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1 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2
3         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4         limbo die nodes.
5
6 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7
8         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
9         types as aggregates not scalars.
10         * function.c (assign_stack_temp_for_type): Likewise.
11
12 2007-02-14  Roger Sayle  <roger@eyesopen.com>
13             Zdenek Dvorak  <dvorakz@suse.cz>
14
15         * tree-dump.c (dump_switch_p_1): Require exact match of the option
16         name.
17
18 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
19
20         * passes.c (next_pass_1): Clear the next field of the copied
21         pass structure.
22
23 2007-02-14  Richard Henderson  <rth@redhat.com>
24
25         * tree-sra.c (early_sra): New.
26         (decl_can_be_decomposed_p): Deny va_list if early_sra.
27         (tree_sra_early, pass_sra_early): New.
28         * tree-pass.h (pass_sra_early): Declare.
29         * passes.c (init_optimization_passes): Use it.
30
31 2007-02-14  Richard Guenther  <rguenther@suse.de>
32
33         * flags.h (issue_strict_overflow_warning): Convert to a macro.
34
35 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
36
37          PR tree-optimization/30771
38         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
39         also phi nodes.
40         (vect_analyze_operations): Induction phis can now be marked as
41         used_in_loop.
42         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
43         Update documentation accordingly.
44
45 2007-02-14  Nick Clifton  <nickc@redhat.com>
46
47         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
48         most 3 arguments are supported.
49         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
50
51 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
52
53         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
54         Ensure dst->current is valid.
55
56 2007-02-13  Paul Brook  <paul@codesourcery.com>
57
58         * config.gcc: Add arm*-*-uclinux-*eabi.
59         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
60         (SUBTARGET_EXTRA_LINK_SPEC): Define.
61         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
62         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
63         (LINK_SPEC): Define.
64         (LIB_SPEC): Define.
65         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
66         register.
67         * config/arm/uclinux-eabi.h: New file.
68         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
69         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
70         based targets.
71
72 2007-02-13  Ian Lance Taylor  <iant@google.com>
73
74         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
75         * flags.h (warn_strict_overflow): Declare.
76         (enum warn_strict_overflow_code): Define.
77         (issue_strict_overflow_warning): New static inline function.
78         * opts.c (warn_strict_overflow): New variable.
79         (common_handle_option): Handle OPT_Wstrict_overflow and
80         OPT_Wstrict_overflow_.
81         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
82         OPT_Wall.
83         * fold-const.c: Include intl.h.
84         (fold_deferring_overflow_warnings): New static variable.
85         (fold_deferred_overflow_warning): New static variable.
86         (fold_deferred_overflow_code): New static variable.
87         (fold_defer_overflow_warnings): New function.
88         (fold_undefer_overflow_warnings): New function.
89         (fold_undefer_and_ignore_overflow_warnings): New function.
90         (fold_deferring_overflow_warnings_p): New function.
91         (fold_overflow_warning): New static function.
92         (make_range): Add strict_overflow_p parameter.  Change all
93         callers.
94         (extract_muldiv, extract_muldiv_1): Likewise.
95         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
96         tree_expr_nonnegative_p.
97         (fold_negate_expr): Call fold_overflow_warning.
98         (fold_range_test): Likewise.
99         (fold_comparison): Likewise.
100         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
101         instead of tree_expr_nonnegative_p.
102         (tree_expr_nonnegative_warnv_p): Rename from
103         tree_expr_nonnegative_p, add strict_overflow_p parameter.
104         (tree_expr_nonnegative_p): New function.
105         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
106         strict_overflow_p parameter.
107         (tree_expr_nonzero_p): New function.
108         * passes.c (verify_interpass_invariants): New static function.
109         (execute_one_pass): Call it.
110         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
111         warnings.
112         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
113         (estimate_numbers_of_iterations): Likewise.
114         (scev_probably_wraps_p): Likewise.
115         * tree-ssa-ccp.c: Include "toplev.h".
116         (evaluate_stmt): Defer fold overflow warnings until we know we are
117         going to optimize.
118         (struct fold_stmt_r_data): Add stmt field.
119         (fold_stmt_r): Defer fold overflow warnings until we know we
120         optimized.
121         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
122         (fold_stmt_inplace): Likewise.
123         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
124         (cleanup_control_expr_graph): Defer fold overflow warnings until
125         we know we are going to optimize.
126         * tree-cfg.c (fold_cond_expr_cond): Likewise.
127         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
128         Likewise.
129         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
130         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
131         * tree-ssa-loop-manip.c (create_iv): Likewise.
132         * c-typeck.c (build_conditional_expr): Likewise.
133         (build_binary_op): Likewise.
134         * tree-vrp.c (vrp_expr_computes_nonzero): Call
135         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
136         (extract_range_from_unary_expr): Likewise.
137         * simplify-rtx.c (simplify_const_relational_operation): Warn when
138         assuming that signed overflow does not occur.
139         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
140         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
141         (fold_defer_overflow_warnings): Declare.
142         (fold_undefer_overflow_warnings): Declare.
143         (fold_undefer_and_ignore_overflow_warnings): Declare.
144         (fold_deferring_overflow_warnings_p): Declare.
145         (tree_expr_nonzero_warnv_p): Declare.
146         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
147         of warning options.
148         (Warning Options): Document -Wstrict-overflow.
149         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
150         (tree-ssa-ccp.o): Likewise.
151         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
152         (fold-const.o): Depend on intl.h.
153
154 2007-02-13  Ian Lance Taylor  <iant@google.com>
155
156         PR middle-end/30751
157         * lower-subreg.c (resolve_simple_move): Decompose subregs in
158         addresses.
159
160 2007-02-13  Stuart Hastings  <stuart@apple.com>
161
162         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
163
164 2007-02-13  Richard Henderson  <rth@redhat.com>
165
166         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
167         handled_component_p before looking for the indirect_ref.
168
169 2007-02-13  Richard Henderson  <rth@redhat.com>
170
171         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
172         remove flags clobber.
173         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
174         (bswaphi_lowpart): New.
175         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
176         remove TARGET_BSWAP test.  Delete expander of the same name.
177
178         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
179         (expand_unop): Use them.
180
181 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
182
183         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
184         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
185         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
186         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
187         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
188         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
189         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
190         assembler dialect choice from asm templates.
191
192 2007-02-12  Richard Henderson  <rth@redhat.com>
193
194         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
195         (fixuns_trunc<SSEMODEF>si2): Use it.
196         * config/i386/sse.md (vec_setv4sf_0): Export.
197         * config/i386/i386.c (ix86_build_const_vector): Export.
198         (ix86_split_convert_uns_si_sse): Rename from
199         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
200         * config/i386/i386-protos.h: Update.
201
202 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
203
204         PR c/29521
205         * c-typeck.c (c_finish_return): Improve warning message.
206
207 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
208
209         * alias.c (find_symbolic_term): Delete unused function.
210         
211 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
212
213         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
214         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
215         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
216
217 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
218
219         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
220         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
221         the function, temporarily point the debug interface to the null one.
222
223 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
224
225         * dwarf2out.c (round_up_to_align): New static function.
226         (field_byte_offset): Use it to round the offset.
227
228 2007-02-12  Richard Henderson  <rth@redhat.com>
229
230         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
231         (inswl_const): Export.
232
233 2007-02-12  Richard Henderson  <rth@redhat.com>
234
235         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
236         result mode of the libcall, convert back to outmode.
237
238 2007-02-12  Roger Sayle  <roger@eyesopen.com>
239
240         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
241         (bswapdi2): New define_expand to implement 32-bit implementation.
242
243 2007-02-12  Nick Clifton  <nickc@redhat.com>
244
245         * doc/invoke.texi (Overall Options): Document --help=.
246         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
247         (cc1_options): Pass --help= on to cc1.
248         (display_help): Add description of --help=.
249         (process_command): Add code to handle --help=.  Allow translated
250         --help and --target-help switches to be passed on to compiler
251         sub-process.
252         (main): Remove unused if statement.
253         * opts.c (columns): Remove.
254         (LEFT_COLUMN): Define.
255         (wrap_help): Add columns argument.
256         (print_filtered_help): Change parameters to be an include bitmask,
257         an exclude bitmask, an any bitmask and the column width.  Move the
258         code to display the params list here.  Add code to display the
259         status of options rather than their descriptions if the quiet flag
260         is not active.
261         (print_specific_help): Change parameters to be an include bitmask,
262         an exclude bitmask and an any bitmask.  Move code to look up the
263         column width here.  Decide upon the title for an options listing.
264         (common_handle_options): Add code to handle --help=.  Adapt code
265         for --help and --target-help to use the revised form of the
266         print_specific_help function.
267         (print_help): Delete.
268         (print_param_help): Delete.
269         (print_switch): Delete.
270         * opts.h (cl_lang_count): Add prototype.
271         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
272         CL_MAX_OPTION_CLASS): New defines.
273         * optc-gen.awk: Add construction of cl_lang_count.
274         * c.opt: Add Warning attribute to warning options and Optimization
275         attribute to optimization options.
276         * common.opt: Likewise.
277         Add --help=.
278         Add -fhelp and -ftarget-help as aliases for the transformed --help
279         and --target-help options.
280         * opt-functions.awk: Add code to handle Warning and Optimization
281         attributes.
282
283 2007-02-12  Richard Henderson  <rth@redhat.com>
284
285         * config/alpha/constraints.md: New file.
286         * config/alpha/alpha.c: Include tm-constrs.h.
287         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
288         alpha_extra_constraint): Remove.
289         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
290         * config/alpha/alpha-protos.h: Update.
291         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
292         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
293         (EXTRA_CONSTRAINT): Remove.
294         * config/alpha/alpha.md: Include constraints.md.
295         (adddi splitter): Use satisfies_constraint_*.
296         * config/alpha/predicates.md (add_operand): Likewise.
297         (sext_add_operand, addition_operation): Likewise.
298
299 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
300
301         PR tree-optimization/29145
302         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
303         in our handling of restrict qualified pointers.
304
305 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
306
307         PR middle-end/7651
308         * doc/invoke.texi (Wunused-value): Update description.
309         (Wextra): Delete item.
310         * opts.c (set_Wextra): Don't use the value of Wextra to set the
311         value of Wunused-value.
312         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
313         (c_finish_stmt_expr): Don't check extra_warnings.
314         (emit_side_effect_warnings): The caller is responsible to check
315         warn_unused_value.
316         
317 2007-02-11  Roger Sayle  <roger@eyesopen.com>
318             Matt Thomas  <matt@3am-software.com>
319
320         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
321
322 2007-02-11  Roger Sayle  <roger@eyesopen.com>
323
324         * simplify-rtx.c (simplify_relational_operation_1): Optimize
325         comparisons of POPCOUNT against zero.
326         (simplify_const_relational_operation): Likewise.
327
328 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
329
330         * doc/invoke.texi (Wextra): Delete outdated paragraph.
331         
332 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
333
334         * dwarf2out.c (root_type): Delete unused function.
335         
336 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
337
338         * genattrtab.c (contained_in_p): Delete unused function.
339         (write_expr_attr_cache): Likewise.
340
341 2007-02-11  Jan Hubicka  <jh@suse.cz>
342
343         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
344         previous patch.
345
346 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
347
348         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
349         to add the REG_EQ* note.
350         * see.c (see_merge_one_use_extension): Likewise.
351         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
352         turn REG_EQUAL notes into REG_EQUIV notes if the target
353         register may have more than one set.
354         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
355         * gcse.c (try_replace_reg): Likewise.
356         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
357         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
358         more than one REG_EQUIV note.
359         * reload1.c (gen_reload): Use set_unique_reg_note.
360
361 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
362
363         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
364         (ix86_builtin_conversion): New function.
365
366 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
367
368         PR target/29487
369         * tree.h (DECL_REPLACEABLE_P): New macro.
370         * except.c (set_nothrow_function_flags): Likewise.
371
372 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
373             Ira Rosen  <irar@il.ibm.com>
374             Dorit Nuzman  <dorit@il.ibm.com>
375
376         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
377         * targhooks.c (default_builtin_vectorized_conversion): New.
378         * targhooks.h (default_builtin_vectorized_function): New declaration.
379         * target.h (struct vectorize): Add builtin_conversion field.
380         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
381         stmt_vec_info_type value.
382         (vectorizable_conversion): New declaration.
383         * tree-vect-analyze.c (vect_analyze_operations): Add
384         vectorizable_conversion call.
385         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
386         * tree-vect-transform.c (vectorizable_conversion): New function.
387         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
388         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
389         mode.
390         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
391         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
392         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
393         or ALTIVEC_BUILTIN_VCFSX.
394
395 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
396
397         PR target/30634
398         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
399         CONST_DOUBLE and operand 0 is a hard register.
400         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
401         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
402         is a hard floating-point register.
403
404 2007-02-10  Richard Henderson  <rth@redhat.com>
405             Jakub Jelinek  <jakub@redhat.com>
406             Alexandre Oliva  <aoliva@redhat.com>
407
408         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
409         * builtin-types.def (BT_WORD): Make unsigned.
410         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
411         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
412         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
413         * c-decl.c (grokdeclarator): Don't error if !have_tls.
414         * c-parser.c (c_parser_omp_threadprivate): Likewise.
415         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
416         emulated tls.
417         * expr.c (emutls_var_address): New.
418         (expand_expr_real_1): Expand emulated tls.
419         (expand_expr_addr_expr_1): Likewise.
420         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
421         * output.h (emutls_finish): Declare.
422         * toplev.c (compile_file): Call it.
423         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
424         address before wrapping in CONST.
425         * varasm.c (emutls_htab, emutls_object_type): New.
426         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
427         (get_emutls_object_name, get_emutls_object_type): New.
428         (get_emutls_init_templ_addr, emutls_decl): New.
429         (emutls_common_1, emutls_finish): New.
430         (assemble_variable): When emulating tls, swap decls; generate
431         constructor for the emutls objects.
432         (do_assemble_alias): When emulating tls, swap decl and target name.
433         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
434         for emulated tls.
435         * varpool.c (decide_is_variable_needed): Look at force_output.
436         Recurse for emulated tls.
437         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
438         with decide_is_variable_needed.
439         * emutls.c: New file.
440         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
441         tls_object for real tls.
442
443 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
444
445         PR rtl-optimization/29599
446         * reload1.c (eliminate_regs_in_insn): Take the destination
447         mode into account when computing the offset.
448
449 2007-02-09  Stuart Hastings  <stuart@apple.com>
450             Richard Henderson  <rth@redhat.com>
451
452         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
453         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
454         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
455         fixuns_truncdfhi2): New.
456         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
457         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
458         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
459         (floatunssidf2): Allow nonimmediate source.
460         * gcc/config/i386/sse.md (movdi_to_sse): New.
461         (vec_concatv2di): Drop '*'.
462         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
463         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
464         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
465         New.
466         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
467         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
468         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
469         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
470         (ix86_build_signbit_mask): Fix decl of v, refactor to call
471         ix86_build_const_vector.
472         (x86_emit_floatuns): Rewrite.
473
474 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
475
476         * genautomata.c (longest_path_length): Delete unused function.
477         (struct state): Delete unused longest_path_length.
478         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
479         (get_free_state): Delete unused.
480         
481 2007-02-09  Jan Hubicka  <jh@suse.cz>
482
483         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
484         * doc/invoke.texi (inline-unit-growth): Update default value.
485
486         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
487         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
488         (rebuild_cgraph_edges): Likewise.
489         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
490         (dump_cgraph_node): Dump frequencies.
491         (cgraph_clone_edge): Add frequency scales.
492         (cgraph_clone_node): Add freuqnecy.
493         * cgraph.h (cgraph_edge): Add freuqnecy argument.
494         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
495         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
496         * tree-pass.h (TODO_rebuild_frequencies): New constant.
497         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
498         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
499         (save_inline_function_body): Likewise.
500         * ipa-inline.c: inluce rtl.h
501         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
502         (cgraph_edge_badness): Use frequencies.
503         (cgraph_decide_recursive_inlining): Update clonning.
504         (cgraph_decide_inlining_of_small_function): Dump frequency.
505         * predict.c (estimate_bb_frequencies): Export.
506         * predict.h (estimate_bb_frequencies): Declare.
507         * tree-inline.c (copy_bb): Watch overflows.
508         (expand_call_inline): Update call of cgraph_create_edge.
509         (optimize_inline_calls): Use TODO flags to update frequnecies.
510         * passes.h: Include predict.h
511         (init_optimization_passes): Move profile ahead.
512         (execute_function_todo): Handle TODO_rebuild_frequencies.
513
514 2007-02-09  Roger Sayle  <roger@eyesopen.com>
515
516         * config/alpha/alpha.c (emit_insxl): Force the first operand of
517         the insbl or inswl pattern into a register.
518
519 2007-02-09  Roger Sayle  <roger@eyesopen.com>
520
521         * config/ia64/ia64.md (bswapdi2): New define_insn.
522
523 2007-02-09  Richard Henderson  <rth@redhat.com>
524
525         * config/i386/constraints.md (Ym): New constraint.
526         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
527         (movdi_1_rex64): Split sse and xmm general register moves from
528         memory move alternatives.  Use conditional register constraints.
529         (movsf_1, movdf_integer): Likewise.
530         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
531         (movdf_integer_rex64): New.
532         (pushsf_rex64): Fix output constraints.
533         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
534         (sse2_stored): Likewise.
535         (sse2_storeq_rex64): New.
536         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
537         amd and not generic.
538         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
539         for optimize_size.  Remove SF/DFmode hack.
540
541 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
542
543         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
544         (bit_SSE4a): New.
545
546 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
547             Richard Sandiford  <richard@codesourcery.com>
548
549         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
550         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
551         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
552         m68k/t-mlib to tmake_file.
553         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
554         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
555         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
556         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
557         variable is not empty, add t-$m68k_arch_family to tmake_file.
558         Add t-mlibs to tmake_file.
559         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
560         * config/m68k/t-cf: New file.
561         * config/m68k/t-m68k: Likewise.
562         * config/m68k/t-mlibs: Likewise.
563         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
564         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
565         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
566         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
567         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
568         Delete.
569         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
570         (INSTALL_LIBGCC): Delete.
571         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
572         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
573         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
574         (M68K_MLIB_CPU): Define.
575         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
576         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
577         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
578
579 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
580             Richard Guenther  <rguenther@suse.de>
581
582         PR middle-end/23361
583         * fold-const.c (fold_comparison): Handle obfuscated comparisons
584         against INT_MIN/INT_MAX.
585         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
586         file if a loop is removed.
587
588 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
589
590         * calls.c (store_one_arg): Pass correct alignment to
591         emit_push_insn for non-BLKmode values.
592         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
593         unaligned stack slot via a suitably aligned slot.
594
595 2007-02-08  DJ Delorie  <dj@redhat.com>
596
597         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
598         warnings.
599         (legal_subregs): Use unsigned char, make const.
600         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
601
602 2007-02-08  Paul Brook  <paul@codesourcery.com>
603
604         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
605         special interworking needed.
606
607 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
608
609         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
610         conditional to __SSE2__.
611         (Entries below should have been added to first ChangeLog
612         entry for amdfam10 dated 2007-02-05)
613         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
614         defined.
615         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
616         defined.
617         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
618         defined.
619
620 2007-02-08  DJ Delorie  <dj@redhat.com>
621
622         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
623         * config/m32c/m32c.c (legal_subregs): New.
624         (m32c_illegal_subreg_p): New.
625         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
626         unsupported subregs of hard regs.
627
628 2007-02-08  Jan Hubicka  <jh@suse.cz>
629
630         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
631         the same one; always update histograms.
632
633 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
634
635         * passes.c (init_optimization_passes): Tidy comment.
636
637 2007-02-08  Roger Sayle  <roger@eyesopen.com>
638
639         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
640         strip zero_extend, bswap and rotates from POCOUNT's argument.
641         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
642         zero_extend and rotates from PARITY's argument.
643         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
644         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
645         of an integer constant at compile-time.
646
647 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
648
649         PR 30562
650         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
651         Update all users.
652         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
653         users.
654         (init_alias_info):
655         * tree-ssa-live.c (remove_unused_locals): Do not remove
656         TREE_ADDRESSABLE variables.
657         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
658         * tree-ssa-operands.c (add_virtual_operand): Remove argument
659         FOR_CLOBBER.  Update all users.
660         If VAR has an associated alias set, add a virtual operand for
661         it if no alias is found to conflict with the memory reference.
662
663 2007-02-07  Jan Hubicka  <jh@suse.cz>
664             Robert Kidd <rkidd@crhc.uiuc.edu>
665
666         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
667
668 2007-02-07  Ian Lance Taylor  <iant@google.com>
669
670         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
671
672 2007-02-07  Roger Sayle  <roger@eyesopen.com>
673
674         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
675         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
676         tablejumpdi, movsi_to_cr_one): Remove constraints from
677         define_expand's match_operands.
678
679 2007-02-07  Roger Sayle  <roger@eyesopen.com>
680
681         * global.c (compute_regsets): Move declatation of "i" inside of
682         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
683
684 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
685
686         PR c++/30703
687         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
688         of INDIRECT_REF <RESULT_DECL>.
689
690         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
691
692 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
693             Kaz Kojima  <kkojima@gcc.gnu.org>
694
695         PR target/29746
696         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
697         properly.
698         (sh_initialize_trampoline): Add parentheses to avoid a warning.
699
700 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
701
702         * doc/loop.texi: Document possibility not to perform disambiguation
703         of loops with multiple latches.
704         * cfgloopmanip.c (alp_enum_p): Removed.
705         (add_loop): Handle subloops.  Use get_loop_body_with_size.
706         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
707         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
708         the new forwarder block.
709         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
710         Handle the case latch is NULL.
711         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
712         when marking loop exits.
713         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
714         be modified.
715         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
716         disambiguate_loops_with_multiple_latches.
717         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
718         before fix_loop_structure.
719         * cfgloop.c: Include pointer-set.h and output.h.
720         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
721         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
722         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
723         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
724         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
725         disambiguate_multiple_latches, get_loop_body_with_size,
726         disambiguate_loops_with_multiple_latches): New functions.
727         (flow_loop_dump): Dump multiple latch edges.
728         (flow_loop_nodes_find): Handle loops with multiple latches.
729         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
730         (glb_enum_p): Modified.
731         (get_loop_body): Use get_loop_body_with_size.
732         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
733         (AVOID_CFG_MODIFICATIONS): New constant.
734         (disambiguate_loops_with_multiple_latches, add_loop,
735         get_loop_body_with_size): Declare.
736         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
737
738 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
739
740         PR inline-asm/28686
741         * global.c (compute_regsets): New function.
742         (global_alloc): Refactored ELIMINABLE_REGSET
743         and NO_GLOBAL_ALLOC_REGS computation out.
744         (rest_of_handle_global_alloc): Call compute_regsets()
745         for non-optimizing case.
746
747 2007-02-06  Richard Henderson  <rth@redhat.com>
748
749         * config/i386/constraints.md (Y2): Rename from Y.
750         (Yi): New constraint.
751         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
752         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
753         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
754         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
755         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
756         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
757         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
758         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
759         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
760         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
761         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
762         vec_extractv2si_1): Change Y constraints to Y2.
763         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
764         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
765         Change Y constraints to Y2.
766         (sse2_loadld): Change Y constraints to x.
767
768 2007-02-06  Roger Sayle  <roger@eyesopen.com>
769
770         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
771         (parity<mode>2): New define_expand using rs6000_emit_parity.
772         * config/rs6000/rs6000.c (rs6000_emit_popcount,
773         rs6000_emit_parity): New functions.
774         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
775         rs6000_emit_parity): Prototype here.
776
777 2007-02-06  Ian Lance Taylor  <iant@google.com>
778
779         * lower-subreg.c (simple_move_operand): Reject CONST.
780         (resolve_clobber): Call validate_change rather than directly
781         assigning to XEXP (pat, 0).
782
783 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
784
785         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
786         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
787         (tree-cfg.o): Remove hashtab.h dependency.
788
789         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
790         (struct ivopts_data): Change niters to pointer_map_t.
791         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
792         (niter_for_exit): Create pointer_map on demand.  Change for
793         pointer_map API.
794         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
795         (free_loop_data): Destroy data->niters if created and reset field.
796         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
797         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
798
799         * tree-ssa-reassoc.c: Include pointer-set.h.
800         (bb_rank): Change to long *.
801         (operand_rank): Change to pointer_map_t.
802         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
803         (insert_operand_rank): Accept long.
804         (operand_entry_hash, operand_entry_eq): Remove.
805         (get_rank): Return long.  Adjust for changes above.
806         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
807         and operand_rank.
808         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
809
810         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
811         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
812         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
813         is not NULL.
814         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
815         directly since it cannot be NULL.
816         (get_vi_for_tree): Rewrite for pointer_map API.
817         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
818         (init_alias_vars): Create vi_for_tree as pointer_map.
819         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
820
821         * tree-cfg.c: Don't include hashtab.h.
822         (edge_to_cases): Declare as pointer_map.
823         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
824         Delete.
825         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
826         (start_recording_case_labels): Create edge_to_cases as pointer_map.
827         (end_recoding_case_labels): Cleanup edge_to_cases manually before
828         destroying it.
829         (record_switch_edge): Delete.
830         (get_cases_for_edge): Adjust for pointer_map API, inline
831         record_switch_edge (rewritten for new API), remove goto.
832
833 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
834
835         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
836         * tree-nested.c: Include pointer-set.h.
837         (var_map_elt, var_map_eq, var_map_hash): Delete.
838         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
839         to pointer_map_t's.
840         (nesting_info_bitmap_obstack): New.
841         (lookup_field_for_decl): Adjust for pointer_map API.
842         (lookup_tramp_for_decl): Adjust for pointer_map API.
843         (get_nonlocal_debug_decl): Adjust for pointer_map API.
844         (get_local_debug_decl): Adjust for pointer_map API.
845         (convert_nl_goto_reference): Adjust for pointer_map API.
846         (convert_nl_goto_receiver): Adjust for pointer_map API.
847         (create_nesting_tree): Create outside GGC space.  Create bitmap on
848         the new obstack.  Create field_map and var_map as pointer_maps.
849         (free_nesting_tree): Adjust for changes to create_nesting_tree.
850         (root): Delete. 
851         (lower_nested_functions): Move root here, no need to NULL it.
852         Initialize and release the obstack.
853
854 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
855
856         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
857         Remove prototypes and make them non-static.
858         (struct tree_int_map): Remove.
859         * tree.h (struct tree_int_map): Move here, turning TO into an
860         unsigned int.
861         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
862
863         * tree.h (TREE_COMPLEXITY): Remove.
864         (struct tree_exp): Remove complexity field.
865         * tree.c (build1_stat): Don't set it.
866
867 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
868             Victor Kaplansky  <victork@il.ibm.com>
869
870         * tree-vectorizer.c (vect_is_simple_use): Support induction.
871         (vect_is_simple_reduction): Support reduction with induction as
872         one of the operands.
873         (vect_is_simple_iv_evolution): Fix formatting.
874         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
875         formatting.  Don't mark induction phis for vectorization.
876         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
877         * tree-vect-transform.c (get_initial_def_for_induction): New function.
878         (vect_get_vec_def_for_operand): Support induction.
879         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
880         induction case.
881         (vectorizable_reduction): Support reduction with induction as one of 
882         the operands. 
883         (vectorizable_type_demotion): Use def-type of stmt argument rather
884         than dummy def-type.
885
886         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
887         flag_tree_scev_cprop.
888         * common.opt (tree-scev-cprop): New flag.
889
890         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
891         call to vect_get_new_vect_var.
892
893 2007-02-06  Ira Rosen  <irar@il.ibm.com>
894
895         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
896         vectype is not NULL.
897         (vect_pattern_recog_1): Likewise.
898
899 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
900
901         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
902         (fold_negate_expr): Likewise.
903
904 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
905
906         PR debug/30189
907         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
908         even if cv-qualification is the same.
909
910 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
911
912         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
913         __enable_execute_stack on completion.
914
915 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
916
917         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
918         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
919         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
920         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
921         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
922         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
923         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
924         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
925
926 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
927
928         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
929         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
930         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
931         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
932         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
933         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
934         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
935         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
936         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
937         umuldi3_highpart_rex64, umulsi3_highpart_insn,
938         umulsi3_highpart_zext, smuldi3_highpart_rex64,
939         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
940         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
941         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
942         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
943         sqrtextenddfxf2_i387): Added amdfam10_decode.
944         
945         * config/i386/athlon.md (athlon_idirect_amdfam10,
946         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
947         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
948         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
949         athlon_ivector_store_amdfam10): New define_insn_reservation.
950         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
951         amdfam10.
952
953 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
954
955         * config/i386/athlon.md (athlon_call_amdfam10,
956         athlon_pop_amdfam10, athlon_lea_amdfam10): New
957         define_insn_reservation.
958         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
959         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
960         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
961
962 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
963
964         * config/i386/athlon.md (athlon_sseld_amdfam10,
965         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
966         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
967
968 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
969
970         * config/i386/athlon.md (athlon_sseins_amdfam10): New
971         define_insn_reservation.
972         * config/i386/i386.md (sseins): Added sseins to define_attr type
973         and define_attr unit.
974         * config/i386/sse.md: Set type attribute to sseins for insertq
975         and insertqi.
976
977 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
978
979         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
980         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
981         ssecomi_load_amdfam10, ssecomi_amdfam10,
982         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
983         define_insn_reservation.
984         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
985
986 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
987
988         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
989         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
990         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
991         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
992         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
993         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
994         define_insn_reservation.
995
996         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
997         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
998         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
999         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
1000         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
1001
1002 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1003
1004         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
1005         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
1006         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
1007         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
1008         athlon_ssemul_load_k8): Added amdfam10.
1009
1010 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1011
1012         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
1013         (x86_sse_unaligned_move_optimal): New variable.
1014         
1015         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
1016         m_AMDFAM10.
1017         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
1018         for unaligned vector SSE double/single precision loads for AMDFAM10.
1019
1020 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1021
1022         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
1023         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
1024         Define TARGET_CPU_DEFAULT_amdfam10.
1025         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
1026         (processor_type): Add PROCESSOR_AMDFAM10.       
1027         
1028         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
1029         processor_type in config/i386/i386.h.
1030         Enable imul peepholes for TARGET_AMDFAM10.
1031         
1032         * config.gcc: Add support for --with-cpu option for amdfam10.
1033         
1034         * config/i386/i386.c (amdfam10_cost): New variable.
1035         (m_AMDFAM10): New macro.
1036         (m_ATHLON_K8_AMDFAM10): New macro.
1037         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1038         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
1039         x86_promote_QImode, x86_integer_DFmode_moves,
1040         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
1041         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
1042         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
1043         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
1044         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
1045         Enable/disable for amdfam10.
1046         (override_options): Add amdfam10_cost to processor_target_table.
1047         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
1048         processor_alias_table.
1049         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
1050         (ix86_adjust_cost): Add code for amdfam10.
1051
1052 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1053         
1054         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
1055         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
1056         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
1057         * config/i386/i386.h: Add builtin definition for SSE4A.
1058         * config/i386/i386.md: Add support for ABM instructions 
1059         (popcnt and lzcnt).
1060         * config/i386/sse.md: Add support for SSE4A instructions
1061         (movntss, movntsd, extrq, insertq).
1062         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
1063         Add -march=amdfam10 flag.
1064         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
1065         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
1066         and amdfam10.
1067         * doc/extend.texi: Add documentation for SSE4A builtins.
1068
1069 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
1070
1071         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
1072
1073 2007-02-05  Richard Guenther  <rguenther@suse.de>
1074
1075         * tree-vectorizer.h (vectorizable_function): Add argument type
1076         argument, change return type.
1077         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
1078         * tree-vect-transform.c (vectorizable_function): Handle extra
1079         argument, return vectorized function decl.
1080         (build_vectorized_function_call): Remove.
1081         (vectorizable_call): Handle calls with result and argument types
1082         differing.  Handle loop vectorization factor correctly.
1083         * targhooks.c (default_builtin_vectorized_function): Adjust for
1084         extra argument.
1085         * targhooks.h (default_builtin_vectorized_function): Likewise.
1086         * target.h (builtin_vectorized_function): Add argument type
1087         argument.
1088         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
1089         extra argument, allow vectorizing of lrintf.
1090         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
1091         documentation of target hook.
1092
1093 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
1094
1095         PR target/30665
1096         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
1097         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
1098         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
1099
1100 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1101
1102         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
1103         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
1104         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
1105         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
1106         before canonicalizing sincos to cexpi.
1107         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
1108
1109 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1110
1111         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
1112         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
1113         (alpha_init_builtins): Use alpha_add_builtins to process tables.
1114
1115 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1116
1117         * mips-tfile.c (initialize_init_file): Correct endianness test.
1118
1119 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
1120
1121         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
1122         the 'y' constraint.
1123
1124 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1125
1126         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
1127         saves in a PARALLEL before the register assignments.
1128
1129 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1130
1131         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
1132         DWARF_FRAME_RETURN_COLUMN to be a general register.
1133         * dwarf2out.c (init_return_column_size): New function, split from...
1134         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
1135         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
1136         to be nongeneral registers.
1137         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
1138         integer registers.
1139         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
1140         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
1141
1142 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1143
1144         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
1145
1146 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1147
1148         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
1149         (remove_path): Use can_remove_branch_p and remove_branch instead
1150         of loop_delete_branch_edge.
1151         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
1152         (tree_transform_and_unroll_loop): Remove dead branches immediately.
1153         Update profile using scale_dominated_blocks_in_loop.
1154         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
1155         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
1156         (can_remove_branch_p, remove_branch): Declare.
1157         * tree-cfg.c (tree_can_remove_branch_p): New function.
1158         (tree_cfg_hooks): Add tree_can_remove_branch_p.
1159         * cfgrtl.c (rtl_can_remove_branch_p): New function.
1160         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
1161
1162 2007-02-05  Jan Hubicka  <jh@suse.cz>
1163
1164         PR middle-end/30696
1165         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
1166         nodes in cgraph, don't remove offline copy of the function.
1167
1168 2007-02-04  Jan Hubicka  <jh@suse.cz>
1169
1170         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
1171         vectors might cause maybe_lookup_element_for_expr to be called
1172         on non-sra-candidate.
1173
1174 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1175
1176         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
1177         config/bfin/bfin.md, config/bfin/predicates.md: Follow
1178         spelling conventions.
1179
1180 2007-02-04  Richard Guenther  <rguenther@suse.de>
1181
1182         PR middle-end/30636
1183         * fold-const.c (try_move_mult_to_index): Make sure to not
1184         overflow one dimension of a multi-dimensional array access.
1185
1186 2007-02-04  Jan Hubicka  <jh@suse.cz>
1187
1188         * passes.c (init_optimization_passes): Reindent.
1189
1190 2007-02-04  Jan Hubicka  <jh@suse.cz>
1191             Eric Botcazou  <ebotcazou@adacore.com>
1192
1193         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
1194         (execute_fixup_cfg): Break out the abnormal goto code.
1195         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
1196         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
1197         (optimize_inline_calls): Call make_nonlocal_label_edges.
1198
1199 2007-02-04  Jan Hubicka  <jh@suse.cz>
1200
1201         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
1202         true when something was changed.
1203         (rename_ssa_copies): When something was changed, do
1204         TODO_remove_unused_locals.
1205         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1206         add TODO_remove_unused_locals when instruction was removed.
1207
1208 2007-02-04  Jan Hubicka  <jh@suse.cz>
1209
1210         * ipa-inline.c (try_inline): Improve debug output; work on already
1211         inline edges too.
1212         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
1213         call try_inline for already inlined edges too when flattening; 
1214         inline also functions that make callee growth but overall unit size
1215         reduce.
1216
1217 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1218
1219         * config/m32c/bitops.md, config/m32c/jump.md,
1220         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
1221         config/m32r/m32r.h, config/m32r/m32r.md,
1222         config/m32r/predicates.md, config/m68hc11/larith.asm,
1223         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1224         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
1225         config/mips/mips-protos.h, config/mips/mips.c,
1226         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
1227         config/mn10300/mn10300.h, config/mn10300/predicates.md,
1228         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
1229         spelling conventions.
1230
1231         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
1232         Follow spelling conventions.
1233
1234 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
1235
1236        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
1237        warn about C++0x compatibility.
1238         
1239 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1240
1241         * config/h8300/h8300.c, config/h8300/h8300.h,
1242         config/h8300/h8300.md: Follow spelling conventions.
1243
1244 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
1245
1246         PR middle-end/30667
1247         * combine.c (try_combine): Do not substitute source operand
1248         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
1249
1250 2007-02-03  Jan Hubicka  <jh@suse.cz>
1251
1252         PR gcov-profile/30650
1253         * value-prof.c (stringop_block_profile): Fix handling of size counter;
1254         do not divide by zero for never executed counters.
1255         (tree_find_values_to_profile): Fix counters.
1256         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
1257
1258 2007-02-03  Ian Lance Taylor  <iant@google.com>
1259
1260         * lower-subreg.c (simple_move_operand): New static function,
1261         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
1262         operands.
1263         (simple_move): Call simple_move_operand.
1264         (find_decomposable_subregs): Add special handling of MEMs.
1265         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
1266         meaning of return value.  If we see a hard register, test whether
1267         it can store a word_mode value.  Change all callers.
1268
1269 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1270
1271         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
1272         ftrapv insns and expanders.
1273         (subdi3): Change define_expand operand 1 to arith11_operand, and
1274         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
1275         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
1276         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
1277         respectively.
1278
1279         PR middle-end/30174
1280         * varasm.c (notice_global_symbol): Treat global objects as weak when
1281         flag_shlib is true.
1282
1283 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1284
1285         * emit-rtl.c (dconstpi): Delete.
1286         (dconstsqrt2): New.
1287         (init_emit_once): Delete dconstpi and init dconstsqrt2.
1288         * real.h (dconstpi): Delete.
1289         (dconstsqrt2): New.
1290         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1291         (fold_builtin_hypot): Likewise.
1292
1293 2007-02-03  Tom Tromey  <tromey@redhat.com>
1294
1295         PR driver/30246
1296         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1297         -gcoff3, -gxcoff3, -gvms3 implies -dD.
1298
1299 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
1300
1301         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1302         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1303         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1304         config/rs6000/cell.md, config/rs6000/darwin.h,
1305         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1306         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1307         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1308         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1309         typos.  Follow spelling conventions.
1310         * doc/invoke.texi: Follow spelling conventions.
1311
1312 2007-02-03  Roger Sayle  <roger@eyesopen.com>
1313
1314         * simplify-rtx.c (simplify_relational_operation_1): Implement some
1315         canonicalization transformations that attempt to simplify integer
1316         constant comparisons to become comparisons against zero.
1317
1318 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1319
1320         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1321         fabs(x)*sqrt(2).
1322         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
1323         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
1324
1325 2007-02-02  Mike Stump  <mrs@apple.com>
1326
1327         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1328         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1329         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1330         generate a branch island.
1331
1332 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
1333
1334         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1335         (xtensa_legitimate_address_p): New.
1336         (xtensa_legitimize_address): New.
1337         (xtensa_output_addr_const_extra): New.
1338         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1339         (BASE_REG_P): New.
1340         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1341         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1342         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1343         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1344         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1345         (xtensa_legitimize_address): New.
1346         (xtensa_output_addr_const_extra): New.
1347
1348 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
1349
1350         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1351
1352 2007-02-02  Ian Lance Taylor  <iant@google.com>
1353
1354         * expmed.c (expand_divmod): Add comment.
1355
1356 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
1357
1358         * emit-rtl.c (renumber_insns): Remove.
1359         * flags.h: Remove the extern for flag_renumber_insns.
1360         * rtl.h: Remove the prototype for renumber_insns.
1361         * toplev.c (flag_renumber_insns): Remove.
1362
1363 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
1364
1365         Revert for x86 darwin:
1366         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1367         
1368         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1369         code before the following patch under TARGET_MACHO.
1370         (ix86_function_value_regno_p): Likewise.
1371
1372 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1373
1374         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1375         COMPLEX_EXPR.
1376
1377 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1378
1379         PR target/29682
1380         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1381         general or fp registers.  Add comments.
1382         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1383
1384 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
1385
1386         * pointer-set.c (insert_aux): Only return insertion slot.
1387         (pointer_set_insert): Adjust.
1388         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1389         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1390         pointer_map_traverse): New.
1391         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1392         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
1393         pointer_map_contains, pointer_map_traverse): Declare.
1394
1395 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
1396
1397         PR middle-end/30473
1398         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1399         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
1400
1401 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1402
1403         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1404         
1405         (struct _dep): New type.
1406         (dep_t): New typedef.
1407         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1408         (DEP_STATUS): New access macro.  The macro with the same name was
1409         renamed to DEP_LINK_STATUS.
1410         (dep_init): Declare function
1411
1412         (struct _dep_link): New type.
1413         (dep_link_t): New typedef.
1414         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1415         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1416         (DEP_LINK_STATUS): New macro.
1417         (debug_dep_links): New debug function.
1418
1419         (struct _deps_list): New type.
1420         (deps_list_t): New typedef.
1421         (DEPS_LIST_FIRST): New access macro.
1422         (FOR_EACH_DEP_LINK): New cycle macro.
1423         (create_deps_list, free_deps_list, delete_deps_list): Declare
1424         functions.
1425         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1426         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1427         (copy_deps_list_change_con): Ditto.
1428
1429         (move_dep_link): Declare function.
1430
1431         (struct _dep_node): New type.
1432         (dep_node_t): New typedef.
1433         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1434
1435         (struct haifa_insn_data.back_deps): New field to hold backward
1436         dependencies of the insn.
1437         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
1438         to deps_list_t.
1439         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1440         Change its type to deps_list_t.
1441         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1442         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1443         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1444
1445         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
1446         
1447         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
1448
1449         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1450         all callers.
1451         (dep_cost): Declare.
1452         
1453         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1454         (ds_to_dk, dk_to_ds): New functions.
1455         
1456         (init_dep_1): New static function.
1457         (init_dep): New function.
1458         (copy_dep): New static function.
1459         
1460         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1461         functions.
1462         (detach_dep_link): New static function.
1463         (move_dep_link): New function.
1464         
1465         (dep_links_consistent_p, dump_dep_links): New static functions.
1466         (debug_dep_links): New debugging function.
1467         
1468         (deps_obstack, dl_obstack, dn_obstack): New static variables.
1469         
1470         (alloc_deps_list, init_deps_list): New static functions.
1471         (create_deps_list): New function.
1472         (clear_deps_list): New static function.
1473         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1474         (deps_list_consistent_p, dump_deps_list): New static functions.
1475         (debug_deps_list): New function.
1476         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1477         functions.
1478         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1479
1480         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1481         use new scheduler dependencies lists.
1482         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1483         (sched_analyze): Ditto.  Initialize dependencies lists.
1484         (add_forw_dep, compute_forward_dependences): Update to use new
1485         scheduler dependencies lists.
1486         
1487         (init_dependency_caches): Init deps_obstack.
1488         (free_dependency_caches): Free deps_obstack.
1489         
1490         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1491         new scheduler dependencies lists.
1492         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1493         (add_back_forw_dep, delete_back_forw_dep): Ditto.
1494
1495         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1496         Update to use new scheduler dependencies lists.
1497         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1498         (debug_dependencies): Ditto.
1499         (schedule_region): Update comments.
1500         
1501         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1502         scheduler dependencies lists.
1503         (schedule_ebb): Update comments.
1504         
1505         * rtl.def (DEPS_LIST): Remove.
1506         
1507         * lists.c (unused_deps_list): Remove.
1508         (free_list): Update assertions.
1509         
1510         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1511         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1512
1513         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1514         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1515         
1516         * haifa-sched.c (comments): Update.
1517         (insn_cost1): Remove.  Inline the code into insn_cost ().
1518         (insn_cost): Update to use new scheduler dependencies lists.  Move
1519         processing of the dependency cost to dep_cost ().
1520         (dep_cost): New function.  Use it instead of insn_cost () when
1521         evaluating cost of the dependency.  Use compatible interface to
1522         interact with the target.
1523         (priority): Update to use new scheduler dependencies lists.
1524         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
1525         with greater number of insns that depend on the insn.
1526         (schedule_insn): Update to use new scheduler dependencies lists.  Add
1527         code to free backward dependencies lists.  Inline and optimize code
1528         from resolve_dep () - see PR28071.
1529         (ok_for_early_queue_removal): Update to use new scheduler dependencies
1530         lists.  Update call to targetm.sched.is_costly_dependence hook.
1531         
1532         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1533         scheduler dependencies lists.
1534         
1535         (resolve_dep): Remove.  Move the logic to schedule_insn ().
1536         (init_h_i_d): Initialize dependencies lists.
1537         
1538         (process_insn_depend_be_in_spec): Rename to
1539         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
1540         dependencies lists.
1541         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1542         Update to use new scheduler dependencies lists.
1543         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1544         
1545         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1546         new scheduler dependencies lists.
1547         (build_intra_loop_deps): Ditto.
1548         
1549         * target.h (struct _dep): Declare to use in
1550         gcc_target.sched.is_costly_dependence.
1551         (struct gcc_target.sched.adjust_cost): Fix typo.
1552         (struct gcc_target.sched.is_costly_dependence): Change signature to use
1553         single dep_t parameter instead of an equivalent triad.
1554         (struct gcc_target.sched.adjust_cost_2): Remove.
1555
1556         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1557
1558         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1559
1560         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1561         documentation.
1562         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1563
1564         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1565         (REG_DEP_TRUE): Document.
1566         
1567         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1568         Change signature to correspond to the targetm.sched.adjust_cost hook.  
1569         Update use in TARGET_SCHED_ADJUST_COST_2.
1570         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1571         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1572         new scheduler dependencies lists.
1573         (ia64_gen_check): Ditto.
1574
1575         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1576         dependencies lists.
1577         
1578         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1579         signature to correspond to the targetm.sched.is_costly_dependence hook.
1580         (is_costly_group): Update to use new scheduler dependencies lists.
1581
1582         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1583         instead of INSN_COST () macro.
1584
1585 2007-02-01  Ian Lance Taylor  <iant@google.com>
1586
1587         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1588
1589 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
1590
1591         * pa.md (tp_load): Correct mfctl instruction syntax.
1592
1593 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
1594
1595         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1596         altivec_padding_size calculation on AIX.  Improve comment, add
1597         assert to verify that it's right.
1598
1599         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1600         64-bit.
1601
1602 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
1603
1604         PR inline-asm/28686
1605         * global.c (global_alloc): Add mising initialization of
1606         ELIMINABLE_REGSET.
1607
1608 2007-02-01  Roger Sayle  <roger@eyesopen.com>
1609
1610         * alias.c (init_alias_analysis): Correct whitespace.
1611         * bb-reorder.c (fix_edges_for_rarely_executed_code,
1612         partition_hot_cold_basic_blocks): Likewise.
1613         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1614         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1615         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1616         fold_builtin_snprintf_chk, fold_builtin_printf,
1617         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1618         do_mpfr_arg3, do_mpfr_sincos): Likewise.
1619         * cfgcleanup.c (cleanup_cfg): Likewise.
1620         * cfgexpand.c (tree_expand_cfg): Likewise.
1621         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1622         * function.c (get_next_funcdef_no): Likewise.
1623         * gengtype.c (main): Likewise.
1624         * genmodes.c (main): Likewise.
1625         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1626         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1627         * ifcvt.c (noce_emit_move_insn): Likewise.
1628         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1629         Likewise.
1630         * stor-layout.c (get_best_mode): Likewise.
1631         * tree-ssa-loop-niter.c (get_val_for): Likewise.
1632         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1633         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1634         perform_var_substitution, solve_graph): Likewise.
1635         * tree-vrp.c (vrp_finalize): Likewise.
1636
1637 2007-02-01  Ian Lance Taylor  <iant@google.com>
1638
1639         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1640         high part of a paradoxical subreg, return a constant zero.
1641
1642 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
1643
1644         * toplev.c (lang_dependent_init): Call init_set_costs.
1645         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1646
1647 2007-02-01  Richard Guenther  <rguenther@suse.de>
1648
1649         PR middle-end/30656
1650         * fold-const.c (fold_negate_expr): Allow negating a
1651         constant if overflow does not change.
1652
1653 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1654
1655         * doc/c-tree.texi (Expression trees): Improve markup.
1656         * doc/tm.texi (Register Classes, Addressing Modes)
1657         (Floating Point): Fix spacing after abbreviations.  Fix some
1658         typos.
1659
1660 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1661
1662         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1663         * doc/contrib.texi: Likewise.
1664         * doc/install.texi: Likewise.
1665
1666 2007-01-31  Richard Henderson  <rth@redhat.com>
1667             Ian Lance Taylor  <iant@google.com>
1668
1669         * lower-subreg.c: New file.
1670         * rtl.def (CONCATN): Define.
1671         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1672         pass_lower_subreg2.
1673         * emit-rtl.c (update_reg_offset): New static function, broken out
1674         of gen_rtx_REG_offset.
1675         (gen_rtx_REG_offset): Call update_reg_offset.
1676         (gen_reg_rtx_offset): New function.
1677         * regclass.c: Revert patch of 2006-03-05, restoring
1678         reg_scan_update.
1679         (clear_reg_info_regno): New function.
1680         * dwarf2out.c (concatn_loc_descriptor): New static function.
1681         (loc_descriptor): Handle CONCATN.
1682         * common.opt (fsplit_wide_types): New option.
1683         * opts.c (decode_options): Set flag_split_wide_types when
1684         optimizing.
1685         * timevar.def (TV_LOWER_SUBREG): Define.
1686         * rtl.h (gen_reg_rtx_offset): Declare.
1687         (reg_scan_update): Declare.
1688         * regs.h (clear_reg_info_regno): Declare.
1689         * tree-pass.h (pass_lower_subreg): Declare.
1690         (pass_lower_subreg2): Declare.
1691         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1692         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1693         -fsplit-wide-types.
1694         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1695         * Makefile.in (OBJS-common): Add lower-subreg.o.
1696         (lower-subreg.o): New target.
1697
1698 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1699
1700         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1701
1702 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1703
1704         PR target/19087
1705         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1706
1707 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1708
1709         PR middle-end/29335
1710         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1711
1712 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1713
1714         * cfgloop.h: Include vec-prim.h.
1715         (enum li_flags): Remove LI_ONLY_OLD.
1716         (loop_iterator): Changed.
1717         (fel_next, fel_init): Iterate over loop tree.
1718         (FOR_EACH_LOOP_BREAK): New macro.
1719         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1720         FOR_EACH_LOOP.
1721         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1722         * modulo-sched.c (sms_schedule): Ditto.
1723         * tree-vectorizer.c (vectorize_loops): Ditto.
1724         * doc/loop.texi: Update information on loop numbering and behavior of
1725         FOR_EACH_LOOP wrto new loops.
1726         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1727         add_to_evolution_1): Test nestedness of loops instead of comparing
1728         their numbers.
1729         * tree-chrec.c (chrec_fold_plus_poly_poly,
1730         chrec_fold_multiply_poly_poly, chrec_evaluate,
1731         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1732         reset_evolution_in_loop): Ditto.
1733         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1734
1735 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1736
1737         * c-common.c (warn_about_parentheses): Separate warning about
1738         un-parenthized sequence of comparison operators from the one
1739         which is supposed to warn about x <= y <= z.
1740
1741 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1742
1743         * optabs.h (enum optab_index): Add new OTI_isinf.
1744         (isinf_optab): Define corresponding macro.
1745         * optabs.c (init_optabs): Initialize isinf_optab.
1746         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1747         patterns.
1748         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1749         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1750         using isinf_optab.
1751         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1752         expand_builtin_interclass_mathfn.
1753         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1754         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1755         (fxam<mode>2_i387): New insn pattern.
1756         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1757         built-in functions as x87 inline asm.
1758
1759 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1760
1761         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1762
1763 2007-01-30  Eric Christopher  <echristo@apple.com>
1764
1765         * config.gcc: Add geode.
1766
1767 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1768
1769         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1770         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1771         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1772         value-prof.c: Fix comment typos.
1773
1774 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1775
1776         PR c++/24745
1777         * doc/invoke.texi (Wpointer-arith): Document warning.
1778
1779 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
1780
1781         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1782         the list of discrepancies from the draft TR.
1783
1784 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1785
1786         PR c++/30601
1787         * doc/invoke.texi (-Wreturn-type): Update description to
1788         match new behavior.
1789
1790 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1791
1792         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1793
1794 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1795
1796         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1797         to handle optabs that operate on floating point input argument and
1798         output to integer output.
1799         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1800         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1801         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1802         expand_builtin_interclass_mathfn ().
1803         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1804         (ilogbsi2): Remove.
1805         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1806         ilogbl built-in functions as x87 intrinsics.
1807
1808 2007-01-30  Richard Guenther  <rguenther@suse.de>
1809
1810         PR middle-end/27657
1811         * dwarf2out.c (reference_to_unused): Query varpool if the
1812         variable was output.
1813
1814 2007-01-30  Richard Guenther  <rguenther@suse.de>
1815
1816         PR middle-end/30313
1817         * passes.c (execute_one_pass): Reset in_gimple_form to not
1818         confuse non-unit-at-a-time mode.
1819
1820 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1821             Richard Guenther  <rguenther@suse.de>
1822
1823         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1824         avoid undefined behaviour on overflow.  Use force_fit_type_double
1825         to construct the constant with the specified TREE_OVERFLOW.
1826
1827 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1828
1829         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1830         * config/dfp-bit.h: Ditto.
1831
1832 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1833
1834         * c-decl.c (pop_scope): Replace warnings with call to
1835         warn_for_unused_label.
1836         * c-common.h (warn_for_unused_label): Declare.
1837         * c-common.c (warn_for_unused_label): Define.
1838
1839 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1840
1841         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1842         function.
1843
1844 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1845
1846         * Makefile.in (USER_H): Remove decfloat.h.
1847         * ginclude/decfloat.h: Delete, moving contents to ...
1848         * ginclude/float.h: Add support for decimal floating point,
1849         guarded by __STDC_WANT_DEC_FP__.
1850
1851 2007-01-29  Mike Stump  <mrs@apple.com>
1852
1853         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1854         Analysis and Representation to resolve case insensitive conflict.
1855         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1856
1857 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1858
1859         * tree.h (struct tree_memory_tag): Add aliases member.
1860         (MTAG_ALIASES): New macro.
1861         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1862         (add_may_alias): Remove pointer-set. Update for may_aliases being
1863         a bitmap.
1864         (mark_aliases_call_clobbered): Update for may_aliases being a
1865         bitmap.
1866         (compute_tag_properties): Ditto.
1867         (create_partition_for): Ditto.
1868         (compute_memory_partitions): Ditto.
1869         (dump_may_aliases_for): Ditto.
1870         (is_aliased_with): Ditto.
1871         (add_may_alias_for_new_tag): Ditto.
1872         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1873         (compute_is_aliased): New function.
1874         (compute_may_aliases): Call compute_is_aliased).
1875         (init_alias_info): Initialize alias_bitmap_obstack.
1876         (union_alias_set_into): New function.
1877         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1878         (have_common_aliases_p): Rewrite to take two bitmaps and use
1879         intersection.
1880         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1881         Update for bitmaps.
1882         (finalize_ref_all_pointers): Update for add_may_alias changes.
1883         (new_type_alias): Ditto.
1884         * tree-flow-inline.h (may_aliases): Return a bitmap.
1885         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1886         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1887         may_aliases being a bitmap.
1888         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1889         may_aliases now returns a bitmap.
1890         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1891         being a bitmap.
1892         * tree-ssa-operands.c (add_virtual_operand): Update for
1893         may_aliases being a bitmap.
1894
1895 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1896
1897         PR tree-optimization/30630
1898         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1899         variable as changed.
1900
1901 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1902
1903         PR c++/28266
1904         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1905         expanded only once even if an error occurs.
1906
1907 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1908
1909         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1910         (__gcov_average_profiler): Likewise.
1911         (__gcov_ior_profiler): Likewise.
1912         (__gcov_merge_ior): Likewise.
1913
1914 2007-01-28  Jan Hubicka  <jh@suse.cz>
1915
1916         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1917         * value-prof.c (stringop_block_profile): Likewise.
1918
1919 2007-01-28  Jan Hubicka  <jh@suse.cz>
1920
1921         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1922         variant handling histograms; add wrapper.
1923         (clear_storage_via_libcall): Export.
1924         (emit_block_move_hints): Break out from ...; add histograms.
1925         (emit_block_move): ... this one.
1926         (clear_storage_hints): Break out from ...; add histograms.
1927         (clear_storage): ... this one.
1928         (set_storage_via_memset): Handle histogram.
1929         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1930         (clear_storage_hints, clear_storage_via_libcall): Declare.
1931         (set_storage_via_setmem): Update prototype.
1932         * doc/md.texi (movmem, setmem): Document new arguments.
1933
1934         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1935         new histograms.
1936         (stringop_block_profile): New global function.
1937         (tree_stringops_values_to_profile): Profile block size and alignment.
1938         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1939         HIST_TYPE_IOR.
1940         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1941         (stringop_block_profile): Declare.
1942         * builtins.c: Include value-prof.h.
1943         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1944         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1945         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1946         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1947         * profile.c (instrument_values): Add new counters.
1948         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1949         calls.
1950         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1951         (tree_init_edge_profiler): Build new profilers.
1952         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1953         (pass_tree_profile): Add dump.
1954         (tree_profile_hooks): Update.
1955         * Makefile.in (LIBGCOV): Add new constants.
1956         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1957         __gcov_ior_profiler): New.
1958         * i386.md (movmem/setmem expanders): Add new optional arguments.
1959
1960 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1961
1962         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1963
1964 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1965
1966         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1967         (tree_unswitch_single_loop): Pass eni_size_weights to
1968         tree_num_loop_insns.
1969         * tree-ssa-loop-manip.c: Include tree-inline.h.
1970         (can_unroll_loop_p): Pass eni_size_weights to
1971         tree_num_loop_insns.
1972         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1973         Pass eni_size_weights to estimate_num_insns.
1974         * tree.h (init_inline_once): Export.
1975         * toplev.c (backend_init): Call init_inline_once.
1976         * cgraphunit.c (cgraph_process_new_functions,
1977         cgraph_analyze_function): Pass eni_inlining_weights to
1978         estimate_num_insns.
1979         * ipa-inline.c (compute_inline_parameters): Ditto.
1980         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1981         to estimate_num_insns.
1982         (try_unroll_loop_completely): Pass eni_size_weights to
1983         tree_num_loop_insns.
1984         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1985         ot estimate_num_insns.
1986         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1987         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1988         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1989         eni_time_weights): New variables.
1990         (init_inline_once): Initialize them.
1991         (struct eni_data): Mew.
1992         (estimate_num_insns_1, estimate_num_insns): Use weights.
1993         * tree-inline.h (struct eni_weights_d): New.
1994         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1995         (estimate_num_insns): Declaration changed.
1996         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1997         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1998         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1999
2000 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2001
2002         * tree-data-ref.c (conflict_fn): Assert that the number of affine
2003         relations in the conflict function is valid.
2004
2005 2007-01-27  Ian Lance Taylor  <iant@google.com>
2006
2007         * common.opt: Add fstrict-overflow.
2008         * opts.c (decode_options): Set flag_strict_overflow if -O2.
2009         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
2010         (TYPE_OVERFLOW_UNDEFINED): Define.
2011         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
2012         Replace all uses.
2013         * tree.h (TYPE_TRAP_SIGNED): Don't define.
2014         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
2015         (fold_negate_expr): Likewise.
2016         (make_range): Likewise.
2017         (extract_muldiv_1): Likewise.
2018         (maybe_canonicalize_comparison): Likewise.
2019         (fold_comparison): Likewise.
2020         (fold_binary): Likewise.
2021         (tree_expr_nonnegative_p): Likewise.
2022         (tree_expr_nonzero_p): Likewise.
2023         * tree-vrp.c (compare_values): Likewise.
2024         (extract_range_from_binary_expr): Likewise.
2025         (extract_range_from_unary_expr): Likewise.
2026         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
2027         Likewise.
2028         (nowrap_type_p): Likewise.
2029         * tree-scalar-evolution.c (simple_iv): Likewise.
2030         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
2031         (build_range_check): Likewise.
2032         (extract_muldiv_1): Likewise.
2033         (fold_comparison): Likewise.
2034         * tree-vrp.c (vrp_int_const_binop): Likewise.
2035         (extract_range_from_unary_expr): Likewise.
2036         * convert.c (convert_to_integer): Likewise.
2037         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
2038         (fold_comparison): Likewise.
2039         (fold_binary): Likewise.
2040         * optabs.c (optab_for_tree_code): Likewise.
2041         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
2042         * simplify-rtx.c (simplify_const_relational_operation): Check
2043         flag_strict_overflow and flag_trapv.
2044         (simplify_const_relational_operation): Likewise.
2045         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
2046         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
2047         -fstrict-overflow.
2048
2049 2007-01-27  Roger Sayle  <roger@eyesopen.com>
2050
2051         * tree.c (tree_fold_gcd): Delete.
2052         * tree.h (tree_fold_gcd): Remove prototype.
2053         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
2054         test whether one constant integer is a multiple of another.  Instead
2055         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
2056         * fold-const.c (multiple_of_p):  We've determined both TOP and
2057         BOTTOM are integer constants so we can call int_const_binop directly
2058         instead of the more generic const_binop.
2059
2060 2007-01-27  Roger Sayle  <roger@eyesopen.com>
2061
2062         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
2063         1*X check that the constant hasn't overflowed, to preserve the
2064         TREE_OVERFLOW bit.
2065         (round_up): Provide an efficient implementation when rouding-up an
2066         INTEGER_CST to a power-of-two.
2067
2068 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2069
2070         * doc/sourcebuild.texi: Add comma for clarity.
2071         * doc/extend.texi: Fix some typos.
2072         * doc/passes.texi: Likewise.
2073         * doc/cppinternals.texi: Likewise.
2074         * doc/c-tree.texi: Likewise.
2075         * doc/tree-ssa.texi: Likewise.
2076         * doc/install.texi: Likewise.
2077
2078 2007-01-27  Jan Hubicka  <jh@suse.cz>
2079
2080         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
2081         (pass_sra): Do not require alias information.
2082         * passes.c (init_optimization_passes): Add SRA
2083
2084 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
2085
2086         * tracer.c (rest_of_handle_tracer): We already cleaned
2087         up the CFG in tracer() so don't do it here again.
2088         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
2089         cleanup_cfg here, either.  And don't call renumber_insns.
2090
2091         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
2092         and BB_HEAD are in the insn stream here.  Instead make sure
2093         that BB_INSN is valid on all insns.  Also, do check here that
2094         there are no pending branch predictions...
2095         (rtl_verify_flow_info): ...instead of doing it here.  Checks
2096         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
2097         here.
2098
2099 2007-01-26  Roger Sayle  <roger@eyesopen.com>
2100
2101         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
2102         function to simplify/factorize operand order canonicalization.
2103         (ix86_fixup_binary_operands): Reorganize using the above function.
2104         (ix86_binary_operator_ok): Likewise.
2105
2106 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
2107
2108         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
2109         file scope from optimize_attrs.
2110         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
2111         up search.
2112         (optimize_attrs): Clear insn_code_values after freeing it.
2113
2114 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2115
2116         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
2117         a parts.base assignment.
2118
2119 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2120
2121         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
2122         (compute_subscript_distance, initialize_data_dependence_relation,
2123         finalize_ddr_dependent, analyze_ziv_subscript,
2124         analyze_siv_subscript_cst_affine,
2125         compute_overlap_steps_for_affine_univar,
2126         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
2127         analyze_siv_subscript, analyze_miv_subscript,
2128         analyze_overlapping_iterations, subscript_dependence_tester_1,
2129         compute_self_dependence, free_dependence_relation): Work
2130         with affine_fn instead of chrecs.
2131         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
2132         common_affine_function, affine_function_base,
2133         affine_function_constant_p, affine_fn_op, affine_fn_plus,
2134         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
2135         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
2136         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
2137         (all_chrecs_equal_p): Removed.
2138         * tree-data-ref.h (affine_fn, conflict_function): New types.
2139         (struct subscript): Change type of conflicting_iterations_in_a
2140         and conflicting_iterations_in_b.
2141
2142 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
2143
2144         PR other/30182
2145         * config/pa/pa.h (TARGET_HPUX_11): New.
2146         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
2147         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
2148
2149 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
2150         Richard Guenther  <rguenther@suse.de>
2151
2152         * tree-ssa-structalias.c (solve_graph): Handle case
2153         we merged the variable to another.
2154
2155 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2156
2157         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
2158         functions.
2159
2160         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
2161         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
2162
2163 2007-01-25  DJ Delorie  <dj@redhat.com>
2164
2165         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
2166         allow changes to modes which don't fit in those registers.
2167
2168         * reload1.c (choose_reload_regs): Check for invalid subregs before
2169         computing their locations, not after.
2170
2171 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
2172
2173         PR 25127
2174         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
2175         save Altivec registers in an eh_return function.
2176         (compute_vrsave_mask): Likewise.
2177         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
2178         for saving Altivec registers.
2179         (rs6000_emit_prologue): Don't allocate stack twice in
2180         eh_return function.  Correct expected value of altivec_save_offset
2181         when using save_world.  Describe save of R0 to stack when using
2182         save_world.  Describe stack pointer adjustment when using
2183         save_world.  Remove duplicated eh_return parameter register saving.
2184         Update sp_offset variable after save_world.
2185         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
2186         darwin-world.asm.
2187         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
2188         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
2189         implies Altivec.
2190
2191 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2192
2193         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
2194
2195 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2196
2197         PR other/30182
2198         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
2199         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
2200
2201 2007-01-25  Richard Guenther  <rguenther@suse.de>
2202
2203         * doc/invoke.texi (-Wcoverage-mismatch): Document.
2204         * common.opt (-Wcoverage-mismatch): New warning option.
2205         * coverage.c (get_coverage_counts): Ignore coverage mismatch
2206         if -Wcoverage-mismatch is given.
2207
2208 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
2209
2210         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
2211         (ipcp_driver): Change to static definition.
2212         Add dumping of the ifunctions.
2213         (constant_val_insert): Remove unused parameter. Support for SSA.
2214         (ipcp_propagate_const): Support for SSA.
2215         (ipcp_profile_bb_print): Print only analyzed nodes.
2216         (ipcp_replace_map_create): Remove support for Fortran constant
2217         for now.
2218         * ipa-prop.c (ipa_method_modify_stmt,
2219         ipa_callsite_compute_param): Support for SSA.
2220         * ipa-prop.h (ipcp_driver): Remove declaration.
2221         (IS_VALID_TREE_MAP_INDEX): Add define.
2222
2223 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
2224
2225         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
2226
2227 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2228
2229         PR middle-end/30447
2230         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
2231         constant argument to cabs and do it without checking for
2232         -funsafe-math-optimizations.
2233
2234 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
2235
2236         * c-common.h (RID_FIRST_CXX0X): New.
2237         (RID_LAST_CXX0X): New.
2238         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
2239         by -Wall.
2240         * c.opt (Wc++0x-compat): New.
2241         * doc/invoke.texi (-Wc++0x-compat): Document.
2242
2243 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2244
2245         * builtins.c (fold_builtin_carg): New.
2246         (fold_builtin_1): Use it.
2247
2248 2007-01-24  Jan Hubicka  <jh@suse.cz>
2249
2250         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
2251
2252         * ipa-inline.c (initial_insns, max_insns): Delete.
2253         (compute_max_insns): New function.
2254         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
2255         of insns as base for code growth.
2256         (cgraph_decide_inlining): Make initial_insns local; do not compute
2257         max_insns.
2258         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
2259         * doc/invoke.texi (inline-unit-growth): Update docs.
2260
2261 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
2262
2263         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
2264         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
2265         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
2266         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
2267         for CPUs that have PTA_CX16 set.
2268
2269         PR middle-end/27416
2270         * gimplify.c (omp_check_private): New function.
2271         (gimplify_scan_omp_clauses): Use it for
2272         firstprivate/lastprivate/reduction.
2273
2274         PR middle-end/30494
2275         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2276         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2277
2278         PR middle-end/30421
2279         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2280         If lower_lastprivate_clauses emits some statements, append them
2281         to dlist rather than body_p and to body_p append an initializer.
2282         (lower_omp_for): Adjust caller.
2283
2284 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
2285
2286         * target.h (globalize_decl_name): New.
2287         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2288         * output.h (default_globalize_decl_name): New.
2289         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2290         globalize_label.
2291         (globalize_decl): Ditto.
2292         (default_globalize_decl_name): New.
2293         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2294         (ia64_handle_version_id_attribute): New.
2295         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2296         (ia64_asm_output_external): Use globalize_decl_name instead
2297         of globalize_label.
2298         * doc/extend.texi (version_id): New pragma.
2299         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2300
2301 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2302
2303         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2304         _uleb128_t and _Unwind_SWord with _sleb128_t.
2305         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2306         uw_frame_state_for, uw_update_context_1): Likewise.
2307         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2308         * unwind-pe.h (read_uleb128, read_sleb128,
2309         read_encoded_value_with_base): Likewise.
2310         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2311
2312 2007-01-24  Richard Guenther  <rguenther@suse.de>
2313
2314         * builtins.c (expand_builtin_cexpi): Get the fndecl
2315         for cexp in the correct way.
2316
2317 2007-01-24  Jan Hubicka  <jh@suse.cz>
2318
2319         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2320
2321 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2322
2323         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2324         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2325         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2326         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2327         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2328         __SIZEOF_PTRDIFF_T__.
2329         * doc/cpp.texi: Documentation for the new builtin macros added.
2330
2331 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
2332
2333         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2334         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2335         instead of operands[2] to avoid access past the end of array.
2336
2337 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
2338
2339         * reload1.c (emit_reload_insns): Pass the reload register
2340         for a non-spill output reload through forget_old_reloads_1.
2341
2342 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
2343
2344         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2345         _SOFT_DOUBLE if doubles use software floating-point.
2346         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2347         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2348         * config/rs6000/darwin-ldouble.c: Also compile functions for
2349         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
2350         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2351         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2352         commented-out long double override.
2353         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2354         * config/rs6000/eabispe.h: Likewise.
2355         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2356         long double for non-SPE.
2357         (rs6000_handle_option): Likewise.
2358         (invalid_e500_subreg): Disallow more subregs involding DImode,
2359         DFmode, TImode or TFmode.
2360         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2361         E500 double.
2362         (legitimate_lo_sum_address_p): Also check for TFmode for E500
2363         double.
2364         (rs6000_legitimize_address): Also handle TFmode for E500 double.
2365         (rs6000_legitimize_reload_address): Also handle TFmode for E500
2366         double.
2367         (rs6000_legitimate_address): Also check for TFmode for E500
2368         double.
2369         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2370         (spe_build_register_parallel): Handle TFmode and TCmode.
2371         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2372         double.
2373         (function_arg): Handle TFmode and TCmode for E500 double.
2374         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2375         in general.
2376         (print_operand): Handle TFmode and TImode for %y.
2377         (rs6000_generate_compare): Handle TFmode comparisons for E500
2378         double.
2379         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2380         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2381         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2382         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2383         TFmode for E500 double.
2384         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2385         (floatsidf2): Enable for E500 double.
2386         (movtf_softfloat): Use rs6000_nonimmediate_operand.
2387         (extenddftf2): Change to extenddftf2_fprs.
2388         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2389         depending on TARGET_E500_DOUBLE.
2390         (extendsftf2): Enable for E500 double.
2391         (trunctfdf2): Enable for E500 double.
2392         (trunctfsf2): Change to trunctfsf2_fprs.
2393         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2394         depending on TARGET_E500_DOUBLE.
2395         (floatsitf2): Enable for E500 double.
2396         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2397         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2398         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2399         (negtf2): Change to negtf2_internal.
2400         (negtf2): New expander.
2401         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
2402         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2403         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2404         (movdi_internal32): Use rs6000_nonimmediate_operand.
2405         (unnamed splitter): Likewise.
2406         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2407         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2408         (SPE64TF, DITI): New mode macros.
2409         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2410         modes.
2411         (frob_tf_ti): New.
2412         (frob_<mode>_di_2): New.
2413         (frob_tf_di_8_2): New.
2414         (frob_di_df): Change to frob_di_<mode>; allow more modes.
2415         (frob_ti_tf): New.
2416         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2417         more modes.
2418         (frob_ti_<mode>_8_2): New.
2419         (frob_ti_tf_2): New.
2420         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2421         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2422         TFmode.
2423         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2424         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2425         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2426         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2427         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2428         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2429         tsttflt_gp): New.
2430
2431 2007-01-23  Ian Lance Taylor  <iant@google.com>
2432
2433         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2434         insn-*.o first.
2435         (OBJS-archive): Reformat, alphabetize.
2436         (OBJS): Change out_object_file to OBJS-md.
2437
2438 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
2439
2440         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2441         JUMP_P and CALL_P predicates where applicable.
2442         * config/i386/i386.c: Ditto.
2443         * config/i386/i386.md: Ditto.
2444         * config/i386/mmx.md: Ditto.
2445         * config/i386/predicates.md: Ditto.
2446
2447 2007-01-22  Andreas Schwab  <schwab@suse.de>
2448
2449         * config/m68k/m68k.h: Fix comment.
2450
2451 2007-01-22  Jan Hubicka  <jh@suse.cz>
2452
2453         * passes.c (init_optimization_passes): Do not rerun
2454         pass_early_warn_uninitialized.
2455
2456 2007-01-22  Richard Guenther  <rguenther@suse.de>
2457
2458         PR tree-optimization/30038
2459         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2460         function.
2461         (execute_cse_sincos_1): Likewise.
2462         (execute_cse_sincos): Likewise.
2463         (gate_cse_sincos): Likewise.
2464         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2465         the cexpi() canonicalization of sincos().
2466         * tree-pass.h (pass_cse_sincos): Declare.
2467         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2468
2469 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2470
2471         PR rtl-optimization/29329
2472         * combine.c (replaced_rhs_insn): Rename to i2mod.
2473         (replaced_rhs_value): Rename to i2mod_new_rhs.
2474         (i2mod_old_rhs): New global variable.
2475         (combine_instructions): Adjust for above change.  Save a copy of
2476         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2477         note are substituted in the second instruction.
2478         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2479         ditch the note if it pertains to the second eliminated register
2480         and this register is mentioned in i2mod_old_rhs.
2481
2482         Revert:
2483         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2484
2485         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2486         the insn to which the note was originally attached.
2487
2488 2007-01-21  Jan Hubicka  <jh@suse.cz>
2489
2490         * ipa-inline.c (inlining_mode): Comment, move up.
2491         (cgraph_decide_inlining_incrementally): Do not perform inlining
2492         itself; fix handling of flattening of self recursive functions.
2493         (cgraph_find_cycles): Remove.
2494         (cgraph_flatten_node): Remove.
2495         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2496         (try_inline): New function.
2497         (cgraph_early_inlining): Update call of
2498         cgraph_decide_inlining_incrementally.  Apply inlining here.
2499         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2500
2501 2007-01-21  Dirk Mueller  <dmueller@suse.de>
2502
2503         PR bootstrap/30511
2504         * tree-vrp.c (check_array_bounds): do not warn
2505         about ADDR_EXPR's of ARRAY_REF's which are immediately
2506         used in binary expressions.
2507
2508 2007-01-21  Ira Rosen  <irar@il.ibm.com>
2509
2510         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2511         read_write_dep and macros for its access.
2512         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2513         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2514         argument, call vect_check_interleaving for every independent pair of
2515         data-refs. Mark loads that access the same memory location as a store
2516         in the loop.
2517         (vect_check_dependences): Remove.
2518         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
2519         call, fix the call to vect_analyze_data_ref_dependence.
2520         (vect_analyze_data_ref_access): For statements that access the same
2521         data-ref, check that they are not stores; for loads, check that there
2522         is no store that access the same location.
2523
2524 2007-01-20  Roger Sayle  <roger@eyesopen.com>
2525             Joseph Myers  <joseph@codesourcery.com>
2526
2527         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2528         (-fdump-rtl-stack): Likewise.
2529         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
2530         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2531         (-mpt-fixed): Use @minus{} for minus sign.
2532         (Using Precompiled Headers): Fix under/overfull hbox.
2533
2534 2007-01-20  Jan Hubicka  <jh@suse.cz>
2535
2536         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2537         place within annotation.
2538
2539 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2540
2541         * pa.c (output_move_double): Change array size of xoperands to 4.
2542
2543 2007-01-20  Jan Hubicka  <jh@suse.cz>
2544
2545         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2546         as temporary.
2547
2548 2007-01-19  Ian Lance Taylor  <iant@google.com>
2549
2550         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2551         constant to unsigned HOST_WIDE_INT before negating.
2552
2553 2007-01-19  Ian Lance Taylor  <iant@google.com>
2554
2555         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2556         to unsigned.
2557         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2558         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2559         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2560         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2561         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2562         (realloc_vdef, realloc_vuse): Change second parameter to
2563         unsigned.
2564         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2565         fields to unsigned.
2566         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2567         unsigned. Change x and lim locals to unsigned.
2568         (realloc_vdef, realloc_vuse): Change num_elem parameter to
2569         unsigned.
2570         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2571         (copy_virtual_operands): Change i and n locals to unsigned.
2572
2573 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2574
2575         PR middle-end/29335
2576         * builtins.c (fold_builtin_1): Handle builtin fdim.
2577
2578 2007-01-20  Jan Hubicka  <jh@suse.cz>
2579
2580         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2581         * tree-ssa-structalias.c (compute_points_to_sets): Do call
2582         init_alias_heapvars.
2583         (init_alias_heapvars): Initialize only when not already initialized.
2584         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2585
2586 2007-01-19  Roger Sayle  <roger@eyesopen.com>
2587
2588         * common.opt (fsigned-zeros): New command line option.
2589         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2590         of flag_unsafe_math_optimizations.
2591         * opts.c (set_fast_math_flags): The -ffast-math command line option
2592         implies -fno-signed-zeros.
2593         (fast_math_flags_set_p): Likewise.
2594
2595         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2596         the documentation of -ffast-math appropriately.  Wrap long lines.
2597
2598 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
2599
2600         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2601         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2602
2603 2007-01-19  Tomas Bily  <tbily@suse.cz>
2604
2605         * cgraphunit.c (cgraph_finalize_function): Updating of pid
2606         * tree-profile.c:
2607         (tree_init_ic_make_global_vars): New function
2608         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2609         (tree_gen_ic_profiler): New function
2610         (tree_gen_ic_func_profiler): New function
2611         (tree_profiling): Added calling of tree_gen_ic_func_profiler
2612         (tree_profile_hooks): Added hook for indirec/virtual calls
2613         * value-prof.c (tree_find_values_to_profile): New case for
2614         indirect calls
2615         (tree_values_to_profile): Call for determining indirect/virtual
2616         counters
2617         (tree_indirect_call_to_profile): New function
2618         (tree_ic_transform): New function
2619         (tree_ic): New function
2620         (find_func_by_pid): New function
2621         (init_pid_map): New function
2622         (tree_value_profile_transformations): Added check for
2623         indirect/virtual call transformation
2624         * value-prof.h (enum hist_type): New counter type for
2625         indirect/virtual calls
2626         (profile_hooks): Added new hook for profiling indirect/virtual
2627         calls
2628         * profile.c (instrument_values): New case for indirect/virtual
2629         call added
2630         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2631         (GCOV_COUNTER_V_INDIR): New counter type
2632         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2633         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2634         call added
2635         * cgraph.c: Definition of cgraph_max_pid
2636         (cgraph_create_node): Default init of pid attribute
2637         * cgraph.h: Declaration of cgraph_max_pid
2638         (struct cgraph_node): Added pid attribute
2639         * libgcov.c (__gcov_indirect_call_profiler): New function
2640         (__gcov_one_value_profiler_body): New function
2641         (__gcov_one_value_profiler): Body was moved to
2642         __gcov_one_value_profiler_body and calls it
2643
2644 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
2645
2646         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2647         * gengtype.c (write_types_data, write_func_for_structure,
2648         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2649         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2650         (walk_type, write_func_for_structure): Generate the mark_hook if
2651         needed.
2652
2653 2007-01-19  Jan Hubicka  <jh@suse.cz>
2654
2655         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2656         'early' argument take inlining mode argument specifying whether to
2657         inline for size/speeed or all functions; add support for flattening;
2658         improve dumpting.
2659         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2660
2661 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2662
2663         PR c++/17947
2664         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2665         the name of the declared identifier.
2666
2667 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2668
2669         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2670         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2671         duplicate evaluation.
2672
2673 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2674
2675         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2676         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2677         to XFMode, use acosxf2 and truncate result to requested mode.
2678         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2679         (asin<mode>2): Similarly, with asin expanders.
2680         (*fscalexf4_i387): Rename from *fscalexf4.
2681         (expNcorexf3): New expander.
2682         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2683         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2684         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2685         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2686         patterns for SSE math.
2687         (exp10<mode>2): Similarly, with exp10 expanders.
2688         (exp2<mode>2): Similarly, with exp2 expanders.
2689         (expm1<mode>2): Similarly, with expm1 expanders.
2690         (ldexp<mode>3): Similarly, with ldexp expanders.
2691         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2692         Use gen_truncxf<mode>2_i387_noop to truncate result.
2693
2694 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2695
2696         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2697         for ColdFire targets.
2698
2699 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2700             Richard Sandiford  <richard@codesourcery.com>
2701
2702         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2703         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2704         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2705         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2706         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2707         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2708
2709 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2710
2711         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2712         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2713         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2714         (*adddi_dilshr32_cf): New pattern.
2715         (adddi3, subdi3): Remove first alternatives.
2716
2717 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2718
2719         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2720         implemented using move.l, do not use its cc result for floating-point
2721         comparisons.
2722
2723 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2724
2725         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2726         from accepting 's' constraints if flag_pic.
2727
2728 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2729
2730         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2731         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2732         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2733         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2734
2735 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2736
2737         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2738         ColdFire alternatives.
2739         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2740         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2741         architectures that support ff1 instruction.
2742
2743 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2744             Julian Brown  <julian@codesourcery.com>
2745
2746         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2747         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2748         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2749         Add commentary.
2750
2751 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2752
2753         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2754         and return a bool.
2755         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2756         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2757         HOST_WIDE_INT instead of an rtx.
2758         (m68k_rtx_costs): Update call accordingly.
2759         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2760         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2761         Return a bool.
2762         (output_move_simode_const): Update calls after above changes.
2763         Rework to use automatic variables and predicates like MEM_P.
2764         * config/m68k/m68k.md (pushexthisi_const): Update call to
2765         valid_mov3q_const.
2766
2767 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2768
2769         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2770         in dump_flags test.
2771
2772 2007-01-19  Richard Guenther  <rguenther@suse.de>
2773
2774         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2775         via cexp in case sincos is not available.
2776
2777 2007-01-19  Richard Guenther  <rguenther@suse.de>
2778
2779         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2780         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2781         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2782         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2783         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2784         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2785         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2786         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2787
2788 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2789
2790         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2791         New insn patterns.
2792         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2793         (atan2xf3): Directly generate RTL pattern.
2794         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2795         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2796         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2797         disable patterns for SSE math.
2798         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2799         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2800         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2801         disable patterns for SSE math.
2802
2803 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2804
2805         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2806
2807 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2808
2809         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2810         VIEW_CONVERT_EXPR to the same type as it's operand.
2811
2812 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2813
2814         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2815         configured for long double 128.
2816
2817 2007-01-18  Mike Stump  <mrs@apple.com>
2818
2819         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2820         error.
2821
2822 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2823
2824         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2825         type correct.
2826
2827 2007-01-18  Jan Hubicka  <jh@suse.cz>
2828
2829         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2830         greater than NUM_VOP_FREE_BUCKETS.
2831
2832 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2833
2834         * tree-ssa-structalias.c: Update comments.
2835         (ptabitmap_obstack): Removed.
2836         (pta_obstack): New.
2837         (oldpta_obstack): Ditto.
2838         (stats): Add a few members.
2839         (struct variable_info): Remove node, complex, address_taken, and
2840         indirect_target members. Add oldsolution member.
2841         (new_var_info): Do not initialize removed members.
2842         (constraint_expr_type): Remove INCLUDES.
2843         (constraint_graph): Add size, implicit_preds, rep,
2844         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2845         (FIRST_REF_NODE): New macro.
2846         (LAST_REF_NODE): Ditto.
2847         (FIRST_ADDR_NODE): Ditto.
2848         (find): New function.
2849         (unite): Ditto.
2850         (dump_constraint): Do not handle INCLUDES.
2851         (insert_into_complex): Do not insert duplicate constraints.
2852         (condense_varmap_nodes): Renamed and rewritten into ...
2853         (merge_node_constraints): This. Also fix bug in handling of
2854         offseted copy constraints.
2855         (clear_edges_for_node): No longer need to deal with preds at all,
2856         or removing associated preds/succs.
2857         (merge_graph_nodes): Deal with indirect_cycles.
2858         Don't deal with predecessors.
2859         (add_implicit_graph_edge): New function.
2860         (add_pred_graph_edge): Ditto.
2861         (add_graph_edge): Don't deal with predecessors.
2862         (build_constraint_graph): Removed.
2863         (build_pred_graph): New function.
2864         (build_succ_graph): Ditto.
2865         (struct scc_info): Removed in_component. Added roots, dfs, and
2866         node_mapping. Remove visited_index, unification_queue.
2867         (scc_visit): Deal with union-find we do now.
2868         Deal with cycles with REF nodes.
2869         (collapse_nodes): Renamed and rewritten to ...
2870         (unify_nodes): This.
2871         (process_unification_queue): Removed.
2872         (topo_visit): Cleanup
2873         (do_da_constraint): Use find.
2874         (do_sd_constraint): Ditto.
2875         (do_ds_constraint): Ditto.
2876         (do_complex_constraint): Ditto.
2877         (init_scc_info): Update for removed and added members.
2878         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2879         (find_indirect_cycles): This.
2880         (equivalence_class): New variable.
2881         (label_visit): New function.
2882         (perform_variable_substitution): Rewritten.
2883         (free_var_substitution_info): New function.
2884         (find_equivalent_node): Ditto.
2885         (move_complex_constraints): Ditto.
2886         (eliminate_indirect_cycles): Ditto.
2887         (solve_graph): Only propagate changed bits.
2888         Use indirect cycle elimination.
2889         Use find.
2890         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2891         (tree_id_eq): Renamed to ...
2892         (tree_vi_eq): This. Update for member change
2893         (insert_id_for_tree): Renamed and rewritten to ...
2894         (insert_vi_for_tree): This.
2895         (lookup_id_for_tree): Renamed and rewritten to ...
2896         (lookup_vi_for_tree): This.
2897         (get_id_for_tree): Renamed and rewritten to ...
2898         (get_vi_for_tree): Ditto.
2899         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2900         (process_constraint): Don't handle INCLUDES.
2901         Remove special ADDRESSOF case.
2902         (find_func_aliases): Rewrite to use vi functions instead of id
2903         ones.
2904         (create_function_info_for): Ditto.
2905         (create_variable_info_for): Ditto.
2906         (intra_create_variable_infos): Ditto.
2907         (merge_smts_into): Ditto.
2908         (find_what_p_points_to): Ditto.
2909         (init_base_vars): Ditto.
2910         (init_alias_vars): Ditto.
2911         (remove_preds_and_fake_succs): New function.
2912         (dump_sa_points_to_info): Dump new stats.
2913         (dump_solution_for_var): Use find.
2914         (set_used_smts): Fix formatting.
2915         (compute_points_to_sets): Updated for new functions.
2916         (ipa_pta_execute): Ditto.
2917
2918 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2919             Richard Sandiford  <richard@codesourcery.com>
2920
2921         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2922         parallels.
2923         * calls.c (expand_call): If the return value is a PARALLEL,
2924         extract its first member.
2925         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2926         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2927         use FUNCTION_EXTRA_EPILOGUE.
2928         (m68k_function_value): Return a PARALLEL if the return value
2929         is of a pointer type.
2930         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2931         (FUNCTION_EXTRA_EPILOGUE): Remove.
2932         * config/m68k/m68k.md (D0_REG): New constant.
2933
2934 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2935
2936         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2937         output a NOP for empty epilogues.
2938
2939 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2940
2941         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2942         before function.  Extend register save check to include all
2943         registers, not just integer ones.
2944
2945 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2946
2947         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2948         (m68k_use_return_insn): ...this.
2949         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2950         * config/m68k/m68k.c (use_return_insn): Rename to...
2951         (m68k_use_return_insn): ...this.
2952         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2953         of USE_RETURN_INSN.
2954
2955 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2956
2957         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2958         nearest even, fix denormal rounding overflow.
2959
2960 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2961
2962         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2963         f%$smove and f%$move.
2964         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2965         (extendsfdf2_cf): Use fdmove instead of f%&move.
2966         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2967         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2968
2969 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2970
2971         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2972         GPR<-GPR moves.
2973
2974 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2975
2976         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2977         (coldfire_single_format): Declare.
2978         (coldfire_double_format): Likewise.
2979         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2980         of qnan_msb_set to determine the lower bits of a canonical
2981         NaN significand.
2982         (encode_ieee_double): Likewise.
2983         (encode_ieee_quad): Likewise.
2984         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2985         (mips_single_format): Likewise.
2986         (ieee_double_format): Likewise.
2987         (mips_double_format): Likewise.
2988         (ieee_extended_motorola_format): Likewise.
2989         (ieee_extended_intel_96_format): Likewise.
2990         (ieee_extended_intel_128_format): Likewise.
2991         (ieee_extended_intel_96_round_53_format): Likewise.
2992         (ibm_extended_format): Likewise.
2993         (mips_extended_format): Likewise.
2994         (ieee_quad_format): Likewise.
2995         (mips_quad_format): Likewise.
2996         (vax_f_format): Likewise.
2997         (vax_d_format): Likewise.
2998         (vax_g_format): Likewise.
2999         (i370_single_format): Likewise.
3000         (i370_double_format): Likewise.
3001         (decimal_single_format): Likewise.
3002         (decimal_double_format): Likewise.
3003         (decimal_quad_format): Likewise.
3004         (c4x_single_format): Likewise.
3005         (c4x_extended_format): Likewise.
3006         (real_internal_format): Likewise.
3007         (coldfire_single_format): New real_format.
3008         (coldfire_double_format): Likewise.
3009         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
3010         canonical_nan_lsbs_set.
3011         (pdp11_d_format): Likewise.
3012         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
3013         if TARGET_COLDFIRE_CPU.
3014
3015 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3016
3017         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
3018         (output_call, m68k_legitimize_call_address): Declare.
3019         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
3020         parenthesees.  Add support for a 'W' constraint.
3021         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
3022         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
3023         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
3024         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
3025         variables.
3026         (override_options): Initialize them.  Do not set flag_no_function_cse
3027         for TARGET_ID_SHARED_LIBRARY.
3028         (m68k_output_pic_call): Delete.
3029         (m68k_legitimize_call_address): New function.
3030         (print_operand): Remove the %o prefix.  Handle the %p prefix.
3031         (output_call): New function.
3032         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
3033         target address from the GOT if symbolic jumps are not allowed.
3034         * config/m68k/m68k.md (call, general_operand): Do not set
3035         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
3036         Merge separate flag_pic and !flag_pic define_insns into...
3037         (*call, *call_value): ...these new patterns.  Match the address
3038         rather than the containing MEM and require it to be a call_operand.
3039         Use output_call to generate the asm template.
3040         * config/m68k/predicates.md (const_call_operand): New predicate.
3041         (call_operand): Likewise.
3042
3043 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3044
3045         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
3046         (STACK_GROWS_DOWNWARD): Define to 1.
3047         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
3048         comments, emphasizing that these values are only defaults.
3049         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
3050         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
3051
3052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3053
3054         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
3055
3056 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3057             Richard Sandiford  <richard@codesourcery.com>
3058
3059         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
3060         (FP_REGNO_P): New macros.
3061         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
3062         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
3063         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
3064         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
3065
3066 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3067
3068         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3069         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
3070         to $tmake_file.
3071         * config/m68k/t-floatlib: New file, extracting common code from...
3072         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3073         * config/m68k/t-uclinux: Here.
3074         * config/m68k/fpgnulib.c: Do not compile extendeed precision
3075         routines on ColdFire targets.
3076
3077 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3078
3079         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3080         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
3081         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
3082         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
3083         explicitly set MOTOROLA to 1.
3084         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
3085
3086 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3087             Nathan Sidwell  <nathan@codesourcery.com>
3088
3089         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
3090         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
3091         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
3092         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
3093         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
3094         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
3095         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
3096         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
3097         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
3098         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3099         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
3100         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
3101         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
3102         (DBX_REGISTER_NUMBER): Delete.
3103         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
3104         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3105         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
3106
3107 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3108
3109         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
3110         * config/flat.h: New file.
3111         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
3112         OBJECT_FORMAT_FLAT.
3113         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
3114         indirect references for -msep-data or -mid-shared-library.
3115         Do not use PC-relative code addresses either.
3116         * config/m68k/m68k.c (override_options): Restrict -fPIC error
3117         to -mpcrel.
3118         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
3119         for shared libraries and crt1.o for executables.  Use crti.o and
3120         crtbegin.o.
3121         (ENDFILE_SPEC): Use crtend.o and crtn.o.
3122         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
3123         Do not add -elf2flt or -shared-lib-id options here.
3124         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
3125         Pass -shared-lib-id if -mid-shared-library, taking the library
3126         identifier from -mshared-library-id if given, otherwise
3127         defaulting to 0.
3128         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
3129         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
3130         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
3131         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
3132         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
3133         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
3134         and crtend.o.
3135         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
3136         jump sequence for ISA A and ISA A+.
3137         (PICJUMP): Likewise.
3138
3139 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3140
3141         * config.gcc (m68k-*-uclinux*): Base the port on the common
3142         and m68k GNU/Linux files rather than on the generic ELF ones.
3143         * config/m68k/uclinux.h (TARGET_VERSION): Override.
3144         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3145
3146 2007-01-18  Julian Brown  <julian@codesourcery.com>
3147             Richard Sandiford  <richard@codesourcery.com>
3148
3149         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
3150         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3151         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
3152         before redefining.
3153         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
3154         80 unconditionally.
3155         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3156
3157 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3158
3159         * doc/install.texi: Document m68k-uclinuxoldabi.
3160         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
3161         * config/m68k/uclinux-oldabi.h: New file, copied from
3162         config/m68k/uclinux.h.
3163
3164 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
3165
3166         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
3167         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
3168         (m32r_compute_frame_size): Use unsigned for regno.
3169         (m32r_reload_lr): Use gen_frame_mem.
3170         (pop): New.
3171         (m32r_output_function_epilogue): Don't output the function epilogue
3172         textually here.
3173         (m32r_expand_epilogue): New.
3174         (direct_return): Return false if the function has the interrupt
3175         attribute.
3176         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
3177         * config/m32r/m32r.md (epilogue): New expander.
3178         (return_lr, return_rte): New insns.
3179         (return): Make it expander.
3180         (return_normal): New expander.
3181
3182 2007-01-18  Josh Conner  <jconner@apple.com>
3183
3184         PR target/30485
3185         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
3186         support for UNLE, UNLT, UNGE, and UNGT.
3187
3188 2007-01-18  Jan Hubicka  <jh@suse.cz>
3189
3190         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
3191         * tree-tailcall (add_virtual_phis): Likewise.
3192         (optimize_tail_call): Return TODOs.
3193         (execute_tail_calls): Return TODOs.
3194         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
3195         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
3196         changed.
3197         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3198         Cleanup cfg using TODO.
3199         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
3200         * passes.c (execute_function_todo): When cleanup did something, remove
3201         unused locals.
3202         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
3203         (make_edges): Don't cleanup_cfg.
3204
3205 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
3206
3207         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
3208         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
3209         operate on the top of stack.
3210         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
3211         register handling of instructions that output to the second
3212         stack slot.
3213         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
3214         (move_for_stack_reg): Special-case check for dead destination
3215         stack slot for constant load of 1.0 inside UNSPEC_TAN.
3216
3217         * config/i386/i386.md (UNSPEC_TAN): New constant.
3218         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
3219         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
3220         to correctly model move of constant 1.0 to top stack slot.
3221         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
3222         (unnamed peephole2 pattern): Remove corresponding peephole2
3223         pattern that optimizes tan insn and loading of constant 1.0.
3224         (tanxf2): Use fptanxf4_i387.
3225         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
3226         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
3227         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3228         disable patterns for SSE math.
3229         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
3230         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
3231
3232 2007-01-18  Dirk Mueller  <dmueller@suse.de>
3233             Richard Guenther <rguenther@suse.de>
3234
3235         PR diagnostic/8268
3236         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
3237         * common.opt (Warray-bounds): Add new warning option.
3238         * c-opts.c (c_common_handle_option): Define -Warray-bounds
3239         if -Wall is given.
3240         * Makefile.in: make tree-vrp.o depend on toplev.h
3241         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
3242         is enabled.
3243         (check_array_refs, check_array_bounds, check_array_ref): New.
3244
3245 2007-01-18  Jan Hubicka  <jh@suse.cz>
3246
3247         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
3248         (execute_ssa_ccp): Return flags conditionally.
3249         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
3250         changed.
3251         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
3252
3253 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
3254
3255         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
3256         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
3257
3258         * Makefile.c (GTFILES): Add cfglayout.h.
3259         * gengtype.c (open_base_files): Likewise.
3260         * cfglayout.c (cfg_layout_function_footer,
3261         cfg_layout_function_header) Reindent to make gengtype happy.
3262         * cfglayout.h (cfg_layout_function_footer,
3263         cfg_layout_function_header): Add GTY(()) marker.
3264
3265         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
3266
3267 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3268
3269         * genautomata.c (write_automata): Include xstrerror output in the
3270         error message if writing the DFA description file fails.
3271
3272 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3273
3274         * config/mips/mips-protos.h (mips_output_external): Make it
3275         return void.
3276         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
3277         * config/mips/mips.c (irix_output_external_libcall): Likewise.
3278         (extern_list): Likewise.
3279         (extern_head): Likewise.
3280         (TARGET_ASM_FILE_END): Likewise.
3281         (mips_file_end): Likewise.
3282         (mips_output_external): Rewritten.
3283
3284 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3285
3286         * genpreds.c (write_insn_preds_c): Only write out the function
3287         body for regclass_for_constraint if we have register constraints.
3288
3289 2007-01-17  Tom Tromey  <tromey@redhat.com>
3290
3291         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3292         * doc/install.texi (Testing): Use sourceware.org.
3293         (Binaries): Likewise.
3294         (Specific): Likewise.
3295         * doc/contrib.texi (Contributors): Use sourceware.org.
3296
3297 2007-01-17  Anatoly Sokolov <aesok@post.ru>
3298
3299         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3300         (AVR_ENHANCED): Rename to ...
3301         (AVR_HAVE_MUL): ... new.
3302         (avr_enhanced_p): Rename to ...
3303         (avr_have_mul_p): ... new.
3304         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3305         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3306         * config/avr/avr.c (avr_enhanced_p): Rename to ...
3307         (avr_have_mul_p): ... new.
3308         (base_arch_s): Rename 'enhanced' to 'have_mul'.
3309         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3310         'avr_enhanced_p' and 'enhanced'.
3311         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3312         AVR_HAVE_MUL instead of AVR_ENHANCED.
3313         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3314         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3315         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3316         instead of AVR_ENHANCED.
3317         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3318         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3319         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3320
3321 2007-01-17  Ian Lance Taylor  <iant@google.com>
3322
3323         * vec.h (VEC_reserve_exact): Define.
3324         (vec_gc_p_reserve_exact): Declare.
3325         (vec_gc_o_reserve_exact): Declare.
3326         (vec_heap_p_reserve_exact): Declare.
3327         (vec_heap_o_reserve_exact): Declare.
3328         (VEC_OP (T,A,reserve_exact)): New static inline function, three
3329         versions.
3330         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3331         negative parameter.
3332         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3333         (VEC_OP (T,A,copy)) [all versions]: Likewise.
3334         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3335         * vec.c (calculate_allocation): Add exact parameter.  Change all
3336         callers.
3337         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3338         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3339         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3340         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3341         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3342         (vec_heap_p_reserve_exact): New function.
3343         (vec_heap_o_reserve_exact): New function.
3344
3345 2007-01-17  Jan Hubicka  <jh@suse.cz>
3346
3347         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
3348
3349 2007-01-17  Eric Christopher  <echristo@apple.com>
3350
3351         * config.gcc: Support core2 processor.
3352
3353 2007-01-16  Jan Hubicka  <jh@suse.cz>
3354
3355         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
3356         the names, just unlink the chain so we don't crash on dangling pointers
3357         to dead SSA names.
3358
3359 2007-01-16  Jan Hubicka  <jh@suse.cz>
3360
3361         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
3362         * tree-pass.h: Reorder to make IPA passes appear toegher.
3363         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
3364         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3365         parameters, do not call early inliner.
3366         * ipa-inline.c: Update comments.  Include tree-flow.h
3367         (cgraph_decide_inlining): Do not compute inlining parameters.
3368         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3369         be called with function context set up.
3370         (pass_ipa_inline): Remove unreachable functions before pass.
3371         (cgraph_early_inlining): Simplify assuming to be called from the
3372         PM as local pass.
3373         (pass_early_inline): New pass.
3374         (cgraph_gate_ipa_early_inlining): New gate.
3375         (pass_ipa_early_inline): Turn into simple wrapper.
3376         (compute_inline_parameters): New function.
3377         (gate_inline_passes): New gate.
3378         (pass_inline_parameters): New pass.
3379         (apply_inline): Move here from tree-optimize.c
3380         (pass_apply_inline): New pass.
3381         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3382         transforming.
3383         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3384         doing them by hand.
3385         (tree_function_versioning): Do not allocate dummy struct function.
3386         * tree-inline.h (optimize_inline_calls): Update prototype.
3387         * tree-optimize.c (execute_fixup_cfg): Export.
3388         (pass_fixup_cfg): Remove
3389         (tree_rest_of_compilation): Do not apply inlines.
3390         * tree-flow.h (execute_fixup_cfg): Declare.
3391         * Makefile.in (gt-passes.c): New.
3392         * passes.c: Include gt-passes.h
3393         (init_optimization_passes): New passes.
3394         (nnodes, order): New static vars.
3395         (do_per_function_toporder): New function.
3396         (execute_one_pass): Dump current pass here.
3397         (execute_ipa_pass_list): Don't dump current pass here.
3398
3399 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
3400
3401         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3402         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3403
3404 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
3405
3406         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3407         (strong_alias): Define.
3408         (__gcc_qmul): Provide non-FMA for soft-float.
3409         (__gcc_qdiv): Same.
3410         (__gcc_qneg): New.
3411         (__gcc_qeq): New.
3412         (__gcc_qle): New.
3413         (__gcc_qge): New.
3414         (__gcc_qunord): New.
3415         (__gcc_stoq): New.
3416         (__gcc_dtoq): New.
3417         (__gcc_qtos): New.
3418         (__gcc_qtod): New.
3419         (__gcc_qtoi): New.
3420         (__gcc_qtou): New.
3421         (__gcc_itoq): New.
3422         (__gcc_utoq): New.
3423         (fmsub): New.
3424         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3425         soft-float functions.
3426         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3427         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3428         about long double soft float.
3429
3430 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
3431             Tehila Meyzels  <tehila@il.ibm.com>
3432
3433         * tree-vectorizer.h (is_pattern_stmt_p): New.
3434         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3435         formatting (tabs instead of spaces). Cleanup and clarify setting
3436         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3437         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3438         (vectorizable_type_demotion): Check that types are integral.
3439         (vectorizable_type_promotion): Likewise.
3440         (vectorizable_store): Fix typo.  Eliminate new-line at end of
3441         comments.
3442
3443 2007-01-16  Jan Hubicka  <jh@suse.cz>
3444
3445         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3446         cgraph edges too.
3447
3448 2007-01-15  Eric Christopher  <echristo@apple.com>
3449
3450         * ifcvt.c: Include vec.h, vecprim.h.
3451         (check_cond_move_block): New argument regs.
3452         Reorganize. Add registers used to regs.
3453         (cond_move_process_if_block): Use regs set above as
3454         loop bounds.
3455
3456 2007-01-15  Eric Christopher  <echristo@apple.com>
3457
3458         * config/darwin.h: Update copyright.
3459         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3460         (LINK_COMMAND_SPEC): Add -u.
3461         (LINK_SPEC): Fix umbrella for above.
3462
3463 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
3464
3465         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3466         glibc CVS.
3467
3468 2007-01-15  Tom Tromey  <tromey@redhat.com>
3469
3470         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3471         * doc/install.texi (Testing): Don't mention jacks.
3472         (Configuration): Document --enable-java-maintainer-mode.  Move
3473         --with-java-home to libgcj-specific section.  Document
3474         --with-ecj-jar.
3475         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3476
3477 2007-01-15  Jan Hubicka  <jh@suse.cz>
3478
3479         * tree-ssa-dce.c (DCE_TODOs): New.
3480         (propagate_necessity): Return if something changed.
3481         (eliminate_unnecessary_stmts): Likewise.
3482         (perform_tree_ssa_dce): Return TODO flags when needed.
3483         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3484
3485 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
3486
3487         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3488         (fyl2x_extend<mode>xf3_i387): New insn pattern.
3489         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3490         patterns using X87MODEF12 mode macro.  Extend operand 1
3491         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3492         (log10<mode>2): Ditto.
3493         (log2<mode>2): Ditto.
3494         (log1p<mode>2): Ditto.
3495         (logb<mode>2): Ditto.
3496         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3497         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3498         (*fxtractxf3_i387): Rename from *fxtractxf3.
3499         (fxtract_extend<mode>xf3_i387): New insn pattern.
3500         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3501         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3502         and gen_fyl2xxf3_i387().
3503
3504 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3505
3506         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3507         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
3508         get_loop_exit_edges.  Changed return type to bool.
3509         * cfgloop.h (fix_loop_placement): Declaration removed.
3510
3511 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
3512
3513         * param.h (MIN_VECT_LOOP_BOUND): New.
3514         * params.def (MIN_VECT_LOOP_BOUND): New.
3515         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3516         argument - minimum threshold for number of iterations.
3517         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3518         argument to declaration.
3519         * tree-vect-analyze.c (vect_analyze_operations): Check value of
3520         MIN_VECT_LOOP_BOUND.
3521         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3522         slpeel_tree_peel_loop_to_edge with additional argument.
3523         (vect_do_peeling_for_alignment): Likewise.
3524         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3525
3526 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
3527
3528         PR target/30413
3529         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3530         operands of size 1.
3531
3532 2007-01-14  Jan Hubicka  <jh@suse.cz>
3533
3534         * tree-dfa.c (remove_referenced_var): New function.
3535         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3536         prune referenced vars list too.
3537         * tree-flow.h (remove_referenced_var): Declare.
3538
3539 2007-01-14  Jan Hubicka  <jh@suse.cz>
3540
3541         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3542         separately.
3543         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3544         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3545         * except.h (verify_eh_throw_table_statements): Kill prototype.
3546         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3547         into call exrepssions.
3548         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3549         eh trhow verifier.
3550         * tree-cfg.c: Include pointer-set.h.
3551         (verify_node_sharing): Work on pointer set.
3552         (verify_eh_throw_stmt_node): New.
3553         (verify_stmts): Use pointers sets, verify throw_stmt.
3554
3555 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
3556
3557         * ipa-reference.c (analyze_function): Consider also addresses taken
3558         in phi nodes.
3559
3560 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3561
3562         * c-typeck.c (null_pointer_constant_p): Replace use of
3563         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3564         (build_c_cast): Likewise.
3565
3566 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3567
3568         * tree.h (force_fit_type_double): Remove unused final argument.
3569         * c-common.c (constant_expression_warning): Replace use of
3570         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3571         (convert_and_check): Likewise.
3572         (shorten_compare): Update call to force_fit_type_double.
3573         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3574         * convert.c (convert_to_pointer): Update call to
3575         force_fit_type_double.
3576         * fold-const.c (force_fit_type_double): Remove overflowed_const
3577         argument.
3578         (int_const_binop, fold_convert_const_int_from_int,
3579         fold_convert_const_int_from_real, fold_div_compare,
3580         fold_sign_changed_comparison, fold_unary, fold_negate_const,
3581         fold_abs_const, fold_not_const): Remove the final argument from
3582         calls to force_fit_type_double.
3583
3584 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3585
3586         * configure.ac: Set insn to "nop" for spu-*-* also.
3587         * configure: Regenerate.
3588
3589 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
3590
3591         * builtins.def : Add BUILT_IN_FREE.
3592
3593 2007-01-12  Jan Hubicka  <jh@suse.cz>
3594
3595         PR tree-optimization/30443
3596         * tree-inline.c (tree_function_versioning): Do not optimize when
3597         cloning for inlining.
3598
3599 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
3600
3601         * doc/loop.texi: Document recording of loop exits.
3602         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3603         (update_single_exits_after_duplication,
3604         update_single_exit_for_duplicated_loop,
3605         update_single_exit_for_duplicated_loops): Removed.
3606         (duplicate_loop_to_header_edge): Do not call
3607         update_single_exits_after_duplication and
3608         update_single_exit_for_duplicated_loops.
3609         (loop_version): Do not update single_exit information.
3610         (fix_loop_structure): Use record_loop_exits instead of
3611         mark_single_exit_loops.
3612         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3613         the lists of loop exits.
3614         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3615         split_edge, merge_blocks): Update the lists of loop exits.
3616         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3617         loop_optimizer_init.
3618         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3619         of mark_single_exit_loops.
3620         (loop_optimizer_finalize): Call release_recorded_exits.
3621         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3622         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3623         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3624         update single exit information.
3625         * lambda-code.c (perfect_nestify): Ditto.
3626         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3627         (mark_single_exit_loops): Removed.
3628         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3629         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3630         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3631         functions.
3632         (get_loop_exit_edges, single_exit): Use recorded exit lists.
3633         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3634         (verify_loop_structure): Verify consistency of the exit lists.
3635         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
3636         (set_single_exit): Removed.
3637         * cfgloop.h (struct loop_exit): New function.
3638         (struct loop): single_exit_ field replaced by exits field.
3639         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3640         (struct loops): Added exits hash.
3641         (mark_single_exit_loops, set_single_exit): Declaration removed.
3642         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3643
3644 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3645
3646         * doc/invoke.texi: Avoid use of @headitem.
3647
3648 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3649
3650         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3651
3652 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3653
3654         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3655         list of targets.
3656
3657 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3658             Richard Sandiford  <richard@codesourcery.com>
3659
3660         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3661         * config/m68k/m68k.opt: Resort options.
3662         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3663
3664 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3665             Richard Sandiford  <richard@codesourcery.com>
3666
3667         * doc/invoke.texi: Document the macros that are defined by
3668         m68k's -mtune and -mhard-float options.
3669         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3670         (m68k_cpp_cpu_family): Likewise.
3671         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3672         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
3673         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
3674         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3675         (m68k_cpp_cpu_family): Likewise.
3676
3677 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3678
3679         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3680         macros besides mc68000 as tuning macros.  Use a switch statement
3681         to set them and mcpu32.
3682
3683 2007-01-12  Julian Brown  <julian@codesourcery.com>
3684
3685         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3686         (TARGET_68040_ONLY): Rename to...
3687         (TARGET_68040): ...this.
3688         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3689         * config/m68k/m68k.md: Likewise.
3690
3691 2007-01-12  Julian Brown  <julian@codesourcery.com>
3692             Nathan Sidwell  <nathan@codesourcery.com>
3693             Richard Sandiford  <richard@codesourcery.com>
3694
3695         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3696         the -mcpu= argument associated with the --with-cpu setting.
3697         Define M68K_DEFAULT_TUNE to the default -mtune= option,
3698         if different from the one implied by the -mcpu setting.
3699         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3700         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
3701         * doc/invoke.texi: Mention ColdFire in the introduction to the
3702         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
3703         -mno-div and -mhard-float options.  Make -m68881 a synonym for
3704         -mhard-float.  Document the previously-undocumented -m5206e,
3705         -m528x, -m5307 and -m5407 options.  Tweak the existing option
3706         documentation for consistency.
3707         * doc/install.texi: Mention new --with-cpu arguments.
3708         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3709         default CPU if neither -mcpu nor -march are specified.
3710         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3711         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3712         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
3713         using m68k_tune to decide between families that implement the
3714         same ISA.  Use m68k_tune to set __mcfv4e__.
3715         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3716         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3717         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3718         (FL_ISA_C, FL_ISA_MMU): New macros.
3719         (MASK_COLDFIRE): Delete.
3720         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3721         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3722         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3723         (TARGET_HARD_FLOAT): Do not define here.
3724         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3725         (TUNE_68000): New macro.
3726         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3727         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3728         (TUNE_CFV2): Redefine in terms of m68k_tune.
3729         (uarch_type, target_device, fpu_type): New enums.
3730         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3731         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3732         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3733         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3734         (FL_FOR_isa_c): New macros.
3735         (m68k_isa): New enum.
3736         (m68k_target_selection): New structure.
3737         (all_devices, all_isas, all_microarchs): New tables.
3738         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3739         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3740         (MASK_ALL_CPU_BITS): Delete.
3741         (m68k_find_selection): New function.
3742         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3743         Map the legacy target options to a combination of the new ones.
3744         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3745         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3746         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3747         settings.
3748         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3749         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3750         properties.
3751         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3752         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3753         * config/m68k/m68k-devices.def: New file.
3754
3755 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3756             Nathan Sidwell  <nathan@codesourcery.com>
3757
3758         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3759         (SUBTARGET_EXTRA_SPECS): New macros.
3760         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3761         use %(asm_cpu_spec) instead.
3762         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3763         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3764         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3765         (EXTRA_SPECS): Rename to...
3766         (SUBTARGET_EXTRA_SPECS): ...this.
3767
3768 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3769             Richard Sandiford  <richard@codesourcery.com>
3770             Julian Brown  <julian@codesourcery.com>
3771
3772         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3773         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3774         to the configuration's default CPU.
3775         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3776         Remove default masks.
3777         (m680[012]0-*-*): Set the default with_cpu to the first part of
3778         the target name.
3779         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3780         (m68k*-*-linux): Extend the --with-cpu handling to...
3781         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3782         and m68010.  Don't set target_cpu_default2.
3783         * doc/install.texi: Document --with-cpu for m68k.
3784         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3785         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3786         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3787         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3788         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3789         (ASM_SPEC): Remove use of %(asm_cpu_default).
3790         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3791         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3792         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3793         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3794         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3795         (TARGET_DEFAULT): Delete.
3796         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3797         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3798         (CPP_CPU_SPEC): Delete.
3799         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3800         the appropriate string.
3801         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3802         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3803         (ASM_SPEC): Don't use %(asm_default_spec).
3804         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3805         TARGET_DEFAULT and add MASK_68881.
3806         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3807
3808 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3809
3810         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3811         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3812         MASK_68010 alongside MASK_68020.
3813         * doc/invoke.texi: Document -m68010.
3814         * config/m68k/m68k.opt (m68010): New.
3815         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3816         if TUNE_68010.
3817         (TUNE_68010): New macro.
3818         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3819         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3820         (M68K_CPU_m68332): Add MASK_68010.
3821         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3822         fallback definition.
3823         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3824         defines.
3825         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3826         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3827         to all entries that use MASK_68020.
3828         (output_move_simode_const, output_move_himode, output_move_qimode)
3829         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3830         instead of TARGET_68020 to select clr behavior.  Remove comment
3831         about there being no TARGET_68010.
3832         * config/m68k/m68k.md: Likewise throughout.
3833
3834 2007-01-12  Julian Brown  <julian@codesourcery.com>
3835
3836         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3837         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3838         * config/m68k/m68k.md: Likewise.
3839
3840 2007-01-12  Julian Brown  <julian@codesourcery.com>
3841
3842         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3843         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3844
3845 2007-01-12  Julian Brown  <julian@codesourcery.com>
3846
3847         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3848         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3849         * config/m68k/m68k.md: Likewise.
3850
3851 2007-01-12  Julian Brown  <julian@codesourcery.com>
3852             Richard Sandiford  <richard@codesourcery.com>
3853
3854         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3855         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3856         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3857         TARGET_CPU32.
3858         (TARGET_CPU32): Rename to...
3859         (TUNE_CPU32): ...this.
3860         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3861         (TUNE_CFV2): New macros.
3862         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3863         remove conditions that are implied by TARGET_68020.
3864         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3865         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3866         (m68k_output_function_epilogue): Likewise.
3867         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3868         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3869         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3870         non-68000 timings.  Refactor multiplication and division costs.
3871         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3872         TUNE_CPU32 instead of TARGET_CPU32.
3873         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3874         and TUNE_68060 instead of TARGET_68060.
3875         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3876         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3877         TARGET_CPU32.
3878         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3879         && !TARGET_COLDFIRE" to choose between moveq and clr.
3880         Likewise in the unnamed movsf pattern.
3881         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3882         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3883         ashiftrt pattern.
3884
3885 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3886
3887         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3888         of tabbing before backslashes.
3889
3890 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3891
3892         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3893         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3894         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3895
3896 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3897
3898         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3899         find_interesting_uses_cond.
3900         (find_interesting_uses_cond): Use extract_cond_operands.
3901         (rewrite_use_compare): Use extract_cond_operands and
3902         force_gimple_operand_bsi.  Do not call update_stmt.
3903         (determine_use_iv_cost_condition): Use extract_cond_operands.
3904         Return cheaper of using original bound and changing the exit bound.
3905
3906 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3907
3908         PR tree-optimization/29516
3909         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3910         most_expensive_mult_to_index, addr_to_parts,
3911         create_mem_ref, maybe_fold_tmr): Make the type of
3912         fields of TARGET_MEM_REF sizetype.
3913         (move_fixed_address_to_symbol, move_pointer_to_base):
3914         New functions.
3915         * tree.def (TARGET_MEM_REF): Add comment on types of
3916         the operands.
3917
3918 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3919
3920         * c-common.c (vector_types_convertible_p): Treat opaque types as
3921         always convertible if they have the same size, but not otherwise.
3922
3923 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3924
3925         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3926         Remove the b_unconditional field.
3927         (noce_try_sign_mask): Do not look at b_unconditional.
3928         (noce_process_if_block): Do not use merge_if_blocks.  Update
3929         the CFG here.  Do not set b_unconditional.
3930         (cond_move_process_if_block): Likewise.
3931         (find_cond_trap): Likewise.
3932         (check_cond_move_block): Require simple jump insns at the end
3933         of the basic block.
3934
3935 2007-01-11  Jan Hubicka  <jh@suse.cz>
3936
3937         PR tree-optimization/1046
3938         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3939         when alias info is not ready.
3940         (pass_tail_recursion): Do not require aliasing.
3941         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3942         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3943         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3944         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3945         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3946         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3947         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3948         before inlining.
3949         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3950         When aliasing is not build, mark statement as volatile.
3951
3952 2007-01-11  Tom Tromey  <tromey@redhat.com>
3953
3954         PR preprocessor/15185, PR preprocessor/20989:
3955         * doc/cppopts.texi <-MT>: Update description of algorithm for
3956         computing default target.
3957         <-M, -MD>: Reword "basename" text.
3958
3959 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3960
3961         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3962         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3963         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3964         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3965         fold_builtin_bswap, real_constp, fold_builtin_pow,
3966         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3967         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3968         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3969         * convert.c (convert_to_pointer): Likewise.
3970         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3971         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3972         const_binop, fold_convert_const_int_from_int,
3973         fold_convert_const_int_from_real,
3974         fold_convert_const_real_from_real, sign_bit_p,
3975         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3976         fold_sign_changed_comparison, fold_unary, fold_comparison,
3977         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3978         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3979         * print-tree.c (print_node_brief, print_node): Likewise.
3980         * stor-layout.c (place_field, layout_type): Likewise.
3981         * tree-chrec.c (keep_cast): Likewise.
3982         * tree.c (build_vector, build_real, build_real_from_int_cst,
3983         build_complex): Likewise.
3984
3985 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3986
3987         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3988         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3989
3990 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3991
3992         * configure.ac (strict1_warn): Rename to strict_warn.
3993         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3994         cc_set_by_configure, quoted_cc_set_by_configure,
3995         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3996         all_boot_languages, all_stagestuff): Remove.
3997         (target_list): Remove bootstrap targets.
3998         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3999         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
4000         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
4001         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
4002         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
4003         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
4004         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
4005         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
4006         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
4007         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
4008         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
4009         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
4010         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
4011         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
4012         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
4013         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
4014         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
4015         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
4016         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
4017         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
4018         (mostlyclean): Adjust.
4019         (clean, distclean): Don't mention bootstrap stuff.
4020         * configure: Regenerate.
4021         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
4022         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
4023         treelang/config-lang.in (stagestuff): Remove.
4024         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
4025         stageprofile, stagefeedback, stagestuff): Remove mention.
4026
4027 2007-01-11  Nick Clifton  <nickc@redhat.com>
4028
4029         * config/mcore/predicates.md (mcore_general_movesrc_operand):
4030         Accept CONSTs.
4031         (mcore_general_movdst_operand): Do not accept CONST_INTs.
4032         (mcore_arith_K_S_operand): Run the test for the S constraint not
4033         the test for the M constraint.
4034         (mcore_addsub_operand): Do not accept integer values that are
4035         larger than 32 bits.
4036         * config/mcore/mcore.md: Remove unused constraints from split.
4037         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
4038         (addsi3): Likewise.
4039         (allocate_stack): Likewise.
4040         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
4041         operands to 32 bits.
4042         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
4043         INTVAL.
4044         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
4045         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
4046         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
4047         mcore_output_bclri, mcore_output_andn, output_inline_const,
4048         mcore_output_move, mcore_output_movedouble): Likewise.
4049         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
4050         (output_inline_const): Likewise.
4051         (output_inline_const): Fix format strings used in sprintf
4052         statements.
4053         * config/mcore/mcore-protos.h: Update prototypes for changed
4054         functions in mcore.c.
4055         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
4056         HOST_WIDE_INT and not int.
4057         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
4058         CONST_OK_FOR_N): Likewise.
4059         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
4060         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
4061         an INTVAL.
4062
4063 2007-01-10  Jan Hubicka  <jh@suse.cz>
4064
4065         * tree-vrp.c (remove_range_assertions): Release defs.
4066         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
4067         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
4068
4069 2007-01-10  Paul Brook  <paul@codesourcery.com>
4070
4071         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
4072         * config/arm/arm.md (mulsi3subsi): New insn.
4073
4074 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
4075
4076         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
4077         (tree_transform_and_unroll_loop): New.
4078         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
4079         Declare.
4080
4081 2007-01-10  Robert Kennedy <jimbob@google.com>
4082
4083         * fold-const.c (fold_comparison): Fold comparisons like (x *
4084         1000 < 0) to (x < 0).
4085
4086 2007-01-10  Ian Lance Taylor  <iant@google.com>
4087
4088         * tree-pretty-print.c (dump_generic_node): Print parentheses when
4089         operands have the same priority.
4090
4091 2007-01-10  Tom Tromey  <tromey@redhat.com>
4092
4093         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
4094         (fold_binary): Likewise.
4095         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
4096         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
4097         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
4098         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
4099         * langhooks.h (struct lang_hooks): Removed field
4100         'can_use_bit_fields_p'.
4101
4102 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
4103
4104         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
4105
4106 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
4107
4108         * function.c (get_last_funcdef_no): New function.
4109         * function.h (get_last_funcdef_no): Declare.
4110         * tree-inline.c (initialize_cfun): Add initialization.
4111         (tree_function_versioning): Cleanup.
4112
4113 2007-01-10  Jan Hubicka  <jh@suse.cz>
4114
4115         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
4116         PHIs.
4117
4118 2007-01-10  Sa Liu  <saliu@de.ibm.com>
4119             Ben Elliston  <bje@au.ibm.com>
4120
4121         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
4122         for SAVE_NONLOCAL and Pmode for any other save level.
4123         * spu-protos.h (spu_restore_stack_block): Declare.
4124         * spu.md (save_stack_block): Remove.
4125         (restore_stack_block): Call spu_restore_stack_block.
4126         * spu.c (spu_restore_stack_block): New function.
4127         (spu_expand_epilogue): Remove old comment.
4128
4129 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
4130
4131         PR tree-optimization/30322
4132         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
4133         (cand_value_at): Return the value as aff_tree.
4134         (may_eliminate_iv): Convert the bound from aff_tree to tree.
4135         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
4136         aff_combination_mult): New functions.
4137         (aff_combination_add): Use aff_combination_add_cst.
4138         (aff_combination_convert): Allow conversions to a wider type.
4139         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
4140         * tree-affine.h (aff_combination_mult): Declare.
4141
4142 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
4143
4144         * doc/tm.texi: Update documentation to reflect reality of exec
4145         and start file search behaviours. Update copyright year.
4146         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
4147         header file directories.
4148
4149 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
4150
4151         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
4152         (*cosxf2): Rename to cosxf2_i387.
4153         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
4154         using X87MODEF12 mode macro. Rename patterns to
4155         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
4156         for SSE math.
4157         (*cosdf2, *cossf2): Ditto.
4158         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
4159         to match extended input operands.
4160         (sincos<mode>3): New expander.
4161         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
4162         insn patterns and corresponding splitters.
4163
4164 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4165
4166         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
4167         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
4168
4169 2007-01-09  Nicolas Pitre  <nico@cam.org>
4170
4171         PR target/30173
4172         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
4173
4174 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
4175
4176         * target.h (struct gcc_target): New field library_rtti_comdat.
4177         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
4178         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
4179         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
4180         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
4181
4182 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
4183
4184         * doc/invoke.texi (Optimize Options): Correct description of -O0.
4185
4186 2007-01-08  Richard Guenther  <rguenther@suse.de>
4187
4188         * tree.h (force_fit_type_double): Export.
4189         (force_fit_type): Remove.
4190         * fold-const.c (force_fit_type_double): New function.
4191         (force_fit_type): Remove.
4192         (int_const_binop): Use it.
4193         (fold_convert_const_int_from_int): Likewise.
4194         (fold_convert_const_int_from_real): Likewise.
4195         (fold_div_compare): Likewise.
4196         (fold_sign_changed_comparison): Likewise.
4197         (fold_unary): Likewise.
4198         (fold_negate_const): Likewise.
4199         (fold_abs_const): Likewise.
4200         (fold_not_const): Likewise.
4201         * c-common.c (shorten_compare): Use force_fit_type_double.
4202         * convert.c (convert_to_pointer): Likewise.
4203
4204 2007-01-08  Richard Guenther  <rguenther@suse.de>
4205
4206         * tree.h (build_int_cst_wide_type): Export.
4207         * tree.c (build_int_cst_wide_type): New function.
4208         (build_int_cst_wide): Fix comment.
4209         * builtins.c (fold_builtin_object_size): Use build_int_cst
4210         to build -1 or 0 of the correct type.  Use fit_double_type
4211         to check for overflow.
4212         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
4213         to build the mask.
4214         (decode_field_reference): Likewise.
4215         (all_ones_mask_p): Likewise.
4216         (native_interpret_int): Use build_int_cst_wide_type.
4217         (fold_binary): Use build_int_cst_type to build an all-ones
4218         value.
4219         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
4220
4221 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
4222
4223         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
4224
4225 2007-01-09  Ben Elliston  <bje@au.ibm.com>
4226
4227         * genautomata.c (STATS_OPTION): New option.
4228         (stats_flag): New flag.
4229         (gen_automata_option): Handle it.
4230         (initiate_automaton_gen): Ditto.
4231         (write_automata): Output statistics only if stats_flag is
4232         set. Likewise, output time statistics only if time_flag is set.
4233         * doc/md.texi (Processor pipeline description): Document new flag.
4234
4235 2007-01-08  Richard Guenther  <rguenther@suse.de>
4236
4237         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
4238         * tree.c (build_int_cst_type): Likewise.
4239         (size_in_bytes): Don't call force_fit_type on the result.
4240         (int_fits_type_p): Use fit_double_type.
4241         * fold-const.c (fit_double_type): New function.
4242         (force_fit_type): Use it.
4243         * tree.h (fit_double_type): Export.
4244
4245 2007-01-08  Jan Hubicka  <jh@suse.cz>
4246
4247         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
4248         * ipa.c (function_and_variable_visibility): Fix return type.
4249
4250 2007-01-08  Richard Guenther  <rguenther@suse.de>
4251
4252         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
4253         of offset to build the index.
4254         * tree-pretty-print.c (dump_generic_node): Don't build negated
4255         const just for printing.
4256         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4257         * builtins.c (fold_builtin_int_roundingfn): Check if result
4258         fits the type by using force_fit_type and comparing the result.
4259         * predict.c (predict_loops): Use compare_tree_int for comparison.
4260         * tree.c (build_int_cst): Fall back to integer_type_node for
4261         NULL_TREE type.
4262         (build_int_cst_wide): Assert type is non-null.
4263
4264 2007-01-08  Roberto Costa  <roberto.costa@st.com>
4265
4266         * tree-vrp.c (extract_range_from_cond_expr): New.
4267         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
4268         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
4269         as expressions.
4270         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
4271         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
4272         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
4273         used as expressions.
4274         * tree-object-size.c (cond_expr_object_size): New.
4275         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
4276
4277 2007-01-08  Jan Hubicka  <jh@suse.cz>
4278
4279         * tree-ssa-forwprop.c (forward_propagate_into_cond,
4280         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
4281         statement.
4282
4283 2007-01-08  Richard Guenther  <rguenther@suse.de>
4284
4285         PR tree-optimization/23603
4286         * tree-vrp.c (set_value_range_to_truthvalue): New function.
4287         (extract_range_from_binary): Fall back to truthvalue instead of
4288         varying for TRUTH_*_EXPR.
4289         (extract_range_from_comparison): Fall back to truthvalue instead of
4290         varying.
4291         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
4292         if all visited PHI values were constant.
4293
4294 2007-01-08  Jan Hubicka  <jh@suse.cz>
4295
4296         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
4297         (cgraph_analyze_function): break out from ...
4298         (cgraph_finalize_compilation_unit): ... here.
4299         (cgraph_expand_function): Remove forgoten commented out line.
4300         (cgraph_optimize): Analyze functions.
4301
4302 2007-01-08  Jan Hubicka  <jh@suse.cz>
4303
4304         * tree-pas.h (TODO_remove_function): New flag.
4305         (TODO_update*): Renumber.
4306         (pass_ipa_increase_alignment,
4307         pass_ipa_function_and_variable_visibility): New passes.
4308         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
4309         (cgraph_function_and_variable_visibility): Move to ipa.c
4310         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
4311         cgraph_increase_alignment.
4312         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
4313         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
4314         calling tree-inline.
4315         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
4316         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
4317         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
4318         (gate_increase_alignment): New function.
4319         (pass_ipa_increase_alignment): New pass.
4320         * ipa.c: Inline tree-pass.h and timevar.h
4321         (function_and_variable_visibility): Move here from cgraphunit.c
4322         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
4323         * passes.c (init_optimization_passes): Add the two new passes.
4324         (execute_todo): Handle cgraph_remove_functions.
4325
4326 2007-01-08  Nick Clifton  <nickc@redhat.com>
4327
4328         * config/frv/predicates.md (reg_or_0_operand): Accept
4329         CONST_DOUBLEs.
4330
4331 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
4332
4333         * config/bfin/rtems.h, config/bfin/t-rtems: New.
4334         * config.gcc: Add bfin*-rtems*.
4335
4336 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4337
4338         * c.opt: Add -flax-vector-conversions.
4339         * c-typeck.c (convert_for_assignment): Pass flag to
4340         vector_types_convertible_p to allow emission of note.
4341         (digest_init): Likewise.
4342         * c-opts.c: Handle -flax-vector-conversions.
4343         * c-common.c (flag_lax_vector_conversions): New.
4344         (vector_types_convertible_p): Unless -flax-vector conversions
4345         has been passed, disallow conversions between vectors with
4346         differing numbers of subparts and/or element types.  If such
4347         a conversion is disallowed, possibly emit a note on the first
4348         occasion only to inform the user of -flax-vector-conversions.
4349         The new last argument specifies this.
4350         * c-common.h (flag_lax_vector_conversions): New.
4351         (vector_types_convertible_p): Add extra argument.
4352         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
4353         char_type_node for V*QI type vectors.
4354         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
4355         Update to satisfy new typechecking rules.
4356         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
4357         C and C++ variants.
4358         * doc/invoke.texi (C Dialect Options): Document
4359         -flax-vector-conversions.
4360
4361 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4362
4363         PR tree-optimization/29877
4364         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4365         a register variable on the RHS to not be replaceable.
4366
4367 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
4368         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4369         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4370         const_simm15, const_pow2, const_npow2): Added.
4371         * config/score/misc.md (insv, extv, extzv, movmemsi,
4372         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4373         * config/score/score.c (score_address_cost, score_select_cc_mode):
4374         Added.
4375         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4376         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4377         Update score_print_operand.
4378         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4379         Adjust register allocate order and update some macro define.
4380         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4381         mdx_block_move_straight, mdx_block_move_loop_head,
4382         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4383         mdx_block_move): Added.
4384         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4385         mdp_limm): Updated and fix some bug and typo.
4386         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4387         (movsf, movdf, doloop_end): Added.
4388
4389 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
4390
4391         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4392         config/arm/thumb2.md: Fix comment typos.
4393         * doc/extend.texi: Fix a typo.
4394
4395 2007-01-07  Eric Christopher  <echristo@apple.com>
4396
4397         * configure.ac: Check for __stack_chk_fail for darwin.
4398         * configure: Regenerate.
4399
4400 2007-01-07  Richard Guenther  <rguenther@suse.de>
4401
4402         * tree-vrp.c (extract_range_from_assert): CSE calls to
4403         compare_values where possible.
4404         (extract_range_from_unary_expr): Likewise.
4405
4406 2007-01-07  Anatoly Sokolov <aesok@post.ru>
4407
4408         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4409         * config/avr/avr.c (call_insn_operand): Delete function.
4410         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4411         instead of register number. Use predicates.
4412         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4413         call_insn_operand): Add.
4414
4415 2007-01-06  Jan Hubicka  <jh@suse.cz>
4416
4417         * tree-pass.h (pass_build_cgraph_edges): Declare.
4418         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4419         (visited_nodes): Remove.
4420         (cgraph_create_edges): Move to cgraphbuild.c; rename to
4421         build_cgrpah_edges; make visited_nodes local.
4422         (cgraph_process_new_functions): DO not call initialize_inline_failed.
4423         (record_references_in_initializer): Move to cgraphbuild.c
4424         (initialize_inline_failed, rebuild_cgraph_edges,
4425         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4426         (verify_cgraph_node): Make visited_nodes local.
4427         (cgraph_analyze_function): Do not call cgraph_create_edges and
4428         initialize_inline_failed.
4429         (cgraph_expand_function): Do not call cgraph_lower_function;
4430         assert that function is already lowered.
4431         * Makefile.in (cgraphbuild.o): New.
4432         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4433         at the end of lowering passes.
4434
4435 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
4436
4437         * ifcvt.c (cond_move_convert_if_block): New function, code
4438         factored out from...
4439         (cond_move_process_if_block): ...here.  Call the new function
4440         on the THEN and ELSE blocks.
4441         (merge_if_block): Do not copy global_live_at_end, merge_blocks
4442         already takes care of this.
4443
4444 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4445
4446         PR c/19978
4447         * tree.h (TREE_OVERFLOW_P): New.
4448         * c-typeck.c (parser_build_unary_op): Warn only if result
4449         overflowed and operands did not.
4450         (parser_build_binary_op): Likewise.
4451         (convert_for_assignment): Remove redundant overflow_warning.
4452         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4453
4454 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4455
4456         * c-typeck.c (store_init_value): Split over two lines to follow
4457         the GNU coding style.
4458
4459 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
4460
4461         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4462         __GXX_EXPERIMENTAL_CXX0X__.
4463         * doc/cpp.texi: Same.
4464
4465 2007-01-05  Richard Guenther  <rguenther@suse.de>
4466
4467         PR middle-end/27826
4468         * tree.c (get_narrower): Do not construct COMPONENT_REFs
4469         with mismatched types.  Instead explicitly build a
4470         conversion NOP_EXPR.
4471
4472 2007-01-05  Ian Lance Taylor  <iant@google.com>
4473
4474         * c-common.c (decl_with_nonnull_addr_p): New function.
4475         (c_common_truthvalue_conversion): Call it.
4476         * c-typeck.c (build_binary_op): Likewise.
4477         * c-common.h (decl_with_nonnull_addr_p): Declare.
4478
4479 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
4480
4481         PR c/30360
4482         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4483         denom against 0.0.
4484
4485 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
4486
4487         * doc/install.texi (Final install): Document the fact that
4488         the GNAT runtime should not be stripped.
4489
4490 2007-01-04  Jan Hubicka  <jh@suse.cz>
4491
4492         * tree-inline.c (fold_marked_statements): Update operand caches
4493         and EH after folding
4494
4495 2007-01-04  Ian Lance Taylor  <iant@google.com>
4496
4497         * c-common.c (check_function_nonnull): Whitespace fix.
4498
4499 2007-01-04  Jan Hubicka  <jh@suse.cz>
4500
4501         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4502         comitted older version of patch.
4503         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4504         function, celanup cfg and collect garbage.
4505
4506 2007-01-04  Mike Stump  <mrs@apple.com>
4507
4508         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4509         (clean): Likewise.
4510
4511 2007-01-04  Eric Christopher  <echristo@apple.com>
4512
4513         * libgcc2.c (__bswapsi2): Use SItype.
4514         (__bswapdi2): Use DItype.
4515         * libgcc2.h: Update for above.
4516
4517 2007-01-04  Paul Brook  <paul@codesourcery.com>
4518
4519         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4520         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4521         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4522         umulsidi3, umulsidi3adddi, smulsi3_highpart,
4523         umulsi3_highpart): Make conditional on !arm_arch6.
4524         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4525         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4526         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4527         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4528         umulsi3_highpart_v6): New insns.
4529
4530 2007-01-04  Roger Sayle  <roger@eyesopen.com>
4531
4532         * fold-const.c (fold_convert): When casting an expression to void,
4533         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4534         have a type.  Instead of attempting to build a NOP_EXPR, return
4535         these "special" trees directly.
4536
4537 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
4538
4539         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4540         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
4541         rs6000_cost->fp not 0 as adjustment for outer NEG.
4542
4543 2007-01-04  Jan Hubicka  <jh@suse.cz>
4544
4545         * cgraph.c (cgraph_release_function_body): New function.
4546         (cgraph_remove_node): Use it.
4547         * cgraph.h (cgraph_release_function_body): Declare.
4548         * cgraphunit.c (cgraph_expand_function): Use it.
4549         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4550         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4551         is initialized and while compilation of other function is running.
4552         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4553         statement CFG annotations from here to ...
4554         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4555
4556 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
4557
4558         * cfgloop.h (enum li_flags): Make the constants powers of two.
4559
4560 2007-01-04  Jan Hubicka  <jh@suse.cz>
4561
4562         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4563         set.
4564         (fold_marked_statements): New function.
4565         (optimize_inline_calls, tree_function_versioning): Fold new statements.
4566         * tree-inline.h (copy_body_data): Add statements_to_fold.
4567
4568 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
4569
4570         * config.gcc: Mention libgcc/config.host.
4571         * Makefile.in: Update comments mentioning libgcc.
4572         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4573         (all.cross, start.encap, rest.encap, rest.cross): Update
4574         dependencies for libgcc move.
4575         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4576         (clean-target, clean-target-libgcc): Delete.
4577         (srcdirify, GCC_EXTRA_PARTS): New macros.
4578         (libgcc-support, libgcc.mvars): New rules.
4579         (distclean): Remove mention of mklibgcc.
4580         (install): Don't reference INSTALL_LIBGCC.
4581         (install-common): Don't reference EXTRA_PARTS.
4582         (install-libgcc, install-multilib): Delete rules.
4583         * mklibgcc.in: Delete file.
4584         * doc/configfiles.texi: Don't mention mklibgcc.
4585
4586         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4587         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4588         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4589         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4590         (mklibgcc, ldblspecs): Likewise.
4591
4592         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4593         (posixpre.def): Use $(T).
4594         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4595         (SHLIB_SRC, SHLIB_INSTALL): Delete.
4596         (SHLIB_LINK): Make dummy.
4597         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4598
4599         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4600
4601         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4602         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4603         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4604         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4605
4606         * configure.ac (all_outputs): Remove mklibgcc.
4607         * configure: Regenerated.
4608
4609 2007-01-03  Josh Conner  <jconner@apple.com>
4610
4611         PR middle-end/29683
4612         * calls.c (compute_argument_addresses): Set stack and stack_slot
4613         for partial args, too.
4614         (store_one_arg): Use locate.size.constant for the size when
4615         generating a save_area.
4616
4617 2007-01-03  Robert Kennedy <jimbob@google.com>
4618
4619         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4620         whose definitions are deleted due to basic block merging.
4621
4622 2007-01-03  Paul Brook  <paul@codesourcery.com>
4623
4624         PR target/16634
4625         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4626         functions.
4627         (use_return_insn): Return 0 for Thumb interrupt functions.
4628         (print_multi_reg): Add rfe argument for IRQ returns.
4629         (arm_output_epilogue): Pop interrupt return address directly into PC.
4630         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4631
4632 2007-01-03  Paul Brook  <paul@codesourcery.com>
4633
4634         Merge from sourcerygxx-4_1.
4635         * config/arm/thumb2.md: New file.
4636         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4637         Thumb-2.
4638         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4639         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4640         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4641         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4642         tables.
4643         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4644         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4645         comptibility.
4646         * config/arm/ieee754-sf.S: Ditto.
4647         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4648         (thumb1_base_register_rtx_p): ... to this.
4649         (thumb_index_register_rtx_p): Rename...
4650         (thumb1_index_register_rtx_p): ... to this.
4651         (thumb_output_function_prologue): Rename...
4652         (thumb1_output_function_prologue): ... to this.
4653         (thumb_legitimate_address_p): Rename...
4654         (thumb1_legitimate_address_p): ... to this.
4655         (thumb_rtx_costs): Rename...
4656         (thumb1_rtx_costs): ... to this.
4657         (thumb_compute_save_reg_mask): Rename...
4658         (thumb1_compute_save_reg_mask): ... to this.
4659         (thumb_final_prescan_insn): Rename...
4660         (thumb1_final_prescan_insn): ... to this.
4661         (thumb_expand_epilogue): Rename...
4662         (thumb1_expand_epilogue): ... to this.
4663         (arm_unwind_emit_stm): Rename...
4664         (arm_unwind_emit_sequence): ... to this.
4665         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4666         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4667         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4668         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4669         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4670         thumb2_output_casesi): New functions.
4671         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4672         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4673         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4674         THUMB2_WORK_REGS): Define.
4675         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4676         arm_condexec_mask, arm_condexec_masklen)): New variables.
4677         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4678         (arm_override_options): Check new CPU capabilities.
4679         Set new architecture flag variables.
4680         (arm_isr_value): Handle v7m interrupt functions.
4681         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
4682         Thumb-2.
4683         (const_ok_for_arm): Handle Thumb-2 constants.
4684         (arm_gen_constant): Ditto.  Use movw when available.
4685         (arm_function_ok_for_sibcall): Return false for v7m interrupt
4686         functions.
4687         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4688         (thumb_find_work_register, arm_load_pic_register,
4689         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4690         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4691         print_multi_reg, output_mov_long_double_fpa_from_arm,
4692         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4693         output_mov_double_fpa_from_arm, output_move_double,
4694         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4695         output_return_instruction, arm_output_function_prologue,
4696         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4697         arm_output_mi_thunk, thumb_set_return_address): Ditto.
4698         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
4699         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4700         (arithmetic_instr, shift_op): Use arm_shift_nmem.
4701         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
4702         '!' and 'L'.
4703         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4704         (thumb_expand_prologue): Use thumb_set_frame_pointer.
4705         (arm_file_start): Output directive for unified syntax.
4706         (arm_unwind_emit_set): Handle stack alignment instruction.
4707         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4708         Add v6t2, v7, v7a, v7r and v7m.
4709         (RETLDM): Add Thumb-2 code.
4710         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4711         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4712         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4713         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4714         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4715         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4716         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4717         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4718         ADJUST_INSN_LENGTH): Define.
4719         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4720         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4721         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4722         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4723         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4724         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4725         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4726         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4727         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4728         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4729         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4730         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4731         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4732         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4733         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4734         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4735         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4736         cortex-m3.
4737         * config/arm/arm-tune.md: Regenerate.
4738         * config/arm/arm-protos.h: Update prototypes.
4739         * config/arm/vfp.md: Enable patterns for Thumb-2.
4740         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4741         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4742         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4743         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4744         * config/arm/libunwind.S: Add Thumb-2 code.
4745         * config/arm/constraints.md: Update include Thumb-2.
4746         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4747         * config/arm/ieee754-df.S: Ditto.
4748         * config/arm/bpabi.S: Ditto.
4749         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4750         * config/arm/predicates.md (low_register_operand,
4751         low_reg_or_int_operand, thumb_16bit_operator): New.
4752         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4753         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4754         * config/arm/t-arm-elf: Add armv7 multilib.
4755         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4756         Include thumb2.md.
4757         (UNSPEC_STACK_ALIGN, ce_count): New.
4758         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4759         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4760         insns/expanders.
4761         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4762         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4763         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4764         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4765         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4766         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4767         insns.
4768         * doc/extend.texi: Document ARMv7-M interrupt functions.
4769         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4770
4771 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4772
4773         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4774         (struct _Unwind_Context): Rename args_size to flags, remove
4775         signal_frame field, add a new args_size field and version field.
4776         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4777         _Unwind_IsExtendedContext): New inline functions.
4778         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4779         Assume by_value array is only present if _Unwind_IsExtendedContext.
4780         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4781         _Unwind_IsSignalFrame.
4782         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4783         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4784         (uw_init_context_1): Initialize context->flags to
4785         EXTENDED_CONTEXT_BIT.
4786         * config/rs6000/linux-unwind.h (frob_update_context): Use
4787         _Unwind_SetSignalFrame.
4788
4789 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4790
4791         PR middle-end/30353
4792         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4793         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4794         the value.
4795
4796 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4797
4798         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4799         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4800         RET, AT_SP): Remove.
4801         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4802         instead of RET.
4803
4804         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4805         * cfgbuild.c (find_basic_blocks): Likewise.
4806         * cfgrtl.c (rtl_create_basic_block): Likewise.
4807         * function.c (temp_slots_at_level): Likewise.
4808         * reg-stack.c (stack_regs_mentioned): Likewise.
4809         * regclass.c (allocate_reg_info): Likewise.
4810         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4811         set_bb_for_stmt, move_block_to_fn): Likewise.
4812         * tree-complex.c (tree_lower_complex): Likewise.
4813         * vec.h (VEC_safe_grow_cleared): New.
4814
4815         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4816
4817 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4818
4819         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4820         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4821         to loop_version.
4822         * cfgloopmanip.c (scale_loop_frequencies): Export.
4823         (loopify): Scale the frequencies by prescribed coefficients.
4824         (set_zero_probability): New function.
4825         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4826         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4827         and frequencies according to arguments.
4828         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4829         correctly.
4830         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4831         * modulo-sched.c (sms_schedule): Set probabilities for entering
4832         versioned loop correctly.
4833         * tree-vect-transform.c (vect_transform_loop): Ditto.
4834         * cfgloop.h (loopify, loop_version): Declaration changed.
4835         (scale_loop_frequencies): Declared.
4836
4837 2007-01-02  Jan Hubicka  <jh@suse.cz>
4838
4839         * cgraph.c: Include tree-flow.h
4840         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4841         early_local_passes.
4842         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4843         * tree-pass.h (pass_all_early_optimizations): Declare.
4844         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4845         early_local_passes.
4846         (cgraph_analyze_function): Do early_local_passes.
4847         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4848         Do not add referenced vars.
4849         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4850         SSA form.
4851         (gate_all_early_local_passes): New gate.
4852         (pass_early_local_passes): Use new gate.
4853         (execute_early_local_optimizations): New functions.
4854         (gate_all_early_optimizations): New gate.
4855         (pass_all_early_optimizations): New pass.
4856         (execute_free_datastructures): Free SSA only when initialized.
4857         (gate_init_datastructures): Init only when optimizing.
4858         (tree_lowering_passes): Do early local passes when called late.
4859         * tree-profile.c (do_tree_profiling): Don't profile functions added
4860         late.
4861         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4862         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4863         not active.
4864         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4865         during early_local_passes.
4866         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4867
4868
4869 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4870
4871         * Makefile.in: Update copyright year.
4872
4873 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4874
4875         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4876         in $(lang_checks) and check-consistency targets.
4877
4878 2007-01-02  Jan Hubicka  <jh@suse.cz>
4879
4880         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4881         Do not add referenced vars.
4882         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4883         are not active.
4884         * passes.c (init_optimization_passes): Put mudflap_2 after
4885         free_datastructures.
4886
4887 2007-01-02  Jan Hubicka  <jh@suse.cz>
4888
4889         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4890         Set NOTHROW flag on call statements proved to be nothrow.
4891         Update statement of local calls so new pure/const functions are
4892         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4893         goto receivers.
4894         (tree_rest_of_compilation): Register hooks and initialize bitmap
4895         early. Do not set after_inlining flag.
4896
4897 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4898
4899         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4900         HOST_BITS_PER_LONGLONG
4901
4902 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4903
4904         PR c/19977
4905         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4906         warning for non-static initializers.
4907
4908 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4909
4910         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4911         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4912         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4913         Always use set_unique_reg_note to add REG_EQUAL notes.
4914
4915 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4916
4917         Revert:
4918         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4919
4920         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4921         * cfgbuild.c (find_basic_blocks): Likewise.
4922         * cfgrtl.c (rtl_create_basic_block): Likewise.
4923         * function.c (temp_slots_at_level): Likewise.
4924         * reg-stack.c (stack_regs_mentioned): Likewise.
4925         * regclass.c (allocate_reg_info): Likewise.
4926         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4927         set_bb_for_stmt, move_block_to_fn): Likewise.
4928         * tree-complex.c (tree_lower_complex): Likewise.
4929         * vec.h (VEC_safe_grow_cleared): New.
4930
4931 2007-01-02  Ian Lance Taylor  <iant@google.com>
4932
4933         * c-common.c (c_common_truthvalue_conversion): When warning about
4934         using an assignment as a truth value, set TREE_NO_WARNING.
4935
4936 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4937
4938         PR middle-end/7651
4939         * c.opt (Wold-style-declaration): New.
4940         * doc/invoke.texi (C-only Warning Options): New.
4941         (Wold-style-declaration): Document it.
4942         (Wextra): Enabled by -Wextra.
4943         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4944         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4945         -Wold-style-declaration.
4946
4947 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4948
4949         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4950         * cfgbuild.c (find_basic_blocks): Likewise.
4951         * cfgrtl.c (rtl_create_basic_block): Likewise.
4952         * function.c (temp_slots_at_level): Likewise.
4953         * reg-stack.c (stack_regs_mentioned): Likewise.
4954         * regclass.c (allocate_reg_info): Likewise.
4955         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4956         set_bb_for_stmt, move_block_to_fn): Likewise.
4957         * tree-complex.c (tree_lower_complex): Likewise.
4958         * vec.h (VEC_safe_grow_cleared): New.
4959
4960 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4961
4962         * c-common.c (c_common_nodes_and_builtins): Since variants of
4963         void_type_node get built before it is given a name, we need to
4964         give those variants the name, too.
4965         (complete_array_type): We need to work with the canonical main
4966         type of the array, from which we will build the qualified version.
4967         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4968         * print-tree.c (print_node): Display canonical type information
4969         for each type.
4970         * stor-layout.c (layout_type): When we don't know the
4971         alignment of a type for which we're building an array, we end up
4972         guessing wrong, so make the type require structural equality.
4973         * tree.c (make_node_stat): When we build a new type, it is its
4974         own canonical type.
4975         (build_type_attribute_qual_variant): When building an attribute
4976         variant, its canonical type is the non-attribute variant. However,
4977         if the attributes are target-dependent and they differ, we need to
4978         use structural equality checks for this type.
4979         (build_qualified_type): A qualified type is not equivalent to its
4980         unqualified variant; set the canonical type appropriately.
4981         (build_distinct_type_copy): When building a distinct type from
4982         another type, the new type is its own canonical type.
4983         (build_variant_type_copy): When building a new type variant, we
4984         assume that it is equivalent to the original type.
4985         (build_pointer_type_for_mode): When building a pointer type, also
4986         build a canonical type pointer.
4987         (build_reference_type_for_mode): When building a reference type,
4988         also build a canonical type reference.
4989         (build_index_type): When we can't hash an index type (e.g.,
4990         because its maximum value is negative), the index type requires
4991         structural equality tests.
4992         (build_array_type): Build the canonical form of an array type.
4993         (build_function_type): Function types require structural equality,
4994         because they contain default arguments, attributes, etc.
4995         (build_method_type_directly): Ditto for method types.
4996         (build_offset_type): Build the canonical offset type.
4997         (build_complex_type): Build the canonical vector type.
4998         (make_vector_type): Build the canonical vector type.
4999         * tree.h (TYPE_CANONICAL): New.
5000         (TYPE_STRUCTURAL_EQUALITY_P): New.
5001         (SET_TYPE_STRUCTURAL_EQUALITY): New.
5002         (struct tree_type): Added "canonical" field.
5003         * params.h (VERIFY_CANONICAL_TYPES): New.
5004         * doc/c-tree.texi (TYPE_CANONICAL): Document.
5005         (TYPE_STRUCTURAL_EQUALITY_P): Document.
5006         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
5007         * doc/invoke.texi (verify-canonical-types): Document --param
5008         parameter for verifying canonical types.
5009
5010 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
5011
5012         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
5013         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
5014         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
5015         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
5016         tm_file.
5017         * config/rs6000/e500.h: New.
5018         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
5019         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
5020         Remove.
5021         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
5022         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
5023         TARGET_E500_DOUBLE): Remove.
5024         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
5025         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
5026         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
5027         * config/rs6000/rs6000.c (rs6000_override_options): Use
5028         CHECK_E500_OPTIONS.
5029
5030 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
5031
5032         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
5033         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
5034         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
5035         rs6000_emit_cmove): Don't check TARGET_E500.
5036         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
5037         sordered): Don't check TARGET_E500.
5038
5039 2007-01-01  Eric Christopher  <echristo@apple.com>
5040
5041         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
5042         HARD_REGISTER_NUM_P.
5043
5044 2007-01-01  Roger Sayle  <roger@eyesopen.com>
5045
5046         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
5047         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
5048         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
5049         eq/ne Y".
5050
5051 2007-01-01  Mike Stump  <mrs@apple.com>
5052
5053         * configure.ac: Remove support for building with Apple's gcc-3.1.
5054
5055 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
5056
5057         PR middle-end/30311
5058         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
5059         REG is a hard register.  Do not modify REG before calling
5060         subreg_nregs.
5061         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
5062         multiple of the size of YMODE for certain lowpart cases.
5063
5064 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5065
5066         PR middle-end/30253
5067         * gimplify (voidify_wrapper_expr): Update for
5068         GIMPLE_MODIFY_STMT.
5069
5070 2007-01-01  Andreas Schwab  <schwab@suse.de>
5071
5072         PR target/29166
5073         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
5074         save of BR0 in extra_spill_size instead of spill_size.
5075         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
5076         area.
5077         (ia64_expand_epilogue): Restore BR0 from its new location.
5078
5079 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5080
5081         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
5082         Use a temporary variable if the left hand side is not a gimple
5083         register.
5084
5085 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
5086
5087         * gimplify.c (gimplify_return_expr): Make the temporary variable
5088         for the return expression, a gimple register variable.
5089
5090 2007-01-01  Jan Hubicka  <jh@suse.cz>
5091
5092         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
5093         INSN_LIST.
5094
5095 2007-01-01  Mike Stump  <mrs@apple.com>
5096
5097         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
5098         .literal16.
5099         * config/darwin.c (machopic_select_rtx_section): Use
5100         HAVE_GAS_LITERAL16.
5101         (darwin_mergeable_constant_section): Likewise.
5102         * configure: Regenerate.
5103         * config.in: Regenerate.
5104
5105 2007-01-01  Jan Hubicka  <jh@suse.cz>
5106             Andrew Pinski  <pinskia@gmail.com>
5107
5108         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
5109         before starting IPA passes.