OSDN Git Service

./:
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-13  Ian Lance Taylor  <iant@google.com>
2
3         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4         * flags.h (warn_strict_overflow): Declare.
5         (enum warn_strict_overflow_code): Define.
6         (issue_strict_overflow_warning): New static inline function.
7         * opts.c (warn_strict_overflow): New variable.
8         (common_handle_option): Handle OPT_Wstrict_overflow and
9         OPT_Wstrict_overflow_.
10         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
11         OPT_Wall.
12         * fold-const.c: Include intl.h.
13         (fold_deferring_overflow_warnings): New static variable.
14         (fold_deferred_overflow_warning): New static variable.
15         (fold_deferred_overflow_code): New static variable.
16         (fold_defer_overflow_warnings): New function.
17         (fold_undefer_overflow_warnings): New function.
18         (fold_undefer_and_ignore_overflow_warnings): New function.
19         (fold_deferring_overflow_warnings_p): New function.
20         (fold_overflow_warning): New static function.
21         (make_range): Add strict_overflow_p parameter.  Change all
22         callers.
23         (extract_muldiv, extract_muldiv_1): Likewise.
24         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
25         tree_expr_nonnegative_p.
26         (fold_negate_expr): Call fold_overflow_warning.
27         (fold_range_test): Likewise.
28         (fold_comparison): Likewise.
29         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
30         instead of tree_expr_nonnegative_p.
31         (tree_expr_nonnegative_warnv_p): Rename from
32         tree_expr_nonnegative_p, add strict_overflow_p parameter.
33         (tree_expr_nonnegative_p): New function.
34         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
35         strict_overflow_p parameter.
36         (tree_expr_nonzero_p): New function.
37         * passes.c (verify_interpass_invariants): New static function.
38         (execute_one_pass): Call it.
39         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
40         warnings.
41         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
42         (estimate_numbers_of_iterations): Likewise.
43         (scev_probably_wraps_p): Likewise.
44         * tree-ssa-ccp.c: Include "toplev.h".
45         (evaluate_stmt): Defer fold overflow warnings until we know we are
46         going to optimize.
47         (struct fold_stmt_r_data): Add stmt field.
48         (fold_stmt_r): Defer fold overflow warnings until we know we
49         optimized.
50         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
51         (fold_stmt_inplace): Likewise.
52         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
53         (cleanup_control_expr_graph): Defer fold overflow warnings until
54         we know we are going to optimize.
55         * tree-cfg.c (fold_cond_expr_cond): Likewise.
56         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
57         Likewise.
58         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
59         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
60         * tree-ssa-loop-manip.c (create_iv): Likewise.
61         * c-typeck.c (build_conditional_expr): Likewise.
62         (build_binary_op): Likewise.
63         * tree-vrp.c (vrp_expr_computes_nonzero): Call
64         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
65         (extract_range_from_unary_expr): Likewise.
66         * simplify-rtx.c (simplify_const_relational_operation): Warn when
67         assuming that signed overflow does not occur.
68         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
69         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
70         (fold_defer_overflow_warnings): Declare.
71         (fold_undefer_overflow_warnings): Declare.
72         (fold_undefer_and_ignore_overflow_warnings): Declare.
73         (fold_deferring_overflow_warnings_p): Declare.
74         (tree_expr_nonzero_warnv_p): Declare.
75         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
76         of warning options.
77         (Warning Options): Document -Wstrict-overflow.
78         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
79         (tree-ssa-ccp.o): Likewise.
80         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
81         (fold-const.o): Depend on intl.h.
82
83 2007-02-13  Ian Lance Taylor  <iant@google.com>
84
85         PR middle-end/30751
86         * lower-subreg.c (resolve_simple_move): Decompose subregs in
87         addresses.
88
89 2007-02-13  Stuart Hastings  <stuart@apple.com>
90
91         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
92
93 2007-02-13  Richard Henderson  <rth@redhat.com>
94
95         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
96         handled_component_p before looking for the indirect_ref.
97
98 2007-02-13  Richard Henderson  <rth@redhat.com>
99
100         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
101         remove flags clobber.
102         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
103         (bswaphi_lowpart): New.
104         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
105         remove TARGET_BSWAP test.  Delete expander of the same name.
106
107         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
108         (expand_unop): Use them.
109
110 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
111
112         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
113         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
114         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
115         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
116         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
117         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
118         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
119         assembler dialect choice from asm templates.
120
121 2007-02-12  Richard Henderson  <rth@redhat.com>
122
123         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
124         (fixuns_trunc<SSEMODEF>si2): Use it.
125         * config/i386/sse.md (vec_setv4sf_0): Export.
126         * config/i386/i386.c (ix86_build_const_vector): Export.
127         (ix86_split_convert_uns_si_sse): Rename from
128         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
129         * config/i386/i386-protos.h: Update.
130
131 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
132
133         PR c/29521
134         * c-typeck.c (c_finish_return): Improve warning message.
135
136 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
137
138         * alias.c (find_symbolic_term): Delete unused function.
139         
140 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
141
142         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
143         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
144         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
145
146 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
147
148         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
149         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
150         the function, temporarily point the debug interface to the null one.
151
152 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * dwarf2out.c (round_up_to_align): New static function.
155         (field_byte_offset): Use it to round the offset.
156
157 2007-02-12  Richard Henderson  <rth@redhat.com>
158
159         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
160         (inswl_const): Export.
161
162 2007-02-12  Richard Henderson  <rth@redhat.com>
163
164         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
165         result mode of the libcall, convert back to outmode.
166
167 2007-02-12  Roger Sayle  <roger@eyesopen.com>
168
169         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
170         (bswapdi2): New define_expand to implement 32-bit implementation.
171
172 2007-02-12  Nick Clifton  <nickc@redhat.com>
173
174         * doc/invoke.texi (Overall Options): Document --help=.
175         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
176         (cc1_options): Pass --help= on to cc1.
177         (display_help): Add description of --help=.
178         (process_command): Add code to handle --help=.  Allow translated
179         --help and --target-help switches to be passed on to compiler
180         sub-process.
181         (main): Remove unused if statement.
182         * opts.c (columns): Remove.
183         (LEFT_COLUMN): Define.
184         (wrap_help): Add columns argument.
185         (print_filtered_help): Change parameters to be an include bitmask,
186         an exclude bitmask, an any bitmask and the column width.  Move the
187         code to display the params list here.  Add code to display the
188         status of options rather than their descriptions if the quiet flag
189         is not active.
190         (print_specific_help): Change parameters to be an include bitmask,
191         an exclude bitmask and an any bitmask.  Move code to look up the
192         column width here.  Decide upon the title for an options listing.
193         (common_handle_options): Add code to handle --help=.  Adapt code
194         for --help and --target-help to use the revised form of the
195         print_specific_help function.
196         (print_help): Delete.
197         (print_param_help): Delete.
198         (print_switch): Delete.
199         * opts.h (cl_lang_count): Add prototype.
200         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
201         CL_MAX_OPTION_CLASS): New defines.
202         * optc-gen.awk: Add construction of cl_lang_count.
203         * c.opt: Add Warning attribute to warning options and Optimization
204         attribute to optimization options.
205         * common.opt: Likewise.
206         Add --help=.
207         Add -fhelp and -ftarget-help as aliases for the transformed --help
208         and --target-help options.
209         * opt-functions.awk: Add code to handle Warning and Optimization
210         attributes.
211
212 2007-02-12  Richard Henderson  <rth@redhat.com>
213
214         * config/alpha/constraints.md: New file.
215         * config/alpha/alpha.c: Include tm-constrs.h.
216         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
217         alpha_extra_constraint): Remove.
218         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
219         * config/alpha/alpha-protos.h: Update.
220         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
221         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
222         (EXTRA_CONSTRAINT): Remove.
223         * config/alpha/alpha.md: Include constraints.md.
224         (adddi splitter): Use satisfies_constraint_*.
225         * config/alpha/predicates.md (add_operand): Likewise.
226         (sext_add_operand, addition_operation): Likewise.
227
228 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
229
230         PR tree-optimization/29145
231         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
232         in our handling of restrict qualified pointers.
233
234 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
235
236         PR middle-end/7651
237         * doc/invoke.texi (Wunused-value): Update description.
238         (Wextra): Delete item.
239         * opts.c (set_Wextra): Don't use the value of Wextra to set the
240         value of Wunused-value.
241         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
242         (c_finish_stmt_expr): Don't check extra_warnings.
243         (emit_side_effect_warnings): The caller is responsible to check
244         warn_unused_value.
245         
246 2007-02-11  Roger Sayle  <roger@eyesopen.com>
247             Matt Thomas  <matt@3am-software.com>
248
249         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
250
251 2007-02-11  Roger Sayle  <roger@eyesopen.com>
252
253         * simplify-rtx.c (simplify_relational_operation_1): Optimize
254         comparisons of POPCOUNT against zero.
255         (simplify_const_relational_operation): Likewise.
256
257 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
258
259         * doc/invoke.texi (Wextra): Delete outdated paragraph.
260         
261 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
262
263         * dwarf2out.c (root_type): Delete unused function.
264         
265 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
266
267         * genattrtab.c (contained_in_p): Delete unused function.
268         (write_expr_attr_cache): Likewise.
269
270 2007-02-11  Jan Hubicka  <jh@suse.cz>
271
272         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
273         previous patch.
274
275 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
276
277         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
278         to add the REG_EQ* note.
279         * see.c (see_merge_one_use_extension): Likewise.
280         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
281         turn REG_EQUAL notes into REG_EQUIV notes if the target
282         register may have more than one set.
283         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
284         * gcse.c (try_replace_reg): Likewise.
285         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
286         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
287         more than one REG_EQUIV note.
288         * reload1.c (gen_reload): Use set_unique_reg_note.
289
290 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
291
292         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
293         (ix86_builtin_conversion): New function.
294
295 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
296
297         PR target/29487
298         * tree.h (DECL_REPLACEABLE_P): New macro.
299         * except.c (set_nothrow_function_flags): Likewise.
300
301 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
302             Ira Rosen  <irar@il.ibm.com>
303             Dorit Nuzman  <dorit@il.ibm.com>
304
305         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
306         * targhooks.c (default_builtin_vectorized_conversion): New.
307         * targhooks.h (default_builtin_vectorized_function): New declaration.
308         * target.h (struct vectorize): Add builtin_conversion field.
309         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
310         stmt_vec_info_type value.
311         (vectorizable_conversion): New declaration.
312         * tree-vect-analyze.c (vect_analyze_operations): Add
313         vectorizable_conversion call.
314         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
315         * tree-vect-transform.c (vectorizable_conversion): New function.
316         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
317         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
318         mode.
319         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
320         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
321         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
322         or ALTIVEC_BUILTIN_VCFSX.
323
324 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
325
326         PR target/30634
327         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
328         CONST_DOUBLE and operand 0 is a hard register.
329         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
330         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
331         is a hard floating-point register.
332
333 2007-02-10  Richard Henderson  <rth@redhat.com>
334             Jakub Jelinek  <jakub@redhat.com>
335             Alexandre Oliva  <aoliva@redhat.com>
336
337         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
338         * builtin-types.def (BT_WORD): Make unsigned.
339         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
340         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
341         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
342         * c-decl.c (grokdeclarator): Don't error if !have_tls.
343         * c-parser.c (c_parser_omp_threadprivate): Likewise.
344         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
345         emulated tls.
346         * expr.c (emutls_var_address): New.
347         (expand_expr_real_1): Expand emulated tls.
348         (expand_expr_addr_expr_1): Likewise.
349         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
350         * output.h (emutls_finish): Declare.
351         * toplev.c (compile_file): Call it.
352         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
353         address before wrapping in CONST.
354         * varasm.c (emutls_htab, emutls_object_type): New.
355         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
356         (get_emutls_object_name, get_emutls_object_type): New.
357         (get_emutls_init_templ_addr, emutls_decl): New.
358         (emutls_common_1, emutls_finish): New.
359         (assemble_variable): When emulating tls, swap decls; generate
360         constructor for the emutls objects.
361         (do_assemble_alias): When emulating tls, swap decl and target name.
362         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
363         for emulated tls.
364         * varpool.c (decide_is_variable_needed): Look at force_output.
365         Recurse for emulated tls.
366         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
367         with decide_is_variable_needed.
368         * emutls.c: New file.
369         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
370         tls_object for real tls.
371
372 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
373
374         PR rtl-optimization/29599
375         * reload1.c (eliminate_regs_in_insn): Take the destination
376         mode into account when computing the offset.
377
378 2007-02-09  Stuart Hastings  <stuart@apple.com>
379             Richard Henderson  <rth@redhat.com>
380
381         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
382         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
383         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
384         fixuns_truncdfhi2): New.
385         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
386         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
387         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
388         (floatunssidf2): Allow nonimmediate source.
389         * gcc/config/i386/sse.md (movdi_to_sse): New.
390         (vec_concatv2di): Drop '*'.
391         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
392         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
393         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
394         New.
395         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
396         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
397         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
398         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
399         (ix86_build_signbit_mask): Fix decl of v, refactor to call
400         ix86_build_const_vector.
401         (x86_emit_floatuns): Rewrite.
402
403 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
404
405         * genautomata.c (longest_path_length): Delete unused function.
406         (struct state): Delete unused longest_path_length.
407         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
408         (get_free_state): Delete unused.
409         
410 2007-02-09  Jan Hubicka  <jh@suse.cz>
411
412         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
413         * doc/invoke.texi (inline-unit-growth): Update default value.
414
415         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
416         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
417         (rebuild_cgraph_edges): Likewise.
418         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
419         (dump_cgraph_node): Dump frequencies.
420         (cgraph_clone_edge): Add frequency scales.
421         (cgraph_clone_node): Add freuqnecy.
422         * cgraph.h (cgraph_edge): Add freuqnecy argument.
423         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
424         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
425         * tree-pass.h (TODO_rebuild_frequencies): New constant.
426         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
427         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
428         (save_inline_function_body): Likewise.
429         * ipa-inline.c: inluce rtl.h
430         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
431         (cgraph_edge_badness): Use frequencies.
432         (cgraph_decide_recursive_inlining): Update clonning.
433         (cgraph_decide_inlining_of_small_function): Dump frequency.
434         * predict.c (estimate_bb_frequencies): Export.
435         * predict.h (estimate_bb_frequencies): Declare.
436         * tree-inline.c (copy_bb): Watch overflows.
437         (expand_call_inline): Update call of cgraph_create_edge.
438         (optimize_inline_calls): Use TODO flags to update frequnecies.
439         * passes.h: Include predict.h
440         (init_optimization_passes): Move profile ahead.
441         (execute_function_todo): Handle TODO_rebuild_frequencies.
442
443 2007-02-09  Roger Sayle  <roger@eyesopen.com>
444
445         * config/alpha/alpha.c (emit_insxl): Force the first operand of
446         the insbl or inswl pattern into a register.
447
448 2007-02-09  Roger Sayle  <roger@eyesopen.com>
449
450         * config/ia64/ia64.md (bswapdi2): New define_insn.
451
452 2007-02-09  Richard Henderson  <rth@redhat.com>
453
454         * config/i386/constraints.md (Ym): New constraint.
455         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
456         (movdi_1_rex64): Split sse and xmm general register moves from
457         memory move alternatives.  Use conditional register constraints.
458         (movsf_1, movdf_integer): Likewise.
459         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
460         (movdf_integer_rex64): New.
461         (pushsf_rex64): Fix output constraints.
462         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
463         (sse2_stored): Likewise.
464         (sse2_storeq_rex64): New.
465         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
466         amd and not generic.
467         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
468         for optimize_size.  Remove SF/DFmode hack.
469
470 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
471
472         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
473         (bit_SSE4a): New.
474
475 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
476             Richard Sandiford  <richard@codesourcery.com>
477
478         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
479         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
480         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
481         m68k/t-mlib to tmake_file.
482         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
483         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
484         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
485         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
486         variable is not empty, add t-$m68k_arch_family to tmake_file.
487         Add t-mlibs to tmake_file.
488         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
489         * config/m68k/t-cf: New file.
490         * config/m68k/t-m68k: Likewise.
491         * config/m68k/t-mlibs: Likewise.
492         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
493         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
494         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
495         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
496         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
497         Delete.
498         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
499         (INSTALL_LIBGCC): Delete.
500         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
501         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
502         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
503         (M68K_MLIB_CPU): Define.
504         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
505         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
506         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
507
508 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
509             Richard Guenther  <rguenther@suse.de>
510
511         PR middle-end/23361
512         * fold-const.c (fold_comparison): Handle obfuscated comparisons
513         against INT_MIN/INT_MAX.
514         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
515         file if a loop is removed.
516
517 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
518
519         * calls.c (store_one_arg): Pass correct alignment to
520         emit_push_insn for non-BLKmode values.
521         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
522         unaligned stack slot via a suitably aligned slot.
523
524 2007-02-08  DJ Delorie  <dj@redhat.com>
525
526         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
527         warnings.
528         (legal_subregs): Use unsigned char, make const.
529         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
530
531 2007-02-08  Paul Brook  <paul@codesourcery.com>
532
533         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
534         special interworking needed.
535
536 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
537
538         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
539         conditional to __SSE2__.
540         (Entries below should have been added to first ChangeLog
541         entry for amdfam10 dated 2007-02-05)
542         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
543         defined.
544         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
545         defined.
546         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
547         defined.
548
549 2007-02-08  DJ Delorie  <dj@redhat.com>
550
551         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
552         * config/m32c/m32c.c (legal_subregs): New.
553         (m32c_illegal_subreg_p): New.
554         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
555         unsupported subregs of hard regs.
556
557 2007-02-08  Jan Hubicka  <jh@suse.cz>
558
559         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
560         the same one; always update histograms.
561
562 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
563
564         * passes.c (init_optimization_passes): Tidy comment.
565
566 2007-02-08  Roger Sayle  <roger@eyesopen.com>
567
568         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
569         strip zero_extend, bswap and rotates from POCOUNT's argument.
570         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
571         zero_extend and rotates from PARITY's argument.
572         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
573         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
574         of an integer constant at compile-time.
575
576 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
577
578         PR 30562
579         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
580         Update all users.
581         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
582         users.
583         (init_alias_info):
584         * tree-ssa-live.c (remove_unused_locals): Do not remove
585         TREE_ADDRESSABLE variables.
586         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
587         * tree-ssa-operands.c (add_virtual_operand): Remove argument
588         FOR_CLOBBER.  Update all users.
589         If VAR has an associated alias set, add a virtual operand for
590         it if no alias is found to conflict with the memory reference.
591
592 2007-02-07  Jan Hubicka  <jh@suse.cz>
593             Robert Kidd <rkidd@crhc.uiuc.edu>
594
595         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
596
597 2007-02-07  Ian Lance Taylor  <iant@google.com>
598
599         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
600
601 2007-02-07  Roger Sayle  <roger@eyesopen.com>
602
603         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
604         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
605         tablejumpdi, movsi_to_cr_one): Remove constraints from
606         define_expand's match_operands.
607
608 2007-02-07  Roger Sayle  <roger@eyesopen.com>
609
610         * global.c (compute_regsets): Move declatation of "i" inside of
611         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
612
613 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
614
615         PR c++/30703
616         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
617         of INDIRECT_REF <RESULT_DECL>.
618
619         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
620
621 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
622             Kaz Kojima  <kkojima@gcc.gnu.org>
623
624         PR target/29746
625         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
626         properly.
627         (sh_initialize_trampoline): Add parentheses to avoid a warning.
628
629 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
630
631         * doc/loop.texi: Document possibility not to perform disambiguation
632         of loops with multiple latches.
633         * cfgloopmanip.c (alp_enum_p): Removed.
634         (add_loop): Handle subloops.  Use get_loop_body_with_size.
635         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
636         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
637         the new forwarder block.
638         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
639         Handle the case latch is NULL.
640         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
641         when marking loop exits.
642         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
643         be modified.
644         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
645         disambiguate_loops_with_multiple_latches.
646         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
647         before fix_loop_structure.
648         * cfgloop.c: Include pointer-set.h and output.h.
649         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
650         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
651         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
652         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
653         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
654         disambiguate_multiple_latches, get_loop_body_with_size,
655         disambiguate_loops_with_multiple_latches): New functions.
656         (flow_loop_dump): Dump multiple latch edges.
657         (flow_loop_nodes_find): Handle loops with multiple latches.
658         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
659         (glb_enum_p): Modified.
660         (get_loop_body): Use get_loop_body_with_size.
661         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
662         (AVOID_CFG_MODIFICATIONS): New constant.
663         (disambiguate_loops_with_multiple_latches, add_loop,
664         get_loop_body_with_size): Declare.
665         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
666
667 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
668
669         PR inline-asm/28686
670         * global.c (compute_regsets): New function.
671         (global_alloc): Refactored ELIMINABLE_REGSET
672         and NO_GLOBAL_ALLOC_REGS computation out.
673         (rest_of_handle_global_alloc): Call compute_regsets()
674         for non-optimizing case.
675
676 2007-02-06  Richard Henderson  <rth@redhat.com>
677
678         * config/i386/constraints.md (Y2): Rename from Y.
679         (Yi): New constraint.
680         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
681         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
682         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
683         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
684         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
685         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
686         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
687         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
688         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
689         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
690         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
691         vec_extractv2si_1): Change Y constraints to Y2.
692         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
693         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
694         Change Y constraints to Y2.
695         (sse2_loadld): Change Y constraints to x.
696
697 2007-02-06  Roger Sayle  <roger@eyesopen.com>
698
699         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
700         (parity<mode>2): New define_expand using rs6000_emit_parity.
701         * config/rs6000/rs6000.c (rs6000_emit_popcount,
702         rs6000_emit_parity): New functions.
703         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
704         rs6000_emit_parity): Prototype here.
705
706 2007-02-06  Ian Lance Taylor  <iant@google.com>
707
708         * lower-subreg.c (simple_move_operand): Reject CONST.
709         (resolve_clobber): Call validate_change rather than directly
710         assigning to XEXP (pat, 0).
711
712 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
713
714         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
715         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
716         (tree-cfg.o): Remove hashtab.h dependency.
717
718         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
719         (struct ivopts_data): Change niters to pointer_map_t.
720         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
721         (niter_for_exit): Create pointer_map on demand.  Change for
722         pointer_map API.
723         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
724         (free_loop_data): Destroy data->niters if created and reset field.
725         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
726         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
727
728         * tree-ssa-reassoc.c: Include pointer-set.h.
729         (bb_rank): Change to long *.
730         (operand_rank): Change to pointer_map_t.
731         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
732         (insert_operand_rank): Accept long.
733         (operand_entry_hash, operand_entry_eq): Remove.
734         (get_rank): Return long.  Adjust for changes above.
735         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
736         and operand_rank.
737         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
738
739         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
740         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
741         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
742         is not NULL.
743         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
744         directly since it cannot be NULL.
745         (get_vi_for_tree): Rewrite for pointer_map API.
746         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
747         (init_alias_vars): Create vi_for_tree as pointer_map.
748         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
749
750         * tree-cfg.c: Don't include hashtab.h.
751         (edge_to_cases): Declare as pointer_map.
752         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
753         Delete.
754         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
755         (start_recording_case_labels): Create edge_to_cases as pointer_map.
756         (end_recoding_case_labels): Cleanup edge_to_cases manually before
757         destroying it.
758         (record_switch_edge): Delete.
759         (get_cases_for_edge): Adjust for pointer_map API, inline
760         record_switch_edge (rewritten for new API), remove goto.
761
762 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
763
764         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
765         * tree-nested.c: Include pointer-set.h.
766         (var_map_elt, var_map_eq, var_map_hash): Delete.
767         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
768         to pointer_map_t's.
769         (nesting_info_bitmap_obstack): New.
770         (lookup_field_for_decl): Adjust for pointer_map API.
771         (lookup_tramp_for_decl): Adjust for pointer_map API.
772         (get_nonlocal_debug_decl): Adjust for pointer_map API.
773         (get_local_debug_decl): Adjust for pointer_map API.
774         (convert_nl_goto_reference): Adjust for pointer_map API.
775         (convert_nl_goto_receiver): Adjust for pointer_map API.
776         (create_nesting_tree): Create outside GGC space.  Create bitmap on
777         the new obstack.  Create field_map and var_map as pointer_maps.
778         (free_nesting_tree): Adjust for changes to create_nesting_tree.
779         (root): Delete. 
780         (lower_nested_functions): Move root here, no need to NULL it.
781         Initialize and release the obstack.
782
783 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
784
785         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
786         Remove prototypes and make them non-static.
787         (struct tree_int_map): Remove.
788         * tree.h (struct tree_int_map): Move here, turning TO into an
789         unsigned int.
790         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
791
792         * tree.h (TREE_COMPLEXITY): Remove.
793         (struct tree_exp): Remove complexity field.
794         * tree.c (build1_stat): Don't set it.
795
796 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
797             Victor Kaplansky  <victork@il.ibm.com>
798
799         * tree-vectorizer.c (vect_is_simple_use): Support induction.
800         (vect_is_simple_reduction): Support reduction with induction as
801         one of the operands.
802         (vect_is_simple_iv_evolution): Fix formatting.
803         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
804         formatting.  Don't mark induction phis for vectorization.
805         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
806         * tree-vect-transform.c (get_initial_def_for_induction): New function.
807         (vect_get_vec_def_for_operand): Support induction.
808         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
809         induction case.
810         (vectorizable_reduction): Support reduction with induction as one of 
811         the operands. 
812         (vectorizable_type_demotion): Use def-type of stmt argument rather
813         than dummy def-type.
814
815         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
816         flag_tree_scev_cprop.
817         * common.opt (tree-scev-cprop): New flag.
818
819         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
820         call to vect_get_new_vect_var.
821
822 2007-02-06  Ira Rosen  <irar@il.ibm.com>
823
824         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
825         vectype is not NULL.
826         (vect_pattern_recog_1): Likewise.
827
828 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
829
830         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
831         (fold_negate_expr): Likewise.
832
833 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
834
835         PR debug/30189
836         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
837         even if cv-qualification is the same.
838
839 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
840
841         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
842         __enable_execute_stack on completion.
843
844 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
845
846         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
847         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
848         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
849         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
850         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
851         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
852         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
853         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
854
855 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
856
857         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
858         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
859         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
860         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
861         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
862         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
863         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
864         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
865         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
866         umuldi3_highpart_rex64, umulsi3_highpart_insn,
867         umulsi3_highpart_zext, smuldi3_highpart_rex64,
868         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
869         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
870         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
871         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
872         sqrtextenddfxf2_i387): Added amdfam10_decode.
873         
874         * config/i386/athlon.md (athlon_idirect_amdfam10,
875         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
876         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
877         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
878         athlon_ivector_store_amdfam10): New define_insn_reservation.
879         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
880         amdfam10.
881
882 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
883
884         * config/i386/athlon.md (athlon_call_amdfam10,
885         athlon_pop_amdfam10, athlon_lea_amdfam10): New
886         define_insn_reservation.
887         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
888         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
889         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
890
891 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
892
893         * config/i386/athlon.md (athlon_sseld_amdfam10,
894         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
895         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
896
897 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
898
899         * config/i386/athlon.md (athlon_sseins_amdfam10): New
900         define_insn_reservation.
901         * config/i386/i386.md (sseins): Added sseins to define_attr type
902         and define_attr unit.
903         * config/i386/sse.md: Set type attribute to sseins for insertq
904         and insertqi.
905
906 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
907
908         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
909         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
910         ssecomi_load_amdfam10, ssecomi_amdfam10,
911         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
912         define_insn_reservation.
913         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
914
915 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
916
917         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
918         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
919         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
920         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
921         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
922         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
923         define_insn_reservation.
924
925         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
926         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
927         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
928         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
929         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
930
931 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
932
933         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
934         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
935         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
936         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
937         athlon_ssemul_load_k8): Added amdfam10.
938
939 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
940
941         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
942         (x86_sse_unaligned_move_optimal): New variable.
943         
944         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
945         m_AMDFAM10.
946         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
947         for unaligned vector SSE double/single precision loads for AMDFAM10.
948
949 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
950
951         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
952         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
953         Define TARGET_CPU_DEFAULT_amdfam10.
954         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
955         (processor_type): Add PROCESSOR_AMDFAM10.       
956         
957         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
958         processor_type in config/i386/i386.h.
959         Enable imul peepholes for TARGET_AMDFAM10.
960         
961         * config.gcc: Add support for --with-cpu option for amdfam10.
962         
963         * config/i386/i386.c (amdfam10_cost): New variable.
964         (m_AMDFAM10): New macro.
965         (m_ATHLON_K8_AMDFAM10): New macro.
966         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
967         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
968         x86_promote_QImode, x86_integer_DFmode_moves,
969         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
970         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
971         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
972         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
973         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
974         Enable/disable for amdfam10.
975         (override_options): Add amdfam10_cost to processor_target_table.
976         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
977         processor_alias_table.
978         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
979         (ix86_adjust_cost): Add code for amdfam10.
980
981 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
982         
983         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
984         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
985         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
986         * config/i386/i386.h: Add builtin definition for SSE4A.
987         * config/i386/i386.md: Add support for ABM instructions 
988         (popcnt and lzcnt).
989         * config/i386/sse.md: Add support for SSE4A instructions
990         (movntss, movntsd, extrq, insertq).
991         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
992         Add -march=amdfam10 flag.
993         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
994         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
995         and amdfam10.
996         * doc/extend.texi: Add documentation for SSE4A builtins.
997
998 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
999
1000         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
1001
1002 2007-02-05  Richard Guenther  <rguenther@suse.de>
1003
1004         * tree-vectorizer.h (vectorizable_function): Add argument type
1005         argument, change return type.
1006         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
1007         * tree-vect-transform.c (vectorizable_function): Handle extra
1008         argument, return vectorized function decl.
1009         (build_vectorized_function_call): Remove.
1010         (vectorizable_call): Handle calls with result and argument types
1011         differing.  Handle loop vectorization factor correctly.
1012         * targhooks.c (default_builtin_vectorized_function): Adjust for
1013         extra argument.
1014         * targhooks.h (default_builtin_vectorized_function): Likewise.
1015         * target.h (builtin_vectorized_function): Add argument type
1016         argument.
1017         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
1018         extra argument, allow vectorizing of lrintf.
1019         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
1020         documentation of target hook.
1021
1022 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
1023
1024         PR target/30665
1025         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
1026         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
1027         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
1028
1029 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1030
1031         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
1032         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
1033         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
1034         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
1035         before canonicalizing sincos to cexpi.
1036         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
1037
1038 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1039
1040         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
1041         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
1042         (alpha_init_builtins): Use alpha_add_builtins to process tables.
1043
1044 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1045
1046         * mips-tfile.c (initialize_init_file): Correct endianness test.
1047
1048 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
1049
1050         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
1051         the 'y' constraint.
1052
1053 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1054
1055         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
1056         saves in a PARALLEL before the register assignments.
1057
1058 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1059
1060         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
1061         DWARF_FRAME_RETURN_COLUMN to be a general register.
1062         * dwarf2out.c (init_return_column_size): New function, split from...
1063         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
1064         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
1065         to be nongeneral registers.
1066         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
1067         integer registers.
1068         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
1069         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
1070
1071 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1072
1073         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
1074
1075 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1076
1077         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
1078         (remove_path): Use can_remove_branch_p and remove_branch instead
1079         of loop_delete_branch_edge.
1080         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
1081         (tree_transform_and_unroll_loop): Remove dead branches immediately.
1082         Update profile using scale_dominated_blocks_in_loop.
1083         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
1084         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
1085         (can_remove_branch_p, remove_branch): Declare.
1086         * tree-cfg.c (tree_can_remove_branch_p): New function.
1087         (tree_cfg_hooks): Add tree_can_remove_branch_p.
1088         * cfgrtl.c (rtl_can_remove_branch_p): New function.
1089         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
1090
1091 2007-02-05  Jan Hubicka  <jh@suse.cz>
1092
1093         PR middle-end/30696
1094         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
1095         nodes in cgraph, don't remove offline copy of the function.
1096
1097 2007-02-04  Jan Hubicka  <jh@suse.cz>
1098
1099         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
1100         vectors might cause maybe_lookup_element_for_expr to be called
1101         on non-sra-candidate.
1102
1103 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1104
1105         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
1106         config/bfin/bfin.md, config/bfin/predicates.md: Follow
1107         spelling conventions.
1108
1109 2007-02-04  Richard Guenther  <rguenther@suse.de>
1110
1111         PR middle-end/30636
1112         * fold-const.c (try_move_mult_to_index): Make sure to not
1113         overflow one dimension of a multi-dimensional array access.
1114
1115 2007-02-04  Jan Hubicka  <jh@suse.cz>
1116
1117         * passes.c (init_optimization_passes): Reindent.
1118
1119 2007-02-04  Jan Hubicka  <jh@suse.cz>
1120             Eric Botcazou  <ebotcazou@adacore.com>
1121
1122         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
1123         (execute_fixup_cfg): Break out the abnormal goto code.
1124         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
1125         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
1126         (optimize_inline_calls): Call make_nonlocal_label_edges.
1127
1128 2007-02-04  Jan Hubicka  <jh@suse.cz>
1129
1130         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
1131         true when something was changed.
1132         (rename_ssa_copies): When something was changed, do
1133         TODO_remove_unused_locals.
1134         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1135         add TODO_remove_unused_locals when instruction was removed.
1136
1137 2007-02-04  Jan Hubicka  <jh@suse.cz>
1138
1139         * ipa-inline.c (try_inline): Improve debug output; work on already
1140         inline edges too.
1141         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
1142         call try_inline for already inlined edges too when flattening; 
1143         inline also functions that make callee growth but overall unit size
1144         reduce.
1145
1146 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1147
1148         * config/m32c/bitops.md, config/m32c/jump.md,
1149         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
1150         config/m32r/m32r.h, config/m32r/m32r.md,
1151         config/m32r/predicates.md, config/m68hc11/larith.asm,
1152         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1153         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
1154         config/mips/mips-protos.h, config/mips/mips.c,
1155         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
1156         config/mn10300/mn10300.h, config/mn10300/predicates.md,
1157         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
1158         spelling conventions.
1159
1160         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
1161         Follow spelling conventions.
1162
1163 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
1164
1165        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
1166        warn about C++0x compatibility.
1167         
1168 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1169
1170         * config/h8300/h8300.c, config/h8300/h8300.h,
1171         config/h8300/h8300.md: Follow spelling conventions.
1172
1173 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
1174
1175         PR middle-end/30667
1176         * combine.c (try_combine): Do not substitute source operand
1177         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
1178
1179 2007-02-03  Jan Hubicka  <jh@suse.cz>
1180
1181         PR gcov-profile/30650
1182         * value-prof.c (stringop_block_profile): Fix handling of size counter;
1183         do not divide by zero for never executed counters.
1184         (tree_find_values_to_profile): Fix counters.
1185         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
1186
1187 2007-02-03  Ian Lance Taylor  <iant@google.com>
1188
1189         * lower-subreg.c (simple_move_operand): New static function,
1190         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
1191         operands.
1192         (simple_move): Call simple_move_operand.
1193         (find_decomposable_subregs): Add special handling of MEMs.
1194         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
1195         meaning of return value.  If we see a hard register, test whether
1196         it can store a word_mode value.  Change all callers.
1197
1198 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1199
1200         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
1201         ftrapv insns and expanders.
1202         (subdi3): Change define_expand operand 1 to arith11_operand, and
1203         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
1204         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
1205         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
1206         respectively.
1207
1208         PR middle-end/30174
1209         * varasm.c (notice_global_symbol): Treat global objects as weak when
1210         flag_shlib is true.
1211
1212 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1213
1214         * emit-rtl.c (dconstpi): Delete.
1215         (dconstsqrt2): New.
1216         (init_emit_once): Delete dconstpi and init dconstsqrt2.
1217         * real.h (dconstpi): Delete.
1218         (dconstsqrt2): New.
1219         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1220         (fold_builtin_hypot): Likewise.
1221
1222 2007-02-03  Tom Tromey  <tromey@redhat.com>
1223
1224         PR driver/30246
1225         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1226         -gcoff3, -gxcoff3, -gvms3 implies -dD.
1227
1228 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
1229
1230         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1231         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1232         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1233         config/rs6000/cell.md, config/rs6000/darwin.h,
1234         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1235         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1236         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1237         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1238         typos.  Follow spelling conventions.
1239         * doc/invoke.texi: Follow spelling conventions.
1240
1241 2007-02-03  Roger Sayle  <roger@eyesopen.com>
1242
1243         * simplify-rtx.c (simplify_relational_operation_1): Implement some
1244         canonicalization transformations that attempt to simplify integer
1245         constant comparisons to become comparisons against zero.
1246
1247 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1248
1249         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1250         fabs(x)*sqrt(2).
1251         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
1252         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
1253
1254 2007-02-02  Mike Stump  <mrs@apple.com>
1255
1256         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1257         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1258         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1259         generate a branch island.
1260
1261 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
1262
1263         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1264         (xtensa_legitimate_address_p): New.
1265         (xtensa_legitimize_address): New.
1266         (xtensa_output_addr_const_extra): New.
1267         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1268         (BASE_REG_P): New.
1269         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1270         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1271         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1272         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1273         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1274         (xtensa_legitimize_address): New.
1275         (xtensa_output_addr_const_extra): New.
1276
1277 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
1278
1279         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1280
1281 2007-02-02  Ian Lance Taylor  <iant@google.com>
1282
1283         * expmed.c (expand_divmod): Add comment.
1284
1285 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
1286
1287         * emit-rtl.c (renumber_insns): Remove.
1288         * flags.h: Remove the extern for flag_renumber_insns.
1289         * rtl.h: Remove the prototype for renumber_insns.
1290         * toplev.c (flag_renumber_insns): Remove.
1291
1292 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
1293
1294         Revert for x86 darwin:
1295         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1296         
1297         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1298         code before the following patch under TARGET_MACHO.
1299         (ix86_function_value_regno_p): Likewise.
1300
1301 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1302
1303         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1304         COMPLEX_EXPR.
1305
1306 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1307
1308         PR target/29682
1309         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1310         general or fp registers.  Add comments.
1311         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1312
1313 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
1314
1315         * pointer-set.c (insert_aux): Only return insertion slot.
1316         (pointer_set_insert): Adjust.
1317         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1318         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1319         pointer_map_traverse): New.
1320         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1321         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
1322         pointer_map_contains, pointer_map_traverse): Declare.
1323
1324 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
1325
1326         PR middle-end/30473
1327         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1328         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
1329
1330 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1331
1332         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1333         
1334         (struct _dep): New type.
1335         (dep_t): New typedef.
1336         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1337         (DEP_STATUS): New access macro.  The macro with the same name was
1338         renamed to DEP_LINK_STATUS.
1339         (dep_init): Declare function
1340
1341         (struct _dep_link): New type.
1342         (dep_link_t): New typedef.
1343         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1344         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1345         (DEP_LINK_STATUS): New macro.
1346         (debug_dep_links): New debug function.
1347
1348         (struct _deps_list): New type.
1349         (deps_list_t): New typedef.
1350         (DEPS_LIST_FIRST): New access macro.
1351         (FOR_EACH_DEP_LINK): New cycle macro.
1352         (create_deps_list, free_deps_list, delete_deps_list): Declare
1353         functions.
1354         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1355         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1356         (copy_deps_list_change_con): Ditto.
1357
1358         (move_dep_link): Declare function.
1359
1360         (struct _dep_node): New type.
1361         (dep_node_t): New typedef.
1362         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1363
1364         (struct haifa_insn_data.back_deps): New field to hold backward
1365         dependencies of the insn.
1366         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
1367         to deps_list_t.
1368         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1369         Change its type to deps_list_t.
1370         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1371         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1372         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1373
1374         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
1375         
1376         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
1377
1378         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1379         all callers.
1380         (dep_cost): Declare.
1381         
1382         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1383         (ds_to_dk, dk_to_ds): New functions.
1384         
1385         (init_dep_1): New static function.
1386         (init_dep): New function.
1387         (copy_dep): New static function.
1388         
1389         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1390         functions.
1391         (detach_dep_link): New static function.
1392         (move_dep_link): New function.
1393         
1394         (dep_links_consistent_p, dump_dep_links): New static functions.
1395         (debug_dep_links): New debugging function.
1396         
1397         (deps_obstack, dl_obstack, dn_obstack): New static variables.
1398         
1399         (alloc_deps_list, init_deps_list): New static functions.
1400         (create_deps_list): New function.
1401         (clear_deps_list): New static function.
1402         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1403         (deps_list_consistent_p, dump_deps_list): New static functions.
1404         (debug_deps_list): New function.
1405         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1406         functions.
1407         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1408
1409         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1410         use new scheduler dependencies lists.
1411         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1412         (sched_analyze): Ditto.  Initialize dependencies lists.
1413         (add_forw_dep, compute_forward_dependences): Update to use new
1414         scheduler dependencies lists.
1415         
1416         (init_dependency_caches): Init deps_obstack.
1417         (free_dependency_caches): Free deps_obstack.
1418         
1419         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1420         new scheduler dependencies lists.
1421         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1422         (add_back_forw_dep, delete_back_forw_dep): Ditto.
1423
1424         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1425         Update to use new scheduler dependencies lists.
1426         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1427         (debug_dependencies): Ditto.
1428         (schedule_region): Update comments.
1429         
1430         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1431         scheduler dependencies lists.
1432         (schedule_ebb): Update comments.
1433         
1434         * rtl.def (DEPS_LIST): Remove.
1435         
1436         * lists.c (unused_deps_list): Remove.
1437         (free_list): Update assertions.
1438         
1439         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1440         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1441
1442         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1443         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1444         
1445         * haifa-sched.c (comments): Update.
1446         (insn_cost1): Remove.  Inline the code into insn_cost ().
1447         (insn_cost): Update to use new scheduler dependencies lists.  Move
1448         processing of the dependency cost to dep_cost ().
1449         (dep_cost): New function.  Use it instead of insn_cost () when
1450         evaluating cost of the dependency.  Use compatible interface to
1451         interact with the target.
1452         (priority): Update to use new scheduler dependencies lists.
1453         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
1454         with greater number of insns that depend on the insn.
1455         (schedule_insn): Update to use new scheduler dependencies lists.  Add
1456         code to free backward dependencies lists.  Inline and optimize code
1457         from resolve_dep () - see PR28071.
1458         (ok_for_early_queue_removal): Update to use new scheduler dependencies
1459         lists.  Update call to targetm.sched.is_costly_dependence hook.
1460         
1461         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1462         scheduler dependencies lists.
1463         
1464         (resolve_dep): Remove.  Move the logic to schedule_insn ().
1465         (init_h_i_d): Initialize dependencies lists.
1466         
1467         (process_insn_depend_be_in_spec): Rename to
1468         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
1469         dependencies lists.
1470         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1471         Update to use new scheduler dependencies lists.
1472         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1473         
1474         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1475         new scheduler dependencies lists.
1476         (build_intra_loop_deps): Ditto.
1477         
1478         * target.h (struct _dep): Declare to use in
1479         gcc_target.sched.is_costly_dependence.
1480         (struct gcc_target.sched.adjust_cost): Fix typo.
1481         (struct gcc_target.sched.is_costly_dependence): Change signature to use
1482         single dep_t parameter instead of an equivalent triad.
1483         (struct gcc_target.sched.adjust_cost_2): Remove.
1484
1485         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1486
1487         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1488
1489         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1490         documentation.
1491         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1492
1493         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1494         (REG_DEP_TRUE): Document.
1495         
1496         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1497         Change signature to correspond to the targetm.sched.adjust_cost hook.  
1498         Update use in TARGET_SCHED_ADJUST_COST_2.
1499         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1500         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1501         new scheduler dependencies lists.
1502         (ia64_gen_check): Ditto.
1503
1504         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1505         dependencies lists.
1506         
1507         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1508         signature to correspond to the targetm.sched.is_costly_dependence hook.
1509         (is_costly_group): Update to use new scheduler dependencies lists.
1510
1511         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1512         instead of INSN_COST () macro.
1513
1514 2007-02-01  Ian Lance Taylor  <iant@google.com>
1515
1516         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1517
1518 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
1519
1520         * pa.md (tp_load): Correct mfctl instruction syntax.
1521
1522 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
1523
1524         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1525         altivec_padding_size calculation on AIX.  Improve comment, add
1526         assert to verify that it's right.
1527
1528         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1529         64-bit.
1530
1531 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
1532
1533         PR inline-asm/28686
1534         * global.c (global_alloc): Add mising initialization of
1535         ELIMINABLE_REGSET.
1536
1537 2007-02-01  Roger Sayle  <roger@eyesopen.com>
1538
1539         * alias.c (init_alias_analysis): Correct whitespace.
1540         * bb-reorder.c (fix_edges_for_rarely_executed_code,
1541         partition_hot_cold_basic_blocks): Likewise.
1542         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1543         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1544         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1545         fold_builtin_snprintf_chk, fold_builtin_printf,
1546         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1547         do_mpfr_arg3, do_mpfr_sincos): Likewise.
1548         * cfgcleanup.c (cleanup_cfg): Likewise.
1549         * cfgexpand.c (tree_expand_cfg): Likewise.
1550         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1551         * function.c (get_next_funcdef_no): Likewise.
1552         * gengtype.c (main): Likewise.
1553         * genmodes.c (main): Likewise.
1554         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1555         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1556         * ifcvt.c (noce_emit_move_insn): Likewise.
1557         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1558         Likewise.
1559         * stor-layout.c (get_best_mode): Likewise.
1560         * tree-ssa-loop-niter.c (get_val_for): Likewise.
1561         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1562         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1563         perform_var_substitution, solve_graph): Likewise.
1564         * tree-vrp.c (vrp_finalize): Likewise.
1565
1566 2007-02-01  Ian Lance Taylor  <iant@google.com>
1567
1568         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1569         high part of a paradoxical subreg, return a constant zero.
1570
1571 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
1572
1573         * toplev.c (lang_dependent_init): Call init_set_costs.
1574         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1575
1576 2007-02-01  Richard Guenther  <rguenther@suse.de>
1577
1578         PR middle-end/30656
1579         * fold-const.c (fold_negate_expr): Allow negating a
1580         constant if overflow does not change.
1581
1582 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1583
1584         * doc/c-tree.texi (Expression trees): Improve markup.
1585         * doc/tm.texi (Register Classes, Addressing Modes)
1586         (Floating Point): Fix spacing after abbreviations.  Fix some
1587         typos.
1588
1589 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1590
1591         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1592         * doc/contrib.texi: Likewise.
1593         * doc/install.texi: Likewise.
1594
1595 2007-01-31  Richard Henderson  <rth@redhat.com>
1596             Ian Lance Taylor  <iant@google.com>
1597
1598         * lower-subreg.c: New file.
1599         * rtl.def (CONCATN): Define.
1600         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1601         pass_lower_subreg2.
1602         * emit-rtl.c (update_reg_offset): New static function, broken out
1603         of gen_rtx_REG_offset.
1604         (gen_rtx_REG_offset): Call update_reg_offset.
1605         (gen_reg_rtx_offset): New function.
1606         * regclass.c: Revert patch of 2006-03-05, restoring
1607         reg_scan_update.
1608         (clear_reg_info_regno): New function.
1609         * dwarf2out.c (concatn_loc_descriptor): New static function.
1610         (loc_descriptor): Handle CONCATN.
1611         * common.opt (fsplit_wide_types): New option.
1612         * opts.c (decode_options): Set flag_split_wide_types when
1613         optimizing.
1614         * timevar.def (TV_LOWER_SUBREG): Define.
1615         * rtl.h (gen_reg_rtx_offset): Declare.
1616         (reg_scan_update): Declare.
1617         * regs.h (clear_reg_info_regno): Declare.
1618         * tree-pass.h (pass_lower_subreg): Declare.
1619         (pass_lower_subreg2): Declare.
1620         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1621         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1622         -fsplit-wide-types.
1623         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1624         * Makefile.in (OBJS-common): Add lower-subreg.o.
1625         (lower-subreg.o): New target.
1626
1627 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1628
1629         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1630
1631 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1632
1633         PR target/19087
1634         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1635
1636 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1637
1638         PR middle-end/29335
1639         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1640
1641 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1642
1643         * cfgloop.h: Include vec-prim.h.
1644         (enum li_flags): Remove LI_ONLY_OLD.
1645         (loop_iterator): Changed.
1646         (fel_next, fel_init): Iterate over loop tree.
1647         (FOR_EACH_LOOP_BREAK): New macro.
1648         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1649         FOR_EACH_LOOP.
1650         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1651         * modulo-sched.c (sms_schedule): Ditto.
1652         * tree-vectorizer.c (vectorize_loops): Ditto.
1653         * doc/loop.texi: Update information on loop numbering and behavior of
1654         FOR_EACH_LOOP wrto new loops.
1655         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1656         add_to_evolution_1): Test nestedness of loops instead of comparing
1657         their numbers.
1658         * tree-chrec.c (chrec_fold_plus_poly_poly,
1659         chrec_fold_multiply_poly_poly, chrec_evaluate,
1660         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1661         reset_evolution_in_loop): Ditto.
1662         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1663
1664 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1665
1666         * c-common.c (warn_about_parentheses): Separate warning about
1667         un-parenthized sequence of comparison operators from the one
1668         which is supposed to warn about x <= y <= z.
1669
1670 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1671
1672         * optabs.h (enum optab_index): Add new OTI_isinf.
1673         (isinf_optab): Define corresponding macro.
1674         * optabs.c (init_optabs): Initialize isinf_optab.
1675         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1676         patterns.
1677         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1678         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1679         using isinf_optab.
1680         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1681         expand_builtin_interclass_mathfn.
1682         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1683         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1684         (fxam<mode>2_i387): New insn pattern.
1685         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1686         built-in functions as x87 inline asm.
1687
1688 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1689
1690         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1691
1692 2007-01-30  Eric Christopher  <echristo@apple.com>
1693
1694         * config.gcc: Add geode.
1695
1696 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1697
1698         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1699         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1700         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1701         value-prof.c: Fix comment typos.
1702
1703 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1704
1705         PR c++/24745
1706         * doc/invoke.texi (Wpointer-arith): Document warning.
1707
1708 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
1709
1710         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1711         the list of discrepancies from the draft TR.
1712
1713 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1714
1715         PR c++/30601
1716         * doc/invoke.texi (-Wreturn-type): Update description to
1717         match new behavior.
1718
1719 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1720
1721         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1722
1723 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1724
1725         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1726         to handle optabs that operate on floating point input argument and
1727         output to integer output.
1728         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1729         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1730         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1731         expand_builtin_interclass_mathfn ().
1732         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1733         (ilogbsi2): Remove.
1734         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1735         ilogbl built-in functions as x87 intrinsics.
1736
1737 2007-01-30  Richard Guenther  <rguenther@suse.de>
1738
1739         PR middle-end/27657
1740         * dwarf2out.c (reference_to_unused): Query varpool if the
1741         variable was output.
1742
1743 2007-01-30  Richard Guenther  <rguenther@suse.de>
1744
1745         PR middle-end/30313
1746         * passes.c (execute_one_pass): Reset in_gimple_form to not
1747         confuse non-unit-at-a-time mode.
1748
1749 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1750             Richard Guenther  <rguenther@suse.de>
1751
1752         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1753         avoid undefined behaviour on overflow.  Use force_fit_type_double
1754         to construct the constant with the specified TREE_OVERFLOW.
1755
1756 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1757
1758         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1759         * config/dfp-bit.h: Ditto.
1760
1761 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1762
1763         * c-decl.c (pop_scope): Replace warnings with call to
1764         warn_for_unused_label.
1765         * c-common.h (warn_for_unused_label): Declare.
1766         * c-common.c (warn_for_unused_label): Define.
1767
1768 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1769
1770         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1771         function.
1772
1773 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1774
1775         * Makefile.in (USER_H): Remove decfloat.h.
1776         * ginclude/decfloat.h: Delete, moving contents to ...
1777         * ginclude/float.h: Add support for decimal floating point,
1778         guarded by __STDC_WANT_DEC_FP__.
1779
1780 2007-01-29  Mike Stump  <mrs@apple.com>
1781
1782         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1783         Analysis and Representation to resolve case insensitive conflict.
1784         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1785
1786 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1787
1788         * tree.h (struct tree_memory_tag): Add aliases member.
1789         (MTAG_ALIASES): New macro.
1790         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1791         (add_may_alias): Remove pointer-set. Update for may_aliases being
1792         a bitmap.
1793         (mark_aliases_call_clobbered): Update for may_aliases being a
1794         bitmap.
1795         (compute_tag_properties): Ditto.
1796         (create_partition_for): Ditto.
1797         (compute_memory_partitions): Ditto.
1798         (dump_may_aliases_for): Ditto.
1799         (is_aliased_with): Ditto.
1800         (add_may_alias_for_new_tag): Ditto.
1801         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1802         (compute_is_aliased): New function.
1803         (compute_may_aliases): Call compute_is_aliased).
1804         (init_alias_info): Initialize alias_bitmap_obstack.
1805         (union_alias_set_into): New function.
1806         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1807         (have_common_aliases_p): Rewrite to take two bitmaps and use
1808         intersection.
1809         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1810         Update for bitmaps.
1811         (finalize_ref_all_pointers): Update for add_may_alias changes.
1812         (new_type_alias): Ditto.
1813         * tree-flow-inline.h (may_aliases): Return a bitmap.
1814         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1815         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1816         may_aliases being a bitmap.
1817         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1818         may_aliases now returns a bitmap.
1819         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1820         being a bitmap.
1821         * tree-ssa-operands.c (add_virtual_operand): Update for
1822         may_aliases being a bitmap.
1823
1824 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1825
1826         PR tree-optimization/30630
1827         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1828         variable as changed.
1829
1830 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1831
1832         PR c++/28266
1833         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1834         expanded only once even if an error occurs.
1835
1836 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1837
1838         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1839         (__gcov_average_profiler): Likewise.
1840         (__gcov_ior_profiler): Likewise.
1841         (__gcov_merge_ior): Likewise.
1842
1843 2007-01-28  Jan Hubicka  <jh@suse.cz>
1844
1845         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1846         * value-prof.c (stringop_block_profile): Likewise.
1847
1848 2007-01-28  Jan Hubicka  <jh@suse.cz>
1849
1850         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1851         variant handling histograms; add wrapper.
1852         (clear_storage_via_libcall): Export.
1853         (emit_block_move_hints): Break out from ...; add histograms.
1854         (emit_block_move): ... this one.
1855         (clear_storage_hints): Break out from ...; add histograms.
1856         (clear_storage): ... this one.
1857         (set_storage_via_memset): Handle histogram.
1858         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1859         (clear_storage_hints, clear_storage_via_libcall): Declare.
1860         (set_storage_via_setmem): Update prototype.
1861         * doc/md.texi (movmem, setmem): Document new arguments.
1862
1863         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1864         new histograms.
1865         (stringop_block_profile): New global function.
1866         (tree_stringops_values_to_profile): Profile block size and alignment.
1867         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1868         HIST_TYPE_IOR.
1869         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1870         (stringop_block_profile): Declare.
1871         * builtins.c: Include value-prof.h.
1872         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1873         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1874         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1875         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1876         * profile.c (instrument_values): Add new counters.
1877         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1878         calls.
1879         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1880         (tree_init_edge_profiler): Build new profilers.
1881         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1882         (pass_tree_profile): Add dump.
1883         (tree_profile_hooks): Update.
1884         * Makefile.in (LIBGCOV): Add new constants.
1885         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1886         __gcov_ior_profiler): New.
1887         * i386.md (movmem/setmem expanders): Add new optional arguments.
1888
1889 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1890
1891         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1892
1893 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1894
1895         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1896         (tree_unswitch_single_loop): Pass eni_size_weights to
1897         tree_num_loop_insns.
1898         * tree-ssa-loop-manip.c: Include tree-inline.h.
1899         (can_unroll_loop_p): Pass eni_size_weights to
1900         tree_num_loop_insns.
1901         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1902         Pass eni_size_weights to estimate_num_insns.
1903         * tree.h (init_inline_once): Export.
1904         * toplev.c (backend_init): Call init_inline_once.
1905         * cgraphunit.c (cgraph_process_new_functions,
1906         cgraph_analyze_function): Pass eni_inlining_weights to
1907         estimate_num_insns.
1908         * ipa-inline.c (compute_inline_parameters): Ditto.
1909         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1910         to estimate_num_insns.
1911         (try_unroll_loop_completely): Pass eni_size_weights to
1912         tree_num_loop_insns.
1913         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1914         ot estimate_num_insns.
1915         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1916         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1917         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1918         eni_time_weights): New variables.
1919         (init_inline_once): Initialize them.
1920         (struct eni_data): Mew.
1921         (estimate_num_insns_1, estimate_num_insns): Use weights.
1922         * tree-inline.h (struct eni_weights_d): New.
1923         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1924         (estimate_num_insns): Declaration changed.
1925         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1926         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1927         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1928
1929 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1930
1931         * tree-data-ref.c (conflict_fn): Assert that the number of affine
1932         relations in the conflict function is valid.
1933
1934 2007-01-27  Ian Lance Taylor  <iant@google.com>
1935
1936         * common.opt: Add fstrict-overflow.
1937         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1938         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1939         (TYPE_OVERFLOW_UNDEFINED): Define.
1940         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1941         Replace all uses.
1942         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1943         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1944         (fold_negate_expr): Likewise.
1945         (make_range): Likewise.
1946         (extract_muldiv_1): Likewise.
1947         (maybe_canonicalize_comparison): Likewise.
1948         (fold_comparison): Likewise.
1949         (fold_binary): Likewise.
1950         (tree_expr_nonnegative_p): Likewise.
1951         (tree_expr_nonzero_p): Likewise.
1952         * tree-vrp.c (compare_values): Likewise.
1953         (extract_range_from_binary_expr): Likewise.
1954         (extract_range_from_unary_expr): Likewise.
1955         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1956         Likewise.
1957         (nowrap_type_p): Likewise.
1958         * tree-scalar-evolution.c (simple_iv): Likewise.
1959         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1960         (build_range_check): Likewise.
1961         (extract_muldiv_1): Likewise.
1962         (fold_comparison): Likewise.
1963         * tree-vrp.c (vrp_int_const_binop): Likewise.
1964         (extract_range_from_unary_expr): Likewise.
1965         * convert.c (convert_to_integer): Likewise.
1966         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1967         (fold_comparison): Likewise.
1968         (fold_binary): Likewise.
1969         * optabs.c (optab_for_tree_code): Likewise.
1970         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1971         * simplify-rtx.c (simplify_const_relational_operation): Check
1972         flag_strict_overflow and flag_trapv.
1973         (simplify_const_relational_operation): Likewise.
1974         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1975         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
1976         -fstrict-overflow.
1977
1978 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1979
1980         * tree.c (tree_fold_gcd): Delete.
1981         * tree.h (tree_fold_gcd): Remove prototype.
1982         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1983         test whether one constant integer is a multiple of another.  Instead
1984         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1985         * fold-const.c (multiple_of_p):  We've determined both TOP and
1986         BOTTOM are integer constants so we can call int_const_binop directly
1987         instead of the more generic const_binop.
1988
1989 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1990
1991         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1992         1*X check that the constant hasn't overflowed, to preserve the
1993         TREE_OVERFLOW bit.
1994         (round_up): Provide an efficient implementation when rouding-up an
1995         INTEGER_CST to a power-of-two.
1996
1997 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1998
1999         * doc/sourcebuild.texi: Add comma for clarity.
2000         * doc/extend.texi: Fix some typos.
2001         * doc/passes.texi: Likewise.
2002         * doc/cppinternals.texi: Likewise.
2003         * doc/c-tree.texi: Likewise.
2004         * doc/tree-ssa.texi: Likewise.
2005         * doc/install.texi: Likewise.
2006
2007 2007-01-27  Jan Hubicka  <jh@suse.cz>
2008
2009         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
2010         (pass_sra): Do not require alias information.
2011         * passes.c (init_optimization_passes): Add SRA
2012
2013 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
2014
2015         * tracer.c (rest_of_handle_tracer): We already cleaned
2016         up the CFG in tracer() so don't do it here again.
2017         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
2018         cleanup_cfg here, either.  And don't call renumber_insns.
2019
2020         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
2021         and BB_HEAD are in the insn stream here.  Instead make sure
2022         that BB_INSN is valid on all insns.  Also, do check here that
2023         there are no pending branch predictions...
2024         (rtl_verify_flow_info): ...instead of doing it here.  Checks
2025         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
2026         here.
2027
2028 2007-01-26  Roger Sayle  <roger@eyesopen.com>
2029
2030         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
2031         function to simplify/factorize operand order canonicalization.
2032         (ix86_fixup_binary_operands): Reorganize using the above function.
2033         (ix86_binary_operator_ok): Likewise.
2034
2035 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
2036
2037         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
2038         file scope from optimize_attrs.
2039         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
2040         up search.
2041         (optimize_attrs): Clear insn_code_values after freeing it.
2042
2043 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2044
2045         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
2046         a parts.base assignment.
2047
2048 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2049
2050         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
2051         (compute_subscript_distance, initialize_data_dependence_relation,
2052         finalize_ddr_dependent, analyze_ziv_subscript,
2053         analyze_siv_subscript_cst_affine,
2054         compute_overlap_steps_for_affine_univar,
2055         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
2056         analyze_siv_subscript, analyze_miv_subscript,
2057         analyze_overlapping_iterations, subscript_dependence_tester_1,
2058         compute_self_dependence, free_dependence_relation): Work
2059         with affine_fn instead of chrecs.
2060         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
2061         common_affine_function, affine_function_base,
2062         affine_function_constant_p, affine_fn_op, affine_fn_plus,
2063         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
2064         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
2065         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
2066         (all_chrecs_equal_p): Removed.
2067         * tree-data-ref.h (affine_fn, conflict_function): New types.
2068         (struct subscript): Change type of conflicting_iterations_in_a
2069         and conflicting_iterations_in_b.
2070
2071 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
2072
2073         PR other/30182
2074         * config/pa/pa.h (TARGET_HPUX_11): New.
2075         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
2076         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
2077
2078 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
2079         Richard Guenther  <rguenther@suse.de>
2080
2081         * tree-ssa-structalias.c (solve_graph): Handle case
2082         we merged the variable to another.
2083
2084 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2085
2086         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
2087         functions.
2088
2089         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
2090         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
2091
2092 2007-01-25  DJ Delorie  <dj@redhat.com>
2093
2094         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
2095         allow changes to modes which don't fit in those registers.
2096
2097         * reload1.c (choose_reload_regs): Check for invalid subregs before
2098         computing their locations, not after.
2099
2100 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
2101
2102         PR 25127
2103         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
2104         save Altivec registers in an eh_return function.
2105         (compute_vrsave_mask): Likewise.
2106         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
2107         for saving Altivec registers.
2108         (rs6000_emit_prologue): Don't allocate stack twice in
2109         eh_return function.  Correct expected value of altivec_save_offset
2110         when using save_world.  Describe save of R0 to stack when using
2111         save_world.  Describe stack pointer adjustment when using
2112         save_world.  Remove duplicated eh_return parameter register saving.
2113         Update sp_offset variable after save_world.
2114         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
2115         darwin-world.asm.
2116         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
2117         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
2118         implies Altivec.
2119
2120 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2121
2122         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
2123
2124 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2125
2126         PR other/30182
2127         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
2128         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
2129
2130 2007-01-25  Richard Guenther  <rguenther@suse.de>
2131
2132         * doc/invoke.texi (-Wcoverage-mismatch): Document.
2133         * common.opt (-Wcoverage-mismatch): New warning option.
2134         * coverage.c (get_coverage_counts): Ignore coverage mismatch
2135         if -Wcoverage-mismatch is given.
2136
2137 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
2138
2139         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
2140         (ipcp_driver): Change to static definition.
2141         Add dumping of the ifunctions.
2142         (constant_val_insert): Remove unused parameter. Support for SSA.
2143         (ipcp_propagate_const): Support for SSA.
2144         (ipcp_profile_bb_print): Print only analyzed nodes.
2145         (ipcp_replace_map_create): Remove support for Fortran constant
2146         for now.
2147         * ipa-prop.c (ipa_method_modify_stmt,
2148         ipa_callsite_compute_param): Support for SSA.
2149         * ipa-prop.h (ipcp_driver): Remove declaration.
2150         (IS_VALID_TREE_MAP_INDEX): Add define.
2151
2152 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
2153
2154         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
2155
2156 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2157
2158         PR middle-end/30447
2159         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
2160         constant argument to cabs and do it without checking for
2161         -funsafe-math-optimizations.
2162
2163 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
2164
2165         * c-common.h (RID_FIRST_CXX0X): New.
2166         (RID_LAST_CXX0X): New.
2167         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
2168         by -Wall.
2169         * c.opt (Wc++0x-compat): New.
2170         * doc/invoke.texi (-Wc++0x-compat): Document.
2171
2172 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2173
2174         * builtins.c (fold_builtin_carg): New.
2175         (fold_builtin_1): Use it.
2176
2177 2007-01-24  Jan Hubicka  <jh@suse.cz>
2178
2179         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
2180
2181         * ipa-inline.c (initial_insns, max_insns): Delete.
2182         (compute_max_insns): New function.
2183         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
2184         of insns as base for code growth.
2185         (cgraph_decide_inlining): Make initial_insns local; do not compute
2186         max_insns.
2187         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
2188         * doc/invoke.texi (inline-unit-growth): Update docs.
2189
2190 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
2191
2192         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
2193         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
2194         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
2195         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
2196         for CPUs that have PTA_CX16 set.
2197
2198         PR middle-end/27416
2199         * gimplify.c (omp_check_private): New function.
2200         (gimplify_scan_omp_clauses): Use it for
2201         firstprivate/lastprivate/reduction.
2202
2203         PR middle-end/30494
2204         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2205         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2206
2207         PR middle-end/30421
2208         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2209         If lower_lastprivate_clauses emits some statements, append them
2210         to dlist rather than body_p and to body_p append an initializer.
2211         (lower_omp_for): Adjust caller.
2212
2213 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
2214
2215         * target.h (globalize_decl_name): New.
2216         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2217         * output.h (default_globalize_decl_name): New.
2218         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2219         globalize_label.
2220         (globalize_decl): Ditto.
2221         (default_globalize_decl_name): New.
2222         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2223         (ia64_handle_version_id_attribute): New.
2224         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2225         (ia64_asm_output_external): Use globalize_decl_name instead
2226         of globalize_label.
2227         * doc/extend.texi (version_id): New pragma.
2228         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2229
2230 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2231
2232         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2233         _uleb128_t and _Unwind_SWord with _sleb128_t.
2234         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2235         uw_frame_state_for, uw_update_context_1): Likewise.
2236         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2237         * unwind-pe.h (read_uleb128, read_sleb128,
2238         read_encoded_value_with_base): Likewise.
2239         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2240
2241 2007-01-24  Richard Guenther  <rguenther@suse.de>
2242
2243         * builtins.c (expand_builtin_cexpi): Get the fndecl
2244         for cexp in the correct way.
2245
2246 2007-01-24  Jan Hubicka  <jh@suse.cz>
2247
2248         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2249
2250 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2251
2252         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2253         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2254         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2255         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2256         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2257         __SIZEOF_PTRDIFF_T__.
2258         * doc/cpp.texi: Documentation for the new builtin macros added.
2259
2260 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
2261
2262         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2263         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2264         instead of operands[2] to avoid access past the end of array.
2265
2266 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
2267
2268         * reload1.c (emit_reload_insns): Pass the reload register
2269         for a non-spill output reload through forget_old_reloads_1.
2270
2271 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
2272
2273         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2274         _SOFT_DOUBLE if doubles use software floating-point.
2275         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2276         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2277         * config/rs6000/darwin-ldouble.c: Also compile functions for
2278         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
2279         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2280         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2281         commented-out long double override.
2282         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2283         * config/rs6000/eabispe.h: Likewise.
2284         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2285         long double for non-SPE.
2286         (rs6000_handle_option): Likewise.
2287         (invalid_e500_subreg): Disallow more subregs involding DImode,
2288         DFmode, TImode or TFmode.
2289         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2290         E500 double.
2291         (legitimate_lo_sum_address_p): Also check for TFmode for E500
2292         double.
2293         (rs6000_legitimize_address): Also handle TFmode for E500 double.
2294         (rs6000_legitimize_reload_address): Also handle TFmode for E500
2295         double.
2296         (rs6000_legitimate_address): Also check for TFmode for E500
2297         double.
2298         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2299         (spe_build_register_parallel): Handle TFmode and TCmode.
2300         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2301         double.
2302         (function_arg): Handle TFmode and TCmode for E500 double.
2303         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2304         in general.
2305         (print_operand): Handle TFmode and TImode for %y.
2306         (rs6000_generate_compare): Handle TFmode comparisons for E500
2307         double.
2308         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2309         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2310         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2311         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2312         TFmode for E500 double.
2313         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2314         (floatsidf2): Enable for E500 double.
2315         (movtf_softfloat): Use rs6000_nonimmediate_operand.
2316         (extenddftf2): Change to extenddftf2_fprs.
2317         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2318         depending on TARGET_E500_DOUBLE.
2319         (extendsftf2): Enable for E500 double.
2320         (trunctfdf2): Enable for E500 double.
2321         (trunctfsf2): Change to trunctfsf2_fprs.
2322         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2323         depending on TARGET_E500_DOUBLE.
2324         (floatsitf2): Enable for E500 double.
2325         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2326         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2327         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2328         (negtf2): Change to negtf2_internal.
2329         (negtf2): New expander.
2330         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
2331         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2332         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2333         (movdi_internal32): Use rs6000_nonimmediate_operand.
2334         (unnamed splitter): Likewise.
2335         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2336         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2337         (SPE64TF, DITI): New mode macros.
2338         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2339         modes.
2340         (frob_tf_ti): New.
2341         (frob_<mode>_di_2): New.
2342         (frob_tf_di_8_2): New.
2343         (frob_di_df): Change to frob_di_<mode>; allow more modes.
2344         (frob_ti_tf): New.
2345         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2346         more modes.
2347         (frob_ti_<mode>_8_2): New.
2348         (frob_ti_tf_2): New.
2349         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2350         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2351         TFmode.
2352         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2353         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2354         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2355         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2356         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2357         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2358         tsttflt_gp): New.
2359
2360 2007-01-23  Ian Lance Taylor  <iant@google.com>
2361
2362         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2363         insn-*.o first.
2364         (OBJS-archive): Reformat, alphabetize.
2365         (OBJS): Change out_object_file to OBJS-md.
2366
2367 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
2368
2369         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2370         JUMP_P and CALL_P predicates where applicable.
2371         * config/i386/i386.c: Ditto.
2372         * config/i386/i386.md: Ditto.
2373         * config/i386/mmx.md: Ditto.
2374         * config/i386/predicates.md: Ditto.
2375
2376 2007-01-22  Andreas Schwab  <schwab@suse.de>
2377
2378         * config/m68k/m68k.h: Fix comment.
2379
2380 2007-01-22  Jan Hubicka  <jh@suse.cz>
2381
2382         * passes.c (init_optimization_passes): Do not rerun
2383         pass_early_warn_uninitialized.
2384
2385 2007-01-22  Richard Guenther  <rguenther@suse.de>
2386
2387         PR tree-optimization/30038
2388         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2389         function.
2390         (execute_cse_sincos_1): Likewise.
2391         (execute_cse_sincos): Likewise.
2392         (gate_cse_sincos): Likewise.
2393         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2394         the cexpi() canonicalization of sincos().
2395         * tree-pass.h (pass_cse_sincos): Declare.
2396         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2397
2398 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2399
2400         PR rtl-optimization/29329
2401         * combine.c (replaced_rhs_insn): Rename to i2mod.
2402         (replaced_rhs_value): Rename to i2mod_new_rhs.
2403         (i2mod_old_rhs): New global variable.
2404         (combine_instructions): Adjust for above change.  Save a copy of
2405         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2406         note are substituted in the second instruction.
2407         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2408         ditch the note if it pertains to the second eliminated register
2409         and this register is mentioned in i2mod_old_rhs.
2410
2411         Revert:
2412         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2413
2414         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2415         the insn to which the note was originally attached.
2416
2417 2007-01-21  Jan Hubicka  <jh@suse.cz>
2418
2419         * ipa-inline.c (inlining_mode): Comment, move up.
2420         (cgraph_decide_inlining_incrementally): Do not perform inlining
2421         itself; fix handling of flattening of self recursive functions.
2422         (cgraph_find_cycles): Remove.
2423         (cgraph_flatten_node): Remove.
2424         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2425         (try_inline): New function.
2426         (cgraph_early_inlining): Update call of
2427         cgraph_decide_inlining_incrementally.  Apply inlining here.
2428         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2429
2430 2007-01-21  Dirk Mueller  <dmueller@suse.de>
2431
2432         PR bootstrap/30511
2433         * tree-vrp.c (check_array_bounds): do not warn
2434         about ADDR_EXPR's of ARRAY_REF's which are immediately
2435         used in binary expressions.
2436
2437 2007-01-21  Ira Rosen  <irar@il.ibm.com>
2438
2439         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2440         read_write_dep and macros for its access.
2441         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2442         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2443         argument, call vect_check_interleaving for every independent pair of
2444         data-refs. Mark loads that access the same memory location as a store
2445         in the loop.
2446         (vect_check_dependences): Remove.
2447         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
2448         call, fix the call to vect_analyze_data_ref_dependence.
2449         (vect_analyze_data_ref_access): For statements that access the same
2450         data-ref, check that they are not stores; for loads, check that there
2451         is no store that access the same location.
2452
2453 2007-01-20  Roger Sayle  <roger@eyesopen.com>
2454             Joseph Myers  <joseph@codesourcery.com>
2455
2456         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2457         (-fdump-rtl-stack): Likewise.
2458         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
2459         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2460         (-mpt-fixed): Use @minus{} for minus sign.
2461         (Using Precompiled Headers): Fix under/overfull hbox.
2462
2463 2007-01-20  Jan Hubicka  <jh@suse.cz>
2464
2465         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2466         place within annotation.
2467
2468 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2469
2470         * pa.c (output_move_double): Change array size of xoperands to 4.
2471
2472 2007-01-20  Jan Hubicka  <jh@suse.cz>
2473
2474         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2475         as temporary.
2476
2477 2007-01-19  Ian Lance Taylor  <iant@google.com>
2478
2479         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2480         constant to unsigned HOST_WIDE_INT before negating.
2481
2482 2007-01-19  Ian Lance Taylor  <iant@google.com>
2483
2484         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2485         to unsigned.
2486         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2487         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2488         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2489         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2490         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2491         (realloc_vdef, realloc_vuse): Change second parameter to
2492         unsigned.
2493         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2494         fields to unsigned.
2495         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2496         unsigned. Change x and lim locals to unsigned.
2497         (realloc_vdef, realloc_vuse): Change num_elem parameter to
2498         unsigned.
2499         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2500         (copy_virtual_operands): Change i and n locals to unsigned.
2501
2502 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2503
2504         PR middle-end/29335
2505         * builtins.c (fold_builtin_1): Handle builtin fdim.
2506
2507 2007-01-20  Jan Hubicka  <jh@suse.cz>
2508
2509         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2510         * tree-ssa-structalias.c (compute_points_to_sets): Do call
2511         init_alias_heapvars.
2512         (init_alias_heapvars): Initialize only when not already initialized.
2513         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2514
2515 2007-01-19  Roger Sayle  <roger@eyesopen.com>
2516
2517         * common.opt (fsigned-zeros): New command line option.
2518         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2519         of flag_unsafe_math_optimizations.
2520         * opts.c (set_fast_math_flags): The -ffast-math command line option
2521         implies -fno-signed-zeros.
2522         (fast_math_flags_set_p): Likewise.
2523
2524         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2525         the documentation of -ffast-math appropriately.  Wrap long lines.
2526
2527 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
2528
2529         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2530         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2531
2532 2007-01-19  Tomas Bily  <tbily@suse.cz>
2533
2534         * cgraphunit.c (cgraph_finalize_function): Updating of pid
2535         * tree-profile.c:
2536         (tree_init_ic_make_global_vars): New function
2537         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2538         (tree_gen_ic_profiler): New function
2539         (tree_gen_ic_func_profiler): New function
2540         (tree_profiling): Added calling of tree_gen_ic_func_profiler
2541         (tree_profile_hooks): Added hook for indirec/virtual calls
2542         * value-prof.c (tree_find_values_to_profile): New case for
2543         indirect calls
2544         (tree_values_to_profile): Call for determining indirect/virtual
2545         counters
2546         (tree_indirect_call_to_profile): New function
2547         (tree_ic_transform): New function
2548         (tree_ic): New function
2549         (find_func_by_pid): New function
2550         (init_pid_map): New function
2551         (tree_value_profile_transformations): Added check for
2552         indirect/virtual call transformation
2553         * value-prof.h (enum hist_type): New counter type for
2554         indirect/virtual calls
2555         (profile_hooks): Added new hook for profiling indirect/virtual
2556         calls
2557         * profile.c (instrument_values): New case for indirect/virtual
2558         call added
2559         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2560         (GCOV_COUNTER_V_INDIR): New counter type
2561         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2562         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2563         call added
2564         * cgraph.c: Definition of cgraph_max_pid
2565         (cgraph_create_node): Default init of pid attribute
2566         * cgraph.h: Declaration of cgraph_max_pid
2567         (struct cgraph_node): Added pid attribute
2568         * libgcov.c (__gcov_indirect_call_profiler): New function
2569         (__gcov_one_value_profiler_body): New function
2570         (__gcov_one_value_profiler): Body was moved to
2571         __gcov_one_value_profiler_body and calls it
2572
2573 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
2574
2575         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2576         * gengtype.c (write_types_data, write_func_for_structure,
2577         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2578         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2579         (walk_type, write_func_for_structure): Generate the mark_hook if
2580         needed.
2581
2582 2007-01-19  Jan Hubicka  <jh@suse.cz>
2583
2584         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2585         'early' argument take inlining mode argument specifying whether to
2586         inline for size/speeed or all functions; add support for flattening;
2587         improve dumpting.
2588         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2589
2590 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2591
2592         PR c++/17947
2593         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2594         the name of the declared identifier.
2595
2596 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2597
2598         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2599         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2600         duplicate evaluation.
2601
2602 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2603
2604         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2605         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2606         to XFMode, use acosxf2 and truncate result to requested mode.
2607         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2608         (asin<mode>2): Similarly, with asin expanders.
2609         (*fscalexf4_i387): Rename from *fscalexf4.
2610         (expNcorexf3): New expander.
2611         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2612         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2613         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2614         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2615         patterns for SSE math.
2616         (exp10<mode>2): Similarly, with exp10 expanders.
2617         (exp2<mode>2): Similarly, with exp2 expanders.
2618         (expm1<mode>2): Similarly, with expm1 expanders.
2619         (ldexp<mode>3): Similarly, with ldexp expanders.
2620         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2621         Use gen_truncxf<mode>2_i387_noop to truncate result.
2622
2623 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2624
2625         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2626         for ColdFire targets.
2627
2628 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2629             Richard Sandiford  <richard@codesourcery.com>
2630
2631         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2632         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2633         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2634         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2635         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2636         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2637
2638 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2639
2640         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2641         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2642         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2643         (*adddi_dilshr32_cf): New pattern.
2644         (adddi3, subdi3): Remove first alternatives.
2645
2646 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2647
2648         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2649         implemented using move.l, do not use its cc result for floating-point
2650         comparisons.
2651
2652 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2653
2654         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2655         from accepting 's' constraints if flag_pic.
2656
2657 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2658
2659         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2660         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2661         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2662         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2663
2664 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2665
2666         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2667         ColdFire alternatives.
2668         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2669         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2670         architectures that support ff1 instruction.
2671
2672 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2673             Julian Brown  <julian@codesourcery.com>
2674
2675         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2676         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2677         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2678         Add commentary.
2679
2680 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2681
2682         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2683         and return a bool.
2684         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2685         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2686         HOST_WIDE_INT instead of an rtx.
2687         (m68k_rtx_costs): Update call accordingly.
2688         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2689         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2690         Return a bool.
2691         (output_move_simode_const): Update calls after above changes.
2692         Rework to use automatic variables and predicates like MEM_P.
2693         * config/m68k/m68k.md (pushexthisi_const): Update call to
2694         valid_mov3q_const.
2695
2696 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2697
2698         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2699         in dump_flags test.
2700
2701 2007-01-19  Richard Guenther  <rguenther@suse.de>
2702
2703         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2704         via cexp in case sincos is not available.
2705
2706 2007-01-19  Richard Guenther  <rguenther@suse.de>
2707
2708         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2709         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2710         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2711         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2712         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2713         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2714         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2715         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2716
2717 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2718
2719         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2720         New insn patterns.
2721         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2722         (atan2xf3): Directly generate RTL pattern.
2723         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2724         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2725         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2726         disable patterns for SSE math.
2727         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2728         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2729         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2730         disable patterns for SSE math.
2731
2732 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2733
2734         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2735
2736 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2737
2738         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2739         VIEW_CONVERT_EXPR to the same type as it's operand.
2740
2741 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2742
2743         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2744         configured for long double 128.
2745
2746 2007-01-18  Mike Stump  <mrs@apple.com>
2747
2748         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2749         error.
2750
2751 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2752
2753         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2754         type correct.
2755
2756 2007-01-18  Jan Hubicka  <jh@suse.cz>
2757
2758         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2759         greater than NUM_VOP_FREE_BUCKETS.
2760
2761 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2762
2763         * tree-ssa-structalias.c: Update comments.
2764         (ptabitmap_obstack): Removed.
2765         (pta_obstack): New.
2766         (oldpta_obstack): Ditto.
2767         (stats): Add a few members.
2768         (struct variable_info): Remove node, complex, address_taken, and
2769         indirect_target members. Add oldsolution member.
2770         (new_var_info): Do not initialize removed members.
2771         (constraint_expr_type): Remove INCLUDES.
2772         (constraint_graph): Add size, implicit_preds, rep,
2773         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2774         (FIRST_REF_NODE): New macro.
2775         (LAST_REF_NODE): Ditto.
2776         (FIRST_ADDR_NODE): Ditto.
2777         (find): New function.
2778         (unite): Ditto.
2779         (dump_constraint): Do not handle INCLUDES.
2780         (insert_into_complex): Do not insert duplicate constraints.
2781         (condense_varmap_nodes): Renamed and rewritten into ...
2782         (merge_node_constraints): This. Also fix bug in handling of
2783         offseted copy constraints.
2784         (clear_edges_for_node): No longer need to deal with preds at all,
2785         or removing associated preds/succs.
2786         (merge_graph_nodes): Deal with indirect_cycles.
2787         Don't deal with predecessors.
2788         (add_implicit_graph_edge): New function.
2789         (add_pred_graph_edge): Ditto.
2790         (add_graph_edge): Don't deal with predecessors.
2791         (build_constraint_graph): Removed.
2792         (build_pred_graph): New function.
2793         (build_succ_graph): Ditto.
2794         (struct scc_info): Removed in_component. Added roots, dfs, and
2795         node_mapping. Remove visited_index, unification_queue.
2796         (scc_visit): Deal with union-find we do now.
2797         Deal with cycles with REF nodes.
2798         (collapse_nodes): Renamed and rewritten to ...
2799         (unify_nodes): This.
2800         (process_unification_queue): Removed.
2801         (topo_visit): Cleanup
2802         (do_da_constraint): Use find.
2803         (do_sd_constraint): Ditto.
2804         (do_ds_constraint): Ditto.
2805         (do_complex_constraint): Ditto.
2806         (init_scc_info): Update for removed and added members.
2807         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2808         (find_indirect_cycles): This.
2809         (equivalence_class): New variable.
2810         (label_visit): New function.
2811         (perform_variable_substitution): Rewritten.
2812         (free_var_substitution_info): New function.
2813         (find_equivalent_node): Ditto.
2814         (move_complex_constraints): Ditto.
2815         (eliminate_indirect_cycles): Ditto.
2816         (solve_graph): Only propagate changed bits.
2817         Use indirect cycle elimination.
2818         Use find.
2819         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2820         (tree_id_eq): Renamed to ...
2821         (tree_vi_eq): This. Update for member change
2822         (insert_id_for_tree): Renamed and rewritten to ...
2823         (insert_vi_for_tree): This.
2824         (lookup_id_for_tree): Renamed and rewritten to ...
2825         (lookup_vi_for_tree): This.
2826         (get_id_for_tree): Renamed and rewritten to ...
2827         (get_vi_for_tree): Ditto.
2828         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2829         (process_constraint): Don't handle INCLUDES.
2830         Remove special ADDRESSOF case.
2831         (find_func_aliases): Rewrite to use vi functions instead of id
2832         ones.
2833         (create_function_info_for): Ditto.
2834         (create_variable_info_for): Ditto.
2835         (intra_create_variable_infos): Ditto.
2836         (merge_smts_into): Ditto.
2837         (find_what_p_points_to): Ditto.
2838         (init_base_vars): Ditto.
2839         (init_alias_vars): Ditto.
2840         (remove_preds_and_fake_succs): New function.
2841         (dump_sa_points_to_info): Dump new stats.
2842         (dump_solution_for_var): Use find.
2843         (set_used_smts): Fix formatting.
2844         (compute_points_to_sets): Updated for new functions.
2845         (ipa_pta_execute): Ditto.
2846
2847 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2848             Richard Sandiford  <richard@codesourcery.com>
2849
2850         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2851         parallels.
2852         * calls.c (expand_call): If the return value is a PARALLEL,
2853         extract its first member.
2854         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2855         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2856         use FUNCTION_EXTRA_EPILOGUE.
2857         (m68k_function_value): Return a PARALLEL if the return value
2858         is of a pointer type.
2859         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2860         (FUNCTION_EXTRA_EPILOGUE): Remove.
2861         * config/m68k/m68k.md (D0_REG): New constant.
2862
2863 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2864
2865         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2866         output a NOP for empty epilogues.
2867
2868 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2869
2870         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2871         before function.  Extend register save check to include all
2872         registers, not just integer ones.
2873
2874 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2875
2876         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2877         (m68k_use_return_insn): ...this.
2878         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2879         * config/m68k/m68k.c (use_return_insn): Rename to...
2880         (m68k_use_return_insn): ...this.
2881         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2882         of USE_RETURN_INSN.
2883
2884 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2885
2886         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2887         nearest even, fix denormal rounding overflow.
2888
2889 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2890
2891         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2892         f%$smove and f%$move.
2893         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2894         (extendsfdf2_cf): Use fdmove instead of f%&move.
2895         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2896         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2897
2898 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2899
2900         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2901         GPR<-GPR moves.
2902
2903 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2904
2905         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2906         (coldfire_single_format): Declare.
2907         (coldfire_double_format): Likewise.
2908         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2909         of qnan_msb_set to determine the lower bits of a canonical
2910         NaN significand.
2911         (encode_ieee_double): Likewise.
2912         (encode_ieee_quad): Likewise.
2913         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2914         (mips_single_format): Likewise.
2915         (ieee_double_format): Likewise.
2916         (mips_double_format): Likewise.
2917         (ieee_extended_motorola_format): Likewise.
2918         (ieee_extended_intel_96_format): Likewise.
2919         (ieee_extended_intel_128_format): Likewise.
2920         (ieee_extended_intel_96_round_53_format): Likewise.
2921         (ibm_extended_format): Likewise.
2922         (mips_extended_format): Likewise.
2923         (ieee_quad_format): Likewise.
2924         (mips_quad_format): Likewise.
2925         (vax_f_format): Likewise.
2926         (vax_d_format): Likewise.
2927         (vax_g_format): Likewise.
2928         (i370_single_format): Likewise.
2929         (i370_double_format): Likewise.
2930         (decimal_single_format): Likewise.
2931         (decimal_double_format): Likewise.
2932         (decimal_quad_format): Likewise.
2933         (c4x_single_format): Likewise.
2934         (c4x_extended_format): Likewise.
2935         (real_internal_format): Likewise.
2936         (coldfire_single_format): New real_format.
2937         (coldfire_double_format): Likewise.
2938         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2939         canonical_nan_lsbs_set.
2940         (pdp11_d_format): Likewise.
2941         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2942         if TARGET_COLDFIRE_CPU.
2943
2944 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2945
2946         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2947         (output_call, m68k_legitimize_call_address): Declare.
2948         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2949         parenthesees.  Add support for a 'W' constraint.
2950         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2951         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2952         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2953         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2954         variables.
2955         (override_options): Initialize them.  Do not set flag_no_function_cse
2956         for TARGET_ID_SHARED_LIBRARY.
2957         (m68k_output_pic_call): Delete.
2958         (m68k_legitimize_call_address): New function.
2959         (print_operand): Remove the %o prefix.  Handle the %p prefix.
2960         (output_call): New function.
2961         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
2962         target address from the GOT if symbolic jumps are not allowed.
2963         * config/m68k/m68k.md (call, general_operand): Do not set
2964         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
2965         Merge separate flag_pic and !flag_pic define_insns into...
2966         (*call, *call_value): ...these new patterns.  Match the address
2967         rather than the containing MEM and require it to be a call_operand.
2968         Use output_call to generate the asm template.
2969         * config/m68k/predicates.md (const_call_operand): New predicate.
2970         (call_operand): Likewise.
2971
2972 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2973
2974         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2975         (STACK_GROWS_DOWNWARD): Define to 1.
2976         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2977         comments, emphasizing that these values are only defaults.
2978         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2979         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2980
2981 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2982
2983         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2984
2985 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2986             Richard Sandiford  <richard@codesourcery.com>
2987
2988         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2989         (FP_REGNO_P): New macros.
2990         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2991         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2992         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2993         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2994
2995 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2996
2997         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2998         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2999         to $tmake_file.
3000         * config/m68k/t-floatlib: New file, extracting common code from...
3001         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3002         * config/m68k/t-uclinux: Here.
3003         * config/m68k/fpgnulib.c: Do not compile extendeed precision
3004         routines on ColdFire targets.
3005
3006 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3007
3008         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3009         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
3010         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
3011         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
3012         explicitly set MOTOROLA to 1.
3013         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
3014
3015 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3016             Nathan Sidwell  <nathan@codesourcery.com>
3017
3018         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
3019         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
3020         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
3021         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
3022         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
3023         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
3024         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
3025         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
3026         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
3027         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3028         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
3029         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
3030         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
3031         (DBX_REGISTER_NUMBER): Delete.
3032         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
3033         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3034         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
3035
3036 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3037
3038         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
3039         * config/flat.h: New file.
3040         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
3041         OBJECT_FORMAT_FLAT.
3042         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
3043         indirect references for -msep-data or -mid-shared-library.
3044         Do not use PC-relative code addresses either.
3045         * config/m68k/m68k.c (override_options): Restrict -fPIC error
3046         to -mpcrel.
3047         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
3048         for shared libraries and crt1.o for executables.  Use crti.o and
3049         crtbegin.o.
3050         (ENDFILE_SPEC): Use crtend.o and crtn.o.
3051         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
3052         Do not add -elf2flt or -shared-lib-id options here.
3053         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
3054         Pass -shared-lib-id if -mid-shared-library, taking the library
3055         identifier from -mshared-library-id if given, otherwise
3056         defaulting to 0.
3057         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
3058         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
3059         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
3060         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
3061         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
3062         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
3063         and crtend.o.
3064         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
3065         jump sequence for ISA A and ISA A+.
3066         (PICJUMP): Likewise.
3067
3068 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3069
3070         * config.gcc (m68k-*-uclinux*): Base the port on the common
3071         and m68k GNU/Linux files rather than on the generic ELF ones.
3072         * config/m68k/uclinux.h (TARGET_VERSION): Override.
3073         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3074
3075 2007-01-18  Julian Brown  <julian@codesourcery.com>
3076             Richard Sandiford  <richard@codesourcery.com>
3077
3078         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
3079         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3080         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
3081         before redefining.
3082         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
3083         80 unconditionally.
3084         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3085
3086 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3087
3088         * doc/install.texi: Document m68k-uclinuxoldabi.
3089         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
3090         * config/m68k/uclinux-oldabi.h: New file, copied from
3091         config/m68k/uclinux.h.
3092
3093 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
3094
3095         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
3096         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
3097         (m32r_compute_frame_size): Use unsigned for regno.
3098         (m32r_reload_lr): Use gen_frame_mem.
3099         (pop): New.
3100         (m32r_output_function_epilogue): Don't output the function epilogue
3101         textually here.
3102         (m32r_expand_epilogue): New.
3103         (direct_return): Return false if the function has the interrupt
3104         attribute.
3105         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
3106         * config/m32r/m32r.md (epilogue): New expander.
3107         (return_lr, return_rte): New insns.
3108         (return): Make it expander.
3109         (return_normal): New expander.
3110
3111 2007-01-18  Josh Conner  <jconner@apple.com>
3112
3113         PR target/30485
3114         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
3115         support for UNLE, UNLT, UNGE, and UNGT.
3116
3117 2007-01-18  Jan Hubicka  <jh@suse.cz>
3118
3119         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
3120         * tree-tailcall (add_virtual_phis): Likewise.
3121         (optimize_tail_call): Return TODOs.
3122         (execute_tail_calls): Return TODOs.
3123         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
3124         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
3125         changed.
3126         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3127         Cleanup cfg using TODO.
3128         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
3129         * passes.c (execute_function_todo): When cleanup did something, remove
3130         unused locals.
3131         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
3132         (make_edges): Don't cleanup_cfg.
3133
3134 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
3135
3136         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
3137         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
3138         operate on the top of stack.
3139         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
3140         register handling of instructions that output to the second
3141         stack slot.
3142         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
3143         (move_for_stack_reg): Special-case check for dead destination
3144         stack slot for constant load of 1.0 inside UNSPEC_TAN.
3145
3146         * config/i386/i386.md (UNSPEC_TAN): New constant.
3147         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
3148         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
3149         to correctly model move of constant 1.0 to top stack slot.
3150         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
3151         (unnamed peephole2 pattern): Remove corresponding peephole2
3152         pattern that optimizes tan insn and loading of constant 1.0.
3153         (tanxf2): Use fptanxf4_i387.
3154         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
3155         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
3156         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3157         disable patterns for SSE math.
3158         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
3159         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
3160
3161 2007-01-18  Dirk Mueller  <dmueller@suse.de>
3162             Richard Guenther <rguenther@suse.de>
3163
3164         PR diagnostic/8268
3165         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
3166         * common.opt (Warray-bounds): Add new warning option.
3167         * c-opts.c (c_common_handle_option): Define -Warray-bounds
3168         if -Wall is given.
3169         * Makefile.in: make tree-vrp.o depend on toplev.h
3170         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
3171         is enabled.
3172         (check_array_refs, check_array_bounds, check_array_ref): New.
3173
3174 2007-01-18  Jan Hubicka  <jh@suse.cz>
3175
3176         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
3177         (execute_ssa_ccp): Return flags conditionally.
3178         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
3179         changed.
3180         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
3181
3182 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
3183
3184         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
3185         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
3186
3187         * Makefile.c (GTFILES): Add cfglayout.h.
3188         * gengtype.c (open_base_files): Likewise.
3189         * cfglayout.c (cfg_layout_function_footer,
3190         cfg_layout_function_header) Reindent to make gengtype happy.
3191         * cfglayout.h (cfg_layout_function_footer,
3192         cfg_layout_function_header): Add GTY(()) marker.
3193
3194         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
3195
3196 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3197
3198         * genautomata.c (write_automata): Include xstrerror output in the
3199         error message if writing the DFA description file fails.
3200
3201 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3202
3203         * config/mips/mips-protos.h (mips_output_external): Make it
3204         return void.
3205         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
3206         * config/mips/mips.c (irix_output_external_libcall): Likewise.
3207         (extern_list): Likewise.
3208         (extern_head): Likewise.
3209         (TARGET_ASM_FILE_END): Likewise.
3210         (mips_file_end): Likewise.
3211         (mips_output_external): Rewritten.
3212
3213 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3214
3215         * genpreds.c (write_insn_preds_c): Only write out the function
3216         body for regclass_for_constraint if we have register constraints.
3217
3218 2007-01-17  Tom Tromey  <tromey@redhat.com>
3219
3220         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3221         * doc/install.texi (Testing): Use sourceware.org.
3222         (Binaries): Likewise.
3223         (Specific): Likewise.
3224         * doc/contrib.texi (Contributors): Use sourceware.org.
3225
3226 2007-01-17  Anatoly Sokolov <aesok@post.ru>
3227
3228         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3229         (AVR_ENHANCED): Rename to ...
3230         (AVR_HAVE_MUL): ... new.
3231         (avr_enhanced_p): Rename to ...
3232         (avr_have_mul_p): ... new.
3233         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3234         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3235         * config/avr/avr.c (avr_enhanced_p): Rename to ...
3236         (avr_have_mul_p): ... new.
3237         (base_arch_s): Rename 'enhanced' to 'have_mul'.
3238         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3239         'avr_enhanced_p' and 'enhanced'.
3240         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3241         AVR_HAVE_MUL instead of AVR_ENHANCED.
3242         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3243         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3244         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3245         instead of AVR_ENHANCED.
3246         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3247         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3248         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3249
3250 2007-01-17  Ian Lance Taylor  <iant@google.com>
3251
3252         * vec.h (VEC_reserve_exact): Define.
3253         (vec_gc_p_reserve_exact): Declare.
3254         (vec_gc_o_reserve_exact): Declare.
3255         (vec_heap_p_reserve_exact): Declare.
3256         (vec_heap_o_reserve_exact): Declare.
3257         (VEC_OP (T,A,reserve_exact)): New static inline function, three
3258         versions.
3259         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3260         negative parameter.
3261         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3262         (VEC_OP (T,A,copy)) [all versions]: Likewise.
3263         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3264         * vec.c (calculate_allocation): Add exact parameter.  Change all
3265         callers.
3266         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3267         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3268         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3269         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3270         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3271         (vec_heap_p_reserve_exact): New function.
3272         (vec_heap_o_reserve_exact): New function.
3273
3274 2007-01-17  Jan Hubicka  <jh@suse.cz>
3275
3276         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
3277
3278 2007-01-17  Eric Christopher  <echristo@apple.com>
3279
3280         * config.gcc: Support core2 processor.
3281
3282 2007-01-16  Jan Hubicka  <jh@suse.cz>
3283
3284         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
3285         the names, just unlink the chain so we don't crash on dangling pointers
3286         to dead SSA names.
3287
3288 2007-01-16  Jan Hubicka  <jh@suse.cz>
3289
3290         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
3291         * tree-pass.h: Reorder to make IPA passes appear toegher.
3292         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
3293         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3294         parameters, do not call early inliner.
3295         * ipa-inline.c: Update comments.  Include tree-flow.h
3296         (cgraph_decide_inlining): Do not compute inlining parameters.
3297         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3298         be called with function context set up.
3299         (pass_ipa_inline): Remove unreachable functions before pass.
3300         (cgraph_early_inlining): Simplify assuming to be called from the
3301         PM as local pass.
3302         (pass_early_inline): New pass.
3303         (cgraph_gate_ipa_early_inlining): New gate.
3304         (pass_ipa_early_inline): Turn into simple wrapper.
3305         (compute_inline_parameters): New function.
3306         (gate_inline_passes): New gate.
3307         (pass_inline_parameters): New pass.
3308         (apply_inline): Move here from tree-optimize.c
3309         (pass_apply_inline): New pass.
3310         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3311         transforming.
3312         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3313         doing them by hand.
3314         (tree_function_versioning): Do not allocate dummy struct function.
3315         * tree-inline.h (optimize_inline_calls): Update prototype.
3316         * tree-optimize.c (execute_fixup_cfg): Export.
3317         (pass_fixup_cfg): Remove
3318         (tree_rest_of_compilation): Do not apply inlines.
3319         * tree-flow.h (execute_fixup_cfg): Declare.
3320         * Makefile.in (gt-passes.c): New.
3321         * passes.c: Include gt-passes.h
3322         (init_optimization_passes): New passes.
3323         (nnodes, order): New static vars.
3324         (do_per_function_toporder): New function.
3325         (execute_one_pass): Dump current pass here.
3326         (execute_ipa_pass_list): Don't dump current pass here.
3327
3328 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
3329
3330         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3331         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3332
3333 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
3334
3335         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3336         (strong_alias): Define.
3337         (__gcc_qmul): Provide non-FMA for soft-float.
3338         (__gcc_qdiv): Same.
3339         (__gcc_qneg): New.
3340         (__gcc_qeq): New.
3341         (__gcc_qle): New.
3342         (__gcc_qge): New.
3343         (__gcc_qunord): New.
3344         (__gcc_stoq): New.
3345         (__gcc_dtoq): New.
3346         (__gcc_qtos): New.
3347         (__gcc_qtod): New.
3348         (__gcc_qtoi): New.
3349         (__gcc_qtou): New.
3350         (__gcc_itoq): New.
3351         (__gcc_utoq): New.
3352         (fmsub): New.
3353         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3354         soft-float functions.
3355         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3356         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3357         about long double soft float.
3358
3359 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
3360             Tehila Meyzels  <tehila@il.ibm.com>
3361
3362         * tree-vectorizer.h (is_pattern_stmt_p): New.
3363         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3364         formatting (tabs instead of spaces). Cleanup and clarify setting
3365         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3366         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3367         (vectorizable_type_demotion): Check that types are integral.
3368         (vectorizable_type_promotion): Likewise.
3369         (vectorizable_store): Fix typo.  Eliminate new-line at end of
3370         comments.
3371
3372 2007-01-16  Jan Hubicka  <jh@suse.cz>
3373
3374         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3375         cgraph edges too.
3376
3377 2007-01-15  Eric Christopher  <echristo@apple.com>
3378
3379         * ifcvt.c: Include vec.h, vecprim.h.
3380         (check_cond_move_block): New argument regs.
3381         Reorganize. Add registers used to regs.
3382         (cond_move_process_if_block): Use regs set above as
3383         loop bounds.
3384
3385 2007-01-15  Eric Christopher  <echristo@apple.com>
3386
3387         * config/darwin.h: Update copyright.
3388         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3389         (LINK_COMMAND_SPEC): Add -u.
3390         (LINK_SPEC): Fix umbrella for above.
3391
3392 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
3393
3394         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3395         glibc CVS.
3396
3397 2007-01-15  Tom Tromey  <tromey@redhat.com>
3398
3399         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3400         * doc/install.texi (Testing): Don't mention jacks.
3401         (Configuration): Document --enable-java-maintainer-mode.  Move
3402         --with-java-home to libgcj-specific section.  Document
3403         --with-ecj-jar.
3404         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3405
3406 2007-01-15  Jan Hubicka  <jh@suse.cz>
3407
3408         * tree-ssa-dce.c (DCE_TODOs): New.
3409         (propagate_necessity): Return if something changed.
3410         (eliminate_unnecessary_stmts): Likewise.
3411         (perform_tree_ssa_dce): Return TODO flags when needed.
3412         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3413
3414 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
3415
3416         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3417         (fyl2x_extend<mode>xf3_i387): New insn pattern.
3418         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3419         patterns using X87MODEF12 mode macro.  Extend operand 1
3420         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3421         (log10<mode>2): Ditto.
3422         (log2<mode>2): Ditto.
3423         (log1p<mode>2): Ditto.
3424         (logb<mode>2): Ditto.
3425         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3426         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3427         (*fxtractxf3_i387): Rename from *fxtractxf3.
3428         (fxtract_extend<mode>xf3_i387): New insn pattern.
3429         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3430         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3431         and gen_fyl2xxf3_i387().
3432
3433 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3434
3435         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3436         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
3437         get_loop_exit_edges.  Changed return type to bool.
3438         * cfgloop.h (fix_loop_placement): Declaration removed.
3439
3440 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
3441
3442         * param.h (MIN_VECT_LOOP_BOUND): New.
3443         * params.def (MIN_VECT_LOOP_BOUND): New.
3444         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3445         argument - minimum threshold for number of iterations.
3446         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3447         argument to declaration.
3448         * tree-vect-analyze.c (vect_analyze_operations): Check value of
3449         MIN_VECT_LOOP_BOUND.
3450         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3451         slpeel_tree_peel_loop_to_edge with additional argument.
3452         (vect_do_peeling_for_alignment): Likewise.
3453         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3454
3455 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
3456
3457         PR target/30413
3458         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3459         operands of size 1.
3460
3461 2007-01-14  Jan Hubicka  <jh@suse.cz>
3462
3463         * tree-dfa.c (remove_referenced_var): New function.
3464         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3465         prune referenced vars list too.
3466         * tree-flow.h (remove_referenced_var): Declare.
3467
3468 2007-01-14  Jan Hubicka  <jh@suse.cz>
3469
3470         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3471         separately.
3472         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3473         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3474         * except.h (verify_eh_throw_table_statements): Kill prototype.
3475         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3476         into call exrepssions.
3477         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3478         eh trhow verifier.
3479         * tree-cfg.c: Include pointer-set.h.
3480         (verify_node_sharing): Work on pointer set.
3481         (verify_eh_throw_stmt_node): New.
3482         (verify_stmts): Use pointers sets, verify throw_stmt.
3483
3484 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
3485
3486         * ipa-reference.c (analyze_function): Consider also addresses taken
3487         in phi nodes.
3488
3489 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3490
3491         * c-typeck.c (null_pointer_constant_p): Replace use of
3492         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3493         (build_c_cast): Likewise.
3494
3495 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3496
3497         * tree.h (force_fit_type_double): Remove unused final argument.
3498         * c-common.c (constant_expression_warning): Replace use of
3499         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3500         (convert_and_check): Likewise.
3501         (shorten_compare): Update call to force_fit_type_double.
3502         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3503         * convert.c (convert_to_pointer): Update call to
3504         force_fit_type_double.
3505         * fold-const.c (force_fit_type_double): Remove overflowed_const
3506         argument.
3507         (int_const_binop, fold_convert_const_int_from_int,
3508         fold_convert_const_int_from_real, fold_div_compare,
3509         fold_sign_changed_comparison, fold_unary, fold_negate_const,
3510         fold_abs_const, fold_not_const): Remove the final argument from
3511         calls to force_fit_type_double.
3512
3513 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3514
3515         * configure.ac: Set insn to "nop" for spu-*-* also.
3516         * configure: Regenerate.
3517
3518 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
3519
3520         * builtins.def : Add BUILT_IN_FREE.
3521
3522 2007-01-12  Jan Hubicka  <jh@suse.cz>
3523
3524         PR tree-optimization/30443
3525         * tree-inline.c (tree_function_versioning): Do not optimize when
3526         cloning for inlining.
3527
3528 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
3529
3530         * doc/loop.texi: Document recording of loop exits.
3531         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3532         (update_single_exits_after_duplication,
3533         update_single_exit_for_duplicated_loop,
3534         update_single_exit_for_duplicated_loops): Removed.
3535         (duplicate_loop_to_header_edge): Do not call
3536         update_single_exits_after_duplication and
3537         update_single_exit_for_duplicated_loops.
3538         (loop_version): Do not update single_exit information.
3539         (fix_loop_structure): Use record_loop_exits instead of
3540         mark_single_exit_loops.
3541         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3542         the lists of loop exits.
3543         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3544         split_edge, merge_blocks): Update the lists of loop exits.
3545         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3546         loop_optimizer_init.
3547         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3548         of mark_single_exit_loops.
3549         (loop_optimizer_finalize): Call release_recorded_exits.
3550         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3551         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3552         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3553         update single exit information.
3554         * lambda-code.c (perfect_nestify): Ditto.
3555         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3556         (mark_single_exit_loops): Removed.
3557         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3558         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3559         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3560         functions.
3561         (get_loop_exit_edges, single_exit): Use recorded exit lists.
3562         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3563         (verify_loop_structure): Verify consistency of the exit lists.
3564         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
3565         (set_single_exit): Removed.
3566         * cfgloop.h (struct loop_exit): New function.
3567         (struct loop): single_exit_ field replaced by exits field.
3568         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3569         (struct loops): Added exits hash.
3570         (mark_single_exit_loops, set_single_exit): Declaration removed.
3571         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3572
3573 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3574
3575         * doc/invoke.texi: Avoid use of @headitem.
3576
3577 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3578
3579         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3580
3581 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3582
3583         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3584         list of targets.
3585
3586 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3587             Richard Sandiford  <richard@codesourcery.com>
3588
3589         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3590         * config/m68k/m68k.opt: Resort options.
3591         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3592
3593 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3594             Richard Sandiford  <richard@codesourcery.com>
3595
3596         * doc/invoke.texi: Document the macros that are defined by
3597         m68k's -mtune and -mhard-float options.
3598         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3599         (m68k_cpp_cpu_family): Likewise.
3600         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3601         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
3602         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
3603         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3604         (m68k_cpp_cpu_family): Likewise.
3605
3606 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3607
3608         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3609         macros besides mc68000 as tuning macros.  Use a switch statement
3610         to set them and mcpu32.
3611
3612 2007-01-12  Julian Brown  <julian@codesourcery.com>
3613
3614         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3615         (TARGET_68040_ONLY): Rename to...
3616         (TARGET_68040): ...this.
3617         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3618         * config/m68k/m68k.md: Likewise.
3619
3620 2007-01-12  Julian Brown  <julian@codesourcery.com>
3621             Nathan Sidwell  <nathan@codesourcery.com>
3622             Richard Sandiford  <richard@codesourcery.com>
3623
3624         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3625         the -mcpu= argument associated with the --with-cpu setting.
3626         Define M68K_DEFAULT_TUNE to the default -mtune= option,
3627         if different from the one implied by the -mcpu setting.
3628         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3629         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
3630         * doc/invoke.texi: Mention ColdFire in the introduction to the
3631         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
3632         -mno-div and -mhard-float options.  Make -m68881 a synonym for
3633         -mhard-float.  Document the previously-undocumented -m5206e,
3634         -m528x, -m5307 and -m5407 options.  Tweak the existing option
3635         documentation for consistency.
3636         * doc/install.texi: Mention new --with-cpu arguments.
3637         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3638         default CPU if neither -mcpu nor -march are specified.
3639         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3640         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3641         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
3642         using m68k_tune to decide between families that implement the
3643         same ISA.  Use m68k_tune to set __mcfv4e__.
3644         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3645         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3646         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3647         (FL_ISA_C, FL_ISA_MMU): New macros.
3648         (MASK_COLDFIRE): Delete.
3649         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3650         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3651         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3652         (TARGET_HARD_FLOAT): Do not define here.
3653         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3654         (TUNE_68000): New macro.
3655         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3656         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3657         (TUNE_CFV2): Redefine in terms of m68k_tune.
3658         (uarch_type, target_device, fpu_type): New enums.
3659         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3660         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3661         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3662         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3663         (FL_FOR_isa_c): New macros.
3664         (m68k_isa): New enum.
3665         (m68k_target_selection): New structure.
3666         (all_devices, all_isas, all_microarchs): New tables.
3667         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3668         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3669         (MASK_ALL_CPU_BITS): Delete.
3670         (m68k_find_selection): New function.
3671         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3672         Map the legacy target options to a combination of the new ones.
3673         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3674         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3675         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3676         settings.
3677         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3678         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3679         properties.
3680         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3681         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3682         * config/m68k/m68k-devices.def: New file.
3683
3684 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3685             Nathan Sidwell  <nathan@codesourcery.com>
3686
3687         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3688         (SUBTARGET_EXTRA_SPECS): New macros.
3689         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3690         use %(asm_cpu_spec) instead.
3691         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3692         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3693         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3694         (EXTRA_SPECS): Rename to...
3695         (SUBTARGET_EXTRA_SPECS): ...this.
3696
3697 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3698             Richard Sandiford  <richard@codesourcery.com>
3699             Julian Brown  <julian@codesourcery.com>
3700
3701         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3702         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3703         to the configuration's default CPU.
3704         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3705         Remove default masks.
3706         (m680[012]0-*-*): Set the default with_cpu to the first part of
3707         the target name.
3708         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3709         (m68k*-*-linux): Extend the --with-cpu handling to...
3710         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3711         and m68010.  Don't set target_cpu_default2.
3712         * doc/install.texi: Document --with-cpu for m68k.
3713         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3714         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3715         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3716         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3717         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3718         (ASM_SPEC): Remove use of %(asm_cpu_default).
3719         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3720         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3721         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3722         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3723         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3724         (TARGET_DEFAULT): Delete.
3725         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3726         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3727         (CPP_CPU_SPEC): Delete.
3728         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3729         the appropriate string.
3730         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3731         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3732         (ASM_SPEC): Don't use %(asm_default_spec).
3733         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3734         TARGET_DEFAULT and add MASK_68881.
3735         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3736
3737 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3738
3739         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3740         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3741         MASK_68010 alongside MASK_68020.
3742         * doc/invoke.texi: Document -m68010.
3743         * config/m68k/m68k.opt (m68010): New.
3744         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3745         if TUNE_68010.
3746         (TUNE_68010): New macro.
3747         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3748         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3749         (M68K_CPU_m68332): Add MASK_68010.
3750         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3751         fallback definition.
3752         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3753         defines.
3754         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3755         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3756         to all entries that use MASK_68020.
3757         (output_move_simode_const, output_move_himode, output_move_qimode)
3758         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3759         instead of TARGET_68020 to select clr behavior.  Remove comment
3760         about there being no TARGET_68010.
3761         * config/m68k/m68k.md: Likewise throughout.
3762
3763 2007-01-12  Julian Brown  <julian@codesourcery.com>
3764
3765         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3766         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3767         * config/m68k/m68k.md: Likewise.
3768
3769 2007-01-12  Julian Brown  <julian@codesourcery.com>
3770
3771         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3772         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3773
3774 2007-01-12  Julian Brown  <julian@codesourcery.com>
3775
3776         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3777         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3778         * config/m68k/m68k.md: Likewise.
3779
3780 2007-01-12  Julian Brown  <julian@codesourcery.com>
3781             Richard Sandiford  <richard@codesourcery.com>
3782
3783         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3784         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3785         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3786         TARGET_CPU32.
3787         (TARGET_CPU32): Rename to...
3788         (TUNE_CPU32): ...this.
3789         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3790         (TUNE_CFV2): New macros.
3791         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3792         remove conditions that are implied by TARGET_68020.
3793         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3794         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3795         (m68k_output_function_epilogue): Likewise.
3796         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3797         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3798         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3799         non-68000 timings.  Refactor multiplication and division costs.
3800         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3801         TUNE_CPU32 instead of TARGET_CPU32.
3802         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3803         and TUNE_68060 instead of TARGET_68060.
3804         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3805         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3806         TARGET_CPU32.
3807         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3808         && !TARGET_COLDFIRE" to choose between moveq and clr.
3809         Likewise in the unnamed movsf pattern.
3810         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3811         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3812         ashiftrt pattern.
3813
3814 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3815
3816         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3817         of tabbing before backslashes.
3818
3819 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3820
3821         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3822         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3823         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3824
3825 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3826
3827         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3828         find_interesting_uses_cond.
3829         (find_interesting_uses_cond): Use extract_cond_operands.
3830         (rewrite_use_compare): Use extract_cond_operands and
3831         force_gimple_operand_bsi.  Do not call update_stmt.
3832         (determine_use_iv_cost_condition): Use extract_cond_operands.
3833         Return cheaper of using original bound and changing the exit bound.
3834
3835 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3836
3837         PR tree-optimization/29516
3838         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3839         most_expensive_mult_to_index, addr_to_parts,
3840         create_mem_ref, maybe_fold_tmr): Make the type of
3841         fields of TARGET_MEM_REF sizetype.
3842         (move_fixed_address_to_symbol, move_pointer_to_base):
3843         New functions.
3844         * tree.def (TARGET_MEM_REF): Add comment on types of
3845         the operands.
3846
3847 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3848
3849         * c-common.c (vector_types_convertible_p): Treat opaque types as
3850         always convertible if they have the same size, but not otherwise.
3851
3852 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3853
3854         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3855         Remove the b_unconditional field.
3856         (noce_try_sign_mask): Do not look at b_unconditional.
3857         (noce_process_if_block): Do not use merge_if_blocks.  Update
3858         the CFG here.  Do not set b_unconditional.
3859         (cond_move_process_if_block): Likewise.
3860         (find_cond_trap): Likewise.
3861         (check_cond_move_block): Require simple jump insns at the end
3862         of the basic block.
3863
3864 2007-01-11  Jan Hubicka  <jh@suse.cz>
3865
3866         PR tree-optimization/1046
3867         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3868         when alias info is not ready.
3869         (pass_tail_recursion): Do not require aliasing.
3870         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3871         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3872         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3873         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3874         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3875         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3876         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3877         before inlining.
3878         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3879         When aliasing is not build, mark statement as volatile.
3880
3881 2007-01-11  Tom Tromey  <tromey@redhat.com>
3882
3883         PR preprocessor/15185, PR preprocessor/20989:
3884         * doc/cppopts.texi <-MT>: Update description of algorithm for
3885         computing default target.
3886         <-M, -MD>: Reword "basename" text.
3887
3888 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3889
3890         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3891         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3892         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3893         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3894         fold_builtin_bswap, real_constp, fold_builtin_pow,
3895         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3896         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3897         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3898         * convert.c (convert_to_pointer): Likewise.
3899         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3900         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3901         const_binop, fold_convert_const_int_from_int,
3902         fold_convert_const_int_from_real,
3903         fold_convert_const_real_from_real, sign_bit_p,
3904         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3905         fold_sign_changed_comparison, fold_unary, fold_comparison,
3906         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3907         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3908         * print-tree.c (print_node_brief, print_node): Likewise.
3909         * stor-layout.c (place_field, layout_type): Likewise.
3910         * tree-chrec.c (keep_cast): Likewise.
3911         * tree.c (build_vector, build_real, build_real_from_int_cst,
3912         build_complex): Likewise.
3913
3914 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3915
3916         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3917         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3918
3919 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3920
3921         * configure.ac (strict1_warn): Rename to strict_warn.
3922         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3923         cc_set_by_configure, quoted_cc_set_by_configure,
3924         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3925         all_boot_languages, all_stagestuff): Remove.
3926         (target_list): Remove bootstrap targets.
3927         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3928         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3929         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3930         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3931         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3932         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3933         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3934         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3935         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3936         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3937         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3938         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3939         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3940         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3941         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3942         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3943         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3944         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3945         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3946         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3947         (mostlyclean): Adjust.
3948         (clean, distclean): Don't mention bootstrap stuff.
3949         * configure: Regenerate.
3950         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3951         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3952         treelang/config-lang.in (stagestuff): Remove.
3953         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3954         stageprofile, stagefeedback, stagestuff): Remove mention.
3955
3956 2007-01-11  Nick Clifton  <nickc@redhat.com>
3957
3958         * config/mcore/predicates.md (mcore_general_movesrc_operand):
3959         Accept CONSTs.
3960         (mcore_general_movdst_operand): Do not accept CONST_INTs.
3961         (mcore_arith_K_S_operand): Run the test for the S constraint not
3962         the test for the M constraint.
3963         (mcore_addsub_operand): Do not accept integer values that are
3964         larger than 32 bits.
3965         * config/mcore/mcore.md: Remove unused constraints from split.
3966         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3967         (addsi3): Likewise.
3968         (allocate_stack): Likewise.
3969         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3970         operands to 32 bits.
3971         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3972         INTVAL.
3973         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3974         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3975         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3976         mcore_output_bclri, mcore_output_andn, output_inline_const,
3977         mcore_output_move, mcore_output_movedouble): Likewise.
3978         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3979         (output_inline_const): Likewise.
3980         (output_inline_const): Fix format strings used in sprintf
3981         statements.
3982         * config/mcore/mcore-protos.h: Update prototypes for changed
3983         functions in mcore.c.
3984         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3985         HOST_WIDE_INT and not int.
3986         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3987         CONST_OK_FOR_N): Likewise.
3988         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3989         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3990         an INTVAL.
3991
3992 2007-01-10  Jan Hubicka  <jh@suse.cz>
3993
3994         * tree-vrp.c (remove_range_assertions): Release defs.
3995         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3996         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3997
3998 2007-01-10  Paul Brook  <paul@codesourcery.com>
3999
4000         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
4001         * config/arm/arm.md (mulsi3subsi): New insn.
4002
4003 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
4004
4005         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
4006         (tree_transform_and_unroll_loop): New.
4007         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
4008         Declare.
4009
4010 2007-01-10  Robert Kennedy <jimbob@google.com>
4011
4012         * fold-const.c (fold_comparison): Fold comparisons like (x *
4013         1000 < 0) to (x < 0).
4014
4015 2007-01-10  Ian Lance Taylor  <iant@google.com>
4016
4017         * tree-pretty-print.c (dump_generic_node): Print parentheses when
4018         operands have the same priority.
4019
4020 2007-01-10  Tom Tromey  <tromey@redhat.com>
4021
4022         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
4023         (fold_binary): Likewise.
4024         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
4025         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
4026         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
4027         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
4028         * langhooks.h (struct lang_hooks): Removed field
4029         'can_use_bit_fields_p'.
4030
4031 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
4032
4033         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
4034
4035 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
4036
4037         * function.c (get_last_funcdef_no): New function.
4038         * function.h (get_last_funcdef_no): Declare.
4039         * tree-inline.c (initialize_cfun): Add initialization.
4040         (tree_function_versioning): Cleanup.
4041
4042 2007-01-10  Jan Hubicka  <jh@suse.cz>
4043
4044         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
4045         PHIs.
4046
4047 2007-01-10  Sa Liu  <saliu@de.ibm.com>
4048             Ben Elliston  <bje@au.ibm.com>
4049
4050         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
4051         for SAVE_NONLOCAL and Pmode for any other save level.
4052         * spu-protos.h (spu_restore_stack_block): Declare.
4053         * spu.md (save_stack_block): Remove.
4054         (restore_stack_block): Call spu_restore_stack_block.
4055         * spu.c (spu_restore_stack_block): New function.
4056         (spu_expand_epilogue): Remove old comment.
4057
4058 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
4059
4060         PR tree-optimization/30322
4061         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
4062         (cand_value_at): Return the value as aff_tree.
4063         (may_eliminate_iv): Convert the bound from aff_tree to tree.
4064         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
4065         aff_combination_mult): New functions.
4066         (aff_combination_add): Use aff_combination_add_cst.
4067         (aff_combination_convert): Allow conversions to a wider type.
4068         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
4069         * tree-affine.h (aff_combination_mult): Declare.
4070
4071 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
4072
4073         * doc/tm.texi: Update documentation to reflect reality of exec
4074         and start file search behaviours. Update copyright year.
4075         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
4076         header file directories.
4077
4078 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
4079
4080         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
4081         (*cosxf2): Rename to cosxf2_i387.
4082         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
4083         using X87MODEF12 mode macro. Rename patterns to
4084         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
4085         for SSE math.
4086         (*cosdf2, *cossf2): Ditto.
4087         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
4088         to match extended input operands.
4089         (sincos<mode>3): New expander.
4090         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
4091         insn patterns and corresponding splitters.
4092
4093 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4094
4095         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
4096         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
4097
4098 2007-01-09  Nicolas Pitre  <nico@cam.org>
4099
4100         PR target/30173
4101         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
4102
4103 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
4104
4105         * target.h (struct gcc_target): New field library_rtti_comdat.
4106         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
4107         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
4108         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
4109         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
4110
4111 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
4112
4113         * doc/invoke.texi (Optimize Options): Correct description of -O0.
4114
4115 2007-01-08  Richard Guenther  <rguenther@suse.de>
4116
4117         * tree.h (force_fit_type_double): Export.
4118         (force_fit_type): Remove.
4119         * fold-const.c (force_fit_type_double): New function.
4120         (force_fit_type): Remove.
4121         (int_const_binop): Use it.
4122         (fold_convert_const_int_from_int): Likewise.
4123         (fold_convert_const_int_from_real): Likewise.
4124         (fold_div_compare): Likewise.
4125         (fold_sign_changed_comparison): Likewise.
4126         (fold_unary): Likewise.
4127         (fold_negate_const): Likewise.
4128         (fold_abs_const): Likewise.
4129         (fold_not_const): Likewise.
4130         * c-common.c (shorten_compare): Use force_fit_type_double.
4131         * convert.c (convert_to_pointer): Likewise.
4132
4133 2007-01-08  Richard Guenther  <rguenther@suse.de>
4134
4135         * tree.h (build_int_cst_wide_type): Export.
4136         * tree.c (build_int_cst_wide_type): New function.
4137         (build_int_cst_wide): Fix comment.
4138         * builtins.c (fold_builtin_object_size): Use build_int_cst
4139         to build -1 or 0 of the correct type.  Use fit_double_type
4140         to check for overflow.
4141         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
4142         to build the mask.
4143         (decode_field_reference): Likewise.
4144         (all_ones_mask_p): Likewise.
4145         (native_interpret_int): Use build_int_cst_wide_type.
4146         (fold_binary): Use build_int_cst_type to build an all-ones
4147         value.
4148         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
4149
4150 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
4151
4152         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
4153
4154 2007-01-09  Ben Elliston  <bje@au.ibm.com>
4155
4156         * genautomata.c (STATS_OPTION): New option.
4157         (stats_flag): New flag.
4158         (gen_automata_option): Handle it.
4159         (initiate_automaton_gen): Ditto.
4160         (write_automata): Output statistics only if stats_flag is
4161         set. Likewise, output time statistics only if time_flag is set.
4162         * doc/md.texi (Processor pipeline description): Document new flag.
4163
4164 2007-01-08  Richard Guenther  <rguenther@suse.de>
4165
4166         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
4167         * tree.c (build_int_cst_type): Likewise.
4168         (size_in_bytes): Don't call force_fit_type on the result.
4169         (int_fits_type_p): Use fit_double_type.
4170         * fold-const.c (fit_double_type): New function.
4171         (force_fit_type): Use it.
4172         * tree.h (fit_double_type): Export.
4173
4174 2007-01-08  Jan Hubicka  <jh@suse.cz>
4175
4176         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
4177         * ipa.c (function_and_variable_visibility): Fix return type.
4178
4179 2007-01-08  Richard Guenther  <rguenther@suse.de>
4180
4181         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
4182         of offset to build the index.
4183         * tree-pretty-print.c (dump_generic_node): Don't build negated
4184         const just for printing.
4185         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4186         * builtins.c (fold_builtin_int_roundingfn): Check if result
4187         fits the type by using force_fit_type and comparing the result.
4188         * predict.c (predict_loops): Use compare_tree_int for comparison.
4189         * tree.c (build_int_cst): Fall back to integer_type_node for
4190         NULL_TREE type.
4191         (build_int_cst_wide): Assert type is non-null.
4192
4193 2007-01-08  Roberto Costa  <roberto.costa@st.com>
4194
4195         * tree-vrp.c (extract_range_from_cond_expr): New.
4196         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
4197         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
4198         as expressions.
4199         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
4200         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
4201         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
4202         used as expressions.
4203         * tree-object-size.c (cond_expr_object_size): New.
4204         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
4205
4206 2007-01-08  Jan Hubicka  <jh@suse.cz>
4207
4208         * tree-ssa-forwprop.c (forward_propagate_into_cond,
4209         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
4210         statement.
4211
4212 2007-01-08  Richard Guenther  <rguenther@suse.de>
4213
4214         PR tree-optimization/23603
4215         * tree-vrp.c (set_value_range_to_truthvalue): New function.
4216         (extract_range_from_binary): Fall back to truthvalue instead of
4217         varying for TRUTH_*_EXPR.
4218         (extract_range_from_comparison): Fall back to truthvalue instead of
4219         varying.
4220         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
4221         if all visited PHI values were constant.
4222
4223 2007-01-08  Jan Hubicka  <jh@suse.cz>
4224
4225         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
4226         (cgraph_analyze_function): break out from ...
4227         (cgraph_finalize_compilation_unit): ... here.
4228         (cgraph_expand_function): Remove forgoten commented out line.
4229         (cgraph_optimize): Analyze functions.
4230
4231 2007-01-08  Jan Hubicka  <jh@suse.cz>
4232
4233         * tree-pas.h (TODO_remove_function): New flag.
4234         (TODO_update*): Renumber.
4235         (pass_ipa_increase_alignment,
4236         pass_ipa_function_and_variable_visibility): New passes.
4237         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
4238         (cgraph_function_and_variable_visibility): Move to ipa.c
4239         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
4240         cgraph_increase_alignment.
4241         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
4242         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
4243         calling tree-inline.
4244         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
4245         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
4246         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
4247         (gate_increase_alignment): New function.
4248         (pass_ipa_increase_alignment): New pass.
4249         * ipa.c: Inline tree-pass.h and timevar.h
4250         (function_and_variable_visibility): Move here from cgraphunit.c
4251         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
4252         * passes.c (init_optimization_passes): Add the two new passes.
4253         (execute_todo): Handle cgraph_remove_functions.
4254
4255 2007-01-08  Nick Clifton  <nickc@redhat.com>
4256
4257         * config/frv/predicates.md (reg_or_0_operand): Accept
4258         CONST_DOUBLEs.
4259
4260 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
4261
4262         * config/bfin/rtems.h, config/bfin/t-rtems: New.
4263         * config.gcc: Add bfin*-rtems*.
4264
4265 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4266
4267         * c.opt: Add -flax-vector-conversions.
4268         * c-typeck.c (convert_for_assignment): Pass flag to
4269         vector_types_convertible_p to allow emission of note.
4270         (digest_init): Likewise.
4271         * c-opts.c: Handle -flax-vector-conversions.
4272         * c-common.c (flag_lax_vector_conversions): New.
4273         (vector_types_convertible_p): Unless -flax-vector conversions
4274         has been passed, disallow conversions between vectors with
4275         differing numbers of subparts and/or element types.  If such
4276         a conversion is disallowed, possibly emit a note on the first
4277         occasion only to inform the user of -flax-vector-conversions.
4278         The new last argument specifies this.
4279         * c-common.h (flag_lax_vector_conversions): New.
4280         (vector_types_convertible_p): Add extra argument.
4281         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
4282         char_type_node for V*QI type vectors.
4283         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
4284         Update to satisfy new typechecking rules.
4285         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
4286         C and C++ variants.
4287         * doc/invoke.texi (C Dialect Options): Document
4288         -flax-vector-conversions.
4289
4290 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4291
4292         PR tree-optimization/29877
4293         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4294         a register variable on the RHS to not be replaceable.
4295
4296 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
4297         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4298         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4299         const_simm15, const_pow2, const_npow2): Added.
4300         * config/score/misc.md (insv, extv, extzv, movmemsi,
4301         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4302         * config/score/score.c (score_address_cost, score_select_cc_mode):
4303         Added.
4304         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4305         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4306         Update score_print_operand.
4307         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4308         Adjust register allocate order and update some macro define.
4309         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4310         mdx_block_move_straight, mdx_block_move_loop_head,
4311         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4312         mdx_block_move): Added.
4313         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4314         mdp_limm): Updated and fix some bug and typo.
4315         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4316         (movsf, movdf, doloop_end): Added.
4317
4318 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
4319
4320         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4321         config/arm/thumb2.md: Fix comment typos.
4322         * doc/extend.texi: Fix a typo.
4323
4324 2007-01-07  Eric Christopher  <echristo@apple.com>
4325
4326         * configure.ac: Check for __stack_chk_fail for darwin.
4327         * configure: Regenerate.
4328
4329 2007-01-07  Richard Guenther  <rguenther@suse.de>
4330
4331         * tree-vrp.c (extract_range_from_assert): CSE calls to
4332         compare_values where possible.
4333         (extract_range_from_unary_expr): Likewise.
4334
4335 2007-01-07  Anatoly Sokolov <aesok@post.ru>
4336
4337         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4338         * config/avr/avr.c (call_insn_operand): Delete function.
4339         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4340         instead of register number. Use predicates.
4341         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4342         call_insn_operand): Add.
4343
4344 2007-01-06  Jan Hubicka  <jh@suse.cz>
4345
4346         * tree-pass.h (pass_build_cgraph_edges): Declare.
4347         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4348         (visited_nodes): Remove.
4349         (cgraph_create_edges): Move to cgraphbuild.c; rename to
4350         build_cgrpah_edges; make visited_nodes local.
4351         (cgraph_process_new_functions): DO not call initialize_inline_failed.
4352         (record_references_in_initializer): Move to cgraphbuild.c
4353         (initialize_inline_failed, rebuild_cgraph_edges,
4354         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4355         (verify_cgraph_node): Make visited_nodes local.
4356         (cgraph_analyze_function): Do not call cgraph_create_edges and
4357         initialize_inline_failed.
4358         (cgraph_expand_function): Do not call cgraph_lower_function;
4359         assert that function is already lowered.
4360         * Makefile.in (cgraphbuild.o): New.
4361         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4362         at the end of lowering passes.
4363
4364 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
4365
4366         * ifcvt.c (cond_move_convert_if_block): New function, code
4367         factored out from...
4368         (cond_move_process_if_block): ...here.  Call the new function
4369         on the THEN and ELSE blocks.
4370         (merge_if_block): Do not copy global_live_at_end, merge_blocks
4371         already takes care of this.
4372
4373 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4374
4375         PR c/19978
4376         * tree.h (TREE_OVERFLOW_P): New.
4377         * c-typeck.c (parser_build_unary_op): Warn only if result
4378         overflowed and operands did not.
4379         (parser_build_binary_op): Likewise.
4380         (convert_for_assignment): Remove redundant overflow_warning.
4381         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4382
4383 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4384
4385         * c-typeck.c (store_init_value): Split over two lines to follow
4386         the GNU coding style.
4387
4388 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
4389
4390         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4391         __GXX_EXPERIMENTAL_CXX0X__.
4392         * doc/cpp.texi: Same.
4393
4394 2007-01-05  Richard Guenther  <rguenther@suse.de>
4395
4396         PR middle-end/27826
4397         * tree.c (get_narrower): Do not construct COMPONENT_REFs
4398         with mismatched types.  Instead explicitly build a
4399         conversion NOP_EXPR.
4400
4401 2007-01-05  Ian Lance Taylor  <iant@google.com>
4402
4403         * c-common.c (decl_with_nonnull_addr_p): New function.
4404         (c_common_truthvalue_conversion): Call it.
4405         * c-typeck.c (build_binary_op): Likewise.
4406         * c-common.h (decl_with_nonnull_addr_p): Declare.
4407
4408 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
4409
4410         PR c/30360
4411         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4412         denom against 0.0.
4413
4414 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
4415
4416         * doc/install.texi (Final install): Document the fact that
4417         the GNAT runtime should not be stripped.
4418
4419 2007-01-04  Jan Hubicka  <jh@suse.cz>
4420
4421         * tree-inline.c (fold_marked_statements): Update operand caches
4422         and EH after folding
4423
4424 2007-01-04  Ian Lance Taylor  <iant@google.com>
4425
4426         * c-common.c (check_function_nonnull): Whitespace fix.
4427
4428 2007-01-04  Jan Hubicka  <jh@suse.cz>
4429
4430         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4431         comitted older version of patch.
4432         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4433         function, celanup cfg and collect garbage.
4434
4435 2007-01-04  Mike Stump  <mrs@apple.com>
4436
4437         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4438         (clean): Likewise.
4439
4440 2007-01-04  Eric Christopher  <echristo@apple.com>
4441
4442         * libgcc2.c (__bswapsi2): Use SItype.
4443         (__bswapdi2): Use DItype.
4444         * libgcc2.h: Update for above.
4445
4446 2007-01-04  Paul Brook  <paul@codesourcery.com>
4447
4448         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4449         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4450         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4451         umulsidi3, umulsidi3adddi, smulsi3_highpart,
4452         umulsi3_highpart): Make conditional on !arm_arch6.
4453         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4454         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4455         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4456         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4457         umulsi3_highpart_v6): New insns.
4458
4459 2007-01-04  Roger Sayle  <roger@eyesopen.com>
4460
4461         * fold-const.c (fold_convert): When casting an expression to void,
4462         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4463         have a type.  Instead of attempting to build a NOP_EXPR, return
4464         these "special" trees directly.
4465
4466 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
4467
4468         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4469         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
4470         rs6000_cost->fp not 0 as adjustment for outer NEG.
4471
4472 2007-01-04  Jan Hubicka  <jh@suse.cz>
4473
4474         * cgraph.c (cgraph_release_function_body): New function.
4475         (cgraph_remove_node): Use it.
4476         * cgraph.h (cgraph_release_function_body): Declare.
4477         * cgraphunit.c (cgraph_expand_function): Use it.
4478         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4479         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4480         is initialized and while compilation of other function is running.
4481         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4482         statement CFG annotations from here to ...
4483         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4484
4485 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
4486
4487         * cfgloop.h (enum li_flags): Make the constants powers of two.
4488
4489 2007-01-04  Jan Hubicka  <jh@suse.cz>
4490
4491         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4492         set.
4493         (fold_marked_statements): New function.
4494         (optimize_inline_calls, tree_function_versioning): Fold new statements.
4495         * tree-inline.h (copy_body_data): Add statements_to_fold.
4496
4497 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
4498
4499         * config.gcc: Mention libgcc/config.host.
4500         * Makefile.in: Update comments mentioning libgcc.
4501         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4502         (all.cross, start.encap, rest.encap, rest.cross): Update
4503         dependencies for libgcc move.
4504         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4505         (clean-target, clean-target-libgcc): Delete.
4506         (srcdirify, GCC_EXTRA_PARTS): New macros.
4507         (libgcc-support, libgcc.mvars): New rules.
4508         (distclean): Remove mention of mklibgcc.
4509         (install): Don't reference INSTALL_LIBGCC.
4510         (install-common): Don't reference EXTRA_PARTS.
4511         (install-libgcc, install-multilib): Delete rules.
4512         * mklibgcc.in: Delete file.
4513         * doc/configfiles.texi: Don't mention mklibgcc.
4514
4515         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4516         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4517         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4518         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4519         (mklibgcc, ldblspecs): Likewise.
4520
4521         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4522         (posixpre.def): Use $(T).
4523         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4524         (SHLIB_SRC, SHLIB_INSTALL): Delete.
4525         (SHLIB_LINK): Make dummy.
4526         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4527
4528         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4529
4530         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4531         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4532         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4533         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4534
4535         * configure.ac (all_outputs): Remove mklibgcc.
4536         * configure: Regenerated.
4537
4538 2007-01-03  Josh Conner  <jconner@apple.com>
4539
4540         PR middle-end/29683
4541         * calls.c (compute_argument_addresses): Set stack and stack_slot
4542         for partial args, too.
4543         (store_one_arg): Use locate.size.constant for the size when
4544         generating a save_area.
4545
4546 2007-01-03  Robert Kennedy <jimbob@google.com>
4547
4548         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4549         whose definitions are deleted due to basic block merging.
4550
4551 2007-01-03  Paul Brook  <paul@codesourcery.com>
4552
4553         PR target/16634
4554         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4555         functions.
4556         (use_return_insn): Return 0 for Thumb interrupt functions.
4557         (print_multi_reg): Add rfe argument for IRQ returns.
4558         (arm_output_epilogue): Pop interrupt return address directly into PC.
4559         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4560
4561 2007-01-03  Paul Brook  <paul@codesourcery.com>
4562
4563         Merge from sourcerygxx-4_1.
4564         * config/arm/thumb2.md: New file.
4565         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4566         Thumb-2.
4567         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4568         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4569         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4570         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4571         tables.
4572         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4573         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4574         comptibility.
4575         * config/arm/ieee754-sf.S: Ditto.
4576         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4577         (thumb1_base_register_rtx_p): ... to this.
4578         (thumb_index_register_rtx_p): Rename...
4579         (thumb1_index_register_rtx_p): ... to this.
4580         (thumb_output_function_prologue): Rename...
4581         (thumb1_output_function_prologue): ... to this.
4582         (thumb_legitimate_address_p): Rename...
4583         (thumb1_legitimate_address_p): ... to this.
4584         (thumb_rtx_costs): Rename...
4585         (thumb1_rtx_costs): ... to this.
4586         (thumb_compute_save_reg_mask): Rename...
4587         (thumb1_compute_save_reg_mask): ... to this.
4588         (thumb_final_prescan_insn): Rename...
4589         (thumb1_final_prescan_insn): ... to this.
4590         (thumb_expand_epilogue): Rename...
4591         (thumb1_expand_epilogue): ... to this.
4592         (arm_unwind_emit_stm): Rename...
4593         (arm_unwind_emit_sequence): ... to this.
4594         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4595         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4596         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4597         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4598         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4599         thumb2_output_casesi): New functions.
4600         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4601         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4602         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4603         THUMB2_WORK_REGS): Define.
4604         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4605         arm_condexec_mask, arm_condexec_masklen)): New variables.
4606         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4607         (arm_override_options): Check new CPU capabilities.
4608         Set new architecture flag variables.
4609         (arm_isr_value): Handle v7m interrupt functions.
4610         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
4611         Thumb-2.
4612         (const_ok_for_arm): Handle Thumb-2 constants.
4613         (arm_gen_constant): Ditto.  Use movw when available.
4614         (arm_function_ok_for_sibcall): Return false for v7m interrupt
4615         functions.
4616         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4617         (thumb_find_work_register, arm_load_pic_register,
4618         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4619         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4620         print_multi_reg, output_mov_long_double_fpa_from_arm,
4621         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4622         output_mov_double_fpa_from_arm, output_move_double,
4623         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4624         output_return_instruction, arm_output_function_prologue,
4625         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4626         arm_output_mi_thunk, thumb_set_return_address): Ditto.
4627         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
4628         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4629         (arithmetic_instr, shift_op): Use arm_shift_nmem.
4630         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
4631         '!' and 'L'.
4632         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4633         (thumb_expand_prologue): Use thumb_set_frame_pointer.
4634         (arm_file_start): Output directive for unified syntax.
4635         (arm_unwind_emit_set): Handle stack alignment instruction.
4636         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4637         Add v6t2, v7, v7a, v7r and v7m.
4638         (RETLDM): Add Thumb-2 code.
4639         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4640         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4641         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4642         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4643         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4644         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4645         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4646         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4647         ADJUST_INSN_LENGTH): Define.
4648         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4649         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4650         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4651         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4652         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4653         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4654         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4655         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4656         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4657         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4658         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4659         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4660         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4661         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4662         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4663         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4664         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4665         cortex-m3.
4666         * config/arm/arm-tune.md: Regenerate.
4667         * config/arm/arm-protos.h: Update prototypes.
4668         * config/arm/vfp.md: Enable patterns for Thumb-2.
4669         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4670         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4671         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4672         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4673         * config/arm/libunwind.S: Add Thumb-2 code.
4674         * config/arm/constraints.md: Update include Thumb-2.
4675         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4676         * config/arm/ieee754-df.S: Ditto.
4677         * config/arm/bpabi.S: Ditto.
4678         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4679         * config/arm/predicates.md (low_register_operand,
4680         low_reg_or_int_operand, thumb_16bit_operator): New.
4681         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4682         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4683         * config/arm/t-arm-elf: Add armv7 multilib.
4684         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4685         Include thumb2.md.
4686         (UNSPEC_STACK_ALIGN, ce_count): New.
4687         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4688         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4689         insns/expanders.
4690         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4691         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4692         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4693         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4694         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4695         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4696         insns.
4697         * doc/extend.texi: Document ARMv7-M interrupt functions.
4698         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4699
4700 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4701
4702         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4703         (struct _Unwind_Context): Rename args_size to flags, remove
4704         signal_frame field, add a new args_size field and version field.
4705         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4706         _Unwind_IsExtendedContext): New inline functions.
4707         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4708         Assume by_value array is only present if _Unwind_IsExtendedContext.
4709         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4710         _Unwind_IsSignalFrame.
4711         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4712         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4713         (uw_init_context_1): Initialize context->flags to
4714         EXTENDED_CONTEXT_BIT.
4715         * config/rs6000/linux-unwind.h (frob_update_context): Use
4716         _Unwind_SetSignalFrame.
4717
4718 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4719
4720         PR middle-end/30353
4721         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4722         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4723         the value.
4724
4725 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4726
4727         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4728         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4729         RET, AT_SP): Remove.
4730         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4731         instead of RET.
4732
4733         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4734         * cfgbuild.c (find_basic_blocks): Likewise.
4735         * cfgrtl.c (rtl_create_basic_block): Likewise.
4736         * function.c (temp_slots_at_level): Likewise.
4737         * reg-stack.c (stack_regs_mentioned): Likewise.
4738         * regclass.c (allocate_reg_info): Likewise.
4739         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4740         set_bb_for_stmt, move_block_to_fn): Likewise.
4741         * tree-complex.c (tree_lower_complex): Likewise.
4742         * vec.h (VEC_safe_grow_cleared): New.
4743
4744         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4745
4746 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4747
4748         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4749         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4750         to loop_version.
4751         * cfgloopmanip.c (scale_loop_frequencies): Export.
4752         (loopify): Scale the frequencies by prescribed coefficients.
4753         (set_zero_probability): New function.
4754         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4755         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4756         and frequencies according to arguments.
4757         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4758         correctly.
4759         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4760         * modulo-sched.c (sms_schedule): Set probabilities for entering
4761         versioned loop correctly.
4762         * tree-vect-transform.c (vect_transform_loop): Ditto.
4763         * cfgloop.h (loopify, loop_version): Declaration changed.
4764         (scale_loop_frequencies): Declared.
4765
4766 2007-01-02  Jan Hubicka  <jh@suse.cz>
4767
4768         * cgraph.c: Include tree-flow.h
4769         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4770         early_local_passes.
4771         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4772         * tree-pass.h (pass_all_early_optimizations): Declare.
4773         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4774         early_local_passes.
4775         (cgraph_analyze_function): Do early_local_passes.
4776         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4777         Do not add referenced vars.
4778         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4779         SSA form.
4780         (gate_all_early_local_passes): New gate.
4781         (pass_early_local_passes): Use new gate.
4782         (execute_early_local_optimizations): New functions.
4783         (gate_all_early_optimizations): New gate.
4784         (pass_all_early_optimizations): New pass.
4785         (execute_free_datastructures): Free SSA only when initialized.
4786         (gate_init_datastructures): Init only when optimizing.
4787         (tree_lowering_passes): Do early local passes when called late.
4788         * tree-profile.c (do_tree_profiling): Don't profile functions added
4789         late.
4790         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4791         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4792         not active.
4793         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4794         during early_local_passes.
4795         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4796
4797
4798 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4799
4800         * Makefile.in: Update copyright year.
4801
4802 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4803
4804         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4805         in $(lang_checks) and check-consistency targets.
4806
4807 2007-01-02  Jan Hubicka  <jh@suse.cz>
4808
4809         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4810         Do not add referenced vars.
4811         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4812         are not active.
4813         * passes.c (init_optimization_passes): Put mudflap_2 after
4814         free_datastructures.
4815
4816 2007-01-02  Jan Hubicka  <jh@suse.cz>
4817
4818         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4819         Set NOTHROW flag on call statements proved to be nothrow.
4820         Update statement of local calls so new pure/const functions are
4821         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4822         goto receivers.
4823         (tree_rest_of_compilation): Register hooks and initialize bitmap
4824         early. Do not set after_inlining flag.
4825
4826 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4827
4828         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4829         HOST_BITS_PER_LONGLONG
4830
4831 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4832
4833         PR c/19977
4834         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4835         warning for non-static initializers.
4836
4837 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4838
4839         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4840         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4841         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4842         Always use set_unique_reg_note to add REG_EQUAL notes.
4843
4844 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4845
4846         Revert:
4847         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4848
4849         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4850         * cfgbuild.c (find_basic_blocks): Likewise.
4851         * cfgrtl.c (rtl_create_basic_block): Likewise.
4852         * function.c (temp_slots_at_level): Likewise.
4853         * reg-stack.c (stack_regs_mentioned): Likewise.
4854         * regclass.c (allocate_reg_info): Likewise.
4855         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4856         set_bb_for_stmt, move_block_to_fn): Likewise.
4857         * tree-complex.c (tree_lower_complex): Likewise.
4858         * vec.h (VEC_safe_grow_cleared): New.
4859
4860 2007-01-02  Ian Lance Taylor  <iant@google.com>
4861
4862         * c-common.c (c_common_truthvalue_conversion): When warning about
4863         using an assignment as a truth value, set TREE_NO_WARNING.
4864
4865 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4866
4867         PR middle-end/7651
4868         * c.opt (Wold-style-declaration): New.
4869         * doc/invoke.texi (C-only Warning Options): New.
4870         (Wold-style-declaration): Document it.
4871         (Wextra): Enabled by -Wextra.
4872         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4873         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4874         -Wold-style-declaration.
4875
4876 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4877
4878         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4879         * cfgbuild.c (find_basic_blocks): Likewise.
4880         * cfgrtl.c (rtl_create_basic_block): Likewise.
4881         * function.c (temp_slots_at_level): Likewise.
4882         * reg-stack.c (stack_regs_mentioned): Likewise.
4883         * regclass.c (allocate_reg_info): Likewise.
4884         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4885         set_bb_for_stmt, move_block_to_fn): Likewise.
4886         * tree-complex.c (tree_lower_complex): Likewise.
4887         * vec.h (VEC_safe_grow_cleared): New.
4888
4889 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4890
4891         * c-common.c (c_common_nodes_and_builtins): Since variants of
4892         void_type_node get built before it is given a name, we need to
4893         give those variants the name, too.
4894         (complete_array_type): We need to work with the canonical main
4895         type of the array, from which we will build the qualified version.
4896         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4897         * print-tree.c (print_node): Display canonical type information
4898         for each type.
4899         * stor-layout.c (layout_type): When we don't know the
4900         alignment of a type for which we're building an array, we end up
4901         guessing wrong, so make the type require structural equality.
4902         * tree.c (make_node_stat): When we build a new type, it is its
4903         own canonical type.
4904         (build_type_attribute_qual_variant): When building an attribute
4905         variant, its canonical type is the non-attribute variant. However,
4906         if the attributes are target-dependent and they differ, we need to
4907         use structural equality checks for this type.
4908         (build_qualified_type): A qualified type is not equivalent to its
4909         unqualified variant; set the canonical type appropriately.
4910         (build_distinct_type_copy): When building a distinct type from
4911         another type, the new type is its own canonical type.
4912         (build_variant_type_copy): When building a new type variant, we
4913         assume that it is equivalent to the original type.
4914         (build_pointer_type_for_mode): When building a pointer type, also
4915         build a canonical type pointer.
4916         (build_reference_type_for_mode): When building a reference type,
4917         also build a canonical type reference.
4918         (build_index_type): When we can't hash an index type (e.g.,
4919         because its maximum value is negative), the index type requires
4920         structural equality tests.
4921         (build_array_type): Build the canonical form of an array type.
4922         (build_function_type): Function types require structural equality,
4923         because they contain default arguments, attributes, etc.
4924         (build_method_type_directly): Ditto for method types.
4925         (build_offset_type): Build the canonical offset type.
4926         (build_complex_type): Build the canonical vector type.
4927         (make_vector_type): Build the canonical vector type.
4928         * tree.h (TYPE_CANONICAL): New.
4929         (TYPE_STRUCTURAL_EQUALITY_P): New.
4930         (SET_TYPE_STRUCTURAL_EQUALITY): New.
4931         (struct tree_type): Added "canonical" field.
4932         * params.h (VERIFY_CANONICAL_TYPES): New.
4933         * doc/c-tree.texi (TYPE_CANONICAL): Document.
4934         (TYPE_STRUCTURAL_EQUALITY_P): Document.
4935         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4936         * doc/invoke.texi (verify-canonical-types): Document --param
4937         parameter for verifying canonical types.
4938
4939 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4940
4941         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4942         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4943         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4944         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4945         tm_file.
4946         * config/rs6000/e500.h: New.
4947         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4948         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4949         Remove.
4950         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4951         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4952         TARGET_E500_DOUBLE): Remove.
4953         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4954         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4955         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4956         * config/rs6000/rs6000.c (rs6000_override_options): Use
4957         CHECK_E500_OPTIONS.
4958
4959 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4960
4961         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4962         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4963         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4964         rs6000_emit_cmove): Don't check TARGET_E500.
4965         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4966         sordered): Don't check TARGET_E500.
4967
4968 2007-01-01  Eric Christopher  <echristo@apple.com>
4969
4970         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4971         HARD_REGISTER_NUM_P.
4972
4973 2007-01-01  Roger Sayle  <roger@eyesopen.com>
4974
4975         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4976         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4977         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4978         eq/ne Y".
4979
4980 2007-01-01  Mike Stump  <mrs@apple.com>
4981
4982         * configure.ac: Remove support for building with Apple's gcc-3.1.
4983
4984 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4985
4986         PR middle-end/30311
4987         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4988         REG is a hard register.  Do not modify REG before calling
4989         subreg_nregs.
4990         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4991         multiple of the size of YMODE for certain lowpart cases.
4992
4993 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4994
4995         PR middle-end/30253
4996         * gimplify (voidify_wrapper_expr): Update for
4997         GIMPLE_MODIFY_STMT.
4998
4999 2007-01-01  Andreas Schwab  <schwab@suse.de>
5000
5001         PR target/29166
5002         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
5003         save of BR0 in extra_spill_size instead of spill_size.
5004         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
5005         area.
5006         (ia64_expand_epilogue): Restore BR0 from its new location.
5007
5008 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5009
5010         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
5011         Use a temporary variable if the left hand side is not a gimple
5012         register.
5013
5014 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5015
5016         * gimplify.c (gimplify_return_expr): Make the temporary variable
5017         for the return expression, a gimple register variable.
5018
5019 2007-01-01  Jan Hubicka  <jh@suse.cz>
5020
5021         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
5022         INSN_LIST.
5023
5024 2007-01-01  Mike Stump  <mrs@apple.com>
5025
5026         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
5027         .literal16.
5028         * config/darwin.c (machopic_select_rtx_section): Use
5029         HAVE_GAS_LITERAL16.
5030         (darwin_mergeable_constant_section): Likewise.
5031         * configure: Regenerate.
5032         * config.in: Regenerate.
5033
5034 2007-01-01  Jan Hubicka  <jh@suse.cz>
5035             Andrew Pinski  <pinskia@gmail.com>
5036
5037         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
5038         before starting IPA passes.