* config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
[official-gcc.git] / gcc / ChangeLog
blob7aadf4e6930ae3c301f3b9f464012e392b9b81cd
1 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
4         64-bit.
6 2007-2-01   Seongbae Park <seongbae.park@gmail.com>
8         PR inline-asm/28686
9         * global.c (global_alloc): Add mising initialization of
10         ELIMINABLE_REGSET.
12 2007-02-01  Roger Sayle  <roger@eyesopen.com>
14         * alias.c (init_alias_analysis): Correct whitespace.
15         * bb-reorder.c (fix_edges_for_rarely_executed_code,
16         partition_hot_cold_basic_blocks): Likewise.
17         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
18         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
19         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
20         fold_builtin_snprintf_chk, fold_builtin_printf,
21         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
22         do_mpfr_arg3, do_mpfr_sincos): Likewise.
23         * cfgcleanup.c (cleanup_cfg): Likewise.
24         * cfgexpand.c (tree_expand_cfg): Likewise.
25         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
26         * function.c (get_next_funcdef_no): Likewise.
27         * gengtype.c (main): Likewise.
28         * genmodes.c (main): Likewise.
29         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
30         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
31         * ifcvt.c (noce_emit_move_insn): Likewise.
32         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
33         Likewise.
34         * stor-layout.c (get_best_mode): Likewise.
35         * tree-ssa-loop-niter.c (get_val_for): Likewise.
36         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
37         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
38         perform_var_substitution, solve_graph): Likewise.
39         * tree-vrp.c (vrp_finalize): Likewise.
41 2007-02-01  Ian Lance Taylor  <iant@google.com>
43         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
44         high part of a paradoxical subreg, return a constant zero.
46 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
48         * toplev.c (lang_dependent_init): Call init_set_costs.
49         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
51 2007-02-01  Richard Guenther  <rguenther@suse.de>
53         PR middle-end/30656
54         * fold-const.c (fold_negate_expr): Allow negating a
55         constant if overflow does not change.
57 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
59         * doc/c-tree.texi (Expression trees): Improve markup.
60         * doc/tm.texi (Register Classes, Addressing Modes)
61         (Floating Point): Fix spacing after abbreviations.  Fix some
62         typos.
64 2007-02-01  Ben Elliston  <bje@au.ibm.com>
66         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
67         * doc/contrib.texi: Likewise.
68         * doc/install.texi: Likewise.
70 2007-01-31  Richard Henderson  <rth@redhat.com>
71             Ian Lance Taylor  <iant@google.com>
73         * lower-subreg.c: New file.
74         * rtl.def (CONCATN): Define.
75         * passes.c (init_optimization_passes): Add pass_lower_subreg and
76         pass_lower_subreg2.
77         * emit-rtl.c (update_reg_offset): New static function, broken out
78         of gen_rtx_REG_offset.
79         (gen_rtx_REG_offset): Call update_reg_offset.
80         (gen_reg_rtx_offset): New function.
81         * regclass.c: Revert patch of 2006-03-05, restoring
82         reg_scan_update.
83         (clear_reg_info_regno): New function.
84         * dwarf2out.c (concatn_loc_descriptor): New static function.
85         (loc_descriptor): Handle CONCATN.
86         * common.opt (fsplit_wide_types): New option.
87         * opts.c (decode_options): Set flag_split_wide_types when
88         optimizing.
89         * timevar.def (TV_LOWER_SUBREG): Define.
90         * rtl.h (gen_reg_rtx_offset): Declare.
91         (reg_scan_update): Declare.
92         * regs.h (clear_reg_info_regno): Declare.
93         * tree-pass.h (pass_lower_subreg): Declare.
94         (pass_lower_subreg2): Declare.
95         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
96         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
97         -fsplit-wide-types.
98         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
99         * Makefile.in (OBJS-common): Add lower-subreg.o.
100         (lower-subreg.o): New target.
102 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
104         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
106 2007-01-31  Anatoly Sokolov <aesok@post.ru>
108         PR target/19087
109         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
111 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
113         PR middle-end/29335
114         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
116 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
118         * cfgloop.h: Include vec-prim.h.
119         (enum li_flags): Remove LI_ONLY_OLD.
120         (loop_iterator): Changed.
121         (fel_next, fel_init): Iterate over loop tree.
122         (FOR_EACH_LOOP_BREAK): New macro.
123         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
124         FOR_EACH_LOOP.
125         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
126         * modulo-sched.c (sms_schedule): Ditto.
127         * tree-vectorizer.c (vectorize_loops): Ditto.
128         * doc/loop.texi: Update information on loop numbering and behavior of
129         FOR_EACH_LOOP wrto new loops.
130         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
131         add_to_evolution_1): Test nestedness of loops instead of comparing
132         their numbers.
133         * tree-chrec.c (chrec_fold_plus_poly_poly,
134         chrec_fold_multiply_poly_poly, chrec_evaluate,
135         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
136         reset_evolution_in_loop): Ditto.
137         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
139 2007-01-31  Dirk Mueller  <dmueller@suse.de>
141         * c-common.c (warn_about_parentheses): Separate warning about
142         un-parenthized sequence of comparison operators from the one
143         which is supposed to warn about x <= y <= z.
145 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
147         * optabs.h (enum optab_index): Add new OTI_isinf.
148         (isinf_optab): Define corresponding macro.
149         * optabs.c (init_optabs): Initialize isinf_optab.
150         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
151         patterns.
152         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
153         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
154         using isinf_optab.
155         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
156         expand_builtin_interclass_mathfn.
157         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
158         * config/i386/i386.md (UNSPEC_FXAM): New constant.
159         (fxam<mode>2_i387): New insn pattern.
160         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
161         built-in functions as x87 inline asm.
163 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
165         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
167 2007-01-30  Eric Christopher  <echristo@apple.com>
169         * config.gcc: Add geode.
171 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
173         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
174         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
175         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
176         value-prof.c: Fix comment typos.
178 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
180         PR c++/24745
181         * doc/invoke.texi (Wpointer-arith): Document warning.
183 2007-01-30  Janis Johnson
185         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
186         the list of discrepancies from the draft TR.
188 2007-01-30  Dirk Mueller  <dmueller@suse.de>
190         PR c++/30601
191         * doc/invoke.texi (-Wreturn-type): Update description to
192         match new behavior.
194 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
196         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
198 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
200         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
201         to handle optabs that operate on floating point input argument and
202         output to integer output.
203         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
204         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
205         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
206         expand_builtin_interclass_mathfn ().
207         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
208         (ilogbsi2): Remove.
209         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
210         ilogbl built-in functions as x87 intrinsics.
212 2007-01-30  Richard Guenther  <rguenther@suse.de>
214         PR middle-end/27657
215         * dwarf2out.c (reference_to_unused): Query varpool if the
216         variable was output.
218 2007-01-30  Richard Guenther  <rguenther@suse.de>
220         PR middle-end/30313
221         * passes.c (execute_one_pass): Reset in_gimple_form to not
222         confuse non-unit-at-a-time mode.
224 2007-01-29  Roger Sayle  <roger@eyesopen.com>
225             Richard Guenther  <rguenther@suse.de>
227         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
228         avoid undefined behaviour on overflow.  Use force_fit_type_double
229         to construct the constant with the specified TREE_OVERFLOW.
231 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
233         * config/dfp-bit.c: Add parameterized support for fp exceptions.
234         * config/dfp-bit.h: Ditto.
236 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
238         * c-decl.c (pop_scope): Replace warnings with call to
239         warn_for_unused_label.
240         * c-common.h (warn_for_unused_label): Declare.
241         * c-common.c (warn_for_unused_label): Define.
243 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
245         * tree-optimize.c (update_inlined_to_pointers): Delete unused
246         function.
248 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
250         * Makefile.in (USER_H): Remove decfloat.h.
251         * ginclude/decfloat.h: Delete, moving contents to ...
252         * ginclude/float.h: Add support for decimal floating point,
253         guarded by __STDC_WANT_DEC_FP__.
255 2007-01-29  Mike Stump  <mrs@apple.com>
257         * doc/gccint.texi (Top): Rename Loop Representation to Loop
258         Analysis and Representation to resolve case insensitive conflict.
259         * doc/loop.texi (Loop Analysis and Representation): Likewise.
261 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
263         * tree.h (struct tree_memory_tag): Add aliases member.
264         (MTAG_ALIASES): New macro.
265         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
266         (add_may_alias): Remove pointer-set. Update for may_aliases being
267         a bitmap.
268         (mark_aliases_call_clobbered): Update for may_aliases being a
269         bitmap.
270         (compute_tag_properties): Ditto.
271         (create_partition_for): Ditto.
272         (compute_memory_partitions): Ditto.
273         (dump_may_aliases_for): Ditto.
274         (is_aliased_with): Ditto.
275         (add_may_alias_for_new_tag): Ditto.
276         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
277         (compute_is_aliased): New function.
278         (compute_may_aliases): Call compute_is_aliased).
279         (init_alias_info): Initialize alias_bitmap_obstack.
280         (union_alias_set_into): New function.
281         (compute_flow_sensitive_aliasing): Use union_aliases_into.
282         (have_common_aliases_p): Rewrite to take two bitmaps and use
283         intersection.
284         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
285         Update for bitmaps.
286         (finalize_ref_all_pointers): Update for add_may_alias changes.
287         (new_type_alias): Ditto.
288         * tree-flow-inline.h (may_aliases): Return a bitmap.
289         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
290         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
291         may_aliases being a bitmap.
292         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
293         may_aliases now returns a bitmap.
294         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
295         being a bitmap.
296         * tree-ssa-operands.c (add_virtual_operand): Update for
297         may_aliases being a bitmap.
299 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
301         PR tree-optimization/30630
302         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
303         variable as changed.
305 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
307         PR c++/28266
308         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
309         expanded only once even if an error occurs.
311 2007-01-29  Ben Elliston  <bje@au.ibm.com>
313         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
314         (__gcov_average_profiler): Likewise.
315         (__gcov_ior_profiler): Likewise.
316         (__gcov_merge_ior): Likewise.
318 2007-01-28  Jan Hubicka  <jh@suse.cz>
320         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
321         * value-prof.c (stringop_block_profile): Likewise.
323 2007-01-28  Jan Hubicka  <jh@suse.cz>
325         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
326         variant handling histograms; add wrapper.
327         (clear_storage_via_libcall): Export.
328         (emit_block_move_hints): Break out from ...; add histograms.
329         (emit_block_move): ... this one.
330         (clear_storage_hints): Break out from ...; add histograms.
331         (clear_storage): ... this one.
332         (set_storage_via_memset): Handle histogram.
333         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
334         (clear_storage_hints, clear_storage_via_libcall): Declare.
335         (set_storage_via_setmem): Update prototype.
336         * doc/md.texi (movmem, setmem): Document new arguments.
338         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
339         new histograms.
340         (stringop_block_profile): New global function.
341         (tree_stringops_values_to_profile): Profile block size and alignment.
342         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
343         HIST_TYPE_IOR.
344         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
345         (stringop_block_profile): Declare.
346         * builtins.c: Include value-prof.h.
347         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
348         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
349         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
350         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
351         * profile.c (instrument_values): Add new counters.
352         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
353         calls.
354         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
355         (tree_init_edge_profiler): Build new profilers.
356         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
357         (pass_tree_profile): Add dump.
358         (tree_profile_hooks): Update.
359         * Makefile.in (LIBGCOV): Add new constants.
360         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
361         __gcov_ior_profiler): New.
362         * i386.md (movmem/setmem expanders): Add new optional arguments.
364 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
366         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
368 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
370         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
371         (tree_unswitch_single_loop): Pass eni_size_weights to
372         tree_num_loop_insns.
373         * tree-ssa-loop-manip.c: Include tree-inline.h.
374         (can_unroll_loop_p): Pass eni_size_weights to
375         tree_num_loop_insns.
376         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
377         Pass eni_size_weights to estimate_num_insns.
378         * tree.h (init_inline_once): Export.
379         * toplev.c (backend_init): Call init_inline_once.
380         * cgraphunit.c (cgraph_process_new_functions,
381         cgraph_analyze_function): Pass eni_inlining_weights to
382         estimate_num_insns.
383         * ipa-inline.c (compute_inline_parameters): Ditto.
384         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
385         to estimate_num_insns.
386         (try_unroll_loop_completely): Pass eni_size_weights to
387         tree_num_loop_insns.
388         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
389         ot estimate_num_insns.
390         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
391         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
392         * tree-inline.c (eni_inlining_weights, eni_size_weights,
393         eni_time_weights): New variables.
394         (init_inline_once): Initialize them.
395         (struct eni_data): Mew.
396         (estimate_num_insns_1, estimate_num_insns): Use weights.
397         * tree-inline.h (struct eni_weights_d): New.
398         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
399         (estimate_num_insns): Declaration changed.
400         * cfgloop.h (tree_num_loop_insns): Declaration changed.
401         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
402         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
404 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
406         * tree-data-ref.c (conflict_fn): Assert that the number of affine
407         relations in the conflict function is valid.
409 2007-01-27  Ian Lance Taylor  <iant@google.com>
411         * common.opt: Add fstrict-overflow.
412         * opts.c (decode_options): Set flag_strict_overflow if -O2.
413         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
414         (TYPE_OVERFLOW_UNDEFINED): Define.
415         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
416         Replace all uses.
417         * tree.h (TYPE_TRAP_SIGNED): Don't define.
418         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
419         (fold_negate_expr): Likewise.
420         (make_range): Likewise.
421         (extract_muldiv_1): Likewise.
422         (maybe_canonicalize_comparison): Likewise.
423         (fold_comparison): Likewise.
424         (fold_binary): Likewise.
425         (tree_expr_nonnegative_p): Likewise.
426         (tree_expr_nonzero_p): Likewise.
427         * tree-vrp.c (compare_values): Likewise.
428         (extract_range_from_binary_expr): Likewise.
429         (extract_range_from_unary_expr): Likewise.
430         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
431         Likewise.
432         (nowrap_type_p): Likewise.
433         * tree-scalar-evolution.c (simple_iv): Likewise.
434         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
435         (build_range_check): Likewise.
436         (extract_muldiv_1): Likewise.
437         (fold_comparison): Likewise.
438         * tree-vrp.c (vrp_int_const_binop): Likewise.
439         (extract_range_from_unary_expr): Likewise.
440         * convert.c (convert_to_integer): Likewise.
441         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
442         (fold_comparison): Likewise.
443         (fold_binary): Likewise.
444         * optabs.c (optab_for_tree_code): Likewise.
445         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
446         * simplify-rtx.c (simplify_const_relational_operation): Check
447         flag_strict_overflow and flag_trapv.
448         (simplify_const_relational_operation): Likewise.
449         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
450         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
451         -fstrict-overflow.
453 2007-01-27  Roger Sayle  <roger@eyesopen.com>
455         * tree.c (tree_fold_gcd): Delete.
456         * tree.h (tree_fold_gcd): Remove prototype.
457         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
458         test whether one constant integer is a multiple of another.  Instead
459         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
460         * fold-const.c (multiple_of_p):  We've determined both TOP and
461         BOTTOM are integer constants so we can call int_const_binop directly
462         instead of the more generic const_binop.
464 2007-01-27  Roger Sayle  <roger@eyesopen.com>
466         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
467         1*X check that the constant hasn't overflowed, to preserve the
468         TREE_OVERFLOW bit.
469         (round_up): Provide an efficient implementation when rouding-up an
470         INTEGER_CST to a power-of-two.
472 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
474         * doc/sourcebuild.texi: Add comma for clarity.
475         * doc/extend.texi: Fix some typos.
476         * doc/passes.texi: Likewise.
477         * doc/cppinternals.texi: Likewise.
478         * doc/c-tree.texi: Likewise.
479         * doc/tree-ssa.texi: Likewise.
480         * doc/install.texi: Likewise.
482 2007-01-27  Jan Hubicka  <jh@suse.cz>
484         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
485         (pass_sra): Do not require alias information.
486         * passes.c (init_optimization_passes): Add SRA
488 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
490         * tracer.c (rest_of_handle_tracer): We already cleaned
491         up the CFG in tracer() so don't do it here again.
492         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
493         cleanup_cfg here, either.  And don't call renumber_insns.
495         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
496         and BB_HEAD are in the insn stream here.  Instead make sure
497         that BB_INSN is valid on all insns.  Also, do check here that
498         there are no pending branch predictions...
499         (rtl_verify_flow_info): ...instead of doing it here.  Checks
500         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
501         here.
503 2007-01-26  Roger Sayle  <roger@eyesopen.com>
505         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
506         function to simplify/factorize operand order canonicalization.
507         (ix86_fixup_binary_operands): Reorganize using the above function.
508         (ix86_binary_operator_ok): Likewise.
510 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
512         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
513         file scope from optimize_attrs.
514         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
515         up search.
516         (optimize_attrs): Clear insn_code_values after freeing it.
518 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
520         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
521         a parts.base assignment.
523 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
525         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
526         (compute_subscript_distance, initialize_data_dependence_relation,
527         finalize_ddr_dependent, analyze_ziv_subscript,
528         analyze_siv_subscript_cst_affine,
529         compute_overlap_steps_for_affine_univar,
530         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
531         analyze_siv_subscript, analyze_miv_subscript,
532         analyze_overlapping_iterations, subscript_dependence_tester_1,
533         compute_self_dependence, free_dependence_relation): Work
534         with affine_fn instead of chrecs.
535         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
536         common_affine_function, affine_function_base,
537         affine_function_constant_p, affine_fn_op, affine_fn_plus,
538         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
539         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
540         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
541         (all_chrecs_equal_p): Removed.
542         * tree-data-ref.h (affine_fn, conflict_function): New types.
543         (struct subscript): Change type of conflicting_iterations_in_a
544         and conflicting_iterations_in_b.
546 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
548         PR other/30182
549         * config/pa/pa.h (TARGET_HPUX_11): New.
550         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
551         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
553 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
554         Richard Guenther  <rguenther@suse.de>
556         * tree-ssa-structalias.c (solve_graph): Handle case
557         we merged the variable to another.
559 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
561         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
562         functions.
564         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
565         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
567 2007-01-25  DJ Delorie  <dj@redhat.com>
569         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
570         allow changes to modes which don't fit in those registers.
572         * reload1.c (choose_reload_regs): Check for invalid subregs before
573         computing their locations, not after.
575 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
577         PR 25127
578         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
579         save Altivec registers in an eh_return function.
580         (compute_vrsave_mask): Likewise.
581         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
582         for saving Altivec registers.
583         (rs6000_emit_prologue): Don't allocate stack twice in
584         eh_return function.  Correct expected value of altivec_save_offset
585         when using save_world.  Describe save of R0 to stack when using
586         save_world.  Describe stack pointer adjustment when using
587         save_world.  Remove duplicated eh_return parameter register saving.
588         Update sp_offset variable after save_world.
589         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
590         darwin-world.asm.
591         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
592         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
593         implies Altivec.
595 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
597         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
599 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
601         PR other/30182
602         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
603         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
605 2007-01-25  Richard Guenther  <rguenther@suse.de>
607         * doc/invoke.texi (-Wcoverage-mismatch): Document.
608         * common.opt (-Wcoverage-mismatch): New warning option.
609         * coverage.c (get_coverage_counts): Ignore coverage mismatch
610         if -Wcoverage-mismatch is given.
612 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
614         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
615         (ipcp_driver): Change to static definition.
616         Add dumping of the ifunctions.
617         (constant_val_insert): Remove unused parameter. Support for SSA.
618         (ipcp_propagate_const): Support for SSA.
619         (ipcp_profile_bb_print): Print only analyzed nodes.
620         (ipcp_replace_map_create): Remove support for Fortran constant
621         for now.
622         * ipa-prop.c (ipa_method_modify_stmt,
623         ipa_callsite_compute_param): Support for SSA.
624         * ipa-prop.h (ipcp_driver): Remove declaration.
625         (IS_VALID_TREE_MAP_INDEX): Add define.
627 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
629         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
631 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
633         PR middle-end/30447
634         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
635         constant argument to cabs and do it without checking for
636         -funsafe-math-optimizations.
638 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
640         * c-common.h (RID_FIRST_CXX0X): New.
641         (RID_LAST_CXX0X): New.
642         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
643         by -Wall.
644         * c.opt (Wc++0x-compat): New.
645         * doc/invoke.texi (-Wc++0x-compat): Document.
647 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
649         * builtins.c (fold_builtin_carg): New.
650         (fold_builtin_1): Use it.
652 2007-01-24  Jan Hubicka  <jh@suse.cz>
654         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
656         * ipa-inline.c (initial_insns, max_insns): Delete.
657         (compute_max_insns): New function.
658         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
659         of insns as base for code growth.
660         (cgraph_decide_inlining): Make initial_insns local; do not compute
661         max_insns.
662         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
663         * doc/invoke.texi (inline-unit-growth): Update docs.
665 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
667         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
668         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
669         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
670         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
671         for CPUs that have PTA_CX16 set.
673         PR middle-end/27416
674         * gimplify.c (omp_check_private): New function.
675         (gimplify_scan_omp_clauses): Use it for
676         firstprivate/lastprivate/reduction.
678         PR middle-end/30494
679         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
680         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
682         PR middle-end/30421
683         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
684         If lower_lastprivate_clauses emits some statements, append them
685         to dlist rather than body_p and to body_p append an initializer.
686         (lower_omp_for): Adjust caller.
688 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
690         * target.h (globalize_decl_name): New.
691         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
692         * output.h (default_globalize_decl_name): New.
693         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
694         globalize_label.
695         (globalize_decl): Ditto.
696         (default_globalize_decl_name): New.
697         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
698         (ia64_handle_version_id_attribute): New.
699         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
700         (ia64_asm_output_external): Use globalize_decl_name instead
701         of globalize_label.
702         * doc/extend.texi (version_id): New pragma.
703         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
705 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
707         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
708         _uleb128_t and _Unwind_SWord with _sleb128_t.
709         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
710         uw_frame_state_for, uw_update_context_1): Likewise.
711         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
712         * unwind-pe.h (read_uleb128, read_sleb128,
713         read_encoded_value_with_base): Likewise.
714         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
716 2007-01-24  Richard Guenther  <rguenther@suse.de>
718         * builtins.c (expand_builtin_cexpi): Get the fndecl
719         for cexp in the correct way.
721 2007-01-24  Jan Hubicka  <jh@suse.cz>
723         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
725 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
727         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
728         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
729         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
730         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
731         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
732         __SIZEOF_PTRDIFF_T__.
733         * doc/cpp.texi: Documentation for the new builtin macros added.
735 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
737         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
738         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
739         instead of operands[2] to avoid access past the end of array.
741 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
743         * reload1.c (emit_reload_insns): Pass the reload register
744         for a non-spill output reload through forget_old_reloads_1.
746 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
748         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
749         _SOFT_DOUBLE if doubles use software floating-point.
750         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
751         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
752         * config/rs6000/darwin-ldouble.c: Also compile functions for
753         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
754         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
755         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
756         commented-out long double override.
757         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
758         * config/rs6000/eabispe.h: Likewise.
759         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
760         long double for non-SPE.
761         (rs6000_handle_option): Likewise.
762         (invalid_e500_subreg): Disallow more subregs involding DImode,
763         DFmode, TImode or TFmode.
764         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
765         E500 double.
766         (legitimate_lo_sum_address_p): Also check for TFmode for E500
767         double.
768         (rs6000_legitimize_address): Also handle TFmode for E500 double.
769         (rs6000_legitimize_reload_address): Also handle TFmode for E500
770         double.
771         (rs6000_legitimate_address): Also check for TFmode for E500
772         double.
773         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
774         (spe_build_register_parallel): Handle TFmode and TCmode.
775         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
776         double.
777         (function_arg): Handle TFmode and TCmode for E500 double.
778         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
779         in general.
780         (print_operand): Handle TFmode and TImode for %y.
781         (rs6000_generate_compare): Handle TFmode comparisons for E500
782         double.
783         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
784         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
785         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
786         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
787         TFmode for E500 double.
788         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
789         (floatsidf2): Enable for E500 double.
790         (movtf_softfloat): Use rs6000_nonimmediate_operand.
791         (extenddftf2): Change to extenddftf2_fprs.
792         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
793         depending on TARGET_E500_DOUBLE.
794         (extendsftf2): Enable for E500 double.
795         (trunctfdf2): Enable for E500 double.
796         (trunctfsf2): Change to trunctfsf2_fprs.
797         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
798         depending on TARGET_E500_DOUBLE.
799         (floatsitf2): Enable for E500 double.
800         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
801         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
802         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
803         (negtf2): Change to negtf2_internal.
804         (negtf2): New expander.
805         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
806         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
807         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
808         (movdi_internal32): Use rs6000_nonimmediate_operand.
809         (unnamed splitter): Likewise.
810         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
811         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
812         (SPE64TF, DITI): New mode macros.
813         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
814         modes.
815         (frob_tf_ti): New.
816         (frob_<mode>_di_2): New.
817         (frob_tf_di_8_2): New.
818         (frob_di_df): Change to frob_di_<mode>; allow more modes.
819         (frob_ti_tf): New.
820         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
821         more modes.
822         (frob_ti_<mode>_8_2): New.
823         (frob_ti_tf_2): New.
824         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
825         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
826         TFmode.
827         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
828         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
829         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
830         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
831         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
832         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
833         tsttflt_gp): New.
835 2007-01-23  Ian Lance Taylor  <iant@google.com>
837         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
838         insn-*.o first.
839         (OBJS-archive): Reformat, alphabetize.
840         (OBJS): Change out_object_file to OBJS-md.
842 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
844         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
845         JUMP_P and CALL_P predicates where applicable.
846         * config/i386/i386.c: Ditto.
847         * config/i386/i386.md: Ditto.
848         * config/i386/mmx.md: Ditto.
849         * config/i386/predicates.md: Ditto.
851 2007-01-22  Andreas Schwab  <schwab@suse.de>
853         * config/m68k/m68k.h: Fix comment.
855 2007-01-22  Jan Hubicka  <jh@suse.cz>
857         * passes.c (init_optimization_passes): Do not rerun
858         pass_early_warn_uninitialized.
860 2007-01-22  Richard Guenther  <rguenther@suse.de>
862         PR tree-optimization/30038
863         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
864         function.
865         (execute_cse_sincos_1): Likewise.
866         (execute_cse_sincos): Likewise.
867         (gate_cse_sincos): Likewise.
868         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
869         the cexpi() canonicalization of sincos().
870         * tree-pass.h (pass_cse_sincos): Declare.
871         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
873 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
875         PR rtl-optimization/29329
876         * combine.c (replaced_rhs_insn): Rename to i2mod.
877         (replaced_rhs_value): Rename to i2mod_new_rhs.
878         (i2mod_old_rhs): New global variable.
879         (combine_instructions): Adjust for above change.  Save a copy of
880         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
881         note are substituted in the second instruction.
882         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
883         ditch the note if it pertains to the second eliminated register
884         and this register is mentioned in i2mod_old_rhs.
886         Revert:
887         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
889         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
890         the insn to which the note was originally attached.
892 2007-01-21  Jan Hubicka  <jh@suse.cz>
894         * ipa-inline.c (inlining_mode): Comment, move up.
895         (cgraph_decide_inlining_incrementally): Do not perform inlining
896         itself; fix handling of flattening of self recursive functions.
897         (cgraph_find_cycles): Remove.
898         (cgraph_flatten_node): Remove.
899         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
900         (try_inline): New function.
901         (cgraph_early_inlining): Update call of
902         cgraph_decide_inlining_incrementally.  Apply inlining here.
903         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
905 2007-01-21  Dirk Mueller  <dmueller@suse.de>
907         PR bootstrap/30511
908         * tree-vrp.c (check_array_bounds): do not warn
909         about ADDR_EXPR's of ARRAY_REF's which are immediately
910         used in binary expressions.
912 2007-01-21  Ira Rosen  <irar@il.ibm.com>
914         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
915         read_write_dep and macros for its access.
916         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
917         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
918         argument, call vect_check_interleaving for every independent pair of
919         data-refs. Mark loads that access the same memory location as a store
920         in the loop.
921         (vect_check_dependences): Remove.
922         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
923         call, fix the call to vect_analyze_data_ref_dependence.
924         (vect_analyze_data_ref_access): For statements that access the same
925         data-ref, check that they are not stores; for loads, check that there
926         is no store that access the same location.
928 2007-01-20  Roger Sayle  <roger@eyesopen.com>
929             Joseph Myers  <joseph@codesourcery.com>
931         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
932         (-fdump-rtl-stack): Likewise.
933         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
934         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
935         (-mpt-fixed): Use @minus{} for minus sign.
936         (Using Precompiled Headers): Fix under/overfull hbox.
938 2007-01-20  Jan Hubicka  <jh@suse.cz>
940         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
941         place within annotation.
943 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
945         * pa.c (output_move_double): Change array size of xoperands to 4.
947 2007-01-20  Jan Hubicka  <jh@suse.cz>
949         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
950         as temporary.
952 2007-01-19  Ian Lance Taylor  <iant@google.com>
954         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
955         constant to unsigned HOST_WIDE_INT before negating.
957 2007-01-19  Ian Lance Taylor  <iant@google.com>
959         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
960         to unsigned.
961         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
962         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
963         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
964         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
965         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
966         (realloc_vdef, realloc_vuse): Change second parameter to
967         unsigned.
968         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
969         fields to unsigned.
970         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
971         unsigned. Change x and lim locals to unsigned.
972         (realloc_vdef, realloc_vuse): Change num_elem parameter to
973         unsigned.
974         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
975         (copy_virtual_operands): Change i and n locals to unsigned.
977 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
979         PR middle-end/29335
980         * builtins.c (fold_builtin_1): Handle builtin fdim.
982 2007-01-20  Jan Hubicka  <jh@suse.cz>
984         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
985         * tree-ssa-structalias.c (compute_points_to_sets): Do call
986         init_alias_heapvars.
987         (init_alias_heapvars): Initialize only when not already initialized.
988         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
990 2007-01-19  Roger Sayle  <roger@eyesopen.com>
992         * common.opt (fsigned-zeros): New command line option.
993         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
994         of flag_unsafe_math_optimizations.
995         * opts.c (set_fast_math_flags): The -ffast-math command line option
996         implies -fno-signed-zeros.
997         (fast_math_flags_set_p): Likewise.
999         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
1000         the documentation of -ffast-math appropriately.  Wrap long lines.
1002 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
1004         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
1005         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
1007 2007-01-19  Tomas Bily  <tbily@suse.cz>
1009         * cgraphunit.c (cgraph_finalize_function): Updating of pid
1010         * tree-profile.c:
1011         (tree_init_ic_make_global_vars): New function
1012         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
1013         (tree_gen_ic_profiler): New function
1014         (tree_gen_ic_func_profiler): New function
1015         (tree_profiling): Added calling of tree_gen_ic_func_profiler
1016         (tree_profile_hooks): Added hook for indirec/virtual calls
1017         * value-prof.c (tree_find_values_to_profile): New case for
1018         indirect calls
1019         (tree_values_to_profile): Call for determining indirect/virtual
1020         counters
1021         (tree_indirect_call_to_profile): New function
1022         (tree_ic_transform): New function
1023         (tree_ic): New function
1024         (find_func_by_pid): New function
1025         (init_pid_map): New function
1026         (tree_value_profile_transformations): Added check for
1027         indirect/virtual call transformation
1028         * value-prof.h (enum hist_type): New counter type for
1029         indirect/virtual calls
1030         (profile_hooks): Added new hook for profiling indirect/virtual
1031         calls
1032         * profile.c (instrument_values): New case for indirect/virtual
1033         call added
1034         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
1035         (GCOV_COUNTER_V_INDIR): New counter type
1036         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
1037         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
1038         call added
1039         * cgraph.c: Definition of cgraph_max_pid
1040         (cgraph_create_node): Default init of pid attribute
1041         * cgraph.h: Declaration of cgraph_max_pid
1042         (struct cgraph_node): Added pid attribute
1043         * libgcov.c (__gcov_indirect_call_profiler): New function
1044         (__gcov_one_value_profiler_body): New function
1045         (__gcov_one_value_profiler): Body was moved to
1046         __gcov_one_value_profiler_body and calls it
1048 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
1050         * doc/gty.texi (Options): Document the mark_hook option to GTY.
1051         * gengtype.c (write_types_data, write_func_for_structure,
1052         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
1053         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
1054         (walk_type, write_func_for_structure): Generate the mark_hook if
1055         needed.
1057 2007-01-19  Jan Hubicka  <jh@suse.cz>
1059         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
1060         'early' argument take inlining mode argument specifying whether to
1061         inline for size/speeed or all functions; add support for flattening;
1062         improve dumpting.
1063         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
1065 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1067         PR c++/17947
1068         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
1069         the name of the declared identifier.
1071 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1073         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
1074         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
1075         duplicate evaluation.
1077 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1079         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
1080         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
1081         to XFMode, use acosxf2 and truncate result to requested mode.
1082         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1083         (asin<mode>2): Similarly, with asin expanders.
1084         (*fscalexf4_i387): Rename from *fscalexf4.
1085         (expNcorexf3): New expander.
1086         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
1087         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
1088         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
1089         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
1090         patterns for SSE math.
1091         (exp10<mode>2): Similarly, with exp10 expanders.
1092         (exp2<mode>2): Similarly, with exp2 expanders.
1093         (expm1<mode>2): Similarly, with expm1 expanders.
1094         (ldexp<mode>3): Similarly, with ldexp expanders.
1095         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
1096         Use gen_truncxf<mode>2_i387_noop to truncate result.
1098 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1100         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
1101         for ColdFire targets.
1103 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
1104             Richard Sandiford  <richard@codesourcery.com>
1106         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
1107         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
1108         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
1109         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
1110         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1111         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1113 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1115         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
1116         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
1117         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
1118         (*adddi_dilshr32_cf): New pattern.
1119         (adddi3, subdi3): Remove first alternatives.
1121 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1123         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
1124         implemented using move.l, do not use its cc result for floating-point
1125         comparisons.
1127 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1129         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
1130         from accepting 's' constraints if flag_pic.
1132 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1134         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
1135         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
1136         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
1137         condition from TARGET_68881 to TARGET_HARD_FLOAT.
1139 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
1141         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
1142         ColdFire alternatives.
1143         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
1144         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
1145         architectures that support ff1 instruction.
1147 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1148             Julian Brown  <julian@codesourcery.com>
1150         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
1151         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
1152         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
1153         Add commentary.
1155 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1157         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
1158         and return a bool.
1159         (output_move_const_into_data_reg, output_move_simode_const): Delete.
1160         * config/m68k/m68k.c (const_method, const_int_cost): Take a
1161         HOST_WIDE_INT instead of an rtx.
1162         (m68k_rtx_costs): Update call accordingly.
1163         (output_move_const_into_data_reg): Likewise.  Fix formatting.
1164         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
1165         Return a bool.
1166         (output_move_simode_const): Update calls after above changes.
1167         Rework to use automatic variables and predicates like MEM_P.
1168         * config/m68k/m68k.md (pushexthisi_const): Update call to
1169         valid_mov3q_const.
1171 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1173         * tree-ssa-alias.c (perform_var_substitution): Fix typo
1174         in dump_flags test.
1176 2007-01-19  Richard Guenther  <rguenther@suse.de>
1178         * builtins.c (expand_builtin_cexpi): Fall back to expanding
1179         via cexp in case sincos is not available.
1181 2007-01-19  Richard Guenther  <rguenther@suse.de>
1183         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
1184         * defaults.h (TARGET_HAS_SINCOS): Default to off.
1185         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
1186         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
1187         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
1188         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
1189         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
1190         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
1192 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1194         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
1195         New insn patterns.
1196         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
1197         (atan2xf3): Directly generate RTL pattern.
1198         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
1199         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1200         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1201         disable patterns for SSE math.
1202         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
1203         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1204         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1205         disable patterns for SSE math.
1207 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
1209         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
1211 2007-01-18  Roger Sayle  <roger@eyesopen.com>
1213         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
1214         VIEW_CONVERT_EXPR to the same type as it's operand.
1216 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
1218         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
1219         configured for long double 128.
1221 2007-01-18  Mike Stump  <mrs@apple.com>
1223         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
1224         error.
1226 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
1228         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
1229         type correct.
1231 2007-01-18  Jan Hubicka  <jh@suse.cz>
1233         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
1234         greater than NUM_VOP_FREE_BUCKETS.
1236 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
1238         * tree-ssa-structalias.c: Update comments.
1239         (ptabitmap_obstack): Removed.
1240         (pta_obstack): New.
1241         (oldpta_obstack): Ditto.
1242         (stats): Add a few members.
1243         (struct variable_info): Remove node, complex, address_taken, and
1244         indirect_target members. Add oldsolution member.
1245         (new_var_info): Do not initialize removed members.
1246         (constraint_expr_type): Remove INCLUDES.
1247         (constraint_graph): Add size, implicit_preds, rep,
1248         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
1249         (FIRST_REF_NODE): New macro.
1250         (LAST_REF_NODE): Ditto.
1251         (FIRST_ADDR_NODE): Ditto.
1252         (find): New function.
1253         (unite): Ditto.
1254         (dump_constraint): Do not handle INCLUDES.
1255         (insert_into_complex): Do not insert duplicate constraints.
1256         (condense_varmap_nodes): Renamed and rewritten into ...
1257         (merge_node_constraints): This. Also fix bug in handling of
1258         offseted copy constraints.
1259         (clear_edges_for_node): No longer need to deal with preds at all,
1260         or removing associated preds/succs.
1261         (merge_graph_nodes): Deal with indirect_cycles.
1262         Don't deal with predecessors.
1263         (add_implicit_graph_edge): New function.
1264         (add_pred_graph_edge): Ditto.
1265         (add_graph_edge): Don't deal with predecessors.
1266         (build_constraint_graph): Removed.
1267         (build_pred_graph): New function.
1268         (build_succ_graph): Ditto.
1269         (struct scc_info): Removed in_component. Added roots, dfs, and
1270         node_mapping. Remove visited_index, unification_queue.
1271         (scc_visit): Deal with union-find we do now.
1272         Deal with cycles with REF nodes.
1273         (collapse_nodes): Renamed and rewritten to ...
1274         (unify_nodes): This.
1275         (process_unification_queue): Removed.
1276         (topo_visit): Cleanup
1277         (do_da_constraint): Use find.
1278         (do_sd_constraint): Ditto.
1279         (do_ds_constraint): Ditto.
1280         (do_complex_constraint): Ditto.
1281         (init_scc_info): Update for removed and added members.
1282         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
1283         (find_indirect_cycles): This.
1284         (equivalence_class): New variable.
1285         (label_visit): New function.
1286         (perform_variable_substitution): Rewritten.
1287         (free_var_substitution_info): New function.
1288         (find_equivalent_node): Ditto.
1289         (move_complex_constraints): Ditto.
1290         (eliminate_indirect_cycles): Ditto.
1291         (solve_graph): Only propagate changed bits.
1292         Use indirect cycle elimination.
1293         Use find.
1294         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
1295         (tree_id_eq): Renamed to ...
1296         (tree_vi_eq): This. Update for member change
1297         (insert_id_for_tree): Renamed and rewritten to ...
1298         (insert_vi_for_tree): This.
1299         (lookup_id_for_tree): Renamed and rewritten to ...
1300         (lookup_vi_for_tree): This.
1301         (get_id_for_tree): Renamed and rewritten to ...
1302         (get_vi_for_tree): Ditto.
1303         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
1304         (process_constraint): Don't handle INCLUDES.
1305         Remove special ADDRESSOF case.
1306         (find_func_aliases): Rewrite to use vi functions instead of id
1307         ones.
1308         (create_function_info_for): Ditto.
1309         (create_variable_info_for): Ditto.
1310         (intra_create_variable_infos): Ditto.
1311         (merge_smts_into): Ditto.
1312         (find_what_p_points_to): Ditto.
1313         (init_base_vars): Ditto.
1314         (init_alias_vars): Ditto.
1315         (remove_preds_and_fake_succs): New function.
1316         (dump_sa_points_to_info): Dump new stats.
1317         (dump_solution_for_var): Use find.
1318         (set_used_smts): Fix formatting.
1319         (compute_points_to_sets): Updated for new functions.
1320         (ipa_pta_execute): Ditto.
1322 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1323             Richard Sandiford  <richard@codesourcery.com>
1325         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
1326         parallels.
1327         * calls.c (expand_call): If the return value is a PARALLEL,
1328         extract its first member.
1329         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
1330         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1331         use FUNCTION_EXTRA_EPILOGUE.
1332         (m68k_function_value): Return a PARALLEL if the return value
1333         is of a pointer type.
1334         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
1335         (FUNCTION_EXTRA_EPILOGUE): Remove.
1336         * config/m68k/m68k.md (D0_REG): New constant.
1338 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1340         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1341         output a NOP for empty epilogues.
1343 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1345         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
1346         before function.  Extend register save check to include all
1347         registers, not just integer ones.
1349 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1351         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
1352         (m68k_use_return_insn): ...this.
1353         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
1354         * config/m68k/m68k.c (use_return_insn): Rename to...
1355         (m68k_use_return_insn): ...this.
1356         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
1357         of USE_RETURN_INSN.
1359 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1361         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
1362         nearest even, fix denormal rounding overflow.
1364 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1366         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1367         f%$smove and f%$move.
1368         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1369         (extendsfdf2_cf): Use fdmove instead of f%&move.
1370         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1371         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1373 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1375         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1376         GPR<-GPR moves.
1378 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1380         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1381         (coldfire_single_format): Declare.
1382         (coldfire_double_format): Likewise.
1383         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1384         of qnan_msb_set to determine the lower bits of a canonical
1385         NaN significand.
1386         (encode_ieee_double): Likewise.
1387         (encode_ieee_quad): Likewise.
1388         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1389         (mips_single_format): Likewise.
1390         (ieee_double_format): Likewise.
1391         (mips_double_format): Likewise.
1392         (ieee_extended_motorola_format): Likewise.
1393         (ieee_extended_intel_96_format): Likewise.
1394         (ieee_extended_intel_128_format): Likewise.
1395         (ieee_extended_intel_96_round_53_format): Likewise.
1396         (ibm_extended_format): Likewise.
1397         (mips_extended_format): Likewise.
1398         (ieee_quad_format): Likewise.
1399         (mips_quad_format): Likewise.
1400         (vax_f_format): Likewise.
1401         (vax_d_format): Likewise.
1402         (vax_g_format): Likewise.
1403         (i370_single_format): Likewise.
1404         (i370_double_format): Likewise.
1405         (decimal_single_format): Likewise.
1406         (decimal_double_format): Likewise.
1407         (decimal_quad_format): Likewise.
1408         (c4x_single_format): Likewise.
1409         (c4x_extended_format): Likewise.
1410         (real_internal_format): Likewise.
1411         (coldfire_single_format): New real_format.
1412         (coldfire_double_format): Likewise.
1413         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1414         canonical_nan_lsbs_set.
1415         (pdp11_d_format): Likewise.
1416         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1417         if TARGET_COLDFIRE_CPU.
1419 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1421         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1422         (output_call, m68k_legitimize_call_address): Declare.
1423         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1424         parenthesees.  Add support for a 'W' constraint.
1425         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1426         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1427         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1428         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1429         variables.
1430         (override_options): Initialize them.  Do not set flag_no_function_cse
1431         for TARGET_ID_SHARED_LIBRARY.
1432         (m68k_output_pic_call): Delete.
1433         (m68k_legitimize_call_address): New function.
1434         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1435         (output_call): New function.
1436         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1437         target address from the GOT if symbolic jumps are not allowed.
1438         * config/m68k/m68k.md (call, general_operand): Do not set
1439         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1440         Merge separate flag_pic and !flag_pic define_insns into...
1441         (*call, *call_value): ...these new patterns.  Match the address
1442         rather than the containing MEM and require it to be a call_operand.
1443         Use output_call to generate the asm template.
1444         * config/m68k/predicates.md (const_call_operand): New predicate.
1445         (call_operand): Likewise.
1447 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1449         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1450         (STACK_GROWS_DOWNWARD): Define to 1.
1451         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1452         comments, emphasizing that these values are only defaults.
1453         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1454         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1456 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1458         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1460 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1461             Richard Sandiford  <richard@codesourcery.com>
1463         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1464         (FP_REGNO_P): New macros.
1465         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1466         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1467         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1468         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1470 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1472         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1473         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1474         to $tmake_file.
1475         * config/m68k/t-floatlib: New file, extracting common code from...
1476         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1477         * config/m68k/t-uclinux: Here.
1478         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1479         routines on ColdFire targets.
1481 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1483         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1484         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1485         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1486         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1487         explicitly set MOTOROLA to 1.
1488         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1490 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1491             Nathan Sidwell  <nathan@codesourcery.com>
1493         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1494         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1495         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1496         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1497         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1498         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1499         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1500         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1501         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1502         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1503         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1504         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1505         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1506         (DBX_REGISTER_NUMBER): Delete.
1507         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1508         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1509         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1511 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1513         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1514         * config/flat.h: New file.
1515         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1516         OBJECT_FORMAT_FLAT.
1517         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1518         indirect references for -msep-data or -mid-shared-library.
1519         Do not use PC-relative code addresses either.
1520         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1521         to -mpcrel.
1522         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1523         for shared libraries and crt1.o for executables.  Use crti.o and
1524         crtbegin.o.
1525         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1526         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1527         Do not add -elf2flt or -shared-lib-id options here.
1528         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1529         Pass -shared-lib-id if -mid-shared-library, taking the library
1530         identifier from -mshared-library-id if given, otherwise
1531         defaulting to 0.
1532         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1533         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1534         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1535         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1536         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1537         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1538         and crtend.o.
1539         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1540         jump sequence for ISA A and ISA A+.
1541         (PICJUMP): Likewise.
1543 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1545         * config.gcc (m68k-*-uclinux*): Base the port on the common
1546         and m68k GNU/Linux files rather than on the generic ELF ones.
1547         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1548         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1550 2007-01-18  Julian Brown  <julian@codesourcery.com>
1551             Richard Sandiford  <richard@codesourcery.com>
1553         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1554         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1555         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1556         before redefining.
1557         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1558         80 unconditionally.
1559         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1561 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1563         * doc/install.texi: Document m68k-uclinuxoldabi.
1564         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1565         * config/m68k/uclinux-oldabi.h: New file, copied from
1566         config/m68k/uclinux.h.
1568 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1570         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1571         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1572         (m32r_compute_frame_size): Use unsigned for regno.
1573         (m32r_reload_lr): Use gen_frame_mem.
1574         (pop): New.
1575         (m32r_output_function_epilogue): Don't output the function epilogue
1576         textually here.
1577         (m32r_expand_epilogue): New.
1578         (direct_return): Return false if the function has the interrupt
1579         attribute.
1580         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1581         * config/m32r/m32r.md (epilogue): New expander.
1582         (return_lr, return_rte): New insns.
1583         (return): Make it expander.
1584         (return_normal): New expander.
1586 2007-01-18  Josh Conner  <jconner@apple.com>
1588         PR target/30485
1589         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1590         support for UNLE, UNLT, UNGE, and UNGT.
1592 2007-01-18  Jan Hubicka  <jh@suse.cz>
1594         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1595         * tree-tailcall (add_virtual_phis): Likewise.
1596         (optimize_tail_call): Return TODOs.
1597         (execute_tail_calls): Return TODOs.
1598         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1599         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1600         changed.
1601         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1602         Cleanup cfg using TODO.
1603         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1604         * passes.c (execute_function_todo): When cleanup did something, remove
1605         unused locals.
1606         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1607         (make_edges): Don't cleanup_cfg.
1609 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1611         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1612         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1613         operate on the top of stack.
1614         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1615         register handling of instructions that output to the second
1616         stack slot.
1617         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1618         (move_for_stack_reg): Special-case check for dead destination
1619         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1621         * config/i386/i386.md (UNSPEC_TAN): New constant.
1622         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1623         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1624         to correctly model move of constant 1.0 to top stack slot.
1625         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1626         (unnamed peephole2 pattern): Remove corresponding peephole2
1627         pattern that optimizes tan insn and loading of constant 1.0.
1628         (tanxf2): Use fptanxf4_i387.
1629         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1630         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1631         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1632         disable patterns for SSE math.
1633         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1634         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1636 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1637             Richard Guenther <rguenther@suse.de>
1639         PR diagnostic/8268
1640         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1641         * common.opt (Warray-bounds): Add new warning option.
1642         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1643         if -Wall is given.
1644         * Makefile.in: make tree-vrp.o depend on toplev.h
1645         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1646         is enabled.
1647         (check_array_refs, check_array_bounds, check_array_ref): New.
1649 2007-01-18  Jan Hubicka  <jh@suse.cz>
1651         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1652         (execute_ssa_ccp): Return flags conditionally.
1653         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1654         changed.
1655         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1657 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1659         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1660         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1662         * Makefile.c (GTFILES): Add cfglayout.h.
1663         * gengtype.c (open_base_files): Likewise.
1664         * cfglayout.c (cfg_layout_function_footer,
1665         cfg_layout_function_header) Reindent to make gengtype happy.
1666         * cfglayout.h (cfg_layout_function_footer,
1667         cfg_layout_function_header): Add GTY(()) marker.
1669         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1671 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1673         * genautomata.c (write_automata): Include xstrerror output in the
1674         error message if writing the DFA description file fails.
1676 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1678         * config/mips/mips-protos.h (mips_output_external): Make it
1679         return void.
1680         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1681         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1682         (extern_list): Likewise.
1683         (extern_head): Likewise.
1684         (TARGET_ASM_FILE_END): Likewise.
1685         (mips_file_end): Likewise.
1686         (mips_output_external): Rewritten.
1688 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1690         * genpreds.c (write_insn_preds_c): Only write out the function
1691         body for regclass_for_constraint if we have register constraints.
1693 2007-01-17  Tom Tromey  <tromey@redhat.com>
1695         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1696         * doc/install.texi (Testing): Use sourceware.org.
1697         (Binaries): Likewise.
1698         (Specific): Likewise.
1699         * doc/contrib.texi (Contributors): Use sourceware.org.
1701 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1703         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1704         (AVR_ENHANCED): Rename to ...
1705         (AVR_HAVE_MUL): ... new.
1706         (avr_enhanced_p): Rename to ...
1707         (avr_have_mul_p): ... new.
1708         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
1709         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1710         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1711         (avr_have_mul_p): ... new.
1712         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1713         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1714         'avr_enhanced_p' and 'enhanced'.
1715         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
1716         AVR_HAVE_MUL instead of AVR_ENHANCED.
1717         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1718         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
1719         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
1720         instead of AVR_ENHANCED.
1721         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1722         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1723         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1725 2007-01-17  Ian Lance Taylor  <iant@google.com>
1727         * vec.h (VEC_reserve_exact): Define.
1728         (vec_gc_p_reserve_exact): Declare.
1729         (vec_gc_o_reserve_exact): Declare.
1730         (vec_heap_p_reserve_exact): Declare.
1731         (vec_heap_o_reserve_exact): Declare.
1732         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1733         versions.
1734         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1735         negative parameter.
1736         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1737         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1738         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1739         * vec.c (calculate_allocation): Add exact parameter.  Change all
1740         callers.
1741         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1742         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1743         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1744         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1745         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1746         (vec_heap_p_reserve_exact): New function.
1747         (vec_heap_o_reserve_exact): New function.
1749 2007-01-17  Jan Hubicka  <jh@suse.cz>
1751         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1753 2007-01-17  Eric Christopher  <echristo@apple.com>
1755         * config.gcc: Support core2 processor.
1757 2007-01-16  Jan Hubicka  <jh@suse.cz>
1759         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1760         the names, just unlink the chain so we don't crash on dangling pointers
1761         to dead SSA names.
1763 2007-01-16  Jan Hubicka  <jh@suse.cz>
1765         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1766         * tree-pass.h: Reorder to make IPA passes appear toegher.
1767         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1768         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1769         parameters, do not call early inliner.
1770         * ipa-inline.c: Update comments.  Include tree-flow.h
1771         (cgraph_decide_inlining): Do not compute inlining parameters.
1772         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1773         be called with function context set up.
1774         (pass_ipa_inline): Remove unreachable functions before pass.
1775         (cgraph_early_inlining): Simplify assuming to be called from the
1776         PM as local pass.
1777         (pass_early_inline): New pass.
1778         (cgraph_gate_ipa_early_inlining): New gate.
1779         (pass_ipa_early_inline): Turn into simple wrapper.
1780         (compute_inline_parameters): New function.
1781         (gate_inline_passes): New gate.
1782         (pass_inline_parameters): New pass.
1783         (apply_inline): Move here from tree-optimize.c
1784         (pass_apply_inline): New pass.
1785         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1786         transforming.
1787         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1788         doing them by hand.
1789         (tree_function_versioning): Do not allocate dummy struct function.
1790         * tree-inline.h (optimize_inline_calls): Update prototype.
1791         * tree-optimize.c (execute_fixup_cfg): Export.
1792         (pass_fixup_cfg): Remove
1793         (tree_rest_of_compilation): Do not apply inlines.
1794         * tree-flow.h (execute_fixup_cfg): Declare.
1795         * Makefile.in (gt-passes.c): New.
1796         * passes.c: Include gt-passes.h
1797         (init_optimization_passes): New passes.
1798         (nnodes, order): New static vars.
1799         (do_per_function_toporder): New function.
1800         (execute_one_pass): Dump current pass here.
1801         (execute_ipa_pass_list): Don't dump current pass here.
1803 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1805         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1806         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1808 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1810         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1811         (strong_alias): Define.
1812         (__gcc_qmul): Provide non-FMA for soft-float.
1813         (__gcc_qdiv): Same.
1814         (__gcc_qneg): New.
1815         (__gcc_qeq): New.
1816         (__gcc_qle): New.
1817         (__gcc_qge): New.
1818         (__gcc_qunord): New.
1819         (__gcc_stoq): New.
1820         (__gcc_dtoq): New.
1821         (__gcc_qtos): New.
1822         (__gcc_qtod): New.
1823         (__gcc_qtoi): New.
1824         (__gcc_qtou): New.
1825         (__gcc_itoq): New.
1826         (__gcc_utoq): New.
1827         (fmsub): New.
1828         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1829         soft-float functions.
1830         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1831         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1832         about long double soft float.
1834 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1835             Tehila Meyzels  <tehila@il.ibm.com>
1837         * tree-vectorizer.h (is_pattern_stmt_p): New.
1838         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1839         formatting (tabs instead of spaces). Cleanup and clarify setting
1840         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1841         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1842         (vectorizable_type_demotion): Check that types are integral.
1843         (vectorizable_type_promotion): Likewise.
1844         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1845         comments.
1847 2007-01-16  Jan Hubicka  <jh@suse.cz>
1849         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1850         cgraph edges too.
1852 2007-01-15  Eric Christopher  <echristo@apple.com>
1854         * ifcvt.c: Include vec.h, vecprim.h.
1855         (check_cond_move_block): New argument regs.
1856         Reorganize. Add registers used to regs.
1857         (cond_move_process_if_block): Use regs set above as
1858         loop bounds.
1860 2007-01-15  Eric Christopher  <echristo@apple.com>
1862         * config/darwin.h: Update copyright.
1863         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1864         (LINK_COMMAND_SPEC): Add -u.
1865         (LINK_SPEC): Fix umbrella for above.
1867 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1869         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1870         glibc CVS.
1872 2007-01-15  Tom Tromey  <tromey@redhat.com>
1874         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1875         * doc/install.texi (Testing): Don't mention jacks.
1876         (Configuration): Document --enable-java-maintainer-mode.  Move
1877         --with-java-home to libgcj-specific section.  Document
1878         --with-ecj-jar.
1879         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1881 2007-01-15  Jan Hubicka  <jh@suse.cz>
1883         * tree-ssa-dce.c (DCE_TODOs): New.
1884         (propagate_necessity): Return if something changed.
1885         (eliminate_unnecessary_stmts): Likewise.
1886         (perform_tree_ssa_dce): Return TODO flags when needed.
1887         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1889 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1891         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1892         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1893         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1894         patterns using X87MODEF12 mode macro.  Extend operand 1
1895         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1896         (log10<mode>2): Ditto.
1897         (log2<mode>2): Ditto.
1898         (log1p<mode>2): Ditto.
1899         (logb<mode>2): Ditto.
1900         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1901         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1902         (*fxtractxf3_i387): Rename from *fxtractxf3.
1903         (fxtract_extend<mode>xf3_i387): New insn pattern.
1904         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1905         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1906         and gen_fyl2xxf3_i387().
1908 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1910         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1911         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1912         get_loop_exit_edges.  Changed return type to bool.
1913         * cfgloop.h (fix_loop_placement): Declaration removed.
1915 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1917         * param.h (MIN_VECT_LOOP_BOUND): New.
1918         * params.def (MIN_VECT_LOOP_BOUND): New.
1919         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1920         argument - minimum threshold for number of iterations.
1921         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1922         argument to declaration.
1923         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1924         MIN_VECT_LOOP_BOUND.
1925         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1926         slpeel_tree_peel_loop_to_edge with additional argument.
1927         (vect_do_peeling_for_alignment): Likewise.
1928         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1930 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1932         PR target/30413
1933         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1934         operands of size 1.
1936 2007-01-14  Jan Hubicka  <jh@suse.cz>
1938         * tree-dfa.c (remove_referenced_var): New function.
1939         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1940         prune referenced vars list too.
1941         * tree-flow.h (remove_referenced_var): Declare.
1943 2007-01-14  Jan Hubicka  <jh@suse.cz>
1945         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1946         separately.
1947         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1948         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1949         * except.h (verify_eh_throw_table_statements): Kill prototype.
1950         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1951         into call exrepssions.
1952         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1953         eh trhow verifier.
1954         * tree-cfg.c: Include pointer-set.h.
1955         (verify_node_sharing): Work on pointer set.
1956         (verify_eh_throw_stmt_node): New.
1957         (verify_stmts): Use pointers sets, verify throw_stmt.
1959 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1961         * ipa-reference.c (analyze_function): Consider also addresses taken
1962         in phi nodes.
1964 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1966         * c-typeck.c (null_pointer_constant_p): Replace use of
1967         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1968         (build_c_cast): Likewise.
1970 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1972         * tree.h (force_fit_type_double): Remove unused final argument.
1973         * c-common.c (constant_expression_warning): Replace use of
1974         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1975         (convert_and_check): Likewise.
1976         (shorten_compare): Update call to force_fit_type_double.
1977         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1978         * convert.c (convert_to_pointer): Update call to
1979         force_fit_type_double.
1980         * fold-const.c (force_fit_type_double): Remove overflowed_const
1981         argument.
1982         (int_const_binop, fold_convert_const_int_from_int,
1983         fold_convert_const_int_from_real, fold_div_compare,
1984         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1985         fold_abs_const, fold_not_const): Remove the final argument from
1986         calls to force_fit_type_double.
1988 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1990         * configure.ac: Set insn to "nop" for spu-*-* also.
1991         * configure: Regenerate.
1993 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1995         * builtins.def : Add BUILT_IN_FREE.
1997 2007-01-12  Jan Hubicka  <jh@suse.cz>
1999         PR tree-optimization/30443
2000         * tree-inline.c (tree_function_versioning): Do not optimize when
2001         cloning for inlining.
2003 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
2005         * doc/loop.texi: Document recording of loop exits.
2006         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
2007         (update_single_exits_after_duplication,
2008         update_single_exit_for_duplicated_loop,
2009         update_single_exit_for_duplicated_loops): Removed.
2010         (duplicate_loop_to_header_edge): Do not call
2011         update_single_exits_after_duplication and
2012         update_single_exit_for_duplicated_loops.
2013         (loop_version): Do not update single_exit information.
2014         (fix_loop_structure): Use record_loop_exits instead of
2015         mark_single_exit_loops.
2016         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
2017         the lists of loop exits.
2018         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
2019         split_edge, merge_blocks): Update the lists of loop exits.
2020         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
2021         loop_optimizer_init.
2022         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
2023         of mark_single_exit_loops.
2024         (loop_optimizer_finalize): Call release_recorded_exits.
2025         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
2026         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
2027         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
2028         update single exit information.
2029         * lambda-code.c (perfect_nestify): Ditto.
2030         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
2031         (mark_single_exit_loops): Removed.
2032         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
2033         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
2034         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
2035         functions.
2036         (get_loop_exit_edges, single_exit): Use recorded exit lists.
2037         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
2038         (verify_loop_structure): Verify consistency of the exit lists.
2039         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
2040         (set_single_exit): Removed.
2041         * cfgloop.h (struct loop_exit): New function.
2042         (struct loop): single_exit_ field replaced by exits field.
2043         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
2044         (struct loops): Added exits hash.
2045         (mark_single_exit_loops, set_single_exit): Declaration removed.
2046         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
2048 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2050         * doc/invoke.texi: Avoid use of @headitem.
2052 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2054         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
2056 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2058         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
2059         list of targets.
2061 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2062             Richard Sandiford  <richard@codesourcery.com>
2064         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
2065         * config/m68k/m68k.opt: Resort options.
2066         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
2068 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2069             Richard Sandiford  <richard@codesourcery.com>
2071         * doc/invoke.texi: Document the macros that are defined by
2072         m68k's -mtune and -mhard-float options.
2073         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
2074         (m68k_cpp_cpu_family): Likewise.
2075         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
2076         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
2077         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
2078         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
2079         (m68k_cpp_cpu_family): Likewise.
2081 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2083         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
2084         macros besides mc68000 as tuning macros.  Use a switch statement
2085         to set them and mcpu32.
2087 2007-01-12  Julian Brown  <julian@codesourcery.com>
2089         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
2090         (TARGET_68040_ONLY): Rename to...
2091         (TARGET_68040): ...this.
2092         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
2093         * config/m68k/m68k.md: Likewise.
2095 2007-01-12  Julian Brown  <julian@codesourcery.com>
2096             Nathan Sidwell  <nathan@codesourcery.com>
2097             Richard Sandiford  <richard@codesourcery.com>
2099         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
2100         the -mcpu= argument associated with the --with-cpu setting.
2101         Define M68K_DEFAULT_TUNE to the default -mtune= option,
2102         if different from the one implied by the -mcpu setting.
2103         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
2104         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
2105         * doc/invoke.texi: Mention ColdFire in the introduction to the
2106         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
2107         -mno-div and -mhard-float options.  Make -m68881 a synonym for
2108         -mhard-float.  Document the previously-undocumented -m5206e,
2109         -m528x, -m5307 and -m5407 options.  Tweak the existing option
2110         documentation for consistency.
2111         * doc/install.texi: Mention new --with-cpu arguments.
2112         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
2113         default CPU if neither -mcpu nor -march are specified.
2114         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
2115         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
2116         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
2117         using m68k_tune to decide between families that implement the
2118         same ISA.  Use m68k_tune to set __mcfv4e__.
2119         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
2120         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
2121         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
2122         (FL_ISA_C, FL_ISA_MMU): New macros.
2123         (MASK_COLDFIRE): Delete.
2124         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
2125         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
2126         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
2127         (TARGET_HARD_FLOAT): Do not define here.
2128         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
2129         (TUNE_68000): New macro.
2130         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
2131         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
2132         (TUNE_CFV2): Redefine in terms of m68k_tune.
2133         (uarch_type, target_device, fpu_type): New enums.
2134         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
2135         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
2136         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
2137         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
2138         (FL_FOR_isa_c): New macros.
2139         (m68k_isa): New enum.
2140         (m68k_target_selection): New structure.
2141         (all_devices, all_isas, all_microarchs): New tables.
2142         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
2143         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
2144         (MASK_ALL_CPU_BITS): Delete.
2145         (m68k_find_selection): New function.
2146         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
2147         Map the legacy target options to a combination of the new ones.
2148         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
2149         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
2150         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
2151         settings.
2152         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
2153         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
2154         properties.
2155         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
2156         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
2157         * config/m68k/m68k-devices.def: New file.
2159 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2160             Nathan Sidwell  <nathan@codesourcery.com>
2162         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
2163         (SUBTARGET_EXTRA_SPECS): New macros.
2164         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
2165         use %(asm_cpu_spec) instead.
2166         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
2167         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
2168         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
2169         (EXTRA_SPECS): Rename to...
2170         (SUBTARGET_EXTRA_SPECS): ...this.
2172 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2173             Richard Sandiford  <richard@codesourcery.com>
2174             Julian Brown  <julian@codesourcery.com>
2176         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2177         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
2178         to the configuration's default CPU.
2179         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
2180         Remove default masks.
2181         (m680[012]0-*-*): Set the default with_cpu to the first part of
2182         the target name.
2183         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
2184         (m68k*-*-linux): Extend the --with-cpu handling to...
2185         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
2186         and m68010.  Don't set target_cpu_default2.
2187         * doc/install.texi: Document --with-cpu for m68k.
2188         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
2189         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
2190         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
2191         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
2192         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
2193         (ASM_SPEC): Remove use of %(asm_cpu_default).
2194         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
2195         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
2196         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
2197         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
2198         __HAVE_FPU__ if TARGET_HARD_FLOAT.
2199         (TARGET_DEFAULT): Delete.
2200         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
2201         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
2202         (CPP_CPU_SPEC): Delete.
2203         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
2204         the appropriate string.
2205         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
2206         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
2207         (ASM_SPEC): Don't use %(asm_default_spec).
2208         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2209         TARGET_DEFAULT and add MASK_68881.
2210         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
2212 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2214         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
2215         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
2216         MASK_68010 alongside MASK_68020.
2217         * doc/invoke.texi: Document -m68010.
2218         * config/m68k/m68k.opt (m68010): New.
2219         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
2220         if TUNE_68010.
2221         (TUNE_68010): New macro.
2222         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
2223         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
2224         (M68K_CPU_m68332): Add MASK_68010.
2225         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
2226         fallback definition.
2227         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
2228         defines.
2229         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
2230         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
2231         to all entries that use MASK_68020.
2232         (output_move_simode_const, output_move_himode, output_move_qimode)
2233         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
2234         instead of TARGET_68020 to select clr behavior.  Remove comment
2235         about there being no TARGET_68010.
2236         * config/m68k/m68k.md: Likewise throughout.
2238 2007-01-12  Julian Brown  <julian@codesourcery.com>
2240         * config/m68k/m68k.h (TARGET_ISAB): New macro.
2241         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
2242         * config/m68k/m68k.md: Likewise.
2244 2007-01-12  Julian Brown  <julian@codesourcery.com>
2246         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
2247         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
2249 2007-01-12  Julian Brown  <julian@codesourcery.com>
2251         * config/m68k/m68k.h (TUNE_68040_60): New macro.
2252         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
2253         * config/m68k/m68k.md: Likewise.
2255 2007-01-12  Julian Brown  <julian@codesourcery.com>
2256             Richard Sandiford  <richard@codesourcery.com>
2258         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
2259         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
2260         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
2261         TARGET_CPU32.
2262         (TARGET_CPU32): Rename to...
2263         (TUNE_CPU32): ...this.
2264         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
2265         (TUNE_CFV2): New macros.
2266         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
2267         remove conditions that are implied by TARGET_68020.
2268         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
2269         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
2270         (m68k_output_function_epilogue): Likewise.
2271         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
2272         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
2273         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
2274         non-68000 timings.  Refactor multiplication and division costs.
2275         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
2276         TUNE_CPU32 instead of TARGET_CPU32.
2277         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
2278         and TUNE_68060 instead of TARGET_68060.
2279         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
2280         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
2281         TARGET_CPU32.
2282         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
2283         && !TARGET_COLDFIRE" to choose between moveq and clr.
2284         Likewise in the unnamed movsf pattern.
2285         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
2286         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
2287         ashiftrt pattern.
2289 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2291         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
2292         of tabbing before backslashes.
2294 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2296         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
2297         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
2298         (ASM_OUTPUT_INTERNAL_LABEL): Define.
2300 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2302         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
2303         find_interesting_uses_cond.
2304         (find_interesting_uses_cond): Use extract_cond_operands.
2305         (rewrite_use_compare): Use extract_cond_operands and
2306         force_gimple_operand_bsi.  Do not call update_stmt.
2307         (determine_use_iv_cost_condition): Use extract_cond_operands.
2308         Return cheaper of using original bound and changing the exit bound.
2310 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2312         PR tree-optimization/29516
2313         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
2314         most_expensive_mult_to_index, addr_to_parts,
2315         create_mem_ref, maybe_fold_tmr): Make the type of
2316         fields of TARGET_MEM_REF sizetype.
2317         (move_fixed_address_to_symbol, move_pointer_to_base):
2318         New functions.
2319         * tree.def (TARGET_MEM_REF): Add comment on types of
2320         the operands.
2322 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
2324         * c-common.c (vector_types_convertible_p): Treat opaque types as
2325         always convertible if they have the same size, but not otherwise.
2327 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
2329         * ifcvt.c (struct noce_if_info): Add comments to the fields.
2330         Remove the b_unconditional field.
2331         (noce_try_sign_mask): Do not look at b_unconditional.
2332         (noce_process_if_block): Do not use merge_if_blocks.  Update
2333         the CFG here.  Do not set b_unconditional.
2334         (cond_move_process_if_block): Likewise.
2335         (find_cond_trap): Likewise.
2336         (check_cond_move_block): Require simple jump insns at the end
2337         of the basic block.
2339 2007-01-11  Jan Hubicka  <jh@suse.cz>
2341         PR tree-optimization/1046
2342         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
2343         when alias info is not ready.
2344         (pass_tail_recursion): Do not require aliasing.
2345         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
2346         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
2347         * tree-ssa-copy.c (pass_copy_prop): Likewise.
2348         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
2349         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
2350         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
2351         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
2352         before inlining.
2353         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
2354         When aliasing is not build, mark statement as volatile.
2356 2007-01-11  Tom Tromey  <tromey@redhat.com>
2358         PR preprocessor/15185, PR preprocessor/20989:
2359         * doc/cppopts.texi <-MT>: Update description of algorithm for
2360         computing default target.
2361         <-M, -MD>: Reword "basename" text.
2363 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2365         * builtins.c (expand_builtin_pow, expand_builtin_powi,
2366         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2367         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2368         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2369         fold_builtin_bswap, real_constp, fold_builtin_pow,
2370         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2371         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2372         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2373         * convert.c (convert_to_pointer): Likewise.
2374         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2375         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2376         const_binop, fold_convert_const_int_from_int,
2377         fold_convert_const_int_from_real,
2378         fold_convert_const_real_from_real, sign_bit_p,
2379         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2380         fold_sign_changed_comparison, fold_unary, fold_comparison,
2381         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2382         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2383         * print-tree.c (print_node_brief, print_node): Likewise.
2384         * stor-layout.c (place_field, layout_type): Likewise.
2385         * tree-chrec.c (keep_cast): Likewise.
2386         * tree.c (build_vector, build_real, build_real_from_int_cst,
2387         build_complex): Likewise.
2389 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2391         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2392         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2394 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2396         * configure.ac (strict1_warn): Rename to strict_warn.
2397         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2398         cc_set_by_configure, quoted_cc_set_by_configure,
2399         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2400         all_boot_languages, all_stagestuff): Remove.
2401         (target_list): Remove bootstrap targets.
2402         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2403         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2404         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2405         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2406         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2407         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2408         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2409         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2410         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2411         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2412         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2413         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2414         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2415         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2416         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2417         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2418         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2419         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2420         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2421         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2422         (mostlyclean): Adjust.
2423         (clean, distclean): Don't mention bootstrap stuff.
2424         * configure: Regenerate.
2425         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2426         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2427         treelang/config-lang.in (stagestuff): Remove.
2428         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2429         stageprofile, stagefeedback, stagestuff): Remove mention.
2431 2007-01-11  Nick Clifton  <nickc@redhat.com>
2433         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2434         Accept CONSTs.
2435         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2436         (mcore_arith_K_S_operand): Run the test for the S constraint not
2437         the test for the M constraint.
2438         (mcore_addsub_operand): Do not accept integer values that are
2439         larger than 32 bits.
2440         * config/mcore/mcore.md: Remove unused constraints from split.
2441         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2442         (addsi3): Likewise.
2443         (allocate_stack): Likewise.
2444         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2445         operands to 32 bits.
2446         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2447         INTVAL.
2448         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2449         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2450         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2451         mcore_output_bclri, mcore_output_andn, output_inline_const,
2452         mcore_output_move, mcore_output_movedouble): Likewise.
2453         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2454         (output_inline_const): Likewise.
2455         (output_inline_const): Fix format strings used in sprintf
2456         statements.
2457         * config/mcore/mcore-protos.h: Update prototypes for changed
2458         functions in mcore.c.
2459         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2460         HOST_WIDE_INT and not int.
2461         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2462         CONST_OK_FOR_N): Likewise.
2463         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2464         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2465         an INTVAL.
2467 2007-01-10  Jan Hubicka  <jh@suse.cz>
2469         * tree-vrp.c (remove_range_assertions): Release defs.
2470         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2471         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2473 2007-01-10  Paul Brook  <paul@codesourcery.com>
2475         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2476         * config/arm/arm.md (mulsi3subsi): New insn.
2478 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2480         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2481         (tree_transform_and_unroll_loop): New.
2482         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2483         Declare.
2485 2007-01-10  Robert Kennedy <jimbob@google.com>
2487         * fold-const.c (fold_comparison): Fold comparisons like (x *
2488         1000 < 0) to (x < 0).
2490 2007-01-10  Ian Lance Taylor  <iant@google.com>
2492         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2493         operands have the same priority.
2495 2007-01-10  Tom Tromey  <tromey@redhat.com>
2497         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2498         (fold_binary): Likewise.
2499         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2500         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2501         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2502         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2503         * langhooks.h (struct lang_hooks): Removed field
2504         'can_use_bit_fields_p'.
2506 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
2508         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2510 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2512         * function.c (get_last_funcdef_no): New function.
2513         * function.h (get_last_funcdef_no): Declare.
2514         * tree-inline.c (initialize_cfun): Add initialization.
2515         (tree_function_versioning): Cleanup.
2517 2007-01-10  Jan Hubicka  <jh@suse.cz>
2519         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2520         PHIs.
2522 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2523             Ben Elliston  <bje@au.ibm.com>
2525         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2526         for SAVE_NONLOCAL and Pmode for any other save level.
2527         * spu-protos.h (spu_restore_stack_block): Declare.
2528         * spu.md (save_stack_block): Remove.
2529         (restore_stack_block): Call spu_restore_stack_block.
2530         * spu.c (spu_restore_stack_block): New function.
2531         (spu_expand_epilogue): Remove old comment.
2533 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2535         PR tree-optimization/30322
2536         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2537         (cand_value_at): Return the value as aff_tree.
2538         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2539         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2540         aff_combination_mult): New functions.
2541         (aff_combination_add): Use aff_combination_add_cst.
2542         (aff_combination_convert): Allow conversions to a wider type.
2543         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2544         * tree-affine.h (aff_combination_mult): Declare.
2546 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2548         * doc/tm.texi: Update documentation to reflect reality of exec
2549         and start file search behaviours. Update copyright year.
2550         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2551         header file directories.
2553 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2555         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2556         (*cosxf2): Rename to cosxf2_i387.
2557         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2558         using X87MODEF12 mode macro. Rename patterns to
2559         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2560         for SSE math.
2561         (*cosdf2, *cossf2): Ditto.
2562         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2563         to match extended input operands.
2564         (sincos<mode>3): New expander.
2565         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2566         insn patterns and corresponding splitters.
2568 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2570         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2571         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2573 2007-01-09  Nicolas Pitre  <nico@cam.org>
2575         PR target/30173
2576         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2578 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2580         * target.h (struct gcc_target): New field library_rtti_comdat.
2581         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2582         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2583         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2584         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2586 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2588         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2590 2007-01-08  Richard Guenther  <rguenther@suse.de>
2592         * tree.h (force_fit_type_double): Export.
2593         (force_fit_type): Remove.
2594         * fold-const.c (force_fit_type_double): New function.
2595         (force_fit_type): Remove.
2596         (int_const_binop): Use it.
2597         (fold_convert_const_int_from_int): Likewise.
2598         (fold_convert_const_int_from_real): Likewise.
2599         (fold_div_compare): Likewise.
2600         (fold_sign_changed_comparison): Likewise.
2601         (fold_unary): Likewise.
2602         (fold_negate_const): Likewise.
2603         (fold_abs_const): Likewise.
2604         (fold_not_const): Likewise.
2605         * c-common.c (shorten_compare): Use force_fit_type_double.
2606         * convert.c (convert_to_pointer): Likewise.
2608 2007-01-08  Richard Guenther  <rguenther@suse.de>
2610         * tree.h (build_int_cst_wide_type): Export.
2611         * tree.c (build_int_cst_wide_type): New function.
2612         (build_int_cst_wide): Fix comment.
2613         * builtins.c (fold_builtin_object_size): Use build_int_cst
2614         to build -1 or 0 of the correct type.  Use fit_double_type
2615         to check for overflow.
2616         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2617         to build the mask.
2618         (decode_field_reference): Likewise.
2619         (all_ones_mask_p): Likewise.
2620         (native_interpret_int): Use build_int_cst_wide_type.
2621         (fold_binary): Use build_int_cst_type to build an all-ones
2622         value.
2623         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2625 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2627         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2629 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2631         * genautomata.c (STATS_OPTION): New option.
2632         (stats_flag): New flag.
2633         (gen_automata_option): Handle it.
2634         (initiate_automaton_gen): Ditto.
2635         (write_automata): Output statistics only if stats_flag is
2636         set. Likewise, output time statistics only if time_flag is set.
2637         * doc/md.texi (Processor pipeline description): Document new flag.
2639 2007-01-08  Richard Guenther  <rguenther@suse.de>
2641         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2642         * tree.c (build_int_cst_type): Likewise.
2643         (size_in_bytes): Don't call force_fit_type on the result.
2644         (int_fits_type_p): Use fit_double_type.
2645         * fold-const.c (fit_double_type): New function.
2646         (force_fit_type): Use it.
2647         * tree.h (fit_double_type): Export.
2649 2007-01-08  Jan Hubicka  <jh@suse.cz>
2651         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2652         * ipa.c (function_and_variable_visibility): Fix return type.
2654 2007-01-08  Richard Guenther  <rguenther@suse.de>
2656         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2657         of offset to build the index.
2658         * tree-pretty-print.c (dump_generic_node): Don't build negated
2659         const just for printing.
2660         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2661         * builtins.c (fold_builtin_int_roundingfn): Check if result
2662         fits the type by using force_fit_type and comparing the result.
2663         * predict.c (predict_loops): Use compare_tree_int for comparison.
2664         * tree.c (build_int_cst): Fall back to integer_type_node for
2665         NULL_TREE type.
2666         (build_int_cst_wide): Assert type is non-null.
2668 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2670         * tree-vrp.c (extract_range_from_cond_expr): New.
2671         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2672         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2673         as expressions.
2674         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2675         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2676         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2677         used as expressions.
2678         * tree-object-size.c (cond_expr_object_size): New.
2679         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2681 2007-01-08  Jan Hubicka  <jh@suse.cz>
2683         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2684         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2685         statement.
2687 2007-01-08  Richard Guenther  <rguenther@suse.de>
2689         PR tree-optimization/23603
2690         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2691         (extract_range_from_binary): Fall back to truthvalue instead of
2692         varying for TRUTH_*_EXPR.
2693         (extract_range_from_comparison): Fall back to truthvalue instead of
2694         varying.
2695         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2696         if all visited PHI values were constant.
2698 2007-01-08  Jan Hubicka  <jh@suse.cz>
2700         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2701         (cgraph_analyze_function): break out from ...
2702         (cgraph_finalize_compilation_unit): ... here.
2703         (cgraph_expand_function): Remove forgoten commented out line.
2704         (cgraph_optimize): Analyze functions.
2706 2007-01-08  Jan Hubicka  <jh@suse.cz>
2708         * tree-pas.h (TODO_remove_function): New flag.
2709         (TODO_update*): Renumber.
2710         (pass_ipa_increase_alignment,
2711         pass_ipa_function_and_variable_visibility): New passes.
2712         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2713         (cgraph_function_and_variable_visibility): Move to ipa.c
2714         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2715         cgraph_increase_alignment.
2716         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2717         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2718         calling tree-inline.
2719         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2720         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2721         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2722         (gate_increase_alignment): New function.
2723         (pass_ipa_increase_alignment): New pass.
2724         * ipa.c: Inline tree-pass.h and timevar.h
2725         (function_and_variable_visibility): Move here from cgraphunit.c
2726         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2727         * passes.c (init_optimization_passes): Add the two new passes.
2728         (execute_todo): Handle cgraph_remove_functions.
2730 2007-01-08  Nick Clifton  <nickc@redhat.com>
2732         * config/frv/predicates.md (reg_or_0_operand): Accept
2733         CONST_DOUBLEs.
2735 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
2737         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2738         * config.gcc: Add bfin*-rtems*.
2740 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2742         * c.opt: Add -flax-vector-conversions.
2743         * c-typeck.c (convert_for_assignment): Pass flag to
2744         vector_types_convertible_p to allow emission of note.
2745         (digest_init): Likewise.
2746         * c-opts.c: Handle -flax-vector-conversions.
2747         * c-common.c (flag_lax_vector_conversions): New.
2748         (vector_types_convertible_p): Unless -flax-vector conversions
2749         has been passed, disallow conversions between vectors with
2750         differing numbers of subparts and/or element types.  If such
2751         a conversion is disallowed, possibly emit a note on the first
2752         occasion only to inform the user of -flax-vector-conversions.
2753         The new last argument specifies this.
2754         * c-common.h (flag_lax_vector_conversions): New.
2755         (vector_types_convertible_p): Add extra argument.
2756         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2757         char_type_node for V*QI type vectors.
2758         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2759         Update to satisfy new typechecking rules.
2760         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2761         C and C++ variants.
2762         * doc/invoke.texi (C Dialect Options): Document
2763         -flax-vector-conversions.
2765 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2767         PR tree-optimization/29877
2768         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2769         a register variable on the RHS to not be replaceable.
2771 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2772         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2773         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2774         const_simm15, const_pow2, const_npow2): Added.
2775         * config/score/misc.md (insv, extv, extzv, movmemsi,
2776         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2777         * config/score/score.c (score_address_cost, score_select_cc_mode):
2778         Added.
2779         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2780         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2781         Update score_print_operand.
2782         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2783         Adjust register allocate order and update some macro define.
2784         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2785         mdx_block_move_straight, mdx_block_move_loop_head,
2786         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2787         mdx_block_move): Added.
2788         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2789         mdp_limm): Updated and fix some bug and typo.
2790         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2791         (movsf, movdf, doloop_end): Added.
2793 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2795         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2796         config/arm/thumb2.md: Fix comment typos.
2797         * doc/extend.texi: Fix a typo.
2799 2007-01-07  Eric Christopher  <echristo@apple.com>
2801         * configure.ac: Check for __stack_chk_fail for darwin.
2802         * configure: Regenerate.
2804 2007-01-07  Richard Guenther  <rguenther@suse.de>
2806         * tree-vrp.c (extract_range_from_assert): CSE calls to
2807         compare_values where possible.
2808         (extract_range_from_unary_expr): Likewise.
2810 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2812         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2813         * config/avr/avr.c (call_insn_operand): Delete function.
2814         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2815         instead of register number. Use predicates.
2816         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2817         call_insn_operand): Add.
2819 2007-01-06  Jan Hubicka  <jh@suse.cz>
2821         * tree-pass.h (pass_build_cgraph_edges): Declare.
2822         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2823         (visited_nodes): Remove.
2824         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2825         build_cgrpah_edges; make visited_nodes local.
2826         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2827         (record_references_in_initializer): Move to cgraphbuild.c
2828         (initialize_inline_failed, rebuild_cgraph_edges,
2829         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2830         (verify_cgraph_node): Make visited_nodes local.
2831         (cgraph_analyze_function): Do not call cgraph_create_edges and
2832         initialize_inline_failed.
2833         (cgraph_expand_function): Do not call cgraph_lower_function;
2834         assert that function is already lowered.
2835         * Makefile.in (cgraphbuild.o): New.
2836         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2837         at the end of lowering passes.
2839 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2841         * ifcvt.c (cond_move_convert_if_block): New function, code
2842         factored out from...
2843         (cond_move_process_if_block): ...here.  Call the new function
2844         on the THEN and ELSE blocks.
2845         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2846         already takes care of this.
2848 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2850         PR c/19978
2851         * tree.h (TREE_OVERFLOW_P): New.
2852         * c-typeck.c (parser_build_unary_op): Warn only if result
2853         overflowed and operands did not.
2854         (parser_build_binary_op): Likewise.
2855         (convert_for_assignment): Remove redundant overflow_warning.
2856         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2858 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2860         * c-typeck.c (store_init_value): Split over two lines to follow
2861         the GNU coding style.
2863 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2865         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2866         __GXX_EXPERIMENTAL_CXX0X__.
2867         * doc/cpp.texi: Same.
2869 2007-01-05  Richard Guenther  <rguenther@suse.de>
2871         PR middle-end/27826
2872         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2873         with mismatched types.  Instead explicitly build a
2874         conversion NOP_EXPR.
2876 2007-01-05  Ian Lance Taylor  <iant@google.com>
2878         * c-common.c (decl_with_nonnull_addr_p): New function.
2879         (c_common_truthvalue_conversion): Call it.
2880         * c-typeck.c (build_binary_op): Likewise.
2881         * c-common.h (decl_with_nonnull_addr_p): Declare.
2883 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2885         PR c/30360
2886         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2887         denom against 0.0.
2889 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2891         * doc/install.texi (Final install): Document the fact that
2892         the GNAT runtime should not be stripped.
2894 2007-01-04  Jan Hubicka  <jh@suse.cz>
2896         * tree-inline.c (fold_marked_statements): Update operand caches
2897         and EH after folding
2899 2007-01-04  Ian Lance Taylor  <iant@google.com>
2901         * c-common.c (check_function_nonnull): Whitespace fix.
2903 2007-01-04  Jan Hubicka  <jh@suse.cz>
2905         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2906         comitted older version of patch.
2907         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2908         function, celanup cfg and collect garbage.
2910 2007-01-04  Mike Stump  <mrs@apple.com>
2912         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2913         (clean): Likewise.
2915 2007-01-04  Eric Christopher  <echristo@apple.com>
2917         * libgcc2.c (__bswapsi2): Use SItype.
2918         (__bswapdi2): Use DItype.
2919         * libgcc2.h: Update for above.
2921 2007-01-04  Paul Brook  <paul@codesourcery.com>
2923         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2924         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2925         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2926         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2927         umulsi3_highpart): Make conditional on !arm_arch6.
2928         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2929         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2930         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2931         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2932         umulsi3_highpart_v6): New insns.
2934 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2936         * fold-const.c (fold_convert): When casting an expression to void,
2937         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2938         have a type.  Instead of attempting to build a NOP_EXPR, return
2939         these "special" trees directly.
2941 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2943         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2944         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2945         rs6000_cost->fp not 0 as adjustment for outer NEG.
2947 2007-01-04  Jan Hubicka  <jh@suse.cz>
2949         * cgraph.c (cgraph_release_function_body): New function.
2950         (cgraph_remove_node): Use it.
2951         * cgraph.h (cgraph_release_function_body): Declare.
2952         * cgraphunit.c (cgraph_expand_function): Use it.
2953         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2954         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2955         is initialized and while compilation of other function is running.
2956         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2957         statement CFG annotations from here to ...
2958         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2960 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2962         * cfgloop.h (enum li_flags): Make the constants powers of two.
2964 2007-01-04  Jan Hubicka  <jh@suse.cz>
2966         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2967         set.
2968         (fold_marked_statements): New function.
2969         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2970         * tree-inline.h (copy_body_data): Add statements_to_fold.
2972 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2974         * config.gcc: Mention libgcc/config.host.
2975         * Makefile.in: Update comments mentioning libgcc.
2976         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2977         (all.cross, start.encap, rest.encap, rest.cross): Update
2978         dependencies for libgcc move.
2979         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2980         (clean-target, clean-target-libgcc): Delete.
2981         (srcdirify, GCC_EXTRA_PARTS): New macros.
2982         (libgcc-support, libgcc.mvars): New rules.
2983         (distclean): Remove mention of mklibgcc.
2984         (install): Don't reference INSTALL_LIBGCC.
2985         (install-common): Don't reference EXTRA_PARTS.
2986         (install-libgcc, install-multilib): Delete rules.
2987         * mklibgcc.in: Delete file.
2988         * doc/configfiles.texi: Don't mention mklibgcc.
2990         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2991         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2992         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2993         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2994         (mklibgcc, ldblspecs): Likewise.
2996         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2997         (posixpre.def): Use $(T).
2998         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2999         (SHLIB_SRC, SHLIB_INSTALL): Delete.
3000         (SHLIB_LINK): Make dummy.
3001         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
3003         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
3005         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
3006         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
3007         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
3008         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
3010         * configure.ac (all_outputs): Remove mklibgcc.
3011         * configure: Regenerated.
3013 2007-01-03  Josh Conner  <jconner@apple.com>
3015         PR middle-end/29683
3016         * calls.c (compute_argument_addresses): Set stack and stack_slot
3017         for partial args, too.
3018         (store_one_arg): Use locate.size.constant for the size when
3019         generating a save_area.
3021 2007-01-03  Robert Kennedy <jimbob@google.com>
3023         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
3024         whose definitions are deleted due to basic block merging.
3026 2007-01-03  Paul Brook  <paul@codesourcery.com>
3028         PR target/16634
3029         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
3030         functions.
3031         (use_return_insn): Return 0 for Thumb interrupt functions.
3032         (print_multi_reg): Add rfe argument for IRQ returns.
3033         (arm_output_epilogue): Pop interrupt return address directly into PC.
3034         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
3036 2007-01-03  Paul Brook  <paul@codesourcery.com>
3038         Merge from sourcerygxx-4_1.
3039         * config/arm/thumb2.md: New file.
3040         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
3041         Thumb-2.
3042         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
3043         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3044         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
3045         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
3046         tables.
3047         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3048         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
3049         comptibility.
3050         * config/arm/ieee754-sf.S: Ditto.
3051         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
3052         (thumb1_base_register_rtx_p): ... to this.
3053         (thumb_index_register_rtx_p): Rename...
3054         (thumb1_index_register_rtx_p): ... to this.
3055         (thumb_output_function_prologue): Rename...
3056         (thumb1_output_function_prologue): ... to this.
3057         (thumb_legitimate_address_p): Rename...
3058         (thumb1_legitimate_address_p): ... to this.
3059         (thumb_rtx_costs): Rename...
3060         (thumb1_rtx_costs): ... to this.
3061         (thumb_compute_save_reg_mask): Rename...
3062         (thumb1_compute_save_reg_mask): ... to this.
3063         (thumb_final_prescan_insn): Rename...
3064         (thumb1_final_prescan_insn): ... to this.
3065         (thumb_expand_epilogue): Rename...
3066         (thumb1_expand_epilogue): ... to this.
3067         (arm_unwind_emit_stm): Rename...
3068         (arm_unwind_emit_sequence): ... to this.
3069         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
3070         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
3071         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
3072         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
3073         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
3074         thumb2_output_casesi): New functions.
3075         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
3076         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
3077         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
3078         THUMB2_WORK_REGS): Define.
3079         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
3080         arm_condexec_mask, arm_condexec_masklen)): New variables.
3081         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
3082         (arm_override_options): Check new CPU capabilities.
3083         Set new architecture flag variables.
3084         (arm_isr_value): Handle v7m interrupt functions.
3085         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
3086         Thumb-2.
3087         (const_ok_for_arm): Handle Thumb-2 constants.
3088         (arm_gen_constant): Ditto.  Use movw when available.
3089         (arm_function_ok_for_sibcall): Return false for v7m interrupt
3090         functions.
3091         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
3092         (thumb_find_work_register, arm_load_pic_register,
3093         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
3094         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
3095         print_multi_reg, output_mov_long_double_fpa_from_arm,
3096         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
3097         output_mov_double_fpa_from_arm, output_move_double,
3098         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
3099         output_return_instruction, arm_output_function_prologue,
3100         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
3101         arm_output_mi_thunk, thumb_set_return_address): Ditto.
3102         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
3103         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
3104         (arithmetic_instr, shift_op): Use arm_shift_nmem.
3105         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
3106         '!' and 'L'.
3107         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
3108         (thumb_expand_prologue): Use thumb_set_frame_pointer.
3109         (arm_file_start): Output directive for unified syntax.
3110         (arm_unwind_emit_set): Handle stack alignment instruction.
3111         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
3112         Add v6t2, v7, v7a, v7r and v7m.
3113         (RETLDM): Add Thumb-2 code.
3114         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
3115         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
3116         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
3117         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
3118         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
3119         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
3120         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
3121         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
3122         ADJUST_INSN_LENGTH): Define.
3123         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
3124         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
3125         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
3126         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
3127         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3128         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
3129         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
3130         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
3131         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
3132         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
3133         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
3134         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
3135         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
3136         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
3137         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
3138         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
3139         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
3140         cortex-m3.
3141         * config/arm/arm-tune.md: Regenerate.
3142         * config/arm/arm-protos.h: Update prototypes.
3143         * config/arm/vfp.md: Enable patterns for Thumb-2.
3144         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
3145         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
3146         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
3147         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
3148         * config/arm/libunwind.S: Add Thumb-2 code.
3149         * config/arm/constraints.md: Update include Thumb-2.
3150         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
3151         * config/arm/ieee754-df.S: Ditto.
3152         * config/arm/bpabi.S: Ditto.
3153         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
3154         * config/arm/predicates.md (low_register_operand,
3155         low_reg_or_int_operand, thumb_16bit_operator): New.
3156         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
3157         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
3158         * config/arm/t-arm-elf: Add armv7 multilib.
3159         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
3160         Include thumb2.md.
3161         (UNSPEC_STACK_ALIGN, ce_count): New.
3162         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
3163         arm_zero_extendsidi2, arm_zero_extendqidi2): New
3164         insns/expanders.
3165         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
3166         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
3167         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
3168         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
3169         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
3170         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
3171         insns.
3172         * doc/extend.texi: Document ARMv7-M interrupt functions.
3173         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
3175 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
3177         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
3178         (struct _Unwind_Context): Rename args_size to flags, remove
3179         signal_frame field, add a new args_size field and version field.
3180         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
3181         _Unwind_IsExtendedContext): New inline functions.
3182         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3183         Assume by_value array is only present if _Unwind_IsExtendedContext.
3184         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
3185         _Unwind_IsSignalFrame.
3186         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
3187         (uw_update_context_1): Use _Unwind_SetSignalFrame.
3188         (uw_init_context_1): Initialize context->flags to
3189         EXTENDED_CONTEXT_BIT.
3190         * config/rs6000/linux-unwind.h (frob_update_context): Use
3191         _Unwind_SetSignalFrame.
3193 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3195         PR middle-end/30353
3196         * gimplify.c (gimplify_modify_expr_complex_part): Move below
3197         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
3198         the value.
3200 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
3202         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
3203         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
3204         RET, AT_SP): Remove.
3205         * config/i386/i386.md (*sse_prologue_save_insn): Use return
3206         instead of RET.
3208         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3209         * cfgbuild.c (find_basic_blocks): Likewise.
3210         * cfgrtl.c (rtl_create_basic_block): Likewise.
3211         * function.c (temp_slots_at_level): Likewise.
3212         * reg-stack.c (stack_regs_mentioned): Likewise.
3213         * regclass.c (allocate_reg_info): Likewise.
3214         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3215         set_bb_for_stmt, move_block_to_fn): Likewise.
3216         * tree-complex.c (tree_lower_complex): Likewise.
3217         * vec.h (VEC_safe_grow_cleared): New.
3219         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
3221 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
3223         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
3224         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
3225         to loop_version.
3226         * cfgloopmanip.c (scale_loop_frequencies): Export.
3227         (loopify): Scale the frequencies by prescribed coefficients.
3228         (set_zero_probability): New function.
3229         (duplicate_loop_to_header_edge): Improve updating of frequencies.
3230         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
3231         and frequencies according to arguments.
3232         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
3233         correctly.
3234         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
3235         * modulo-sched.c (sms_schedule): Set probabilities for entering
3236         versioned loop correctly.
3237         * tree-vect-transform.c (vect_transform_loop): Ditto.
3238         * cfgloop.h (loopify, loop_version): Declaration changed.
3239         (scale_loop_frequencies): Declared.
3241 2007-01-02  Jan Hubicka  <jh@suse.cz>
3243         * cgraph.c: Include tree-flow.h
3244         (cgraph_add_new-function): Handle IPA_SSA mode; execute
3245         early_local_passes.
3246         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
3247         * tree-pass.h (pass_all_early_optimizations): Declare.
3248         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
3249         early_local_passes.
3250         (cgraph_analyze_function): Do early_local_passes.
3251         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3252         Do not add referenced vars.
3253         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
3254         SSA form.
3255         (gate_all_early_local_passes): New gate.
3256         (pass_early_local_passes): Use new gate.
3257         (execute_early_local_optimizations): New functions.
3258         (gate_all_early_optimizations): New gate.
3259         (pass_all_early_optimizations): New pass.
3260         (execute_free_datastructures): Free SSA only when initialized.
3261         (gate_init_datastructures): Init only when optimizing.
3262         (tree_lowering_passes): Do early local passes when called late.
3263         * tree-profile.c (do_tree_profiling): Don't profile functions added
3264         late.
3265         (do_early_tree_profiling, pass_early_tree_profile): Kill.
3266         * tree-cfg.c (update_modified_stmts): Do not update when operands are
3267         not active.
3268         * passes.c (init_optimizations_passes): Reorder so we go into SSA
3269         during early_local_passes.
3270         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
3273 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3275         * Makefile.in: Update copyright year.
3277 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3279         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
3280         in $(lang_checks) and check-consistency targets.
3282 2007-01-02  Jan Hubicka  <jh@suse.cz>
3284         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3285         Do not add referenced vars.
3286         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
3287         are not active.
3288         * passes.c (init_optimization_passes): Put mudflap_2 after
3289         free_datastructures.
3291 2007-01-02  Jan Hubicka  <jh@suse.cz>
3293         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
3294         Set NOTHROW flag on call statements proved to be nothrow.
3295         Update statement of local calls so new pure/const functions are
3296         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
3297         goto receivers.
3298         (tree_rest_of_compilation): Register hooks and initialize bitmap
3299         early. Do not set after_inlining flag.
3301 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
3303         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
3304         HOST_BITS_PER_LONGLONG
3306 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3308         PR c/19977
3309         * c-typeck.c (store_init_value): Don't emit pedantic overflow
3310         warning for non-static initializers.
3312 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
3314         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
3315         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
3316         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
3317         Always use set_unique_reg_note to add REG_EQUAL notes.
3319 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3321         Revert:
3322         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3324         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3325         * cfgbuild.c (find_basic_blocks): Likewise.
3326         * cfgrtl.c (rtl_create_basic_block): Likewise.
3327         * function.c (temp_slots_at_level): Likewise.
3328         * reg-stack.c (stack_regs_mentioned): Likewise.
3329         * regclass.c (allocate_reg_info): Likewise.
3330         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3331         set_bb_for_stmt, move_block_to_fn): Likewise.
3332         * tree-complex.c (tree_lower_complex): Likewise.
3333         * vec.h (VEC_safe_grow_cleared): New.
3335 2007-01-02  Ian Lance Taylor  <iant@google.com>
3337         * c-common.c (c_common_truthvalue_conversion): When warning about
3338         using an assignment as a truth value, set TREE_NO_WARNING.
3340 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3342         PR middle-end/7651
3343         * c.opt (Wold-style-declaration): New.
3344         * doc/invoke.texi (C-only Warning Options): New.
3345         (Wold-style-declaration): Document it.
3346         (Wextra): Enabled by -Wextra.
3347         * c-opts.c (c_common_post_options): Enabled by -Wextra.
3348         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
3349         -Wold-style-declaration.
3351 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3353         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3354         * cfgbuild.c (find_basic_blocks): Likewise.
3355         * cfgrtl.c (rtl_create_basic_block): Likewise.
3356         * function.c (temp_slots_at_level): Likewise.
3357         * reg-stack.c (stack_regs_mentioned): Likewise.
3358         * regclass.c (allocate_reg_info): Likewise.
3359         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3360         set_bb_for_stmt, move_block_to_fn): Likewise.
3361         * tree-complex.c (tree_lower_complex): Likewise.
3362         * vec.h (VEC_safe_grow_cleared): New.
3364 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
3366         * c-common.c (c_common_nodes_and_builtins): Since variants of
3367         void_type_node get built before it is given a name, we need to
3368         give those variants the name, too.
3369         (complete_array_type): We need to work with the canonical main
3370         type of the array, from which we will build the qualified version.
3371         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3372         * print-tree.c (print_node): Display canonical type information
3373         for each type.
3374         * stor-layout.c (layout_type): When we don't know the
3375         alignment of a type for which we're building an array, we end up
3376         guessing wrong, so make the type require structural equality.
3377         * tree.c (make_node_stat): When we build a new type, it is its
3378         own canonical type.
3379         (build_type_attribute_qual_variant): When building an attribute
3380         variant, its canonical type is the non-attribute variant. However,
3381         if the attributes are target-dependent and they differ, we need to
3382         use structural equality checks for this type.
3383         (build_qualified_type): A qualified type is not equivalent to its
3384         unqualified variant; set the canonical type appropriately.
3385         (build_distinct_type_copy): When building a distinct type from
3386         another type, the new type is its own canonical type.
3387         (build_variant_type_copy): When building a new type variant, we
3388         assume that it is equivalent to the original type.
3389         (build_pointer_type_for_mode): When building a pointer type, also
3390         build a canonical type pointer.
3391         (build_reference_type_for_mode): When building a reference type,
3392         also build a canonical type reference.
3393         (build_index_type): When we can't hash an index type (e.g.,
3394         because its maximum value is negative), the index type requires
3395         structural equality tests.
3396         (build_array_type): Build the canonical form of an array type.
3397         (build_function_type): Function types require structural equality,
3398         because they contain default arguments, attributes, etc.
3399         (build_method_type_directly): Ditto for method types.
3400         (build_offset_type): Build the canonical offset type.
3401         (build_complex_type): Build the canonical vector type.
3402         (make_vector_type): Build the canonical vector type.
3403         * tree.h (TYPE_CANONICAL): New.
3404         (TYPE_STRUCTURAL_EQUALITY_P): New.
3405         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3406         (struct tree_type): Added "canonical" field.
3407         * params.h (VERIFY_CANONICAL_TYPES): New.
3408         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3409         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3410         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3411         * doc/invoke.texi (verify-canonical-types): Document --param
3412         parameter for verifying canonical types.
3414 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3416         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3417         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3418         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3419         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3420         tm_file.
3421         * config/rs6000/e500.h: New.
3422         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3423         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3424         Remove.
3425         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3426         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3427         TARGET_E500_DOUBLE): Remove.
3428         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3429         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3430         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3431         * config/rs6000/rs6000.c (rs6000_override_options): Use
3432         CHECK_E500_OPTIONS.
3434 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3436         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3437         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3438         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3439         rs6000_emit_cmove): Don't check TARGET_E500.
3440         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3441         sordered): Don't check TARGET_E500.
3443 2007-01-01  Eric Christopher  <echristo@apple.com>
3445         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3446         HARD_REGISTER_NUM_P.
3448 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3450         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3451         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3452         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3453         eq/ne Y".
3455 2007-01-01  Mike Stump  <mrs@apple.com>
3457         * configure.ac: Remove support for building with Apple's gcc-3.1.
3459 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3461         PR middle-end/30311
3462         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3463         REG is a hard register.  Do not modify REG before calling
3464         subreg_nregs.
3465         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3466         multiple of the size of YMODE for certain lowpart cases.
3468 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3470         PR middle-end/30253
3471         * gimplify (voidify_wrapper_expr): Update for
3472         GIMPLE_MODIFY_STMT.
3474 2007-01-01  Andreas Schwab  <schwab@suse.de>
3476         PR target/29166
3477         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3478         save of BR0 in extra_spill_size instead of spill_size.
3479         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3480         area.
3481         (ia64_expand_epilogue): Restore BR0 from its new location.
3483 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3485         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3486         Use a temporary variable if the left hand side is not a gimple
3487         register.
3489 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3491         * gimplify.c (gimplify_return_expr): Make the temporary variable
3492         for the return expression, a gimple register variable.
3494 2007-01-01  Jan Hubicka  <jh@suse.cz>
3496         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3497         INSN_LIST.
3499 2007-01-01  Mike Stump  <mrs@apple.com>
3501         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3502         .literal16.
3503         * config/darwin.c (machopic_select_rtx_section): Use
3504         HAVE_GAS_LITERAL16.
3505         (darwin_mergeable_constant_section): Likewise.
3506         * configure: Regenerate.
3507         * config.in: Regenerate.
3509 2007-01-01  Jan Hubicka  <jh@suse.cz>
3510             Andrew Pinski  <pinskia@gmail.com>
3512         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3513         before starting IPA passes.