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1 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2
3         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
4         altivec_padding_size calculation on AIX.  Improve comment, add
5         assert to verify that it's right.
6
7         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8         64-bit.
9
10 2007-2-01   Seongbae Park <seongbae.park@gmail.com>
11
12         PR inline-asm/28686
13         * global.c (global_alloc): Add mising initialization of
14         ELIMINABLE_REGSET.
15
16 2007-02-01  Roger Sayle  <roger@eyesopen.com>
17
18         * alias.c (init_alias_analysis): Correct whitespace.
19         * bb-reorder.c (fix_edges_for_rarely_executed_code,
20         partition_hot_cold_basic_blocks): Likewise.
21         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
22         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
23         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
24         fold_builtin_snprintf_chk, fold_builtin_printf,
25         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
26         do_mpfr_arg3, do_mpfr_sincos): Likewise.
27         * cfgcleanup.c (cleanup_cfg): Likewise.
28         * cfgexpand.c (tree_expand_cfg): Likewise.
29         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
30         * function.c (get_next_funcdef_no): Likewise.
31         * gengtype.c (main): Likewise.
32         * genmodes.c (main): Likewise.
33         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
34         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
35         * ifcvt.c (noce_emit_move_insn): Likewise.
36         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
37         Likewise.
38         * stor-layout.c (get_best_mode): Likewise.
39         * tree-ssa-loop-niter.c (get_val_for): Likewise.
40         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
41         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
42         perform_var_substitution, solve_graph): Likewise.
43         * tree-vrp.c (vrp_finalize): Likewise.
44
45 2007-02-01  Ian Lance Taylor  <iant@google.com>
46
47         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
48         high part of a paradoxical subreg, return a constant zero.
49
50 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
51
52         * toplev.c (lang_dependent_init): Call init_set_costs.
53         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
54
55 2007-02-01  Richard Guenther  <rguenther@suse.de>
56
57         PR middle-end/30656
58         * fold-const.c (fold_negate_expr): Allow negating a
59         constant if overflow does not change.
60
61 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
62
63         * doc/c-tree.texi (Expression trees): Improve markup.
64         * doc/tm.texi (Register Classes, Addressing Modes)
65         (Floating Point): Fix spacing after abbreviations.  Fix some
66         typos.
67
68 2007-02-01  Ben Elliston  <bje@au.ibm.com>
69
70         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
71         * doc/contrib.texi: Likewise.
72         * doc/install.texi: Likewise.
73
74 2007-01-31  Richard Henderson  <rth@redhat.com>
75             Ian Lance Taylor  <iant@google.com>
76
77         * lower-subreg.c: New file.
78         * rtl.def (CONCATN): Define.
79         * passes.c (init_optimization_passes): Add pass_lower_subreg and
80         pass_lower_subreg2.
81         * emit-rtl.c (update_reg_offset): New static function, broken out
82         of gen_rtx_REG_offset.
83         (gen_rtx_REG_offset): Call update_reg_offset.
84         (gen_reg_rtx_offset): New function.
85         * regclass.c: Revert patch of 2006-03-05, restoring
86         reg_scan_update.
87         (clear_reg_info_regno): New function.
88         * dwarf2out.c (concatn_loc_descriptor): New static function.
89         (loc_descriptor): Handle CONCATN.
90         * common.opt (fsplit_wide_types): New option.
91         * opts.c (decode_options): Set flag_split_wide_types when
92         optimizing.
93         * timevar.def (TV_LOWER_SUBREG): Define.
94         * rtl.h (gen_reg_rtx_offset): Declare.
95         (reg_scan_update): Declare.
96         * regs.h (clear_reg_info_regno): Declare.
97         * tree-pass.h (pass_lower_subreg): Declare.
98         (pass_lower_subreg2): Declare.
99         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
100         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
101         -fsplit-wide-types.
102         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
103         * Makefile.in (OBJS-common): Add lower-subreg.o.
104         (lower-subreg.o): New target.
105
106 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
107
108         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
109
110 2007-01-31  Anatoly Sokolov <aesok@post.ru>
111
112         PR target/19087
113         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
114
115 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
116
117         PR middle-end/29335
118         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
119
120 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
121
122         * cfgloop.h: Include vec-prim.h.
123         (enum li_flags): Remove LI_ONLY_OLD.
124         (loop_iterator): Changed.
125         (fel_next, fel_init): Iterate over loop tree.
126         (FOR_EACH_LOOP_BREAK): New macro.
127         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
128         FOR_EACH_LOOP.
129         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
130         * modulo-sched.c (sms_schedule): Ditto.
131         * tree-vectorizer.c (vectorize_loops): Ditto.
132         * doc/loop.texi: Update information on loop numbering and behavior of
133         FOR_EACH_LOOP wrto new loops.
134         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
135         add_to_evolution_1): Test nestedness of loops instead of comparing
136         their numbers.
137         * tree-chrec.c (chrec_fold_plus_poly_poly,
138         chrec_fold_multiply_poly_poly, chrec_evaluate,
139         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
140         reset_evolution_in_loop): Ditto.
141         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
142
143 2007-01-31  Dirk Mueller  <dmueller@suse.de>
144
145         * c-common.c (warn_about_parentheses): Separate warning about
146         un-parenthized sequence of comparison operators from the one
147         which is supposed to warn about x <= y <= z.
148
149 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
150
151         * optabs.h (enum optab_index): Add new OTI_isinf.
152         (isinf_optab): Define corresponding macro.
153         * optabs.c (init_optabs): Initialize isinf_optab.
154         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
155         patterns.
156         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
157         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
158         using isinf_optab.
159         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
160         expand_builtin_interclass_mathfn.
161         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
162         * config/i386/i386.md (UNSPEC_FXAM): New constant.
163         (fxam<mode>2_i387): New insn pattern.
164         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
165         built-in functions as x87 inline asm.
166
167 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
168
169         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
170
171 2007-01-30  Eric Christopher  <echristo@apple.com>
172
173         * config.gcc: Add geode.
174
175 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
176
177         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
178         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
179         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
180         value-prof.c: Fix comment typos.
181
182 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
183
184         PR c++/24745
185         * doc/invoke.texi (Wpointer-arith): Document warning.
186
187 2007-01-30  Janis Johnson
188
189         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
190         the list of discrepancies from the draft TR.
191
192 2007-01-30  Dirk Mueller  <dmueller@suse.de>
193
194         PR c++/30601
195         * doc/invoke.texi (-Wreturn-type): Update description to
196         match new behavior.
197
198 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
199
200         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
201
202 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
203
204         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
205         to handle optabs that operate on floating point input argument and
206         output to integer output.
207         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
208         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
209         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
210         expand_builtin_interclass_mathfn ().
211         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
212         (ilogbsi2): Remove.
213         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
214         ilogbl built-in functions as x87 intrinsics.
215
216 2007-01-30  Richard Guenther  <rguenther@suse.de>
217
218         PR middle-end/27657
219         * dwarf2out.c (reference_to_unused): Query varpool if the
220         variable was output.
221
222 2007-01-30  Richard Guenther  <rguenther@suse.de>
223
224         PR middle-end/30313
225         * passes.c (execute_one_pass): Reset in_gimple_form to not
226         confuse non-unit-at-a-time mode.
227
228 2007-01-29  Roger Sayle  <roger@eyesopen.com>
229             Richard Guenther  <rguenther@suse.de>
230
231         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
232         avoid undefined behaviour on overflow.  Use force_fit_type_double
233         to construct the constant with the specified TREE_OVERFLOW.
234
235 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
236
237         * config/dfp-bit.c: Add parameterized support for fp exceptions.
238         * config/dfp-bit.h: Ditto.
239
240 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
241
242         * c-decl.c (pop_scope): Replace warnings with call to
243         warn_for_unused_label.
244         * c-common.h (warn_for_unused_label): Declare.
245         * c-common.c (warn_for_unused_label): Define.
246
247 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
248
249         * tree-optimize.c (update_inlined_to_pointers): Delete unused
250         function.
251
252 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
253
254         * Makefile.in (USER_H): Remove decfloat.h.
255         * ginclude/decfloat.h: Delete, moving contents to ...
256         * ginclude/float.h: Add support for decimal floating point,
257         guarded by __STDC_WANT_DEC_FP__.
258
259 2007-01-29  Mike Stump  <mrs@apple.com>
260
261         * doc/gccint.texi (Top): Rename Loop Representation to Loop
262         Analysis and Representation to resolve case insensitive conflict.
263         * doc/loop.texi (Loop Analysis and Representation): Likewise.
264
265 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
266
267         * tree.h (struct tree_memory_tag): Add aliases member.
268         (MTAG_ALIASES): New macro.
269         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
270         (add_may_alias): Remove pointer-set. Update for may_aliases being
271         a bitmap.
272         (mark_aliases_call_clobbered): Update for may_aliases being a
273         bitmap.
274         (compute_tag_properties): Ditto.
275         (create_partition_for): Ditto.
276         (compute_memory_partitions): Ditto.
277         (dump_may_aliases_for): Ditto.
278         (is_aliased_with): Ditto.
279         (add_may_alias_for_new_tag): Ditto.
280         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
281         (compute_is_aliased): New function.
282         (compute_may_aliases): Call compute_is_aliased).
283         (init_alias_info): Initialize alias_bitmap_obstack.
284         (union_alias_set_into): New function.
285         (compute_flow_sensitive_aliasing): Use union_aliases_into.
286         (have_common_aliases_p): Rewrite to take two bitmaps and use
287         intersection.
288         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
289         Update for bitmaps.
290         (finalize_ref_all_pointers): Update for add_may_alias changes.
291         (new_type_alias): Ditto.
292         * tree-flow-inline.h (may_aliases): Return a bitmap.
293         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
294         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
295         may_aliases being a bitmap.
296         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
297         may_aliases now returns a bitmap.
298         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
299         being a bitmap.
300         * tree-ssa-operands.c (add_virtual_operand): Update for
301         may_aliases being a bitmap.
302
303 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
304
305         PR tree-optimization/30630
306         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
307         variable as changed.
308
309 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
310
311         PR c++/28266
312         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
313         expanded only once even if an error occurs.
314
315 2007-01-29  Ben Elliston  <bje@au.ibm.com>
316
317         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
318         (__gcov_average_profiler): Likewise.
319         (__gcov_ior_profiler): Likewise.
320         (__gcov_merge_ior): Likewise.
321
322 2007-01-28  Jan Hubicka  <jh@suse.cz>
323
324         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
325         * value-prof.c (stringop_block_profile): Likewise.
326
327 2007-01-28  Jan Hubicka  <jh@suse.cz>
328
329         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
330         variant handling histograms; add wrapper.
331         (clear_storage_via_libcall): Export.
332         (emit_block_move_hints): Break out from ...; add histograms.
333         (emit_block_move): ... this one.
334         (clear_storage_hints): Break out from ...; add histograms.
335         (clear_storage): ... this one.
336         (set_storage_via_memset): Handle histogram.
337         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
338         (clear_storage_hints, clear_storage_via_libcall): Declare.
339         (set_storage_via_setmem): Update prototype.
340         * doc/md.texi (movmem, setmem): Document new arguments.
341
342         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
343         new histograms.
344         (stringop_block_profile): New global function.
345         (tree_stringops_values_to_profile): Profile block size and alignment.
346         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
347         HIST_TYPE_IOR.
348         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
349         (stringop_block_profile): Declare.
350         * builtins.c: Include value-prof.h.
351         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
352         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
353         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
354         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
355         * profile.c (instrument_values): Add new counters.
356         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
357         calls.
358         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
359         (tree_init_edge_profiler): Build new profilers.
360         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
361         (pass_tree_profile): Add dump.
362         (tree_profile_hooks): Update.
363         * Makefile.in (LIBGCOV): Add new constants.
364         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
365         __gcov_ior_profiler): New.
366         * i386.md (movmem/setmem expanders): Add new optional arguments.
367
368 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
369
370         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
371
372 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
373
374         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
375         (tree_unswitch_single_loop): Pass eni_size_weights to
376         tree_num_loop_insns.
377         * tree-ssa-loop-manip.c: Include tree-inline.h.
378         (can_unroll_loop_p): Pass eni_size_weights to
379         tree_num_loop_insns.
380         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
381         Pass eni_size_weights to estimate_num_insns.
382         * tree.h (init_inline_once): Export.
383         * toplev.c (backend_init): Call init_inline_once.
384         * cgraphunit.c (cgraph_process_new_functions,
385         cgraph_analyze_function): Pass eni_inlining_weights to
386         estimate_num_insns.
387         * ipa-inline.c (compute_inline_parameters): Ditto.
388         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
389         to estimate_num_insns.
390         (try_unroll_loop_completely): Pass eni_size_weights to
391         tree_num_loop_insns.
392         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
393         ot estimate_num_insns.
394         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
395         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
396         * tree-inline.c (eni_inlining_weights, eni_size_weights,
397         eni_time_weights): New variables.
398         (init_inline_once): Initialize them.
399         (struct eni_data): Mew.
400         (estimate_num_insns_1, estimate_num_insns): Use weights.
401         * tree-inline.h (struct eni_weights_d): New.
402         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
403         (estimate_num_insns): Declaration changed.
404         * cfgloop.h (tree_num_loop_insns): Declaration changed.
405         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
406         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
407
408 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
409
410         * tree-data-ref.c (conflict_fn): Assert that the number of affine
411         relations in the conflict function is valid.
412
413 2007-01-27  Ian Lance Taylor  <iant@google.com>
414
415         * common.opt: Add fstrict-overflow.
416         * opts.c (decode_options): Set flag_strict_overflow if -O2.
417         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
418         (TYPE_OVERFLOW_UNDEFINED): Define.
419         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
420         Replace all uses.
421         * tree.h (TYPE_TRAP_SIGNED): Don't define.
422         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
423         (fold_negate_expr): Likewise.
424         (make_range): Likewise.
425         (extract_muldiv_1): Likewise.
426         (maybe_canonicalize_comparison): Likewise.
427         (fold_comparison): Likewise.
428         (fold_binary): Likewise.
429         (tree_expr_nonnegative_p): Likewise.
430         (tree_expr_nonzero_p): Likewise.
431         * tree-vrp.c (compare_values): Likewise.
432         (extract_range_from_binary_expr): Likewise.
433         (extract_range_from_unary_expr): Likewise.
434         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
435         Likewise.
436         (nowrap_type_p): Likewise.
437         * tree-scalar-evolution.c (simple_iv): Likewise.
438         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
439         (build_range_check): Likewise.
440         (extract_muldiv_1): Likewise.
441         (fold_comparison): Likewise.
442         * tree-vrp.c (vrp_int_const_binop): Likewise.
443         (extract_range_from_unary_expr): Likewise.
444         * convert.c (convert_to_integer): Likewise.
445         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
446         (fold_comparison): Likewise.
447         (fold_binary): Likewise.
448         * optabs.c (optab_for_tree_code): Likewise.
449         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
450         * simplify-rtx.c (simplify_const_relational_operation): Check
451         flag_strict_overflow and flag_trapv.
452         (simplify_const_relational_operation): Likewise.
453         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
454         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
455         -fstrict-overflow.
456
457 2007-01-27  Roger Sayle  <roger@eyesopen.com>
458
459         * tree.c (tree_fold_gcd): Delete.
460         * tree.h (tree_fold_gcd): Remove prototype.
461         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
462         test whether one constant integer is a multiple of another.  Instead
463         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
464         * fold-const.c (multiple_of_p):  We've determined both TOP and
465         BOTTOM are integer constants so we can call int_const_binop directly
466         instead of the more generic const_binop.
467
468 2007-01-27  Roger Sayle  <roger@eyesopen.com>
469
470         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
471         1*X check that the constant hasn't overflowed, to preserve the
472         TREE_OVERFLOW bit.
473         (round_up): Provide an efficient implementation when rouding-up an
474         INTEGER_CST to a power-of-two.
475
476 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
477
478         * doc/sourcebuild.texi: Add comma for clarity.
479         * doc/extend.texi: Fix some typos.
480         * doc/passes.texi: Likewise.
481         * doc/cppinternals.texi: Likewise.
482         * doc/c-tree.texi: Likewise.
483         * doc/tree-ssa.texi: Likewise.
484         * doc/install.texi: Likewise.
485
486 2007-01-27  Jan Hubicka  <jh@suse.cz>
487
488         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
489         (pass_sra): Do not require alias information.
490         * passes.c (init_optimization_passes): Add SRA
491
492 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
493
494         * tracer.c (rest_of_handle_tracer): We already cleaned
495         up the CFG in tracer() so don't do it here again.
496         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
497         cleanup_cfg here, either.  And don't call renumber_insns.
498
499         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
500         and BB_HEAD are in the insn stream here.  Instead make sure
501         that BB_INSN is valid on all insns.  Also, do check here that
502         there are no pending branch predictions...
503         (rtl_verify_flow_info): ...instead of doing it here.  Checks
504         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
505         here.
506
507 2007-01-26  Roger Sayle  <roger@eyesopen.com>
508
509         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
510         function to simplify/factorize operand order canonicalization.
511         (ix86_fixup_binary_operands): Reorganize using the above function.
512         (ix86_binary_operator_ok): Likewise.
513
514 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
515
516         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
517         file scope from optimize_attrs.
518         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
519         up search.
520         (optimize_attrs): Clear insn_code_values after freeing it.
521
522 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
523
524         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
525         a parts.base assignment.
526
527 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
528
529         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
530         (compute_subscript_distance, initialize_data_dependence_relation,
531         finalize_ddr_dependent, analyze_ziv_subscript,
532         analyze_siv_subscript_cst_affine,
533         compute_overlap_steps_for_affine_univar,
534         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
535         analyze_siv_subscript, analyze_miv_subscript,
536         analyze_overlapping_iterations, subscript_dependence_tester_1,
537         compute_self_dependence, free_dependence_relation): Work
538         with affine_fn instead of chrecs.
539         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
540         common_affine_function, affine_function_base,
541         affine_function_constant_p, affine_fn_op, affine_fn_plus,
542         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
543         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
544         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
545         (all_chrecs_equal_p): Removed.
546         * tree-data-ref.h (affine_fn, conflict_function): New types.
547         (struct subscript): Change type of conflicting_iterations_in_a
548         and conflicting_iterations_in_b.
549
550 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
551
552         PR other/30182
553         * config/pa/pa.h (TARGET_HPUX_11): New.
554         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
555         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
556
557 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
558         Richard Guenther  <rguenther@suse.de>
559
560         * tree-ssa-structalias.c (solve_graph): Handle case
561         we merged the variable to another.
562
563 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
564
565         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
566         functions.
567
568         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
569         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
570
571 2007-01-25  DJ Delorie  <dj@redhat.com>
572
573         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
574         allow changes to modes which don't fit in those registers.
575
576         * reload1.c (choose_reload_regs): Check for invalid subregs before
577         computing their locations, not after.
578
579 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
580
581         PR 25127
582         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
583         save Altivec registers in an eh_return function.
584         (compute_vrsave_mask): Likewise.
585         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
586         for saving Altivec registers.
587         (rs6000_emit_prologue): Don't allocate stack twice in
588         eh_return function.  Correct expected value of altivec_save_offset
589         when using save_world.  Describe save of R0 to stack when using
590         save_world.  Describe stack pointer adjustment when using
591         save_world.  Remove duplicated eh_return parameter register saving.
592         Update sp_offset variable after save_world.
593         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
594         darwin-world.asm.
595         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
596         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
597         implies Altivec.
598
599 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
600
601         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
602
603 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
604
605         PR other/30182
606         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
607         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
608
609 2007-01-25  Richard Guenther  <rguenther@suse.de>
610
611         * doc/invoke.texi (-Wcoverage-mismatch): Document.
612         * common.opt (-Wcoverage-mismatch): New warning option.
613         * coverage.c (get_coverage_counts): Ignore coverage mismatch
614         if -Wcoverage-mismatch is given.
615
616 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
617
618         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
619         (ipcp_driver): Change to static definition.
620         Add dumping of the ifunctions.
621         (constant_val_insert): Remove unused parameter. Support for SSA.
622         (ipcp_propagate_const): Support for SSA.
623         (ipcp_profile_bb_print): Print only analyzed nodes.
624         (ipcp_replace_map_create): Remove support for Fortran constant
625         for now.
626         * ipa-prop.c (ipa_method_modify_stmt,
627         ipa_callsite_compute_param): Support for SSA.
628         * ipa-prop.h (ipcp_driver): Remove declaration.
629         (IS_VALID_TREE_MAP_INDEX): Add define.
630
631 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
632
633         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
634
635 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
636
637         PR middle-end/30447
638         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
639         constant argument to cabs and do it without checking for
640         -funsafe-math-optimizations.
641
642 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
643
644         * c-common.h (RID_FIRST_CXX0X): New.
645         (RID_LAST_CXX0X): New.
646         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
647         by -Wall.
648         * c.opt (Wc++0x-compat): New.
649         * doc/invoke.texi (-Wc++0x-compat): Document.
650
651 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
652
653         * builtins.c (fold_builtin_carg): New.
654         (fold_builtin_1): Use it.
655
656 2007-01-24  Jan Hubicka  <jh@suse.cz>
657
658         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
659
660         * ipa-inline.c (initial_insns, max_insns): Delete.
661         (compute_max_insns): New function.
662         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
663         of insns as base for code growth.
664         (cgraph_decide_inlining): Make initial_insns local; do not compute
665         max_insns.
666         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
667         * doc/invoke.texi (inline-unit-growth): Update docs.
668
669 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
670
671         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
672         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
673         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
674         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
675         for CPUs that have PTA_CX16 set.
676
677         PR middle-end/27416
678         * gimplify.c (omp_check_private): New function.
679         (gimplify_scan_omp_clauses): Use it for
680         firstprivate/lastprivate/reduction.
681
682         PR middle-end/30494
683         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
684         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
685
686         PR middle-end/30421
687         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
688         If lower_lastprivate_clauses emits some statements, append them
689         to dlist rather than body_p and to body_p append an initializer.
690         (lower_omp_for): Adjust caller.
691
692 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
693
694         * target.h (globalize_decl_name): New.
695         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
696         * output.h (default_globalize_decl_name): New.
697         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
698         globalize_label.
699         (globalize_decl): Ditto.
700         (default_globalize_decl_name): New.
701         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
702         (ia64_handle_version_id_attribute): New.
703         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
704         (ia64_asm_output_external): Use globalize_decl_name instead
705         of globalize_label.
706         * doc/extend.texi (version_id): New pragma.
707         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
708
709 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
710
711         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
712         _uleb128_t and _Unwind_SWord with _sleb128_t.
713         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
714         uw_frame_state_for, uw_update_context_1): Likewise.
715         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
716         * unwind-pe.h (read_uleb128, read_sleb128,
717         read_encoded_value_with_base): Likewise.
718         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
719
720 2007-01-24  Richard Guenther  <rguenther@suse.de>
721
722         * builtins.c (expand_builtin_cexpi): Get the fndecl
723         for cexp in the correct way.
724
725 2007-01-24  Jan Hubicka  <jh@suse.cz>
726
727         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
728
729 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
730
731         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
732         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
733         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
734         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
735         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
736         __SIZEOF_PTRDIFF_T__.
737         * doc/cpp.texi: Documentation for the new builtin macros added.
738
739 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
740
741         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
742         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
743         instead of operands[2] to avoid access past the end of array.
744
745 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
746
747         * reload1.c (emit_reload_insns): Pass the reload register
748         for a non-spill output reload through forget_old_reloads_1.
749
750 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
751
752         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
753         _SOFT_DOUBLE if doubles use software floating-point.
754         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
755         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
756         * config/rs6000/darwin-ldouble.c: Also compile functions for
757         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
758         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
759         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
760         commented-out long double override.
761         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
762         * config/rs6000/eabispe.h: Likewise.
763         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
764         long double for non-SPE.
765         (rs6000_handle_option): Likewise.
766         (invalid_e500_subreg): Disallow more subregs involding DImode,
767         DFmode, TImode or TFmode.
768         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
769         E500 double.
770         (legitimate_lo_sum_address_p): Also check for TFmode for E500
771         double.
772         (rs6000_legitimize_address): Also handle TFmode for E500 double.
773         (rs6000_legitimize_reload_address): Also handle TFmode for E500
774         double.
775         (rs6000_legitimate_address): Also check for TFmode for E500
776         double.
777         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
778         (spe_build_register_parallel): Handle TFmode and TCmode.
779         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
780         double.
781         (function_arg): Handle TFmode and TCmode for E500 double.
782         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
783         in general.
784         (print_operand): Handle TFmode and TImode for %y.
785         (rs6000_generate_compare): Handle TFmode comparisons for E500
786         double.
787         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
788         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
789         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
790         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
791         TFmode for E500 double.
792         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
793         (floatsidf2): Enable for E500 double.
794         (movtf_softfloat): Use rs6000_nonimmediate_operand.
795         (extenddftf2): Change to extenddftf2_fprs.
796         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
797         depending on TARGET_E500_DOUBLE.
798         (extendsftf2): Enable for E500 double.
799         (trunctfdf2): Enable for E500 double.
800         (trunctfsf2): Change to trunctfsf2_fprs.
801         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
802         depending on TARGET_E500_DOUBLE.
803         (floatsitf2): Enable for E500 double.
804         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
805         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
806         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
807         (negtf2): Change to negtf2_internal.
808         (negtf2): New expander.
809         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
810         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
811         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
812         (movdi_internal32): Use rs6000_nonimmediate_operand.
813         (unnamed splitter): Likewise.
814         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
815         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
816         (SPE64TF, DITI): New mode macros.
817         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
818         modes.
819         (frob_tf_ti): New.
820         (frob_<mode>_di_2): New.
821         (frob_tf_di_8_2): New.
822         (frob_di_df): Change to frob_di_<mode>; allow more modes.
823         (frob_ti_tf): New.
824         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
825         more modes.
826         (frob_ti_<mode>_8_2): New.
827         (frob_ti_tf_2): New.
828         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
829         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
830         TFmode.
831         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
832         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
833         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
834         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
835         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
836         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
837         tsttflt_gp): New.
838
839 2007-01-23  Ian Lance Taylor  <iant@google.com>
840
841         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
842         insn-*.o first.
843         (OBJS-archive): Reformat, alphabetize.
844         (OBJS): Change out_object_file to OBJS-md.
845
846 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
847
848         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
849         JUMP_P and CALL_P predicates where applicable.
850         * config/i386/i386.c: Ditto.
851         * config/i386/i386.md: Ditto.
852         * config/i386/mmx.md: Ditto.
853         * config/i386/predicates.md: Ditto.
854
855 2007-01-22  Andreas Schwab  <schwab@suse.de>
856
857         * config/m68k/m68k.h: Fix comment.
858
859 2007-01-22  Jan Hubicka  <jh@suse.cz>
860
861         * passes.c (init_optimization_passes): Do not rerun
862         pass_early_warn_uninitialized.
863
864 2007-01-22  Richard Guenther  <rguenther@suse.de>
865
866         PR tree-optimization/30038
867         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
868         function.
869         (execute_cse_sincos_1): Likewise.
870         (execute_cse_sincos): Likewise.
871         (gate_cse_sincos): Likewise.
872         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
873         the cexpi() canonicalization of sincos().
874         * tree-pass.h (pass_cse_sincos): Declare.
875         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
876
877 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
878
879         PR rtl-optimization/29329
880         * combine.c (replaced_rhs_insn): Rename to i2mod.
881         (replaced_rhs_value): Rename to i2mod_new_rhs.
882         (i2mod_old_rhs): New global variable.
883         (combine_instructions): Adjust for above change.  Save a copy of
884         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
885         note are substituted in the second instruction.
886         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
887         ditch the note if it pertains to the second eliminated register
888         and this register is mentioned in i2mod_old_rhs.
889
890         Revert:
891         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
892
893         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
894         the insn to which the note was originally attached.
895
896 2007-01-21  Jan Hubicka  <jh@suse.cz>
897
898         * ipa-inline.c (inlining_mode): Comment, move up.
899         (cgraph_decide_inlining_incrementally): Do not perform inlining
900         itself; fix handling of flattening of self recursive functions.
901         (cgraph_find_cycles): Remove.
902         (cgraph_flatten_node): Remove.
903         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
904         (try_inline): New function.
905         (cgraph_early_inlining): Update call of
906         cgraph_decide_inlining_incrementally.  Apply inlining here.
907         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
908
909 2007-01-21  Dirk Mueller  <dmueller@suse.de>
910
911         PR bootstrap/30511
912         * tree-vrp.c (check_array_bounds): do not warn
913         about ADDR_EXPR's of ARRAY_REF's which are immediately
914         used in binary expressions.
915
916 2007-01-21  Ira Rosen  <irar@il.ibm.com>
917
918         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
919         read_write_dep and macros for its access.
920         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
921         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
922         argument, call vect_check_interleaving for every independent pair of
923         data-refs. Mark loads that access the same memory location as a store
924         in the loop.
925         (vect_check_dependences): Remove.
926         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
927         call, fix the call to vect_analyze_data_ref_dependence.
928         (vect_analyze_data_ref_access): For statements that access the same
929         data-ref, check that they are not stores; for loads, check that there
930         is no store that access the same location.
931
932 2007-01-20  Roger Sayle  <roger@eyesopen.com>
933             Joseph Myers  <joseph@codesourcery.com>
934
935         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
936         (-fdump-rtl-stack): Likewise.
937         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
938         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
939         (-mpt-fixed): Use @minus{} for minus sign.
940         (Using Precompiled Headers): Fix under/overfull hbox.
941
942 2007-01-20  Jan Hubicka  <jh@suse.cz>
943
944         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
945         place within annotation.
946
947 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
948
949         * pa.c (output_move_double): Change array size of xoperands to 4.
950
951 2007-01-20  Jan Hubicka  <jh@suse.cz>
952
953         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
954         as temporary.
955
956 2007-01-19  Ian Lance Taylor  <iant@google.com>
957
958         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
959         constant to unsigned HOST_WIDE_INT before negating.
960
961 2007-01-19  Ian Lance Taylor  <iant@google.com>
962
963         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
964         to unsigned.
965         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
966         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
967         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
968         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
969         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
970         (realloc_vdef, realloc_vuse): Change second parameter to
971         unsigned.
972         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
973         fields to unsigned.
974         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
975         unsigned. Change x and lim locals to unsigned.
976         (realloc_vdef, realloc_vuse): Change num_elem parameter to
977         unsigned.
978         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
979         (copy_virtual_operands): Change i and n locals to unsigned.
980
981 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
982
983         PR middle-end/29335
984         * builtins.c (fold_builtin_1): Handle builtin fdim.
985
986 2007-01-20  Jan Hubicka  <jh@suse.cz>
987
988         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
989         * tree-ssa-structalias.c (compute_points_to_sets): Do call
990         init_alias_heapvars.
991         (init_alias_heapvars): Initialize only when not already initialized.
992         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
993
994 2007-01-19  Roger Sayle  <roger@eyesopen.com>
995
996         * common.opt (fsigned-zeros): New command line option.
997         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
998         of flag_unsafe_math_optimizations.
999         * opts.c (set_fast_math_flags): The -ffast-math command line option
1000         implies -fno-signed-zeros.
1001         (fast_math_flags_set_p): Likewise.
1002
1003         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
1004         the documentation of -ffast-math appropriately.  Wrap long lines.
1005
1006 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
1007
1008         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
1009         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
1010
1011 2007-01-19  Tomas Bily  <tbily@suse.cz>
1012
1013         * cgraphunit.c (cgraph_finalize_function): Updating of pid
1014         * tree-profile.c:
1015         (tree_init_ic_make_global_vars): New function
1016         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
1017         (tree_gen_ic_profiler): New function
1018         (tree_gen_ic_func_profiler): New function
1019         (tree_profiling): Added calling of tree_gen_ic_func_profiler
1020         (tree_profile_hooks): Added hook for indirec/virtual calls
1021         * value-prof.c (tree_find_values_to_profile): New case for
1022         indirect calls
1023         (tree_values_to_profile): Call for determining indirect/virtual
1024         counters
1025         (tree_indirect_call_to_profile): New function
1026         (tree_ic_transform): New function
1027         (tree_ic): New function
1028         (find_func_by_pid): New function
1029         (init_pid_map): New function
1030         (tree_value_profile_transformations): Added check for
1031         indirect/virtual call transformation
1032         * value-prof.h (enum hist_type): New counter type for
1033         indirect/virtual calls
1034         (profile_hooks): Added new hook for profiling indirect/virtual
1035         calls
1036         * profile.c (instrument_values): New case for indirect/virtual
1037         call added
1038         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
1039         (GCOV_COUNTER_V_INDIR): New counter type
1040         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
1041         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
1042         call added
1043         * cgraph.c: Definition of cgraph_max_pid
1044         (cgraph_create_node): Default init of pid attribute
1045         * cgraph.h: Declaration of cgraph_max_pid
1046         (struct cgraph_node): Added pid attribute
1047         * libgcov.c (__gcov_indirect_call_profiler): New function
1048         (__gcov_one_value_profiler_body): New function
1049         (__gcov_one_value_profiler): Body was moved to
1050         __gcov_one_value_profiler_body and calls it
1051
1052 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
1053
1054         * doc/gty.texi (Options): Document the mark_hook option to GTY.
1055         * gengtype.c (write_types_data, write_func_for_structure,
1056         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
1057         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
1058         (walk_type, write_func_for_structure): Generate the mark_hook if
1059         needed.
1060
1061 2007-01-19  Jan Hubicka  <jh@suse.cz>
1062
1063         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
1064         'early' argument take inlining mode argument specifying whether to
1065         inline for size/speeed or all functions; add support for flattening;
1066         improve dumpting.
1067         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
1068
1069 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1070
1071         PR c++/17947
1072         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
1073         the name of the declared identifier.
1074
1075 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1076
1077         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
1078         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
1079         duplicate evaluation.
1080
1081 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1082
1083         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
1084         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
1085         to XFMode, use acosxf2 and truncate result to requested mode.
1086         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1087         (asin<mode>2): Similarly, with asin expanders.
1088         (*fscalexf4_i387): Rename from *fscalexf4.
1089         (expNcorexf3): New expander.
1090         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
1091         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
1092         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
1093         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
1094         patterns for SSE math.
1095         (exp10<mode>2): Similarly, with exp10 expanders.
1096         (exp2<mode>2): Similarly, with exp2 expanders.
1097         (expm1<mode>2): Similarly, with expm1 expanders.
1098         (ldexp<mode>3): Similarly, with ldexp expanders.
1099         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
1100         Use gen_truncxf<mode>2_i387_noop to truncate result.
1101
1102 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1103
1104         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
1105         for ColdFire targets.
1106
1107 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
1108             Richard Sandiford  <richard@codesourcery.com>
1109
1110         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
1111         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
1112         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
1113         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
1114         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1115         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1116
1117 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1118
1119         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
1120         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
1121         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
1122         (*adddi_dilshr32_cf): New pattern.
1123         (adddi3, subdi3): Remove first alternatives.
1124
1125 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1126
1127         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
1128         implemented using move.l, do not use its cc result for floating-point
1129         comparisons.
1130
1131 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1132
1133         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
1134         from accepting 's' constraints if flag_pic.
1135
1136 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1137
1138         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
1139         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
1140         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
1141         condition from TARGET_68881 to TARGET_HARD_FLOAT.
1142
1143 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
1144
1145         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
1146         ColdFire alternatives.
1147         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
1148         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
1149         architectures that support ff1 instruction.
1150
1151 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1152             Julian Brown  <julian@codesourcery.com>
1153
1154         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
1155         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
1156         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
1157         Add commentary.
1158
1159 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1160
1161         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
1162         and return a bool.
1163         (output_move_const_into_data_reg, output_move_simode_const): Delete.
1164         * config/m68k/m68k.c (const_method, const_int_cost): Take a
1165         HOST_WIDE_INT instead of an rtx.
1166         (m68k_rtx_costs): Update call accordingly.
1167         (output_move_const_into_data_reg): Likewise.  Fix formatting.
1168         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
1169         Return a bool.
1170         (output_move_simode_const): Update calls after above changes.
1171         Rework to use automatic variables and predicates like MEM_P.
1172         * config/m68k/m68k.md (pushexthisi_const): Update call to
1173         valid_mov3q_const.
1174
1175 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1176
1177         * tree-ssa-alias.c (perform_var_substitution): Fix typo
1178         in dump_flags test.
1179
1180 2007-01-19  Richard Guenther  <rguenther@suse.de>
1181
1182         * builtins.c (expand_builtin_cexpi): Fall back to expanding
1183         via cexp in case sincos is not available.
1184
1185 2007-01-19  Richard Guenther  <rguenther@suse.de>
1186
1187         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
1188         * defaults.h (TARGET_HAS_SINCOS): Default to off.
1189         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
1190         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
1191         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
1192         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
1193         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
1194         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
1195
1196 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1197
1198         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
1199         New insn patterns.
1200         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
1201         (atan2xf3): Directly generate RTL pattern.
1202         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
1203         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1204         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1205         disable patterns for SSE math.
1206         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
1207         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1208         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1209         disable patterns for SSE math.
1210
1211 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
1212
1213         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
1214
1215 2007-01-18  Roger Sayle  <roger@eyesopen.com>
1216
1217         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
1218         VIEW_CONVERT_EXPR to the same type as it's operand.
1219
1220 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
1221
1222         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
1223         configured for long double 128.
1224
1225 2007-01-18  Mike Stump  <mrs@apple.com>
1226
1227         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
1228         error.
1229
1230 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
1231
1232         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
1233         type correct.
1234
1235 2007-01-18  Jan Hubicka  <jh@suse.cz>
1236
1237         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
1238         greater than NUM_VOP_FREE_BUCKETS.
1239
1240 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
1241
1242         * tree-ssa-structalias.c: Update comments.
1243         (ptabitmap_obstack): Removed.
1244         (pta_obstack): New.
1245         (oldpta_obstack): Ditto.
1246         (stats): Add a few members.
1247         (struct variable_info): Remove node, complex, address_taken, and
1248         indirect_target members. Add oldsolution member.
1249         (new_var_info): Do not initialize removed members.
1250         (constraint_expr_type): Remove INCLUDES.
1251         (constraint_graph): Add size, implicit_preds, rep,
1252         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
1253         (FIRST_REF_NODE): New macro.
1254         (LAST_REF_NODE): Ditto.
1255         (FIRST_ADDR_NODE): Ditto.
1256         (find): New function.
1257         (unite): Ditto.
1258         (dump_constraint): Do not handle INCLUDES.
1259         (insert_into_complex): Do not insert duplicate constraints.
1260         (condense_varmap_nodes): Renamed and rewritten into ...
1261         (merge_node_constraints): This. Also fix bug in handling of
1262         offseted copy constraints.
1263         (clear_edges_for_node): No longer need to deal with preds at all,
1264         or removing associated preds/succs.
1265         (merge_graph_nodes): Deal with indirect_cycles.
1266         Don't deal with predecessors.
1267         (add_implicit_graph_edge): New function.
1268         (add_pred_graph_edge): Ditto.
1269         (add_graph_edge): Don't deal with predecessors.
1270         (build_constraint_graph): Removed.
1271         (build_pred_graph): New function.
1272         (build_succ_graph): Ditto.
1273         (struct scc_info): Removed in_component. Added roots, dfs, and
1274         node_mapping. Remove visited_index, unification_queue.
1275         (scc_visit): Deal with union-find we do now.
1276         Deal with cycles with REF nodes.
1277         (collapse_nodes): Renamed and rewritten to ...
1278         (unify_nodes): This.
1279         (process_unification_queue): Removed.
1280         (topo_visit): Cleanup
1281         (do_da_constraint): Use find.
1282         (do_sd_constraint): Ditto.
1283         (do_ds_constraint): Ditto.
1284         (do_complex_constraint): Ditto.
1285         (init_scc_info): Update for removed and added members.
1286         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
1287         (find_indirect_cycles): This.
1288         (equivalence_class): New variable.
1289         (label_visit): New function.
1290         (perform_variable_substitution): Rewritten.
1291         (free_var_substitution_info): New function.
1292         (find_equivalent_node): Ditto.
1293         (move_complex_constraints): Ditto.
1294         (eliminate_indirect_cycles): Ditto.
1295         (solve_graph): Only propagate changed bits.
1296         Use indirect cycle elimination.
1297         Use find.
1298         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
1299         (tree_id_eq): Renamed to ...
1300         (tree_vi_eq): This. Update for member change
1301         (insert_id_for_tree): Renamed and rewritten to ...
1302         (insert_vi_for_tree): This.
1303         (lookup_id_for_tree): Renamed and rewritten to ...
1304         (lookup_vi_for_tree): This.
1305         (get_id_for_tree): Renamed and rewritten to ...
1306         (get_vi_for_tree): Ditto.
1307         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
1308         (process_constraint): Don't handle INCLUDES.
1309         Remove special ADDRESSOF case.
1310         (find_func_aliases): Rewrite to use vi functions instead of id
1311         ones.
1312         (create_function_info_for): Ditto.
1313         (create_variable_info_for): Ditto.
1314         (intra_create_variable_infos): Ditto.
1315         (merge_smts_into): Ditto.
1316         (find_what_p_points_to): Ditto.
1317         (init_base_vars): Ditto.
1318         (init_alias_vars): Ditto.
1319         (remove_preds_and_fake_succs): New function.
1320         (dump_sa_points_to_info): Dump new stats.
1321         (dump_solution_for_var): Use find.
1322         (set_used_smts): Fix formatting.
1323         (compute_points_to_sets): Updated for new functions.
1324         (ipa_pta_execute): Ditto.
1325
1326 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1327             Richard Sandiford  <richard@codesourcery.com>
1328
1329         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
1330         parallels.
1331         * calls.c (expand_call): If the return value is a PARALLEL,
1332         extract its first member.
1333         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
1334         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1335         use FUNCTION_EXTRA_EPILOGUE.
1336         (m68k_function_value): Return a PARALLEL if the return value
1337         is of a pointer type.
1338         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
1339         (FUNCTION_EXTRA_EPILOGUE): Remove.
1340         * config/m68k/m68k.md (D0_REG): New constant.
1341
1342 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1343
1344         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1345         output a NOP for empty epilogues.
1346
1347 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1348
1349         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
1350         before function.  Extend register save check to include all
1351         registers, not just integer ones.
1352
1353 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1354
1355         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
1356         (m68k_use_return_insn): ...this.
1357         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
1358         * config/m68k/m68k.c (use_return_insn): Rename to...
1359         (m68k_use_return_insn): ...this.
1360         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
1361         of USE_RETURN_INSN.
1362
1363 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1364
1365         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
1366         nearest even, fix denormal rounding overflow.
1367
1368 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1369
1370         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1371         f%$smove and f%$move.
1372         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1373         (extendsfdf2_cf): Use fdmove instead of f%&move.
1374         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1375         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1376
1377 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1378
1379         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1380         GPR<-GPR moves.
1381
1382 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1383
1384         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1385         (coldfire_single_format): Declare.
1386         (coldfire_double_format): Likewise.
1387         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1388         of qnan_msb_set to determine the lower bits of a canonical
1389         NaN significand.
1390         (encode_ieee_double): Likewise.
1391         (encode_ieee_quad): Likewise.
1392         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1393         (mips_single_format): Likewise.
1394         (ieee_double_format): Likewise.
1395         (mips_double_format): Likewise.
1396         (ieee_extended_motorola_format): Likewise.
1397         (ieee_extended_intel_96_format): Likewise.
1398         (ieee_extended_intel_128_format): Likewise.
1399         (ieee_extended_intel_96_round_53_format): Likewise.
1400         (ibm_extended_format): Likewise.
1401         (mips_extended_format): Likewise.
1402         (ieee_quad_format): Likewise.
1403         (mips_quad_format): Likewise.
1404         (vax_f_format): Likewise.
1405         (vax_d_format): Likewise.
1406         (vax_g_format): Likewise.
1407         (i370_single_format): Likewise.
1408         (i370_double_format): Likewise.
1409         (decimal_single_format): Likewise.
1410         (decimal_double_format): Likewise.
1411         (decimal_quad_format): Likewise.
1412         (c4x_single_format): Likewise.
1413         (c4x_extended_format): Likewise.
1414         (real_internal_format): Likewise.
1415         (coldfire_single_format): New real_format.
1416         (coldfire_double_format): Likewise.
1417         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1418         canonical_nan_lsbs_set.
1419         (pdp11_d_format): Likewise.
1420         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1421         if TARGET_COLDFIRE_CPU.
1422
1423 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1424
1425         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1426         (output_call, m68k_legitimize_call_address): Declare.
1427         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1428         parenthesees.  Add support for a 'W' constraint.
1429         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1430         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1431         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1432         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1433         variables.
1434         (override_options): Initialize them.  Do not set flag_no_function_cse
1435         for TARGET_ID_SHARED_LIBRARY.
1436         (m68k_output_pic_call): Delete.
1437         (m68k_legitimize_call_address): New function.
1438         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1439         (output_call): New function.
1440         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1441         target address from the GOT if symbolic jumps are not allowed.
1442         * config/m68k/m68k.md (call, general_operand): Do not set
1443         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1444         Merge separate flag_pic and !flag_pic define_insns into...
1445         (*call, *call_value): ...these new patterns.  Match the address
1446         rather than the containing MEM and require it to be a call_operand.
1447         Use output_call to generate the asm template.
1448         * config/m68k/predicates.md (const_call_operand): New predicate.
1449         (call_operand): Likewise.
1450
1451 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1452
1453         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1454         (STACK_GROWS_DOWNWARD): Define to 1.
1455         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1456         comments, emphasizing that these values are only defaults.
1457         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1458         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1459
1460 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1461
1462         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1463
1464 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1465             Richard Sandiford  <richard@codesourcery.com>
1466
1467         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1468         (FP_REGNO_P): New macros.
1469         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1470         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1471         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1472         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1473
1474 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1475
1476         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1477         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1478         to $tmake_file.
1479         * config/m68k/t-floatlib: New file, extracting common code from...
1480         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1481         * config/m68k/t-uclinux: Here.
1482         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1483         routines on ColdFire targets.
1484
1485 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1486
1487         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1488         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1489         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1490         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1491         explicitly set MOTOROLA to 1.
1492         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1493
1494 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1495             Nathan Sidwell  <nathan@codesourcery.com>
1496
1497         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1498         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1499         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1500         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1501         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1502         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1503         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1504         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1505         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1506         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1507         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1508         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1509         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1510         (DBX_REGISTER_NUMBER): Delete.
1511         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1512         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1513         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1514
1515 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1516
1517         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1518         * config/flat.h: New file.
1519         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1520         OBJECT_FORMAT_FLAT.
1521         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1522         indirect references for -msep-data or -mid-shared-library.
1523         Do not use PC-relative code addresses either.
1524         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1525         to -mpcrel.
1526         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1527         for shared libraries and crt1.o for executables.  Use crti.o and
1528         crtbegin.o.
1529         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1530         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1531         Do not add -elf2flt or -shared-lib-id options here.
1532         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1533         Pass -shared-lib-id if -mid-shared-library, taking the library
1534         identifier from -mshared-library-id if given, otherwise
1535         defaulting to 0.
1536         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1537         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1538         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1539         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1540         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1541         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1542         and crtend.o.
1543         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1544         jump sequence for ISA A and ISA A+.
1545         (PICJUMP): Likewise.
1546
1547 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1548
1549         * config.gcc (m68k-*-uclinux*): Base the port on the common
1550         and m68k GNU/Linux files rather than on the generic ELF ones.
1551         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1552         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1553
1554 2007-01-18  Julian Brown  <julian@codesourcery.com>
1555             Richard Sandiford  <richard@codesourcery.com>
1556
1557         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1558         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1559         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1560         before redefining.
1561         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1562         80 unconditionally.
1563         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1564
1565 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1566
1567         * doc/install.texi: Document m68k-uclinuxoldabi.
1568         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1569         * config/m68k/uclinux-oldabi.h: New file, copied from
1570         config/m68k/uclinux.h.
1571
1572 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1573
1574         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1575         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1576         (m32r_compute_frame_size): Use unsigned for regno.
1577         (m32r_reload_lr): Use gen_frame_mem.
1578         (pop): New.
1579         (m32r_output_function_epilogue): Don't output the function epilogue
1580         textually here.
1581         (m32r_expand_epilogue): New.
1582         (direct_return): Return false if the function has the interrupt
1583         attribute.
1584         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1585         * config/m32r/m32r.md (epilogue): New expander.
1586         (return_lr, return_rte): New insns.
1587         (return): Make it expander.
1588         (return_normal): New expander.
1589
1590 2007-01-18  Josh Conner  <jconner@apple.com>
1591
1592         PR target/30485
1593         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1594         support for UNLE, UNLT, UNGE, and UNGT.
1595
1596 2007-01-18  Jan Hubicka  <jh@suse.cz>
1597
1598         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1599         * tree-tailcall (add_virtual_phis): Likewise.
1600         (optimize_tail_call): Return TODOs.
1601         (execute_tail_calls): Return TODOs.
1602         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1603         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1604         changed.
1605         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1606         Cleanup cfg using TODO.
1607         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1608         * passes.c (execute_function_todo): When cleanup did something, remove
1609         unused locals.
1610         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1611         (make_edges): Don't cleanup_cfg.
1612
1613 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1614
1615         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1616         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1617         operate on the top of stack.
1618         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1619         register handling of instructions that output to the second
1620         stack slot.
1621         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1622         (move_for_stack_reg): Special-case check for dead destination
1623         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1624
1625         * config/i386/i386.md (UNSPEC_TAN): New constant.
1626         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1627         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1628         to correctly model move of constant 1.0 to top stack slot.
1629         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1630         (unnamed peephole2 pattern): Remove corresponding peephole2
1631         pattern that optimizes tan insn and loading of constant 1.0.
1632         (tanxf2): Use fptanxf4_i387.
1633         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1634         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1635         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1636         disable patterns for SSE math.
1637         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1638         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1639
1640 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1641             Richard Guenther <rguenther@suse.de>
1642
1643         PR diagnostic/8268
1644         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1645         * common.opt (Warray-bounds): Add new warning option.
1646         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1647         if -Wall is given.
1648         * Makefile.in: make tree-vrp.o depend on toplev.h
1649         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1650         is enabled.
1651         (check_array_refs, check_array_bounds, check_array_ref): New.
1652
1653 2007-01-18  Jan Hubicka  <jh@suse.cz>
1654
1655         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1656         (execute_ssa_ccp): Return flags conditionally.
1657         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1658         changed.
1659         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1660
1661 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1662
1663         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1664         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1665
1666         * Makefile.c (GTFILES): Add cfglayout.h.
1667         * gengtype.c (open_base_files): Likewise.
1668         * cfglayout.c (cfg_layout_function_footer,
1669         cfg_layout_function_header) Reindent to make gengtype happy.
1670         * cfglayout.h (cfg_layout_function_footer,
1671         cfg_layout_function_header): Add GTY(()) marker.
1672
1673         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1674
1675 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1676
1677         * genautomata.c (write_automata): Include xstrerror output in the
1678         error message if writing the DFA description file fails.
1679
1680 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1681
1682         * config/mips/mips-protos.h (mips_output_external): Make it
1683         return void.
1684         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1685         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1686         (extern_list): Likewise.
1687         (extern_head): Likewise.
1688         (TARGET_ASM_FILE_END): Likewise.
1689         (mips_file_end): Likewise.
1690         (mips_output_external): Rewritten.
1691
1692 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1693
1694         * genpreds.c (write_insn_preds_c): Only write out the function
1695         body for regclass_for_constraint if we have register constraints.
1696
1697 2007-01-17  Tom Tromey  <tromey@redhat.com>
1698
1699         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1700         * doc/install.texi (Testing): Use sourceware.org.
1701         (Binaries): Likewise.
1702         (Specific): Likewise.
1703         * doc/contrib.texi (Contributors): Use sourceware.org.
1704
1705 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1706
1707         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1708         (AVR_ENHANCED): Rename to ...
1709         (AVR_HAVE_MUL): ... new.
1710         (avr_enhanced_p): Rename to ...
1711         (avr_have_mul_p): ... new.
1712         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
1713         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1714         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1715         (avr_have_mul_p): ... new.
1716         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1717         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1718         'avr_enhanced_p' and 'enhanced'.
1719         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
1720         AVR_HAVE_MUL instead of AVR_ENHANCED.
1721         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1722         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
1723         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
1724         instead of AVR_ENHANCED.
1725         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1726         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1727         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1728
1729 2007-01-17  Ian Lance Taylor  <iant@google.com>
1730
1731         * vec.h (VEC_reserve_exact): Define.
1732         (vec_gc_p_reserve_exact): Declare.
1733         (vec_gc_o_reserve_exact): Declare.
1734         (vec_heap_p_reserve_exact): Declare.
1735         (vec_heap_o_reserve_exact): Declare.
1736         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1737         versions.
1738         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1739         negative parameter.
1740         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1741         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1742         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1743         * vec.c (calculate_allocation): Add exact parameter.  Change all
1744         callers.
1745         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1746         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1747         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1748         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1749         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1750         (vec_heap_p_reserve_exact): New function.
1751         (vec_heap_o_reserve_exact): New function.
1752
1753 2007-01-17  Jan Hubicka  <jh@suse.cz>
1754
1755         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1756
1757 2007-01-17  Eric Christopher  <echristo@apple.com>
1758
1759         * config.gcc: Support core2 processor.
1760
1761 2007-01-16  Jan Hubicka  <jh@suse.cz>
1762
1763         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1764         the names, just unlink the chain so we don't crash on dangling pointers
1765         to dead SSA names.
1766
1767 2007-01-16  Jan Hubicka  <jh@suse.cz>
1768
1769         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1770         * tree-pass.h: Reorder to make IPA passes appear toegher.
1771         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1772         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1773         parameters, do not call early inliner.
1774         * ipa-inline.c: Update comments.  Include tree-flow.h
1775         (cgraph_decide_inlining): Do not compute inlining parameters.
1776         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1777         be called with function context set up.
1778         (pass_ipa_inline): Remove unreachable functions before pass.
1779         (cgraph_early_inlining): Simplify assuming to be called from the
1780         PM as local pass.
1781         (pass_early_inline): New pass.
1782         (cgraph_gate_ipa_early_inlining): New gate.
1783         (pass_ipa_early_inline): Turn into simple wrapper.
1784         (compute_inline_parameters): New function.
1785         (gate_inline_passes): New gate.
1786         (pass_inline_parameters): New pass.
1787         (apply_inline): Move here from tree-optimize.c
1788         (pass_apply_inline): New pass.
1789         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1790         transforming.
1791         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1792         doing them by hand.
1793         (tree_function_versioning): Do not allocate dummy struct function.
1794         * tree-inline.h (optimize_inline_calls): Update prototype.
1795         * tree-optimize.c (execute_fixup_cfg): Export.
1796         (pass_fixup_cfg): Remove
1797         (tree_rest_of_compilation): Do not apply inlines.
1798         * tree-flow.h (execute_fixup_cfg): Declare.
1799         * Makefile.in (gt-passes.c): New.
1800         * passes.c: Include gt-passes.h
1801         (init_optimization_passes): New passes.
1802         (nnodes, order): New static vars.
1803         (do_per_function_toporder): New function.
1804         (execute_one_pass): Dump current pass here.
1805         (execute_ipa_pass_list): Don't dump current pass here.
1806
1807 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1808
1809         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1810         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1811
1812 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1813
1814         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1815         (strong_alias): Define.
1816         (__gcc_qmul): Provide non-FMA for soft-float.
1817         (__gcc_qdiv): Same.
1818         (__gcc_qneg): New.
1819         (__gcc_qeq): New.
1820         (__gcc_qle): New.
1821         (__gcc_qge): New.
1822         (__gcc_qunord): New.
1823         (__gcc_stoq): New.
1824         (__gcc_dtoq): New.
1825         (__gcc_qtos): New.
1826         (__gcc_qtod): New.
1827         (__gcc_qtoi): New.
1828         (__gcc_qtou): New.
1829         (__gcc_itoq): New.
1830         (__gcc_utoq): New.
1831         (fmsub): New.
1832         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1833         soft-float functions.
1834         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1835         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1836         about long double soft float.
1837
1838 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1839             Tehila Meyzels  <tehila@il.ibm.com>
1840
1841         * tree-vectorizer.h (is_pattern_stmt_p): New.
1842         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1843         formatting (tabs instead of spaces). Cleanup and clarify setting
1844         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1845         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1846         (vectorizable_type_demotion): Check that types are integral.
1847         (vectorizable_type_promotion): Likewise.
1848         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1849         comments.
1850
1851 2007-01-16  Jan Hubicka  <jh@suse.cz>
1852
1853         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1854         cgraph edges too.
1855
1856 2007-01-15  Eric Christopher  <echristo@apple.com>
1857
1858         * ifcvt.c: Include vec.h, vecprim.h.
1859         (check_cond_move_block): New argument regs.
1860         Reorganize. Add registers used to regs.
1861         (cond_move_process_if_block): Use regs set above as
1862         loop bounds.
1863
1864 2007-01-15  Eric Christopher  <echristo@apple.com>
1865
1866         * config/darwin.h: Update copyright.
1867         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1868         (LINK_COMMAND_SPEC): Add -u.
1869         (LINK_SPEC): Fix umbrella for above.
1870
1871 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1872
1873         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1874         glibc CVS.
1875
1876 2007-01-15  Tom Tromey  <tromey@redhat.com>
1877
1878         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1879         * doc/install.texi (Testing): Don't mention jacks.
1880         (Configuration): Document --enable-java-maintainer-mode.  Move
1881         --with-java-home to libgcj-specific section.  Document
1882         --with-ecj-jar.
1883         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1884
1885 2007-01-15  Jan Hubicka  <jh@suse.cz>
1886
1887         * tree-ssa-dce.c (DCE_TODOs): New.
1888         (propagate_necessity): Return if something changed.
1889         (eliminate_unnecessary_stmts): Likewise.
1890         (perform_tree_ssa_dce): Return TODO flags when needed.
1891         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1892
1893 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1894
1895         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1896         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1897         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1898         patterns using X87MODEF12 mode macro.  Extend operand 1
1899         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1900         (log10<mode>2): Ditto.
1901         (log2<mode>2): Ditto.
1902         (log1p<mode>2): Ditto.
1903         (logb<mode>2): Ditto.
1904         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1905         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1906         (*fxtractxf3_i387): Rename from *fxtractxf3.
1907         (fxtract_extend<mode>xf3_i387): New insn pattern.
1908         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1909         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1910         and gen_fyl2xxf3_i387().
1911
1912 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1913
1914         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1915         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1916         get_loop_exit_edges.  Changed return type to bool.
1917         * cfgloop.h (fix_loop_placement): Declaration removed.
1918
1919 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1920
1921         * param.h (MIN_VECT_LOOP_BOUND): New.
1922         * params.def (MIN_VECT_LOOP_BOUND): New.
1923         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1924         argument - minimum threshold for number of iterations.
1925         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1926         argument to declaration.
1927         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1928         MIN_VECT_LOOP_BOUND.
1929         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1930         slpeel_tree_peel_loop_to_edge with additional argument.
1931         (vect_do_peeling_for_alignment): Likewise.
1932         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1933
1934 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1935
1936         PR target/30413
1937         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1938         operands of size 1.
1939
1940 2007-01-14  Jan Hubicka  <jh@suse.cz>
1941
1942         * tree-dfa.c (remove_referenced_var): New function.
1943         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1944         prune referenced vars list too.
1945         * tree-flow.h (remove_referenced_var): Declare.
1946
1947 2007-01-14  Jan Hubicka  <jh@suse.cz>
1948
1949         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1950         separately.
1951         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1952         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1953         * except.h (verify_eh_throw_table_statements): Kill prototype.
1954         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1955         into call exrepssions.
1956         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1957         eh trhow verifier.
1958         * tree-cfg.c: Include pointer-set.h.
1959         (verify_node_sharing): Work on pointer set.
1960         (verify_eh_throw_stmt_node): New.
1961         (verify_stmts): Use pointers sets, verify throw_stmt.
1962
1963 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1964
1965         * ipa-reference.c (analyze_function): Consider also addresses taken
1966         in phi nodes.
1967
1968 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1969
1970         * c-typeck.c (null_pointer_constant_p): Replace use of
1971         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1972         (build_c_cast): Likewise.
1973
1974 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1975
1976         * tree.h (force_fit_type_double): Remove unused final argument.
1977         * c-common.c (constant_expression_warning): Replace use of
1978         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1979         (convert_and_check): Likewise.
1980         (shorten_compare): Update call to force_fit_type_double.
1981         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1982         * convert.c (convert_to_pointer): Update call to
1983         force_fit_type_double.
1984         * fold-const.c (force_fit_type_double): Remove overflowed_const
1985         argument.
1986         (int_const_binop, fold_convert_const_int_from_int,
1987         fold_convert_const_int_from_real, fold_div_compare,
1988         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1989         fold_abs_const, fold_not_const): Remove the final argument from
1990         calls to force_fit_type_double.
1991
1992 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1993
1994         * configure.ac: Set insn to "nop" for spu-*-* also.
1995         * configure: Regenerate.
1996
1997 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1998
1999         * builtins.def : Add BUILT_IN_FREE.
2000
2001 2007-01-12  Jan Hubicka  <jh@suse.cz>
2002
2003         PR tree-optimization/30443
2004         * tree-inline.c (tree_function_versioning): Do not optimize when
2005         cloning for inlining.
2006
2007 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
2008
2009         * doc/loop.texi: Document recording of loop exits.
2010         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
2011         (update_single_exits_after_duplication,
2012         update_single_exit_for_duplicated_loop,
2013         update_single_exit_for_duplicated_loops): Removed.
2014         (duplicate_loop_to_header_edge): Do not call
2015         update_single_exits_after_duplication and
2016         update_single_exit_for_duplicated_loops.
2017         (loop_version): Do not update single_exit information.
2018         (fix_loop_structure): Use record_loop_exits instead of
2019         mark_single_exit_loops.
2020         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
2021         the lists of loop exits.
2022         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
2023         split_edge, merge_blocks): Update the lists of loop exits.
2024         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
2025         loop_optimizer_init.
2026         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
2027         of mark_single_exit_loops.
2028         (loop_optimizer_finalize): Call release_recorded_exits.
2029         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
2030         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
2031         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
2032         update single exit information.
2033         * lambda-code.c (perfect_nestify): Ditto.
2034         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
2035         (mark_single_exit_loops): Removed.
2036         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
2037         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
2038         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
2039         functions.
2040         (get_loop_exit_edges, single_exit): Use recorded exit lists.
2041         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
2042         (verify_loop_structure): Verify consistency of the exit lists.
2043         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
2044         (set_single_exit): Removed.
2045         * cfgloop.h (struct loop_exit): New function.
2046         (struct loop): single_exit_ field replaced by exits field.
2047         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
2048         (struct loops): Added exits hash.
2049         (mark_single_exit_loops, set_single_exit): Declaration removed.
2050         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
2051
2052 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2053
2054         * doc/invoke.texi: Avoid use of @headitem.
2055
2056 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2057
2058         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
2059
2060 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2061
2062         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
2063         list of targets.
2064
2065 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2066             Richard Sandiford  <richard@codesourcery.com>
2067
2068         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
2069         * config/m68k/m68k.opt: Resort options.
2070         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
2071
2072 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2073             Richard Sandiford  <richard@codesourcery.com>
2074
2075         * doc/invoke.texi: Document the macros that are defined by
2076         m68k's -mtune and -mhard-float options.
2077         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
2078         (m68k_cpp_cpu_family): Likewise.
2079         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
2080         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
2081         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
2082         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
2083         (m68k_cpp_cpu_family): Likewise.
2084
2085 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2086
2087         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
2088         macros besides mc68000 as tuning macros.  Use a switch statement
2089         to set them and mcpu32.
2090
2091 2007-01-12  Julian Brown  <julian@codesourcery.com>
2092
2093         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
2094         (TARGET_68040_ONLY): Rename to...
2095         (TARGET_68040): ...this.
2096         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
2097         * config/m68k/m68k.md: Likewise.
2098
2099 2007-01-12  Julian Brown  <julian@codesourcery.com>
2100             Nathan Sidwell  <nathan@codesourcery.com>
2101             Richard Sandiford  <richard@codesourcery.com>
2102
2103         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
2104         the -mcpu= argument associated with the --with-cpu setting.
2105         Define M68K_DEFAULT_TUNE to the default -mtune= option,
2106         if different from the one implied by the -mcpu setting.
2107         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
2108         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
2109         * doc/invoke.texi: Mention ColdFire in the introduction to the
2110         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
2111         -mno-div and -mhard-float options.  Make -m68881 a synonym for
2112         -mhard-float.  Document the previously-undocumented -m5206e,
2113         -m528x, -m5307 and -m5407 options.  Tweak the existing option
2114         documentation for consistency.
2115         * doc/install.texi: Mention new --with-cpu arguments.
2116         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
2117         default CPU if neither -mcpu nor -march are specified.
2118         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
2119         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
2120         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
2121         using m68k_tune to decide between families that implement the
2122         same ISA.  Use m68k_tune to set __mcfv4e__.
2123         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
2124         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
2125         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
2126         (FL_ISA_C, FL_ISA_MMU): New macros.
2127         (MASK_COLDFIRE): Delete.
2128         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
2129         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
2130         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
2131         (TARGET_HARD_FLOAT): Do not define here.
2132         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
2133         (TUNE_68000): New macro.
2134         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
2135         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
2136         (TUNE_CFV2): Redefine in terms of m68k_tune.
2137         (uarch_type, target_device, fpu_type): New enums.
2138         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
2139         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
2140         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
2141         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
2142         (FL_FOR_isa_c): New macros.
2143         (m68k_isa): New enum.
2144         (m68k_target_selection): New structure.
2145         (all_devices, all_isas, all_microarchs): New tables.
2146         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
2147         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
2148         (MASK_ALL_CPU_BITS): Delete.
2149         (m68k_find_selection): New function.
2150         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
2151         Map the legacy target options to a combination of the new ones.
2152         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
2153         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
2154         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
2155         settings.
2156         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
2157         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
2158         properties.
2159         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
2160         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
2161         * config/m68k/m68k-devices.def: New file.
2162
2163 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2164             Nathan Sidwell  <nathan@codesourcery.com>
2165
2166         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
2167         (SUBTARGET_EXTRA_SPECS): New macros.
2168         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
2169         use %(asm_cpu_spec) instead.
2170         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
2171         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
2172         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
2173         (EXTRA_SPECS): Rename to...
2174         (SUBTARGET_EXTRA_SPECS): ...this.
2175
2176 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2177             Richard Sandiford  <richard@codesourcery.com>
2178             Julian Brown  <julian@codesourcery.com>
2179
2180         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2181         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
2182         to the configuration's default CPU.
2183         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
2184         Remove default masks.
2185         (m680[012]0-*-*): Set the default with_cpu to the first part of
2186         the target name.
2187         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
2188         (m68k*-*-linux): Extend the --with-cpu handling to...
2189         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
2190         and m68010.  Don't set target_cpu_default2.
2191         * doc/install.texi: Document --with-cpu for m68k.
2192         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
2193         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
2194         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
2195         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
2196         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
2197         (ASM_SPEC): Remove use of %(asm_cpu_default).
2198         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
2199         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
2200         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
2201         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
2202         __HAVE_FPU__ if TARGET_HARD_FLOAT.
2203         (TARGET_DEFAULT): Delete.
2204         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
2205         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
2206         (CPP_CPU_SPEC): Delete.
2207         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
2208         the appropriate string.
2209         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
2210         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
2211         (ASM_SPEC): Don't use %(asm_default_spec).
2212         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2213         TARGET_DEFAULT and add MASK_68881.
2214         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
2215
2216 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2217
2218         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
2219         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
2220         MASK_68010 alongside MASK_68020.
2221         * doc/invoke.texi: Document -m68010.
2222         * config/m68k/m68k.opt (m68010): New.
2223         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
2224         if TUNE_68010.
2225         (TUNE_68010): New macro.
2226         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
2227         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
2228         (M68K_CPU_m68332): Add MASK_68010.
2229         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
2230         fallback definition.
2231         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
2232         defines.
2233         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
2234         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
2235         to all entries that use MASK_68020.
2236         (output_move_simode_const, output_move_himode, output_move_qimode)
2237         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
2238         instead of TARGET_68020 to select clr behavior.  Remove comment
2239         about there being no TARGET_68010.
2240         * config/m68k/m68k.md: Likewise throughout.
2241
2242 2007-01-12  Julian Brown  <julian@codesourcery.com>
2243
2244         * config/m68k/m68k.h (TARGET_ISAB): New macro.
2245         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
2246         * config/m68k/m68k.md: Likewise.
2247
2248 2007-01-12  Julian Brown  <julian@codesourcery.com>
2249
2250         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
2251         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
2252
2253 2007-01-12  Julian Brown  <julian@codesourcery.com>
2254
2255         * config/m68k/m68k.h (TUNE_68040_60): New macro.
2256         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
2257         * config/m68k/m68k.md: Likewise.
2258
2259 2007-01-12  Julian Brown  <julian@codesourcery.com>
2260             Richard Sandiford  <richard@codesourcery.com>
2261
2262         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
2263         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
2264         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
2265         TARGET_CPU32.
2266         (TARGET_CPU32): Rename to...
2267         (TUNE_CPU32): ...this.
2268         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
2269         (TUNE_CFV2): New macros.
2270         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
2271         remove conditions that are implied by TARGET_68020.
2272         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
2273         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
2274         (m68k_output_function_epilogue): Likewise.
2275         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
2276         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
2277         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
2278         non-68000 timings.  Refactor multiplication and division costs.
2279         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
2280         TUNE_CPU32 instead of TARGET_CPU32.
2281         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
2282         and TUNE_68060 instead of TARGET_68060.
2283         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
2284         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
2285         TARGET_CPU32.
2286         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
2287         && !TARGET_COLDFIRE" to choose between moveq and clr.
2288         Likewise in the unnamed movsf pattern.
2289         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
2290         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
2291         ashiftrt pattern.
2292
2293 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2294
2295         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
2296         of tabbing before backslashes.
2297
2298 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2299
2300         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
2301         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
2302         (ASM_OUTPUT_INTERNAL_LABEL): Define.
2303
2304 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2305
2306         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
2307         find_interesting_uses_cond.
2308         (find_interesting_uses_cond): Use extract_cond_operands.
2309         (rewrite_use_compare): Use extract_cond_operands and
2310         force_gimple_operand_bsi.  Do not call update_stmt.
2311         (determine_use_iv_cost_condition): Use extract_cond_operands.
2312         Return cheaper of using original bound and changing the exit bound.
2313
2314 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2315
2316         PR tree-optimization/29516
2317         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
2318         most_expensive_mult_to_index, addr_to_parts,
2319         create_mem_ref, maybe_fold_tmr): Make the type of
2320         fields of TARGET_MEM_REF sizetype.
2321         (move_fixed_address_to_symbol, move_pointer_to_base):
2322         New functions.
2323         * tree.def (TARGET_MEM_REF): Add comment on types of
2324         the operands.
2325
2326 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
2327
2328         * c-common.c (vector_types_convertible_p): Treat opaque types as
2329         always convertible if they have the same size, but not otherwise.
2330
2331 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
2332
2333         * ifcvt.c (struct noce_if_info): Add comments to the fields.
2334         Remove the b_unconditional field.
2335         (noce_try_sign_mask): Do not look at b_unconditional.
2336         (noce_process_if_block): Do not use merge_if_blocks.  Update
2337         the CFG here.  Do not set b_unconditional.
2338         (cond_move_process_if_block): Likewise.
2339         (find_cond_trap): Likewise.
2340         (check_cond_move_block): Require simple jump insns at the end
2341         of the basic block.
2342
2343 2007-01-11  Jan Hubicka  <jh@suse.cz>
2344
2345         PR tree-optimization/1046
2346         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
2347         when alias info is not ready.
2348         (pass_tail_recursion): Do not require aliasing.
2349         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
2350         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
2351         * tree-ssa-copy.c (pass_copy_prop): Likewise.
2352         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
2353         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
2354         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
2355         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
2356         before inlining.
2357         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
2358         When aliasing is not build, mark statement as volatile.
2359
2360 2007-01-11  Tom Tromey  <tromey@redhat.com>
2361
2362         PR preprocessor/15185, PR preprocessor/20989:
2363         * doc/cppopts.texi <-MT>: Update description of algorithm for
2364         computing default target.
2365         <-M, -MD>: Reword "basename" text.
2366
2367 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2368
2369         * builtins.c (expand_builtin_pow, expand_builtin_powi,
2370         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2371         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2372         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2373         fold_builtin_bswap, real_constp, fold_builtin_pow,
2374         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2375         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2376         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2377         * convert.c (convert_to_pointer): Likewise.
2378         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2379         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2380         const_binop, fold_convert_const_int_from_int,
2381         fold_convert_const_int_from_real,
2382         fold_convert_const_real_from_real, sign_bit_p,
2383         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2384         fold_sign_changed_comparison, fold_unary, fold_comparison,
2385         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2386         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2387         * print-tree.c (print_node_brief, print_node): Likewise.
2388         * stor-layout.c (place_field, layout_type): Likewise.
2389         * tree-chrec.c (keep_cast): Likewise.
2390         * tree.c (build_vector, build_real, build_real_from_int_cst,
2391         build_complex): Likewise.
2392
2393 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2394
2395         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2396         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2397
2398 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2399
2400         * configure.ac (strict1_warn): Rename to strict_warn.
2401         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2402         cc_set_by_configure, quoted_cc_set_by_configure,
2403         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2404         all_boot_languages, all_stagestuff): Remove.
2405         (target_list): Remove bootstrap targets.
2406         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2407         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2408         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2409         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2410         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2411         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2412         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2413         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2414         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2415         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2416         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2417         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2418         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2419         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2420         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2421         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2422         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2423         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2424         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2425         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2426         (mostlyclean): Adjust.
2427         (clean, distclean): Don't mention bootstrap stuff.
2428         * configure: Regenerate.
2429         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2430         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2431         treelang/config-lang.in (stagestuff): Remove.
2432         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2433         stageprofile, stagefeedback, stagestuff): Remove mention.
2434
2435 2007-01-11  Nick Clifton  <nickc@redhat.com>
2436
2437         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2438         Accept CONSTs.
2439         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2440         (mcore_arith_K_S_operand): Run the test for the S constraint not
2441         the test for the M constraint.
2442         (mcore_addsub_operand): Do not accept integer values that are
2443         larger than 32 bits.
2444         * config/mcore/mcore.md: Remove unused constraints from split.
2445         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2446         (addsi3): Likewise.
2447         (allocate_stack): Likewise.
2448         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2449         operands to 32 bits.
2450         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2451         INTVAL.
2452         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2453         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2454         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2455         mcore_output_bclri, mcore_output_andn, output_inline_const,
2456         mcore_output_move, mcore_output_movedouble): Likewise.
2457         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2458         (output_inline_const): Likewise.
2459         (output_inline_const): Fix format strings used in sprintf
2460         statements.
2461         * config/mcore/mcore-protos.h: Update prototypes for changed
2462         functions in mcore.c.
2463         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2464         HOST_WIDE_INT and not int.
2465         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2466         CONST_OK_FOR_N): Likewise.
2467         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2468         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2469         an INTVAL.
2470
2471 2007-01-10  Jan Hubicka  <jh@suse.cz>
2472
2473         * tree-vrp.c (remove_range_assertions): Release defs.
2474         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2475         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2476
2477 2007-01-10  Paul Brook  <paul@codesourcery.com>
2478
2479         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2480         * config/arm/arm.md (mulsi3subsi): New insn.
2481
2482 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2483
2484         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2485         (tree_transform_and_unroll_loop): New.
2486         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2487         Declare.
2488
2489 2007-01-10  Robert Kennedy <jimbob@google.com>
2490
2491         * fold-const.c (fold_comparison): Fold comparisons like (x *
2492         1000 < 0) to (x < 0).
2493
2494 2007-01-10  Ian Lance Taylor  <iant@google.com>
2495
2496         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2497         operands have the same priority.
2498
2499 2007-01-10  Tom Tromey  <tromey@redhat.com>
2500
2501         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2502         (fold_binary): Likewise.
2503         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2504         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2505         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2506         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2507         * langhooks.h (struct lang_hooks): Removed field
2508         'can_use_bit_fields_p'.
2509
2510 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2511
2512         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2513
2514 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2515
2516         * function.c (get_last_funcdef_no): New function.
2517         * function.h (get_last_funcdef_no): Declare.
2518         * tree-inline.c (initialize_cfun): Add initialization.
2519         (tree_function_versioning): Cleanup.
2520
2521 2007-01-10  Jan Hubicka  <jh@suse.cz>
2522
2523         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2524         PHIs.
2525
2526 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2527             Ben Elliston  <bje@au.ibm.com>
2528
2529         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2530         for SAVE_NONLOCAL and Pmode for any other save level.
2531         * spu-protos.h (spu_restore_stack_block): Declare.
2532         * spu.md (save_stack_block): Remove.
2533         (restore_stack_block): Call spu_restore_stack_block.
2534         * spu.c (spu_restore_stack_block): New function.
2535         (spu_expand_epilogue): Remove old comment.
2536
2537 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2538
2539         PR tree-optimization/30322
2540         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2541         (cand_value_at): Return the value as aff_tree.
2542         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2543         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2544         aff_combination_mult): New functions.
2545         (aff_combination_add): Use aff_combination_add_cst.
2546         (aff_combination_convert): Allow conversions to a wider type.
2547         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2548         * tree-affine.h (aff_combination_mult): Declare.
2549
2550 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2551
2552         * doc/tm.texi: Update documentation to reflect reality of exec
2553         and start file search behaviours. Update copyright year.
2554         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2555         header file directories.
2556
2557 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2558
2559         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2560         (*cosxf2): Rename to cosxf2_i387.
2561         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2562         using X87MODEF12 mode macro. Rename patterns to
2563         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2564         for SSE math.
2565         (*cosdf2, *cossf2): Ditto.
2566         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2567         to match extended input operands.
2568         (sincos<mode>3): New expander.
2569         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2570         insn patterns and corresponding splitters.
2571
2572 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2573
2574         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2575         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2576
2577 2007-01-09  Nicolas Pitre  <nico@cam.org>
2578
2579         PR target/30173
2580         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2581
2582 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2583
2584         * target.h (struct gcc_target): New field library_rtti_comdat.
2585         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2586         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2587         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2588         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2589
2590 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2591
2592         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2593
2594 2007-01-08  Richard Guenther  <rguenther@suse.de>
2595
2596         * tree.h (force_fit_type_double): Export.
2597         (force_fit_type): Remove.
2598         * fold-const.c (force_fit_type_double): New function.
2599         (force_fit_type): Remove.
2600         (int_const_binop): Use it.
2601         (fold_convert_const_int_from_int): Likewise.
2602         (fold_convert_const_int_from_real): Likewise.
2603         (fold_div_compare): Likewise.
2604         (fold_sign_changed_comparison): Likewise.
2605         (fold_unary): Likewise.
2606         (fold_negate_const): Likewise.
2607         (fold_abs_const): Likewise.
2608         (fold_not_const): Likewise.
2609         * c-common.c (shorten_compare): Use force_fit_type_double.
2610         * convert.c (convert_to_pointer): Likewise.
2611
2612 2007-01-08  Richard Guenther  <rguenther@suse.de>
2613
2614         * tree.h (build_int_cst_wide_type): Export.
2615         * tree.c (build_int_cst_wide_type): New function.
2616         (build_int_cst_wide): Fix comment.
2617         * builtins.c (fold_builtin_object_size): Use build_int_cst
2618         to build -1 or 0 of the correct type.  Use fit_double_type
2619         to check for overflow.
2620         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2621         to build the mask.
2622         (decode_field_reference): Likewise.
2623         (all_ones_mask_p): Likewise.
2624         (native_interpret_int): Use build_int_cst_wide_type.
2625         (fold_binary): Use build_int_cst_type to build an all-ones
2626         value.
2627         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2628
2629 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2630
2631         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2632
2633 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2634
2635         * genautomata.c (STATS_OPTION): New option.
2636         (stats_flag): New flag.
2637         (gen_automata_option): Handle it.
2638         (initiate_automaton_gen): Ditto.
2639         (write_automata): Output statistics only if stats_flag is
2640         set. Likewise, output time statistics only if time_flag is set.
2641         * doc/md.texi (Processor pipeline description): Document new flag.
2642
2643 2007-01-08  Richard Guenther  <rguenther@suse.de>
2644
2645         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2646         * tree.c (build_int_cst_type): Likewise.
2647         (size_in_bytes): Don't call force_fit_type on the result.
2648         (int_fits_type_p): Use fit_double_type.
2649         * fold-const.c (fit_double_type): New function.
2650         (force_fit_type): Use it.
2651         * tree.h (fit_double_type): Export.
2652
2653 2007-01-08  Jan Hubicka  <jh@suse.cz>
2654
2655         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2656         * ipa.c (function_and_variable_visibility): Fix return type.
2657
2658 2007-01-08  Richard Guenther  <rguenther@suse.de>
2659
2660         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2661         of offset to build the index.
2662         * tree-pretty-print.c (dump_generic_node): Don't build negated
2663         const just for printing.
2664         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2665         * builtins.c (fold_builtin_int_roundingfn): Check if result
2666         fits the type by using force_fit_type and comparing the result.
2667         * predict.c (predict_loops): Use compare_tree_int for comparison.
2668         * tree.c (build_int_cst): Fall back to integer_type_node for
2669         NULL_TREE type.
2670         (build_int_cst_wide): Assert type is non-null.
2671
2672 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2673
2674         * tree-vrp.c (extract_range_from_cond_expr): New.
2675         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2676         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2677         as expressions.
2678         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2679         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2680         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2681         used as expressions.
2682         * tree-object-size.c (cond_expr_object_size): New.
2683         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2684
2685 2007-01-08  Jan Hubicka  <jh@suse.cz>
2686
2687         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2688         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2689         statement.
2690
2691 2007-01-08  Richard Guenther  <rguenther@suse.de>
2692
2693         PR tree-optimization/23603
2694         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2695         (extract_range_from_binary): Fall back to truthvalue instead of
2696         varying for TRUTH_*_EXPR.
2697         (extract_range_from_comparison): Fall back to truthvalue instead of
2698         varying.
2699         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2700         if all visited PHI values were constant.
2701
2702 2007-01-08  Jan Hubicka  <jh@suse.cz>
2703
2704         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2705         (cgraph_analyze_function): break out from ...
2706         (cgraph_finalize_compilation_unit): ... here.
2707         (cgraph_expand_function): Remove forgoten commented out line.
2708         (cgraph_optimize): Analyze functions.
2709
2710 2007-01-08  Jan Hubicka  <jh@suse.cz>
2711
2712         * tree-pas.h (TODO_remove_function): New flag.
2713         (TODO_update*): Renumber.
2714         (pass_ipa_increase_alignment,
2715         pass_ipa_function_and_variable_visibility): New passes.
2716         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2717         (cgraph_function_and_variable_visibility): Move to ipa.c
2718         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2719         cgraph_increase_alignment.
2720         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2721         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2722         calling tree-inline.
2723         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2724         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2725         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2726         (gate_increase_alignment): New function.
2727         (pass_ipa_increase_alignment): New pass.
2728         * ipa.c: Inline tree-pass.h and timevar.h
2729         (function_and_variable_visibility): Move here from cgraphunit.c
2730         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2731         * passes.c (init_optimization_passes): Add the two new passes.
2732         (execute_todo): Handle cgraph_remove_functions.
2733
2734 2007-01-08  Nick Clifton  <nickc@redhat.com>
2735
2736         * config/frv/predicates.md (reg_or_0_operand): Accept
2737         CONST_DOUBLEs.
2738
2739 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2740
2741         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2742         * config.gcc: Add bfin*-rtems*.
2743
2744 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2745
2746         * c.opt: Add -flax-vector-conversions.
2747         * c-typeck.c (convert_for_assignment): Pass flag to
2748         vector_types_convertible_p to allow emission of note.
2749         (digest_init): Likewise.
2750         * c-opts.c: Handle -flax-vector-conversions.
2751         * c-common.c (flag_lax_vector_conversions): New.
2752         (vector_types_convertible_p): Unless -flax-vector conversions
2753         has been passed, disallow conversions between vectors with
2754         differing numbers of subparts and/or element types.  If such
2755         a conversion is disallowed, possibly emit a note on the first
2756         occasion only to inform the user of -flax-vector-conversions.
2757         The new last argument specifies this.
2758         * c-common.h (flag_lax_vector_conversions): New.
2759         (vector_types_convertible_p): Add extra argument.
2760         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2761         char_type_node for V*QI type vectors.
2762         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2763         Update to satisfy new typechecking rules.
2764         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2765         C and C++ variants.
2766         * doc/invoke.texi (C Dialect Options): Document
2767         -flax-vector-conversions.
2768
2769 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2770
2771         PR tree-optimization/29877
2772         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2773         a register variable on the RHS to not be replaceable.
2774
2775 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2776         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2777         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2778         const_simm15, const_pow2, const_npow2): Added.
2779         * config/score/misc.md (insv, extv, extzv, movmemsi,
2780         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2781         * config/score/score.c (score_address_cost, score_select_cc_mode):
2782         Added.
2783         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2784         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2785         Update score_print_operand.
2786         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2787         Adjust register allocate order and update some macro define.
2788         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2789         mdx_block_move_straight, mdx_block_move_loop_head,
2790         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2791         mdx_block_move): Added.
2792         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2793         mdp_limm): Updated and fix some bug and typo.
2794         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2795         (movsf, movdf, doloop_end): Added.
2796
2797 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2798
2799         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2800         config/arm/thumb2.md: Fix comment typos.
2801         * doc/extend.texi: Fix a typo.
2802
2803 2007-01-07  Eric Christopher  <echristo@apple.com>
2804
2805         * configure.ac: Check for __stack_chk_fail for darwin.
2806         * configure: Regenerate.
2807
2808 2007-01-07  Richard Guenther  <rguenther@suse.de>
2809
2810         * tree-vrp.c (extract_range_from_assert): CSE calls to
2811         compare_values where possible.
2812         (extract_range_from_unary_expr): Likewise.
2813
2814 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2815
2816         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2817         * config/avr/avr.c (call_insn_operand): Delete function.
2818         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2819         instead of register number. Use predicates.
2820         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2821         call_insn_operand): Add.
2822
2823 2007-01-06  Jan Hubicka  <jh@suse.cz>
2824
2825         * tree-pass.h (pass_build_cgraph_edges): Declare.
2826         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2827         (visited_nodes): Remove.
2828         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2829         build_cgrpah_edges; make visited_nodes local.
2830         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2831         (record_references_in_initializer): Move to cgraphbuild.c
2832         (initialize_inline_failed, rebuild_cgraph_edges,
2833         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2834         (verify_cgraph_node): Make visited_nodes local.
2835         (cgraph_analyze_function): Do not call cgraph_create_edges and
2836         initialize_inline_failed.
2837         (cgraph_expand_function): Do not call cgraph_lower_function;
2838         assert that function is already lowered.
2839         * Makefile.in (cgraphbuild.o): New.
2840         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2841         at the end of lowering passes.
2842
2843 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2844
2845         * ifcvt.c (cond_move_convert_if_block): New function, code
2846         factored out from...
2847         (cond_move_process_if_block): ...here.  Call the new function
2848         on the THEN and ELSE blocks.
2849         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2850         already takes care of this.
2851
2852 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2853
2854         PR c/19978
2855         * tree.h (TREE_OVERFLOW_P): New.
2856         * c-typeck.c (parser_build_unary_op): Warn only if result
2857         overflowed and operands did not.
2858         (parser_build_binary_op): Likewise.
2859         (convert_for_assignment): Remove redundant overflow_warning.
2860         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2861
2862 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2863
2864         * c-typeck.c (store_init_value): Split over two lines to follow
2865         the GNU coding style.
2866
2867 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2868
2869         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2870         __GXX_EXPERIMENTAL_CXX0X__.
2871         * doc/cpp.texi: Same.
2872
2873 2007-01-05  Richard Guenther  <rguenther@suse.de>
2874
2875         PR middle-end/27826
2876         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2877         with mismatched types.  Instead explicitly build a
2878         conversion NOP_EXPR.
2879
2880 2007-01-05  Ian Lance Taylor  <iant@google.com>
2881
2882         * c-common.c (decl_with_nonnull_addr_p): New function.
2883         (c_common_truthvalue_conversion): Call it.
2884         * c-typeck.c (build_binary_op): Likewise.
2885         * c-common.h (decl_with_nonnull_addr_p): Declare.
2886
2887 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2888
2889         PR c/30360
2890         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2891         denom against 0.0.
2892
2893 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2894
2895         * doc/install.texi (Final install): Document the fact that
2896         the GNAT runtime should not be stripped.
2897
2898 2007-01-04  Jan Hubicka  <jh@suse.cz>
2899
2900         * tree-inline.c (fold_marked_statements): Update operand caches
2901         and EH after folding
2902
2903 2007-01-04  Ian Lance Taylor  <iant@google.com>
2904
2905         * c-common.c (check_function_nonnull): Whitespace fix.
2906
2907 2007-01-04  Jan Hubicka  <jh@suse.cz>
2908
2909         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2910         comitted older version of patch.
2911         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2912         function, celanup cfg and collect garbage.
2913
2914 2007-01-04  Mike Stump  <mrs@apple.com>
2915
2916         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2917         (clean): Likewise.
2918
2919 2007-01-04  Eric Christopher  <echristo@apple.com>
2920
2921         * libgcc2.c (__bswapsi2): Use SItype.
2922         (__bswapdi2): Use DItype.
2923         * libgcc2.h: Update for above.
2924
2925 2007-01-04  Paul Brook  <paul@codesourcery.com>
2926
2927         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2928         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2929         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2930         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2931         umulsi3_highpart): Make conditional on !arm_arch6.
2932         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2933         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2934         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2935         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2936         umulsi3_highpart_v6): New insns.
2937
2938 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2939
2940         * fold-const.c (fold_convert): When casting an expression to void,
2941         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2942         have a type.  Instead of attempting to build a NOP_EXPR, return
2943         these "special" trees directly.
2944
2945 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2946
2947         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2948         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2949         rs6000_cost->fp not 0 as adjustment for outer NEG.
2950
2951 2007-01-04  Jan Hubicka  <jh@suse.cz>
2952
2953         * cgraph.c (cgraph_release_function_body): New function.
2954         (cgraph_remove_node): Use it.
2955         * cgraph.h (cgraph_release_function_body): Declare.
2956         * cgraphunit.c (cgraph_expand_function): Use it.
2957         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2958         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2959         is initialized and while compilation of other function is running.
2960         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2961         statement CFG annotations from here to ...
2962         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2963
2964 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2965
2966         * cfgloop.h (enum li_flags): Make the constants powers of two.
2967
2968 2007-01-04  Jan Hubicka  <jh@suse.cz>
2969
2970         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2971         set.
2972         (fold_marked_statements): New function.
2973         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2974         * tree-inline.h (copy_body_data): Add statements_to_fold.
2975
2976 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2977
2978         * config.gcc: Mention libgcc/config.host.
2979         * Makefile.in: Update comments mentioning libgcc.
2980         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2981         (all.cross, start.encap, rest.encap, rest.cross): Update
2982         dependencies for libgcc move.
2983         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2984         (clean-target, clean-target-libgcc): Delete.
2985         (srcdirify, GCC_EXTRA_PARTS): New macros.
2986         (libgcc-support, libgcc.mvars): New rules.
2987         (distclean): Remove mention of mklibgcc.
2988         (install): Don't reference INSTALL_LIBGCC.
2989         (install-common): Don't reference EXTRA_PARTS.
2990         (install-libgcc, install-multilib): Delete rules.
2991         * mklibgcc.in: Delete file.
2992         * doc/configfiles.texi: Don't mention mklibgcc.
2993
2994         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2995         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2996         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2997         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2998         (mklibgcc, ldblspecs): Likewise.
2999
3000         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
3001         (posixpre.def): Use $(T).
3002         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
3003         (SHLIB_SRC, SHLIB_INSTALL): Delete.
3004         (SHLIB_LINK): Make dummy.
3005         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
3006
3007         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
3008
3009         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
3010         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
3011         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
3012         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
3013
3014         * configure.ac (all_outputs): Remove mklibgcc.
3015         * configure: Regenerated.
3016
3017 2007-01-03  Josh Conner  <jconner@apple.com>
3018
3019         PR middle-end/29683
3020         * calls.c (compute_argument_addresses): Set stack and stack_slot
3021         for partial args, too.
3022         (store_one_arg): Use locate.size.constant for the size when
3023         generating a save_area.
3024
3025 2007-01-03  Robert Kennedy <jimbob@google.com>
3026
3027         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
3028         whose definitions are deleted due to basic block merging.
3029
3030 2007-01-03  Paul Brook  <paul@codesourcery.com>
3031
3032         PR target/16634
3033         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
3034         functions.
3035         (use_return_insn): Return 0 for Thumb interrupt functions.
3036         (print_multi_reg): Add rfe argument for IRQ returns.
3037         (arm_output_epilogue): Pop interrupt return address directly into PC.
3038         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
3039
3040 2007-01-03  Paul Brook  <paul@codesourcery.com>
3041
3042         Merge from sourcerygxx-4_1.
3043         * config/arm/thumb2.md: New file.
3044         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
3045         Thumb-2.
3046         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
3047         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3048         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
3049         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
3050         tables.
3051         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3052         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
3053         comptibility.
3054         * config/arm/ieee754-sf.S: Ditto.
3055         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
3056         (thumb1_base_register_rtx_p): ... to this.
3057         (thumb_index_register_rtx_p): Rename...
3058         (thumb1_index_register_rtx_p): ... to this.
3059         (thumb_output_function_prologue): Rename...
3060         (thumb1_output_function_prologue): ... to this.
3061         (thumb_legitimate_address_p): Rename...
3062         (thumb1_legitimate_address_p): ... to this.
3063         (thumb_rtx_costs): Rename...
3064         (thumb1_rtx_costs): ... to this.
3065         (thumb_compute_save_reg_mask): Rename...
3066         (thumb1_compute_save_reg_mask): ... to this.
3067         (thumb_final_prescan_insn): Rename...
3068         (thumb1_final_prescan_insn): ... to this.
3069         (thumb_expand_epilogue): Rename...
3070         (thumb1_expand_epilogue): ... to this.
3071         (arm_unwind_emit_stm): Rename...
3072         (arm_unwind_emit_sequence): ... to this.
3073         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
3074         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
3075         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
3076         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
3077         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
3078         thumb2_output_casesi): New functions.
3079         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
3080         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
3081         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
3082         THUMB2_WORK_REGS): Define.
3083         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
3084         arm_condexec_mask, arm_condexec_masklen)): New variables.
3085         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
3086         (arm_override_options): Check new CPU capabilities.
3087         Set new architecture flag variables.
3088         (arm_isr_value): Handle v7m interrupt functions.
3089         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
3090         Thumb-2.
3091         (const_ok_for_arm): Handle Thumb-2 constants.
3092         (arm_gen_constant): Ditto.  Use movw when available.
3093         (arm_function_ok_for_sibcall): Return false for v7m interrupt
3094         functions.
3095         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
3096         (thumb_find_work_register, arm_load_pic_register,
3097         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
3098         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
3099         print_multi_reg, output_mov_long_double_fpa_from_arm,
3100         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
3101         output_mov_double_fpa_from_arm, output_move_double,
3102         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
3103         output_return_instruction, arm_output_function_prologue,
3104         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
3105         arm_output_mi_thunk, thumb_set_return_address): Ditto.
3106         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
3107         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
3108         (arithmetic_instr, shift_op): Use arm_shift_nmem.
3109         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
3110         '!' and 'L'.
3111         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
3112         (thumb_expand_prologue): Use thumb_set_frame_pointer.
3113         (arm_file_start): Output directive for unified syntax.
3114         (arm_unwind_emit_set): Handle stack alignment instruction.
3115         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
3116         Add v6t2, v7, v7a, v7r and v7m.
3117         (RETLDM): Add Thumb-2 code.
3118         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
3119         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
3120         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
3121         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
3122         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
3123         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
3124         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
3125         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
3126         ADJUST_INSN_LENGTH): Define.
3127         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
3128         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
3129         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
3130         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
3131         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3132         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
3133         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
3134         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
3135         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
3136         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
3137         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
3138         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
3139         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
3140         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
3141         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
3142         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
3143         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
3144         cortex-m3.
3145         * config/arm/arm-tune.md: Regenerate.
3146         * config/arm/arm-protos.h: Update prototypes.
3147         * config/arm/vfp.md: Enable patterns for Thumb-2.
3148         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
3149         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
3150         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
3151         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
3152         * config/arm/libunwind.S: Add Thumb-2 code.
3153         * config/arm/constraints.md: Update include Thumb-2.
3154         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
3155         * config/arm/ieee754-df.S: Ditto.
3156         * config/arm/bpabi.S: Ditto.
3157         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
3158         * config/arm/predicates.md (low_register_operand,
3159         low_reg_or_int_operand, thumb_16bit_operator): New.
3160         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
3161         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
3162         * config/arm/t-arm-elf: Add armv7 multilib.
3163         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
3164         Include thumb2.md.
3165         (UNSPEC_STACK_ALIGN, ce_count): New.
3166         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
3167         arm_zero_extendsidi2, arm_zero_extendqidi2): New
3168         insns/expanders.
3169         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
3170         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
3171         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
3172         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
3173         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
3174         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
3175         insns.
3176         * doc/extend.texi: Document ARMv7-M interrupt functions.
3177         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
3178
3179 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
3180
3181         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
3182         (struct _Unwind_Context): Rename args_size to flags, remove
3183         signal_frame field, add a new args_size field and version field.
3184         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
3185         _Unwind_IsExtendedContext): New inline functions.
3186         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3187         Assume by_value array is only present if _Unwind_IsExtendedContext.
3188         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
3189         _Unwind_IsSignalFrame.
3190         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
3191         (uw_update_context_1): Use _Unwind_SetSignalFrame.
3192         (uw_init_context_1): Initialize context->flags to
3193         EXTENDED_CONTEXT_BIT.
3194         * config/rs6000/linux-unwind.h (frob_update_context): Use
3195         _Unwind_SetSignalFrame.
3196
3197 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3198
3199         PR middle-end/30353
3200         * gimplify.c (gimplify_modify_expr_complex_part): Move below
3201         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
3202         the value.
3203
3204 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
3205
3206         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
3207         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
3208         RET, AT_SP): Remove.
3209         * config/i386/i386.md (*sse_prologue_save_insn): Use return
3210         instead of RET.
3211
3212         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3213         * cfgbuild.c (find_basic_blocks): Likewise.
3214         * cfgrtl.c (rtl_create_basic_block): Likewise.
3215         * function.c (temp_slots_at_level): Likewise.
3216         * reg-stack.c (stack_regs_mentioned): Likewise.
3217         * regclass.c (allocate_reg_info): Likewise.
3218         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3219         set_bb_for_stmt, move_block_to_fn): Likewise.
3220         * tree-complex.c (tree_lower_complex): Likewise.
3221         * vec.h (VEC_safe_grow_cleared): New.
3222
3223         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
3224
3225 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
3226
3227         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
3228         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
3229         to loop_version.
3230         * cfgloopmanip.c (scale_loop_frequencies): Export.
3231         (loopify): Scale the frequencies by prescribed coefficients.
3232         (set_zero_probability): New function.
3233         (duplicate_loop_to_header_edge): Improve updating of frequencies.
3234         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
3235         and frequencies according to arguments.
3236         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
3237         correctly.
3238         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
3239         * modulo-sched.c (sms_schedule): Set probabilities for entering
3240         versioned loop correctly.
3241         * tree-vect-transform.c (vect_transform_loop): Ditto.
3242         * cfgloop.h (loopify, loop_version): Declaration changed.
3243         (scale_loop_frequencies): Declared.
3244
3245 2007-01-02  Jan Hubicka  <jh@suse.cz>
3246
3247         * cgraph.c: Include tree-flow.h
3248         (cgraph_add_new-function): Handle IPA_SSA mode; execute
3249         early_local_passes.
3250         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
3251         * tree-pass.h (pass_all_early_optimizations): Declare.
3252         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
3253         early_local_passes.
3254         (cgraph_analyze_function): Do early_local_passes.
3255         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3256         Do not add referenced vars.
3257         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
3258         SSA form.
3259         (gate_all_early_local_passes): New gate.
3260         (pass_early_local_passes): Use new gate.
3261         (execute_early_local_optimizations): New functions.
3262         (gate_all_early_optimizations): New gate.
3263         (pass_all_early_optimizations): New pass.
3264         (execute_free_datastructures): Free SSA only when initialized.
3265         (gate_init_datastructures): Init only when optimizing.
3266         (tree_lowering_passes): Do early local passes when called late.
3267         * tree-profile.c (do_tree_profiling): Don't profile functions added
3268         late.
3269         (do_early_tree_profiling, pass_early_tree_profile): Kill.
3270         * tree-cfg.c (update_modified_stmts): Do not update when operands are
3271         not active.
3272         * passes.c (init_optimizations_passes): Reorder so we go into SSA
3273         during early_local_passes.
3274         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
3275
3276
3277 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3278
3279         * Makefile.in: Update copyright year.
3280
3281 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3282
3283         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
3284         in $(lang_checks) and check-consistency targets.
3285
3286 2007-01-02  Jan Hubicka  <jh@suse.cz>
3287
3288         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3289         Do not add referenced vars.
3290         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
3291         are not active.
3292         * passes.c (init_optimization_passes): Put mudflap_2 after
3293         free_datastructures.
3294
3295 2007-01-02  Jan Hubicka  <jh@suse.cz>
3296
3297         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
3298         Set NOTHROW flag on call statements proved to be nothrow.
3299         Update statement of local calls so new pure/const functions are
3300         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
3301         goto receivers.
3302         (tree_rest_of_compilation): Register hooks and initialize bitmap
3303         early. Do not set after_inlining flag.
3304
3305 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
3306
3307         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
3308         HOST_BITS_PER_LONGLONG
3309
3310 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3311
3312         PR c/19977
3313         * c-typeck.c (store_init_value): Don't emit pedantic overflow
3314         warning for non-static initializers.
3315
3316 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
3317
3318         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
3319         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
3320         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
3321         Always use set_unique_reg_note to add REG_EQUAL notes.
3322
3323 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3324
3325         Revert:
3326         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3327
3328         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3329         * cfgbuild.c (find_basic_blocks): Likewise.
3330         * cfgrtl.c (rtl_create_basic_block): Likewise.
3331         * function.c (temp_slots_at_level): Likewise.
3332         * reg-stack.c (stack_regs_mentioned): Likewise.
3333         * regclass.c (allocate_reg_info): Likewise.
3334         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3335         set_bb_for_stmt, move_block_to_fn): Likewise.
3336         * tree-complex.c (tree_lower_complex): Likewise.
3337         * vec.h (VEC_safe_grow_cleared): New.
3338
3339 2007-01-02  Ian Lance Taylor  <iant@google.com>
3340
3341         * c-common.c (c_common_truthvalue_conversion): When warning about
3342         using an assignment as a truth value, set TREE_NO_WARNING.
3343
3344 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3345
3346         PR middle-end/7651
3347         * c.opt (Wold-style-declaration): New.
3348         * doc/invoke.texi (C-only Warning Options): New.
3349         (Wold-style-declaration): Document it.
3350         (Wextra): Enabled by -Wextra.
3351         * c-opts.c (c_common_post_options): Enabled by -Wextra.
3352         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
3353         -Wold-style-declaration.
3354
3355 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3356
3357         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3358         * cfgbuild.c (find_basic_blocks): Likewise.
3359         * cfgrtl.c (rtl_create_basic_block): Likewise.
3360         * function.c (temp_slots_at_level): Likewise.
3361         * reg-stack.c (stack_regs_mentioned): Likewise.
3362         * regclass.c (allocate_reg_info): Likewise.
3363         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3364         set_bb_for_stmt, move_block_to_fn): Likewise.
3365         * tree-complex.c (tree_lower_complex): Likewise.
3366         * vec.h (VEC_safe_grow_cleared): New.
3367
3368 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
3369
3370         * c-common.c (c_common_nodes_and_builtins): Since variants of
3371         void_type_node get built before it is given a name, we need to
3372         give those variants the name, too.
3373         (complete_array_type): We need to work with the canonical main
3374         type of the array, from which we will build the qualified version.
3375         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3376         * print-tree.c (print_node): Display canonical type information
3377         for each type.
3378         * stor-layout.c (layout_type): When we don't know the
3379         alignment of a type for which we're building an array, we end up
3380         guessing wrong, so make the type require structural equality.
3381         * tree.c (make_node_stat): When we build a new type, it is its
3382         own canonical type.
3383         (build_type_attribute_qual_variant): When building an attribute
3384         variant, its canonical type is the non-attribute variant. However,
3385         if the attributes are target-dependent and they differ, we need to
3386         use structural equality checks for this type.
3387         (build_qualified_type): A qualified type is not equivalent to its
3388         unqualified variant; set the canonical type appropriately.
3389         (build_distinct_type_copy): When building a distinct type from
3390         another type, the new type is its own canonical type.
3391         (build_variant_type_copy): When building a new type variant, we
3392         assume that it is equivalent to the original type.
3393         (build_pointer_type_for_mode): When building a pointer type, also
3394         build a canonical type pointer.
3395         (build_reference_type_for_mode): When building a reference type,
3396         also build a canonical type reference.
3397         (build_index_type): When we can't hash an index type (e.g.,
3398         because its maximum value is negative), the index type requires
3399         structural equality tests.
3400         (build_array_type): Build the canonical form of an array type.
3401         (build_function_type): Function types require structural equality,
3402         because they contain default arguments, attributes, etc.
3403         (build_method_type_directly): Ditto for method types.
3404         (build_offset_type): Build the canonical offset type.
3405         (build_complex_type): Build the canonical vector type.
3406         (make_vector_type): Build the canonical vector type.
3407         * tree.h (TYPE_CANONICAL): New.
3408         (TYPE_STRUCTURAL_EQUALITY_P): New.
3409         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3410         (struct tree_type): Added "canonical" field.
3411         * params.h (VERIFY_CANONICAL_TYPES): New.
3412         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3413         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3414         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3415         * doc/invoke.texi (verify-canonical-types): Document --param
3416         parameter for verifying canonical types.
3417
3418 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3419
3420         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3421         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3422         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3423         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3424         tm_file.
3425         * config/rs6000/e500.h: New.
3426         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3427         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3428         Remove.
3429         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3430         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3431         TARGET_E500_DOUBLE): Remove.
3432         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3433         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3434         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3435         * config/rs6000/rs6000.c (rs6000_override_options): Use
3436         CHECK_E500_OPTIONS.
3437
3438 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3439
3440         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3441         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3442         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3443         rs6000_emit_cmove): Don't check TARGET_E500.
3444         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3445         sordered): Don't check TARGET_E500.
3446
3447 2007-01-01  Eric Christopher  <echristo@apple.com>
3448
3449         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3450         HARD_REGISTER_NUM_P.
3451
3452 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3453
3454         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3455         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3456         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3457         eq/ne Y".
3458
3459 2007-01-01  Mike Stump  <mrs@apple.com>
3460
3461         * configure.ac: Remove support for building with Apple's gcc-3.1.
3462
3463 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3464
3465         PR middle-end/30311
3466         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3467         REG is a hard register.  Do not modify REG before calling
3468         subreg_nregs.
3469         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3470         multiple of the size of YMODE for certain lowpart cases.
3471
3472 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3473
3474         PR middle-end/30253
3475         * gimplify (voidify_wrapper_expr): Update for
3476         GIMPLE_MODIFY_STMT.
3477
3478 2007-01-01  Andreas Schwab  <schwab@suse.de>
3479
3480         PR target/29166
3481         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3482         save of BR0 in extra_spill_size instead of spill_size.
3483         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3484         area.
3485         (ia64_expand_epilogue): Restore BR0 from its new location.
3486
3487 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3488
3489         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3490         Use a temporary variable if the left hand side is not a gimple
3491         register.
3492
3493 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3494
3495         * gimplify.c (gimplify_return_expr): Make the temporary variable
3496         for the return expression, a gimple register variable.
3497
3498 2007-01-01  Jan Hubicka  <jh@suse.cz>
3499
3500         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3501         INSN_LIST.
3502
3503 2007-01-01  Mike Stump  <mrs@apple.com>
3504
3505         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3506         .literal16.
3507         * config/darwin.c (machopic_select_rtx_section): Use
3508         HAVE_GAS_LITERAL16.
3509         (darwin_mergeable_constant_section): Likewise.
3510         * configure: Regenerate.
3511         * config.in: Regenerate.
3512
3513 2007-01-01  Jan Hubicka  <jh@suse.cz>
3514             Andrew Pinski  <pinskia@gmail.com>
3515
3516         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3517         before starting IPA passes.