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PR tree-optimization/30771
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-12-14  Dorit Nuzman  <dorit@il.ibm.com>
2
3          PR tree-optimization/30771
4         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5         also phi nodes.
6         (vect_analyze_operations): Induction phis can now be marked as
7         used_in_loop.
8         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
9         Update documentation accordingly.
10
11 2007-02-14  Nick Clifton  <nickc@redhat.com>
12
13         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
14         most 3 arguments are supported.
15         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
16
17 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
18
19        * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
20        Ensure dst->current is valid.
21
22 2007-02-13  Paul Brook  <paul@codesourcery.com>
23
24         * config.gcc: Add arm*-*-uclinux-*eabi.
25         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
26         (SUBTARGET_EXTRA_LINK_SPEC): Define.
27         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
28         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
29         (LINK_SPEC): Define.
30         (LIB_SPEC): Define.
31         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
32         register.
33         * config/arm/uclinux-eabi.h: New file.
34         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
35         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
36         based targets.
37
38 2007-02-13  Ian Lance Taylor  <iant@google.com>
39
40         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
41         * flags.h (warn_strict_overflow): Declare.
42         (enum warn_strict_overflow_code): Define.
43         (issue_strict_overflow_warning): New static inline function.
44         * opts.c (warn_strict_overflow): New variable.
45         (common_handle_option): Handle OPT_Wstrict_overflow and
46         OPT_Wstrict_overflow_.
47         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
48         OPT_Wall.
49         * fold-const.c: Include intl.h.
50         (fold_deferring_overflow_warnings): New static variable.
51         (fold_deferred_overflow_warning): New static variable.
52         (fold_deferred_overflow_code): New static variable.
53         (fold_defer_overflow_warnings): New function.
54         (fold_undefer_overflow_warnings): New function.
55         (fold_undefer_and_ignore_overflow_warnings): New function.
56         (fold_deferring_overflow_warnings_p): New function.
57         (fold_overflow_warning): New static function.
58         (make_range): Add strict_overflow_p parameter.  Change all
59         callers.
60         (extract_muldiv, extract_muldiv_1): Likewise.
61         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
62         tree_expr_nonnegative_p.
63         (fold_negate_expr): Call fold_overflow_warning.
64         (fold_range_test): Likewise.
65         (fold_comparison): Likewise.
66         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
67         instead of tree_expr_nonnegative_p.
68         (tree_expr_nonnegative_warnv_p): Rename from
69         tree_expr_nonnegative_p, add strict_overflow_p parameter.
70         (tree_expr_nonnegative_p): New function.
71         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
72         strict_overflow_p parameter.
73         (tree_expr_nonzero_p): New function.
74         * passes.c (verify_interpass_invariants): New static function.
75         (execute_one_pass): Call it.
76         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
77         warnings.
78         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
79         (estimate_numbers_of_iterations): Likewise.
80         (scev_probably_wraps_p): Likewise.
81         * tree-ssa-ccp.c: Include "toplev.h".
82         (evaluate_stmt): Defer fold overflow warnings until we know we are
83         going to optimize.
84         (struct fold_stmt_r_data): Add stmt field.
85         (fold_stmt_r): Defer fold overflow warnings until we know we
86         optimized.
87         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
88         (fold_stmt_inplace): Likewise.
89         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
90         (cleanup_control_expr_graph): Defer fold overflow warnings until
91         we know we are going to optimize.
92         * tree-cfg.c (fold_cond_expr_cond): Likewise.
93         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
94         Likewise.
95         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
96         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
97         * tree-ssa-loop-manip.c (create_iv): Likewise.
98         * c-typeck.c (build_conditional_expr): Likewise.
99         (build_binary_op): Likewise.
100         * tree-vrp.c (vrp_expr_computes_nonzero): Call
101         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
102         (extract_range_from_unary_expr): Likewise.
103         * simplify-rtx.c (simplify_const_relational_operation): Warn when
104         assuming that signed overflow does not occur.
105         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
106         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
107         (fold_defer_overflow_warnings): Declare.
108         (fold_undefer_overflow_warnings): Declare.
109         (fold_undefer_and_ignore_overflow_warnings): Declare.
110         (fold_deferring_overflow_warnings_p): Declare.
111         (tree_expr_nonzero_warnv_p): Declare.
112         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
113         of warning options.
114         (Warning Options): Document -Wstrict-overflow.
115         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
116         (tree-ssa-ccp.o): Likewise.
117         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
118         (fold-const.o): Depend on intl.h.
119
120 2007-02-13  Ian Lance Taylor  <iant@google.com>
121
122         PR middle-end/30751
123         * lower-subreg.c (resolve_simple_move): Decompose subregs in
124         addresses.
125
126 2007-02-13  Stuart Hastings  <stuart@apple.com>
127
128         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
129
130 2007-02-13  Richard Henderson  <rth@redhat.com>
131
132         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
133         handled_component_p before looking for the indirect_ref.
134
135 2007-02-13  Richard Henderson  <rth@redhat.com>
136
137         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
138         remove flags clobber.
139         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
140         (bswaphi_lowpart): New.
141         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
142         remove TARGET_BSWAP test.  Delete expander of the same name.
143
144         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
145         (expand_unop): Use them.
146
147 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
148
149         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
150         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
151         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
152         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
153         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
154         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
155         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
156         assembler dialect choice from asm templates.
157
158 2007-02-12  Richard Henderson  <rth@redhat.com>
159
160         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
161         (fixuns_trunc<SSEMODEF>si2): Use it.
162         * config/i386/sse.md (vec_setv4sf_0): Export.
163         * config/i386/i386.c (ix86_build_const_vector): Export.
164         (ix86_split_convert_uns_si_sse): Rename from
165         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
166         * config/i386/i386-protos.h: Update.
167
168 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
169
170         PR c/29521
171         * c-typeck.c (c_finish_return): Improve warning message.
172
173 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
174
175         * alias.c (find_symbolic_term): Delete unused function.
176         
177 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
178
179         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
180         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
181         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
182
183 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
184
185         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
186         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
187         the function, temporarily point the debug interface to the null one.
188
189 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
190
191         * dwarf2out.c (round_up_to_align): New static function.
192         (field_byte_offset): Use it to round the offset.
193
194 2007-02-12  Richard Henderson  <rth@redhat.com>
195
196         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
197         (inswl_const): Export.
198
199 2007-02-12  Richard Henderson  <rth@redhat.com>
200
201         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
202         result mode of the libcall, convert back to outmode.
203
204 2007-02-12  Roger Sayle  <roger@eyesopen.com>
205
206         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
207         (bswapdi2): New define_expand to implement 32-bit implementation.
208
209 2007-02-12  Nick Clifton  <nickc@redhat.com>
210
211         * doc/invoke.texi (Overall Options): Document --help=.
212         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
213         (cc1_options): Pass --help= on to cc1.
214         (display_help): Add description of --help=.
215         (process_command): Add code to handle --help=.  Allow translated
216         --help and --target-help switches to be passed on to compiler
217         sub-process.
218         (main): Remove unused if statement.
219         * opts.c (columns): Remove.
220         (LEFT_COLUMN): Define.
221         (wrap_help): Add columns argument.
222         (print_filtered_help): Change parameters to be an include bitmask,
223         an exclude bitmask, an any bitmask and the column width.  Move the
224         code to display the params list here.  Add code to display the
225         status of options rather than their descriptions if the quiet flag
226         is not active.
227         (print_specific_help): Change parameters to be an include bitmask,
228         an exclude bitmask and an any bitmask.  Move code to look up the
229         column width here.  Decide upon the title for an options listing.
230         (common_handle_options): Add code to handle --help=.  Adapt code
231         for --help and --target-help to use the revised form of the
232         print_specific_help function.
233         (print_help): Delete.
234         (print_param_help): Delete.
235         (print_switch): Delete.
236         * opts.h (cl_lang_count): Add prototype.
237         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
238         CL_MAX_OPTION_CLASS): New defines.
239         * optc-gen.awk: Add construction of cl_lang_count.
240         * c.opt: Add Warning attribute to warning options and Optimization
241         attribute to optimization options.
242         * common.opt: Likewise.
243         Add --help=.
244         Add -fhelp and -ftarget-help as aliases for the transformed --help
245         and --target-help options.
246         * opt-functions.awk: Add code to handle Warning and Optimization
247         attributes.
248
249 2007-02-12  Richard Henderson  <rth@redhat.com>
250
251         * config/alpha/constraints.md: New file.
252         * config/alpha/alpha.c: Include tm-constrs.h.
253         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
254         alpha_extra_constraint): Remove.
255         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
256         * config/alpha/alpha-protos.h: Update.
257         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
258         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
259         (EXTRA_CONSTRAINT): Remove.
260         * config/alpha/alpha.md: Include constraints.md.
261         (adddi splitter): Use satisfies_constraint_*.
262         * config/alpha/predicates.md (add_operand): Likewise.
263         (sext_add_operand, addition_operation): Likewise.
264
265 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
266
267         PR tree-optimization/29145
268         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
269         in our handling of restrict qualified pointers.
270
271 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
272
273         PR middle-end/7651
274         * doc/invoke.texi (Wunused-value): Update description.
275         (Wextra): Delete item.
276         * opts.c (set_Wextra): Don't use the value of Wextra to set the
277         value of Wunused-value.
278         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
279         (c_finish_stmt_expr): Don't check extra_warnings.
280         (emit_side_effect_warnings): The caller is responsible to check
281         warn_unused_value.
282         
283 2007-02-11  Roger Sayle  <roger@eyesopen.com>
284             Matt Thomas  <matt@3am-software.com>
285
286         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
287
288 2007-02-11  Roger Sayle  <roger@eyesopen.com>
289
290         * simplify-rtx.c (simplify_relational_operation_1): Optimize
291         comparisons of POPCOUNT against zero.
292         (simplify_const_relational_operation): Likewise.
293
294 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
295
296         * doc/invoke.texi (Wextra): Delete outdated paragraph.
297         
298 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
299
300         * dwarf2out.c (root_type): Delete unused function.
301         
302 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
303
304         * genattrtab.c (contained_in_p): Delete unused function.
305         (write_expr_attr_cache): Likewise.
306
307 2007-02-11  Jan Hubicka  <jh@suse.cz>
308
309         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
310         previous patch.
311
312 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
313
314         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
315         to add the REG_EQ* note.
316         * see.c (see_merge_one_use_extension): Likewise.
317         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
318         turn REG_EQUAL notes into REG_EQUIV notes if the target
319         register may have more than one set.
320         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
321         * gcse.c (try_replace_reg): Likewise.
322         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
323         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
324         more than one REG_EQUIV note.
325         * reload1.c (gen_reload): Use set_unique_reg_note.
326
327 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
328
329         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
330         (ix86_builtin_conversion): New function.
331
332 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
333
334         PR target/29487
335         * tree.h (DECL_REPLACEABLE_P): New macro.
336         * except.c (set_nothrow_function_flags): Likewise.
337
338 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
339             Ira Rosen  <irar@il.ibm.com>
340             Dorit Nuzman  <dorit@il.ibm.com>
341
342         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
343         * targhooks.c (default_builtin_vectorized_conversion): New.
344         * targhooks.h (default_builtin_vectorized_function): New declaration.
345         * target.h (struct vectorize): Add builtin_conversion field.
346         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
347         stmt_vec_info_type value.
348         (vectorizable_conversion): New declaration.
349         * tree-vect-analyze.c (vect_analyze_operations): Add
350         vectorizable_conversion call.
351         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
352         * tree-vect-transform.c (vectorizable_conversion): New function.
353         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
354         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
355         mode.
356         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
357         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
358         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
359         or ALTIVEC_BUILTIN_VCFSX.
360
361 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
362
363         PR target/30634
364         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
365         CONST_DOUBLE and operand 0 is a hard register.
366         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
367         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
368         is a hard floating-point register.
369
370 2007-02-10  Richard Henderson  <rth@redhat.com>
371             Jakub Jelinek  <jakub@redhat.com>
372             Alexandre Oliva  <aoliva@redhat.com>
373
374         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
375         * builtin-types.def (BT_WORD): Make unsigned.
376         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
377         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
378         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
379         * c-decl.c (grokdeclarator): Don't error if !have_tls.
380         * c-parser.c (c_parser_omp_threadprivate): Likewise.
381         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
382         emulated tls.
383         * expr.c (emutls_var_address): New.
384         (expand_expr_real_1): Expand emulated tls.
385         (expand_expr_addr_expr_1): Likewise.
386         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
387         * output.h (emutls_finish): Declare.
388         * toplev.c (compile_file): Call it.
389         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
390         address before wrapping in CONST.
391         * varasm.c (emutls_htab, emutls_object_type): New.
392         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
393         (get_emutls_object_name, get_emutls_object_type): New.
394         (get_emutls_init_templ_addr, emutls_decl): New.
395         (emutls_common_1, emutls_finish): New.
396         (assemble_variable): When emulating tls, swap decls; generate
397         constructor for the emutls objects.
398         (do_assemble_alias): When emulating tls, swap decl and target name.
399         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
400         for emulated tls.
401         * varpool.c (decide_is_variable_needed): Look at force_output.
402         Recurse for emulated tls.
403         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
404         with decide_is_variable_needed.
405         * emutls.c: New file.
406         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
407         tls_object for real tls.
408
409 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
410
411         PR rtl-optimization/29599
412         * reload1.c (eliminate_regs_in_insn): Take the destination
413         mode into account when computing the offset.
414
415 2007-02-09  Stuart Hastings  <stuart@apple.com>
416             Richard Henderson  <rth@redhat.com>
417
418         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
419         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
420         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
421         fixuns_truncdfhi2): New.
422         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
423         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
424         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
425         (floatunssidf2): Allow nonimmediate source.
426         * gcc/config/i386/sse.md (movdi_to_sse): New.
427         (vec_concatv2di): Drop '*'.
428         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
429         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
430         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
431         New.
432         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
433         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
434         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
435         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
436         (ix86_build_signbit_mask): Fix decl of v, refactor to call
437         ix86_build_const_vector.
438         (x86_emit_floatuns): Rewrite.
439
440 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
441
442         * genautomata.c (longest_path_length): Delete unused function.
443         (struct state): Delete unused longest_path_length.
444         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
445         (get_free_state): Delete unused.
446         
447 2007-02-09  Jan Hubicka  <jh@suse.cz>
448
449         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
450         * doc/invoke.texi (inline-unit-growth): Update default value.
451
452         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
453         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
454         (rebuild_cgraph_edges): Likewise.
455         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
456         (dump_cgraph_node): Dump frequencies.
457         (cgraph_clone_edge): Add frequency scales.
458         (cgraph_clone_node): Add freuqnecy.
459         * cgraph.h (cgraph_edge): Add freuqnecy argument.
460         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
461         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
462         * tree-pass.h (TODO_rebuild_frequencies): New constant.
463         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
464         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
465         (save_inline_function_body): Likewise.
466         * ipa-inline.c: inluce rtl.h
467         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
468         (cgraph_edge_badness): Use frequencies.
469         (cgraph_decide_recursive_inlining): Update clonning.
470         (cgraph_decide_inlining_of_small_function): Dump frequency.
471         * predict.c (estimate_bb_frequencies): Export.
472         * predict.h (estimate_bb_frequencies): Declare.
473         * tree-inline.c (copy_bb): Watch overflows.
474         (expand_call_inline): Update call of cgraph_create_edge.
475         (optimize_inline_calls): Use TODO flags to update frequnecies.
476         * passes.h: Include predict.h
477         (init_optimization_passes): Move profile ahead.
478         (execute_function_todo): Handle TODO_rebuild_frequencies.
479
480 2007-02-09  Roger Sayle  <roger@eyesopen.com>
481
482         * config/alpha/alpha.c (emit_insxl): Force the first operand of
483         the insbl or inswl pattern into a register.
484
485 2007-02-09  Roger Sayle  <roger@eyesopen.com>
486
487         * config/ia64/ia64.md (bswapdi2): New define_insn.
488
489 2007-02-09  Richard Henderson  <rth@redhat.com>
490
491         * config/i386/constraints.md (Ym): New constraint.
492         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
493         (movdi_1_rex64): Split sse and xmm general register moves from
494         memory move alternatives.  Use conditional register constraints.
495         (movsf_1, movdf_integer): Likewise.
496         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
497         (movdf_integer_rex64): New.
498         (pushsf_rex64): Fix output constraints.
499         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
500         (sse2_stored): Likewise.
501         (sse2_storeq_rex64): New.
502         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
503         amd and not generic.
504         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
505         for optimize_size.  Remove SF/DFmode hack.
506
507 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
508
509         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
510         (bit_SSE4a): New.
511
512 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
513             Richard Sandiford  <richard@codesourcery.com>
514
515         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
516         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
517         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
518         m68k/t-mlib to tmake_file.
519         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
520         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
521         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
522         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
523         variable is not empty, add t-$m68k_arch_family to tmake_file.
524         Add t-mlibs to tmake_file.
525         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
526         * config/m68k/t-cf: New file.
527         * config/m68k/t-m68k: Likewise.
528         * config/m68k/t-mlibs: Likewise.
529         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
530         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
531         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
532         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
533         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
534         Delete.
535         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
536         (INSTALL_LIBGCC): Delete.
537         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
538         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
539         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
540         (M68K_MLIB_CPU): Define.
541         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
542         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
543         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
544
545 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
546             Richard Guenther  <rguenther@suse.de>
547
548         PR middle-end/23361
549         * fold-const.c (fold_comparison): Handle obfuscated comparisons
550         against INT_MIN/INT_MAX.
551         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
552         file if a loop is removed.
553
554 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
555
556         * calls.c (store_one_arg): Pass correct alignment to
557         emit_push_insn for non-BLKmode values.
558         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
559         unaligned stack slot via a suitably aligned slot.
560
561 2007-02-08  DJ Delorie  <dj@redhat.com>
562
563         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
564         warnings.
565         (legal_subregs): Use unsigned char, make const.
566         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
567
568 2007-02-08  Paul Brook  <paul@codesourcery.com>
569
570         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
571         special interworking needed.
572
573 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
574
575         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
576         conditional to __SSE2__.
577         (Entries below should have been added to first ChangeLog
578         entry for amdfam10 dated 2007-02-05)
579         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
580         defined.
581         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
582         defined.
583         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
584         defined.
585
586 2007-02-08  DJ Delorie  <dj@redhat.com>
587
588         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
589         * config/m32c/m32c.c (legal_subregs): New.
590         (m32c_illegal_subreg_p): New.
591         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
592         unsupported subregs of hard regs.
593
594 2007-02-08  Jan Hubicka  <jh@suse.cz>
595
596         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
597         the same one; always update histograms.
598
599 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
600
601         * passes.c (init_optimization_passes): Tidy comment.
602
603 2007-02-08  Roger Sayle  <roger@eyesopen.com>
604
605         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
606         strip zero_extend, bswap and rotates from POCOUNT's argument.
607         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
608         zero_extend and rotates from PARITY's argument.
609         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
610         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
611         of an integer constant at compile-time.
612
613 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
614
615         PR 30562
616         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
617         Update all users.
618         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
619         users.
620         (init_alias_info):
621         * tree-ssa-live.c (remove_unused_locals): Do not remove
622         TREE_ADDRESSABLE variables.
623         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
624         * tree-ssa-operands.c (add_virtual_operand): Remove argument
625         FOR_CLOBBER.  Update all users.
626         If VAR has an associated alias set, add a virtual operand for
627         it if no alias is found to conflict with the memory reference.
628
629 2007-02-07  Jan Hubicka  <jh@suse.cz>
630             Robert Kidd <rkidd@crhc.uiuc.edu>
631
632         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
633
634 2007-02-07  Ian Lance Taylor  <iant@google.com>
635
636         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
637
638 2007-02-07  Roger Sayle  <roger@eyesopen.com>
639
640         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
641         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
642         tablejumpdi, movsi_to_cr_one): Remove constraints from
643         define_expand's match_operands.
644
645 2007-02-07  Roger Sayle  <roger@eyesopen.com>
646
647         * global.c (compute_regsets): Move declatation of "i" inside of
648         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
649
650 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
651
652         PR c++/30703
653         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
654         of INDIRECT_REF <RESULT_DECL>.
655
656         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
657
658 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
659             Kaz Kojima  <kkojima@gcc.gnu.org>
660
661         PR target/29746
662         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
663         properly.
664         (sh_initialize_trampoline): Add parentheses to avoid a warning.
665
666 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
667
668         * doc/loop.texi: Document possibility not to perform disambiguation
669         of loops with multiple latches.
670         * cfgloopmanip.c (alp_enum_p): Removed.
671         (add_loop): Handle subloops.  Use get_loop_body_with_size.
672         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
673         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
674         the new forwarder block.
675         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
676         Handle the case latch is NULL.
677         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
678         when marking loop exits.
679         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
680         be modified.
681         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
682         disambiguate_loops_with_multiple_latches.
683         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
684         before fix_loop_structure.
685         * cfgloop.c: Include pointer-set.h and output.h.
686         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
687         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
688         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
689         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
690         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
691         disambiguate_multiple_latches, get_loop_body_with_size,
692         disambiguate_loops_with_multiple_latches): New functions.
693         (flow_loop_dump): Dump multiple latch edges.
694         (flow_loop_nodes_find): Handle loops with multiple latches.
695         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
696         (glb_enum_p): Modified.
697         (get_loop_body): Use get_loop_body_with_size.
698         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
699         (AVOID_CFG_MODIFICATIONS): New constant.
700         (disambiguate_loops_with_multiple_latches, add_loop,
701         get_loop_body_with_size): Declare.
702         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
703
704 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
705
706         PR inline-asm/28686
707         * global.c (compute_regsets): New function.
708         (global_alloc): Refactored ELIMINABLE_REGSET
709         and NO_GLOBAL_ALLOC_REGS computation out.
710         (rest_of_handle_global_alloc): Call compute_regsets()
711         for non-optimizing case.
712
713 2007-02-06  Richard Henderson  <rth@redhat.com>
714
715         * config/i386/constraints.md (Y2): Rename from Y.
716         (Yi): New constraint.
717         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
718         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
719         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
720         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
721         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
722         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
723         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
724         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
725         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
726         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
727         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
728         vec_extractv2si_1): Change Y constraints to Y2.
729         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
730         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
731         Change Y constraints to Y2.
732         (sse2_loadld): Change Y constraints to x.
733
734 2007-02-06  Roger Sayle  <roger@eyesopen.com>
735
736         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
737         (parity<mode>2): New define_expand using rs6000_emit_parity.
738         * config/rs6000/rs6000.c (rs6000_emit_popcount,
739         rs6000_emit_parity): New functions.
740         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
741         rs6000_emit_parity): Prototype here.
742
743 2007-02-06  Ian Lance Taylor  <iant@google.com>
744
745         * lower-subreg.c (simple_move_operand): Reject CONST.
746         (resolve_clobber): Call validate_change rather than directly
747         assigning to XEXP (pat, 0).
748
749 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
750
751         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
752         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
753         (tree-cfg.o): Remove hashtab.h dependency.
754
755         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
756         (struct ivopts_data): Change niters to pointer_map_t.
757         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
758         (niter_for_exit): Create pointer_map on demand.  Change for
759         pointer_map API.
760         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
761         (free_loop_data): Destroy data->niters if created and reset field.
762         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
763         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
764
765         * tree-ssa-reassoc.c: Include pointer-set.h.
766         (bb_rank): Change to long *.
767         (operand_rank): Change to pointer_map_t.
768         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
769         (insert_operand_rank): Accept long.
770         (operand_entry_hash, operand_entry_eq): Remove.
771         (get_rank): Return long.  Adjust for changes above.
772         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
773         and operand_rank.
774         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
775
776         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
777         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
778         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
779         is not NULL.
780         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
781         directly since it cannot be NULL.
782         (get_vi_for_tree): Rewrite for pointer_map API.
783         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
784         (init_alias_vars): Create vi_for_tree as pointer_map.
785         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
786
787         * tree-cfg.c: Don't include hashtab.h.
788         (edge_to_cases): Declare as pointer_map.
789         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
790         Delete.
791         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
792         (start_recording_case_labels): Create edge_to_cases as pointer_map.
793         (end_recoding_case_labels): Cleanup edge_to_cases manually before
794         destroying it.
795         (record_switch_edge): Delete.
796         (get_cases_for_edge): Adjust for pointer_map API, inline
797         record_switch_edge (rewritten for new API), remove goto.
798
799 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
800
801         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
802         * tree-nested.c: Include pointer-set.h.
803         (var_map_elt, var_map_eq, var_map_hash): Delete.
804         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
805         to pointer_map_t's.
806         (nesting_info_bitmap_obstack): New.
807         (lookup_field_for_decl): Adjust for pointer_map API.
808         (lookup_tramp_for_decl): Adjust for pointer_map API.
809         (get_nonlocal_debug_decl): Adjust for pointer_map API.
810         (get_local_debug_decl): Adjust for pointer_map API.
811         (convert_nl_goto_reference): Adjust for pointer_map API.
812         (convert_nl_goto_receiver): Adjust for pointer_map API.
813         (create_nesting_tree): Create outside GGC space.  Create bitmap on
814         the new obstack.  Create field_map and var_map as pointer_maps.
815         (free_nesting_tree): Adjust for changes to create_nesting_tree.
816         (root): Delete. 
817         (lower_nested_functions): Move root here, no need to NULL it.
818         Initialize and release the obstack.
819
820 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
821
822         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
823         Remove prototypes and make them non-static.
824         (struct tree_int_map): Remove.
825         * tree.h (struct tree_int_map): Move here, turning TO into an
826         unsigned int.
827         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
828
829         * tree.h (TREE_COMPLEXITY): Remove.
830         (struct tree_exp): Remove complexity field.
831         * tree.c (build1_stat): Don't set it.
832
833 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
834             Victor Kaplansky  <victork@il.ibm.com>
835
836         * tree-vectorizer.c (vect_is_simple_use): Support induction.
837         (vect_is_simple_reduction): Support reduction with induction as
838         one of the operands.
839         (vect_is_simple_iv_evolution): Fix formatting.
840         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
841         formatting.  Don't mark induction phis for vectorization.
842         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
843         * tree-vect-transform.c (get_initial_def_for_induction): New function.
844         (vect_get_vec_def_for_operand): Support induction.
845         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
846         induction case.
847         (vectorizable_reduction): Support reduction with induction as one of 
848         the operands. 
849         (vectorizable_type_demotion): Use def-type of stmt argument rather
850         than dummy def-type.
851
852         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
853         flag_tree_scev_cprop.
854         * common.opt (tree-scev-cprop): New flag.
855
856         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
857         call to vect_get_new_vect_var.
858
859 2007-02-06  Ira Rosen  <irar@il.ibm.com>
860
861         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
862         vectype is not NULL.
863         (vect_pattern_recog_1): Likewise.
864
865 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
866
867         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
868         (fold_negate_expr): Likewise.
869
870 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
871
872         PR debug/30189
873         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
874         even if cv-qualification is the same.
875
876 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
877
878         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
879         __enable_execute_stack on completion.
880
881 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
882
883         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
884         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
885         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
886         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
887         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
888         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
889         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
890         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
891
892 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
893
894         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
895         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
896         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
897         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
898         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
899         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
900         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
901         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
902         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
903         umuldi3_highpart_rex64, umulsi3_highpart_insn,
904         umulsi3_highpart_zext, smuldi3_highpart_rex64,
905         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
906         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
907         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
908         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
909         sqrtextenddfxf2_i387): Added amdfam10_decode.
910         
911         * config/i386/athlon.md (athlon_idirect_amdfam10,
912         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
913         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
914         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
915         athlon_ivector_store_amdfam10): New define_insn_reservation.
916         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
917         amdfam10.
918
919 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
920
921         * config/i386/athlon.md (athlon_call_amdfam10,
922         athlon_pop_amdfam10, athlon_lea_amdfam10): New
923         define_insn_reservation.
924         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
925         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
926         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
927
928 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
929
930         * config/i386/athlon.md (athlon_sseld_amdfam10,
931         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
932         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
933
934 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
935
936         * config/i386/athlon.md (athlon_sseins_amdfam10): New
937         define_insn_reservation.
938         * config/i386/i386.md (sseins): Added sseins to define_attr type
939         and define_attr unit.
940         * config/i386/sse.md: Set type attribute to sseins for insertq
941         and insertqi.
942
943 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
944
945         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
946         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
947         ssecomi_load_amdfam10, ssecomi_amdfam10,
948         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
949         define_insn_reservation.
950         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
951
952 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
953
954         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
955         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
956         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
957         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
958         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
959         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
960         define_insn_reservation.
961
962         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
963         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
964         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
965         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
966         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
967
968 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
969
970         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
971         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
972         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
973         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
974         athlon_ssemul_load_k8): Added amdfam10.
975
976 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
977
978         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
979         (x86_sse_unaligned_move_optimal): New variable.
980         
981         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
982         m_AMDFAM10.
983         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
984         for unaligned vector SSE double/single precision loads for AMDFAM10.
985
986 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
987
988         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
989         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
990         Define TARGET_CPU_DEFAULT_amdfam10.
991         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
992         (processor_type): Add PROCESSOR_AMDFAM10.       
993         
994         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
995         processor_type in config/i386/i386.h.
996         Enable imul peepholes for TARGET_AMDFAM10.
997         
998         * config.gcc: Add support for --with-cpu option for amdfam10.
999         
1000         * config/i386/i386.c (amdfam10_cost): New variable.
1001         (m_AMDFAM10): New macro.
1002         (m_ATHLON_K8_AMDFAM10): New macro.
1003         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1004         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
1005         x86_promote_QImode, x86_integer_DFmode_moves,
1006         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
1007         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
1008         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
1009         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
1010         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
1011         Enable/disable for amdfam10.
1012         (override_options): Add amdfam10_cost to processor_target_table.
1013         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
1014         processor_alias_table.
1015         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
1016         (ix86_adjust_cost): Add code for amdfam10.
1017
1018 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1019         
1020         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
1021         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
1022         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
1023         * config/i386/i386.h: Add builtin definition for SSE4A.
1024         * config/i386/i386.md: Add support for ABM instructions 
1025         (popcnt and lzcnt).
1026         * config/i386/sse.md: Add support for SSE4A instructions
1027         (movntss, movntsd, extrq, insertq).
1028         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
1029         Add -march=amdfam10 flag.
1030         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
1031         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
1032         and amdfam10.
1033         * doc/extend.texi: Add documentation for SSE4A builtins.
1034
1035 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
1036
1037         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
1038
1039 2007-02-05  Richard Guenther  <rguenther@suse.de>
1040
1041         * tree-vectorizer.h (vectorizable_function): Add argument type
1042         argument, change return type.
1043         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
1044         * tree-vect-transform.c (vectorizable_function): Handle extra
1045         argument, return vectorized function decl.
1046         (build_vectorized_function_call): Remove.
1047         (vectorizable_call): Handle calls with result and argument types
1048         differing.  Handle loop vectorization factor correctly.
1049         * targhooks.c (default_builtin_vectorized_function): Adjust for
1050         extra argument.
1051         * targhooks.h (default_builtin_vectorized_function): Likewise.
1052         * target.h (builtin_vectorized_function): Add argument type
1053         argument.
1054         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
1055         extra argument, allow vectorizing of lrintf.
1056         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
1057         documentation of target hook.
1058
1059 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
1060
1061         PR target/30665
1062         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
1063         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
1064         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
1065
1066 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1067
1068         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
1069         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
1070         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
1071         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
1072         before canonicalizing sincos to cexpi.
1073         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
1074
1075 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1076
1077         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
1078         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
1079         (alpha_init_builtins): Use alpha_add_builtins to process tables.
1080
1081 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1082
1083         * mips-tfile.c (initialize_init_file): Correct endianness test.
1084
1085 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
1086
1087         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
1088         the 'y' constraint.
1089
1090 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1091
1092         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
1093         saves in a PARALLEL before the register assignments.
1094
1095 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1096
1097         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
1098         DWARF_FRAME_RETURN_COLUMN to be a general register.
1099         * dwarf2out.c (init_return_column_size): New function, split from...
1100         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
1101         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
1102         to be nongeneral registers.
1103         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
1104         integer registers.
1105         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
1106         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
1107
1108 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1109
1110         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
1111
1112 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1113
1114         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
1115         (remove_path): Use can_remove_branch_p and remove_branch instead
1116         of loop_delete_branch_edge.
1117         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
1118         (tree_transform_and_unroll_loop): Remove dead branches immediately.
1119         Update profile using scale_dominated_blocks_in_loop.
1120         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
1121         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
1122         (can_remove_branch_p, remove_branch): Declare.
1123         * tree-cfg.c (tree_can_remove_branch_p): New function.
1124         (tree_cfg_hooks): Add tree_can_remove_branch_p.
1125         * cfgrtl.c (rtl_can_remove_branch_p): New function.
1126         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
1127
1128 2007-02-05  Jan Hubicka  <jh@suse.cz>
1129
1130         PR middle-end/30696
1131         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
1132         nodes in cgraph, don't remove offline copy of the function.
1133
1134 2007-02-04  Jan Hubicka  <jh@suse.cz>
1135
1136         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
1137         vectors might cause maybe_lookup_element_for_expr to be called
1138         on non-sra-candidate.
1139
1140 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1141
1142         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
1143         config/bfin/bfin.md, config/bfin/predicates.md: Follow
1144         spelling conventions.
1145
1146 2007-02-04  Richard Guenther  <rguenther@suse.de>
1147
1148         PR middle-end/30636
1149         * fold-const.c (try_move_mult_to_index): Make sure to not
1150         overflow one dimension of a multi-dimensional array access.
1151
1152 2007-02-04  Jan Hubicka  <jh@suse.cz>
1153
1154         * passes.c (init_optimization_passes): Reindent.
1155
1156 2007-02-04  Jan Hubicka  <jh@suse.cz>
1157             Eric Botcazou  <ebotcazou@adacore.com>
1158
1159         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
1160         (execute_fixup_cfg): Break out the abnormal goto code.
1161         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
1162         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
1163         (optimize_inline_calls): Call make_nonlocal_label_edges.
1164
1165 2007-02-04  Jan Hubicka  <jh@suse.cz>
1166
1167         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
1168         true when something was changed.
1169         (rename_ssa_copies): When something was changed, do
1170         TODO_remove_unused_locals.
1171         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1172         add TODO_remove_unused_locals when instruction was removed.
1173
1174 2007-02-04  Jan Hubicka  <jh@suse.cz>
1175
1176         * ipa-inline.c (try_inline): Improve debug output; work on already
1177         inline edges too.
1178         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
1179         call try_inline for already inlined edges too when flattening; 
1180         inline also functions that make callee growth but overall unit size
1181         reduce.
1182
1183 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1184
1185         * config/m32c/bitops.md, config/m32c/jump.md,
1186         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
1187         config/m32r/m32r.h, config/m32r/m32r.md,
1188         config/m32r/predicates.md, config/m68hc11/larith.asm,
1189         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1190         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
1191         config/mips/mips-protos.h, config/mips/mips.c,
1192         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
1193         config/mn10300/mn10300.h, config/mn10300/predicates.md,
1194         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
1195         spelling conventions.
1196
1197         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
1198         Follow spelling conventions.
1199
1200 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
1201
1202        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
1203        warn about C++0x compatibility.
1204         
1205 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1206
1207         * config/h8300/h8300.c, config/h8300/h8300.h,
1208         config/h8300/h8300.md: Follow spelling conventions.
1209
1210 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
1211
1212         PR middle-end/30667
1213         * combine.c (try_combine): Do not substitute source operand
1214         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
1215
1216 2007-02-03  Jan Hubicka  <jh@suse.cz>
1217
1218         PR gcov-profile/30650
1219         * value-prof.c (stringop_block_profile): Fix handling of size counter;
1220         do not divide by zero for never executed counters.
1221         (tree_find_values_to_profile): Fix counters.
1222         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
1223
1224 2007-02-03  Ian Lance Taylor  <iant@google.com>
1225
1226         * lower-subreg.c (simple_move_operand): New static function,
1227         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
1228         operands.
1229         (simple_move): Call simple_move_operand.
1230         (find_decomposable_subregs): Add special handling of MEMs.
1231         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
1232         meaning of return value.  If we see a hard register, test whether
1233         it can store a word_mode value.  Change all callers.
1234
1235 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1236
1237         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
1238         ftrapv insns and expanders.
1239         (subdi3): Change define_expand operand 1 to arith11_operand, and
1240         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
1241         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
1242         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
1243         respectively.
1244
1245         PR middle-end/30174
1246         * varasm.c (notice_global_symbol): Treat global objects as weak when
1247         flag_shlib is true.
1248
1249 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1250
1251         * emit-rtl.c (dconstpi): Delete.
1252         (dconstsqrt2): New.
1253         (init_emit_once): Delete dconstpi and init dconstsqrt2.
1254         * real.h (dconstpi): Delete.
1255         (dconstsqrt2): New.
1256         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1257         (fold_builtin_hypot): Likewise.
1258
1259 2007-02-03  Tom Tromey  <tromey@redhat.com>
1260
1261         PR driver/30246
1262         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1263         -gcoff3, -gxcoff3, -gvms3 implies -dD.
1264
1265 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
1266
1267         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1268         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1269         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1270         config/rs6000/cell.md, config/rs6000/darwin.h,
1271         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1272         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1273         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1274         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1275         typos.  Follow spelling conventions.
1276         * doc/invoke.texi: Follow spelling conventions.
1277
1278 2007-02-03  Roger Sayle  <roger@eyesopen.com>
1279
1280         * simplify-rtx.c (simplify_relational_operation_1): Implement some
1281         canonicalization transformations that attempt to simplify integer
1282         constant comparisons to become comparisons against zero.
1283
1284 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1285
1286         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1287         fabs(x)*sqrt(2).
1288         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
1289         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
1290
1291 2007-02-02  Mike Stump  <mrs@apple.com>
1292
1293         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1294         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1295         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1296         generate a branch island.
1297
1298 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
1299
1300         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1301         (xtensa_legitimate_address_p): New.
1302         (xtensa_legitimize_address): New.
1303         (xtensa_output_addr_const_extra): New.
1304         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1305         (BASE_REG_P): New.
1306         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1307         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1308         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1309         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1310         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1311         (xtensa_legitimize_address): New.
1312         (xtensa_output_addr_const_extra): New.
1313
1314 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
1315
1316         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1317
1318 2007-02-02  Ian Lance Taylor  <iant@google.com>
1319
1320         * expmed.c (expand_divmod): Add comment.
1321
1322 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
1323
1324         * emit-rtl.c (renumber_insns): Remove.
1325         * flags.h: Remove the extern for flag_renumber_insns.
1326         * rtl.h: Remove the prototype for renumber_insns.
1327         * toplev.c (flag_renumber_insns): Remove.
1328
1329 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
1330
1331         Revert for x86 darwin:
1332         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1333         
1334         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1335         code before the following patch under TARGET_MACHO.
1336         (ix86_function_value_regno_p): Likewise.
1337
1338 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1339
1340         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1341         COMPLEX_EXPR.
1342
1343 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1344
1345         PR target/29682
1346         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1347         general or fp registers.  Add comments.
1348         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1349
1350 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
1351
1352         * pointer-set.c (insert_aux): Only return insertion slot.
1353         (pointer_set_insert): Adjust.
1354         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1355         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1356         pointer_map_traverse): New.
1357         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1358         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
1359         pointer_map_contains, pointer_map_traverse): Declare.
1360
1361 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
1362
1363         PR middle-end/30473
1364         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1365         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
1366
1367 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1368
1369         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1370         
1371         (struct _dep): New type.
1372         (dep_t): New typedef.
1373         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1374         (DEP_STATUS): New access macro.  The macro with the same name was
1375         renamed to DEP_LINK_STATUS.
1376         (dep_init): Declare function
1377
1378         (struct _dep_link): New type.
1379         (dep_link_t): New typedef.
1380         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1381         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1382         (DEP_LINK_STATUS): New macro.
1383         (debug_dep_links): New debug function.
1384
1385         (struct _deps_list): New type.
1386         (deps_list_t): New typedef.
1387         (DEPS_LIST_FIRST): New access macro.
1388         (FOR_EACH_DEP_LINK): New cycle macro.
1389         (create_deps_list, free_deps_list, delete_deps_list): Declare
1390         functions.
1391         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1392         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1393         (copy_deps_list_change_con): Ditto.
1394
1395         (move_dep_link): Declare function.
1396
1397         (struct _dep_node): New type.
1398         (dep_node_t): New typedef.
1399         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1400
1401         (struct haifa_insn_data.back_deps): New field to hold backward
1402         dependencies of the insn.
1403         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
1404         to deps_list_t.
1405         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1406         Change its type to deps_list_t.
1407         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1408         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1409         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1410
1411         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
1412         
1413         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
1414
1415         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1416         all callers.
1417         (dep_cost): Declare.
1418         
1419         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1420         (ds_to_dk, dk_to_ds): New functions.
1421         
1422         (init_dep_1): New static function.
1423         (init_dep): New function.
1424         (copy_dep): New static function.
1425         
1426         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1427         functions.
1428         (detach_dep_link): New static function.
1429         (move_dep_link): New function.
1430         
1431         (dep_links_consistent_p, dump_dep_links): New static functions.
1432         (debug_dep_links): New debugging function.
1433         
1434         (deps_obstack, dl_obstack, dn_obstack): New static variables.
1435         
1436         (alloc_deps_list, init_deps_list): New static functions.
1437         (create_deps_list): New function.
1438         (clear_deps_list): New static function.
1439         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1440         (deps_list_consistent_p, dump_deps_list): New static functions.
1441         (debug_deps_list): New function.
1442         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1443         functions.
1444         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1445
1446         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1447         use new scheduler dependencies lists.
1448         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1449         (sched_analyze): Ditto.  Initialize dependencies lists.
1450         (add_forw_dep, compute_forward_dependences): Update to use new
1451         scheduler dependencies lists.
1452         
1453         (init_dependency_caches): Init deps_obstack.
1454         (free_dependency_caches): Free deps_obstack.
1455         
1456         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1457         new scheduler dependencies lists.
1458         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1459         (add_back_forw_dep, delete_back_forw_dep): Ditto.
1460
1461         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1462         Update to use new scheduler dependencies lists.
1463         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1464         (debug_dependencies): Ditto.
1465         (schedule_region): Update comments.
1466         
1467         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1468         scheduler dependencies lists.
1469         (schedule_ebb): Update comments.
1470         
1471         * rtl.def (DEPS_LIST): Remove.
1472         
1473         * lists.c (unused_deps_list): Remove.
1474         (free_list): Update assertions.
1475         
1476         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1477         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1478
1479         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1480         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1481         
1482         * haifa-sched.c (comments): Update.
1483         (insn_cost1): Remove.  Inline the code into insn_cost ().
1484         (insn_cost): Update to use new scheduler dependencies lists.  Move
1485         processing of the dependency cost to dep_cost ().
1486         (dep_cost): New function.  Use it instead of insn_cost () when
1487         evaluating cost of the dependency.  Use compatible interface to
1488         interact with the target.
1489         (priority): Update to use new scheduler dependencies lists.
1490         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
1491         with greater number of insns that depend on the insn.
1492         (schedule_insn): Update to use new scheduler dependencies lists.  Add
1493         code to free backward dependencies lists.  Inline and optimize code
1494         from resolve_dep () - see PR28071.
1495         (ok_for_early_queue_removal): Update to use new scheduler dependencies
1496         lists.  Update call to targetm.sched.is_costly_dependence hook.
1497         
1498         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1499         scheduler dependencies lists.
1500         
1501         (resolve_dep): Remove.  Move the logic to schedule_insn ().
1502         (init_h_i_d): Initialize dependencies lists.
1503         
1504         (process_insn_depend_be_in_spec): Rename to
1505         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
1506         dependencies lists.
1507         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1508         Update to use new scheduler dependencies lists.
1509         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1510         
1511         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1512         new scheduler dependencies lists.
1513         (build_intra_loop_deps): Ditto.
1514         
1515         * target.h (struct _dep): Declare to use in
1516         gcc_target.sched.is_costly_dependence.
1517         (struct gcc_target.sched.adjust_cost): Fix typo.
1518         (struct gcc_target.sched.is_costly_dependence): Change signature to use
1519         single dep_t parameter instead of an equivalent triad.
1520         (struct gcc_target.sched.adjust_cost_2): Remove.
1521
1522         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1523
1524         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1525
1526         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1527         documentation.
1528         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1529
1530         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1531         (REG_DEP_TRUE): Document.
1532         
1533         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1534         Change signature to correspond to the targetm.sched.adjust_cost hook.  
1535         Update use in TARGET_SCHED_ADJUST_COST_2.
1536         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1537         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1538         new scheduler dependencies lists.
1539         (ia64_gen_check): Ditto.
1540
1541         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1542         dependencies lists.
1543         
1544         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1545         signature to correspond to the targetm.sched.is_costly_dependence hook.
1546         (is_costly_group): Update to use new scheduler dependencies lists.
1547
1548         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1549         instead of INSN_COST () macro.
1550
1551 2007-02-01  Ian Lance Taylor  <iant@google.com>
1552
1553         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1554
1555 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
1556
1557         * pa.md (tp_load): Correct mfctl instruction syntax.
1558
1559 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
1560
1561         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1562         altivec_padding_size calculation on AIX.  Improve comment, add
1563         assert to verify that it's right.
1564
1565         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1566         64-bit.
1567
1568 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
1569
1570         PR inline-asm/28686
1571         * global.c (global_alloc): Add mising initialization of
1572         ELIMINABLE_REGSET.
1573
1574 2007-02-01  Roger Sayle  <roger@eyesopen.com>
1575
1576         * alias.c (init_alias_analysis): Correct whitespace.
1577         * bb-reorder.c (fix_edges_for_rarely_executed_code,
1578         partition_hot_cold_basic_blocks): Likewise.
1579         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1580         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1581         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1582         fold_builtin_snprintf_chk, fold_builtin_printf,
1583         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1584         do_mpfr_arg3, do_mpfr_sincos): Likewise.
1585         * cfgcleanup.c (cleanup_cfg): Likewise.
1586         * cfgexpand.c (tree_expand_cfg): Likewise.
1587         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1588         * function.c (get_next_funcdef_no): Likewise.
1589         * gengtype.c (main): Likewise.
1590         * genmodes.c (main): Likewise.
1591         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1592         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1593         * ifcvt.c (noce_emit_move_insn): Likewise.
1594         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1595         Likewise.
1596         * stor-layout.c (get_best_mode): Likewise.
1597         * tree-ssa-loop-niter.c (get_val_for): Likewise.
1598         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1599         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1600         perform_var_substitution, solve_graph): Likewise.
1601         * tree-vrp.c (vrp_finalize): Likewise.
1602
1603 2007-02-01  Ian Lance Taylor  <iant@google.com>
1604
1605         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1606         high part of a paradoxical subreg, return a constant zero.
1607
1608 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
1609
1610         * toplev.c (lang_dependent_init): Call init_set_costs.
1611         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1612
1613 2007-02-01  Richard Guenther  <rguenther@suse.de>
1614
1615         PR middle-end/30656
1616         * fold-const.c (fold_negate_expr): Allow negating a
1617         constant if overflow does not change.
1618
1619 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1620
1621         * doc/c-tree.texi (Expression trees): Improve markup.
1622         * doc/tm.texi (Register Classes, Addressing Modes)
1623         (Floating Point): Fix spacing after abbreviations.  Fix some
1624         typos.
1625
1626 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1627
1628         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1629         * doc/contrib.texi: Likewise.
1630         * doc/install.texi: Likewise.
1631
1632 2007-01-31  Richard Henderson  <rth@redhat.com>
1633             Ian Lance Taylor  <iant@google.com>
1634
1635         * lower-subreg.c: New file.
1636         * rtl.def (CONCATN): Define.
1637         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1638         pass_lower_subreg2.
1639         * emit-rtl.c (update_reg_offset): New static function, broken out
1640         of gen_rtx_REG_offset.
1641         (gen_rtx_REG_offset): Call update_reg_offset.
1642         (gen_reg_rtx_offset): New function.
1643         * regclass.c: Revert patch of 2006-03-05, restoring
1644         reg_scan_update.
1645         (clear_reg_info_regno): New function.
1646         * dwarf2out.c (concatn_loc_descriptor): New static function.
1647         (loc_descriptor): Handle CONCATN.
1648         * common.opt (fsplit_wide_types): New option.
1649         * opts.c (decode_options): Set flag_split_wide_types when
1650         optimizing.
1651         * timevar.def (TV_LOWER_SUBREG): Define.
1652         * rtl.h (gen_reg_rtx_offset): Declare.
1653         (reg_scan_update): Declare.
1654         * regs.h (clear_reg_info_regno): Declare.
1655         * tree-pass.h (pass_lower_subreg): Declare.
1656         (pass_lower_subreg2): Declare.
1657         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1658         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1659         -fsplit-wide-types.
1660         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1661         * Makefile.in (OBJS-common): Add lower-subreg.o.
1662         (lower-subreg.o): New target.
1663
1664 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1665
1666         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1667
1668 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1669
1670         PR target/19087
1671         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1672
1673 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1674
1675         PR middle-end/29335
1676         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1677
1678 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1679
1680         * cfgloop.h: Include vec-prim.h.
1681         (enum li_flags): Remove LI_ONLY_OLD.
1682         (loop_iterator): Changed.
1683         (fel_next, fel_init): Iterate over loop tree.
1684         (FOR_EACH_LOOP_BREAK): New macro.
1685         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1686         FOR_EACH_LOOP.
1687         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1688         * modulo-sched.c (sms_schedule): Ditto.
1689         * tree-vectorizer.c (vectorize_loops): Ditto.
1690         * doc/loop.texi: Update information on loop numbering and behavior of
1691         FOR_EACH_LOOP wrto new loops.
1692         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1693         add_to_evolution_1): Test nestedness of loops instead of comparing
1694         their numbers.
1695         * tree-chrec.c (chrec_fold_plus_poly_poly,
1696         chrec_fold_multiply_poly_poly, chrec_evaluate,
1697         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1698         reset_evolution_in_loop): Ditto.
1699         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1700
1701 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1702
1703         * c-common.c (warn_about_parentheses): Separate warning about
1704         un-parenthized sequence of comparison operators from the one
1705         which is supposed to warn about x <= y <= z.
1706
1707 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1708
1709         * optabs.h (enum optab_index): Add new OTI_isinf.
1710         (isinf_optab): Define corresponding macro.
1711         * optabs.c (init_optabs): Initialize isinf_optab.
1712         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1713         patterns.
1714         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1715         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1716         using isinf_optab.
1717         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1718         expand_builtin_interclass_mathfn.
1719         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1720         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1721         (fxam<mode>2_i387): New insn pattern.
1722         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1723         built-in functions as x87 inline asm.
1724
1725 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1726
1727         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1728
1729 2007-01-30  Eric Christopher  <echristo@apple.com>
1730
1731         * config.gcc: Add geode.
1732
1733 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1734
1735         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1736         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1737         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1738         value-prof.c: Fix comment typos.
1739
1740 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1741
1742         PR c++/24745
1743         * doc/invoke.texi (Wpointer-arith): Document warning.
1744
1745 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
1746
1747         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1748         the list of discrepancies from the draft TR.
1749
1750 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1751
1752         PR c++/30601
1753         * doc/invoke.texi (-Wreturn-type): Update description to
1754         match new behavior.
1755
1756 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1757
1758         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1759
1760 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1761
1762         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1763         to handle optabs that operate on floating point input argument and
1764         output to integer output.
1765         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1766         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1767         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1768         expand_builtin_interclass_mathfn ().
1769         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1770         (ilogbsi2): Remove.
1771         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1772         ilogbl built-in functions as x87 intrinsics.
1773
1774 2007-01-30  Richard Guenther  <rguenther@suse.de>
1775
1776         PR middle-end/27657
1777         * dwarf2out.c (reference_to_unused): Query varpool if the
1778         variable was output.
1779
1780 2007-01-30  Richard Guenther  <rguenther@suse.de>
1781
1782         PR middle-end/30313
1783         * passes.c (execute_one_pass): Reset in_gimple_form to not
1784         confuse non-unit-at-a-time mode.
1785
1786 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1787             Richard Guenther  <rguenther@suse.de>
1788
1789         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1790         avoid undefined behaviour on overflow.  Use force_fit_type_double
1791         to construct the constant with the specified TREE_OVERFLOW.
1792
1793 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1794
1795         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1796         * config/dfp-bit.h: Ditto.
1797
1798 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1799
1800         * c-decl.c (pop_scope): Replace warnings with call to
1801         warn_for_unused_label.
1802         * c-common.h (warn_for_unused_label): Declare.
1803         * c-common.c (warn_for_unused_label): Define.
1804
1805 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1806
1807         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1808         function.
1809
1810 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1811
1812         * Makefile.in (USER_H): Remove decfloat.h.
1813         * ginclude/decfloat.h: Delete, moving contents to ...
1814         * ginclude/float.h: Add support for decimal floating point,
1815         guarded by __STDC_WANT_DEC_FP__.
1816
1817 2007-01-29  Mike Stump  <mrs@apple.com>
1818
1819         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1820         Analysis and Representation to resolve case insensitive conflict.
1821         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1822
1823 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1824
1825         * tree.h (struct tree_memory_tag): Add aliases member.
1826         (MTAG_ALIASES): New macro.
1827         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1828         (add_may_alias): Remove pointer-set. Update for may_aliases being
1829         a bitmap.
1830         (mark_aliases_call_clobbered): Update for may_aliases being a
1831         bitmap.
1832         (compute_tag_properties): Ditto.
1833         (create_partition_for): Ditto.
1834         (compute_memory_partitions): Ditto.
1835         (dump_may_aliases_for): Ditto.
1836         (is_aliased_with): Ditto.
1837         (add_may_alias_for_new_tag): Ditto.
1838         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1839         (compute_is_aliased): New function.
1840         (compute_may_aliases): Call compute_is_aliased).
1841         (init_alias_info): Initialize alias_bitmap_obstack.
1842         (union_alias_set_into): New function.
1843         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1844         (have_common_aliases_p): Rewrite to take two bitmaps and use
1845         intersection.
1846         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1847         Update for bitmaps.
1848         (finalize_ref_all_pointers): Update for add_may_alias changes.
1849         (new_type_alias): Ditto.
1850         * tree-flow-inline.h (may_aliases): Return a bitmap.
1851         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1852         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1853         may_aliases being a bitmap.
1854         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1855         may_aliases now returns a bitmap.
1856         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1857         being a bitmap.
1858         * tree-ssa-operands.c (add_virtual_operand): Update for
1859         may_aliases being a bitmap.
1860
1861 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1862
1863         PR tree-optimization/30630
1864         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1865         variable as changed.
1866
1867 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1868
1869         PR c++/28266
1870         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1871         expanded only once even if an error occurs.
1872
1873 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1874
1875         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1876         (__gcov_average_profiler): Likewise.
1877         (__gcov_ior_profiler): Likewise.
1878         (__gcov_merge_ior): Likewise.
1879
1880 2007-01-28  Jan Hubicka  <jh@suse.cz>
1881
1882         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1883         * value-prof.c (stringop_block_profile): Likewise.
1884
1885 2007-01-28  Jan Hubicka  <jh@suse.cz>
1886
1887         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1888         variant handling histograms; add wrapper.
1889         (clear_storage_via_libcall): Export.
1890         (emit_block_move_hints): Break out from ...; add histograms.
1891         (emit_block_move): ... this one.
1892         (clear_storage_hints): Break out from ...; add histograms.
1893         (clear_storage): ... this one.
1894         (set_storage_via_memset): Handle histogram.
1895         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1896         (clear_storage_hints, clear_storage_via_libcall): Declare.
1897         (set_storage_via_setmem): Update prototype.
1898         * doc/md.texi (movmem, setmem): Document new arguments.
1899
1900         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1901         new histograms.
1902         (stringop_block_profile): New global function.
1903         (tree_stringops_values_to_profile): Profile block size and alignment.
1904         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1905         HIST_TYPE_IOR.
1906         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1907         (stringop_block_profile): Declare.
1908         * builtins.c: Include value-prof.h.
1909         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1910         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1911         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1912         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1913         * profile.c (instrument_values): Add new counters.
1914         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1915         calls.
1916         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1917         (tree_init_edge_profiler): Build new profilers.
1918         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1919         (pass_tree_profile): Add dump.
1920         (tree_profile_hooks): Update.
1921         * Makefile.in (LIBGCOV): Add new constants.
1922         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1923         __gcov_ior_profiler): New.
1924         * i386.md (movmem/setmem expanders): Add new optional arguments.
1925
1926 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1927
1928         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1929
1930 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1931
1932         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1933         (tree_unswitch_single_loop): Pass eni_size_weights to
1934         tree_num_loop_insns.
1935         * tree-ssa-loop-manip.c: Include tree-inline.h.
1936         (can_unroll_loop_p): Pass eni_size_weights to
1937         tree_num_loop_insns.
1938         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1939         Pass eni_size_weights to estimate_num_insns.
1940         * tree.h (init_inline_once): Export.
1941         * toplev.c (backend_init): Call init_inline_once.
1942         * cgraphunit.c (cgraph_process_new_functions,
1943         cgraph_analyze_function): Pass eni_inlining_weights to
1944         estimate_num_insns.
1945         * ipa-inline.c (compute_inline_parameters): Ditto.
1946         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1947         to estimate_num_insns.
1948         (try_unroll_loop_completely): Pass eni_size_weights to
1949         tree_num_loop_insns.
1950         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1951         ot estimate_num_insns.
1952         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1953         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1954         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1955         eni_time_weights): New variables.
1956         (init_inline_once): Initialize them.
1957         (struct eni_data): Mew.
1958         (estimate_num_insns_1, estimate_num_insns): Use weights.
1959         * tree-inline.h (struct eni_weights_d): New.
1960         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1961         (estimate_num_insns): Declaration changed.
1962         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1963         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1964         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1965
1966 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1967
1968         * tree-data-ref.c (conflict_fn): Assert that the number of affine
1969         relations in the conflict function is valid.
1970
1971 2007-01-27  Ian Lance Taylor  <iant@google.com>
1972
1973         * common.opt: Add fstrict-overflow.
1974         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1975         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1976         (TYPE_OVERFLOW_UNDEFINED): Define.
1977         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1978         Replace all uses.
1979         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1980         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1981         (fold_negate_expr): Likewise.
1982         (make_range): Likewise.
1983         (extract_muldiv_1): Likewise.
1984         (maybe_canonicalize_comparison): Likewise.
1985         (fold_comparison): Likewise.
1986         (fold_binary): Likewise.
1987         (tree_expr_nonnegative_p): Likewise.
1988         (tree_expr_nonzero_p): Likewise.
1989         * tree-vrp.c (compare_values): Likewise.
1990         (extract_range_from_binary_expr): Likewise.
1991         (extract_range_from_unary_expr): Likewise.
1992         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1993         Likewise.
1994         (nowrap_type_p): Likewise.
1995         * tree-scalar-evolution.c (simple_iv): Likewise.
1996         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1997         (build_range_check): Likewise.
1998         (extract_muldiv_1): Likewise.
1999         (fold_comparison): Likewise.
2000         * tree-vrp.c (vrp_int_const_binop): Likewise.
2001         (extract_range_from_unary_expr): Likewise.
2002         * convert.c (convert_to_integer): Likewise.
2003         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
2004         (fold_comparison): Likewise.
2005         (fold_binary): Likewise.
2006         * optabs.c (optab_for_tree_code): Likewise.
2007         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
2008         * simplify-rtx.c (simplify_const_relational_operation): Check
2009         flag_strict_overflow and flag_trapv.
2010         (simplify_const_relational_operation): Likewise.
2011         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
2012         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
2013         -fstrict-overflow.
2014
2015 2007-01-27  Roger Sayle  <roger@eyesopen.com>
2016
2017         * tree.c (tree_fold_gcd): Delete.
2018         * tree.h (tree_fold_gcd): Remove prototype.
2019         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
2020         test whether one constant integer is a multiple of another.  Instead
2021         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
2022         * fold-const.c (multiple_of_p):  We've determined both TOP and
2023         BOTTOM are integer constants so we can call int_const_binop directly
2024         instead of the more generic const_binop.
2025
2026 2007-01-27  Roger Sayle  <roger@eyesopen.com>
2027
2028         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
2029         1*X check that the constant hasn't overflowed, to preserve the
2030         TREE_OVERFLOW bit.
2031         (round_up): Provide an efficient implementation when rouding-up an
2032         INTEGER_CST to a power-of-two.
2033
2034 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2035
2036         * doc/sourcebuild.texi: Add comma for clarity.
2037         * doc/extend.texi: Fix some typos.
2038         * doc/passes.texi: Likewise.
2039         * doc/cppinternals.texi: Likewise.
2040         * doc/c-tree.texi: Likewise.
2041         * doc/tree-ssa.texi: Likewise.
2042         * doc/install.texi: Likewise.
2043
2044 2007-01-27  Jan Hubicka  <jh@suse.cz>
2045
2046         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
2047         (pass_sra): Do not require alias information.
2048         * passes.c (init_optimization_passes): Add SRA
2049
2050 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
2051
2052         * tracer.c (rest_of_handle_tracer): We already cleaned
2053         up the CFG in tracer() so don't do it here again.
2054         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
2055         cleanup_cfg here, either.  And don't call renumber_insns.
2056
2057         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
2058         and BB_HEAD are in the insn stream here.  Instead make sure
2059         that BB_INSN is valid on all insns.  Also, do check here that
2060         there are no pending branch predictions...
2061         (rtl_verify_flow_info): ...instead of doing it here.  Checks
2062         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
2063         here.
2064
2065 2007-01-26  Roger Sayle  <roger@eyesopen.com>
2066
2067         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
2068         function to simplify/factorize operand order canonicalization.
2069         (ix86_fixup_binary_operands): Reorganize using the above function.
2070         (ix86_binary_operator_ok): Likewise.
2071
2072 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
2073
2074         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
2075         file scope from optimize_attrs.
2076         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
2077         up search.
2078         (optimize_attrs): Clear insn_code_values after freeing it.
2079
2080 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2081
2082         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
2083         a parts.base assignment.
2084
2085 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2086
2087         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
2088         (compute_subscript_distance, initialize_data_dependence_relation,
2089         finalize_ddr_dependent, analyze_ziv_subscript,
2090         analyze_siv_subscript_cst_affine,
2091         compute_overlap_steps_for_affine_univar,
2092         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
2093         analyze_siv_subscript, analyze_miv_subscript,
2094         analyze_overlapping_iterations, subscript_dependence_tester_1,
2095         compute_self_dependence, free_dependence_relation): Work
2096         with affine_fn instead of chrecs.
2097         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
2098         common_affine_function, affine_function_base,
2099         affine_function_constant_p, affine_fn_op, affine_fn_plus,
2100         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
2101         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
2102         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
2103         (all_chrecs_equal_p): Removed.
2104         * tree-data-ref.h (affine_fn, conflict_function): New types.
2105         (struct subscript): Change type of conflicting_iterations_in_a
2106         and conflicting_iterations_in_b.
2107
2108 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
2109
2110         PR other/30182
2111         * config/pa/pa.h (TARGET_HPUX_11): New.
2112         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
2113         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
2114
2115 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
2116         Richard Guenther  <rguenther@suse.de>
2117
2118         * tree-ssa-structalias.c (solve_graph): Handle case
2119         we merged the variable to another.
2120
2121 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2122
2123         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
2124         functions.
2125
2126         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
2127         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
2128
2129 2007-01-25  DJ Delorie  <dj@redhat.com>
2130
2131         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
2132         allow changes to modes which don't fit in those registers.
2133
2134         * reload1.c (choose_reload_regs): Check for invalid subregs before
2135         computing their locations, not after.
2136
2137 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
2138
2139         PR 25127
2140         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
2141         save Altivec registers in an eh_return function.
2142         (compute_vrsave_mask): Likewise.
2143         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
2144         for saving Altivec registers.
2145         (rs6000_emit_prologue): Don't allocate stack twice in
2146         eh_return function.  Correct expected value of altivec_save_offset
2147         when using save_world.  Describe save of R0 to stack when using
2148         save_world.  Describe stack pointer adjustment when using
2149         save_world.  Remove duplicated eh_return parameter register saving.
2150         Update sp_offset variable after save_world.
2151         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
2152         darwin-world.asm.
2153         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
2154         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
2155         implies Altivec.
2156
2157 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2158
2159         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
2160
2161 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2162
2163         PR other/30182
2164         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
2165         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
2166
2167 2007-01-25  Richard Guenther  <rguenther@suse.de>
2168
2169         * doc/invoke.texi (-Wcoverage-mismatch): Document.
2170         * common.opt (-Wcoverage-mismatch): New warning option.
2171         * coverage.c (get_coverage_counts): Ignore coverage mismatch
2172         if -Wcoverage-mismatch is given.
2173
2174 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
2175
2176         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
2177         (ipcp_driver): Change to static definition.
2178         Add dumping of the ifunctions.
2179         (constant_val_insert): Remove unused parameter. Support for SSA.
2180         (ipcp_propagate_const): Support for SSA.
2181         (ipcp_profile_bb_print): Print only analyzed nodes.
2182         (ipcp_replace_map_create): Remove support for Fortran constant
2183         for now.
2184         * ipa-prop.c (ipa_method_modify_stmt,
2185         ipa_callsite_compute_param): Support for SSA.
2186         * ipa-prop.h (ipcp_driver): Remove declaration.
2187         (IS_VALID_TREE_MAP_INDEX): Add define.
2188
2189 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
2190
2191         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
2192
2193 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2194
2195         PR middle-end/30447
2196         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
2197         constant argument to cabs and do it without checking for
2198         -funsafe-math-optimizations.
2199
2200 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
2201
2202         * c-common.h (RID_FIRST_CXX0X): New.
2203         (RID_LAST_CXX0X): New.
2204         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
2205         by -Wall.
2206         * c.opt (Wc++0x-compat): New.
2207         * doc/invoke.texi (-Wc++0x-compat): Document.
2208
2209 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2210
2211         * builtins.c (fold_builtin_carg): New.
2212         (fold_builtin_1): Use it.
2213
2214 2007-01-24  Jan Hubicka  <jh@suse.cz>
2215
2216         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
2217
2218         * ipa-inline.c (initial_insns, max_insns): Delete.
2219         (compute_max_insns): New function.
2220         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
2221         of insns as base for code growth.
2222         (cgraph_decide_inlining): Make initial_insns local; do not compute
2223         max_insns.
2224         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
2225         * doc/invoke.texi (inline-unit-growth): Update docs.
2226
2227 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
2228
2229         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
2230         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
2231         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
2232         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
2233         for CPUs that have PTA_CX16 set.
2234
2235         PR middle-end/27416
2236         * gimplify.c (omp_check_private): New function.
2237         (gimplify_scan_omp_clauses): Use it for
2238         firstprivate/lastprivate/reduction.
2239
2240         PR middle-end/30494
2241         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2242         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2243
2244         PR middle-end/30421
2245         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2246         If lower_lastprivate_clauses emits some statements, append them
2247         to dlist rather than body_p and to body_p append an initializer.
2248         (lower_omp_for): Adjust caller.
2249
2250 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
2251
2252         * target.h (globalize_decl_name): New.
2253         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2254         * output.h (default_globalize_decl_name): New.
2255         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2256         globalize_label.
2257         (globalize_decl): Ditto.
2258         (default_globalize_decl_name): New.
2259         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2260         (ia64_handle_version_id_attribute): New.
2261         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2262         (ia64_asm_output_external): Use globalize_decl_name instead
2263         of globalize_label.
2264         * doc/extend.texi (version_id): New pragma.
2265         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2266
2267 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2268
2269         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2270         _uleb128_t and _Unwind_SWord with _sleb128_t.
2271         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2272         uw_frame_state_for, uw_update_context_1): Likewise.
2273         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2274         * unwind-pe.h (read_uleb128, read_sleb128,
2275         read_encoded_value_with_base): Likewise.
2276         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2277
2278 2007-01-24  Richard Guenther  <rguenther@suse.de>
2279
2280         * builtins.c (expand_builtin_cexpi): Get the fndecl
2281         for cexp in the correct way.
2282
2283 2007-01-24  Jan Hubicka  <jh@suse.cz>
2284
2285         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2286
2287 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2288
2289         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2290         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2291         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2292         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2293         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2294         __SIZEOF_PTRDIFF_T__.
2295         * doc/cpp.texi: Documentation for the new builtin macros added.
2296
2297 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
2298
2299         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2300         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2301         instead of operands[2] to avoid access past the end of array.
2302
2303 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
2304
2305         * reload1.c (emit_reload_insns): Pass the reload register
2306         for a non-spill output reload through forget_old_reloads_1.
2307
2308 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
2309
2310         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2311         _SOFT_DOUBLE if doubles use software floating-point.
2312         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2313         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2314         * config/rs6000/darwin-ldouble.c: Also compile functions for
2315         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
2316         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2317         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2318         commented-out long double override.
2319         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2320         * config/rs6000/eabispe.h: Likewise.
2321         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2322         long double for non-SPE.
2323         (rs6000_handle_option): Likewise.
2324         (invalid_e500_subreg): Disallow more subregs involding DImode,
2325         DFmode, TImode or TFmode.
2326         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2327         E500 double.
2328         (legitimate_lo_sum_address_p): Also check for TFmode for E500
2329         double.
2330         (rs6000_legitimize_address): Also handle TFmode for E500 double.
2331         (rs6000_legitimize_reload_address): Also handle TFmode for E500
2332         double.
2333         (rs6000_legitimate_address): Also check for TFmode for E500
2334         double.
2335         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2336         (spe_build_register_parallel): Handle TFmode and TCmode.
2337         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2338         double.
2339         (function_arg): Handle TFmode and TCmode for E500 double.
2340         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2341         in general.
2342         (print_operand): Handle TFmode and TImode for %y.
2343         (rs6000_generate_compare): Handle TFmode comparisons for E500
2344         double.
2345         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2346         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2347         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2348         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2349         TFmode for E500 double.
2350         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2351         (floatsidf2): Enable for E500 double.
2352         (movtf_softfloat): Use rs6000_nonimmediate_operand.
2353         (extenddftf2): Change to extenddftf2_fprs.
2354         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2355         depending on TARGET_E500_DOUBLE.
2356         (extendsftf2): Enable for E500 double.
2357         (trunctfdf2): Enable for E500 double.
2358         (trunctfsf2): Change to trunctfsf2_fprs.
2359         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2360         depending on TARGET_E500_DOUBLE.
2361         (floatsitf2): Enable for E500 double.
2362         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2363         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2364         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2365         (negtf2): Change to negtf2_internal.
2366         (negtf2): New expander.
2367         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
2368         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2369         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2370         (movdi_internal32): Use rs6000_nonimmediate_operand.
2371         (unnamed splitter): Likewise.
2372         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2373         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2374         (SPE64TF, DITI): New mode macros.
2375         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2376         modes.
2377         (frob_tf_ti): New.
2378         (frob_<mode>_di_2): New.
2379         (frob_tf_di_8_2): New.
2380         (frob_di_df): Change to frob_di_<mode>; allow more modes.
2381         (frob_ti_tf): New.
2382         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2383         more modes.
2384         (frob_ti_<mode>_8_2): New.
2385         (frob_ti_tf_2): New.
2386         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2387         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2388         TFmode.
2389         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2390         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2391         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2392         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2393         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2394         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2395         tsttflt_gp): New.
2396
2397 2007-01-23  Ian Lance Taylor  <iant@google.com>
2398
2399         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2400         insn-*.o first.
2401         (OBJS-archive): Reformat, alphabetize.
2402         (OBJS): Change out_object_file to OBJS-md.
2403
2404 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
2405
2406         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2407         JUMP_P and CALL_P predicates where applicable.
2408         * config/i386/i386.c: Ditto.
2409         * config/i386/i386.md: Ditto.
2410         * config/i386/mmx.md: Ditto.
2411         * config/i386/predicates.md: Ditto.
2412
2413 2007-01-22  Andreas Schwab  <schwab@suse.de>
2414
2415         * config/m68k/m68k.h: Fix comment.
2416
2417 2007-01-22  Jan Hubicka  <jh@suse.cz>
2418
2419         * passes.c (init_optimization_passes): Do not rerun
2420         pass_early_warn_uninitialized.
2421
2422 2007-01-22  Richard Guenther  <rguenther@suse.de>
2423
2424         PR tree-optimization/30038
2425         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2426         function.
2427         (execute_cse_sincos_1): Likewise.
2428         (execute_cse_sincos): Likewise.
2429         (gate_cse_sincos): Likewise.
2430         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2431         the cexpi() canonicalization of sincos().
2432         * tree-pass.h (pass_cse_sincos): Declare.
2433         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2434
2435 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2436
2437         PR rtl-optimization/29329
2438         * combine.c (replaced_rhs_insn): Rename to i2mod.
2439         (replaced_rhs_value): Rename to i2mod_new_rhs.
2440         (i2mod_old_rhs): New global variable.
2441         (combine_instructions): Adjust for above change.  Save a copy of
2442         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2443         note are substituted in the second instruction.
2444         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2445         ditch the note if it pertains to the second eliminated register
2446         and this register is mentioned in i2mod_old_rhs.
2447
2448         Revert:
2449         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2450
2451         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2452         the insn to which the note was originally attached.
2453
2454 2007-01-21  Jan Hubicka  <jh@suse.cz>
2455
2456         * ipa-inline.c (inlining_mode): Comment, move up.
2457         (cgraph_decide_inlining_incrementally): Do not perform inlining
2458         itself; fix handling of flattening of self recursive functions.
2459         (cgraph_find_cycles): Remove.
2460         (cgraph_flatten_node): Remove.
2461         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2462         (try_inline): New function.
2463         (cgraph_early_inlining): Update call of
2464         cgraph_decide_inlining_incrementally.  Apply inlining here.
2465         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2466
2467 2007-01-21  Dirk Mueller  <dmueller@suse.de>
2468
2469         PR bootstrap/30511
2470         * tree-vrp.c (check_array_bounds): do not warn
2471         about ADDR_EXPR's of ARRAY_REF's which are immediately
2472         used in binary expressions.
2473
2474 2007-01-21  Ira Rosen  <irar@il.ibm.com>
2475
2476         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2477         read_write_dep and macros for its access.
2478         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2479         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2480         argument, call vect_check_interleaving for every independent pair of
2481         data-refs. Mark loads that access the same memory location as a store
2482         in the loop.
2483         (vect_check_dependences): Remove.
2484         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
2485         call, fix the call to vect_analyze_data_ref_dependence.
2486         (vect_analyze_data_ref_access): For statements that access the same
2487         data-ref, check that they are not stores; for loads, check that there
2488         is no store that access the same location.
2489
2490 2007-01-20  Roger Sayle  <roger@eyesopen.com>
2491             Joseph Myers  <joseph@codesourcery.com>
2492
2493         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2494         (-fdump-rtl-stack): Likewise.
2495         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
2496         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2497         (-mpt-fixed): Use @minus{} for minus sign.
2498         (Using Precompiled Headers): Fix under/overfull hbox.
2499
2500 2007-01-20  Jan Hubicka  <jh@suse.cz>
2501
2502         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2503         place within annotation.
2504
2505 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2506
2507         * pa.c (output_move_double): Change array size of xoperands to 4.
2508
2509 2007-01-20  Jan Hubicka  <jh@suse.cz>
2510
2511         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2512         as temporary.
2513
2514 2007-01-19  Ian Lance Taylor  <iant@google.com>
2515
2516         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2517         constant to unsigned HOST_WIDE_INT before negating.
2518
2519 2007-01-19  Ian Lance Taylor  <iant@google.com>
2520
2521         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2522         to unsigned.
2523         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2524         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2525         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2526         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2527         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2528         (realloc_vdef, realloc_vuse): Change second parameter to
2529         unsigned.
2530         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2531         fields to unsigned.
2532         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2533         unsigned. Change x and lim locals to unsigned.
2534         (realloc_vdef, realloc_vuse): Change num_elem parameter to
2535         unsigned.
2536         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2537         (copy_virtual_operands): Change i and n locals to unsigned.
2538
2539 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2540
2541         PR middle-end/29335
2542         * builtins.c (fold_builtin_1): Handle builtin fdim.
2543
2544 2007-01-20  Jan Hubicka  <jh@suse.cz>
2545
2546         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2547         * tree-ssa-structalias.c (compute_points_to_sets): Do call
2548         init_alias_heapvars.
2549         (init_alias_heapvars): Initialize only when not already initialized.
2550         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2551
2552 2007-01-19  Roger Sayle  <roger@eyesopen.com>
2553
2554         * common.opt (fsigned-zeros): New command line option.
2555         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2556         of flag_unsafe_math_optimizations.
2557         * opts.c (set_fast_math_flags): The -ffast-math command line option
2558         implies -fno-signed-zeros.
2559         (fast_math_flags_set_p): Likewise.
2560
2561         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2562         the documentation of -ffast-math appropriately.  Wrap long lines.
2563
2564 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
2565
2566         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2567         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2568
2569 2007-01-19  Tomas Bily  <tbily@suse.cz>
2570
2571         * cgraphunit.c (cgraph_finalize_function): Updating of pid
2572         * tree-profile.c:
2573         (tree_init_ic_make_global_vars): New function
2574         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2575         (tree_gen_ic_profiler): New function
2576         (tree_gen_ic_func_profiler): New function
2577         (tree_profiling): Added calling of tree_gen_ic_func_profiler
2578         (tree_profile_hooks): Added hook for indirec/virtual calls
2579         * value-prof.c (tree_find_values_to_profile): New case for
2580         indirect calls
2581         (tree_values_to_profile): Call for determining indirect/virtual
2582         counters
2583         (tree_indirect_call_to_profile): New function
2584         (tree_ic_transform): New function
2585         (tree_ic): New function
2586         (find_func_by_pid): New function
2587         (init_pid_map): New function
2588         (tree_value_profile_transformations): Added check for
2589         indirect/virtual call transformation
2590         * value-prof.h (enum hist_type): New counter type for
2591         indirect/virtual calls
2592         (profile_hooks): Added new hook for profiling indirect/virtual
2593         calls
2594         * profile.c (instrument_values): New case for indirect/virtual
2595         call added
2596         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2597         (GCOV_COUNTER_V_INDIR): New counter type
2598         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2599         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2600         call added
2601         * cgraph.c: Definition of cgraph_max_pid
2602         (cgraph_create_node): Default init of pid attribute
2603         * cgraph.h: Declaration of cgraph_max_pid
2604         (struct cgraph_node): Added pid attribute
2605         * libgcov.c (__gcov_indirect_call_profiler): New function
2606         (__gcov_one_value_profiler_body): New function
2607         (__gcov_one_value_profiler): Body was moved to
2608         __gcov_one_value_profiler_body and calls it
2609
2610 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
2611
2612         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2613         * gengtype.c (write_types_data, write_func_for_structure,
2614         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2615         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2616         (walk_type, write_func_for_structure): Generate the mark_hook if
2617         needed.
2618
2619 2007-01-19  Jan Hubicka  <jh@suse.cz>
2620
2621         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2622         'early' argument take inlining mode argument specifying whether to
2623         inline for size/speeed or all functions; add support for flattening;
2624         improve dumpting.
2625         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2626
2627 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2628
2629         PR c++/17947
2630         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2631         the name of the declared identifier.
2632
2633 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2634
2635         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2636         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2637         duplicate evaluation.
2638
2639 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2640
2641         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2642         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2643         to XFMode, use acosxf2 and truncate result to requested mode.
2644         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2645         (asin<mode>2): Similarly, with asin expanders.
2646         (*fscalexf4_i387): Rename from *fscalexf4.
2647         (expNcorexf3): New expander.
2648         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2649         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2650         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2651         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2652         patterns for SSE math.
2653         (exp10<mode>2): Similarly, with exp10 expanders.
2654         (exp2<mode>2): Similarly, with exp2 expanders.
2655         (expm1<mode>2): Similarly, with expm1 expanders.
2656         (ldexp<mode>3): Similarly, with ldexp expanders.
2657         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2658         Use gen_truncxf<mode>2_i387_noop to truncate result.
2659
2660 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2661
2662         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2663         for ColdFire targets.
2664
2665 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2666             Richard Sandiford  <richard@codesourcery.com>
2667
2668         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2669         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2670         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2671         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2672         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2673         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2674
2675 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2676
2677         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2678         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2679         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2680         (*adddi_dilshr32_cf): New pattern.
2681         (adddi3, subdi3): Remove first alternatives.
2682
2683 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2684
2685         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2686         implemented using move.l, do not use its cc result for floating-point
2687         comparisons.
2688
2689 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2690
2691         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2692         from accepting 's' constraints if flag_pic.
2693
2694 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2695
2696         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2697         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2698         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2699         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2700
2701 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2702
2703         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2704         ColdFire alternatives.
2705         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2706         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2707         architectures that support ff1 instruction.
2708
2709 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2710             Julian Brown  <julian@codesourcery.com>
2711
2712         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2713         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2714         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2715         Add commentary.
2716
2717 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2718
2719         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2720         and return a bool.
2721         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2722         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2723         HOST_WIDE_INT instead of an rtx.
2724         (m68k_rtx_costs): Update call accordingly.
2725         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2726         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2727         Return a bool.
2728         (output_move_simode_const): Update calls after above changes.
2729         Rework to use automatic variables and predicates like MEM_P.
2730         * config/m68k/m68k.md (pushexthisi_const): Update call to
2731         valid_mov3q_const.
2732
2733 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2734
2735         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2736         in dump_flags test.
2737
2738 2007-01-19  Richard Guenther  <rguenther@suse.de>
2739
2740         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2741         via cexp in case sincos is not available.
2742
2743 2007-01-19  Richard Guenther  <rguenther@suse.de>
2744
2745         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2746         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2747         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2748         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2749         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2750         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2751         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2752         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2753
2754 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2755
2756         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2757         New insn patterns.
2758         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2759         (atan2xf3): Directly generate RTL pattern.
2760         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2761         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2762         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2763         disable patterns for SSE math.
2764         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2765         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2766         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2767         disable patterns for SSE math.
2768
2769 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2770
2771         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2772
2773 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2774
2775         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2776         VIEW_CONVERT_EXPR to the same type as it's operand.
2777
2778 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2779
2780         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2781         configured for long double 128.
2782
2783 2007-01-18  Mike Stump  <mrs@apple.com>
2784
2785         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2786         error.
2787
2788 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2789
2790         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2791         type correct.
2792
2793 2007-01-18  Jan Hubicka  <jh@suse.cz>
2794
2795         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2796         greater than NUM_VOP_FREE_BUCKETS.
2797
2798 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2799
2800         * tree-ssa-structalias.c: Update comments.
2801         (ptabitmap_obstack): Removed.
2802         (pta_obstack): New.
2803         (oldpta_obstack): Ditto.
2804         (stats): Add a few members.
2805         (struct variable_info): Remove node, complex, address_taken, and
2806         indirect_target members. Add oldsolution member.
2807         (new_var_info): Do not initialize removed members.
2808         (constraint_expr_type): Remove INCLUDES.
2809         (constraint_graph): Add size, implicit_preds, rep,
2810         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2811         (FIRST_REF_NODE): New macro.
2812         (LAST_REF_NODE): Ditto.
2813         (FIRST_ADDR_NODE): Ditto.
2814         (find): New function.
2815         (unite): Ditto.
2816         (dump_constraint): Do not handle INCLUDES.
2817         (insert_into_complex): Do not insert duplicate constraints.
2818         (condense_varmap_nodes): Renamed and rewritten into ...
2819         (merge_node_constraints): This. Also fix bug in handling of
2820         offseted copy constraints.
2821         (clear_edges_for_node): No longer need to deal with preds at all,
2822         or removing associated preds/succs.
2823         (merge_graph_nodes): Deal with indirect_cycles.
2824         Don't deal with predecessors.
2825         (add_implicit_graph_edge): New function.
2826         (add_pred_graph_edge): Ditto.
2827         (add_graph_edge): Don't deal with predecessors.
2828         (build_constraint_graph): Removed.
2829         (build_pred_graph): New function.
2830         (build_succ_graph): Ditto.
2831         (struct scc_info): Removed in_component. Added roots, dfs, and
2832         node_mapping. Remove visited_index, unification_queue.
2833         (scc_visit): Deal with union-find we do now.
2834         Deal with cycles with REF nodes.
2835         (collapse_nodes): Renamed and rewritten to ...
2836         (unify_nodes): This.
2837         (process_unification_queue): Removed.
2838         (topo_visit): Cleanup
2839         (do_da_constraint): Use find.
2840         (do_sd_constraint): Ditto.
2841         (do_ds_constraint): Ditto.
2842         (do_complex_constraint): Ditto.
2843         (init_scc_info): Update for removed and added members.
2844         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2845         (find_indirect_cycles): This.
2846         (equivalence_class): New variable.
2847         (label_visit): New function.
2848         (perform_variable_substitution): Rewritten.
2849         (free_var_substitution_info): New function.
2850         (find_equivalent_node): Ditto.
2851         (move_complex_constraints): Ditto.
2852         (eliminate_indirect_cycles): Ditto.
2853         (solve_graph): Only propagate changed bits.
2854         Use indirect cycle elimination.
2855         Use find.
2856         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2857         (tree_id_eq): Renamed to ...
2858         (tree_vi_eq): This. Update for member change
2859         (insert_id_for_tree): Renamed and rewritten to ...
2860         (insert_vi_for_tree): This.
2861         (lookup_id_for_tree): Renamed and rewritten to ...
2862         (lookup_vi_for_tree): This.
2863         (get_id_for_tree): Renamed and rewritten to ...
2864         (get_vi_for_tree): Ditto.
2865         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2866         (process_constraint): Don't handle INCLUDES.
2867         Remove special ADDRESSOF case.
2868         (find_func_aliases): Rewrite to use vi functions instead of id
2869         ones.
2870         (create_function_info_for): Ditto.
2871         (create_variable_info_for): Ditto.
2872         (intra_create_variable_infos): Ditto.
2873         (merge_smts_into): Ditto.
2874         (find_what_p_points_to): Ditto.
2875         (init_base_vars): Ditto.
2876         (init_alias_vars): Ditto.
2877         (remove_preds_and_fake_succs): New function.
2878         (dump_sa_points_to_info): Dump new stats.
2879         (dump_solution_for_var): Use find.
2880         (set_used_smts): Fix formatting.
2881         (compute_points_to_sets): Updated for new functions.
2882         (ipa_pta_execute): Ditto.
2883
2884 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2885             Richard Sandiford  <richard@codesourcery.com>
2886
2887         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2888         parallels.
2889         * calls.c (expand_call): If the return value is a PARALLEL,
2890         extract its first member.
2891         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2892         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2893         use FUNCTION_EXTRA_EPILOGUE.
2894         (m68k_function_value): Return a PARALLEL if the return value
2895         is of a pointer type.
2896         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2897         (FUNCTION_EXTRA_EPILOGUE): Remove.
2898         * config/m68k/m68k.md (D0_REG): New constant.
2899
2900 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2901
2902         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2903         output a NOP for empty epilogues.
2904
2905 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2906
2907         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2908         before function.  Extend register save check to include all
2909         registers, not just integer ones.
2910
2911 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2912
2913         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2914         (m68k_use_return_insn): ...this.
2915         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2916         * config/m68k/m68k.c (use_return_insn): Rename to...
2917         (m68k_use_return_insn): ...this.
2918         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2919         of USE_RETURN_INSN.
2920
2921 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2922
2923         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2924         nearest even, fix denormal rounding overflow.
2925
2926 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2927
2928         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2929         f%$smove and f%$move.
2930         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2931         (extendsfdf2_cf): Use fdmove instead of f%&move.
2932         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2933         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2934
2935 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2936
2937         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2938         GPR<-GPR moves.
2939
2940 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2941
2942         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2943         (coldfire_single_format): Declare.
2944         (coldfire_double_format): Likewise.
2945         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2946         of qnan_msb_set to determine the lower bits of a canonical
2947         NaN significand.
2948         (encode_ieee_double): Likewise.
2949         (encode_ieee_quad): Likewise.
2950         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2951         (mips_single_format): Likewise.
2952         (ieee_double_format): Likewise.
2953         (mips_double_format): Likewise.
2954         (ieee_extended_motorola_format): Likewise.
2955         (ieee_extended_intel_96_format): Likewise.
2956         (ieee_extended_intel_128_format): Likewise.
2957         (ieee_extended_intel_96_round_53_format): Likewise.
2958         (ibm_extended_format): Likewise.
2959         (mips_extended_format): Likewise.
2960         (ieee_quad_format): Likewise.
2961         (mips_quad_format): Likewise.
2962         (vax_f_format): Likewise.
2963         (vax_d_format): Likewise.
2964         (vax_g_format): Likewise.
2965         (i370_single_format): Likewise.
2966         (i370_double_format): Likewise.
2967         (decimal_single_format): Likewise.
2968         (decimal_double_format): Likewise.
2969         (decimal_quad_format): Likewise.
2970         (c4x_single_format): Likewise.
2971         (c4x_extended_format): Likewise.
2972         (real_internal_format): Likewise.
2973         (coldfire_single_format): New real_format.
2974         (coldfire_double_format): Likewise.
2975         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2976         canonical_nan_lsbs_set.
2977         (pdp11_d_format): Likewise.
2978         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2979         if TARGET_COLDFIRE_CPU.
2980
2981 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2982
2983         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2984         (output_call, m68k_legitimize_call_address): Declare.
2985         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2986         parenthesees.  Add support for a 'W' constraint.
2987         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2988         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2989         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2990         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2991         variables.
2992         (override_options): Initialize them.  Do not set flag_no_function_cse
2993         for TARGET_ID_SHARED_LIBRARY.
2994         (m68k_output_pic_call): Delete.
2995         (m68k_legitimize_call_address): New function.
2996         (print_operand): Remove the %o prefix.  Handle the %p prefix.
2997         (output_call): New function.
2998         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
2999         target address from the GOT if symbolic jumps are not allowed.
3000         * config/m68k/m68k.md (call, general_operand): Do not set
3001         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
3002         Merge separate flag_pic and !flag_pic define_insns into...
3003         (*call, *call_value): ...these new patterns.  Match the address
3004         rather than the containing MEM and require it to be a call_operand.
3005         Use output_call to generate the asm template.
3006         * config/m68k/predicates.md (const_call_operand): New predicate.
3007         (call_operand): Likewise.
3008
3009 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3010
3011         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
3012         (STACK_GROWS_DOWNWARD): Define to 1.
3013         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
3014         comments, emphasizing that these values are only defaults.
3015         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
3016         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
3017
3018 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3019
3020         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
3021
3022 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3023             Richard Sandiford  <richard@codesourcery.com>
3024
3025         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
3026         (FP_REGNO_P): New macros.
3027         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
3028         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
3029         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
3030         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
3031
3032 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3033
3034         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3035         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
3036         to $tmake_file.
3037         * config/m68k/t-floatlib: New file, extracting common code from...
3038         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3039         * config/m68k/t-uclinux: Here.
3040         * config/m68k/fpgnulib.c: Do not compile extendeed precision
3041         routines on ColdFire targets.
3042
3043 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3044
3045         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3046         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
3047         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
3048         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
3049         explicitly set MOTOROLA to 1.
3050         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
3051
3052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3053             Nathan Sidwell  <nathan@codesourcery.com>
3054
3055         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
3056         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
3057         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
3058         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
3059         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
3060         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
3061         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
3062         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
3063         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
3064         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3065         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
3066         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
3067         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
3068         (DBX_REGISTER_NUMBER): Delete.
3069         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
3070         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3071         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
3072
3073 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3074
3075         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
3076         * config/flat.h: New file.
3077         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
3078         OBJECT_FORMAT_FLAT.
3079         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
3080         indirect references for -msep-data or -mid-shared-library.
3081         Do not use PC-relative code addresses either.
3082         * config/m68k/m68k.c (override_options): Restrict -fPIC error
3083         to -mpcrel.
3084         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
3085         for shared libraries and crt1.o for executables.  Use crti.o and
3086         crtbegin.o.
3087         (ENDFILE_SPEC): Use crtend.o and crtn.o.
3088         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
3089         Do not add -elf2flt or -shared-lib-id options here.
3090         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
3091         Pass -shared-lib-id if -mid-shared-library, taking the library
3092         identifier from -mshared-library-id if given, otherwise
3093         defaulting to 0.
3094         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
3095         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
3096         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
3097         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
3098         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
3099         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
3100         and crtend.o.
3101         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
3102         jump sequence for ISA A and ISA A+.
3103         (PICJUMP): Likewise.
3104
3105 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3106
3107         * config.gcc (m68k-*-uclinux*): Base the port on the common
3108         and m68k GNU/Linux files rather than on the generic ELF ones.
3109         * config/m68k/uclinux.h (TARGET_VERSION): Override.
3110         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3111
3112 2007-01-18  Julian Brown  <julian@codesourcery.com>
3113             Richard Sandiford  <richard@codesourcery.com>
3114
3115         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
3116         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3117         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
3118         before redefining.
3119         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
3120         80 unconditionally.
3121         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3122
3123 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3124
3125         * doc/install.texi: Document m68k-uclinuxoldabi.
3126         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
3127         * config/m68k/uclinux-oldabi.h: New file, copied from
3128         config/m68k/uclinux.h.
3129
3130 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
3131
3132         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
3133         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
3134         (m32r_compute_frame_size): Use unsigned for regno.
3135         (m32r_reload_lr): Use gen_frame_mem.
3136         (pop): New.
3137         (m32r_output_function_epilogue): Don't output the function epilogue
3138         textually here.
3139         (m32r_expand_epilogue): New.
3140         (direct_return): Return false if the function has the interrupt
3141         attribute.
3142         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
3143         * config/m32r/m32r.md (epilogue): New expander.
3144         (return_lr, return_rte): New insns.
3145         (return): Make it expander.
3146         (return_normal): New expander.
3147
3148 2007-01-18  Josh Conner  <jconner@apple.com>
3149
3150         PR target/30485
3151         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
3152         support for UNLE, UNLT, UNGE, and UNGT.
3153
3154 2007-01-18  Jan Hubicka  <jh@suse.cz>
3155
3156         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
3157         * tree-tailcall (add_virtual_phis): Likewise.
3158         (optimize_tail_call): Return TODOs.
3159         (execute_tail_calls): Return TODOs.
3160         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
3161         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
3162         changed.
3163         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3164         Cleanup cfg using TODO.
3165         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
3166         * passes.c (execute_function_todo): When cleanup did something, remove
3167         unused locals.
3168         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
3169         (make_edges): Don't cleanup_cfg.
3170
3171 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
3172
3173         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
3174         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
3175         operate on the top of stack.
3176         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
3177         register handling of instructions that output to the second
3178         stack slot.
3179         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
3180         (move_for_stack_reg): Special-case check for dead destination
3181         stack slot for constant load of 1.0 inside UNSPEC_TAN.
3182
3183         * config/i386/i386.md (UNSPEC_TAN): New constant.
3184         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
3185         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
3186         to correctly model move of constant 1.0 to top stack slot.
3187         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
3188         (unnamed peephole2 pattern): Remove corresponding peephole2
3189         pattern that optimizes tan insn and loading of constant 1.0.
3190         (tanxf2): Use fptanxf4_i387.
3191         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
3192         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
3193         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3194         disable patterns for SSE math.
3195         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
3196         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
3197
3198 2007-01-18  Dirk Mueller  <dmueller@suse.de>
3199             Richard Guenther <rguenther@suse.de>
3200
3201         PR diagnostic/8268
3202         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
3203         * common.opt (Warray-bounds): Add new warning option.
3204         * c-opts.c (c_common_handle_option): Define -Warray-bounds
3205         if -Wall is given.
3206         * Makefile.in: make tree-vrp.o depend on toplev.h
3207         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
3208         is enabled.
3209         (check_array_refs, check_array_bounds, check_array_ref): New.
3210
3211 2007-01-18  Jan Hubicka  <jh@suse.cz>
3212
3213         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
3214         (execute_ssa_ccp): Return flags conditionally.
3215         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
3216         changed.
3217         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
3218
3219 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
3220
3221         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
3222         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
3223
3224         * Makefile.c (GTFILES): Add cfglayout.h.
3225         * gengtype.c (open_base_files): Likewise.
3226         * cfglayout.c (cfg_layout_function_footer,
3227         cfg_layout_function_header) Reindent to make gengtype happy.
3228         * cfglayout.h (cfg_layout_function_footer,
3229         cfg_layout_function_header): Add GTY(()) marker.
3230
3231         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
3232
3233 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3234
3235         * genautomata.c (write_automata): Include xstrerror output in the
3236         error message if writing the DFA description file fails.
3237
3238 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3239
3240         * config/mips/mips-protos.h (mips_output_external): Make it
3241         return void.
3242         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
3243         * config/mips/mips.c (irix_output_external_libcall): Likewise.
3244         (extern_list): Likewise.
3245         (extern_head): Likewise.
3246         (TARGET_ASM_FILE_END): Likewise.
3247         (mips_file_end): Likewise.
3248         (mips_output_external): Rewritten.
3249
3250 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3251
3252         * genpreds.c (write_insn_preds_c): Only write out the function
3253         body for regclass_for_constraint if we have register constraints.
3254
3255 2007-01-17  Tom Tromey  <tromey@redhat.com>
3256
3257         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3258         * doc/install.texi (Testing): Use sourceware.org.
3259         (Binaries): Likewise.
3260         (Specific): Likewise.
3261         * doc/contrib.texi (Contributors): Use sourceware.org.
3262
3263 2007-01-17  Anatoly Sokolov <aesok@post.ru>
3264
3265         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3266         (AVR_ENHANCED): Rename to ...
3267         (AVR_HAVE_MUL): ... new.
3268         (avr_enhanced_p): Rename to ...
3269         (avr_have_mul_p): ... new.
3270         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3271         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3272         * config/avr/avr.c (avr_enhanced_p): Rename to ...
3273         (avr_have_mul_p): ... new.
3274         (base_arch_s): Rename 'enhanced' to 'have_mul'.
3275         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3276         'avr_enhanced_p' and 'enhanced'.
3277         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3278         AVR_HAVE_MUL instead of AVR_ENHANCED.
3279         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3280         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3281         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3282         instead of AVR_ENHANCED.
3283         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3284         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3285         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3286
3287 2007-01-17  Ian Lance Taylor  <iant@google.com>
3288
3289         * vec.h (VEC_reserve_exact): Define.
3290         (vec_gc_p_reserve_exact): Declare.
3291         (vec_gc_o_reserve_exact): Declare.
3292         (vec_heap_p_reserve_exact): Declare.
3293         (vec_heap_o_reserve_exact): Declare.
3294         (VEC_OP (T,A,reserve_exact)): New static inline function, three
3295         versions.
3296         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3297         negative parameter.
3298         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3299         (VEC_OP (T,A,copy)) [all versions]: Likewise.
3300         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3301         * vec.c (calculate_allocation): Add exact parameter.  Change all
3302         callers.
3303         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3304         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3305         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3306         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3307         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3308         (vec_heap_p_reserve_exact): New function.
3309         (vec_heap_o_reserve_exact): New function.
3310
3311 2007-01-17  Jan Hubicka  <jh@suse.cz>
3312
3313         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
3314
3315 2007-01-17  Eric Christopher  <echristo@apple.com>
3316
3317         * config.gcc: Support core2 processor.
3318
3319 2007-01-16  Jan Hubicka  <jh@suse.cz>
3320
3321         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
3322         the names, just unlink the chain so we don't crash on dangling pointers
3323         to dead SSA names.
3324
3325 2007-01-16  Jan Hubicka  <jh@suse.cz>
3326
3327         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
3328         * tree-pass.h: Reorder to make IPA passes appear toegher.
3329         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
3330         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3331         parameters, do not call early inliner.
3332         * ipa-inline.c: Update comments.  Include tree-flow.h
3333         (cgraph_decide_inlining): Do not compute inlining parameters.
3334         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3335         be called with function context set up.
3336         (pass_ipa_inline): Remove unreachable functions before pass.
3337         (cgraph_early_inlining): Simplify assuming to be called from the
3338         PM as local pass.
3339         (pass_early_inline): New pass.
3340         (cgraph_gate_ipa_early_inlining): New gate.
3341         (pass_ipa_early_inline): Turn into simple wrapper.
3342         (compute_inline_parameters): New function.
3343         (gate_inline_passes): New gate.
3344         (pass_inline_parameters): New pass.
3345         (apply_inline): Move here from tree-optimize.c
3346         (pass_apply_inline): New pass.
3347         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3348         transforming.
3349         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3350         doing them by hand.
3351         (tree_function_versioning): Do not allocate dummy struct function.
3352         * tree-inline.h (optimize_inline_calls): Update prototype.
3353         * tree-optimize.c (execute_fixup_cfg): Export.
3354         (pass_fixup_cfg): Remove
3355         (tree_rest_of_compilation): Do not apply inlines.
3356         * tree-flow.h (execute_fixup_cfg): Declare.
3357         * Makefile.in (gt-passes.c): New.
3358         * passes.c: Include gt-passes.h
3359         (init_optimization_passes): New passes.
3360         (nnodes, order): New static vars.
3361         (do_per_function_toporder): New function.
3362         (execute_one_pass): Dump current pass here.
3363         (execute_ipa_pass_list): Don't dump current pass here.
3364
3365 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
3366
3367         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3368         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3369
3370 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
3371
3372         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3373         (strong_alias): Define.
3374         (__gcc_qmul): Provide non-FMA for soft-float.
3375         (__gcc_qdiv): Same.
3376         (__gcc_qneg): New.
3377         (__gcc_qeq): New.
3378         (__gcc_qle): New.
3379         (__gcc_qge): New.
3380         (__gcc_qunord): New.
3381         (__gcc_stoq): New.
3382         (__gcc_dtoq): New.
3383         (__gcc_qtos): New.
3384         (__gcc_qtod): New.
3385         (__gcc_qtoi): New.
3386         (__gcc_qtou): New.
3387         (__gcc_itoq): New.
3388         (__gcc_utoq): New.
3389         (fmsub): New.
3390         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3391         soft-float functions.
3392         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3393         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3394         about long double soft float.
3395
3396 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
3397             Tehila Meyzels  <tehila@il.ibm.com>
3398
3399         * tree-vectorizer.h (is_pattern_stmt_p): New.
3400         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3401         formatting (tabs instead of spaces). Cleanup and clarify setting
3402         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3403         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3404         (vectorizable_type_demotion): Check that types are integral.
3405         (vectorizable_type_promotion): Likewise.
3406         (vectorizable_store): Fix typo.  Eliminate new-line at end of
3407         comments.
3408
3409 2007-01-16  Jan Hubicka  <jh@suse.cz>
3410
3411         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3412         cgraph edges too.
3413
3414 2007-01-15  Eric Christopher  <echristo@apple.com>
3415
3416         * ifcvt.c: Include vec.h, vecprim.h.
3417         (check_cond_move_block): New argument regs.
3418         Reorganize. Add registers used to regs.
3419         (cond_move_process_if_block): Use regs set above as
3420         loop bounds.
3421
3422 2007-01-15  Eric Christopher  <echristo@apple.com>
3423
3424         * config/darwin.h: Update copyright.
3425         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3426         (LINK_COMMAND_SPEC): Add -u.
3427         (LINK_SPEC): Fix umbrella for above.
3428
3429 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
3430
3431         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3432         glibc CVS.
3433
3434 2007-01-15  Tom Tromey  <tromey@redhat.com>
3435
3436         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3437         * doc/install.texi (Testing): Don't mention jacks.
3438         (Configuration): Document --enable-java-maintainer-mode.  Move
3439         --with-java-home to libgcj-specific section.  Document
3440         --with-ecj-jar.
3441         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3442
3443 2007-01-15  Jan Hubicka  <jh@suse.cz>
3444
3445         * tree-ssa-dce.c (DCE_TODOs): New.
3446         (propagate_necessity): Return if something changed.
3447         (eliminate_unnecessary_stmts): Likewise.
3448         (perform_tree_ssa_dce): Return TODO flags when needed.
3449         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3450
3451 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
3452
3453         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3454         (fyl2x_extend<mode>xf3_i387): New insn pattern.
3455         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3456         patterns using X87MODEF12 mode macro.  Extend operand 1
3457         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3458         (log10<mode>2): Ditto.
3459         (log2<mode>2): Ditto.
3460         (log1p<mode>2): Ditto.
3461         (logb<mode>2): Ditto.
3462         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3463         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3464         (*fxtractxf3_i387): Rename from *fxtractxf3.
3465         (fxtract_extend<mode>xf3_i387): New insn pattern.
3466         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3467         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3468         and gen_fyl2xxf3_i387().
3469
3470 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3471
3472         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3473         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
3474         get_loop_exit_edges.  Changed return type to bool.
3475         * cfgloop.h (fix_loop_placement): Declaration removed.
3476
3477 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
3478
3479         * param.h (MIN_VECT_LOOP_BOUND): New.
3480         * params.def (MIN_VECT_LOOP_BOUND): New.
3481         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3482         argument - minimum threshold for number of iterations.
3483         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3484         argument to declaration.
3485         * tree-vect-analyze.c (vect_analyze_operations): Check value of
3486         MIN_VECT_LOOP_BOUND.
3487         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3488         slpeel_tree_peel_loop_to_edge with additional argument.
3489         (vect_do_peeling_for_alignment): Likewise.
3490         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3491
3492 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         PR target/30413
3495         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3496         operands of size 1.
3497
3498 2007-01-14  Jan Hubicka  <jh@suse.cz>
3499
3500         * tree-dfa.c (remove_referenced_var): New function.
3501         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3502         prune referenced vars list too.
3503         * tree-flow.h (remove_referenced_var): Declare.
3504
3505 2007-01-14  Jan Hubicka  <jh@suse.cz>
3506
3507         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3508         separately.
3509         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3510         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3511         * except.h (verify_eh_throw_table_statements): Kill prototype.
3512         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3513         into call exrepssions.
3514         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3515         eh trhow verifier.
3516         * tree-cfg.c: Include pointer-set.h.
3517         (verify_node_sharing): Work on pointer set.
3518         (verify_eh_throw_stmt_node): New.
3519         (verify_stmts): Use pointers sets, verify throw_stmt.
3520
3521 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
3522
3523         * ipa-reference.c (analyze_function): Consider also addresses taken
3524         in phi nodes.
3525
3526 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3527
3528         * c-typeck.c (null_pointer_constant_p): Replace use of
3529         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3530         (build_c_cast): Likewise.
3531
3532 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3533
3534         * tree.h (force_fit_type_double): Remove unused final argument.
3535         * c-common.c (constant_expression_warning): Replace use of
3536         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3537         (convert_and_check): Likewise.
3538         (shorten_compare): Update call to force_fit_type_double.
3539         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3540         * convert.c (convert_to_pointer): Update call to
3541         force_fit_type_double.
3542         * fold-const.c (force_fit_type_double): Remove overflowed_const
3543         argument.
3544         (int_const_binop, fold_convert_const_int_from_int,
3545         fold_convert_const_int_from_real, fold_div_compare,
3546         fold_sign_changed_comparison, fold_unary, fold_negate_const,
3547         fold_abs_const, fold_not_const): Remove the final argument from
3548         calls to force_fit_type_double.
3549
3550 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3551
3552         * configure.ac: Set insn to "nop" for spu-*-* also.
3553         * configure: Regenerate.
3554
3555 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
3556
3557         * builtins.def : Add BUILT_IN_FREE.
3558
3559 2007-01-12  Jan Hubicka  <jh@suse.cz>
3560
3561         PR tree-optimization/30443
3562         * tree-inline.c (tree_function_versioning): Do not optimize when
3563         cloning for inlining.
3564
3565 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
3566
3567         * doc/loop.texi: Document recording of loop exits.
3568         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3569         (update_single_exits_after_duplication,
3570         update_single_exit_for_duplicated_loop,
3571         update_single_exit_for_duplicated_loops): Removed.
3572         (duplicate_loop_to_header_edge): Do not call
3573         update_single_exits_after_duplication and
3574         update_single_exit_for_duplicated_loops.
3575         (loop_version): Do not update single_exit information.
3576         (fix_loop_structure): Use record_loop_exits instead of
3577         mark_single_exit_loops.
3578         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3579         the lists of loop exits.
3580         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3581         split_edge, merge_blocks): Update the lists of loop exits.
3582         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3583         loop_optimizer_init.
3584         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3585         of mark_single_exit_loops.
3586         (loop_optimizer_finalize): Call release_recorded_exits.
3587         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3588         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3589         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3590         update single exit information.
3591         * lambda-code.c (perfect_nestify): Ditto.
3592         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3593         (mark_single_exit_loops): Removed.
3594         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3595         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3596         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3597         functions.
3598         (get_loop_exit_edges, single_exit): Use recorded exit lists.
3599         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3600         (verify_loop_structure): Verify consistency of the exit lists.
3601         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
3602         (set_single_exit): Removed.
3603         * cfgloop.h (struct loop_exit): New function.
3604         (struct loop): single_exit_ field replaced by exits field.
3605         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3606         (struct loops): Added exits hash.
3607         (mark_single_exit_loops, set_single_exit): Declaration removed.
3608         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3609
3610 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3611
3612         * doc/invoke.texi: Avoid use of @headitem.
3613
3614 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3615
3616         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3617
3618 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3619
3620         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3621         list of targets.
3622
3623 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3624             Richard Sandiford  <richard@codesourcery.com>
3625
3626         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3627         * config/m68k/m68k.opt: Resort options.
3628         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3629
3630 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3631             Richard Sandiford  <richard@codesourcery.com>
3632
3633         * doc/invoke.texi: Document the macros that are defined by
3634         m68k's -mtune and -mhard-float options.
3635         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3636         (m68k_cpp_cpu_family): Likewise.
3637         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3638         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
3639         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
3640         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3641         (m68k_cpp_cpu_family): Likewise.
3642
3643 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3644
3645         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3646         macros besides mc68000 as tuning macros.  Use a switch statement
3647         to set them and mcpu32.
3648
3649 2007-01-12  Julian Brown  <julian@codesourcery.com>
3650
3651         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3652         (TARGET_68040_ONLY): Rename to...
3653         (TARGET_68040): ...this.
3654         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3655         * config/m68k/m68k.md: Likewise.
3656
3657 2007-01-12  Julian Brown  <julian@codesourcery.com>
3658             Nathan Sidwell  <nathan@codesourcery.com>
3659             Richard Sandiford  <richard@codesourcery.com>
3660
3661         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3662         the -mcpu= argument associated with the --with-cpu setting.
3663         Define M68K_DEFAULT_TUNE to the default -mtune= option,
3664         if different from the one implied by the -mcpu setting.
3665         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3666         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
3667         * doc/invoke.texi: Mention ColdFire in the introduction to the
3668         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
3669         -mno-div and -mhard-float options.  Make -m68881 a synonym for
3670         -mhard-float.  Document the previously-undocumented -m5206e,
3671         -m528x, -m5307 and -m5407 options.  Tweak the existing option
3672         documentation for consistency.
3673         * doc/install.texi: Mention new --with-cpu arguments.
3674         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3675         default CPU if neither -mcpu nor -march are specified.
3676         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3677         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3678         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
3679         using m68k_tune to decide between families that implement the
3680         same ISA.  Use m68k_tune to set __mcfv4e__.
3681         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3682         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3683         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3684         (FL_ISA_C, FL_ISA_MMU): New macros.
3685         (MASK_COLDFIRE): Delete.
3686         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3687         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3688         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3689         (TARGET_HARD_FLOAT): Do not define here.
3690         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3691         (TUNE_68000): New macro.
3692         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3693         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3694         (TUNE_CFV2): Redefine in terms of m68k_tune.
3695         (uarch_type, target_device, fpu_type): New enums.
3696         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3697         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3698         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3699         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3700         (FL_FOR_isa_c): New macros.
3701         (m68k_isa): New enum.
3702         (m68k_target_selection): New structure.
3703         (all_devices, all_isas, all_microarchs): New tables.
3704         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3705         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3706         (MASK_ALL_CPU_BITS): Delete.
3707         (m68k_find_selection): New function.
3708         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3709         Map the legacy target options to a combination of the new ones.
3710         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3711         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3712         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3713         settings.
3714         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3715         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3716         properties.
3717         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3718         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3719         * config/m68k/m68k-devices.def: New file.
3720
3721 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3722             Nathan Sidwell  <nathan@codesourcery.com>
3723
3724         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3725         (SUBTARGET_EXTRA_SPECS): New macros.
3726         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3727         use %(asm_cpu_spec) instead.
3728         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3729         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3730         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3731         (EXTRA_SPECS): Rename to...
3732         (SUBTARGET_EXTRA_SPECS): ...this.
3733
3734 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3735             Richard Sandiford  <richard@codesourcery.com>
3736             Julian Brown  <julian@codesourcery.com>
3737
3738         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3739         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3740         to the configuration's default CPU.
3741         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3742         Remove default masks.
3743         (m680[012]0-*-*): Set the default with_cpu to the first part of
3744         the target name.
3745         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3746         (m68k*-*-linux): Extend the --with-cpu handling to...
3747         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3748         and m68010.  Don't set target_cpu_default2.
3749         * doc/install.texi: Document --with-cpu for m68k.
3750         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3751         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3752         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3753         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3754         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3755         (ASM_SPEC): Remove use of %(asm_cpu_default).
3756         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3757         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3758         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3759         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3760         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3761         (TARGET_DEFAULT): Delete.
3762         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3763         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3764         (CPP_CPU_SPEC): Delete.
3765         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3766         the appropriate string.
3767         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3768         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3769         (ASM_SPEC): Don't use %(asm_default_spec).
3770         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3771         TARGET_DEFAULT and add MASK_68881.
3772         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3773
3774 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3775
3776         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3777         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3778         MASK_68010 alongside MASK_68020.
3779         * doc/invoke.texi: Document -m68010.
3780         * config/m68k/m68k.opt (m68010): New.
3781         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3782         if TUNE_68010.
3783         (TUNE_68010): New macro.
3784         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3785         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3786         (M68K_CPU_m68332): Add MASK_68010.
3787         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3788         fallback definition.
3789         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3790         defines.
3791         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3792         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3793         to all entries that use MASK_68020.
3794         (output_move_simode_const, output_move_himode, output_move_qimode)
3795         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3796         instead of TARGET_68020 to select clr behavior.  Remove comment
3797         about there being no TARGET_68010.
3798         * config/m68k/m68k.md: Likewise throughout.
3799
3800 2007-01-12  Julian Brown  <julian@codesourcery.com>
3801
3802         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3803         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3804         * config/m68k/m68k.md: Likewise.
3805
3806 2007-01-12  Julian Brown  <julian@codesourcery.com>
3807
3808         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3809         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3810
3811 2007-01-12  Julian Brown  <julian@codesourcery.com>
3812
3813         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3814         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3815         * config/m68k/m68k.md: Likewise.
3816
3817 2007-01-12  Julian Brown  <julian@codesourcery.com>
3818             Richard Sandiford  <richard@codesourcery.com>
3819
3820         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3821         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3822         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3823         TARGET_CPU32.
3824         (TARGET_CPU32): Rename to...
3825         (TUNE_CPU32): ...this.
3826         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3827         (TUNE_CFV2): New macros.
3828         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3829         remove conditions that are implied by TARGET_68020.
3830         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3831         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3832         (m68k_output_function_epilogue): Likewise.
3833         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3834         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3835         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3836         non-68000 timings.  Refactor multiplication and division costs.
3837         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3838         TUNE_CPU32 instead of TARGET_CPU32.
3839         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3840         and TUNE_68060 instead of TARGET_68060.
3841         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3842         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3843         TARGET_CPU32.
3844         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3845         && !TARGET_COLDFIRE" to choose between moveq and clr.
3846         Likewise in the unnamed movsf pattern.
3847         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3848         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3849         ashiftrt pattern.
3850
3851 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3852
3853         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3854         of tabbing before backslashes.
3855
3856 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3857
3858         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3859         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3860         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3861
3862 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3863
3864         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3865         find_interesting_uses_cond.
3866         (find_interesting_uses_cond): Use extract_cond_operands.
3867         (rewrite_use_compare): Use extract_cond_operands and
3868         force_gimple_operand_bsi.  Do not call update_stmt.
3869         (determine_use_iv_cost_condition): Use extract_cond_operands.
3870         Return cheaper of using original bound and changing the exit bound.
3871
3872 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3873
3874         PR tree-optimization/29516
3875         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3876         most_expensive_mult_to_index, addr_to_parts,
3877         create_mem_ref, maybe_fold_tmr): Make the type of
3878         fields of TARGET_MEM_REF sizetype.
3879         (move_fixed_address_to_symbol, move_pointer_to_base):
3880         New functions.
3881         * tree.def (TARGET_MEM_REF): Add comment on types of
3882         the operands.
3883
3884 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3885
3886         * c-common.c (vector_types_convertible_p): Treat opaque types as
3887         always convertible if they have the same size, but not otherwise.
3888
3889 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3890
3891         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3892         Remove the b_unconditional field.
3893         (noce_try_sign_mask): Do not look at b_unconditional.
3894         (noce_process_if_block): Do not use merge_if_blocks.  Update
3895         the CFG here.  Do not set b_unconditional.
3896         (cond_move_process_if_block): Likewise.
3897         (find_cond_trap): Likewise.
3898         (check_cond_move_block): Require simple jump insns at the end
3899         of the basic block.
3900
3901 2007-01-11  Jan Hubicka  <jh@suse.cz>
3902
3903         PR tree-optimization/1046
3904         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3905         when alias info is not ready.
3906         (pass_tail_recursion): Do not require aliasing.
3907         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3908         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3909         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3910         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3911         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3912         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3913         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3914         before inlining.
3915         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3916         When aliasing is not build, mark statement as volatile.
3917
3918 2007-01-11  Tom Tromey  <tromey@redhat.com>
3919
3920         PR preprocessor/15185, PR preprocessor/20989:
3921         * doc/cppopts.texi <-MT>: Update description of algorithm for
3922         computing default target.
3923         <-M, -MD>: Reword "basename" text.
3924
3925 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3926
3927         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3928         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3929         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3930         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3931         fold_builtin_bswap, real_constp, fold_builtin_pow,
3932         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3933         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3934         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3935         * convert.c (convert_to_pointer): Likewise.
3936         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3937         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3938         const_binop, fold_convert_const_int_from_int,
3939         fold_convert_const_int_from_real,
3940         fold_convert_const_real_from_real, sign_bit_p,
3941         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3942         fold_sign_changed_comparison, fold_unary, fold_comparison,
3943         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3944         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3945         * print-tree.c (print_node_brief, print_node): Likewise.
3946         * stor-layout.c (place_field, layout_type): Likewise.
3947         * tree-chrec.c (keep_cast): Likewise.
3948         * tree.c (build_vector, build_real, build_real_from_int_cst,
3949         build_complex): Likewise.
3950
3951 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3952
3953         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3954         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3955
3956 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3957
3958         * configure.ac (strict1_warn): Rename to strict_warn.
3959         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3960         cc_set_by_configure, quoted_cc_set_by_configure,
3961         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3962         all_boot_languages, all_stagestuff): Remove.
3963         (target_list): Remove bootstrap targets.
3964         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3965         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3966         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3967         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3968         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3969         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3970         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3971         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3972         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3973         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3974         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3975         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3976         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3977         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3978         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3979         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3980         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3981         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3982         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3983         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3984         (mostlyclean): Adjust.
3985         (clean, distclean): Don't mention bootstrap stuff.
3986         * configure: Regenerate.
3987         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3988         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3989         treelang/config-lang.in (stagestuff): Remove.
3990         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3991         stageprofile, stagefeedback, stagestuff): Remove mention.
3992
3993 2007-01-11  Nick Clifton  <nickc@redhat.com>
3994
3995         * config/mcore/predicates.md (mcore_general_movesrc_operand):
3996         Accept CONSTs.
3997         (mcore_general_movdst_operand): Do not accept CONST_INTs.
3998         (mcore_arith_K_S_operand): Run the test for the S constraint not
3999         the test for the M constraint.
4000         (mcore_addsub_operand): Do not accept integer values that are
4001         larger than 32 bits.
4002         * config/mcore/mcore.md: Remove unused constraints from split.
4003         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
4004         (addsi3): Likewise.
4005         (allocate_stack): Likewise.
4006         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
4007         operands to 32 bits.
4008         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
4009         INTVAL.
4010         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
4011         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
4012         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
4013         mcore_output_bclri, mcore_output_andn, output_inline_const,
4014         mcore_output_move, mcore_output_movedouble): Likewise.
4015         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
4016         (output_inline_const): Likewise.
4017         (output_inline_const): Fix format strings used in sprintf
4018         statements.
4019         * config/mcore/mcore-protos.h: Update prototypes for changed
4020         functions in mcore.c.
4021         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
4022         HOST_WIDE_INT and not int.
4023         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
4024         CONST_OK_FOR_N): Likewise.
4025         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
4026         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
4027         an INTVAL.
4028
4029 2007-01-10  Jan Hubicka  <jh@suse.cz>
4030
4031         * tree-vrp.c (remove_range_assertions): Release defs.
4032         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
4033         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
4034
4035 2007-01-10  Paul Brook  <paul@codesourcery.com>
4036
4037         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
4038         * config/arm/arm.md (mulsi3subsi): New insn.
4039
4040 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
4041
4042         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
4043         (tree_transform_and_unroll_loop): New.
4044         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
4045         Declare.
4046
4047 2007-01-10  Robert Kennedy <jimbob@google.com>
4048
4049         * fold-const.c (fold_comparison): Fold comparisons like (x *
4050         1000 < 0) to (x < 0).
4051
4052 2007-01-10  Ian Lance Taylor  <iant@google.com>
4053
4054         * tree-pretty-print.c (dump_generic_node): Print parentheses when
4055         operands have the same priority.
4056
4057 2007-01-10  Tom Tromey  <tromey@redhat.com>
4058
4059         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
4060         (fold_binary): Likewise.
4061         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
4062         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
4063         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
4064         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
4065         * langhooks.h (struct lang_hooks): Removed field
4066         'can_use_bit_fields_p'.
4067
4068 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
4069
4070         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
4071
4072 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
4073
4074         * function.c (get_last_funcdef_no): New function.
4075         * function.h (get_last_funcdef_no): Declare.
4076         * tree-inline.c (initialize_cfun): Add initialization.
4077         (tree_function_versioning): Cleanup.
4078
4079 2007-01-10  Jan Hubicka  <jh@suse.cz>
4080
4081         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
4082         PHIs.
4083
4084 2007-01-10  Sa Liu  <saliu@de.ibm.com>
4085             Ben Elliston  <bje@au.ibm.com>
4086
4087         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
4088         for SAVE_NONLOCAL and Pmode for any other save level.
4089         * spu-protos.h (spu_restore_stack_block): Declare.
4090         * spu.md (save_stack_block): Remove.
4091         (restore_stack_block): Call spu_restore_stack_block.
4092         * spu.c (spu_restore_stack_block): New function.
4093         (spu_expand_epilogue): Remove old comment.
4094
4095 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
4096
4097         PR tree-optimization/30322
4098         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
4099         (cand_value_at): Return the value as aff_tree.
4100         (may_eliminate_iv): Convert the bound from aff_tree to tree.
4101         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
4102         aff_combination_mult): New functions.
4103         (aff_combination_add): Use aff_combination_add_cst.
4104         (aff_combination_convert): Allow conversions to a wider type.
4105         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
4106         * tree-affine.h (aff_combination_mult): Declare.
4107
4108 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
4109
4110         * doc/tm.texi: Update documentation to reflect reality of exec
4111         and start file search behaviours. Update copyright year.
4112         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
4113         header file directories.
4114
4115 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
4116
4117         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
4118         (*cosxf2): Rename to cosxf2_i387.
4119         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
4120         using X87MODEF12 mode macro. Rename patterns to
4121         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
4122         for SSE math.
4123         (*cosdf2, *cossf2): Ditto.
4124         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
4125         to match extended input operands.
4126         (sincos<mode>3): New expander.
4127         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
4128         insn patterns and corresponding splitters.
4129
4130 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4131
4132         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
4133         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
4134
4135 2007-01-09  Nicolas Pitre  <nico@cam.org>
4136
4137         PR target/30173
4138         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
4139
4140 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
4141
4142         * target.h (struct gcc_target): New field library_rtti_comdat.
4143         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
4144         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
4145         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
4146         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
4147
4148 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
4149
4150         * doc/invoke.texi (Optimize Options): Correct description of -O0.
4151
4152 2007-01-08  Richard Guenther  <rguenther@suse.de>
4153
4154         * tree.h (force_fit_type_double): Export.
4155         (force_fit_type): Remove.
4156         * fold-const.c (force_fit_type_double): New function.
4157         (force_fit_type): Remove.
4158         (int_const_binop): Use it.
4159         (fold_convert_const_int_from_int): Likewise.
4160         (fold_convert_const_int_from_real): Likewise.
4161         (fold_div_compare): Likewise.
4162         (fold_sign_changed_comparison): Likewise.
4163         (fold_unary): Likewise.
4164         (fold_negate_const): Likewise.
4165         (fold_abs_const): Likewise.
4166         (fold_not_const): Likewise.
4167         * c-common.c (shorten_compare): Use force_fit_type_double.
4168         * convert.c (convert_to_pointer): Likewise.
4169
4170 2007-01-08  Richard Guenther  <rguenther@suse.de>
4171
4172         * tree.h (build_int_cst_wide_type): Export.
4173         * tree.c (build_int_cst_wide_type): New function.
4174         (build_int_cst_wide): Fix comment.
4175         * builtins.c (fold_builtin_object_size): Use build_int_cst
4176         to build -1 or 0 of the correct type.  Use fit_double_type
4177         to check for overflow.
4178         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
4179         to build the mask.
4180         (decode_field_reference): Likewise.
4181         (all_ones_mask_p): Likewise.
4182         (native_interpret_int): Use build_int_cst_wide_type.
4183         (fold_binary): Use build_int_cst_type to build an all-ones
4184         value.
4185         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
4186
4187 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
4188
4189         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
4190
4191 2007-01-09  Ben Elliston  <bje@au.ibm.com>
4192
4193         * genautomata.c (STATS_OPTION): New option.
4194         (stats_flag): New flag.
4195         (gen_automata_option): Handle it.
4196         (initiate_automaton_gen): Ditto.
4197         (write_automata): Output statistics only if stats_flag is
4198         set. Likewise, output time statistics only if time_flag is set.
4199         * doc/md.texi (Processor pipeline description): Document new flag.
4200
4201 2007-01-08  Richard Guenther  <rguenther@suse.de>
4202
4203         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
4204         * tree.c (build_int_cst_type): Likewise.
4205         (size_in_bytes): Don't call force_fit_type on the result.
4206         (int_fits_type_p): Use fit_double_type.
4207         * fold-const.c (fit_double_type): New function.
4208         (force_fit_type): Use it.
4209         * tree.h (fit_double_type): Export.
4210
4211 2007-01-08  Jan Hubicka  <jh@suse.cz>
4212
4213         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
4214         * ipa.c (function_and_variable_visibility): Fix return type.
4215
4216 2007-01-08  Richard Guenther  <rguenther@suse.de>
4217
4218         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
4219         of offset to build the index.
4220         * tree-pretty-print.c (dump_generic_node): Don't build negated
4221         const just for printing.
4222         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4223         * builtins.c (fold_builtin_int_roundingfn): Check if result
4224         fits the type by using force_fit_type and comparing the result.
4225         * predict.c (predict_loops): Use compare_tree_int for comparison.
4226         * tree.c (build_int_cst): Fall back to integer_type_node for
4227         NULL_TREE type.
4228         (build_int_cst_wide): Assert type is non-null.
4229
4230 2007-01-08  Roberto Costa  <roberto.costa@st.com>
4231
4232         * tree-vrp.c (extract_range_from_cond_expr): New.
4233         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
4234         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
4235         as expressions.
4236         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
4237         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
4238         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
4239         used as expressions.
4240         * tree-object-size.c (cond_expr_object_size): New.
4241         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
4242
4243 2007-01-08  Jan Hubicka  <jh@suse.cz>
4244
4245         * tree-ssa-forwprop.c (forward_propagate_into_cond,
4246         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
4247         statement.
4248
4249 2007-01-08  Richard Guenther  <rguenther@suse.de>
4250
4251         PR tree-optimization/23603
4252         * tree-vrp.c (set_value_range_to_truthvalue): New function.
4253         (extract_range_from_binary): Fall back to truthvalue instead of
4254         varying for TRUTH_*_EXPR.
4255         (extract_range_from_comparison): Fall back to truthvalue instead of
4256         varying.
4257         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
4258         if all visited PHI values were constant.
4259
4260 2007-01-08  Jan Hubicka  <jh@suse.cz>
4261
4262         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
4263         (cgraph_analyze_function): break out from ...
4264         (cgraph_finalize_compilation_unit): ... here.
4265         (cgraph_expand_function): Remove forgoten commented out line.
4266         (cgraph_optimize): Analyze functions.
4267
4268 2007-01-08  Jan Hubicka  <jh@suse.cz>
4269
4270         * tree-pas.h (TODO_remove_function): New flag.
4271         (TODO_update*): Renumber.
4272         (pass_ipa_increase_alignment,
4273         pass_ipa_function_and_variable_visibility): New passes.
4274         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
4275         (cgraph_function_and_variable_visibility): Move to ipa.c
4276         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
4277         cgraph_increase_alignment.
4278         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
4279         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
4280         calling tree-inline.
4281         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
4282         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
4283         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
4284         (gate_increase_alignment): New function.
4285         (pass_ipa_increase_alignment): New pass.
4286         * ipa.c: Inline tree-pass.h and timevar.h
4287         (function_and_variable_visibility): Move here from cgraphunit.c
4288         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
4289         * passes.c (init_optimization_passes): Add the two new passes.
4290         (execute_todo): Handle cgraph_remove_functions.
4291
4292 2007-01-08  Nick Clifton  <nickc@redhat.com>
4293
4294         * config/frv/predicates.md (reg_or_0_operand): Accept
4295         CONST_DOUBLEs.
4296
4297 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
4298
4299         * config/bfin/rtems.h, config/bfin/t-rtems: New.
4300         * config.gcc: Add bfin*-rtems*.
4301
4302 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4303
4304         * c.opt: Add -flax-vector-conversions.
4305         * c-typeck.c (convert_for_assignment): Pass flag to
4306         vector_types_convertible_p to allow emission of note.
4307         (digest_init): Likewise.
4308         * c-opts.c: Handle -flax-vector-conversions.
4309         * c-common.c (flag_lax_vector_conversions): New.
4310         (vector_types_convertible_p): Unless -flax-vector conversions
4311         has been passed, disallow conversions between vectors with
4312         differing numbers of subparts and/or element types.  If such
4313         a conversion is disallowed, possibly emit a note on the first
4314         occasion only to inform the user of -flax-vector-conversions.
4315         The new last argument specifies this.
4316         * c-common.h (flag_lax_vector_conversions): New.
4317         (vector_types_convertible_p): Add extra argument.
4318         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
4319         char_type_node for V*QI type vectors.
4320         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
4321         Update to satisfy new typechecking rules.
4322         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
4323         C and C++ variants.
4324         * doc/invoke.texi (C Dialect Options): Document
4325         -flax-vector-conversions.
4326
4327 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4328
4329         PR tree-optimization/29877
4330         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4331         a register variable on the RHS to not be replaceable.
4332
4333 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
4334         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4335         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4336         const_simm15, const_pow2, const_npow2): Added.
4337         * config/score/misc.md (insv, extv, extzv, movmemsi,
4338         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4339         * config/score/score.c (score_address_cost, score_select_cc_mode):
4340         Added.
4341         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4342         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4343         Update score_print_operand.
4344         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4345         Adjust register allocate order and update some macro define.
4346         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4347         mdx_block_move_straight, mdx_block_move_loop_head,
4348         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4349         mdx_block_move): Added.
4350         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4351         mdp_limm): Updated and fix some bug and typo.
4352         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4353         (movsf, movdf, doloop_end): Added.
4354
4355 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
4356
4357         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4358         config/arm/thumb2.md: Fix comment typos.
4359         * doc/extend.texi: Fix a typo.
4360
4361 2007-01-07  Eric Christopher  <echristo@apple.com>
4362
4363         * configure.ac: Check for __stack_chk_fail for darwin.
4364         * configure: Regenerate.
4365
4366 2007-01-07  Richard Guenther  <rguenther@suse.de>
4367
4368         * tree-vrp.c (extract_range_from_assert): CSE calls to
4369         compare_values where possible.
4370         (extract_range_from_unary_expr): Likewise.
4371
4372 2007-01-07  Anatoly Sokolov <aesok@post.ru>
4373
4374         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4375         * config/avr/avr.c (call_insn_operand): Delete function.
4376         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4377         instead of register number. Use predicates.
4378         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4379         call_insn_operand): Add.
4380
4381 2007-01-06  Jan Hubicka  <jh@suse.cz>
4382
4383         * tree-pass.h (pass_build_cgraph_edges): Declare.
4384         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4385         (visited_nodes): Remove.
4386         (cgraph_create_edges): Move to cgraphbuild.c; rename to
4387         build_cgrpah_edges; make visited_nodes local.
4388         (cgraph_process_new_functions): DO not call initialize_inline_failed.
4389         (record_references_in_initializer): Move to cgraphbuild.c
4390         (initialize_inline_failed, rebuild_cgraph_edges,
4391         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4392         (verify_cgraph_node): Make visited_nodes local.
4393         (cgraph_analyze_function): Do not call cgraph_create_edges and
4394         initialize_inline_failed.
4395         (cgraph_expand_function): Do not call cgraph_lower_function;
4396         assert that function is already lowered.
4397         * Makefile.in (cgraphbuild.o): New.
4398         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4399         at the end of lowering passes.
4400
4401 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
4402
4403         * ifcvt.c (cond_move_convert_if_block): New function, code
4404         factored out from...
4405         (cond_move_process_if_block): ...here.  Call the new function
4406         on the THEN and ELSE blocks.
4407         (merge_if_block): Do not copy global_live_at_end, merge_blocks
4408         already takes care of this.
4409
4410 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4411
4412         PR c/19978
4413         * tree.h (TREE_OVERFLOW_P): New.
4414         * c-typeck.c (parser_build_unary_op): Warn only if result
4415         overflowed and operands did not.
4416         (parser_build_binary_op): Likewise.
4417         (convert_for_assignment): Remove redundant overflow_warning.
4418         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4419
4420 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4421
4422         * c-typeck.c (store_init_value): Split over two lines to follow
4423         the GNU coding style.
4424
4425 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
4426
4427         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4428         __GXX_EXPERIMENTAL_CXX0X__.
4429         * doc/cpp.texi: Same.
4430
4431 2007-01-05  Richard Guenther  <rguenther@suse.de>
4432
4433         PR middle-end/27826
4434         * tree.c (get_narrower): Do not construct COMPONENT_REFs
4435         with mismatched types.  Instead explicitly build a
4436         conversion NOP_EXPR.
4437
4438 2007-01-05  Ian Lance Taylor  <iant@google.com>
4439
4440         * c-common.c (decl_with_nonnull_addr_p): New function.
4441         (c_common_truthvalue_conversion): Call it.
4442         * c-typeck.c (build_binary_op): Likewise.
4443         * c-common.h (decl_with_nonnull_addr_p): Declare.
4444
4445 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
4446
4447         PR c/30360
4448         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4449         denom against 0.0.
4450
4451 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
4452
4453         * doc/install.texi (Final install): Document the fact that
4454         the GNAT runtime should not be stripped.
4455
4456 2007-01-04  Jan Hubicka  <jh@suse.cz>
4457
4458         * tree-inline.c (fold_marked_statements): Update operand caches
4459         and EH after folding
4460
4461 2007-01-04  Ian Lance Taylor  <iant@google.com>
4462
4463         * c-common.c (check_function_nonnull): Whitespace fix.
4464
4465 2007-01-04  Jan Hubicka  <jh@suse.cz>
4466
4467         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4468         comitted older version of patch.
4469         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4470         function, celanup cfg and collect garbage.
4471
4472 2007-01-04  Mike Stump  <mrs@apple.com>
4473
4474         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4475         (clean): Likewise.
4476
4477 2007-01-04  Eric Christopher  <echristo@apple.com>
4478
4479         * libgcc2.c (__bswapsi2): Use SItype.
4480         (__bswapdi2): Use DItype.
4481         * libgcc2.h: Update for above.
4482
4483 2007-01-04  Paul Brook  <paul@codesourcery.com>
4484
4485         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4486         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4487         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4488         umulsidi3, umulsidi3adddi, smulsi3_highpart,
4489         umulsi3_highpart): Make conditional on !arm_arch6.
4490         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4491         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4492         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4493         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4494         umulsi3_highpart_v6): New insns.
4495
4496 2007-01-04  Roger Sayle  <roger@eyesopen.com>
4497
4498         * fold-const.c (fold_convert): When casting an expression to void,
4499         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4500         have a type.  Instead of attempting to build a NOP_EXPR, return
4501         these "special" trees directly.
4502
4503 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
4504
4505         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4506         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
4507         rs6000_cost->fp not 0 as adjustment for outer NEG.
4508
4509 2007-01-04  Jan Hubicka  <jh@suse.cz>
4510
4511         * cgraph.c (cgraph_release_function_body): New function.
4512         (cgraph_remove_node): Use it.
4513         * cgraph.h (cgraph_release_function_body): Declare.
4514         * cgraphunit.c (cgraph_expand_function): Use it.
4515         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4516         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4517         is initialized and while compilation of other function is running.
4518         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4519         statement CFG annotations from here to ...
4520         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4521
4522 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
4523
4524         * cfgloop.h (enum li_flags): Make the constants powers of two.
4525
4526 2007-01-04  Jan Hubicka  <jh@suse.cz>
4527
4528         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4529         set.
4530         (fold_marked_statements): New function.
4531         (optimize_inline_calls, tree_function_versioning): Fold new statements.
4532         * tree-inline.h (copy_body_data): Add statements_to_fold.
4533
4534 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
4535
4536         * config.gcc: Mention libgcc/config.host.
4537         * Makefile.in: Update comments mentioning libgcc.
4538         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4539         (all.cross, start.encap, rest.encap, rest.cross): Update
4540         dependencies for libgcc move.
4541         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4542         (clean-target, clean-target-libgcc): Delete.
4543         (srcdirify, GCC_EXTRA_PARTS): New macros.
4544         (libgcc-support, libgcc.mvars): New rules.
4545         (distclean): Remove mention of mklibgcc.
4546         (install): Don't reference INSTALL_LIBGCC.
4547         (install-common): Don't reference EXTRA_PARTS.
4548         (install-libgcc, install-multilib): Delete rules.
4549         * mklibgcc.in: Delete file.
4550         * doc/configfiles.texi: Don't mention mklibgcc.
4551
4552         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4553         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4554         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4555         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4556         (mklibgcc, ldblspecs): Likewise.
4557
4558         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4559         (posixpre.def): Use $(T).
4560         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4561         (SHLIB_SRC, SHLIB_INSTALL): Delete.
4562         (SHLIB_LINK): Make dummy.
4563         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4564
4565         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4566
4567         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4568         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4569         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4570         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4571
4572         * configure.ac (all_outputs): Remove mklibgcc.
4573         * configure: Regenerated.
4574
4575 2007-01-03  Josh Conner  <jconner@apple.com>
4576
4577         PR middle-end/29683
4578         * calls.c (compute_argument_addresses): Set stack and stack_slot
4579         for partial args, too.
4580         (store_one_arg): Use locate.size.constant for the size when
4581         generating a save_area.
4582
4583 2007-01-03  Robert Kennedy <jimbob@google.com>
4584
4585         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4586         whose definitions are deleted due to basic block merging.
4587
4588 2007-01-03  Paul Brook  <paul@codesourcery.com>
4589
4590         PR target/16634
4591         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4592         functions.
4593         (use_return_insn): Return 0 for Thumb interrupt functions.
4594         (print_multi_reg): Add rfe argument for IRQ returns.
4595         (arm_output_epilogue): Pop interrupt return address directly into PC.
4596         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4597
4598 2007-01-03  Paul Brook  <paul@codesourcery.com>
4599
4600         Merge from sourcerygxx-4_1.
4601         * config/arm/thumb2.md: New file.
4602         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4603         Thumb-2.
4604         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4605         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4606         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4607         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4608         tables.
4609         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4610         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4611         comptibility.
4612         * config/arm/ieee754-sf.S: Ditto.
4613         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4614         (thumb1_base_register_rtx_p): ... to this.
4615         (thumb_index_register_rtx_p): Rename...
4616         (thumb1_index_register_rtx_p): ... to this.
4617         (thumb_output_function_prologue): Rename...
4618         (thumb1_output_function_prologue): ... to this.
4619         (thumb_legitimate_address_p): Rename...
4620         (thumb1_legitimate_address_p): ... to this.
4621         (thumb_rtx_costs): Rename...
4622         (thumb1_rtx_costs): ... to this.
4623         (thumb_compute_save_reg_mask): Rename...
4624         (thumb1_compute_save_reg_mask): ... to this.
4625         (thumb_final_prescan_insn): Rename...
4626         (thumb1_final_prescan_insn): ... to this.
4627         (thumb_expand_epilogue): Rename...
4628         (thumb1_expand_epilogue): ... to this.
4629         (arm_unwind_emit_stm): Rename...
4630         (arm_unwind_emit_sequence): ... to this.
4631         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4632         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4633         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4634         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4635         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4636         thumb2_output_casesi): New functions.
4637         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4638         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4639         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4640         THUMB2_WORK_REGS): Define.
4641         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4642         arm_condexec_mask, arm_condexec_masklen)): New variables.
4643         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4644         (arm_override_options): Check new CPU capabilities.
4645         Set new architecture flag variables.
4646         (arm_isr_value): Handle v7m interrupt functions.
4647         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
4648         Thumb-2.
4649         (const_ok_for_arm): Handle Thumb-2 constants.
4650         (arm_gen_constant): Ditto.  Use movw when available.
4651         (arm_function_ok_for_sibcall): Return false for v7m interrupt
4652         functions.
4653         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4654         (thumb_find_work_register, arm_load_pic_register,
4655         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4656         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4657         print_multi_reg, output_mov_long_double_fpa_from_arm,
4658         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4659         output_mov_double_fpa_from_arm, output_move_double,
4660         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4661         output_return_instruction, arm_output_function_prologue,
4662         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4663         arm_output_mi_thunk, thumb_set_return_address): Ditto.
4664         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
4665         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4666         (arithmetic_instr, shift_op): Use arm_shift_nmem.
4667         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
4668         '!' and 'L'.
4669         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4670         (thumb_expand_prologue): Use thumb_set_frame_pointer.
4671         (arm_file_start): Output directive for unified syntax.
4672         (arm_unwind_emit_set): Handle stack alignment instruction.
4673         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4674         Add v6t2, v7, v7a, v7r and v7m.
4675         (RETLDM): Add Thumb-2 code.
4676         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4677         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4678         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4679         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4680         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4681         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4682         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4683         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4684         ADJUST_INSN_LENGTH): Define.
4685         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4686         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4687         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4688         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4689         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4690         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4691         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4692         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4693         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4694         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4695         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4696         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4697         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4698         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4699         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4700         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4701         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4702         cortex-m3.
4703         * config/arm/arm-tune.md: Regenerate.
4704         * config/arm/arm-protos.h: Update prototypes.
4705         * config/arm/vfp.md: Enable patterns for Thumb-2.
4706         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4707         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4708         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4709         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4710         * config/arm/libunwind.S: Add Thumb-2 code.
4711         * config/arm/constraints.md: Update include Thumb-2.
4712         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4713         * config/arm/ieee754-df.S: Ditto.
4714         * config/arm/bpabi.S: Ditto.
4715         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4716         * config/arm/predicates.md (low_register_operand,
4717         low_reg_or_int_operand, thumb_16bit_operator): New.
4718         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4719         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4720         * config/arm/t-arm-elf: Add armv7 multilib.
4721         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4722         Include thumb2.md.
4723         (UNSPEC_STACK_ALIGN, ce_count): New.
4724         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4725         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4726         insns/expanders.
4727         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4728         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4729         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4730         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4731         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4732         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4733         insns.
4734         * doc/extend.texi: Document ARMv7-M interrupt functions.
4735         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4736
4737 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4738
4739         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4740         (struct _Unwind_Context): Rename args_size to flags, remove
4741         signal_frame field, add a new args_size field and version field.
4742         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4743         _Unwind_IsExtendedContext): New inline functions.
4744         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4745         Assume by_value array is only present if _Unwind_IsExtendedContext.
4746         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4747         _Unwind_IsSignalFrame.
4748         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4749         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4750         (uw_init_context_1): Initialize context->flags to
4751         EXTENDED_CONTEXT_BIT.
4752         * config/rs6000/linux-unwind.h (frob_update_context): Use
4753         _Unwind_SetSignalFrame.
4754
4755 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4756
4757         PR middle-end/30353
4758         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4759         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4760         the value.
4761
4762 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4763
4764         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4765         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4766         RET, AT_SP): Remove.
4767         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4768         instead of RET.
4769
4770         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4771         * cfgbuild.c (find_basic_blocks): Likewise.
4772         * cfgrtl.c (rtl_create_basic_block): Likewise.
4773         * function.c (temp_slots_at_level): Likewise.
4774         * reg-stack.c (stack_regs_mentioned): Likewise.
4775         * regclass.c (allocate_reg_info): Likewise.
4776         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4777         set_bb_for_stmt, move_block_to_fn): Likewise.
4778         * tree-complex.c (tree_lower_complex): Likewise.
4779         * vec.h (VEC_safe_grow_cleared): New.
4780
4781         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4782
4783 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4784
4785         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4786         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4787         to loop_version.
4788         * cfgloopmanip.c (scale_loop_frequencies): Export.
4789         (loopify): Scale the frequencies by prescribed coefficients.
4790         (set_zero_probability): New function.
4791         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4792         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4793         and frequencies according to arguments.
4794         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4795         correctly.
4796         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4797         * modulo-sched.c (sms_schedule): Set probabilities for entering
4798         versioned loop correctly.
4799         * tree-vect-transform.c (vect_transform_loop): Ditto.
4800         * cfgloop.h (loopify, loop_version): Declaration changed.
4801         (scale_loop_frequencies): Declared.
4802
4803 2007-01-02  Jan Hubicka  <jh@suse.cz>
4804
4805         * cgraph.c: Include tree-flow.h
4806         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4807         early_local_passes.
4808         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4809         * tree-pass.h (pass_all_early_optimizations): Declare.
4810         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4811         early_local_passes.
4812         (cgraph_analyze_function): Do early_local_passes.
4813         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4814         Do not add referenced vars.
4815         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4816         SSA form.
4817         (gate_all_early_local_passes): New gate.
4818         (pass_early_local_passes): Use new gate.
4819         (execute_early_local_optimizations): New functions.
4820         (gate_all_early_optimizations): New gate.
4821         (pass_all_early_optimizations): New pass.
4822         (execute_free_datastructures): Free SSA only when initialized.
4823         (gate_init_datastructures): Init only when optimizing.
4824         (tree_lowering_passes): Do early local passes when called late.
4825         * tree-profile.c (do_tree_profiling): Don't profile functions added
4826         late.
4827         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4828         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4829         not active.
4830         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4831         during early_local_passes.
4832         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4833
4834
4835 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4836
4837         * Makefile.in: Update copyright year.
4838
4839 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4840
4841         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4842         in $(lang_checks) and check-consistency targets.
4843
4844 2007-01-02  Jan Hubicka  <jh@suse.cz>
4845
4846         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4847         Do not add referenced vars.
4848         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4849         are not active.
4850         * passes.c (init_optimization_passes): Put mudflap_2 after
4851         free_datastructures.
4852
4853 2007-01-02  Jan Hubicka  <jh@suse.cz>
4854
4855         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4856         Set NOTHROW flag on call statements proved to be nothrow.
4857         Update statement of local calls so new pure/const functions are
4858         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4859         goto receivers.
4860         (tree_rest_of_compilation): Register hooks and initialize bitmap
4861         early. Do not set after_inlining flag.
4862
4863 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4864
4865         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4866         HOST_BITS_PER_LONGLONG
4867
4868 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4869
4870         PR c/19977
4871         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4872         warning for non-static initializers.
4873
4874 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4875
4876         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4877         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4878         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4879         Always use set_unique_reg_note to add REG_EQUAL notes.
4880
4881 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4882
4883         Revert:
4884         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4885
4886         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4887         * cfgbuild.c (find_basic_blocks): Likewise.
4888         * cfgrtl.c (rtl_create_basic_block): Likewise.
4889         * function.c (temp_slots_at_level): Likewise.
4890         * reg-stack.c (stack_regs_mentioned): Likewise.
4891         * regclass.c (allocate_reg_info): Likewise.
4892         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4893         set_bb_for_stmt, move_block_to_fn): Likewise.
4894         * tree-complex.c (tree_lower_complex): Likewise.
4895         * vec.h (VEC_safe_grow_cleared): New.
4896
4897 2007-01-02  Ian Lance Taylor  <iant@google.com>
4898
4899         * c-common.c (c_common_truthvalue_conversion): When warning about
4900         using an assignment as a truth value, set TREE_NO_WARNING.
4901
4902 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4903
4904         PR middle-end/7651
4905         * c.opt (Wold-style-declaration): New.
4906         * doc/invoke.texi (C-only Warning Options): New.
4907         (Wold-style-declaration): Document it.
4908         (Wextra): Enabled by -Wextra.
4909         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4910         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4911         -Wold-style-declaration.
4912
4913 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4914
4915         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4916         * cfgbuild.c (find_basic_blocks): Likewise.
4917         * cfgrtl.c (rtl_create_basic_block): Likewise.
4918         * function.c (temp_slots_at_level): Likewise.
4919         * reg-stack.c (stack_regs_mentioned): Likewise.
4920         * regclass.c (allocate_reg_info): Likewise.
4921         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4922         set_bb_for_stmt, move_block_to_fn): Likewise.
4923         * tree-complex.c (tree_lower_complex): Likewise.
4924         * vec.h (VEC_safe_grow_cleared): New.
4925
4926 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4927
4928         * c-common.c (c_common_nodes_and_builtins): Since variants of
4929         void_type_node get built before it is given a name, we need to
4930         give those variants the name, too.
4931         (complete_array_type): We need to work with the canonical main
4932         type of the array, from which we will build the qualified version.
4933         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4934         * print-tree.c (print_node): Display canonical type information
4935         for each type.
4936         * stor-layout.c (layout_type): When we don't know the
4937         alignment of a type for which we're building an array, we end up
4938         guessing wrong, so make the type require structural equality.
4939         * tree.c (make_node_stat): When we build a new type, it is its
4940         own canonical type.
4941         (build_type_attribute_qual_variant): When building an attribute
4942         variant, its canonical type is the non-attribute variant. However,
4943         if the attributes are target-dependent and they differ, we need to
4944         use structural equality checks for this type.
4945         (build_qualified_type): A qualified type is not equivalent to its
4946         unqualified variant; set the canonical type appropriately.
4947         (build_distinct_type_copy): When building a distinct type from
4948         another type, the new type is its own canonical type.
4949         (build_variant_type_copy): When building a new type variant, we
4950         assume that it is equivalent to the original type.
4951         (build_pointer_type_for_mode): When building a pointer type, also
4952         build a canonical type pointer.
4953         (build_reference_type_for_mode): When building a reference type,
4954         also build a canonical type reference.
4955         (build_index_type): When we can't hash an index type (e.g.,
4956         because its maximum value is negative), the index type requires
4957         structural equality tests.
4958         (build_array_type): Build the canonical form of an array type.
4959         (build_function_type): Function types require structural equality,
4960         because they contain default arguments, attributes, etc.
4961         (build_method_type_directly): Ditto for method types.
4962         (build_offset_type): Build the canonical offset type.
4963         (build_complex_type): Build the canonical vector type.
4964         (make_vector_type): Build the canonical vector type.
4965         * tree.h (TYPE_CANONICAL): New.
4966         (TYPE_STRUCTURAL_EQUALITY_P): New.
4967         (SET_TYPE_STRUCTURAL_EQUALITY): New.
4968         (struct tree_type): Added "canonical" field.
4969         * params.h (VERIFY_CANONICAL_TYPES): New.
4970         * doc/c-tree.texi (TYPE_CANONICAL): Document.
4971         (TYPE_STRUCTURAL_EQUALITY_P): Document.
4972         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4973         * doc/invoke.texi (verify-canonical-types): Document --param
4974         parameter for verifying canonical types.
4975
4976 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4977
4978         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4979         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4980         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4981         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4982         tm_file.
4983         * config/rs6000/e500.h: New.
4984         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4985         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4986         Remove.
4987         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4988         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4989         TARGET_E500_DOUBLE): Remove.
4990         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4991         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4992         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4993         * config/rs6000/rs6000.c (rs6000_override_options): Use
4994         CHECK_E500_OPTIONS.
4995
4996 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4997
4998         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4999         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
5000         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
5001         rs6000_emit_cmove): Don't check TARGET_E500.
5002         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
5003         sordered): Don't check TARGET_E500.
5004
5005 2007-01-01  Eric Christopher  <echristo@apple.com>
5006
5007         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
5008         HARD_REGISTER_NUM_P.
5009
5010 2007-01-01  Roger Sayle  <roger@eyesopen.com>
5011
5012         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
5013         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
5014         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
5015         eq/ne Y".
5016
5017 2007-01-01  Mike Stump  <mrs@apple.com>
5018
5019         * configure.ac: Remove support for building with Apple's gcc-3.1.
5020
5021 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
5022
5023         PR middle-end/30311
5024         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
5025         REG is a hard register.  Do not modify REG before calling
5026         subreg_nregs.
5027         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
5028         multiple of the size of YMODE for certain lowpart cases.
5029
5030 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5031
5032         PR middle-end/30253
5033         * gimplify (voidify_wrapper_expr): Update for
5034         GIMPLE_MODIFY_STMT.
5035
5036 2007-01-01  Andreas Schwab  <schwab@suse.de>
5037
5038         PR target/29166
5039         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
5040         save of BR0 in extra_spill_size instead of spill_size.
5041         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
5042         area.
5043         (ia64_expand_epilogue): Restore BR0 from its new location.
5044
5045 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5046
5047         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
5048         Use a temporary variable if the left hand side is not a gimple
5049         register.
5050
5051 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5052
5053         * gimplify.c (gimplify_return_expr): Make the temporary variable
5054         for the return expression, a gimple register variable.
5055
5056 2007-01-01  Jan Hubicka  <jh@suse.cz>
5057
5058         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
5059         INSN_LIST.
5060
5061 2007-01-01  Mike Stump  <mrs@apple.com>
5062
5063         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
5064         .literal16.
5065         * config/darwin.c (machopic_select_rtx_section): Use
5066         HAVE_GAS_LITERAL16.
5067         (darwin_mergeable_constant_section): Likewise.
5068         * configure: Regenerate.
5069         * config.in: Regenerate.
5070
5071 2007-01-01  Jan Hubicka  <jh@suse.cz>
5072             Andrew Pinski  <pinskia@gmail.com>
5073
5074         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
5075         before starting IPA passes.