expr.c (safe_from_p): Same.
2982         (expand_expr_real): Same.
2983         (expand_expr_real_1): Same.
2984         * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2985         * predict.c (expr_expected_value): Same.
2986         (strip_builtin_expect): Same.
2987         (apply_return_prediction): Same.
2988         (tree_bb_level_predictions): Same.
2989         (tree_estimate_probability): Same.
2990         * tree-vn.c (vn_compute): Same.
2991         * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2992         (remove_stmt_from_eh_region_fn): Same.
2993         (do_return_redirection): Same.
2994         (honor_protect_cleanup_actions): Same.
2995         (lower_try_finally_switch): Same.
2996         (lower_eh_constructs_1): Same.
2997         (tree_could_throw_p): Same.
2998         (verify_eh_throw_stmt_node): Same.
2999         * function.c (gimplify_parameters): Same.
3000         * tree-vectorizer.c (vect_is_simple_use): Same.
3001         (vect_is_simple_reduction): Same.
3002         * ipa-type-escape.c (scan_for_refs): Same.
3003         * tree-if-conv.c (tree_if_conversion): Same.
3004         (tree_if_convert_stmt): Same.
3005         (if_convertible_gimplify_modify_stmt_p): Rename from
3006         if_convertible_modify_expr_p.
3007         (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
3008         (ifc_temp_var): Same.
3009         (replace_phi_with_cond_modify_stmt): Rename from
3010         replace_phi_with_cond_modify_expr.
3011         (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
3012         * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
3013         * tree-data-ref.c (find_data_references_in_loop): Adjust for
3014         GIMPLE_MODIFY_STMT.
3015         * tree-flow-inline.h (var_ann): Same.
3016         (function_ann): Same.
3017         (stmt_ann): Same.
3018         (mark_non_addressable): Same.
3019         * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
3020         * gimplify.c (tree_to_gimple_tuple): New.
3021         (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
3022         (gimplify_return_expr): Same.
3023         (gimplify_decl_expr): Same.
3024         (gimplify_self_mod_expr): Same.
3025         (gimplify_cond_expr): Same.
3026         (gimplify_init_constructor): Same.
3027         (gimplify_modify_expr): Same.
3028         (gimplify_expr): Same.
3029         (gimplify_function_tree): Same.
3030         (force_gimple_operand): Same.
3031         * tree-ssa-phiopt.c (conditional_replacement): Same.
3032         (minmax_replacement): Same.
3033         (abs_replacement): Same.
3034         * tree-dfa.c (create_var_ann): Same.
3035         (create_function_ann): Same.
3036         (create_stmt_ann): Same.
3037         (create_tree_ann): Same.
3038         (collect_dfa_stats_r): Same.
3039         * tree-ssa-pre.c (find_or_generate_expression): Same.
3040         (create_expression_by_pieces): Same.
3041         (try_look_through_load): Same.
3042         (insert_fake_stores): Same.
3043         (realify_fake_stores): Same.
3044         (compute_avail): Same.
3045         (eliminate): Same.
3046         (init_pre): Same.
3047         (poolify_modify_stmt): Rename from poolify_modify_stmt.
3048         Adjust for GIMPLE_MODIFY_STMT.
3049         (NECESSARY): Adjust for new `common' layout.
3050         * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
3051         GIMPLE_MODIFY_STMT.
3052         * tree-sra.c (sra_walk_modify_stmt): Rename from
3053         sra_walk_modify_expr.
3054         (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
3055         (generate_copy_inout): Same.
3056         (generate_element_copy): Same.
3057         (generate_element_zero): Same.
3058         (scalarize_copy): Same.
3059         * tree-mudflap.c (mf_decl_cache_locals): Same.
3060         (mf_build_check_statement_for): Same.
3061         (mf_xform_derefs): Same.
3062         * ipa-prop.c (ipa_method_modify_stmt): Same.
3063         * print-tree.c (print_node): Handle gimple tuples.
3064         Add case for tcc_gimple_stmt.
3065         * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
3066         GIMPLE_MODIFY_STMT.
3067         (copy_prop_visit_assignment): Same.
3068         (copy_prop_visit_stmt): Same.
3069         (init_copy_prop): Same.
3070         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
3071         (forward_propagate_into_cond_1): Same.
3072         (find_equivalent_equality_comparison): Same.
3073         (tidy_after_forward_propagate_addr): Same.
3074         (forward_propagate_addr_expr_1): Same.
3075         (simplify_not_neg_expr): Same.
3076         (simplify_switch_expr): Same.
3077         * tree-ssa-dce.c (find_pdom): Same.
3078         (mark_stmt_if_obviously_necessary): Same.
3079         (NECESSARY): Adjust for new `common' layout.
3080         * tree-flow.h: Same.
3081         * tree-vect-patterns.c (widened_name_p): Adjust for
3082         GIMPLE_MODIFY_STMT.
3083         (vect_recog_dot_prod_pattern): Same.
3084         (vect_recog_widen_sum_pattern): Same.
3085         (vect_pattern_recog_1): Same.
3086         * tree-nested.c (init_tmp_var): Same.
3087         (save_tmp_var): Same.
3088         (walk_stmts): Same.
3089         (convert_call_expr): Same.
3090         (finalize_nesting_tree_1): Same.
3091         * tree-ssa.c (verify_ssa): Same.
3092         (delete_tree_ssa): Same.
3093         * lambda-code.c (lbv_to_gcc_expression): Same.
3094         (lle_to_gcc_expression): Same.
3095         (lambda_loopnest_to_gcc_loopnest): Same.
3096         (can_put_in_inner_loop): Same.
3097         (can_convert_to_perfect_nest): Same.
3098         (perfect_nestify): Same.
3099         * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
3100         * tree-inline.c (copy_body_r): Same.
3101         (setup_one_parameter): Same.
3102         (initialize_inlined_parameters): Same.
3103         (estimate_num_insns_1): Same.
3104         (expand_call_inline): Same.
3105         (gimple_expand_calls_inline): Same.
3106         (copy_tree_r): Same.
3107         * tree-optimize.c (execute_free_cfg_annotations): Same.
3108         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
3109         (vect_align_data_ref): Same.
3110         (vect_create_data_ref_ptr): Same.
3111         (vect_init_vector): Same.
3112         (vect_create_epilog_for_reduction): Same.
3113         (vectorizable_reduction): Same.
3114         (vectorizable_assignment): Same.
3115         (vectorizable_operation): Same.
3116         (vectorizable_store): Same.
3117         (vectorizable_load): Same.
3118         (vectorizable_live_operation): Same.
3119         (vectorizable_condition): Same.
3120         (vect_generate_tmps_on_preheader): Same.
3121         (vect_create_cond_for_align_checks): Same.
3122         * tree-object-size.c (collect_object_sizes_for): Same.
3123         (check_for_plus_in_loops_1): Same.
3124         (check_for_plus_in_loops): Same.
3125         * tree-outof-ssa.c (insert_copy_on_edge): Same.
3126         (replace_use_variable): Same.
3127         (check_replaceable): Same.
3128         (rewrite_trees): Same.
3129         (identical_copies_p): Same.
3130         (insert_backedge_copies): Same.
3131         * tree-profile.c (tree_gen_edge_profiler): Same.
3132         * tree-vect-generic.c (expand_vector_operations_1): Same.
3133         * tree-ssa-structalias.c (update_alias_info): Same.
3134         (find_func_aliases): Same.
3135         * tree-cfg.c (factor_computed_gotos): Same.
3136         (make_edges): Same.
3137         (make_goto_expr_edges): Same.
3138         (tree_merge_blocks): Same.
3139         (remove_useless_stmts_cond): Same.
3140         (remove_useless_stmts_1): Same.
3141         (tree_find_edge_insert_loc): Same.
3142         (verify_expr): Same.
3143         (gimplify_val): Same.
3144         (verify_gimple_tuples_1): New.
3145         (verify_gimple_tuples): New.
3146         (verify_stmts): Call verify_gimple_tuples.
3147         * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
3148         (get_unary_op): Same.
3149         (linearize_expr): Same.
3150         (get_single_immediate_use): Same.
3151         (negate_value): Same.
3152         (should_break_up_subtract): Same.
3153         (break_up_subtract): Same.
3154         (repropagate_negates): Same.
3155         (break_up_subtract_bb): Same.
3156         (reassociate_bb): Same.
3157         * config/i386/i386.c (ix86_va_start): Same.
3158         (ix86_gimplify_va_arg): Same.
3159         * stmt.c (expand_expr_stmt): Same.
3160         (warn_if_unused_value): Same.
3161         (expand_return): Same.
3162         * tree-ssanames.c (make_ssa_name): Same.
3163         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
3164         * tree-ssa-operands.c (finalize_ssa_defs): Same.
3165         (add_virtual_operand): Same.
3166         (get_expr_operands): Same.
3167         (parse_ssa_operands): Same.
3168         (get_modify_stmt_operands): Rename from get_modify_expr_operands.
3170 2006-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3172         * config.host: Remove extra blank line.
3174 2006-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3176         * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
3177         target is also an x86 variant.
3179 2006-12-05  Richard Guenther  <rguenther@suse.de>
3181         * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
3182         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
3183         (ix86_builtin_vectorized_function): New function to vectorize
3184         sqrt.
3186 2006-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3188         * config/bfin/bfin.c (output_file_start): Fix comment which referred to
3189         ia64_override_options.
3191 2006-12-04  Jan Hubicka  <jh@suse.cz>
3193         * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
3194         really_expand.
3196 2006-12-04  Bernd Schmidt  <bernd.schmidt@analog.com>
3198         * rtlanal.c (note_uses): Deal with SEQUENCEs.
3199         * config/bfin/bfin.c: Include "timevar.h".
3200         (bfin_flag_schedule_insns2, splitting_for_sched,
3201         bfin_flag_var_tracking): New variables.
3202         (print_operand): Handle '%!'.
3203         (override_options): Disable normal sched2 pass, instead set
3204         bfin_flag_schedule_insns2 for reorg to handle it.
3205         (output_file_start): Likewise for var-tracking.
3206         (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
3207         (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
3208         New functions.
3209         (bfin_reorg): Do second scheduling pass here, and call
3210         bfin_gen_bundles.  Use type_for_anomaly and trapping_loads_p instead
3211         of examining insns directly.  If bfin_flag_var_tracking, call
3212         var-tracking pass when done with everything else.
3213         * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
3214         * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
3215         (movsi_insn32): New pattern, with two new splits to create it
3216         before the final scheduling pass.
3217         (neghi2): Not a dsp32 insn, rather alu0.
3218         (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
3219         movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
3220         extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
3221         mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
3222         ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
3223         movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
3224         movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
3225         ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
3226         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
3227         subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
3228         addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
3229         flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
3230         flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
3231         flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
3232         flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
3233         flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
3234         mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
3235         lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
3236         variants instead of ';'.
3237         (ror_one, rol_one): Likewise.  Make them dsp32 insns.
3238         (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
3239         (align8, align16, align24): Now named patterns; also using '%!'.
3240         (mnop): New insn.
3242 2006-12-05  Kazu Hirata  <kazu@codesourcery.com>
3244         * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
3245         tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
3247 2006-12-04  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3249         * config/spu/spu-protos.c (spu_split_address): Add.
3250         * config/spu/spu.c (spu_split_address): Add.
3251         (print_operand): Handle HIGH.
3252         (spu_legitimate_address):  Don't test for aligned CONST.
3253         (spu_expand_mov):  Don't split addresses here.
3254         * config/spu/constraints.md (A): Don't test legitimate_const.
3255         * config/spu/spu.md: Add split of movsi patterns for PIC mode.
3256         (ceq_di): Use correct predicates.
3258 2006-12-04  Eric Christopher  <echristo@apple.com>
3260         * config/darwin.h: Update copyright notice.
3261         * config/i386/darwin.h: Ditto.
3263 2006-12-04  Jan Hubicka  <jh@suse.cz>
3265         * builtins.c (fold_builtin_memory_op): Check that expr_size match.
3266         * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
3268 2006-12-04  Daniel Berlin  <dberlin@dberlin.org>
3270         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
3271         set_used_smts.
3272         * tree-ssa-structalias.c (set_used_smts): Export.
3273         (find_what_p_points_to): Don't call set_used_smts here.
3274         * tree-ssa-structalias.h (set_used_smts): Add prototype.
3276 2006-12-04  Daniel Berlin  <dberlin@dberlin.org>
3278         * tree-ssa-alias.c (compute_may_aliases):
3279         Compute flow sensitive before flow insensitive.
3280         (compute_flow_sensitive_aliasing): Don't try to add
3281         a symbol memory tag to itself.
3283         * alias.h (alias_set_subset_of): New prototype.
3285         * alias.c (alias_set_subset_of): New function.
3287         * tree-ssa-structalias.c: Update comments.
3288         (struct variable_info): Add finished_solution.
3289         (new_varinfo): Set finished solution to NULL.
3290         (var_escaped_vars): Remove.
3291         (escaped_vars_tree): Remove.
3292         (escaped_vars_id): Remove.
3293         (nonlocal_vars_id): Remove.
3294         (constraint_expr_type): Add INCLUDES.
3295         (graph_size): Removed.
3296         (dump_constraint): Support INCLUDES.
3297         (build_constraint_graph): Ditto.
3298         (collapse_nodes): Add merge_solutions argument.
3299         Don't merge attributes.
3300         (process_unification_queue): Just use collapse_nodes.
3301         (perform_var_substitution): Update call to collapse_nodes.
3302         (get_constraint_exp_from_ssa_var): Use INCLUDES.
3303         (process_constraint): Fix non-field sensitive handling
3304         Handle includes.
3305         (get_constraint_for): Use INCLUDES.
3306         (make_constraint_from_anything): Renamed from
3307         make_constraint_from_escaped.
3308         (make_constraint_to_escaped): Removed.
3309         (find_global_initializers): Removed.
3310         (create_variable_info_for): Do not make constraints to escaped
3311         vars anymore.
3312         (dump_solution_for_var): Don't print out the equivalent points-to
3313         sets, just use the name of the variable it shares it with.
3314         (intra_create_variable_infos): Use INCLUDES.
3315         Change nonlocal variable sets to anything sets.
3316         (init_base_vars): Remove escaped_vars and nonlocal_var
3317         initialization.
3318         (find_escape_constraints): Removed.
3319         (delete_points_to_sets): Remove dead code.
3320         (used_smt_calculated): New variable.
3321         (set_used_smts): New function.
3322         (merge_smts_into): New function.
3323         (find_what_p_points_to): Modify to use SMTs.
3324         (create_nonlocal_var): Remove.
3326         * tree-ssa-operands.c (access_can_touch_variable): Remove
3327         reference to nonlocal_all.
3329         * tree-ssa.c (verify_name_tags): Remove.
3331 2006-12-04  Carlos O'Donell  <carlos@codesourcery.com>
3333         * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3334         (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3336 2006-12-04  Andrew MacLeod  <amacleod@redhat.com>
3338         * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3339         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3340         (add_livein_if_notdef): Delete.
3341         (loe_visit_block): New.  Propogate live on entry info for a block into
3342         each predecessor.  If it changes, make sure it is visited again.
3343         (live_worklist): Visit every block and update the live on entry info
3344         for preds.  Iterate over any that changed.
3345         (set_var_live_on_entry): Populate the live on entry blocks with bits
3346         based on the immediate uses of a var.
3347         (calculate_live_on_entry): Remove.
3348         (calculate_live_on_exit): Calculate live on exit based on the newly
3349         oriented live on entry bits.
3350         (calculate_live_ranges): Build live on entry and exit vectors.
3351         (dump_live_info): Use new orientation of live on entry bitmaps.
3352         (verify_live_on_entry): New.  Split out verification code from old
3353         calculate_live_on_entry routine.
3354         * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3355         (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3356         basic_block instead of for a partition.
3357         (live_merge_and_clear): Add asserts.
3358         (make_live_on_entry): Set partition bit in basic block vector.
3360 2006-12-04  Jakub Jelinek  <jakub@redhat.com>
3362         PR libgomp/29947
3363         * omp-low.c (expand_omp_for_static_nochunk,
3364         expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3365         unsigned type.
3367         PR middle-end/29965
3368         * omp-low.c (determine_parallel_type): Don't try to optimize combined
3369         parallels if region->exit or region->inner->exit is NULL.
3370         (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3371         built.
3372         (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3373         (expand_omp_for): Use expand_omp_for_generic if either region->cond
3374         or region->exit is NULL.
3375         (expand_omp_sections): Handle NULL region->cond or region->exit.
3376         (expand_omp_synch):
3378 2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3380         * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3381         * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3383 2006-12-04  Eric Botcazou  <ebotcazou@adacore.com>
3385         * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3386         TYPE_MAX_VALUE for scalar types here but...
3387         (walk_tree): ...there instead.  Return NULL_TREE if the TYPE_DECL
3388         is attached an error mark, and the return value of the callback
3389         if it is not NULL_TREE.
3391 2006-12-04  Ben Elliston  <bje@au.ibm.com>
3393         * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3395 2006-12-03  Eric Christopher  <echristo@apple.com>
3397         PR target/24598
3398         * config/t-slibgcc-darwin: Pass -install_name.
3399         * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3400         libtool. Only pass through options that the linker recognizes.
3401         (LINK_SPEC): Update comment. Translate options.
3402         (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3403         * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3405 2006-12-03  Dorit Nuzman  <dorit@il.ibm.com>
3407         * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3409 2006-12-03  Uros Bizjak  <ubizjak@gmail.com>
3411         PR target/30041
3412         * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3413         operands[1] in insn constraint.  Correct type attribute to sselog1.
3415 2006-12-02  H.J. Lu  <hongjiu.lu@intel.com>
3417         PR target/30040
3418         * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3419         (bit_SSSE3): New.
3420         (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3421         processor detection.
3423         * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3424         -march=native if there is no -mtune=*.
3426         * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3427         coretypes.h.
3429 2006-12-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3431         * doc/install.texi: Update recommended MPFR version.  Remove
3432         obsolete reference to cumulative patch.
3434 2006-12-02  Lee Millward  <lee.millward@codesourcery.com>
3436         PR c/27953
3437         * c-decl.c (store_parm_decls_oldstyle): Robustify.
3439 2006-11-30  Jan Hubicka  <jh@suse.cz>
3440             Uros Bizjak  <ubizjak@gmail.com>
3442         * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3443         32bit memcpy/memset decriptors.
3444         (decide_alg): With -minline-all-stringops and sizes that are best
3445         to be copied via libcall still work hard enough to pick non-libcall
3446         strategy.
3448 2006-12-02  Kazu Hirata  <kazu@codesourcery.com>
3450         * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3452         * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3453         config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3454         config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3455         config/sh/sh4-300.md, config/spu/spu-builtins.def,
3456         config/spu/spu-c.c, config/spu/spu-modes.def,
3457         config/spu/spu.c, config/spu/spu.md,
3458         config/spu/spu_internals.h, config/spu/vmx2spu.h,
3459         fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3460         tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3461         tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3462         tree-vectorizer.c, tree-vrp.c: Fix comment typos.  Follow
3463         spelling conventions.
3465         * config/i386/i386.c: Fix a comment typo.
3467 2006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3469         * config/spu/spu.c (spu_immediate): Remove trailing comma.
3470         (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3471         * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3472         better optimization.
3473         (floatv4siv4sf2): New.
3474         (fix_truncv4sfv4si2): New.
3475         (floatunsv4siv4sf2): New.
3476         (fixuns_truncv4sfv4si2): New.
3477         (addv16qi3): New.
3478         (subv16qi3): New.
3479         (negv16qi2): New.
3480         (mulv8hi3): New.
3481         (mulsi3): Remove.
3482         (mul<mode>3): New.
3483         (_mulv4si3): New.
3484         (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3485         * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3486         spu_resolve_overloaded_builtin instead of static inline functions.
3488 2006-12-01  Eric Botcazou  <ebotcazou@adacore.com>
3490         * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3491         type instead of the size of its mode to compute the highest and
3492         lowest possible values.  Still check the size of the mode before
3493         flipping the signedness of the comparison.
3495 2006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3497         * config/spu/predicates.md (spu_mov_operand): Add.
3498         * config/spu/spu.c (spu_expand_extv): Remove unused code.
3499         (print_operand_address, print_operand): Handle addresses containing AND.
3500         (spu_split_load, spu_split_store): Use updated movti pattern.
3501         * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3502         stores in mov patterns for correct operation of reload.
3503         (lq, lq_<mode>, stq, stq_<mode>): Remove.
3505 2006-12-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3507         PR c++/30021
3508         * c-common.c (check_main_parameter_types): Check for error_mark_node.
3510 2006-12-01  Andrew MacLeod  <amacleod@redhat.com>
3512         * common.opt (ftree-combine-temps): Remove.
3513         * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3514         (coalesce_ssa_name): Don't check for combine-temps.
3515         (coalesce_vars): Remove.
3516         (check_replaceable): Use num_imm_uses.
3517         (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3518         check for combine-temps.
3519         (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3520         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3521         to register_ssa_partition calls.
3522         * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3523         (init_var_map, delete_var_map): remove refernces to ref_count.
3524         (create_ssa_var_map): Never calculate a ref count.
3525         (type_var_init): Remove.
3526         * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3527         (SSA_VAR_MAP_REF_COUNT): Delete.
3528         (create_ssa_var_map): Change Prototype to have no parameters.
3529         (version_ref_count): Delete.
3530         (register_ssa_partition): Remove 'is_use' paramater and don't set the
3531         ref_count vector.
3532         (type_var_num, type_var, type_var_first_partition,
3533         type_var_next_partition, type_var_dump, type_var_delete,
3534         type_var_remove_partition, type_var_find, type_var_compact,
3535         type_var_decompact): Remove.
3537 2006-12-01  Bernd Schmidt  <bernd.schmidt@analog.com>
3539         * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3540         attribute.
3542 2006-12-01  Richard Guenther  <rguenther@suse.de>
3544         PR c++/29433
3545         * dwarf2out.c (struct pubname_struct): Make name const.
3546         (add_pubtype): Do not xstrdup identifiers.
3548 2006-12-01  Bernd Schmidt  <bernd.schmidt@analog.com>
3550         * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3551         multiword accesses are in range.
3553 2006-12-01  Zdenek Dvorak <dvorakz@suse.cz>
3555         PR tree-optimization/29921
3556         * tree-ssa-ccp.c (canonicalize_float_value): New function.
3557         (set_lattice_value): Use canonicalize_float_value.
3559 2006-11-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3561         * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3562         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3563         (spu_cpu_cpp_builtins): Remove.
3564         (spu_override_options): Don't set warn_main.
3565         (spu_force_reg): Move from spu-c.c.
3566         (spu_check_builtin_parm): Likewise.
3567         (expand_builtin_args): Likewise.
3568         (spu_expand_builtin_1): Likewise.
3569         (spu_expand_builtin): Likewise.
3570         * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3571         warn_main and targetm.resolve_overloaded_builtin.
3572         * config/spu/spu-c.c (spu_builtin_range): Remove.
3573         (spu_check_builtin_parm): Remove.
3574         (expand_builtin_args): Remove.
3575         (spu_expand_builtin_1): Remove.
3576         (spu_expand_builtin): Remove.
3577         (spu_cpu_cpp_builtins): Moved from spu.c
3578         (spu_force_reg): Remove.
3580 2006-12-01  Joseph Myers  <joseph@codesourcery.com>
3581             David Edelsohn  <edelsohn@gnu.org>
3583         PR target/24036
3584         * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3585         HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3586         * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3587         HARD_REGNO_NREGS_WITH_PADDING): Define.
3588         * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3589         HARD_REGNO_NREGS_WITH_PADDING): Define.
3590         * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3591         Use new macros to detect modes with holes; do not look at integer
3592         units.
3593         (subreg_offset_representable_p): Check for and disallow cases
3594         where the modes use different numbers of bits from registers.
3595         * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3596         constant for soft-float.
3597         (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3598         containing doubles.
3599         (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3600         in E500 double case.
3601         * config/rs6000/rs6000.md (movtf): Allow soft-float.
3602         (movtf_softfloat): New.
3604 2006-11-30  Richard Sandiford  <richard@codesourcery.com>
3606         * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3607         simplify_gen_subreg.
3609 2006-11-30  Andrew Macleod  <amacleod@redhat.com>
3611         * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3612         (COALESCE_HASH_FN): New.  Define hash function.
3613         (partition_pair_map_hash): New.  Hash value for a partition pair.
3614         (partition_pair_map_eq): New.  Equality for hash pairs.
3615         (create_coalesce_list): Create hash table.
3616         (delete_coalesce_list): Free hash table.
3617         (find_partition_pair): Find/create pairs in hash table.
3618         (compare_pairs):  Sort pairs in ascending order now.
3619         (num_coalesce_pairs): New.  Number of pairs in hash table.
3620         (struct partition_pair_iterator): Iterator struct for pair table.
3621         (first_partition_pair): Iterator function for first pair.
3622         (end_partition_pair_p): Iterator function for end of iteration.
3623         (next_partition_pair): Iterator function for next pair.
3624         (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3625         (sort_coalesce_list): Sort pairs from hash table into an array.
3626         (pop_best_coalesce): Take pairs from the array.
3627         (dump_coalesce_list): Update to use hash table or sorted array.
3628         * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3629         (struct coalesce_list_d): Add hash table related fields.
3631 2006-11-30  Jan Hubicka  <jh@suse.cz>
3633         PR middle-end/30028
3634         * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3635         memmove/bcopy->memcpy conversion.
3637 2006-11-30  Carlos O'Donell  <carlos@codesourcery.com>
3639         * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3640         * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3641         Default is the largest alignment supported for 32-bit ELF and
3642         representable on a 32-bit host.
3644 2006-11-30  Janis Johnson  <janis187@us.ibm.com>
3646         * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3648 2006-11-30  Jan Hubicka  <jh@suse.cz>
3650         * tree-ssa-operands.h (struct ssa_operands): New.
3651         * tree-flow-inline.h (gimple_ssa_operands): New function.
3652         * tree-flow.h: (struct gimple_df): Add ssa_operands.
3653         * Makefile.in: Remove gt-tree-ssa-operands.h
3654         * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3655         (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3656         operand_memory, operand_memory_index, ops_active): Remove statics.
3657         (ALLOC_OPTYPE): Update.
3658         (operand_build_sort_virtual): Update.
3659         (ssa_operands_active): Update.
3660         (init_ssa_operands): Update.
3661         (fini_ssa_operands): Update.
3662         (ssa_operand_alloc): Update.
3663         (INITIALIZE_USE): Update.
3664         (finalize_ssa_use_ops): Update.
3665         (finalize_ssa_v_may_def_ops): Update.
3666         (finalize_ssa_vuse_ops): Update.
3667         (finalize_ssa_v_must_def_ops): Update.
3669 2006-11-30  Richard Guenther  <rguenther@suse.de>
3671         * tree-vectorizer.h (vectorizable_function): Export.
3672         * tree-vect-transform.c (vectorizable_function): Likewise.
3673         * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3674         type_in to scalar type in recognition of squaring.
3675         Make sure the target can vectorize sqrt in recognition
3676         of sqrt, set type_in to vector type in this case.
3678 2006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3680         * config/i386/i386.md (R10_REG): New constant.
3681         * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3682         (ix86_emit_restore_regs_using_mov): Ditto.
3683         (ix86_expand_call): Ditto.
3684         (x86_output_mi_thunk): Ditto. Also use R10_REG.
3686 2006-11-30  Steven Bosscher  <steven@gcc.gnu.org>
3688         * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3689         * alias.c (canon_true_dependence): Update comment.
3691 2006-11-30  Steven Bosscher  <steven@gcc.gnu.org>
3693         * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3694         at the end of a diagnostics message.
3696         * alloc-pool.c (pool_free): Postpone clearing the pool entry
3697         until after asserting that it was allocated in the right pool.
3699         * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3700         successor edge information as well.  Make output of live regs
3701         on exit consistent with live regs on entry.
3703 2006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3705         PR target/29852
3706         * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3707         insn patterns for TARGET_80387.
3708         (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3709         (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3710         (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3711         (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3712         Generate truncxf<mode>2 insn patterns for strict SSE math.
3714 2006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3716         * config/i386/i386.md (movsf_1): Enable pattern for standard
3717         80387 constants before reload when optimizing for size.
3718         (*movdf_nointeger, *movdf_integer): Ditto.
3719         (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3720         80387 constants before reload when not optimizing for size.
3722         (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3723         extension of XFmode input operands.
3725 2006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3727         * config/spu/crt0.c (__dso_handle): Define.
3729 2006-11-30  Kaz Kojima  <kkojima@gcc.gnu.org>
3731         * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3732         when clearing the used flags.
3734 2006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3736         * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3738 2006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3740         PR target/29945
3741         * config/spu/spu.md  (extend_compare<mode>): New pattern.
3742         (extend_compare): Change to expand and use the above pattern.
3744 2006-11-29  Janis Johnson  <janis187@us.ibm.com>
3746         * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3748         * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3749         (DFP_INIT_ROUNDMODE): Define.
3750         * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3751         * mklibgcc.in: Fix dependencies for dfp-bit.c.
3753 2006-11-29  Tehila Meyzels  <tehila@il.ibm.com>
3755         * haifa-sched.c: Remove define LINE_NOTE(INSN).  Remove line_note_head.
3756         Update documentation.
3757         (associate_line_notes_with_blocks): Kill.
3758         (extend_bb): Remove basic block argument, put void instead.
3759         Remove line number handling for each bb.
3760         (save_line_notes): Kill.
3761         (restore_line_notes): Kill.
3762         (sched_init): Remove line_note_head initialization.
3763         Change extend_bb call.
3764         (sched_finish): Remove free of line_note_head.
3765         (add_block): Change extend_bb call.
3766         * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3767         rm_line_notes and restore_line_notes calls.
3768         (schedule_ebbs): Remove rm_redundant_line_notes.
3769         * sched-int.h (struct haifa_insn_data): Remove line_note.
3770         (save_line_notes): Remove declaration.
3771         (restore_line_notes): Remove declaration.
3772         * modulo-sched.c (loop_canon_p): Update debug info printing
3773         by using insn locators instead of line note.
3774         (sms_schedule): Update debug info printing, by using insn
3775         locators instead of line note.
3776         * sched-rgn.c (debug_dependencies): Remove handling of case
3777         n>0 (line number), since it's a dead code.
3778         (schedule_region): Remove save_line_notes and
3779         restore_line_notes calls.
3781 2006-11-29  Joseph Myers  <joseph@codesourcery.com>
3783         * config/rs6000/predicates.md (gpc_reg_operand): Check
3784         invalid_e500_subreg.
3785         * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3786         SImode subregs of SPE vectors.
3787         * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3788         * jump.c (true_regnum): Require subregs to satisfy
3789         subreg_offset_representable_p.
3791 2006-11-29  Daniel Berlin  <dberlin@dberlin.org>
3792             Steven Bosscher <stevenb.gcc@gmail.com>
3794         * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3795         since it no longer exists.
3797 2006-11-29  Duncan Sands  <baldrick@free.fr>
3799         PR tree-optimization/23744
3800         * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3802 2006-11-29  Duncan Sands  <baldrick@free.fr>
3804         PR tree-optimization/23744
3805         * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3807 2006-11-29  Duncan Sands  <baldrick@free.fr>
3809         PR tree-optimization/23744
3810         * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3812 2006-11-29  Jie Zhang  <jie.zhang@analog.com>
3814         * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3816 2006-11-29  J"orn Rennecke  <joern.rennecke@st.com>
3818         * sh.opt (minline-ic_invalidate): New option.
3819         (musermode): Adjust comment.
3820         * sh.c (sh_initialize_trampoline): Emit library call unless
3821         is set; if it is set, don't emit library call if we can use icbi
3822         instead.
3823         * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3824         icbi for TARGET_SH4_300.
3825         * t-sh (LIB1ASMFUNCS_CACHE): Set.
3826         * doc/invoke.texi: Document -minline-ic_invalidate; Update
3827         -musermode documentation.
3829 2006-11-29  Jim Tison  <jtison@us.ibm.com>
3831         * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3832         __gthread_recursive_mutex_init): Define.
3834 2006-11-29  Joseph Myers  <joseph@codesourcery.com>
3836         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3837         STRICT_ALIGNMENT and the type is more aligned than the saved
3838         registers, copy via a temporary.
3840 2006-11-28  Andrew Pinski  <pinskia@gmail.com>
3842         PR tree-opt/29984
3843         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3844         and MIN_EXRP.
3846 2006-11-28  Bob Wilson  <bob.wilson@acm.org>
3848         * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3850 2006-11-28  Jan Hubicka  <jh@suse.cz>
3852         Privatize SSA variables into gimple_df.
3853         * tree-flow-inline.h
3854         (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3855         gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3856         gimple_nonlocal_all): New accessors.
3857         (first_referenced_var): Update.
3858         (mark_stmt_modified): Update.
3859         (is_call_clobbered): Update.
3860         (mark_call_clobbered): Update.
3861         (clear_call_clobbered): Update.
3862         (mark_non_addressable): Update.
3863         * tree-vrp.c (get_value_range): Update.
3864         * tree-into-ssa.c (in_ssa_p): Kill.
3865         (get_default_def_for): Update.
3866         (rewrite_into_ssa): Update.
3867         * tree-complex.c (init_parameter_lattice_values): Update.
3868         (update_complex_assignment): Update.
3869         (update_parameter_components): Update.
3870         (expand_complex_libcall): Update.
3871         (expand_complex_operations_1): Update.
3872         * tree-tailcall.c (arg_needs_copy_p): Update.
3873         (add_virtual_phis): Update.
3874         (tree_optimize_tail_calls_1): Update.
3875         * tree-ssa-dse.c (memory_ssa_name_same): Update.
3876         * tree-ssa-copyrename.c
3877         (copy_rename_partition_coalesce): Update.
3878         * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3879         * tree-ssa-propagate.c (set_rhs): Update.
3880         * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3881         addressable_vars, global_var):Kill.
3882         (set_initial_properties): Update.
3883         (init_alias_info): Update.
3884         (finalize_ref_all_pointers): Update.
3885         (setup_pointers_and_addressables): Update.
3886         (maybe_create_global_var): Update.
3887         (create_global_var): Update.
3888         (dump_points_to_info): Update.
3889         * function.h (struct gimple_df): Forward declare.
3890         (struct function): Add GIMPLE_DF field.
3891         * gimplify.c (force_gimple_operand): Update.
3892         * tree-dfa.c (referenced_vars, default_defs): KIll.
3893         (make_rename_temp): Update.
3894         (dump_variable): Update.
3895         (referenced_var_lookup): Update.
3896         (referenced_var_check_and_insert): Update.
3897         (default_def): Rename to ...
3898         (gimple_default_def): ... this one; accept cfun argument.
3899         (set_default_def): Update.
3900         * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3901         (cleanup_control_flow): Update.
3902         * tree-ssa-pre.c (compute_avail): Update
3903         * tree-ssa-live.c (calculate_live_on_entry): Update.
3904         * tree-ssa.c (verify_use): Update.
3905         (verify_call_clobbering): Update.
3906         (verify_call_clobbering): Update.
3907         (init_tree_ssa): Update.
3908         (delete_tree_ssa): Update.
3909         * tree-outof-ssa.c (coalesce_ssa_name): Update.
3910         (rewrite_out_of_ssa): Update.
3911         * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3912         (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3913         private accessors.
3914         (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3915         ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3916         addressable_vars, aliases_computed_p): Kill.
3917         (default_def): Rename to...
3918         (gimple_default_def): ... this one.
3919         (defaule_def_fn): Kill.
3920         (num_referenced_vars, ssa_names, num_ssa_names): Update.
3921         * tree-ssa-structalias.c (nonlocal_all): Kill.
3922         (get_constraint_exp_from_ssa_var): Update.
3923         (create_nonlocal_var): Update.
3924         (get_constraint_for): Update.
3925         (update_alias_info): Update.
3926         (find_global_initializers): Update.
3927         (intra_create_variable_infos): Update.
3928         (intra_create_variable_infos):
3929         (find_what_p_points_to): Update.
3930         (init_alias_heapvars): Update.
3931         * tree-cfg.c (remove_bb): Update.
3932         (gimplify_val): Update.
3933         * tree-ssa-reassoc.c (get_rank): Update.
3934         (init_reassoc): Update.
3935         * tree-ssanames.c: Do not include gt-tree-ssanames.h
3936         (ssa_names, free_ssanames): Kill.
3937         (init_ssanames): Update.
3938         (make_ssa_name): Update.
3939         (release_ssa_name): Update.
3940         (release_defs): Update.
3941         (replace_ssa_name_symbol): Update.
3942         * tree-ssa-operands.c (access_can_touch_variable): Update.
3943         (add_virtual_operand): Update.
3944         (add_call_clobber_ops): Update.
3945         (add_call_read_ops): Update.
3946         (get_call_expr_operands): Update.
3947         (get_asm_expr_operands): Update.
3949 2006-11-28  Jan Hubicka  <jh@suse.cz>
3951         * builtins.c: Include tree-flow.h.
3952         (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3953         assignment; convert memmove to memcpy for sizes greater than 1 where
3954         alignment of operands prohibit the partial overlap.
3956 2006-11-28  Jan Hubicka  <jh@suse.cz>
3958         * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3959         * cgraph.c (dump_cgraph_node): Dump stack usage.
3960         * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3961         (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3962         * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3963         * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3964         (cgraph_check_inline_limits): Limit stack growth.
3965         * cfgexpand.c: Include tree-inline.h.
3966         (account_stack_vars): New function.
3967         (expand_one_var): New param to just account the stack; return estimated
3968         size.
3969         (expand_used_vars_for_block): Update call of expand_one_var.
3970         (account_used_vars_for_block): New function.
3971         (estimated_stack_frame_size): Likewise.
3972         (init_vars_expansion, fini_vars_expansion): Break out from..
3973         (expand_used_vars): ... here.
3974         * tree-inline.h (estimated_stack_frame_size): Declare.
3975         * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3977 2006-11-28  Richard Guenther  <rguenther@suse.de>
3979         * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3980         unsigned long for printing OBJECT_SIZE.
3982 2006-11-27  Steven Bosscher  <steven@gcc.gnu.org>
3984         * alias.c (init_alias_analysis): Remove simplification loop
3985         after propagating pointers.
3987 2006-11-27  Uros Bizjak  <ubizjak@gmail.com>
3989         * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3990         and m_GENERIC64.
3992 2006-11-27  Bob Wilson  <bob.wilson@acm.org>
3994         * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3996 2006-11-27  Roger Sayle  <roger@eyesopen.com>
3997             Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3999         * c-common.c (constant_fits_type_p): Delete.
4000         (unsigned_conversion_warning): Delete.
4001         (conversion_warning): Integrate Wconversion warning from
4002         unsigned_conversion_warning.
4003         (convert_and_check): Integrate Woverflow warning from
4004         unsigned_conversion_warning.  Reorganize and simplify to avoid
4005         dependence upon the middle-end setting TREE_OVERFLOW on integral
4006         conversions, by using int_fits_type_p directly.
4008 2006-11-27  Tobias Burnus  <burnus@net-b.de>
4010         * doc/invoke.texi: Fixed typo.
4012 2006-11-27  Michael Matz  <matz@suse.de>
4013             Andreas Krebbel  <krebbel1@de.ibm.com>
4015         PR target/29319
4016         * config/s390/predicates.md (larl_operand): Check addend of larl
4017         operand to be in range of -/+2GB.
4018         * config/s390/s390.c (legitimize_pic_address): Likewise.
4019         Changed type of variable even to HOST_WIDE_INT.
4021 2006-11-27  Jan Hubicka  <jh@suse.cz>
4023         * expr.c (emit_block_move_via_libcall): Export.
4024         (clear_storage_via_libcall): Rename to ...
4025         (set_storage_via_libcall): ... this one; handle arbitrary value to set.
4026         (clear_storage): Update to set_storage_via_libcall.
4027         * expr.h (emit_block_move_via_libcall): Declare
4028         * config/i386/i386.h (stringop_alg): New enum.
4029         (MAX_STRINGOP_ALGS): New constant.
4030         (stringop_algs): New struct.
4031         (processor_costs): Add memcpy/memset descriptors.
4032         (TARGET_REP_MOVEL_OPTIMAL): Remove.
4033         * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
4034         (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
4035         for memset.
4036         * config/i386/i386.opt (minline-stringops-dynamically,
4037         mstringop-strategy): New
4038         parameters.
4039         * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
4040         (ix86_expand-clrmem): Rename to ...
4041         (ix86_expand_setmem): ... this one; update prototype.
4042         * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
4043         (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
4044         geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
4045         nocona_cost, core2_cost, generic_cost, generic64_cost,
4046         generic32_cost): Add memcpy/memset descriptors.
4047         (x86_rep_movl_optimal): Remove.
4048         (stringop_alg): New static variable.
4049         (ix86_expand_aligntest): Handle predictions.
4050         (override_options): Add strgop_alg handling.
4051         (predict_jump): New function.
4052         (scale_counter): New function.
4053         (expand_set_or_movmem_via_loop): New function.
4054         (expand_movmem_via_rep_mov): New function.
4055         (expand_setmem_via_rep_stots): New function.
4056         (emit_strmov): New function.
4057         (expand_movmem_epilogue): New function.
4058         (expand_setmem_epilogue_via_loop): New function.
4059         (expand_setmem_epilogue): New function.
4060         (expand_movmem_prologue): New function.
4061         (expand_setmem_prologue): New function.
4062         (decide_alg): New function.
4063         (decide_alignment): New function.
4064         (ix86_exand_movmem): Rewrite.
4065         (promote_duplicated_reg): New function.
4066         (ix86_expand_clrmem): Rename to ...
4067         (ix86_expand_setmem): ... this one. Rewrite.
4069         * invoke.texi (minline-stringops-dynamically): New command line option.
4070         (mstringop-strategy): Likewise.
4072 2006-11-27  Jan Hubicka  <jh@suse.cz>
4074         * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
4075         * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
4076         * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
4077         * insn-notes.def (FUNCTION_END): Remove.
4078         * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
4079         (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
4080         note.
4081         * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
4082         * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
4083         * cfglayout.c (duplicate_insn_chain): Don't worry about
4084         NOTE_FUNCTION_END.
4086 2006-11-27  Richard Guenther  <rguenther@suse.de>
4087             Zdenek Dvorak <dvorakz@suse.cz>
4089         * target.h (struct gcc_target): Add builtin_vectorized_function
4090         target hook.
4091         * target-def.h (TARGET_VECTORIZE): Likewise.
4092         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4093         Document new target hook.
4094         * targhooks.h (default_builtin_vectorized_function): Declare.
4095         * targhooks.c (default_builtin_vectorized_function): Define.
4096         * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
4097         (vectorizable_call): Declare.
4098         * tree-vect-analyze.c (vect_analyze_operations): Call
4099         vectorizable_call.
4100         * tree-vect-transform.c (vectorizable_function): New static function.
4101         (build_vectorized_function_call): Likewise.
4102         (vectorizable_call): New function.
4103         (vect_transform_stmt): Handle vectorizable calls.
4105 2006-11-27  Richard Guenther  <rguenther@suse.de>
4107         PR middle-end/25620
4108         * builtins.c (expand_builtin_pow): Optimize non integer valued
4109         constant exponents using sqrt or cbrt if possible.  Always fall back
4110         to expanding via optabs.
4112 2006-11-27  Ira Rosen  <irar@il.ibm.com>
4114         PR tree-optimization/22372
4115         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
4116         the type of the base address.
4117         (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
4118         it in the data-ref pointer creation.
4119         (vect_init_vector): Add an argument, type of the init vector. Use it in
4120         the stmt creation.
4121         (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
4122         (get_initial_def_for_reduction): Likewise.
4123         (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
4124         void_type_node.
4125         (vectorizable_assignment, vect_permute_store_chain): Likewise.
4126         (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
4127         correct type in stmt creation.
4128         (vect_setup_realignment): Use the correct type in stmt creation.
4129         (vect_permute_load_chain): Change type of MODIFY_EXPR to
4130         void_type_node.
4131         (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
4132         of MODIFY_EXPR to void_type_node.
4133         (vectorizable_condition): Change type of MODIFY_EXPR to
4134         void_type_node.
4135         (vect_update_ivs_after_vectorizer): Use the correct type in stmt
4136         creation.
4138 2006-11-27  Uros Bizjak  <ubizjak@gmail.com>
4140         Revert:
4141         2006-05-08  Uros Bizjak  <uros@kss-loka.si>
4142         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4143         standard 80387 constants, raise the cost to prevent
4144         compress_float_constant() to generate load from memory.
4146         * config/i386/i386.md: Add new splitter pattern to split
4147         float_extended load of constant from constant pool into
4148         pure constant load.
4150 2006-11-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4152         * doc/install.texi: Move GMP/MPFR configure options from Fortran
4153         section to general section.  Remove documentation for
4154         --with-mpfr-dir and --with-gmp-dir, add documentation for
4155         --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
4156         --with-gmp-lib.
4158         * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
4160 2006-11-26  Razya Ladklesky  <razya@il.ibm.com>
4162         * testsuite/gcc.dg/ipa/ipa-6.c: New.
4164 2006-11-26  Razya Ladklesky  <razya@il.ibm.com>
4166         PR tree-optimization/29122
4167         * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
4168         for the new version.  Assign NULL to DECL_RTL of the new version.
4170 2006-11-25  Uros Bizjak  <ubizjak@gmail.com>
4172         * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
4174 2006-11-25  Steven Bosscher  <steven@gcc.gnu.org>
4176         * cse.c (cse_altered): Remove.
4177         (record_jump_equiv): Make true/false argument a bool instead
4178         of an int.
4179         (cse_insn): Don't set cse_altered.  Use delete_insn_and_edges
4180         where appropriate.  Emit a new jump before the existing one
4181         instead of after so that delete_insn_and_edges removes the
4182         dead edges properly.  Check any_condjump_p before calling
4183         record_jump_equiv.
4184         (cse_basic_block): Check any_condjump_p before calling
4185         record_jump_equiv.
4186         (cse_main): Don't set/check cse_altered.  Remove USE_C_ALLOCA.
4188 2006-11-25  Brooks Moses  <brooks.moses@codesourcery.com>
4190         * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
4191         -ffixed-line-length-* options.
4193 2006-11-25  Uros Bizjak  <ubizjak@gmail.com>
4195         * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
4196         (fprem1xf4): Rename to fprem1xf4_i387.
4198         (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
4199         Rename patterns to fmod<mode>3.  Use general_operand operand
4200         constraint for operands 1 and 2.  Use SSE_FLOAT_MODE_P to disable
4201         patterns for SSE math.
4202         (remaindersf3, remainderdf3): Ditto.
4204 2006-11-25  Joseph Myers  <joseph@codesourcery.com>
4206         * function.c (instantiate_virtual_regs_in_insn): Call force_reg
4207         inside start_sequence / end_sequence pair.
4209 2006-11-25  Steven Bosscher  <steven@gcc.gnu.org>
4211         * jump.c (mark_all_labels): Work in cfglayout mode.
4212         * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
4213         when in cfglayout mode, because there are no dead jumptables
4214         visible.
4215         * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
4216         in cfglayout mode.
4217         (commit_edge_insertions): Do not allow insertion of instructions
4218         with control flow insns when in cfglayout mode.
4220 2006-11-25  Zdenek Dvorak <dvorakz@suse.cz>
4222         * tree-vrp.c (execute_vrp): Do not pass loops structure through
4223         arguments.
4224         * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
4225         unswitch_loop): Ditto.
4226         * tree-loop-linear.c (linear_transform_loops): Ditto.
4227         * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
4228         tree_ssa_lim): Ditto.
4229         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
4230         free_numbers_of_iterations_estimates): Ditto.
4231         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
4232         tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
4233         * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
4234         remove_path, add_loop, loopify, unloop, fix_loop_placements,
4235         place_new_loop, duplicate_loop, duplicate_subloops,
4236         update_single_exit_for_duplicated_loops, copy_loops_to,
4237         duplicate_loop_to_header_edge, create_preheaders,
4238         force_single_succ_latches, loop_version, fix_loop_structure):
4239         Ditto.
4240         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
4241         tree_unroll_loop): Ditto.
4242         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4243         * tree-scalar-evolution.c (select_loops_exit_conditions,
4244         scev_initialize, scev_analysis): Ditto.
4245         * tree-scalar-evolution.h (scev_initialize): Ditto.
4246         * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
4247         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
4248         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
4249         * modulo-sched.c (sms_schedule): Ditto.
4250         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4251         * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
4252         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
4253         * ifcvt.c (if_convert): Ditto.
4254         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
4255         canonicalize_loop_induction_variables,
4256         canonicalize_induction_variables,
4257         tree_unroll_loops_completely, remove_empty_loops): Ditto.
4258         * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
4259         tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
4260         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4261         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
4262         tree_ssa_loop_done): Ditto.
4263         * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
4264         estimate_bb_frequencies): Ditto.
4265         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
4266         slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
4267         * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
4268         decide_unrolling_and_peeling, peel_loop_completely,
4269         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4270         peel_loop_simple, unroll_loop_stupid): Ditto.
4271         * loop-doloop.c (doloop_optimize_loops): Ditto.
4272         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
4273         * loop-invariant.c (move_loop_invariants): Ditto.
4274         * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
4275         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
4276         tree_ssa_prefetch_arrays): Ditto.
4277         * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
4278         Ditto.
4279         * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
4280         vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
4281         * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
4282         mark_single_exit_loops, cancel_loop, cancel_loop_tree,
4283         verify_loop_structure): Ditto.
4284         * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
4285         canonicalize_induction_variables, tree_unroll_loops_completely,
4286         tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4287         estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4288         tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4289         tree_unroll_loop, linear_transform_loops): Declaration changed.
4290         * basic-block.h: Remove declaration of struct loops.
4291         * cfghooks.h (struct cfg_hooks): Change type of
4292         cfg_hook_duplicate_loop_to_header_edge.
4293         (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4294         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4295         vect_transform_loop): Declaration changed.
4296         * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4297         * cfgloop.h (flow_loops_dump, fix_loop_structure,
4298         mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4299         cancel_loop_tree, create_preheaders, force_single_succ_latches,
4300         verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4301         loopify, loop_version, remove_path, unswitch_loops,
4302         unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4303         Declaration changed.
4305 2006-11-24  Uros Bizjak  <ubizjak@gmail.com>
4307         * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4308         (X87MODEF): New mode macro.
4309         (ssemodefsuffix): New mode attribute.
4310         (truncxf<mode>2_i387_noop_unspec): New insn pattern.
4311         (sqrt_extend<mode>xf2_i387): New insn pattern.
4312         (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4313         insn and truncate result back to original mode using
4314         UNSPEC_TRUNC_NOOP truncation.
4315         (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4316         ssemodefsuffix mode attribute.
4317         (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4318         (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4319         (*sqrtextenddfxf2_i387): Remove insn patterns.
4321         (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4322         truncation patterns.
4324         * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4326 2006-11-24  Jakub Jelinek  <jakub@redhat.com>
4328         PR c/29955
4329         * c-tree.h (c_maybe_initialize_eh): New prototype.
4330         * c-decl.c (finish_decl): Move EH initialization...
4331         (c_maybe_initialize_eh): ... here.  New function.
4332         * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4333         if not #pragma omp atomic.
4335         PR c/29736
4336         * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4337         or UNION_TYPE inner types.
4339 2006-11-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4341         PR tree-opt/29964
4342         * ipa-pure-const.c (check_tree): If the original tree
4343         is volatile return early and say the function is not pure
4344         nor const.  Remove the volatile check for writes.
4345         (analyze_function): Print out the result of the local
4346         analysis pass.
4348 2006-11-24  Joseph Myers  <joseph@codesourcery.com>
4350         * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4351         MASK_STRICT_ALIGN.
4352         * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4353         * config/rs6000/rs6000.c (rs6000_override_options): Use
4354         MASK_STRICT_ALIGN for 8540 and 8548.  Add MASK_STRICT_ALIGN to
4355         POWERPC_MASKS.
4357 2006-11-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4359         * config/s390.c (s390_emit_compare_and_swap): New function.
4360         (s390_expand_cs_hqi, s390_expand_atomic): Call
4361         s390_emit_compare_and_swap.
4363 2006-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4365         * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4367 2006-11-24  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4369         PR c/2707
4370         PR c++/26167
4371         * c-common.c (conversion_warning): New.
4372         (convert_and_check): Call conversion_warning unless there is an
4373         overflow warning.
4374         * doc/invoke.texi (-Wconversion): Update description.
4376 2006-11-23  Daniel Berlin  <dberlin@dberlin.org>
4378         * tree-ssa-alias.c (tree_pointer_compare): New function.
4379         (compact_name_tags): New function.
4380         (group_aliases): Call compact_name_tags.
4382 2006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4384         * real.h (real_isinteger): Declare.
4385         * real.c (real_isinteger): Define.
4386         * builtins.c (integer_valued_real_p): Use it.
4388 2006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4390         PR c/9072
4391         * c.opt (Wtraditional-conversion): New.
4392         (Wconversion): Update description.
4393         * c-typeck.c (convert_arguments): Warnings for prototypes causing
4394         type conversions different from what would happen in the absence
4395         of prototype are now handled by Wtraditional-conversion.
4396         * doc/invoke.texi (Wtraditional-conversion): New.
4397         (Wconversion): Update description.
4398         * doc/trouble.texi (Wconversion): Replace Wconversion by
4399         Wtraditional-conversion.
4401 2006-11-23  Andrew Pinski  <pinskia@gmail.com>
4403         * predict.c (tree_estimate_probability): Check to make
4404         sure current_loops is non null before calling flow_loops_dump.
4406 2006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4408         * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4410 2006-11-23  David Ung  <davidu@mips.com>
4412         * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4413         combination.
4414         (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4415         (ASM_SPEC): Pass along -mfp32 and -mfp64.
4416         * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4417         high part of FP register when in 64-bit FP register mode.  Similarly
4418         use gen_mfhc1 to load high part of FP register.
4419         (override_options): Allow -mgp32 and -mfp64 combination if
4420         ISA_HAS_MXHC1 (currently for O32 only).
4421         (mips_cannot_change_mode_class): If floating-point registers are
4422         bigger than word size. disallow conversion of float register from a
4423         large integer mode to a float mode smaller than the float register
4424         size.
4425         (mips_class_max_nregs): Handle float registers case seperately.
4426         * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4427         UNSPEC_MTHC1.
4428         (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4429         (movdf_hardfloat_32bit): Similarly.
4430         (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4431         support a full 64-bit fpu.
4432         (mthc1): New pattern to generate MTHC1 instruction.
4433         (mfhc1): New pattern to generate MFHC1 instruction.
4434         * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4435         option for the MIPS32R2 and mention its use under O32 ABI.
4437 2006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4439         * var-tracking.c (emit_note_insn_var_location): Take care not to
4440         cause verify_flow_info failures.
4442 2006-11-22  Daniel Berlin  <dberlin@dberlin.org>
4444         * tree-ssa-structalias.c: Remove edge weights in favor of just
4445         processing them as complex constraints.
4446         (struct constraint_graph): Remove weighted succs and preds. Rename
4447         nonweighted succs and preds.
4448         (constraint_edge): Removed.
4449         (constraint_edge_t): Ditto.
4450         (constraint_edge_pool): Ditto.
4451         (new_constraint_edge): Ditto.
4452         (constraint_edge_equal): Ditto.
4453         (constraint_edge_less): Ditto.
4454         (constraint_edge_vec_find): Ditto.
4455         (erase_self_graph_edge): Ditto.
4456         (add_graph_edge): Removed.
4457         (get_graph_weights): Ditto.
4458         (allocate_graph_weights): Ditto.
4459         (valid_weighted_graph_edge): Ditto
4460         (bitmap_other_than_zero_bit_set): Ditto.
4461         (int_add_graph_edge): Renamed to add_graph_edge.
4462         (clear_edges_for_node): Remove support for weighted edges.
4463         (merge_graph_nodes): Ditto.
4464         (valid_graph_edge): Ditto.
4465         (build_constraint_graph): Ditto.
4466         (scc_visit): Ditto.
4467         (collapse_nodes): Ditto.
4468         (process_unification_queue): Ditto.
4469         (topo_visit): Ditto.
4470         (do_ds_constraint): Ditto.
4471         (perform_var_subsitution): Ditto.
4472         (solve_graph): Ditto.
4473         (init_alias_vars): Ditto.
4474         (delete_points_to_sets): Ditto.
4475         (do_complex_constraint): Support offsetted copies here.
4477 2006-11-23  Ulrich Weigand  <uweigand@de.ibm.com>
4479         * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4480         SPU_RdEventMask.
4481         * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4483         * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4484         of size bitfield.
4486 2006-11-23  Ben Elliston  <bje@au.ibm.com>
4488         * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4490 2006-11-23  Zdenek Dvorak <dvorakz@suse.cz>
4492         PR tree-optimization/29921
4493         * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4494         signed and unsigned zero equal.
4496 2006-11-22  Peter Bergner  <bergner@vnet.ibm.com>
4498         * config/rs6000/rs6000.c (get_store_dest): New.
4499         (adjacent_mem_locations): Use get_store_dest() to get
4500         the rtl of the store destination.
4502 2006-11-22  Joseph Myers  <joseph@codesourcery.com>
4504         * config/rs6000/spe.md (SPE64): New mode macro.
4505         (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0.  Add
4506         memory load.
4507         (mov_si<mode>_e500_subreg0_2): New.
4508         (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4.  Add
4509         memory load.
4510         (mov_si<mode>_e500_subreg4_2): New.
4511         * config/rs6000/predicates.md (input_operand): Do not allow
4512         invalid E500 subregs.
4513         (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4514         if TARGET_SPE.
4515         * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4516         involving DFmode if TARGET_E500_DOUBLE.  Check for subregs
4517         involving vector modes if TARGET_SPE.
4519 2006-11-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4521         Revert
4522         2006-11-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4523         * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4525 2006-11-22  Bernd Schmidt  <bernd.schmidt@analog.com>
4527         * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4528         mem_i_address_operand): New predicates.
4529         * config/bfin/bfin.c (bfin_issue_rate): New function.
4530         (TARGET_SCHED_ISSUE_RATE): New macro.
4531         * config/bfin/bfin.md (addrtype): New attribute.
4532         (slot0, slot1, slot2, store, pregs): New cpu_units.
4533         (core): Now a define_reservation.
4534         (alu): Remove some insn types from this reservation.
4535         (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4536         insn reservations.
4537         (dummy reservation): Don't trigger for mcld insns.
4538         (absence_sets): Two new absence sets to enforce slot ordering.
4539         (popsi_insn): Set addrtype.
4541 2006-11-22  Ira Rosen  <irar@il.ibm.com>
4543         * doc/c-tree.texi: Document new tree codes.
4544         * doc/md.texi: Document new optabs.
4545         * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4546         codes.
4547         * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4548         * optabs.h (optab_index): Add new.
4549         (vec_extract_even_optab, vec_extract_odd_optab,
4550         vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4551         * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4552         vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4553         new optabs.
4554         * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4555         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4556         * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4557         along with macros for their access.
4558         * tree-data-ref.h (first_location_in_loop, data_reference): Update
4559         comment.
4560         * tree-vect-analyze.c (toplev.h): Include.
4561         (vect_determine_vectorization_factor): Fix indentation.
4562         (vect_insert_into_interleaving_chain,
4563         vect_update_interleaving_chain, vect_equal_offsets): New functions.
4564         (vect_analyze_data_ref_dependence): Add argument for interleaving
4565         check. Check for interleaving if it's true.
4566         (vect_check_dependences): New function.
4567         (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4568         every ddr. Call vect_analyze_data_ref_dependence with new argument.
4569         (vect_update_misalignment_for_peel): Update for interleaving.
4570         (vect_verify_datarefs_alignment): Check only first data-ref for
4571         interleaving.
4572         (vect_enhance_data_refs_alignment): Update for interleaving. Check
4573         only first data-ref for interleaving.
4574         (vect_analyze_data_ref_access): Check interleaving, update
4575         interleaving data.
4576         (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4577         with different parameters.
4578         * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4579         VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4580         * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4581         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4582         Update step in case of interleaving.
4583         (vect_strided_store_supported, vect_permute_store_chain): New
4584         functions.
4585         (vectorizable_store): Handle strided stores.
4586         (vect_strided_load_supported, vect_permute_load_chain,
4587         vect_transform_strided_load): New functions.
4588         (vectorizable_load): Handle strided loads.
4589         (vect_transform_stmt): Add argument. Handle strided stores. Check
4590         that vectorized stmt exists for patterns.
4591         (vect_gen_niters_for_prolog_loop): Update calculation for
4592         interleaving.
4593         (vect_transform_loop): Remove stmt_vec_info for strided stores after
4594         whole chain vectorization.
4595         * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4596         UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4597         (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4598         vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4599         vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4601 2006-11-22  Steven Bosscher  <steven@gcc.gnu.org>
4603         * cse.c (enum taken): Remove PATH_AROUND.
4604         (addr_affects_sp_p, invalidate_skipped_set,
4605         invalidate_skipped_block): Remove.
4606         (cse_end_of_basic_block): Remove skip_blocks and related code.
4607         (cse_main): Don't test for flag_cse_skip_blocks.
4608         Update cse_end_of_basic_block call.
4609         (cse_basic_block): Likewise.  Remove PATH_AROUND case.  Remove
4610         code to lengthen the path if a jump was simplified.
4612 2006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4614         PR rtl-optimization/29924
4615         * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4616         (unroll_loop_runtime_iterations): Assert that the argument passed to
4617         split_edge_and_insert is not NULL.
4618         * loop-doloop.c (add_test): Ditto.
4620 2006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4622         * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4623         functions.
4624         * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4625         * cfgloopmanip.c (update_single_exits_after_duplication,
4626         update_single_exit_for_duplicated_loop, loop_version): Ditto.
4627         * tree-scalar-evolution.c (get_loop_exit_condition,
4628         get_exit_conditions_rec, loop_closed_phi_def,
4629         number_of_iterations_in_loop, scev_const_prop): Ditto.
4630         * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4631         * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4632         Ditto.
4633         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4634         Ditto.
4635         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4636         slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4637         slpeel_make_loop_iterate_ntimes,
4638         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4639         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4640         Ditto.
4641         * tree-if-conv.c (if_convertible_loop_p): Ditto.
4642         * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4643         vect_analyze_loop_form): Ditto.
4644         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4645         can_convert_to_perfect_nest, perfect_nestify): Ditto.
4646         * tree-vect-transform.c (vect_create_epilog_for_reduction,
4647         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4648         vect_transform_loop): Ditto.
4649         * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4650         (single_exit, set_single_exit): New functions.
4651         * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4652         (single_exit, set_single_exit): Declare.
4653         * doc/loop.texi: Undocument single_exit field.  Document single_exit
4654         accessor function.
4656 2006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4658         PR tree-optimization/29902
4659         * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4660         any involved ssa name appears in abnormal phi node.
4662 2006-11-21  Bob Wilson  <bob.wilson@acm.org>
4664         * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4665         (xtensa_const_ok_for_letter_p): Delete.
4666         (xtensa_extra_constraint): Delete.
4667         (override_options): Delete xtensa_char_to_class initialization.
4668         * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4669         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4670         (EXTRA_CONSTRAINT): Delete.
4671         * config/xtensa/xtensa.md: Include constraints.md.
4672         (call_internal): Combine alternatives.
4673         (call_value_internal): Likewise, and remove invalid constraints.
4674         * config/xtensa/constraints.md: New file.
4675         * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4676         (xtensa_extra_constraint): Delete.
4677         * doc/md.texi (Machine Constraints): Refer to constraints.md for
4678         Xtensa constraints.
4680 2006-11-21  Janis Johnson  <janis187@us.ibm.com>
4682         * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4683         of conversion that doesn't fit.
4685         * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4686         * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4687         DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4689         * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4691 2006-11-21  Douglas Gregor <doug.gregor@gmail.com>
4693         * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4695 2006-11-21  Richard Guenther  <rguenther@suse.de>
4697         * tree-vectorizer.h (NUM_PATTERNS): Increase.
4698         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4699         vect_recog_pow_pattern.
4700         (vect_recog_pow_pattern): New function.
4702 2006-11-21  Bernd Schmidt  <bernd.schmidt@analog.com>
4704         * config/bfin/bfin.opt (mstack-check-l1): New.
4705         * doc/invoke.texi (Blackfin Options): Document it.
4706         * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4707         stack bounds in L1 memory if the new option is enabled.
4708         (override_options): Don't allow combinations of -fstack-limit and
4709         -mstack-check-l1.
4710         (add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
4711         dead code.
4713         * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4714         regs for DImode.
4715         (bfin_register_move_cost): Bump costs if trying to move plain
4716         integer values through accumulators.
4718 2006-11-21  Ben Elliston  <bje@au.ibm.com>
4720         * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4722 2006-11-20  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4723             Russell Olsen <Russell_Olsen@playstation.sony.com>
4724             Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4725             Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4726             Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4727             Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4728             Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4730         * config.gcc: Add target for SPU.
4731         * config/spu/constraints.md: New file.
4732         * config/spu/crt0.c: New file.
4733         * config/spu/crtend.c: New file.
4734         * config/spu/crti.asm: New file.
4735         * config/spu/crtn.asm: New file.
4736         * config/spu/float_unsdidf.c: New file.
4737         * config/spu/float_unssidf.c: New file.
4738         * config/spu/predicates.md: New file.
4739         * config/spu/spu-builtins.def: New file.
4740         * config/spu/spu-builtins.h: New file.
4741         * config/spu/spu-builtins.md: New file.
4742         * config/spu/spu-c.c: New file.
4743         * config/spu/spu-elf.h: New file.
4744         * config/spu/spu-modes.def: New file.
4745         * config/spu/spu-protos.h: New file.
4746         * config/spu/spu.c: New file.
4747         * config/spu/spu.h: New file.
4748         * config/spu/spu.md: New file.
4749         * config/spu/spu.opt: New file.
4750         * config/spu/spu_internals.h: New file.
4751         * config/spu/spu_intrinsics.h: New file.
4752         * config/spu/spu_mfcio.h: New file.
4753         * config/spu/t-spu-elf: New file.
4754         * config/spu/vec_types.h: New file.
4755         * config/spu/vmx2spu.h: New file.
4756         * doc/contrib.texi: Document SPU contributor.
4757         * doc/extend.texi: Document SPU extensions.
4758         * doc/invoke.texi: Document SPU options.
4759         * doc/md.texi: Document SPU constraints.
4761 2006-11-21  Zdenek Dvorak <dvorakz@suse.cz>
4763         * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4764         of the loop.
4765         * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4766         Removed.
4767         (flow_loop_dump): Do not dump loop level.
4768         (flow_loops_find): Do not call flow_loops_level_compute.
4769         * cfgloop.h (struct loop): Remove level field.
4771 2006-11-21  Zdenek Dvorak <dvorakz@suse.cz>
4773         * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4774         hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4775         Use vector of edges instead of array.
4776         * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4777         estimate_numbers_of_iterations_loop): Ditto.
4778         * predict.c (predict_loops): Ditto.
4779         * loop-unroll.c (analyze_insns_in_loop): Ditto.
4780         * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4781         edge vectors.
4782         * basic-block.h: Declare heap allocation for edge vectors.
4783         * tree-outof-ssa.c: Ditto.
4784         * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4785         * cfgloop.h (get_loop_exit_edges): Declaration changed.
4787 2006-11-20  Zack Weinberg  <zackw@panix.com>
4789         * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4790         Add another out parameter, "skip".
4791         (set_gc_used_type): Adjust calls to process_gc_options.  If a field
4792         is tagged "skip", do not mark its type used.
4794 2006-11-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4796         PR tree-opt/25500
4797         * tree-sra.c (single_scalar_field_in_record_p): New function.
4798         (decide_block_copy): Use it.
4800 2006-11-20  David Daney  <ddaney@avtrex.com>
4802         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4803         PC to point to following instruction.
4805 2006-11-20  Anatoly Sokolov <aesok@post.ru>
4807         PR target/18553
4808         PR target/29449
4809         * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4811         * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4813 2006-11-20  J"orn Rennecke  <joern.rennecke@st.com>
4815         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4816         Add sh/superh.h to tm_file.
4818 2006-11-20  Carlos O'Donell  <carlos@codesourcery.com>
4819             Mark Mitchell  <mark@codesourcery.com>
4821         * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4822         gcc_exec_prefix.
4823         (cpp_relocated): New function.
4824         * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4825         and cpp_relocated.
4826         * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4827         * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4828         replace configured prefix with gcc_exec_prefix.
4830 2006-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4832         * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4833         bfin_legitimate_constant_p.
4834         * config/bfin/bfin.md (movsi expander): Check return value of
4835         expand_mvoe.
4836         * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4837         (expand_move): Adjust prototype.
4838         * config/bfin/bfin.c (expand_move): Now returns bool.  Handle
4839         invalid constants specially.
4840         (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4841         functions.
4842         (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4844         * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4845         sibcall_value_symbol): Allow these patterns if
4846         TARGET_LEAF_ID_SHARED_LIBRARY.
4847         * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4848         (override_options): Turn on id shared library flags if -msep-data,
4849         but disallow the combination of these options on the command line.
4850         * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4851         MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4852         (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4853         -mid-shared-library.
4854         (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4855         * doc/invoke.texi (Blackfin Options): Document new switches.
4857         * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4858         edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4860         * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4861         inflate costs for addresses with an out-of-bounds address.
4863 2006-11-19  Andrew Pinski  <pinskia@gmail.com>
4865         PR rtl-opt/29879
4866         * fwprop.c (loops): Remove.
4867         (forward_propagate_into): Use current_loops instead of
4868         loops.
4869         (fwprop_init): Call loop_optimizer_init instead of
4870         flow_loops_find.
4871         (fwprop_done): Call loop_optimizer_finalize instead of
4872         flow_loops_free.
4873         (fwprop): Use current_loops instead of loops.
4875 2006-11-19  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4877         PR c++/8586
4878         * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4880 2006-11-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4882         PR target/29114
4883         * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4884         larger than BITS_PER_WORD.
4886 2006-11-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4888         PR fortran/27885
4889         PR middle-end/28176
4890         * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4891         to MAX_FIXED_MODE_SIZE.
4893 2006-11-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4895         * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4896         (fold_builtin_fmin_fmax): New.
4897         (fold_builtin_1): Use it.
4899         * fold-const.c (fold_strip_sign_ops): Handle copysign.
4901 2006-11-18  Richard Guenther  <rguenther@suse.de>
4903         * config/i386/i386.c (ix86_builtins): New array for ix86
4904         builtin function decls.
4905         (def_builtin): New function.
4906         (def_builtin_const): Likewise.
4907         (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4909 2006-11-18  Vladimir Makarov  <vmakarov@redhat.com>
4911         * doc/invoke.texi (core2): Add item.
4913         * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4914         macros.
4915         (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4916         (TARGET_CPU_DEFAULT_generic): Change value.
4917         (TARGET_CPU_DEFAULT_NAMES): Add core2.
4918         (processor_type): Add new constant PROCESSOR_CORE2.
4920         * config/i386/i386.md (cpu): Add core2.
4922         * config/i386/i386.c (core2_cost): New initialized variable.
4923         (m_CORE2): New macro.
4924         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4925         x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4926         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4927         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4928         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4929         x86_accumulate_outgoing_args, x86_prologue_using_move,
4930         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4931         x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4932         x86_use_incdec, x86_four_jump_limit, x86_schedule,
4933         x86_pad_returns): Add m_CORE2.
4934         (override_options): Add entries for Core2.
4935         (ix86_issue_rate): Add case for Core2.
4937 2006-11-18  Aldy Hernandez  <aldyh@redhat.com>
4939         * doc/invoke.texi: Fix mno-isel typo.
4941 2006-11-18  Joseph Myers  <joseph@codesourcery.com>
4943         * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4944         easy vector constant loads.
4946 2006-11-18  Joseph Myers  <joseph@codesourcery.com>
4948         * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4949         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4950         __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4951         * config/rs6000/sync.md (lwsync): Emit plain sync if
4952         TARGET_NO_LWSYNC.
4954 2006-11-17  DJ Delorie  <dj@redhat.com>
4956         * reload1.c (reloads_unique_chain): New.
4957         (reloads_conflict): Call it.
4959 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4961         * config/xtensa/predicates.md (addsubx_operand): New.
4962         * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4963         (xtensa_emit_bit_branch): New.
4964         (xtensa_emit_movcc): New.
4965         * config/xtensa/xtensa.md (any_minmax): New code macro.
4966         (minmax): New code attribute.
4967         (any_cond, any_scc, any_scc_sf): New code macros.
4968         (*addx2, *addx4, *addx8): Delete.
4969         (*addx): New.
4970         (*subx2, *subx4, *subx8): Delete.
4971         (*subx): New.
4972         (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4973         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4974         (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4975         (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4976         (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4977         (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4978         (movsfcc_internal0, movsfcc_internal1): Likewise.
4979         (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4980         * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4981         (xtensa_emit_bit_branch): New.
4982         (xtensa_emit_movcc): New.
4983         (function_arg_boundary): Add missing prototype.
4985 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4987         * config/xtensa/xtensa.md (tstsi): Delete
4989 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4991         * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4993 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4995         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4997 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4999         * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
5001 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5003         * tree-vrp.c (execute_vrp): Do not update current_loops.
5004         * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
5005         * doc/loop.texi: Remove documentation for cancelled functions.
5006         * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
5007         (move_computations, determine_lsm): Use bsi_commit_edge_inserts
5008         instead.
5009         * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
5010         (remove_path): Ensure that in delete_basic_blocks, the loops
5011         are still allocated.
5012         (add_loop): Work on valid loop structures.
5013         (loopify): Modify call of add_loop.
5014         (mfb_update_loops): Removed.
5015         (create_preheader): Do not update loops explicitly.
5016         (force_single_succ_latches, loop_version): Do not use
5017         loop_split_edge_with.
5018         (loop_split_edge_with): Removed.
5019         * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
5020         Do not use bsi_insert_on_edge_immediate_loop.
5021         (split_loop_exit_edge, tree_unroll_loop): Do not use
5022         loop_split_edge_with.
5023         (bsi_insert_on_edge_immediate_loop): Removed.
5024         * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops.  Do not
5025         use loop_split_edge_with.
5026         * cfghooks.c: Include cfgloop.h.
5027         (verify_flow_info): Verify that loop_father is filled iff current_loops
5028         are available.
5029         (redirect_edge_and_branch_force, split_block, delete_basic_block,
5030         split_edge, merge_blocks, make_forwarder_block, duplicate_block):
5031         Update cfg.
5032         * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
5033         no loops.
5034         * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
5035         loop_split_edge_with.
5036         (sms_schedule): Use current_loops.
5037         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
5038         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
5039         current_loops.
5040         (rtl_loop_init, rtl_loop_done): Do not set current_loops.
5041         * tree-ssa-sink.c (execute_sink_code): Use current_loops.
5042         * ifcvt.c (if_convert): Ditto.
5043         * predict.c (predict_loops): Do not clear current_loops.
5044         (tree_estimate_probability): Use current_loops.
5045         (propagate_freq): Receive head of the region to propagate instead of
5046         loop.
5047         (estimate_loops_at_level): Do not use shared to_visit bitmap.
5048         (estimate_loops): New function.  Handle case current_loops == NULL.
5049         (estimate_bb_frequencies): Do not allocate tovisit.  Use
5050         estimate_loops.
5051         * tree-ssa-loop.c (current_loops): Removed.
5052         (tree_loop_optimizer_init): Do not return loops.
5053         (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
5054         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
5055         slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
5056         Do not update loops explicitly.
5057         * function.h (struct function): Add x_current_loops field.
5058         (current_loops): New macro.
5059         * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
5060         * loop-unroll.c (split_edge_and_insert): New function.
5061         (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
5062         use loop_split_edge_with.
5063         * loop-doloop.c (add_test, doloop_modify): Ditto.
5064         * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
5065         * cfglayout.c (copy_bbs): Do not update loops explicitly.
5066         * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
5067         * tree-vect-transform.c (vect_transform_loop): Do not update loops
5068         explicitly.
5069         * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
5070         (flow_loops_free): Do not free dfs_order and rc_order.
5071         (flow_loops_find): Do not set dfs_order and rc_order in loops
5072         structure.  Do not call loops and flow info verification.
5073         (add_bb_to_loop, remove_bb_from_loops): Check whether the block
5074         already belongs to some loop.
5075         * cfgloop.h (struct loops): Remove struct cfg.
5076         (current_loops, loop_split_edge_with): Declaration removed.
5077         (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
5078         * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
5079         Declaration removed.
5080         * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
5081         * basic-block.h (split_edge_and_insert): Declare.
5082         * tree-cfg.c (remove_bb): Do not update loops explicitly.
5084 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5086         PR tree-optimization/29801
5087         * tree-ssa-ccp.c (get_symbol_constant_value): New function.
5088         (get_default_value): Use get_symbol_constant_value.
5089         (set_lattice_value): ICE when the value of the constant is
5090         changed.
5091         (visit_assignment): Ignore VDEFs of read-only variables.
5093 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5095         * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
5096         formating.
5097         (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5098         vect_gen_niters_for_prolog_loop): Fold the emited expressions.
5100 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5102         * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
5103         select subvars of var.
5105 2006-11-17  Jakub Jelinek  <jakub@redhat.com>
5107         PR middle-end/29584
5108         * tree-ssa-forwprop.c (simplify_switch_expr): Don't
5109         optimize if DEF doesn't have integral type.
5111 2006-11-16  Mike Stump  <mrs@apple.com>
5113         * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
5114         pre-darwin9 system, unless the user asks for it directly.
5115         (PREFERRED_DEBUGGING_TYPE): Likewise.
5116         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5117         * config.gcc: Add suppport for darwin9.h.
5118         * config/darwin9.h: Add.
5119         * doc/install.texi (Specific): Clarify darwin documentation.
5121 2006-11-16  Richard Earnshaw  <rearnsha@arm.com>
5123         * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
5124         optimizing for size.
5126 2006-11-16  Mike Stump  <mrs@apple.com>
5128         * Makefile.in (targhooks.o): Add $(OPTABS_H).
5130 2006-11-16  Dirk Mueller  <dmueller@suse.de>
5132         * tree-vrp.c (get_value_range): Use XCNEW instead
5133         of XNEW and memset.
5134         (insert_range_assertions): Use XCNEWVEC instead
5135         of XNEWVEC and memset.
5136         (vrp_initialize): Same.
5137         (vrp_finalize): Same.
5138         * tree-ssa-ccp.c (ccp_initialize): Same.
5139         * predict.c (tree_bb_level_predictions): Same.
5140         * calls.c (expand_call): Same.
5141         * tree-ssa-copy.c (init_copy_prop): Same.
5142         (fini_copy_prop): Same.
5143         * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
5144         of GGC_NEW and memset.
5146 2006-11-16  Eric Botcazou  <ebotcazou@adacore.com>
5148         PR middle-end/26306
5149         * gimplify.c (gimplify_expr): Only force a load for references to
5150         non-BLKmode volatile values.
5151         * doc/implement-c.texi (Qualifiers implementation): Document the
5152         interpretation of what a volatile access is.
5153         * doc/extend.texi (C++ Extensions): Rework same documentation.
5155 2006-11-16  Joseph Myers  <joseph@codesourcery.com>
5157         * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
5158         memory operand.
5160 2006-11-16  Richard Earnshaw  <rearnsha@arm.com>
5162         * arm.md (abssi2): Allow Thumb as well.  Use an SImode scratch for
5163         Thumb.
5164         (arm_neg_abssi2): Renamed from neg_abssi2.
5165         (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
5167 2006-11-16  Uros Bizjak  <ubizjak@gmail.com>
5169         * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
5170         number of arguments passed to local functions in SSE registers is 3.
5172         * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
5173         number of arguments passed in SSE registers to 3.
5175 2006-11-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5177         PR target/29201
5178         * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
5179         bb to ...
5180         (get_last_bb_insn): ... new global function.
5181         (basic_block.h): Declare it.
5182         * haifa-sched.c (create_recovery_block): Use it.
5184 2006-11-15  H.J. Lu  <hongjiu.lu@intel.com>
5186         PR middle-end/29862
5187         * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
5189 2006-11-15  Paul Brook  <paul@codesourcery.com>
5191         * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
5192         _Unwind_GetTextRelBase): Move from here ...
5193         * config/arm/pr-support.c (_Unwind_GetDataRelBase,
5194         _Unwind_GetTextRelBase): ... To here.
5196 2006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
5198         * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
5199         addresses we generate for testing are aligned.
5201 2006-11-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5203         PR tree-opt/29788
5204         * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
5205         to what is the const decl is a place holder for.
5207 2006-11-15  Uros Bizjak  <ubizjak@gmail.com>
5209         * config/i386/i386.opt: New target option -mx87regparm.
5211         * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
5212         and float_in_x87 variables. mmx_words, sse_words: Remove.
5213         (X87_REGPARM_MAX): Define.
5215         * config/i386/i386.c (override_options): Error out for
5216         -mx87regparm but no 80387 support.
5217         (ix86_attribute_table): Add x87regparm.
5218         (ix86_handle_cconv_attribute): Update comments for x87regparm.
5219         (ix86_comp_type_attributes): Check for mismatched x87regparm types.
5220         (ix86_function_x87regparm): New function.
5221         (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
5222         point registers.
5223         (init_cumulative_args): Initialize x87_nregs and float_in_x87
5224         variables.
5225         (function_arg_advance): Process x87_nregs and x87_regno when
5226         floating point argument is to be passed in 80387 register.
5227         (function_arg): Pass XFmode arguments in 80387 registers for local
5228         functions.  Pass SFmode and DFmode arguments to local functions
5229         in 80387 registers when flag_unsafe_math_optimizations is set.
5231         * reg-stack.c (convert_regs_entry): Disable NaN load for
5232         stack registers that are used for argument passing.
5234         * doc/extend.texi: Document x87regparm function attribute.
5235         * doc/invoke.texi: Document -mx87regparm.
5237 2006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
5239         * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
5240         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
5241         arg MODE; all callers changed.  Use it to determine validity per
5242         machine mode instead of using Pmode for all memory references.
5243         (get_address_cost): Likewise add and use new arg MEM_MODE.
5245 2006-11-15  Rask Ingemann Lambertsen <rask@sygehus.dk>
5246             J"orn Rennecke <joern.rennecke@st.com>
5248         * combine.c (likely_spilled_retval_1): Fix masking operation.
5249         (likely_spilled_retval_p): Use proper pattern for call to
5250         likely_spilled_retval_1.
5252 2006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
5254         * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
5256         * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
5257         that tests for CONSTANT_POOL_ADDRESS_P.
5259 2006-11-15  Jakub Jelinek  <jakub@redhat.com>
5261         PR tree-optimization/29581
5262         * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
5263         REPLACEMENTS, FIRSTBSI arguments.  If initial condition or
5264         type is different between Y and USE, create a temporary
5265         variable, initialize it at the beginning of the body bb
5266         and use it as replacement instead of Y.
5268 2006-11-15  Paolo Bonzini  <bonzini@gnu.org>
5270         PR middle-end/29753
5271         * gimplify.c (fold_indirect_ref_rhs): Use
5272         STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
5274 2006-11-14  Richard Earnshaw  <rearnsha@arm.com>
5276         * expmed.c (emit_store_flag_1): New function.
5277         (emit_store_flag): Call it.  If we can't find a suitable scc insn,
5278         try a cstore insn.
5279         * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
5280         Use do_compare_rtx_and_jump.
5281         * arm.h (BRANCH_COST): Increase to 2 on Thumb.
5282         * arm.md (cstoresi4): New define_expand.
5283         (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
5284         (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
5285         (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5287 2006-11-14  Caroline Tice  <ctice@apple.com>
5289         * dwarf2out.c (debug_pubtypes_section): New static global variable.
5290         (pubname_entry):  Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5291         this type.
5292         (pubname_table):  Redefine as a vector.
5293         (pubtype_table):  New static global variable, defined as a vector.
5294         (pubname_table_allocated): Remove static global variable.
5295         (pubname_table_in_use): Remove static global variable.
5296         (PUBNAME_TABLE_INCREMENT): Remove constant.
5297         (size_of_pubnames): Add parameter to deal with either pubnames or
5298         pubtypes, and change code to deal with table being a vector.
5299         (add_pubname):  Change to deal with table being a vector.
5300         (add_pubtype):  New function.
5301         (output_pubnames): Add parameter to deal with either pubnames or
5302         pubtypes, and change code to deal with table being a vector.
5303         (gen_array_type_die):  Add call to add_pubtype.
5304         (gen_enumeration_type_die): Add call to add_pubtype.
5305         (gen_struct_or_union_type_die): Add call to add_pubtype.
5306         (gen_subroutine_type_die): Add call to add_pubtype.
5307         (gen_typedef_die):  Add call to add_pubtype.
5308         (dwarf2out_init): Add code to initialize pubname_table and
5309         pubtype_table vectors; also initialize debug_pubtypes_section.
5310         (prune_unused_types):  Change to deal with pubnames being a vector.
5311         (dwarf2out_finish): Change to deal with pubnames being a vector; add
5312         pubnames table to call to output_pubnames;  Add code to output pubtypes
5313         table if DEBUG_PUBTYPES_SECTION is defined.
5314         * config/darwin.c (darwin_file_start):  Add DEBUG_PUBTYPES_SECTION to
5315         debugnames.
5316         * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5318 2006-11-14  Joseph Myers  <joseph@codesourcery.com>
5320         * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5321         iwmmxt_nregs if TARGET_IWMMXT_ABI.
5322         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5323         movv2si_internal): Support moves between core registers.
5325 2006-11-14  Eric Christopher  <echristo@apple.com>
5327         * configure: Regenerate with autoconf 2.59.
5329 2006-11-14  Daniel Berlin  <dberlin@dberlin.org>
5331         Fix PR tree-optimization/27755
5333         * tree-ssa-pre.c: Update comments.
5334         (bb_bitmap_sets): Add pa_in and  deferred member.
5335         (BB_DEFERRED): New macro.
5336         (maximal_set): New variable.
5337         (pre_stats): Add pa_insert member.
5338         (bitmap_set_and): Short circuit orig == dest.
5339         (bitmap_set_subtract_values): New function.
5340         (bitmap_set_contains_expr): Ditto.
5341         (translate_vuses_through_block): Add phiblock argument.
5342         (dependent_clean): New function.
5343         (compute_antic_aux): Update for maximal_set changes.
5344         (compute_partial_antic_aux): New function.
5345         (compute_antic): Handle partial anticipation.
5346         (do_partial_partial_insertion): New function.
5347         (insert_aux): Handle partial anticipation.
5348         (add_to_sets): Add to maximal set.
5349         (compute_avail): Ditto.
5350         (init_pre): Initialize maximal_set.
5351         (execute_pre): Do partial anticipation if -O3+.
5353 2006-11-14  Paolo Bonzini  <bonzini@gnu.org>
5355         PR rtl-optimization/29798
5357         * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5358         TARGET_INSN before any other check.
5359         (fwprop_init): Always calculate dominators.
5360         (fwprop_done): Always free them.
5362 2006-11-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5364         * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5365         COND_EXPR.
5367 2006-11-13  DJ Delorie  <dj@redhat.com>
5369         * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5370         temporary for intermediates.
5372 2006-11-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5374         * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5375         (sh_optimize_target_register_callee_saved): #if 0 the code
5376         using NOTE_INSN_LOOP_{BEG,END}.
5378 2006-11-13  Roger Sayle  <roger@eyesopen.com>
5380         * fold-const.c (optimize_bit_field_compare): Recursively call
5381         fold when simplifying non-constant comparisons between bit-fields.
5383 2006-11-13  Jakub Jelinek  <jakub@redhat.com>
5385         * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5386         test.
5387         * configure: Rebuilt.
5389 2006-11-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5391         * config/rs6000/cell.md: New file.
5392         * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5393         variable.
5394         (ppccell_cost): New cost matrix.
5395         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5396         (rs6000_override_options): Set rs6000_always_hint to false
5397         for cell. Also align functions/lables/loops to 8byte
5398         for the Cell. Use PROCESSOR_CELL.
5399         (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5400         using_mtcr_multiple.
5401         (rs6000_variable_issue): If the insn is a nonpipelined instruction
5402         on the Cell, return 0.
5403         (rs6000_adjust_cost): Add Cell cost adjustments.
5404         (is_microcoded_insn): Return true for Cell microcoded
5405         instructions.
5406         (is_nonpipeline_insn): New function.
5407         (rs6000_issue_rate): Add PROCESSOR_CELL.
5408         (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5409         instructions.
5410         (rs6000_use_sched_lookahead_guard): New function.
5411         (rs6000_sched_reorder):  Reorder the ready list, if the second
5412         to last ready insn is a nonepipeline insn on the Cell.
5413         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5414         (ASM_CPU_SPEC): Add Cell.
5415         * config/rs6000/rs6000.md (cpu): Add Cell.
5416         (cell_micro): New Attr.
5417         Include cell.md
5419 2006-11-13  Jakub Jelinek  <jakub@redhat.com>
5421         * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5422         style versions.
5423         * configure: Rebuilt.
5425 2006-11-13  Richard Guenther  <rguenther@suse.de>
5427         * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5428         return value.
5429         (ix86_expand_lfloorceil): Likewise.
5430         (ix86_expand_rint): Likewise.
5431         (ix86_expand_floorceildf_32): Likewise.
5432         (ix86_expand_floorceil): Likewise.
5433         (ix86_expand_rounddf_32): Likewise.
5434         (ix86_expand_truncdf_32): Likewise.
5435         (ix86_expand_round): Likewise.
5437 2006-11-13  Carlos O'Donell  <carlos@codesourcery.com>
5438             Mark Mitchell  <mark@codesourcery.com>
5440         * gcc.c: Organize search path variables into $prefix relative,
5441         and well-known native. Add comments.
5442         (add_sysrooted_prefix): Add comment.
5443         (process_command): If !gcc_exec_prefix add $prefix based paths.
5444         If *cross_compile == '0', add native well-known paths.
5445         Assert tooldir_base_prefix is always relative.
5446         (main): If print_search_dirs, and if gcc_exec_prefix is set,
5447         use this value for 'install:' path.
5448         * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5450 2006-11-13  H.J. Lu  <hongjiu.lu@intel.com>
5452         * config/i386/i386.c: Fix a typo in comment.
5454 2006-11-13  Michael Matz  <matz@suse.de>
5456         * genemit.c (gen_expand): Allocate enough memory.
5458 2006-11-13  Joseph Myers  <joseph@codesourcery.com>
5460         * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5461         __GXX_TYPEINFO_EQUALITY_INLINE but not
5462         __GXX_MERGED_TYPEINFO_NAMES.
5463         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5464         __GXX_MERGED_TYPEINFO_NAMES.
5465         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5466         __GXX_TYPEINFO_EQUALITY_INLINE.
5468 2006-11-13  H.J. Lu  <hongjiu.lu@intel.com>
5469             Zdenek Dvorak <dvorakz@suse.cz>
5471         PR tree-optimization/29680
5472         * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5473         PR 14784.
5475 2006-11-12  Jason Merrill  <jason@redhat.com>
5476             Andrew Pinski <pinskia@physics.uc.edu>
5478         PR middle-end/28915
5479         * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5480         vector ctors.
5481         * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5482         vector ctors.
5483         * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5484         * tree.c (build_vector): Handle non-_CST elements.
5486 2006-11-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5488         * genemit.c (gen_insn): Call gen_exp with a non-null used
5489         when handling multiple insns.
5490         (gen_expand): Likewise.
5491         * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5492         * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5493         (movsi_const_16bit+1): Copy operands[1].
5494         (call_pcrel): Copy the call_site pattern.
5495         (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5497 2006-11-12  Roger Sayle  <roger@eyesopen.com>
5499         * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5500         condition for transformations.  Use !HONOR_SIGN_DEPENDENT_ROUNDING
5501         && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5502         (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5504 2006-11-12  Daniel Berlin  <dberlin@dberlin.org>
5506         Fix PR tree-optimization/29587
5507         * tree-ssa-structalias.c (process_constraint): Don't
5508         mark address taken due only to escaped vars constraint.
5510 2006-11-12  Michael Matz  <matz@suse.de>
5511             Roger Sayle  <roger@eyesopen.com>
5513         PR rtl-optimization/29797
5514         * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5515         BITS_BIG_ENDIAN targets.
5517 2006-11-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5519         * builtins.c (fold_builtin_cosh): New.
5520         (fold_builtin_1): Use it.
5521         * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5522         trunc to the list of "odd" functions.  Also add llrint, lrint,
5523         rint and nearbyint when flag_rounding_math is false.
5525 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5527         * tree-flow.h (name_mappings_registered_p): Declare.
5528         * tree-into-ssa.c (name_mappings_registered_p): New function.
5529         * tree-cfg.c (tree_can_merge_blocks_p): Check
5530         name_mappings_registered_p instead of need_ssa_update_p.
5532 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5534         * tree-ssa-loop.c (tree_vectorize): Return the result of
5535         vectorize_loops.
5536         * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5537         if anything changed.
5538         * tree-vectorizer.h (vectorize_loops): Declaration removed.
5539         * tree-flow.h (vectorize_loops): Declaration changed.
5541 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5543         * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5544         comments.
5545         (issue_prefetch_ref): Move assignment to write_p out of loop.
5546         (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5547         SIMULTANEOUS_PREFETCHES into account.
5548         (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5549         * lambda-code.c (lcm): Renamed to ...
5550         (least_common_multiple): ... and exported.
5551         * tree-flow.h (least_common_multiple): Declare.
5553 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5555         * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5556         * tree-ssa-loop-niter.c (derive_constant_upper_bound):  Follow
5557         ud-chains.  Handle AND_EXPR.
5558         (record_estimate): Record whether the estimate is realistic
5559         and whether it is derived from a loop exit.
5560         (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5561         infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5562         functions.
5563         (compute_estimated_nb_iterations): Take only realistic bounds into
5564         account.  Set estimate_state.  Use double_ints.
5565         (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5566         and infer_loop_bounds_from_signedness.  Do not consider basic blocks
5567         that do not have to be always executed.
5568         (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5569         to determine whether to call infer_loop_bounds_from_undefined
5570         and compute_estimated_nb_iterations.
5571         (n_of_executions_at_most): Use double_ints.
5572         (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5573         (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5574         * double-int.c (double_int_to_tree): Improve comment.
5575         (double_int_fits_to_tree_p): New function.
5576         * double-int.h (double_int_fits_to_tree_p): Declare.
5577         * tree-data-ref.c: Include langhooks.h.
5578         (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5579         (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5580         (analyze_array): Do not pass estimate_only argument to
5581         analyze_array_indexes.
5582         (get_number_of_iters_for_loop): Build tree from the stored double_int
5583         value.
5584         (get_references_in_stmt, find_data_references_in_stmt): New functions.
5585         (find_data_references_in_loop): Use find_data_references_in_stmt.
5586         * tree-data-ref.h (struct data_ref_loc_d): New.
5587         (get_references_in_stmt): Declare.
5588         (estimate_iters_using_array): Declaration removed.
5589         * cfgloop.h (struct nb_iter_bound): Change type of bound to
5590         double_int.  Improve comments.  Add is_exit and realistic
5591         fields.
5592         (struct loop): Changed type of estimated_nb_iterations to double_int.
5593         Added estimate_state field.
5594         (record_estimate): Declaration removed.
5596 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5598         * params.c (set_param_value): Initialize the "set" field.
5599         * params.h (struct param_info): Add "set" field.
5600         (PARAM_SET_P): New macro.
5601         (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5602         L1_CACHE_LINE_SIZE): New macros.
5603         * toplev.c (DEFPARAM): Initialize the "set" field.
5604         * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5605         SIMULTANEOUS_PREFETCHES): Removed.
5606         (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5607         (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5608         * config/sparc/sparc.c: Include params.h.
5609         (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5610         L1_CACHE_LINE_SIZE parameters.
5611         * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5612         Removed.
5613         * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5614         Removed.
5615         * config/i386/i386.c: Include params.h.
5616         (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5617         (override_options): Set SIMULTANEOUS_PREFETCHES and
5618         L1_CACHE_LINE_SIZE parameters.
5619         * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5620         (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5621         L1_CACHE_LINE_SIZE parameters.
5622         * config/ia64/ia64.c (ia64_optimization_options): Set
5623         SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5624         * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5625         Removed.
5626         * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5627         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5628         * doc/invoke.texi: Document new params.
5630 2006-11-12  Roger Sayle  <roger@eyesopen.com>
5632         PR tree-optimization/13827
5633         * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5634         as ((X^Y)&C) op 0.
5636 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5638         * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5639         update_single_exit_for_duplicated_loops): New functions.
5640         (duplicate_loop_to_header_edge): Use
5641         update_single_exit_for_duplicated_loops.
5642         * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5643         functions only with ENABLE_CHECKING.
5645 2006-11-12  Andreas Schwab  <schwab@suse.de>
5647         * except.c (sjlj_emit_function_enter): Remove unused variable.
5649 2006-11-11  Roger Sayle  <roger@eyesopen.com>
5651         * fold-const.c (int_binop_types_match_p): New function.
5652         (size_binop): Relax constraint that both arguments must both have
5653         exactly the same sizetype type.  Instead use int_binop_types_match_p.
5654         (size_diffop): Likewise.
5656         (make_range): Use build_int_cst instead of fold_convert.
5657         (fold_cond_expr_with_comparison): Use build_int_cst to construct
5658         integer constants of the correct type.
5659         (fold_div_compare): Likewise.
5660         (fold_single_bit_test): Likewise.
5661         (fold_binary): Likewise.
5662         * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5663         has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5665 2006-11-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5667         PR rtl-opt/28812
5668         * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5669         non null value if the struct memory access is in the 0th
5670         aliasing set.
5672 2006-11-12  Jie Zhang  <jie.zhang@analog.com>
5674         Revert
5675         2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5676         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5677         and __BFIN__.
5679         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5680         instead of builtin_define for bfin and BFIN.
5682 2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5684         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5685         and __BFIN__.
5687 2006-11-11  Jan Hubicka  <jh@suse.cz>
5689         * extend.texi (__builtin_expect): We no longer require second argument
5690         to be constant.
5691         * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5692         * builtins.c (expand_builtin_expect): Simplify.
5693         (expand_builtin_expect_jump): Kill.
5694         * final.c (final_scan_insn): Do not skip the removed notes.
5695         * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5696         EXPECTED_VALUE): Remove.
5697         * dojump.c (do_jump): Do not care about __builtin_expect.
5698         * predict.c (expected_value_to_br_prob): Kill.
5699         * function.c (expand_function_end): Do not expand
5700         NOTE_INSN_REPEATED_LINE_NUMBER.
5701         * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5702         * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5703         * cfgexpand.c (add_reg_br_prob_note): Export.
5704         * cfgcleanup.c (rest_of_handle_jump2): Do not call
5705         expected_value_to_br_prob.
5706         * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5707         * rtl.h (add_reg_br_prob_note): Declare.
5709 2006-11-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5711         * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5713 2006-11-11  Jan Hubicka  <jh@suse.cz>
5715         * predict.c (predict_loops): Kill RTL variant.
5717 2006-11-11  Jan Hubicka  <jh@suse.cz>
5719         * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5720         * modulo-sched.c (find_line_note): Remove.
5721         (loop_canon_p): Do not worry about line number notes.
5722         (sms_schedule): Likewise.
5723         * cse.c (cse_main): Likewise.
5724         * regmove.c (fixup_match_1): Likewise
5725         * function.c (emit_return_info_block): Likewise.
5726         (expand_function_end): Likewise.
5727         (thread_prologue_an_epilogue_insns): Likewise.
5728         * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5729         Likewise.
5730         * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5731         emit_note_copy_after): Kill.
5732         (emit_note_copy): Do not worry about line numbers.
5733         * jump.c (purge_line_number_notes): Kill.
5734         (pass_purge_lineno_notes): Kill.
5735         * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5736         call.
5737         * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5738         * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5739         * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5740         * tree-pass.h (pass_purge_lineno_notes): Kill.
5741         * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5742         rm_redundant_line_notes.
5743         * sched-rgb.c (schedule_region): Don't rm_line_notes,
5744         rm_redundant_line_notes.
5745         * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5746         * haifa-sched.c: Update comment about handling notes.
5747         (unlink_line_notes): Kill.
5748         (rm_line_notes): Kill.
5749         (save_line_notes): Simplify.
5750         (rm_redundant_line_notes): Kill.
5752 2006-11-11  Richard Guenther  <rguenther@suse.de>
5754         * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5755         Remove unused tree codes.
5756         * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5757         of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5758         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5759         * tree.c (stabilize_reference): Likewise.
5760         * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5761         fold_unary): Likewise.
5762         * tree-gimple.c (is_gimple_cast): Likewise.
5763         * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5764         * expr.c (expand_expr_real_1): Likewise.
5765         * tree-eh.c (tree_could_trap_p): Likewise.
5766         * gimplify.c (gimplify_expr): Likewise.
5767         * tree-inline.c (estimate_num_insns_1): Likewise.
5768         * tree-cfg.c (verify_expr): Likewise.
5770 2006-11-11  Zdenek Dvorak <dvorakz@suse.cz>
5772         * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5773         * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5774         (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5776 2006-11-11  Richard Sandiford  <richard@codesourcery.com>
5778         PR middle-end/27528
5779         * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5780         constraints accept neither registers or memories.
5782 2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5784         * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5785         (NO_PROFILE_COUNTERS): Define as 1.
5787 2006-11-10  Roger Sayle  <roger@eyesopen.com>
5789         * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5790         Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5792 2006-11-10  Peter Bergner  <bergner@vnet.ibm.com>
5794         * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5796 2006-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5798         * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5799         (fold_builtin_hypot): Likewise.
5800         * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5802         * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5804 2006-11-10  Roger Sayle  <roger@eyesopen.com>
5806         * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5807         when attempting to build INTEGER_CSTs of non-integral types.
5808         * expmed.c (make_tree): Use the correct type, i.e. the inner
5809         type, when constructing the individual elements of a CONST_VECTOR.
5811 2006-11-10  Jan Hubicka  <jh@suse.cz>
5813         * cse.c (cse_process_notes): Copy the propagated value.
5814         * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5815         in REG_EQUIV notes.
5816         * gcse.c (try_replace_reg): Copy the replacement.
5817         * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5818         (assign_386_stack_local): Always return copied memory expression
5819         * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5820         duplicates.
5822 2006-11-10  Jan Hubicka  <jh@suse.cz>
5824         * final.c (final): Walk from first instruction.
5825         * cfglayout.c (insn_locators_initialize): Remove line number notes.
5827 2006-11-10  Uros Bizjak  <ubizjak@gmail.com>
5829         PR target/29777
5830         * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5831         to define_expand.
5832         (umulv8hi3_highpart): Ditto.
5833         (vec_widen_smult_hi_v8hi): New expander.
5834         (vec_widen_smult_lo_v8hi): Ditto.
5836 2006-11-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5838         PR middle-end/29335
5839         * builtins.c (do_mpfr_arg3): New.
5840         (fold_builtin_1): Handle builtins fma, fmin and fmax.
5842 2006-11-09  Eric Christopher  <echristo@apple.com>
5844         PR bootstrap/26892
5845         PR bootstrap/27814
5846         PR other/28994
5847         * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5848         * config.gcc (powerpc64-*-darwin*): New target.
5849         * config.host: Ditto.
5850         * config/rs6000/darwin64.h: New file.
5851         * config/rs6000/x-darwin64: Ditto.
5852         * config/rs6000/host-ppc64-darwin.c: Ditto.
5854 2006-11-09  Steve Ellcey  <sje@cup.hp.com>
5856         * config/ia64/ia64.c (ia64_hpux_init_libfuncs):  Use HP-UX millicode
5857         routines for integer division.
5859 2006-11-09  Daniel Jacobowitz  <dan@codesourcery.com>
5861         * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5863 2006-11-09  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5865         PR middle-end/29726
5866         * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5868 2006-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5870         * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5871         simplify_subreg with BLKmode outer mode.
5873 2006-11-08  Brooks Moses  <brooks.moses@codesourcery.com>
5875         * doc/invoke.texi: Minor formatting fixes in option lists.
5877 2006-11-08  Zdenek Dvorak <dvorakz@suse.cz>
5879         PR tree-optimization/29738
5880         * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5881         (ccp_lattice_t): Remove UNKNOWN_VAL.
5882         (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5883         Do not handle UNKNOWN_VAL.
5884         (get_default_value): Set initial value of virtual operands to
5885         VARYING.
5886         (get_value): Always use get_default_value on uninitialized
5887         operands.
5888         (set_value_varying, surely_varying_stmt_p): New functions.
5889         (set_lattice_value): Do not pass argument to get_value.
5890         Do not handle UNKNOWN_VAL.
5891         (likely_value): Follow the semantics described in the comment.
5892         (ccp_initialize): Use surely_varying_stmt_p.  Do not mark
5893         phi nodes DONT_SIMULATE_AGAIN.
5894         (ccp_fold): Do not pass argument to get_value.
5895         (fold_const_aggregate_ref, visit_assignment): Ditto.  Do not
5896         handle UNKNOWN_VAL.
5898 2006-11-08  Andrew Pinski  <Andrew_Pinski@playstation.sony.com>
5900         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5901         HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5903 2006-11-08  Roger Sayle  <roger@eyesopen.com>
5905         * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5906         test for inclusion rather than as a test for exclusion.
5907         * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5908         the condition after calling fold_binary.
5909         * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5910         (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5911         * builtins.c (fold_builtin_isascii): Likewise.
5912         (fold_builtin_isdigit): Likewise.
5914 2006-11-08  Carlos O'Donell  <carlos@codesourcery.com>
5916         * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5917         * configure: Regenerate.
5919 2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5921         * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5922         enum argument instead of bool.
5923         (vect_analyze_operations): Call vectorizable_type_promotion.
5924         * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5925         stmt_vec_info_type value.
5926         (supportable_widening_operation, vectorizable_type_promotion): New
5927         function declarations.
5928         * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5929         (vectorizable_type_promotion): New function.
5930         (vect_transform_stmt): Call vectorizable_type_promotion.
5931         * tree-vect-analyze.c (supportable_widening_operation): New function.
5932         * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5933         Add implementation.
5934         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5935         mode.
5937         * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5938         (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5939         * tree-inline.c (estimate_num_insns_1): Add cases for above new
5940         tree-codes.
5941         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5942         * expr.c (expand_expr_real_1): Likewise.
5943         * optabs.c (optab_for_tree_code): Likewise.
5944         (init_optabs): Initialize new optabs.
5945         * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5946         vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5947         vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5948         vec_unpacku_lo_optab): Initialize new optabs.
5949         * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5950         (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5951         OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5952         optab indices.
5953         (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5954         (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5955         (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5956         (vec_unpacku_lo_optab): New optabs.
5957         * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5958         (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5959         (vec_widen_smult_hi, vec_widen_smult_lo): New.
5960         * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5961         (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5962         (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5964         * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5965         (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5966         (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5967         (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5968         (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5969         implement the unsigned unpacking patterns.
5970         (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5971         (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5972         (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5973         (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5974         (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5975         (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5976         (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5977         (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5978         multiplication patterns.
5980         * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5981         * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5982         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5983         * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5984         (rs6000_builtin_mul_widen_odd): New.
5985         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5986         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5987         * tree-vectorizer.h (enum vect_relevant): New enum type.
5988         (_stmt_vec_info): Field relevant chaned from bool to enum
5989         vect_relevant.
5990         (STMT_VINFO_RELEVANT_P): Updated.
5991         (STMT_VINFO_RELEVANT): New.
5992         * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5993         instead of STMT_VINFO_RELEVANT_P.
5994         * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5995         Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5996         and boolean variable with enum vect_relevant.
5997         (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5998         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5999         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
6001         2006-11-08  Richard Henderson  <rth@redhat.com>
6003         * config/i386/sse.md (vec_widen_umult_hi_v8hi,
6004         vec_widen_umult_lo_v8hi): New.
6005         (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
6006         vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
6008         * config/i386/i386.c (ix86_expand_sse_unpack): New.
6009         * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
6010         * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
6011         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
6012         vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
6013         vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
6014         vec_unpacks_lo_v4si): New.
6016         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6018         * tree-vect-transform.c (vectorizable_type_demotion): New function.
6019         (vect_transform_stmt): Add case for type_demotion_vec_info_type.
6020         (vect_analyze_operations): Call vectorizable_type_demotion.
6021         * tree-vectorizer.h (type_demotion_vec_info_type): New enum
6022         stmt_vec_info_type value.
6023         (vectorizable_type_demotion): New function declaration.
6024         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6025         mode.
6027         * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
6028         * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
6029         VEC_PACK_SAT_EXPR.
6030         * tree-iniline.c (estimate_num_insns_1): Likewise.
6031         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
6032         * optabs.c (optab_for_tree_code): Likewise.
6034         * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
6035         compared against the predicate of the result is not 'mode' (the input
6036         to the function) but a mode with half the size of 'mode'.
6037         (init_optab): Initialize new optabs.
6038         * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
6039         New optab indices.
6040         (vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
6041         optabs.
6042         * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
6043         (vec_pack_usat_optab): Initialize new optabs.
6044         * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
6045         * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
6047         2006-11-08  Richard Henderson  <rth@redehat.com>
6049         * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
6050         (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
6051         (vec_interleave_highv8hi, vec_interleave_lowv8hi):
6052         (vec_interleave_highv4si, vec_interleave_lowv4si):
6053         (vec_interleave_highv2di, vec_interleave_lowv2di): New.
6055         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6057         * tree-vect-transform.c (vectorizable_reduction): Support multiple
6058         datatypes.
6059         (vect_transform_stmt): Removed redundant code.
6061         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6063         * tree-vect-transform.c (vectorizable_operation): Support multiple
6064         datatypes.
6066         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6068         * tree-vect-transform.c (vect_align_data_ref): Removed.
6069         (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
6070         Updated function documentation. Return the increment stmt in ptr_incr.
6071         (bump_vector_ptr): New function.
6072         (vect_get_vec_def_for_stmt_copy): New function.
6073         (vect_finish_stmt_generation): Create a stmt_info to newly created
6074         vector stmts.
6075         (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
6076         argument.
6077         (vectorizable_reduction, vectorizable_assignment): Not supported yet if
6078         VF is greater than the number of elements that can fit in one vector
6079         word.
6080         (vectorizable_operation, vectorizable_condition): Likewise.
6081         (vectorizable_store, vectorizable_load): Support the case that the VF
6082         is greater than the number of elements that can fit in one vector word.
6083         (vect_transform_loop): Don't fail in case of multiple data-types.
6084         * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
6085         in case of multiple data-types; the smallest type determines the VF.
6086         (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
6087         if they are of different sizes.
6088         (vect_update_misalignment_for_peel): Compare misalignments in terms of
6089         number of elements rather than number of bytes.
6090         (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
6091         (vect_can_advance_ivs_p): Fix a dump printout
6093 2006-11-07  Eric Christopher  <echristo@apple.com>
6095         * libgcc2.c (__bswapdi2): Rename from bswapDI2.
6096         (__bswapsi2): Ditto.
6097         * libgcc2.h: Remove transformation of bswap routines.
6098         * config/i386/i386.md (bswapsi2): New.
6099         (bswapdi2): Ditto.
6101 2006-11-07  Jakub Jelinek  <jakub@redhat.com>
6103         * c-common.c (c_common_attributes): Add gnu_inline attribyte.
6104         (handle_gnu_inline_attribute): New function.
6105         * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
6106         (merge_decls, start_decl, start_function): Likewise.
6107         * doc/extend.texi: Document gnu_inline attribute.
6109 2006-11-07  Steve Ellcey  <sje@cup.hp.com>
6111         PR other/25028
6112         * config/ia64/t-hpux (LIB1ASMFUNCS):  Filter out _fixtfdi,
6113         _fixunstfdi, and  _floatditf
6115 2006-11-06  Anatoly Sokolov <aesok@post.ru>
6117         * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
6118         prototype.
6119         * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
6120         (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
6121         lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
6122         which start in an odd register.
6124 2006-11-07  Richard Sandiford  <richard@codesourcery.com>
6126         * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
6128 2006-11-07  Josh Conner  <jconner@apple.com>
6130         * doc/invoke.texi (fstrict-aliasing): Move implementation
6131         details...
6132         * doc/tree-ssa.texi (Alias analysis): ...here.
6134 2006-11-07  Richard Guenther  <rguenther@suse.de>
6136         PR tree-optimization/29610
6137         * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
6138         of tree_purge_dead_eh_edges as it may free dominators.
6140         * g++.dg/other/pr29610.C: New testcase.
6142 2006-11-07  David Ung  <davidu@mips.com>
6144         * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
6145         costs when optimizing for size.
6146         (override_options): Use mips_rtx_cost_optimize_size table for cost
6147         calculations.
6149 2006-11-07  Jie Zhang  <jie.zhang@analog.com>
6151         * gcc.c (process_command): Treat -b as normal switch if its argument
6152         has no dash.
6154 2006-11-07  David Ung  <davidu@mips.com>
6156         * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
6157         list.
6159 2006-11-06  Eric Christopher  <echristo@apple.com>
6161         * config.gcc: Add x86_64-darwin host support.
6162         * config.host: Ditto.
6163         * config/i386/darwin64.h: New file.
6164         * config/i386/t-darwin64: Ditto.
6166 2006-11-06  Janis Johnson  <janis187@us.ibm.com>
6168         * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
6169         and output-exists-not.
6171 2006-11-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6173         PR tree-opt/29439
6174         * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
6175         checking for overflow.
6177 2006-11-06  Jan van Dijk  <jan@etpmod.phys.tue.nl>
6179         * configure.ac: Fixed typo in case statement: :: changed to ;;
6181 2006-11-06  Bob Wilson  <bob.wilson@acm.org>
6183         * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
6184         count_leading_zeros, and count_trailing_zeros.
6185         * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
6186         (TARGET_FOLD_BUILTIN): Define.
6187         (TARGET_EXPAND_BUILTIN): Define.
6188         (xtensa_init_builtins): New.
6189         (xtensa_fold_builtin): New.
6190         (xtensa_expand_builtin): New.
6191         (xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
6192         * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
6193         (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6194         (CTZ_DEFINED_VALUE_AT_ZERO): Define.
6195         * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
6196         (any_extend): New code macro.
6197         (u, su): New code attributes.
6198         (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
6199         (nsau): Remove; replaced by clzsi2.
6200         (ffssi2): Use clzsi2.
6201         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
6202         _clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
6203         * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
6204         (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
6205         (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
6207 2006-11-06  Vladimir Prus  <vladimir@codesourcery.com>
6209         * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
6210         set inhibit_libc.
6211         * config/arm/t-strongarm-elf: Likewise.
6212         * config/arm/t-pe: Likewise.
6213         * config/arm/t-arm-elf: Likewise.
6214         * config/arm/t-xscale-elf: Likewise.
6215         * config/arm/t-arm-coff: Likewise.
6216         * config/arm/t-xscale-coff: Likewise.
6217         * config/arm/t-wince-pe: Likewise.
6219 2006-11-05  Kaz Kojima  <kkojima@gcc.gnu.org>
6221         * config/sh/lib1funcs-4-300.asm: Guard entire file with
6222         #if !__SHMEDIA__ .
6224 2006-11-05  Jakub Jelinek  <jakub@redhat.com>
6226         PR middle-end/29695
6227         * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
6228         simplification.
6230 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
6232         PR target/26915
6233         * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
6234         as a valid 80387 constant.
6235         (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
6236         * config/i386/i386.md (unnamed splitter): Split the load of
6237         constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
6238         by negation.
6240 2006-11-04  Richard Earnshaw  <rearnsha@arm.com>
6242         * arm.c (thumb_legitimate_addres_p): Allow any constant offset
6243         from the soft-frame, argument and virtual registers.
6245 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
6247         * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
6248         patterns for standard 80387 constants.
6250 2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
6251             Steven Bosscher  <steven@gcc.gnu.org>
6253         * fwprop.c: New file.
6254         * Makefile.in: Add fwprop.o.
6255         * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
6256         * passes.c (init_optimization_passes): Schedule forward propagation.
6257         * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
6258         parameter.
6259         * timevar.def (TV_FWPROP): New.
6260         * common.opt (-fforward-propagate): New.
6261         * opts.c (decode_options): Enable forward propagation at -O2.
6262         * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
6263         * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
6264         canon_for_address, table_size): Remove.
6265         (new_basic_block, insert, remove_from_table): Remove references to
6266         table_size.
6267         (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
6268         simplification loop more straightforward by not calling fold_rtx
6269         recursively.
6270         (equiv_constant): Move here a small part of fold_rtx_subreg,
6271         do not call fold_rtx.  Call avoid_constant_pool_reference
6272         to process MEMs.
6273         * recog.h (canonicalize_change_group): New.
6275         * doc/invoke.texi (Optimization Options): Document fwprop.
6276         * doc/passes.texi (RTL passes): Document fwprop.
6278 2006-11-03  Geoffrey Keating  <geoffk@apple.com>
6280         * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
6281         (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
6282         (grokdeclarator): Likewise.
6284 2006-11-03  Steven Bosscher  <steven@gcc.gnu.org>
6286         * tree-dump.c (dump_enable_all): Rename local variable
6287         ir_type to avoid name conflicts.
6288         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6289         instead of using ir_type().
6290         * profile.c (tree_register_profile_hooks): Likewise.
6291         * value-prof.c (tree_register_value_prof_hooks): Likewise.
6292         * basic-block.h (struct edge_def): Likewise.
6293         * config/arm/arm.c (legitimize_pic_address): Likewise.
6294         * coretypes.h (ir_type): New enum of all intermediate languages
6295         used in GCC.
6296         * cfghooks.c (ir_type): Rename to...
6297         (current_ir_type): ...this.  Distinguish between cfgrtl and
6298         cfglayout mode when the current IR is RTL.  Return enum ir_type.
6299         * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6301 2006-11-03  Paul Brook  <paul@codesourcery.com>
6303         * config/arm/arm.c (arm_file_start): New function.
6304         (TARGET_ASM_FILE_START): Define.
6305         (arm_default_cpu): New variable.
6306         (arm_override_options): Set arm_default_cpu.
6308 2006-11-03  David Ung  <davidu@mips.com>
6310         * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6311         PROCESSOR_24KC and PROCESSOR_24KF.
6312         * config/mips/mips.c (mips_cpu_info_table): Add processor names
6313         and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6314         (mips_rtx_cost_data): Add costs for the 24kc.
6315         * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6316         * config/mips/24k.md: Remove references to 24k and replace with
6317         uses of 24kc/24kf in the appropriate reservations.
6318         * doc/invoke.texi (MIPS Options): Updated.
6320 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
6322         * config/sh/crt1.asm: Fix #ifdef indent.
6324 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
6325         Merged from STMicroelectronics sources:
6326         2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
6327           * config/sh/crt1.asm (vbr_600): Add missing #if.
6328         2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
6329           * sh.opt (mfused-madd): New option.
6330           * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6331         2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
6332           * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6333           Remove pointless handler at VBR+0.
6334           (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6335           (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6336           fr7. Make sure the timer handler is called with the correct FPU
6337           precision setting, according to the ABI.
6338         2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
6339           * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6340           * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6341           (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6342         2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
6343           * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
6344           zero as second operand.
6345         2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
6346           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6347           Fixed some bugs related to negative values, in particular -0
6348           and overflow at -0x80000000.
6349           * config/sh/divcost-analysis: Added sh4-300 figures.
6350         2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
6351           * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6352         2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
6353           * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6354           ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6355           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6356         New files.
6357           * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6358           -m4-340.
6359         2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
6360           SH4-300 scheduling description & fixes to SH4-[12]00 description:
6361           * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6362           mac_mem, mem_mac, dfp_mul, fp_cmp.
6363           (insn_class, dfp_comp, any_fp_comp): Update.
6364           (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6365           (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6366           (muldf3_i): Likewise.
6367           (movsi_i): Split rI08 alternative into two separate alternatives.
6368           Update type.
6369           (movsi_ie, movsi_i_lowpart): Likewise.
6370           (movqi_i): Split ri alternative into two separate alternatives.
6371           Update type.
6372           * sh1.md (sh1_load_store, sh1_fp): Update.
6373           * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6374           (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6375           * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6376           (sh4a_fp_double_arith): Likewise.
6377           * sh4-300.md: New file.
6378           * sh.c (sh_handle_option): Handle m4-300* options.
6379           (sh_adjust_cost): Fix latency of auto-increments.
6380           Handle SH4-300 differently than other SH4s.  Check for new insn types.
6381           * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6382           been set by an option.
6383           * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6384           (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6385           (mbranch-cost=): Likewise.
6386           * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6388           * sh.md (mulsf3): Remove special expansion code.
6389           (mulsf3_ie): Now a define_insn_and_split.
6390           (macsf3): Allow for TARGET_SH4.
6392           * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6393           * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6394           (expand_cbranchdi4): Likewise.
6395           (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6396           CONST_DOUBLE if the outer code is COMPARE.
6397           * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6398           TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6399           (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6400           (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6401           Remove redundant fp_{zero,one}_operand checks.
6402           * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6403           * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6404           (expand_cbranchdi4): Likewise.
6405         2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
6406           * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6408 2006-11-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6410         * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6411         constraints.
6413 2006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>
6415         * doc/invoke.texi: Fix mfp-trap-mode typo.
6417 2006-11-02  Carlos O'Donell  <carlos@codesourcery.com>
6419         * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6420         * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6421         file_end_indicate_exec_stack.
6422         * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6423         Define as 0.
6424         * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6425         for a non-executable stack.
6426         * crti.asm: Likewise.
6427         * crtn.asm: Likewise.
6428         * libunwind.S: Likewise.
6430 2006-11-02  Ben Elliston  <bje@au.ibm.com>
6432         * tree-ssa.c (warn_uninit): Use expand_location variables for
6433         locus and declaration locus.
6435 2006-11-02  Kaz Kojima  <kkojima@gcc.gnu.org>
6437         PR target/27405
6438         * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6439         (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6440         cmp{eq,gt,gtu}{si,di}_media.
6441         (*cmpne0si_media): Remove.
6442         (*movsicc_umin): Adjust gen_cmp*_media call.
6443         (unordered): Change the mode of unordered and operands[1] to
6444         SImode.
6445         (seq): Adjust gen_cmp*_media calls.  Make the mode of
6446         a temporary result of compare SImode if needed.  If the mode
6447         of operands[0] is DImode, extend the temporary result to DImode.
6448         (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6449         (sunorderd): Change the mode of match_operand and unorderd to
6450         SImode.
6451         (cmpeq{sf,df}_media): Remove.
6452         (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6453         (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6454         and compare operation to SImode.
6456 2006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
6458         * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6459         instructions.
6460         (sparc64-sun-solaris2*): Likewise.
6462 2006-11-02  Paul Brook  <paul@codesourcery.com>
6464         * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6465         from priority argument.  Use different section for non-default
6466         priority.
6467         * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6469 2006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
6471         PR other/29639
6472         * except.c (switch_to_exception_section): Do not cache the section
6473         if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6474         and flag_function_sections is set.
6476 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6478         PR middle-end/29335
6479         * builtins.c (do_mpfr_sincos): New.
6480         (fold_builtin_1): Use it to fold builtin sincos.
6482 2006-11-01  Roger Sayle  <roger@eyesopen.com>
6484         * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6485         it into -D_REENTRANT.
6487 2006-11-01  Roger Sayle  <roger@eyesopen.com>
6489         * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6490         whether the assembler supports taking the difference of symbols in
6491         different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
6492         * configure: Regenerate.
6493         * config.in: Regenerate.
6494         * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6495         the assembler doesn't support taking the difference of symbols in
6496         different sections, i.e. we're using the native solaris assembler.
6498 2006-11-01  Pete Steinmetz  <steinmtz@us.ibm.com>
6499             Peter Bergner  <bergner@vnet.ibm.com>
6501         * doc/invoke.texi: Add cpu_type power6x
6502         (RS/6000 and PowerPC Options): Add -mmfpgpr.
6503         * config.gcc: Add cpu_type power6x.
6504         * configure.ac: Add test for mf{t,f}gpr instructions.
6505         (HAVE_AS_MFPGPR): New.
6506         * config.in: Regenerate.
6507         * configure: Regenerate.
6508         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6509         * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6510         shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6511         and mftgpr attributes.
6512         (define_attr "cpu"): Add power6.
6513         Change instruction sequences to use new attributes.
6514         (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6515         (fix_truncdfsi2_mfpgpr): New.
6516         (floatsidf_ppc64_mfpgpr): New.
6517         (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6518         (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6519         (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6520         (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6521         (fix_truncdfsi2): Use gpc_reg_operand constraint.
6522         * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6523         7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6524         Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6525         cntlz,exts and var_delayed_compare.
6526         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6527         _ARCH_PWR6X, if features enabled.
6528         * config/rs6000/rs6000.opt (mmfpgpr): New.
6529         * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6530         (cached_can_issue_more): New variable.
6531         (processor_costs): Add power6_cost.
6532         (rs6000_sched_init): New function.
6533         (is_dispatch_slot_restricted): Deleted.
6534         (set_to_load_agen): New function.
6535         (is_load_insn,is_store_insn): New functions.
6536         (adjacent_mem_locations): New function.
6537         (insn_must_be_first_in_group): New function.
6538         (insn_must_be_last_in_group): New function.
6539         (rs6000_sched_reorder): New function.
6540         (rs6000_sched_reorder2): New function.
6541         (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6542         TARGET_SCHED_REORDER2): Define.
6543         (processor_target_table): Use PROCESSOR_POWER6 for power6.
6544         Add power6x. Add MASK_MFPGPR for power6x.
6545         (POWERPC_MASKS): Add MASK_MFPGPR.
6546         (rs6000_override_options): Set rs6000_always_hint to false
6547         for power6.  Set rs6000_align_branch_targets. Replace
6548         rs6000_sched_groups check with rs6000_align_branch_targets.
6549         Use PROCESSOR_POWER6.
6550         (last_scheduled_insn): New variable.
6551         (load_store_pendulum): New variable.
6552         (rs6000_variable_issue): Set last_scheduled_insn and
6553         cached_can_issue_more.
6554         (rs6000_adjust_cost): Add power6 cost adjustments.
6555         (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6556         with insn_must_be_first_in_group. Add power6 priority adjustments.
6557         (rs6000_issue_rate): Add CPU_POWER6.
6558         (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6559         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6560         (TARGET_MFPGPR): New.
6561         (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6562         (ASM_CPU_SPEC): Add power6x.
6563         (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6564         conditions.
6565         * config/rs6000/power6.md: New file.
6567 2006-11-01  Adam Nemet  <anemet@caviumnetworks.com>
6569         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6570         HOST_WIDE_INT_PRINT to print high and low parts.  Use
6571         HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
6572         printing a hexadecimal number prefix it with 0x.
6574 2006-11-01  Chris Johns <chris@contemporary.net.au>
6576         PR bootstrap/28400
6577         * Makefile.in (install-driver): Use exeext when installing
6578         $target-gcc-$version.
6580 2006-11-01      Douglas Gregor <doug.gregor@gmail.com>
6582         * c-common.c (flag_cpp0x): New.
6583         * c-common.h (flag_cpp0x): New.
6584         * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6585         supported, define __GXX_EXPERIMENTAL_CPP0X__.
6586         * c-opts.c (set_std_cxx0x): New.
6587         (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6588         * c.opt (std=c++0x): Document.
6589         (std=gnu++0x): Ditto.
6590         * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6591         * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6593 2006-11-01  Richard Guenther  <rguenther@suse.de>
6595         * config/i386/i386.c (ix86_expand_rint): Fix issues with
6596         signed zeros.
6597         (ix86_expand_floorceildf_32): Likewise.
6598         (ix86_expand_floorceil): Likewise.
6599         (ix86_expand_trunc): Likewise.
6601 2006-10-31  Andrew Pinski  <pinskia@gmail.com>
6603         * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6604         to "GNU C89".
6606 2006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
6608         * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6609         hook.
6610         * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6611         default.
6612         * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6613         Override default.
6614         * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6615         * configure.ac (use_cxa_atexit): As a special case, don't test
6616         for libc definition of __cxa_atexit on mingw32
6617         * configure: Regenerate.
6618         * config.gcc (i[34567]86-pc-mingw32): Default to
6619         enable__cxa_atexit=yes.
6621 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6623         * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6625 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6627         PR 23067
6628         * c-decl.c (start_struct): Don't create self-containing
6629         structures.
6630         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6631         New.
6632         * config/rs6000/rs6000-protos.h
6633         (darwin_rs6000_special_round_type_align): New.
6634         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6635         (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6637 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6639         * toplev.c (compile_file): Call final_write_globals
6640         even if there have been errors.
6642 2006-10-31  Eric Christopher  <echristo@apple.com>
6643             Falk Hueffner  <falk@debian.org>
6645         * doc/extend.texi (__builtin_bswap32): Document.
6646         (__builtin_bswap64): Ditto.
6647         * doc/libgcc.texi (bswapsi2): Document.
6648         (bswapdi2): Ditto.
6649         * doc/rtl.texi (bswap): Document.
6650         * optabs.c (expand_unop): Don't widen a bswap.
6651         (init_optabs): Init bswap. Set libfuncs explicitly
6652         for bswapsi2 and bswapdi2.
6653         * optabs.h (OTI_bswap): New.
6654         (bswap_optab): Ditto.
6655         * genopinit.c (optabs): Handle bswap_optab.
6656         * tree.h (tree_index): Add TI_UINT32_TYPE and
6657         TI_UINT64_TYPE.
6658         (uint32_type_node): New.
6659         (uint64_type_node): Ditto.
6660         * tree.c (build_common_tree_nodes_2): Initialize
6661         uint32_type_node and uint64_type_node.
6662         * builtins.c (expand_builtin_bswap): New.
6663         (expand_builtin): Call.
6664         (fold_builtin_bswap): New.
6665         (fold_builtin_1): Call.
6666         * fold-const.c (tree_expr_nonnegative_p): Return true
6667         for bswap.
6668         * builtin-types.def (BT_UINT32): New.
6669         (BT_UINT64): Ditto.
6670         (BT_FN_UINT32_UINT32): Ditto.
6671         (BT_FN_UINT64_UINT64): Ditto.
6672         * builtins.def (BUILT_IN_BSWAP32): New.
6673         (BUILT_IN_BSWAP64): Ditto.
6674         * rtl.def (BSWAP): New.
6675         * genattrtab.c (check_attr_value): New.
6676         * libgcc2.c (__bswapSI2): New.
6677         (__bswapDI2): Ditto.
6678         * libgcc2.h (__bswapSI2): Declare.
6679         (__bswapDI2): Ditto.
6680         * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6681         * simplify-rtx.c (simplify_const_unary_operation): Return
6682         0 for BSWAP.
6683         * libgcc-std.ver (__bwapsi2): Add.
6684         (__bswapdi2): Ditto.
6685         * reload1.c (eliminate_regs_1): Add bswap.
6686         (elimination_effects): Ditto.
6687         * config/i386/i386.h (x86_bswap): New.
6688         (TARGET_BSWAP): Use.
6689         * config/i386/i386.c (x86_bswap): Set.
6691 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6693         * coverage.c (coverage_checksum_string): Update comment.
6694         * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6695         of get_file_function_name.
6696         * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6697         of get_file_function_name_long.
6698         * tree.c (get_file_function_name): Rename from
6699         get_file_function_name_long; improve comment; handle 'I' and 'D'
6700         specially when the target has ctor/dtor support; remove special
6701         handling for 'F'.
6702         (get_file_function_name): Remove.
6703         * tree.h (get_file_function_name): Rename from
6704         get_file_function_name_long.
6705         (get_file_function_name): Remove prototype.
6707 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6709         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6710         * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6712         * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6713         Call dsymutil when compiling and linking one or more source files
6714         in one step.
6716 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6718         PR 15834
6719         * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6721 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6723         * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6724         inline static functions in c99 mode.
6726         PR 16622
6727         * doc/extend.texi (Inline): Update.
6728         * c-tree.h (struct language_function): Remove field 'extern_inline'.
6729         * c-decl.c (current_extern_inline): Delete.
6730         (pop_scope): Adjust test for an undefined nested function.
6731         Add warning about undeclared inline function.
6732         (diagnose_mismatched_decls): Update comments.  Disallow overriding
6733         of inline functions in a translation unit in C99.  Allow inline
6734         declarations in C99 at any time.
6735         (merge_decls): Boolize variables.  Handle C99 'extern inline'
6736         semantics.
6737         (grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
6738         C99 inline semantics.
6739         (start_function): Don't clear current_extern_inline.  Don't set
6740         DECL_EXTERNAL.
6741         (c_push_function_context): Don't push current_extern_inline.
6742         (c_pop_function_context): Don't restore current_extern_inline.
6744         PR 11377
6745         * c-typeck.c (build_external_ref): Warn about static variables
6746         used in extern inline functions.
6747         * c-decl.c (start_decl): Warn about static variables declared
6748         in extern inline functions.
6750 2006-10-31  Roger Sayle  <roger@eyesopen.com>
6752         PR middle-end/23470
6753         * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6754         * fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
6755         pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6756         or y is an even integer.
6758 2006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
6760         PR target/24071
6761         * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6762         * gthr-posix95.h (__gthread_active_p): Likewise.
6764 2006-10-31  Richard Guenther  <rguenther@suse.de>
6766         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6767         acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6768         expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6769         exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6770         ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6771         lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6772         lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6773         btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6774         !optimize_size.
6776 2006-10-31  Steven Bosscher  <steven@gcc.gnu.org>
6778         * opts.c (decode_options): Disable CSE skip blocks.
6780 2006-10-30  Dirk Mueller  <dmueller@suse.de>
6782         * c-common.h (strict_aliasing_warning): Fix whitespace.
6783         * c-decl (start_function): Move code for main decl warning ..
6784         * c-common.c (check_main_parameter_types): .. here.
6785         * c-common.h (check_main_parameter_types): Declare.
6787 2006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6789         PR middle-end/29335
6790         * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6792 2006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>
6794         * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6795         be a PARALLEL containing sets.  Return false when out_pat is not
6796         a PARALLEL insn.
6798 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
6800         * config/mips/mips.md (mul<mode>3): Split into...
6801         (mulsi3, muldi3): ...these separate patterns.
6803 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
6805         * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6806         but with each set of options separated by spaces.
6808 2006-10-30  J"orn Rennecke  <joern.rennecke@st.com>
6810         * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6811         dwarf_reg_size_table has been initialized.
6813 2006-10-30  Roger Sayle  <roger@eyesopen.com>
6815         * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6816         * ddg.c (print_ddg_edge): Likewise.
6817         * dwarf2out.c (prune_unused_types_walk): Likewise.
6818         * ifcvt.c (noce_try_cmove_arith): Likewise.
6819         * langhooks.c (add_builtin_function): Likewise.
6820         * reg-stack.c (subst_stack_regs_pat): Likewise.
6821         * tree.c (expanded_location): Likewise.
6822         * tree-dump.c (dequeue_and_dump): Likewise.
6824 2006-10-30  David Daney  <ddaney@avtrex.com>
6826         * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6828 2006-10-30  Jakub Jelinek  <jakub@redhat.com>
6830         PR tree-optimization/29637
6831         * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6832         of the innertype is the innertype itself.
6834 2006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
6836         * dwarf2out.c (file_name_acquire): Correct typo.
6838 2006-10-29  Daniel Berlin  <dberlin@dberlin.org>
6840         * tree.h (tree_value_handle): Remove struct value_set declaration.
6841         Change value_set to bitmap_set.
6842         * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6843         * tree-vn.c (get_value_handle): Made inline and moved to
6844         tree-flow-inline.h.
6845         * tree-flow-inline.h: (has_stmt_ann): New function.
6846         * tree-ssa-pre.c (expressions): New variable.
6847         (next_expression_id): Ditto.
6848         (alloc_expression_id): New function.
6849         (struct value_set): Remove.
6850         (get_expression_id): New function.
6851         (get_or_alloc_expression_id): Ditto.
6852         (expression_for_id): Ditto.
6853         (clear_expression_ids): Ditto.
6854         (FOR_EACH_EXPR_ID_IN_SET): New macro.
6855         (bb_value_sets): Renamed to bb_bitmap_sets.
6856         All value sets replaced with bitmap_sets.
6857         Add visited member.
6858         (BB_VISITED): New macro.
6859         (postorder): New variable.
6860         (add_to_value): Removed.
6861         (value_exists_in_set_bitmap): Ditto.
6862         (value_insert_into_set_bitmap): Ditto.
6863         (set_new): Ditto.
6864         (set_copy): Ditto.
6865         (set_remove): Ditto.
6866         (set_contains_value): Ditto.
6867         (insert_into_set): Ditto.
6868         (set_equal): Ditto.
6869         (find_leader): Ditto.
6870         (bitmap_set_subtract_from_value_set): Ditto.
6871         (value_insert_into_set): Ditto.
6872         (print_value_set): Ditto.
6873         (debug_value_set): Ditto.
6874         (constant_expr_p): New function.
6875         (bitmap_remove_from_set): Ditto.
6876         (bitmap_insert_into_set): Ditto.
6877         (bitmap_set_free): Ditto.
6878         (vh_compare): Ditto.
6879         (sorted_array_from_bitmap_set): Ditto.
6880         (bitmap_set_subtract): Ditto.
6881         (bitmap_set_equal): Ditto.
6882         (debug_bitmap_set): Ditto.
6883         (find_leader_in_sets): Ditto.
6884         (bitmap_set_replace_value): Modify for bitmapped sets.
6885         (phi_translate): Ditto.
6886         (phi_translate_set): Ditto.
6887         (bitmap_find_leader): Ditto.
6888         (valid_in_sets): Ditto.
6889         (union_contains_value): Ditto.
6890         (clean): Ditto.
6891         (compute_antic_aux): Ditto.  Mark changed blocks.
6892         (compute_antic): Ditto. Iterate in postorder and only over
6893         changing blocks.
6894         (compute_rvuse_and_antic_safe): Reuse postorder.
6895         (create_component_ref_by_pieces): Modify for bitmapped sets.
6896         (find_or_generate_expression): Ditto.
6897         (create_expression_by_pieces): Ditto.
6898         (insert_into_preds_of_block): Ditto.
6899         (changed_blocks): New variable.
6900         (do_regular_insertion): Broken out from insert_aux.
6901         (insert_aux): Modified for bitmapped sets.
6902         (find_existing_value_expr): New function.
6903         (create_value_expr_from): Use it.
6904         (insert_extra_phis): Removed.
6905         (print_bitmap_set): Renamed from bitmap_print_value_set.
6906         (compute_avail): Handle RETURN_EXPR.
6907         (init_pre): Modify for bitmapped sets.
6908         * tree-flow.h (has_stmt_ann): New function.
6910 2006-10-29  Roger Sayle  <roger@eyesopen.com>
6912         * builtins.c (fold_builtin_floor): Check for the availability of
6913         the C99 trunc function before transforming floor into trunc.
6915 2006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6917         * builtins.c (fold_builtin_hypot): Rearrange recursive
6918         transformation before others, and also do ABS_EXPR.  When
6919         necessary, check flag_unsafe_math_optimizations.  When necessary,
6920         add fabs.
6922 2006-10-29  Roger Sayle  <roger@eyesopen.com>
6924         * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6925         Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6926         (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6927         Fold -X eq/ne -Y as X eq/ne Y.
6929 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
6931         * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6932         GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
6933         rather than GENERATE_MULT3_SI in the various define_peephole2s.
6934         (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6935         Use an inclusive test for "mult" rather than "mul".
6936         (rotr<mode>3): Depend on ISA_HAS_ROR.
6937         * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6938         ISA_HAS_MUL3.
6939         (GENERATE_MULT3_DI): Delete.
6940         (ISA_HAS_64BIT_REGS): Use consistent formatting.
6941         (ISA_HAS_MUL3): New macro.
6942         (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6943         (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6944         (ISA_HAS_CLZ_CLO): Likewise.
6945         (ISA_HAS_DCLZ_DCLO): Delete.
6946         (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6947         (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6948         the VR4120 and VR4130.
6949         (ISA_HAS_MACCHI): Use consistent formatting.
6950         (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6951         (ISA_HAS_ROR): ...this new macro.
6952         (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6953         (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6954         (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6956 2006-10-29  Roger Sayle  <roger@eyesopen.com>
6958         PR tree-optimization/15458
6959         * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6960         is a constant.
6962 2006-10-29  Richard Guenther  <rguenther@suse.de>
6964         * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6965         (ix86_expand_truncdf_32): Likewise.
6966         * config/i386/i386.c (ix86_expand_trunc): New function expanding
6967         trunc inline for SSE math and -fno-trapping-math and if not
6968         optimizing for size.
6969         (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6970         * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6971         for expanding btrunc inline for SSE math.
6973 2006-10-29  Joseph Myers  <joseph@codesourcery.com>
6975         * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6976         Handle tuning for bi-arch i[34567]86-*-linux* like that for
6977         i[34567]86-*-solaris2.1[0-9]*.
6978         * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6979         Define conditionally depending on TARGET_64BIT_DEFAULT.
6980         (SPEC_32, SPEC_64): Define.
6981         (LINK_SPEC): Use them.
6982         * doc/install.texi (--enable-targets=all): Document for x86-linux.
6984 2006-10-29  Richard Guenther  <rguenther@suse.de>
6986         * config/i386/i386-protos.h (ix86_expand_round): Declare.
6987         (ix86_expand_rounddf_32): Likewise.
6988         * config/i386/i386.c (ix86_expand_round): New function expanding
6989         round inline for SSE math and -fno-trapping-math and if not
6990         optimizing for size.
6991         (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6992         * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6993         round via ix86_expand_round.
6995 2006-10-29  Richard Guenther  <rguenther@suse.de>
6997         * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6998         (ix86_expand_floorceildf_32): Likewise.
6999         * config/i386/i386.c (ix86_expand_sse_compare_mask): New
7000         static helper function.
7001         (ix86_expand_floorceil): Expander for floor and ceil to SSE
7002         math.
7003         (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
7004         * config/i386/i386.md (floordf2): Adjust to enable floor
7005         expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
7006         -fno-trapping-math is enabled and if not optimizing for size.
7007         (floorsf2, ceildf2, ceilsf2): Likewise.
7008         * config/i386/sse.md (sse_maskcmpsf3): New insn.
7009         (sse2_maskcmpdf3): Likewise.
7011 2006-10-29  Richard Guenther  <rguenther@suse.de>
7013         * builtins.c (expand_builtin_mathfn): Expand nearbyint as
7014         rint in case -fno-trapping-math is enabled.
7015         * config/i386/i386-protos.h (ix86_expand_rint): Declare.
7016         * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
7017         (ix86_expand_sse_fabs): Likewise.
7018         (ix86_expand_rint): New function expanding rint to x87 or SSE math.
7019         * config/i386/i386.md (rintdf2): Enable for SSE math if
7020         -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
7021         (rintsf2): Likewise.
7023 2006-10-29  Richard Guenther  <rguenther@suse.de>
7025         * genopinit.c (optabs): Change lfloor_optab and lceil_optab
7026         to conversion optabs.
7027         * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
7028         as conversion optab.
7029         * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
7030         (enum convert_optab_index): Add COI_lfloor and COI_lceil.
7031         (lfloor_optab, lceil_optab): Adjust defines.
7032         * builtins.c (expand_builtin_int_roundingfn): Adjust for
7033         lfloor and lceil optabs now being conversion optabs.
7034         * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
7035         * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
7036         New static helper function.
7037         (ix86_expand_lfloorceil): New function to expand lfloor and
7038         lceil inline.
7039         * config/i386/i386.md (lfloor<mode>2): Split into ...
7040         (lfloorxf<mode>2): ... x87 variant
7041         (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
7042         using ix86_expand_lfloorceil.
7043         (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
7044         Likewise.
7045         * doc/md.texi (lfloorMN, lceilMN): Document.
7047 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
7049         * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
7050         -mno-shared assembler option on mips targets.
7051         * configure, config.in: Regenerate.
7052         * config/mips/linux.h (NO_SHARED_SPECS): New macro.
7053         (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
7054         * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
7056 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
7058         * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
7059         as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
7061 2006-10-29  Kazu Hirata  <kazu@codesourcery.com>
7063         * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
7064         config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
7065         comment typos.
7067 2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7069         PR middle-end/29335
7070         * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
7071         (fold_builtin_pow): Evaluate constant arguments at compile-time
7072         using MPFR.
7073         (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
7074         (do_mpfr_ckconv): New helper function.
7075         (do_mpfr_arg1): Use do_mpfr_ckconv.
7076         (do_mpfr_arg2): New.
7078 2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7080         PR tree-opt/29271
7081         * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
7082         (-fdump-rtl-sched): Rename to ..
7083         (-fdump-rtl-sched1): here.  Also fix file extension number.
7085 2006-10-28  Richard Guenther  <rguenther@suse.de>
7087         * fold-const.c (maybe_canonicalize_comparison): Fix code
7088         to match comment.
7090 2006-10-28  Uros Bizjak  <uros@kss-loka.si>
7092         * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
7093         (NON_QI_REG_P): Use IN_RANGE.
7094         (REX_INT_REGNO_P): Use IN_RANGE.
7095         (FP_REGNO_P): Use IN_RANGE.
7096         (SSE_REGNO_P): Use IN_RANGE.
7097         (REX_SSE_REGNO_P): Use IN_RANGE.
7098         (MMX_REGNO_P): Use IN_RANGE.
7099         (STACK_REGNO_P): New macro.
7100         (STACK_REG_P): Use STACK_REGNO_P.
7101         (NON_STACK_REG_P): Use STACK_REGNO_P.
7102         (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
7103         (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
7104         (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
7105         (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
7106         (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
7108 2006-10-28  Eric Botcazou  <ebotcazou@adacore.com>
7110         * except.h (output_function_exception_table): Add 'const char*' param.
7111         * except.c (switch_to_exception_section): Add 'const char*' param.
7112         If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
7113         and flag_function_sections is set, use a function-specific section.
7114         (output_function_exception_table): Add 'const char*' param.
7115         Adjust call to switch_to_exception_section.
7116         * final.c (rest_of_handle_final): Adjust calls to
7117         output_function_exception_table.
7118         * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
7119         * config.in: Regenerate.
7120         * configure: Likewise.
7122 2006-10-28  Richard Guenther  <rguenther@suse.de>
7124         PR middle-end/26899
7125         * fold-const.c (maybe_canonicalize_comparison_1): Helper
7126         for maybe_canonicalize_comparison.
7127         (maybe_canonicalize_comparison): New function for canonicalizing
7128         comparison trees.
7129         (fold_comparison): Call it to canonicalize comparisons with
7130         constants involved.
7132 2006-10-28  Richard Guenther  <rguenther@suse.de>
7134         PR target/28806
7135         * builtins.c (expand_builtin_int_roundingfn_2): Expand
7136         BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
7137         (expand_builtin): Adjust likewise.
7138         * genopinit.c (optabs[]): Add lround optab.
7139         * optabs.c (init_optabs): Initialize lround_optab.
7140         * optabs.h (enum convert_optab_index): Add COI_lround.
7141         (lround_optab): Define.
7142         * config/i386/i386-protos.h (ix86_expand_lround): Declare.
7143         * config/i386/i386.c (ix86_sse_copysign_to_positive): New
7144         static function.
7145         (ix86_expand_lround): New function.
7146         * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
7147         New expanders.
7148         * doc/md.texi (lroundMN2): Document.
7150 2006-10-28 Uros Bizjak <uros@kss-loka.si>
7152         PR target/29377
7153         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
7154         argument to HOST_WIDE_INT.  Update function prototype.
7155         (round_frame_size): Change return type to HOST_WIDE_INT.  Change
7156         "size" argument to HOST_WIDE_INT.  Update function prototype.
7158 2006-10-28 Uros Bizjak <uros@kss-loka.si>
7160         * config/i386/i386.c (output_387_ffreep): Create output from a
7161         template string for !HAVE_AS_IX86_FFREEP.
7163 2006-10-27  Eric Christopher  <echristo@apple.com>
7165         * config/darwin.c: Fix formatting and grammar.
7167 2006-10-27  Jan Hubicka  <jh@suse.cz>
7169         * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
7170         to be thrown away soon when IGNORE is set.
7171         * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
7172         indicating when return value shall not be computed.
7173         * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
7175 2006-10-27  Vladimir Makarov  <vmakarov@redhat.com>
7177         * config/i386/i386.h (TARGET_GEODE):
7178         (TARGET_CPU_CPP_BUILTINS): Add code for geode.
7179         (TARGET_CPU_DEFAULT_geode): New macro.
7180         (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
7181         TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
7182         TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
7183         TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
7184         TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
7185         the macro values.
7186         (TARGET_CPU_DEFAULT_NAMES): Add geode.
7187         (processor_type): Add PROCESSOR_GEODE.
7189         * config/i386/i386.md: Include geode.md.
7190         (cpu): Add geode.
7192         * config/i386/i386.c (geode_cost): New initialized global
7193         variable.
7194         (m_GEODE, m_K6_GEODE): New macros.
7195         (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
7196         x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
7197         x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
7198         x86_schedule): Use m_K6_GEODE instead of m_K6.
7199         (x86_movx, x86_cmove): Set up m_GEODE.
7200         (x86_integer_DFmode_moves): Clear m_GEODE.
7201         (processor_target_table): Add entry for geode.
7202         (processor_alias_table): Ditto.
7204         * config/i386/geode.md: New file.
7206         * doc/invoke.texi: Add entry about geode processor.
7208 2006-10-27  Mike Stump  <mrs@apple.com>
7210         * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
7211         __DYNAMIC__ from here back to ...
7212         * config/darwin.h (CPP_SPEC): ... here.
7214 2006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
7215             Nathan Sidwell  <nathan@codesourcery.com>
7217         * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
7218         when choosing the minimum heapsize.
7220 2006-10-26  Nathan Froyd <froydnj@codesourcery.com>
7222         * gcc/unwind-dw2.h: Move cfa-related variables into
7223         struct frame_state_reg_info to ensure that the CFA is properly
7224         handled when executing DW_CFA_{remember,restore}_state.
7225         * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
7226         gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
7227         gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
7228         gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
7229         gcc/config/rs6000/linux-unwind.h,
7230         gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
7231         gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
7232         Modify to use new cfa_* fields.
7234 2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7236         * config/s390/s390.c (s390_init_frame_layout): Check positive
7237         frame_size.
7239 2006-10-26  Ben Elliston  <bje@au.ibm.com>
7241         * gimplify.c (get_name): Remove extraneous break.
7242         (gimplify_omp_for): Initialise ret with GS_OK.
7244 2006-10-25  Steve Ellcey  <sje@cup.hp.com>
7246         * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
7247         Add unix98.o to link line.
7249 2006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7251         PR middle-end/29335
7252         * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
7253         Calculate compile-time constants using MPFR.
7254         (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
7255         BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
7257 2006-10-25  Bob Wilson  <bob.wilson@acm.org>
7259         * config/xtensa/lib2funcs.S: Use C-style comments.
7261 2006-10-24  Nathan Froyd  <froydnj@codesourcery.com>
7263         * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
7264         (file_table_relative_p): Likewise.
7265         (dwarf2out_finish): Likewise.
7266         (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
7268 2006-10-25  Daniel Berlin  <dberlin@dberlin.org>
7270         * tree-ssa-structalias.c (intra_create_variable_infos):
7271           Don't recreate nonlocal_all if it already exists.
7273 2006-10-25  Richard Guenther  <rguenther@suse.de>
7275         PR target/28803
7276         * optabs.h (enum optab_index): Remove OTI_lrint.
7277         (enum convert_optab_index): Add COI_lrint.
7278         (lrint_optab): Adjust.
7279         (expand_sfix_optab): Declare.
7280         * optabs.c (expand_sfix_optab): New function.
7281         (init_optabs): Init lrint_optab as conversion optab.
7282         * genopinit.c (lrint_optab): Change to a conversion optab.
7283         * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
7284         expansion via conversion optab.
7285         * config/i386/i386.md (*fistdi2_1): Remove
7286         flag_unsafe_math_optimizations guard.
7287         (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
7288         fist<mode>2_with_temp): Likewise.
7289         (lrint<mode>2): Split into...
7290         (lrintxf<mode>2): ... x87 part
7291         (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7292         * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7293         sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7294         UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7295         * doc/md.texi (lrintMN2): Document.
7297 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
7299         PR target/28909
7300         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7301         Use inc and dec instructions for TARGET_USE_INCDEC.
7302         ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7303         ("sync_double_compare_and_swap<mode>"): Likewise.
7304         ("*sync_double_compare_and_swapdi_pic"): Likewise.
7305         ("*sync_compare_and_swap_cc<mode>"): Likewise.
7306         ("sync_double_compare_and_swap_cc<mode>"): Likewise.
7307         ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7308         ("sync_old_add<mode>"): Likewise.
7309         ("sync_lock_test_and_set<mode>"): Likewise.
7310         ("sync_lock_test_and_set<mode>"): Likewise.
7311         ("sync_add<mode>"): Likewise.
7312         ("sync_sub<mode>"): Likewise.
7313         ("sync_ior<mode>"): Likewise.
7314         ("sync_and<mode>"): Likewise.
7315         ("sync_xor<mode>"): Likewise.
7317 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
7319         * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7320         (remainder_optab): Define corresponding macro.
7321         (drem_optab): Remove.
7322         * optabs.c (init_optabs): Initialize remainder_optab.  Remove
7323         drem_optab initialization.
7324         * genopinit.c (optabs): Implement remainder_optab using
7325         remainder?f3 patterns.  Remove drem_optab.
7326         * builtins.c (expand_builtin_mathfn_2): Handle
7327         BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7328         (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7329         expand_builtin_mathfn_2.
7331         (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7332         depend on flag_unsafe_math_optimizations.
7334         * config/i386/i386.md ("remaindersf3", "remainderdf3")
7335         ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7336         Do not depend on flag_unsafe_math_optimizations.  Use
7337         truncxf?f expander instead of truncxf?f_i387_noop.
7339         ("fpremxf4", "fprem1xf4"): Do not depend on
7340         flag_unsafe_math_optimizations.
7341         ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7342         flag_unsafe_math_optimizations.  Use truncxf?f expander
7343         instead of truncxf?f_i387_noop.
7345         * doc/md.texi (fmod, remainder): Document standard named pattern.
7347 2006-10-24  Richard Sandiford  <richard@codesourcery.com>
7348             David Daney  <ddaney@avtrex.com>
7350         PR middle-end/29519
7351         * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
7353 2006-10-25  Ben Elliston  <bje@au.ibm.com>
7355         * doc/extend.texi (Variable Attributes): Typo fix.
7357 2006-10-24  Uros Bizjak  <uros@kss-loka.si>
7359         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7360         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7361         (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7362         (FRAME_POINTER_REGNUM): Update register number to 21.
7363         (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7364         (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7366         * config/i386/i386.c (regclass_map): Add fpcr entry.
7367         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7368         Add fpcr entry.
7369         (print_reg): Assert REGNO (x) != FPCR_REG.
7371         * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7372         (DIRFLAG_REG): Renumber.
7373         (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7374         (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7375         (sse_prologue_save, *sse_prologue_save_insn): Renumber
7376         hardcoded SSE register numbers.
7378         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7379         hardcoded MMX register numbers.
7381 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7383         PR middle-end/29335
7384         * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7385         (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7386         Update all callers.
7387         (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7388         (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7389         BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7390         BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7392 2006-10-24  Richard Guenther  <rguenther@suse.de>
7394         PR middle-end/28796
7395         * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7396         and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7397         for deciding optimizations in consistency with fold-const.c
7398         (fold_builtin_unordered_cmp): Likewise.
7400 2006-10-24  Richard Guenther  <rguenther@suse.de>
7402         * builtins.c (fold_builtin_floor): Fold floor (x) where
7403         x is nonnegative to trunc (x).
7404         (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7405         nonnegative to FIX_TRUNC_EXPR.
7407 2006-10-24  Richard Guenther  <rguenther@suse.de>
7409         PR tree-optimization/29567
7410         * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7411         for TRUTH_NOT_EXPR.  Clarify comments.
7413 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7415         PR middle-end/29335
7416         * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7417         at compile-time using MPFR.  Change parameter VALUE to FUNC,
7418         update all callers.
7419         (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
7420         for overflow and underflow at all times and avoid folding in
7421         those cases.
7423 2006-10-24  Ben Elliston  <bje@au.ibm.com>
7425         * reload1.c: Formatting fixes.
7427 2006-10-23  Zdenek Dvorak <dvorakz@suse.cz>
7429         PR tree-optimization/14784
7430         * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7431         * tree-ssa-structalias.c (get_constraint_for,
7432         intra_create_variable_infos): Set is_heapvar.
7433         * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7434         non-heapvar pointer variables specially.
7436 2006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7438         PR middle-end/29335
7439         * builtins.c (fold_builtin_sin, fold_builtin_cos,
7440         fold_builtin_tan): Fold all constant arguments.  Take a "type"
7441         argument as necessary.
7442         (do_mpfr_arg1): New.
7443         * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7445 2006-10-23  Bob Wilson  <bob.wilson@acm.org>
7447         * config/xtensa/lib1funcs.asm: Use C-style comments.
7449 2006-10-23 Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
7451         * tree.c (local_define_builtin): Replace calls to
7452         lang_hooks.builtin_function with add_builtin_function.
7453         * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7454         c_builtin_function.
7455         * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7456         the signature.
7457         * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7458         common code to add_builtin_function.
7459         * langhooks.c (add_builtin_function): New function.
7460         (lhd_builtin_function): New function.
7461         * langhooks.h (struct lang_hooks): Change the signature of
7462         builtin_function.
7463         (add_builtin_function): New function.
7464         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7465         calls to lang_hooks.builtin_function with add_builtin_function.
7466         * c-common.c (decl_builtin_1): Replace calls to
7467         lang_hooks.builtin_function with add_builtin_function.
7468         * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7469         lang_hooks.builtin_function with add_builtin_function.
7470         * config/frv/frv.c (def_builtin): Replace calls to
7471         lang_hooks.builtin_function with add_builtin_function.
7472         * config/s390/s390.c (s390_init_builtins): Replace calls to
7473         lang_hooks.builtin_function with add_builtin_function.
7474         * config/sparc/sparc.c (def_builtin): Replace calls to
7475         lang_hooks.builtin_function with add_builtin_function.
7476         * config/i386/i386.c (def_builtin): Replace calls to
7477         lang_hooks.builtin_function with add_builtin_function.
7478         * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7479         lang_hooks.builtin_function with add_builtin_function.
7480         * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7481         lang_hooks.builtin_function with add_builtin_function.
7482         * config/stormy16/stormy16.c (xstormy16_init_builtins):
7483         Replace calls to lang_hooks.builtin_function with
7484         add_builtin_function.
7485         * config/iq2000/iq2000.c (def_builtin):
7486         Replace calls to lang_hooks.builtin_function with
7487         add_builtin_function.
7488         * config/ia64/ia64.c (def_builtin): Replace calls to
7489         lang_hooks.builtin_function with add_builtin_function.
7490         * config/rs6000/rs6000.c (def_builtin): Replace calls to
7491         lang_hooks.builtin_function with add_builtin_function.
7492         (altivec_init_builtins): Replace calls to
7493         lang_hooks.builtin_function with add_builtin_function.
7494         * config/arm/arm.c (def_mbuiltin): Replace calls to
7495         lang_hooks.builtin_function with add_builtin_function.
7496         (arm_init_tls_builtins): Replace calls to
7497         lang_hooks.builtin_function with add_builtin_function.
7498         * config/mips/mips.c (mips_init_builtins): Replace calls to
7499         lang_hooks.builtin_function with add_builtin_function.
7500         * config/bfin/bfin.c (def_builtin): Replace calls to
7501         lang_hooks.builtin_function with add_builtin_function.
7502         * langhooks-def.h (lhd_builtin_function): New function.
7503         (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7505 2006-10-23  Jakub Jelinek  <jakub@redhat.com>
7507         * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7508         BUILT_IN_STRNCAT_CHK.
7510 2006-10-23  Jan Hubicka  <jh@suse.cz>
7512         * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7513         don't do conversion from memmove to memcpy here.
7514         (expand_builtin_bcopy, expand_builtin): Update call of
7515         expand_builtin_memmove.
7516         (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7518 2006-10-23  Paul Brook  <paul@codesourcery.com>
7520         * stor-layout.c (start_record_layout): maximum_field_alignment
7521         overrides STRUCTURE_SIZE_BOUNDARY.
7523 2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>
7525         * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7526         nonlocal function symbols if flag_pic.
7528 2006-10-23  Richard Guenther  <rguenther@suse.de>
7530         PR middle-end/27132
7531         PR middle-end/23295
7532         * builtins.c (fold_binary): Remove checks for flag_wrapv
7533         and flag_trapv where negate_expr_p covers these cases.
7535 2006-10-23  Richard Guenther  <rguenther@suse.de>
7537         PR middle-end/29548
7538         * fold-const.c (fold_plusminus_mult_expr): Check exact power
7539         of two on the absolute value.
7540         (fold_binary): Fold x * -C to -x * C if x is easily negatable
7541         and negating -C does not overflow.
7543 2006-10-23  Richard Guenther  <rguenther@suse.de>
7545         PR middle-end/21032
7546         * convert.c (convert_to_real): Fold (float)-x to -(float)x
7547         only if not flag_rounding_math.
7549 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
7550             Kaz Kojima  <kkojima@gcc.gnu.org>
7552         PR target/28232
7553         * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7554         SImode memory reference for the source of a movua.
7555         * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7556         (movua): Use an unspec instead of sign_extract.  Expect the source
7557         to have mode BLKmode.
7558         (extv, insv): Use a BLKmode rather than SImode memory reference
7559         for the source of a movua.
7561 2006-10-22  Jeff Law  <law@redhat.com>
7562         Richard Guenther  <rguenther@suse.de>
7564         PR tree-optimization/15911
7565         * tree-vrp.c (extract_code_and_val_from_cond): New function.
7566         (register_edge_assert_for_1): Likewise.
7567         (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7568         (find_conditional_asserts): Adjust for new function signature.
7569         (find_assert_locations): Likewise.
7571 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7573         * config/i386/tmmintrin.h: Remove the duplicated content.
7575 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7577         * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7578         (x86_64-*-*): Likewise.
7580         * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7581         (override_options): Check SSSE3.
7582         (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7583         IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7584         IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7585         IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7586         IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7587         IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7588         IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7589         IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7590         IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7591         IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7592         IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7593         IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7594         IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7595         IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7596         IX86_BUILTIN_PABSD128.
7597         (bdesc_2arg): Add SSSE3.
7598         (bdesc_1arg): Likewise.
7599         (ix86_init_mmx_sse_builtins): Support SSSE3.
7600         (ix86_expand_builtin): Likewise.
7601         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7603         * config/i386/i386.md (UNSPEC_PSHUFB): New.
7604         (UNSPEC_PSIGN): Likewise.
7605         (UNSPEC_PALIGNR): Likewise.
7606         Include mmx.md before sse.md.
7608         * config/i386/i386.opt: Add -mssse3.
7610         * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7611         (ssse3_phaddwv4hi3): Likewise.
7612         (ssse3_phadddv4si3): Likewise.
7613         (ssse3_phadddv2si3): Likewise.
7614         (ssse3_phaddswv8hi3): Likewise.
7615         (ssse3_phaddswv4hi3): Likewise.
7616         (ssse3_phsubwv8hi3): Likewise.
7617         (ssse3_phsubwv4hi3): Likewise.
7618         (ssse3_phsubdv4si3): Likewise.
7619         (ssse3_phsubdv2si3): Likewise.
7620         (ssse3_phsubswv8hi3): Likewise.
7621         (ssse3_phsubswv4hi3): Likewise.
7622         (ssse3_pmaddubswv8hi3): Likewise.
7623         (ssse3_pmaddubswv4hi3): Likewise.
7624         (ssse3_pmulhrswv8hi3): Likewise.
7625         (ssse3_pmulhrswv4hi3): Likewise.
7626         (ssse3_pshufbv16qi3): Likewise.
7627         (ssse3_pshufbv8qi3): Likewise.
7628         (ssse3_psign<mode>3): Likewise.
7629         (ssse3_psign<mode>3): Likewise.
7630         (ssse3_palignrti): Likewise.
7631         (ssse3_palignrdi): Likewise.
7632         (abs<mode>2): Likewise.
7633         (abs<mode>2): Likewise.
7635         * config/i386/tmmintrin.h: New file.
7637         * doc/extend.texi: Document SSSE3 built-in functions.
7639         * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7641 2006-10-22  Ira Rosen  <irar@il.ibm.com>
7643         * tree-vect-transform.c (vectorizable_load): Use the type of the
7644         return value of the mask_for_load builtin to create realign_load
7645         stmt.
7647 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
7649         * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7650         expressions.
7652 2006-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7654         * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7655         (UNSPEC_LDDQU): This.
7656         * config/i386/sse.md (sse3_lddqu): Updated.
7658 2006-10-21  Richard Guenther  <rguenther@suse.de>
7660         * builtins.c (expand_builtin_int_roundingfn_2): New function.
7661         (expand_builtin): Use it to expand lrint instead of
7662         expand_builtin_mathfn.
7664 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
7666         PR middle-end/28252
7667         * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7668         flag_unsafe_math_optimizations is set.
7670 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
7672         PR target/19398
7673         * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7674         patterns to use memory input operand in x87->mem->XMM
7675         reload sequences.  Skip transformation for TARGET_K8.
7677 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
7679         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7680         force operand1 to register if both operands are memory operands.
7681         (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7682         (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7683         if both operands are memory operands.
7684         (truncdfsf2): Do not force operand1 to register if both operands
7685         are memory operands.
7687 2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7689         * Makefile.in (LIBS): Add $(GMPLIBS).
7690         * doc/install.texi: Update GMP and MPFR requirements.
7691         * doc/sourcebuild.texi (need_gmp): Delete.
7693 2006-10-21  Richard Guenther  <rguenther@suse.de>
7695         PR tree-optimization/3511
7696         * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7697         got new invariant arguments during PHI translation.
7699 2006-10-21  Richard Guenther  <rguenther@suse.de>
7701         PR middle-end/26898
7702         * fold-const.c (fold_comparison): Fold signed comparisons
7703         of the form X +- C1 CMP Y +- C2.
7705 2006-10-21  Richard Guenther  <rguenther@suse.de>
7707         PR target/19116
7708         * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7709         if flag_unsafe_math_optimizations is specified.  We have
7710         flag_finite_math_only for that.
7711         * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7712         or flag_unsafe_math_optimizations.
7714 2006-10-21  Richard Guenther  <rguenther@suse.de>
7716         * builtins.c (fold_builtin_classify): Fix typo.
7718 2006-10-21  Richard Guenther  <rguenther@suse.de>
7720         PR middle-end/28796
7721         * simplify-rtx.c (simplify_const_relational_operation):
7722         Do not constant-fold ORDERED and UNORDERED for
7723         flag_unsafe_math_optimizations but only we do not need to
7724         honor NaNs for the given mode.
7726 2006-10-21  Richard Guenther  <rguenther@suse.de>
7728         PR target/29512
7729         * config/i386/i386.c (classify_argument): Remove redundant
7730         walking of the BINFOs.
7731         (contains_128bit_aligned_vector_p): Likewise.
7733 2006-10-20  Mark Mitchell  <mark@codesourcery.com>
7735         * BASE-VER: Set to 4.3.0.
7737 2006-10-20  Daniel Berlin  <dberlin@dberlin.org>
7739         * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7740         (tree_decl_with_vis): Remove artificial_pta_var flag.
7741         * tree-flow.h (referenced_var_check_and_insert): Expose.
7742         (nonlocal_all): New prototype.
7743         * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7744         (nonlocal_all): Make global.
7745         (nonlocal_lookup): Remove.
7746         (nonlocal_insert): Ditto.
7747         (create_nonlocal_var): Do not call nonlocal_insert.
7748         (get_nonlocal_id_for_type): Remove.
7749         (find_global_initializers): Mark new vars we find for renaming.
7750         (intra_create_variable_infos): Only create one nonlocal.
7751         (expand_nonlocal_solutions): Remove.
7752         (compute_points_to_sets): Don't call it.
7753         (ipa_pta_execute): Ditto.
7754         (init_alias_heapvars): Don't create nonlocal_for_type.
7755         (delete_alias_heapvars): Don't remove it.
7756         * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7757         nonlocal_all.
7759 2006-10-19  Brooks Moses  <bmoses@stanford.edu>
7761         * doc/install.texi (Downloading GCC): Clarify mention of
7762         Fortran in the "full distribution" description.
7764 2006-10-19  Daniel Berlin  <dberlin@dberlin.org>
7766         Fix PR tree-optimization/28778
7767         Fix PR tree-optimization/29156
7768         Fix PR tree-optimization/29415
7769         * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7770         (tree_decl_with_vis): Add artificial_pta_var flag.
7771         * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7772         pushed into callers.
7773         * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7774         (nonlocal_all): Ditto.
7775         (struct variable_info): Add directly_dereferenced member.
7776         (var_escaped_vars): New variable.
7777         (escaped_vars_tree): Ditto.
7778         (escaped_vars_id): Ditto.
7779         (nonlocal_vars_id): Ditto.
7780         (new_var_info): Set directly_dereferenced.
7781         (graph_size): New variable
7782         (build_constraint_graph): Use graph_size.
7783         (solve_graph): Don't process constraints that cannot change the
7784         solution, don't try to propagate an empty solution to our
7785         successors.
7786         (process_constraint): Set directly_dereferenced.
7787         (could_have_pointers): New function.
7788         (get_constraint_for_component_ref): Don't process STRING_CST.
7789         (nonlocal_lookup): New function.
7790         (nonlocal_insert): Ditto.
7791         (create_nonlocal_var): Ditto.
7792         (get_nonlocal_id_for_type): Ditto.
7793         (get_constraint_for): Allow results vector to be empty in the case
7794         of string constants.
7795         Handle results of calls properly.
7796         (update_alias_info): Update alias info stats on number and type of
7797         calls.
7798         (find_func_aliases): Use could_have_pointers.
7799         (make_constraint_from_escaped): Renamed from
7800         make_constraint_to_anything, and changed to make constraints from
7801         escape variable.
7802         (make_constraint_to_escaped): New function.
7803         (find_global_initializers): Ditto.
7804         (create_variable_info_for): Make constraint from escaped to any
7805         global variable, and from any global variable to the set of
7806         escaped vars.
7807         (intra_create_variable_infos): Deal with escaped instead of
7808         pointing to anything.
7809         (set_uids_in_ptset): Do type pruning on directly dereferenced
7810         variables.
7811         (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7812         (init_base_vars): Fix comment, and initialize escaped_vars.
7813         (need_to_solve): Removed.
7814         (find_escape_constraints): New function.
7815         (expand_nonlocal_solutions): Ditto.
7816         (compute_points_to_sets): Call find_escape_constraints and
7817         expand_nonlocal_solutions.
7818         (delete_points_to_sets): Don't fall off the end of the graph.
7819         (init_alias_heapvars): Initialize nonlocal_for_type and
7820         nonlocal_all.
7821         (delete_alias_heapvars): Free nonlocal_for_type and null out
7822         nonlocal_all.
7824 2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>
7826         * fold-const.c (add_double): Rename to add_double_with_sign.
7827         Add 'unsigned_p' parameter and take it into account for the overflow.
7828         (mul_double): Rename to mul_double_with_sign.
7829         Add 'unsigned_p' parameter and take it into account for the overflow.
7830         (fold_div_compare): Call add_double_with_sign instead of add_double
7831         and mul_double_with_sign instead of mul_double, passing them the
7832         unsignedness of the type.
7833         * tree.h (add_double): Macroize.
7834         (add_double_with_sign): New prototype.
7835         (mul_double): Macroize.
7836         (mul_double_with_sign): New prototype.
7838 2006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>
7840         * config/score/crti.asm: New file.
7841         * config/score/crtn.asm: New file.
7842         * config/score/elf.h: New file.
7843         * config/score/mac.md: New file.
7844         * config/score/misc.md: New file.
7845         * config/score/mul-div.S: New file.
7846         * config/score/predicates.md: New file.
7847         * config/score/score7.md: New file.
7848         * config/score/score.c: New file.
7849         * config/score/score-conv.h: New file.
7850         * config/score/score.h: New file.
7851         * config/score/score.md: New file.
7852         * config/score/score-mdaux.c: New file.
7853         * config/score/score-mdaux.h: New file.
7854         * config/score/score-modes.def: New file.
7855         * config/score/score.opt: New file.
7856         * config/score/score-protos.h: New file.
7857         * config/score/score-version.h: New file.
7858         * config/score/t-score-elf: New file.
7859         * config.gcc: Add score*-*-* configurations(Update before).
7860         * doc/invoke.texi (Score Options): New section.
7861         * doc/md.texi (Score family): New section to document constraints.
7863 2006-10-19  Nick Clifton  <nickc@redhat.com>
7865         * config/arm/arm.c: Fix spelling typo.
7867 2006-10-18  Tom Tromey  <tromey@redhat.com>
7869         * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7871 2006-10-18  Jan Hubicka  <jh@suse.cz>
7873         PR middle-end/29299
7874         * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7875         are used.
7877 2006-10-18  Marcin Dalecki  <martin@dalecki.de>
7879         * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7880         TSI_SAME_STMT, since that's the desired entity.
7882 2006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>
7884         * config/s390/contraints.md: New file.
7885         * config/s390/s390-protos.h (s390_mem_constraint,
7886         s390_O_constraint_str, s390_N_constraint_str,
7887         s390_float_const_zero_p): Function prototypes added.
7888         * config/s390/s390.c (s390_extra_constraint_str,
7889         s390_const_double_ok_for_constraint_p,
7890         s390_const_ok_for_constraint_p): Functions removed.
7891         (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7892         s390_float_const_zero_p): New functions.
7893         * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7894         CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7895         EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7896         Macro definitions removed.
7897         (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7898         s390_extra_constraint_str): Functions removed.
7900 2006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
7901             Richard Sandiford  <richard@codesourcery.com>
7903         PR target/29413
7904         * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7905         * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7907 2006-10-16  Geoffrey Keating  <geoffk@apple.com>
7909         * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7910         (DWARF2_FRAME_REG_OUT): Likewise.
7911         * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7912         (DWARF2_FRAME_REG_OUT): Likewise.
7914 2006-10-17  Paul Brook  <paul@codesourcery.com>
7916         * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7918 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
7920         * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7921         Standardize on "GNU Fortran" as the official name of the Fortran
7922         compiler.
7924 2006-10-16  Mike Stump  <mrs@apple.com>
7926         * doc/invoke.texi (Darwin Options): Document -mkernel.
7927         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7928         -mkernel support.
7929         (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
7930         SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7931         (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7932         (OS_MISSING_ALTIVEC): Add.
7933         * config/i386/i386.c (override_options): Add
7934         SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7935         * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7936         -mkernel, -static or -mdynamic-no-pic is given.
7937         (C_COMMON_OVERRIDE_OPTIONS): Add.
7938         * config/darwin.opt (fapple-kext): Add.
7939         (mkernel): Add.
7940         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7941         -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7942         -mkernel support.
7943         (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7944         (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7945         (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7946         (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7947         (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7948         (flag_mkernel): Add.
7949         (flag_apple_kext): Add.
7950         (TARGET_KEXTABI): Add.
7951         * config/darwin.c (darwin_handle_kext_attribute): Add.
7952         (DARWIN_VTABLE_P): Add.
7953         (darwin_binds_local_p): Add partial support for rebinding vtables
7954         in kexts.
7955         (darwin_kextabi_p): Add.
7956         (darwin_override_options): Add.
7957         * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7958         (darwin_kextabi_p): Add.
7959         (darwin_override_options): Add.
7960         * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7961         __DYNAMIC__ and __STATIC__ here.
7963 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
7965         * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7966         Added mention of "make pdf" target, and Texinfo requirements for
7967         same.
7969 2006-10-16  DJ Delorie  <dj@redhat.com>
7971         * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7972         into the GOT in case we need a subreg of the address.
7974 2006-10-16  Richard Guenther  <rguenther@suse.de>
7976         PR target/25519
7977         * doc/extend.texi (X86 Built-in Functions): Fix typos in
7978         SSE builtin documentation.  Document SSE2 builtins.
7980 2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7982         * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7983         symbol in the output file for non-shared links when -nostdlib or
7984         -nodefaultlibs isn't specified.
7986         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7987         posix thread support.
7989 2006-10-15  Jan Hubicka  <jh@suse.cz>
7991         PR middle-end/29241
7992         * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7993         declared always_inline even when not inlining.
7995 2006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
7996             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7997             Andrew Pinski  <pinskia@gmail.com>
7999         PR middle-end/29111
8000         * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
8002 2006-10-15  Jan Hubicka  <jh@suse.cz>
8003             Richard Guenther  <rguenther@suse.de>
8005         PR middle-end/29299
8006         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
8007         process_function_and_variable_attributes on all variables, including
8008         those discovered during cgraph construction phase.
8010 2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>
8012         * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
8014 2006-10-14  Uros Bizjak  <uros@kss-loka.si>
8016         * config/i386/athlon.md (athlon_fist): Add fisttp.
8018 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
8019             Ian Lance Taylor  <ian@airs.com>
8021         PR middle-end/29250
8022         * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
8023         CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
8024         recursing.
8026 2006-10-14  Kazu Hirata  <kazu@codesourcery.com>
8028         * config/score/score.c, config/score/score.h: Fix comment
8029         typos.
8031 2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8033         PR bootstrap/29402
8034         * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
8035         shell pipeline.
8037 2006-10-13  Eric Christopher  <echristo@apple.com>
8039         * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
8041 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
8043         Revert this change:
8044         2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
8045         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8046         alignment supported by 32-bit ELF.
8048 2006-10-13  Eric Christopher  <echristo@apple.com>
8050         * config/darwin.c (darwin_emit_unwind_label): Strip
8051         name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
8053 2006-10-13  Richard Guenther  <rguenther@suse.de>
8055         PR tree-optimization/29446
8056         * tree-vrp.c (fix_equivalence_set): Remove.
8057         (extract_range_from_assert): Do not call fix_equivalence_set.
8058         (debug_value_range): Print a newline.
8059         (compare_name_with_value): For equivalence sets with
8060         inconsistent value ranges conservatively bail out.
8061         (compare_names): Likewise.
8063 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
8065         * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
8066         and MPFR for gfortran.
8068 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
8070         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8071         alignment supported by 32-bit ELF.
8073 2006-10-13  Paolo Bonzini  <bonzini@gnu.org>
8075         PR c/29092
8077         * c-typeck.c (digest_init): Always allow initializing vectors
8078         that have static storage duration with compound literals.
8079         * tree.c (build_type_attribute_qual_variant): New, based on
8080         build_type_attribute_variant.
8081         (build_type_attribute_variant): Rewrite using the former.
8082         (make_vector_type): Use build_type_attribute_qual_variant to build
8083         type variants.  Use type_hash_canon on the others.
8085 2006-10-13  Daniel Berlin <dberlin@dberlin.org>
8086             Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>
8088         * tree-flow-inline.h (zero_ssa_operands): Fix comment.
8090 2006-10-12  Jan Hubicka  <jh@suse.cz>
8092         PR c/28419
8093         * c-decl.c (c_make_fname_decl): Do not segfault in case where
8094         current_function_decl is set but current_function_scope is not.
8096 2006-10-12  Jie Zhang  <jie.zhang@analog.com>
8098         * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
8099         emit_insn to emit eh_return_internal instruction.
8100         (eh_return_internal): Explicitly set pc.
8102 2006-10-11  Richard Guenther  <rguenther@suse.de>
8104         PR tree-optimization/28230
8105         * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
8106         to the correct place.
8108 2006-10-11  Richard Guenther  <rguenther@suse.de>
8110         PR inline-asm/29119
8111         * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
8112         addressable.
8114 2006-10-10  Brooks Moses  <bmoses@stanford.edu>
8116         * configure.ac: Added pdf to "Make-hooks"
8117         * Makefile.in: Added TEXI2PDF definition, and various pdf-file
8118         targets and *.pdf file patterns in cleanup targets.
8119         * configure: Regenerated.
8121 2006-10-10  Anatoly Sokolov <aesok@post.ru>
8123         * config/avr/predicates.md: New file.
8124         * config/avr/avr.md: Include it.
8125         (REG_SP): New constant.
8126         (peepholes): Use predicates.
8127         (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
8128         difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
8129         sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
8131 2006-10-10  Adam Nemet  <anemet@caviumnetworks.com>
8133         * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
8134         avoid alias set 0.
8136 2006-10-10  Jakub Jelinek  <jakub@redhat.com>
8138         PR middle-end/29272
8139         * builtins.c (var_decl_component_p): New function.
8140         (fold_builtin_memset, fold_builtin_memory_op): Restrict
8141         single entry optimization to variables and components thereof.
8143 2006-10-10  Richard Guenther  <rguenther@suse.de>
8145         PR rtl-optimization/29323
8146         * except.c (set_nothrow_function_flags): For functions
8147         that do not bind local bail out early.
8149 2006-10-10  Ben Elliston  <bje@au.ibm.com>
8151         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
8152         -mdlmzb option.
8154 2006-10-09  Richard Henderson  <rth@redhat.com>
8156         Revert emutls patch.
8158 2006-10-09  Richard Guenther  <rguenther@suse.de>
8160         PR middle-end/29254
8161         * cgraphunit.c (verify_cgraph_node): Bail out on earlier
8162         errors.
8164 2006-10-09  Steve Ellcey  <sje@cup.hp.com>
8166         PR target/27880
8167         * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
8168         * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
8169         * configure: Regenerate.
8170         * config.in: Regenerate.
8172 2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
8174         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
8176 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
8178         * config/mips/mips.c (mips_legitimize_tls_address): Implement
8179         all TLS models in the same way as local exec if !TARGET_ABICALLS.
8180         Remove stray newline.
8182 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
8184         * config/mips/mips.c (mips_classify_symbol): Do not return
8185         SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
8186         (mips_in_small_data_p): Tweak comments.
8188 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
8190         * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
8192 2006-10-07  Kazu Hirata  <kazu@codesourcery.com>
8194         * gimplify.c, sched-int.h: Fix comment typos.
8196         * sched-int.h: Fix comment typos.
8198 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8200         * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
8201         New macros.
8202         * sched-ebb.c (begin_schedule_ready): Use them.
8203         * haifa-sched.c (schedule_insn, move_insn, try_ready,
8204         add_to_speculative_block, create_check_block_twin, speculate_insn,
8205         fix_jump_move, move_block_after_check): Ditto.
8206         * sched-rgn.c (new_ready): Ditto.
8208 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8210         PR rtl-optimization/29128
8211         * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
8212         * sched-ebb.c (advance_target_bb): Use it to fix condition to
8213         allow interblock movement of speculation checks.
8215 2006-10-06  Zdenek Dvorak <dvorakz@suse.cz>
8217         PR middle-end/29256
8218         * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
8219         casted to integer type.
8220         (get_address_cost): Decrease cost of [symbol + index] addressing modes
8221         if they are significantly more expensive than [reg + index] ones.
8223 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
8225         PR tree-optimization/29330
8226         * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
8227         (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
8228         on newly allocated ddrs.
8229         (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
8230         to VEC (loop_p, heap) pointer.
8231         (compute_data_dependences_for_loop): Adjust caller.
8232         (free_dependence_relations): Free DDR_LOOP_NEST.
8234         * tree-loop-linear.c (linear_transform_loops): Don't forget to
8235         free DEPENDENCE_RELATIONS and DATAREFS.
8237         PR target/28924
8238         * builtins.c (expand_builtin_sync_operation,
8239         expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
8240         Use convert_to_mode to handle promoted arguments.
8242 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
8244         * print-tree.c (print_node_brief, print_node): Print sign of Inf.
8246 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
8248         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
8250 2006-10-05  Uros Bizjak  <uros@kss-loka.si>
8252         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
8253         "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
8254         Use <modeconstraint> instead of "r" as operand 1 constraint.
8256 2006-10-06  Olivier Hainque  <hainque@adacore.com>
8258         * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
8259         Don't recurse on the pointed-to type.
8260         * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
8261         DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
8262         types with components of variable size.
8264 2006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
8266         * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
8268 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
8270         PR tree-optimization/29290
8271         * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
8272         multiple exits.
8274         PR target/29198
8275         * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
8276         * config/i386/predicates.md (local_symbolic_operand): Likewise.
8278         PR c/29091
8279         * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
8280         the number of vector elements fill the rest with zeros.
8282 2006-10-05  Richard Sandiford  <richard@codesourcery.com>
8284         * config/mips/mips.c (mips_pass_by_reference): Do not return false
8285         for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
8286         instead.
8288 2006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8290         * config/bfin/bfin.md (subsi3): Lose expander, change previously
8291         unnamed pattern into subsi3.  Use correct constraints/predicates.
8292         * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8293         * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8295 2006-10-05  Ira Rosen  <irar@il.ibm.com>
8297         * doc/loop.texi: Add data references analysis description.
8299 2006-10-04  Brooks Moses  <bmoses@stanford.edu>
8301         * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8303 2006-10-04  Richard Henderson  <rth@redhat.com>
8304             Jakub Jelinek  <jakub@redhat.com>
8306         * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8307         * builtin-types.def (BT_WORD): Make unsigned.
8308         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8309         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8310         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8311         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8312         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8313         * cgraph.c (decide_is_variable_needed): Look at force_output.
8314         Recurse for emulated tls.
8315         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8316         checks redundant with decide_is_variable_needed.
8317         (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8318         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8319         emulated tls.
8320         * expr.c (emutls_var_address): New.
8321         (expand_expr_real_1): Expand emulated tls.
8322         (expand_expr_addr_expr_1): Likewise.
8323         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8324         * output.h (emutls_finish): Declare.
8325         * toplev.c (compile_file): Call it.
8326         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8327         address before wrapping in CONST.
8328         * varasm.c (emutls_htab, emutls_object_type): New.
8329         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8330         (get_emutls_object_name, get_emutls_object_type): New.
8331         (get_emutls_init_templ_addr, emutls_decl): New.
8332         (emutls_common_1, emutls_finish): New.
8333         (assemble_variable): When emulating tls, swap decls; generate
8334         constructor for the emutls objects.
8335         (do_assemble_alias): When emulating tls, swap decl and target name.
8336         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8337         for emulated tls.
8338         * emutls.c: New file.
8339         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8340         tls_object for real tls.
8342 2006-10-04  Zack Weinberg  <zackw@panix.com>
8344         Fix bug in constraint-check generator, reported by Rask Ingemann
8345         Lambertsen:
8346         * genpreds.c (add_constraint): Don't remove anything from the
8347         expression here.
8348         (write_tm_constrs_h): Detect whether "op" argument is used, and
8349         mark it ARG_UNUSED if it isn't.
8350         (write_insn_const_int_ok_for_constraint): Skip the part of the
8351         expression that would test whether "op" (which is not available
8352         here) is a CONST_INT.
8354 2006-10-04  Ryan Mansfield  <rmansfield@qnx.com>
8356         PR c++/28448
8357         * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8359 2006-10-03  Geoffrey Keating  <geoffk@apple.com>
8361         * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8362         current Leopard versions.
8363         * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8365 2006-10-03  Kazu Hirata  <kazu@codesourcery.com>
8367         * doc/install.texi: Fix typos.
8369 2006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8371         * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8372         * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8373         * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8375 2006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>
8377         * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8378         arg to be struct mach_header_64* instead.
8380 2006-10-02  Jakub Jelinek  <jakub@redhat.com>
8382         PR c/29154
8383         * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8384         side effects after the outer expression's post side effects.
8386 2006-10-01  Sandra Loosemore  <sandra@codesourcery.com>
8388         * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
8389         comments to reflect actual behavior and relationship between
8390         DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8392         * doc/c-tree.texi (Working with declarations): Fix documentation
8393         of FIELD_DECL likewise.
8395 2006-10-01  Ryan Mansfield  <rmansfield@qnx.com>
8397         PR c/20533
8398         * doc/extend.texi: Add used variable attribute description.
8400 2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
8402         PR c/24010
8403         * c.opt (Woverride-init): New.
8404         * c-opts.c (c_common_post_options): Default warn_override_init to
8405         extra_warnings.
8406         * c-typeck.c (add_pending_init, output_init_element): Warn for
8407         overriding initializers without side effects.
8408         * doc/invoke.texi (-Woverride-init): Document.
8409         (-Wextra): Update.
8411 2006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
8413         PR rtl-optimization/28096
8414         * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8415         assignment has already been used as a destination earlier in the block.
8417 2006-09-29  Eric Botcazou  <ebotcazou@adacore.com>
8419         * builtins.c (expand_builtin_setjmp): Delete.
8420         (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8421         <BUILT_IN_SETJMP_SETUP>: New case.
8422         <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8423         <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8424         * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8425         (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8426         (BUILT_IN_SETJMP_RECEIVER): Likewise.
8427         * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8428         (lower_function_body): Initialize it to false.  If it is set to true
8429         at the end of the processing, emit the setjmp dispatcher.
8430         (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8431         is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8432         <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8433         on the rhs of the assignment.
8434         (lower_builtin_setjmp): New function.
8435         * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8436         BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8437         * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8438         to detect calls that can go to non-local labels.  Use specific
8439         helper to create the abnormal edges associated with them.
8440         <MODIFY_EXPR>: Likewise.
8441         (make_abnormal_goto_edges): New function extracted from...
8442         (make_goto_expr_edges): ...here.  Call it for computed gotos.
8443         (simple_goto_p): Minor tweak.
8444         (tree_can_make_abnormal_goto): New predicate.
8445         (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8446         (tree_purge_dead_abnormal_call_edges): New function.
8447         * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8448         (tree_purge_dead_abnormal_call_edges): Likewise.
8449         (make_abnormal_goto_edges): Likewise.
8450         * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8451         Purge all dead abnormal edges if the call was in the last statement.
8452         * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8453         (execute_fixup_cfg): If there are non-local labels in the function,
8454         scan the basic blocks and split them at calls that can go to non-local
8455         labels or add missing abnormal call edges.  Write down the CFG in the
8456         dump file.
8457         (pass_fixup_cfg): Remove TODO_dump_func flag.
8458         * unwind-sjlj.c: Poison setjmp.
8459         * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8460         * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8461         (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8462         (DONT_USE_BUILTIN_SETJMP): Document it.
8464 2006-09-28  Geoffrey Keating  <geoffk@apple.com>
8466         PR target/28617
8467         * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8468         to 1 when __ppc64__ is defined.
8469         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8470         darwin-64.c.
8471         * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8473 2006-09-28  Steve Ellcey  <sje@cup.hp.com>
8475         * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8476         * config/ia64/unwind-hpux.c: Delete.
8478 2006-09-28  Eric Botcazou  <ebotcazou@adacore.com>
8480         * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8481         on the element before gimplifying it, instead of punting if it is of
8482         variable size.
8484 2006-09-28  Zdenek Dvorak <dvorakz@suse.cz>
8486         * doc/loop.texi: New file.
8487         * doc/gccint.texi: Reference loop.texi.
8488         * Makefile.in (loop.texi): Add.
8490 2006-09-27  Geoffrey Keating  <geoffk@apple.com>
8492         * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8493         __sysctl.
8494         * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8495         * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8497 2006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8499         * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8501 2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
8503         * doc/install.texi: Document required versions of GMP and MPFR.
8505 2006-09-27  Paul Brook  <paul@codesourcery.com>
8507         PR target/29230
8508         * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8510 2006-09-27  Richard Sandiford  <richard@codesourcery.com>
8512         * reload1.c (alter_reg): Require the alignment of the stack slot to
8513         be at least reg_max_ref_width bytes.
8514         (scan_paradoxical_subregs): Record the largest width in
8515         reg_max_ref_width.
8517 2006-09-26  Jakub Jelinek  <jakub@redhat.com>
8519         PR middle-end/25261
8520         PR middle-end/28790
8521         * tree-nested.c (struct nesting_info): Added static_chain_added.
8522         (convert_call_expr): Set static_chain_added when adding static
8523         chain.  Handle OMP_PARALLEL and OMP_SECTION.
8525 2006-09-25  Matthias Klose  <doko@debian.org>
8527         * doc/invoke.texi: Add missing full stop.
8529 2006-09-25  Richard Henderson  <rth@redhat.com>
8531         * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8532         before cgraph_function_flags_ready.
8534 2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
8535             Adam Nemet  <anemet@caviumnetworks.com>
8537         * tree-ssa-loop-ivopts.c (aff_combination_convert,
8538         determine_common_wider_type): New functions.
8539         (get_computation_aff): Use them to simplify arithmetic between
8540         UBASE and CBASE if they are shortened from the same type.
8542 2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
8544         PR target/28911
8545         * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8546         -2147483647 - 1 instead of 0x80000000.
8548 2006-09-23  Revital1 Eres  <ERES@il.ibm.com>
8550         * flags.h (HONOR_NANS): Fix typo in comment.
8552 2006-09-23  Uros Bizjak <uros@kss-loka.si>
8554         * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8556 2006-09-23  Jakub Jelinek  <jakub@redhat.com>
8558         PR c/28706
8559         PR c/28712
8560         * tree.c (merge_attributes, attribute_list_contained): If both
8561         TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8562         simple_cst_equal.
8563         * c-typeck.c (comptypes_internal): Don't consider aggregates
8564         in different TUs as compatible if there one set of attributes is
8565         not a subset of the other type's attributes.
8566         (composite_type): Try harder not to create a new aggregate type.
8568 2006-09-22  Geoffrey Keating  <geoffk@apple.com>
8570         * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8571         * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8572         or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
8573         (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8574         than replicating condition above.
8575         * config.host (i[34567]86-*-*): Always use driver-i386.o.
8577         * config/darwin.h (LINK_SYSROOT_SPEC): New.
8578         (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8579         the linker by default.
8581 2006-09-22  Mike Stump  <mrs@apple.com>
8583         * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8584         code.
8586 2006-09-22  Richard Guenther  <rguenther@suse.de>
8588         PR middle-end/28964
8589         * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8590         sort of stack variables stable.
8592 2006-09-22  Peter Bergner <bergner@vnet.ibm.com>
8594         PR middle-end/28690
8595         * explow.c (force_reg): Set REG_POINTER flag according to
8596         MEM_POINTER flag.
8598 2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
8600         PR tree-optimization/28888
8601         * tree-if-conv.c (combine_blocks): Rewritten.
8602         * tree-cfg.c (tree_verify_flow_info): Check that edges with
8603         EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8605 2006-09-22  Jakub Jelinek  <jakub@redhat.com>
8607         * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8608         needed.
8610 2006-09-21  Richard Sandiford  <richard@codesourcery.com>
8612         * varasm.c (copy_constant): Fix reversed gcc_assert check.
8614 2006-09-21  Janis Johnson  <janis187@us.ibm.com>
8616         * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8618 2006-09-21  Roger Sayle  <roger@eyesopen.com>
8620         PR debug/29132
8621         * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8622         dw_fde_current_label, to be the start of the function, i.e. the same
8623         value as dw_fde_begin.
8625 2006-09-20  Richard Sandiford  <richard@codesourcery.com>
8627         * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8628         * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8629         (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8630         (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8631         (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8632         (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8633         (abs<mode>2, neg<mode>2): Likewise.
8634         * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8635         (*mips_abs_ps): New define_insn.
8637 2006-09-20  Josh Conner  <jconner@apple.com>
8639         PR middle-end/25505
8640         * calls.c (expand_call): Allow reuse of structure return stack
8641         temp.
8643 2006-09-20  Paul Brook  <paul@codesourcery.com>
8645         * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8646         positive offsets.
8648 2006-09-20  Janis Johnson  <janis187@us.ibm.com>
8650         * doc/extend.texi (Decimal Float): Update for latest draft TR,
8651         clean up terminology.
8653 2006-09-20  Steve Ellcey  <sje@cup.hp.com>
8655         PR target/28574
8656         * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8657         with tablejumps in them.
8659 2006-09-20  Jakub Jelinek  <jakub@redhat.com>
8661         PR middle-end/28046
8662         * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8663         wrap it into TARGET_EXPR.
8665 2006-09-20  Eric Christopher  <echristo@apple.com>
8667         * config/i386/i386.c (x86_fisttp): Remove.
8668         * config/i386/i386.h (x86_fisttp): Ditto.
8669         (TARGET_FISTTP): Ditto.
8671 2006-09-19  Eric Christopher  <echristo@apple.com>
8673         * doc/tm.texi (OBJC_JBLEN): Describe.
8674         * config/i386/darwin.h (OBJC_JBLEN): Define.
8675         * config/rs6000/darwin.h: Ditto.
8677 2006-09-19  Steven Bosscher  <steven@gcc.gnu.org>
8679         PR rtl-optimization/21299
8680         * reload1.c (reload): Purge invalid ASMs in the final pass.
8682 2006-09-19  Steve Ellcey  <sje@cup.hp.com>
8684         PR  28490
8685         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8686         pointers as legitimate constants.
8688 2006-09-19  Paul Brook  <paul@codesourcery.com>
8690         PR target/28516
8691         * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8693 2006-09-17  Zdenek Dvorak <dvorakz@suse.cz>
8695         PR tree-optimization/28887
8696         * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8697         component parts from the reference.
8698         (gather_memory_references_ref): Record the reference without the
8699         nonaddressable component parts.
8701 2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>
8703         PR c/25993
8704         * c-opts.c (c_common_handle_option): Ignore the -std options
8705         if the input language is assembly.
8707 2006-09-17  Ira Rosen  <irar@il.ibm.com>
8709         PR tree-opt/21591
8710         * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8711         tag first.
8712         (ptr_ptr_may_alias_p): Likewise.
8713         (record_record_differ_p): New function.
8714         (base_object_differ_p): Call record_record_differ_p.
8716 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
8718         PR tree-opt/29059
8719         * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8720         away for the expr argument.
8722 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
8724         PR tree-opt/27742
8725         * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8726         before using it for dumping after vectorizing loops.
8728 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
8729             Jack Howarth  <howarth@bromo.med.uc.edu>
8731         PR target/29030
8732         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8733         skip on error_mark_node.
8734         (rs6000_darwin64_record_arg_recurse): Likewise.
8736 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
8738         * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8739         * doc/rtl.texi: Remove related documentation.
8741 2006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>
8743         * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8744         printf.
8746 2006-09-15  Jim Wilson  <wilson@specifix.com>
8748         * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8749         Handle symbol offsets same as they are handled in ia64_expand_move
8750         and move_operand.
8752 2006-09-16  Andreas Tobler  <a.tobler@schweiz.org>
8754         * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8755         Add forgotten parameter to the fprintf call.
8757 2006-09-15  Steve Ellcey  <sje@cup.hp.com>
8759         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8761 2006-09-15  Uros Bizjak <uros@kss-loka.si>
8763         * doc/contrib.texi: Add my entry.
8765 2006-09-15  Nick Clifton  <nickc@redhat.com>
8767         * doc/md.texi (Processor pipeline description): Fix typo in
8768         example of how to use the absence_set directive and reword the
8769         description to make it slightly easier to read.
8771 2006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>
8773         * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8774         * loop-doloop.c (doloop_optimize): Use it to limit costs of
8775         expanding the number of iterations.
8776         * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8778         * cfgrtl.c (emit_insn_at_entry): New function.
8779         * rtl.h (emit_insn_at_entry): Declare it.
8780         * integrate.c (emit_initial_value_sets): Use it.
8782         * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8784         * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8785         bad.
8786         (struct loop_work and related VEC declarations): Delete.
8787         (bfin_dump_loops): Print out new member bad.
8788         (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
8789         (bfin_scan_loop): Don't recurse.
8790         (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8791         loops.  No longer need to update outer loops if the current one is
8792         found bad.  Move some validitiy checks to bfin_discover_loop.
8793         (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8794         but changed not to check for nesting.  Also changed to use the new bad
8795         flag.
8796         (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8797         time.  Use bitmap based test to discover loop nesting.
8799 2006-09-15  Kazu Hirata  <kazu@codesourcery.com>
8801         * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8802         one line.
8804 2006-09-14  Richard Guenther  <rguenther@suse.de>
8805             Kazu Hirata  <kazu@codesourcery.com>
8807         PR middle-end/28884.
8808         * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8809         (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8810         Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8811         with TARGET_FUNCTION_VALUE.
8813 2006-09-14  Anatoly Sokolov <aesok@post.ru>
8815         PR target/26504
8816         * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8818 2006-09-13  Aldy Hernandez  <aldyh@redhat.com>
8820         * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8821         of a RETURN_EXPR
8823 2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
8825         PR debug/28980
8826         * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8827         FUNCTION_DECL.
8829 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8831         * basic_block.h (bb_has_eh_pred): Fix comment.
8833 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8835         * flow.c (calculate_global_regs_live): Invalidate eh registers
8836         on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8837         (propagate_block): Handle eh registers as if they were set at basic
8838         block start.
8839         * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8840         registers.
8841         * global.c (global_conflicts): Make eh registers to conflict with
8842         pseudos live at basic block begin.
8843         * basic_block.h (bb_has_eh_pred): New function.
8845 2006-09-13  Richard Sandiford  <richard@codesourcery.com>
8847         PR rtl-optimization/28982
8848         * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8849         index of a PRE_MODIFY or POST_MODIFY address.
8850         * reload1.c (inc_for_reload): Use find_replacement on the original
8851         base and index registers.
8853 2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>
8855         * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8856         for -Os. Update __m128 alignment requirement.
8858 2006-09-13  Jan Hubicka  <jh@suse.cz>
8860         * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8862 2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8864         PR rtl-optimization/28243
8865         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8866         the insn to which the note was originally attached.
8868 2006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
8869             Roger Sayle  <roger@eyesopen.com>
8871         * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8872         outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8873         on platforms that don't use dwarf for debug info.
8875 2006-09-12  Jason Merrill  <jason@redhat.com>
8877         PR middle-end/28493
8878         * builtins.c (expand_builtin_setjmp_receiver): Clobber
8879         hard_frame_pointer_rtx after using it to update the frame pointer.
8881 2006-09-12  Roger Sayle  <roger@eyesopen.com>
8883         * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8884         (TARGET_ASM_CLOSE_PAREN): Likewise.
8885         * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8886         (TARGET_ASM_CLOSE_PAREN): Likewise.
8888 2006-09-12  Roger Sayle  <roger@eyesopen.com>
8890         PR target/22223
8891         * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8892         frame information for frames larger than 512 Kbytes on Tru64 when
8893         using the native assembler.
8895 2006-09-12  Roger Sayle  <roger@eyesopen.com>
8897         PR middle-end/4520
8898         PR bootstrap/28784
8899         * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8900         and symbols.  Instead use the implementation from cse.c's hash_rtx.
8902 2006-09-12  Jan Hubicka  <jh@suse.cz>
8904         PR rtl-optimization/28071
8905         * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8906         (vect_transform_loop): Likewise.
8907         * tree-vectorizer.c (new_loop_vec_info): Likewise.
8908         (new_loop_vec_info): Likewise.
8909         (destroy_loop_vec_info): Likewise.
8910         * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8911         (create_stmt_ann): Likewise.
8912         (create_tree_ann): Rename to ...
8913         (create_tree_common_ann): ... this one; allocate only the common part
8914         of annotations.
8915         * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8916         (get_value_handle): Likewise.
8917         * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8918         get_tree_common_ann.
8919         * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8920         (vinfo_for_stmt): Use stmt annotations.
8921         * tree-flow.h (tree_ann_common_t): New type.
8922         (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8923         (tree_ann, get_tree_ann, create_tree_ann): New.
8924         * tree-flow-inline.h (get_function_ann): Do more type checking.
8925         (stmt_ann): Likewise.
8926         (tree_ann): Rename to ...
8927         (tree_common_ann): ... this one; return ony common_ann
8928         (get_tree_ann): Rename to ...
8929         (tree_common_ann): This one; return only common_ann.
8930         * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8931         of set_stmt_info.
8933 2006-09-11  Geoffrey Keating  <geoffk@apple.com>
8935         * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8936         with_cpu by default.
8938         * dwarf2out.c (dwarf_file_data): New.
8939         (enum dw_val_class): Add dw_val_class_file.
8940         (struct dw_val_struct): Add val_file.
8941         (file_table): Change to a hash table.
8942         (file_table_emitted): Delete.
8943         (file_table_last_lookup_index): Delete.
8944         (emitcount): Delete.
8945         (last_emitted_file): New.
8946         (lookup_filename): Change prototype to return a struct dwarf_file_data.
8947         (init_file_table): Delete.
8948         (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8949         (AT_addr): Add comment.
8950         (add_AT_file): New.
8951         (AT_file): New.
8952         (get_AT_file): New.
8953         (print_die): Handle dw_val_class_file.
8954         (print_dwarf_line_table): Update for new file table structure.
8955         (attr_checksum): Do checksum a filename.
8956         (same_dw_val_p, same_attr_p): Do compare a filename.
8957         (size_of_die): Handle dw_val_class_file.
8958         (value_format): Likewise.
8959         (output_die): Likewise.  Also, call maybe_emit_file here.
8960         (struct file_info): Constify filenames.  Make file_idx a pointer
8961         to a struct dwarf_file_data.
8962         (struct dir_info): Constify directory names.  Remove 'used' field.
8963         (struct file_name_acquire_data): New.
8964         (file_name_acquire): New.
8965         (output_file_names): Modify to handle new file data structures.
8966         (add_src_coords_attributes): Use add_AT_file.
8967         (add_call_src_coords_attributes): Likewise.
8968         (dwarf2out_imported_module_or_decl): Likewise.
8969         (gen_subprogram_die): Modify for new file data structures.
8970         (gen_variable_die): Likewise.
8971         (file_table_eq): New.
8972         (file_table_hash): New.
8973         (file_table_last_lookup): New.
8974         (lookup_filename): Rewrite to handle new file data structures.
8975         (maybe_emit_file): Rewrite to handle new file data structures.
8976         (dwarf2out_source_line): Always call lookup_filename and
8977         maybe_emit_file.
8978         (dwarf2out_init): Create file_table here.
8979         (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8980         (file_table_relative_p): New.
8981         (dwarf2out_finish): Change detection of relative filenames
8982         to work with new file data structures.  Move output_line_info call
8983         after debug_info output.
8985 2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>
8987         PR target/13685
8988         PR target/27537
8989         PR target/28621
8990         * config/i386/i386.c (override_options): Always default to 16
8991         byte stack boundary.
8993 2006-09-11  Alexandre Oliva  <aoliva@redhat.com>
8995         PR target/28672
8996         * var-tracking.c (dump_dataflow_set): Start dumping at
8997         register zero.
8998         (clobber_variable_part): Kill only the variable part in
8999         registers holding it, leaving other variables alone.
9001 2006-09-11  Josh Triplett  <josh@freedesktop.org>
9003         * doc/extend.texi (Other Builtins): Actually use the macro
9004         argument in the documentation example for
9005         __builtin_types_compatible_p.
9007 2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
9009         PR rtl-optimization/28726
9010         * sched-deps.c (sched_analyze_reg): New function extracted from...
9011         (sched_analyze_1): ...here.  Call it to analyze references to
9012         registers.  Treat again writes to a stack register as writing to the
9013         register.
9014         (sched_analyze_2): ...and here.  Call it to analyze references to
9015         registers.  Treat again reads of a stack register as reading the
9016         register.
9018 2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
9019             David Edelsohn  <edelsohn@gnu.org>
9021         PR target/27287
9022         * config/rs6000/spe.md (frob_df_di): Remove %H.
9023         (frob_di_df): Remove %H.  Change evmergelo to mr.
9024         (frob_di_df_2): Remove %H.  Change evldd to two loads.
9026 2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>
9028         * doc/cpp.texi: Fix names of charset options.
9030 2006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>
9032         PR target/29009
9033         * config/i386/i386.c (override_options): Use 128-bit
9034         stack boundary always for 64bits.
9036 2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
9038         PR rtl-optimization/28636
9039         * combine.c (force_to_mode): Test for side-effects before
9040         substituting by zero.
9041         (simplify_shift_const): Likewise for zero or other constants.
9043 2006-09-10  Steven Bosscher  <steven@gcc.gnu.org>
9045         PR middle-end/26983
9046         * builtins.c (expand_builtin_setjmp): Force next_lab to be
9047         preserved.
9049 2006-09-10  Richard Sandiford  <richard@codesourcery.com>
9051         PR target/29006
9052         * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
9053         * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
9054         returned by mode_for_size, rather than the mode of src itself,
9055         to choose between 32-bit and 64-bit patterns.
9056         (mips_mem_fits_mode_p): New function.
9057         * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
9058         that the size of the source matches the size of the destination.
9059         (mov_<store>l, mov_<store>r): Likewise.
9061 2006-09-10  Eric Christopher  <echristo@apple.com>
9063         * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
9064         for literal16.
9066 2006-09-09  Eric Christopher  <echristo@apple.com>
9068         PR target/28995
9069         * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
9070         for literal16.
9072 2006-09-09  Roger Sayle  <roger@eyesopen.com>
9073             Nicolas Setton <setton@adacore.com>
9075         * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
9077 2006-09-10  Andreas Schwab  <schwab@suse.de>
9079         * config/m68k/m68k.md (bungt_rev): New pattern.
9081 2006-09-09  Paolo Bonzini  <bonzini@gnu.org>
9082             Dale Johannesen  <dalej@apple.com>
9084         PR target/26778
9085         * regclass.c (struct reg_pref): Update documentation.
9086         (regclass): Set prefclass to NO_REGS if memory is the best option.
9087         (record_reg_classes): Cope with a prefclass set to NO_REGS.
9089 2006-09-08  Eric Christopher  <echristo@apple.com>
9091         * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
9092         * config/t-slibgcc-darwin: Support x86_64 multilib.
9093         * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
9094         Return 1 for x86_64-darwin.
9095         * config/i386/t-darwin: Add m64 multilib.
9096         (LIB2_SIDITI_CONV_FUNCS): Use.
9097         (LIB2FUNCS_EXTRA): Ditto.
9098         * config/i386/darwin.h: Support x86_64.
9099         * config/i386/i386.c (override_options): Turn on flag_pic
9100         for x86_64-darwin. Disable flag_omit_pointer.
9101         (get_pc_thunk_name): Assert !TARGET_64BIT.
9102         (legitimate_address_p): Disable machopic addressing for
9103         x86_64.
9104         (legitimize_pic_address): Ditto.
9105         (ix86_expand_move): Ditto.
9106         (ix86_expand_call): Ditto.
9107         (machopic_output_stub): Ditto.
9108         * config/darwin.c (machopic_select_section): Support literal16.
9109         (machopic_select_rtx_section): Ditto.
9110         * config/darwin-sections.def: Ditto.
9111         * config/darwin-64.c: New.
9113 2006-09-08  Joseph S. Myers  <joseph@codesourcery.com>
9115         PR c/28504
9116         * c-tree.h (struct c_arg_info): Add pending_sizes.
9117         * c-parser.c (c_parser_parms_declarator,
9118         c_parser_parms_list_declarator): Initialize pending_sizes.
9119         * c-decl.c (get_parm_info): Initialize pending_sizes.
9120         (get_parm_info): Set pending_sizes.
9121         (grokdeclarator): Call put_pending_sizes for parameters for
9122         function definition only.
9124 2006-09-07  Jason Merrill  <jason@redhat.com>
9126         PR middle-end/27724
9127         * varasm.c (output_constant): Only strip actual no-op conversions.
9129         PR target/13685
9130         * config/i386/i386.c (override_options): Use 128-bit
9131         stack boundary if -msse.
9133 2006-09-07  Eric Christopher  <echristo@apple.com>
9135         * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
9136         comment.
9137         * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
9138         Redefine.
9140 2006-09-07  Geoffrey Keating  <geoffk@apple.com>
9142         * dwarf2out.c: Remove strange characters from comment above
9143         dwarf2out_frame_debug_expr.
9145 2006-09-07  Eric Christopher  <echristo@apple.com>
9147         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
9148         * config/darwin.h: ... to here.
9150 2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
9152         * config/i386/i386.c (x86_partial_flag_reg_stall): New.
9154         * config/i386/i386.h (x86_partial_flag_reg_stall): New.
9155         (TARGET_PARTIAL_FLAG_REG_STALL): New.
9157         * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
9158         TARGET_PARTIAL_FLAG_REG_STALL.
9159         (*ashldi3_cconly_rex64): Likewise.
9160         (*ashlsi3_cmp): Likewise.
9161         (*ashlsi3_cconly): Likewise.
9162         (*ashlsi3_cmp_zext): Likewise.
9163         (*ashlhi3_cmp): Likewise.
9164         (*ashlhi3_cconly): Likewise.
9165         (*ashlqi3_cmp): Likewise.
9166         (*ashlqi3_cconly): Likewise.
9167         (*ashrdi3_cmp_rex64): Likewise.
9168         (*ashrdi3_cconly_rex64): Likewise.
9169         (*ashrsi3_cmp): Likewise.
9170         (*ashrsi3_cconly): Likewise.
9171         (*ashrsi3_cmp_zext): Likewise.
9172         (*ashrhi3_cmp): Likewise.
9173         (*ashrhi3_cconly): Likewise.
9174         (*ashrqi3_cmp): Likewise.
9175         (*ashrqi3_cconly): Likewise.
9176         (*lshrdi3_cmp_rex64): Likewise.
9177         (*lshrdi3_cconly_rex64): Likewise.
9178         (*lshrsi3_cmp): Likewise.
9179         (*lshrsi3_cconly): Likewise.
9180         (*lshrsi3_cmp_zext): Likewise.
9181         (*lshrhi3_cmp): Likewise.
9182         (*lshrhi3_cconly): Likewise.
9183         (*lshrqi2_cmp): Likewise.
9184         (*lshrqi2_cconly): Likewise.
9186 2006-09-07 Uros Bizjak <uros@kss-loka.si>
9188         PR target/28946
9189         * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
9190         "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
9191         "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
9192         "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
9193         "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
9194         "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
9195         "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
9196         "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
9197         "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
9198         implement only CC setting effects of shift instructions.
9200 2006-09-07  Martin Michlmayr  <tbm@cyrius.com>
9202         * doc/contrib.texi: Add myself.
9204 2006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>
9206         PR middle-end/28862
9207         * stor-layout.c (relayout_decl): Don't zero the alignment if it
9208         was set by the user.
9210 2006-09-07  Paolo Bonzini  <bonzini@gnu.org>
9212         PR target/27117
9213         * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
9214         (divsi_inv_m1): Use them.
9215         (UNSPEC_DIV_INV_TABLE): New constant.
9217 2006-09-06  James E Wilson  <wilson@specifix.com>
9219         PR rtl-opt/27883
9220         * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
9221         then call count_or_remove_death_notes.
9223 2006-09-06  Jason Merrill  <jason@redhat.com>
9225         PR c++/27371
9226         * tree-inline.c (copy_result_decl_to_var): New fn.
9227         (declare_return_variable): Use it.  Call declare_inline_vars here.
9228         (expand_call_inline): Not here.
9230 2006-09-06  Diego Novillo  <dnovillo@redhat.com>
9232         * doc/contrib.texi: Update my entry.
9234 2006-09-06  Nick Clifton  <nickc@redhat.com>
9236         * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
9238 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
9240         PR tree-opt/28937
9241         * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
9242         (canonicalize_induction_variables): Likewise.
9243         (tree_unroll_loops_completely): Likewise.
9244         (tree_ssa_prefetch_arrays): Likewise.
9245         (remove_empty_loops): Likewise.
9246         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
9247         TODO_cleanup_cfg instead of directly calling
9248         cleanup_tree_cfg_loop.
9249         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
9250         Likewise.
9251         (tree_unroll_loops_completely): Likewise.
9252         (remove_empty_loops): Likewise.
9253         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
9254         * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
9255         of tree_ssa_unswitch_loops.
9256         (tree_ssa_loop_ivcanon): Use the return value of
9257         canonicalize_induction_variables.
9258         (tree_ssa_empty_loop): Use the return value of
9259         remove_empty_loops.
9260         (tree_complete_unroll): Use the return value of
9261         tree_unroll_loops_completely.
9262         (tree_ssa_loop_prefetch): Use the return value of
9263         tree_ssa_prefetch_arrays.
9264         * passes.c (execute_todo): Before Cleanup CFG, set
9265         updating_used_alone and after cleanup CFG, call
9266         recalculate_used_alone.
9268 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
9270         PR tree-opt/28952
9271         * tree-vect-transform.c (vectorizable_condition): Move the check
9272         for the type after the check for simple condition.
9274 2006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
9275             Kaz Kojima  <kkojima@gcc.gnu.org>
9277         PR target/28764
9278         * mode-switching.c (optimize_mode_switching): Make the destination
9279         block of an abnormal edge have no anticipatable mode.  Don't
9280         insert mode switching code at the end of the source block of
9281         an abnormal edge.
9283 2006-09-05  Paolo Bonzini  <bonzini@gnu.org>
9285         PR rtl-optimization/26847
9286         * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9287         (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9288         (simplify_plus_minus): Count n_constants while filling ops.  Replace
9289         qsort with insertion sort.  Before going through the array to simplify
9290         pairs, sort it.  Delay early exit until after the first sort, exiting
9291         only if no swaps occurred.  Simplify pairs in reversed order, without
9292         special-casing the first iteration.  Pack ops after simplifying pairs.
9294 2006-09-05  Anatoly Sokolov <aesok@post.ru>
9296         * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9297         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9298         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9299         (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9301 2006-09-05  Richard Guenther  <rguenther@suse.de>
9303         PR tree-optimization/28900
9304         * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9305         compound conditional before creating COND_EXPR condition.
9307 2006-09-05  Richard Guenther  <rguenther@suse.de>
9309         PR tree-optimization/28905
9310         * tree-vrp.c (fix_equivalence_set): Manually implement
9311         !value_ranges_intersect_p to also handle symbolic ranges.
9313 2006-09-05  Richard Guenther  <rguenther@suse.de>
9315         PR middle-end/28935
9316         * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9317         of a COND_EXPR.
9319 2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9321         PR rtl-optimization/27616
9322         * cse.c (table_size): New static variable.
9323         (new_basic_block): Initialize it to 0.
9324         (remove_from_table): Decrement it.
9325         (insert): Increment it.
9326         (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9327         (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
9328         fold_rtx_mem_1 if under the cap.
9329         (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9330         the lookup of the equivalent expression and test for equality of the
9331         first operand of the equivalent expression before in turn looking up
9332         an equivalent constant for the second operand.
9334 2006-09-02  Geoffrey Keating  <geoffk@apple.com>
9336         Revert this change:
9337         2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
9338         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9339         pointer, instead of assuming it is possible to derive the
9340         correct args size from a call insn.
9342 2006-09-02  Jakub Jelinek  <jakub@redhat.com>
9344         PR middle-end/27567
9345         * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9346         (fold_builtin_mempcpy): Rename to...
9347         (fold_builtin_memory_op): ... this.  Optimize one element copy
9348         into an assignment.
9349         (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9350         functions.
9351         (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9352         (expand_builtin_memcpy, expand_builtin_mempcpy,
9353         expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
9354         (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9355         BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
9356         BUILT_IN_MEM{CPY,PCPY,MOVE}.
9358 2006-09-01  DJ Delorie  <dj@redhat.com>
9360         * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9361         (stzx_16): Likewise.
9362         ("stzx_24_<mode>"): Likewise.
9363         ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9364         ("cmp<mode>_op"): New.
9365         (cmp<mode>): Change to expander; just save operands.
9366         (b<code>_op): New.
9367         (b<code>): Change to expander, emit compare here.
9368         (s<code>_op): Change to use split and expander.
9369         (s<code>_24_op): Likewise.
9370         (s<code>_<mode>): New.
9371         (s<code>_<mode>_24): New.
9372         (movqicc_<code>_<mode): New.
9373         (movhicc_<code>_<mode>): New.
9374         (s<code>): New.
9375         (s<code>_24): New.
9376         * config/m32c/m32c.c (compare_op0, compare_op1): New.
9377         (m32c_pend_compare): New.
9378         (m32c_unpend_compare): New.
9379         (m32c_expand_scc): New.
9380         (m32c_expand_movcc): Emit the compare also.
9381         * config/m32c/predicates.md (mra_nopp_operand): New.
9383 2006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
9384         Richard Guenther  <rguenther@suse.de>
9385         Adam Nemet  <anemet@caviumnetworks.com>
9387         PR middle-end/27226
9388         * builtins.c (get_pointer_alignment): Handle more forms
9389         of base addresses that can be used to derive more precise
9390         information about alignment.
9392 2006-09-01  Jason Merrill  <jason@redhat.com>
9394         PR c++/28899
9395         * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9396         want_value.
9398         * gimplify.c (voidify_wrapper_expr): Handle null type.
9400 2006-09-01  Josh Conner  <jconner@apple.com>
9402         PR c++/25505
9403         * tree-nrv.c (dest_safe_for_nrv_p): New function.
9404         (execute_return_slot_opt): Use it.
9406 2006-08-31  Josh Conner  <jconner@apple.com>
9408         PR c++/25505
9409         * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9410         returning aggregates.
9412 2006-08-31  Zdenek Dvorak <dvorakz@suse.cz>
9414         PR tree-optimization/28839
9415         * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9416         blocks in that phi arguments appear.
9418 2006-08-31  Roger Sayle  <roger@eyesopen.com>
9420         PR other/22313
9421         * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9422         NULL, otherwise use an advance_loc4 to adjust relative to the
9423         current label.
9424         (output_cfi) <DW_CFA_set_loc>: Update the current label.
9425         (dwarf2out_switch_text_section): Reset the current label to avoid
9426         using advance_loc4 over section boundaries.
9428 2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>
9430         PR target/24367
9431         * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9432         r12 + SYMBOLIC_CONST.
9434 2006-08-30  Richard Guenther  <rguenther@suse.de>
9436         * Makefile.in (see.o): Add $(EXPR_H) dependency.
9438 2006-08-30  Zdenek Dvorak <dvorakz@suse.cz>
9440         PR rtl-optimization/27735
9441         * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9442         Add new argument to keep track of whether an irreducible region
9443         was affected.  All callers changed.
9444         (fix_irreducible_loops): Removed.
9445         (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9446         flags were invalidated.
9448 2006-08-29  H.J. Lu  <hongjiu.lu@intel.com>
9450         * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9451         instead of SF operands.
9452         (*fop_df_comm_sse): Likewise.
9453         (*fop_df_comm_i387): Likewise.
9454         (*fop_df_1_mixed): Likewise.
9455         (*fop_df_1_sse): Likewise.
9457 2006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
9458             J"orn Rennecke  <joern.rennecke@st.com>
9460         PR tree-optimization/17506
9461         * tree-ssa.c (warn_uninit): If warning about a location outside of
9462         the current function, note where the variable was declared.
9464 2006-08-28  Zdenek Dvorak <dvorakz@suse.cz>
9466         PR tree-optimization/28411
9467         * double-int.c (double_int_div): Use double_int_divmod.
9468         (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9469         double_int_mod, double_int_smod, double_int_umod): New functions.
9470         * double-int.h (double_int_divmod, double_int_sdivmod,
9471         double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9472         Declare.
9473         * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9474         in double_int.
9475         (get_computation_aff, get_computation_cost_at): Handle double_int
9476         return type of constant_multiple_of.
9478 2006-08-28  Kazu Hirata  <kazu@codesourcery.com>
9480         PR middle-end/26632
9481         * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9482         an implicit conversion.
9484 2006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>
9486         * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9488 2006-08-27  Roger Sayle  <roger@eyesopen.com>
9490         * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9491         x87 instructions.
9493 2006-08-27  Kazu Hirata  <kazu@codesourcery.com>
9495         * config/i386/crtfastmath.c: Fix a comment typo.
9497 2006-08-26  Roger Sayle  <roger@eyesopen.com>
9499         * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9500         temporary visit flags on CASE_LABEL_EXPRs.
9501         * c-common.c (match_case_to_enum): Add function comment.  Avoid
9502         O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9503         (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
9504         CASE_HIGH_SEEN for enumerated types.  If the switch expression is
9505         a constant, only warn if that constant value isn't handled.
9507 2006-08-26  Joseph S. Myers  <joseph@codesourcery.com>
9509         PR c++/24009
9510         * input.h (restore_input_file_stack): Declare.
9511         (INPUT_FILE_STACK_BITS): Define.
9512         * toplev.c (fs_p, input_file_stack_history,
9513         input_file_stack_restored, restore_input_file_stack): New.
9514         (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9515         overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
9516         (pop_srcloc): Don't free old state of stack.
9518 2006-08-26  David Edelsohn  <edelsohn@gnu.org>
9520         PR target/27544
9521         * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9522         (PowerPC Type Attributes): New.
9524 2006-08-26  Bob Wilson  <bob.wilson@acm.org>
9526         * config/xtensa/xtensa.c (function_arg_boundary): New.
9527         (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9528         STACK_BOUNDARY.
9529         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9530         function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9532 2006-08-26  Jakub Jelinek  <jakub@redhat.com>
9534         PR middle-end/28683
9535         * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9536         3 following insns.
9538 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9540         * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9541         (verify_local_live_at_start): Likewise.
9543 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
9545         PR c/27893
9546         * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9547         omp_add_variable): Treat sizes as variable whenever not
9548         INTEGER_CST.
9550 2006-08-26  Richard Guenther  <rguenther@suse.de>
9552         PR middle-end/28814
9553         * fold-const.c (fold_binary): Fold temporary to correct
9554         type before constructing new comparison.
9556 2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>
9558         PR c/28418
9559         * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9560         variable again if DECL_SEEN_IN_BIND_EXPR_P.
9562 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
9564         PR c/28299
9565         * c-decl.c (start_function): Don't try to process prototype
9566         information from old declaration that isn't a function.
9568 2006-08-25  Jan Hubicka  <jh@suse.cz>
9570         PR target/28621
9571         * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9573 2006-08-25  Alan Modra  <amodra@bigpond.net.au>
9575         PR target/27075
9576         * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9577         for 8 byte objects.
9579 2006-08-25  J"orn Rennecke  <joern.rennecke@st.com>
9581         PR tree-optimization/16876
9582         * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9583         exit if PARM doesn't match VALUE.
9585 2006-08-25  Bob Wilson  <bob.wilson@acm.org>
9587         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9588         literal_prefix directive.
9589         (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9590         * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9591         * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9593 2006-08-25  David Edelsohn  <edelsohn@gnu.org>
9595         PR target/28753
9596         * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9597         predicate to general_operand.  Add 0->y and I->r alternatives.
9599 2006-08-25  Kazu Hirata  <kazu@codesourcery.com>
9601         * doc/tm.texi: Fix a typo.
9602         * predict.c: Fix comment typos.
9604 2006-08-25  Nick Clifton  <nickc@redhat.com>
9606         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9607         assertions of "cpu" and "machine".
9609 2006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>
9611         PR tree-opt/28807
9612         * tree-ssa-operands.c (access_can_touch_variable): Don't say
9613         the access through a base which has an alias set of 0 cannot
9614         touch the variable.
9616 2006-08-24  Bill Wendling  <wendling@apple.com>
9618         * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9620 2006-08-24  Jan Hubicka  <jh@suse.cz>
9622         * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9624 2006-08-24  Jan Hubicka  <jh@suse.cz>
9626         PR debug/26881
9627         * cgraph.c: Fix comments.
9628         (cgraph_varpool_mark_needed_node): Mark only variables not already
9629         output to file.
9630         * cgraphunit.c: Update comments; include gt-cgraphunit.h
9631         (cgraph_varpool_assembled_nodes_queue): New static variable.
9632         (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9633         (cgraph_varpool_output_debug_info): New function.
9634         (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9635         * Makefile.in: Add gt-cgraphunit.h
9637 2006-08-24  Jan Hubicka  <jh@suse.cz>
9639         * predict.c (probability_reliable_p): New predicate.
9640         (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9641         (predict_loops): Do not predict loop exit with less than 2%
9642         probability.
9643         * basic-block.h (edge_probability_reliable_p,
9644         br_prob_note_reliable_p): Declare.
9645         * ia64.h (ia64_print_operand): Do not disable on-chip branch
9646         prediction when static predictor is not reliable.
9647         * rs6000.c (output_cbranch): Likewise.
9649 2006-08-23  Stuart Hastings  <stuart@apple.com>
9651         PR 28825
9652         * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9653         ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9655 2006-08-21  Geoffrey Keating  <geoffk@apple.com>
9657         PR debug/28692
9658         * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9659         complex values, nor for generic vector values.
9661 2006-08-22  Richard Guenther  <rguenther@suse.de>
9663         PR middle-end/28776
9664         * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9665         parameter.  Convert arguments to arithmetic expression to the
9666         chrecs type.
9667         (analyze_scalar_evolution_1): Adjust caller.
9669 2006-08-22  Jan Hubicka  <jh@suse.cz>
9671         Patch by Paolo Bonzini
9672         * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9673         my previous patch.
9675 2006-08-22  Daniel Berlin  <dberlin@dberlin.org>
9677         PR tree-optimization/28003
9678         * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9679         before grouping aliases.
9681 2006-08-22  Roger Sayle  <roger@eyesopen.com>
9683         * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9684         if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9686 2006-08-21  Jason Merrill  <jason@redhat.com>
9688         PR c++/27115
9689         * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9690         wrapper.  Loop to handle nested wrappers.
9691         (gimplify_bind_expr): Remove temp parameter.
9692         (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9693         and STATEMENT_LIST on the rhs.
9694         (gimplify_statement_list): Voidify the STATEMENT_LIST.
9695         (gimplify_expr): Pass pre_p to gimplify_statement_list.
9696         (gimplify_target_expr): Remove special BIND_EXPR handling.
9698 2006-08-21  J"orn Rennecke  <joern.rennecke@st.com>
9700         * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9701         #if !__SHMEDIA__ .
9703 2006-08-21  Olivier Hainque  <hainque@adacore.com>
9705         * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9706         Arrange for the temporary captures of components overlapping the lhs
9707         to happen before the lhs is possibly cleared.
9709 2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>
9711         * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9712         necessary places to pass the correct "number of registers" values
9713         to _Unwind_VRS_Pop.
9715 2006-08-20  Jan Hubicka  <jh@suse.cz>
9717         * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9718         (create_name_tags): Instead of quadratic checking use hashtable.
9719         * bitmap.h: Include hashtab.h.
9720         (bitmap_hash): Declare.
9721         * bitmap.c (bitmap_hash): New function.
9723 2006-08-20  Jan Hubicka  <jh@suse.cz>
9725         PR rtl-optimization/28071
9726         * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9727         twice.
9728         * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9729         * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9730         (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9731         cgraph_decide_inlining_incrementally): Update use of
9732         cgraph_check_inline_limits.
9733         * cgraph.c (edge_hash, edge_eq): New function.
9734         (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9735         cgraph_edge_remove_caller, cgraph_node_remove_callees,
9736         cgraph_remove_node): Maintain call site hash.
9737         * cgraph.h (struct cgraph_node): Add call_site_hash.
9738         (cgraph_set_call_stmt): New function.
9740 2006-08-20  Jan Hubicka  <jh@suse.cz>
9742         PR rtl-optimization/28071
9743         * reload1.c (reg_has_output_reload): Turn into regset.
9744         (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9745         choose_reload_regs, emit_reload_insns): Update to new
9746         reg_has_output_reload.
9748 2006-08-20  Jan Hubicka  <jh@suse.cz>
9750         PR middle-end/28779
9751         * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9752         function body sizes.
9753         * cgraphunit.c (cgraph_analyze_function): Don't do so.
9755 2006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
9757         PR target/28648 c:
9758         * tree.c (handle_dll_attribute): Return early if not a
9759         var or function decl.
9761 2006-08-18  Joseph Myers  <joseph@codesourcery.com>
9763         PR target/27565
9764         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9765         alignment of SPE vector types.
9767 2006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
9769         * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9771 2006-08-17  Jakub Jelinek  <jakub@redhat.com>
9773         PR c/28744
9774         * cgraph.h (struct cgraph_node): Remove externally_visible
9775         bitfield.
9776         * cgraphunit.c (process_function_and_variable_attributes): Set
9777         local.externally_visible rather than externally_visible.
9779         PR c/28744
9780         * c-common.c (handle_externally_visible_attribute): First look
9781         at TREE_CODE and only if it is function or var decl, check for
9782         non-public objects.  Don't warn for DECL_EXTERNAL.
9783         * cgraphunit.c (process_function_and_variable_attributes): Warn
9784         if externally_visible attribute is used on non-public object.
9786 2006-08-17  Jan Hubicka  <jh@suse.cz>
9788         PR tree-optimization/27865
9789         * reload1.c (forget_marked_reloads): New function.
9790         (forget_old_reloads_1): When data are passed, just mark the registers
9791         for later removal.
9792         (reload_as_needed): Use the new mechanizm.
9794 2006-08-17  Alexandre Oliva  <aoliva@redhat.com>
9796         PR target/28146
9797         * reload.h (reg_equiv_alt_mem_list): New declaration.
9798         * reload1.c (reg_equiv_alt_mem_list): New definition.
9799         (reload): Initialize it and release it.
9800         (delete_output_reload): Use it.
9801         * reload.c (push_reg_equiv_alt_mem): New function.
9802         (find_reloads_toplev): Call it.
9803         (find_reloads_address, find_reloads_address_1): Likewise.
9804         (find_reloads_subreg_address): Likewise.
9806 2006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9808         PR rtl-optimization/28489
9809         * sched-ebb.c (begin_schedule_ready): Create basic block
9810         at the right place.
9811         (advance_target_bb): Skip empty blocks.
9812         * haifa-sched.c (bb_note): Make global.
9813         * sched-int.h (bb_note): Add prototype.
9815 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9817         PR tree-optimization/27865
9818         * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9819         for pointer types.
9820         * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9821         fold_used_pointer, pointer_used_p): New functions.
9822         (analyze_scalar_evolution_1): Use fold_used_pointer.
9823         * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9824         * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9825         for pointers.
9827 2006-08-17  Paolo Bonzini <bonzini@gnu.org>
9829         PR c++/28573
9830         * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9831         or the INTEGER_CST.  Fail on a CALL_EXPR.
9832         (fold_offsetof): Pass new argument to fold_offsetof_1.
9833         * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9834         operand into an INDIRECT_REF.
9835         * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9837 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9839         PR gcov/profile/26570
9840         * value-prof.c (static_values): Removed.
9841         (tree_find_values_to_profile): Do not set static_values.
9842         (find_values_to_profile): Do not free static_values.
9843         * profile.c (instrument_values): Do not free the values.
9844         (branch_prob): Free the values.
9846 2006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>
9848         * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9850 2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>
9852         PR c/27697
9853         * c-typeck.c (build_component_ref): Combine qualifiers of
9854         structure or union and field.
9856 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9858         PR rtl-optimization/28071
9859         * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9860         * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9861         * tree-into-ssa.c (struct dom_dfsnum): New.
9862         (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9863         functions.
9864         (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9865         compute_global_livein.
9866         (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9867         in phi nodes in the correct blocks.
9869 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9871         PR tree-optimization/28364
9872         * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9873         correctly.
9874         (fold_affine_expr): New function.
9875         (may_eliminate_iv): Use fold_affine_expr.
9877 2006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9879         PR c/27489
9880         * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9881         Clean up.
9883 2006-08-16  Mike Stump  <mrs@apple.com>
9885         * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9886         * doc/cppopts.texi (-MD): Likewise.
9888 2006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>
9890         PR c/28287
9891         * c-common.c (handle_weak_attribute): Ignore and warn if
9892         not a FUNCTION_ or VAR_DECL.
9894 2006-07-15  Mike Stump  <mrs@apple.com>
9896         PR c/28280
9897         * c-parser.c (c_parser_typeof_specifier): Don't use
9898         c_finish_expr_stmt, open code desired semantics instead.
9900 2006-08-15  Nick Clifton  <nickc@redhat.com>
9902         * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9903         fragment to tmake_file only if threads are enabled.
9904         * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9905         * config/i386/t-gthr-win32: New file. ... here.
9907 2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9909         PR c/28649
9910         * c-parser.c (c_parser_compound_statement_nostart): Reset
9911         parser->error after each statement.
9913 2006-08-15  Jakub Jelinek  <jakub@redhat.com>
9915         PR middle-end/28713
9916         * omp-low.c (lower_omp_parallel): Convert t to
9917         receiver_decl's type.
9918         (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9919         source before comparison.
9921         PR middle-end/28724
9922         * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9923         to itype in assignment to oldival2.
9925 2006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>
9927         PR c/27490
9928         PR c/27489
9929         * c-typeck.c (build_compound_expr): If the second expression
9930         is an error mark, then just return an error mark instead of
9931         creating a COMPOUND_EXPR.
9933 2006-07-14  Mike Stump  <mrs@apple.com>
9935         * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9937 2006-08-14  Kazu Hirata  <kazu@codesourcery.com>
9939         * c-decl.c, var-tracking.c: Fix comment typos.
9941 2006-08-14  Richard Sandiford  <richard@codesourcery.com>
9943         PR rtl-optimization/28634
9944         * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9945         for floating-point modes unless flag_unsafe_math_optimizations.
9947 2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
9948             Andrew Pinski  <pinskia@physics.uc.edu>
9950         PR c/27184
9951         * tree.c (build_array_type): Unify array types with
9952         unspecified index_type.
9953         * c-decl.c (grokdeclarator): Make sure we do not modify a
9954         unified incomplete array type.
9955         * c-typeck.c (store_init_value): Create distinct type before
9956         filling in the index type in an initializer from a compound
9957         literal.
9959         * c-decl.c (grokdeclarator): Remove code where we copy the
9960         array type over.
9962 2006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>
9964         * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9965         into account for TODO_dump_cgraph.
9966         (TODO_update_ssa_no_phi): Likewise.
9967         (TODO_update_ssa_full_phi): Likewise.
9968         (TODO_update_ssa_only_virtuals): Likewise.
9969         (TODO_remove_unused_locals): Likewise.
9970         (TODO_set_props): Likewise.
9971         (TODO_update_stmt_usage): Likewise.
9973 2006-08-13  Dirk Mueller  <dmueller@suse.de>
9975         * c-common.c (strict_aliasing_warning): Fix formatting.
9977 2006-08-13  Matthias Klose  <doko@debian.org>
9979         * doc/invoke.texi: Fix spelling errors.
9981 2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
9983         PR rtl-optimization/23454
9984         * reorg.c (relax_delay_slots): Update comment.
9986 2006-08-11  Richard Guenther  <rguenther@suse.de>
9988         PR middle-end/28651
9989         * simplify-rtx.c (simplify_const_relational_operation):
9990         Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9991         codes.
9993 2006-08-10  Eric Botcazou  <ebotcazou@adacore.com>
9995         * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9996         TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9998 2006-08-10  Paul Brook  <paul@codesourcery.com>
10000         * final.c (final_scan_insn): Clear current_insn_predicate before
10001         outputting inline asm.
10003 2006-08-10  Dorit Nuzman  <dorit@il.ibm.com>
10005         PR tree-optimization/26197
10006         * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
10007         get_ref_base_and_extent and overlap_subvar to add only relevant
10008         subvars as may-aliases.
10009         (add_may_alias_for_new_tag): New function, factored out of
10010         new_type_alias.
10011         * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
10012         with additional argument.
10013         * tree-flow.h (new_type_alias): Takes additional argument.
10015 2006-08-09  Nathan Sidwell  <nathan@codesourcery.com>
10017         * gcov.c (no_data_file): New flag.
10018         (read_count_file): Set it if data file not present.  Assume counts
10019         zero if not found.
10020         (output_lines): Don't name the data file, if there wasn't one.
10022 2006-08-09  Eric Botcazou  <ebotcazou@adacore.com>
10024         * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
10025         (rs6000_generate_compare): Tweak comments.
10026         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
10028 2006-08-09  Alexandre Oliva  <aoliva@redhat.com>
10030         * var-tracking.c (enum micro_operation_type): Add MO_COPY.
10031         (var_debug_decl): New function.
10032         (var_reg_set): Follow debug decl link.  Add location even if
10033         reg is already known to hold some other variable.
10034         (var_mem_set): Follow debug decl link.
10035         (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
10036         decl link.  Delete other known locations of the variable part
10037         if requested.
10038         (var_reg_delete, var_mem_delete): Delete other known locations
10039         of the variable part if requested.
10040         (same_variable_part_p): New function.
10041         (add_stores): Select MO_COPY when appropriate.
10042         (vt_initialize): Handle it.
10043         (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
10044         known locations for MO_SET and MO_CLOBBER.
10045         (find_variable_location_part): New function.
10046         (set_variable_part, delete_variable_part): Use it.
10047         (clobber_variable_part): New function.
10048         * dwarf2out.c (dwarf2out_var_location): Do not follow debug
10049         decl link.
10051 2006-08-07  Victor Kaplansky <victork@il.ibm.com>
10053         PR tree-optimization/26969
10054         * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
10055         with an empty list of PHIs.
10057 2006-08-06  Paolo Bonzini  <bonzini@gnu.org>
10059         PR target/27827
10061         * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
10062         instructions.
10064 2006-08-06  Andreas Schwab  <schwab@suse.de>
10066         * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
10067         string.  Whitespace and comment fixup.
10069 2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10071         PR c/28502
10072         * c-decl.c (validate_proto_after_old_defn): Return false on invalid
10073         argument.
10075         PR c/27721
10076         * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
10078         PR c/28136
10079         * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
10081 2006-08-04  Jan Hubicka  <jh@suse.cz>
10083         PR target/26655
10084         PR target/28270
10085         * reload.c (push_reload): Patch out the mismatching instruction;
10086         return early.
10087         (find_reload): Bail out if the instruction was patched out.
10089 2006-08-04  Jan Hubicka  <jh@suse.cz>
10091         PR tree-optimization/24888
10092         * tree-inline.c (expand_call_inline): Do not re-record variables.
10093         (declare_inline_vars): Add variable to unexpanded_var_list.
10095 2006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10096             Roger Sayle  <roger@eyesopen.com>
10098         PR rtl-optimization/26244
10099         * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
10100         inner_const are negative or greater than or equal to the bitsize of
10101         MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
10102         Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
10103         Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
10104         CONST0_RTX (mode) when the new shift count is greater than or equal to
10105         to the bitsize of the object being shifted and XEXP (y, 0) has no side
10106         effects.
10108 2006-08-04  Kazu Hirata  <kazu@codesourcery.com>
10110         * tree-cfg.c: Fix a comment typo.
10112 2006-08-03  Mark Mitchell  <mark@codesourcery.com>
10114         PR c++/28148
10115         * varasm.c (output_constant): Give the front end another chance to
10116         expand constants, after stripping NOPs.
10118 2006-08-03  Jan Hubicka  <jh@suse.cz>
10120         * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
10121         implementation.
10123 2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
10125         PR tree-optimization/27770
10126         * tree-vectorizer.h (get_vectype_for_scalar_type): Function
10127         declaration removed (moved to tree-flow.h).
10128         (vect_can_force_dr_alignment_p): Likewise.
10129         * tree-flow.h (get_vectype_for_scalar_type): New function declaration
10130         (moved from tree-vectorizer.h).
10131         (vect_can_force_dr_alignment_p): Likewise.
10132         * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
10133         from outside the vectorizer - in particular from cgraph stage.
10134         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
10135         the alignment of global arrays when -fsection-anchors is enabled.
10136         * cgraphunit.c (cgraph_increase_alignment): New function.
10137         (cgraph_optimize): Call cgraph_increase_alignment.
10139 2006-08-03  David Edelsohn  <edelsohn@gnu.org>
10141         PR target/27566
10142         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
10143         not reload a SPE symbol_ref into a lo_sum address.
10145 2006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>
10147         PR debug/28063
10148         * dwarf2out.c (prune_unused_types_prune): Move call to
10149         prune_unused_types_update_strings to cover the parent DIE also.
10151 2006-08-02  Jan Hubicka  <jh@suse.cz>
10153         PR gcov/profile/28480
10154         * tree-cfg.c (change_bb_for_stmt): New function.
10155         (tree_merge_blocks, tree_split_blocks): Use it.
10157 2006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10159         PR c++/28250
10160         PR c++/28257
10161         PR c++/28259
10162         PR c++/28267
10163         * toplev.c (compile_file): Return early on errorcount or sorrycount.
10164         * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
10165         (cgraph_optimize): Likewise.
10167 2006-08-01  Stuart Hastings  <stuart@apple.com>
10169         * rtl.h (UINTVAL) New.
10170         * config/rs6000/rs6000.c (SMALL_INT) Use it.
10171         * testsuite/gcc.dg/20060801-1.c: New.
10173 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
10175         PR debug/23336
10176         * c-typeck.c (build_external_type): Mark used enum types.
10177         * dwarf2out.c (dwarf2out_abstract_function): Save and restore
10178         cfun also.
10179         (gen_subprogram_die): Whitespace fix.
10181 2006-08-01  Jan Hubicka  <jh@suse.cz>
10183         * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
10184         bitmap when not needed.
10185         * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
10186         bitmaps.
10188 2006-08-01  Dirk Mueller  <dmueller@suse.de>
10190         * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
10192 2006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10194         * Makefile.in: Revert part of previous patch:
10195         Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
10196         and REGS_H.
10198 2006-07-30  Eric Christopher  <echristo@apple.com>
10200         PR target/27543
10201         * doc/extend.texi (i386 Variable Attributes): Add anchor.
10202         (PowerPC Variable Attributes): New section.
10204 2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
10206         PR target/28126 (partial fix)
10207         * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
10209 2006-07-28  Jan Hubicka  <jh@suse.cz>
10211         PR rtl-optimization/28071
10212         * cfgrtl.c (rtl_delete_block): Free regsets.
10213         * flow.c (allocate_bb_life_data): Re-use regsets if available.
10215 2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10217         * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
10218         and variables used in dependencies.
10220 2006-07-27  Arjan van de Ven <arjan@linux.intel.com>
10222         * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
10223         %fs for -mcmodel=kernel.
10224         (stack_tls_protect_test_di): Likewise.
10226 2006-07-27  Carlos O'Donell  <carlos@codesourcery.com>
10228         * Makefile.in: Use mkinstalldirs.
10230 2006-07-27  H.J. Lu  <hongjiu.lu@intel.com>
10232         PR driver/28437
10233         * opts-common.c (prune_options): Skip joined switches.
10235 2006-07-27  Jan Hubicka  <jh@suse.cz>
10237         PR rtl-optimization/28071
10238         * cselib.c (cselib_process_insn): Don't remove useless values too
10239         often for very large hashtables.
10241 2006-07-27  Jan Hubicka  <jh@suse.cz>
10243         PR rtl-optimization/28071
10244         * global.c (greg_obstack): New obstack.
10245         (allocate_bb_info): Use it.
10246         (free_bb_info): Likewise.
10247         (modify_reg_pav): Likewise.
10249 2006-07-27  Roger Sayle  <roger@eyesopen.com>
10251         * builtins.c (fold_fixed_mathfn): When long and long long are the
10252         same size, canonicalize llceil*, llfloor*, llround* and llrint*
10253         functions to their lceil*, lfloor*, lround* and lrint* forms.
10255 2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10257         PR gcc/28508
10258         * config/m32r/m32r.md (branch_insn): Reduce pc range for short
10259         branch.
10260         (rev_branch_insn): Likewise.
10262 2006-07-27  Jan Hubicka  <jh@suse.cz>
10264         PR rtl-optimization/28071
10265         * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
10266         (reg_set_in_bb, max_reg_computed): New static variables.
10267         (regmove_optimize): Free the new array.
10268         (fixup_match_1): Update call of reg_is_remote_constant_p.
10270 2006-07-26  Jan Hubicka  <jh@suse.cz>
10272         PR tree-optimization/27882
10273         * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
10274         and decl fields.
10275         * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
10276         next pointer
10277         (cgraph_analyze_compilation_unit): Likewise.
10278         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
10279         * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
10280         (cgraph_early_inlinine): Make order garbage collected.
10281         * Makefile.in (gt-ipa-inline): New garbagecollected file.
10283 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
10285         * dbxout.c (output_types_sort): Add a comment.
10286         (output_used_types): Free the VEC.
10288 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
10290         * function.c (reorder_fix_fragments): Delete.
10291         (reorder_blocks): Don't call it.
10292         (reorder_blocks_1): Put all subblocks under the origin block.
10294 2006-07-26  Zdenek Dvorak <dvorakz@suse.cz>
10296         PR rtl-optimization/27907
10297         * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10298         FLOAT_TRUNCATE.
10300 2006-07-25  Roger Sayle  <roger@eyesopen.com>
10302         PR middle-end/28473
10303         * convert.c (convert_to_integer): When transforming (T)foo(x) into
10304         bar(x) check that bar's result type can represent all the values of T.
10306 2006-07-25  Zdenek Dvorak <dvorakz@suse.cz>
10308         * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10310 2006-07-25  Nick Clifton  <nickc@redhat.com>
10312         * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10313         size_lookup[] array.
10314         (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10315         (ggc_pch_count_object): Likewise.
10316         (ggc_pch_alloc_object): Likewise.
10317         (ggc_pch_write_object): Likewise.
10318         (init_ggc): Do not attempt to initialize entries in the
10319         size_lookup[] array for objects whose size is greater than than
10320         the length of the array.
10322 2006-07-25  Daniel Jacobowitz  <dan@codesourcery.com>
10324         * dbxout.c (output_used_types_helper): Push queued types
10325         on a VEC.
10326         (output_types_sort): New.
10327         (output_used_types): Collect used types on a VEC and sort them
10328         before emission.
10330 2006-07-24  Richard Guenther  <rguenther@suse.de>
10332         PR middle-end/28463
10333         * cgraph.c (cgraph_remove_node): Do not check if dumps
10334         are enabled.
10335         * cgraphunit.c (cgraph_optimize): Likewise.
10337 2006-07-24  Jan Hubicka  <jh@suse.cz>
10339         PR rtl-optimization/28071
10340         * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10341         * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10342         splitting before first stmt.
10344 2006-07-24  Jan Hubicka  <jh@suse.cz>
10346         PR rtl-optimization/28071
10347         * ipa-inline.c (update_caller_keys): Remove edges that
10348         are no longer inline candidates.
10350 2006-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
10352         PR debug/27473
10353         * dbxout.c (output_used_types_helper, output_used_types): New.
10354         (dbxout_symbol): Call output_used_types.
10356 2006-07-23  Jan Hubicka  <jh@suse.cz>
10358         PR c/25795
10359         PR c++/27369
10360         * cgraph.c (cgraph_varpool_nodes): Export.
10361         (decide_is_variable_needed): Ignored "used" attribute in
10362         unit-at-a-time mode.
10363         * cgraph.h (cgraph_varpool_nodes): Declare.
10364         * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10365         unit-at-a-time mode.
10367 2006-07-23  Roger Sayle  <roger@eyesopen.com>
10369         PR target/28247
10370         * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10371         mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
10372         the __gthrw form of thr_keycreate.
10373         (__gthread_key_delete): Silence the unused argument warning.
10375 2006-07-23  Steven Bosscher  <steven@gcc.gnu.org>
10377         PR debug/25468
10378         * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10379         Cache the last found '\0' marker to avoid quadratic behavior.
10381 2006-07-23  Jan Hubicka  <jh@suse.cz>
10383         * i386.md (subsi_3_zext): Fix output template.
10385 2006-07-21  Mike Stump  <mrs@apple.com>
10387         * doc/invoke.texi (C++ Dialect Options): Note that
10388         -fvisibility-inlines-hidden doesn't affect explicitly
10389         instantiationed inline methods.
10391 2006-07-20  Roger Sayle  <roger@eyesopen.com>
10393         * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10394         if the target assembler is GNU binutils' gas.
10395         * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10396         whether to pass GNU gas or native as command line options.
10398 2006-07-20  Jason Merrill  <jason@redhat.com>
10400         * tree.c (remove_attribute): New fn.
10401         * tree.h: Declare it.
10403 2006-07-20  Paul Brook  <paul@codesourcery.com>
10405         PR 27363
10406         * cse.c (cse_insn): Add destination addresses to hash table. Check if
10407         they are invalidated by this instruction.
10409 2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
10411         PR target/28427
10412         * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10414 2006-07-20  Eric Christopher  <echristo@apple.com>
10416         PR target/26877
10417         * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10419 2006-07-19  Eric Christopher  <echristo@apple.com>
10421         * config/t-slibgcc-darwin (stmp-lipo): Remove.
10422         Rewrite dependencies for libgcc_s.1.dylib.
10424 2006-07-19  Jakub Jelinek  <jakub@redhat.com>
10426         * except.c (duplicate_eh_regions_1): Clear next_peer.
10428 2006-07-17  Nathan Sidwell  <nathan@codesourcery.com>
10430         * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10431         -mlongcall does not guarantee all calls will be long.
10432         * doc/extend.texi (long_call/short_call): Document that longcall
10433         does not guarantee a long call will be used.
10434         (longcall/shortcall): Likewise.
10436 2006-07-18  Roger Sayle  <roger@eyesopen.com>
10438         PR middle-end/28283
10439         * expmed.c (expand_shift): Additionally check that the shift_cost
10440         is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10441         before implementing a LSHIFT_EXPR as a sequence of additions.
10442         * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10443         middle-end that DImode shifts need to be synthesized by expand.
10445 2006-07-18  Diego Novillo  <dnovillo@redhat.com>
10447         PR 28410
10448         * tree-ssa-operands.c (access_can_touch_variable): Update
10449         comment.
10450         Return true if ALIAS is .GLOBAL_VAR.
10452 2006-07-18  David Daney  <ddaney@avtrex.com>
10454         * gcc.c (display_help): Fix typo in help text.
10456 2006-07-18  Olivier Hainque  <hainque@adacore.com>
10458         * tree.h (categorize_ctor_elements): Adjust prototype and add
10459         descriptive comment, both in accordance with the interface change
10460         described below.
10461         * varasm.c (constructor_static_from_elts_p): New function.
10462         Whether a constructor node is a valid static constant initializer
10463         if all its elements are.
10464         (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10465         * output.h: Declare it.
10466         * expr.c (categorize_ctor_elements_1): Return whether the constructor
10467         is a valid constant initializer instead of computing the number of
10468         non-constant elements.  Use constructor_static_from_elts_p for this
10469         purpose.  Replace the head comment with an indication that this is a
10470         helper for categorize_ctor_elements.
10471         (categorize_ctor_elements): Same interface change as for the _1
10472         helper.  Former head comment from this helper moved here, adjusted to
10473         account for the interface changes.
10474         (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10475         (all_zeros_p): Likewise.
10476         * gimplify.c (gimplify_init_constructor): Decide whether we can make
10477         static versions of the constructor from the categorize_ctor_elements
10478         return value instead of the formerly computed number of non-constant
10479         elements.
10481 2006-07-18  Paolo Bonzini  <bonzini@gnu.org>
10483         * configure: Regenerate.
10484         * Makefile.in (build_libsubdir): New configure substitution
10485         (build_libobjdir): New variable.
10486         (BUILD_LIBIBERTY): Use it.
10488 2006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10490         PR c/28286
10491         * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10493 2006-07-18  Alexandre Oliva  <aoliva@redhat.com>
10495         PR c/26993
10496         * c-common.c (handle_weakref_attribute): Ignore attribute in
10497         the same conditions the alias attribute is ignored.
10499 2006-07-17  Carlos O'Donell  <carlos@codesourcery.com>
10501         * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10502         (dbxout_begin_prologue): Increment scope_labelno.
10504 2006-07-17  Richard Henderson  <rth@redhat.com>
10506         PR 27889
10507         * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10508         if needed.
10510 2006-07-17  Roger Sayle  <roger@eyesopen.com>
10511             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10513         * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10514         synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
10515         blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
10516         functions such as sbrk, write, etc..  Add function prototypes.
10517         Convert function declarations from K&R to ISO C.  Cast pointers
10518         to "long" and "unsigned long" instead of "int" and "unsigned int".
10519         Convert tokens following #endif into comments.
10521 2006-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
10523         * invoke.texi: Remove mention of f77; Reformat table for
10524         inline parameter options correctly; mention that -malign-double
10525         is default on x86-64 targets.
10527 2006-07-17  Zdenek Dvorak <dvorakz@suse.cz>
10529         * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10530         (convert_affine_scev, chrec_convert_aggressive): Use
10531         avoid_arithmetics_in_type_p.  Do not check for the subtypes
10532         separately.
10534 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
10536         PR middle-end/28403
10537         * optabs.c (expand_doubleword_shift): Wrap the call to
10538         do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10540 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
10542         PR middle-end/28402
10543         * optabs.c (expand_binop): Pass next_methods rather than methods
10544         to expand_doubleword_shift.
10546 2006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
10548         PR other/28251
10549         * tree.h (dump_addr): Declare.
10550         * print-tree.c (dump_addr): New function.
10551         (print_node_brief, print_node): Use it.
10552         * print-rtl.c (print_rtx): Likewise.
10553         * common.opt (-fdump-noaddr): New option.
10554         * doc/invoke.texi (-fdump-noaddr): Document.
10555         * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10556         (ve_info_hash): Likewise.
10558 2006-07-13  Andrew Haley  <aph@redhat.com>
10560         PR tree-optimization/19505
10561         * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10562         edge leaving this block, make sure that the destination of this
10563         block has only one predecessor.
10565 2006-07-17  Richard Guenther  <rguenther@suse.de>
10567         PR tree-optimization/28238
10568         * tree-inline.c (copy_bb): Check if we produced valid
10569         gimple copying and substituting a stmt.  If not, gimplify
10570         it.
10572 2006-07-16  Eric Botcazou  <ebotcazou@adacore.com>
10574         * optabs.c (maybe_encapsulate_block): New function extracted from...
10575         (emit_libcall_block): ...here.  Invoke it on the block of insns to
10576         maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10577         (emit_no_conflict_block): Likewise.
10579 2006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10581         * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10583 2006-07-15  Roger Sayle  <roger@eyesopen.com>
10585         * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10586         a new NOP_EXPR case of the switch statement.
10588 2006-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
10590         PR middle-end/28160
10591         * stor-layout.c (place_field): Take the bit field with
10592         an excessive size into account in the ms-bitfiled case.
10594         PR middle-end/28161
10595         * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10596         the previous bit field.
10598 2006-07-14  Eliot Dresselhaus  <eliot@sonic.net>
10600         PR target/27287
10601         * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10603 2006-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10605         * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10606         signal frames correctly even when the signal was installed with
10607         sa_restorer set.
10609 2006-07-14  Carlos O'Donell  <carlos@codesourcery.com>
10611         * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10612         (dbxout_function_end): Use local label LFBB. Remove hook
10613         DBX_OUTPUT_NFUN.
10614         (dbxout_source_line): Use local label LFBB.
10615         (dbxout_block): Likewise.
10616         (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10617         (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10618         * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10619         and DBX_OUTPUT_NFUN.
10621 2006-07-13  Janis Johnson  <janis187@us.ibm.com>
10623         * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10625 2006-07-13  Jan Hubicka  <jh@suse.cz>
10627         * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10628         align_variable.
10629         * output.h (align_variable): Declare.
10630         * varasm.c (align_variable): Export.
10631         * value-prof.c (tree_value_profile_transformations): Recompute iterator
10632         when basic block changed.
10634 2006-07-13  Nick Clifton  <nickc@redhat.com>
10636         * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10637         walking the LOG_LINKS chain.
10639 2006-07-12  Geoffrey Keating  <geoffk@apple.com>
10641         * doc/invoke.texi (C++ Dialect Options): Explain difference
10642         between -fvisibility-inlines-hidden and setting hidden
10643         visibility explicitly.
10645 2006-07-12  Eric Christopher  <echristo@apple.com>
10647         * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10648         (stmp-lipo): Depend on libgcc.a.
10650 2006-07-12  Kazu Hirata  <kazu@codesourcery.com>
10652         * tree.c: Fix a comment typo.
10654 2006-07-12  Naveen.H.S  <naveenh@kpitcummins.com>
10656         * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10657         dest.
10658         (umulhisi3_r): Likewise.
10660 2006-07-12  Paolo Carlini  <pcarlini@suse.de>
10662         PR libstdc++/27878
10663         * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10664         x < 19, vs wchar_t support.
10666 2006-07-12  Nick Clifton  <nickc@redhat.com>
10668         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10669         instead of -isa=sh4.
10671 2006-07-12  Mike Stump  <mrs@apple.com>
10673         * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10675 2006-07-10  Eric Christopher  <echristo@apple.com>
10677         * config/t-slibgcc-darwin: Rewrite.
10679 2006-07-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
10681         PR bootstrap/20437
10682         * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10683         dependencies.
10685 2006-07-08  Matthias Klose  <doko@debian.org>
10687         * doc/sourcebuild.texi: Fix typo.
10689 2006-07-07  Mike Stump  <mrs@apple.com>
10691         * toplev.c (process_options): Don't give -ffunction-sections may
10692         affect debugging warning for Mach-O.
10694 2006-07-07  James E Wilson  <wilson@specifix.com>
10696         * config/mips/mips.md (cpu): Add sb1a.
10697         * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10698         addition to sb1.  Adjust comments to clarify SB-1A differences from
10699         SB-1.
10700         (ir_sb1a_load): New.  Modify bypasses to use it.
10701         (ir_sb1a_simple_alu): Likewise.
10702         * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10703         (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10704         (mips_issue_rate): Add PROCESSOR_SB1A.
10705         (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10706         * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10707         (TARGET_SB1): Add PROCESSOR_SB1A check.
10708         (TUNE_SB1): Likewise.
10710         * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10711         * config/mips/mips.c (mips_store_data_bypass_p): New.
10712         * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10713         store_data_bypass_p.
10715 2006-07-08  Paul Brook  <paul@codesourcery.com>
10717         PR target/27991
10718         * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10720 2006-07-07   Richard Guenther  <rguenther@suse.de>
10722         PR middle-end/28268
10723         * tree.h (build_one_cst): Declare.
10724         * tree.c (build_one_cst): New function.
10725         * tree-ssa-math-opts.c (get_constant_one): Remove.
10726         (insert_reciprocals): Use build_one_cst.
10727         * fold-const.c (fold_plusminus_mult): Likewise.
10729 2006-07-07  Roger Sayle  <roger@eyesopen.com>
10731         * pointer-set.c (pointer_set_destroy): Correct whitespace.
10732         * cfgloopanal.c (dump_graph): Likewise.
10733         * dojump.c (discard_pending_stack_adjust): Likewise.
10734         * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10735         Likewise.
10736         * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10737         * function.c (finalize_block_changes): Likewise.
10738         * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10739         * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10740         * rtl.c (dump_rtx_statistics): Likewise.
10741         * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10742         Likewise.
10743         * varray.c (dump_varray_statistics): Likewise.
10744         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10745         decode_decimal64, encode_decimal128, decode_decimal128,
10746         decimal_real_to_decimal): Likewise.
10748 2006-07-07  Richard Guenther  <rguenther@suse.de>
10750         PR tree-optimization/28187
10751         * tree-vrp.c (vrp_operand_equal_p): New function.
10752         (vrp_bitmap_equal_p): Likewise.
10753         (update_value_range): Use them to compare old and new
10754         max and min values.
10756 2006-07-06  Roger Sayle  <roger@eyesopen.com>
10758         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10759         a default case to switch statement to silence compiler warnings.
10761 2006-07-06  Roger Sayle  <roger@eyesopen.com>
10763         PR target/27968
10764         * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10765         the configured assembler supports the x87's ffreep mnemonic.
10766         * configure: Regenerate.
10767         * config.in: Regenerate.
10769         * config/i386/i386.c (output_387_ffreep): New function.
10770         (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10771         (output_387_reg_move): Likewise.
10773 2006-07-06  Paul Eggert  <eggert@cs.ucla.edu>
10775         Port to hosts whose 'sort' and 'tail' implementations
10776         treat operands with leading '+' as file names, as POSIX
10777         has required since 2001.  However, make sure the code still
10778         works on pre-POSIX hosts.
10779         * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10780         which says you should use "tail -c +N" rather than "tail +Nc".
10781         Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10783 2006-07-06  Zdenek Dvorak <dvorakz@suse.cz>
10785         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10786         argument name.
10788 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
10790         PR target/28150
10791         * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10792         PRE_{INC,DEC} of TFmode.
10794 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
10795             Alan Modra  <amodra@bigpond.net.au>
10797         PR target/28170
10798         * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10799         bounds. Simplify.
10801 2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10803         PR target/28285
10804         * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10805         Remove duplicate gtu.
10807 2006-07-05  Jason Merrill  <jason@redhat.com>
10809         PR c++/13983
10810         PR c++/17519
10811         * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10812         * c-common.c (handle_packed_attribute): So don't copy it here.
10813         * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10815 2006-07-05  Mike Stump  <mrs@apple.com>
10817         * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10819 2006-07-05  H.J. Lu  <hongjiu.lu@intel.com>
10821         PR target/26146
10822         * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10824 2006-07-05  Richard Guenther  <rguenther@suse.de>
10826         PR target/28158
10827         * config/i386/i386.md (*negdf2_1): Restrict pattern to
10828         TARGET_SSE2 targets if using SSE math.
10829         (*absdf2_1): Likewise.
10831 2006-07-05  Richard Guenther  <rguenther@suse.de>
10833         PR tree-optimization/28162
10834         * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10835         make sure to convert the operands to the correct type.
10837 2006-07-04  Paolo Bonzini  <bonzini@gnu.org>
10839         PR tree-optimization/28218
10841         * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10842         to calculate and free the dominator information.
10844 2006-07-04  Peter O'Gorman  <peter@pogma.com>
10846         * mklibgcc.in: chmod 644 before ranlib during install.
10848 2006-07-04  Andrew Stubbs <andrew.stubbs@st.com>
10849             J"orn Rennecke <joern.rennecke@st.com>
10851         * configure.ac (.eh_frame data check): Use diff -b.
10853 2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10855         PR bootstrap/18058
10856         * Makefile.in (BUILD_RTL): Add build/vec.o.
10857         (build/gencondmd.o): Filter out -fkeep-inline-functions.
10858         (build/genextract): Delete.
10859         (build/genautomata): Likewise.
10861 2006-07-04  Alan Modra  <amodra@bigpond.net.au>
10863         PR target/28207
10864         * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10865         128-bit IBM long doubles for ABI_V4.
10867 2006-07-03  Eric Botcazou  <ebotcazou@adacore.com>
10869         * tree.c (range_in_array_bounds_p): New predicate.
10870         * tree.h (range_in_array_bounds_p): Declare it.
10871         * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10872         return a less conservative answer.
10873         * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10874         and flag 'is_group'.
10875         (IS_ELEMENT_FOR_GROUP): New macro.
10876         (FOR_EACH_ACTUAL_CHILD): Likewise.
10877         (next_child_for_group): New helper function.
10878         (can_completely_scalarize_p): Take into account groups.
10879         (sra_hash_tree): Handle RANGE_EXPR.
10880         (sra_elt_eq): Likewise.
10881         (lookup_element): Be prepared for handling groups.
10882         (is_valid_const_index): Delete.
10883         (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10884         instead of is_valid_const_index.
10885         <ARRAY_RANGE_REF>: New case.
10886         (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10887         is_valid_const_index.
10888         <ARRAY_RANGE_REF>: Do not unconditionally punt.
10889         (scan_dump): Dump info for groups too.
10890         (decide_instantiation_1): Likewise.
10891         (decide_block_copy): Assert that the element is not a group.
10892         Propagate decision to groups.
10893         (generate_one_element_ref): Handle RANGE_EXPR.
10894         (mark_no_warning): Iterate over actual childs.
10895         (generate_copy_inout): Likewise.
10896         (generate_element_copy): Likewise.
10897         (generate_element_zero): Likewise.
10898         (generate_element_init_1): Likewise.
10899         (dump_sra_elt_name): Handle RANGE_EXPR.
10901 2006-07-03  Roger Sayle  <roger@eyesopen.com>
10903         PR tree-optimization/26251
10904         * tree-ssa-threadupdate.c (redirection_block_p): New function.
10905         (thread_block): When optimizing for size refuse to thread jumps
10906         that would require duplication of blocks other than redirection
10907         blocks.
10909 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
10911         * configure.ac: Fix thinko in previous check-in.
10912         * configure: Regenerate.
10914 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
10916         PR other/27063
10917         * configure.ac (for lang...): Simplify nesting of conditionals.
10918         Test subdir_requires for non-enabled languages.  Move processing
10919         of lang_opt_files and lang_tree_fiels below that test.
10920         * configure: Regenerate.
10921         * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10923 2006-07-01  Martin Michlmayr  <tbm@cyrius.com>
10925         * doc/gcov.texi (Invoking Gcov): Add a missing word.
10927 2006-06-30  Kazu Hirata  <kazu@codesourcery.com>
10929         * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10930         comment typos.
10932 2006-06-29  Jason Merrill  <jason@redhat.com>
10934         PR c++/26905
10935         PR c++/26612
10936         PR c++/27000
10937         PR c++/26984
10938         PR c++/19134
10939         * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10940         * c-common.c (c_determine_visibility): Handle it here.
10941         * c-decl.c (finish_decl): Call c_determine_visibility for
10942         functions, too.
10943         * flags.h (enum symbol_visibility): Sort from most to least visibility.
10944         * tree.h: Likewise.
10945         * varasm.c (default_assemble_visibility): Likewise.
10946         * c-common.c (handle_visibility_attribute): Complain about trying
10947         to give visibility to an already defined class, or trying to change
10948         declared visibility. Always attach the attribute.
10950         PR c++/26905
10951         PR c++/21675
10952         PR c++/17470
10953         * attribs.c (decl_attributes): Ignore type-in-place attributes
10954         once the type has been defined.
10956 2006-06-29  Roger Sayle  <roger@eyesopen.com>
10958         PR middle-end/27428
10959         * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10960         to indicate the cpplib has issued an error message for us.
10962 2006-06-29  Asher Langton  <langton2@llnl.gov>
10964         PR target/25765
10965         * config/i386/i386.c (ix86_output_function_epilogue): Don't
10966         insert a label at the end of an function under Mach-O.
10968 2006-06-29  Eric Christopher  <echristo@apple.com>
10969             Evan Cheng  <evan.cheng@apple.com>
10971         * predicates.md (vector_all_ones_operand): New.
10972         (nonimmediate_or_sse_const_operand): Ditto.
10973         * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10974         * config/i386/i386.c (standard_sse_constant_opcode): Define.
10975         (standard_sse_mode_p): Ditto.
10976         (standard_sse_constant_p): Add case for -1 vector.
10977         (ix86_expand_vector_move): Try to use.
10978         * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10979         Call standard_sse_constant_opcode.
10980         (*movv4sf_internal): Ditto.
10981         (*movv2df_internal): Ditto.
10983 2006-06-29  Roger Sayle  <roger@eyesopen.com>
10985         * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10986         of XEXP to extract the operands of a MATCH_CODE rtx.
10988 2006-06-28  Andrew Pinski  <pinskia@gmail.com>
10990         * tree.c (tree_size): Do not waste tail padding in
10991         struct tree_string and make the size be the same as
10992         build_string will generate.
10994 2006-06-28  Jason Merrill  <jason@redhat.com>
10996         PR c++/27768
10997         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10998         may_aliases already in the tag's annotations to the bitmap.
11000 2006-06-28  Roger Sayle  <roger@eyesopen.com>
11002         * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
11004 2006-06-28  Roger Sayle  <roger@eyesopen.com>
11006         * genpreds.c (generate_switch_p): New function.
11007         (add_mode_tests): Push the new mode test down inside an AND expr
11008         if this allows the switch-suitable MATCH_CODE to be near the root.
11009         (write_match_code_switch): New function to write a MATCH_CODE as
11010         a switch statement.
11011         (write_predicate_stmts): New function to write a predicate RTX
11012         expression as a sequence of statements.
11013         (write_one_predicate_function): Use write_predicate_stmts.
11014         (write_tm_constrs_h): Likewise.
11016 2006-06-26  Fred Fish  <fnf@specifix.com>
11018         * config/mips/t-sb1: New file.
11019         * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
11020         tmake_file list.
11022 2006-06-26  DJ Delorie  <dj@redhat.com>
11024         * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
11026 2006-06-26  Naveen H.S  <naveenh@kpitcummins.com>
11027             Jayant Sonar  <jayants@kpitcummins.com>
11028             Jaydeep Vipradas  <jaydeepv@kpitcummins.com>
11030         * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
11031         (subsi3, subsi3_1, subsi3_2): New.
11032         * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
11033         * config/m32c/mov.md (SI mov peephole): New.
11034         * config/m32c/m32.c (m32c_immd_dbl_mov): New.
11035         * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
11037 2006-06-26  Olivier Hainque  <hainque@adacore.com>
11039         * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
11040         a CALL_EXPR target function declaration.
11042 2006-06-26  Richard Guenther  <rguenther@suse.de>
11044         * tree.c (build_string): Do not waste tail padding in
11045         struct tree_string.
11047 2006-06-26  Richard Guenther  <rguenther@suse.de>
11049         * ggc-page.c (init_ggc): Add missing element to size_lookup
11050         table.
11052         Revert
11053         2006-06-23  Richard Guenther  <rguenther@suse.de>
11055         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11056         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
11057         alignment requests instead.  Add verification code.
11058         Add struct tree_function_decl and struct tree_binfo size to
11059         extra_order_size_table.  Add missing element to size_lookup
11060         table.
11062 2006-06-25  Eric Botcazou  <ebotcazou@adacore.com>
11064         PR middle-end/28151
11065         * fold-const.c (const_binop): Be prepared for self returning zero.
11066         Simplify code handling complex values.
11068 2006-06-24  Olivier Hainque  <hainque@adacore.com>
11070         * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
11071         (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
11072         aggregate types.
11074 2006-06-24  Olivier Hainque  <hainque@adacore.com>
11076         * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
11077         ARRAY_REF, so have the callback called for the low bound expression.
11079 2006-06-23  Janis Johnson  <janis187@us.ibm.com>
11081         * tree.h (DECIMAL_FLOAT_TYPE_P): New.
11082         * c-typeck.c (c_common_type): Disallow operations on decimal float
11083         types and other float types.
11084         * convert.c (convert_to_real): Don't ignore conversions involving
11085         decimal float types.
11087 2006-06-23  Olivier Hainque  <hainque@adacore.com>
11089         * tree.c (max_int_size_in_bytes): New function, inspired from
11090         code in function.c:assign_temp.
11091         * tree.h (max_int_size_in_bytes): Declare.
11092         * function.c (assign_temp): Use it.
11093         * gimplify.c (create_tmp_var): Relax the assertions on the type
11094         properties, not mandating constant size any more.
11095         (force_constant_size): New static function.
11096         (gimple_add_tmp_var): Use it, forcing variable size to a
11097         constant upper bound if it is not constant on entry.
11099 2006-06-23  Danny Smith   <dannysmith@users.sourceforge.net>
11101         PR target/27789
11102         * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
11103         for initialization and setting of one_only flag to ...
11104         (i386_pe_encode_section_info): ...here.
11105         (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
11106         Recheck that the symbol has not been defined.
11108 2006-06-23  Richard Guenther  <rguenther@suse.de>
11110         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11111         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
11112         alignment requests instead.  Add verification code.
11113         Add struct tree_function_decl and struct tree_binfo size to
11114         extra_order_size_table.  Add missing element to size_lookup
11115         table.
11117 2006-06-22  Roger Sayle  <roger@eyesopen.com>
11118             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11120         PR middle-end/28131
11121         * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
11122         call to lang_hooks.types.type_for_mode returned NULL_TREE.
11124 2006-06-23  Ben Elliston  <bje@au.ibm.com>
11126         * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
11127         negate dn -- manipulate it directly.
11129 2006-06-22  Roger Sayle  <roger@eyesopen.com>
11130             Steven Bosscher  <stevenb.gcc@gmail.com>
11132         PR target/27531
11133         * reload1.c (gen_reload): Call mark_jump_label on the new insns
11134         generated by gen_move_insn to add REG_LABEL notes if necessary.
11136 2006-06-22  Bob Wilson  <bob.wilson@acm.org>
11138         * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
11139         (leaf_entry): Remove use of MIN_ESA.
11141 2006-06-22  Zdenek Dvorak <dvorakz@suse.cz>
11143         PR rtl-optimization/28121
11144         * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
11145         the entry edge.
11147 2006-06-21  DJ Delorie  <dj@redhat.com>
11149         * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
11150         (TN-16C-A156A/E).
11151         (mulhisi3_r): Likewise.
11153 2006-06-21  Richard Sandiford  <richard@codesourcery.com>
11155         PR middle-end/28034
11156         * coverage.c (coverage_counter_alloc): Leave the index type
11157         unspecified.
11158         (coverage_counter_alloc): Use null arguments for operands 2 and 3
11159         of the ARRAY_REF.
11161 2006-06-21  Andrew Pinski  <pinskia@physics.uc.edu>
11163         * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
11164         section from the "Options for Code Generation Conventions".
11166 2006-06-21  Richard Henderson  <rth@redhat.com>
11168         PR target/26347
11169         PR target/27082
11170         * config/alpha/predicates.md (small_symbolic_operand): Deny weak
11171         symbols.
11172         (global_symbolic_operand): Allow weak symbols, even if local_p.
11174 2006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
11176         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
11177         (find_interesting_uses_address): Punt if above function returns true.
11179 2006-06-21  Richard Guenther  <rguenther@suse.de>
11181         * configure: Regenerated.
11183 2006-06-21  Joseph Myers  <joseph@codesourcery.com>
11185         * config/mips/mips.c (function_arg): Where one part of a
11186         complex argument is in registers and the other part in the stack,
11187         return a REG not a PARALLEL.
11189 2006-06-21  Mark Mitchell  <mark@codesourcery.com>
11191         * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
11192         when cross-compiling.  Do not substitute libstdcxx_incdir.
11193         * configure: Regenerated.
11195 2006-06-21  Jakub Jelinek  <jakub@redhat.com>
11197         * varasm.c (mergeable_string_section): Check for embedded NULs and
11198         NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
11199         rather than TREE_STRING_LENGTH bytes.
11201 2006-06-21  Richard Guenther  <rguenther@suse.de>
11203         * ggc-page.c (extra_order_size_table): Add var_ann_d,
11204         tree_ssa_name, bitmap_element and phi_node with 4 arguments
11205         sizes.
11207 2006-06-21  Richrad Guenther  <rguenther@suse.de>
11209         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
11210         Limit iteration over the dominators.
11212 2006-06-20  Roger Sayle  <roger@eyesopen.com>
11214         * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
11215         (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
11217 2006-06-20  Richard Guenther  <rguenther@suse.de>
11218         Michael Matz  <matz@suse.de>
11220         * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
11221         function.
11222         * alloc-pool.c (free_alloc_pool_if_empty): New function.
11223         * et-forest.h (et_free_pools): Prototype new function.
11224         * et-forest.c (et_free_tree_force): Free parent occurrence.
11225         (et_free_pools): New function.
11226         * dominance.c (free_dominance_info): Free et-forest alloc
11227         pools.
11229 2006-06-20  Roger Sayle  <roger@eyesopen.com>
11231         * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
11232         integer modes, attempt to directly construct an integer constant.
11234         * fold-const.c (native_encode_vector): Determine the size of each
11235         element from the vector type instead of the first vector element.
11237         * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
11238         if all of its elements/components are constant.
11239         (build_constructor_from_list): Likewise.
11241 2006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
11243         PR tree-optimization/27331
11244         * tree-data-ref.c (free_data_ref): New function.
11245         (create_data_ref): Fail if the data reference has unknown access
11246         function.
11247         (free_data_refs): Use free_data_ref.
11249 2006-06-19  Andrew Pinski  <pinskia@gmail.com>
11251         PR middle-end/28075
11252         * tree-inline.c (setup_one_parameter): Strip useless
11253         type conversion before adding it to the IR.
11254         (declare_return_variable): Likewise.
11256 2006-06-19  Martin Michlmayr  <tbm@cyrius.com>
11258         PR c/27149
11259         * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
11261 2006-06-19  Mike Stump  <mrs@apple.com>
11263         * tree.c (variably_modified_type_p): VM arguments don't make the
11264         type a VM type.
11266 2006-06-19  Richard Guenther  <rguenther@suse.de>
11268         * tree-ssa-pre.c (try_combine_conversion): Strip useless
11269         type conversions after folding.
11271 2006-06-19  Richard Guenther  <rguenther@suse.de>
11273         * ggc-page.c (extra_order_size_tab): Add entries with
11274         size of struct function and basic_block.
11275         (size_lookup): Extend to cover sizes up to 511.
11276         (ggc_alloc_stat): Adjust user.
11277         (ggc_pch_count_object): Likewise.
11278         (ggc_pch_alloc_object): Likewise.
11279         (ggc_pch_write_object): Likewise.
11281 2006-06-19  Zdenek Dvorak <dvorakz@suse.cz>
11283         * tree-ssa-loop-niter.c (implies_ge_p): New function.
11284         (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
11285         correctly.
11287 2006-06-19  Denis Chertykov  <denisc@overta.ru>
11289         * config/avr/libgcc.S : Correct my wrong previous commit.
11291 2006-06-19  Roger Sayle  <roger@eyesopen.com>
11293         PR target/27861
11294         * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11295         have stripped a SUBREG from the shift count, so we may need to
11296         convert_to_mode back to the type's mode before calling make_tree.
11297         Use new_amount instead of amount to avoid expanding a tree twice.
11299 2006-06-19  Richard Guenther  <rguenther@suse.de>
11301         PR middle-end/28045
11302         * fold-const.c (operand_equal_p): Check if the argument types
11303         have the same precision before stripping NOPs.
11305 2006-06-19  Daniel Berlin  <dberlin@dberlin.org>
11307         Fix PR tree-optimization/27341
11308         * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11309         statement we get.
11310         * tree-complex.c (pass_lower_complex): Update SMT usage.
11312 2006-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
11314         * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11315         Add a new alternative to the constraint strings. Add move of
11316         operand 1 to 3 to the splitter definition.
11317         ("doloop_si_long"): Second contraint alternative removed.
11319 2006-06-08  Anatoly Sokolov <aesok@post.ru>
11321         * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11322         (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11323         __AVR_HAVE_LPMX__.
11324         (AVR_HAVE_MOVW) Define.
11325         (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11326         (ASM_SPEC): Add avr25.
11327         (LINK_SPEC): Add avr25.
11328         * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11329         (base_arch_s): Add new member 'have_movw_lpmx'.
11330         (avr_arch_types): Init 'have_movw_lpmx'.
11331         (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11332         attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11333         attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11334         (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11335         (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11336         AVR_HAVE_MOVW.
11337         (avr_file_start): Do not output '.arh' derective.
11338         * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11339         (__do_copy_data): Use __AVR_HAVE_LPMX__.
11340         * config/avr/avr.md (mcu_enhanced): Delete.
11341         (mcu_have_movw): Define.
11342         (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11343         (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11344         * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11345         (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11346         attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11347         attiny861 and at86rf401 devices.
11349 2006-06-18  Jie Zhang  <jie.zhang@analog.com>
11351         * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11352         of 4096.
11354 2006-06-17  Karl Berry  <karl@gnu.org>
11356         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11357         doc/gccint.texi, doc/install.texi (@dircategory): Use
11358         "Software development" instead of "Programming", following
11359         the Free Software Directory.
11361 2006-06-17  Alexandre Oliva  <aoliva@redhat.com>
11363         * config/i386/i386.c (legitimate_tls_address)
11364         <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11365         * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11366         (*tls_dynamic_gnu2_combine_64): Likewise.
11368 2006-06-16  Richard Guenther  <rguenther@suse.de>
11370         PR middle-end/27116
11371         * fold-const.c (negate_expr_p): Do not introduce undefined
11372         overflow in negating INTEGER_CSTs.
11373         (fold_negate_expr): Rename from negate_expr.  Revert last
11374         change for folding BIT_NOT_EXPR.  Change semantics to
11375         return NULL_TREE for non-simplified negations.  Do not
11376         strip type conversions and unify type handling.
11377         (negate_expr): New function, wrap around fold_negate_expr
11378         but ensure building a tree always.  Strip type conversions
11379         here, fold to result type.
11380         (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11382 2006-06-16  Roger Sayle  <roger@eyesopen.com>
11384         PR middle-end/27802
11385         * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11386         that (would) return their results in stack registers.
11388 2006-06-16  Michael Matz  <matz@suse.de>
11389         Richard Guenther  <rguenther@suse.de>
11391         * fold-const.c (fold_truthop): Only return new tree node if
11392         we canonicalized something.
11394 2006-06-16  Richard Guenther  <rguenther@suse.de>
11396         * function.h (enum function_frequency): Move declaration
11397         out of struct function.
11398         (struct function): Move bool fields and the enum to the bitfield
11399         section.  Reorder elements to avoid padding.  Remove unused
11400         fields left over from the RTL inliner removal.
11401         * function.c (free_after_compilation): Do not zero removed fields.
11402         * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11403         (ipa-type-escape.o): Likewise.
11405 2006-06-16  Richard Guenther  <rguenther@suse.de>
11407         * cgraph.h (struct cgraph_local_info): Turn bool elements
11408         into a bitfield.
11409         (struct cgraph_node): Likewise.
11410         (struct cgraph_varpool_node): Likewise.
11412 2006-06-15  Richard Guenther  <rguenther@suse.de>
11414         * fold-const.c (fold_truth_not_expr): Rename from
11415         invert_truthvalue.  Give it fold_* semantics to avoid
11416         generating garbage.
11417         (invert_truthvalue): New function.  Wrapper around
11418         fold_truth_not_expr.
11419         (optimize_minmax_comparison): Avoid creating garbage.
11420         (fold_unary): Use fold_truth_not_expr for folding
11421         TRUTH_NOT_EXPR.
11422         (fold_ternary): Replace uses of invert_truthvalue with
11423         fold_truth_not_expr where applicable.
11424         * tree.h (fold_truth_not_expr): Prototype.
11426 2006-06-16  Richard Guenther  <rguenther@suse.de>
11428         PR tree-optimization/27781
11429         * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11430         * ipa-pure-const.c (target.h): Include.
11431         (analyze_function): Do not analyze functions that do not
11432         bind locally.
11434 2006-06-15  Andrew MacLeod  <amacleod@redhat.com>
11436         PR middle-end/27793
11437         * tree-dfa.c (referenced_vars_dup_list): Remove.
11438         (find_referenced_vars): Remove assert.
11439         (referenced_var_check_and_insert): Replace dup list with assert.
11440         * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11441         * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11443 2006-06-15  Richard Guenther  <rguenther@suse.de>
11445         * tree-ssa-structalias.c (alias_get_name): Avoid creating
11446         extra unused identifiers if not dumping.
11447         (create_variable_info_for): Likewise.
11449 2006-06-15  Zdenek Dvorak <dvorakz@suse.cz>
11451         * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11452         (derive_constant_upper_bound): Derive more precise upper bound in
11453         common cases.  Return type changed to double_int.
11454         (record_estimate): Reflect the changed return type of
11455         derive_constant_upper_bound.
11456         * double-int.c (double_int_zext, double_int_sext): Fix.
11458 2006-06-15  Paolo Bonzini  <bonzini@gnu.org>
11460         * configure.ac (CFLAGS): Get them from the toplevel or from the
11461         configure invocation.
11462         * configure: Regenerate.
11463         * Makefile.in (CFLAGS): Substitute value provided by configure.
11465 2006-06-14  Mark Mitchell  <mark@codesourcery.com>
11467         PR c++/26559
11468         * c-common.h (c_finish_omp_atomic): Adjust declaration.
11469         * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11470         rather than calling add_stmt on it.
11471         * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11473 2006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11475         PR middle-end/27959
11476         * reload1.c (reload): Remove registers returned by update_eliminables
11477         from used_spill_regs.
11479 2006-06-13  DJ Delorie  <dj@redhat.com>
11481         * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11483 2006-06-13  Carlos O'Donell  <carlos@codesourcery.com>
11485         * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11486         html__strip_dir, html__mkdir_p. Enhance install-html target.
11487         * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11488         * configure: Regenerate.
11490 2006-06-13  Fariborz Jahanian <fjahanian@apple.com>
11492         * fold-const.c (fold_cond_expr_with_comparison): Check for
11493         Objective-C++ as language in deciding COND_EXPR transformation.
11495 2006-06-06  J"orn Rennecke <joern.rennecke@st.com>
11497         PR target/28014:
11498         * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11499         * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11500         * config/sh/lib1funcs.h (SL, SL1): Define.
11501         * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11502         * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11503         * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11504         (OBJS_Os_4_200): New variable.
11505         ($(T)libgcc-Os-4-200.a): Use it.
11506         * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11507         when dividing 1 and/or by 0.
11509 2006-06-13  Roger Sayle  <roger@eyesopen.com>
11511         * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11512         before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11513         * configure: Regenerate.
11515 2006-06-13  Jie Zhang  <jie.zhang@analog.com>
11517         * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11518         for real instruction.
11520 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11522         PR middle-end/26807
11523         * haifa-sched.c (check_cfg): Handle special case.
11525 2006-06-13  Eric Botcazou  <ebotcazou@adacore.com>
11527         PR debug/26754
11528         * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11529         Add debug_info parameter.  Chain the vars to the BLOCK instead
11530         of the BIND_EXPR if debug info are requested for them.
11531         (pop_gimplify_context): Adjust for above change.
11532         (gimple_add_tmp_var): Likewise.
11533         * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11534         Add bool parameter.
11535         * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11536         (convert_local_reference): Likewise.
11537         (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11538         (finalize_nesting_tree_1): Request that debug info be emitted
11539         for debug_var_chain.
11541 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11543         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11544         for PR target/27863.
11546 2006-06-13  Richard Guenther  <rguenther@suse.de>
11548         PR middle-end/27536
11549         * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11551 2006-06-13  Richard Guenther  <rguenther@suse.de>
11553         PR tree-optimization/27830
11554         * tree-inline.c (copy_body_r): For copying the operand
11555         of an ADDR_EXPR make sure to fold &* afterwards.
11557 2006-06-12  Eric Botcazou  <ebotcazou@adacore.com>
11559         * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11560         lvalues in the fb_none case with side-effects.
11562 2006-06-12  Kazu Hirata  <kazu@codesourcery.com>
11564         * tree-flow.h: Remove the prototype for
11565         compute_phi_arg_on_exit.
11566         * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11567         protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11568         Remove.
11570 2006-06-12  Mark Shinwell  <shinwell@codesourcery.com>
11572         * builtins.c (expand_builtin_return_addr): Only use
11573         frame_pointer_rtx when count == 0 and we are expanding
11574         __builtin_return_address.
11576 2006-06-12  Fred Fish  <fnf@specifix.com>
11578         * config/mips/mips.c (mips_file_start): Create special section
11579         ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11581 2006-06-11  Eric Christopher  <echristo@apple.com>
11583         PR middle-end/27948
11584         * stor-layout.c (place_field): Remove check for
11585         remaining_in_alignment when aligning at the end of a run.
11587 2006-06-11  Eric Christopher  <echristo@apple.com>
11589         PR 27542
11590         * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11591         pragma.
11593 2006-06-11  Roger Sayle  <roger@eyesopen.com>
11595         PR target/27858
11596         Revert incorrect fix for PR target/27158
11597         2006-05-08  Roger Sayle  <roger@eyesopen.com>
11598         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11599         of a reg_equiv_constant if the result is a legitimate constant.
11601 2006-06-11  Roger Sayle  <roger@eyesopen.com>
11603         PR target/27158
11604         * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11605         extract a CONST_VECTOR element and interpret it as an integer.
11606         (vspltis_constant): Use const_vector_elt_as_int instead of the
11607         macro CONST_VECTOR_ELT in order to handle FP vector modes.
11608         * config/rs6000/predicates.md (easy_vector_const): Consider
11609         floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11611 2006-06-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11613         PR middle-end/27942
11614         * stor-layout.c (update_alignment_for_field): Don't add extra
11615         alignment for packed non-bitfield fields in ms_bitfield_layout_p
11616         code.
11618 2006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>
11620         * config/mips/t-rtems: Add EL/EB multilib variants.
11622 2006-06-09  Mike Stump  <mrs@apple.com>
11624         * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11626 2006-06-09  David Daney  <ddaney@avtrex.com>
11628         * doc/install.texi: Add binutils version recommendation for mips-*-*.
11630 2006-06-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11632         * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11634 2006-06-09  Richard Guenther  <rguenther@suse.de>
11636         PR tree-optimization/26998
11637         * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11638         of signed types, only TYPE_MIN_VALUE is special, but for both,
11639         minimum and maximum value.  Likewise VR_ANTI_RANGE is special
11640         in this case, as is -fwrapv.
11642 2006-06-08  Mike Stump  <mrs@apple.com>
11644         PR target/26427
11645         * config/darwin.c (darwin_asm_output_anchor): Disable
11646         -fsection-anchors on darwin for now.
11647         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11648         * rs6000/rs6000.c (optimization_options): Likewise.
11650 2006-06-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11652         PR target/27421
11653         * config/i386/i386.c (classify_argument): Skip fields with invalid
11654         types in unions.
11656 2006-06-08  Steven Bosscher  <steven@gcc.gnu.org>
11658         * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11659         (cse_insn): Likewise for the stack_pointer_rtx.
11661 2006-06-08  Roger Sayle  <roger@eyesopen.com>
11663         * tree-ssa-dom.c (record_conditions): Only record "unordered"
11664         conditions from floating point comparisons.
11666 2006-06-08  Paolo Bonzini  <bonzini@gnu.org>
11668         PR middle-end/27733
11669         * expmed.c (struct alg_hash_entry): Fix type of field T
11670         to match synth_mult argument.
11671         (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11673 2006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11675         PR target/27863
11676         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11677         block boundaries.
11679 2006-06-08  Richard Guenther  <rguenther@suse.de>
11681         PR middle-end/27116
11682         * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11683         only, if overflow is defined and not trapping.
11684         (negate_expr): Likewise.
11686 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
11688         PR tree-optimization/27872
11689         * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11690         flag on the new exit edge of the unrolled loop.
11692 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
11694         PR rtl-optimization/26449
11695         * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11697 2006-06-07  Andrew MacLeod  <amacleod@redhat.com>
11699         PR middle-end/27793
11700         * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
11701         referenced_variables with matching DECL_UID's.
11702         (find_referenced_vars): Make sure duplicate list is empty to start.
11703         (referenced_var_p): Remove.
11704         (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11705         Check if var is in the list, and add if needed.  Update the duplicate
11706         list if a different var is in the list with the same DECL_UID.
11707         (add_referenced_var): Call routine to check and insert.
11708         * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11709         * tree-flow.h (referenced_vars_dup_list): External declaration.
11711 2006-06-07  Fred Fish  <fnf@specifix.com>
11713         * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11714         into single entry.
11716 2006-06-07  Paolo Bonzini  <bonzini@gnu.org>
11718         PR target/27390
11719         * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11720         the imaginary and real parts of a clobbered register.
11721         Emit insn to set the imaginary part.
11723 2006-06-06  Peter Lemieszewski  <lemie@us.ibm.com>
11725         * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11726         in lieu of unwind-dw2-fde.c.
11728 2006-06-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
11730         * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11732 2006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>
11734         PR target/27842
11735         * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11736         ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11737         ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11738         V4SImode temporaries and operations instead.
11740 2006-06-06  Joseph S. Myers  <joseph@codesourcery.com>
11742         * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11743         dp-bit.c.
11745 2006-06-06  Mike Stump  <mrs@apple.com>
11747         * Makefile.in: Rename to htmldir to build_htmldir to avoid
11748         installing during build.
11750 2006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11752         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11753         value to 0.
11754         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11755         * config/ia64/ia64.c (params.h): New header.
11756         (ia64_optimization_options): New function to adjust parameters.
11757         * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11758         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11759         * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11761 2006-06-05  Kazu Hirata  <kazu@codesourcery.com>
11763         * stor-layout.c (debug_rli): Fix a typo in a debug message.
11765 2006-06-05  Steve Ellcey  <sje@cup.hp.com>
11767         PR target/27051
11768         * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11770 2006-06-05  Dorit Nuzman  <dorit@il.ibm.com>
11771             Victor Kaplansky  <victork@il.ibm.com>
11773         PR tree-optimization/26360
11774         * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11775         stmts.
11777 2006-06-04  Roger Sayle  <roger@eyesopen.com>
11778             Andrew Pinski  <pinskia@physics.uc.edu>
11780         PR middle-end/27382
11781         * c-common.c (c_common_truthvalue_conversion): Explicitly check
11782         for LABEL_DECL before calling DECL_WEAK.
11784         PR c/27150
11785         * c-typeck.c (build_binary_op): Likewise, explicitly check for
11786         LABEL_DECL and PARM_DECL.
11788 2006-06-05  Joseph S. Myers  <joseph@codesourcery.com>
11790         PR c/25161
11791         PR c/27020
11792         * c-decl.c (grokdeclarator): Disallow variably modified types at
11793         file scope.  Avoid marking shared array type of constant size as
11794         VLA.
11796 2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11798         PR c++/27601
11799         * c-common.c (fold_offsetof_1): Handle static members.
11801 2006-06-04 Eric Christopher <echristo@apple.com>
11803         * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11804         (debug_rli): Output value for remaining_in_alignment.
11805         (update_alignment_for_field): Unconditionalize
11806         ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11807         extra alignment code.
11808         (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11809         ms_bitfield_layout_p code. Rewrite handling of structure fields.
11810         * tree.h (record_layout_info_s): Remove prev_packed.
11811         * doc/extend.texi (ms_struct): Add documentation of format.
11813 2006-06-04  Mark Shinwell  <shinwell@codesourcery.com>
11815         * tree.h: Declare folding_initializer.
11816         * builtins.c (fold_builtin_constant_p): Give definite answer
11817         if folding inside an initializer.
11818         * fold-const.c: Define folding_initializer.
11819         (START_FOLD_INIT): Save and then set folding_initializer.
11820         (END_FOLD_INIT): Restore folding_initializer.
11822 2006-06-04  Richard Guenther  <rguenther@suse.de>
11824         PR tree-optimization/27039
11825         * fold-const.c (fold_comparison): Handle pointer comparison
11826         again for all comparison codes.  Compare offsets in signed
11827         size type.
11828         (fold_binary): Move code from here.
11830 2006-06-03  Roger Sayle  <roger@eyesopen.com>
11832         PR target/26223
11833         * config/i386/i386.c (construct_container): Split static issued_error
11834         flag into issued_sse_arg_error, issued_sse_ret_error and
11835         issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
11836         requires the use of x87 registers and the user explicitly
11837         specified the -mno-80387 command line option.
11839 2006-06-02  Geoffrey Keating  <geoffk@apple.com>
11841         * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11842         HAVE_DECL_SIGALTSTACK.
11843         (MC_FLD): New.
11844         (segv_handler): Use MC_FLD.
11845         * configure.ac: Check for a sigaltstack declaration.
11846         Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11847         * configure: Regenerate.
11848         * config.in: Regenerate.
11850 2006-06-03  J"orn Rennecke <joern.rennecke@st.com>
11852         PR other/27850
11853         * Makefile.in (stmp-fixinc): Fix typo.
11855 2006-06-02  Roger Sayle  <roger@eyesopen.com>
11857         * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11858         are type correct.  Clean-up.
11859         <REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
11860         <IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).
11862 2006-06-01  DJ Delorie  <dj@redhat.com>
11864         * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11865         shift, as we've disabled the "switch" insn that needs it.
11867 2006-06-01  Per Bothner  <bothner@bothner.com>
11869         Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11870         * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11871         * c-ppoutput.c (cb_define): Don't increment line 0.
11873 2006-06-01  Pete Steinmetz  <steinmtz@us.ibm.com>
11875         * doc/invoke.texi: Add cpu_type power6.
11876         * config.gcc: Add cpu_type power6.
11877         * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11878         to power5+ with Altivec.
11879         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11880         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11882 2006-05-30  Anatoly Sokolov <aesok@post.ru>
11884         * config/avr/avr.h (SET_ASM_OP): Define.
11886 2006-06-01  Kazu Hirata  <kazu@codesourcery.com>
11888         * config/bfin/bfin.c: Fix comment typos.
11890 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
11892         PR 25453
11893         * doc/install.texi: Document --enable-bootstrap and
11894         --disable-bootstrap.
11896 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
11898         * doc/install.texi: Document that InfoZIP can replace jar.
11900 2006-05-31  Roger Sayle  <roger@eyesopen.com>
11902         * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11903         isn't available, directly generate the simpler x87 patterns without
11904         the (use (const_int 0)).
11905         * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11906         implementation isn't available.
11907         (*negdf2_1): Likewise.
11908         (*negxf2_1): XF mode negation is always done using the x87.
11909         (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11911 2006-05-31  Roger Sayle  <roger@eyesopen.com>
11913         * builtins.c (fold_builtin_cabs): Delete prototype.  Require an
11914         additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
11915         cabs(z).
11916         (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11918 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
11920         * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11921         * config/bfin/bfin.c (basic-block.h): Include.
11922         (struct machine_function): New.
11923         (bfin_init_machine_status): New.
11924         (override_options): Initialize init_machine_status.
11925         (bfin_hardware_loop): New.
11926         (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11927         (DEF_VEC_P (loop_info)): New.
11928         (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11929         (struct loop_info): New.
11930         (loop_info): New typedef.
11931         (struct loop_work): New.
11932         (loop_work): New typedef.
11933         (DEF_VEC_O (loop_work)): New.
11934         (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11935         (bfin_dump_loops): New.
11936         (bfin_bb_in_loop): New.
11937         (bfin_scan_loop): New.
11938         (bfin_optimize_loop): New.
11939         (bfin_reorg_loops): New.
11940         (bfin_reorg): Use bfin_reorg_loops.
11941         * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11942         loop registers.
11943         (I_REGNO_P): Simplify.
11944         (DP_REGNO_P, DPREG_P): New macros.
11945         (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11946         REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11947         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11948         Add LT_REGS, LC_REGS, LB_REGS.
11949         (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11950         'l' for LB_REGS.
11951         (REGNO_REG_CLASS): Deal with loop registers.
11952         * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11953         letters.
11954         (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11955         New constants for loop registers.
11956         (UNSPEC_LSETUP_END): New.
11957         (seq_insns): New define_attr. Set it for appropriate insns.
11958         (movsi_insn): Add alternatives for move from/to
11959         loop count registers.
11960         (doloop_end): New define_expand.
11961         (loop_end): New define_insn.
11962         (define_split for bad doloop_end): New.
11963         (lsetup_with_autoinit): New define_insn.
11964         (lsetup_without_autoinit): New define_insn.
11965         (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11966         * config/bfin/predicates.md (lc_register_operand): New.
11967         (lt_register_operand): New.
11968         (lb_register_operand): New.
11969         (nondp_register_operand): New.
11970         (nondp_reg_or_memory_operand): New.
11971         * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11973 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
11975         * config/bfin/bfin.c (bfin_delegitimize_address): New.
11976         (TARGET_DELEGITIMIZE_ADDRESS): Define.
11978 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
11980         * Makefile.in (CATALOGS): Add po/ prefix.
11981         * configure: Regenerated.
11983 2006-05-31  Richard Earnshaw  <richard.earnshaw@arm.com>
11985         PR target/27829
11986         * arm.c (arm_print_operand case 'S'): Validate that the operand is
11987         a shift operand before calling shift_op.  Avoid redundant call of
11988         shift_op.
11990 2006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
11991             DJ Delorie  <dj@redhat.com>
11993         * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11994         we're inserting is a singlt-bit constant.
11996 2006-05-30  Roger Sayle  <roger@eyesopen.com>
11998         * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11999         width to HOST_WIDE_INT to avoid comparison warnings on some targets.
12001 2006-05-30  Roger Sayle  <roger@eyesopen.com>
12003         PR tree-optimization/23452
12004         * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
12005         to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
12006         (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
12007         complex values and with -ffast-math for FP complex values.
12009 2006-05-30  Kazu Hirata  <kazu@codesourcery.com>
12011         * c-common.h: Remove the prototype for yyparse.
12012         * rtl.h: Remove the prototype for init_loop.
12014 2006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12016         * cse.c (validate_canon_reg, cse_insn): Don't change insns without
12017         calling recog.
12019 2006-05-30  Roger Sayle  <roger@eyesopen.com>
12021         * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
12022         and rotate cases.
12023         <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
12024         log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
12026 2006-05-30  Dirk Mueller  <dmueller@suse.de>
12028         PR c/27273
12029         * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
12030         for CONSTANT_CLASS_P expresisons.
12032 2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12034         PR c/27718
12035         * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
12037 2006-05-30  Zdenek Dvorak <dvorakz@suse.cz>
12039         PR tree-optimization/27779
12040         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
12041         initial_condition instead of CHREC_LEFT.
12043 2006-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
12045         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
12046         * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
12047         Make prototypes ISO C90.
12049 2006-05-30  Mircea Namolaru  <namolaru@il.ibm.com>
12050             Leehod Baruch    <leehod.baruch@weizmann.ac.il>
12052         * see.c (see_analyze_one_def): Correct check.
12053         (see_get_extension_data): Check if extension is parallel.
12054         (see_get_extension_reg): Likewise.
12056 2006-05-30  Uros Bizjak  <uros@kss-loka.si>
12058         PR target/27790
12059         * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
12060         into register for (code == GTU).
12062 2006-05-29  Roger Sayle  <roger@eyesopen.com>
12064         PR tree-optimization/24964
12065         * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
12066         <MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
12067         signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
12068         abs(x)*abs(x) as x*x for scalar floating point modes.
12070 2006-05-29  Sebastian Pop  <pop@cri.ensmp.fr>
12072         PR middle-end/27745
12073         * lambda-code.c (perfect_nestify): Don't copy statements
12074         in the inner loop: move them to the inner loop header.
12076 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
12078         PR 26237
12079         * c-tree.texi: Document OpenMP directives and clauses.
12081 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
12083         * varasm.c (globalize_decl): Fix indentation.
12085 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
12087         PR 26242
12088         * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
12089         pass_fre, pass_store_ccp, pass_copy_prop,
12090         pass_store_copy_prop, pass_merge_phi, pass_nrv,
12091         pass_return_slot, pass_object_size, pass_lim,
12092         pass_linear_transform, pass_empty_loop, pass_complete_unroll,
12093         pass_loop_prefetch and pass_stdarg.
12095 2006-05-29  Bernd Schmidt  <bernd.schmidt@analog.com>
12097         * config/bfin/bfin.opt (mfdpic): New option.
12098         * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
12099         (EXTRA_MULTILIB_PARTS): Likewise.
12100         (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
12101         (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
12102         multilib.
12103         * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
12104         (CRT_CALL_STATIC_FUNCTION): New.
12105         * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
12106         -shared.
12107         (CRT_CALL_STATIC_FUNCTION): New.
12108         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
12109         FD-PIC moves.
12110         (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
12111         (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
12112         (initialize_trampoline): Changed to handle FD-PIC code generation.
12113         (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
12114         (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
12115         (override_options): Disallow -mid-shared-library -mfdpic combination.
12116         Can't do unaligned ops if FD-PIC.
12117         Turn off flag_pic if trying to generate non-id-shared-library
12118         non-fdpic code, since it's not supported.
12119         (bfin_assemble_integer): New function.
12120         (TARGET_ASM_INTEGER): Define.
12121         * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
12122         __BFIN_FDPIC__.
12123         * config/bfin/crtn.s: Restore them.
12124         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
12125         if TARGET_FDPIC.
12126         (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
12127         LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
12128         (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
12129         (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
12130         (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
12131         call-used.
12132         (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
12133         FDPIC_REGS and FDPIC_FPTR_REGS.
12134         (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
12135         * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
12136         UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
12137         (load_funcdescsi): New pattern.
12138         (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
12139         sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
12140         call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
12142 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
12144         * gcse.c, rtlanal.c: Remove obsolete comments associated with
12145         loop.c.
12147         * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
12149         * tree-flow.h: Remove the prototype for add_type_alias.
12150         * tree-ssa-alias.c (add_type_alias): Remove.
12152 2006-05-28  Kazu Hirata  <kazu@codesourcery.com>
12154         * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
12155         config/fr30/fr30.md, config/i386/i386-interix.h,
12156         config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
12157         config/sh/superh64.h, config/v850/v850.c, df-core.c,
12158         df-problems.c, df.h, except.c, final.c, haifa-sched.c,
12159         lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
12160         reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
12161         tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
12162         Follow spelling conventions.
12163         * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
12164         Follow spelling conventions.
12166 2006-05-27  Richard Guenther  <rguenther@suse.de>
12168         PR middle-end/27773
12169         * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
12170         to produce a constant of value 1 of generic type.
12172 2006-05-27  Dirk Mueller  <dmueller@suse.de>
12174         * cgraphunit.c (decide_is_function_needed): Fix wrong
12175         PR reference.
12177 2006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
12179         PR rtl-optimization/27661
12180         * reload.c (find_reloads): When reloading a VOIDmode constant
12181         as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
12182         use Pmode as mode of the reload register.
12184 2006-05-26  Eric Botcazou  <ebotcazou@adacore.com>
12186         * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
12187         is enabled at -O and above.
12189 2006-05-26  Steven Bosscher  <steven@gcc.gnu.org>
12191         PR target/27571
12192         * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
12193         table data.
12195 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
12197         PR c++/20103
12198         * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
12199         for anonymous variables explicitly declared by front ends.
12201 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
12203         * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
12204         (struct alias_info): Add new field ref_all_symbol_mem_tag.
12205         * tree-ssa-alias.c (compute_may_aliases): If the program contains
12206         ref-all pointers, run a finalization pass for them.
12207         (compute_flow_insensitive_aliasing): Skip ref-all pointers.
12208         (finalize_ref_all_pointers): New function.
12209         (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
12210         regular pointer type to a ref-all pointer type.
12211         (get_tmt_for): Return the special memory tag for ref-all pointers.
12213 2006-05-25  Richard Guenther  <rguenther@suse.de>
12215         PR middle-end/27743
12216         * fold-const.c (fold_binary): Do not look at the stripped
12217         op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
12219 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
12221         * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
12222         for LT and GT if the computed range is effectively empty.
12224 2006-05-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12226         PR target/27627
12227         * pa/pa-modes.def: Use mips_single_format, mips_double_format and
12228         mips_quad_format formats instead of ieee_single_format,
12229         ieee_double_format and ieee_quad_format formats, respectively.
12231 2006-05-24  Zdenek Dvorak <dvorakz@suse.cz>
12233         PR tree-optimization/27639
12234         PR tree-optimization/26719
12235         * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
12236         call to scev_probably_wraps_p.
12237         * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
12238         used_in_pointer_arithmetic_p, convert_step): Removed.
12239         (nowrap_type_p): New function.
12240         (scev_probably_wraps_p): Rewritten.
12241         * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
12242         chrec_convert if chrec_convert_aggressive might have been used.
12243         * tree-chrec.c (convert_affine_scev, chrec_convert_1,
12244         scev_direction): New functions.
12245         (chrec_convert): Changed to a wrapper over chrec_convert_1.
12246         * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
12247         instead of convert_step.
12248         * tree-flow.h (scev_probably_wraps_p): Declaration changed.
12249         (convert_step): Declaration removed.
12250         (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
12252 2006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>
12254         * df-core.c: Added to header comments.
12255         * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
12256         df_ur_bb_info, df_urec_bb_info): Added comments.
12257         * df-problems (df_ref_bitmap, ru, rd, lr, ur,
12258         urec, ri problems): Fixed header comments.
12259         (df_ru_transfer_function): Fixed in-out set dyslexia when copying
12260         code from df_rd_transfer_function.
12262 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
12264         * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
12265         (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
12266         MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
12268 2006-05-23  Joseph Myers  <joseph@codesourcery.com>
12270         * expr.c (undefined_operand_subword_p): New.
12271         (emit_move_multi_word): Do not generate move from undefined bits
12272         of a paradoxical subreg.
12274 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
12276         PR rtl-optimization/27736
12277         * combine.c (replaced_rhs_value): New variable.
12278         (combine_instructions): Set it.
12279         (distribute_notes): When distributing a note in replaced_rhs_insn,
12280         check whether the value was used in replaced_rhs_value.
12282 2006-05-23  Andrew MacLeod  <amacleod@redhat.com>
12284         PR c++/26757
12285         * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12286         add_referenced_var instead of add_referenced_tmp_var.
12287         * tree-complex.c (create_one_component_var): Use add_referenced_var.
12288         * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12289         add_referenced_var.
12290         * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12291         tree_optimize_tail_calls_1): Use add_referenced_var.
12292         * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12293         * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12294         Use add_referenced_var.
12295         * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12296         * gimplify.c (force_gimple_operand): Use add_referenced_var.
12297         * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12298         Use add_referenced_var.
12299         * tree-dfa.c (struct walk_state): Remove.
12300         (find_referenced_vars): Remove walk state and vars_found hash table.
12301         (make_rename_temp): Use add_referenced_var.
12302         (find_vars_r): Pass less parameters to add_referenced_var.
12303         (referenced_var_p): New.  Is var in referenced_var hash table.
12304         (referenced_var_insert): Assert var isn't already in hash table.
12305         (add_referenced_var): Don't need walk_state parameter.  Add var if it
12306         isn't already in the hash table.
12307         (add_referenced_tmp_var): Remove.
12308         (find_new_referenced_vars_1): Use add_referenced_var.
12309         * tree-ssa-pre.c (create_expression_by_pieces,
12310         insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12311         Use add_referenced_var.
12312         * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12313         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12314         lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12315         add_referenced_var.
12316         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12317         vect_create_data_ref_ptr, vect_create_destination_var,
12318         vect_init_vector, vect_build_loop_niters,
12319         vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12320         vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12321         Use add_referenced_var.
12322         * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12323         * tree-flow.h (add_referenced_tmp_var): Remove prototype
12324         (add_referenced_var): Add prototype.
12325         * tree-ssa-structalias.c (get_constraint_for,
12326         intra_create_variable_infos): Use add_referenced_var.
12328 2006-05-23  Alexandre Oliva  <aoliva@redhat.com>
12330         * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12331         big-endian paradoxical subregs.
12332         * var-tracking.c (struct micro_operation_def): Document that,
12333         for modify micro operations, insn is the subsequent instruction.
12334         (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12335         (var_reg_set, var_mem_set): ... new functions.
12336         (add_stores): Record subsequent insn.
12337         (compute_bb_dataflow): Use new functions for MO_USE.
12338         (emit_notes_in_bb): Use new functions for MO_USE.  Emit use
12339         notes after the insn, and modify notes before the insn known
12340         to be the subsequent one.
12341         (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12343 2006-05-23  Kazu Hirata  <kazu@codesourcery.com>
12345         PR target/27696
12346         * config/i386/i386.c (ix86_expand_builtin): Use
12347         gen_sse3_monitor64 for TARGET_64BIT.
12349 2006-05-22  Kenneth Zadeck <zadeck@naturalbridge.com>
12351         PR rtl-optimization/26375
12352         PR rtl-optimization/26855
12353         * df-problems (df_ru_bb_local_compute_process_def): Removed update
12354         to gen set.
12355         (df_ru_bb_local_compute): Reversed statements and removed bogus
12356         comment explaining why they should be in wrong order.
12357         (df_ru_dump, df_rd_dump): Enhanced debug info.
12358         * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12359         debug info.
12360         * ddg.c (add_deps_for_def): Converted use of reaching defs to
12361         reaching uses and fixed space problem.
12363 2006-05-23  Jan Hubicka  <jh@suse.cz>
12365         * cgraphunit.c (decide_is_function_needed): Also nested functions
12366         and functions declared inline can be optimized out at -O0.
12368 2006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>
12370         * doc/install.texi (Configuration): Remove reference to CrossGCC
12371         FAQ which was gone.
12372         (Building): Ditto.
12374 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
12376         PR target/27266
12377         * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12378         ix86_compare_emitted is non-NULL.
12380 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12382         PR c++/27451
12383         * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12384         clobbers.
12386 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
12388         PR rtl-optimization/25514
12389         * combine.c (replaced_rhs_insn): New variable.
12390         (combine_instructions): Set replaced_rhs_insn when trying to replace
12391         a SET_SRC with a REG_EQUAL note.
12392         (distribute_notes): Use replaced_rhs_insn when determining the live
12393         range of a REG_DEAD register.
12395 2006-18-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12396             Anatoly Sokolov <aesok@post.ru>
12398         * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12399         attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12400         attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12401         atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12402         atmega3290, atmega649, atmega6490, atmega406, atmega640,
12403         atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12404         at90usb647, at90usb1286 and at90usb1287 devices.
12405         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12406         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12408 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
12410         * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12412 2006-05-22  Richard Guenther  <rguenther@suse.de>
12414         Revert
12415         2006-01-31  Richard Guenther  <rguenther@suse.de>
12416         Paolo Bonzini  <bonzini@gnu.org>
12418         * doc/install.texi (--disable-libgcc-math): Document.
12420 2006-05-22  Richard Guenther  <rguenther@suse.de>
12422         Revert
12423         2006-01-31  Richard Guenther  <rguenther@suse.de>
12425         * doc/invoke.texi (-msselibm): Document.
12426         * target.h (expand_library_builtin): New target hook.
12427         * builtins.c (expand_builtin): Use expand_library_builtin.
12428         (default_expand_library_builtin): New function.
12429         * gcc.c (LINK_GCC_MATH_SPEC): Define.
12430         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12431         (link_gcc_math_spec): Declare.
12432         (static_specs): Add link_gcc_math_spec.
12433         * expr.h (default_expand_library_builtin): Declare.
12434         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12435         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12436         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12437         * config/i386/i386.opt (msselibm): New target option.
12438         * config/i386/i386.c (ix86_builtin_function_variants): New array.
12439         (ix86_init_sse_abi_builtins): New function.
12440         (ix86_expand_library_builtin): Likewise.
12441         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12442         (override_options): Handle error conditions wrt -msselibm.
12443         (ix86_builtins): Add function codes for SSE2 ABI builtins.
12444         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12445         * doc/extend.texi (__builtin_sse2_*): Document new target specific
12446         builtins.
12448 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12450         PR c/27420
12451         * c-common.c (self_promoting_args_p): Skip erroneous args.
12453         PR c/26818
12454         * c-decl.c (finish_struct): Skip erroneous fields.
12456 2006-05-22  Nick Clifton  <nickc@redhat.com>
12458         * config/cris/cris.opt (march): Remove VarExists attribute.
12459         (max-stackframe=): Likewise.
12461 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
12463         * doc/rtl.texi: Fix a typo.
12464         * see.c: Fix comment typos.
12466         * tree-ssa-structalias.h (alias_info): Remove num_references.
12468 2006-05-21  Mike Stump  <mrs@apple.com>
12470         * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12471         (BAD2): Add.
12472         (darwin_pragma_options): Use BAD instead.
12473         (darwin_pragma_unused): Likewise.
12474         (darwin_pragma_ms_struct): Likewise.
12476 2006-05-21  David Edelsohn  <edelsohn@gnu.org>
12478         * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12480 2006-05-21  Kazu Hirata  <kazu@codesourcery.com>
12482         PR rtl-optimization/27671
12483         * simplify-rtx.c (simplify_relational_operation_1): Fix
12484         simplifications of (eq/ne (xor x y) y) and
12485         (eq/ne (xor x y) x).
12487         PR tree-optimization/26622.
12488         * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12489         on arg1.
12491 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
12493         * tree-cfg.c: Prune whitespace.
12494         (debug_tree_cfg): Point to correct header containing the
12495         TDF_* defines.
12497 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
12499         PR middle-end/25776
12500         * cgraphunit.c (verify_cgraph_node): Typo in error message.
12502 2006-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
12504         PR middle-end/25776
12505         * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12506         or sorry count is non zero.
12508 2006-05-20  Andreas Schwab  <schwab@suse.de>
12510         * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12512 2006-05-19  Daniel Berlin  <dberlin@dberlin.org>
12513             Kenneth Zadeck <zadeck@naturalbridge.com>
12515         PR rtl-optimization/26855
12517         * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12518         multiword refs.
12519         (df_scan_alloc): Added code to properly handle multiword hard
12520         registers and add all_blocks parameter.
12521         (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12522         code to properly handle multiword hard registers.
12523         (df_rescan_blocks): Added code to remove deleted blocks from
12524         bitmap.
12525         (df_ref_create_structure, df_ref_record): Added code to properly
12526         handle subregs.
12527         (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12528         and set DF_REF_PARTIAL.
12529         (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12530         (df_uses_record): Added DF_REF_PARTIAL for subreg.
12531         (df_scan_add_problem): Added flags parameter.
12532         (df_ref_create_structure): Changed switching structure.
12533         (df_bb_refs_record): Fixed case where duplicate artificial refs
12534         were created.  Changed location of flags.
12535         (df_record_entry_block_defs): Added code to make stack pointer
12536         live in entry block.  Refined cases where frame pointer is needed.
12537         Changed location of flags.
12538         (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12539         (df_set_state): Removed function.
12540         (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12541         df_insn_create_insn_record, df_insn_refs_delete,
12542         df_ref_create_structure): Formatting changes.
12543         * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12544         df_delete_basic_block): New function.
12545         (df_init): Changed location of flags.
12546         (df_add_problem): Added flags parameter and the way flags are
12547         processed.
12548         (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12549         debug_df_chain): Improved debugging output.
12550         (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12551         (df_refs_chain_dump): Removed df parameter.
12552         (df_iterative_dataflow): Added consistency check.
12553         (df_prune_to_subcfg): Made public.
12554         (df_analyze_problem): Added blocks_to_init parameter and made
12555         public.
12556         (df_ref_record, df_bb_refs_record, df_mark_reg,
12557          df_record_exit_block_uses): Whitespace changes.
12558         (df_dump): Whitespace changes.
12559         * df.h: Some reordering to remove forward references.
12560         (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12561         DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12562         (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12563         (dataflow.flags): New field.
12564         (df.flag): Deleted field.
12565         (df_alloc_function): Added additional bitmap parameter.
12566         (df_dependent_problem_function): New type.
12567         (df_problem.changeable_flags): New field.
12568         (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12569         DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12570         (df_mw_hardreg): New struct.
12571         (DF_INSN_UID_MWS): New macro.
12572         (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12573         parameter.
12574         (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12575         df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12576         df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12577         (df_set_state): Removed function.
12578         (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12579         * df-problems.c (df_chain_dump): Removed df parameter.
12580         (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12581         df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12582         parameter.
12583         (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12584         (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12585         df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12586         Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12587         DF_REF_MUST_CLOBBER cases.
12588         (df_ru_bb_local_compute_process_def,
12589         df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12590         df_lr_bb_local_compute, df_ur_bb_local_compute,
12591         df_chain_create_bb): Made subreg aware.
12592         (df_ru_bb_local_compute, df_rd_bb_local_compute,
12593         df_lr_bb_local_compute, df_lr_bb_local_compute,
12594         df_chain_create_bb): Cleanup to use proper macros.
12595         (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12596         code to fixup bitvectors.
12597         (df_ri_alloc): Cleared lifetime.
12598         (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12599         df_create_unused_note): New function.
12600         (df_ri_bb_compute, df_ri_compute): Added code to create/update
12601         REG_DEAD and REG_UNUSED notes as well as register information.
12602         (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12603         df_chains_dump): Fixed crash if problem was never run.
12604         (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12605         df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12606         df_ri_add_problem): Processes flags in uniform manner.
12607         (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12608         df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12609         df_rd_dump, df_urec_free_bb_info): Formatting changes.
12610         (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12611         df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12612         df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12613         df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12614         df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12615         df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12616         * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12617         * see.c (see_initialize_data): Ditto.
12618         * final.c (rest_of_clean_state) Added regstack_completed.
12619         * rtl.h (regstack_completed): Ditto.
12620         * reg-stack.c (regstack_completed): Ditto.
12622 2006-05-19  Mike Stump  <mrs@apple.com>
12624         * c-tree.h (default_conversion): Remove.
12625         * c-common.h (default_conversion): Add.
12627 2006-05-19  Zdenek Dvorak <dvorakz@suse.cz>
12629         * tree-vrp.c (valid_value_p): New function.
12630         (adjust_range_with_scev): Fail if the value of bound is not
12631         simple.
12633 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
12635         * config/mips/linux-unwind.h: Include <asm/unistd.h>
12636         (mips_fallback_frame_state): Use syscall numbers to determine
12637         the appropriate li instruction for the current ABI.  Only use
12638         __NR_sigreturn for o32.
12640 2006-05-19  Nicolas Setton  <setton@adacore.com>
12642         * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12643         * langhooks.c (lhd_dwarf_name): New function.
12644         * langhooks-def.h (lhd_dwarf_name): Declare.
12645         (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12646         * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12648 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
12650         * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12651         libgcc2.h.
12652         (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12653         MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
12654         LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12655         * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12656         Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12657         determine the size of Wtype, etc.
12658         * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12659         (swfloatfuncs): New variable.
12660         (dwfloatfuncs): Likewise.
12661         (lib2funcs): Remove floating-point conversion functions from
12662         initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
12663         the set of conversion routines needed.  Allow entries to specify
12664         an object name, filename and word size.  Update users accordingly.
12665         * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12666         * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12668         Revert:
12670         2006-02-08  Roger Sayle  <roger@eyesopen.com>
12672         PR target/22209
12673         * config/fixtfdi.c: New libgcc source file.
12674         * config/fixunstfdi.c: New source file.
12675         * config/floatditf.c: New source file.
12676         * config/floatunditf.c: New souce file.
12677         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12678         files above instead of config/mips/_tilib.c.
12679         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12681 2006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12683         * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12684         * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12686 2006-05-18  Mike Stump  <mrs@apple.com>
12688         Fix up vla, vm and [*] sematics.
12690         PR c/18740
12691         PR c/7948
12692         PR c/25802
12693         PR c/27673
12694         * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12695         (c_vla_unspec_p): Add.
12696         (c_vla_type_p): Add.
12697         * c-decl.c (struct c_scope): Add had_vla_unspec.
12698         (build_array_declarator): Add support for [*].
12699         (grokdeclarator): Likewise.
12700         (grokparms): Likewise.
12701         (get_parm_info): Likewise.
12702         * c-objc-common.c (c_vla_unspec_p): Likewise.
12703         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12704         * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12705         typeof when argument is a variably modified type not inside sizeof or alignof.
12706         (c_parser_direct_declarator_inner): Propagate errors.
12707         (c_parser_sizeof_expression): Add support for [*].
12708         (c_parser_parms_declarator): Initialize had_vla_unspec.
12709         (c_parser_parms_list_declarator): Likewise.
12710         * c-typeck.c (c_vla_type_p): Add.
12711         (composite_type): Add support for vla compositing.
12712         (comptypes_internal): Add support for vla compatibility.
12713         (c_expr_sizeof_expr): Evaluate vla arguments.
12714         * tree.c (variably_modified_type_p): Update comment for [*].
12716 2006-05-18  Michael Matz  <matz@suse.de>
12718         PR target/27599
12719         * config.host: Make assignments to host_xmake_file cumulative.
12720         * config.host (*-darwin*): Test $host, not $target.
12722 2006-05-12  Stuart Hastings  <stuart@apple.com>
12724         * config/i386/i386.opt (-mstackrealign): New flag.
12725         * config/i386/i386.c (force_align_arg_pointer): New attribute.
12726         (ix86_handle_cconv_attribute): Emit error when
12727         force_align_arg_pointer attribute collides with too many regparms.
12728         (ix86_function_regparm): Limit regparms when used with
12729         force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
12730         Support stack-realigning prologue in non-main functions.  Emit
12731         warning for nested functions under -mstackrealign, emit error for
12732         nested functions with force_align_arg_pointer attribute.
12733         * doc/extend.texi (force_align_arg_pointer): Document it.
12734         * doc/invoke.texi (-mstackrealign): Document it.
12736 2006-05-17  Kazu Hirata  <kazu@codesourcery.com>
12738         PR rtl-optimization/27477
12739         * combine.c (try_combine): Don't split a parallel consisting
12740         of two sets into two individual sets if both sets reference
12741         cc0.
12743 2006-05-17  H.J. Lu  <hongjiu.lu@intel.com>
12745         * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12746         * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12748         * doc/options.texi (VarExists): Updated.
12750 2006-05-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12752         * unwind-dw2.c: Add declarations for uw_update_context and
12753         uw_frame_state_for.
12754         * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12755         detected, advance frame state and context once to skip over stub.
12757 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
12759         PR middle-end/20256
12760         PR middle-end/26435
12761         * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12762         Call rewrite_into_loop_closed_ssa only when something changed.
12763         * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12764         * lambda-code.c (can_convert_to_perfect_nest): Declared.
12765         (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12766         Test for perfect_nest_p here.  Fix formating.
12767         (replace_uses_equiv_to_x_with_y): Fix formating.
12768         (stmt_uses_op): Removed.
12769         (can_convert_to_perfect_nest): Removed loopivs parameter.
12770         Complete the test by checking the scalar dependences.
12771         (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12772         Fix formating.
12774 2006-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12776         PR bootstrap/22541
12777         From Dan Kegel <dank@kegel.com>:
12778         * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12780 2006-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12782         * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12783         if the element type is variably modified without recursing.
12785 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
12787         PR middle-end/27332
12788         * tree-loop-linear.c (try_interchange_loops): Test for
12789         no data dependences.
12791 2006-05-17  Zdenek Dvorak <dvorakz@suse.cz>
12793         PR tree-optimization/27548
12794         * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12795         range of ssa names that appear on abnormal edges.
12796         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12797         * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12799 2006-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12801         PR middle-end/27620
12802         * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12804 2006-05-17  Jakub Jelinek  <jakub@redhat.com>
12806         PR middle-end/27415
12807         * tree.h (OMP_PARALLEL_COMBINED): Define.
12808         * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12809         (new_omp_context): Add is_combined_parallel argument.
12810         (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12811         new_omp_context caller.
12812         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12813         Adjust gimplify_scan_omp_clauses callers.
12814         (omp_is_private): Issue errors if iteration variable is firstprivate
12815         or reduction in the current context.
12816         * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12817         on combined parallel workshare constructs.
12819 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12821         * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12822         (gcc-options.o): New rule.
12824         * optc-gen.awk: Protect variables for gcc-options.o with
12825         #ifdef GCC_DRIVER/#endif.
12827 2006-05-16  Daniel Berlin <dberlin@dberlin.org>
12829         Fix PR tree-optimization/27373
12830         * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12831          (forward_propagate_addr_expr): Update call.
12833 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12835         * doc/options.texi: Move the Negative option.
12837 2006-05-16  Richard Guenther  <rguenther@suse.de>
12839         PR tree-optimization/22303
12840         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12841         from STRING_CSTs.
12842         (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12843         ccp_fold did not simplify the statement.
12845 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12847         PR driver/26885
12848         * Makefile.in (GCC_OBJS): New.
12849         (OBJS-common): Add opts-common.o.
12850         (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12851         (cpp$(exeext)): Likewise.
12852         (gcc.o): Also depend on opts.h.
12853         (opts-common.o): New.
12855         * common.opt (gcoff): Add Negative(gdwarf-2).
12856         (gdwarf-2): Add Negative(gstabs).
12857         (gstabs): Add Negative(gstabs+).
12858         (gstabs+): Add Negative(gvms).
12859         (gvms): Add Negative(gxcoff).
12860         (gxcoff): Add Negative(gxcoff+).
12861         (gxcoff+): Add Negative(gcoff).
12862         * config/i386/i386.opt (m32): Add Negative(m64).
12863         (m64): Add Negative(m32).
12865         * doc/options.texi: Document the Negative option.
12867         * gcc.c: Include "opts.h".
12868         (main): Call prune_options after expandargv.
12870         * optc-gen.awk: Generate common declarations for all flag
12871         variables in options.c. Output the neg_index field.
12873         * opts.c (find_opt): Moved to ...
12874         * opts-common.c: Here. New file.
12876         * opts.h (cl_option): Add a neg_index field.
12877         (find_opt): New.
12878         (prune_options): Likewise.
12880 2006-05-16  Jakub Jelinek  <jakub@redhat.com>
12882         PR middle-end/27573
12883         * omp-low.c (expand_omp_parallel): Don't assert
12884         .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12885         instead search for it.
12887         PR c/27499
12888         * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12889         is signed.
12891 2006-05-16  Andreas Schwab  <schwab@suse.de>
12893         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12894         defmac.
12896 2006-05-15  Roger Sayle  <roger@eyesopen.com>
12898         PR target/26600
12899         * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12900         integer constants other than zero are only legitimate on TARGET_64BIT.
12901         <CONST_VECTOR> Only zero vectors are legitimate.
12902         (ix86_cannot_force_const_mem): Integral and vector constants can
12903         always be put in the constant pool.
12905 2006-05-16  DJ Delorie  <dj@redhat.com>
12907         * crtstuff.c (__dso_handle): Set section from
12908         TARGET_LBIGCC_SDATA_SECTION if defined.
12909         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12910         * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12912 2006-05-16  Danny Smith  <dannysmith@users.sourceforge.net>
12914         PR target/27599
12915         * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12916         host_xmake_file.
12918 2006-05-16  Ben Elliston  <bje@au.ibm.com>
12920         * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12922 2006-05-15  Per Bothner  <per@bothner.com>
12924         * tree.c: (last_annotated_node): Use source_locus typedef.
12925         This permits bootstrapping with --enable-mapped-location.
12927 2006-05-15  Zdenek Dvorak <dvorakz@suse.cz>
12929         PR tree-optimization/26830
12930         * tree-into-ssa.c (struct ssa_name_info): Add age field.
12931         (info_for_ssa_name, current_info_for_ssa_name_age,
12932         blocks_to_update): New variables.
12933         (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12934         (clear_ssa_name_info, initialize_flags_in_bb,
12935         mark_block_for_update): New functions.
12936         (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12937         (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12938         prepare_def_site_for): Use mark_block_for_update.
12939         (mark_def_interesting): Assert that the processed block is marked in
12940         blocks_to_update.  Do not take blocks argument.
12941         (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12942         argument.
12943         (rewrite_update_init_block, rewrite_update_stmt): Only process
12944         blocks with statements to rewrite.
12945         (delete_update_ssa): Do not clear SSA_NAME_AUX.
12946         (update_ssa): Initialize and free blocks_to_update.  Do not
12947         clear flags on statements.  Do not use blocks bitmap.
12948         * tree.h (SSA_NAME_AUX): Removed.
12949         (struct tree_ssa_name): Removed aux field.
12950         * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12952 2006-05-15  Richard Guenther  <rguenther@suse.de>
12954         PR tree-optimization/27603
12955         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12956         Do computations in original type.
12958 2006-05-15  Mircea Namolaru  <namolaru@il.ibm.com>
12960         * see.c: Code style changes such as redundant paranthesis,
12961         redundant intialization of local variables etc.
12962         (see_main): Declared now as static.
12963         * doc/invoke.texi: Update that -fsee is not enabled by
12964         default at -O3.
12966 2006-05-15  Jakub Jelinek  <jakub@redhat.com>
12968         * omp-low.c (check_omp_nesting_restrictions): New function.
12969         (scan_omp_1): Call it.
12971         PR middle-end/27416
12972         * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12973         construct, return *VAR.
12975 2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
12977         PR rtl-optimization/27406
12978         * bt-load.c (migrate_btr_def): Skip the block having abnormal
12979         edges.
12981 2006-05-14  Roger Sayle  <roger@eyesopen.com>
12983         PR rtl-optimization/27538
12984         * combine.c (expand_compound_operation): Call gen_lowpart
12985         before calling simplify_shift_const.
12987 2006-05-14  Roger Sayle  <roger@eyesopen.com>
12989         PR rtl-optimization/22563
12990         * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12991         a fixed width bitfield, always force the intermediates into psuedos.
12993 2006-05-14  Bernhard Fischer  <aldot@gcc.gnu.org>
12995         PR 27501
12996         * mkconfig.sh: Use operator = instead of == for test.
12998 2006-05-13  Nick Clifton  <nickc@redhat.com>
13000         * dwarf2out.c (dbx_reg_number): Check return value from
13001         LEAF_REG_REMAP and only use it if it is valid.
13002         (multiple_reg_loc_descriptor): Likewise.
13004 2006-05-13  Richard Guenther  <rguenther@suse.de>
13006         * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
13007         host_xmake_file.
13009 2006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
13011         * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
13012         information attached to non-INSNs such as NOTEs.
13013         (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
13015 2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
13017         * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
13018         On contraint.
13019         * config/s390/s390.md: Adjust comment describing On constraint.
13021 2006-05-11  Jan Hubicka  <jh@suse.cz>
13023         * cgraphunit.c (decide_is_function_needed): Don't force always_inline
13024         to be output at -O0.
13026 2006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13028         PR middle-end/27384
13029         * fold-const.c (size_binop): Move sanity check for arguments to
13030         the beginning of the function.
13032         PR middle-end/27488
13033         * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
13034         expression.
13036 2006-05-11  Richard Guenther  <rguenther@suse.de>
13038         PR middle-end/27529
13039         * fold-const.c (fold_unary): Handle intermediate conversion
13040         to a pointer type like intermediate conversion to an integer
13041         type in folding of (T1)(T2)var to var.
13042         Match the code to the comment in the final conversion for
13043         (T1)(T2)var to (T1)var regarding to type precision.  Rather
13044         than disallow T1 being of pointer type, assert that both T1
13045         and var are of pointer type or not.  Make sure not to fall
13046         over the frontends lazyness wrt array to pointer decay though.
13048 2006-05-10  Richard Earnshaw  <rearnsha@arm.com>
13050         * arm.c (arm_struct_value_rtx): Delete.
13051         (TARGET_STRUCT_VALUE_RTX): Use the default definition.
13052         (arm_init_cumulative_args): Always initialize nregs to zero.
13054 2006-05-10  Richard Guenther  <rguenther@suse.de>
13056         PR tree-optimization/27532
13057         * tree-object-size.c (plus_expr_object_size): Fix typo.
13059 2006-05-10  Kazu Hirata  <kazu@codesourcery.com>
13061         PR target/24949
13062         * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
13063         ashrdi_const, ashrdi3): Use a scratch register.
13065 2006-05-10  Richard Guenther  <rguenther@suse.de>
13067         PR tree-optimization/27302
13068         * fold-const.c (operand_equal_p): For two comparisons,
13069         try comparison of one comparison code swapped if that yields
13070         the same code.
13072 2006-05-10  Ben Elliston  <bje@au.ibm.com>
13074         * tree-pretty-print.c (pretty_print_string): No need to handle
13075         '\0' as a special character.
13077         * tree.h: Include "hashtab.h".
13078         (iterative_hash_expr): Use hashval_t in its prototype.
13079         * Makefile.in (TREE_H): Add $(HASHTAB_H).
13081 2006-05-09  Steve Ellcey  <sje@cup.hp.com>
13083         PR bootstrap/26872
13084         * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
13085         (hppa*64*-*-hpux11*): Ditto.
13086         (hppa[12]*-*-hpux11*): Ditto.
13088 2006-05-09  David Edelsohn  <edelsohn@gnu.org>
13090         PR target/26545
13091         * config/rs6000/aix41.h (TARGET_64BIT): Define.
13093 2006-05-09  Michael Matz  <matz@suse.de>
13095         * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
13096         host_extra_gcc_objs and host_xmake_file.
13097         (<*-*-linux*>): Don't overwrite host_xmake_file.
13098         * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
13099         * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
13100         (host_detect_local_cpu): Declare.
13101         (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
13102         * config/i386/i386.c (override_options): Handle -mtune=native
13103         as -mtune=generic.
13104         * config/i386/x-i386: New file.
13105         * config/i386/driver-i386.c: New file.
13106         * doc/invoke.texi (<i386 and x86-64 Options>): Describe
13107         cpu-type "native".
13109 2006-05-09  Dirk Mueller  <dmueller@suse.de>
13110         Richard Guenther  <rguenther@suse.de>
13112         PR middle-end/27498
13113         * fold-const.c (fold_read_from_constant_string): Relax check
13114         for matching types to matching modes.
13116 2006-05-09  Zdenek Dvorak <dvorakz@suse.cz>
13118         PR rtl-optimization/27335
13119         * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
13120         loops.
13122 2006-05-08  Chao-ying Fu  <fu@mips.com>
13123             Richard Sandiford  <richard@codesourcery.com>
13125         * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
13126         (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
13127         * config/mips/mips.md (UNSPEC_SCC): New constant.
13128         * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
13129         * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
13130         (mips_emit_compare): Use it.
13131         (mips_expand_vcondv2sf): New function.
13133 2006-05-08  Daniel Berlin  <dberlin@dberlin.org>
13135         Fix PR tree-optimization/27093
13136         * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
13137         renaming when they become not-used_alone.
13139 2006-05-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13141         * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
13142         relocation and relocation stubs.
13144 2006-05-08  Eric Christopher  <echristo@apple.com>
13146         * unwind-dw2-fde-darwin.c (examine_objects): Only check data
13147         section for ppc.
13149 2006-05-08  Jan Hubicka  <jh@suse.cz>
13151         PR middle-end/24561
13152         * cgraphunit.c (decide_is_function_needed): When not optimizing even
13153         unused static functions are needed.
13155 2006-05-08  Roger Sayle  <roger@eyesopen.com>
13157         PR target/27158
13158         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
13159         of a reg_equiv_constant if the result is a legitimate constant.
13161 2006-05-08  Uros Bizjak  <uros@kss-loka.si>
13163         PR target/27277
13164         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
13165         standard 80387 constants, raise the cost to prevent
13166         compress_float_constant() to generate load from memory.
13168 2006-05-08  Kazu Hirata  <kazu@codesourcery.com>
13170         * config/arm/constraints.md (c): Fix a typo.
13172         * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
13173         typos.
13175 2006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
13177         PR target/24879
13178         * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
13179         inline function.
13180         (_mm_mwait): Likewise.
13182         * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
13183         "mwait".
13184         (sse3_monitor): Make it 32bit only.
13185         (sse3_monitor64): New. 64bit monitor.
13187 2006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13189         PR target/27421
13190         * config/i386/i386.c (classify_argument): Skip fields with invalid
13191         types.
13193 2006-05-07  Richard Guenther  <rguenther@suse.de>
13195         PR tree-optimization/27409
13196         * tree-ssa-structalias.c (get_constraint_for_component_ref):
13197         Do not try to find zero-sized subvars.
13199 2006-05-07  Richard Guenther  <rguenther@suse.de>
13201         PR tree-optimization/27136
13202         * tree-ssa-loop-niter.c (get_val_for): Correct function
13203         comment, assert requirements.
13204         (loop_niter_by_eval): Stop processing if the iterated
13205         value did not simplify.
13207 2006-05-07  Mircea Namolaru  <namolaru@il.ibm.com>
13209         * opts.c (flag_see): remove its setting at -O3.
13211 2006-05-07  Richard Earnshaw  <rearnsha@arm.com>
13213         * genpeep.c (main): Make insn-peep.c depend on flags.h.
13214         * arm/constraints.md: New file.
13215         * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
13216         (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
13217         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
13218         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
13219         (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
13220         (EXTRA_MEMORY_CONSTRAINT): Likewise.
13221         * arm.md: Include constraints.md.
13222         (thumb_movsi_insn): Use satisfies_constraint_J.
13223         (movhi, movqi): Use satisfies_constraint_I.
13225 2006-04-29 Anatoly Sokolov <aesok@post.ru>
13227         * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
13228         for atmeg a645 device.
13230 2006-05-06   Richard Guenther  <rguenther@suse.de>
13232         PR tree-optimization/27151
13233         * tree-vect-transform.c (vectorizable_condition): Punt on
13234         values that have a different type than the condition.
13236 2006-05-03  Aldy Hernandez  <aldyh@redhat.com>
13238         PR/21391
13239         * c-parser.c (c_parser_cast_expression): Only insert casts into
13240         hash table if pointer.
13241         * function.c (used_types_insert_helper): Rename from
13242         used_types_insert.
13243         (used_types_insert): Call used_types_insert_helper.
13244         * function.h (used_types_insert): Accept only one argument.
13246 2006-05-05  David Edelsohn  <edesohn@gnu.org>
13248         * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
13249         scratch with output modifier.
13251 2006-05-04  David Edelsohn  <edelsohn@gnu.org>
13253         PR target/26481
13254         * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
13255         with output modifier.
13257 2006-05-04  Richard Sandiford  <richard@codesourcery.com>
13259         PR target/26765
13260         * config/mips/mips.c (mips_symbolic_address_p): Return true
13261         for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
13262         SYMBOL_GOTTPREL, and SYMBOL_TLS.
13264 2006-05-04  Richard Guenther  <rguenther@suse.de>
13266         PR tree-optimization/14287
13267         PR tree-optimization/14844
13268         PR tree-optimization/19792
13269         PR tree-optimization/21608
13270         PR tree-optimization/27090
13271         * tree-ssa-pre.c (try_combine_conversion): New function.
13272         (compute_avail): After constructing the value-handle
13273         expression, use try_combine_conversion to combine NOP_EXPRs
13274         with previous value-handle expressions and use the result if it
13275         is available.
13277 2006-05-04  Joseph S. Myers  <joseph@codesourcery.com>
13279         * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
13281 2006-05-04  Jan Hubicka  <jh@suse.cz>
13283         PR middle-end/25962
13284         * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13286 2006-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
13288         * config/bfin/predicates.md (const01_rtx): Tell generator programs
13289         that this only matches CONST_INTs.  All users changed to VOIDmode
13290         operands.
13292         * config/bfin/bfin.c: Include "optabs.h".
13293         (bfin_rtx_costs): Some costs for vector operations, to allow combine
13294         to do more work.
13295         (enum bfin_builtins): Add a number of fractional and vector builtins.
13296         (bfin_init_builtins): Likewise.
13297         (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13298         (safe_vector_operand, bfin_expand_binop_builtin,
13299         bfin_expand_unop_builtin): New functions.
13300         (bfin_expand_builtin): Handle the new builtins.
13301         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13302         __ADSPBLACKFIN__.
13304 2006-05-04  Leehod Baruch  <leehod@il.ibm.com>
13306         * see.c: New file.
13307         * Makefile.in (OBJS-common): Add see.o.
13308         (see.o): Add dependencies.
13309         * common.opt (fsee): New flag for the see optimization was added.
13310         * opts.c (flag_see): Initialized.
13311         * passes.c (init_optimization_passes, pass_see): New pass.
13312         * rtl.h (see_main): Declaration as extern.
13313         * timevar.def (TV_SEE): New.
13314         * tree-pass.h (pass_see): Declaration as extern.
13315         * invoke.texi (-fsee): Document.
13316         * recog.c (validate_simplify_insn): New function.
13317         * recog.h (validate_simplify_insn): Declaration as extern.
13318         * df-problems.c (df_chain_dump): Check for NULL.
13320 2006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
13321             Daniel Berlin  <dberlin@dberlin.org>
13323         * cfgrtl.c (insert_insn_bb_end_new): New function.
13324         * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13326 2006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>
13328         * df.h (struct web_entry): Moved from web.c.
13329         (union_defs): Declaration as extern.
13330         (unionfind_root): Likewise.
13331         (unionfind_union): Likewise.
13332         * web.c (struct web_entry): Moved to df.h.
13333         (unionfind_root): Remove static declaration.
13334         (unionfind_union): Likewise.
13335         (union_defs): Likewise and generalize to use callback function.
13336         (web_main): Update arguments for union_defs function call.
13338 2006-05-04  Richard Guenther  <rguenther@suse.de>
13340         PR tree-optimization/26447
13341         * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13342         produce SSA_NAME copies before the store stmt to avoid
13343         breaking exception handling.
13345 2006-05-04  Jakub Jelinek  <jakub@redhat.com>
13347         PR middle-end/27388
13348         * gimplify.c (omp_is_private): If var is shared in some outer context,
13349         return false instead of true.  Stop searching on parallel context
13350         boundary.
13352 2006-05-03  Alexandre Oliva  <aoliva@redhat.com>
13354         PR java/8260
13355         * coverage.c: Use get_gcov_unsigned_t() instead of
13356         unsigned_type_node all over.
13358 2006-05-02  Andrew MacLeod  <amacleod@redhat.com>
13360         PR tree-optimization/27381
13361         * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13362         maintain the same immediate_use links.
13363         * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13364         node rather than segfaulting.
13366 2006-05-03  Jakub Jelinek  <jakub@redhat.com>
13368         PR fortran/27395
13369         * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13370         rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
13371         bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13373 2006-05-02  Daniel Berlin  <dberlin@dberlin.org>
13375         Fix PR tree-optimization/26626
13376         * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13377         always.
13378         * tree-ssa-operands.c (access_can_touch_variable): Allow
13379         typecasting through union pointers.
13381 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
13383         PR c++/26943
13384         * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13385         (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13386         to find if var will be a global variable even in the nested context.
13387         (omp_copy_decl): Only check for global variable at the end, it might
13388         be overridden in outer contexts.
13389         (scan_sharing_clauses): For global variables don't create a field.
13390         (lower_rec_input_clauses): Do nothing for global shared variables.
13391         Emit a barrier at the end of ILIST if there were any decls in both
13392         firstprivate and lastprivate clauses.
13393         (lower_send_clauses): Do nothing for global variables except for
13394         COPYIN.
13396 2006-05-02  Zdenek Dvorak <dvorakz@suse.cz>
13398         * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13399         of the correct signedness is returned.
13401 2006-05-02  Jeff Law  <law@redhat.com>
13403         PR tree-optimization/27364
13404         * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13405         multiply expressions.
13407 2006-05-02  Tom Tromey  <tromey@redhat.com>
13409         * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13411 2006-05-02  Kazu Hirata  <kazu@codesourcery.com>
13413         PR target/27387
13414         * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13415         -mthumb -fPIC are used.
13417 2006-05-02  Stanislaw Skowronek  <skylark@linux-mips.org>
13418             Joshua Kinard  <kumba@gentoo.org>
13420         PR target/25871
13421         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13422         with 64-bit pointers.
13424 2006-05-02  Paul Brook  <paul@codesourcery.com>
13426         * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13427         and pool overlap.
13428         (create_fix_barrier): Check that a suitable barrier location is
13429         found.
13430         (arm_reorg): Include ftmp->address in allowable range of addresses.
13432 2006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
13434         PR ada/27366
13435         * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13436         on Cygwin.
13438 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
13440         PR middle-end/27337
13441         * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13442         around RESULT_DECL for result passed by reference.
13443         (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13444         * omp-low.c (use_pointer_for_field): Don't look at
13445         DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13446         (scan_omp_1): Call remap_decl on RESULT_DECLs.
13447         (lower_rec_input_clauses): Don't allocate VLA memory for the second
13448         time or var for passing by reference for
13449         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
13450         TREE_ADDRESSABLE variables when passing by reference.
13452         * omp-low.c (dump_omp_region): Fix output formatting.
13454         PR middle-end/27328
13455         * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13456         (expand_omp_parallel): Likewise.
13457         * tree-cfg.c (move_sese_region_to_fn): Likewise.
13459         PR middle-end/27325
13460         * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13461         on statement list containing also constructors and destructors.
13462         (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13464         PR middle-end/27310
13465         * except.c (duplicate_eh_regions): Fix clearing of
13466         cfun->eh->region_array entries.
13468 2006-05-01  DJ Delorie  <dj@redhat.com>
13470         * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13471         build!=host.
13472         (gcc_cv_objdump): Likewise.
13473         * configure: Regenerated.
13475 2006-05-01  Kazu Hirata  <kazu@codesourcery.com>
13477         PR target/27374
13478         * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13479         templates for case 3 and 4.
13481 2006-05-01  DJ Delorie  <dj@redhat.com>
13483         * vec.c: Include bconfig.h when appropriate.
13484         * Makefile.in (build/vec.o): Adjust dependencies.
13485         * mkconfig.sh: Make sure config.h isn't used for build machine
13486         compiles.
13488 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13490         * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13491         variables.
13492         (mark_phi_for_rewrite): New function.
13493         (insert_phi_nodes_for, mark_use_interesting): Call
13494         mark_phi_for_rewrite.
13495         (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13496         (update_ssa): Initialize and free phis_to_rewrite.
13498 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13500         PR rtl-optimization/27291
13501         * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13502         folded to a constant.
13504 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13506         PR tree-optimization/27283
13507         * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13508         not whole # of iteration descriptions.
13509         (niter_for_exit): Return just # of iterations.  Fail if # of iterations
13510         uses abnormal ssa name.
13511         (niter_for_single_dom_exit): Ditto.
13512         (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13513         return just the number of iterations.
13515 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13517         PR tree-optimization/27144
13518         * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13519         (record_estimate): Only record constant upper bound.
13520         (infer_loop_bounds_from_undefined): Call
13521         compute_estimated_nb_iterations just once.
13522         (proved_non_wrapping_p): Renamed to ...
13523         (n_of_executions_at_most): ... this.  Expect bound to be a constant.
13524         (convert_step_widening, scev_probably_wraps_p): Call
13525         n_of_executions_at_most instead of proved_non_wrapping_p.
13526         (substitute_in_loop_info): Do not replace values in bounds.
13527         * cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
13528         comments.
13530 2006-05-01  Richard Henderson  <rth@redhat.com>
13532         PR c/27358
13533         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13534         c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
13535         CPP_PRAGMA.
13537 2006-05-01  Roger Sayle  <roger@eyesopen.com>
13539         * c-typeck.c (parser_build_binary_op): Don't call the function
13540         unsigned_conversion_warning to spot operand/result type overflow.
13541         (build_binary_op): Instead, call convert_and_check instead of
13542         convert to report the problem when the operands are promoted.
13543         * c-common.c (unsigned_conversion_warning): Make static.
13544         * c-common.h (unsigned_conversion_warning): Delete prototype.
13546 2006-05-01  Richard Guenther  <rguenther@suse.de>
13548         PR tree-optimization/26726
13549         * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13550         problem ...
13551         (find_interesting_uses_address): ... we work around here
13552         by folding INDIRECT_REFs in the substituted base.
13554 2006-05-01  Diego Novillo  <dnovillo@redhat.com>
13556         * omp-low.c (dump_omp_region): Add newlines.
13558 2006-04-30  Roger Sayle  <roger@eyesopen.com>
13560         * common.opt (Woverflow): New command line option.
13561         * c-common.c (constant_expression_warning): Check warn_overflow.
13562         (overflow_waring): Pass OPT_Woverflow to warning.
13563         (unsigned_conversion_warning): Likewise.
13564         (convert_and_check): Likewise.
13565         * doc/invoke.texi: Document new command line option.
13567 2006-04-30  David Edelsohn  <edelsohn@gnu.org>
13569         * config/rs6000/rs6000.c (rs6000_override_options): Enable
13570         TARGET_NO_FP_IN_TOC for section anchors.
13571         (optimization_options): Enable section anchors for all
13572         non-"Objective" languages.
13574 2006-04-28  Eric Christopher  <echristo@apple.com>
13576         * config/darwin-c.c (darwin_ms_struct): Move this
13577         (darwin_set_default_type_attributes): and this...
13578         * config/darwin.c: ... here.
13579         * config/darwin.h (darwin_ms_struct): Declare.
13581 2006-04-28  Andrew MacLeod  <amacleod@redhat.com>
13583         * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13585 2006-04-28  Roger Sayle  <roger@eyesopen.com>
13587         PR c/25309
13588         * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13589         (push_array_bounds): Delete prototype.  Change BOUNDS argument to
13590         an unsigned HOST_WIDE_INT.
13591         (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13592         array index.
13593         (really_start_incremental_init): No need to call convert because
13594         bitsize_zero_node is already of type bitsizetype.
13595         (push_init_level): Extract the value of constructor_index as an
13596         unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13597         (process_init_element): Likewise.
13599 2006-04-28  Joseph S. Myers  <joseph@codesourcery.com>
13601         * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13602         value before passing to make_relative_prefix.
13604 2006-04-28  Alan Modra  <amodra@bigpond.net.au>
13606         PR middle-end/27260
13607         * builtins.c (expand_builtin_memset): Expand val in original mode.
13609 2006-04-27  Eric Christopher  <echristo@apple.com>
13611         * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13612         with #ifndef/#endif.
13613         * config/darwin-c.c (darwin_ms_struct): New.
13614         (darwin_pragma_ms_struct): Ditto.
13615         (darwin_set_default_type_attributes): Ditto.
13616         * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13617         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13618         Register ms_struct pragma.
13619         * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13620         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13621         * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13622         darwin_set_default_type_attributes if TARGET_MACHO.
13624 2006-04-27  Andrew MacLeod  <amacleod@redhat.com>
13626         PR tree-optimization/26854
13627         * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13628         * doc/tree-ssa.texi: Update immuse iterator documentation.
13629         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13630         * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13631         * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13632         first_safe_imm_use, next_safe_imm_use): Remove.
13633         (end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
13634         (end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
13635         (move_use_after_head): New.  Helper function to sort immuses in a stmt.
13636         (link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
13637         (first_imm_use_stmt): New.  Get first stmt in an immuse list.
13638         (next_imm_use_stmt): New.  Get next stmt in an immuse list.
13639         (first_imm_use_on_stmt): New.  Get first immuse on a stmt.
13640         (end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
13641         (next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
13642         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13643         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13644         (perfect_nestify): Use new iterator.
13645         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13646         iterator.
13647         * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13648         (next_imm_name): New field in struct immediate_use_iterator_d.
13649         (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13650         (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13651         FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13652         * tree-cfg.c (replace_uses_by): Use new iterator.
13653         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13654         * tree-ssa-operands.c (correct_use_link): Remove.
13655         (finalize_ssa_use_ops): No longer call correct_use_link.
13657 2006-04-27  Stuart Hastings  <stuart@apple.com>
13659         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13660         * config/t-darwin (crt3.o): Use it.
13661         * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13662         'pmode', use Pmode instead of SImode for SYMBOL_REF.
13663         * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13664         call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13665         call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13666         support.
13668 2006-04-27  Roger Sayle  <roger@eyesopen.com>
13670         * expmed.c (store_fixed_bit_field): If we're not optimizing for
13671         size, force the intermediate into a new pseudo rather instead of
13672         performing both a bitwise AND and a bitwise IOR in memory.
13674 2006-04-27  Richard Guenther  <rguenther@suse.de>
13676         PR rtl-optimization/26685
13677         * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13678         this one "max-flow-memory-locations".
13680 2006-04-27  Richard Guenther  <rguenther@suse.de>
13682         PR tree-optimization/25148
13683         * tree-vrp.c (compare_values): Remove code dealing with
13684         comparisons against type min/max value.  Honour overflow
13685         and negative constants in code dealing with comparisons
13686         of plus and minus expressions.
13687         (value_inside_range): Use fold_binary with LE_EXPR and
13688         GE_EXPR rather than compare_values.
13690 2006-04-27  Dirk Mueller  <dmueller@suse.de>
13692         * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13693         prototype for SSE.
13695 2006-04-26  Kenneth Zadeck <zadeck@naturalbridge.com>
13697         * basic-block.h (safe_insert_insn_on_edge): Removed.
13698         * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13700 2006-04-26  David Edelsohn  <edelsohn@gnu.org>
13701             Paolo Bonzini  <bonzini@gnu.org>
13703         PR middle-end/27282
13704         * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13705         (simplify_and_const_int): Same.
13707 2006-04-26  Aldy Hernandez  <aldyh@redhat.com>
13709         * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13711 2006-04-26  Jakub Jelinek  <jakub@redhat.com>
13713         PR c/26171
13714         * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13715         cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13716         cgraph_global_info_ready.
13718         PR middle-end/26913
13719         * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13721         PR c/25996
13722         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13723         either decl or init is error_mark_node.
13725         PR middle-end/25989
13726         * tree-flow.h (struct omp_region): Add sched_kind.
13727         * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13728         instead of extracting omp for data.
13729         (expand_omp_for): Save extracted sched_kind.
13731 2006-04-25  Roger Sayle  <roger@eyesopen.com>
13733         * expmed.c (store_bit_field): Also check whether the bitsize is
13734         valid for the machine's "insv" instruction before moving the
13735         target into a pseudo for use with the insv.
13736         * config/i386/predicates.md (const8_operand): New predicate.
13737         * config/i386/i386.md (extv, extzv, insv): Use the new
13738         const8_operand predicate where appropriate.
13740 2006-04-25  DJ Delorie  <dj@redhat.com>
13742         * doc/install.texi (Specific): Clarify that this is not a list of
13743         supported hosts or targets.
13745 2006-04-25  Richard Sandiford  <richard@codesourcery.com>
13747         PR rtl-optimization/26725
13748         * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13749         block's BB_DIRTY flag.
13751 2006-04-25  Geoffrey Keating  <geoffk@apple.com>
13753         * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13754         are no branches.
13756         * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13757         to print an integer.
13759 2006-04-25  David Edelsohn  <edelsohn@gnu.org>
13761         * varasm.c (align_variable): New function.
13762         (get_block_for_decl): Apply align_variable to DECL before
13763         calculating section information.
13764         (assemble_variable): Split out alignment computation.
13766 2006-04-25  Andreas Krebbel  <krebbel1@de.ibm.com>
13768         * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13769         machines.
13771 2006-04-25  Bernd Schmidt  <bernd.schmidt@analog.com>
13773         * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13774         MODE_PARTIAL_INT mode.
13775         * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13776         * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13777         for CONST_INTs.
13778         (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13779         * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13780         V2PDImode.
13781         * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13782         New predicates.
13783         * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13784         New constants.
13785         (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13786         MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13787         MACFLAG_IH): Likewise.
13788         (movstricthi_1): Renamed from "*movstricthi".
13789         (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13790         ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13791         abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13792         movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13793         movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13794         movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13795         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13796         sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13797         addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13798         mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13799         ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13800         flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13801         flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13802         flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13803         flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13805         * doc/rtl.texi (ss_ashift): Improve wording.
13807 2006-04-24  Geoffrey Keating  <geoffk@apple.com>
13809         * dwarf2out.c (verify_marks_clear): New.
13810         (prune_unused_types): Call verify_marks_clear initially, not
13811         prune_unmark_dies.
13813 2006-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
13815         * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13816         * doc/rtl.texi: Document them.
13817         * simplify-rtx.c (simplify_unary_operation,
13818         simplify_binary_operation_1): Don't abort when we see them.
13820 2006-04-24  Mark Mitchell  <mark@codesourcery.com>
13822         Revert:
13823         2006-04-23  Mark Mitchell  <mark@codesourcery.com>
13824         * configure.ac: Completely disregard languages that are not
13825         enabled.
13826         * configure: Regenerated.
13828 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
13829         Richard Guenther  <rguenther@suse.de>
13831         PR tree-optimization/27236
13832         * tree-inline.c (copy_body_r): Make sure to copy
13833         TREE_THIS_VOLATILE flag.
13835 2006-04-24  Richard Guenther  <rguenther@suse.de>
13837         PR middle-end/26869
13838         * tree-complex.c (update_parameter_components): Don't handle
13839         unused parameters which have no default def.
13841 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
13842         Richard Guenther  <rguenther@suse.de>
13844         PR tree-optimization/27218
13845         * tree-inline.c (expand_call_inline): Strip useless type
13846         conversions for the return slot address.
13848 2006-04-24  Richard Guenther  <rguenther@suse.de>
13850         * cfgloop.h (struct loops): Remove unused field array.  Reorder
13851         state after num.
13852         (LOOP_PREFETCH): Remove.
13854 2006-04-24  Richard Guenther  <rguenther@suse.de>
13856         PR tree-optimization/22525
13857         * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13858         variable, adjust types of generated expressions.
13860 2006-04-23  H.J. Lu  <hongjiu.lu@intel.com>
13862         * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13863         (tree-vect-patterns.o): Likewise.
13864         (jump.o): Likewise.
13865         (cselib.o): Likewise.
13866         (loop-doloop.o): Likewise.
13867         (regclass.o): Likewise.
13868         (reload1.o): Likewise.
13869         (explow.o): Replace target.h with $(TARGET_H).
13870         (ipa-prop.o): Likewise.
13871         (ipa-cp.o): Likewise.
13872         (ipa-inline.o): Likewise.
13873         (reorg.o): Likewise.
13874         (reg-stack.o): Likewise.
13876 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13878         * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13880 2006-04-23  Mark Mitchell  <mark@codesourcery.com>
13882         * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13884         * configure.ac: Completely disregard languages that are not
13885         enabled.
13886         * configure: Regenerated.
13888         PR c++/26534
13889         * c-common.h (c_build_bitfield_integer_type): Declare.
13890         * c-decl.c (c_build_bitfield_integer_type): Move to ...
13891         * c-common.c (c_build_bitfield_integer_type): ... here.
13893 2006-04-23  Roger Sayle  <roger@eyesopen.com>
13895         PR target/21283
13896         * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13897         a SImode SUBREG of a floating point register after no_new_pseudos.
13899 2006-04-23  Roger Sayle  <roger@eyesopen.com>
13901         * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13902         identify potentially eliminable registers to additionally catch
13903         VIRTUAL_INCOMING_ARGS_REGNUM.
13904         (addsi3): Update the conditions on when to use addsi_small_int.
13906 2006-04-23  Roger Sayle  <roger@eyesopen.com>
13908         PR target/16641
13909         * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13910         STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13911         rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13913 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13915         * fold-const.c (range_predecessor): Use operand_equal_p
13916         as the predicate for equality.
13917         (range_successor): Likewise.
13919 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
13921         Revert:
13922         * config/soft-fp/op-common.h: Fix a typo.
13924 2006-04-22  Frank Ch. Eigler  <fche@redhat.com>
13926         PR libmudflap/26864
13927         * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13928         * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13930 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
13932         * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13933         Fix comment typos.
13934         * doc/tm.texi: Fix a typo.
13936 2006-04-21  Geoffrey Keating  <geoffk@apple.com>
13938         * dwarf2out.c (struct die_struct): Document that die_sib makes
13939         a circular linked list.
13940         (FOR_EACH_CHILD): New.
13941         (reverse_die_lists): Delete.
13942         (reverse_all_dies): Delete.
13943         (add_dwarf_attr): Correct documentation.
13944         (remove_child_with_prev): New.
13945         (remove_child_TAG): Update for change to die_struct, use
13946         remove_child_with_prev.
13947         (add_child_die): Update for change to die_struct.
13948         (splice_child_die): Use remove_child_with_prev and add_child_die.
13949         (print_die): Use FOR_EACH_CHILD.
13950         (die_checksum): Likewise.
13951         (assign_symbol_names): Likewise.
13952         (output_location_lists): Likewise.
13953         (build_abbrev_table): Likewise.
13954         (calc_die_sizes): Likewise.
13955         (mark_dies): Likewise.
13956         (unmark_dies): Likewise.
13957         (unmark_all_dies): Likewise.
13958         (output_die): Likewise.
13959         (prune_unused_types_mark): Likewise.
13960         (prune_unused_types_walk): Likewise.
13961         (same_die_p): Update for change to die_struct.
13962         (break_out_includes): Likewise.
13963         (prune_unused_types_prune): Likewise.
13964         (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13965         (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13966         it's already clear.
13967         (dwarf2out_finish): Don't call reverse_all_dies.
13969 2006-04-21  Eric Christopher  <echristo@apple.com>
13971         * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13972         in comments and function names.
13974 2006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13976         PR c/25875
13977         * c-typeck.c (digest_init): Robustify.
13979         * c-typeck.c (pop_init_level): Simplify.
13981 2006-04-21  Steve Ellcey  <sje@cup.hp.com>
13983         * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13985 2006-04-21  Paul Brook  <paul@codesourcery.com>
13987         * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13988         hardware floating point.
13990 2006-04-21  David Edelsohn  <edelsohn@gnu.org>
13992         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13993         NON_FLOAT_REGS.
13995 2006-04-21  Nick Clifton  <nickc@redhat.com>
13997         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13998         OPT_EXTRA_PARTS.
14000 2006-04-21  Alan Modra  <amodra@bigpond.net.au>
14002         PR target/27230
14003         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
14004         C++ lang type in traceback table for Objective-C++.
14006         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
14008 2006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
14010         * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
14012 2006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14014         PR mudflap/26789
14015         * tree-mudflap.c (mudflap_finish_file): Skip function when there
14016         were errors.  Remove check for erroneous objects.
14018 2006-04-20  Jeff Law  <law@redhat.com>
14020         PR tree-optimization/26854
14021         * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
14022         checking for zero or one use.
14023         * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
14024         * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
14025         * tree-ssa-reassoc.c (negate_value): Similarly.
14026         (reassociate_bb): Similarly.
14028 2006-04-20  Jakub Jelinek  <jakub@redhat.com>
14030         PR C/27558
14031         * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
14032         TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
14033         than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
14035 2006-04-20  Alan Modra  <amodra@bigpond.net.au>
14037         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
14038         fp regs if the last fp arg doesn't fit in regs.
14040 2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14042         PR target/27182
14043         * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
14044         that the last insn has the REG_INC note.
14046 2006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
14047             Nathan Sidwell  <nathan@codesourcery.com>
14049         PR c/26774
14050         * stor-layout.c (update_alignment_for_field): Do not align
14051         ERROR_MARK nodes.
14052         (place_union_field): Place union field at the start of the union.
14053         (place_field): Move ERROR_MARK check later, and use the current
14054         allocation position to maintain monotonicity.
14056 2006-04-19  Zdenek Dvorak <dvorakz@suse.cz>
14058         * dominance.c: Include timevar.h.
14059         (calculate_dominance_info): Use TV_DOMINANCE.
14060         * timevar.def (TV_DOMINANCE): New timevar.
14061         * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
14063 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
14065         PR rtl-optimization/14261
14066         * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
14067         move would be an INSV insn.
14068         (noce_process_if_block): Don't optimize if the destination is a
14069         ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
14071 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
14073         * config/s390/s390.md: Add comments with the instructions emitted
14074         by an insn pattern if macros are used.
14076 2006-04-19  Alan Modra  <amodra@bigpond.net.au>
14078         PR rtl-optimization/26026
14079         * fold-const.c (fold_binary): Optimize div and mod where the divisor
14080         is a known power of two shifted left a variable amount.
14082 2006-04-18  Geoffrey Keating  <geoffk@apple.com>
14084         * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
14085         to hash table twice when the debug_str section has SECTION_MERGE.
14087 2006-04-18  Joseph S. Myers  <joseph@codesourcery.com>
14089         * config/soft-fp: New directory.  From glibc.
14090         * config/soft-fp/t-softfp: New.
14091         * config/soft-fp/README: New.
14092         * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
14093         * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
14094         (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
14095         (LIBGCC_DEPS): Add $(SFP_MACHINE).
14096         * config.gcc: Use rs6000/t-fprules-fpbit or
14097         rs6000/t-fprules-softfp and soft-fp/t-softfp together with
14098         rs6000/t-fprules.
14099         * config/rs6000/sfp-machine.h: New.  Based on glibc.
14100         * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
14101         New.
14102         * config/rs6000/t-fprules: Remove fp-bit rules.
14103         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
14104         * config/rs6000/t-linux64: Likewise.  Remove duplicates from
14105         LIB2FUNCS_EXTRA.  Remove fp-bit rules.
14106         (softfp_wrap_start, softfp_wrap_end): New.
14108 2006-04-18  DJ Delorie  <dj@redhat.com>
14110         * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
14112 2006-04-18  Devang Patel  <dpatel@apple.com>
14114         * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
14116 2006-04-18  Nick Clifton  <nickc@redhat.com>
14118         * config/sh/t-symbian: Add rule to build sh-c.o
14119         * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
14120         of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
14121         (sh_symbian_encode_section_info): Likewise.
14123 2006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>
14125         * builtins.c (expand_builtin_strcmp): Cover label definition of
14126         do_libcall with HAVE_cmpstrnsi.
14128 2006-04-18  Kazu Hirata  <kazu@codesourcery.com>
14130         * function.c (temp_slots_at_level, max_slot_level): Use VEC
14131         instead of VARRAY.
14132         * function.h (temp_slot_p): New.
14133         (function): Change the type of x_used_temp_slots to
14134         VEC(temp_slot_p,gc) *.
14136 2006-04-18  Nick Clifton  <nickc@redhat.com>
14138         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
14139         flag_strength_reduce.
14141         * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
14143 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
14145         PR target/27117
14147         Partial revert of revision 112637
14148         2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
14149                     Dale Johannesen  <dalej@apple.com>
14151         PR target/19653
14152         * regclass.c (struct reg_pref): Update documentation.
14153         (regclass): Set prefclass to NO_REGS if memory is the best option.
14154         (record_reg_classes): Cope with a prefclass set to NO_REGS.
14156 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
14158         PR tree-optimization/26821
14159         * tree-ssa-math-opts.c (get_constant_one): New.
14160         (insert_reciprocals): Use it.
14162 2006-04-17  Geoffrey Keating  <geoffk@apple.com>
14164         * dwarf2out.c (free_AT): Delete.
14165         (remove_AT): Update string ref counts.
14166         (remove_child_TAG): Don't call free_die.
14167         (free_die): Delete.
14168         (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
14169         or DW_TAG_GNU_EINCL.
14170         (prune_unused_types_walk_attribs): Reset string refcounts.
14171         (prune_unused_types_update_strings): New.
14172         (prune_unused_types_prune): Don't make unnecessary stores.  Don't
14173         call free_die.  Do call prune_unused_types_update_strings.
14174         (prune_unused_types): Empty debug_str_hash.
14176 2006-04-17  Roger Sayle  <roger@eyesopen.com>
14178         * expr.c (expand_assignment): Optimize away no-op moves where the
14179         source and destination are equal and have no side-effects.
14181 2006-04-17  Richard Guenther  <rguenther@suse.de>
14183         PR target/26826
14184         * reload.c (push_reload): Guard calls to get_secondary_mem
14185         for memory subregs.
14187 2006-04-16  Kazu Hirata  <kazu@codesourcery.com>
14189         * alias.c (reg_base_value, old_reg_base_value): Change the
14190         type to VEC(rtx,gc) *.
14191         (REG_BASE_VALUE, find_base_value, record_set,
14192         init_alias_analysis): Use VEC instead of VARRAY.
14194         * alias.c (alias_sets): Change the type to
14195         VEC(alias_set_entry,gc) *.
14196         (get_alias_set_entry, new_alias_set, record_alias_subset): Use
14197         VEC instead of VARRAY.
14198         (last_alias_set): Remove.
14200         * cgraph.h (cgraph_edge_p): New.
14201         Update the prototype of cgraph_function_versioning.
14202         * cgraphunit.c (cgraph_copy_node_for_versioning,
14203         cgraph_function_versioning): Use VEC instead of VARRAY.
14204         * ipa-cp.c (ipcp_insert_stage): Likewise.
14206 2006-04-16  Roger Sayle  <roger@eyesopen.com>
14208         PR target/26961
14209         * fold-const.c (fold_ternary): When converting "A ? B : C" into either
14210         "A op B" or "A op C", we may need to convert A to the type of B and C.
14212 2006-04-16  Adam Nemet  <anemet@caviumnetworks.com>
14214         * target.h (struct gcc_target): Add mode_rep_extended.
14215         * rtlanal.c (num_sign_bit_copies_in_rep): New global.
14216         (init_num_sign_bit_copies_in_rep): Initialize it using
14217         mode_rep_extended.
14218         (truncate_to_mode): Use it.
14219         (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
14220         * targhooks.h (default_mode_rep_extended): Declare it.
14221         * targhooks.c (default_mode_rep_extended): Define it.
14222         * target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
14223         default_mode_rep_extended.
14224         (TARGET_INITIALIZER): Include it.
14225         * doc/tm.texi (Misc): Document it.
14226         * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
14227         (mips_truncated_to_mode): New function.
14229 2006-04-16  Roger Sayle  <roger@eyesopen.com>
14231         PR middle-end/25474
14232         * expr.c (compress_float_constant): Copy the narrow constant into
14233         a new pseudo before extending it to its final width.
14235 2006-04-16  Roger Sayle  <roger@eyesopen.com>
14236             Andrew Pinski  <pinskia@gcc.gnu.org>
14237             Dale Johannesen  <dalej@apple.com>
14239         PR target/24076
14240         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
14241         special case code to implement V8HImode and V16QImode with SSE2.
14243 2006-04-15  Roger Sayle  <roger@eyesopen.com>
14245         * config/i386/i386.c (ix86_va_start): Ensure all integer constant
14246         trees are constructed with a suitable tree type.
14248 2006-04-15  Roger Sayle  <roger@eyesopen.com>
14250         * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
14251         (integer_onep): Likewise.
14252         (integer_all_onesp): Likewise.
14253         (integer_pow2p): Likewise.
14254         (integer_nonzerop): Likewise.
14255         (real_zerop): Likewise.
14256         (real_onep): Likewise.
14257         (real_twop): Likewise.
14258         (real_minus_onep): Likewise.
14259         (int_size_in_bytes): Likewise.
14260         (host_integerp): Likewise.
14262 2006-04-15  Kazu Hirata  <kazu@codesourcery.com>
14264         * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
14265         jump.c, mips-tfile.c, omp-low.c, sched-int.h,
14266         tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
14268         * tree-ssa-structalias.h (alias_info): Remove num_references.
14270 2006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14272         * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
14273         (output_bvb patterns): Likewise.
14274         * pa.c (output_bb): Use 'bb' insn for long branch case.
14275         (output_bvb): Likewise use '{bvb|bb}' for long branch case.
14276         (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
14277         1.  Correct length operand for alternatives 1 and 2.
14278         (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
14279         1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
14281 2006-04-14  Roger Sayle  <roger@eyesopen.com>
14283         * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
14284         is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
14285         were accidentally reverted by r112959.
14287 2006-04-15  Jakub Jelinek  <jakub@redhat.com>
14289         PR middle-end/26823
14290         * except.h (eh_region_outermost): New prototype.
14291         * except.c (eh_region_outermost): New function.
14292         * tree-cfg.c (find_outermost_region_in_block): Use it.
14294 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
14296         * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14297         of VARRAY.
14298         * reload1.c (reg_equiv_memory_loc_varray): Rename to
14299         reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
14300         (init_reload, reload): Use VEC instead of VARRAY.
14301         * reload.h: Update the prototype for
14302         reg_equiv_memory_loc_varray.
14304 2006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
14305             Eric Botcazou  <ebotcazou@libertysurf.fr>
14307         * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14308         register save area.
14310 2006-04-13  Uros Bizjak  <uros@kss-loka.si>
14312         PR middle-end/27134
14313         * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14314         to expand fallback builtin function call.
14316 2006-04-14  Alan Modra  <amodra@bigpond.net.au>
14318         PR middle-end/27095
14319         * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14320         and emit libcall here in case the builtin fails.
14321         (expand_builtin_strcmp): Always emit the libcall here on failure.
14323 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
14325         * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14326         * flow.c (reg_n_info): Change the type to
14327         VEC(reg_info_p,heap) *.
14328         * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14329         instead of VARRAY.
14330         * regs.h (reg_info_p): New.
14331         (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14332         REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14333         REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14334         instead of VARRAY.
14336 2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
14338         * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14339         defaulting to 100.
14340         * params.h (MAX_SCHED_READY_INSNS): New macro.
14341         * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14342         past MAX_SCHED_READY_INSNS during the first scheduling pass.
14343         (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14344         the ready list for 1 cycle during the first scheduling pass.
14345         * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14347 2006-04-13  Richard Henderson  <rth@redhat.com>
14349         PR libgomp/26651
14350         * gimple-low.c (lower_omp_directive): Remove dead code.
14351         (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14352         * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14353         * omp-low.c (struct omp_region): Move to tree-flow.h.
14354         (root_omp_region): Export.
14355         (omp_regions, lookup_omp_region): Remove.
14356         (determine_parallel_type): Update for struct omp_region changes.
14357         (dump_omp_region): Dump regions with block numbers.
14358         (new_omp_region): Take type and block instead of stmt; malloc
14359         instead of ggc.
14360         (free_omp_region_1, free_omp_regions): New.
14361         (expand_parallel_call): Take entry_stmt as argument; update for
14362         changes to omp_region.
14363         (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14364         (remove_exit_barriers): New.
14365         (expand_omp_parallel): Update for struct omp_region changes.
14366         (expand_omp_synch): Likewise.
14367         (expand_omp): Likewise.
14368         (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14369         (expand_omp_for_static_chunk): Likewise.
14370         (expand_omp_for): Likewise.
14371         (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14372         (expand_omp_sections): Similarly, with GOMP_sections_end.
14373         (expand_omp_single): New.
14374         (build_omp_regions_1): Update for OMP_CONTINUE.
14375         (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14376         (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14377         OMP_SECTIONS_SECTIONS.
14378         (lower_omp_single_simple): Don't emit barrier here.
14379         (lower_omp_single_copy): Likewise.
14380         (lower_omp_single): Fix bindings, and lower to straightline now.
14381         (lower_omp_master, lower_omp_ordered): Likewise.
14382         (lower_omp_critical): Likewise.
14383         (lower_omp_for): Likewise.  Emit OMP_CONTINUE.
14384         * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14385         omp edges, free it afterward.
14386         (make_omp_sections_edges): Remove.
14387         (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14388         (move_stmt_r): Handle OMP_CONTINUE.
14389         * tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
14390         statement pointers to basic blocks.  Add type member.
14391         (root_omp_region, new_omp_region, free_omp_regions): Declare.
14392         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14393         * tree-inline.c (estimate_num_insns_1): Likewise.
14394         * tree-pretty-print.c (dump_generic_node): Likewise.
14395         * tree-ssa-operands.c (get_expr_operands): Likewise.
14396         * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14397         (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14398         (OMP_CONTINUE): New.
14399         * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14400         (OMP_SECTIONS_SECTIONS): Remove.
14401         (OMP_SECTION_LAST): New.
14402         (OMP_RETURN_NOWAIT): New.
14404 2006-04-13  Roger Sayle  <roger@eyesopen.com>
14406         * fold-const.c (native_encode_vector, native_interpret_real):
14407         Correct obvious mistakes in the previous check-in.
14409 2006-04-13  Roger Sayle  <roger@eyesopen.com>
14411         * fold-const.c (native_encode_expr): New function to encode
14412         the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14413         or VECTOR_CST into a specified buffer.
14414         (native_encode_int): New function.
14415         (native_encode_real): New function.
14416         (native_encode_complex): New function.
14417         (native_encode_vector): New function.
14418         (native_interpret_expr): Inverse of native_encode_expr to convert
14419         a target representation into an INTEGER_CST, REAL_CST etc...
14420         (native_interpret_int): New function.
14421         (native_interpret_real): New function.
14422         (native_interpret_complex): New function.
14423         (native_interpret_vector): New function.
14424         (fold_view_convert_expr): New function to constant fold/evaluate
14425         a VIEW_CONVERT_EXPR of a suitable constant expression.
14426         (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14427         Change call of build1 to fold_build1 when constructing a
14428         VIEW_CONVERT_EXPR.
14430 2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
14431             Ulrich Weigand  <uweigand@de.ibm.com>
14433         PR target/27006
14434         * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14435         to be even.
14437 2006-04-13  Alan Modra  <amodra@bigpond.net.au>
14439         PR target/26459
14440         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14441         optimize to lo_sum for DFmode if !TARGET_FPRS.
14443 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
14445         * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14446         delete_alias_info, compute_flow_sensitive_aliasing,
14447         group_aliases): Use VEC instead of VARRAY.
14448         * tree-ssa-structalias.c (update_alias_info): Likewise.
14449         * tree-ssa-structalias.h (alias_info): Change the type of
14450         processed_ptrs to VEC(tree,heap) *.
14452 2006-04-12  J"orn Rennecke <joern.rennecke@st.com>
14454         PR target/27060
14455         * config/sh/lib1funcs.h: New file, broken out of:
14456         * config/sh/lib1funcs.asm.
14457         * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14458         New macros.
14459         * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14460         * config/sh/lib1funcs-Os-4-200.asm: New file.
14461         * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14462         * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14463         (EXTRA_MULTILIB_PARTS): Include it.
14464         ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14465         ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14466         * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14467         * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14468         TARGET_SH2.
14470 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
14472         * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14473         * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14474         tpa_compact, root_var_init, type_var_init): Use VEC instead of
14475         VARRAY.
14476         * tree-ssa-live.h: Include vecprim.h.
14477         (tree_partition_associator_d): Change the type of
14478         first_partition to VEC(int,heap) *.
14479         (tpa_first_partition): Use VEC instead of VARRAY.
14481         * Makefile.in (GTFILES): Move functions.h after tree.h.
14482         * function.c (reset_block_changes, record_block_change,
14483         check_block_change, free_block_changes): Use VEC instead of
14484         VARRAY.
14485         * function.h (function): Change the type of
14486         ib_boundaries_block to VEC(tree,gc) *.
14487         * tree-inline.c (copy_cfg_body): Initialize
14488         ib_boundaries_block to NULL instead of (varray_type) 0.
14490 2006-04-12  Roger Sayle  <roger@eyesopen.com>
14492         * expr.c (emit_group_store): Correct operand order in call to
14493         subreg_lowpart_offset.  Always create paradoxical SUBREGs with
14494         a SUBREG_BYTE of zero.
14496 2006-04-12  Richard Guenther  <rguenther@suse.de>
14498         * profile.c (compute_branch_probabilities): Remove code
14499         encapsulated in !ir_type (), which are remanents of the
14500         removed RTL profiling code.
14501         * rtl-profile.c: Remove.
14503 2006-04-12  Alan Modra  <amodra@bigpond.net.au>
14505         * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14506         magic NULL_RTX comment.
14507         (function_arg): Store entire fp arg to mem if any part should go
14508         on stack.
14509         (rs6000_arg_partial_bytes): Adjust for above change.
14511 2006-04-11  Roger Sayle  <roger@eyesopen.com>
14513         * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14514         if it hasn't been initialized by dwarf2out_init.
14516 2006-04-11  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
14518         * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14519         symbolic constants in branch patterns.
14521 2006-04-11  Roger Sayle  <roger@eyesopen.com>
14523         * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14525 2006-04-11  Richard Sandiford  <richard@codesourcery.com>
14527         PR rtl-optimization/27073
14528         * gcse.c (try_replace_reg): Revert last change.  Continue to search
14529         for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14530         on the former.
14532 2006-04-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
14534         * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14535         aggregate types other than record and union types.
14536         (function_arg): Likewise.
14537         (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14538         small arrays.
14539         (function_value): In 64-bit mode, return objects that require it
14540         in FP registers.
14542 2006-04-11  Roger Sayle  <roger@eyesopen.com>
14544         * dwarf2out.c (premark_used_types): Remove problematic prototype.
14546 2006-04-11  Jakub Jelinek  <jakub@redhat.com>
14548         * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14550 2006-04-03  Jeff Law  <law@redhat.com>
14552         PR/27087
14553         * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14554         alias information too.
14556 2006-04-10  Mike Frysinger  <vapier@gentoo.org>
14558         * Makefile.in (gcc-cross): Add $(exeext) to target name.
14560 2006-04-10  Aldy Hernandez  <aldyh@redhat.com>
14562         PR/21391
14563         * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14564         (premark_used_types_helper): New.
14565         (premark_used_types): New.
14566         (gen_subprogram_die): Call premark_used_types.
14567         (prune_unused_types_walk): Do not prune perennial dies.
14568         * function.c (used_types_insert): New.
14569         * function.h (struct function): Add used_types_hash field.
14570         (used_types_insert): Add prototype.
14571         * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14572         * c-parser.c (c_parser_cast_expression): Save casted types in used
14573         types hash table.
14575 2006-04-11  Mark Mitchell  <mark@codesourcery.com>
14577         PR target/26459
14578         * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14579         rs6000_explicit_options.float_gprs.
14581 2006-04-10  Roger Sayle  <roger@eyesopen.com>
14583         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14584         from ix86_expand_vector_init_low_nonzero.  Take an additional
14585         one_var argument indicating which element is non-zero.  Support
14586         one_var != 0 for V4SFmode and V4SImode by permuting the result.
14587         (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14588         with one_var instead of ix86_expand_vector_init_low_nonzero.
14590 2006-04-10  Kazu Hirata  <kazu@codesourcery.com>
14592         * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14593         tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14594         global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14595         build/genextract.o): Depend on vecprim.h.
14596         * cfglayout.c, df-problems.c, function.c, genextract.c,
14597         global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14598         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14599         vecprim.h.
14600         * vecprim.h: New.
14602 2006-04-10  Geoffrey Keating  <geoffk@apple.com>
14604         * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14605         Declare VECs of this type.
14606         (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14607         (remove_children): Delete.
14608         (add_dwarf_attr): Use VEC routines.
14609         (add_AT_flag): Update for changes to add_dwarf_attr.
14610         (add_AT_int): Likewise.
14611         (add_AT_unsigned): Likewise.
14612         (add_AT_long_long): Likewise.
14613         (add_AT_vec): Likewise.
14614         (add_AT_string): Likewise.
14615         (add_AT_die_ref): Likewise.
14616         (add_AT_fde_ref): Likewise.
14617         (add_AT_loc): Likewise.
14618         (add_AT_loc_list): Likewise.
14619         (add_AT_addr): Likewise.
14620         (add_AT_lbl_id): Likewise.
14621         (add_AT_lineptr): Likewise.
14622         (add_AT_macptr): Likewise.
14623         (add_AT_offset): Likewise.
14624         (add_AT_range_list): Likewise.
14625         (get_AT): Use VEC_iterate.
14626         (remove_AT): Use VEC_ordered_remove.
14627         (free_die): Fold remove_children into here; have it use VEC_iterate.
14628         (print_die): Use VEC_iterate on attrs.
14629         (reverse_die_lists): Don't reverse attr lists.
14630         (die_checksum): Use VEC_iterate on attrs.
14631         (same_die_p): Likewise.
14632         (output_location_lists): Likewise.
14633         (build_abbrev_table): Likewise.
14634         (size_of_die): Likewise.
14635         (unmark_all_dies): Likewise.
14636         (output_abbrev_section): Likewise.
14637         (output_die): Likewise.
14638         (prune_unused_types_walk_attribs): Likewise.
14640 2006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
14642         * doc/install.texi (*-*-solaris2*): Point to the configure page.
14644 2006-04-10  Jakub Jelinek  <jakub@redhat.com>
14646         PR debug/27057
14647         * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14649 2006-04-09  Roger Sayle  <roger@eyesopen.com>
14651         * expr.c (store_constructor): Don't bother clearing target if
14652         we're about to assign a vector to it using vec_init_optab.
14654 2006-04-10 Daniel Berlin  <dberlin@dberlin.org>
14656         * tree-ssa-alias.c (lhs_may_store_to): New function.
14657         (recalculate_used_alone): Handle LHS of calls.
14659 2006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14661         PR target/27034
14662         PR target/26508
14663         * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14664         * pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
14665         (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
14666         (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14667         (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14668         (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14669         section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14670         stubs.  Add ".align 8" directives before all ".dword" directives.
14671         (GTHREAD_USE_WEAK): Revise comment.
14672         (TARGET_ATTRIBUTE_WEAK): Define.
14673         * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14674         dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14675         * stublib.c: New file.
14677         PR target/26743
14678         PR target/11254
14679         PR target/10274
14680         * pa.md (cbranch patterns): Revise arguments used in calls to
14681         output_cbranch, output_bb and output_bvd.  Add long branch length
14682         attributes.
14683         (fbranch patterns): Handle long branches.
14684         (jump): Revise length check.  Revise arguments for output_lbranch call.
14685         Add long branch length attributes.
14686         (decrement_and_branch_until_zero): Add long branch length attributes.
14687         (output_movb, output_parallel_addb and output_parallel_movb patterns):
14688         Likewise.  Revise arguments for output_parallel_addb and
14689         output_parallel_movb calls.
14690         * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14691         output_parallel_movb and output_parallel_addb): Update prototypes.
14692         * pa.c (output_cbranch): Revise arguments.  Correct handling of
14693         nullification in long branches.
14694         (output_lbranch): Add new argument to control extraction of delay
14695         instruction.
14696         (output_bb): Handle long branches.
14697         (output_bvb, output_dbra, output_movb, output_parallel_movb,
14698         output_parallel_addb): Likewise.
14700 2006-04-09  Richard Sandiford  <richard@codesourcery.com>
14702         PR rtl-optimization/27073
14703         * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14704         not REG_EQUIVs.
14706 2006-04-08  Daniel Berlin  <dberlin@dberlin.org>
14708         * tree.h (tree_memory_tag): Add old_used_alone.
14709         (SMT_OLD_USED_ALONE): New macro.
14710         * tree-ssa-alias.c (recalculate_used_alone): Stop
14711         marking things for renaming unnecessarily.
14713 2006-04-08  Kazu Hirata  <kazu@codesourcery.com>
14715         * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14716         config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14717         config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14718         haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14719         sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14720         tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14721         tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
14722         spelling convensions.
14723         * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14724         doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14725         typos.  Follow spelling conventions.
14727 2006-04-07  DJ Delorie  <dj@redhat.com>
14729         * config/m32c/m32c.c (m32c_function_arg): Structures are always
14730         passed on the stack.
14731         (m32c_init_cumulative_args): When a function returns a structure,
14732         always pass the pointer to that return area on the stack.
14733         (m32c_function_arg_advance): Don't increment the parameter number
14734         if we're processing the returned structure pointer.
14735         (pushm_info): Reverse order of registers.
14737 2006-04-07  Sebastian Pop  <pop@cri.ensmp.fr>
14739         * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14740         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14741         number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14742         estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14743         build_int_cst_type.
14744         * tree-chrec.c (chrec_fold_multiply_poly_poly,
14745         chrec_fold_multiply): Same.
14746         * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14747         force_expr_to_var_cost): Same.
14748         * tree-mudflap.c (mf_xform_derefs_1): Same.
14749         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14751 2006-04-07  David Edelsohn  <edelsohn@gnu.org>
14753         * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14754         treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
14755         insn.
14757 2006-04-07  Jan Hubicka  <jh@suse.cz>
14759         * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14761 2006-04-07  Richard Guenther  <rguenther@suse.de>
14763         PR tree-optimization/26135
14764         * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14765         loads for store copy-prop.
14766         (copy_prop_visit_stmt): Likewise.
14768 2006-04-05  Robert Millan  <robertmh@gnu.org>
14770         * config/i386/linux.h: Add a comment to mark macros that are
14771         being overriden in config/k*bsd-gnu.h.
14772         * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14773         DYNAMIC_LINKER.
14774         * config/knetbsd-gnu.h: Ditto.
14776 2006-04-06  Jan Hubicka  <jh@suse.cz>
14778         PR profile/20815
14779         PR profile/26399
14780         * coverage.c (coverage_checksum_string): Reorganize loop to not read
14781         after buffer.
14783 2006-04-06  Mike Stump  <mrs@apple.com>
14785         * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14786         for HAVE_nonlocal_goto to be consistent.
14787         (expand_builtin_nonlocal_goto): Likewise.
14788         (expand_builtin_strcmp): Use #ifdef instead of #if
14789         for HAVE_cmpstrnsi to be consistent.
14791 2006-04-05  DJ Delorie  <dj@redhat.com>
14793         * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14794         vs m32c.
14796 2006-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
14798         * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14799         got-relative addressing for anything but SImode.
14801         * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14802         even if the calling function doesn't modify them.
14804 2006-04-05  Richard Guenther  <rguenther@suse.de>
14806         PR tree-optimization/26919
14807         * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14808         to cgraph_estimate_size_after_inlining.
14810 2006-04-05  Alan Modra  <amodra@bigpond.net.au>
14812         * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14814 2006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>
14816         PR tree-optimization/26996
14817         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14818         VECTOR_TYPE variables.
14820 2006-04-05  Richard Guenther  <rguenther@suse.de>
14822         PR tree-optimization/26763
14823         * fold-const.c (fold_comparison): Move folding of
14824         PTR + CST CMP PTR + CST ...
14825         (fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
14827 2006-04-05  Gerald Pfeifer  <gerald@pfeifer.com>
14829         * doc/install.texi (Prerequisites): Refine some wording on
14830         bootstrapping and ksh.
14831         Move the version numbers of DejaGnu here from the testing section
14832         and fix casing of names.
14833         Fix markup and clarify wording for autogen requirements.
14834         Refer to GCJ instead of just java.
14835         Refer to SVN instead of CVS.
14836         Describe diffutils as useful instead of necessary.
14837         (Downloading the source): Refer to SVN instead of CVS.
14838         Adjust a link to our web site accordingly.
14839         (Configuration): Fix casing of Bison.
14840         (Building): Refer to SVN instead of CVS.
14841         Fix a sentence on the use of Bison and remove duplicate (and
14842         incorrect) version number of Bison requirement.
14843         Remove one redundant list of packages needed for building.
14844         (Specific): Avoid reference to CVS.
14846 2006-04-04  Eric Christopher  <echristo@apple.com>
14848         * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14849         (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14850         (rs6000_handle_struct_attribute): New.
14851         (rs6000_ms_bitfield_layout_p): Ditto.
14853 2006-04-04  Geoffrey Keating  <geoffk@apple.com>
14855         * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14856         NULL for dso parameter to atexit_common.
14858 2006-04-04  Eric Christopher  <echristo@apple.com>
14860         * config/i386/i386.c (machopic_output_stub): Output \t
14861         between instructions and operands.
14863 2006-04-04  David Edelsohn  <edelsohn@gnu.org>
14865         * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14866         satisfies_constraint_[IL] to explicit tests on value.
14868 2006-04-04  Sebastian Pop  <pop@cri.ensmp.fr>
14870         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14871         set_nb_iterations_in_loop): Use build_int_cst instead of
14872         build_int_cst_type.
14873         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14874         build_int_cst instead of convert.
14876 2006-04-04  Carlos O'Donell  <carlos@codesourcery.com>
14878         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14879         new value 2 for incoming.
14880         * function.c (expand_function_start): Call struct_value_rtx
14881         with incoming as 2.
14882         * config/sparc/sparc.md: Comment updated_return.
14883         * config/sparc/sparc.opt: Add -mstd-struct-return option.
14884         * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14885         struct return if sparc_std_struct_return and incoming is 2.
14886         (print_operand): Do not adjust return if
14887         sparc_std_struct_return.
14889 2006-04-04  Roger Sayle  <roger@eyesopen.com>
14891         * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14892         convert in the middle-end.
14893         * expr.c (store_expr, store_constructor, get_inner_reference,
14894         expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14895         Likewise.
14896         * tree.c (build_range_type): Likewise.
14898 2006-04-04  Tom Tromey  <tromey@redhat.com>
14900         * doc/install.texi (Prerequisites): Mention jar.
14902 2006-04-04  Daniel Berlin  <dberlin@dberlin.org>
14904         * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14905         subsection.
14907 2006-04-04  Matthias Klose  <doko@debian.org>
14909         * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14911         PR bootstrap/26764
14912         PR bootstrap/27334
14913         * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14914         strings.
14916 2006-04-03  Geoffrey Keating  <geoffk@apple.com>
14918         * doc/extend.texi (Function Attributes): Rewrite visibility
14919         attribute documentation.
14920         * doc/invoke.texi (C++ Dialect Options): Rewrite
14921         -fvisibility-inlines-hidden documentation to describe something
14922         entirely different, although in practise compatible.
14923         (Code Gen Options): Warn about system headers in -fvisibility=
14924         documentation.
14926         * doc/extend.texi (Other Builtins): Document that
14927         __builtin_nan is a compile-time constant only when its argument
14928         is valid.
14930 2006-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14932         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14933         trying to remove TRUNCATE check if all bits outside the new mode
14934         are identical to the sign bit.
14936 2006-04-03  Jeff Law  <law@redhat.com>
14938         * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14939         and operand scanning in some common cases.
14941 2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
14942             Dale Johannesen  <dalej@apple.com>
14944         PR target/19653
14945         * regclass.c (struct reg_pref): Update documentation.
14946         (regclass): Set prefclass to NO_REGS if memory is the best option.
14947         (record_reg_classes): Cope with a prefclass set to NO_REGS.
14948         * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14949         into account.  For non-registers, equate an empty preferred
14950         reload class to a `!' in the constraint; move the if clause to
14951         do so after those that reject the insn.
14952         (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14953         return NO_REGS.
14954         (find_dummy_reload): Likewise.
14955         * doc/tm.texi (Register Classes): Document what it means
14956         if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14957         * config/i386/i386.c (ix86_preferred_reload_class): Force
14958         using SSE registers (and return NO_REGS for floating-point
14959         constants) if math is done with SSE.
14960         (ix86_preferred_output_reload_class): New.
14961         * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14962         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14963         * config/i386/i386.md: Remove # register preferences.
14965 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14967         PR bootstrap/26992
14968         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14969         chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14970         the type of nb_iter.
14971         (instantiate_parameters_1): Convert the operands before calling
14972         chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14973         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14975 2006-04-02  Roger Sayle  <roger@eyesopen.com>
14977         * builtins.c (dummy_object): Use build_int_cst instead of convert.
14978         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14979         instead of convert.
14980         * dojump.c (do_jump): Likewise.
14981         * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14982         * gimplify.c (gimple_boolify, gimplify_init_constructor,
14983         gimplify_boolean_expr): Likewise.
14984         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14985         * varasm.c (array_size_for_constructor): Likewise.
14986         * tree-object-size.c (compute_object_offset): Likewise.
14988 2006-04-02  Roger Sayle  <roger@eyesopen.com>
14990         PR middle-end/26977
14991         * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14992         NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14994 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14996         PR tree-optimization/26939
14997         * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14999 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
15001         * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
15002         at_stmt.  Convert the type of operands before calling
15003         build_polynomial_chrec.
15004         (add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
15005         add_to_evolution_1.
15006         (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
15007         (instantiate_parameters_1): Convert the type of operands before calling
15008         build_polynomial_chrec.
15009         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
15010         chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
15011         reset_evolution_in_loop): Insert asserts to check the types of the
15012         operands.
15013         (chrec_type): Moved...
15014         (eq_evolutions_p): Use operand_equal_p.
15015         * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
15016         the types of the operands.
15017         (chrec_type): ...here.
15018         * tree-data-ref.c (create_data_ref): Convert the operands before
15019         calling chrec_replace_initial_condition.
15020         (same_access_functions, analyze_subscript_affine_affine,
15021         analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
15022         (compute_subscript_distance, analyze_ziv_subscript,
15023         analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
15024         analyze_miv_subscript): Convert the operands before calling
15025         chrec_fold_minus or chrec_fold_plus.
15027 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
15029         * tree-data-ref.c (compute_all_dependences): Use a pointer to
15030         the dependence_relations vector.
15031         (compute_data_dependences_for_loop): Adjust call to
15032         compute_all_dependences.
15034 2006-04-01  Roger Sayle  <roger@eyesopen.com>
15035             Richard Henderson  <rth@redhat.com>
15037         * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
15038         gimple_boolify on the condition before calling gimplify_expr.
15040 2006-03-31  Bob Wilson  <bob.wilson@acm.org>
15042         * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
15043         to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
15044         the frame size.  Update to use the new macros.
15045         * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
15046         * config/xtensa/ieee754-df.S: Likewise.
15048 2006-03-31  Richard Henderson  <rth@redhat.com>
15050         * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
15051         (make_edges): ... here.  Control fallthru creation with a local
15052         variable.  Do not play with fake edges.
15053         (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
15054         (make_goto_expr_edges): Don't play with fake edges.  Make for_call
15055         a boolean.
15057 2006-04-01  Joseph S. Myers  <joseph@codesourcery.com>
15059         * dwarf2.h (DW64_CIE_ID): Define.
15060         * dwarf2out.c (DWARF_CIE_ID): Define.
15061         (output_call_frame_info): Output 0xffffffff before standard 8-byte
15062         length header.  Use DWARF_CIE_ID.
15063         (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
15064         dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
15066 2006-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>
15068         * config/sh/linux-atomic.asm: New file.
15069         * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
15071 2006-03-31  DJ Delorie  <dj@redhat.com>
15073         * config/m32c/cond.md: Set condition flags properly throughout.
15074         * config/m32c/minmax.md: Likewise.
15075         * config/m32c/prologue.md: Likewise.
15076         * config/m32c/bitops.md: Likewise.
15077         * config/m32c/muldiv.md: Likewise.
15078         * config/m32c/mov.md: Likewise.
15079         * config/m32c/addsub.md: Likewise.
15080         * config/m32c/m32c.md: Likewise.
15081         * config/m32c/jump.md: Likewise.
15082         * config/m32c/shift.md: Likewise.
15084         * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
15085         conditionally output the pattern for this.
15086         * config/m32c/m32c.c (flags_needed_for_conditional): New.
15087         (m32c_compare_redundant): New.
15088         (m32c_output_compare): New.
15089         * config/m32c/m32c-protos.h (m32c_output_compare): New.
15091         * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
15092         dest, not src.  Allow other 4-byte modes.
15094 2006-03-30  Denis Chertykov  <denisc@overta.ru>
15096         * doc/md.texi: Refer to avr/constraints.md instead of
15097         avr/avr.h.
15099 2006-03-30  Roger Sayle  <roger@eyesopen.com>
15101         * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
15102         signed vs. unsigned comparison failures on some hosts.
15104 2006-03-31  Alan Modra  <amodra@bigpond.net.au>
15106         PR target/26459
15107         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
15108         change to FLOAT_REGS.
15110         * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
15111         (rs6000_override_options): Use it.
15112         (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
15113         only for -mabi=spe/no-spe and -mabi=altivec.
15115 2006-03-30  Geoffrey Keating  <geoffk@apple.com>
15117         * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
15118         !Zdynamiclib.
15120 2006-03-30  Carlos O'Donell  <carlos@codesourcery.com>
15122         * Makefile.in: Rename docdir to gcc_docdir.
15124 2006-03-30  Roger Sayle  <roger@eyesopen.com>
15126         PR target/17959
15127         * expr.c (emit_group_store): Optimize group stores into a pseudo
15128         register by using a paradoxical subreg to initialize the destination
15129         if the first or last member of the group specifies a "low part".
15131 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15133         PR target/26734
15134         * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
15135         * target.h (struct gcc_target.speculate_insn): Change type of the
15136         second parameter to 'int'.
15137         * lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
15138         the second operand of the DEPS_LIST.
15139         (copy_DEPS_LIST_list): Update reference to the second operand of the
15140         DEPS_LIST.
15141         * rtl.h (alloc_DEPS_LIST): Update signature.
15142         * sched-int.h (ds_t): Change typedef to 'int'.
15143         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15145 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15147         * haifa-sched.c (try_ready): Change condition to restore
15148         non-speculative pattern of the instruction.
15149         (process_insn_depend_be_in_spec): Code to keep probability of the
15150         speculative dependence non-decreasing.
15152 2006-03-30  Jie Zhang  <jie.zhang@analog.com>
15154         * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
15155         (single_move_for_movmem): ... this. Also change all uses.
15156         (bfin_expand_strmov): Renamed to...
15157         (bfin_expand_movmem): ... this. Also change all uses.
15158         * config/bfin/bfin.md (movstrsi): Renamed to...
15159         (movstrsi): ...this.
15161 2006-03-30  Paolo Bonzini  <bonzini@gnu.org>
15163         PR tree-optimization/26830
15165         * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
15166         (copy_prop_visit_stmt): Remove write-only variable ann.
15167         (init_copy_prop): Check variable loop depth here.  Do not simulate
15168         memory-tag and virtual operand PHIs except for store copy prop.
15170 2006-03-30  Richard Guenther  <rguenther@suse.de>
15172         * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
15173         variants with double arguments.
15175 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
15177         * genpreds.c (write_tm_constrs_h): Delete variable p.
15178         * genconditions.c (write_header): Add tm-constrs.h to included
15179         headers.
15180         * genpeep.c (main): Add toplev.h to included headers.
15181         * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
15182         (build/genpeep.o): Add toplev.h dependency.
15183         * config/rs6000/constraints.md: Add "W" constraint.
15185 2006-03-29  Roger Sayle  <roger@eyesopen.com>
15187         * stor-layout.c (mode_for_size_tree): Remove restiction on type
15188         sizes by correctly testing whether the size fits a host integer.
15189         (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
15190         to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
15191         SImode range for the default sizetype and bitsizetype.
15193 2006-03-29  Roger Sayle  <roger@eyesopen.com>
15195         * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
15196         and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
15197         quickly if the argument is already of the correct type.
15198         Call fold_build1 instead of build1.  Tidy up blank lines.
15200 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
15202         * genemit.c (main): Add tm-constrs.h to included headers.
15203         * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
15204         * genpeep.c (main): Add tm-constrs.h to included headers.
15205         * genpreds.c (write_satisfies_constraint_fns): Rename to ...
15206         (write_tm_constrs_h): this and write complete file.
15207         (write_tm_preds_h): Do not emit satisfies_constraint fns.
15208         (write_insn_preds_c): Add tm-constrs.h to included headers.
15209         (gen_constrs): New variable.
15210         (parse_option): Parse "-c".
15211         (main): Invoke write_tm_constrs_h.
15212         * genrecog.c (write_header): Add tm-constrs.h to included headers.
15213         * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
15214         (object_out_file): Add tm-constrs.h dependency.
15215         (insn-emit.o): Same.
15216         (insn-output.o): Same.
15217         (insn-peep.o): Same.
15218         (insn-preds.o): Same.
15219         (insn-recog.o): Same.
15220         (tm-constsr.h): New target.
15221         (s-constrs-h): New target.
15223         * config/rs6000/constraints.md: New file.
15224         * config/rs6000/rs6000.c: Include tm-constrs.h.
15225         (num_insn_constant_wide): Convert to satisfies_constraint.
15226         (rs6000_rtx_costs): Convert to satisfies_constraint.
15227         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
15228         (CONST_OK_FOR_LETTER_P): Delete.
15229         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15230         (EXTRA_CONSTRAINT): Delete.
15231         (EXTRA_MEMORY_CONSTRAINT): Delete.
15232         (EXTRA_ADDRESS_CONSTRAINT): Delete.
15233         * config/rs6000/predicates.md: Convert to satisfies_constraint.
15234         * config/rs6000/rs6000.md: Include constraints.md.  Convert to
15235         satisfies_constraint.
15237         * config/i386/i386.c: Include tm-constrs.h.
15239 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
15241         * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
15242         * tree-data-ref.c (find_data_references_in_loop,
15243         compute_data_dependences_for_loop): Use pointers to VEC.
15244         (analyze_all_data_dependences): Adjust calls.
15245         * tree-data-ref.h (find_data_references_in_loop,
15246         compute_data_dependences_for_loop): Adjust declarations.
15247         * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
15248         compute_data_dependences_for_loop.
15250 2006-03-29  Paul Brook  <paul@codesourcery.com>
15252         * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
15253         (movdf_vfp): Ditto.
15255 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
15257         PR tree-optimization/26859
15258         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
15259         division by zero.
15260         (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
15261         for the step after fold_convert.
15263 2006-03-29  Paul Brook  <paul@codesourcery.com>
15265         * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
15266         (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
15268 2006-03-29  Paul Brook  <paul@codesourcery.com>
15270         PR middle-end/23623
15271         * targhooks.c (default_narrow_bitfield): New fuction.
15272         * targhooks.h (default_narrow_bitfield): add prototype.
15273         * target.h (gcc_target): Add narrow_volatile_bitfield.
15274         * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15275         * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
15276         * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
15277         * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15279 2006-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
15281         * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
15282         tmake_file.
15283         * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
15284         (NR_C_MODES): Add TDmode, DDmode and SDmode.
15285         (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15286         (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15287         (s390_function_arg_float): Allow SDmode and DDmode values to be
15288         passed in floating point registers.
15289         (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15290         check with SCALAR_FLOAT_MODE_P.
15291         (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15293 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
15295         PR tree-optimization/25985
15296         * tree-ssa-loop-niter.c (number_of_iterations_le,
15297         number_of_iterations_ne): Make comments more precise.
15298         (number_of_iterations_cond): Add only_exit argument.  Use the
15299         fact that signed variables do not overflow only when only_exit
15300         is true.
15301         (loop_only_exit_p): New.
15302         (number_of_iterations_exit): Pass result of loop_only_exit_p to
15303         number_of_iterations_cond.
15305 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
15307         PR tree-optimization/26643
15308         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15309         bit_field_refs.
15311 2006-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
15313         * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15314         (divsi3_i4_int): Likewise.
15316 2006-03-28  Roger Sayle  <roger@eyesopen.com>
15318         * expr.c (emit_group_store): Only create a new pseudo reg if the
15319         quantity it needs to hold isn't already a suitable pseudo.
15321 2006-03-28  Jeff Law  <law@redhat.com>
15323         * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15324         * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15326 2006-03-28  Roger Sayle  <roger@eyesopen.com>
15328         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15329         the equivalent ~X & Y, and the symmetry related transformations.
15330         (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15331         ~X & Y, and symmetry related transforms.
15333 2006-03-28  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15335         Revert my 2006-03-27 patches.
15337 2006-03-28  Roger Sayle  <roger@eyesopen.com>
15339         * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15340         ~(T1)X, when T1 and T2 are integer types of the same precision
15341         and (T2)X isn't an extension.
15343 2006-03-28  Jeff Law  <law@redhat.com>
15345         PR tree-optimization/26796
15346         * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15347         need EH edge cleanups rather than purging them immediately.
15348         (eliminate_degenerate_phis): Handle queued EH cleanups.
15350 2006-03-28  Daniel Berlin  <dberlin@dberlin.org>
15352         * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15353         from parent_var.
15355 2006-03-27  Roger Sayle  <roger@eyesopen.com>
15357         PR middle-end/22524
15358         * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15359         cast BIT_NOT_EXPR operand to the correct type.
15361 2006-03-27  Sebastian Pop  <pop@cri.ensmp.fr>
15363         * tree-loop-linear.c: Don't include varray.h.
15364         (gather_interchange_stats, try_interchange_loops,
15365         linear_transform_loops): Use VEC instead of VARRAY.
15366         * lambda-mat.c: Don't include varray.h.
15367         * tree-chrec.c: Same.
15368         * lambda-trans.c: Same.
15369         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15370         VEC instead of VARRAY.
15371         * tree-vectorizer.h: Idem.
15372         * tree-data-ref.c (dump_data_references,
15373         dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15374         initialize_data_dependence_relation, finalize_ddr_dependent,
15375         compute_all_dependences, find_data_references_in_loop,
15376         compute_data_dependences_for_loop, analyze_all_data_dependences,
15377         free_dependence_relation, free_dependence_relations,
15378         free_data_refs): Idem.
15379         * tree-data-ref.h (data_reference_p, subscript_p): New.
15380         (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15381         VEC instead of VARRAY.
15382         (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15383         (find_data_references_in_loop, compute_data_dependences_for_loop,
15384         dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15385         dump_data_dependence_relations, free_dependence_relations,
15386         free_data_refs): Adjust declaration.
15387         (lambda_transform_legal_p): Move declaration here...
15388         * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15389         vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15390         vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15391         vect_analyze_data_refs): Use VEC instead of VARRAY.
15392         * lambda.h (lambda_transform_legal_p): ...from here.
15393         * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15394         * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15395         * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15396         tree-chrec.o): Don't depend on VARRAY_H.
15398 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15400         * rtl.def (Copyright): Update date.
15401         (DEPS_LIST): Change type of the second operand to 'int'.
15402         * target.h (Copyright): Update date.
15403         (struct gcc_target.speculate_insn): Change type of the second parameter
15404         to 'int'.
15405         * lists.c (Copyright): Update date.
15406         (alloc_DEPS_LIST): Change signature.  Update reference to the second
15407         operand of the DEPS_LIST.
15408         (copy_DEPS_LIST_list): Update reference to the second operand of the
15409         DEPS_LIST.
15410         * rtl.h (Copyright): Update date.
15411         (alloc_DEPS_LIST): Update signature.
15412         * sched-int.h (Copyright): Update date.
15413         (ds_t): Change typedef to 'int'.
15414         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15416 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15418         * haifa-sched.c (Copyright): Update date.
15419         (try_ready): Change condition to restore non-speculative pattern
15420         of the instruction.
15421         (process_insn_depend_be_in_spec): Code to keep probability of the
15422         speculative dependence non-decreasing.
15424 2006-03-27  Bernd Schmidt  <bernd.schmidt@analog.com>
15426         * regrename.c (replace_oldest_value_addr): Initialize a variable to
15427         shut up the compiler.
15429 2006-03-27  J"orn Rennecke <joern.rennecke@st.com>
15431         * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15432         to use lib prefix for target.
15433         ($(T)libic_invalidate_array_4-200.a): Likewise.
15434         ($(T)libic_invalidate_array_4a.a): Likewise.
15436 2006-03-27  Andrew Stubbs <andrew.stubbs@st.com>
15437             J"orn Rennecke <joern.rennecke@st.com>
15439         * superh.opt: New file.
15440         * sh.c (boardtype, osruntime): Remove.
15441         * superh.h (SUBTARGET_OPTIONS): Remove.
15442         * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15444         * config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
15445         arguments with ^ and/or [].
15447         * config.gcc (sh-*-*): Add quoting to account for quirk of
15448         Solaris /bin/sh.
15449         Replace == with = in enable_incomplete_targets test.
15451         * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15452         with MASK_LITTLE_ENDIAN.
15454         * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15455         * config/sh/sh.opt: Added to some comments.
15456         * config/sh/superh.h: Removed some chaff.
15458         * config/sh/sh.opt: Add m4-[1234]00* options.
15459         * config/sh/sh.c (sh_handle_option): Likewise.
15460         * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15461         (ic_invalidate_array_4-100.o): New rule.
15462         ($(T)libic_invalidate_array_4-100.a): Likewise.
15463         (ic_invalidate_array_4-200.o): Likewise.
15464         ($(T)libic_invalidate_array_4-200.a): Likewise.
15465         (ic_invalidate_array_4a.o): Likewise.
15466         ($(T)libic_invalidate_array_4a.a): Likewise.
15467         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15468         * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15469         m4-200*, and m4a*.
15470         * config/sh/crt1.asm: Merged in profiling code.
15471         * config/sh/superh.h (STARTFILE_SPEC): Override.
15472         * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15473         Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15474         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15476         * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15477         * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15478         MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15480         * sh.opt (mpretend-cmove): New option.
15481         * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15482         * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15483         (movsicc): Add TARGET_PRETEND_CMOVE code.
15485 2006-03-27  Andreas Krebbel  <krebbel1@de.ibm.com>
15487         * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15488         s390_class_max_nregs): New function prototypes.
15489         * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15490         (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15491         * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15492         CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15494 2006-03-26  Geoffrey Keating  <geoffk@apple.com>
15496         * dwarf2out.c (add_location_or_const_value_attribute): Call
15497         tree_add_const_value_attribute if nothing else works.
15498         (reference_to_unused): New.
15499         (rtl_for_decl_init): Use reference_to_unused to decide whether
15500         to output an initializer.
15502 2006-03-27  Alan Modra  <amodra@bigpond.net.au>
15504         PR target/26459
15505         * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15506         peephole removing spe frob_di_df_2.
15508 2006-03-26  Sebastian Pop  <pop@cri.ensmp.fr>
15510         * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15511         (subscript_dependence_tester_1): Declared.
15512         (print_dir_vectors, print_dist_vectors): New.
15513         (debug_data_dependence_relation): New.
15514         (dump_data_dependence_relation): Print more details.
15515         (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15516         (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15517         (save_dist_v, save_dir_v, add_outer_distances,
15518         build_classic_dist_vector_1): New.
15519         (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15520         Don't test for lambda_vector_lexico_pos.
15521         (same_access_functions, add_multivariate_self_dist,
15522         add_other_self_distances, dir_from_dist): New.
15523         (build_classic_dir_vector): Replace implementation almost identical to
15524         build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15525         dir_from_dist.
15526         (subscript_dependence_tester_1): New.
15527         (subscript_dependence_tester): Handle the lexicographically negative
15528         distance vectors by recomputing the dependence relation.
15529         (compute_affine_dependence): Remove parameter loop_nest_depth.
15530         (compute_self_dependence): Don't call compute_subscript_distance.
15531         (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15532         Add a parameter for the loop_nest.
15533         (find_loop_nest_1, find_loop_nest): New.
15534         (compute_data_dependences_for_loop): Compute the loop nest, and give
15535         up if the nest is not well formed.
15536         * tree-data-ref.h (loop_p): New.
15537         (struct data_dependence_relation): Replace size_vect field with
15538         loop_nest, a vec of loops.
15539         (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15540         (DDR_LOOP_NEST): New.
15541         (print_dir_vectors, print_dist_vectors,
15542         debug_data_dependence_relation): Declared.
15543         (index_in_loop_nest): New.
15544         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15545         DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15546         distance.
15548 2006-03-25  Adam Nemet  <anemet@caviumnetworks.com>
15550         * simplify-rtx.c (simplify_relational_operation): Call
15551         simplify_relational_operation_1 even if mode is VOIDmode.
15553 2006-03-25  Daniel Berlin  <dberlin@dberlin.org>
15555         PR tree-optimization/26804
15556         * tree.h (DECL_CALL_CLOBBERED): New macro.
15557         (tree_decl_common): Add call_clobbered_flag.
15558         * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15559         (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15560         (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15561         (mark_non_addressable): Ditto.
15562         * tree-ssa.c (verify_call_clobbered): New function.
15563         (verify_alias_info): Use it.
15564         * tree-pass.h (pass_reset_cc_flags): New prototype.
15565         * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15566         (reset_cc_flags): New function.
15567         * passes.c (init_optimization_passes): Call reset_cc_flags after
15568         initializing referenced_vars.
15570 2006-03-25  Uros Bizjak  <uros@kss-loka.si>
15571             Roger Sayle  <roger@eyesopen.com>
15573         PR middle-end/26717
15574         * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15575         to 1.0 for non-real operands. Implement A / A optimization for
15576         complex operands.
15578 2006-03-25  H.J. Lu  <hongjiu.lu@intel.com>
15580         * config/i386/i386.c (size_cost): Correct the comment for
15581         cost of storing fp registers.
15582         (i386_cost): Likewise.
15583         (i486_cost): Likewise.
15584         (pentium_cost): Likewise.
15585         (pentiumpro_cost): Likewise.
15586         (k6_cost): Likewise.
15587         (athlon_cost): Likewise.
15588         (k8_cost): Likewise.
15589         (pentium4_cost): Likewise.
15590         (nocona_cost): Likewise.
15591         (generic64_cost): Likewise.
15592         (generic32_cost): Likewise.
15594 2006-03-24  Denis Chertykov  <denisc@overta.ru>
15596         * config/avr/avr-protos.h (extra_constraint): Delete.
15597         (extra_constraint_Q): New declaration.
15598         * config/avr/constraints.md: New file.
15599         * config/avr/avr.md: Include it.
15600         (REG_X, REG_Y, REG_Z, REG_W): New constants.
15601         (TMP_REGNO, ZERO_REGNO): Likewise.
15602         (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15603         * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15604         (extra_constraint): Delete.
15605         (extra_constraint_Q): Test for memory constraint 'Q'.
15606         * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15607         (REG_CLASS_FROM_LETTER): Delete.
15608         (CONST_OK_FOR_LETTER_P): Delete.
15609         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15610         (EXTRA_CONSTRAINT): Delete.
15611         (TMP_REGNO): Delete.
15612         (ZERO_REGNO): Delete.
15614 2006-03-24  Jeff Law  <law@redhat.com>
15616         * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15617         directly.  Call mark_new_vars_to_rename slightly earlier.
15619 2006-03-24  Geoffrey Keating  <geoffk@apple.com>
15621         * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15622         (is_cxx): Likewise.
15623         (gen_compile_unit_die): Use new language types for Objective-C and
15624         Objective-C++.
15625         (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15626         DW_LANG_C_plus_plus.
15628         PR 26793
15629         * config/t-darwin (crt3.o): Work around bug 26840.
15630         * config/darwin-crt3.c: Rewrite.
15631         * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15633 2006-03-24  Carlos O'Donell  <carlos@codesourcery.com>
15635         * doc/invoke.texi: Document -femit-class-debug-always
15636         * common.opt: Add -femit-class-debug-always.
15638 2006-03-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15640         * config/s390/s390.c (s390_decompose_address): Allow SImode for
15641         index and base register.
15642         (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15643         print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15644         with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15645         REGNO_OK_FOR_INDEX_P.
15646         * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15647         ADDR_REGNO_P.
15648         (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15649         REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15650         REG_OK_FOR_BASE_P): Definitions removed.
15652 2006-03-24  Jakub Jelinek  <jakub@redhat.com>
15654         PR middle-end/26611
15655         * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15656         non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15657         set yet or weren't marked as local yet.
15659 2006-03-24  Bernd Schmidt  <bernd.schmidt@analog.com>
15661         * regrename.c (scan_rtx_address): Initialize a variable to shut up
15662         the compiler.
15664 2006-03-24  Eric Botcazou  <ebotcazou@adacore.com>
15666         * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15667         (rs6000_legitimate_small_data_p): Delete.
15668         * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15669         (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15670         and make static.  Add forward declaration.  Update uses.
15671         (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15672         of offsettable_memref_p.
15673         * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15674         Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15676 2006-03-24  Jeff Law  <law@redhat.com>
15678         * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15679         around bug in immediate-use iterator.
15681 2006-03-24  Alan Modra  <amodra@bigpond.net.au>
15683         PR target/26607
15684         * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15685         or __LITTLE_ENDIAN__.
15687 2006-03-23  J"orn Rennecke <joern.rennecke@st.com>
15689         * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15690         * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15691         * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15692         * config/sh/sh.opt (mdiv=): Amend description.
15693         * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15694         (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15695         (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15696         SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15697         (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15698         Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15699         * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15700         (udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
15701         TARGET_DIVIDE_CALL_FP.
15703 2006-03-23  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15705         * haifa-sched.c (choose_ready): Fix type of the local variable.
15706         Move local variables.  Add comment.
15707         (check_reg_live): Change signature.  Make callable from debugger.
15708         * sched-int.h (check_reg_live): Update signature.
15709         * sched-ebb.c (check_reg_live): Update parameters.
15710         * sched-rgn.c (check_reg_live): Ditto.
15711         (region_head_or_leaf_p): Check pointer before dereferencing.
15712         * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15713         before reload on optimization levels below 1.
15715 2006-03-23  Richard Henderson  <rth@redhat.com>
15717         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15718         tls symbols.
15720         PR target/26347
15721         * config/alpha/predicates.md (local_symbolic_operand): Reject
15722         weak symbols.
15724 2006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
15726         PR tree-opt/26795
15727         * tree-ssa-pre.c (create_value_expr_from): Don't reject
15728         expressions which have overflowed constants.
15730 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
15732         * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15734 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
15736         * cfgloopmanip.c (create_loop_notes): Removed.
15737         * final.c (final_scan_insn): Do not handle loop notes.
15738         * jump.c (squeeze_notes): Ditto.
15739         * cfglayout.c (skip_insns_after_block,
15740         duplicate_insn_chain): Ditto.
15741         * cfgcleanup.c (rest_of_handle_jump2): Do not call
15742         create_loop_notes.
15743         * cfgloop.h (create_loop_notes): Declaration removed.
15745 2006-03-23  Richard Sandiford  <richard@codesourcery.com>
15747         * varasm.c (output_constant_pool): Restore fnname and fndecl
15748         arguments.
15749         (assemble_start_function): Adjust call accordingly.
15750         (assemble_end_function): Likewise.
15752 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15754         PR mudflap/26789
15755         * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15757         PR mudflap/26790
15758         * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15760 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15762         PR driver/22600
15763         * system.h (ICE_EXIT_CODE): New macro.
15764         * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15765         (diagnostic_action_after_output): Likewise.
15766         * gcc.c (fatal_ice): New function.
15767         (execute): Use it instead of fatal.
15768         (fancy_abort): Likewise.
15769         * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15771 2006-03-22  Jeff Law  <law@redhat.com>
15773         * loop-unroll.c (analyze_iv_to_split_insn): Handle
15774         iv_analyze_result returning false.
15776 2006-03-22  Jie Zhang  <jie.zhang@analog.com>
15778         * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15780 2006-03-22  Richard Henderson  <rth@redhat.com>
15782         PR middle-end/26084
15783         * except.c (duplicate_eh_regions_0): New.
15784         (duplicate_eh_region_1): Duplicate the children of the node as
15785         well as the node itself.  Link them up properly.
15786         (duplicate_eh_region_2): Merge into ...
15787         (duplicate_eh_regions): ... here.  Take copy_region argument, and
15788         copy only a sub-tree if asked.  Simplify copying and fixup.
15789         (eh_region_outer_p): New.
15790         * except.h (duplicate_eh_regions): Update decl.
15791         (eh_region_outer_p): Declare.
15792         * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15793         (lower_omp_master): Likewise.
15794         (lower_omp_ordered): Likewise.
15795         * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15796         (move_stmt_r): Use it to remap labels.  Handle recursion vs
15797         remap_decls_p properly.
15798         (move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
15799         (find_outermost_region_in_block): New.
15800         (new_label_mapper): New.
15801         (move_sese_region_to_fn): Copy eh information to the new function
15802         properly.
15803         * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15804         argument.
15805         * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15806         number.
15808 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
15810         * doc/md.texi (-mshared): Mention that -mshared code can be linked
15811         into shared libraries.
15813 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
15815         * doc/md.texi: Refer to i386/constraints.md instead of
15816         i386/predicates.md.
15817         * config/i386/constraints.md: New file, extracted from...
15818         * config/i386/predicates.md: ...here.
15819         * config/i386/i386.md: Include constraints.md.
15821 2006-03-21  Jason Merrill  <jason@redhat.com>
15823         * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15825         PR middle-end/20297
15826         * expr.c (init_block_move_fn): Force default visibility.
15827         (init_block_clear_fn): Likewise.
15828         * builtins.c (expand_builtin_fork_or_exec): Likewise.
15829         * targhooks.c (default_external_stack_protect_fail): Likewise.
15831 2006-03-21  Richard Sandiford  <richard@codesourcery.com>
15833         * config/mips/predicates.md (const_call_insn_operand): Allow direct
15834         calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15835         * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15836         Use TARGET_OLDABI instead of !TARGET_NEWABI.
15837         (loadgp): Use mips_current_loadgp_style.
15838         (loadgp_noshared): New pattern.
15839         (sibcall_internal): Use MIPS_CALL.
15840         (sibcall_value_internal): Likewise.
15841         (sibcall_value_multiple_internal): Likewise.
15842         (call_internal): Likewise.
15843         (call_value_internal): Likewise.
15844         (call_value_multiple_internal): Likewise.
15845         (call_split): Use MIPS_CALL and add an 'S' constraint.
15846         (call_value_split): Likewise.
15847         (call_value_multiple_split): Likewise.
15848         * config/mips/mips.opt (-mabicalls): Tweak docstring.
15849         (-mshared): New option.
15850         * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15851         (mips_current_loadgp_style): Declare.
15852         * config/mips/mips.c (mips_classify_symbol): Avoid using
15853         SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
15854         rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15855         TARGET_ABSOLUTE_ABICALLS.
15856         (override_options): Adjust comments.  Improve the warning that is
15857         issued when -mabicalls and -G are used together.
15858         (mips_file_start): Remove comment.
15859         (mips_current_loadgp_style): New function.
15860         (mips_gnu_local_gp): New variable.
15861         (mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
15862         LOADGP_ABSOLUTE.
15863         (mips_output_function_prologue): Use mips_current_laodgp_style.
15864         (mips_expand_prologue): Call mips_emit_loadgp before emitting
15865         the cprestore instruction.
15866         (mips_extra_live_on_entry): Fix reversed test.  Don't make $25
15867         live for TARGET_ABSOLUTE_ABICALLS.
15868         * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15869         (ASM_SPEC): Pass down -mshared and -mno-shared.
15870         (MIPS_CALL): New macro.
15871         * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15872         definition.
15873         * doc/invoke.texi (-mabicalls): Update documentation.
15874         (-mshared): Document.
15876 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
15878         * config/ia64/unwind-hpux.c: New file.
15879         * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15881 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
15883         PR libgomp/26384
15884         * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15886 2006-03-21  Jeff Law  <law@redhat.com>
15888         * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15889         type conversions of a VR_VARYING source to a wider type.
15891 2006-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
15893         * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15894         tm_file on Solaris 10 and later.
15895         (sparc64-*-solaris2*): Likewise.
15896         (sparc-*-solaris2*): Likewise.
15897         * config/sol26.h: Rename to config/sol2-6.h.
15898         * config/sol2-10.h: New file.
15900 2006-03-21  Andrew Pinski  <pinskia@physics.uc.edu>
15902         PR tree-opt/26781
15903         * tree-ssa-pre.c (create_component_ref_by_pieces):
15904         Handle STRING_CST.
15906 2006-03-21  Jakub Jelinek  <jakub@redhat.com>
15908         PR c++/26690
15909         * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15910         return it immediately.
15912 2006-03-21  Michael Matz  <matz@suse.de>
15914         * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15915         New members.
15916         (remove_arc, add_arc): Update num_out_arcs member.
15917         (set_out_arc_insns_equiv_num): Returns nothing instead of number
15918         of out arcs.
15919         (cache_presence): New function.
15920         (compare_states_for_equiv): New function.
15921         (state_is_differed): Don't take number of outargs, adjust callers.
15922         Use new invariant for speeding up.
15923         (init_equiv_class): Create initial classes based on sorted
15924         input.
15925         (partition_equiv_class): Don't track out_arcs_num.
15926         (evaluate_equiv_classes): Call cache_presence on all states and
15927         sort them.
15929 2006-03-21  Bernd Schmidt  <bernd.schmidt@analog.com>
15931         * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15932         * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15933         (bfin_valid_reg_p): Test for pseudos explicitly and use only
15934         REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
15935         callers changed.
15936         * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15937         (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15938         (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15939         (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15940         REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15941         macros.
15942         (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15943         REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15944         (REGNO_REG_CLASS): ARGP is in PREGS.
15945         * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15946         IREGS.
15947         (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15948         to deal with those addresses.
15949         * addresses.h: New file.
15950         * caller-save.c: Include "addresses.h".
15951         (init_caller_save): Use new base_reg_class function.
15952         * rtl-factoring.c: Include "addresses.h".
15953         (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15954         * recog.c: Include "addresses.h".
15955         (preprocess_constraints): Use new base_reg_class function.
15956         * regrename.c: Include "addresses.h".
15957         (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15958         functions.  Keep track of a new var INDEX_CODE to compute valid
15959         classes.
15960         (replace_oldest_value_addr): Likewise.
15961         (replace_oldest_value_mem): Use base_reg_class.
15962         * reload.c: Include "addresses.h".
15963         (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15964         (find_reloads): Use new base_reg_class function.
15965         (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15966         (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15967         all callers and prototype changed.
15968         * reload1.c: Include "addresses.h".
15969         (maybe_fix_stack_asms): Use base_reg_class.
15970         * regclass.c: Include "addresses.h".
15971         (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15972         (init_reg_autoinc): Use new base_reg_class function.
15973         (record_reg_classes): Likewise.
15974         (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15975         OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
15976         Use new args to compute necessary class.
15978         * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15979         regrename.o, rtl-factoring.o): Update dependencies.
15980         * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15981         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15982         (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15983         REG_OK_FOR_INDEX_P): Delete documentation.
15985 2006-03-21  Alexey Starovoytov  <alexey.starovoytov@sun.com>
15987         * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15988         from V7 to V9 for Solaris 7 and above.
15990 2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>
15992         * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15993         * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15994         argument pointers may not alias any other storage.
15995         * common.opt: Define option -fargument-noalias-anything.
15996         * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15997         alias semantics is specified by flag_argument_noalias > 2.
15999 2006-03-20  Jeff Law  <law@redhat.com>
16001         * tree-pass.h (pass_phi_only_copy_prop): Delete.
16002         (pass_phi_only_cprop): Declare.
16003         * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
16004         with phi_only_cprop
16005         * tree-ssa-dom.c (degenerate_phi_result): New function.
16006         (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
16007         (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
16008         (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
16009         (eliminate_degenerate_phis): Likewise.
16010         (pass_phi_only_cprop): New pass descriptor.
16011         * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
16012         support code.  Callers updated.
16013         (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
16014         (store_copy_prop): Likewise.
16015         (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
16017 2006-03-20  Jason Merrill  <jason@redhat.com>
16019         PR c++/21764
16020         * c-pragma.c (visstack): Move out of handle_pragma_visibility.
16021         (push_visibility, pop_visibility): Likewise.
16022         * c-pragma.h: Declare them.
16024 2006-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16026         * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
16028         * config/sh/sh.c (find_regmode_weight): Change the type of the first
16029         parameter and use get_ebb_head_tail.
16030         (sh_md_init_global): Adjust uses of find_regmode_weight.
16032 2006-03-20  Steven Bosscher  <stevenb.gcc@gmail.com>
16034         * function.h (struct function) <x_tail_recursion_reentry>:
16035         Rename to x_stack_check_probe_note.
16036         (tail_recursion_reentry): Rename to stack_check_probe_note.
16037         * function.c: Replace tail_recursion_reentry with
16038         stack_check_probe_note everywhere.
16039         (expand_function_start): Only emit a note for
16040         stack_check_probe_note with -fstack-protect.
16041         * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
16043         * emit-rtl.c (remove_unnecessary_notes): Remove.
16044         (pass_remove_unnecessary_notes): Remove.
16045         * rtl.h (remove_unnecessary_notes): Remove prototype.
16046         * final.c (final_start_function): Don't call remove_unnecessary_notes.
16047         * tree-pass.h (pass_remove_unnecessary_notes): Remove.
16048         * passes.c (pass_remove_unnecessary_notes): Don't run it.
16050 2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>
16052         PR tree-opt/26629
16053         * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
16054         (valid_in_set): Handle ARRAY_REF.
16055         Change "if min_variant or VH" to asserts.
16056         (create_component_ref_by_pieces): Handle ARRAY_REF.
16057         (create_expression_by_pieces): Likewise.
16058         (can_PRE_operation): ARRAY_REFs can now be PRE'd.
16060 2006-03-20  David Edelsohn  <edelsohn@gnu.org>
16062         * genpreds.c (write_insn_extra_address_constraint): Argument `c'
16063         is operand of switch, not str[0].
16065 2006-03-20  Alan Modra  <amodra@bigpond.net.au>
16067         * config/rs6000/rs6000.c (rs6000_handle_option): Use
16068         TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
16070 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
16072         * genpreds.c (write_tm_preds_h): Add semicolon and newline at
16073         end of insn_extra_address_constraint declaration.
16075 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
16077         * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
16078         (no-sum-in-toc): Same.
16079         * config/rs6000/rs6000.c (rs6000_handle_option): Use new
16080         variables.
16081         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
16082         NO_FP_IN_TOC for -fPIC instead of mask.
16084         * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
16085         (BOOT_LDFLAGS): Delete.
16086         (LDFLAGS): Delete.
16087         * config/rs6000/t-aix52: Same.
16089         * config/rs6000/rs6000.md (store_multiple_power): Delete.
16090         (stmsi[345678]_power): New.
16092 2006-03-17  Steve Ellcey  <sje@cup.hp.com>
16094         * config/ia64/ia64.opt: Add empty line to end of file.
16096 2006-03-17  Richard Guenther  <rguenther@suse.de>
16098         PR middle-end/26721
16099         * builtins.c (get_pointer_alignment): For component style references
16100         adjust alignment to the component type alignment.  Make sure
16101         to adjust alignment for component access of constants.
16103 2006-03-17  David Edelsohn  <edelsohn@gnu.org>
16105         * config/rs6000/rs6000.md (strlensi): Emit barrier after
16106         unconditional jump.
16108 2006-03-17  Paul Brook  <paul@codesourcery.com>
16110         * doc/install.texi: Docuemnt --with-mode.
16111         * config.gcc: Add --with-mode for arm*-*-*.
16112         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
16114 2006-03-17  J"orn Rennecke <joern.rennecke@st.com>
16116         * sh.c (max_labelno_before_reorg): New variable.
16117         (sh_reorg): Initialize it.
16118         (find_barrier): Check max_labelno_before_reorg before using
16119         label_to_alignment.  Take length of explicit alignment insns
16120         into account.  When seeing a UNSPECV_CONST_END, return it.
16122         * sh.c (fixup_mova): Set mode of affected label to QImode.
16123         (untangle_mova): New function.
16124         (find_barrier): Use it.  Check mode of label before decrementing
16125         num_mova.
16126         (sh_reorg): Likewise.
16127         Set mode of all insns back to VOIDmode.
16129         * sh.c (MOVA_LABELREF): New macro.
16130         (mova_p, fixup_mova, sh_reorg): Use it.
16131         (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
16132         ADDR_DIFF_VEC matches mova.
16134 2006-03-17  Steven Bosscher  <stevenb.gcc@gmail.com>
16136         * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
16137         with ATTRIBUTE_UNUSED.
16139 2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
16141         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
16142         pointer, instead of assuming it is possible to derive the
16143         correct args size from a call insn.
16145 2006-03-16  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16147         * rtl.h (CONST_INT_P): Define.
16148         * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
16149         instead of GET_CODE(x) == CONST_INT.
16150         (vax_rtx_costs): Likewise.
16151         (vax_output_int_move): Likewise.
16152         (vax_output_int_add): Likewise.
16153         (legitimate_constant_address_p): Likewise.
16154         (index_term_p): Likewise.
16155         * config/vax/vax.h (PRINT_OPERAND): Likewise.
16156         * config/vax/vax.md (and<mode>3): Likewise.
16157         (ashrsi3): Likewise.
16158         (extv): Likewise.
16159         (movstricthi): Likewise.
16160         (movstrictqi): Likewise.
16161         (rotrsi3): Likewise.
16162         (five unnamed insns): Likewise.
16164 2006-03-16  Geoffrey Keating  <geoffk@apple.com>
16166         * doc/tm.texi (SDB and DWARF): Add extra parameter to
16167         ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
16168         * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
16169         * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
16170         Pass to ASM_OUTPUT_DWARF_OFFSET.
16171         * dwarf2out.c (debug_frame_section): New.
16172         (output_call_frame_info): Use debug_frame_section.  Pass it to
16173         dw2_asm_output_offset.
16174         (output_die): Pass appropriate section to dw2_asm_output_offset.
16175         (output_compilation_unit_header): Likewise.
16176         (output_pubnames): Likewise.
16177         (output_aranges): Likewise.
16178         (enum dw_val_class): Break dw_val_class_lbl_offset into
16179         dw_val_class_lineptr and dw_val_class_macptr.
16180         (add_AT_lbl_offset): Delete.
16181         (add_AT_lineptr): New.
16182         (add_AT_macptr): New.
16183         (AT_lbl): Expect a lineptr or macptr.
16184         (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
16185         (attr_checksum): Likewise.
16186         (same_dw_val_p): Likewise.
16187         (size_of_die): Likewise.
16188         (value_format): Likewise.
16189         (output_die): Likewise.
16190         (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
16191         add_AT_lbl_offset.
16192         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16193         * config/i386/i386.c (x86_file_start): Call darwin_file_start.
16194         * config/darwin-protos.h (darwin_file_start): New.
16195         (darwin_asm_output_dwarf_offset): New.
16196         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16197         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
16198         darwin_file_start.
16199         * config/darwin.c (darwin_emit_unwind_label): Don't output label
16200         if not EH section; simplify.
16201         (darwin_file_start): New.
16202         (darwin_asm_output_dwarf_offset): New.
16203         * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
16204         mark as 'debug'.
16205         (DEBUG_INFO_SECTION): Likewise.
16206         (DEBUG_ABBREV_SECTION): Likewise.
16207         (DEBUG_ARANGES_SECTION): Likewise.
16208         (DEBUG_MACINFO_SECTION): Likewise.
16209         (DEBUG_LINE_SECTION): Likewise.
16210         (DEBUG_LOC_SECTION): Likewise.
16211         (DEBUG_PUBNAMES_SECTION): Likewise.
16212         (DEBUG_STR_SECTION): Likewise.
16213         (DEBUG_RANGES_SECTION): Likewise.
16214         (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
16215         (ASM_OUTPUT_DWARF_OFFSET): New.
16217 2006-03-16  Joseph S. Myers  <joseph@codesourcery.com>
16219         * config.gcc (tm_defines): Always add to previous value rather
16220         than replacing it.
16222 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
16224         * config/mips/predicates.md (splittable_const_int_operand): New,
16225         split from move_operand.
16226         (splittable_symbolic_operand): New.
16227         (move_operand): Add commentary.  Use splittable_const_int_operand.
16228         Inline mips_atomic_symbolic_constant_p.
16229         * config/mips/mips.md: Add combine splitters for handling moves
16230         of splittable_const_int_operands and splittable_symbolic_operands.
16231         * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
16232         (mips_split_symbol): Declare.
16233         (mips_move_integer): Declare.
16234         * config/mips/mips.c (mips_split_p): Make global.
16235         (TARGET_MIN_ANCHOR_OFFSET): Override default.
16236         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16237         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16238         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
16239         (mips_offset_within_object_p): Handle block symbols.
16240         (mips_atomic_symbolic_constant_p): Delete.
16241         (mips_cannot_force_const_mem): Return false for constants that
16242         mips_legitimize_move can handle.
16243         (mips_use_blocks_for_constant_p): New function.
16244         (mips_split_symbol): Make global.
16245         (mips_move_integer): Likewise.  Add a temporary register argument.
16246         (mips_legitimize_const_move): Use splittable_const_int_operand and
16247         splittable_symbolic_operand.
16248         (mips_use_anchors_for_symbol_p): New function.
16249         * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
16250         (mips_split_p): Declare.
16252 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
16254         * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
16255         (mips*-*-linux*): Likewise.
16257 2006-03-16  Roger Sayle  <roger@eyesopen.com>
16258             Daniel Speyer  <dspeyer@wam.umd.edu>
16260         PR middle-end/18259
16261         * tree-dump.c (dump_real): New function.
16262         (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
16263         * Makefile.in (REAL_H): New macro for dependencies on real.h.
16264         (tree-dump.o): Add $(REAL_H) to the dependencies.
16266 2006-03-16  Roger Sayle  <roger@eyesopen.com>
16268         PR middle-end/21781
16269         * real.c (real_from_string): If the mantissa is zero, don't bother
16270         parsing the exponent as the result should always be zero.
16272 2006-03-16  Andreas Krebbel  <krebbel1@de.ibm.com>
16274         * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
16276 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16278         * config/ia64/ia64.c (stops_p): Added explicit initialization.
16279         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
16280         ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
16281         ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
16282         ia64_sched_finish_global): New static functions to implement
16283         hooks from gcc_target.sched.
16284         (spec_check_no, max_uid, pending_data_specs): New static variables.
16285         (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16286         ia64_spec_check_src_p): New static functions.
16287         (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16288         (TARGET_SCHED_ADJUST_COST): Removed.
16289         (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16290         TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16291         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16292         TARGET_SCHED_GEN_CHECK,
16293         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16294         TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16295         (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16296         Fixed to handle speculation checks.
16297         (rtx_needs_barrier): Fixed to handle speculative loads and
16298         their checks.
16299         (ia64_variable_issue): Added code to count speculative loads and their
16300         checks.
16301         (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16302         speculative loads.
16303         (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16304         New enumerations.
16305         (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16306         New constants.
16307         (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16308         (ia64_reorg): Reset stops_p to NULL after it is freed.
16309         * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16310         UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16311         (itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
16312         chk_a.
16313         (data_speculative, control_speculative, check_load): New attributes.
16314         (mov<mode>_advanced, mov<mode>_speculative,
16315         mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16316         zero_extend<mode>di2_speculative,
16317         zero_extend<mode>di2_speculative_advanced): New patterns for
16318         data and control speculative loads.
16319         (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16320         check loads.
16321         (advanced_load_check_clr_<mode>, speculation_check_<mode>):
16322         New pattern for data and control speculation checks.
16323         (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16324         ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16325         reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16326         Auxiliary definitions for the patterns.
16327         * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16328         1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16329         constraints.
16330         (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16331         for speculation.
16332         (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16333         * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16334         2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16335         New resource constraints.
16336         (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16337         for speculation.
16338         (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16339         * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16340         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16341         msched-in-control-spec, msched-ldc, msched-control-ldc,
16342         msched-spec-verbose, msched-prefer-non-data-spec-insns,
16343         msched-prefer-non-control-spec-insns,
16344         msched-count-spec-in-critical-path): New flags to tune speculative
16345         scheduling.
16346         * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16347         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16348         msched-in-control-spec, msched-ldc, msched-control-ldc,
16349         msched-spec-verbose, msched-prefer-non-data-spec-insns,
16350         msched-prefer-non-control-spec-insns,
16351         msched-count-spec-in-critical-path): Document new flags.
16353 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16355         * target.h (struct spec_info_def): New opaque declaration.
16356         (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16357         speculate_insn, needs_block_p, gen_check,
16358         first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16359         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16360         TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16361         TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16362         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16363         TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16364         gcc_target.sched.
16365         (TARGET_SCHED): Use new macros.
16366         * rtl.h (copy_DEPS_LIST_list): New prototype.
16367         * sched-int.h (struct sched_info): Change signature of new_ready field,
16368         adjust all initializations. New fields: add_remove_insn,
16369         begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16370         region_head_or_leaf_p.
16371         (struct spec_info_def): New structure declaration.
16372         (spec_info_t): New typedef.
16373         (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16374         recovery_block, orig_pat.
16375         (glat_start, glat_end): New variables declaraions.
16376         (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16377         New access macros.
16378         (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16379         DETACH_LIFE_INFO, USE_GLAT.
16380         (enum SPEC_SCHED_FLAGS): New enumeration.
16381         (NOTE_NOTE_BB_P): New macro.
16382         (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16383         attach_life_info, debug_spec_status, check_reg_live): New functions.
16384         (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16385         all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16386         sched-ebb.c
16387         (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16388         * ddg.c (get_block_head_tail): Adjust all uses.
16389         * modulo-sched.c (get_block_head_tail): Adjust all uses.
16390         (sms_sched_info): Initialize new fields.
16391         (contributes_to_priority): Removed.
16392         * haifa-sched.c (params.h): New include.
16393         (get_block_head_tail): Adjust all uses.
16394         (ISSUE_POINTS): New macro.
16395         (glat_start, glat_end): New global variables.
16396         (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16397         nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16398         old_last_basic_block, before_recovery, current_sched_info_var,
16399         rgn_n_insns, luid): New static variables.
16400         (insn_cost1): New function.  Move logic from insn_cost to here.
16401         (find_insn_reg_weight1): New function.  Move logic from
16402         find_insn_reg_weight to here.
16403         (reemit_notes, move_insn, max_issue): Change signature.
16404         (move_insn1): Removed.
16405         (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16406         extend_bb): New static functions to support extension of scheduler's
16407         data structures.
16408         (generate_recovery_code, process_insn_depend_be_in_spec,
16409         begin_speculative_block, add_to_speculative_block,
16410         init_before_recovery, create_recovery_block, create_check_block_twin,
16411         fix_recovery_deps): New static functions to support
16412         generation of recovery code.
16413         (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16414         restore_bb_notes, move_block_after_check, move_succs): New static
16415         functions to support ebb scheduling.
16416         (init_glat, init_glat1, attach_life_info1, free_glat): New static
16417         functions to support handling of register live information.
16418         (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16419         sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16420         add_jump_dependencies): New static functions.
16421         (check_cfg, has_edge_p, check_sched_flags): New static functions for
16422         consistancy checking.
16423         (debug_spec_status): New function to call from debugger.
16424         (priority): Added code to handle speculation checks.
16425         (rank_for_schedule): Added code to distinguish speculative instructions.
16426         (schedule_insn): Added code to handle speculation checks.
16427         (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16428         Fixed to handle ebbs.
16429         (move_insn): Added code to handle ebb scheduling.
16430         (max_issue): Added code to use ISSUE_POINTS of instructions.
16431         (choose_ready): Added code to choose between speculative and
16432         non-speculative instructions.
16433         (schedule_block): Added code to handle ebb scheduling and scheduling of
16434         speculative instructions.
16435         (sched_init): Initialize new variables.
16436         (sched_finish): Free new variables.  Print statistics.
16437         (try_ready): Added code to handle speculative instructions.
16438         * lists.c (copy_DEPS_LIST_list): New function.
16439         * sched-deps.c (extend_dependency_caches): New function.  Move logic
16440         from create_dependency_caches to here.
16441         (get_dep_weak, ds_merge): Make global.
16442         * genattr.c (main): Code to output prototype for
16443         dfa_clear_single_insn_cache.
16444         * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16445         (output_dfa_clean_insn_cache_func): Code to output
16446         dfa_clear_single_insn_cache function.
16447         * sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
16448         n_insns.
16449         (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16450         Removed.
16451         (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16452         New static variables.
16453         (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16454         fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16455         struct sched_info.
16456         (ebb_sched_info): Initialize new fields.
16457         (get_block_head_tail): Adjust all uses.
16458         (compute_jump_reg_dependencies): Fixed to use glat_start.
16459         (schedule_ebb): Code to remove unreachable last block.
16460         (schedule_ebbs): Added code to update register live information.
16461         * sched-rgn.c (region_sched_info): Initialize new fields.
16462         (get_block_head_tail): Adjust all uses.
16463         (last_was_jump): Removed.  Adjust users.
16464         (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16465         add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16466         Implement new hooks.
16467         (check_dead_notes1): New static function.
16468         (struct region): New fields: dont_calc_deps, has_real_ebb.
16469         (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16470         (BB_TO_BLOCK): Fixed to handle EBBs.
16471         (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16472         (ebb_head): New static variable.
16473         (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16474         (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16475         new fields.
16476         (compute_dom_prob_ps): New assertion.
16477         (check_live_1, update_live_1): Fixed to work with glat_start instead of
16478         global_live_at_start.
16479         (init_ready_list): New assertions.
16480         (can_schedule_ready_p): Split update code to begin_schedule_ready.
16481         (new_ready): Add support for BEGIN_CONTROL speculation.
16482         (schedule_insns): Fixed code that updates register live information
16483         to handle EBBs.
16484         (schedule_region): Fixed to handle EBBs.
16485         (init_regions): Use extend_regions and check_dead_notes1.
16486         * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16487         PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16488         * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16489         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16490         TARGET_SCHED_GEN_CHECK,
16491         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16492         TARGET_SCHED_SET_SCHED_FLAGS): Document.
16493         * doc/invoke.texi (max-sched-insn-conflict-delay,
16494         sched-spec-prob-cutoff): Document.
16496 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16498         * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16499         inter_tick, queue_index.
16500         (struct sched_info): Change signature of init_ready_list field.
16501         Adjust all initializations.
16502         (RESOLVED_DEPS): New access macro.
16503         (ready_add): Remove prototype.
16504         (try_ready): Add prototype.
16505         * sched-rgn.c (init_ready_list): Use try_ready.
16506         (schedule_region): Initialize
16507         current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16508         * sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
16509         (init_ready_list): Use try_ready.
16510         (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16511         * lists.c (remove_list_elem): Remove `static'.
16512         (remove_free_INSN_LIST_elem): New function.
16513         * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16514         * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16515         (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16516         New constants.
16517         (readyp): New variable.
16518         (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16519         change_queue_index, resolve_dep): New static functions.
16520         (try_ready): New function.  Adjust callers in sched-rgn.c and
16521         sched-ebb.c to use it instead of ready_add.
16522         (clock_var): Move at the begining of file.
16523         (rank_for_schedule): Fix typo.
16524         (queue_insn): Add assertion.  Handle QUEUE_INDEX.
16525         (ready_lastpos): Enforce assertion.
16526         (ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
16527         update all callers.
16528         (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16529         (schedule_insn): Rewrite to use try_ready and resolve_dep.
16530         (queue_to_ready): Use free_INSN_LIST_list.
16531         (early_queue_to_ready): Fix typo.
16532         (schedule_block): Init readyp.  Move init_ready_list call after the
16533         initialization of clock_var.  Fix error in rejecting insn by
16534         targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
16535         that previously corrected INSN_TICKs.  Add code for handling
16536         QUEUE_INDEX.
16537         (set_priorities): Fix typo.
16538         (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16539         Clarify comment and code that keeps current_sched_info->next_tail
16540         non-null.
16542 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16544         * sched-rgn.c (extend_rgns): New static function.
16545         (find_rgns): Use it.
16546         (gather_region_statistics, print_region_statistics): New static
16547         functions.
16548         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16549         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16551 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16552             Andrey Belevantsev <abel@ispras.ru>
16554         * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16555         * lists.c (unused_deps_list): New variable.
16556         (free_list): Add assertions to verify the proper distinguishing
16557         between INSN_LISTs and DEPS_LISTs.
16558         (find_list_elem, remove_list_elem, remove_list_node): New static
16559         functions.
16560         (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16561         remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16562         remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16563         (alloc_INSN_LIST): Assert that the list we're working on is indeed
16564         an INSN_LIST.
16565         (free_INSN_LIST_node): Likewise.
16566         * modulo-sched.c (current_sched_info): Initialize flags field.
16567         * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16568         * rtl.def (DEPS_LIST): Define.
16569         * rtl.h: Declare new functions from lists.c.
16570         * sched-deps.c (spec_dependency_cache): New static variable.
16571         (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16572         (add_dependence): Change return type to void.  Move the logic to ...
16573         (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
16574         (delete_all_dependences): Add comment about forward_dependency_cache.
16575         Handle spec_dependency_cache.  Handle DEPS_LISTs.
16576         (fixup_sched_groups): Clarify the change of priority of output
16577         and anti dependencies.
16578         (sched_analyze_2): Adjust add_dependence calls to create data
16579         speculative dependence.
16580         (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16581         Adjust all callers.  Handle DEPS_LISTS.
16582         (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
16583         presence of speculation.
16584         (init_dependency_caches, free_dependency_caches):
16585         Handle spec_dependency_cache.
16586         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16587         estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16588         New static functions.
16589         (add_or_update_back_dep, add_or_update_back_forw_dep,
16590         add_back_forw_dep, delete_back_forw_dep): New functions.
16591         * sched-int.h (ds_t, dw_t): New typedefs.
16592         (struct sched_info): Add new field flags.
16593         (struct haifa_insn_data): Add new bitfield has_internal_dep.
16594         Prototype new sched-deps.c functions.
16595         (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16596         (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16597         MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16598         BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16599         SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16600         SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16601         New constants.
16602         (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16603         New enums.
16604         * sched-rgn.c (current_sched_info): Initialize flags field.
16605         (schedule_insns): Initialize current_sched_info before the sched_init
16606         call.
16607         * sched-ebb.c (current_sched_info): Initialize flags field.
16608         (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16609         Call add_or_update_back_dep instead of add_dependence.
16610         Create control speculative dependencies.
16611         (schedule_insns): Initialize current_sched_info before the sched_init
16612         call.
16614 2006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
16616         * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16617         fs->signal_frame.
16618         (sh_fallback_frame_state): Likewise.
16620 2006-03-15  Geoffrey Keating  <geoffk@apple.com>
16622         * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16623         Do switch on default_use_cxa_atexit.
16624         (powerpc*-*-darwin*): Build crt2.o on powerpc.
16625         * config/darwin-crt3.o: New.
16626         * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16627         to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
16628         (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16629         OS version.
16630         * config/rs6000/t-darwin: Move crt2.o building to here.
16631         * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16632         Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
16633         of __cxa_atexit.
16635 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16637         * config/vax/vax.c (nonindexed_address_p): Change logical negation
16638         from '! xxx' to '!xxx' for coding-style conformance.
16639         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16640         (EXTRA_CONSTRAINT): Likewise.
16641         * config/vax/vax.md (four unnamed insns): Likewise.
16643 2006-03-15  Paul Brook  <paul@codesourcery.com>
16645         * config/arm/arm.c (minipool_pad): New.
16646         (add_minipool_forward_ref): Include pool alignment padding in address
16647         calculation.
16648         (push_minipool_fix): Set minipool_pad.
16649         (minipool_pad): Ditto.
16651 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16653         * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16654         instead of GET_CODE() == MEM and REG_P() instead of
16655         GET_CODE() == REG.
16656         (print_operand_address): Likewise.
16657         (vax_address_cost): Likewise.
16658         (vax_rtx_costs): Likewise.
16659         (vax_notice_update_cc): Likewise.
16660         (vax_output_int_add): Likewise.
16661         (INDEX_REGISTER_P): Likewise.
16662         (BASE_REGISTER_P): Likewise.
16663         (nonindexed_address_p): Likewise.
16664         (vax_mode_dependent_address_p): Likewise.
16665         * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16666         (PRINT_OPERAND): Likewise.
16667         * config/vax/vax.md (ashlsi3): Likewise.
16668         (ashlsi3): Likewise.
16669         (some more unnamed insns): Likewise.
16671 2006-03-15  Kazu Hirata  <kazu@codesourcery.com>
16673         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16674         iterator-style macro.
16675         (mark_control_dependent_edges_necessary): Update the use of
16676         EXECUTE_IF_CONTROL_DEPENDENT.
16678 2006-03-15  J"orn Rennecke <joern.rennecke@st.com>
16680         * config/sh/predicates.md (cache_address_operand): Special.
16681         (ua_address_operand): Likewise.
16683 2006-03-15  Zdenek Dvorak <dvorakz@suse.cz>
16685         * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16686         loop notes.
16687         * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16689 2006-03-15  Andreas Schwab  <schwab@suse.de>
16691         * gensupport.c (identify_predicable_attribute): Don't free p_false
16692         when it is still in use.
16694 2006-03-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
16696         * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16697         the default setting here.
16699 2006-03-14  Steven Bosscher  <stevenb.gcc@gmail.com>
16701         * tree-pass.h (pass_cfg): Remove.
16702         * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16703         * passes.c (pass_cfg): Don't run it.
16705 2006-03-14  Kazu Hirata  <kazu@codesourcery.com>
16707         * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16708         * reg-stack.c (stack_regs_mentioned_data): Change the type to
16709         VEC(char,heap) *.
16710         (stack_regs_mentioned): Update the uses of
16711         stack_regs_mentioned_data.  Don't access the array beyond its
16712         end.
16713         (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16714         Don't include gt-reg-stack.h.
16716         * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16717         * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16719         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16721         PR middle-end/26684
16722         * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16723         STACK_REGS.
16725 2006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16727         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16729 2006-03-14  Richard Guenther  <rguenther@suse.de>
16731         PR tree-optimization/26672
16732         * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16733         SSA form.
16735 2006-03-14  Richard Guenther  <rguenther@suse.de>
16737         PR tree-optimization/26667
16738         * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16739         node for the callees.  Always allow inlining if it will shrink
16740         the function size.
16742 2006-03-14  Richard Guenther  <rguenther@suse.de>
16744         PR middle-end/26659
16745         * builtins.c (get_pointer_alignment): Prefer alignment
16746         information from decls over that from types.
16748 2006-03-14  Andrew Pinski  <pinskia@physics.uc.edu>
16750         PR target/26657
16751         * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16753 2006-03-14  Joseph S. Myers  <joseph@codesourcery.com>
16755         * config/rs6000/rs6000.opt (mdlmzb): New option.
16756         (msched-prolog, msched-epilog): Use Var not Mask.
16757         * doc/invoke.texi (-mdlmzb): Document.
16758         * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16759         MASK_SCHED_PROLOG.
16760         (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16761         * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16763 2006-03-13  Uttam Pawar  <uttamp@us.ibm.com>
16765         PR rtl-optimization/25739
16766         * bt-load.c (augment_live_range): Free tos pointer.
16768         * gensupport.c (identify_predicable_attribute): Free
16769         p_false pointer.
16770         * gcov.c (create_file_names): Free name pointer.
16772 2006-03-13  Roger Sayle  <roger@eyesopen.com>
16774         PR middle-end/26557
16775         * stmt.c (emit_case_nodes): Handle the case where the index is a
16776         CONST_INT, where the comparison mode is specified by the index type.
16778 2006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16780         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16781         is defined.
16783 2006-03-13  Richard Sandiford  <richard@codesourcery.com>
16785         * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16786         (*branch_fp_inverted): Likewise.
16788 2006-03-13  Jakub Jelinek  <jakub@redhat.com>
16790         PR middle-end/25989
16791         * omp-low.c (expand_omp_for_generic): Mark istart0
16792         and iend0 as addressable.
16794 2006-03-13  Jie Zhang  <jie.zhang@analog.com>
16796         * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16798 2006-03-13  Jeff Law  <law@redhat.com>
16800         * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16801         virtual operands are interesting.
16802         (vrp_visit_stmt): Corresponding changes.
16804 2006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>
16806         * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16807         of RETS.
16808         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16809         TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16810         * config/bfin/crti.S: Use it instead of __PIC__.
16811         * config/bfin/crtn.S: Likewise.
16813         * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16814         call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16815         not if flag_pic.
16816         Lose 'G' modifier for call operand.
16817         * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16818         recognize 'G' modifier.
16820 2006-03-13  Eric Botcazou  <ebotcazou@adacore.com>
16822         PR middle-end/18859
16823         * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16824         * stmt.c (expand_case): Likewise.
16826 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16828         PR rtl-optimization/26254
16829         * loop-invariant.c (seq_insns_valid_p): New function.
16830         (move_invariant_reg): Only emit new code if it is valid.
16832 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16834         * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16835         Removed.
16836         (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16837         (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16838         (commit_one_edge_insertion): Do not look for loop notes.
16840 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16842         * jump.c (follow_jumps): Do not check for loop notes.  Move check for
16843         flag_test_coverage out of loop.
16845 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16847         * final.c (shorten_branches): Remove outdated comment, and turn
16848         the if branch that guards it to continue.
16850 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16852         * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16853         * cfgloop.h (struct loop): Remove unused fields.
16855 2006-03-13  Kazu Hirata  <kazu@codesourcery.com>
16857         * doc/invoke.texi (-fdump-rtl-loop): Remove.
16858         (-dL, -fdump-rtl-loop2): Update the dump file names
16860         * doc/invoke.texi: Update dump file names.
16862 2006-03-12  Steven Bosscher  <stevenb.gcc@gmail.com>
16864         * predict.c (estimate_probability): Remove.
16865         * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16866         * basic-block.h (estimate_probability): Remove prototype.
16867         * passes.c (finish_optimization_passes): Dump branch prediction or
16868         profiling heuristics to the .profile tree dump.
16869         (init_optimization_passes): Unqueue pass_branch_prob.
16871         * doc/invoke.texi (-fdump-rtl-bp): Remove.
16873 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16875         * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16876         * rtl.h (LABEL_NEXTREF): Remove field accessor.
16878 2006-03-11  Eric Botcazou  <ebotcazou@adacore.com>
16880         * function.h (frame_offset_overflow): Declare.
16881         * function.c (frame_offset_overflow): New function.
16882         (assign_stack_local_1): Call it to detect that the offset overflows.
16883         * cfgexpand.c (alloc_stack_frame_space): Likewise.
16885 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16887         * config/sh/sh.c: Include alloc-pool.h.
16888         (label_ref_list_pool): New alloc pool.
16889         (label_ref_list_t): New type for lists of labels.
16890         (struct pool_node): Make wend a label_ref_list_t.
16891         (add_constant): Use the new type, eradicate LABEL_NEXTREF
16892         references.
16893         (dump_table): Likewise.
16894         (sh_reorg): Set up the alloc pool before using add_constant and
16895         dump_table, and destroy it when finishing.
16897 2006-03-11  Richard Sandiford  <richard@codesourcery.com>
16899         * config/mips/mips.c: Remove redundant comment.
16901 2006-03-10  Jason Merrill  <jason@redhat.com>
16903         PR c/26004
16904         * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16905         the target was declared 'register'.
16907 2006-03-10  Adam Nemet  <anemet@caviumnetworks.com>
16909         * genpreds.c (write_insn_constraint_len): Change definition of
16910         insn_constraint_len to return size_t to match the declaration.
16912 2006-03-10  DJ Delorie  <dj@redhat.com>
16914         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16915         start at zero.
16916         (m32c_expand_insv): Fix test for an AND mask.
16918 2006-03-10  Richard Guenther  <rguenther@suse.de>
16920         PR middle-end/26565
16921         * builtins.c (get_pointer_alignment): Handle component
16922         references for field alignment.
16924 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
16926         * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16927         when building with libgloss.
16928         (sh*elf): Implement --without-fp option.
16929         (sh64-superh-linux*): Don't multilib.
16931 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
16933         * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16935 2006-03-09  Andrew Pinski  <pinskia@physics.uc.edu>
16937         * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16938         Set it when one of the replacement functions returned true.
16939         Return TODO_cleanup_cfg if cfgchanged is true.
16940         (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16942 2006-03-09  Adam Nemet  <anemet@caviumnetworks.com>
16944         * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16945         instead of gen_lowpart.
16947 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
16949         * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16950         interface.
16951         (mips_output_order_conditional_branch): Declare.
16952         * config/mips/mips.h (MIPS_BRANCH): New macro.
16953         * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16954         for the comparison.  Use gen_condjump.
16955         (mips_output_conditional_branch): Rework interface to take the
16956         asm templates for a direct branch and the inverse of a direct branch.
16957         (mips_output_order_conditional_branch): New function.
16958         (mips_builtin_branch_and_move): New function.
16959         (mips_expand_builtin_compare): Use it.  Use VOIDmode for the
16960         branch condition.  Use gen_single_cc as the condition for
16961         __builtin_mips_upper_* or __builtin_mips_lower_*.
16962         (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16963         Use VOIDmode for the branch condition.
16964         * config/mips/predicates.md (order_operator): New predicate.
16965         * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16966         (branch_fp): Rename to...
16967         (*branch_fp): ...this.  Remove mode from comparison operator.
16968         Use new mips_output_conditional_branch interface.
16969         (branch_fp_inverted): Rename to...
16970         (*branch_fp_inverted): ...this and update as for *branch_fp.
16971         (*branch_zero<mode>): Rename to...
16972         (*branch_order<mode>): ...this.  Remove mode from comparison operator.
16973         Use mips_output_order_conditional_branch.  Only accept ordered
16974         comparisons.
16975         (*branch_zero<mode>_inverted): Rename to...
16976         (*branch_order<mode>_inverted): ...this and update as for
16977         *branch_order<mode>.
16978         (*branch_equality<mode>): Accept zero as the second operand to
16979         the equality operator.  Use the new mips_output_conditional_branch
16980         interface.
16981         (*branch_equality<mode>_inverted): Likewise.
16982         (condjump): New expander.
16983         * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16984         operator.
16985         * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16986         (bc1any2t, bc1any2f): Likewise.
16987         (single_cc): New expander.
16988         (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16990 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
16992         * doc/md.texi: Update documentation of MIPS constraints.
16993         * config/mips/constraints.md: New file.
16994         * config/mips/mips.md: Include it.
16995         * config/mips/mips.c (mips_char_to_class): Delete.
16996         (override_options): Don't initialize mips_char_to_class.
16997         * config/mips/mips.h (mips_char_to_class): Delete.
16998         (REG_CLASS_FROM_LETTER): Delete.
16999         (CONST_OK_FOR_LETTER_P): Delete.
17000         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
17001         (EXTRA_CONSTRAINT_Y): Delete.
17002         (EXTRA_CONSTRAINT_STR): Delete.
17003         (CONSTRAINT_LEN): Delete.
17004         (EXTRA_MEMORY_CONSTRAINT): Delete.
17006 2006-03-09  Diego Novillo  <dnovillo@redhat.com>
17008         * tree-cfg.c (move_block_to_fn): Remove the statements from the
17009         original fn's eh regions.
17011 2006-03-09  Eric Botcazou  <ebotcazou@adacore.com>
17013         * fold-const.c (build_range_check): Make sure to use a valid type to
17014         apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
17015         transformation.
17017         (range_predecessor): New static function.
17018         (range_successor): Likewise.
17019         (merge_ranges): Use them to compute predecessors and successors of
17020         range bounds.
17022 2006-03-09  Roger Sayle  <roger@eyesopen.com>
17024         PR middle-end/26561
17025         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
17026         X op C3, consider whether C3 overflows towards +Inf or -Inf.
17028 2006-03-08  DJ Delorie  <dj@redhat.com>
17030         * config/m32c/addsub.md (addqi3): Disparage a0/a1.
17031         (addpsi3): Expand to include memory operands.  Remove
17032         reload-specific splits.
17033         * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
17034         (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
17035         (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
17036         (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
17037         (shift1_qi, shift1_hi, insv): New.
17038         * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
17039         (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
17040         cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
17041         cond_to_int): New.
17042         * config/m32c/m32c-protos.h: Update as needed.
17043         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
17044         default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
17045         Fail for unrecognized R* constraints.
17046         (m32c_cannot_change_mode_class): Be more picky about pseudos.
17047         (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
17048         (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
17049         Add Sp constraint.
17050         (m32c_init_libfuncs): New.
17051         (m32c_legitimate_address_p): Add debug wrapper.
17052         (m32c_rtx_costs): New.
17053         (m32c_address_cost): New.
17054         (conversions): Add 'B' prefix.
17055         (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
17056         operands, or word regnames for QI operands.  'B' prints bit
17057         position.
17058         (m32c_expand_setmemhi): New.
17059         (m32c_expand_movmemhi): New.
17060         (m32c_expand_movstr): New.
17061         (m32c_expand_cmpstr): New.
17062         (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
17063         (m32c_expand_neg_mulpsi3): Handle non-ints.
17064         (m32c_cmp_flg_0): New.
17065         (m32c_expand_movcc): New.
17066         (m32c_expand_insv): New.
17067         (m32c_scc_pattern): New.
17068         * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
17069         a0/a1 out of SIregs.
17070         (STORE_FLAG_VALUE): New.
17071         * config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
17072         code macros.
17073         (no_insn): New.
17074         * config/m32c/mov.md: Make constraints more liberal.
17075         (zero_extendqihi2): Optimize r0/r1 case.
17076         * config/m32c/muldiv.md (mulpsi3): Check for intvals.
17077         * config/m32c/predicates.md (m32c_any_operand): New.
17078         (m32c_nonimmediate_operand): New.
17079         (m32c_hl_operand): New.
17080         (m32c_r3_operand): New.
17081         (ap_operand): New.
17082         (ma_operand): New.
17083         (memsym_operand): New.
17084         (memimmed_operand): New.
17085         (a_qi_operand): New.
17086         (m32c_eqne_operator): New.
17087         (m32c_1bit8_operand): New.
17088         (m32c_1bit16_operand): New.
17089         (m32c_1mask8_operand): New.
17090         (m32c_1mask16_operand): New.
17091         * config/m32c/blkmov.md: New file.
17092         * config/m32c/t-m32c (MD_FILES): Add blkmov.
17094 2006-03-08  Andreas Tobler  <a.tobler@schweiz.ch>
17096         * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
17097         unsigned to fix signed/unsigned comparison issue in
17098         DWARF2_FRAME_REG_OUT.
17099         (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
17100         unsigned comparison issue in DWARF2_FRAME_REG_OUT.
17102         * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
17103         of ptr into the ENABLE_CHECKING section.
17105 2006-03-08  Jeff Law  <law@redhat.com>
17107         * tree-vrp.c (infer_value_range): Only count pointer uses
17108         and dereferences if -fdelete-null-pointer-checks is enabled.
17110         * tree-vrp.c (find_assert_locations): Infer value ranges for
17111         single use pointers, but do not create ASSERT_EXPRs for them.
17112         When a non-null range is inferred for a pointer, backwards
17113         propagate that range to other equivalent pointers through the
17114         use-def chain.
17116 2006-03-08  Paolo Bonzini  <bonzini@gnu.org>
17118         PR bootstrap/26500
17119         * Makefile.in (dvi, html, install-info): Invoke the corresponding
17120         language hook targets.
17121         * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
17122         objcp/Make-lang.in: Create stub rules for dvi, html, install-info
17123         if language hook targets were missing.
17125 2006-03-07  Zdenek Dvorak <dvorakz@suse.cz>
17127         * tree-ssa-opfinalize.h: Removed.
17128         * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
17129         dependency.
17130         * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
17131         (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
17132         INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
17133         add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
17134         finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
17135         finalize_ssa_v_must_def_ops): New.
17137 2006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>
17139         * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
17140         block as parameter.
17142 2006-03-07  Geoffrey Keating  <geoffk@apple.com>
17144         * varasm.c (assemble_end_function): Say that 'fnname' is unused.
17146         * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
17147         addresses with offsets; reorganize.
17149         * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
17150         (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
17151         (expand_builtin_init_dwarf_reg_sizes): Likewise.
17153 2006-03-08  David Billinghurst <David.Billinghurst@riotinto.com>
17155         PR target/26588
17156         * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
17158 2006-03-08  Ben Elliston  <bje@au.ibm.com>
17160         * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
17162 2006-03-07  Aldy Hernandez  <aldyh@redhat.com>
17164         PR gomp/26238
17165         * doc/passes.texi (Tree-SSA passes): Document omp lowering and
17166         expansion.
17168 2006-03-07  Richard Guenther  <rguenther@suse.de>
17170         PR tree-optimization/26587
17171         * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
17173 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
17175         * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
17177 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
17179         * hooks.c (hook_bool_mode_rtx_true): New function.
17180         * hooks.h (hook_bool_mode_rtx_true): Declare.
17181         * toplev.c (compile_file): Call output_shared_constant_pool.
17182         * varasm.c (shared_constant_pool): New variable.
17183         (assemble_start_function, assemble_end_function): Remove arguments
17184         from call to output_constant_pool.
17185         (create_constant_pool): New function, split out from...
17186         (init_varasm_status): ...here.
17187         (force_const_mem): Choose between the shared and per-function constant
17188         pools.  Set current_function_uses_const_pool when reusing old entries
17189         as well as when creating new ones.
17190         (mark_constant): Ignore data argument.
17191         (mark_constants): Remove pool argument.
17192         (mark_constant_pool): Likewise.  Use current_function_uses_const_pool
17193         to decide whether the function uses a constant pool.
17194         (output_constant_pool_contents): New function, split out from...
17195         (output_constant_pool): ...here.
17196         (output_shared_constant_pool): New function.
17197         (init_varasm_once): Initialize shared_constant_pool.
17198         * output.h (output_constant_pool): Delete.
17199         (output_shared_constant_pool): Declare.
17200         * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
17201         * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
17203 2006-03-06  Nick Clifton  <nickc@redhat.com>
17205         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
17206         flag_strength_reduce.
17208 2006-03-06  Ben Elliston  <bje@au.ibm.com>
17210         * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
17211         x86_64-*-linux* configurations.
17213         * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
17214         (LIBGCC2_WORDS_BIG_ENDIAN): Define.
17216 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17218         * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
17219         Remove.
17220         * basic-block.h: Remove the extern for
17221         rediscover_loops_after_threading.
17223         * cfgloop.c (cancel_loop): Make it static.
17224         * cfgloop.h: Remove the prototype for cancel_loop.
17226         * flow.c (recompute_reg_usage): Make it static.
17227         * rtl.h: Remove the prototype for recompute_reg_usage.
17229         * function.c (use_return_register): Make it static.
17230         * function.h: Remove the prototype.
17232 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17234         * recog.c (volatile_mem_p, validate_change_maybe_volatile):
17235         Remove.
17236         * recog.h: Remove the prototype for
17237         validate_change_maybe_volatile.
17239 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17241         * rtlanal.c (replace_reg): Remove.
17242         * rtl.h: Remove the prototype for replace_reg.
17244 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17246         * regclass.c (reg_scan_update): Remove.
17247         (reg_scan_mark_refs): Remove the last argument.
17248         * rtl.h: Remove the prototype for reg_scan_update.
17250 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17252         * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
17253         combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
17254         config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
17255         config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
17256         df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
17257         loop-invariant.c, omp-low.c, opts.c, passes.c,
17258         rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
17259         tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
17260         tree-ssa-structalias.c, tree-ssa-threadedge.c,
17261         tree-ssa-threadupdate.c, tree-vect-patterns.c,
17262         tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
17263         unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
17265 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17267         * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
17268         * dwarf2out.h: Remove the prototype for
17269         dwarf2out_add_library_unit_info.
17271 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17273         * tree.c (add_var_to_bind_expr): Remove.
17274         * tree.h: Remove the prototype for add_var_to_bind_expr.
17276 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17278         * regclass.c (n_non_fixed_regs): Remove.
17279         (init_reg_sets_1, globalize_reg): Remove all uses of
17280         n_non_fixed_regs.
17281         * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
17283 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17285         * rtlanal.c (insns_safe_to_move_p): Remove.
17286         * rtl.h: Remove the prototype for insns_safe_to_move_p.
17288 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17290         * expmed.c (expand_mult_add): Remove.
17291         * expr.h: Remove the prototype for expand_mult_add.
17293 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
17295         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17296         and REG_SAVED_VAL_EXP constants.
17297         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17298         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17299         Handle regs stored by value.
17300         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17301         (execute_cfa_program): Handle DW_CFA_val_offset,
17302         DW_CFA_val_offset_sf and DW_CFA_val_expression.
17303         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17304         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17305         (uw_install_context_1): Handle target regs stored by value.
17307 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
17309         * tree-sra.c (tree_sra): Return todoflags;
17310         (generate_one_element): Set TODO_update_smt_usage if needed.
17311         (pass_sra): Remove TODO_update_smt_usage.
17312         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17313         parameter.
17314         (tree_ssa_forward_propagate_single_use_vars): Return
17315         TODO_update_smt_usage if we need to update SMT usage.
17316         (pass_forwprop): Remove TODO_update_smt_usage.
17318 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
17320         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
17321         (correct_use_link): Remove reference to get_stmt_operands.
17322         (update_stmt_operands): Likewise.
17323         (get_modify_expr_operands): New function factored out of
17324         parse_ssa_operands and get_expr_operands.
17325         Try to create V_MUST_DEFs for LHS by default.
17326         (get_expr_operands) <case MODIFY_EXPR>: Call
17327         get_modify_expr_operands.
17328         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17329         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17330         (parse_ssa_operands) <case MODIFY_EXPR>: Call
17331         get_modify_expr_operands.
17333 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
17335         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17336         * tree-flow.h: Remove the prototype for
17337         referenced_var_lookup_if_exists.
17339 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
17341         PR rtl-optimization/26345
17342         PR target/19061
17343         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17345 2006-03-03  Roger Sayle  <roger@eyesopen.com>
17347         PR tree-optimization/26524
17348         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17349         fold_convert to create a constant of the appropriate type.
17351 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
17353         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17354         SYMBOL_REF_IN_BLOCK_P.
17355         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17356         of SYMBOL_FLAG_IN_BLOCK.
17357         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17358         instead of SYMBOL_REF_IN_BLOCK_P.
17359         * explow.c (use_anchored_address): Likewise.
17360         * rtl.c (rtx_size): Likewise.
17361         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17362         instead of SYMBOL_FLAG_IN_BLOCK.
17363         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17364         SYMBOL_REF_IN_BLOCK_P.
17365         (assemble_variable): Likewise.
17366         (output_constant_def_contents): Likewise.
17367         (output_constant_pool): Likewise.
17368         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17369         instead of SYMBOL_FLAG_IN_BLOCK.
17370         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17371         SYMBOL_REF_IN_BLOCK_P.
17372         (SYMBOL_REF_BLOCK): Likewise.
17373         (SYMBOL_REF_OFFSET): Likewise.
17374         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17375         SYMBOL_REF_IN_BLOCK_P.
17376         (SYMBOL_FLAG_IN_BLOCK): Replace with...
17377         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17378         (SYMBOL_REF_IN_BLOCK_P): Replace with...
17379         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17381 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
17383         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17385 2006-03-02  Roger Sayle  <roger@eyesopen.com>
17387         * simplify-rtx.c (simplify_unary_operation): When simplifying
17388         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17389         that we perform the right shift in the appropriate mode, and
17390         then extend or truncate the result to requested mode.
17392 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
17394         * gengtype.c (main): Handle double_int type.
17395         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17396         * double-int.c: New file.
17397         * double-int.h: New file.
17398         * system.h: Include doubleint.h.
17399         * Makefile.in (SYSTEM_H): Include double-int.h.
17400         (double-int.o): Add.
17402 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
17404         PR bootstrap/26478
17405         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17406         copying over it.
17408 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17410         * tree-vrp.c (remove_range_assertions): Do not update statements
17411         unnecessarily.
17413 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17415         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17416         cleanup.
17417         * gcse.c (rest_of_handle_gcse): Ditto.
17418         * except.c (gate_handle_eh): Ditto.
17419         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17420         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17422 2006-03-02  Eric Christopher  <echristo@apple.com>
17424         * config/i386/i386.c (machopic_output_stub): Add indirection to
17425         jump.
17427 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17429         * loop.c: Removed.
17431 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
17433         Sun Niagara specific optimizations.
17434         * config.gcc: Recognize niagara as target.
17435         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17436         (TARGET_CPU_niagara): Define.
17437         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17438         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17439         (CPP_CPU_SPEC): Handle -mcpu=niagara.
17440         (ASM_CPU_SPEC): Likewise.
17441         (PROCESSOR_NIAGARA): New enum entry.
17442         (REGISTER_MOVE_COST): Handle Niagara.
17443         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17444         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17445         (sparc_override_options): Recognize "niagara", set appropriate
17446         default MASK_* values for it, and align functions to 32-bytes
17447         by default just like ULTRASPARC/ULTRASPARC3.
17448         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17449         (sparc64_initialize_trampoline): Likewise.
17450         (sparc_use_sched_lookahead): Use zero for niagara.
17451         (sparc_issue_rate): Use one for niagara.
17452         * config/sparc/niagara.md: New file.
17453         * config/sparc/sparc.md: Include it.
17454         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17455         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17456         when default cpu is niagara.
17457         (CPP_CPU_SPEC): Handle -mcpu=niagara.
17458         (ASM_CPU_SPEC): Likewise.
17459         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17460         when default cpu is niagara.
17461         (ASM_CPU_SPEC): Handle -mcpu=niagara.
17462         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17463         just like v9/ultrasparc/ultrasparc3.
17464         * doc/invoke.texi: Add documentation for "niagara" and improve
17465         existing documentation for ultrasparc variants.
17467 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
17469         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17471 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
17473         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17474         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17475         and say that only one is needed.
17476         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17477         * target.h (have_switchable_bss_sections): New hook.
17478         * explow.c (use_anchored_address): Check that the symbol is in a block.
17479         * varasm.c (tls_comm_section, comm_section, lcomm_section)
17480         (bss_noswitch_section): New variables.
17481         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17482         (get_noswitch_section): New function.
17483         (get_block_for_section): Allow SECT to be null.
17484         (unlikely_text_section_p): Use SECTION_STYLE.
17485         (bss_initializer_p): New function.
17486         (get_variable_section): Move earlier in file.  Take a new argument,
17487         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
17488         Return one of the new *_sections in such cases.
17489         (get_block_for_decl): New function, extracting some logic from
17490         use_blocks_for_decl_p.
17491         (change_symbol_section): Remove in favor of...
17492         (change_symbol_block): ...this new function.
17493         (use_blocks_for_decl_p): Remove checks now performed by
17494         get_block_for_decl.
17495         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17496         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17497         (emit_local, emit_bss, emit_common): ...these new functions.
17498         Return true if the alignment was honored.
17499         (emit_tls_common): New function.
17500         (asm_emit_uninitialised): Delete.
17501         (assemble_variable_noswitch): New function, split out from...
17502         (assemble_variable): ...here.  Don't make decisions about common
17503         variables here.  Globalize all public decls that go into non-common
17504         sections.  Check whether SYMBOL_REF_BLOCK is null.
17505         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17506         (output_constant_pool): Likewise.
17507         (init_varasm_once): Initialize the new section variables.
17508         (have_global_bss_p): New function.
17509         (categorize_decl_for_section): Use bss_initializer_p.
17510         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
17511         (place_block_symbol): Assert that the symbol must be in a block.
17512         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17513         (TARGET_INITIALIZER): Include it.
17514         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17515         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17516         (SECTION_MACH_DEP): Bump by two.
17517         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17518         (unnamed_section): Mention SECTION_UNNAMED in comment.
17519         (named_section): Likewise SECTION_NAMED.
17520         (noswitch_section_callback): New type.
17521         (noswitch_section): New structure.
17522         (section): Add a noswitch_section alternative.
17523         (SECTION_STYLE): New macro.
17524         (tls_comm_section, comm_section, lcomm_section): Declare.
17525         (bss_noswitch_section, have_global_bss_p): Declare.
17526         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17527         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17528         Override.
17529         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17530         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17531         Override.
17533 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
17535         * tree-vrp.c (execute_vrp): Return value.
17536         * regrename.c (rest_of_handle_regrename): Ditto.
17537         * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17538         * tree-complex.c (tree_lower_complex): Ditto.
17539         (tree_lower_complex_O0): Ditto.
17540         * tracer.c (rest_of_handle_tracer): Ditto.
17541         * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17542         * postreload.c (rest_of_handle_postreload): Ditto.
17543         * tree-tailcall.c (execute_tail_recursion): Ditto.
17544         (execute_tail_calls): Ditto.
17545         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17546         * tree.h (init_function_for_compilation): Ditto.
17547         * ipa-cp.c (ipcp_driver): Ditto.
17548         * tree-scalar-evolution.c (scev_const_prop): Ditto.
17549         * tree-scalar-evolution.h (scev_const_prop): Ditto.
17550         * final.c (compute_alignments): Ditto.
17551         (rest_of_handle_final): Ditto.
17552         (rest_of_handle_shorten_branches): Ditto.
17553         (rest_of_clean_state): Ditto.
17554         * omp-low.c (execute_expand_omp): Ditto.
17555         (execute_lower_omp): Ditto.
17556         * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17557         * ipa-reference.c (static_execute): Ditto.
17558         * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17559         * reorg.c (rest_of_handle_delay_slots): Ditto.
17560         (rest_of_handle_machine_reorg): Ditto.
17561         * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17562         * flow.c (recompute_reg_usage): Ditto.
17563         (rest_of_handle_remove_death_notes): Ditto.
17564         (rest_of_handle_life): Ditto.
17565         (rest_of_handle_flow2): Ditto.
17566         * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17567         * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17568         (do_ssa_store_ccp): Ditto.
17569         (execute_fold_all_builtins): Ditto.
17570         * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17571         * modulo-sched.c (rest_of_handle_sms): Ditto.
17572         * ipa-pure-const.c (static_execute): Ditto.
17573         * cse.c (rest_of_handle_cse): Ditto.
17574         (rest_of_handle_cse2): Ditto.
17575         * web.c (rest_of_handle_web): Ditto.
17576         * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17577         * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17578         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17579         * tree-nrv.c (tree_nrv): Ditto.
17580         (execute_return_slot_opt): Ditto.
17581         * tree-ssa-alias.c (compute_may_aliases): Ditto.
17582         (create_structure_vars): Ditto.
17583         * loop-init.c (rtl_loop_init): Ditto.
17584         (rtl_loop_done): Ditto.
17585         (rtl_move_loop_invariants): Ditto.
17586         (rtl_unswitch): Ditto.
17587         (rtl_unroll_and_peel_loops): Ditto.
17588         (rtl_doloop): Ditto.
17589         * gimple-low.c (lower_function_body): Ditto.
17590         (mark_used_blocks): Ditto.
17591         * tree-ssa-sink.c (execute_sink_code): Ditto.
17592         * ipa-inline.c (cgraph_decide_inlining): Ditto.
17593         (cgraph_early_inlining): Ditto.
17594         * global.c (rest_of_handle_global_alloc): Ditto.
17595         * jump.c (cleanup_barriers): Ditto.
17596         (purge_line_number_notes): Ditto.
17597         * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17598         (rest_of_handle_if_after_reload): Ditto.
17599         * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17600         (tree_ssa_loop_im): Ditto.
17601         (tree_ssa_loop_unswitch): Ditto.
17602         (tree_vectorize): Ditto.
17603         (tree_linear_transform): Ditto.
17604         (tree_ssa_loop_ivcanon): Ditto.
17605         (tree_ssa_empty_loop): Ditto.
17606         (tree_ssa_loop_bounds): Ditto.
17607         (tree_complete_unroll): Ditto.
17608         (tree_ssa_loop_prefetch): Ditto.
17609         (tree_ssa_loop_ivopts): Ditto.
17610         (tree_ssa_loop_done): Ditto.
17611         * predict.c (tree_estimate_probability): Ditto.
17612         * recog.c (split_all_insns_noflow): Ditto.
17613         (rest_of_handle_peephole2): Ditto.
17614         (rest_of_handle_split_all_insns): Ditto.
17615         * tree-eh.c (lower_eh_constructs): Ditto.
17616         * regmove.c (rest_of_handle_regmove): Ditto.
17617         (rest_of_handle_stack_adjustments): Ditto.
17618         * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17619         * function.c (instantiate_virtual_regs): Ditto.
17620         (init_function_for_compilation): Ditto.
17621         (rest_of_handle_check_leaf_regs): Ditto.
17622         * gcse.c (rest_of_handle_jump_bypass): Ditto.
17623         (rest_of_handle_gcse): Ditto.
17624         * ipa-type-escape.c (type_escape_execute): Ditto.
17625         * alias.c (rest_of_handle_cfg): Ditto.
17626         * tree-if-conv.c (main_tree_if_conversion): Ditto.
17627         * profile.c (rest_of_handle_branch_prob): Ditto.
17628         * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17629         * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17630         * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17631         * tree-dfa.c (find_referenced_vars): Ditto.
17632         * except.c (set_nothrow_function_flags): Ditto.
17633         (convert_to_eh_region_ranges): Ditto.
17634         (rest_of_handle_eh): Ditto.
17635         * emit-rtl.c (unshare_all_rtl): Ditto.
17636         (remove_unnecessary_notes): Ditto.
17637         * except.h (set_nothrow_function_flags): Ditto.
17638         (convert_to_eh_region_ranges): Ditto.
17639         * cfgexpand.c (tree_expand_cfg): Ditto.
17640         * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17641         * tree-ssa-pre.c (do_pre): Ditto.
17642         (execute_fre): Ditto.
17643         * cfgcleanup.c (rest_of_handle_jump): Ditto.
17644         (rest_of_handle_jump2): Ditto.
17645         * tree-sra.c (tree_sra): Ditto.
17646         * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17647         (execute_mudflap_function_decls): Ditto.
17648         * tree-ssa-copy.c (do_copy_prop): Ditto.
17649         (do_store_copy_prop): Ditto.
17650         * ipa-prop.h (ipcp_driver): Ditto.
17651         * cfglayout.c (insn_locators_initialize): Ditto.
17652         * tree-ssa-forwprop.c
17653         (tree_ssa_forward_propagate_single_use_vars): Ditto.
17654         * cfglayout.h (insn_locators_initialize): Ditto.
17655         * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17656         * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17657         (execute_late_warn_uninitialized): Ditto.
17658         * rtl.h (cleanup_barriers): Ditto.
17659         (split_all_insns_noflow): Ditto.
17660         (purge_line_number_notes): Ditto.
17661         (unshare_all_rtl): Ditto.
17662         (remove_unnecessary_notes): Ditto.
17663         (recompute_reg_usage): Ditto.
17664         (variable_tracking_main): Ditto.
17665         * integrate.c (emit_initial_value_sets): Ditto.
17666         * integrate.h (emit_initial_value_sets): Ditto.
17667         * tree-optimize.c (execute_free_datastructures): Ditto
17668         (execute_free_cfg_annotations): Ditto.
17669         (execute_fixup_cfg): Ditto.
17670         (execute_cleanup_cfg_pre_ipa): Ditto.
17671         (execute_cleanup_cfg_post_optimizing): Ditto.
17672         (execute_init_datastructures): Ditto.
17673         * tree-object-size.c (compute_object_sizes): Ditto.
17674         * combine.c (rest_of_handle_combine): Ditto.
17675         * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17676         * bb-reorder.c (duplicate_computed_gotos): Ditto.
17677         (rest_of_handle_reorder_blocks): Ditto.
17678         (rest_of_handle_partition_blocks): Ditto.
17679         * var-tracking.c (variable_tracking_main): Ditto.
17680         * tree-profile.c (tree_profiling): Ditto.
17681         * tree-vect-generic.c (expand_vector_operations): Ditto.
17682         * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17683         * sched-rgn.c (rest_of_handle_sched): Ditto.
17684         (rest_of_handle_sched2): Ditto.
17685         * basic-block.h (free_bb_insn): Ditto.
17686         * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17687         * tree-cfg.c (execute_build_cfg): Ditto.
17688         (remove_useless_stmts): Ditto.
17689         (split_critical_edges): Ditto.
17690         (execute_warn_function_return): Ditto.
17691         (execute_warn_function_noreturn): Ditto.
17692         * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17693         * cfgrtl.c (free_bb_for_insn): Ditto.
17694         * passes.c (execute_one_pass): Run additional
17695         todos returned by execute function.
17696         * tree-pass.h (struct tree_opt_pass): Make execute
17697         return a value.
17699 2006-03-02  Richard Guenther  <rguenther@suse.de>
17701         * tree-ssa-alias.c (find_used_portions): Consider taking
17702         the address as making the variable not write-only.
17704 2006-03-02  Nick Clifton  <nickc@redhat.com>
17706         * config.gcc (default_use_cxa_atexit): Extend the description of
17707         this configure variable.  Set its default value to "yes" for
17708         Linux, NetBSD and ELF targets on the assumption that they will
17709         use C libraries with the __cxa_atexit function.
17711 2006-03-02  Ben Elliston  <bje@au.ibm.com>
17713         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17714         parameter as unused to suppress a build warning.
17716 2006-03-02  Ben Elliston  <bje@au.ibm.com>
17718         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17719         config/dfp-bit.c.
17721 2006-03-01  Roger Sayle  <roger@eyesopen.com>
17723         PR other/26489
17724         * gthr-posix.h (__gthrw2): Define to take three parameters, the
17725         declared name, the weak reference name, and the typeof name.
17726         (__gthrw): Avoid expanding the declared name suffix.
17727         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17729 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
17731         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17732         from DWARF 3.
17733         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17734         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17735         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17736         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17737         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17738         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17739         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17740         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17741         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17742         DW_DS_leading_separate, DW_DS_trailing_separate): New.
17743         (DW_END_default, DW_END_big, DW_END_little): New.
17744         (DW_END_lo_user, DW_END_hi_user): Define.
17745         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17746         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17747         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17748         DW_LANG_D): New.
17750 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17752         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17753         Update all users.
17754         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17755         Update all users.
17756         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17757         Update all users.
17758         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17759         Update all users.
17760         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17761         to 'symbol_mem_tag'.
17762         Update all users.
17763         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17764         rename.
17766 2006-03-01  Roger Sayle  <roger@eyesopen.com>
17768         * builtins.c (fold_builtin_copysign): Delete unreachable code.
17770 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17772         PR target/25761
17773         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17774         MACHO_DYNAMIC_NO_PIC_P.
17775         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17777 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17779         PR target/26389
17780         * config/darwin-protos.h (darwin_asm_output_anchor):
17781         Declare.
17782         * config/darwin-sections.def (cstring_section):
17783         Add SECTION_MERGE to the flags.
17784         (literal4_section): Likewise.
17785         (literal8_section): Likewise.
17786         (objc_selector_refs_section): Likewise.
17787         (objc_cls_refs_section): Likewise.
17788         * config/darwin.c (darwin_asm_output_anchor): New
17789         function.
17790         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17792 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
17794         Fix PR tree-optimization/26443
17795         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17796         to todo and PROP_tmt_usage to properties_destroyed.
17797         * tree-ssa-ccp.c (pass_ccp): Ditto.
17798         (pass_store_ccp): Ditto.
17799         * tree-ssa-dom.c (pass_dominator): Ditto.
17801 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17803         * tree-ssa-operands.c: Cleanup whitespace.
17804         (get_asm_expr_operands): Move before first invocation.
17805         (get_indirect_ref_operands): Likewise.
17806         (get_tmr_operands): Likewise.
17807         (get_call_expr_operands): Likewise.
17808         (append_def): Likewise.
17809         (append_use): Likewise.
17810         (append_v_may_def): Likewise.
17811         (append_v_must_def): Likewise.
17812         (add_call_clobber_ops): Likewise.
17813         (add_call_read_ops): Likewise.
17814         (add_stmt_operand): Likewise.
17815         (add_virtual_operand): Likewise.
17816         (build_ssa_operands): Likewise.
17818 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17820         PR middle-end/26022
17821         Revert:
17822         PR middle-end/24437
17823         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17824         with a call expr to ...
17825         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17827 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17829         * tree-vrp.c (extract_range_from_assert): Remove special
17830         handling for types with super-types.
17832 2006-03-01  Ben Elliston  <bje@au.ibm.com>
17834         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17835         and powerpc64-*-linux* configurations.
17836         * config/t-dfprules: New file.
17838         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17839         Compile dfp-bit.c from the source directory using -DWIDTH and
17840         $DFP_CFLAGS to control the compilation of that file, rather than
17841         generating width-specific versions in the build directory.
17842         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17843         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17845 2006-02-28  Zack Weinberg  <zackw@panix.com>
17847         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17848         continues to work.
17850 2006-02-28  Eric Christopher  <echristo@apple.com>
17852         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17853         Set up IN_LIBGCC definition of TARGET_64BIT.
17854         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17856 2006-02-28  Roger Sayle  <roger@eyesopen.com>
17858         PR middle-end/14752
17859         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17860         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
17861         cases via the construction of "expr != 0".
17863 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17865         * alias.c (alias_invariant, alias_invariant_size): Remove.
17866         (record_base_value): Remove.
17867         (memrefs_conflict_p): Don't look at alias_invariant.
17868         (end_alias_analysis): Don't free it.
17869         * alias.h (record_base_value): Remove prototype.
17871 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
17872             Adam Nemet  <anemet@caviumnetworks.com>
17874         * rtl.h (truncated_to_mode): Declare it.
17875         (struct rtl_hooks): Add reg_truncated_to_mode hook.
17876         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17877         (RTL_HOOKS_INITIALIZER): Include it.
17878         * rtlhooks.c (reg_truncated_to_mode_general): New function.
17879         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17880         reg_truncated_to_mode.
17881         * rtlanal.c (truncated_to_mode): Define it.
17882         * simplify-rtx.c (simplify_unary_operation_1): Use it.
17884 2006-02-28  Jeff Law  <law@redhat.com>
17886         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17887         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17888         the range allowed by TYPE_PRECISION.
17890         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17892 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
17894         PR tree-optimization/26419
17895         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17896         values of n.
17898 2006-02-27  Zack Weinberg  <zackw@panix.com>
17900         * doc/md.texi: Fix typo in previous change.
17902 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
17904         * df.c: Remove.
17906 2006-02-27  Zack Weinberg  <zackw@panix.com>
17908         * rtl.def (define_constraint, define_register_constraint)
17909         (define_memory_constraint, define_address_constraint): New MD forms.
17910         * gensupport.c (process_rtx): Put define_constraint etc on the
17911         predicate queue.
17912         * genpreds.c (process_define_predicate): Adjust comment.  Validate
17913         the name, and call validate_exp to validate the expression.
17914         (mark_mode_tests, write_extract_subexp): Can assume correct input.
17915         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
17916         all callers changed.
17917         (validate_exp, needs_variable, struct constraint_data)
17918         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17919         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17920         (const_dbl_constraints, constraint_max_namelen)
17921         (have_register_constraints, have_memory_constraints)
17922         (have_address_constraints, have_address_constraints)
17923         (have_extra_constraints, have_const_int_constraints)
17924         (have_const_dbl_constraints, mangle, add_constraint)
17925         (process_define_constraint, process_define_register_constraint)
17926         (write_enum_constraint_num, write_lookup_constraint)
17927         (write_insn_constraint_len, write_regclass_for_constraint)
17928         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17929         (write_insn_extra_memory_constraint)
17930         (write_insn_extra_address_constraint)
17931         (write_satisfies_constraint_fns): New.
17932         (write_tm_preds_h): If we have new-style constraint definitions,
17933         prototype the functions generated from them, and define the
17934         old constraint interface (still used by generic code) in terms of
17935         those functions.
17936         (write_insn_preds_c): If we have new-style constraint definitions,
17937         generate all relevant functions from those definitions.
17938         (main): Handle define_constraint etc.
17939         * genoutput.c (struct constraint_data, indep_constraints)
17940         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17941         (mdep_constraint_len): New data structures and functions, defined
17942         #ifdef USE_MD_CONSTRAINTS.
17943         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17944         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17945         use new logic to validate operand constraints against constraint
17946         definitions.
17947         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17948         defined.
17949         * defaults.h: If none of the old-style constraint macros are
17950         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17951         old-style macros; and poison REG_CLASS_FROM_LETTER,
17952         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17953         EXTRA_CONSTRAINT.
17954         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17955         * doc/md.texi: Document new constraint-definition mechanism and the
17956         C interface it provides.  Remove references to old mechanism
17957         elsewhere in the document.
17958         (Machine Constraints): Use pathnames relative to gcc directory,
17959         i.e. config/ARCH/FILE.  Change i386 section to refer to
17960         config/i386/predicates.md; update that section to match docstrings.
17961         * doc/tm.texi: Move all documentation of the old constraint-
17962         definition macros to their own section, clearly mark as obsolete.
17964         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17965         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17966         definitions.
17967         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17968         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17969         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17970         constraint strings.
17971         (splits and peepholes): Use satisfies_constraint_*.
17972         * config/i386/i386.c (memory_address_length)
17973         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17975 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
17977         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17978         scalar operation to be put back into the loop.
17980 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
17982         PR other/26208
17983         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17984         (extract_cie_info): Handle S flag in augmentation string.
17985         (execute_cfa_program): If context->signal_frame, execute also
17986         fs->pc == context->ra instructions.
17987         (uw_frame_state_for): If context->signal_frame, don't subtract one
17988         from context->ra to find FDE.
17989         (uw_update_context_1): Set context->signal_frame to
17990         fs->signal_frame.
17991         (_Unwind_GetIPInfo): New function.
17992         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17993         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17994         of _Unwind_GetIP.
17995         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17996         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17997         * unwind-compat.c (_Unwind_GetIPInfo): New function.
17998         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17999         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
18000         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
18001         * config/i386/linux-unwind.h (x86_fallback_frame_state,
18002         x86_64_fallback_frame_state): Set fs->signal_frame.
18003         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
18004         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
18005         (frob_update_context): Likewise.  Workaround missing S flag in
18006         Linux 2.6.12 - 2.6.16 kernel vDSOs.
18007         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
18008         Remove the psw_addr + 1 hack.
18010 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
18012         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
18013         with aggregates here.
18014         (find_func_aliases): Remove code for &<aggregate> from here.
18016 2006-02-26  Roger Sayle  <roger@eyesopen.com>
18018         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
18019         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
18020         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
18021         as (X & C) ne/eq 0.
18023 2006-02-26  Roger Sayle  <roger@eyesopen.com>
18025         PR middle-end/19983
18026         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
18028 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
18030         * opts.c (decode_options): Do not handle flag_strength_reduce.
18031         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
18032         and OPT_fstrength_reduce.
18033         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
18034         flag_prefetch_loop_arrays for being nonzero.
18035         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
18036         no-ops.
18037         (fprefetch-loop-arrays-rtl): Removed.
18038         (flag_prefetch_loop_arrays): Do not specify the value.
18040         * doc/passes.texi: Update documentation of loop optimizer
18041         passes.
18042         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
18043         -frerun-loop-opt): Remove.
18045 2006-02-26  Richard Guenther  <rguenther@suse.de>
18047         PR tree-optimization/26421
18048         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
18049         in function calls that are ADDR_EXPRs as using the whole structure.
18051 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
18053         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
18054         * tree-pass.h (pass_loop_optimize): Remove.
18055         * passes.c (pass_loop_optimize): Never run it.
18056         * toplev.c (backend_init): Don't call init_loop.
18057         * opts.c (flag_loop_optimize_set): Remove.
18058         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
18059         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
18060         the old RTL loop optimizer when profiling enabled.
18061         * predict.c (tree_estimate_probability): Always strip builtin_expect.
18062         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
18063         pre-headers for the sake of the old RTL loop optimizer.
18064         * Makefile.in: Remove all references to loop.o.
18066         * doc/invoke.texi: Remove all references to -floop-optimize
18067         and -frerun-loop-opt.
18069 2006-02-26  Zack Weinberg  <zackw@panix.com>
18071         * doc/md.texi (Machine Constraints): Refer to all files with paths
18072         relative to gcc directory (i.e. config/CPU/file).  Add missing
18073         @table @code ... @end table to M32C subsection.
18075 2006-02-26  Roger Sayle  <roger@eyesopen.com>
18077         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
18078         (X & 1) == 0.
18079         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
18081 2006-02-26  Roger Sayle  <roger@eyesopen.com>
18082             James A. Morrison  <phython@gcc.gnu.org>
18084         PR middle-end/21137
18085         * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
18086         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
18087         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
18088         signedness of the shift operation.
18090 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
18092         PR tree-optimization/26359
18093         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
18095 2006-02-25  Roger Sayle  <roger@eyesopen.com>
18097         * simplify-rtx.c (simplify_relational_operation_1): Simplify
18098         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
18099         as X == 0, and some symmetry related transformations.
18100         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
18102 2006-02-25  Roger Sayle  <roger@eyesopen.com>
18104         PR middle-end/23673
18105         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
18106         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
18107         symmetry related transformations.  Fold (X^C1) == C2 as
18108         X == (C1^C2).
18110 2006-02-25  Juergen Weigert  <jw@suse.de>
18111         Richard Guenther  <rguenther@suse.de>
18113         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
18115 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
18117         * combine.c (gen_lowpart_or_truncate): Call
18118         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
18120 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
18122         * doc/invoke.texi: Move -fopenmp description to "Options for
18123         Code Generation".
18124         Remove reference to -lgomp.
18126 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
18128         * doc/install.texi: Require GNU tar version 1.14.
18130 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
18132         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
18133         * doc/invoke.texi (C++ Dialect Options): Document
18134         -fno-use-cxa-get-exception-ptr.
18135         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
18136         * configure: Regenerate.
18137         * c.opt (fuse-cxa-get-exception-ptr): New.
18138         * c-opts.c (c_common_handle_option): Handle
18139         OPT_fuse_cxa_get_exception_ptr.
18140         * c-common.c (flag_use_cxa_atexit): Update documentation.
18141         (flag_use_cxa_get_exception_ptr): New.
18142         * c-common.h (flag_use_cxa_get_exception_ptr): New.
18143         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
18144         documentation.
18145         (C_COMMON_OVERRIDE_OPTIONS): New.
18147 2006-02-24  Roger Sayle  <roger@eyesopen.com>
18149         PR middle-end/24952
18150         * combine.c (try_combine): Explicitly check whether GET_CODE is
18151         a SET or a CLOBBER, instead on checking that it isn't a USE.
18153 2006-02-24  Roger Sayle  <roger@eyesopen.com>
18155         * fold-const.c (fold_comparison): New subroutine of fold_binary
18156         containing transformations common to both the equality and
18157         ordering relational operators, factored out of fold_binary.
18158         (fold_binary): Separate out the equality operators (EQ_EXPR
18159         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
18160         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
18161         transformations common to both.
18162         (fold_div_compare): Fix latent bugs in the previously unreachable
18163         LT_EXPR and GE_EXPR cases.
18165 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
18167         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
18168         decl libname for clog to __clog on AIX.
18170         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
18172 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
18174         PR target/26453
18175         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
18176         output traceback table for thunks.  Localise rs6000_stack_info call.
18178 2006-02-23  Roger Sayle  <roger@eyesopen.com>
18179             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18181         * gthr-posix.h (__gthrw): Fix typo in comment.
18183 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
18185         * doc/cpp.texi (Character sets): Document that we do support
18186         input files to be in any character set.
18188 2006-02-23  Jeff Law  <law@redhat.com>
18190         * tree.h (PHI_ARG_NONZERO): Remove.
18191         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
18192         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
18193         node to the new node.
18195         PR tree-optimization/26425
18196         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
18197         min/max, then assume its varying.
18199 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
18201         PR rtl-optimization/26316
18202         * rtlanal.c (enum may_trap_p_flags): New.
18203         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
18204         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
18205         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
18206         (may_trap_after_code_motion_p): New function.
18207         * loop-invariant.c (find_identical_invariants): Fix dump formating.
18208         (find_invariant_insn): Use may_trap_after_code_motion_p.
18209         * rtl.h (may_trap_after_code_motion_p): Declare.
18211 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
18213         * emit-rtl.c (immed_double_const): Cleanup.
18215 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
18217         Fix PR tree-optimization/26376
18218         * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
18219         remove assert.
18221 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
18223         PR middle-end/26412
18224         * gimplify.c (omp_add_variable): Guard variable size decl test with
18225         DECL_SIZE (decl) check.
18227 2006-02-23  Richard Guenther  <rguenther@suse.de>
18229         PR middle-end/26439
18230         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
18231         like aggregate types.
18233 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
18235         * configure.ac: Add --with{,out}-long-double-128 configure option.
18236         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
18237         * configure: Rebuilt.
18238         * config.in: Rebuilt.
18239         * doc/install.texi (Options specification): Document
18240         --with-long-double-128.
18242         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18243         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18244         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18245         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18247 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
18249         * config/s390/s390.c (override_options): Handle
18250         TARGET_DEFAULT_LONG_DOUBLE_128.
18252         * config/alpha/alpha.c (override_options): Handle
18253         TARGET_DEFAULT_LONG_DOUBLE_128.
18255         * config/sparc/sparc.c (sparc_override_options): Handle
18256         TARGET_DEFAULT_LONG_DOUBLE_128.
18258 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
18260         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
18261         (real-install-headers-tar, real-install-headers-cpio)
18262         (real-install-headers-cp): New targets.
18264 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
18266         * tree.h (variable_section): Delete.
18267         * varasm.c (variable_section): Delete.
18269 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
18271         * install.texi: Add notes on install.texi2html.
18272         (Building in parallel): Do not use footnotes.
18274 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
18276         PR libgomp/26234
18277         * doc/install.texi (Configuration): Document --disable-libgomp.
18279 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
18281         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
18283 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
18285         * config/i386/sse.md (vec_extractv2df_1_sse): New.
18286         (vec_extractv2df_0_sse): New.
18288 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
18290         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18291         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18292         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18293         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
18294         to the result of the expression.
18295         (def_cfa_1): Adjust.
18296         (frame_pointer_cfa_offset): Rename to...
18297         (frame_pointer_fb_offset): ... this.  Adjust all uses.
18298         (convert_cfa_to_loc_list): Rename to...
18299         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
18300         Pass it on to build_cfa_loc.
18301         (compute_frame_pointer_to_cfa_displacement): Rename to...
18302         (compute_frame_pointer_to_fb_displacement): ... this.  New
18303         offset parameter.  Use it in computation.
18304         (gen_subprogram_die): Compute cfa_fb_offset with the new
18305         macro, and use it to compute the fb loc list and the
18306         displacement.
18308 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
18310         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
18311         replaced with register_operand.
18312         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18313         non-DREG is expensive.
18314         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18315         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18316         involving memory.
18318 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
18320         * doc/install.texi2html: Use set -e.
18322 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
18324         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18325         (ASM_OUTPUT_SHARED_LOCAL): Delete.
18326         * doc/invoke.texi (-fshared-data): Delete.
18327         * common.opt (fshared-data): Delete.
18328         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18329         (assemble_static_space): Remove #if 0 code.
18330         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18331         (ASM_OUTPUT_SHARED_LOCAL): Poison.
18332         * config/cris/cris.h: Remove FIXME.
18334 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
18336         * doc/sourcebuild.texi (Front End Directory): No more double-colon
18337         hooks.
18339 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
18341         PR middle-end/26379
18342         * combine.c (simplify_shift_const_1): Disable nested shifts
18343         optimization for vector shifts.
18345 2006-02-20  Roger Sayle  <roger@eyesopen.com>
18347         PR tree-optimization/26361
18348         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18349         of unsigned integer types.
18351 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
18353         * tree-chrec.c (eq_evolutions_p): New.
18354         * tree-chrec.h (eq_evolutions_p): Declared.
18355         * tree-data-ref.c: Fix formatting.
18356         (datadep_stats, dependence_stats): New.
18357         (gcd): Moved...
18358         (print_direction_vector): New.
18359         (dump_data_dependence_relation): Use print_direction_vector.
18360         (object_analysis, create_data_ref): Handle COMPONENT_REF.
18361         (compute_subscript_distance): Static.
18362         (initialize_data_dependence_relation): Static.  Get the number
18363         of loops surrounding the references from the callers, and initialize
18364         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
18365         base_object_differ_p analyzers.
18366         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18367         compute_overlap_steps_for_affine_1_2,
18368         analyze_subscript_affine_affine): Count the classified dependences.
18369         Print a message when a test failed.
18370         (can_use_analyze_subscript_affine_affine): New.
18371         (analyze_siv_subscript): Compute the data dependences on symbolic
18372         scevs that verify can_use_analyze_subscript_affine_affine.
18373         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18374         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18375         Handle symbolic scevs.
18376         (analyze_overlapping_iterations): Let symbolic affine scevs to be
18377         analyzed.
18378         (subscript_dependence_tester): Moved...
18379         (build_classic_dist_vector, build_classic_dir_vector): Don't use
18380         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
18381         DDR_SIZE_VECT instead of getting it in parameter.
18382         (subscript_dependence_tester): ... here.  Take as a parameter
18383         loop_nest_depth.  Call build_classic_dist_vector and
18384         build_classic_dir_vector.
18385         (compute_affine_dependence): Update subscript_dependence_tester
18386         parameters.  Update datadep_stats counters.  Call
18387         compute_subscript_distance.
18388         (compute_self_dependence): Save the dist and dir vectors.  Call
18389         compute_subscript_distance.
18390         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18391         (compute_all_dependences): Reorder parameters as they were before
18392         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
18393         compute_subscript_distance.  Update the use of
18394         compute_affine_dependence and initialize_data_dependence_relation.
18395         (find_data_references_in_loop): Handle COMPONENT_REF.
18396         (compute_data_dependences_for_loop): Initialize dependence_stats.
18397         Don't call build_classic_dist_vector and build_classic_dir_vector.
18398         Update the parameters of initialize_data_dependence_relation and
18399         compute_all_dependences.  Print the statistics from datadep_stats.
18400         (analyze_all_data_dependences): Static.  Not used until the pass for
18401         checking the data dependences is contributed.
18402         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18403         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18404         (initialize_data_dependence_relation, compute_affine_dependence,
18405         analyze_all_data_dependences, compute_subscript_distance): Removed.
18406         (print_direction_vector): New.
18407         * lambda.h (gcd): ... here.
18408         (lambda_vector_gcd): Moved here from gcd_vector.
18409         * lambda-code.c (gcd, gcd_vector): Removed.
18410         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
18411         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18413 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
18415         * ipa-type-escape.c: Tidy some comments and white space.
18416         * tree-ssa-operands.c: Likewise.
18418 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
18420         PR tree-opt/25879
18421         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18422         (dump_decl_name): Do not walk the decl tree chains.
18423         * tree-pass.h (TDF_CHAIN): Remove.
18425 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
18427         * Makefile.in (C): Remove
18428         (PROTO): Remove
18429         (.PHONY): Remove C and PROTO
18431 2006-02-20  Roger Sayle  <roger@eyesopen.com>
18433         PR middle-end/26236
18434         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18435         deprecated CHAR_TYPE tree code.
18437 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
18439         * configure.ac (target_list): Add install-info, dvi, html.
18440         * configure: Regenerate.
18442         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18443         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18444         treelang/Make-lang.in: Do not use double-colon rules.
18446 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
18448         * tree.h (struct tree_memory_tag): Add is_used_alone member.
18449         (TMT_USED_ALONE): New macro.
18450         * tree-pass.h (PROP_tmt_usage): New property.
18451         (TODO_update_tmt_usage): New todo.
18452         * tree-ssa-alias.c (updating_used_alone): New variable.
18453         (recalculate_used_alone): New function.
18454         (compute_may_aliases): Set updating_used_alone, call
18455         recalculate_used_alone.
18456         * tree-sra.c (pass_sra): Note that this pass destroys
18457         PROP_tmt_usage, and add TODO_update_tmt_usage.
18458         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18459         * tree-flow.h (updating_used_alone): Prototype.
18460         (recalculate_used_alone): Ditto.
18461         * passes.c (execute_todo): Add code to set updating_used_alone,
18462         and call recalculate.
18463         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18464         for clobber if used alone, and add assert to verify used_alone
18465         status.
18467 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
18469         * config/s390/s390.c (legitimize_pic_address): Assertions checking
18470         for non tls symbols added.
18471         (legitimize_address): Do nothing for PLUS expressions if one of the
18472         addends is a tls symbol reference.
18474 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
18476         PR bootstrap/25476
18478         * Makefile.in (LDFLAGS): Define from autoconf substitution.
18480         * Makefile.in (BOOTSTRAPPING): New.
18481         (quickstrap): New definition if BOOTSTRAPPING=yes.
18483         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18484         * configure.ac: Substitute all_selected_languages with the languages
18485         that were configured.  For all the other variables except
18486         lang_specs_files, include all the languages in the tree.
18487         * configure: Regenerate.
18489         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18490         if there is one.  Run the commands to run fixincludes in the same
18491         subshell.
18493         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18494         * doc/install.texi: Document exact conventions for searching target tools.
18495         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
18496         something more about building an Ada cross-compiler.  Don't list GNU Make
18497         requirements which affect all platforms.
18499 2006-02-19  Roger Sayle  <roger@eyesopen.com>
18501         PR middle-end/19543
18502         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18503         only equivalent if the have both the same mode and precision.
18505 2006-02-20  Ben Elliston  <bje@au.ibm.com>
18507         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18509 2006-02-19  Roger Sayle  <roger@eyesopen.com>
18510             Steven Bosscher  <stevenb.gcc@gmail.com>
18512         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18513         constant pool references to identify stack mode constants.
18514         * rtlanal.c (constant_pool_constant_p): New predicate to check
18515         whether operand is a floating point constant in the pool.
18516         * rtl.h (constant_pool_constant_p): Prototype here.
18517         * loop.c (scan_loop): Avoid hoisting constants from the constant
18518         pool on STACK_REGS targets.
18519         (load_mems): Likewise.
18520         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18521         loads into x87 registers expensive in terms of register pressure.
18523 2006-02-19  Roger Sayle  <roger@eyesopen.com>
18525         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18526         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18528 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
18530         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18531         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18533 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
18535         * doc/invoke.texi: Document -fipa-pta.
18536         * common.opt: Add ipa-pta option.
18537         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18538         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18539         (do_ds_constraint): Ditto.
18540         (get_constraint_for): Only add to referenced_vars if
18541         referenced_vars exists.
18542         (insert_into_field_list): Rewrite to do this unsorted.
18543         (insert_into_field_list_sorted): Rename old insert_into_field_list
18544         to this.
18545         (create_function_info_for): Use insert_into_field_list_sorted.
18546         (create_variable_info_for): Rewrite so it uses unsorted version,
18547         since the field list is sorted.
18548         (intra_create_variable_infos): Only add to referenced_vars if
18549         referenced_vars exists.
18550         (ipa_pta_execute): Init heapvars, and delete when done.
18551         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18553 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18555         * doc/install.texi: Add missing `@samp'.
18557 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
18559         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18560         Use the arguments.
18562 2006-02-18  Mark Wielaard  <mark@klomp.org>
18564         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18565         who added new 4.1 features, bug fixes and integration support.
18567 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
18569         PR target/26350
18570         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18571         MEM for ABI_V4 pic.
18573 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
18575         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18576         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18577         (copy_insn_1): Likewise.  Don't copy each field individually.
18578         Reindent.
18579         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18580         of RTX_SIZE.
18581         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18582         * rtl.c (rtx_size): Rename variable to...
18583         (rtx_code_size): ...this.
18584         (rtx_size): New function.
18585         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18586         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
18587         Reindent.
18588         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18589         * rtl.h (rtx_code_size): New variable.
18590         (rtx_size): Change from a variable to a function.
18591         (RTX_SIZE): Rename to...
18592         (RTX_CODE_SIZE): ...this.
18594         PR target/9703
18595         PR tree-optimization/17106
18596         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18597         (Anchored Addresses): New section.
18598         * doc/invoke.texi (-fsection-anchors): Document.
18599         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18600         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18601         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18602         * hooks.c (hook_bool_mode_rtx_false): New function.
18603         * hooks.h (hook_bool_mode_rtx_false): Declare.
18604         * gengtype.c (create_optional_field): New function.
18605         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18606         SYMBOL_REF_IN_BLOCK_P is true.
18607         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18608         (min_anchor_offset, max_anchor_offset): Likewise.
18609         (use_anchors_for_symbol_p): New hook.
18610         * toplev.c (compile_file): Call output_object_blocks.
18611         (target_supports_section_anchors_p): New function.
18612         (process_options): Check that -fsection-anchors is only used on
18613         targets that support it and when -funit-at-a-time is in effect.
18614         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18615         if the decl doesn't have one.
18616         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18617         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18618         of force_const_mem through use_anchored_address.
18619         (expand_expr_constant): New function.
18620         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
18621         calling expand_expr for INDIRECT_REF.
18622         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18623         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
18624         * expr.h (use_anchored_address): Declare.
18625         * loop-unroll.c: Don't declare rtx vectors here.
18626         * explow.c: Include output.h.
18627         (validize_mem): Call use_anchored_address.
18628         (use_anchored_address): New function.
18629         * common.opt (-fsection-anchors): New switch.
18630         * varasm.c (object_block_htab, anchor_labelno): New variables.
18631         (hash_section, object_block_entry_eq, object_block_entry_hash)
18632         (use_object_blocks_p, get_block_for_section, create_block_symbol)
18633         (use_blocks_for_decl_p, change_symbol_section): New functions.
18634         (get_variable_section): New function, split out from assemble_variable.
18635         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18636         use_blocks_for_decl_p say so.  Use change_symbol_section if the
18637         symbol has already been created.
18638         (assemble_variable_contents): New function, split out from...
18639         (assemble_variable): ...here.  Don't output any code for
18640         block symbols; just pass them to place_block_symbol.
18641         Use get_variable_section and assemble_variable_contents.
18642         (get_constant_alignment, get_constant_section, get_constant_size): New
18643         functions, split from output_constant_def_contents.
18644         (build_constant_desc): Create a block symbol if use_object_blocks_p
18645         says so.  Or into SYMBOL_REF_FLAGS.
18646         (assemble_constant_contents): New function, split from...
18647         (output_constant_def_contents): ...here.  Don't output any code
18648         for block symbols; just pass them to place_section_symbol.
18649         Use get_constant_section and get_constant_alignment.
18650         (force_const_mem): Create a block symbol if use_object_blocks_p and
18651         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
18652         (output_constant_pool_1): Add an explicit alignment argument.
18653         Don't switch sections here.
18654         (output_constant_pool): Adjust call to output_constant_pool_1.
18655         Switch sections here instead.  Don't output anything for block symbols;
18656         just pass them to place_block_symbol.
18657         (init_varasm_once): Initialize object_block_htab.
18658         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18659         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18660         (place_block_symbol, get_section_anchor, output_object_block)
18661         (output_object_block_htab, output_object_blocks): New functions.
18662         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18663         (TARGET_ASM_OUT): Include it.
18664         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18665         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18666         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18667         (TARGET_INITIALIZER): Include them.
18668         * rtl.c (rtl_check_failed_block_symbol): New function.
18669         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
18670         (block_symbol, object_block): New structures.
18671         (rtx_def): Add a block_symbol field to the union.
18672         (BLOCK_SYMBOL_CHECK): New macro.
18673         (rtl_check_failed_block_symbol): Declare.
18674         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18675         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18676         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18677         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18678         * output.h (output_section_symbols): Declare.
18679         (object_block): Name structure.
18680         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18681         (default_use_anchors_for_symbol_p): Declare.
18682         * Makefile.in (RTL_BASE_H): Add vec.h.
18683         (explow.o): Depend on output.h.
18684         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18685         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18686         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18687         (rs6000_use_blocks_for_constant_p): New function.
18689 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18691         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18693 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
18695         PR tree-opt/25680
18696         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18697         IMAGPART_EXPR.
18699 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
18701         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18702         is_aliased.
18703         Update all users.
18705 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
18707         PR middle-end/26334
18708         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18709         instead of DECL_REGISTER.
18711 2006-02-18  Olivier Hainque  <hainque@adacore.com>
18713         PR ada/13408
18714         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18716 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
18718         PR target/24837
18719         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18720         * opth-gen.awk: Handle Var and InverseMask together.
18721         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18722         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18723         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18724         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18725         used together.
18726         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18727         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18728         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18729         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18730         LINUX_DYNAMIC_LINKER): Define.
18731         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18732         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18733         TARGET_GLIBC.
18734         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18735         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18736         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18737         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18738         (TARGET_C99_FUNCTIONS): Don't define.
18739         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18740         GLIBC_DYNAMIC_LINKER.
18741         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18742         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18743         GLIBC_DYNAMIC_LINKER64): Define.
18744         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18745         LINUX_DYNAMIC_LINKER64.
18746         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18747         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18748         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18749         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18750         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18751         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18752         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18753         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18754         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18755         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18756         and LINUX_DYNAMIC_LINKER32.
18757         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18758         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18759         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18760         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18761         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18762         TARGET_GLIBC.
18763         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18764         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18765         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18766         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18767         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18768         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18769         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18770         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18771         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18772         LINUX_DYNAMIC_LINKER): Define.
18773         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18774         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18775         GLIBC_DYNAMIC_LINKER64): Define.
18776         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18777         LINUX_DYNAMIC_LINKER64.
18778         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18779         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18780         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18781         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18782         LINUX_DYNAMIC_LINKER): Define.
18783         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18784         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18785         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18786         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18787         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18788         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18789         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18790         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18791         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18792         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18793         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18794         * doc/invoke.texi (-muclibc): Remove caveat about supported
18795         targets.
18797 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18799         * doc/cpp.texi (__TIMESTAMP__): Document.
18801 2006-02-17  Roger Sayle  <roger@eyesopen.com>
18803         PR middle-end/25600
18804         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18805         C is one less than the width of X (and related transformations).
18806         * simplify-rtx.c (simplify_unary_operation_1): Transform
18807         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18808         depending on STORE_FLAG_VALUE, were C is one less then the
18809         width of X.
18811 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
18813         Fix PR tree-optimization/26341
18814         * tree-ssa-operands.c (add_virtual_operand): Remove assert
18815         about NAME_MEMORY_TAG's.
18817 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18819         PR target/26255
18820         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18821         with hardware float support, and software float support.  Add fcpy
18822         alternative to hardware patterns.  Add alternatives to copy between
18823         general and floating-point registers to the 32-bit pattern.
18824         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18825         secondary reload to load a QI or HI mode constant into a floating
18826         point register.
18827         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18828         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18830 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
18832         PR target/26272
18833         * config/rs6000/darwin.md (load_macho_picbase_si): Add
18834         pc to the pattern.
18835         (load_macho_picbase_di): Likewise.
18837 2006-02-16  Jeff Law  <law@redhat.com>
18839         * tree-vrp.c (set_value_range_to_nonnegative): New function.
18840         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18841         (ssa_name_nonzero_p): Likewise.
18842         (get_value_range): Return NULL if VRP is not running.
18843         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18844         VRP routines do not discover a range.
18845         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18846         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18847         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18848         (tree_expr_nonnegative_p): Similarly.
18849         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18850         (restore_nonzero_vars_to_original_value): Remove.
18851         (unsafe_associative_fp_binop): Remove.
18852         (tree_ssa_dominator_optimize): Remove initialization and
18853         finalization of nonzero_vars and nonzero_vars_stack.
18854         (dom_opt_initialize_block): No longer push marker on
18855         nonzero_vars_stack.
18856         (dom_opt_finalize_block): No longer call
18857         restore_nonzero_vars_to_original_value.
18858         (record_equivalences_from_phis): No longer look for
18859         nonzero PHI arguments.
18860         (cprop_into_successor_phis): No longer propagate nonzero
18861         property into PHI arguments.  Lose unused argument.  Caller
18862         updated.
18863         (record_equivalences_from_stmt): No longer record nonzero
18864         values for SSA_NAMEs.
18865         (lookup_avail_expr): No longer use nonzero_vars.
18867         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18868         for sizetype when sizetype is unsigned.
18870 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
18872         PR rtl-optimization/25603
18873         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18874         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18875         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18876         with new meaning of SETS.
18878 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
18880         PR target/20353
18881         PR target/24578
18882         PR target/24837
18883         * config/linux.opt: New file.
18884         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18885         LINUX_DYNAMIC_LINKER): Define.
18886         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18887         * config.gcc (*-*-linux*): Define extra_options.
18888         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18889         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18890         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18891         GLIBC_DYNAMIC_LINKER.
18892         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18893         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18894         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18895         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18896         * doc/invoke.texi (GNU/Linux Options): New section.
18898 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
18900         * config/sparc/sparc.md (setjmp): Rewrite.
18901         (setjmp_32): Delete.
18902         (setjmp_64): Likewise.
18904 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
18906         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18907          previous change.
18909 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18911         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18912         read-write uses.
18914 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18916         PR rtl-optimization/26296
18917         * Makefile.in (loop-invariant.c): Add except.h dependency.
18918         * loop-invariant.c: Include except.h.
18919         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18921 2006-02-16  Paul Brook  <paul@codesourcery.com>
18923         * reload1.c (emit_reload_insns): Invalidate dead input registers used
18924         for reloads.
18926 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
18928         PR rtl-optimization/25636
18929         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18930         when deciding whether an insn is an initializing insn.
18932 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
18934         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18935         (tree_code_size): Ditto.
18936         * tree.h (struct tree_memory_tag): Remove parent_var.
18937         (struct tree_struct_field_tag): New.
18938         (SFT_OFFSET): New.
18939         (SFT_SIZE): New.
18940         (union tree_node): Add sft member.
18941         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18942         specially here.
18943         (create_sft): Add size and offset argument, set SFT_OFFSET and
18944         SFT_SIZE.
18945         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18946         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18947         * tree-flow-inline.h (get_subvar_at): Update for
18948         SFT_OFFSET/SFT_SIZE.
18949         (var_can_have_subvars): Ditto.
18950         (overlap_subvar): Ditto.
18951         * print-tree.c (print_node): Print out interesting things for
18952         SFT's.
18953         * tree-flow.h (struct subvar): Remove offset and size members.
18954         * tree-ssa-operands.c (get_expr_operands): Update for
18955         get_indirect_ref_operands changes.
18956         (get_indirect_ref_operands): Call add_virtual_operand instead of
18957         add_stmt_operand.  Only recurse on base var if requested.
18958         (access_can_touch_variable): New function.
18959         (add_stmt_operand): Split virtual operand handling into ...
18960         (add_virtual_operand): Here.  Add offset, size, and for_clobber
18961         arguments.  Prune alias sets.
18962         (add_call_clobber_ops): Call add_virtual_operand.
18964 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
18966         PR middle-end/26300
18967         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18969         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18970         than TREE_CODE as index into omp_clause_num_ops array.
18972 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
18974         PR rtl-optimization/26184
18975         * modulo-sched.c (generate_reg_moves): Free bitmap vector
18976         uses_of_defs.
18977         * modulo-sched.c (sms_schedule): Free g_arr pointer.
18978         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18979         must_precede, must_follow and tobe_scheduled.
18981         PR other/26147
18982         * opts.c (common_handle_option): Free new_option pointer.
18983         * df-core.c (df_analyze): Free postorder pointer.
18985 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18987         * Makefile.in: Fix the examples about the use of stamps
18989 2006-02-15  Michael Matz  <matz@suse.de>
18991         PR middle-end/22275
18993         * stor-layout.c (layout_decl): Zero-width bitfields aren't
18994         influenced by maximum_field_alignment or DECL_PACKED.
18995         (update_alignment_for_field): Ditto.
18996         (place_field): Ditto.
18997         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18998         this behaviour.
19000 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
19002         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
19003         (debug_flow_info): Pass it.
19004         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
19005         * bb-reorder.c (reorder_basic_blocks): Likewise.
19006         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
19007         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
19008         * flow.c (life_analysis, recompute_reg_usage): Likewise.
19009         * gcse.c (gcse_main, bypass_jumps): Likewise.
19010         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
19011         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
19012         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
19013         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
19014         * rtl.h (dump_flow_info): Adjust prototype.
19015         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
19016         * var-tracking.c (variable_tracking_main): Likewise.
19017         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
19018         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
19019         options.
19021 2006-02-15  Marcin Dalecki <martin@dalecki.de>
19023         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
19024         construction.
19026 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
19028         PR tree-optimization/26209
19029         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
19030         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
19031         eh edges.
19032         * tree-cfg.c (replace_uses_by): Do not alter cfg.
19034 2006-02-14  Roger Sayle  <roger@eyesopen.com>
19036         PR middle-end/23670
19037         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
19038         (X,Y) and the corresponding symmetry related transformations.
19039         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
19040         (X,Y) and its symmetry related transformations.
19042 2006-02-14  Roger Sayle  <roger@eyesopen.com>
19044         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
19045         and GEU.
19047 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
19049         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
19051 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
19053         PR bootstrap/26053
19054         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
19055         support COMDAT group.
19056         * configure: Regenerate.
19058 2006-02-14  Roger Sayle  <roger@eyesopen.com>
19060         PR middle-end/26279
19061         PR middle-end/26280
19062         PR middle-end/26283
19063         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
19065 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
19067         Fix PR tree-optimization/26260
19069         * doc/invoke.texi (max-fields-for-field-sensitive): Document
19070         param.
19071         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
19072         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
19073         * tree-ssa-structalias.c (create_variable_info_for): Use
19074         MAX_FIELDS_FOR_FIELD_SENSITIVE.
19076 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
19078         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
19079         Document.
19080         * tree-ssa-loop-niter.c (number_of_iterations_ne,
19081         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
19082         of the ending condition.
19083         * tree-ssa-loop-manip.c: Include params.h.
19084         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
19085         tree_unroll_loop): New functions.
19086         * tree-pass.h (pass_loop_prefetch): Declare.
19087         * loop.c (rest_of_handle_loop_optimize): Test for
19088         -fprefetch-loop-arrays-rtl.
19089         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
19090         * timevar.def (TV_TREE_PREFETCH): New timevar.
19091         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
19092         pass_loop_prefetch): New.
19093         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
19094         (cleanup_tree_cfg_loop): Call scev_reset.
19095         * common.opt (fprefetch-loop-arrays-rtl): Add.
19096         * tree-ssa-loop-prefetch.c: New file.
19097         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
19098         (new_temp_expr_table): Initialize expr_vars.
19099         (free_temp_expr_table): Cleanup expr_vars.
19100         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
19101         expressions from being merged into one.
19102         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
19103         (struct tree_niter_desc): Add control, bound and cmp fields.
19104         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
19105         Declare.
19106         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
19107         (tree-cfgcleanup.o): Add SCEV_H dependency.
19108         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
19109         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
19111 2006-02-14  Richard Guenther  <rguenther@suse.de>
19113         PR tree-optimization/26258
19114         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
19115         in PHI argument processing.
19117 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
19119         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
19120         new expression in the requested machine mode.
19122 2006-02-13  Roger Sayle  <roger@eyesopen.com>
19124         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
19125         directly, instead let do_compare_rtx_and_jump handle this for us.
19126         * expr.c (expand_expr_real_1): Likewise.
19127         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
19128         before do_jump_by_parts_greater.
19129         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
19130         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
19132 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19134         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
19136 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
19138         PR rtl-optimization/26235
19139         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
19140         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
19141         format.
19143 2006-02-13  Jeff Law  <law@redhat.com>
19145         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
19146         TRUTH_XOR_EPR.
19148 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
19150         PR middle-end/26092
19151         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
19152         twice if decl is a builtin.  When trying again, call get_callee_fndecl
19153         first to verify it is still a builtin.
19155 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
19157         * dwarf2out.c (base_type_die): Don't add AT_name here.
19158         (subrange_type_die): Don't add AT_name here.
19159         (modified_type_die): Rearrange code flow.  Do add AT_name here.
19161 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
19163         PR rtl-optimization/26247
19164         PR rtl-optimization/26248
19165         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
19167 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
19169         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
19170         * config/fixtfdi.c: Likewise.
19171         * config/fixunstfdi.c: Likewise.
19172         * config/floatditf.c: Likewise.
19174 2006-02-13  Roger Sayle  <roger@eyesopen.com>
19176         PR middle-end/24427
19177         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
19178         into (X,C2) if C1 is a subset of the bits of C2.  Transform
19179         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
19180         (X&(C1&~C2))|C2.
19181         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
19183 2006-02-13  Josh Conner  <jconner@apple.com>
19185         PR target/25376
19186         * varasm.c (function_section): Check for section name before
19187         calling select_section on targets that define
19188         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
19189         unlikely_text_section instead of hot_function_section if
19190         first_function_block_is_cold.
19192 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
19194         PR middle-end/25335
19195         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
19197 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
19199         PR rtl-optimization/26222
19200         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
19201         after tree->rtl expansion.
19202         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
19203         before passing it to emit_move_insn.
19205 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
19207         * doc/invoke.texi (-Write-strings): Document that it is enabled by
19208         default.
19209         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
19210         Clarify documentation.
19211         * c-common.h (warn_write_strings): Remove.
19212         * c-common.c (warn_write_strings): Likewise.
19213         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
19214         default for C++.
19216 2006-02-12  Roger Sayle  <roger@eyesopen.com>
19218         PR middle-end/25724
19219         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
19220         (do_jump_parts_zero_rtx): New function renamed from
19221         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
19222         (do_jump_parts_equality_rtx): New function split out from
19223         do_jump_parts_equality.  Old implementation renamed as above.
19224         Call do_jump_parts_zero_rtx if either operand is zero.
19225         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
19226         do all of the heavy lifting.
19227         (do_compare_rtx_and_jump): Handle multi-word comparisons by
19228         calling either do_jump_by_parts_greater_rtx or
19229         do_jump_by_parts_equality_rtx.
19230         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
19231         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
19232         moved to do_compare_rtx_and_jump, call it directly.
19233         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
19234         mode argument.  Call do_compare_rtx_and_jump.
19235         (emit_case_nodes): Update calls to do_jump_if_equal.
19237 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
19239         PR rtl-optimization/26225
19240         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
19242 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
19244         PR rtl-optimization/26232
19245         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
19247 2006-02-11  Jason Merrill  <jason@redhat.com>
19249         PR tree-opt/24365
19250         * tree-inline.c (declare_return_variable): Just don't use the
19251         modify target if it's a gimple complex reg and the return slot
19252         isn't.
19254 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19256         * doc/contrib.texi: Update my entry.
19258 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
19260         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
19262 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
19264         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
19265         expensive.
19267 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
19269         * doc/invoke.texi (-floop-optimize2): Removed.
19270         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
19271         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
19272         Test flag_branch_on_count_reg only if HAVE_doloop_end.
19273         * common.opt (floop-optimize2): Removed.
19274         (fmove-loop-invariants): Enabled by default.
19276 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
19278         * tree-if-conv.c (combine_blocks): Free the result of
19279         get_loop_exit_edges.
19281 2006-02-10  Jeff Law  <law@redhat.com>
19283         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
19285         PR tree-optimization/26213
19286         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19287         loop trying to follow SSA_NAME_VALUE chains.
19289 2006-02-10  Richard Guenther  <rguenther@suse.de>
19291         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19292         deal with structures that end in implicitly variable sized arrays.
19294 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19296         PR rtl-optimization/24762
19297         * df-scan.c (df_bb_refs_record): Record correct registers defined on
19298         eh edges.
19300 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19302         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19303         (struct ivopts_data): Add regs_used field.
19304         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19305         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19306         instead of loop_data->regs_used;
19307         (free_loop_data): Do not free aux fields for loops.
19308         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19309         and tree_ssa_iv_optimize_finalize.
19311 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
19313         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19315 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
19317         PR target/26141
19318         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19319         computing the effective result type.
19321 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
19323         PR inline-asm/16194
19324         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19325         (tree_overlaps_hard_reg_set): Declare.
19326         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
19327         type and signature to match function type expected by walk_tree.
19328         (tree_overlaps_hard_reg_set): New function.
19329         (decl_conflicts_with_clobbers_p): Rename to:
19330         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
19331         Use tree_overlaps_hard_reg_set.  Changed caller.
19332         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19333         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19334         * cris.c (cris_md_asm_clobbers): Likewise.
19336 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
19338         * reload1.c (emit_input_reload_insns): Delete code that tries to
19339         inherit using find_equiv_reg.
19341 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
19343         * c-common.h (flag_const_strings): Don't declare.
19344         * c-common.c (flag_const_strings): Remove.
19345         * c.opt (fconst_strings): Remove.
19346         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19347         <OPT_Wwrite_strings>: Don't set flag_const_strings.
19348         (c_common_init_options): Don't set flag_const_strings.
19349         * doc/invoke.texi (-fno-const-strings): Remove documentation.
19351 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
19353         * arm.md (tlobits_cbranch): New pattern.
19354         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19355         testing a single bit.
19357 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19359         PR tree-opt/26179
19360         * tree-ssa-pre.c (create_component_ref_by_pieces):
19361         Handle RETURN_DECL like VAR_DECL.
19363 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19365         PR middle-end/26134
19366         * fold-const.c (fold_indirect_ref_1): Fold
19367         "*(foo *)&complexfoo" to "__real__ complexfoo"
19368         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19370 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19372         * tree-flow-inline.h (var_can_have_subvars):
19373         Volatile variables should not have subvariables.
19375 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
19377         PR 26180
19378         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19379         multiplying unsigned values.
19380         Tidy comments.
19382 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
19384         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19386 2006-02-08  Jason Merrill  <jason@redhat.com>
19388         PR c++/25979
19389         * tree.def: Elaborate on difference from MODIFY_EXPR.
19390         * doc/c-tree.texi (INIT_EXPR): Likewise.
19391         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19392         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19393         (gimplify_target_expr): Likewise.
19394         (gimplify_cond_expr): Remove target handling.
19395         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19396         (gimplify_expr): Clobber it here.
19397         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19398         Do return slot optimization if we have an INIT_EXPR.
19400         PR tree-opt/24365
19401         * tree-inline.c (declare_return_variable): Also clear
19402         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19404         PR c++/16405
19405         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19407         PR middle-end/22439
19408         * gimplify.c (gimplify_one_sizepos): Fix typo.
19410 2006-02-08  Jeff Law  <law@redhat.com>
19412         PR tree-optimization/21417
19413         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19414         across a backedge if the control statement at the end of the
19415         block is data dependent on other statements in the same block.
19416         (record_temporary_equivalences_from_stmts): Remove over-conservative
19417         test for threading across backedges.
19419         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19420         control statement, handle all three special cases in the same
19421         manner as they all have the same desired solution.  No longer
19422         special case edge flag updating when the post dominator is
19423         the exit block.
19425 2006-02-08  Roger Sayle  <roger@eyesopen.com>
19427         * tree.def (CHAR_TYPE): Remove.
19428         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19429         * dwarf2out.c (base_type_die, is_base_type): Likewise.
19430         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19431         (gen_string_type_die): Delete unreachable function.
19433         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19434         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19435         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19436         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19437         * builtins.c (type_to_class): Likewise.
19438         * fold-const.c (fold_convert, build_range_check,
19439         merge_ranges): Likewise.
19440         * expr.c (count_type_elements): Likewise.
19441         * c-pretty-print.c (pp_c_type_specifier): Likewise.
19442         * stor-layout.c (layout_type): Likewise.
19443         * ipa-type-escape.c (type_to_consider): Likewise.
19444         * gimplify.c (omp_firstprivatize_type_sizes,
19445         gimplify_type_sizes): Likewise.
19446         * explow.c (promote_mode): Likewise.
19447         * tree-sra.c (is_sra_scalar_type): Likewise.
19448         * varasm.c (output_constant): Likewise.
19449         * tree-inline.c (remap_type_1): Likewise.
19450         * convert.c (convert_to_pointer, convert_to_real,
19451         convert_to_integer, convert_to_complex): Likewise.
19453 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
19455         * df-scan.c (df_def_record_1): A set destination may
19456         be a parallel regardless of mode.
19458 2006-02-08  Roger Sayle  <roger@eyesopen.com>
19460         PR target/22209
19461         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19462         * config/mips/_tilib.c: Remove.
19463         * config/fixtfdi.c: New libgcc source file.
19464         * config/fixunstfdi.c: New source file.
19465         * config/floatditf.c: New source file.
19466         * config/floatunditf.c: New souce file.
19467         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19468         files above instead of config/mips/_tilib.c.
19469         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19471 2006-02-08  Jeff Law  <law@redhat.com>
19473         PR tree-optimization/26169
19474         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19475         threading jumps.
19477 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
19479         * df.h (DF_REG_SIZE): Return the length of the initialized
19480         part of the array.
19482 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
19484         * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19485         __muldf3): Return a correctly signed zero.
19487 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
19489         * passes.c (register_one_dump_file): Accept the current properties
19490         instead of pass number.  Adjust call to dump_register.  Remove
19491         duplicated code.
19492         (register_dump_files): Now a wrapper around...
19493         (register_dump_files_1): ... this one.  Do not modify the pass
19494         structure.
19495         (next_pass_1): Cosmetic fix.
19496         (execute_todo): Keep second parameter only.  Use curr_properties
19497         instead of fetching it from the pass structure.  Check and set
19498         last_verified.
19499         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
19500         instead of fetching it from the pass structure.  Fix calls to
19501         execute_todo.  Update curr_properties and initialize .vcg RTL dump
19502         after running the pass.  Reset last_verified.
19503         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
19504         at the beginning.
19505         (FIRST_AUTO_NUMBERED_DUMP): New.
19506         (dump_register): Remove "num" parameter, assign it within the
19507         function.
19508         (get_dump_file_name): Modify template for dumps.
19509         * tree-dump.h (dump_register): Adjust prototype.
19510         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19511         (PROP_trees): Add PROP_gimple_lomp.
19512         (TODO_set_props): New.
19513         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19514         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19515         * cfgexpand.c (pass_expand): Destroy PROP_trees.
19517 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
19519         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19520         (sparc64-*-linux*): Likewise.
19521         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19522         * config/sparc/t-linux: New file.
19523         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19524         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19525         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19526         -m32 -mlong-double-128.
19528         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19529         * config/alpha/t-linux: New file.
19530         * config/alpha/libgcc-alpha-ldbl.ver: New file.
19532         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19533         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19534         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19535         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19536         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19537         (CPP_ARCH32_SPEC): Remove.
19539 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
19541         PR tree-optimization/26145
19542         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19543         bbs pointer.
19545 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19547         PR target/26109
19548         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19549         >= 240000 when generating code for SOM runtime.
19550         (output_indirect_call): Don't use "b,l" instruction for indirect calls
19551         to $$dyncall when generating code for SOM runtime..
19553 2006-02-07  Dirk Mueller  <dmueller@suse.com>
19555         PR c++/18150
19556         * doc/invoke.texi (-Wsequence-point): Update documentation
19557         that -Wsequence-point is implemented for C++ as well.
19559 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19561         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19562         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19563         (LIB_SPEC): Likewise.
19564         * doc/invoke.texi (SPARC options): Document -pthread.
19566 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
19568         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19569         PIC addresses.
19571 2006-02-07  Roger Sayle  <roger@eyesopen.com>
19573         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19574         Correct comment describing BOOLEAN_TYPE.
19576 2006-02-07  Dirk Mueller  <dmueller@suse.com>
19578         * c.opt: C++ frontend supports -Wdiv-by-zero.
19579         * c-opts.c (c_common_handle_option): Remove dead case.
19581 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19583         * configure.ac (TLS assembler check): Do not enable TLS by
19584         default on SPARC/Solaris before version 10.
19585         * configure: Regenerate.
19587 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
19589         * doc/invoke.texi (xl-compat): Document conversion and support
19590         routine names.
19592 2006-02-07  Jeff Law  <law@redhat.com>
19594         * tree-vrp.c (find_conditional_asserts): Update comments.
19595         (simplify_stmt_for_jump_threading): New.
19596         (identify_jump_threads, finalize_jump_threads): New.
19597         (vrp_finalize): Call identify_jump_threads.
19598         (execute_vrp): Call finalize_jump_threads.
19599         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19600         (vrp_element, vrp_data, vrp_element_p): Remove.
19601         (vrp_hash_elt, vrp_variables_stack): Remove.
19602         (vrp_hash, vrp_eq, record_range): Remove.
19603         (simplify_cond_and_lookup_avail_expr): Remove.
19604         (extract_range_from_cond): Remove.
19605         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19606         (simplify_stmt_for_jump_threading): New.
19607         (dom_thread_across_edge): New wrapper.
19608         (tree_ssa_dominator_optimize): No longer initialize or
19609         finalize any of the VRP datastructures.  Remove iteration
19610         step and simplify as a result of removal of iteration step.
19611         (pass_dominator): Perform a cfg cleanup after DOM.
19612         (dom_opt_finalize_block): Use the new common routines
19613         for threading jumps.  Simplify stack management slightly.
19614         No longer need to unwind VRP state.
19615         (record_equivalences_from_incoming_edge): No longer record
19616         VRP information.
19617         (eliminate_redundant_computations): No longer call
19618         simplify_cond_and_lookup_avail_expr.
19619         * tree-flow.h (potentially_threadable_block): Prototype.
19620         (thread_across_edge): Likewise.
19621         * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19622         (tree-ssa-threadedge.o): Add dependencies.
19623         * tree-ssa-threadedge.c: New file.
19624         * passes.c (init_optimization_passes): Merge PHIs before
19625         calling VRP.  Run VRP again late in the SSA optimization pipeline.
19627 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19629         * df-core.c (df_set_blocks): Do not dereference function pointers.
19630         (df_finish1): Likewise.
19631         (df_hybrid_search_forward): Likewise.
19632         (df_hybrid_search_backward): Likewise.
19633         (df_iterative_dataflow): Likewise.
19634         (df_analyze_problem): Likewise.
19635         (df_compact_blocks): Likewise.
19636         (df_dump): Likewise.
19637         * df-scan.c (df_rescan_blocks): Likewise.
19638         (df_record_entry_block_defs): Likewise.
19640         * genconditions.c (write_conditions): Guard the definition of
19641         'insn_conditions' with the check on GCC version.
19642         (write_writer): Guard the traversal 'insn_conditions' with
19643         the check on GCC version.
19645 2006-02-07  Richard Guenther  <rguenther@suse.de>
19647         PR c++/26140
19648         Revert
19649         2006-01-30  Richard Guenther  <rguenther@suse.de>
19650         PR c++/23372
19651         * gimplify.c (gimplify_target_expr): Handle easy cases
19652         without creating a temporary.
19654 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
19656         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19657         use of float in probability computations.  Use edge probabilities
19658         in place of statically computed probabilities.
19659         (min_spec_prob): New static variable.
19660         (schedule_insns): Initialize it.
19661         (GET_SRC_PROB): Removed.
19662         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19664 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
19666         PR debug/24444
19667         * config/ia64/unwind-ia64.c: Revert last change.
19668         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19669         (INCOMING_FRAME_SP_OFFSET): Define.
19671 2006-02-06  Roger Sayle  <roger@eyesopen.com>
19673         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19675 2006-02-07  Ben Elliston  <bje@au.ibm.com>
19677         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19678         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19679         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19680         (ix86_return_in_memory): Handle TDmode.
19681         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19682         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19684 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
19686         * reorg.c (dbr_schedule): Use dump_file instead of file.
19688 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
19690         PR target/25917
19691         * config/ia64/predicates.md (extr_len_operand): New predicate.
19692         * config/ia64/ia64.md (extv): Tighten constraints.
19693         (extzv): Ditto.
19694         (*tbit_and_2): Ditto.
19695         (*tbit_and_3): Ditto.
19696         (*tbit_or_2): Ditto.
19697         (*tbit_or_3): Ditto.
19698         (*bit_zero): Ditto.
19699         (*bit_one): Ditto.
19701 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
19703         PR target/23359
19704         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19706 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
19708         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19709         loop_optimizer_init and loop_optimizer_finalize
19710         * tree-ssa-sink.c (execute_sink_code): Ditto.
19711         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19712         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19713         tree_ssa_loop_done): Ditto.
19714         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19715         * sched-ebb.c: Include output.h.
19716         (schedule_ebbs): Do not use dump argument.
19717         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19718         * loop.c (loop_dump_stream): Removed.
19719         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19720         argument.
19721         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19722         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19723         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19724         loop_iterations, strength_reduce, record_biv, record_giv,
19725         final_giv_value, check_final_value, check_ext_dependent_givs,
19726         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19727         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19728         dump_file instead of loop_dump_stream.
19729         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19730         argument dump_file.
19731         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19732         dump argument.
19733         * flow.c (life_analysis, rest_of_handle_life): Ditto.
19734         * haifa-sched.c: Include output.h
19735         (schedule_insns, sched_init): Do not use dump argument.
19736         * mode-switching.c (optimize_mode_switching): Ditto.
19737         * modulo-sched.c (stats_file): Removed.
19738         (print_node_sched_params): Do not call argument dump_file.
19739         (sms_schedule_by_order, loop_canon_p, sms_schedule,
19740         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
19741         of stats_file.
19742         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19743         use dump argument.
19744         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19745         rtl_loop_init, rtl_loop_done): Ditto.
19746         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19747         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19748         Ditto.
19749         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19750         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19751         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19752         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19753         * emit-rtl.c (renumber_insns): Ditto.
19754         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19755         expand_gimple_basic_block, tree_expand_cfg): Ditto.
19756         * regclass.c (regclass): Ditto.
19757         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19758         remove_ssa_form, rewrite_out_of_ssa): Ditto.
19759         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19760         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19761         Ditto.
19762         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19763         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19764         to regclass.
19765         * gcse.c (gcse_file, debug_stderr): Removed.
19766         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19767         rest_of_handle_gcse): Do not use dump argument.
19768         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19769         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19770         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19771         compute_code_hoist_vbeinout, compute_code_hoist_data,
19772         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19773         compute_store_table, build_store_vectors, insert_insn_start_bb,
19774         insert_store, remove_reachable_equiv_notes, replace_store_insn,
19775         store_motion): Use dump_file instead of gcse_file.
19776         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19777         * profile.c (profile_dump_file): Removed.
19778         (branch_prob): Use dump_file instead of profile_dump_file.
19779         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19780         dump_file.
19781         * tree-ssa-copy.c (dump_copy_of): Ditto.
19782         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19783         dump file to life_analysis.
19784         * bt-load.c (branch_target_load_optimize): Ditto.
19785         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19786         renumber_insns.
19787         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19788         regclass, dbr_schedule): Declaration changed.
19789         * sched-int.h (sched_init): Declaration changed.
19790         * tree-profile.c (tree_profile_dump_file): Removed.
19791         (tree_profile_hooks): Removed profile_dump_file hook.
19792         * rtl-profile (rtl_profile_dump_file): Removed.
19793         (rtl_profile_hooks): emoved profile_dump_file hook.
19794         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19795         changed.
19796         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19797         * tree-cfg.c (build_tree_cfg): Ditto.
19798         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19799         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19800         Declaration changed.
19801         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19802         life_analysis and schedule_insns.
19803         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19804         life_analysis.
19805         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19806         dbr_schedule.
19807         * config/mips/mips.c (mips_reorg): Ditto.
19808         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19809         schedule_ebbs.
19811 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
19813         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19814         (s390_mangle_fundamental_type): New.
19815         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19816         Define.
19818         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19819         (alpha_mangle_fundamental_type): New.
19820         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19821         Define.
19823         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19824         Define.
19825         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19826         Define.
19827         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19828         (sparc_mangle_fundamental_type): New.
19830 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
19832         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19833         (s390x-*-linux*): Likewise.
19834         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19835         * config/s390/t-linux: New file.
19837 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
19839         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19840         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19842 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
19844         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19845         (ANTIC_SAFE_LOADS): New macro.
19846         (find_or_generate_expression): Add prototype.
19847         (set_contains_value): Allow null set for sake of not always having
19848         to allocate ANTIC_SAFE_LOADS.
19849         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19850         Allow COMPONENT_REF too.
19851         (valid_in_set): Allow COMPONENT_REF.
19852         Check ANTIC_SAFE_LOADS too.
19853         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19854         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19855         rename.
19856         (can_PRE_operation): Add COMPONENT_REF.
19857         (create_component_ref_by_pieces): New function.
19858         (create_expression_by_pieces): Use create_component_ref_by_pieces.
19859         (insert_aux): Move AGGREGATE_TYPE_P check here.
19860         (compute_avail): Set bb local stmt uids.
19861         (pass_pre): Use TODO_update_ssa_only_virtuals.
19863 2006-02-06  Ben Elliston  <bje@au.ibm.com>
19865         * configure.ac: Unconditionally disable decimal float by default.
19866         * configure: Regenerate.
19868 2006-02-06  Ben Elliston  <bje@au.ibm.com>
19870         * read-rtl.c (read_name): Terminate reading on EOF.
19872 2006-02-06  Ben Elliston  <bje@au.ibm.com>
19874         * dfp.c (decimal_real_arithmetic): Change second argument type
19875         from int to enum tree_code. Do not always return true, but now
19876         return result of any call to decimal_do helper functions.
19877         * dfp.h (decimal_real_arithmetic): Update prototype.
19879 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
19881         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19883 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
19885         PR tree-opt/25251
19886         * tree-cfg.c (cleanup_dead_labels): Also don't remove
19887         forced labels.
19889 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
19891         * tree-vrp.c (cfg_loops): Removed.
19892         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19893         Use current_loops instead of cfg_loops.  Pass flags to
19894         loop_optimizer_init.
19895         * cfgloopmanip.c (fix_loop_structure): Update only available
19896         information.
19897         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19898         loop_optimizer_init.
19899         * modulo-sched.c (build_loops_structure): Removed.
19900         (sms_schedule): Use loop_optimizer_init.
19901         * loop-init.c (loop_optimizer_init): Use flags to determine
19902         which properties of loops to prepare.
19903         (rtl_loop_init): Pass flags to loop_optimizer_init.
19904         * tree-ssa-sink.c (execute_sink_code): Ditto.
19905         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19906         * tree-ssa-pre.c (init_pre): Ditto.
19907         * cfgloop.h (LOOPS_NORMAL): New.
19908         (loop_optimizer_init): Declaration changed.
19910 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19912         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19913         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19914         pa/t-pa.
19915         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19916         pa/t-pa.
19917         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19918         pa/x-ada.
19919         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19920         * pa/t-pa64: Delete quadlib.c rule.
19921         * pa/x-ada: Revert last change.
19922         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
19924 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
19926         PR rtl-optimization/26087
19927         * rtlanal.c (canonicalize_condition): Do not cross basic block
19928         boundaries.
19930 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
19932         PR debug/24444
19933         * config/ia64/ia64.c: Include debug.h.
19934         (MAX_ARTIFICIAL_LABEL_BYTES): New.
19935         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19936         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19937         (process_epilogue, process_set, process_for_unwind_directive):
19938         Output unwind info only if requested.  Add CFA info if requested.
19939         Add new arguments as needed.  Adjust callers.
19940         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19941         incorrect default.
19942         (DWARF2_FRAME_INFO): Define to zero.
19943         * config/ia64/unwind-ia64.c: Remove code that compensated for
19944         the CFA offset error fixed above.
19945         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19946         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19947         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19948         -funwind-tables and -fexceptions to enable frame info.
19949         (dwarf2out_frame_init): Define initial CFA even if
19950         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
19951         DWARF2_UNWIND_INFO is nonzero, not just defined.
19952         (dwarf2out_frame_finish): Output non-EH call frame info only
19953         if DWARF2_FRAME_INFO is nonzero.
19954         (convert_cfa_to_loc_list,
19955         compute_frame_pointer_to_cfa_displacement): Define even if
19956         unwind info is not supported.
19957         (gen_subprogram_die): Use the above unconditionally.  Remove
19958         legacy alternate code.
19959         * toplev.c (compile_file): Compile in call to
19960         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19961         (lang_dependent_init): Ditto for dwarf2out_frame_init.
19963 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
19964             Jakub Jelinek  <jakub@redhat.com>
19966         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19967         IBM extended float format long double as "g" on powerpc*-linux.
19969 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19971         PR target/25926
19972         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19973         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19975 2006-02-03  Jason Merrill  <jason@redhat.com>
19977         PR c++/25979
19978         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19980         PR middle-end/25977
19981         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19982         on the return slot if it's an NRV.
19984 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
19986         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19987         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19988         rewrite_use): Do not handle USE_OUTER.
19989         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19990         add_iv_outer_candidates, may_replace_final_value,
19991         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19992         (find_interesting_uses_op): Functionality of
19993         find_interesting_uses_outer_or_nonlin moved here.
19994         (find_interesting_uses_outside): Use find_interesting_uses_op.
19996 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
19998         PR target/25960
19999         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
20001 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
20002             Ulrich Weigand  <uweigand@de.ibm.com>
20004         PR target/25864
20005         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
20006         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
20007         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
20008         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
20009         and dxr fields.
20010         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
20011         (s390_rtx_costs): Use the new fields to calculate rtx costs.
20012         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
20013         Define secondary reloads for TFmode moves.
20014         (constant_modes): Add TFmode.
20015         (NR_C_MODES): Set to 8.
20016         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
20017         builtin define.
20018         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
20019         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
20020         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
20021         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
20022         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
20023         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
20024         (FPR mode macro): Add TFmode.
20025         (DSF mode macro): New.
20026         (<de>, <dee> mode attributes): Removed.
20027         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
20028         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
20029         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
20030         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
20031         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
20032         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
20033         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
20034         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
20035         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
20036         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
20037         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
20038         "*negabs<mode>2", "sqrt<mode>2"):
20039         Changed <de> to <xde>. R constraint replaced by <Rf>.
20040         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
20041         <Rf>.
20042         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
20043         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
20044         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
20045         splitters.
20046         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
20047         "extenddftf2", "extendsftf2"): New expanders.
20048         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
20049         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
20050         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
20051         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
20052         New options.
20053         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
20054         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
20055         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
20056         __floatditf): Add a GCC_4.1.0 symbol version tag.
20057         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
20058         the new options.
20060 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
20062         PR target/25377
20063         * config/i386/i386.c (ix86_function_ok_for_sibcall):
20064         Use targetm.binds_local_p instead of TREE_PUBLIC.
20066 2006-02-02  Roger Sayle  <roger@eyesopen.com>
20068         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
20069         on INTEGER_TYPEs to indicate that it denotes a character type.
20070         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
20071         signed_char_type_node, unsigned_char_type_node and char_type_node.
20072         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
20073         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
20074         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
20076 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
20077             Daniel Berlin  <dberlin@dberlin.org>
20079         * tree-tailcall.c (arg_needs_copy_p): New function.
20080         (eliminate_tail_call): Use arg_needs_copy_p.
20081         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
20082         (add_virtual_phis): New function.
20084 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
20086         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
20087         #ignore instead of #scratch for %g7 .register directive.
20089 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
20091         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
20092         object files.
20094 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
20096         * flow.c (calculate_global_regs_live): Assert that there aren't any
20097         EDGE_FAKE edges.
20099 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
20101         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
20102         what its name says.
20103         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
20104         bsi_after_labels iterator.
20105         * tree-if-conv.c (find_phi_replacement_condition,
20106         replace_phi_with_cond_modify_expr): Likewise.
20107         * tree-scalar-evolution.c (scev_const_prop): Likewise.
20108         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
20110 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
20112         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
20114 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
20116         PR 25990
20117         * tree-cfg.c (move_block_to_fn): Clear out the basic block
20118         array after growing it.
20120 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
20122         PR middle-end/24901
20123         * fold-const.c (fold_checksum_tree): Change type of buf.
20125 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
20127         * reload.c (push_secondary_reload): Initialize t_icode.
20129 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
20131         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
20132         -msoft-float -mlong-double-128 only issue a warning, but don't
20133         swich to DFmode long double.
20135 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
20137         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
20138         has a constant equivalent, iterate over equivalents for arg0,
20139         calling simplify_relational_operation and if there's a result
20140         cheaper than X, apply fold_rtx and return the result.
20142 2006-02-01  Jan Hubicka  <jh@suse.cz>
20144         * opts.c (no_unit_at_a_time_default): New global variable.
20145         (decode_options): Use it.
20146         * opts.h (no_unit_at_a_time_default): Declare.
20148 2006-02-01  Paul Brook  <paul@codesourcery.com>
20150         * function.c (assign_parm_setup_reg): Use function argument promotion
20151         rules.
20152         * expr.c (expand_expr_real_1): Use function argument promotion rules
20153         for PARM_DECLs.
20155 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
20157         * gcc.c (process_command): Change j to 'unsigned int'.
20159 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
20161         PR middle-end/26001
20162         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
20163         Use the corrected index for the character
20164         out of the string constant.
20166 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
20168         * mode-switching.c (optimize_mode_switching): Fix size
20169         allocated for bb_info[n_entities].
20171 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
20173         * gcc.c (main): Correct type that is allocated for
20174         explicit_link_files.
20176 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
20178         * config/s390/s390.c (init_alignment_context): Set
20179         ALIAS_SET_MEMORY_BARRIER on the MEM.
20180         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
20182 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
20184         PR middle-end/25933
20185         * loop-unroll.c (unroll_loop_runtime_iterations): Free
20186         dom_bbs pointer.
20187         * tree-ssa-live.c (type_var_init): Allocate bitmap after
20188         call to tpa_init.
20190 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
20192         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
20193         * regrename.c: Ditto.
20194         * tree-ssa-loop-im.c: Ditto.
20195         * tree-dump.c: Ditto.
20196         * tree-complex.c: Ditto.
20197         * genrecog.c: Ditto.
20198         * tree-ssa-threadupdate.c: Ditto.
20199         * tracer.c: Ditto.
20200         * java/class.c: Ditto.
20201         * java/jcf-parse.c: Ditto.
20202         * java/resource.c: Ditto.
20203         * java/except.c: Ditto.
20204         * java/jvspec.c: Ditto.
20205         * java/jcf-write.c: Ditto.
20206         * java/jcf-path.c: Ditto.
20207         * java/gjavah.c: Ditto.
20208         * java/zextract.c: Ditto.
20209         * java/jcf-io.c: Ditto.
20210         * java/jcf.h: Ditto.
20211         * java/buffer.c: Ditto.
20212         * java/lang.c: Ditto.
20213         * java/parse-scan.y: Ditto.
20214         * java/lex.c: Ditto.
20215         * java/lex.h: Ditto.
20216         * cfgloopmanip.c: Ditto.
20217         * postreload-gcse.c: Ditto.
20218         * tree-ssa-loop-manip.c: Ditto.
20219         * postreload.c: Ditto.
20220         * tree-ssa-loop-ch.c: Ditto.
20221         * loop.c: Ditto.
20222         * ipa-cp.c: Ditto.
20223         * cppspec.c: Ditto.
20224         * diagnostic.c: Ditto.
20225         * final.c: Ditto.
20226         * genoutput.c: Ditto.
20227         * gcc.c: Ditto.
20228         * cfghooks.c: Ditto.
20229         * cfgloopanal.c: Ditto.
20230         * objc/objc-act.c: Ditto.
20231         * gcov.c: Ditto.
20232         * genextract.c: Ditto.
20233         * genautomata.c: Ditto.
20234         * pretty-print.c: Ditto.
20235         * genemit.c: Ditto.
20236         * cgraphunit.c: Ditto.
20237         * flow.c: Ditto.
20238         * df-scan.c: Ditto.
20239         * haifa-sched.c: Ditto.
20240         * dominance.c: Ditto.
20241         * dbxout.c: Ditto.
20242         * tree-ssa-loop-ivopts.c: Ditto.
20243         * df-core.c: Ditto.
20244         * mode-switching.c: Ditto.
20245         * modulo-sched.c: Ditto.
20246         * graph.c: Ditto.
20247         * ipa-pure-const.c: Ditto.
20248         * cse.c: Ditto.
20249         * fix-header.c: Ditto.
20250         * web.c: Ditto.
20251         * tree-stdarg.c: Ditto.
20252         * ipa-utils.c: Ditto.
20253         * loop-init.c: Ditto.
20254         * ipa-inline.c: Ditto.
20255         * cfganal.c: Ditto.
20256         * global.c: Ditto.
20257         * alloc-pool.c: Ditto.
20258         * dwarf2out.c: Ditto.
20259         * opts.c: Ditto.
20260         * genattrtab.c: Ditto.
20261         * tree-ssa-loop-ivcanon.c: Ditto.
20262         * predict.c: Ditto.
20263         * timevar.c: Ditto.
20264         * lcm.c: Ditto.
20265         * fortran/gfortranspec.c: Ditto.
20266         * regmove.c: Ditto.
20267         * local-alloc.c: Ditto.
20268         * langhooks.c: Ditto.
20269         * function.c: Ditto.
20270         * tree-vectorizer.c: Ditto.
20271         * gcse.c: Ditto.
20272         * ipa-type-escape.c: Ditto.
20273         * alias.c: Ditto.
20274         * tree-if-conv.c: Ditto.
20275         * profile.c: Ditto.
20276         * ipa.c: Ditto.
20277         * tree-data-ref.c: Ditto.
20278         * loop-unroll.c: Ditto.
20279         * treelang/treetree.c: Ditto.
20280         * calls.c: Ditto.
20281         * bt-load.c: Ditto.
20282         * ggc-common.c: Ditto.
20283         * except.c: Ditto.
20284         * coverage.c: Ditto.
20285         * cselib.c: Ditto.
20286         * tree-cfgcleanup.c: Ditto.
20287         * tree-ssa-pre.c: Ditto.
20288         * cfgcleanup.c: Ditto.
20289         * loop-invariant.c: Ditto.
20290         * loop-iv.c: Ditto.
20291         * ipa-prop.c: Ditto.
20292         * print-tree.c: Ditto.
20293         * conflict.c: Ditto.
20294         * ggc-page.c: Ditto.
20295         * sched-deps.c: Ditto.
20296         * regclass.c: Ditto.
20297         * tree-object-size.c: Ditto.
20298         * combine.c: Ditto.
20299         * bb-reorder.c: Ditto.
20300         * resource.c: Ditto.
20301         * var-tracking.c: Ditto.
20302         * cfgloop.c: Ditto.
20303         * df-problems.c: Ditto.
20304         * reg-stack.c: Ditto.
20305         * tlink.c: Ditto.
20306         * gccspec.c: Ditto.
20307         * sched-rgn.c: Ditto.
20308         * tree-ssa-structalias.c: Ditto.
20309         * tree-ssa-reassoc.c: Ditto.
20310         * config/darwin-c.c: Ditto.
20311         * config/darwin.c: Ditto.
20312         * config/arm/arm.c: Ditto.
20313         * cfgrtl.c: Ditto.
20314         * collect2.c: Ditto.
20315         * reload1.c: Ditto.
20317 2006-01-31  Nicolas Pitre  <nico@cam.org>
20319         * arm.md (smaxsi3): Make aware of smax_m1.
20320         (smax_m1): New.
20322 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
20324         * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20326 2006-01-31  Richard Guenther  <rguenther@suse.de>
20328         * doc/invoke.texi (-msselibm): Document.
20329         * target.h (expand_library_builtin): New target hook.
20330         * builtins.c (expand_builtin): Use expand_library_builtin.
20331         (default_expand_library_builtin): New function.
20332         * gcc.c (LINK_GCC_MATH_SPEC): Define.
20333         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20334         (link_gcc_math_spec): Declare.
20335         (static_specs): Add link_gcc_math_spec.
20336         * expr.h (default_expand_library_builtin): Declare.
20337         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20338         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20339         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20340         * config/i386/i386.opt (msselibm): New target option.
20341         * config/i386/i386.c (ix86_builtin_function_variants): New array.
20342         (ix86_init_sse_abi_builtins): New function.
20343         (ix86_expand_library_builtin): Likewise.
20344         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20345         (override_options): Handle error conditions wrt -msselibm.
20346         (ix86_builtins): Add function codes for SSE2 ABI builtins.
20347         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20348         * doc/extend.texi (__builtin_sse2_*): Document new target specific
20349         builtins.
20351 2006-01-31  Richard Guenther  <rguenther@suse.de>
20352         Paolo Bonzini  <bonzini@gnu.org>
20354         * doc/install.texi (--disable-libgcc-math): Document.
20356 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
20358         * expr.h (expand_normal): new inline function.
20359         * builtins.c: use it, use EXPAND_NORMAL explicitely.
20360         * dojump.c: use it.
20361         * dwarf2out.c: use it.
20362         * expr.c: use it.
20363         * calls.c: use it.
20364         * expmed.c: use it.
20365         * except.c: use it.
20366         * config/sparc/sparc.c: use it.
20367         * config/i386/i386.c: use it.
20368         * config/rs6000/rs6000.c: use it.
20369         * config/arm/arm.c: use it.
20370         * config/mips/mips.c: use it.
20371         * stmt.c: use it, use EXPAND_NORMAL explicitely.
20373 2006-01-30  Roger Sayle  <roger@eyesopen.com>
20375         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20376         argv to the appropriate type.
20378 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
20380         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20381         unreachable code.
20383 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
20385         PR target/26018
20386         * config/s390/s390.c (struct machine_function): New flag
20387         decomposed_literal_pool_addresses_ok_p.
20388         (s390_reorg): Set it before final stage of literal pool transforms.
20389         (s390_decompose_address): Only accept displacements of the form
20390         (minus (label_ref ...) (label_ref ...)) if that flag is set.
20392 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
20394         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20395         the comparison routine return.
20397 2006-01-30  Michael Matz  <matz@suse.de>
20399         * global.c (find_reg): Only evict for global regs.
20400         Take n_refs into account and dump more info.
20402 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
20404         PR target/14798:
20405         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20406         (pragma_trap, pragma_nosave_low_regs): Likewise.
20407         (current_function_anonymous_args): Likewise.
20408         (sh_deferred_function_attributes): New variable.
20409         (sh_deferred_function_attributes_tail): Likewise.
20410         (print_operand): For '@', look up trap_exit attribute.
20411         (calc_live_regs): Look up trapa_handler attribute.  For trapa
20412         handlers, save/restore fpscr, but don't do any other
20413         interrupt-specific saves.
20414         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20415         Fix check for partially saved registers to check for SHmedia.
20416         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20417         (sh_output_function_epilogue): Don't clear any of the removed
20418         variables.
20419         (sh_insert_attributes): Don't check pragma_interrupt.
20420         Insert deferred attributes.  Check that interrupt attribute is
20421         present for other attributes that require its presence.
20422         (sh_attribute_table): Add new attributes trapa_handler and
20423         nosave_low_regs.
20424         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20425         Don't check for pragma_interrupt.  Don't store argument.
20426         * sh.h (pragma_interrupt, sp_switch): Don't declare.
20427         (sh_deferred_function_attributes): Declare.
20428         (sh_deferred_function_attributes_tail): Likewise.
20429         * sh.md (sp_switch_1): Add operand.  Change generator caller.
20430         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20431         (*return_i): Don't use when trap_exit attribute is in effect.
20432         (*return_trapa): New insn pattern.
20433         * sh-c.c: New file.
20434         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20435         setting c_target_objs and cxx_target_objs.
20436         * t-sh: Add rule for sh-c.o.
20438 2006-01-30  Richard Guenther  <rguenther@suse.de>
20440         PR c++/23372
20441         * gimplify.c (gimplify_target_expr): Handle easy cases
20442         without creating a temporary.
20444 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
20446         * vec.h (safe_grow): Remove duplicated line.
20448 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
20450         PR 25874
20451         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20452         (expand_omp): ... here.
20453         (expand_omp_parallel): Only remove barriers for combined
20454         parallel+workshare constructs.
20456 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
20458         Revert
20460         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
20461         * tree.c (build_qualified_type): Chain the new type to the original
20462         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20463         a POINTER_TYPE or a REFERENCE_TYPE respectively.
20464         (build_pointer_type_for_mode): Only return unqualified types.
20465         (build_reference_type_for_mode): Likewise.
20467 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
20469         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20470         * Makefile.in (CXX_COMPAT_WARN): Define.
20471         * configure: Regenerate.
20473 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
20475         PR tree-opt/25911
20476         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20477         to an if check.
20479 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20481         * toplev.c: Fix thinko.
20483 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20484             Marcin Dalecki  <martin@dalecki.de>
20486         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20487         (push_srcloc): Use XNEW.
20488         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20490 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
20492         * df-core.c (df_set_blocks): Deleted all variable.
20494 2006-01-28  Ian Lance Taylor  <ian@airs.com>
20496         * cgraphunit.c (cgraph_assemble_pending_functions): Call
20497         cgraph_output_pending_asms.
20499 2006-01-28  Zack Weinberg  <zackw@panix.com>
20501         * c.opt: Add -W(no-)overlength-strings.
20502         * doc/invoke.texi: Document it.
20503         * c-opts.c (c_common_handle_option): -pedantic implies
20504         -Woverlength-strings, if not explicitly disabled already.
20505         (c_common_post_options): -Woverlength-strings defaults to off, and
20506         is always off for C++.
20507         * c-common.c (fix_string_type): Issue warning about strings longer
20508         than is portable only if warn_overlength_strings.  Rearrange code
20509         a little for clarity.
20510         * configure.in: Check for -Wno-overlength-strings as well before
20511         enabling -pedantic in stage 1.
20512         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20513         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20515         * genconditions.c (write_header, write_one_condition)
20516         (write_conditions, write_writer): Consolidate very long strings
20517         that were broken up to fit in C89 portable limit.  Don't use
20518         printf when fputs will do.
20520 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
20522         * combine.c (simplify_comparison <AND>): Check
20523         TRULY_NOOP_TRUNCATION before start using a subreg.
20525         * config/mips/mips.md (*branch_zero<mode>,
20526         *branch_zero<mode>_inverted, *branch_equality<mode>,
20527         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20528         Remove mode check from comparisons.
20530 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
20532         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20534 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
20536         * expmed.c (const_mult_add_overflow_p): Remove.
20537         * expr.h: Remove the prototype for const_mult_add_overflow_p.
20539         * recog.c (validate_replace_rtx_subexp): Remove.
20540         * recog.h: Remove the prototype for
20541         validate_replace_rtx_subexp.
20543         * integrate.h: Remove the prototype for
20544         copy_decl_for_inlining.
20545         * rtl.h: Remove the prototype for mark_constant_function.
20546         * tree-vectorizer.h: Remove the prototype for
20547         vect_strip_conversion.
20549         * modulo-sched.c (create_partial_schedule,
20550         free_partial_schedule, reset_partial_schedule): Make them
20551         static.
20553         * hooks.c (hook_bool_rtx_int_false): Remove.
20554         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20556 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
20558         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20559         and -mlong-double-128 are incompatible.
20560         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20561         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20562         (TARGET_LIBGCC2_CFLAGS): Define.
20563         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20564         (TARGET_LIBGCC2_CFLAGS): Same.
20565         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20567 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
20569         PR c/19606.
20570         * c-typeck.c (build_binary_op): Perform implicit casts of
20571         operands before shortening them.
20573         * cfgloopmanip.c (split_loop_bb): Remove.
20574         * cfgloop.h: Remove the prototype for split_loop_bb.
20576         * cfgloop.c (flow_loop_outside_edge_p): Remove.
20577         * cfgloop.h: Remove the prototype for
20578         flow_loop_outside_edge_p.
20580         * emit-rtl.c (init_virtual_regs): Make it static.
20581         * function.h: Remove the prototype for init_virtual_regs.
20583         * recog.c (peephole2_optimize): Make it static.
20584         * recog.h: Remove the prototype for peephole2_optimize.
20586 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20588         * df-scan.c (df_record_entry_block_defs): Check if
20589         INCOMING_RETURN_ADDR_RTX is defined.
20591 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
20592             Kenneth Zadeck <zadeck@naturalbridge.com>
20594         PR rtl-optimization/24762
20595         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20596         * targhooks.c (hook_void_bitmap): New hook prototype.
20597         * targhoohs.h (hook_void_bitmap): Ditto.
20598         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20599         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20600         * target.h (live_on_entry): New function pointer.
20601         * df-scan.c (df_all_hard_regs): Removed.
20602         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20603         (df_scan_free_internal): Added df->entry_block_defs.
20604         (df_scan_alloc): Ditto.
20605         (df_scan_dump): Ditto.
20606         (df_uses_record): Plumbed flag field properly thru calls.
20607         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20608         This part fixes PR24762.
20609         (df_bb_refs_record): Added code to make the frame and arg
20610         pointers live in EH blocks.
20611         (df_refs_record): Added call to df_record_entry_block_defs.
20612         (df_record_entry_block_defs): New function.
20613         * df-core.c: Added comments to describe new artifical defs.
20614         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20615         (entry_block_defs): New field in struct df.
20616         (df_all_hard_regs): Deleted.
20617         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20618         * df-problems.c (df_ru_bb_local_compute_process_def):
20619         Added code to handle artifical defs in the entry to a function.
20620         (df_ru_bb_local_compute): Ditto.
20621         (df_rd_bb_local_compute_process_def): Ditto.
20622         (df_rd_bb_local_compute): Ditto.
20623         (df_lr_bb_local_compute): Ditto.
20624         (df_ur_bb_local_compute): Ditto.
20625         (df_urec_bb_local_compute): Ditto.
20626         (df_chain_create_bb): Ditto.
20627         (df_ur_local_finalize): Removed entry.
20628         (df_urec_init): Ditto.
20629         (df_urec_local_finalize): Ditto.
20630         (df_ri_bb_compute): Added detection of last use of pseudos.
20631         * Makefile.in (df-scan.o): Updated dependencies.
20632         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20633         * config/mips/mips.c (mips_set_live_on_entry): Added.
20634         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20635         for target hook.
20636         * dce.c (marked_insn_p): Added code to handle artifical defs.
20638 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20640         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20641         intrinsic.
20642         (_mm_cvtsi128_si64): Likewise.
20643         (_mm_cvtsd_si64): Likewise.
20644         (_mm_cvttsd_si64): Likewise.
20645         (_mm_cvtsi64_sd): Likewise.
20646         (_mm_cvtsi64_si128): Likewise.
20647         * config/i386/mmintrin.h (_m_from_int64): Likewise.
20648         (_mm_cvtsi64_m64): Likewise.
20649         (_m_to_int64): Likewise.
20650         (_mm_cvtm64_si64): Likewise.
20651         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20652         (_mm_cvttss_si64): Likewise.
20653         (_mm_cvtsi64_ss): Likewise.
20654         (_mm_cvtss_f32): Likewise.
20656 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
20658         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20659         for pragma redefine_extname.
20661 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
20663         PR target/25864
20664         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20665         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20666         -mno-minimal-toc to previous content.
20667         (bispecs): Remove goal.
20668         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20669         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20670         compatibility aliases on powerpc-*-*gnu*.
20671         * config/rs6000/libgcc-ppc-glibc.ver: New file.
20672         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20673         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20674         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20675         (ldblspecs): New goal.
20676         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20677         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20678         _df_to_tf.
20679         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20680         L_sf_to_tf or L_df_to_tf is defined.
20682 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
20683             Alan Modra  <amodra@bigpond.net.au>
20685         PR target/25864
20686         * config/rs6000/linux.h (POWERPC_LINUX): Define.
20687         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20688         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20689         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20690         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20691         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20692         (rs6000_override_options): Initialize rs6000_ieeequad.
20693         Initialize TFmode format to ibm_extended_format if not
20694         TARGET_IEEEQUAD.
20695         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20696         ieeelongdouble.
20697         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20698         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20699         (function_arg_advance): IBM long double passed in two FPRs, not
20700         split.
20701         (function_arg): IBM long double passed in FPRs.
20702         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20703         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20704         Only multireg GPR aligned.
20705         (rs6000_init_libfuncs): Enable IBM long double functions if not
20706         IEEEQUAD.
20707         (rs6000_generate_compare): Use IBM long double compare if not
20708         TARGET_IEEEQUAD.
20709         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20710         (TARGET_IEEEQUAD): Define.
20711         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20712         not TARGET_IEEEQUAD.
20713         * config/rs6000/rs6000.md: Enable TFmode patterns if
20714         !TARGET_IEEEQUAD.
20715         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20716         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20717         and -mlong-double-128 are incompatible.
20718         * doc/invoke.texi (-mabi): Collect options together.  Add
20719         ibmlongdouble and ieeelongdouble.
20721 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
20723         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20724         opaque type.
20725         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20726         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20727         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20728         * rtl.h (rtunion_def): Remove rt_ptr.
20729         (X0PTR): Delete.
20730         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20731         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20732         * config/i386/winnt.c (i386_pe_mark_dllexport)
20733         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20735 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20737         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20739 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
20741         PR other/24829
20742         PR target/24831
20743         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20744         pthread_key_delete.  From John David Anglin.  gthrw-ify
20745         pthread_getunique_np only if it it's not a macro.  Delete
20746         UNUSED macro.
20747         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20748         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20749         __gthread_objc_condition_signal, __gthread_key_delete): Add
20750         "__attribute__ ((__unused__))" to unused arguments.
20751         (__gthread_recursive_mutex_init_function): Add missing return.
20752         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20753         gthr-posix95.h: Use macro-based approach for name redirection
20754         on targets missing weakref.
20756 2006-01-26  Zack Weinberg  <zackw@panix.com>
20758         * genconditions.c (write_header): In generated code, #ifdef out
20759         all includes and fake declarations, except includes of bconfig.h
20760         and system.h, unless GCC_VERSION >= 3001.  Do not include
20761         gensupport.h in any case.
20762         (write_conditions): Generate a definition of struct c_test.  Add
20763         a comment to the generated #endif.
20764         (write_one_condition): Escape backslashes in string too.
20765         (write_writer): Generated code must escape backslashes and quote
20766         marks (but not newlines) in the strings it writes.
20767         * Makefile.in (build/gencondmd.o): Update dependencies.
20769 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
20771         PR target/25961
20772         * Makefile.in (insn-automata.o): Add header file dependencies.
20773         * genautomata.c: Add includes.
20775 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
20777         PR target/25961
20778         * Makefile.in (insn-automata.o): Add -Wno-error flag.
20780 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
20782         * configure.ac: Expect target tools paths to be passed from the toplevel
20783         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
20784         AS_SET_VAR_IF.
20785         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20787 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
20789         PR c/25892
20790         * c.opt (Wpointer-sign): Init to -1.
20791         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20792         OPT_pedantic, to 0 otherwise.
20793         * doc/invoke.texi: Update.
20795 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
20797         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20798         constants provided by 80387 instructions in the destination mode.
20800 2006-01-26  Richard Guenther  <rguenther@suse.de>
20801             Andrew Pinski  <pinskia@physics.uc.edu>
20803         PR tree-opt/21470
20804         partial PR tree-opt/17064
20805         * tree-ssa-structalias.c (intra_create_variable_infos):
20806         Create heap variables for incoming parameters if
20807         flag_argument_noalias > 1.
20808         (find_what_p_points_to): Look through default defs of
20809         parameter decls.
20811 2006-01-26  Jeff Law  <law@redhat.com>
20813         PR ada/25900
20814         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20815         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20816         within the VR_RANGE, use the VR_RANGE as the result, not the
20817         VR_ANTI_RANGE.
20818         (adjust_range_with_scev): Reject ranges from SCEV which are out of
20819         bounds for the type.
20821 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
20823         * tree-ssa-alias.c (maybe_create_global_var): Change
20824         subvar walking to an assertion that we don't have subvar'd variables.
20826 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
20828         PR C/25861
20829         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20830         Use a new variable, inner.  PARM_DECLs are always non-weak.
20832 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
20834         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20835         --disable-checking.
20837 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
20839         * config/mips/mips.md (*clear_upper32): New combiner pattern.
20841 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
20843         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20844         (smax_insn, smin_insn, smax_0, smin_0): New.
20846 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
20848         PR target/25947
20849         * config/cris/cris.c (cris_order_for_addsi3): New function.
20850         * config/cris/cris-protos.h: Prototype it.
20851         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20852         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20853         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20854         (split for "op.S1 [rx=rx+i],ry (swapped)")
20855         (split for "op(s|u).S1 [rx=rx+i],ry")
20856         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20857         Apply cris_order_for_addsi3 when generating addsi3 insns.
20859 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
20861         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20862         (TREE_BLOCK): Add call to EXPR_CHECK.
20864 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
20866         PR 25886
20867         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20868         * tree-pretty-print.c (dump_omp_clause): Extract from ...
20869         (dump_omp_clauses): ... here.
20870         (dump_generic_node): Handle OMP_CLAUSE.
20871         * tree.c (omp_clause_num_ops): New.
20872         (omp_clause_code_name): New.
20873         (tree_code_size): Handle OMP_CLAUSE.
20874         (tree_size): Likewise.
20875         (make_node): Document handling of OMP_CLAUSE.
20876         (tree_node_structure): Handle OMP_CLAUSE.
20877         (omp_clause_check_failed): New.
20878         (omp_clause_range_check_failed): New.
20879         (omp_clause_operand_check_failed): New.
20880         (build_omp_clause): New.
20881         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20882         * tree.h (enum omp_clause_code): Declare.
20883         (OMP_CLAUSE_SUBCODE_CHECK): Define.
20884         (OMP_CLAUSE_RANGE_CHECK): Define.
20885         (OMP_CLAUSE_ELT_CHECK): Define.
20886         (omp_clause_check_failed): Declare.
20887         (omp_clause_operand_check_failed): Declare.
20888         (omp_clause_range_check_failed): Declare.
20889         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20890         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20891         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20892         (OMP_CLAUSE_LASTPRIVATE): Likewise.
20893         (OMP_CLAUSE_IF_EXPR): Likewise.
20894         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20895         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20896         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20897         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20898         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20899         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20900         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20901         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20902         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20903         (OMP_CLAUSE_CODE): Define.
20904         (OMP_CLAUSE_SET_CODE): Define.
20905         (OMP_CLAUSE_CODE): Define.
20906         (OMP_CLAUSE_OPERAND): Define.
20907         (struct tree_omp_clause): Declare.
20908         (union tree_node): Add field 'omp_clause'.
20909         * treestruct.def (TS_OMP_CLAUSE): Define.
20910         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20911         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20912         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20913         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20914         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20915         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20916         (OMP_CLAUSE): Define.
20917         * print-tree.c (print_node): Handle OMP_CLAUSE.
20918         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20919         * c-typeck.c: Likewise.
20920         * gimplify.c: Likewise.
20921         * c-omp.c: Likewise.
20922         * tree-nested.c: Likewise.
20923         * tree-inline.c: Likewise.
20924         * c-parser.c: Likewise.
20925         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20926         clauses.
20928 2006-01-25  Roger Sayle  <roger@eyesopen.com>
20930         PR rtl-optimization/25703
20931         * combine.c (try_combine): Handle zero_extract and strict_low_part
20932         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20934 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
20936         * global.c: Fix comment typos.
20938 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
20940         PR target/25758
20941         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20942         Use output_addr_const instead of assemble_name.
20944 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
20946         * Makefile.in (sched-vis.o): Update dependencies.
20947         * haifa-sched.c (sched_finish): Clear current_sched_info.
20948         * cfg.c (dump_bb_info): New, split from dump_flow_info.
20949         (dump_flow_info): Call it.
20950         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20951         a slim RTL dump.
20952         * basic-block.h (dump_bb_info): Declare.
20953         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20954         option, and apply options only for dump files whose TDF_RTL,
20955         TDF_TREE, or TDF_IPA bits match.
20956         * rtl.h: Declare new functions exported from sched-vis.c.
20957         * sched-vis.c: Enable also if scheduling is not used.
20958         (print_value): Print the mode of registers if not inside scheduling.
20959         (print_insn): Make it work outside the scheduler.  Beautify the output
20960         a bit.
20961         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20963 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
20965         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20966         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20967         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20968         depending on the value of CONSTANT_POOL_ADDRESS_P.
20969         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20970         SYMBOL_REF_DECL.
20971         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20972         rather than SYMBOL_REF_DECL.
20973         (rtx_constant_pool): Remove const_rtx_sym_htab.
20974         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20975         (init_varasm_status): Don't initialize const_rtx_sym_htab.
20976         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20977         Remove handling of const_rtx_sym_htab.
20978         (find_pool_constant): Delete.
20979         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20980         rather than find_pool_constant.
20981         (get_pool_constant_for_function): Delete.
20982         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20983         find_pool_constant.
20984         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20985         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20986         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20987         (SYMBOL_REF_CONSTANT): New macro.
20988         (get_pool_constant_for_function): Delete.
20989         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20990         rather than SYMBOL_REF_DECL.
20991         (i386_pe_mark_dllimport): Likewise.
20992         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20993         rather than SYMBOL_REF_DECL.
20994         * config/darwin.c (machopic_indirect_data_reference): Likewise.
20995         (machopic_indirect_call_target): Likewise.
20997 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
20999         * flow.c (delete_noop_moves): Add missing EOL to dump message.
21001 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
21003         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
21005 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
21007         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
21009 2006-01-24  David Daney  <ddaney@avtrex.com>
21011         PR java/25816
21012         * configure.ac (enable_tls): New enable option.
21013         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
21014         * configure: Regenerate.
21015         * doc/install.texi (--enable-tls): Document new option.
21016         (--disable-tls): Ditto.
21018 2006-01-24  Richard Henderson  <rth@redehat.com>
21020         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
21021         * alias.c (true_dependence): Respect it.
21022         (canon_true_dependence, write_dependence_p): Likewise.
21023         * builtins.c (get_builtin_sync_mem): Set it.
21025 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
21027         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
21028         efficient way.
21030 2006-01-24  DJ Delorie  <dj@redhat.com>
21032         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
21033         for storing constants in single-bit bitfields.
21035 2006-01-25  Ben Elliston  <bje@au.ibm.com>
21037         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
21039 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
21041         PR tree-opt/25860
21042         * tree-ssa-pre.c (phi_translate): Return NULL
21043         for AGGREGATE_TYPE's.
21045 2006-01-24  Zack Weinberg  <zackw@panix.com>
21047         * genautomata.c (process_state_for_insn_equiv_partition):
21048         Use xcalloc for insn_arcs_array.
21049         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
21050         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
21052 2006-01-24  Richard Henderson  <rth@redhat.com>
21054         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
21055         update all callers.
21057 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
21059         PR rtl-optimization/25890
21060         PR rtl-optimization/25905
21061         * combine.c (expand_compound_operation, expand_field_assignment):
21062         Fail if the bitfield's final position is out of bounds.
21064 2006-01-24  Ian Lance Taylor  <ian@airs.com>
21066         PR middle-end/25930
21067         * cgraphunit.c (cgraph_output_in_order): Don't clear
21068         cgraph_asm_nodes until after asm strings have been output.
21070 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
21072         * fix-header.c (read_scan_file): Add new parameter imultilib when
21073         calling register_include_chains.
21075 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
21077         * omp-low.c: Update documentation.
21079 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
21080             Daniel Berlin  <dberlin@dberlin.org>
21082         PR tree-opt/25315
21083         PR tree-opt/25857
21084         * tree-ssa-pre.c (insert_extra_phis): If an incoming edge is abnormal
21085         return from the function.
21087 2006-01-22  Zack Weinberg  <zackw@panix.com>
21089         * rtl.def (match_code): Add second argument.
21090         * genpreds.c (write_extract_subexp): New function.
21091         (write_match_code): Add path argument.  Use write_extract_subexp.
21092         (write_predicate_expr): Pass path to write_match_code.
21093         (mark_mode_tests): MATCH_CODE applied to a subexpression does
21094         not perform a mode test.
21095         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
21096         a subexpression does not constrain the top-level code set.
21097         * read-rtl.c (read_rtx_variadic): New function.
21098         (read_rtx_1): Use it; allow AND and IOR to be variadic.
21099         * doc/md.texi: Document new notation.
21100         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
21101         (cmpsi_operand): ... here, using new notation.
21103 2006-01-22  Zack Weinberg  <zackw@panix.com>
21105         * varray.c: Remove GENERATOR_FILE #ifdefs.
21107 2006-01-22  Zack Weinberg  <zackw@panix.com>
21109         * genautomata.c (output_reserved_units_table): Emit nothing if
21110         description->query_units_num is zero.  Remove extra blank line.
21111         (output_cpu_unit_reservation_p): Short circuit
21112         if description->query_units_num is zero.
21114 2006-01-22  Zack Weinberg  <zackw@panix.com>
21116         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
21117         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
21118         nor any of the random handful of variables that used to be necessary
21119         when this program was linked with rtlanal.o.  Prune set of forward
21120         function declarations.
21121         (struct attr_desc): Remove static_p field.
21122         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
21123         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
21124         (attr_string): Do not read the character one past the length of
21125         the string.
21126         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
21127         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
21128         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
21129         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
21130         (make_automaton_attrs): New.
21131         (main): Do not call into genautomata.  Call local gen_bypass
21132         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
21133         Remove special case for insn_alts.
21134         * genautomata.c: Include gensupport.h; not genattrtab.h nor
21135         varray.h (leftover from previous change).  Prune set of forward
21136         function declarations.  Remove state_alts fields from all
21137         structures.  Remove state_alts_table from struct automaton.
21138         Make everything except main static.  Do not maintain num_dfa_decls.
21139         Do not maintain state_alts fields of various structures.
21140         (process_decls): Don't validate condexp for dm_insn_reserv decls.
21141         (add_arc): Remove state_alts argument.  All callers updated.
21142         (output_reserved_units_table): Emit #ifdef here...
21143         (output_tables): ...not here.  Don't generate state_alts tables.
21144         (expand_automata): Don't generate attributes.
21145         (write_automata): Don't generate state_alts functions.
21146         (main): New function.
21147         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
21148         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
21149         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
21150         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
21151         (BYPASS_P_FUNC_NAME, output_state_alts_table)
21152         (output_automata_list_state_alts_code, output_internal_state_alts_func)
21153         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
21154         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
21155         Delete.
21156         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
21157         * genattrtab.h: Delete file.
21158         * Makefile.in (OBJS-common): Add insn-automata.o.
21159         (insn-automata.o): New rule.
21160         (simple_generated_c): Add insn-automata.c.
21161         (build/genattrtab.o, build/genautomata.o): Update dependencies.
21162         (genprogmd): Add automata.
21163         (build/genattrtab): Needs no extra objects nor libraries.
21164         (build/genautomata): Needs build/vec.o and -lm.
21166 2006-01-22  Zack Weinberg  <zackw@panix.com>
21168         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
21169         (output_dfa_max_issue_rate, locked_states_num): Delete.
21170         (struct automaton): Add locked_states field.
21171         (output_dead_lock_vect): Save number of locked states in
21172         automaton->locked_states.  If it is zero, don't print anything.
21173         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
21174         (output_internal_dead_lock_func): Only test the dead_lock_vect
21175         for automata that have locked states.
21176         (output_statistics): Always print the number of locked states for
21177         each automaton.  Calculate total number of locked states here.
21178         (write_automata): Don't call output_dfa_max_issue_rate.
21179         * genattrtab.c: Define length_unit_log as a const variable.
21180         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
21181         max_insn_queue_index const.
21182         * final.c (length_unit_log): Declare const.
21183         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
21185 2006-01-22  Zack Weinberg  <zackw@panix.com>
21187         * genautomata.c: Include vec.h, not varray.h.
21188         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
21189         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
21190         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
21191         VEC_* macros operating on appropriately typed vectors, or to
21192         malloced arrays when the size is known in advance.  Const-ify
21193         many char* variables and function arguments.  No functional changes.
21194         * Makefile.in (build/varray.o): Delete rule.
21195         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
21196         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
21198 2006-01-22  Zack Weinberg  <zackw@panix.com>
21200         * gensupport.c: Define get_insn_name and record_insn_name here.
21201         (read_md_rtx): Call record_insn_name as appropriate.
21202         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
21203         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
21204         * genpreds.c, genrecog.c: Don't define get_insn_name nor
21205         record_insn_name.
21206         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
21207         (BUILD_VARRAY): Delete.
21208         (genprognormal): Rename genprogmd.  Fold in all programs from
21209         genprognoprint; also attrtab.
21210         (build/genattrtab): Just mention genautomata.o and varray.o.
21211         Reorganize a bit, add comments to make the categories clearer.
21213 2006-01-22  Zack Weinberg  <zackw@panix.com>
21215         * genconditions.c (condition_table, add_condition): Delete.
21216         (write_conditions): Don't emit n_insn_conditions nor
21217         insn_elision_unavailable.  Issue the gcc version #ifdef here,
21218         inside the table, with no #else clause ...
21219         (write_header): ...not here.
21220         (write_writer): New function.
21221         (main): Don't initialize condition_table.  Use add_c_test.
21222         Call write_writer.
21223         * gensupport.c (init_md_reader_args_cb): Handle multiple input
21224         files on the command line.
21225         (maybe_eval_c_test): Don't check insn_elision_unavailable.
21226         Return -1 if there is no entry in the table, don't abort.
21227         (add_c_test, traverse_c_tests): New functions.
21228         * gensupport.h (insn_elision_unavailable, insn_conditions)
21229         (n_insn_conditions): Delete declarations.
21230         (add_c_test, traverse_c_tests): Declare.
21231         * read-rtl.c: Include gensupport.h.
21232         (read_conditions): New function.
21233         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
21234         (read_rtx_1): If we get EOF when we were looking for an initial
21235         open paren, return 0.  Call read_conditions when appropriate.
21236         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
21237         dummy-conditions.o.  Eliminate references to insn-conditions.o,
21238         or change them to build/gencondmd.o, as appropriate.  Remove
21239         insn-constants.h from $(simple_generated_h) and insn-conditions.c
21240         from $(simple_generated_c).  For all files remaining in those
21241         two lists, add insn-conditions.md to the generator command line.
21242         Give insn-constants.h/s-constants their own rules.  Add rules
21243         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
21244         (build/read-rtl.o): Depend on gensupport.h.
21245         (genprognormal): Include preds.
21246         (genprogearly): Rename genprognoprint; only difference is now that
21247         they don't link with $(BUILD_PRINT).
21248         * dummy-conditions.c: Delete.
21250 2006-01-22  Zack Weinberg  <zackw@panix.com>
21252         * genextract.c: Don't include insn-config.h.  Do include vec.h.
21253         Declare vectors of int, char, and locstr.
21254         (locstr): New typedef.
21255         (struct extraction): Make all array fields into bare pointers.
21256         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
21257         (insn_code_number): Delete.
21258         (accum_extract): New struct.
21259         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
21260         (gen_insn): Take insn_code_number as an argument.  Use an
21261         accum_extract structure instead of loading data directly into
21262         a struct extraction, and having to know how big it might get.
21263         (walk_rtx): Operate entirely on an accum_extract structure.
21264         (print_path): Avoid unnecessary use of printf.
21265         (print_header): New function, split out of main.  Distinguish
21266         more carefully between an unrecognizable insn and an insn that
21267         has the code number of a define_expand.
21268         (main): Pass insn_code_number to gen_insn.  Call print_header
21269         only after parsing.  Avoid unnecessary use of printf.
21270         * Makefile.in (build/vec.o): New rule.
21271         (build/genextract): Depend on build/vec.o.
21272         (build/genextract.o): Don't depend on insn-config.h.
21274 2006-01-22  Zack Weinberg  <zackw@panix.com>
21276         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
21277         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
21278         practical.  Eliminate per-generator-program link rules.
21280 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
21282         PR middle-end/24437
21283         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
21284         with a call expr to ...
21285         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
21287 2006-01-23  Richard Guenther  <rguenther@suse.de>
21289         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21290         before make_edge with conditional EDGE_TRUE_VALUE.
21292 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
21293         Jan Hubicka  <jh@suse.cz>
21294         Richard Guenther  <rguenther@suse.de>
21296         PR rtl-optimization/25654
21297         * cfgexpand.c (aggregate_contains_union_type): New function.
21298         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
21299         for structure variables that contain a union type.
21301 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
21303         * gengtype.c (new_structure): Return the structure.
21304         (create_option): Add an extra "next" argument.
21305         (create_field): New function.
21306         (adjust_field_rtx_def): Use create_option and create_field.
21307         Remove a now-unnecessary call to find_structure.
21308         (adjust_field_tree_def): Likewise.
21309         (note_yacc_type): Remove an unnecessary call to find_structure.
21310         * gengtype.h (new_structure): Return the structure.
21311         (create_option): Add an extra argument.
21312         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21313         (option): Adjust calls to create_option.
21315 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
21317         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21319 2006-01-22  Paul Brook  <paul@codesourcery.com>
21320         Peter Barada  <peter@the-baradas.com>
21322         * config/m68k/m68k.md: Add Coldfire FPU support.
21323         Define FP mode macro and associated attributes.
21324         Use it for float mode patterns.
21325         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21326         (LIBCALL_VALUE): Use m68k_libcall_value.
21327         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21328         (m68k_function_value): Ditto.
21329         (emit_move_sequence): Ditto.
21330         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21331         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21332         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21333         (MULTILIB_EXCEPTIONS): Ditto.
21334         * config/m68k/m68k.opt: Add mcfv4e.
21335         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21336         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21337         (m68k_output_function_prologue): Save ColdFire FPU registers.
21338         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21339         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21340         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21341         ColdFire FPU registers.
21342         (m68k_libcall_value, m68k_function_value): New functions.
21343         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21344         (LIBCALL_VALUE): Use m68k_libcall_value.
21345         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21346         (MASK_COLDFIRE): Add MASK_CFV4E.
21347         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21348         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21349         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21350         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21351         (GO_IF_LEGITIMATE_ADDRESS): Use it.
21352         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21353         * doc/invoke.tex: Document -mcfv4e on m68k.
21355 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
21357         * doc/contribute.texi: Change CVS to SVN and update the corresponding
21358         URL.
21360 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
21362         PR c++/16190
21363         * c-opts.c (c_common_handle_option): Don't include
21364         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21365         * doc/invoke.texi (C++ Dialect Options): Document that
21366         -Wnon-virtual-dtor is no longer included in -Wall.
21368 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
21370         * gcov.c (print_version), gcov-dump.c (print_version),
21371         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21372         dates.
21374 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
21376         * df-scan.c (problem_SCAN): Added NULL reset function.
21377         (df_scan_reset_blocks): Added code to call reset block function
21378         (df_bb_refs_delete) Fixed comment.
21379         (df_insn_refs_delete): Made tolerant of deleting non existent info
21380         for dataflow problems that need to be reset.
21381         * df-core.c (df_set_blocks): Ditto.
21382         * df.h (struct df_problem): Added reset_fun.
21383         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21384         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21385         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21386         functions to clear out all references to def-use or use-def chains.
21388 2006-01-21  Ben Elliston  <bje@au.ibm.com>
21390         * varasm.c (assemble_real): Initialise data array.
21392 2006-01-20  Paul Brook  <paul@codesourcery.com>
21394         Merge from csl-arm-branch.
21395         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
21396         * config/arm/arm.md (movdi): Force operands[1] to a register
21397         if we have a non-register source.
21398         (*arm_movdi, *movdf_soft_insn): Require that one of the
21399         operands be a register.
21400         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21401         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21403 2006-01-20  DJ Delorie  <dj@redhat.com>
21405         * varasm.c (initializer_constant_valid_p): Allow pointers
21406         initialized from integer constants of lesser precision.
21407         (output_constant): Allow non-int-sized pointer modes to be
21408         initialized from integer constants.
21410 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
21412         PR libstdc++/25524
21413         * cppdefault.h (struct default_include): Add multilib flag.
21414         * cppdefault.c (cpp_include_defaults): Set it.
21415         * c.opt (-imultilib): New option.
21416         * c-opts.c (imultilib): New.
21417         (c_common_handle_option): Handle -imultilib.
21418         (c_common_post_options): Likewise.
21419         * c-incpath.c (add_standard_paths, register_include_chains):
21420         Likewise.
21421         * c-incpath.h (register_include_chains): Add extra parameter.
21422         * gcc.c (do_spec_1): Generate -imultilib option.
21423         (The Specs Language): Update %I description.
21424         (process_command): Update copyright notice.
21425         * doc/cppopts.texi (-imultilib): Document.
21426         * doc/invoke.texi (-imultilib): Include in option summary.
21427         (%I): Update specs documentation.
21429 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
21431         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21433 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
21435         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21436         label numbers.
21438 2006-01-20  Richard Guenther  <rguenther@suse.de>
21439         Steven Bosscher <stevenb.gcc@gmail.com>
21441         PR rtl-optimization/24626
21442         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21443         EDGE_TRUE_VALUE if in RTL mode.
21445         Revert
21446         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21447         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21449 2006-01-20  Dirk Mueller  <dmueller@suse.com>
21451         PR c++/5520
21452         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21453         instead of a special NOP marker.
21454         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21455         NOP marker handling.
21456         * c-common.h (empty_body_warning): Add forward declaration.
21457         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21458         Now uses IS_EMPTY_STMT() instead of special NOP markers.
21460 2006-01-20  Paul Brook  <paul@codesourcery.com>
21462         * Makefile.in (lang_checks): Keep going if mkdir fails.
21464 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
21466         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21467         be able to clean out basic block when not necessary.
21468         (df_scan_free): Fixed to properly delete information if df is
21469         unused before calling df_finish.
21470         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21471         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21472         or comment typos.
21473         (df_bb_refs_delete): New function.
21474         (df_refs_delete): Moved per block code to df_bb_refs_delete.
21475         * df-core.c (df_set_blocks): Added code to properly clean out
21476         unused blocks if they are not part of the blocks to consider.
21477         Added additional null check.
21478         (df_compact_blocks): Added basic block parameter to free_bb_fun to
21479         be able to clean out basic block when not necessary
21480         * df.h (df_free_bb_function): Ditto.
21481         (df_bb_refs_delete): New function.
21482         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21483         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21484         basic block parameter to be able to clean out basic block when not
21485         necessary.
21486         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21487         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21488         Fixed to properly delete information if df is unused before
21489         calling df_finish.
21491 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
21493         PR rtl-optimization/25799
21494         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21495         Corrected confluence operator to remove bits from op2 before oring
21496         with op1 rather than removing bits from op1.
21497         (df_ru_transfer_function): Corrected test on wrong bitmap which
21498         caused infinite loop.  Both of these problems were introduced in
21499         the dataflow rewrite.
21501 2006-01-19  DJ Delorie  <dj@redhat.com>
21503         * reload1.c (find_reload_regs): Note the details of reload
21504         failures in the dump file.
21505         (spill_failure): Likewise.
21507 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
21509         * loop-iv.c: Include df.h and hashtab.h.
21510         (enum iv_grd_result): New enum.
21511         (DF_REF_IV, DF_REF_IV_SET): New macros.
21512         (struct biv_entry): New.
21513         (df, bivs): New global variables.
21514         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21515         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21516         Removed.
21517         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21518         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21519         analyzed_for_bivness_p, record_biv): New functions.
21520         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21521         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21522         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21523         UD chains.
21524         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21525         analysed.
21526         (iv_number_of_iterations): Use new interface to iv analysis.
21527         * loop-unroll.c: Do not include varray.h.
21528         (analyze_iv_to_split_insn): Use new interface to iv
21529         analysis.
21530         * loop-unswitch.c (may_unswitch_on): Ditto.
21531         * df.c (df_bitmaps_free): Only work for bbs for that structures are
21532         allocated.
21533         (df_bb_modify): Realloc tables to the new index.
21534         (df_find_use): New function.
21535         * df.h (df_find_use): Declare.
21536         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21537         outmode.
21538         * cfgloop.h (struct rtx_iv): Remove analysed field.
21539         (iv_get_reaching_def): Removed.
21540         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21541         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21542         (loop-iv.o): Add df.h and hashtab.h dependency.
21543         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21545 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
21547         PR target/25668
21548         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21549         Double TFmode.
21550         (__floatundisf, __floatundidf): Likewise.
21551         * libgcc2.h (IS_IBM_EXTENDED): Define.
21553 2006-01-19  DJ Delorie  <dj@redhat.com>
21555         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21557 2006-01-19  Paul Brook  <paul@codesourcery.com>
21559         * config/arm/arm.c (arm_compute_func_type): Treat all functions
21560         as nothrow when unwinding tables are disabled.
21562 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21564         PR testsuite/25171
21565         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21566         of bit-field" when in system header.
21568 2006-01-19  DJ Delorie  <dj@redhat.com>
21570         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21571         the 16 bit shift limit of the m16c.
21573 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
21575         PR target/22099
21576         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21577         * config/i386/i386.c (output_set_got): Output the label if we have one
21578         for the TARGET_DEEP_BRANCH_PREDICTION case.
21580 2006-01-19  Jan Hubicka  <jh@suse.cz>
21581             H.J. Lu  <hongjiu.lu@intel.com>
21582             Evandro Menezes <evandro.menezes@amd.com>
21584         * invoke.texi (generic): Document
21585         (i686) Update.
21586         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21587         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21588         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21589         (x86_use_incdec, x86_pad_returns): New variables
21590         (TARGET_CPU_DEFAULT_generic): New constant
21591         (TARGET_CPU_DEFAULT_NAMES): Add generic.
21592         (enum processor_type): Add generic32 and generic64.
21593         * i386.md (cpu attribute): Add generic32/generic64
21594         (movhi splitter): Behave sanely when both partial_reg_dependency and
21595         partial_reg_stall are set.
21596         (K8 splitters): Enable for generic as well.
21597         * predicates.md (incdec_operand): Use TARGET_INCDEC
21598         (aligned_operand): Avoid memory mismatch stalls.
21599         * athlon.md: Enable for generic64, new patterns for 128bit moves.
21600         * ppro.md: Enable for generic32
21601         * i386.c (generic64_cost, generic32_cost): New.
21602         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21603         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
21604         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
21605         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21606         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21607         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21608         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21609         x86_accumulate_outgoing_args, x86_prologue_using_move,
21610         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21611         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21612         Enable for generic.
21613         (x86_use_incdec, x86_pad_returns): New.
21614         (override_options): Add generic32 and generic64, translate "generic"
21615         to generic32/generic64 and "i686" to "generic32", refuse
21616         "generic32"/"generic64" as arch target.
21617         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21618         (ix86_reorg): Honor PAD_RETURNS.
21620 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
21622         * tree-pretty-print.c (dump_generic_node): Handle
21623         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21624         * cgraph.c (cgraph_expand_queue): Rename from
21625         cgraph_analyze_queue.  Update all users.
21626         * cgraphunit.c (cgraph_assemble_pending_functions): Process
21627         cgraph_expand_queue.
21628         (cgraph_expand_all_functions): Likewise.
21629         (cgraph_finalize_pending_functions): Remove.  Update callers.
21631         * tree.h (OMP_DIRECTIVE_P): Define.
21632         (OMP_PARALLEL_FN): Define.
21633         (OMP_PARALLEL_DATA_ARG): Define.
21634         (OMP_SECTIONS_SECTIONS): Define.
21635         * tree-pass.h (pass_expand_omp): Declare.
21636         * omp-low.c (struct omp_region): Declare.
21637         (struct omp_context): Remove fields 'parallel_type',
21638         'parallel_start_ix' and 'parallel_start_additional_args'.
21639         Update all users.
21640         (struct omp_for_data): Rename from struct expand_omp_for_data.
21641         (omp_regions): New static variable.
21642         (root_omp_region): New static variable.
21643         (find_omp_clause): Make static.
21644         (is_in_combined_parallel_ctx): Remove.
21645         (is_combined_parallel): New.
21646         (extract_omp_for_data): Move earlier in the file.
21647         (workshare_safe_to_combine_p): New.
21648         (get_ws_args_for): New.
21649         (determine_parallel_type): Move earlier in the file.
21650         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21651         child function.
21652         (omp_copy_decl): Likewise.
21653         (create_omp_child_function): Likewise.
21654         (lookup_omp_region): New.
21655         (dump_omp_region): New.
21656         (debug_omp_region): New.
21657         (debug_all_omp_regions): New.
21658         (new_omp_region): New.
21659         (scan_omp_parallel): If parallel_nesting_level > 1, the
21660         directive is nested within another parallel directive.
21661         Set OMP_PARALLEL_FN.
21662         (scan_omp_for): Do not try to handle combined parallel+for
21663         cases.
21664         Remove FIXME comment.
21665         (scan_omp_nested): Remove.
21666         (scan_omp_1): Do not call scan_omp_nested when
21667         parallel_nesting_level is > 1.
21668         Do not change the DECL_CONTEXT of local variables found.
21669         (lookup_decl_in_outer_ctx): New.
21670         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21671         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21672         (lower_reduction_clauses): Rename from expand_reduction_clauses.
21673         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21674         If CTX is nested, lookup VAR in the outer context when
21675         building copy assignment.
21676         (lower_send_clauses): Rename from expand_send_clauses.
21677         If CTX is nested, lookup VAR in the outer context when
21678         building copy assignments.
21679         (lower_send_shared_vars): Rename from expand_send_shared_vars.
21680         If CTX is nested, lookup VAR in the outer context when
21681         building copy assignments.
21682         (expand_parallel_call): Rename from build_parallel_call.
21683         Handle combined parallel+workshare cases.
21684         Re-implement to emit code into the CFG.
21685         (list2chain): New.
21686         (expand_omp_parallel): Re-implement to emit code into the CFG.
21687         Call move_sese_region_to_fn to outline the sub-graph
21688         containing the parallel region.
21689         (expand_omp_for_1): Remove.
21690         (expand_omp_for_generic): Re-implement to emit code into the
21691         CFG.
21692         (expand_omp_for_static_nochunk): Likewise.
21693         (expand_omp_for_static_chunk): Likewise.
21694         (expand_omp_for): Likewise.
21695         (expand_omp_sections): Likewise.
21696         (remove_exit_barriers): New.
21697         (expand_omp_synch): New.
21698         (expand_omp): New.
21699         (build_omp_regions_1): New.
21700         (build_omp_regions): New.
21701         (execute_expand_omp): New.
21702         (gate_expand_omp): New.
21703         (pass_expand_omp): Define.
21704         (lower_omp_sections): Rename from expand_omp_sections.
21705         Set OMP_SECTIONS_SECTIONS.
21706         (lower_omp_single_simple): Rename from expand_omp_single_simple.
21707         (lower_omp_single_copy): Rename from expand_omp_single_copy.
21708         (lower_omp_single): Rename from expand_omp_simple.
21709         (lower_omp_master): Rename from expand_omp_master.
21710         (lower_omp_ordered): Rename from expand_omp_ordered.
21711         (lower_omp_critical): Rename from expand_omp_critical.
21712         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21713         (lower_omp_for): Re-implement.
21714         (lower_omp_parallel): Re-implement.
21715         (lower_regimplify): Rename from expand_regimplify.
21716         (lower_omp_1): Rename from expand_omp_1.
21717         If there are syntax errors in the program, replace every
21718         OpenMP directive with NOP.
21719         Call lower_omp_* instead of expand_omp_*.
21720         (lower_omp): Rename from expand_omp.
21722         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21723         * tree-gimple.h (enum omp_parallel_type): Remove.
21724         (gimple_boolify): Declare extern.
21725         (find_omp_clause, determine_parallel_type): Remove.
21727         * gimple-low.c (lower_omp_directive): New.
21728         (lower_stmt): Call it.
21729         (record_vars_into): Move from ...
21730         (record_vars): ... here.
21731         Call record_vars_into with current_function_decl.
21733         * gimplify.c (struct gimplify_ctx): Remove fields
21734         combined_pre_p and combined_ctxp.  Update users.
21735         (get_formal_tmp_var): Add documentation.
21736         (gimple_boolify): Make extern.
21737         (gimplify_expr_in_ctx): Remove.  Update callers.
21738         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21739         will always be a BIND_EXPR.
21740         (gimplify_expr): Handle OMP_RETURN_EXPR.
21741         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21742         (OMP_PARALLEL): Add 3 operands.
21743         (OMP_SECTIONS): Add 1 operand.
21744         (OMP_RETURN_EXPR): Define.
21746         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21747         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21748         * tree-iterator.c (alloc_stmt_list): Assert that we are not
21749         creating a circular free list.
21750         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21752         * tree-flow.h (move_sese_region_to_fn): Declare.
21753         (record_vars_into): Declare.
21754         * tree-cfg.c (make_omp_sections_edges): New.
21755         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21756         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21757         OMP_SECTIONS and OMP_SECTION.
21758         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21759         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21760         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21761         (gather_blocks_in_sese_region): New.
21762         (struct move_stmt_d): Declare.
21763         (move_stmt_r): New.
21764         (move_block_to_fn): New.
21765         (move_sese_region_to_fn): New.
21767         * passes.c (init_optimization_passes): Schedule
21768         pass_expand_omp after pass_init_datastructures.
21770         * tree-ssa-operands.c (get_expr_operands): Handle
21771         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21772         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21774 2006-01-19  Jeff Law  <law@redhat.com>
21776         * tree-vrp.c (extract_range_from_assert): Refine the result range
21777         if the variable referenced by the ASSERT_EXPR has a range and
21778         either the tentative result range or the previous range is a
21779         VR_ANTI_RANGE.
21781 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
21783         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21785 2006-01-19  Jan Hubicka  <jh@suse.cz>
21787         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21789 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
21791         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21792         (expand_compound_operation, expand_field_assignment): Fail if the
21793         bit lengths of an extract operation are out of range.
21794         (make_extraction): Compute wanted_inner_mode based on the position
21795         and length of the extraction.  Make it extraction_mode for non-constant
21796         positions, and do not modify offset in that case.  When generating a
21797         new MEM, use a mode that can hold the extraction while keeping correct
21798         alignment.  Remove code that supported MEMs wrapped by USEs.
21799         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21801 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
21803         * config/s390/s390.md ("Y", "y"): New mode attribute.
21804         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21805         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21806         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21807         "*addsi3_imm_cc", "*addsi3_carry1_cc",
21808         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21809         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21810         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21811         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21812         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21813         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21814         "addsi3", "subsi3"): Insn patterns removed.
21815         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21816         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21817         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21818         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21819         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21820         "*sub<mode>3_cconly2"): New insn patterns.
21821         ("addsi3", "subsi3"): New expanders.
21823 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
21825         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21826         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21827         existing STMT_VINFO_VECTYPE if available.
21828         (vect_mark_relevant): Add special handling for stmts that are
21829         marked as STMT_VINFO_IN_PATTERN_P.
21830         (vect_analyze_loop): Call vect_pattern_recog.
21831         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21832         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21833         stmt_info.
21834         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21835         (vect_recog_func_ptr): New function-pointer type.
21836         * tree-vect-patterns.c: New file.
21837         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21838         (vect_recog_dot_prod_pattern, vect_pattern_recog):
21839         (vect_pattern_recog_1): New functions.
21840         (vect_pattern_recog_funcs): New array of function pointers.
21842         * tree-vectorizer.h (ternary_op): New enum value.
21843         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21844         declaration. Revised documentation. Removed redundant dump prints.
21845         Removed redundant argument. Added support for reduction patterns.
21846         (vectorizable_reduction): Added support for reduction patterns.
21847         (vect_transform_stmt): Added support for patterns.
21849         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21850         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21851         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21852         (expand_widen_pattern_expr): New function.
21853         (init_optabs): Initialize new optabs udot_prod_optab,
21854         sdot_prod_optab.
21855         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21856         (sdot_prod_optab, udot_prod_optab): Define new optabs.
21857         (expand_widen_pattern_expr): New function declaration.
21858         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21859         tree-codes.
21860         * tree-inline.c (estimate_num_insns_1): Added cases for new
21861         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21862         * tree-pretty-print.c (dump_generic_node): Likewise.
21863         (op_prio): Likewise.
21864         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21865         * tree-ssa-operands.c (get_expr_operands): Added case for
21866         DOT_PROD_EXPR.
21867         * tree-vect-patterns.c (widened_name_p): New function.
21868         (vect_recog_dot_prod_pattern): Added function implementation.
21869         * tree-vect-transform.c (get_initial_def_for_reduction): Added
21870         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21871         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21872         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21874         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21875         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21876         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21877         (init_optabs): Initialize new optabs widen_ssum_optab,
21878         widen_usum_optab.
21879         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21880         (widen_ssum_optab, widen_usum_optab): Define new optabs.
21881         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21882         use instead of type of def.
21883         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21884         function implementation.
21885         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21886         widen_ssumv8hi): New.
21888         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21889         patterns.
21891 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
21893         PR c/25805
21894         * c-decl.c (add_flexible_array_elts_to_size): New function.
21895         (finish_decl): Use it.
21897 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
21899         * diagnostic.h: Include options.h.
21900         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21901         dependancies for diagnostic.h.
21902         * Makefile.in (DIAGNOSTIC_H): Add options.h.
21904 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
21906         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21907         (ssa_ro_call_cache_valid): Ditto.
21908         * tree-ssa-alias.c (sort_tags_by_id): New function.
21909         (init_transitive_clobber_worklist): Ditto.
21910         (add_to_worklist): Ditto.
21911         (mark_aliases_call_clobbered): Ditto.
21912         (compute_tag_properties): Ditto.
21913         (set_initial_properties): Ditto.
21914         (compute_call_clobbered): Ditto.
21915         (compute_may_aliases):  Call compute_call_clobbered and grouping.
21916         (compute_flow_sensitive_aliasing): Remove clobbering related code.
21917         (compute_flow_insensitive_aliasing): Grouping now happens in our
21918         caller.
21919         (setup_pointers_and_addressables): Remove clobbering related code.
21920         (add_may_alias): Ditto.
21921         (replace_may_alias): Ditto.
21922         (get_nmt_for): Ditto.
21923         (create_global_var):
21924         (is_escape_site): Return an escape_type enumeration.
21925         * tree-flow-inline.h (is_call_clobbered): Global var does not
21926         imply call clobbered.
21927         (mark_call_clobbered): Take a reason for marking this. Remove
21928         marking of globalness, and cache invalidation.
21929         (clear_call_clobbered): Remove cache invalidation code.
21930         * tree-dfa.c (dump_variable): If details is on, dump the reason
21931         for escaping.
21932         * tree-outof-ssa.c (create_temp): Copy escape mask from original
21933         variable.
21934         * tree-flow.h (struct ptr_info_def): Add escape mask member.
21935         (struct var_ann_d): Ditto.
21936         (enum escape_type): New.
21937         (mark_call_clobbered): Adjust prototype.
21938         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21939         are never call clobbered.
21940         Record reasons for escaping.
21941         * tree-ssa-structalias.h (is_escape_site): Update prototype.
21942         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21943         (ssa_ro_call_cache_valid): Ditto.
21944         (clobbered_v_may_defs): Ditto.
21945         (clobbered_vuses): Ditto.
21946         (ro_call_vuses): Ditto.
21947         (clobber_stats): New.
21948         (init_ssa_operands): Zero out clobber stats.
21949         (fini_ssa_operands): Print out clobber stats.
21950         (get_call_expr_operands): Pass callee fndecl to
21951         add_call_read_ops).
21952         (add_call_clobber_ops): Remove use of cache.
21953         Add use of PURE_CONST information.
21954         (add_call_read_ops): Remove use of cache.
21955         Add use of static not_read information.
21957 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
21959         Introduce TLS descriptors for i386 and x86_64.
21960         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21961         (TARGET_ANY_GNU_TLS): New macro.
21962         (enum tls_dialect): Added TLS_DIALECT_GNU2.
21963         (struct machine_function): Add tls_descriptor_call_expanded_p.
21964         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21965         (ix86_current_function_calls_tls_descriptor): Likewise.
21966         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21967         (override_options): Introduce gnu2 tls dialect.
21968         (ix86_frame_pointer_required): Functions containing TLSCALLs are
21969         not leaves.
21970         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21971         Likewise.
21972         (legitimize_tls_address): Adjust logic for GNU2 TLS.
21973         (ix86_init_machine_status): Initialize new field.
21974         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21975         (ix86_tls_module_base): New.
21976         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21977         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21978         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21979         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21980         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21981         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21982         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21983         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21984         * config/i386/predicates.md (tls_modbase_operand): New.
21985         (tp_or_register_operand): New.
21987 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
21989         * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21990         (look_for_address_of): Ditto.
21991         (ipa_init): Walk the function decls.
21992         (static_execute): Don't set readonly on FUNCTION_DECL's.
21994 2006-01-18  Roger Sayle  <roger@eyesopen.com>
21996         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21997         for shifts where the source and destination registers are different.
21999 2006-01-18  Paul Brook  <paul@codesourcery.com>
22001         Merge from csl-arm-branch.
22002         2005-03-14  Julian Brown  <julian@codesourcery.com>
22003         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
22004         (aeabi_llsl): Likewise.
22005         (ashrdi3): Likewise.
22006         (aeabi_lasr): Likewise.
22007         (lshrdi3): Likewise.
22008         (aeabi_llsr): Likewise.
22009         2005-03-10  Julian Brown  <julian@codesourcery.com>
22010         * config.gcc: Disable shared libgcc for SymbianOS.
22011         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
22013 2006-01-18  DJ Delorie  <dj@redhat.com>
22015         * c-pragma.c (handle_pragma_diagnostic): New.
22016         (init_pragma): Register it.
22017         * doc/extend.texi: Document it.
22019         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
22020         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
22021         (diagnostic_context): Add classify_diagnostic[].
22022         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
22023         as errors if they're overridden to DK_WARNING.
22024         (diagnostic_initialize): Initialize classify_diagnostic[].
22025         (diagnostic_set_kind_override): New.
22026         (diagnostic_report_diagnostic): Check for kind changes.
22027         * opts.c (common_handle_option): Take lang_mask.  Update callers.
22028         Handle OPT_Werror_.
22029         * common.opt (Werror=): New.
22030         * doc/invoke.texi: Document -Werror=*
22032 2006-01-18  Jeff Law  <law@redhat.com>
22034         * tree-vrp.c (test_for_singularity): Correct test for new
22035         min limit.  Use operand_equal_p rather than pointer equality
22036         for testing if new min/max values are equal.
22038         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
22039         using range information until after propagation and folding.
22041 2006-01-18  Richard Henderson  <rth@redhat.com>
22042             Aldy Hernandez  <aldyh@redhat.com>
22043             Jakub Jelinek  <jakub@redhat.com>
22044             Diego Novillo  <dnovillo@redhat.com>
22046         * omp-low.c: New file.
22047         * c-omp.c: New file.
22049 2006-01-18  Richard Henderson  <rth@redhat.com>
22050             Jakub Jelinek  <jakub@redhat.com>
22051             Diego Novillo  <dnovillo@redhat.com>
22053         * doc/invoke.texi: Document -fopenmp.
22054         * tree-dump.h (debug_function): Declare.
22055         * hooks.c (hook_bool_tree_bool_false): New function.
22056         (hook_tree_tree_null): Remove.
22057         (hook_tree_tree_tree_null): New.
22058         * hooks.h: Update to match.
22059         * tree-pretty-print.c (debug_tree_chain): New.
22060         (print_generic_expr): Handle TDF_CHAIN.
22061         (dump_generic_node): Handle BLOCK.
22062         Do not abort with incomplete SWITCH_EXPRs.
22063         Do not dump body of an OpenMP directive if TDF_SLIM is given.
22064         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
22065         print space after directive name.
22066         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
22067         Handle OMP_MASTER and OMP_ORDERED.
22068         Handle printing of OMP_BODY just in one place, goto
22069         dump_omp_body in the rest of OMP_* nodes that have
22070         OMP_BODY.
22071         Don't handle clause nodes here.  Update omp statements to
22072         use dump_omp_clauses.
22073         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
22074         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
22075         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
22076         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
22077         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
22078         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
22079         Adjust output for GOMP_PARALLEL.
22080         (dump_omp_clauses): New.
22081         (print_declaration): Dump DECL_VALUE_EXPR.
22082         (op_symbol_1): Split out of op_symbol.
22083         (dumping_stmts): Remove.  Update all users.
22084         * cgraph.c (cgraph_analyze_queue): New.
22085         (cgraph_add_new_function): New.
22086         * cgraph.h (cgraph_analyze_queue): Declare.
22087         (cgraph_add_new_function): Declare.
22088         (cgraph_lower_function): Remove.
22089         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
22090         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
22091         and TYPE_P nodes in its default clause.
22092         (empty_body_p): New.
22093         (tree_range_check_failed): New.
22094         (build5_stat): New.
22095         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
22096         OMP_CLAUSE_REDUCTION_MERGE,
22097         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
22098         OMP_CLAUSE_PRIVATE_DEBUG,
22099         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
22100         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
22101         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
22102         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
22103         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
22104         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
22105         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
22106         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
22107         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
22108         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
22109         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
22110         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
22111         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
22112         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
22113         (TREE_RANGE_CHECK): New.
22114         (empty_body_p): Declare.
22115         (enum omp_clause_default_kind): New.
22116         (build_string_literal): Declare.
22117         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
22118         (build5_stat, build5): Declare.
22119         * tree-pass.h (TDF_CHAIN): Define.
22120         * tree-pass.h (PROP_gimple_lomp): Define.
22121         (pass_lower_omp): Declare.
22122         * diagnostic.h (debug_tree_chain): Declare.
22123         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
22124         mode_for_size.
22125         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
22126         * builtins.c (build_string_literal): Make extern.
22127         * gcc.c (include_spec_function): New.
22128         (static_spec_functions): Add it.
22129         (main): Move load of libgomp.spec ...
22130         (LINK_COMMAND_SPEC): ... here.
22131         (link_gomp_spec): New.
22132         (static_specs): Include it.
22133         (LINK_COMMAND_SPEC): Add link_gomp.
22134         (GOMP_SELF_SPECS): New.
22135         (driver_self_specs): Include it.
22136         (switch_matches): Don't mark inline.
22137         (main): Load libgomp.spec.
22138         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
22139         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
22140         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
22141         * tree-gimple.h (enum omp_parallel): Declare.
22142         (determine_parallel_type): Declare.
22143         (omp_firstprivatize_variable): Declare.
22144         (omp_reduction_init): Declare.
22145         (diagnose_omp_structured_block_errors): Declare.
22146         (struct walk_stmt_info): Add want_return_expr.
22147         (struct walk_stmt_info): Add want_bind_expr, want_locations.
22148         (find_omp_clause): Declare.
22149         (insert_field_into_struct): Declare.
22150         (struct walk_stmt_info): Move from tree-nested.c
22151         (walk_stmts): Declare.
22152         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
22153         to 200505.
22154         * cgraphunit.c (cgraph_lower_function): Make static.
22155         (cgraph_finalize_pending_functions): New.
22156         (cgraph_finalize_function): Call it.
22157         (cgraph_finalize_compilation_unit): Likewise.
22158         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
22159         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
22160         (BT_FN_UINT_UINT): New.
22161         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
22162         DEF_FUNCTION_TYPE_VAR_4): Document.
22163         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
22164         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
22165         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
22166         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
22167         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
22168         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
22169         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
22170         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
22171         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
22172         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
22173         into separate files.
22174         (DEF_GOMP_BUILTIN): New.
22175         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
22176         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
22177         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
22178         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
22179         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
22180         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
22181         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
22182         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
22183         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
22184         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
22185         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
22186         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
22187         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
22188         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
22189         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
22190         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
22191         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
22192         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
22193         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
22194         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
22195         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
22196         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
22197         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
22198         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
22199         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
22200         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
22201         * sync-builtins.def: New file, moved from builtins.def.
22202         * omp-builtins.def: New file, moved from builtins.def.
22203         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
22204         * gimple-low.c (lower_function_body): Clear data.
22205         (lower_stmt): Do not handle COMPOUND_EXPR.
22206         Remove call to print_node_brief.
22207         * c-tree.h (c_finish_omp_clauses): New prototype.
22208         (C_DECL_THREADPRIVATE_P): Define.
22209         (lookup_name_no_remap, c_omp_remap_private): Remove
22210         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
22211         (check_for_loop_decls): Update decl.
22212         (lookup_name_no_remap, c_omp_remap_private): Declare.
22213         (build_indirect_ref, build_modify_expr, pushdecl,
22214         pushdecl_top_level): Move to c-common.h.
22215         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
22216         before the switch, but just in the 2 places that need it.
22217         * c-decl.c (diagnose_mismatched_decls): Do not check for
22218         mismatched thread-local attributes when OLDDECL is marked
22219         threadprivate and NEWDECL has no thread-local attributes.
22220         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
22221         (c_gimple_diagnostics_recursively): Rename from
22222         c_warn_unused_result_recursively.  Invoke
22223         diagnose_omp_structured_block_errors.
22224         (check_for_loop_decls): Return a singular decl found.
22225         * langhooks.c (lhd_omp_predetermined_sharing): Return
22226         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
22227         (lhd_omp_firstprivatize_type_sizes): New.
22228         (lhd_omp_assignment): New.
22229         (lhd_omp_predetermined_sharing): New.
22230         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
22231         (struct lang_hooks_for_types): Add
22232         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
22233         omp_predetermined_sharing, omp_disregard_value_expr,
22234         omp_private_debug_clause, omp_clause_default_ctor,
22235         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
22236         (c_finish_omp_clauses): New.
22237         (c_finish_bc_stmt): Diagnose break within omp for.
22238         (c_begin_omp_parallel, c_finish_omp_parallel): New.
22239         (build_unary_op): Return error_mark after reporting
22240         a readonly_error.
22241         (build_modify_expr): Likewise.
22242         * gimplify.c: Include optabs.h and pointer-set.h.
22243         (enum gimplify_omp_var_data): Declare.
22244         (struct gimplify_omp_ctx): Declare.
22245         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
22246         and combined_ctxp.
22247         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
22248         (push_gimplify_context, pop_gimplify_context): Allow nesting.
22249         (splay_tree_compare_decl_uid): New.
22250         (new_omp_context): New.
22251         (delete_omp_context): New.
22252         (gimple_add_tmp_var): Call omp_add_variable.
22253         (gimplify_bind_expr): Likewise.
22254         (gimplify_var_or_parm_decl): If omp_notice_variable returned
22255         true, disregard DECL_VALUE_EXPR on the decl if any.
22256         (gimplify_expr_in_ctx): New.
22257         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
22258         omp_add_variable, omp_notice_variable, omp_is_private
22259         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
22260         gimplify_adjust_omp_clauses, gimplify_omp_parallel
22261         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
22262         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
22263         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
22264         gimplify_omp_atomic): New.
22265         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22266         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22267         OMP_CRITICAL and OMP_ATOMIC.
22268         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
22269         * c-pragma.h (enum pragma_kind): Add
22270         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
22271         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
22272         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
22273         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
22274         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
22275         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
22276         PRAGMA_OMP_THREADPRIVATE.
22277         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22278         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22279         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
22280         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
22281         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
22282         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
22283         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
22284         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
22285         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22286         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22287         * tree-ssa-dce.c (find_control_dependence): Do not assume that
22288         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22289         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22290         OpenMP directives.
22291         (struct nesting_info): Add field_map,
22292         suppress_expansion, debug_var_chain.
22293         (create_nesting_tree): Initialize them.
22294         (lookup_field_for_decl): Use field_map.
22295         (get_nonlocal_debug_decl, get_local_debug_decl): New.
22296         (convert_local_omp_clauses): New.
22297         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22298         (walk_body): Split out of walk_function.
22299         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22300         (convert_nonlocal_reference): Handle omp statements.
22301         (convert_local_reference): Likewise.
22302         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22303         (unnest_nesting_tree): New.
22304         (lower_nested_functions): Call it.
22305         (insert_field_into_struct): Make extern.
22306         (struct walk_stmt_info): Move to tree-gimple.h.
22307         (walk_stmts): Make extern.
22308         * omp-builtins.def: New file.
22309         * tree-iterator.c (expr_only): Clarify comment.
22310         * c-common.h (pushdecl_top_level, pushdecl,
22311         build_modify_expr, build_indirect_ref,
22312         c_finish_omp_master, c_finish_omp_critical,
22313         c_finish_omp_ordered, c_finish_omp_barrier,
22314         c_finish_omp_atomic, c_finish_omp_flush,
22315         c_finish_omp_for, c_split_parallel_clauses,
22316         omp_clause_default_kind, c_omp_sharing_predetermined,
22317         c_omp_remap_decl): Declare.
22318         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22319         (OBJS-common): Add omp-low.o.
22320         (c-omp.o, omp-low.o): Add.
22321         (gimplify.o): Add dependency on $(OPTABS_H).
22322         (GTFILES): Add omp-low.c.
22323         (gt-stringpool.h): Add.
22324         * tree-cfg.c (set_bb_for_stmt): Do not update the
22325         block-to-labels map if we are currently expanding to RTL.
22326         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22327         checks.
22328         Handle IDENTIFIER_NODE.
22329         (tree_verify_flow_info): Do not ICE when emitting error
22330         messages about invalid labels.
22331         (dump_function_to_file): Reset CFUN before emitting the body
22332         of the function.
22333         (debug_function): New.
22334         * passes.c (init_optimization_passes): Schedule
22335         pass_lower_omp.
22336         * langhooks-def.h (lhd_omp_predetermined_sharing,
22337         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22338         Declare.
22339         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22340         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22341         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22342         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22343         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22344         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22345         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22346         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22347         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22348         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22349         (LANG_HOOK_DECLS): Use them.
22351 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22352             Richard Henderson  <rth@redhat.com>
22353             Jakub Jelinek  <jakub@redhat.com>
22354             Diego Novillo  <dnovillo@redhat.com>
22356         * c-parser.c (pragma_omp_clause): Define.
22357         (c_parser_declaration_or_fndef): Document OpenMP syntax.
22358         (c_parser_compound_statement): Likewise.
22359         (c_parser_statement): Likewise.
22360         (c_parser_pragma): Handle omp pragmas.
22361         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22362         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22363         (c_parser_omp_clause_name, check_no_duplicate_clause,
22364         c_parser_omp_variable_list,
22365         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22366         c_parser_omp_clause_copyprivate,
22367         c_parser_omp_clause_default,
22368         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22369         c_parser_omp_clause_lastprivate,
22370         c_parser_omp_clause_nowait,
22371         c_parser_omp_clause_num_threads,
22372         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22373         c_parser_omp_clause_reduction,
22374         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22375         c_parser_omp_all_clauses, c_parser_omp_structured_block,
22376         c_parser_omp_atomic, c_parser_omp_barrier,
22377         c_parser_omp_critical, c_parser_omp_flush,
22378         c_parser_omp_for_loop, c_parser_omp_for,
22379         c_parser_omp_master, c_parser_omp_ordered,
22380         c_parser_omp_sections_scope, c_parser_omp_sections,
22381         c_parser_omp_parallel, c_parser_omp_single,
22382         c_parser_omp_construct, c_parser_omp_threadprivate): New.
22383         * c-pragma.c (init_pragma): Do omp pragma registration here.
22384         * c.opt (fopenmp): New flag.
22386 2006-01-18  Eric Christopher  <echristo@apple.com>
22388         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22389         * config/darwin.h (GOMP_SELF_SPECS): Define.
22391 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22393         * rtl.h: Remove the prototype for reg_alloc.
22395 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22397         PR target/25731
22398         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22399         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22400         sjlj and dwarf2 exception handling.
22401         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22402         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22403         * pa/pa.c (function_value): Treat complex and vector types as
22404         aggregates.
22405         (function_arg): Likewise.  Only pass scalar floats in the floating
22406         point argument registers.
22407         * pa/t-slibgcc-dwarf-ver: New file.
22408         * pa/t-slibgcc-sjlj-ver: New file.
22409         * pa/t-slibgcc-elf-ver: Delete file.
22411 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
22413         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22414         unlikely_test_section_p test.
22416 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22418         * mode-switching.c (optimize_mode_switching): Make it static.
22419         * basic-block.h: Remove the prototype for
22420         optimize_mode_switching.
22422         * modulo-sched.c (sms_schedule): Make it static.
22423         * rtl.h: Remove the prototype for sms_schedule.
22425         * postreload-gcse.c (gcse_after_reload_main): Make it static.
22426         * rtl.h: Remove the prototype for gcse_after_reload_main.
22428         * reg-stack.c (reg_to_stack): Make it static.
22429         * rtl.h: Remove the prototype for reg_to_stack.
22431         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22432         Make them static.
22433         * rtl.h: Remove the prototypes for regrename_optimize and
22434         copyprop_hardreg_forward.
22436 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
22438         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22439         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
22440         Test against the appropriate null constant for the mode.
22441         If 'fixup_overlap' is true, swap the operands if they overlap.
22442         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22443         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22444         alpha_split_tmode_pair and adjust for above change.
22445         * config/alpha/alpha.md (movtf_internal): Adjust call to
22446         alpha_split_tfmode_pair and rely on it to swap the operands.
22447         (movti_internal): New insn and post-reload splitter.
22448         (movti): New expander.
22450 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
22452         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22453         operands.
22455 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22457         * rtlanal.c (global_reg_mentioned_p_1,
22458         global_reg_mentioned_p): Remove.
22459         * rtl.h: Remove the prototype for global_reg_mentioned_p.
22461         * flow.c (initialize_uninitialized_subregs): Make it static.
22462         * rtl.h: Remove the prototype for
22463         initialize_uninitialized_subregs.
22465         * function.c (instantiate_virtual_regs): Make it static.
22466         * function.h: Remove the prototype for
22467         instantiate_virtual_regs.
22469         * regmove.c (regmove_optimize, combine_stack_adjustments):
22470         Make them static.
22471         * rtl.h: Remove the prototypes for regmove_optimize and
22472         combine_stack_adjustments.
22474 2006-01-17  Roger Sayle  <roger@eyesopen.com>
22476         * config/i386/i386.c (COSTS_N_BYTES): New macro.
22477         (size_cost): Encode costs in bytes so that a reg-reg addition is
22478         equivalent to COSTS_N_INSNS(1).
22479         (override_options): Use the size_cost.branch_cost as the default
22480         ix86_branch_cost when optimizing for size.
22482 2006-01-18  Ben Elliston  <bje@au.ibm.com>
22484         * Makefile.in (D32PBIT_FUNCS): New.
22485         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22486         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22487         D64PBIT_FUNCS and D128PBIT_FUNCS.
22488         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22489         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22490         D128PBIT are set.
22491         (decnumber_dep): Define.
22492         * doc/libgcc.texi (Decimal float library routines): New node.
22493         * config/dfp-bit.h, config/dfp-bit.c: New files.
22495 2006-01-18  Ben Elliston  <bje@au.ibm.com>
22497         * expr.c (emit_move_change_mode): Always adjust addresses, not
22498         just during reload.  Copy replacements only during reload.
22499         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22500         emit_move_via_integer.
22502 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
22504         * Makefile.in (check-%, check-consistency): Use $${srcdir}
22505         instead of $(srcdir) and ${srcdir}.
22507 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
22509         PR target/592
22510         PR middle-end/11135
22511         * arm.h (struct machine_function): Add pic_reg.
22512         * arm.c (arm_pic_register): Make unsigned.
22513         (arm_override_options): Only set arm_pic_register if
22514         TARGET_SINGLE_PIC_BASE.
22515         (use_return_insn): Only test for a pic register if it is fixed.
22516         (arm_compute_save_reg0_reg12_mask): Likewise.
22517         (thumb_compute_save_reg_mask): Likewise.
22518         (legitimate_pic_operand): Factor out some known invariants.
22519         (legitimize_pic_address): If we don't have a fixed pic register,
22520         then set up a pseudo in the function entry sequence.  Handle the
22521         pic base being in a pseudo.
22522         (arm_load_pic_register): Handle the pic register being in a pseudo.
22523         (arm_expand_prologue): Only set up the pic register if it is fixed.
22524         (thumb_expand_prologue): Likewise.
22525         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22526         (pic_load_addr_based_insn): Likewise.
22527         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22528         fixed.
22530 2006-01-18  Ben Elliston  <bje@au.ibm.com>
22532         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22533         decimal float modes for all floating point registers.
22535         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22536         match_code "mem" with match_test "macho_lo_sum_memory_operand".
22538 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
22540         PR c/25682
22541         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22542         even when the pointer is not NULL.
22544 2006-01-16  Ian Lance Taylor  <ian@airs.com>
22546         * common.opt (ftoplevel-reorder): New option.
22547         * cgraph.c (cgraph_asm_nodes): New global variable.
22548         (cgraph_asm_last_node): New static variable.
22549         (cgraph_order): New global variable.
22550         (cgraph_create_node): Set new order field.
22551         (cgraph_varpool_node): Likewise.
22552         (decide_is_variable_needed): Return true if not
22553         flag_toplevel_reorder.
22554         (cgraph_add_asm_node): New function.
22555         * cgraph.h (struct cgraph_node): Add order field.
22556         (struct cgraph_varpool_node): Add order field.
22557         (struct cgraph_asm_node): Define.
22558         (cgraph_asm_nodes, cgraph_order): Declare.
22559         (cgraph_add_asm_node): Declare.
22560         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22561         function.
22562         (cgraph_varpool_assemble_pending_decls): Call it.
22563         (cgraph_output_pending_asms): New static function.
22564         (cgraph_finalize_compilation_unit): Call it.
22565         (struct cgraph_order_sort): Define.
22566         (cgraph_output_in_order): New static function.
22567         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
22568         !flag_toplevel_reorder case.
22569         * c-parser.c: Include "cgraph.h".
22570         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22571         assemble_asm.
22572         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22573         than -fno-unit-at-a-time.
22574         * doc/invoke.texi (Option Summary): Mention
22575         -fno-toplevel-reorder.
22576         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
22577         -funit-at-a-time documentation.
22579 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
22580             Kazu Hirata  <kazu@codesourcery.com>
22582         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22584 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
22586         * Makefile.in (FUNCTION_H): New.  Use it instead of
22587         function.h throughout the file.
22588         * function.h: Include tree.h.
22590 2006-01-17  Ben Elliston  <bje@au.ibm.com>
22592         * recog.c: Separate some functions with whitespace.
22594 2006-01-16  Richard Henderson  <rth@redhat.com>
22596         Merge from gomp branch:
22597         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
22598         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22599         and rename from struct inline_data.  Rename callee* to dst*;
22600         caller* to src*; add copy_decl hook, transform_call_graph_edges,
22601         transform_new_cfg, transform_return_to_modify, and
22602         transform_lang_insert_block flags; remove cloning_p, versioning_p,
22603         update_clones_p.
22604         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22605         (copy_decl_for_dup): Remove.
22606         * tree-inline.c (struct inline_data): Move to header.
22607         (insert_decl_map): Export.
22608         (remap_decl): Update for member name changes.  Use copy_decl hook.
22609         Allow for replacement to be a non-decl.  Remove dead code.
22610         (remap_type_1): Check for existing mapping.
22611         (remap_type): Export.
22612         (remap_decls): Update for member name changes.
22613         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22614         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22615         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22616         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22617         (tree_function_versioning, build_duplicate_type): Likewise.
22618         (copy_body_r): Likewise.  Export.
22619         (copy_decl_for_dup): Split into ...
22620         (copy_decl_for_dup_finish, copy_decl_to_var,
22621         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22622         (replace_ref_tree, inlining_p): Remove.
22624 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22626         * ifcvt.c (if_convert): Make it static.
22627         * rtl.h: Remove the prototype for if_convert.
22629         * local-alloc.c (local_alloc): Make it static.
22630         * rtl.h: Remove the prototype for local_alloc.
22632         * loop.c (loop_optimize): Make it static.
22633         * cfgloop.h: Remove the prototype for loop_optimize.
22634         * rtl.h: Likewise.
22636 2006-01-16  DJ Delorie  <dj@redhat.com>
22638         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22639         mems.
22641 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22643         * pa.md: Disparage copies between general and floating-point registers
22644         in 32-bit move patterns.
22646 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
22648         PR testsuite/25741
22649         * Makefile.in (check-%): Depend on site.exp instead of
22650         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22651         directories.
22653 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22655         * global.c (global_alloc): Make it static.
22656         * rtl.h: Remove the prototype for global_alloc.
22658 2006-01-16  Richard Guenther  <rguenther@suse.de>
22660         * tree-ssa-alias.c (struct used_part): Add write_only field.
22661         (get_or_create_used_part_for): Initialize it to true.
22662         (create_overlap_variables_for): Don't create structure variables
22663         for structures that only are written to.
22664         (find_used_portions): Handle MODIFY_EXPR to track whether a
22665         structure is only written to.
22667 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22669         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22670         static.
22671         * basic-block.h: Remove the prototype for
22672         partition_hot_cold_basic_blocks.
22674 2006-01-16  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
22676         * cppspec.c (lang_specific_spec_functions): Remove.
22677         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22678         * gcc.h (lang_specific_spec_functions): Remove.
22679         * gccspec.c (lang_specific_spec_functions): Remove.
22681 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
22683         * combine.c (record_value_for_reg): Invalidate registers
22684         if INSN is null.
22685         (record_dead_and_set_regs_1): Likewise, by passing them to
22686         record_value_for_reg.
22687         (record_dead_and_set_regs): Invalidate stores made by a
22688         call.  We do not combine across a call, but we still
22689         relied on equivalences.
22691 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
22693         * tree-vrp.c (extract_range_from_binary_expr): Cope with
22694         vrp_int_const_binop returning non-constant nodes.
22696 2006-01-16  Paul Brook  <paul@codesourcery.com>
22698         * config/m68k/m68k.c (output_move_const_into_data_reg):
22699         Output correct mnemonic for mvz and mvs.
22701 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
22703         * rtl-factoring.c: Add sequence abstraction algorithm.
22704         * cfgcleanup.c (outgoing_edges_match): Extra checks.
22705         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22706         ABNORMAL edges.
22707         (block_has_preserve_label): New function.
22708         * common.opt: Register new pass.
22709         * Makefile.in: Ditto.
22710         * passes.c: Ditto.
22711         * timevar.def: Ditto.
22712         * tree-pass.h: Ditto.
22713         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22714         * rtl.h (make_jump_insn_raw): Add forward decl.
22715         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22717 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
22718             Roger Sayle  <roger@eyesopen.com>
22720         * fold-const.c (fold_minmax): New static function.
22721         (fold_binary) <MIN_EXPR>: Call it.
22722         <MAX_EXPR>: Likewise.
22723         * stor-layout.c (place_field): Use DECL_SIZE consistently
22724         in the computation of the new record size.
22726 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22728         * cse.c (cse_condition_code_reg): Make it static.
22729         * rtl.h: Remove the prototype for cse_condition_code_reg.
22731         * combine.c (combine_instructions): Make it static.
22732         * rtl.h: Remove the prototype for combine_instructions.
22734 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22736         PR target/25168
22737         * tree.c (get_file_function_name_long): Concatenate the first global
22738         object name with a string derived from the input filename of the object
22739         for type "F".
22741 2006-01-16  Ben Elliston  <bje@au.ibm.com>
22743         * config/i386/winnt-stubs.c: Update FSF address.
22744         * config/xtensa/ieee754-df.S: Ditto.
22745         * config/xtensa/ieee754-sf.S: Ditto.
22747 2006-01-14  Ian Lance Taylor  <ian@airs.com>
22749         * ifcvt.c (noce_init_if_info): New static function, broken out of
22750         noce_process_if_block.
22751         (noce_process_if_block): Call noce_init_if_info.
22752         (check_cond_move_block): New static function.
22753         (cond_move_process_if_block): New static function.
22754         (process_if_block): Call cond_move_process_if_block.
22756 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
22758         * cselib.c (hash_table): Rename to cselib_hash_table.
22759         (cselib_clear_table, discard_useless_values,
22760         remove_useless_values, cselib_lookup_mem, cselib_lookup,
22761         cselib_init, cselib_finish): Adjust uses of hash_table.
22763 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
22765         PR tree-optimization/25485
22766         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22767         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22768         is known to be false and true, respectively.
22770 2006-01-14  Richard Guenther  <rguenther@suse.de>
22772         PR tree-optimization/22548
22773         PR tree-optimization/22555
22774         PR tree-optimization/22501
22775         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22776         * params.def (salias-max-array-elements): New parameter.
22777         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22778         * doc/invoke.texi (salias-max-array-elements): Document.
22779         * tree-flow-inline.h (var_can_have_subvars): We also handle
22780         arrays now.
22781         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22782         COMPONENT_REF.
22783         * tree-ssa-structalias.c (params.h): Include.
22784         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22785         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22786         (get_constraint_for): For ADDR_EXPR operating on something
22787         containing an ARRAY_REF, add all subvars to the solution.
22788         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22789         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22790         for creating MUST_DEFs.
22791         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22793 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
22795         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22796         functions.
22797         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22798         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22799         number_of_iterations_le): New functions.
22800         (number_of_iterations_special): Removed.
22801         (number_of_iterations_exit): Do not use number_of_iterations_special.
22802         * tree.c (unsigned_type_for): Always return integer type.
22804 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
22805         Richard Guenther  <rguenther@suse.de>
22807         PR rtl-optimization/24257
22808         * gcse.c (find_moveable_store): Only consider a store movable
22809         when the SET_SRC of the insn can be assigned to a register.
22811 2006-01-14  Ian Lance Taylor  <ian@airs.com>
22813         * tree.c (tree_not_class_check_failed): New function.
22814         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22815         (tree_not_class_check_failed): Declare.
22817 2006-01-13  Ian Lance Taylor  <ian@airs.com>
22819         * reload1.c (do_output_reload): Add assertion rejecting a
22820         CALL_INSN.
22822 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
22824         * combine.c (struct reg_stat): Add new fields truncation_label and
22825         truncated_to_mode.
22826         (record_value_for_reg): Reset truncated_to_mode.
22827         (record_truncated_value): New function.
22828         (check_promoted_subreg): Call it.  Rename to check_conversions.
22829         (combine_instructions): Rename check_promoted_subreg to
22830         check_conversions.
22831         (reg_truncated_to_mode): New function.
22832         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
22833         (gen_lowpart_or_truncate): New function.
22834         (force_to_mode): Use it instead of gen_lowpart.
22836 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
22838         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
22839         VAR is a tag, not its type tag.
22841 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
22843         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22844         alternatives to match style of other entries.
22845         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
22847 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
22849         PR tree-optimization/25771
22850         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22851         SSA_NAMES.
22853 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
22855         PR tree-opt/24365
22856         * tree-inline.c (declare_return_variable): If the return variable
22857         was marked as a non gimple complex, set the return slot variable
22858         to be a non gimple comple variable.
22860 2006-01-13  Richard Guenther  <rguenther@suse.de>
22862         * builtins.c (expand_builtin_sincos): New function.
22863         (expand_builtin_mathfn_3): Remove dead code, sin and cos
22864         do not set errno.
22865         (expand_builtin): Expand sincos using expand_builtin_sincos.
22867 2006-01-12  DJ Delorie  <dj@redhat.com>
22869         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22870         shift counts, separate SI shifts for m32c vs m16c, pass shift type
22871         so that constant shifts can be split.
22872         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22873         (m32c_valid_pointer_mode): Make static.
22874         (shift_gen_func_for): New.
22875         (m32c_prepare_shift): Use it.  Split large const shifts into
22876         multiple shifts.
22877         * config/m32c/predicates.md (shiftcount_operand): Allow more
22878         general operands.
22879         (longshiftcount_operand): New.
22880         * doc/md.texi (Machine Constraints): Document In6.
22882 2006-01-13  Ben Elliston  <bje@au.ibm.com>
22884         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22885         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22886         documentation.
22888 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
22890         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22891         to try to avoid clobbering pieces of structures when we know
22892         something about the whole structure.
22893         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22895 2006-01-13  Ben Elliston  <bje@au.ibm.com>
22897         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22898         return in memory, as this is no limitation is no longer present.
22900 2006-01-12  DJ Delorie  <dj@redhat.com>
22902         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22903         mova with fb, and for fb+0 -> An.
22905         * config/m32c/mov.md (peephole2): Fix enabling logic.
22907         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22908         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22909         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22910         FINI_ARRAY_SECTION_ASM_OP): Define.
22912         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22913         variable.
22914         (m32c_legitimize_reload_address): New logic to reload FB to An.
22915         (m32c_output_reg_push): Add newline.
22916         (m32c_output_reg_pop): Likewise.
22918 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
22920         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22922 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
22924         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22926 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22928         * config/sh/predicates.md (sh_rep_vec): Add parallel to
22929         match_code.
22931 2006-01-11  Ben Elliston  <bje@au.ibm.com>
22933         * rtlanal.c (find_reg_note): Assert insn is not null.
22935 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
22937         * df-scan.c (df_hard_reg_init): Move declaration of i outside
22938         ifdef.
22940 2006-01-11  Jeff Law  <law@redhat.com>
22942         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22943         hold edge pairs.
22944         (mark_threaded_blocks, register_jump_thread): New functions.
22945         (thread_through_all_blocks): Remove unwanted argument.  No
22946         longer rely on e->aux to communicate thread target info.
22947         Call mark_threaded_blocks.  Release the threaded_blocks
22948         bitmap and threaded_edges vector when complete.
22949         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22950         (threaded_blocks): Remove.
22951         (tree_ssa_dominator_optimize): Remove initialization and
22952         finalization of threaded_blocks.  Simplify call to
22953         thread_through_all_blocks.
22954         (thread_across_edge): Call register_jump_thread rather than
22955         storing thread information into e->aux.
22956         (free_all_edge_infos): Simplify now that e->aux is no longer
22957         used to communicate with thread_through_all_blocks.
22958         * tree-flow.h (thread_through_all_blocks): Update prototype.
22959         (register_jump_thread): Prototype.
22961 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22963         * df-core.c (df_compact_blocks, df_bb_replace): Use
22964         SET_BASIC_BLOCK instead of BASIC_BLOCK.
22966 2006-01-11  Richard Guenther  <rguenther@suse.de>
22968         PR tree-optimization/25734
22969         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22970         stop propagation after successful propagation to the LHS.
22972 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22974         * basic-block.h (control_flow_graph): Change the type of
22975         x_basic_block_info to VEC(basic_block,gc) *.
22976         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22977         basic_block_info.
22978         (SET_BASIC_BLOCK): New.
22979         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22980         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22981         * cfgbuild.c (find_basic_blocks): Likewise.
22982         * cfglayout.c (fixup_reorder_chain): Likewise.
22983         * cfgrtl.c (create_basic_block_structure,
22984         rtl_create_basic_block): Likewise.
22985         * ifcvt.c (find_if_case_1): Likewise.
22986         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22987         Likewise.
22989 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
22991         * Makefile.in: Removed rotted odf.c entry.
22993 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
22995         PR target/25706
22996         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22997         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22998         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22999         output pattern modifier, not %e.
23000         * config/cris/cris.c (cris_op_str): Update comment about pattern
23001         modifier.
23002         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
23003         before falling through into...
23004         <case 'E'>: Redefined from old 'e' case.
23006 2006-01-11  Jan Hubicka  <jh@suse.cz>
23008         PR target/25042
23009         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
23011 2006-01-11  Jan Hubicka  <jh@suse.cz>
23013         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
23014         * i386.c (x86_decompose_lea): Kill.
23015         (ix86_rtx_costs): Kill.
23017 2006-01-11  Jan Hubicka  <jh@suse.cz>
23019         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
23020         * cgraph.h (cgraph_node): Add inline_decl.
23021         (cgraph_insert_node_to_hashtable): Declare.
23022         (save_inline_function_body): Declare.
23023         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
23024         clones.
23025         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
23026         (cgraph_function_versioning): Update call of tree_function_versioning.
23027         (save_inline_function_body): New function.
23028         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
23029         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
23030         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
23031         (cgraph_default_inline_p): Likewise.
23032         (cgraph_decide_inlining_incrementally): Likewise.
23033         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
23034         (copy_bb): Kill saving; do updating of clones.
23035         (copy_cfg_body): Kill saving.
23036         (initialize_inlined-parameters): Likewise.
23037         (expand_call_inline): Likewise.
23038         (save_body): Kill.
23039         (tree_function_versioning): New parameter "update_clones".
23040         (inlining_p): Kill saving.
23041         * tree-inline.h (tree_function_versioning): Update prototype.
23042         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
23043         saving.
23045 2006-01-11  Ian Lance Taylor <ian@airs.com>
23047         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
23048         Allow undoing set of machine mode.
23049         (do_SUBST): Use enums instead of is_int.
23050         (do_SUBST_MODE): New function.
23051         (SUBST_MODE): New macro.
23052         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
23053         reg and trying to replace reg_regno_rtx with a new register.
23054         (undo_all): Use new enums, handle undoing a PUT_MODE change.
23055         (simplify_set): Use SUBST_MODE.
23056         (distribute_notes): Remove code that tried to update reg notes
23057         for regno_reg_rtx changes.
23059 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
23061         PR tree-optimization/23109
23062         PR tree-optimization/23948
23063         PR tree-optimization/24123
23065         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
23066         * tree-cfg.c (single_noncomplex_succ): New.
23067         * tree-flow.h (single_noncomplex_succ): Declare it.
23068         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
23069         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
23070         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
23071         insert_bb, register_division_in, insert_reciprocals,
23072         replace_reciprocal, free_bb): New.
23073         (execute_cse_reciprocals_1): Rewritten.
23074         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
23075         Do not commit any edge insertion.  Always compute dominators and
23076         create the allocation pool.
23077         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
23078         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
23079         * targhooks.c (default_min_divistions_for_recip_mul): New.
23080         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
23081         * passes.c (init_optimization_passes): Run recip after tree loop
23082         optimizations.
23083         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
23085 2006-01-11  Danny Berlin <dberlin@dberlin.org>
23086             Kenneth Zadeck <zadeck@naturalbridge.com>
23088         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
23089         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
23090         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
23091         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
23092         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
23093         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
23094         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
23095         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
23096         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
23097         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
23098         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
23099         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
23100         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
23101         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
23102         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
23103         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
23104         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
23105         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
23106         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
23107         DF_SCAN_POST_ALLOC): New macros.
23108         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
23109         df_free_bb_function, df_local_compute_function, df_init_function,
23110         df_dataflow_function, df_confluence_function_0,
23111         df_confluence_function_n, df_transfer_function,
23112         df_finalizer_function, df_free_function, df_dump_problem_function,
23113         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
23114         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
23115         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
23116         df_urec_bb_info, ) New types.
23117         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
23118         variables.
23119         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
23120         df_analyze_simple_change_some_blocks,
23121         df_analyze_simple_change_one_block, df_compact_blocks,
23122         df_bb_replace, df_bb_regno_last_use_find,
23123         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
23124         df_insn_regno_def_p, df_find_def, df_find_use,
23125         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
23126         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
23127         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
23128         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
23129         debug_df_chain, df_get_dependent_problem, df_chain_create,
23130         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
23131         df_grow_bb_info, df_chain_dump, df_print_bb_index,
23132         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
23133         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
23134         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
23135         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
23136         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
23137         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
23138         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
23139         df_ref_remove, df_insn_refs_delete, df_refs_delete,
23140         df_reorganize_refs, df_set_state, df_hard_reg_init,
23141         df_read_modify_subreg_p) New public functions.
23142         * df-core.c: The core dataflow solver and glue routines for rtl
23143         dataflow.
23144         (df_init, df_add_problem, df_set_blocks, df_finish,
23145         df_hybrid_search_forward, df_hybrid_search_backward,
23146         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
23147         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
23148         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
23149         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
23150         df_reg_defined, df_find_use, df_reg_used, df_dump,
23151         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
23152         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
23153         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
23154         debug_df_useno, reset_df_after_reload): New functions.
23155         * df-scan.c: The scanning fuctions, once in df.c, completely
23156         rewritten so that they now fully model the functionality of
23157         register usage at the backend.
23158         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
23159         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
23160         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
23161         df_grow_insn_info, df_rescan_blocks, df_ref_create,
23162         df_get_artificial_defs, df_get_artificial_uses,
23163         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
23164         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
23165         df_refs_delete, df_reorganize_refs, df_set_state,
23166         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
23167         df_def_record_1, df_defs_record, df_uses_record,
23168         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
23169         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
23170         df_record_exit_block_uses, df_hard_reg_init): New functions.
23172         * df-problems.c: Seven concrete dataflow problems that use the
23173         scanning in df-scan.c and are solved by the engine in df-core.c.
23174         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
23175         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
23176         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
23177         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
23178         df_ru_free_bb_info, df_ru_alloc,
23179         df_ru_bb_local_compute_process_def,
23180         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
23181         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
23182         df_ru_transfer_function, df_ru_free, df_ru_dump,
23183         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
23184         df_rd_free_bb_info, df_rd_alloc,
23185         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
23186         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
23187         df_rd_transfer_function, df_rd_free, df_rd_dump,
23188         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
23189         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
23190         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
23191         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
23192         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
23193         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
23194         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
23195         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
23196         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
23197         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
23198         df_urec_mark_reg_change, df_urec_check_earlyclobber,
23199         df_urec_mark_reg_use_for_earlyclobber,
23200         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
23201         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
23202         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
23203         df_urec_dump, df_urec_add_problem, df_chain_alloc,
23204         df_chain_create_bb_process_use, df_chain_create_bb,
23205         df_chain_finalize, df_chain_free, df_chains_dump,
23206         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
23207         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
23208         df_reg_lifetime): New functions.
23209         * df.c: Deleted file.
23210         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
23211         consistent with new df api.
23212         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
23213         rest_of_handle_sms): Ditto.
23214         * web.c (unionfind_union, union_defs, entry_register, web_main):
23215         Ditto.
23216         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
23217         invariant_expr_equal_p, find_defs, check_dependencies,
23218         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
23219         free_inv_motion_data, move_loop_invariants): Ditto.
23220         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
23221         Update dependencies.
23222         (odf.c): Added defective entry that was deleted later in day.
23223         * sched-deps.c (sched_analyze_1): Ditto.
23225 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
23227         * tree-ssa-operands.c (get_expr_operands): Record addressable
23228         variables directly.  Do not call add_stmt_operands for CONST_DECLs
23229         and ARRAY_DECLs.
23230         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
23231         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
23233 2006-01-11  Ben Elliston  <bje@au.ibm.com>
23235         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
23236         function returns true in the positive case.
23238 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23240         PR target/20754
23241         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
23242         for SI, DI, SF and DF modes.  Add alternatives to copy between
23243         general and floating point registers to the 32-bit patterns.
23244         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
23245         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
23246         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
23247         generating 64-bit code.
23248         * config/pa/pa.c (output_move_double): Handle copies between general
23249         and floating registers.
23251 2006-01-10  Stuart Hastings  <stuart@apple.com>
23253         * config/i386/i386.md (set_got): Update.
23254         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
23255         (builtin_setjmp_receiver): Mach-O support.
23256         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
23257         (GOT_SYMBOL_NAME): Define.
23258         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
23259         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
23260         * config/i386/i386.c (override_options): Revise for Darwin.
23261         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
23262         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
23263         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
23264         * config/i386/i386-protos.h (output_set_got): Likewise.
23265         * config/darwin.c (machopic_legitimize_pic_address): Update
23266         regs_ever_live[].
23268 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
23270         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
23271         when MODE isn't BLKmode.
23273 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
23275         PR rtl-optimization/25367
23276         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
23278 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
23280         PR target/25718
23281         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
23282         for a negative bound.
23284 2006-01-10  Richard Guenther  <rguenther@suse.de>
23286         * tree-ssa-structalias.c (get_constraint_for_component_ref):
23287         Never override with anything constraint.
23289 2006-01-10  Jan Beulich  <jbeulich@novell.com>
23291         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23292         256 bits when optimize_size.
23294 2006-01-10  Jan Beulich  <jbeulich@novell.com>
23296         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23297         MASK_ALIGN_DOUBLE.
23298         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23299         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23300         arguments.
23302 2006-01-10  Ben Elliston  <bje@au.ibm.com>
23304         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23305         float modes.
23306         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23307         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23308         (USE_FP_FOR_ARG): Reject decimal float modes.
23309         (function_arg_advance): Likewise.
23310         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23311         (rs6000_handle_altivec_attribute): Do not permit decimal floating
23312         point types in AltiVec vectors.
23313         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23314         (rs6000_libcall_value): Likewise.
23316 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
23318         * config/xtensa/ieee754-df.S: New file.
23319         * config/xtensa/ieee754-sf.S: New file.
23320         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23321         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23322         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23324 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
23326         * config/sh/predicates.md (binary_float_operator,
23327         binary_logical_operator, commutative_float_operator,
23328         equality_comparison_operator, greater_comparison_operator,
23329         less_comparison_operator, logical_operator,
23330         noncommutative_float_operator, shift_operator,
23331         symbol_ref_operand, unary_float_operator): Remove redundant
23332         conditionals.
23334 2006-01-09  Jeff Law  <law@redhat.com>
23336         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23337         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
23338         now unused arguments.  Callers updated.
23339         (eliminate_redundant_computations): Remove now unused arguments,
23340         callers updated.
23341         (local_fold): Remove, no longer used.
23342         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23343         and moved to...
23344         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23345         (simplify_cond): New function.
23346         (forward_propagate_into_cond): Call simplify_cond.
23348 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
23350         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23351         (*vec_extractv2di_1_sse): New.
23353 2006-01-09  Ben Elliston  <bje@au.ibm.com>
23355         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23357 2006-01-08  Richard Guenther  <rguenther@suse.de>
23359         * tree-ssa-structalias.c (get_constraint_for): Remove
23360         anyoffset argument.
23361         (get_constraint_for_component_ref): Likewise.
23362         (do_deref): Likewise.
23363         (get_constraint_for): Likewise.
23364         (do_structure_copy): Likewise.
23365         (handle_ptr_arith): Likewise.
23366         (find_func_aliases): Likewise.  Remove unused need_anyoffset
23367         variable.
23369 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
23370             Kaz Kojima  <kkojima@gcc.gnu.org>
23372         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23373         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23374         (EXTRA_CONSTRAINT_C16): Remove.
23375         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23376         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23377         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23378         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23379         constants of SHmedia.  Handle nested constant expressions of
23380         SHmedia correctly.
23381         (andcosts): Fix the costs for SHmedia constants.
23382         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23383         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23384         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23385         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23386         (movv4hi_i, movv2si_i): Likewise.
23387         (movsi_const): Adjust the second operand of ior so to match with
23388         the Csu constraint.
23389         (movdi_const, movdi_const_32bit): Likewise.
23390         (movdi_const_16bit+1): Don't sign-extend LOW.
23391         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
23392         step.
23393         (*double_shori): Fix the split condition.  Use GEN_INT instead
23394         of get_int_mode calls.  Mask lower 16-bit of the argument of
23395         the last GEN_INT.
23396         (sym2GOTPLT): Remove.
23397         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23398         gen_rtx_UNSPEC.
23399         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23400         instead of EXTRA_CONSTRAINT_C16.
23402 2006-01-07  Ian Lance Taylor  <ian@airs.com>
23403             David Edelsohn  <edelsohn@gnu.org>
23405         PR rtl-optimization/25662
23406         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23407         for constant operands instead of simplify_gen_binary.
23408         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23409         after trying simplify_binary_operation
23411 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
23413         * tree.c (iterative_hash_expr): Hash decls based on UID.
23415 2006-01-06  Eric Christopher  <echristo@apple.com>
23417         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23418         (TARGET_UNWIND_EMIT): Fix spelling.
23419         * target.h (gcc_target): Add except_table_label.
23420         * except.c (output_function_exception_table): Use.
23421         * varasm.c (default_emit_except_table_label): New.
23422         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23423         define.
23424         (asm_out): Add here.
23425         * output.h (default_emit_except_table_label): Prototype.
23426         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23427         * config/darwin.c (darwin_emit_except_table_label): Define.
23428         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23430 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
23432         PR tree-optimization/18527
23433         * tree-ssa-loop-niter.c (number_of_iterations_cond,
23434         number_of_iterations_special, number_of_iterations_exit):
23435         Move base and step of an iv to a single structure.  Add
23436         no_overflow flag, and use it in # of iterations analysis.
23437         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23438         folded_casts argument.
23439         (simple_iv): Pass base and step in a structure.  Set no_overflow
23440         flag.
23441         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23442         Evaluate expensiveness of computing # of iterations instead of
23443         the final expression.
23444         * tree-scalar-evolution.h (affine_iv): New structure.
23445         (simple_iv): Declaration changed.
23446         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23447         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23448         find_givs_in_stmt): Changed due to simple_iv change.
23450 2006-01-06  Jeff Law  <law@redhat.com>
23452         PR ada/24994
23453         * tree-cfg.c (bsi_replace): Rename final argument from
23454         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
23455         change (stmt -> orig_stmt).
23456         * tree-eh.c (verify_eh_throw_stmt_node): New function.
23457         (bsi_remove): Add new argument.  Remove EH information
23458         if requested.
23459         (verify_eh_throw_table_statements): New function.
23460         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
23461         updated.
23462         * tree-optimize.c (execute_free_cfg_annotations): Verify
23463         the EH throw statement table after removing annotations.
23464         * except.h (verify_eh_throw_table_statements): Prototype.
23465         * tree-flow.h (bsi_remove): Update prototype.
23466         * tree-vrp.c (remove_range_assertions): Add new argument to
23467         bsi_remove call.
23468         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23469         * tree-complex.c (expand_complex_div_wide): Likewise.
23470         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23471         * tree-tailcall.c (eliminate_tailcall): Likewise.
23472         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23473         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23474         * tree-nrv.c (tree_nrv): Likewise.
23475         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23476         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23477         (combine_blocks): Likewise.
23478         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23479         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23480         (cleanup_control_flow): Likewise.
23481         (remove_forwarder_block): Likewise.
23482         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23483         * tree-sra.c (sra_replace): Likewise.
23484         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23485         (forward_propagate_single_use_vars): Likewise.
23486         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23487         * tree-inline.c (expand_call_inline): Likewise.
23488         * tree-vect-transform.c (vect_transform_loop): Likewise.
23489         * tree-outof-ssa.c (rewrite_trees): Likewise.
23490         * tree-cfg.c (make_goto_expr_edges): Likewise.
23491         (cleanup_dead_labels): Likewise.
23492         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23493         (bsi_move_before, bsi_move_after): Likewise.
23494         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23495         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23497 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
23499         PR tree-opt/25528
23500         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23501         and IMAGPART_EXPR.
23502         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23503         on non gimple variables.  Also add checks at the top for decls and
23504         mtags.
23505         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23506         complex types.
23507         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23508         and IMAGPART_EXPR for creating MUST_DEFs.
23509         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23510         and NAME_MEMORY_TAG separately from the DECLs.
23512 2006-01-06  Richard Guenther  <rguenther@suse.de>
23514         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23515         annotation, if necessary.
23516         * tree-ssa-pre.c (create_expression_by_pieces): Remove
23517         redundant calls to update_stmt.
23518         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23519         Likewise.
23521 2006-01-05  Richard Henderson  <rth@redhat.com>
23523         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23525 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
23527         * c-typeck.c: Update copyright date.
23529 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
23531         * c-typeck.c (build_c_cast): Always warn when casting
23532         from a pointer to an integer of different size, even if
23533         the node was constant.
23535 2006-01-05  Richard Guenther  <rguenther@suse.de>
23537         PR tree-optimization/22555
23538         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23539         if one structure field is an array.
23540         * tree-ssa-operands.c (get_expr_operands): Continue scanning
23541         operands even if we found a subvar, but ignore VOPs in this
23542         case.
23543         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23544         for renaming.
23545         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23547 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
23549         PR middle-end/24998
23550         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23552 2006-01-05  Richard Guenther  <rguenther@suse.de>
23553             Diego Novillo  <dnovillo@redhat.com>
23555         * tree-pass.h (TODO_remove_unused_locals): Define.
23556         * gimple-low.c (expand_var_p, remove_useless_vars,
23557         pass_remove_useless_vars): Remove.  Update all users.
23558         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23559         (remove_unused_locals): New function.
23560         * tree-flow.h (remove_unused_locals): Declare.
23561         * passes.c (execute_todo): Call remove_unused_locals if
23562         TODO_remove_unused_locals is set.
23563         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23564         * tree-ssa-dce.c (pass_dce): Likewise.
23565         * tree-outof-ssa.c (pass_del_ssa): Likewise.
23567 2006-01-05  Richard Guenther  <rguenther@suse.de>
23569         * tree-flow.h (struct fieldoff): Decompose field to
23570         type, size and decl.
23571         * tree-ssa-alias.c (create_sft): Take type as parameter.
23572         (create_overlap_variables_for): Store type, size and decl
23573         in the fieldoff structure.
23574         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23575         of struct fieldoff.
23576         (push_fields_onto_fieldstack): Likewise.
23577         (create_variable_info_for): Likewise.  Use offset for the
23578         SFT name if the decl is not available.
23580 2006-01-04  Paul Brook  <paul@codesourcery.com>
23582         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23584 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
23586         * lambda-code.c (can_put_in_inner_loop): Relax
23587         restrictions.
23588         (can_put_after_inner_loop): New function.
23589         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23590         (perfect_nestify): Change to make copies and modify uses.
23592 2006-01-04  Richard Henderson  <rth@redhat.com>
23594         Merge from gomp branch:
23595         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23596         via integer constant.
23597         (pragma_lex): Remove.
23598         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23599         rather than parsing it.
23600         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23601         handle_pragma_extern_prefix): Add %< %> quotes.
23602         (registered_pragmas): New.
23603         (c_register_pragma_1): New.
23604         (c_register_pragma): Use it.
23605         (c_register_pragma_with_expansion): Likewise.
23606         (c_invoke_pragma_handler): New.
23607         (init_pragma): Use cpp_register_deferred_pragma directly for
23608         pch_preprocess.
23609         * c-pragma.h (enum pragma_kind): New.
23610         (pragma_handler): New.
23611         (c_invoke_pragma_handler): Declare.
23612         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23613         CPP_PRAGMA_EOL.
23614         * c-common.h (c_common_pch_pragma): Update decl.
23615         * Makefile.in (c-parser.o): Update dependencies.
23616         (GTFILES): Add c-pragma.h.
23617         * c-parser.c (struct c_token): Add pragma_kind.
23618         (struct c_parser): Add in_pragma.
23619         (c_lex_one_token): Always initialize keyword and pragma_kind.
23620         Extract data for CPP_PRAGMA.
23621         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23622         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23623         Don't allow CPP_PRAGMA_EOL if in_pragma.
23624         (c_parser_consume_pragma): New.
23625         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23626         (c_parser_skip_to_end_of_parameter): Likewise.
23627         (c_parser_skip_to_end_of_block_or_statement): Likewise.
23628         (c_parser_skip_to_pragma_eol): New.
23629         (c_parser_external_declaration): Handle CPP_PRAGMA.
23630         (c_parser_compound_statement_nostart): Likewise.
23631         (c_parser_statement_after_labels): Likewise.
23632         (c_parser_pragma): New.
23633         (pragma_lex): Likewise.
23634         (c_parser_pragma_pch_preprocess): New.
23635         (c_parser_new): Merge into ...
23636         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
23638 2006-01-04  Jeff Law  <law@redhat.com>
23640         PR ada/24994
23641         * tree-cfg.c (bsi_replace): Remove the original statement
23642         from the EH throw statement table.
23644 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
23646         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23647         make the prototype extern "C" and add throw ().
23649         PR target/25554
23650         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23651         and pos non-negative and pos + len <= 32.
23652         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23653         drop pos + len < HOST_BITS_PER_WIDE_INT test.
23654         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23656         PR c/25559
23657         * c-common.c (handle_vector_size_attribute): Reject zero vector size
23658         as well as sizes not multiple of component size.
23660         PR debug/25562
23661         * function.c (instantiate_expr): New function.
23662         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23663         walk its DECL_VALUE_EXPR with instantiate_expr.
23665         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23666         DW_OP_deref{,_size} if address isn't going to be added.
23668 2006-01-04  Ben Elliston  <bje@au.ibm.com>
23670         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23671         * config/fp-bit.c: Likewise.
23673 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
23675         * dominance.c: Add comment about why we use DFS numbering
23676         of dominance tree.
23678 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
23679             Richard Henderson  <rth@redhat.com>
23681         Merge from gomp-branch:
23682         * varasm.c (assemble_variable): Handle thread-local COMMON data.
23683         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23685 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
23687         PR rtl-optimization/25578
23688         * combine.c (combine_simplify_rtx, force_to_mode): Don't
23689         pass a parameter to simplify_shift_const if changing ASHIFTRT
23690         to LSHIFTRT.
23692 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
23694         * builtins.c (get_builtin_sync_mem): New function.
23695         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23696         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23697         Call get_builtin_sync_mem to generate mem rtx.
23699 2006-01-03  Richard Guenther  <rguenther@suse.de>
23701         PR c/25183
23702         * stmt.c (add_case_node): Make sure to clear overflow flags
23703         from ranges.
23705 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
23707         Merge from gomp-branch.
23708         * config/sparc/sync.md: New file.
23709         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23710         UNSPECV_LDSTUB): New constants.
23711         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23712         * config/sparc/predicates.md (memory_reg_operand): New predicate.
23713         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23714         prototype.
23716 2006-01-03  Roger Sayle  <roger@eyesopen.com>
23718         * combine.c (reg_subword_p): New predicate to test whether the
23719         destination of a set refers to a subword/piece of a register.
23720         (try_combine): Generalize the code to merge the setting of a
23721         pseudo to a constant followed by a set of a subword of that
23722         register to a constant.
23724 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
23726         * basic-block.h (control_flow_graph): Change the type of
23727         x_label_to_block_map to VEC(basic_block,gc) *.
23728         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23729         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23731         * tree-ssa-propagate.c (cfg_blocks): Change the type to
23732         VEC(basic_block,heap) *.
23733         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23734         ssa_prop_fini): Adjust the uses of cfg_blocks.
23736 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
23738         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23739         COMPONENT_REFs.
23740         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23741         hashing trees instead of a pointer hash.
23742         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23743         compare for MEM_EXPR.
23745         PR rtl-optimization/25130
23746         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23747         when comparing MEMs for GCSE
23749 2006-01-03  Ben Elliston  <bje@au.ibm.com>
23751         * targhooks.h (default_decimal_float_supported_p): Declare.
23752         * targhooks.c (default_decimal_float_supported_p): Define.
23753         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23754         `default_decimal_float_supported_p'.
23755         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23757 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
23759         * combine.c (apply_distributive_law <SUBREG>): Check
23760         TRULY_NOOP_TRUNCATION.
23762 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
23764         * dwarf2out.c (have_switched_text_section): Delete.
23765         (have_multiple_function_sections): New.
23766         (have_location_lists): Make 'bool'.
23767         (add_AT_loc_list): Use 'true' not '1'.
23768         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23769         (output_loc_list): Use have_multiple_function_sections.
23770         (output_ranges): Likewise.
23771         (dwarf2out_begin_function): Set have_multiple_function_sections if
23772         necessary.
23773         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23774         Check function_section rather than DECL_SECTION_NAME.
23775         (dwarf2out_finish): Use have_multiple_function_sections.
23776         Don't clear have_location_lists.
23778 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
23779             Jan Hubicka  <jh@suse.cz>
23781         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23782         case of conditional jump jumping to the next instruction.
23783         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23784         cases of conditional jump jumping to the next instruction.
23786 2006-01-02  Jan Hubicka  <jh@suse.cz>
23788         * i386.c (*_cost): Add COSTS_N_INSNS.
23789         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23791 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
23793         PR target/25259
23794         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23796 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
23798         * config/arm/arm.c (all_fpus): Fix comment typo.
23799         * config/darwin.c: Likewise.
23800         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23801         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23802         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23804 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
23806         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23807         (rs6000_split_compare_and_swapqhi): New.
23808         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23809         (sync_compare_and_swapqhi_internal): New.
23810         * config/rs6000/rs6000-protos.h: Declare.
23813 Copyright (C) 2006 Free Software Foundation, Inc.
23815 Copying and distribution of this file, with or without modification,
23816 are permitted in any medium without royalty provided the copyright
23817 notice and this notice are preserved.