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1 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2
3         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4         * doc/contrib.texi: Likewise.
5         * doc/install.texi: Likewise.
6
7 2007-01-31  Richard Henderson  <rth@redhat.com>
8             Ian Lance Taylor  <iant@google.com>
9
10         * lower-subreg.c: New file.
11         * rtl.def (CONCATN): Define.
12         * passes.c (init_optimization_passes): Add pass_lower_subreg and
13         pass_lower_subreg2.
14         * emit-rtl.c (update_reg_offset): New static function, broken out
15         of gen_rtx_REG_offset.
16         (gen_rtx_REG_offset): Call update_reg_offset.
17         (gen_reg_rtx_offset): New function.
18         * regclass.c: Revert patch of 2006-03-05, restoring
19         reg_scan_update.
20         (clear_reg_info_regno): New function.
21         * dwarf2out.c (concatn_loc_descriptor): New static function.
22         (loc_descriptor): Handle CONCATN.
23         * common.opt (fsplit_wide_types): New option.
24         * opts.c (decode_options): Set flag_split_wide_types when
25         optimizing.
26         * timevar.def (TV_LOWER_SUBREG): Define.
27         * rtl.h (gen_reg_rtx_offset): Declare.
28         (reg_scan_update): Declare.
29         * regs.h (clear_reg_info_regno): Declare.
30         * tree-pass.h (pass_lower_subreg): Declare.
31         (pass_lower_subreg2): Declare.
32         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
33         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
34         -fsplit-wide-types.
35         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
36         * Makefile.in (OBJS-common): Add lower-subreg.o.
37         (lower-subreg.o): New target.
38
39 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
40
41         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
42
43 2007-01-31  Anatoly Sokolov <aesok@post.ru>
44
45         PR target/19087
46         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
47
48 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
49
50         PR middle-end/29335
51         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
52
53 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
54
55         * cfgloop.h: Include vec-prim.h.
56         (enum li_flags): Remove LI_ONLY_OLD.
57         (loop_iterator): Changed.
58         (fel_next, fel_init): Iterate over loop tree.
59         (FOR_EACH_LOOP_BREAK): New macro.
60         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
61         FOR_EACH_LOOP.
62         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
63         * modulo-sched.c (sms_schedule): Ditto.
64         * tree-vectorizer.c (vectorize_loops): Ditto.
65         * doc/loop.texi: Update information on loop numbering and behavior of
66         FOR_EACH_LOOP wrto new loops.
67         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
68         add_to_evolution_1): Test nestedness of loops instead of comparing
69         their numbers.
70         * tree-chrec.c (chrec_fold_plus_poly_poly,
71         chrec_fold_multiply_poly_poly, chrec_evaluate,
72         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
73         reset_evolution_in_loop): Ditto.
74         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
75
76 2007-01-31  Dirk Mueller  <dmueller@suse.de>
77
78         * c-common.c (warn_about_parentheses): Separate warning about
79         un-parenthized sequence of comparison operators from the one
80         which is supposed to warn about x <= y <= z.
81
82 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
83
84         * optabs.h (enum optab_index): Add new OTI_isinf.
85         (isinf_optab): Define corresponding macro.
86         * optabs.c (init_optabs): Initialize isinf_optab.
87         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
88         patterns.
89         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
90         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
91         using isinf_optab.
92         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
93         expand_builtin_interclass_mathfn.
94         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
95         * config/i386/i386.md (UNSPEC_FXAM): New constant.
96         (fxam<mode>2_i387): New insn pattern.
97         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
98         built-in functions as x87 inline asm.
99
100 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
101
102         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
103
104 2007-01-30  Eric Christopher  <echristo@apple.com>
105
106         * config.gcc: Add geode.
107
108 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
109
110         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
111         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
112         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
113         value-prof.c: Fix comment typos.
114
115 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
116
117         PR c++/24745
118         * doc/invoke.texi (Wpointer-arith): Document warning.
119
120 2007-01-30  Janis Johnson
121
122         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
123         the list of discrepancies from the draft TR.
124
125 2007-01-30  Dirk Mueller  <dmueller@suse.de>
126
127         PR c++/30601
128         * doc/invoke.texi (-Wreturn-type): Update description to
129         match new behavior.
130
131 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
132
133         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
134
135 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
136
137         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
138         to handle optabs that operate on floating point input argument and
139         output to integer output.
140         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
141         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
142         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
143         expand_builtin_interclass_mathfn ().
144         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
145         (ilogbsi2): Remove.
146         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
147         ilogbl built-in functions as x87 intrinsics.
148
149 2007-01-30  Richard Guenther  <rguenther@suse.de>
150
151         PR middle-end/27657
152         * dwarf2out.c (reference_to_unused): Query varpool if the
153         variable was output.
154
155 2007-01-30  Richard Guenther  <rguenther@suse.de>
156
157         PR middle-end/30313
158         * passes.c (execute_one_pass): Reset in_gimple_form to not
159         confuse non-unit-at-a-time mode.
160
161 2007-01-29  Roger Sayle  <roger@eyesopen.com>
162             Richard Guenther  <rguenther@suse.de>
163
164         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
165         avoid undefined behaviour on overflow.  Use force_fit_type_double
166         to construct the constant with the specified TREE_OVERFLOW.
167
168 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
169
170         * config/dfp-bit.c: Add parameterized support for fp exceptions.
171         * config/dfp-bit.h: Ditto.
172
173 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
174
175         * c-decl.c (pop_scope): Replace warnings with call to
176         warn_for_unused_label.
177         * c-common.h (warn_for_unused_label): Declare.
178         * c-common.c (warn_for_unused_label): Define.
179
180 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
181
182         * tree-optimize.c (update_inlined_to_pointers): Delete unused
183         function.
184
185 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
186
187         * Makefile.in (USER_H): Remove decfloat.h.
188         * ginclude/decfloat.h: Delete, moving contents to ...
189         * ginclude/float.h: Add support for decimal floating point,
190         guarded by __STDC_WANT_DEC_FP__.
191
192 2007-01-29  Mike Stump  <mrs@apple.com>
193
194         * doc/gccint.texi (Top): Rename Loop Representation to Loop
195         Analysis and Representation to resolve case insensitive conflict.
196         * doc/loop.texi (Loop Analysis and Representation): Likewise.
197
198 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
199
200         * tree.h (struct tree_memory_tag): Add aliases member.
201         (MTAG_ALIASES): New macro.
202         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
203         (add_may_alias): Remove pointer-set. Update for may_aliases being
204         a bitmap.
205         (mark_aliases_call_clobbered): Update for may_aliases being a
206         bitmap.
207         (compute_tag_properties): Ditto.
208         (create_partition_for): Ditto.
209         (compute_memory_partitions): Ditto.
210         (dump_may_aliases_for): Ditto.
211         (is_aliased_with): Ditto.
212         (add_may_alias_for_new_tag): Ditto.
213         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
214         (compute_is_aliased): New function.
215         (compute_may_aliases): Call compute_is_aliased).
216         (init_alias_info): Initialize alias_bitmap_obstack.
217         (union_alias_set_into): New function.
218         (compute_flow_sensitive_aliasing): Use union_aliases_into.
219         (have_common_aliases_p): Rewrite to take two bitmaps and use
220         intersection.
221         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
222         Update for bitmaps.
223         (finalize_ref_all_pointers): Update for add_may_alias changes.
224         (new_type_alias): Ditto.
225         * tree-flow-inline.h (may_aliases): Return a bitmap.
226         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
227         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
228         may_aliases being a bitmap.
229         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
230         may_aliases now returns a bitmap.
231         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
232         being a bitmap.
233         * tree-ssa-operands.c (add_virtual_operand): Update for
234         may_aliases being a bitmap.
235
236 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
237
238         PR tree-optimization/30630
239         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
240         variable as changed.
241
242 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
243
244         PR c++/28266
245         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
246         expanded only once even if an error occurs.
247
248 2007-01-29  Ben Elliston  <bje@au.ibm.com>
249
250         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
251         (__gcov_average_profiler): Likewise.
252         (__gcov_ior_profiler): Likewise.
253         (__gcov_merge_ior): Likewise.
254
255 2007-01-28  Jan Hubicka  <jh@suse.cz>
256
257         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
258         * value-prof.c (stringop_block_profile): Likewise.
259
260 2007-01-28  Jan Hubicka  <jh@suse.cz>
261
262         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
263         variant handling histograms; add wrapper.
264         (clear_storage_via_libcall): Export.
265         (emit_block_move_hints): Break out from ...; add histograms.
266         (emit_block_move): ... this one.
267         (clear_storage_hints): Break out from ...; add histograms.
268         (clear_storage): ... this one.
269         (set_storage_via_memset): Handle histogram.
270         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
271         (clear_storage_hints, clear_storage_via_libcall): Declare.
272         (set_storage_via_setmem): Update prototype.
273         * doc/md.texi (movmem, setmem): Document new arguments.
274
275         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
276         new histograms.
277         (stringop_block_profile): New global function.
278         (tree_stringops_values_to_profile): Profile block size and alignment.
279         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
280         HIST_TYPE_IOR.
281         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
282         (stringop_block_profile): Declare.
283         * builtins.c: Include value-prof.h.
284         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
285         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
286         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
287         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
288         * profile.c (instrument_values): Add new counters.
289         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
290         calls.
291         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
292         (tree_init_edge_profiler): Build new profilers.
293         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
294         (pass_tree_profile): Add dump.
295         (tree_profile_hooks): Update.
296         * Makefile.in (LIBGCOV): Add new constants.
297         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
298         __gcov_ior_profiler): New.
299         * i386.md (movmem/setmem expanders): Add new optional arguments.
300
301 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
302
303         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
304
305 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
306
307         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
308         (tree_unswitch_single_loop): Pass eni_size_weights to
309         tree_num_loop_insns.
310         * tree-ssa-loop-manip.c: Include tree-inline.h.
311         (can_unroll_loop_p): Pass eni_size_weights to
312         tree_num_loop_insns.
313         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
314         Pass eni_size_weights to estimate_num_insns.
315         * tree.h (init_inline_once): Export.
316         * toplev.c (backend_init): Call init_inline_once.
317         * cgraphunit.c (cgraph_process_new_functions,
318         cgraph_analyze_function): Pass eni_inlining_weights to
319         estimate_num_insns.
320         * ipa-inline.c (compute_inline_parameters): Ditto.
321         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
322         to estimate_num_insns.
323         (try_unroll_loop_completely): Pass eni_size_weights to
324         tree_num_loop_insns.
325         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
326         ot estimate_num_insns.
327         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
328         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
329         * tree-inline.c (eni_inlining_weights, eni_size_weights,
330         eni_time_weights): New variables.
331         (init_inline_once): Initialize them.
332         (struct eni_data): Mew.
333         (estimate_num_insns_1, estimate_num_insns): Use weights.
334         * tree-inline.h (struct eni_weights_d): New.
335         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
336         (estimate_num_insns): Declaration changed.
337         * cfgloop.h (tree_num_loop_insns): Declaration changed.
338         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
339         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
340
341 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
342
343         * tree-data-ref.c (conflict_fn): Assert that the number of affine
344         relations in the conflict function is valid.
345
346 2007-01-27  Ian Lance Taylor  <iant@google.com>
347
348         * common.opt: Add fstrict-overflow.
349         * opts.c (decode_options): Set flag_strict_overflow if -O2.
350         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
351         (TYPE_OVERFLOW_UNDEFINED): Define.
352         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
353         Replace all uses.
354         * tree.h (TYPE_TRAP_SIGNED): Don't define.
355         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
356         (fold_negate_expr): Likewise.
357         (make_range): Likewise.
358         (extract_muldiv_1): Likewise.
359         (maybe_canonicalize_comparison): Likewise.
360         (fold_comparison): Likewise.
361         (fold_binary): Likewise.
362         (tree_expr_nonnegative_p): Likewise.
363         (tree_expr_nonzero_p): Likewise.
364         * tree-vrp.c (compare_values): Likewise.
365         (extract_range_from_binary_expr): Likewise.
366         (extract_range_from_unary_expr): Likewise.
367         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
368         Likewise.
369         (nowrap_type_p): Likewise.
370         * tree-scalar-evolution.c (simple_iv): Likewise.
371         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
372         (build_range_check): Likewise.
373         (extract_muldiv_1): Likewise.
374         (fold_comparison): Likewise.
375         * tree-vrp.c (vrp_int_const_binop): Likewise.
376         (extract_range_from_unary_expr): Likewise.
377         * convert.c (convert_to_integer): Likewise.
378         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
379         (fold_comparison): Likewise.
380         (fold_binary): Likewise.
381         * optabs.c (optab_for_tree_code): Likewise.
382         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
383         * simplify-rtx.c (simplify_const_relational_operation): Check
384         flag_strict_overflow and flag_trapv.
385         (simplify_const_relational_operation): Likewise.
386         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
387         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
388         -fstrict-overflow.
389
390 2007-01-27  Roger Sayle  <roger@eyesopen.com>
391
392         * tree.c (tree_fold_gcd): Delete.
393         * tree.h (tree_fold_gcd): Remove prototype.
394         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
395         test whether one constant integer is a multiple of another.  Instead
396         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
397         * fold-const.c (multiple_of_p):  We've determined both TOP and
398         BOTTOM are integer constants so we can call int_const_binop directly
399         instead of the more generic const_binop.
400
401 2007-01-27  Roger Sayle  <roger@eyesopen.com>
402
403         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
404         1*X check that the constant hasn't overflowed, to preserve the
405         TREE_OVERFLOW bit.
406         (round_up): Provide an efficient implementation when rouding-up an
407         INTEGER_CST to a power-of-two.
408
409 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
410
411         * doc/sourcebuild.texi: Add comma for clarity.
412         * doc/extend.texi: Fix some typos.
413         * doc/passes.texi: Likewise.
414         * doc/cppinternals.texi: Likewise.
415         * doc/c-tree.texi: Likewise.
416         * doc/tree-ssa.texi: Likewise.
417         * doc/install.texi: Likewise.
418
419 2007-01-27  Jan Hubicka  <jh@suse.cz>
420
421         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
422         (pass_sra): Do not require alias information.
423         * passes.c (init_optimization_passes): Add SRA
424
425 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
426
427         * tracer.c (rest_of_handle_tracer): We already cleaned
428         up the CFG in tracer() so don't do it here again.
429         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
430         cleanup_cfg here, either.  And don't call renumber_insns.
431
432         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
433         and BB_HEAD are in the insn stream here.  Instead make sure
434         that BB_INSN is valid on all insns.  Also, do check here that
435         there are no pending branch predictions...
436         (rtl_verify_flow_info): ...instead of doing it here.  Checks
437         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
438         here.
439
440 2007-01-26  Roger Sayle  <roger@eyesopen.com>
441
442         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
443         function to simplify/factorize operand order canonicalization.
444         (ix86_fixup_binary_operands): Reorganize using the above function.
445         (ix86_binary_operator_ok): Likewise.
446
447 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
448
449         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
450         file scope from optimize_attrs.
451         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
452         up search.
453         (optimize_attrs): Clear insn_code_values after freeing it.
454
455 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
456
457         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
458         a parts.base assignment.
459
460 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
461
462         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
463         (compute_subscript_distance, initialize_data_dependence_relation,
464         finalize_ddr_dependent, analyze_ziv_subscript,
465         analyze_siv_subscript_cst_affine,
466         compute_overlap_steps_for_affine_univar,
467         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
468         analyze_siv_subscript, analyze_miv_subscript,
469         analyze_overlapping_iterations, subscript_dependence_tester_1,
470         compute_self_dependence, free_dependence_relation): Work
471         with affine_fn instead of chrecs.
472         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
473         common_affine_function, affine_function_base,
474         affine_function_constant_p, affine_fn_op, affine_fn_plus,
475         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
476         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
477         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
478         (all_chrecs_equal_p): Removed.
479         * tree-data-ref.h (affine_fn, conflict_function): New types.
480         (struct subscript): Change type of conflicting_iterations_in_a
481         and conflicting_iterations_in_b.
482
483 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
484
485         PR other/30182
486         * config/pa/pa.h (TARGET_HPUX_11): New.
487         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
488         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
489
490 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
491         Richard Guenther  <rguenther@suse.de>
492
493         * tree-ssa-structalias.c (solve_graph): Handle case
494         we merged the variable to another.
495
496 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
497
498         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
499         functions.
500
501         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
502         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
503
504 2007-01-25  DJ Delorie  <dj@redhat.com>
505
506         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
507         allow changes to modes which don't fit in those registers.
508
509         * reload1.c (choose_reload_regs): Check for invalid subregs before
510         computing their locations, not after.
511
512 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
513
514         PR 25127
515         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
516         save Altivec registers in an eh_return function.
517         (compute_vrsave_mask): Likewise.
518         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
519         for saving Altivec registers.
520         (rs6000_emit_prologue): Don't allocate stack twice in
521         eh_return function.  Correct expected value of altivec_save_offset
522         when using save_world.  Describe save of R0 to stack when using
523         save_world.  Describe stack pointer adjustment when using
524         save_world.  Remove duplicated eh_return parameter register saving.
525         Update sp_offset variable after save_world.
526         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
527         darwin-world.asm.
528         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
529         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
530         implies Altivec.
531
532 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
533
534         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
535
536 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
537
538         PR other/30182
539         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
540         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
541
542 2007-01-25  Richard Guenther  <rguenther@suse.de>
543
544         * doc/invoke.texi (-Wcoverage-mismatch): Document.
545         * common.opt (-Wcoverage-mismatch): New warning option.
546         * coverage.c (get_coverage_counts): Ignore coverage mismatch
547         if -Wcoverage-mismatch is given.
548
549 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
550
551         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
552         (ipcp_driver): Change to static definition.
553         Add dumping of the ifunctions.
554         (constant_val_insert): Remove unused parameter. Support for SSA.
555         (ipcp_propagate_const): Support for SSA.
556         (ipcp_profile_bb_print): Print only analyzed nodes.
557         (ipcp_replace_map_create): Remove support for Fortran constant
558         for now.
559         * ipa-prop.c (ipa_method_modify_stmt,
560         ipa_callsite_compute_param): Support for SSA.
561         * ipa-prop.h (ipcp_driver): Remove declaration.
562         (IS_VALID_TREE_MAP_INDEX): Add define.
563
564 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
565
566         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
567
568 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
569
570         PR middle-end/30447
571         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
572         constant argument to cabs and do it without checking for
573         -funsafe-math-optimizations.
574
575 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
576
577         * c-common.h (RID_FIRST_CXX0X): New.
578         (RID_LAST_CXX0X): New.
579         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
580         by -Wall.
581         * c.opt (Wc++0x-compat): New.
582         * doc/invoke.texi (-Wc++0x-compat): Document.
583
584 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
585
586         * builtins.c (fold_builtin_carg): New.
587         (fold_builtin_1): Use it.
588
589 2007-01-24  Jan Hubicka  <jh@suse.cz>
590
591         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
592
593         * ipa-inline.c (initial_insns, max_insns): Delete.
594         (compute_max_insns): New function.
595         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
596         of insns as base for code growth.
597         (cgraph_decide_inlining): Make initial_insns local; do not compute
598         max_insns.
599         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
600         * doc/invoke.texi (inline-unit-growth): Update docs.
601
602 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
603
604         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
605         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
606         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
607         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
608         for CPUs that have PTA_CX16 set.
609
610         PR middle-end/27416
611         * gimplify.c (omp_check_private): New function.
612         (gimplify_scan_omp_clauses): Use it for
613         firstprivate/lastprivate/reduction.
614
615         PR middle-end/30494
616         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
617         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
618
619         PR middle-end/30421
620         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
621         If lower_lastprivate_clauses emits some statements, append them
622         to dlist rather than body_p and to body_p append an initializer.
623         (lower_omp_for): Adjust caller.
624
625 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
626
627         * target.h (globalize_decl_name): New.
628         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
629         * output.h (default_globalize_decl_name): New.
630         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
631         globalize_label.
632         (globalize_decl): Ditto.
633         (default_globalize_decl_name): New.
634         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
635         (ia64_handle_version_id_attribute): New.
636         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
637         (ia64_asm_output_external): Use globalize_decl_name instead
638         of globalize_label.
639         * doc/extend.texi (version_id): New pragma.
640         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
641
642 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
643
644         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
645         _uleb128_t and _Unwind_SWord with _sleb128_t.
646         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
647         uw_frame_state_for, uw_update_context_1): Likewise.
648         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
649         * unwind-pe.h (read_uleb128, read_sleb128,
650         read_encoded_value_with_base): Likewise.
651         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
652
653 2007-01-24  Richard Guenther  <rguenther@suse.de>
654
655         * builtins.c (expand_builtin_cexpi): Get the fndecl
656         for cexp in the correct way.
657
658 2007-01-24  Jan Hubicka  <jh@suse.cz>
659
660         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
661
662 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
663
664         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
665         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
666         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
667         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
668         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
669         __SIZEOF_PTRDIFF_T__.
670         * doc/cpp.texi: Documentation for the new builtin macros added.
671
672 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
673
674         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
675         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
676         instead of operands[2] to avoid access past the end of array.
677
678 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
679
680         * reload1.c (emit_reload_insns): Pass the reload register
681         for a non-spill output reload through forget_old_reloads_1.
682
683 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
684
685         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
686         _SOFT_DOUBLE if doubles use software floating-point.
687         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
688         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
689         * config/rs6000/darwin-ldouble.c: Also compile functions for
690         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
691         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
692         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
693         commented-out long double override.
694         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
695         * config/rs6000/eabispe.h: Likewise.
696         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
697         long double for non-SPE.
698         (rs6000_handle_option): Likewise.
699         (invalid_e500_subreg): Disallow more subregs involding DImode,
700         DFmode, TImode or TFmode.
701         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
702         E500 double.
703         (legitimate_lo_sum_address_p): Also check for TFmode for E500
704         double.
705         (rs6000_legitimize_address): Also handle TFmode for E500 double.
706         (rs6000_legitimize_reload_address): Also handle TFmode for E500
707         double.
708         (rs6000_legitimate_address): Also check for TFmode for E500
709         double.
710         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
711         (spe_build_register_parallel): Handle TFmode and TCmode.
712         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
713         double.
714         (function_arg): Handle TFmode and TCmode for E500 double.
715         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
716         in general.
717         (print_operand): Handle TFmode and TImode for %y.
718         (rs6000_generate_compare): Handle TFmode comparisons for E500
719         double.
720         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
721         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
722         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
723         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
724         TFmode for E500 double.
725         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
726         (floatsidf2): Enable for E500 double.
727         (movtf_softfloat): Use rs6000_nonimmediate_operand.
728         (extenddftf2): Change to extenddftf2_fprs.
729         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
730         depending on TARGET_E500_DOUBLE.
731         (extendsftf2): Enable for E500 double.
732         (trunctfdf2): Enable for E500 double.
733         (trunctfsf2): Change to trunctfsf2_fprs.
734         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
735         depending on TARGET_E500_DOUBLE.
736         (floatsitf2): Enable for E500 double.
737         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
738         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
739         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
740         (negtf2): Change to negtf2_internal.
741         (negtf2): New expander.
742         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
743         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
744         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
745         (movdi_internal32): Use rs6000_nonimmediate_operand.
746         (unnamed splitter): Likewise.
747         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
748         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
749         (SPE64TF, DITI): New mode macros.
750         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
751         modes.
752         (frob_tf_ti): New.
753         (frob_<mode>_di_2): New.
754         (frob_tf_di_8_2): New.
755         (frob_di_df): Change to frob_di_<mode>; allow more modes.
756         (frob_ti_tf): New.
757         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
758         more modes.
759         (frob_ti_<mode>_8_2): New.
760         (frob_ti_tf_2): New.
761         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
762         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
763         TFmode.
764         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
765         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
766         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
767         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
768         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
769         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
770         tsttflt_gp): New.
771
772 2007-01-23  Ian Lance Taylor  <iant@google.com>
773
774         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
775         insn-*.o first.
776         (OBJS-archive): Reformat, alphabetize.
777         (OBJS): Change out_object_file to OBJS-md.
778
779 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
780
781         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
782         JUMP_P and CALL_P predicates where applicable.
783         * config/i386/i386.c: Ditto.
784         * config/i386/i386.md: Ditto.
785         * config/i386/mmx.md: Ditto.
786         * config/i386/predicates.md: Ditto.
787
788 2007-01-22  Andreas Schwab  <schwab@suse.de>
789
790         * config/m68k/m68k.h: Fix comment.
791
792 2007-01-22  Jan Hubicka  <jh@suse.cz>
793
794         * passes.c (init_optimization_passes): Do not rerun
795         pass_early_warn_uninitialized.
796
797 2007-01-22  Richard Guenther  <rguenther@suse.de>
798
799         PR tree-optimization/30038
800         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
801         function.
802         (execute_cse_sincos_1): Likewise.
803         (execute_cse_sincos): Likewise.
804         (gate_cse_sincos): Likewise.
805         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
806         the cexpi() canonicalization of sincos().
807         * tree-pass.h (pass_cse_sincos): Declare.
808         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
809
810 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
811
812         PR rtl-optimization/29329
813         * combine.c (replaced_rhs_insn): Rename to i2mod.
814         (replaced_rhs_value): Rename to i2mod_new_rhs.
815         (i2mod_old_rhs): New global variable.
816         (combine_instructions): Adjust for above change.  Save a copy of
817         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
818         note are substituted in the second instruction.
819         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
820         ditch the note if it pertains to the second eliminated register
821         and this register is mentioned in i2mod_old_rhs.
822
823         Revert:
824         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
825
826         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
827         the insn to which the note was originally attached.
828
829 2007-01-21  Jan Hubicka  <jh@suse.cz>
830
831         * ipa-inline.c (inlining_mode): Comment, move up.
832         (cgraph_decide_inlining_incrementally): Do not perform inlining
833         itself; fix handling of flattening of self recursive functions.
834         (cgraph_find_cycles): Remove.
835         (cgraph_flatten_node): Remove.
836         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
837         (try_inline): New function.
838         (cgraph_early_inlining): Update call of
839         cgraph_decide_inlining_incrementally.  Apply inlining here.
840         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
841
842 2007-01-21  Dirk Mueller  <dmueller@suse.de>
843
844         PR bootstrap/30511
845         * tree-vrp.c (check_array_bounds): do not warn
846         about ADDR_EXPR's of ARRAY_REF's which are immediately
847         used in binary expressions.
848
849 2007-01-21  Ira Rosen  <irar@il.ibm.com>
850
851         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
852         read_write_dep and macros for its access.
853         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
854         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
855         argument, call vect_check_interleaving for every independent pair of
856         data-refs. Mark loads that access the same memory location as a store
857         in the loop.
858         (vect_check_dependences): Remove.
859         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
860         call, fix the call to vect_analyze_data_ref_dependence.
861         (vect_analyze_data_ref_access): For statements that access the same
862         data-ref, check that they are not stores; for loads, check that there
863         is no store that access the same location.
864
865 2007-01-20  Roger Sayle  <roger@eyesopen.com>
866             Joseph Myers  <joseph@codesourcery.com>
867
868         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
869         (-fdump-rtl-stack): Likewise.
870         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
871         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
872         (-mpt-fixed): Use @minus{} for minus sign.
873         (Using Precompiled Headers): Fix under/overfull hbox.
874
875 2007-01-20  Jan Hubicka  <jh@suse.cz>
876
877         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
878         place within annotation.
879
880 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
881
882         * pa.c (output_move_double): Change array size of xoperands to 4.
883
884 2007-01-20  Jan Hubicka  <jh@suse.cz>
885
886         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
887         as temporary.
888
889 2007-01-19  Ian Lance Taylor  <iant@google.com>
890
891         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
892         constant to unsigned HOST_WIDE_INT before negating.
893
894 2007-01-19  Ian Lance Taylor  <iant@google.com>
895
896         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
897         to unsigned.
898         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
899         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
900         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
901         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
902         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
903         (realloc_vdef, realloc_vuse): Change second parameter to
904         unsigned.
905         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
906         fields to unsigned.
907         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
908         unsigned. Change x and lim locals to unsigned.
909         (realloc_vdef, realloc_vuse): Change num_elem parameter to
910         unsigned.
911         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
912         (copy_virtual_operands): Change i and n locals to unsigned.
913
914 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
915
916         PR middle-end/29335
917         * builtins.c (fold_builtin_1): Handle builtin fdim.
918
919 2007-01-20  Jan Hubicka  <jh@suse.cz>
920
921         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
922         * tree-ssa-structalias.c (compute_points_to_sets): Do call
923         init_alias_heapvars.
924         (init_alias_heapvars): Initialize only when not already initialized.
925         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
926
927 2007-01-19  Roger Sayle  <roger@eyesopen.com>
928
929         * common.opt (fsigned-zeros): New command line option.
930         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
931         of flag_unsafe_math_optimizations.
932         * opts.c (set_fast_math_flags): The -ffast-math command line option
933         implies -fno-signed-zeros.
934         (fast_math_flags_set_p): Likewise.
935
936         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
937         the documentation of -ffast-math appropriately.  Wrap long lines.
938
939 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
940
941         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
942         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
943
944 2007-01-19  Tomas Bily  <tbily@suse.cz>
945
946         * cgraphunit.c (cgraph_finalize_function): Updating of pid
947         * tree-profile.c:
948         (tree_init_ic_make_global_vars): New function
949         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
950         (tree_gen_ic_profiler): New function
951         (tree_gen_ic_func_profiler): New function
952         (tree_profiling): Added calling of tree_gen_ic_func_profiler
953         (tree_profile_hooks): Added hook for indirec/virtual calls
954         * value-prof.c (tree_find_values_to_profile): New case for
955         indirect calls
956         (tree_values_to_profile): Call for determining indirect/virtual
957         counters
958         (tree_indirect_call_to_profile): New function
959         (tree_ic_transform): New function
960         (tree_ic): New function
961         (find_func_by_pid): New function
962         (init_pid_map): New function
963         (tree_value_profile_transformations): Added check for
964         indirect/virtual call transformation
965         * value-prof.h (enum hist_type): New counter type for
966         indirect/virtual calls
967         (profile_hooks): Added new hook for profiling indirect/virtual
968         calls
969         * profile.c (instrument_values): New case for indirect/virtual
970         call added
971         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
972         (GCOV_COUNTER_V_INDIR): New counter type
973         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
974         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
975         call added
976         * cgraph.c: Definition of cgraph_max_pid
977         (cgraph_create_node): Default init of pid attribute
978         * cgraph.h: Declaration of cgraph_max_pid
979         (struct cgraph_node): Added pid attribute
980         * libgcov.c (__gcov_indirect_call_profiler): New function
981         (__gcov_one_value_profiler_body): New function
982         (__gcov_one_value_profiler): Body was moved to
983         __gcov_one_value_profiler_body and calls it
984
985 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
986
987         * doc/gty.texi (Options): Document the mark_hook option to GTY.
988         * gengtype.c (write_types_data, write_func_for_structure,
989         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
990         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
991         (walk_type, write_func_for_structure): Generate the mark_hook if
992         needed.
993
994 2007-01-19  Jan Hubicka  <jh@suse.cz>
995
996         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
997         'early' argument take inlining mode argument specifying whether to
998         inline for size/speeed or all functions; add support for flattening;
999         improve dumpting.
1000         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
1001
1002 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1003
1004         PR c++/17947
1005         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
1006         the name of the declared identifier.
1007
1008 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1009
1010         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
1011         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
1012         duplicate evaluation.
1013
1014 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1015
1016         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
1017         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
1018         to XFMode, use acosxf2 and truncate result to requested mode.
1019         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1020         (asin<mode>2): Similarly, with asin expanders.
1021         (*fscalexf4_i387): Rename from *fscalexf4.
1022         (expNcorexf3): New expander.
1023         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
1024         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
1025         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
1026         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
1027         patterns for SSE math.
1028         (exp10<mode>2): Similarly, with exp10 expanders.
1029         (exp2<mode>2): Similarly, with exp2 expanders.
1030         (expm1<mode>2): Similarly, with expm1 expanders.
1031         (ldexp<mode>3): Similarly, with ldexp expanders.
1032         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
1033         Use gen_truncxf<mode>2_i387_noop to truncate result.
1034
1035 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1036
1037         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
1038         for ColdFire targets.
1039
1040 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
1041             Richard Sandiford  <richard@codesourcery.com>
1042
1043         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
1044         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
1045         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
1046         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
1047         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1048         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1049
1050 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1051
1052         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
1053         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
1054         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
1055         (*adddi_dilshr32_cf): New pattern.
1056         (adddi3, subdi3): Remove first alternatives.
1057
1058 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1059
1060         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
1061         implemented using move.l, do not use its cc result for floating-point
1062         comparisons.
1063
1064 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1065
1066         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
1067         from accepting 's' constraints if flag_pic.
1068
1069 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1070
1071         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
1072         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
1073         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
1074         condition from TARGET_68881 to TARGET_HARD_FLOAT.
1075
1076 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
1077
1078         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
1079         ColdFire alternatives.
1080         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
1081         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
1082         architectures that support ff1 instruction.
1083
1084 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1085             Julian Brown  <julian@codesourcery.com>
1086
1087         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
1088         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
1089         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
1090         Add commentary.
1091
1092 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1093
1094         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
1095         and return a bool.
1096         (output_move_const_into_data_reg, output_move_simode_const): Delete.
1097         * config/m68k/m68k.c (const_method, const_int_cost): Take a
1098         HOST_WIDE_INT instead of an rtx.
1099         (m68k_rtx_costs): Update call accordingly.
1100         (output_move_const_into_data_reg): Likewise.  Fix formatting.
1101         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
1102         Return a bool.
1103         (output_move_simode_const): Update calls after above changes.
1104         Rework to use automatic variables and predicates like MEM_P.
1105         * config/m68k/m68k.md (pushexthisi_const): Update call to
1106         valid_mov3q_const.
1107
1108 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1109
1110         * tree-ssa-alias.c (perform_var_substitution): Fix typo
1111         in dump_flags test.
1112
1113 2007-01-19  Richard Guenther  <rguenther@suse.de>
1114
1115         * builtins.c (expand_builtin_cexpi): Fall back to expanding
1116         via cexp in case sincos is not available.
1117
1118 2007-01-19  Richard Guenther  <rguenther@suse.de>
1119
1120         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
1121         * defaults.h (TARGET_HAS_SINCOS): Default to off.
1122         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
1123         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
1124         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
1125         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
1126         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
1127         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
1128
1129 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1130
1131         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
1132         New insn patterns.
1133         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
1134         (atan2xf3): Directly generate RTL pattern.
1135         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
1136         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1137         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1138         disable patterns for SSE math.
1139         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
1140         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1141         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1142         disable patterns for SSE math.
1143
1144 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
1145
1146         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
1147
1148 2007-01-18  Roger Sayle  <roger@eyesopen.com>
1149
1150         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
1151         VIEW_CONVERT_EXPR to the same type as it's operand.
1152
1153 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
1154
1155         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
1156         configured for long double 128.
1157
1158 2007-01-18  Mike Stump  <mrs@apple.com>
1159
1160         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
1161         error.
1162
1163 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
1164
1165         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
1166         type correct.
1167
1168 2007-01-18  Jan Hubicka  <jh@suse.cz>
1169
1170         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
1171         greater than NUM_VOP_FREE_BUCKETS.
1172
1173 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
1174
1175         * tree-ssa-structalias.c: Update comments.
1176         (ptabitmap_obstack): Removed.
1177         (pta_obstack): New.
1178         (oldpta_obstack): Ditto.
1179         (stats): Add a few members.
1180         (struct variable_info): Remove node, complex, address_taken, and
1181         indirect_target members. Add oldsolution member.
1182         (new_var_info): Do not initialize removed members.
1183         (constraint_expr_type): Remove INCLUDES.
1184         (constraint_graph): Add size, implicit_preds, rep,
1185         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
1186         (FIRST_REF_NODE): New macro.
1187         (LAST_REF_NODE): Ditto.
1188         (FIRST_ADDR_NODE): Ditto.
1189         (find): New function.
1190         (unite): Ditto.
1191         (dump_constraint): Do not handle INCLUDES.
1192         (insert_into_complex): Do not insert duplicate constraints.
1193         (condense_varmap_nodes): Renamed and rewritten into ...
1194         (merge_node_constraints): This. Also fix bug in handling of
1195         offseted copy constraints.
1196         (clear_edges_for_node): No longer need to deal with preds at all,
1197         or removing associated preds/succs.
1198         (merge_graph_nodes): Deal with indirect_cycles.
1199         Don't deal with predecessors.
1200         (add_implicit_graph_edge): New function.
1201         (add_pred_graph_edge): Ditto.
1202         (add_graph_edge): Don't deal with predecessors.
1203         (build_constraint_graph): Removed.
1204         (build_pred_graph): New function.
1205         (build_succ_graph): Ditto.
1206         (struct scc_info): Removed in_component. Added roots, dfs, and
1207         node_mapping. Remove visited_index, unification_queue.
1208         (scc_visit): Deal with union-find we do now.
1209         Deal with cycles with REF nodes.
1210         (collapse_nodes): Renamed and rewritten to ...
1211         (unify_nodes): This.
1212         (process_unification_queue): Removed.
1213         (topo_visit): Cleanup
1214         (do_da_constraint): Use find.
1215         (do_sd_constraint): Ditto.
1216         (do_ds_constraint): Ditto.
1217         (do_complex_constraint): Ditto.
1218         (init_scc_info): Update for removed and added members.
1219         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
1220         (find_indirect_cycles): This.
1221         (equivalence_class): New variable.
1222         (label_visit): New function.
1223         (perform_variable_substitution): Rewritten.
1224         (free_var_substitution_info): New function.
1225         (find_equivalent_node): Ditto.
1226         (move_complex_constraints): Ditto.
1227         (eliminate_indirect_cycles): Ditto.
1228         (solve_graph): Only propagate changed bits.
1229         Use indirect cycle elimination.
1230         Use find.
1231         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
1232         (tree_id_eq): Renamed to ...
1233         (tree_vi_eq): This. Update for member change
1234         (insert_id_for_tree): Renamed and rewritten to ...
1235         (insert_vi_for_tree): This.
1236         (lookup_id_for_tree): Renamed and rewritten to ...
1237         (lookup_vi_for_tree): This.
1238         (get_id_for_tree): Renamed and rewritten to ...
1239         (get_vi_for_tree): Ditto.
1240         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
1241         (process_constraint): Don't handle INCLUDES.
1242         Remove special ADDRESSOF case.
1243         (find_func_aliases): Rewrite to use vi functions instead of id
1244         ones.
1245         (create_function_info_for): Ditto.
1246         (create_variable_info_for): Ditto.
1247         (intra_create_variable_infos): Ditto.
1248         (merge_smts_into): Ditto.
1249         (find_what_p_points_to): Ditto.
1250         (init_base_vars): Ditto.
1251         (init_alias_vars): Ditto.
1252         (remove_preds_and_fake_succs): New function.
1253         (dump_sa_points_to_info): Dump new stats.
1254         (dump_solution_for_var): Use find.
1255         (set_used_smts): Fix formatting.
1256         (compute_points_to_sets): Updated for new functions.
1257         (ipa_pta_execute): Ditto.
1258
1259 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1260             Richard Sandiford  <richard@codesourcery.com>
1261
1262         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
1263         parallels.
1264         * calls.c (expand_call): If the return value is a PARALLEL,
1265         extract its first member.
1266         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
1267         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1268         use FUNCTION_EXTRA_EPILOGUE.
1269         (m68k_function_value): Return a PARALLEL if the return value
1270         is of a pointer type.
1271         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
1272         (FUNCTION_EXTRA_EPILOGUE): Remove.
1273         * config/m68k/m68k.md (D0_REG): New constant.
1274
1275 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1276
1277         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1278         output a NOP for empty epilogues.
1279
1280 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1281
1282         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
1283         before function.  Extend register save check to include all
1284         registers, not just integer ones.
1285
1286 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1287
1288         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
1289         (m68k_use_return_insn): ...this.
1290         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
1291         * config/m68k/m68k.c (use_return_insn): Rename to...
1292         (m68k_use_return_insn): ...this.
1293         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
1294         of USE_RETURN_INSN.
1295
1296 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1297
1298         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
1299         nearest even, fix denormal rounding overflow.
1300
1301 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1302
1303         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1304         f%$smove and f%$move.
1305         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1306         (extendsfdf2_cf): Use fdmove instead of f%&move.
1307         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1308         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1309
1310 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1311
1312         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1313         GPR<-GPR moves.
1314
1315 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1316
1317         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1318         (coldfire_single_format): Declare.
1319         (coldfire_double_format): Likewise.
1320         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1321         of qnan_msb_set to determine the lower bits of a canonical
1322         NaN significand.
1323         (encode_ieee_double): Likewise.
1324         (encode_ieee_quad): Likewise.
1325         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1326         (mips_single_format): Likewise.
1327         (ieee_double_format): Likewise.
1328         (mips_double_format): Likewise.
1329         (ieee_extended_motorola_format): Likewise.
1330         (ieee_extended_intel_96_format): Likewise.
1331         (ieee_extended_intel_128_format): Likewise.
1332         (ieee_extended_intel_96_round_53_format): Likewise.
1333         (ibm_extended_format): Likewise.
1334         (mips_extended_format): Likewise.
1335         (ieee_quad_format): Likewise.
1336         (mips_quad_format): Likewise.
1337         (vax_f_format): Likewise.
1338         (vax_d_format): Likewise.
1339         (vax_g_format): Likewise.
1340         (i370_single_format): Likewise.
1341         (i370_double_format): Likewise.
1342         (decimal_single_format): Likewise.
1343         (decimal_double_format): Likewise.
1344         (decimal_quad_format): Likewise.
1345         (c4x_single_format): Likewise.
1346         (c4x_extended_format): Likewise.
1347         (real_internal_format): Likewise.
1348         (coldfire_single_format): New real_format.
1349         (coldfire_double_format): Likewise.
1350         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1351         canonical_nan_lsbs_set.
1352         (pdp11_d_format): Likewise.
1353         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1354         if TARGET_COLDFIRE_CPU.
1355
1356 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1357
1358         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1359         (output_call, m68k_legitimize_call_address): Declare.
1360         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1361         parenthesees.  Add support for a 'W' constraint.
1362         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1363         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1364         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1365         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1366         variables.
1367         (override_options): Initialize them.  Do not set flag_no_function_cse
1368         for TARGET_ID_SHARED_LIBRARY.
1369         (m68k_output_pic_call): Delete.
1370         (m68k_legitimize_call_address): New function.
1371         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1372         (output_call): New function.
1373         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1374         target address from the GOT if symbolic jumps are not allowed.
1375         * config/m68k/m68k.md (call, general_operand): Do not set
1376         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1377         Merge separate flag_pic and !flag_pic define_insns into...
1378         (*call, *call_value): ...these new patterns.  Match the address
1379         rather than the containing MEM and require it to be a call_operand.
1380         Use output_call to generate the asm template.
1381         * config/m68k/predicates.md (const_call_operand): New predicate.
1382         (call_operand): Likewise.
1383
1384 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1385
1386         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1387         (STACK_GROWS_DOWNWARD): Define to 1.
1388         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1389         comments, emphasizing that these values are only defaults.
1390         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1391         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1392
1393 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1394
1395         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1396
1397 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1398             Richard Sandiford  <richard@codesourcery.com>
1399
1400         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1401         (FP_REGNO_P): New macros.
1402         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1403         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1404         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1405         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1406
1407 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1408
1409         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1410         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1411         to $tmake_file.
1412         * config/m68k/t-floatlib: New file, extracting common code from...
1413         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1414         * config/m68k/t-uclinux: Here.
1415         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1416         routines on ColdFire targets.
1417
1418 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1419
1420         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1421         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1422         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1423         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1424         explicitly set MOTOROLA to 1.
1425         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1426
1427 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1428             Nathan Sidwell  <nathan@codesourcery.com>
1429
1430         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1431         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1432         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1433         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1434         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1435         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1436         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1437         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1438         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1439         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1440         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1441         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1442         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1443         (DBX_REGISTER_NUMBER): Delete.
1444         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1445         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1446         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1447
1448 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1449
1450         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1451         * config/flat.h: New file.
1452         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1453         OBJECT_FORMAT_FLAT.
1454         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1455         indirect references for -msep-data or -mid-shared-library.
1456         Do not use PC-relative code addresses either.
1457         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1458         to -mpcrel.
1459         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1460         for shared libraries and crt1.o for executables.  Use crti.o and
1461         crtbegin.o.
1462         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1463         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1464         Do not add -elf2flt or -shared-lib-id options here.
1465         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1466         Pass -shared-lib-id if -mid-shared-library, taking the library
1467         identifier from -mshared-library-id if given, otherwise
1468         defaulting to 0.
1469         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1470         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1471         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1472         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1473         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1474         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1475         and crtend.o.
1476         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1477         jump sequence for ISA A and ISA A+.
1478         (PICJUMP): Likewise.
1479
1480 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1481
1482         * config.gcc (m68k-*-uclinux*): Base the port on the common
1483         and m68k GNU/Linux files rather than on the generic ELF ones.
1484         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1485         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1486
1487 2007-01-18  Julian Brown  <julian@codesourcery.com>
1488             Richard Sandiford  <richard@codesourcery.com>
1489
1490         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1491         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1492         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1493         before redefining.
1494         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1495         80 unconditionally.
1496         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1497
1498 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1499
1500         * doc/install.texi: Document m68k-uclinuxoldabi.
1501         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1502         * config/m68k/uclinux-oldabi.h: New file, copied from
1503         config/m68k/uclinux.h.
1504
1505 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1506
1507         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1508         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1509         (m32r_compute_frame_size): Use unsigned for regno.
1510         (m32r_reload_lr): Use gen_frame_mem.
1511         (pop): New.
1512         (m32r_output_function_epilogue): Don't output the function epilogue
1513         textually here.
1514         (m32r_expand_epilogue): New.
1515         (direct_return): Return false if the function has the interrupt
1516         attribute.
1517         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1518         * config/m32r/m32r.md (epilogue): New expander.
1519         (return_lr, return_rte): New insns.
1520         (return): Make it expander.
1521         (return_normal): New expander.
1522
1523 2007-01-18  Josh Conner  <jconner@apple.com>
1524
1525         PR target/30485
1526         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1527         support for UNLE, UNLT, UNGE, and UNGT.
1528
1529 2007-01-18  Jan Hubicka  <jh@suse.cz>
1530
1531         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1532         * tree-tailcall (add_virtual_phis): Likewise.
1533         (optimize_tail_call): Return TODOs.
1534         (execute_tail_calls): Return TODOs.
1535         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1536         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1537         changed.
1538         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1539         Cleanup cfg using TODO.
1540         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1541         * passes.c (execute_function_todo): When cleanup did something, remove
1542         unused locals.
1543         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1544         (make_edges): Don't cleanup_cfg.
1545
1546 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1547
1548         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1549         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1550         operate on the top of stack.
1551         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1552         register handling of instructions that output to the second
1553         stack slot.
1554         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1555         (move_for_stack_reg): Special-case check for dead destination
1556         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1557
1558         * config/i386/i386.md (UNSPEC_TAN): New constant.
1559         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1560         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1561         to correctly model move of constant 1.0 to top stack slot.
1562         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1563         (unnamed peephole2 pattern): Remove corresponding peephole2
1564         pattern that optimizes tan insn and loading of constant 1.0.
1565         (tanxf2): Use fptanxf4_i387.
1566         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1567         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1568         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1569         disable patterns for SSE math.
1570         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1571         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1572
1573 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1574             Richard Guenther <rguenther@suse.de>
1575
1576         PR diagnostic/8268
1577         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1578         * common.opt (Warray-bounds): Add new warning option.
1579         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1580         if -Wall is given.
1581         * Makefile.in: make tree-vrp.o depend on toplev.h
1582         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1583         is enabled.
1584         (check_array_refs, check_array_bounds, check_array_ref): New.
1585
1586 2007-01-18  Jan Hubicka  <jh@suse.cz>
1587
1588         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1589         (execute_ssa_ccp): Return flags conditionally.
1590         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1591         changed.
1592         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1593
1594 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1595
1596         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1597         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1598
1599         * Makefile.c (GTFILES): Add cfglayout.h.
1600         * gengtype.c (open_base_files): Likewise.
1601         * cfglayout.c (cfg_layout_function_footer,
1602         cfg_layout_function_header) Reindent to make gengtype happy.
1603         * cfglayout.h (cfg_layout_function_footer,
1604         cfg_layout_function_header): Add GTY(()) marker.
1605
1606         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1607
1608 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1609
1610         * genautomata.c (write_automata): Include xstrerror output in the
1611         error message if writing the DFA description file fails.
1612
1613 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1614
1615         * config/mips/mips-protos.h (mips_output_external): Make it
1616         return void.
1617         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1618         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1619         (extern_list): Likewise.
1620         (extern_head): Likewise.
1621         (TARGET_ASM_FILE_END): Likewise.
1622         (mips_file_end): Likewise.
1623         (mips_output_external): Rewritten.
1624
1625 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1626
1627         * genpreds.c (write_insn_preds_c): Only write out the function
1628         body for regclass_for_constraint if we have register constraints.
1629
1630 2007-01-17  Tom Tromey  <tromey@redhat.com>
1631
1632         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1633         * doc/install.texi (Testing): Use sourceware.org.
1634         (Binaries): Likewise.
1635         (Specific): Likewise.
1636         * doc/contrib.texi (Contributors): Use sourceware.org.
1637
1638 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1639
1640         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1641         (AVR_ENHANCED): Rename to ...
1642         (AVR_HAVE_MUL): ... new.
1643         (avr_enhanced_p): Rename to ...
1644         (avr_have_mul_p): ... new.
1645         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
1646         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1647         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1648         (avr_have_mul_p): ... new.
1649         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1650         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1651         'avr_enhanced_p' and 'enhanced'.
1652         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
1653         AVR_HAVE_MUL instead of AVR_ENHANCED.
1654         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1655         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
1656         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
1657         instead of AVR_ENHANCED.
1658         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1659         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1660         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1661
1662 2007-01-17  Ian Lance Taylor  <iant@google.com>
1663
1664         * vec.h (VEC_reserve_exact): Define.
1665         (vec_gc_p_reserve_exact): Declare.
1666         (vec_gc_o_reserve_exact): Declare.
1667         (vec_heap_p_reserve_exact): Declare.
1668         (vec_heap_o_reserve_exact): Declare.
1669         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1670         versions.
1671         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1672         negative parameter.
1673         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1674         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1675         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1676         * vec.c (calculate_allocation): Add exact parameter.  Change all
1677         callers.
1678         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1679         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1680         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1681         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1682         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1683         (vec_heap_p_reserve_exact): New function.
1684         (vec_heap_o_reserve_exact): New function.
1685
1686 2007-01-17  Jan Hubicka  <jh@suse.cz>
1687
1688         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1689
1690 2007-01-17  Eric Christopher  <echristo@apple.com>
1691
1692         * config.gcc: Support core2 processor.
1693
1694 2007-01-16  Jan Hubicka  <jh@suse.cz>
1695
1696         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1697         the names, just unlink the chain so we don't crash on dangling pointers
1698         to dead SSA names.
1699
1700 2007-01-16  Jan Hubicka  <jh@suse.cz>
1701
1702         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1703         * tree-pass.h: Reorder to make IPA passes appear toegher.
1704         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1705         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1706         parameters, do not call early inliner.
1707         * ipa-inline.c: Update comments.  Include tree-flow.h
1708         (cgraph_decide_inlining): Do not compute inlining parameters.
1709         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1710         be called with function context set up.
1711         (pass_ipa_inline): Remove unreachable functions before pass.
1712         (cgraph_early_inlining): Simplify assuming to be called from the
1713         PM as local pass.
1714         (pass_early_inline): New pass.
1715         (cgraph_gate_ipa_early_inlining): New gate.
1716         (pass_ipa_early_inline): Turn into simple wrapper.
1717         (compute_inline_parameters): New function.
1718         (gate_inline_passes): New gate.
1719         (pass_inline_parameters): New pass.
1720         (apply_inline): Move here from tree-optimize.c
1721         (pass_apply_inline): New pass.
1722         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1723         transforming.
1724         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1725         doing them by hand.
1726         (tree_function_versioning): Do not allocate dummy struct function.
1727         * tree-inline.h (optimize_inline_calls): Update prototype.
1728         * tree-optimize.c (execute_fixup_cfg): Export.
1729         (pass_fixup_cfg): Remove
1730         (tree_rest_of_compilation): Do not apply inlines.
1731         * tree-flow.h (execute_fixup_cfg): Declare.
1732         * Makefile.in (gt-passes.c): New.
1733         * passes.c: Include gt-passes.h
1734         (init_optimization_passes): New passes.
1735         (nnodes, order): New static vars.
1736         (do_per_function_toporder): New function.
1737         (execute_one_pass): Dump current pass here.
1738         (execute_ipa_pass_list): Don't dump current pass here.
1739
1740 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1741
1742         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1743         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1744
1745 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1746
1747         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1748         (strong_alias): Define.
1749         (__gcc_qmul): Provide non-FMA for soft-float.
1750         (__gcc_qdiv): Same.
1751         (__gcc_qneg): New.
1752         (__gcc_qeq): New.
1753         (__gcc_qle): New.
1754         (__gcc_qge): New.
1755         (__gcc_qunord): New.
1756         (__gcc_stoq): New.
1757         (__gcc_dtoq): New.
1758         (__gcc_qtos): New.
1759         (__gcc_qtod): New.
1760         (__gcc_qtoi): New.
1761         (__gcc_qtou): New.
1762         (__gcc_itoq): New.
1763         (__gcc_utoq): New.
1764         (fmsub): New.
1765         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1766         soft-float functions.
1767         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1768         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1769         about long double soft float.
1770
1771 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1772             Tehila Meyzels  <tehila@il.ibm.com>
1773
1774         * tree-vectorizer.h (is_pattern_stmt_p): New.
1775         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1776         formatting (tabs instead of spaces). Cleanup and clarify setting
1777         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1778         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1779         (vectorizable_type_demotion): Check that types are integral.
1780         (vectorizable_type_promotion): Likewise.
1781         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1782         comments.
1783
1784 2007-01-16  Jan Hubicka  <jh@suse.cz>
1785
1786         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1787         cgraph edges too.
1788
1789 2007-01-15  Eric Christopher  <echristo@apple.com>
1790
1791         * ifcvt.c: Include vec.h, vecprim.h.
1792         (check_cond_move_block): New argument regs.
1793         Reorganize. Add registers used to regs.
1794         (cond_move_process_if_block): Use regs set above as
1795         loop bounds.
1796
1797 2007-01-15  Eric Christopher  <echristo@apple.com>
1798
1799         * config/darwin.h: Update copyright.
1800         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1801         (LINK_COMMAND_SPEC): Add -u.
1802         (LINK_SPEC): Fix umbrella for above.
1803
1804 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1805
1806         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1807         glibc CVS.
1808
1809 2007-01-15  Tom Tromey  <tromey@redhat.com>
1810
1811         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1812         * doc/install.texi (Testing): Don't mention jacks.
1813         (Configuration): Document --enable-java-maintainer-mode.  Move
1814         --with-java-home to libgcj-specific section.  Document
1815         --with-ecj-jar.
1816         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1817
1818 2007-01-15  Jan Hubicka  <jh@suse.cz>
1819
1820         * tree-ssa-dce.c (DCE_TODOs): New.
1821         (propagate_necessity): Return if something changed.
1822         (eliminate_unnecessary_stmts): Likewise.
1823         (perform_tree_ssa_dce): Return TODO flags when needed.
1824         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1825
1826 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1827
1828         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1829         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1830         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1831         patterns using X87MODEF12 mode macro.  Extend operand 1
1832         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1833         (log10<mode>2): Ditto.
1834         (log2<mode>2): Ditto.
1835         (log1p<mode>2): Ditto.
1836         (logb<mode>2): Ditto.
1837         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1838         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1839         (*fxtractxf3_i387): Rename from *fxtractxf3.
1840         (fxtract_extend<mode>xf3_i387): New insn pattern.
1841         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1842         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1843         and gen_fyl2xxf3_i387().
1844
1845 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1846
1847         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1848         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1849         get_loop_exit_edges.  Changed return type to bool.
1850         * cfgloop.h (fix_loop_placement): Declaration removed.
1851
1852 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1853
1854         * param.h (MIN_VECT_LOOP_BOUND): New.
1855         * params.def (MIN_VECT_LOOP_BOUND): New.
1856         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1857         argument - minimum threshold for number of iterations.
1858         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1859         argument to declaration.
1860         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1861         MIN_VECT_LOOP_BOUND.
1862         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1863         slpeel_tree_peel_loop_to_edge with additional argument.
1864         (vect_do_peeling_for_alignment): Likewise.
1865         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1866
1867 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1868
1869         PR target/30413
1870         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1871         operands of size 1.
1872
1873 2007-01-14  Jan Hubicka  <jh@suse.cz>
1874
1875         * tree-dfa.c (remove_referenced_var): New function.
1876         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1877         prune referenced vars list too.
1878         * tree-flow.h (remove_referenced_var): Declare.
1879
1880 2007-01-14  Jan Hubicka  <jh@suse.cz>
1881
1882         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1883         separately.
1884         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1885         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1886         * except.h (verify_eh_throw_table_statements): Kill prototype.
1887         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1888         into call exrepssions.
1889         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1890         eh trhow verifier.
1891         * tree-cfg.c: Include pointer-set.h.
1892         (verify_node_sharing): Work on pointer set.
1893         (verify_eh_throw_stmt_node): New.
1894         (verify_stmts): Use pointers sets, verify throw_stmt.
1895
1896 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1897
1898         * ipa-reference.c (analyze_function): Consider also addresses taken
1899         in phi nodes.
1900
1901 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1902
1903         * c-typeck.c (null_pointer_constant_p): Replace use of
1904         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1905         (build_c_cast): Likewise.
1906
1907 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1908
1909         * tree.h (force_fit_type_double): Remove unused final argument.
1910         * c-common.c (constant_expression_warning): Replace use of
1911         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1912         (convert_and_check): Likewise.
1913         (shorten_compare): Update call to force_fit_type_double.
1914         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1915         * convert.c (convert_to_pointer): Update call to
1916         force_fit_type_double.
1917         * fold-const.c (force_fit_type_double): Remove overflowed_const
1918         argument.
1919         (int_const_binop, fold_convert_const_int_from_int,
1920         fold_convert_const_int_from_real, fold_div_compare,
1921         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1922         fold_abs_const, fold_not_const): Remove the final argument from
1923         calls to force_fit_type_double.
1924
1925 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1926
1927         * configure.ac: Set insn to "nop" for spu-*-* also.
1928         * configure: Regenerate.
1929
1930 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1931
1932         * builtins.def : Add BUILT_IN_FREE.
1933
1934 2007-01-12  Jan Hubicka  <jh@suse.cz>
1935
1936         PR tree-optimization/30443
1937         * tree-inline.c (tree_function_versioning): Do not optimize when
1938         cloning for inlining.
1939
1940 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1941
1942         * doc/loop.texi: Document recording of loop exits.
1943         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1944         (update_single_exits_after_duplication,
1945         update_single_exit_for_duplicated_loop,
1946         update_single_exit_for_duplicated_loops): Removed.
1947         (duplicate_loop_to_header_edge): Do not call
1948         update_single_exits_after_duplication and
1949         update_single_exit_for_duplicated_loops.
1950         (loop_version): Do not update single_exit information.
1951         (fix_loop_structure): Use record_loop_exits instead of
1952         mark_single_exit_loops.
1953         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1954         the lists of loop exits.
1955         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1956         split_edge, merge_blocks): Update the lists of loop exits.
1957         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1958         loop_optimizer_init.
1959         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1960         of mark_single_exit_loops.
1961         (loop_optimizer_finalize): Call release_recorded_exits.
1962         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1963         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1964         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1965         update single exit information.
1966         * lambda-code.c (perfect_nestify): Ditto.
1967         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1968         (mark_single_exit_loops): Removed.
1969         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1970         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1971         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1972         functions.
1973         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1974         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1975         (verify_loop_structure): Verify consistency of the exit lists.
1976         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1977         (set_single_exit): Removed.
1978         * cfgloop.h (struct loop_exit): New function.
1979         (struct loop): single_exit_ field replaced by exits field.
1980         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1981         (struct loops): Added exits hash.
1982         (mark_single_exit_loops, set_single_exit): Declaration removed.
1983         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1984
1985 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1986
1987         * doc/invoke.texi: Avoid use of @headitem.
1988
1989 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1990
1991         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1992
1993 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1994
1995         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1996         list of targets.
1997
1998 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1999             Richard Sandiford  <richard@codesourcery.com>
2000
2001         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
2002         * config/m68k/m68k.opt: Resort options.
2003         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
2004
2005 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2006             Richard Sandiford  <richard@codesourcery.com>
2007
2008         * doc/invoke.texi: Document the macros that are defined by
2009         m68k's -mtune and -mhard-float options.
2010         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
2011         (m68k_cpp_cpu_family): Likewise.
2012         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
2013         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
2014         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
2015         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
2016         (m68k_cpp_cpu_family): Likewise.
2017
2018 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2019
2020         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
2021         macros besides mc68000 as tuning macros.  Use a switch statement
2022         to set them and mcpu32.
2023
2024 2007-01-12  Julian Brown  <julian@codesourcery.com>
2025
2026         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
2027         (TARGET_68040_ONLY): Rename to...
2028         (TARGET_68040): ...this.
2029         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
2030         * config/m68k/m68k.md: Likewise.
2031
2032 2007-01-12  Julian Brown  <julian@codesourcery.com>
2033             Nathan Sidwell  <nathan@codesourcery.com>
2034             Richard Sandiford  <richard@codesourcery.com>
2035
2036         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
2037         the -mcpu= argument associated with the --with-cpu setting.
2038         Define M68K_DEFAULT_TUNE to the default -mtune= option,
2039         if different from the one implied by the -mcpu setting.
2040         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
2041         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
2042         * doc/invoke.texi: Mention ColdFire in the introduction to the
2043         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
2044         -mno-div and -mhard-float options.  Make -m68881 a synonym for
2045         -mhard-float.  Document the previously-undocumented -m5206e,
2046         -m528x, -m5307 and -m5407 options.  Tweak the existing option
2047         documentation for consistency.
2048         * doc/install.texi: Mention new --with-cpu arguments.
2049         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
2050         default CPU if neither -mcpu nor -march are specified.
2051         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
2052         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
2053         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
2054         using m68k_tune to decide between families that implement the
2055         same ISA.  Use m68k_tune to set __mcfv4e__.
2056         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
2057         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
2058         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
2059         (FL_ISA_C, FL_ISA_MMU): New macros.
2060         (MASK_COLDFIRE): Delete.
2061         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
2062         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
2063         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
2064         (TARGET_HARD_FLOAT): Do not define here.
2065         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
2066         (TUNE_68000): New macro.
2067         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
2068         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
2069         (TUNE_CFV2): Redefine in terms of m68k_tune.
2070         (uarch_type, target_device, fpu_type): New enums.
2071         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
2072         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
2073         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
2074         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
2075         (FL_FOR_isa_c): New macros.
2076         (m68k_isa): New enum.
2077         (m68k_target_selection): New structure.
2078         (all_devices, all_isas, all_microarchs): New tables.
2079         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
2080         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
2081         (MASK_ALL_CPU_BITS): Delete.
2082         (m68k_find_selection): New function.
2083         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
2084         Map the legacy target options to a combination of the new ones.
2085         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
2086         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
2087         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
2088         settings.
2089         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
2090         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
2091         properties.
2092         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
2093         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
2094         * config/m68k/m68k-devices.def: New file.
2095
2096 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2097             Nathan Sidwell  <nathan@codesourcery.com>
2098
2099         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
2100         (SUBTARGET_EXTRA_SPECS): New macros.
2101         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
2102         use %(asm_cpu_spec) instead.
2103         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
2104         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
2105         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
2106         (EXTRA_SPECS): Rename to...
2107         (SUBTARGET_EXTRA_SPECS): ...this.
2108
2109 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2110             Richard Sandiford  <richard@codesourcery.com>
2111             Julian Brown  <julian@codesourcery.com>
2112
2113         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2114         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
2115         to the configuration's default CPU.
2116         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
2117         Remove default masks.
2118         (m680[012]0-*-*): Set the default with_cpu to the first part of
2119         the target name.
2120         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
2121         (m68k*-*-linux): Extend the --with-cpu handling to...
2122         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
2123         and m68010.  Don't set target_cpu_default2.
2124         * doc/install.texi: Document --with-cpu for m68k.
2125         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
2126         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
2127         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
2128         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
2129         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
2130         (ASM_SPEC): Remove use of %(asm_cpu_default).
2131         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
2132         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
2133         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
2134         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
2135         __HAVE_FPU__ if TARGET_HARD_FLOAT.
2136         (TARGET_DEFAULT): Delete.
2137         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
2138         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
2139         (CPP_CPU_SPEC): Delete.
2140         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
2141         the appropriate string.
2142         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
2143         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
2144         (ASM_SPEC): Don't use %(asm_default_spec).
2145         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2146         TARGET_DEFAULT and add MASK_68881.
2147         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
2148
2149 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2150
2151         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
2152         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
2153         MASK_68010 alongside MASK_68020.
2154         * doc/invoke.texi: Document -m68010.
2155         * config/m68k/m68k.opt (m68010): New.
2156         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
2157         if TUNE_68010.
2158         (TUNE_68010): New macro.
2159         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
2160         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
2161         (M68K_CPU_m68332): Add MASK_68010.
2162         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
2163         fallback definition.
2164         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
2165         defines.
2166         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
2167         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
2168         to all entries that use MASK_68020.
2169         (output_move_simode_const, output_move_himode, output_move_qimode)
2170         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
2171         instead of TARGET_68020 to select clr behavior.  Remove comment
2172         about there being no TARGET_68010.
2173         * config/m68k/m68k.md: Likewise throughout.
2174
2175 2007-01-12  Julian Brown  <julian@codesourcery.com>
2176
2177         * config/m68k/m68k.h (TARGET_ISAB): New macro.
2178         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
2179         * config/m68k/m68k.md: Likewise.
2180
2181 2007-01-12  Julian Brown  <julian@codesourcery.com>
2182
2183         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
2184         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
2185
2186 2007-01-12  Julian Brown  <julian@codesourcery.com>
2187
2188         * config/m68k/m68k.h (TUNE_68040_60): New macro.
2189         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
2190         * config/m68k/m68k.md: Likewise.
2191
2192 2007-01-12  Julian Brown  <julian@codesourcery.com>
2193             Richard Sandiford  <richard@codesourcery.com>
2194
2195         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
2196         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
2197         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
2198         TARGET_CPU32.
2199         (TARGET_CPU32): Rename to...
2200         (TUNE_CPU32): ...this.
2201         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
2202         (TUNE_CFV2): New macros.
2203         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
2204         remove conditions that are implied by TARGET_68020.
2205         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
2206         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
2207         (m68k_output_function_epilogue): Likewise.
2208         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
2209         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
2210         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
2211         non-68000 timings.  Refactor multiplication and division costs.
2212         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
2213         TUNE_CPU32 instead of TARGET_CPU32.
2214         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
2215         and TUNE_68060 instead of TARGET_68060.
2216         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
2217         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
2218         TARGET_CPU32.
2219         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
2220         && !TARGET_COLDFIRE" to choose between moveq and clr.
2221         Likewise in the unnamed movsf pattern.
2222         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
2223         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
2224         ashiftrt pattern.
2225
2226 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2227
2228         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
2229         of tabbing before backslashes.
2230
2231 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2232
2233         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
2234         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
2235         (ASM_OUTPUT_INTERNAL_LABEL): Define.
2236
2237 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2238
2239         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
2240         find_interesting_uses_cond.
2241         (find_interesting_uses_cond): Use extract_cond_operands.
2242         (rewrite_use_compare): Use extract_cond_operands and
2243         force_gimple_operand_bsi.  Do not call update_stmt.
2244         (determine_use_iv_cost_condition): Use extract_cond_operands.
2245         Return cheaper of using original bound and changing the exit bound.
2246
2247 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2248
2249         PR tree-optimization/29516
2250         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
2251         most_expensive_mult_to_index, addr_to_parts,
2252         create_mem_ref, maybe_fold_tmr): Make the type of
2253         fields of TARGET_MEM_REF sizetype.
2254         (move_fixed_address_to_symbol, move_pointer_to_base):
2255         New functions.
2256         * tree.def (TARGET_MEM_REF): Add comment on types of
2257         the operands.
2258
2259 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
2260
2261         * c-common.c (vector_types_convertible_p): Treat opaque types as
2262         always convertible if they have the same size, but not otherwise.
2263
2264 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
2265
2266         * ifcvt.c (struct noce_if_info): Add comments to the fields.
2267         Remove the b_unconditional field.
2268         (noce_try_sign_mask): Do not look at b_unconditional.
2269         (noce_process_if_block): Do not use merge_if_blocks.  Update
2270         the CFG here.  Do not set b_unconditional.
2271         (cond_move_process_if_block): Likewise.
2272         (find_cond_trap): Likewise.
2273         (check_cond_move_block): Require simple jump insns at the end
2274         of the basic block.
2275
2276 2007-01-11  Jan Hubicka  <jh@suse.cz>
2277
2278         PR tree-optimization/1046
2279         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
2280         when alias info is not ready.
2281         (pass_tail_recursion): Do not require aliasing.
2282         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
2283         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
2284         * tree-ssa-copy.c (pass_copy_prop): Likewise.
2285         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
2286         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
2287         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
2288         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
2289         before inlining.
2290         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
2291         When aliasing is not build, mark statement as volatile.
2292
2293 2007-01-11  Tom Tromey  <tromey@redhat.com>
2294
2295         PR preprocessor/15185, PR preprocessor/20989:
2296         * doc/cppopts.texi <-MT>: Update description of algorithm for
2297         computing default target.
2298         <-M, -MD>: Reword "basename" text.
2299
2300 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2301
2302         * builtins.c (expand_builtin_pow, expand_builtin_powi,
2303         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2304         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2305         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2306         fold_builtin_bswap, real_constp, fold_builtin_pow,
2307         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2308         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2309         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2310         * convert.c (convert_to_pointer): Likewise.
2311         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2312         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2313         const_binop, fold_convert_const_int_from_int,
2314         fold_convert_const_int_from_real,
2315         fold_convert_const_real_from_real, sign_bit_p,
2316         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2317         fold_sign_changed_comparison, fold_unary, fold_comparison,
2318         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2319         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2320         * print-tree.c (print_node_brief, print_node): Likewise.
2321         * stor-layout.c (place_field, layout_type): Likewise.
2322         * tree-chrec.c (keep_cast): Likewise.
2323         * tree.c (build_vector, build_real, build_real_from_int_cst,
2324         build_complex): Likewise.
2325
2326 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2327
2328         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2329         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2330
2331 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2332
2333         * configure.ac (strict1_warn): Rename to strict_warn.
2334         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2335         cc_set_by_configure, quoted_cc_set_by_configure,
2336         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2337         all_boot_languages, all_stagestuff): Remove.
2338         (target_list): Remove bootstrap targets.
2339         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2340         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2341         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2342         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2343         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2344         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2345         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2346         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2347         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2348         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2349         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2350         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2351         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2352         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2353         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2354         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2355         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2356         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2357         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2358         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2359         (mostlyclean): Adjust.
2360         (clean, distclean): Don't mention bootstrap stuff.
2361         * configure: Regenerate.
2362         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2363         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2364         treelang/config-lang.in (stagestuff): Remove.
2365         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2366         stageprofile, stagefeedback, stagestuff): Remove mention.
2367
2368 2007-01-11  Nick Clifton  <nickc@redhat.com>
2369
2370         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2371         Accept CONSTs.
2372         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2373         (mcore_arith_K_S_operand): Run the test for the S constraint not
2374         the test for the M constraint.
2375         (mcore_addsub_operand): Do not accept integer values that are
2376         larger than 32 bits.
2377         * config/mcore/mcore.md: Remove unused constraints from split.
2378         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2379         (addsi3): Likewise.
2380         (allocate_stack): Likewise.
2381         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2382         operands to 32 bits.
2383         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2384         INTVAL.
2385         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2386         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2387         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2388         mcore_output_bclri, mcore_output_andn, output_inline_const,
2389         mcore_output_move, mcore_output_movedouble): Likewise.
2390         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2391         (output_inline_const): Likewise.
2392         (output_inline_const): Fix format strings used in sprintf
2393         statements.
2394         * config/mcore/mcore-protos.h: Update prototypes for changed
2395         functions in mcore.c.
2396         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2397         HOST_WIDE_INT and not int.
2398         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2399         CONST_OK_FOR_N): Likewise.
2400         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2401         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2402         an INTVAL.
2403
2404 2007-01-10  Jan Hubicka  <jh@suse.cz>
2405
2406         * tree-vrp.c (remove_range_assertions): Release defs.
2407         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2408         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2409
2410 2007-01-10  Paul Brook  <paul@codesourcery.com>
2411
2412         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2413         * config/arm/arm.md (mulsi3subsi): New insn.
2414
2415 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2416
2417         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2418         (tree_transform_and_unroll_loop): New.
2419         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2420         Declare.
2421
2422 2007-01-10  Robert Kennedy <jimbob@google.com>
2423
2424         * fold-const.c (fold_comparison): Fold comparisons like (x *
2425         1000 < 0) to (x < 0).
2426
2427 2007-01-10  Ian Lance Taylor  <iant@google.com>
2428
2429         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2430         operands have the same priority.
2431
2432 2007-01-10  Tom Tromey  <tromey@redhat.com>
2433
2434         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2435         (fold_binary): Likewise.
2436         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2437         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2438         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2439         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2440         * langhooks.h (struct lang_hooks): Removed field
2441         'can_use_bit_fields_p'.
2442
2443 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2444
2445         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2446
2447 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2448
2449         * function.c (get_last_funcdef_no): New function.
2450         * function.h (get_last_funcdef_no): Declare.
2451         * tree-inline.c (initialize_cfun): Add initialization.
2452         (tree_function_versioning): Cleanup.
2453
2454 2007-01-10  Jan Hubicka  <jh@suse.cz>
2455
2456         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2457         PHIs.
2458
2459 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2460             Ben Elliston  <bje@au.ibm.com>
2461
2462         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2463         for SAVE_NONLOCAL and Pmode for any other save level.
2464         * spu-protos.h (spu_restore_stack_block): Declare.
2465         * spu.md (save_stack_block): Remove.
2466         (restore_stack_block): Call spu_restore_stack_block.
2467         * spu.c (spu_restore_stack_block): New function.
2468         (spu_expand_epilogue): Remove old comment.
2469
2470 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2471
2472         PR tree-optimization/30322
2473         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2474         (cand_value_at): Return the value as aff_tree.
2475         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2476         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2477         aff_combination_mult): New functions.
2478         (aff_combination_add): Use aff_combination_add_cst.
2479         (aff_combination_convert): Allow conversions to a wider type.
2480         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2481         * tree-affine.h (aff_combination_mult): Declare.
2482
2483 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2484
2485         * doc/tm.texi: Update documentation to reflect reality of exec
2486         and start file search behaviours. Update copyright year.
2487         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2488         header file directories.
2489
2490 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2491
2492         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2493         (*cosxf2): Rename to cosxf2_i387.
2494         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2495         using X87MODEF12 mode macro. Rename patterns to
2496         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2497         for SSE math.
2498         (*cosdf2, *cossf2): Ditto.
2499         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2500         to match extended input operands.
2501         (sincos<mode>3): New expander.
2502         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2503         insn patterns and corresponding splitters.
2504
2505 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2506
2507         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2508         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2509
2510 2007-01-09  Nicolas Pitre  <nico@cam.org>
2511
2512         PR target/30173
2513         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2514
2515 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2516
2517         * target.h (struct gcc_target): New field library_rtti_comdat.
2518         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2519         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2520         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2521         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2522
2523 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2524
2525         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2526
2527 2007-01-08  Richard Guenther  <rguenther@suse.de>
2528
2529         * tree.h (force_fit_type_double): Export.
2530         (force_fit_type): Remove.
2531         * fold-const.c (force_fit_type_double): New function.
2532         (force_fit_type): Remove.
2533         (int_const_binop): Use it.
2534         (fold_convert_const_int_from_int): Likewise.
2535         (fold_convert_const_int_from_real): Likewise.
2536         (fold_div_compare): Likewise.
2537         (fold_sign_changed_comparison): Likewise.
2538         (fold_unary): Likewise.
2539         (fold_negate_const): Likewise.
2540         (fold_abs_const): Likewise.
2541         (fold_not_const): Likewise.
2542         * c-common.c (shorten_compare): Use force_fit_type_double.
2543         * convert.c (convert_to_pointer): Likewise.
2544
2545 2007-01-08  Richard Guenther  <rguenther@suse.de>
2546
2547         * tree.h (build_int_cst_wide_type): Export.
2548         * tree.c (build_int_cst_wide_type): New function.
2549         (build_int_cst_wide): Fix comment.
2550         * builtins.c (fold_builtin_object_size): Use build_int_cst
2551         to build -1 or 0 of the correct type.  Use fit_double_type
2552         to check for overflow.
2553         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2554         to build the mask.
2555         (decode_field_reference): Likewise.
2556         (all_ones_mask_p): Likewise.
2557         (native_interpret_int): Use build_int_cst_wide_type.
2558         (fold_binary): Use build_int_cst_type to build an all-ones
2559         value.
2560         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2561
2562 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2563
2564         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2565
2566 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2567
2568         * genautomata.c (STATS_OPTION): New option.
2569         (stats_flag): New flag.
2570         (gen_automata_option): Handle it.
2571         (initiate_automaton_gen): Ditto.
2572         (write_automata): Output statistics only if stats_flag is
2573         set. Likewise, output time statistics only if time_flag is set.
2574         * doc/md.texi (Processor pipeline description): Document new flag.
2575
2576 2007-01-08  Richard Guenther  <rguenther@suse.de>
2577
2578         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2579         * tree.c (build_int_cst_type): Likewise.
2580         (size_in_bytes): Don't call force_fit_type on the result.
2581         (int_fits_type_p): Use fit_double_type.
2582         * fold-const.c (fit_double_type): New function.
2583         (force_fit_type): Use it.
2584         * tree.h (fit_double_type): Export.
2585
2586 2007-01-08  Jan Hubicka  <jh@suse.cz>
2587
2588         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2589         * ipa.c (function_and_variable_visibility): Fix return type.
2590
2591 2007-01-08  Richard Guenther  <rguenther@suse.de>
2592
2593         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2594         of offset to build the index.
2595         * tree-pretty-print.c (dump_generic_node): Don't build negated
2596         const just for printing.
2597         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2598         * builtins.c (fold_builtin_int_roundingfn): Check if result
2599         fits the type by using force_fit_type and comparing the result.
2600         * predict.c (predict_loops): Use compare_tree_int for comparison.
2601         * tree.c (build_int_cst): Fall back to integer_type_node for
2602         NULL_TREE type.
2603         (build_int_cst_wide): Assert type is non-null.
2604
2605 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2606
2607         * tree-vrp.c (extract_range_from_cond_expr): New.
2608         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2609         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2610         as expressions.
2611         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2612         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2613         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2614         used as expressions.
2615         * tree-object-size.c (cond_expr_object_size): New.
2616         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2617
2618 2007-01-08  Jan Hubicka  <jh@suse.cz>
2619
2620         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2621         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2622         statement.
2623
2624 2007-01-08  Richard Guenther  <rguenther@suse.de>
2625
2626         PR tree-optimization/23603
2627         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2628         (extract_range_from_binary): Fall back to truthvalue instead of
2629         varying for TRUTH_*_EXPR.
2630         (extract_range_from_comparison): Fall back to truthvalue instead of
2631         varying.
2632         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2633         if all visited PHI values were constant.
2634
2635 2007-01-08  Jan Hubicka  <jh@suse.cz>
2636
2637         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2638         (cgraph_analyze_function): break out from ...
2639         (cgraph_finalize_compilation_unit): ... here.
2640         (cgraph_expand_function): Remove forgoten commented out line.
2641         (cgraph_optimize): Analyze functions.
2642
2643 2007-01-08  Jan Hubicka  <jh@suse.cz>
2644
2645         * tree-pas.h (TODO_remove_function): New flag.
2646         (TODO_update*): Renumber.
2647         (pass_ipa_increase_alignment,
2648         pass_ipa_function_and_variable_visibility): New passes.
2649         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2650         (cgraph_function_and_variable_visibility): Move to ipa.c
2651         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2652         cgraph_increase_alignment.
2653         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2654         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2655         calling tree-inline.
2656         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2657         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2658         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2659         (gate_increase_alignment): New function.
2660         (pass_ipa_increase_alignment): New pass.
2661         * ipa.c: Inline tree-pass.h and timevar.h
2662         (function_and_variable_visibility): Move here from cgraphunit.c
2663         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2664         * passes.c (init_optimization_passes): Add the two new passes.
2665         (execute_todo): Handle cgraph_remove_functions.
2666
2667 2007-01-08  Nick Clifton  <nickc@redhat.com>
2668
2669         * config/frv/predicates.md (reg_or_0_operand): Accept
2670         CONST_DOUBLEs.
2671
2672 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2673
2674         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2675         * config.gcc: Add bfin*-rtems*.
2676
2677 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2678
2679         * c.opt: Add -flax-vector-conversions.
2680         * c-typeck.c (convert_for_assignment): Pass flag to
2681         vector_types_convertible_p to allow emission of note.
2682         (digest_init): Likewise.
2683         * c-opts.c: Handle -flax-vector-conversions.
2684         * c-common.c (flag_lax_vector_conversions): New.
2685         (vector_types_convertible_p): Unless -flax-vector conversions
2686         has been passed, disallow conversions between vectors with
2687         differing numbers of subparts and/or element types.  If such
2688         a conversion is disallowed, possibly emit a note on the first
2689         occasion only to inform the user of -flax-vector-conversions.
2690         The new last argument specifies this.
2691         * c-common.h (flag_lax_vector_conversions): New.
2692         (vector_types_convertible_p): Add extra argument.
2693         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2694         char_type_node for V*QI type vectors.
2695         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2696         Update to satisfy new typechecking rules.
2697         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2698         C and C++ variants.
2699         * doc/invoke.texi (C Dialect Options): Document
2700         -flax-vector-conversions.
2701
2702 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2703
2704         PR tree-optimization/29877
2705         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2706         a register variable on the RHS to not be replaceable.
2707
2708 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2709         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2710         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2711         const_simm15, const_pow2, const_npow2): Added.
2712         * config/score/misc.md (insv, extv, extzv, movmemsi,
2713         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2714         * config/score/score.c (score_address_cost, score_select_cc_mode):
2715         Added.
2716         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2717         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2718         Update score_print_operand.
2719         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2720         Adjust register allocate order and update some macro define.
2721         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2722         mdx_block_move_straight, mdx_block_move_loop_head,
2723         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2724         mdx_block_move): Added.
2725         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2726         mdp_limm): Updated and fix some bug and typo.
2727         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2728         (movsf, movdf, doloop_end): Added.
2729
2730 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2731
2732         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2733         config/arm/thumb2.md: Fix comment typos.
2734         * doc/extend.texi: Fix a typo.
2735
2736 2007-01-07  Eric Christopher  <echristo@apple.com>
2737
2738         * configure.ac: Check for __stack_chk_fail for darwin.
2739         * configure: Regenerate.
2740
2741 2007-01-07  Richard Guenther  <rguenther@suse.de>
2742
2743         * tree-vrp.c (extract_range_from_assert): CSE calls to
2744         compare_values where possible.
2745         (extract_range_from_unary_expr): Likewise.
2746
2747 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2748
2749         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2750         * config/avr/avr.c (call_insn_operand): Delete function.
2751         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2752         instead of register number. Use predicates.
2753         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2754         call_insn_operand): Add.
2755
2756 2007-01-06  Jan Hubicka  <jh@suse.cz>
2757
2758         * tree-pass.h (pass_build_cgraph_edges): Declare.
2759         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2760         (visited_nodes): Remove.
2761         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2762         build_cgrpah_edges; make visited_nodes local.
2763         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2764         (record_references_in_initializer): Move to cgraphbuild.c
2765         (initialize_inline_failed, rebuild_cgraph_edges,
2766         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2767         (verify_cgraph_node): Make visited_nodes local.
2768         (cgraph_analyze_function): Do not call cgraph_create_edges and
2769         initialize_inline_failed.
2770         (cgraph_expand_function): Do not call cgraph_lower_function;
2771         assert that function is already lowered.
2772         * Makefile.in (cgraphbuild.o): New.
2773         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2774         at the end of lowering passes.
2775
2776 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2777
2778         * ifcvt.c (cond_move_convert_if_block): New function, code
2779         factored out from...
2780         (cond_move_process_if_block): ...here.  Call the new function
2781         on the THEN and ELSE blocks.
2782         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2783         already takes care of this.
2784
2785 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2786
2787         PR c/19978
2788         * tree.h (TREE_OVERFLOW_P): New.
2789         * c-typeck.c (parser_build_unary_op): Warn only if result
2790         overflowed and operands did not.
2791         (parser_build_binary_op): Likewise.
2792         (convert_for_assignment): Remove redundant overflow_warning.
2793         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2794
2795 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2796
2797         * c-typeck.c (store_init_value): Split over two lines to follow
2798         the GNU coding style.
2799
2800 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2801
2802         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2803         __GXX_EXPERIMENTAL_CXX0X__.
2804         * doc/cpp.texi: Same.
2805
2806 2007-01-05  Richard Guenther  <rguenther@suse.de>
2807
2808         PR middle-end/27826
2809         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2810         with mismatched types.  Instead explicitly build a
2811         conversion NOP_EXPR.
2812
2813 2007-01-05  Ian Lance Taylor  <iant@google.com>
2814
2815         * c-common.c (decl_with_nonnull_addr_p): New function.
2816         (c_common_truthvalue_conversion): Call it.
2817         * c-typeck.c (build_binary_op): Likewise.
2818         * c-common.h (decl_with_nonnull_addr_p): Declare.
2819
2820 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR c/30360
2823         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2824         denom against 0.0.
2825
2826 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2827
2828         * doc/install.texi (Final install): Document the fact that
2829         the GNAT runtime should not be stripped.
2830
2831 2007-01-04  Jan Hubicka  <jh@suse.cz>
2832
2833         * tree-inline.c (fold_marked_statements): Update operand caches
2834         and EH after folding
2835
2836 2007-01-04  Ian Lance Taylor  <iant@google.com>
2837
2838         * c-common.c (check_function_nonnull): Whitespace fix.
2839
2840 2007-01-04  Jan Hubicka  <jh@suse.cz>
2841
2842         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2843         comitted older version of patch.
2844         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2845         function, celanup cfg and collect garbage.
2846
2847 2007-01-04  Mike Stump  <mrs@apple.com>
2848
2849         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2850         (clean): Likewise.
2851
2852 2007-01-04  Eric Christopher  <echristo@apple.com>
2853
2854         * libgcc2.c (__bswapsi2): Use SItype.
2855         (__bswapdi2): Use DItype.
2856         * libgcc2.h: Update for above.
2857
2858 2007-01-04  Paul Brook  <paul@codesourcery.com>
2859
2860         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2861         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2862         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2863         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2864         umulsi3_highpart): Make conditional on !arm_arch6.
2865         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2866         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2867         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2868         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2869         umulsi3_highpart_v6): New insns.
2870
2871 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2872
2873         * fold-const.c (fold_convert): When casting an expression to void,
2874         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2875         have a type.  Instead of attempting to build a NOP_EXPR, return
2876         these "special" trees directly.
2877
2878 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2879
2880         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2881         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2882         rs6000_cost->fp not 0 as adjustment for outer NEG.
2883
2884 2007-01-04  Jan Hubicka  <jh@suse.cz>
2885
2886         * cgraph.c (cgraph_release_function_body): New function.
2887         (cgraph_remove_node): Use it.
2888         * cgraph.h (cgraph_release_function_body): Declare.
2889         * cgraphunit.c (cgraph_expand_function): Use it.
2890         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2891         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2892         is initialized and while compilation of other function is running.
2893         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2894         statement CFG annotations from here to ...
2895         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2896
2897 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2898
2899         * cfgloop.h (enum li_flags): Make the constants powers of two.
2900
2901 2007-01-04  Jan Hubicka  <jh@suse.cz>
2902
2903         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2904         set.
2905         (fold_marked_statements): New function.
2906         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2907         * tree-inline.h (copy_body_data): Add statements_to_fold.
2908
2909 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2910
2911         * config.gcc: Mention libgcc/config.host.
2912         * Makefile.in: Update comments mentioning libgcc.
2913         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2914         (all.cross, start.encap, rest.encap, rest.cross): Update
2915         dependencies for libgcc move.
2916         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2917         (clean-target, clean-target-libgcc): Delete.
2918         (srcdirify, GCC_EXTRA_PARTS): New macros.
2919         (libgcc-support, libgcc.mvars): New rules.
2920         (distclean): Remove mention of mklibgcc.
2921         (install): Don't reference INSTALL_LIBGCC.
2922         (install-common): Don't reference EXTRA_PARTS.
2923         (install-libgcc, install-multilib): Delete rules.
2924         * mklibgcc.in: Delete file.
2925         * doc/configfiles.texi: Don't mention mklibgcc.
2926
2927         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2928         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2929         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2930         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2931         (mklibgcc, ldblspecs): Likewise.
2932
2933         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2934         (posixpre.def): Use $(T).
2935         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2936         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2937         (SHLIB_LINK): Make dummy.
2938         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2939
2940         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2941
2942         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2943         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2944         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2945         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2946
2947         * configure.ac (all_outputs): Remove mklibgcc.
2948         * configure: Regenerated.
2949
2950 2007-01-03  Josh Conner  <jconner@apple.com>
2951
2952         PR middle-end/29683
2953         * calls.c (compute_argument_addresses): Set stack and stack_slot
2954         for partial args, too.
2955         (store_one_arg): Use locate.size.constant for the size when
2956         generating a save_area.
2957
2958 2007-01-03  Robert Kennedy <jimbob@google.com>
2959
2960         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2961         whose definitions are deleted due to basic block merging.
2962
2963 2007-01-03  Paul Brook  <paul@codesourcery.com>
2964
2965         PR target/16634
2966         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2967         functions.
2968         (use_return_insn): Return 0 for Thumb interrupt functions.
2969         (print_multi_reg): Add rfe argument for IRQ returns.
2970         (arm_output_epilogue): Pop interrupt return address directly into PC.
2971         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2972
2973 2007-01-03  Paul Brook  <paul@codesourcery.com>
2974
2975         Merge from sourcerygxx-4_1.
2976         * config/arm/thumb2.md: New file.
2977         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2978         Thumb-2.
2979         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2980         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2981         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2982         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2983         tables.
2984         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2985         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2986         comptibility.
2987         * config/arm/ieee754-sf.S: Ditto.
2988         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2989         (thumb1_base_register_rtx_p): ... to this.
2990         (thumb_index_register_rtx_p): Rename...
2991         (thumb1_index_register_rtx_p): ... to this.
2992         (thumb_output_function_prologue): Rename...
2993         (thumb1_output_function_prologue): ... to this.
2994         (thumb_legitimate_address_p): Rename...
2995         (thumb1_legitimate_address_p): ... to this.
2996         (thumb_rtx_costs): Rename...
2997         (thumb1_rtx_costs): ... to this.
2998         (thumb_compute_save_reg_mask): Rename...
2999         (thumb1_compute_save_reg_mask): ... to this.
3000         (thumb_final_prescan_insn): Rename...
3001         (thumb1_final_prescan_insn): ... to this.
3002         (thumb_expand_epilogue): Rename...
3003         (thumb1_expand_epilogue): ... to this.
3004         (arm_unwind_emit_stm): Rename...
3005         (arm_unwind_emit_sequence): ... to this.
3006         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
3007         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
3008         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
3009         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
3010         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
3011         thumb2_output_casesi): New functions.
3012         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
3013         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
3014         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
3015         THUMB2_WORK_REGS): Define.
3016         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
3017         arm_condexec_mask, arm_condexec_masklen)): New variables.
3018         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
3019         (arm_override_options): Check new CPU capabilities.
3020         Set new architecture flag variables.
3021         (arm_isr_value): Handle v7m interrupt functions.
3022         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
3023         Thumb-2.
3024         (const_ok_for_arm): Handle Thumb-2 constants.
3025         (arm_gen_constant): Ditto.  Use movw when available.
3026         (arm_function_ok_for_sibcall): Return false for v7m interrupt
3027         functions.
3028         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
3029         (thumb_find_work_register, arm_load_pic_register,
3030         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
3031         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
3032         print_multi_reg, output_mov_long_double_fpa_from_arm,
3033         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
3034         output_mov_double_fpa_from_arm, output_move_double,
3035         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
3036         output_return_instruction, arm_output_function_prologue,
3037         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
3038         arm_output_mi_thunk, thumb_set_return_address): Ditto.
3039         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
3040         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
3041         (arithmetic_instr, shift_op): Use arm_shift_nmem.
3042         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
3043         '!' and 'L'.
3044         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
3045         (thumb_expand_prologue): Use thumb_set_frame_pointer.
3046         (arm_file_start): Output directive for unified syntax.
3047         (arm_unwind_emit_set): Handle stack alignment instruction.
3048         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
3049         Add v6t2, v7, v7a, v7r and v7m.
3050         (RETLDM): Add Thumb-2 code.
3051         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
3052         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
3053         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
3054         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
3055         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
3056         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
3057         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
3058         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
3059         ADJUST_INSN_LENGTH): Define.
3060         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
3061         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
3062         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
3063         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
3064         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3065         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
3066         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
3067         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
3068         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
3069         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
3070         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
3071         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
3072         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
3073         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
3074         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
3075         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
3076         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
3077         cortex-m3.
3078         * config/arm/arm-tune.md: Regenerate.
3079         * config/arm/arm-protos.h: Update prototypes.
3080         * config/arm/vfp.md: Enable patterns for Thumb-2.
3081         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
3082         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
3083         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
3084         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
3085         * config/arm/libunwind.S: Add Thumb-2 code.
3086         * config/arm/constraints.md: Update include Thumb-2.
3087         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
3088         * config/arm/ieee754-df.S: Ditto.
3089         * config/arm/bpabi.S: Ditto.
3090         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
3091         * config/arm/predicates.md (low_register_operand,
3092         low_reg_or_int_operand, thumb_16bit_operator): New.
3093         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
3094         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
3095         * config/arm/t-arm-elf: Add armv7 multilib.
3096         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
3097         Include thumb2.md.
3098         (UNSPEC_STACK_ALIGN, ce_count): New.
3099         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
3100         arm_zero_extendsidi2, arm_zero_extendqidi2): New
3101         insns/expanders.
3102         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
3103         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
3104         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
3105         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
3106         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
3107         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
3108         insns.
3109         * doc/extend.texi: Document ARMv7-M interrupt functions.
3110         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
3111
3112 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
3113
3114         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
3115         (struct _Unwind_Context): Rename args_size to flags, remove
3116         signal_frame field, add a new args_size field and version field.
3117         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
3118         _Unwind_IsExtendedContext): New inline functions.
3119         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3120         Assume by_value array is only present if _Unwind_IsExtendedContext.
3121         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
3122         _Unwind_IsSignalFrame.
3123         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
3124         (uw_update_context_1): Use _Unwind_SetSignalFrame.
3125         (uw_init_context_1): Initialize context->flags to
3126         EXTENDED_CONTEXT_BIT.
3127         * config/rs6000/linux-unwind.h (frob_update_context): Use
3128         _Unwind_SetSignalFrame.
3129
3130 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3131
3132         PR middle-end/30353
3133         * gimplify.c (gimplify_modify_expr_complex_part): Move below
3134         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
3135         the value.
3136
3137 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
3138
3139         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
3140         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
3141         RET, AT_SP): Remove.
3142         * config/i386/i386.md (*sse_prologue_save_insn): Use return
3143         instead of RET.
3144
3145         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3146         * cfgbuild.c (find_basic_blocks): Likewise.
3147         * cfgrtl.c (rtl_create_basic_block): Likewise.
3148         * function.c (temp_slots_at_level): Likewise.
3149         * reg-stack.c (stack_regs_mentioned): Likewise.
3150         * regclass.c (allocate_reg_info): Likewise.
3151         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3152         set_bb_for_stmt, move_block_to_fn): Likewise.
3153         * tree-complex.c (tree_lower_complex): Likewise.
3154         * vec.h (VEC_safe_grow_cleared): New.
3155
3156         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
3157
3158 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
3159
3160         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
3161         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
3162         to loop_version.
3163         * cfgloopmanip.c (scale_loop_frequencies): Export.
3164         (loopify): Scale the frequencies by prescribed coefficients.
3165         (set_zero_probability): New function.
3166         (duplicate_loop_to_header_edge): Improve updating of frequencies.
3167         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
3168         and frequencies according to arguments.
3169         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
3170         correctly.
3171         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
3172         * modulo-sched.c (sms_schedule): Set probabilities for entering
3173         versioned loop correctly.
3174         * tree-vect-transform.c (vect_transform_loop): Ditto.
3175         * cfgloop.h (loopify, loop_version): Declaration changed.
3176         (scale_loop_frequencies): Declared.
3177
3178 2007-01-02  Jan Hubicka  <jh@suse.cz>
3179
3180         * cgraph.c: Include tree-flow.h
3181         (cgraph_add_new-function): Handle IPA_SSA mode; execute
3182         early_local_passes.
3183         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
3184         * tree-pass.h (pass_all_early_optimizations): Declare.
3185         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
3186         early_local_passes.
3187         (cgraph_analyze_function): Do early_local_passes.
3188         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3189         Do not add referenced vars.
3190         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
3191         SSA form.
3192         (gate_all_early_local_passes): New gate.
3193         (pass_early_local_passes): Use new gate.
3194         (execute_early_local_optimizations): New functions.
3195         (gate_all_early_optimizations): New gate.
3196         (pass_all_early_optimizations): New pass.
3197         (execute_free_datastructures): Free SSA only when initialized.
3198         (gate_init_datastructures): Init only when optimizing.
3199         (tree_lowering_passes): Do early local passes when called late.
3200         * tree-profile.c (do_tree_profiling): Don't profile functions added
3201         late.
3202         (do_early_tree_profiling, pass_early_tree_profile): Kill.
3203         * tree-cfg.c (update_modified_stmts): Do not update when operands are
3204         not active.
3205         * passes.c (init_optimizations_passes): Reorder so we go into SSA
3206         during early_local_passes.
3207         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
3208
3209
3210 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3211
3212         * Makefile.in: Update copyright year.
3213
3214 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3215
3216         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
3217         in $(lang_checks) and check-consistency targets.
3218
3219 2007-01-02  Jan Hubicka  <jh@suse.cz>
3220
3221         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3222         Do not add referenced vars.
3223         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
3224         are not active.
3225         * passes.c (init_optimization_passes): Put mudflap_2 after
3226         free_datastructures.
3227
3228 2007-01-02  Jan Hubicka  <jh@suse.cz>
3229
3230         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
3231         Set NOTHROW flag on call statements proved to be nothrow.
3232         Update statement of local calls so new pure/const functions are
3233         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
3234         goto receivers.
3235         (tree_rest_of_compilation): Register hooks and initialize bitmap
3236         early. Do not set after_inlining flag.
3237
3238 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
3239
3240         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
3241         HOST_BITS_PER_LONGLONG
3242
3243 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3244
3245         PR c/19977
3246         * c-typeck.c (store_init_value): Don't emit pedantic overflow
3247         warning for non-static initializers.
3248
3249 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
3250
3251         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
3252         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
3253         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
3254         Always use set_unique_reg_note to add REG_EQUAL notes.
3255
3256 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3257
3258         Revert:
3259         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3260
3261         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3262         * cfgbuild.c (find_basic_blocks): Likewise.
3263         * cfgrtl.c (rtl_create_basic_block): Likewise.
3264         * function.c (temp_slots_at_level): Likewise.
3265         * reg-stack.c (stack_regs_mentioned): Likewise.
3266         * regclass.c (allocate_reg_info): Likewise.
3267         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3268         set_bb_for_stmt, move_block_to_fn): Likewise.
3269         * tree-complex.c (tree_lower_complex): Likewise.
3270         * vec.h (VEC_safe_grow_cleared): New.
3271
3272 2007-01-02  Ian Lance Taylor  <iant@google.com>
3273
3274         * c-common.c (c_common_truthvalue_conversion): When warning about
3275         using an assignment as a truth value, set TREE_NO_WARNING.
3276
3277 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3278
3279         PR middle-end/7651
3280         * c.opt (Wold-style-declaration): New.
3281         * doc/invoke.texi (C-only Warning Options): New.
3282         (Wold-style-declaration): Document it.
3283         (Wextra): Enabled by -Wextra.
3284         * c-opts.c (c_common_post_options): Enabled by -Wextra.
3285         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
3286         -Wold-style-declaration.
3287
3288 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3289
3290         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3291         * cfgbuild.c (find_basic_blocks): Likewise.
3292         * cfgrtl.c (rtl_create_basic_block): Likewise.
3293         * function.c (temp_slots_at_level): Likewise.
3294         * reg-stack.c (stack_regs_mentioned): Likewise.
3295         * regclass.c (allocate_reg_info): Likewise.
3296         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3297         set_bb_for_stmt, move_block_to_fn): Likewise.
3298         * tree-complex.c (tree_lower_complex): Likewise.
3299         * vec.h (VEC_safe_grow_cleared): New.
3300
3301 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
3302
3303         * c-common.c (c_common_nodes_and_builtins): Since variants of
3304         void_type_node get built before it is given a name, we need to
3305         give those variants the name, too.
3306         (complete_array_type): We need to work with the canonical main
3307         type of the array, from which we will build the qualified version.
3308         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3309         * print-tree.c (print_node): Display canonical type information
3310         for each type.
3311         * stor-layout.c (layout_type): When we don't know the
3312         alignment of a type for which we're building an array, we end up
3313         guessing wrong, so make the type require structural equality.
3314         * tree.c (make_node_stat): When we build a new type, it is its
3315         own canonical type.
3316         (build_type_attribute_qual_variant): When building an attribute
3317         variant, its canonical type is the non-attribute variant. However,
3318         if the attributes are target-dependent and they differ, we need to
3319         use structural equality checks for this type.
3320         (build_qualified_type): A qualified type is not equivalent to its
3321         unqualified variant; set the canonical type appropriately.
3322         (build_distinct_type_copy): When building a distinct type from
3323         another type, the new type is its own canonical type.
3324         (build_variant_type_copy): When building a new type variant, we
3325         assume that it is equivalent to the original type.
3326         (build_pointer_type_for_mode): When building a pointer type, also
3327         build a canonical type pointer.
3328         (build_reference_type_for_mode): When building a reference type,
3329         also build a canonical type reference.
3330         (build_index_type): When we can't hash an index type (e.g.,
3331         because its maximum value is negative), the index type requires
3332         structural equality tests.
3333         (build_array_type): Build the canonical form of an array type.
3334         (build_function_type): Function types require structural equality,
3335         because they contain default arguments, attributes, etc.
3336         (build_method_type_directly): Ditto for method types.
3337         (build_offset_type): Build the canonical offset type.
3338         (build_complex_type): Build the canonical vector type.
3339         (make_vector_type): Build the canonical vector type.
3340         * tree.h (TYPE_CANONICAL): New.
3341         (TYPE_STRUCTURAL_EQUALITY_P): New.
3342         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3343         (struct tree_type): Added "canonical" field.
3344         * params.h (VERIFY_CANONICAL_TYPES): New.
3345         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3346         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3347         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3348         * doc/invoke.texi (verify-canonical-types): Document --param
3349         parameter for verifying canonical types.
3350
3351 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3352
3353         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3354         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3355         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3356         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3357         tm_file.
3358         * config/rs6000/e500.h: New.
3359         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3360         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3361         Remove.
3362         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3363         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3364         TARGET_E500_DOUBLE): Remove.
3365         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3366         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3367         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3368         * config/rs6000/rs6000.c (rs6000_override_options): Use
3369         CHECK_E500_OPTIONS.
3370
3371 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3372
3373         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3374         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3375         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3376         rs6000_emit_cmove): Don't check TARGET_E500.
3377         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3378         sordered): Don't check TARGET_E500.
3379
3380 2007-01-01  Eric Christopher  <echristo@apple.com>
3381
3382         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3383         HARD_REGISTER_NUM_P.
3384
3385 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3386
3387         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3388         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3389         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3390         eq/ne Y".
3391
3392 2007-01-01  Mike Stump  <mrs@apple.com>
3393
3394         * configure.ac: Remove support for building with Apple's gcc-3.1.
3395
3396 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3397
3398         PR middle-end/30311
3399         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3400         REG is a hard register.  Do not modify REG before calling
3401         subreg_nregs.
3402         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3403         multiple of the size of YMODE for certain lowpart cases.
3404
3405 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3406
3407         PR middle-end/30253
3408         * gimplify (voidify_wrapper_expr): Update for
3409         GIMPLE_MODIFY_STMT.
3410
3411 2007-01-01  Andreas Schwab  <schwab@suse.de>
3412
3413         PR target/29166
3414         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3415         save of BR0 in extra_spill_size instead of spill_size.
3416         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3417         area.
3418         (ia64_expand_epilogue): Restore BR0 from its new location.
3419
3420 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3421
3422         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3423         Use a temporary variable if the left hand side is not a gimple
3424         register.
3425
3426 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3427
3428         * gimplify.c (gimplify_return_expr): Make the temporary variable
3429         for the return expression, a gimple register variable.
3430
3431 2007-01-01  Jan Hubicka  <jh@suse.cz>
3432
3433         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3434         INSN_LIST.
3435
3436 2007-01-01  Mike Stump  <mrs@apple.com>
3437
3438         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3439         .literal16.
3440         * config/darwin.c (machopic_select_rtx_section): Use
3441         HAVE_GAS_LITERAL16.
3442         (darwin_mergeable_constant_section): Likewise.
3443         * configure: Regenerate.
3444         * config.in: Regenerate.
3445
3446 2007-01-01  Jan Hubicka  <jh@suse.cz>
3447             Andrew Pinski  <pinskia@gmail.com>
3448
3449         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3450         before starting IPA passes.