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2007-02-15 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2
3         * jump.c (get_label_after): Delete.
4         (get_label_before, delete_computation, delete_jump,
5         delete_prior_computation, follow_jumps): Move...
6         * reorg.c (delete_computation, delete_prior_computation): ... here...
7         (get_label_before, delete_jump): ... making these static ...
8         (follow_jumps): ... and simplifying this since it only runs after
9         reload.
10         * rtl.h (get_label_after, get_label_before, delete_jump,
11         follow_jumps): Delete prototypes.
12
13 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
14
15         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
16         
17 2007-02-15  Nick Clifton  <nickc@redhat.com>
18
19         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
20         order to prevent it from being munged by the target.
21
22 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23
24         * config/i386/i386.md: Remove misleading comment.
25
26 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
27
28         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
29         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
30         invalid patterns.
31
32 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
33
34         * tree-sra.c (instantiate_missing_elements): Canonicalize
35         bit-field types.
36         (sra_build_assignment): New.
37         (generate_copy_inout, generate_element_copy,
38         generate_element_zero, generate_one_element_init): Use it.
39
40 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
41
42         * tree-sra.c (instantiate_missing_elements): Canonicalize
43         bit-field types.
44         (sra_build_assignment): New.
45         (generate_copy_inout, generate_element_copy,
46         generate_element_zero, generate_one_element_init): Use it.
47
48 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
49
50         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
51         limbo die nodes.
52
53 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
54
55         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
56         types as aggregates not scalars.
57         * function.c (assign_stack_temp_for_type): Likewise.
58
59 2007-02-14  Roger Sayle  <roger@eyesopen.com>
60             Zdenek Dvorak  <dvorakz@suse.cz>
61
62         * tree-dump.c (dump_switch_p_1): Require exact match of the option
63         name.
64
65 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
66
67         * passes.c (next_pass_1): Clear the next field of the copied
68         pass structure.
69
70 2007-02-14  Richard Henderson  <rth@redhat.com>
71
72         * tree-sra.c (early_sra): New.
73         (decl_can_be_decomposed_p): Deny va_list if early_sra.
74         (tree_sra_early, pass_sra_early): New.
75         * tree-pass.h (pass_sra_early): Declare.
76         * passes.c (init_optimization_passes): Use it.
77
78 2007-02-14  Richard Guenther  <rguenther@suse.de>
79
80         * flags.h (issue_strict_overflow_warning): Convert to a macro.
81
82 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
83
84          PR tree-optimization/30771
85         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
86         also phi nodes.
87         (vect_analyze_operations): Induction phis can now be marked as
88         used_in_loop.
89         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
90         Update documentation accordingly.
91
92 2007-02-14  Nick Clifton  <nickc@redhat.com>
93
94         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
95         most 3 arguments are supported.
96         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
97
98 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
99
100         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
101         Ensure dst->current is valid.
102
103 2007-02-13  Paul Brook  <paul@codesourcery.com>
104
105         * config.gcc: Add arm*-*-uclinux-*eabi.
106         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
107         (SUBTARGET_EXTRA_LINK_SPEC): Define.
108         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
109         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
110         (LINK_SPEC): Define.
111         (LIB_SPEC): Define.
112         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
113         register.
114         * config/arm/uclinux-eabi.h: New file.
115         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
116         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
117         based targets.
118
119 2007-02-13  Ian Lance Taylor  <iant@google.com>
120
121         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
122         * flags.h (warn_strict_overflow): Declare.
123         (enum warn_strict_overflow_code): Define.
124         (issue_strict_overflow_warning): New static inline function.
125         * opts.c (warn_strict_overflow): New variable.
126         (common_handle_option): Handle OPT_Wstrict_overflow and
127         OPT_Wstrict_overflow_.
128         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
129         OPT_Wall.
130         * fold-const.c: Include intl.h.
131         (fold_deferring_overflow_warnings): New static variable.
132         (fold_deferred_overflow_warning): New static variable.
133         (fold_deferred_overflow_code): New static variable.
134         (fold_defer_overflow_warnings): New function.
135         (fold_undefer_overflow_warnings): New function.
136         (fold_undefer_and_ignore_overflow_warnings): New function.
137         (fold_deferring_overflow_warnings_p): New function.
138         (fold_overflow_warning): New static function.
139         (make_range): Add strict_overflow_p parameter.  Change all
140         callers.
141         (extract_muldiv, extract_muldiv_1): Likewise.
142         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
143         tree_expr_nonnegative_p.
144         (fold_negate_expr): Call fold_overflow_warning.
145         (fold_range_test): Likewise.
146         (fold_comparison): Likewise.
147         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
148         instead of tree_expr_nonnegative_p.
149         (tree_expr_nonnegative_warnv_p): Rename from
150         tree_expr_nonnegative_p, add strict_overflow_p parameter.
151         (tree_expr_nonnegative_p): New function.
152         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
153         strict_overflow_p parameter.
154         (tree_expr_nonzero_p): New function.
155         * passes.c (verify_interpass_invariants): New static function.
156         (execute_one_pass): Call it.
157         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
158         warnings.
159         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
160         (estimate_numbers_of_iterations): Likewise.
161         (scev_probably_wraps_p): Likewise.
162         * tree-ssa-ccp.c: Include "toplev.h".
163         (evaluate_stmt): Defer fold overflow warnings until we know we are
164         going to optimize.
165         (struct fold_stmt_r_data): Add stmt field.
166         (fold_stmt_r): Defer fold overflow warnings until we know we
167         optimized.
168         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
169         (fold_stmt_inplace): Likewise.
170         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
171         (cleanup_control_expr_graph): Defer fold overflow warnings until
172         we know we are going to optimize.
173         * tree-cfg.c (fold_cond_expr_cond): Likewise.
174         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
175         Likewise.
176         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
177         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
178         * tree-ssa-loop-manip.c (create_iv): Likewise.
179         * c-typeck.c (build_conditional_expr): Likewise.
180         (build_binary_op): Likewise.
181         * tree-vrp.c (vrp_expr_computes_nonzero): Call
182         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
183         (extract_range_from_unary_expr): Likewise.
184         * simplify-rtx.c (simplify_const_relational_operation): Warn when
185         assuming that signed overflow does not occur.
186         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
187         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
188         (fold_defer_overflow_warnings): Declare.
189         (fold_undefer_overflow_warnings): Declare.
190         (fold_undefer_and_ignore_overflow_warnings): Declare.
191         (fold_deferring_overflow_warnings_p): Declare.
192         (tree_expr_nonzero_warnv_p): Declare.
193         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
194         of warning options.
195         (Warning Options): Document -Wstrict-overflow.
196         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
197         (tree-ssa-ccp.o): Likewise.
198         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
199         (fold-const.o): Depend on intl.h.
200
201 2007-02-13  Ian Lance Taylor  <iant@google.com>
202
203         PR middle-end/30751
204         * lower-subreg.c (resolve_simple_move): Decompose subregs in
205         addresses.
206
207 2007-02-13  Stuart Hastings  <stuart@apple.com>
208
209         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
210
211 2007-02-13  Richard Henderson  <rth@redhat.com>
212
213         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
214         handled_component_p before looking for the indirect_ref.
215
216 2007-02-13  Richard Henderson  <rth@redhat.com>
217
218         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
219         remove flags clobber.
220         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
221         (bswaphi_lowpart): New.
222         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
223         remove TARGET_BSWAP test.  Delete expander of the same name.
224
225         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
226         (expand_unop): Use them.
227
228 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
229
230         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
231         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
232         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
233         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
234         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
235         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
236         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
237         assembler dialect choice from asm templates.
238
239 2007-02-12  Richard Henderson  <rth@redhat.com>
240
241         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
242         (fixuns_trunc<SSEMODEF>si2): Use it.
243         * config/i386/sse.md (vec_setv4sf_0): Export.
244         * config/i386/i386.c (ix86_build_const_vector): Export.
245         (ix86_split_convert_uns_si_sse): Rename from
246         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
247         * config/i386/i386-protos.h: Update.
248
249 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
250
251         PR c/29521
252         * c-typeck.c (c_finish_return): Improve warning message.
253
254 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
255
256         * alias.c (find_symbolic_term): Delete unused function.
257         
258 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
259
260         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
261         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
262         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
263
264 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
265
266         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
267         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
268         the function, temporarily point the debug interface to the null one.
269
270 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
271
272         * dwarf2out.c (round_up_to_align): New static function.
273         (field_byte_offset): Use it to round the offset.
274
275 2007-02-12  Richard Henderson  <rth@redhat.com>
276
277         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
278         (inswl_const): Export.
279
280 2007-02-12  Richard Henderson  <rth@redhat.com>
281
282         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
283         result mode of the libcall, convert back to outmode.
284
285 2007-02-12  Roger Sayle  <roger@eyesopen.com>
286
287         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
288         (bswapdi2): New define_expand to implement 32-bit implementation.
289
290 2007-02-12  Nick Clifton  <nickc@redhat.com>
291
292         * doc/invoke.texi (Overall Options): Document --help=.
293         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
294         (cc1_options): Pass --help= on to cc1.
295         (display_help): Add description of --help=.
296         (process_command): Add code to handle --help=.  Allow translated
297         --help and --target-help switches to be passed on to compiler
298         sub-process.
299         (main): Remove unused if statement.
300         * opts.c (columns): Remove.
301         (LEFT_COLUMN): Define.
302         (wrap_help): Add columns argument.
303         (print_filtered_help): Change parameters to be an include bitmask,
304         an exclude bitmask, an any bitmask and the column width.  Move the
305         code to display the params list here.  Add code to display the
306         status of options rather than their descriptions if the quiet flag
307         is not active.
308         (print_specific_help): Change parameters to be an include bitmask,
309         an exclude bitmask and an any bitmask.  Move code to look up the
310         column width here.  Decide upon the title for an options listing.
311         (common_handle_options): Add code to handle --help=.  Adapt code
312         for --help and --target-help to use the revised form of the
313         print_specific_help function.
314         (print_help): Delete.
315         (print_param_help): Delete.
316         (print_switch): Delete.
317         * opts.h (cl_lang_count): Add prototype.
318         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
319         CL_MAX_OPTION_CLASS): New defines.
320         * optc-gen.awk: Add construction of cl_lang_count.
321         * c.opt: Add Warning attribute to warning options and Optimization
322         attribute to optimization options.
323         * common.opt: Likewise.
324         Add --help=.
325         Add -fhelp and -ftarget-help as aliases for the transformed --help
326         and --target-help options.
327         * opt-functions.awk: Add code to handle Warning and Optimization
328         attributes.
329
330 2007-02-12  Richard Henderson  <rth@redhat.com>
331
332         * config/alpha/constraints.md: New file.
333         * config/alpha/alpha.c: Include tm-constrs.h.
334         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
335         alpha_extra_constraint): Remove.
336         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
337         * config/alpha/alpha-protos.h: Update.
338         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
339         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
340         (EXTRA_CONSTRAINT): Remove.
341         * config/alpha/alpha.md: Include constraints.md.
342         (adddi splitter): Use satisfies_constraint_*.
343         * config/alpha/predicates.md (add_operand): Likewise.
344         (sext_add_operand, addition_operation): Likewise.
345
346 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
347
348         PR tree-optimization/29145
349         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
350         in our handling of restrict qualified pointers.
351
352 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
353
354         PR middle-end/7651
355         * doc/invoke.texi (Wunused-value): Update description.
356         (Wextra): Delete item.
357         * opts.c (set_Wextra): Don't use the value of Wextra to set the
358         value of Wunused-value.
359         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
360         (c_finish_stmt_expr): Don't check extra_warnings.
361         (emit_side_effect_warnings): The caller is responsible to check
362         warn_unused_value.
363         
364 2007-02-11  Roger Sayle  <roger@eyesopen.com>
365             Matt Thomas  <matt@3am-software.com>
366
367         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
368
369 2007-02-11  Roger Sayle  <roger@eyesopen.com>
370
371         * simplify-rtx.c (simplify_relational_operation_1): Optimize
372         comparisons of POPCOUNT against zero.
373         (simplify_const_relational_operation): Likewise.
374
375 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
376
377         * doc/invoke.texi (Wextra): Delete outdated paragraph.
378         
379 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
380
381         * dwarf2out.c (root_type): Delete unused function.
382         
383 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
384
385         * genattrtab.c (contained_in_p): Delete unused function.
386         (write_expr_attr_cache): Likewise.
387
388 2007-02-11  Jan Hubicka  <jh@suse.cz>
389
390         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
391         previous patch.
392
393 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
394
395         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
396         to add the REG_EQ* note.
397         * see.c (see_merge_one_use_extension): Likewise.
398         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
399         turn REG_EQUAL notes into REG_EQUIV notes if the target
400         register may have more than one set.
401         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
402         * gcse.c (try_replace_reg): Likewise.
403         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
404         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
405         more than one REG_EQUIV note.
406         * reload1.c (gen_reload): Use set_unique_reg_note.
407
408 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
409
410         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
411         (ix86_builtin_conversion): New function.
412
413 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
414
415         PR target/29487
416         * tree.h (DECL_REPLACEABLE_P): New macro.
417         * except.c (set_nothrow_function_flags): Likewise.
418
419 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
420             Ira Rosen  <irar@il.ibm.com>
421             Dorit Nuzman  <dorit@il.ibm.com>
422
423         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
424         * targhooks.c (default_builtin_vectorized_conversion): New.
425         * targhooks.h (default_builtin_vectorized_function): New declaration.
426         * target.h (struct vectorize): Add builtin_conversion field.
427         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
428         stmt_vec_info_type value.
429         (vectorizable_conversion): New declaration.
430         * tree-vect-analyze.c (vect_analyze_operations): Add
431         vectorizable_conversion call.
432         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
433         * tree-vect-transform.c (vectorizable_conversion): New function.
434         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
435         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
436         mode.
437         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
438         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
439         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
440         or ALTIVEC_BUILTIN_VCFSX.
441
442 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
443
444         PR target/30634
445         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
446         CONST_DOUBLE and operand 0 is a hard register.
447         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
448         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
449         is a hard floating-point register.
450
451 2007-02-10  Richard Henderson  <rth@redhat.com>
452             Jakub Jelinek  <jakub@redhat.com>
453             Alexandre Oliva  <aoliva@redhat.com>
454
455         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
456         * builtin-types.def (BT_WORD): Make unsigned.
457         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
458         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
459         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
460         * c-decl.c (grokdeclarator): Don't error if !have_tls.
461         * c-parser.c (c_parser_omp_threadprivate): Likewise.
462         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
463         emulated tls.
464         * expr.c (emutls_var_address): New.
465         (expand_expr_real_1): Expand emulated tls.
466         (expand_expr_addr_expr_1): Likewise.
467         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
468         * output.h (emutls_finish): Declare.
469         * toplev.c (compile_file): Call it.
470         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
471         address before wrapping in CONST.
472         * varasm.c (emutls_htab, emutls_object_type): New.
473         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
474         (get_emutls_object_name, get_emutls_object_type): New.
475         (get_emutls_init_templ_addr, emutls_decl): New.
476         (emutls_common_1, emutls_finish): New.
477         (assemble_variable): When emulating tls, swap decls; generate
478         constructor for the emutls objects.
479         (do_assemble_alias): When emulating tls, swap decl and target name.
480         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
481         for emulated tls.
482         * varpool.c (decide_is_variable_needed): Look at force_output.
483         Recurse for emulated tls.
484         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
485         with decide_is_variable_needed.
486         * emutls.c: New file.
487         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
488         tls_object for real tls.
489
490 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
491
492         PR rtl-optimization/29599
493         * reload1.c (eliminate_regs_in_insn): Take the destination
494         mode into account when computing the offset.
495
496 2007-02-09  Stuart Hastings  <stuart@apple.com>
497             Richard Henderson  <rth@redhat.com>
498
499         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
500         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
501         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
502         fixuns_truncdfhi2): New.
503         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
504         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
505         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
506         (floatunssidf2): Allow nonimmediate source.
507         * gcc/config/i386/sse.md (movdi_to_sse): New.
508         (vec_concatv2di): Drop '*'.
509         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
510         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
511         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
512         New.
513         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
514         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
515         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
516         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
517         (ix86_build_signbit_mask): Fix decl of v, refactor to call
518         ix86_build_const_vector.
519         (x86_emit_floatuns): Rewrite.
520
521 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
522
523         * genautomata.c (longest_path_length): Delete unused function.
524         (struct state): Delete unused longest_path_length.
525         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
526         (get_free_state): Delete unused.
527         
528 2007-02-09  Jan Hubicka  <jh@suse.cz>
529
530         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
531         * doc/invoke.texi (inline-unit-growth): Update default value.
532
533         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
534         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
535         (rebuild_cgraph_edges): Likewise.
536         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
537         (dump_cgraph_node): Dump frequencies.
538         (cgraph_clone_edge): Add frequency scales.
539         (cgraph_clone_node): Add freuqnecy.
540         * cgraph.h (cgraph_edge): Add freuqnecy argument.
541         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
542         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
543         * tree-pass.h (TODO_rebuild_frequencies): New constant.
544         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
545         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
546         (save_inline_function_body): Likewise.
547         * ipa-inline.c: inluce rtl.h
548         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
549         (cgraph_edge_badness): Use frequencies.
550         (cgraph_decide_recursive_inlining): Update clonning.
551         (cgraph_decide_inlining_of_small_function): Dump frequency.
552         * predict.c (estimate_bb_frequencies): Export.
553         * predict.h (estimate_bb_frequencies): Declare.
554         * tree-inline.c (copy_bb): Watch overflows.
555         (expand_call_inline): Update call of cgraph_create_edge.
556         (optimize_inline_calls): Use TODO flags to update frequnecies.
557         * passes.h: Include predict.h
558         (init_optimization_passes): Move profile ahead.
559         (execute_function_todo): Handle TODO_rebuild_frequencies.
560
561 2007-02-09  Roger Sayle  <roger@eyesopen.com>
562
563         * config/alpha/alpha.c (emit_insxl): Force the first operand of
564         the insbl or inswl pattern into a register.
565
566 2007-02-09  Roger Sayle  <roger@eyesopen.com>
567
568         * config/ia64/ia64.md (bswapdi2): New define_insn.
569
570 2007-02-09  Richard Henderson  <rth@redhat.com>
571
572         * config/i386/constraints.md (Ym): New constraint.
573         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
574         (movdi_1_rex64): Split sse and xmm general register moves from
575         memory move alternatives.  Use conditional register constraints.
576         (movsf_1, movdf_integer): Likewise.
577         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
578         (movdf_integer_rex64): New.
579         (pushsf_rex64): Fix output constraints.
580         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
581         (sse2_stored): Likewise.
582         (sse2_storeq_rex64): New.
583         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
584         amd and not generic.
585         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
586         for optimize_size.  Remove SF/DFmode hack.
587
588 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
589
590         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
591         (bit_SSE4a): New.
592
593 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
594             Richard Sandiford  <richard@codesourcery.com>
595
596         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
597         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
598         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
599         m68k/t-mlib to tmake_file.
600         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
601         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
602         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
603         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
604         variable is not empty, add t-$m68k_arch_family to tmake_file.
605         Add t-mlibs to tmake_file.
606         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
607         * config/m68k/t-cf: New file.
608         * config/m68k/t-m68k: Likewise.
609         * config/m68k/t-mlibs: Likewise.
610         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
611         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
612         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
613         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
614         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
615         Delete.
616         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
617         (INSTALL_LIBGCC): Delete.
618         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
619         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
620         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
621         (M68K_MLIB_CPU): Define.
622         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
623         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
624         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
625
626 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
627             Richard Guenther  <rguenther@suse.de>
628
629         PR middle-end/23361
630         * fold-const.c (fold_comparison): Handle obfuscated comparisons
631         against INT_MIN/INT_MAX.
632         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
633         file if a loop is removed.
634
635 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
636
637         * calls.c (store_one_arg): Pass correct alignment to
638         emit_push_insn for non-BLKmode values.
639         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
640         unaligned stack slot via a suitably aligned slot.
641
642 2007-02-08  DJ Delorie  <dj@redhat.com>
643
644         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
645         warnings.
646         (legal_subregs): Use unsigned char, make const.
647         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
648
649 2007-02-08  Paul Brook  <paul@codesourcery.com>
650
651         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
652         special interworking needed.
653
654 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
655
656         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
657         conditional to __SSE2__.
658         (Entries below should have been added to first ChangeLog
659         entry for amdfam10 dated 2007-02-05)
660         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
661         defined.
662         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
663         defined.
664         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
665         defined.
666
667 2007-02-08  DJ Delorie  <dj@redhat.com>
668
669         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
670         * config/m32c/m32c.c (legal_subregs): New.
671         (m32c_illegal_subreg_p): New.
672         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
673         unsupported subregs of hard regs.
674
675 2007-02-08  Jan Hubicka  <jh@suse.cz>
676
677         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
678         the same one; always update histograms.
679
680 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
681
682         * passes.c (init_optimization_passes): Tidy comment.
683
684 2007-02-08  Roger Sayle  <roger@eyesopen.com>
685
686         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
687         strip zero_extend, bswap and rotates from POCOUNT's argument.
688         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
689         zero_extend and rotates from PARITY's argument.
690         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
691         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
692         of an integer constant at compile-time.
693
694 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
695
696         PR 30562
697         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
698         Update all users.
699         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
700         users.
701         (init_alias_info):
702         * tree-ssa-live.c (remove_unused_locals): Do not remove
703         TREE_ADDRESSABLE variables.
704         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
705         * tree-ssa-operands.c (add_virtual_operand): Remove argument
706         FOR_CLOBBER.  Update all users.
707         If VAR has an associated alias set, add a virtual operand for
708         it if no alias is found to conflict with the memory reference.
709
710 2007-02-07  Jan Hubicka  <jh@suse.cz>
711             Robert Kidd <rkidd@crhc.uiuc.edu>
712
713         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
714
715 2007-02-07  Ian Lance Taylor  <iant@google.com>
716
717         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
718
719 2007-02-07  Roger Sayle  <roger@eyesopen.com>
720
721         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
722         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
723         tablejumpdi, movsi_to_cr_one): Remove constraints from
724         define_expand's match_operands.
725
726 2007-02-07  Roger Sayle  <roger@eyesopen.com>
727
728         * global.c (compute_regsets): Move declatation of "i" inside of
729         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
730
731 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
732
733         PR c++/30703
734         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
735         of INDIRECT_REF <RESULT_DECL>.
736
737         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
738
739 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
740             Kaz Kojima  <kkojima@gcc.gnu.org>
741
742         PR target/29746
743         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
744         properly.
745         (sh_initialize_trampoline): Add parentheses to avoid a warning.
746
747 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
748
749         * doc/loop.texi: Document possibility not to perform disambiguation
750         of loops with multiple latches.
751         * cfgloopmanip.c (alp_enum_p): Removed.
752         (add_loop): Handle subloops.  Use get_loop_body_with_size.
753         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
754         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
755         the new forwarder block.
756         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
757         Handle the case latch is NULL.
758         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
759         when marking loop exits.
760         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
761         be modified.
762         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
763         disambiguate_loops_with_multiple_latches.
764         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
765         before fix_loop_structure.
766         * cfgloop.c: Include pointer-set.h and output.h.
767         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
768         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
769         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
770         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
771         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
772         disambiguate_multiple_latches, get_loop_body_with_size,
773         disambiguate_loops_with_multiple_latches): New functions.
774         (flow_loop_dump): Dump multiple latch edges.
775         (flow_loop_nodes_find): Handle loops with multiple latches.
776         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
777         (glb_enum_p): Modified.
778         (get_loop_body): Use get_loop_body_with_size.
779         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
780         (AVOID_CFG_MODIFICATIONS): New constant.
781         (disambiguate_loops_with_multiple_latches, add_loop,
782         get_loop_body_with_size): Declare.
783         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
784
785 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
786
787         PR inline-asm/28686
788         * global.c (compute_regsets): New function.
789         (global_alloc): Refactored ELIMINABLE_REGSET
790         and NO_GLOBAL_ALLOC_REGS computation out.
791         (rest_of_handle_global_alloc): Call compute_regsets()
792         for non-optimizing case.
793
794 2007-02-06  Richard Henderson  <rth@redhat.com>
795
796         * config/i386/constraints.md (Y2): Rename from Y.
797         (Yi): New constraint.
798         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
799         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
800         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
801         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
802         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
803         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
804         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
805         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
806         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
807         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
808         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
809         vec_extractv2si_1): Change Y constraints to Y2.
810         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
811         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
812         Change Y constraints to Y2.
813         (sse2_loadld): Change Y constraints to x.
814
815 2007-02-06  Roger Sayle  <roger@eyesopen.com>
816
817         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
818         (parity<mode>2): New define_expand using rs6000_emit_parity.
819         * config/rs6000/rs6000.c (rs6000_emit_popcount,
820         rs6000_emit_parity): New functions.
821         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
822         rs6000_emit_parity): Prototype here.
823
824 2007-02-06  Ian Lance Taylor  <iant@google.com>
825
826         * lower-subreg.c (simple_move_operand): Reject CONST.
827         (resolve_clobber): Call validate_change rather than directly
828         assigning to XEXP (pat, 0).
829
830 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
831
832         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
833         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
834         (tree-cfg.o): Remove hashtab.h dependency.
835
836         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
837         (struct ivopts_data): Change niters to pointer_map_t.
838         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
839         (niter_for_exit): Create pointer_map on demand.  Change for
840         pointer_map API.
841         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
842         (free_loop_data): Destroy data->niters if created and reset field.
843         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
844         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
845
846         * tree-ssa-reassoc.c: Include pointer-set.h.
847         (bb_rank): Change to long *.
848         (operand_rank): Change to pointer_map_t.
849         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
850         (insert_operand_rank): Accept long.
851         (operand_entry_hash, operand_entry_eq): Remove.
852         (get_rank): Return long.  Adjust for changes above.
853         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
854         and operand_rank.
855         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
856
857         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
858         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
859         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
860         is not NULL.
861         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
862         directly since it cannot be NULL.
863         (get_vi_for_tree): Rewrite for pointer_map API.
864         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
865         (init_alias_vars): Create vi_for_tree as pointer_map.
866         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
867
868         * tree-cfg.c: Don't include hashtab.h.
869         (edge_to_cases): Declare as pointer_map.
870         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
871         Delete.
872         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
873         (start_recording_case_labels): Create edge_to_cases as pointer_map.
874         (end_recoding_case_labels): Cleanup edge_to_cases manually before
875         destroying it.
876         (record_switch_edge): Delete.
877         (get_cases_for_edge): Adjust for pointer_map API, inline
878         record_switch_edge (rewritten for new API), remove goto.
879
880 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
881
882         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
883         * tree-nested.c: Include pointer-set.h.
884         (var_map_elt, var_map_eq, var_map_hash): Delete.
885         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
886         to pointer_map_t's.
887         (nesting_info_bitmap_obstack): New.
888         (lookup_field_for_decl): Adjust for pointer_map API.
889         (lookup_tramp_for_decl): Adjust for pointer_map API.
890         (get_nonlocal_debug_decl): Adjust for pointer_map API.
891         (get_local_debug_decl): Adjust for pointer_map API.
892         (convert_nl_goto_reference): Adjust for pointer_map API.
893         (convert_nl_goto_receiver): Adjust for pointer_map API.
894         (create_nesting_tree): Create outside GGC space.  Create bitmap on
895         the new obstack.  Create field_map and var_map as pointer_maps.
896         (free_nesting_tree): Adjust for changes to create_nesting_tree.
897         (root): Delete. 
898         (lower_nested_functions): Move root here, no need to NULL it.
899         Initialize and release the obstack.
900
901 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
902
903         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
904         Remove prototypes and make them non-static.
905         (struct tree_int_map): Remove.
906         * tree.h (struct tree_int_map): Move here, turning TO into an
907         unsigned int.
908         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
909
910         * tree.h (TREE_COMPLEXITY): Remove.
911         (struct tree_exp): Remove complexity field.
912         * tree.c (build1_stat): Don't set it.
913
914 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
915             Victor Kaplansky  <victork@il.ibm.com>
916
917         * tree-vectorizer.c (vect_is_simple_use): Support induction.
918         (vect_is_simple_reduction): Support reduction with induction as
919         one of the operands.
920         (vect_is_simple_iv_evolution): Fix formatting.
921         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
922         formatting.  Don't mark induction phis for vectorization.
923         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
924         * tree-vect-transform.c (get_initial_def_for_induction): New function.
925         (vect_get_vec_def_for_operand): Support induction.
926         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
927         induction case.
928         (vectorizable_reduction): Support reduction with induction as one of 
929         the operands. 
930         (vectorizable_type_demotion): Use def-type of stmt argument rather
931         than dummy def-type.
932
933         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
934         flag_tree_scev_cprop.
935         * common.opt (tree-scev-cprop): New flag.
936
937         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
938         call to vect_get_new_vect_var.
939
940 2007-02-06  Ira Rosen  <irar@il.ibm.com>
941
942         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
943         vectype is not NULL.
944         (vect_pattern_recog_1): Likewise.
945
946 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
947
948         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
949         (fold_negate_expr): Likewise.
950
951 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
952
953         PR debug/30189
954         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
955         even if cv-qualification is the same.
956
957 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
958
959         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
960         __enable_execute_stack on completion.
961
962 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
963
964         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
965         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
966         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
967         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
968         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
969         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
970         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
971         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
972
973 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
974
975         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
976         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
977         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
978         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
979         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
980         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
981         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
982         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
983         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
984         umuldi3_highpart_rex64, umulsi3_highpart_insn,
985         umulsi3_highpart_zext, smuldi3_highpart_rex64,
986         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
987         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
988         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
989         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
990         sqrtextenddfxf2_i387): Added amdfam10_decode.
991         
992         * config/i386/athlon.md (athlon_idirect_amdfam10,
993         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
994         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
995         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
996         athlon_ivector_store_amdfam10): New define_insn_reservation.
997         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
998         amdfam10.
999
1000 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1001
1002         * config/i386/athlon.md (athlon_call_amdfam10,
1003         athlon_pop_amdfam10, athlon_lea_amdfam10): New
1004         define_insn_reservation.
1005         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
1006         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
1007         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
1008
1009 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1010
1011         * config/i386/athlon.md (athlon_sseld_amdfam10,
1012         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
1013         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
1014
1015 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1016
1017         * config/i386/athlon.md (athlon_sseins_amdfam10): New
1018         define_insn_reservation.
1019         * config/i386/i386.md (sseins): Added sseins to define_attr type
1020         and define_attr unit.
1021         * config/i386/sse.md: Set type attribute to sseins for insertq
1022         and insertqi.
1023
1024 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1025
1026         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
1027         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
1028         ssecomi_load_amdfam10, ssecomi_amdfam10,
1029         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
1030         define_insn_reservation.
1031         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
1032
1033 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1034
1035         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
1036         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
1037         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
1038         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
1039         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
1040         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
1041         define_insn_reservation.
1042
1043         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
1044         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
1045         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
1046         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
1047         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
1048
1049 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1050
1051         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
1052         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
1053         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
1054         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
1055         athlon_ssemul_load_k8): Added amdfam10.
1056
1057 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1058
1059         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
1060         (x86_sse_unaligned_move_optimal): New variable.
1061         
1062         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
1063         m_AMDFAM10.
1064         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
1065         for unaligned vector SSE double/single precision loads for AMDFAM10.
1066
1067 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1068
1069         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
1070         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
1071         Define TARGET_CPU_DEFAULT_amdfam10.
1072         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
1073         (processor_type): Add PROCESSOR_AMDFAM10.       
1074         
1075         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
1076         processor_type in config/i386/i386.h.
1077         Enable imul peepholes for TARGET_AMDFAM10.
1078         
1079         * config.gcc: Add support for --with-cpu option for amdfam10.
1080         
1081         * config/i386/i386.c (amdfam10_cost): New variable.
1082         (m_AMDFAM10): New macro.
1083         (m_ATHLON_K8_AMDFAM10): New macro.
1084         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1085         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
1086         x86_promote_QImode, x86_integer_DFmode_moves,
1087         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
1088         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
1089         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
1090         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
1091         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
1092         Enable/disable for amdfam10.
1093         (override_options): Add amdfam10_cost to processor_target_table.
1094         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
1095         processor_alias_table.
1096         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
1097         (ix86_adjust_cost): Add code for amdfam10.
1098
1099 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1100         
1101         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
1102         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
1103         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
1104         * config/i386/i386.h: Add builtin definition for SSE4A.
1105         * config/i386/i386.md: Add support for ABM instructions 
1106         (popcnt and lzcnt).
1107         * config/i386/sse.md: Add support for SSE4A instructions
1108         (movntss, movntsd, extrq, insertq).
1109         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
1110         Add -march=amdfam10 flag.
1111         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
1112         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
1113         and amdfam10.
1114         * doc/extend.texi: Add documentation for SSE4A builtins.
1115
1116 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
1117
1118         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
1119
1120 2007-02-05  Richard Guenther  <rguenther@suse.de>
1121
1122         * tree-vectorizer.h (vectorizable_function): Add argument type
1123         argument, change return type.
1124         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
1125         * tree-vect-transform.c (vectorizable_function): Handle extra
1126         argument, return vectorized function decl.
1127         (build_vectorized_function_call): Remove.
1128         (vectorizable_call): Handle calls with result and argument types
1129         differing.  Handle loop vectorization factor correctly.
1130         * targhooks.c (default_builtin_vectorized_function): Adjust for
1131         extra argument.
1132         * targhooks.h (default_builtin_vectorized_function): Likewise.
1133         * target.h (builtin_vectorized_function): Add argument type
1134         argument.
1135         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
1136         extra argument, allow vectorizing of lrintf.
1137         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
1138         documentation of target hook.
1139
1140 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
1141
1142         PR target/30665
1143         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
1144         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
1145         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
1146
1147 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1148
1149         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
1150         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
1151         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
1152         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
1153         before canonicalizing sincos to cexpi.
1154         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
1155
1156 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1157
1158         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
1159         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
1160         (alpha_init_builtins): Use alpha_add_builtins to process tables.
1161
1162 2007-02-05  Roger Sayle  <roger@eyesopen.com>
1163
1164         * mips-tfile.c (initialize_init_file): Correct endianness test.
1165
1166 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
1167
1168         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
1169         the 'y' constraint.
1170
1171 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1172
1173         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
1174         saves in a PARALLEL before the register assignments.
1175
1176 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
1177
1178         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
1179         DWARF_FRAME_RETURN_COLUMN to be a general register.
1180         * dwarf2out.c (init_return_column_size): New function, split from...
1181         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
1182         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
1183         to be nongeneral registers.
1184         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
1185         integer registers.
1186         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
1187         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
1188
1189 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1190
1191         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
1192
1193 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1194
1195         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
1196         (remove_path): Use can_remove_branch_p and remove_branch instead
1197         of loop_delete_branch_edge.
1198         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
1199         (tree_transform_and_unroll_loop): Remove dead branches immediately.
1200         Update profile using scale_dominated_blocks_in_loop.
1201         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
1202         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
1203         (can_remove_branch_p, remove_branch): Declare.
1204         * tree-cfg.c (tree_can_remove_branch_p): New function.
1205         (tree_cfg_hooks): Add tree_can_remove_branch_p.
1206         * cfgrtl.c (rtl_can_remove_branch_p): New function.
1207         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
1208
1209 2007-02-05  Jan Hubicka  <jh@suse.cz>
1210
1211         PR middle-end/30696
1212         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
1213         nodes in cgraph, don't remove offline copy of the function.
1214
1215 2007-02-04  Jan Hubicka  <jh@suse.cz>
1216
1217         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
1218         vectors might cause maybe_lookup_element_for_expr to be called
1219         on non-sra-candidate.
1220
1221 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1222
1223         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
1224         config/bfin/bfin.md, config/bfin/predicates.md: Follow
1225         spelling conventions.
1226
1227 2007-02-04  Richard Guenther  <rguenther@suse.de>
1228
1229         PR middle-end/30636
1230         * fold-const.c (try_move_mult_to_index): Make sure to not
1231         overflow one dimension of a multi-dimensional array access.
1232
1233 2007-02-04  Jan Hubicka  <jh@suse.cz>
1234
1235         * passes.c (init_optimization_passes): Reindent.
1236
1237 2007-02-04  Jan Hubicka  <jh@suse.cz>
1238             Eric Botcazou  <ebotcazou@adacore.com>
1239
1240         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
1241         (execute_fixup_cfg): Break out the abnormal goto code.
1242         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
1243         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
1244         (optimize_inline_calls): Call make_nonlocal_label_edges.
1245
1246 2007-02-04  Jan Hubicka  <jh@suse.cz>
1247
1248         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
1249         true when something was changed.
1250         (rename_ssa_copies): When something was changed, do
1251         TODO_remove_unused_locals.
1252         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1253         add TODO_remove_unused_locals when instruction was removed.
1254
1255 2007-02-04  Jan Hubicka  <jh@suse.cz>
1256
1257         * ipa-inline.c (try_inline): Improve debug output; work on already
1258         inline edges too.
1259         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
1260         call try_inline for already inlined edges too when flattening; 
1261         inline also functions that make callee growth but overall unit size
1262         reduce.
1263
1264 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1265
1266         * config/m32c/bitops.md, config/m32c/jump.md,
1267         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
1268         config/m32r/m32r.h, config/m32r/m32r.md,
1269         config/m32r/predicates.md, config/m68hc11/larith.asm,
1270         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1271         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
1272         config/mips/mips-protos.h, config/mips/mips.c,
1273         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
1274         config/mn10300/mn10300.h, config/mn10300/predicates.md,
1275         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
1276         spelling conventions.
1277
1278         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
1279         Follow spelling conventions.
1280
1281 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
1282
1283        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
1284        warn about C++0x compatibility.
1285         
1286 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
1287
1288         * config/h8300/h8300.c, config/h8300/h8300.h,
1289         config/h8300/h8300.md: Follow spelling conventions.
1290
1291 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
1292
1293         PR middle-end/30667
1294         * combine.c (try_combine): Do not substitute source operand
1295         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
1296
1297 2007-02-03  Jan Hubicka  <jh@suse.cz>
1298
1299         PR gcov-profile/30650
1300         * value-prof.c (stringop_block_profile): Fix handling of size counter;
1301         do not divide by zero for never executed counters.
1302         (tree_find_values_to_profile): Fix counters.
1303         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
1304
1305 2007-02-03  Ian Lance Taylor  <iant@google.com>
1306
1307         * lower-subreg.c (simple_move_operand): New static function,
1308         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
1309         operands.
1310         (simple_move): Call simple_move_operand.
1311         (find_decomposable_subregs): Add special handling of MEMs.
1312         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
1313         meaning of return value.  If we see a hard register, test whether
1314         it can store a word_mode value.  Change all callers.
1315
1316 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1317
1318         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
1319         ftrapv insns and expanders.
1320         (subdi3): Change define_expand operand 1 to arith11_operand, and
1321         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
1322         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
1323         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
1324         respectively.
1325
1326         PR middle-end/30174
1327         * varasm.c (notice_global_symbol): Treat global objects as weak when
1328         flag_shlib is true.
1329
1330 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1331
1332         * emit-rtl.c (dconstpi): Delete.
1333         (dconstsqrt2): New.
1334         (init_emit_once): Delete dconstpi and init dconstsqrt2.
1335         * real.h (dconstpi): Delete.
1336         (dconstsqrt2): New.
1337         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1338         (fold_builtin_hypot): Likewise.
1339
1340 2007-02-03  Tom Tromey  <tromey@redhat.com>
1341
1342         PR driver/30246
1343         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1344         -gcoff3, -gxcoff3, -gvms3 implies -dD.
1345
1346 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
1347
1348         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1349         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1350         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1351         config/rs6000/cell.md, config/rs6000/darwin.h,
1352         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1353         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1354         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1355         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1356         typos.  Follow spelling conventions.
1357         * doc/invoke.texi: Follow spelling conventions.
1358
1359 2007-02-03  Roger Sayle  <roger@eyesopen.com>
1360
1361         * simplify-rtx.c (simplify_relational_operation_1): Implement some
1362         canonicalization transformations that attempt to simplify integer
1363         constant comparisons to become comparisons against zero.
1364
1365 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1366
1367         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1368         fabs(x)*sqrt(2).
1369         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
1370         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
1371
1372 2007-02-02  Mike Stump  <mrs@apple.com>
1373
1374         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1375         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1376         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1377         generate a branch island.
1378
1379 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
1380
1381         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1382         (xtensa_legitimate_address_p): New.
1383         (xtensa_legitimize_address): New.
1384         (xtensa_output_addr_const_extra): New.
1385         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1386         (BASE_REG_P): New.
1387         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1388         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1389         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1390         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1391         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1392         (xtensa_legitimize_address): New.
1393         (xtensa_output_addr_const_extra): New.
1394
1395 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
1396
1397         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1398
1399 2007-02-02  Ian Lance Taylor  <iant@google.com>
1400
1401         * expmed.c (expand_divmod): Add comment.
1402
1403 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
1404
1405         * emit-rtl.c (renumber_insns): Remove.
1406         * flags.h: Remove the extern for flag_renumber_insns.
1407         * rtl.h: Remove the prototype for renumber_insns.
1408         * toplev.c (flag_renumber_insns): Remove.
1409
1410 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
1411
1412         Revert for x86 darwin:
1413         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1414         
1415         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1416         code before the following patch under TARGET_MACHO.
1417         (ix86_function_value_regno_p): Likewise.
1418
1419 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1420
1421         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1422         COMPLEX_EXPR.
1423
1424 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1425
1426         PR target/29682
1427         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1428         general or fp registers.  Add comments.
1429         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1430
1431 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
1432
1433         * pointer-set.c (insert_aux): Only return insertion slot.
1434         (pointer_set_insert): Adjust.
1435         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1436         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1437         pointer_map_traverse): New.
1438         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1439         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
1440         pointer_map_contains, pointer_map_traverse): Declare.
1441
1442 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
1443
1444         PR middle-end/30473
1445         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1446         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
1447
1448 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1449
1450         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1451         
1452         (struct _dep): New type.
1453         (dep_t): New typedef.
1454         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1455         (DEP_STATUS): New access macro.  The macro with the same name was
1456         renamed to DEP_LINK_STATUS.
1457         (dep_init): Declare function
1458
1459         (struct _dep_link): New type.
1460         (dep_link_t): New typedef.
1461         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1462         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1463         (DEP_LINK_STATUS): New macro.
1464         (debug_dep_links): New debug function.
1465
1466         (struct _deps_list): New type.
1467         (deps_list_t): New typedef.
1468         (DEPS_LIST_FIRST): New access macro.
1469         (FOR_EACH_DEP_LINK): New cycle macro.
1470         (create_deps_list, free_deps_list, delete_deps_list): Declare
1471         functions.
1472         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1473         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1474         (copy_deps_list_change_con): Ditto.
1475
1476         (move_dep_link): Declare function.
1477
1478         (struct _dep_node): New type.
1479         (dep_node_t): New typedef.
1480         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1481
1482         (struct haifa_insn_data.back_deps): New field to hold backward
1483         dependencies of the insn.
1484         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
1485         to deps_list_t.
1486         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1487         Change its type to deps_list_t.
1488         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1489         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1490         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1491
1492         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
1493         
1494         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
1495
1496         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1497         all callers.
1498         (dep_cost): Declare.
1499         
1500         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1501         (ds_to_dk, dk_to_ds): New functions.
1502         
1503         (init_dep_1): New static function.
1504         (init_dep): New function.
1505         (copy_dep): New static function.
1506         
1507         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1508         functions.
1509         (detach_dep_link): New static function.
1510         (move_dep_link): New function.
1511         
1512         (dep_links_consistent_p, dump_dep_links): New static functions.
1513         (debug_dep_links): New debugging function.
1514         
1515         (deps_obstack, dl_obstack, dn_obstack): New static variables.
1516         
1517         (alloc_deps_list, init_deps_list): New static functions.
1518         (create_deps_list): New function.
1519         (clear_deps_list): New static function.
1520         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1521         (deps_list_consistent_p, dump_deps_list): New static functions.
1522         (debug_deps_list): New function.
1523         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1524         functions.
1525         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1526
1527         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1528         use new scheduler dependencies lists.
1529         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1530         (sched_analyze): Ditto.  Initialize dependencies lists.
1531         (add_forw_dep, compute_forward_dependences): Update to use new
1532         scheduler dependencies lists.
1533         
1534         (init_dependency_caches): Init deps_obstack.
1535         (free_dependency_caches): Free deps_obstack.
1536         
1537         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1538         new scheduler dependencies lists.
1539         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1540         (add_back_forw_dep, delete_back_forw_dep): Ditto.
1541
1542         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1543         Update to use new scheduler dependencies lists.
1544         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1545         (debug_dependencies): Ditto.
1546         (schedule_region): Update comments.
1547         
1548         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1549         scheduler dependencies lists.
1550         (schedule_ebb): Update comments.
1551         
1552         * rtl.def (DEPS_LIST): Remove.
1553         
1554         * lists.c (unused_deps_list): Remove.
1555         (free_list): Update assertions.
1556         
1557         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1558         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1559
1560         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1561         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1562         
1563         * haifa-sched.c (comments): Update.
1564         (insn_cost1): Remove.  Inline the code into insn_cost ().
1565         (insn_cost): Update to use new scheduler dependencies lists.  Move
1566         processing of the dependency cost to dep_cost ().
1567         (dep_cost): New function.  Use it instead of insn_cost () when
1568         evaluating cost of the dependency.  Use compatible interface to
1569         interact with the target.
1570         (priority): Update to use new scheduler dependencies lists.
1571         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
1572         with greater number of insns that depend on the insn.
1573         (schedule_insn): Update to use new scheduler dependencies lists.  Add
1574         code to free backward dependencies lists.  Inline and optimize code
1575         from resolve_dep () - see PR28071.
1576         (ok_for_early_queue_removal): Update to use new scheduler dependencies
1577         lists.  Update call to targetm.sched.is_costly_dependence hook.
1578         
1579         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1580         scheduler dependencies lists.
1581         
1582         (resolve_dep): Remove.  Move the logic to schedule_insn ().
1583         (init_h_i_d): Initialize dependencies lists.
1584         
1585         (process_insn_depend_be_in_spec): Rename to
1586         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
1587         dependencies lists.
1588         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1589         Update to use new scheduler dependencies lists.
1590         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1591         
1592         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1593         new scheduler dependencies lists.
1594         (build_intra_loop_deps): Ditto.
1595         
1596         * target.h (struct _dep): Declare to use in
1597         gcc_target.sched.is_costly_dependence.
1598         (struct gcc_target.sched.adjust_cost): Fix typo.
1599         (struct gcc_target.sched.is_costly_dependence): Change signature to use
1600         single dep_t parameter instead of an equivalent triad.
1601         (struct gcc_target.sched.adjust_cost_2): Remove.
1602
1603         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1604
1605         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1606
1607         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1608         documentation.
1609         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1610
1611         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1612         (REG_DEP_TRUE): Document.
1613         
1614         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1615         Change signature to correspond to the targetm.sched.adjust_cost hook.  
1616         Update use in TARGET_SCHED_ADJUST_COST_2.
1617         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1618         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1619         new scheduler dependencies lists.
1620         (ia64_gen_check): Ditto.
1621
1622         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1623         dependencies lists.
1624         
1625         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1626         signature to correspond to the targetm.sched.is_costly_dependence hook.
1627         (is_costly_group): Update to use new scheduler dependencies lists.
1628
1629         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1630         instead of INSN_COST () macro.
1631
1632 2007-02-01  Ian Lance Taylor  <iant@google.com>
1633
1634         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1635
1636 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
1637
1638         * pa.md (tp_load): Correct mfctl instruction syntax.
1639
1640 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
1641
1642         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1643         altivec_padding_size calculation on AIX.  Improve comment, add
1644         assert to verify that it's right.
1645
1646         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1647         64-bit.
1648
1649 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
1650
1651         PR inline-asm/28686
1652         * global.c (global_alloc): Add mising initialization of
1653         ELIMINABLE_REGSET.
1654
1655 2007-02-01  Roger Sayle  <roger@eyesopen.com>
1656
1657         * alias.c (init_alias_analysis): Correct whitespace.
1658         * bb-reorder.c (fix_edges_for_rarely_executed_code,
1659         partition_hot_cold_basic_blocks): Likewise.
1660         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1661         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1662         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1663         fold_builtin_snprintf_chk, fold_builtin_printf,
1664         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1665         do_mpfr_arg3, do_mpfr_sincos): Likewise.
1666         * cfgcleanup.c (cleanup_cfg): Likewise.
1667         * cfgexpand.c (tree_expand_cfg): Likewise.
1668         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1669         * function.c (get_next_funcdef_no): Likewise.
1670         * gengtype.c (main): Likewise.
1671         * genmodes.c (main): Likewise.
1672         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1673         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1674         * ifcvt.c (noce_emit_move_insn): Likewise.
1675         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1676         Likewise.
1677         * stor-layout.c (get_best_mode): Likewise.
1678         * tree-ssa-loop-niter.c (get_val_for): Likewise.
1679         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1680         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1681         perform_var_substitution, solve_graph): Likewise.
1682         * tree-vrp.c (vrp_finalize): Likewise.
1683
1684 2007-02-01  Ian Lance Taylor  <iant@google.com>
1685
1686         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1687         high part of a paradoxical subreg, return a constant zero.
1688
1689 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
1690
1691         * toplev.c (lang_dependent_init): Call init_set_costs.
1692         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1693
1694 2007-02-01  Richard Guenther  <rguenther@suse.de>
1695
1696         PR middle-end/30656
1697         * fold-const.c (fold_negate_expr): Allow negating a
1698         constant if overflow does not change.
1699
1700 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1701
1702         * doc/c-tree.texi (Expression trees): Improve markup.
1703         * doc/tm.texi (Register Classes, Addressing Modes)
1704         (Floating Point): Fix spacing after abbreviations.  Fix some
1705         typos.
1706
1707 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1708
1709         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1710         * doc/contrib.texi: Likewise.
1711         * doc/install.texi: Likewise.
1712
1713 2007-01-31  Richard Henderson  <rth@redhat.com>
1714             Ian Lance Taylor  <iant@google.com>
1715
1716         * lower-subreg.c: New file.
1717         * rtl.def (CONCATN): Define.
1718         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1719         pass_lower_subreg2.
1720         * emit-rtl.c (update_reg_offset): New static function, broken out
1721         of gen_rtx_REG_offset.
1722         (gen_rtx_REG_offset): Call update_reg_offset.
1723         (gen_reg_rtx_offset): New function.
1724         * regclass.c: Revert patch of 2006-03-05, restoring
1725         reg_scan_update.
1726         (clear_reg_info_regno): New function.
1727         * dwarf2out.c (concatn_loc_descriptor): New static function.
1728         (loc_descriptor): Handle CONCATN.
1729         * common.opt (fsplit_wide_types): New option.
1730         * opts.c (decode_options): Set flag_split_wide_types when
1731         optimizing.
1732         * timevar.def (TV_LOWER_SUBREG): Define.
1733         * rtl.h (gen_reg_rtx_offset): Declare.
1734         (reg_scan_update): Declare.
1735         * regs.h (clear_reg_info_regno): Declare.
1736         * tree-pass.h (pass_lower_subreg): Declare.
1737         (pass_lower_subreg2): Declare.
1738         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1739         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1740         -fsplit-wide-types.
1741         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1742         * Makefile.in (OBJS-common): Add lower-subreg.o.
1743         (lower-subreg.o): New target.
1744
1745 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1746
1747         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1748
1749 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1750
1751         PR target/19087
1752         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1753
1754 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1755
1756         PR middle-end/29335
1757         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1758
1759 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1760
1761         * cfgloop.h: Include vec-prim.h.
1762         (enum li_flags): Remove LI_ONLY_OLD.
1763         (loop_iterator): Changed.
1764         (fel_next, fel_init): Iterate over loop tree.
1765         (FOR_EACH_LOOP_BREAK): New macro.
1766         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1767         FOR_EACH_LOOP.
1768         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1769         * modulo-sched.c (sms_schedule): Ditto.
1770         * tree-vectorizer.c (vectorize_loops): Ditto.
1771         * doc/loop.texi: Update information on loop numbering and behavior of
1772         FOR_EACH_LOOP wrto new loops.
1773         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1774         add_to_evolution_1): Test nestedness of loops instead of comparing
1775         their numbers.
1776         * tree-chrec.c (chrec_fold_plus_poly_poly,
1777         chrec_fold_multiply_poly_poly, chrec_evaluate,
1778         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1779         reset_evolution_in_loop): Ditto.
1780         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1781
1782 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1783
1784         * c-common.c (warn_about_parentheses): Separate warning about
1785         un-parenthized sequence of comparison operators from the one
1786         which is supposed to warn about x <= y <= z.
1787
1788 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         * optabs.h (enum optab_index): Add new OTI_isinf.
1791         (isinf_optab): Define corresponding macro.
1792         * optabs.c (init_optabs): Initialize isinf_optab.
1793         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1794         patterns.
1795         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1796         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1797         using isinf_optab.
1798         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1799         expand_builtin_interclass_mathfn.
1800         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1801         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1802         (fxam<mode>2_i387): New insn pattern.
1803         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1804         built-in functions as x87 inline asm.
1805
1806 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1807
1808         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1809
1810 2007-01-30  Eric Christopher  <echristo@apple.com>
1811
1812         * config.gcc: Add geode.
1813
1814 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1815
1816         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1817         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1818         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1819         value-prof.c: Fix comment typos.
1820
1821 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1822
1823         PR c++/24745
1824         * doc/invoke.texi (Wpointer-arith): Document warning.
1825
1826 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
1827
1828         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1829         the list of discrepancies from the draft TR.
1830
1831 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1832
1833         PR c++/30601
1834         * doc/invoke.texi (-Wreturn-type): Update description to
1835         match new behavior.
1836
1837 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1838
1839         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1840
1841 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1842
1843         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1844         to handle optabs that operate on floating point input argument and
1845         output to integer output.
1846         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1847         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1848         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1849         expand_builtin_interclass_mathfn ().
1850         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1851         (ilogbsi2): Remove.
1852         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1853         ilogbl built-in functions as x87 intrinsics.
1854
1855 2007-01-30  Richard Guenther  <rguenther@suse.de>
1856
1857         PR middle-end/27657
1858         * dwarf2out.c (reference_to_unused): Query varpool if the
1859         variable was output.
1860
1861 2007-01-30  Richard Guenther  <rguenther@suse.de>
1862
1863         PR middle-end/30313
1864         * passes.c (execute_one_pass): Reset in_gimple_form to not
1865         confuse non-unit-at-a-time mode.
1866
1867 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1868             Richard Guenther  <rguenther@suse.de>
1869
1870         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1871         avoid undefined behaviour on overflow.  Use force_fit_type_double
1872         to construct the constant with the specified TREE_OVERFLOW.
1873
1874 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1875
1876         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1877         * config/dfp-bit.h: Ditto.
1878
1879 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1880
1881         * c-decl.c (pop_scope): Replace warnings with call to
1882         warn_for_unused_label.
1883         * c-common.h (warn_for_unused_label): Declare.
1884         * c-common.c (warn_for_unused_label): Define.
1885
1886 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1887
1888         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1889         function.
1890
1891 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1892
1893         * Makefile.in (USER_H): Remove decfloat.h.
1894         * ginclude/decfloat.h: Delete, moving contents to ...
1895         * ginclude/float.h: Add support for decimal floating point,
1896         guarded by __STDC_WANT_DEC_FP__.
1897
1898 2007-01-29  Mike Stump  <mrs@apple.com>
1899
1900         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1901         Analysis and Representation to resolve case insensitive conflict.
1902         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1903
1904 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1905
1906         * tree.h (struct tree_memory_tag): Add aliases member.
1907         (MTAG_ALIASES): New macro.
1908         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1909         (add_may_alias): Remove pointer-set. Update for may_aliases being
1910         a bitmap.
1911         (mark_aliases_call_clobbered): Update for may_aliases being a
1912         bitmap.
1913         (compute_tag_properties): Ditto.
1914         (create_partition_for): Ditto.
1915         (compute_memory_partitions): Ditto.
1916         (dump_may_aliases_for): Ditto.
1917         (is_aliased_with): Ditto.
1918         (add_may_alias_for_new_tag): Ditto.
1919         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1920         (compute_is_aliased): New function.
1921         (compute_may_aliases): Call compute_is_aliased).
1922         (init_alias_info): Initialize alias_bitmap_obstack.
1923         (union_alias_set_into): New function.
1924         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1925         (have_common_aliases_p): Rewrite to take two bitmaps and use
1926         intersection.
1927         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1928         Update for bitmaps.
1929         (finalize_ref_all_pointers): Update for add_may_alias changes.
1930         (new_type_alias): Ditto.
1931         * tree-flow-inline.h (may_aliases): Return a bitmap.
1932         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1933         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1934         may_aliases being a bitmap.
1935         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1936         may_aliases now returns a bitmap.
1937         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1938         being a bitmap.
1939         * tree-ssa-operands.c (add_virtual_operand): Update for
1940         may_aliases being a bitmap.
1941
1942 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1943
1944         PR tree-optimization/30630
1945         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1946         variable as changed.
1947
1948 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1949
1950         PR c++/28266
1951         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1952         expanded only once even if an error occurs.
1953
1954 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1955
1956         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1957         (__gcov_average_profiler): Likewise.
1958         (__gcov_ior_profiler): Likewise.
1959         (__gcov_merge_ior): Likewise.
1960
1961 2007-01-28  Jan Hubicka  <jh@suse.cz>
1962
1963         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1964         * value-prof.c (stringop_block_profile): Likewise.
1965
1966 2007-01-28  Jan Hubicka  <jh@suse.cz>
1967
1968         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1969         variant handling histograms; add wrapper.
1970         (clear_storage_via_libcall): Export.
1971         (emit_block_move_hints): Break out from ...; add histograms.
1972         (emit_block_move): ... this one.
1973         (clear_storage_hints): Break out from ...; add histograms.
1974         (clear_storage): ... this one.
1975         (set_storage_via_memset): Handle histogram.
1976         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1977         (clear_storage_hints, clear_storage_via_libcall): Declare.
1978         (set_storage_via_setmem): Update prototype.
1979         * doc/md.texi (movmem, setmem): Document new arguments.
1980
1981         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1982         new histograms.
1983         (stringop_block_profile): New global function.
1984         (tree_stringops_values_to_profile): Profile block size and alignment.
1985         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1986         HIST_TYPE_IOR.
1987         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1988         (stringop_block_profile): Declare.
1989         * builtins.c: Include value-prof.h.
1990         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1991         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1992         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1993         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1994         * profile.c (instrument_values): Add new counters.
1995         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1996         calls.
1997         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1998         (tree_init_edge_profiler): Build new profilers.
1999         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
2000         (pass_tree_profile): Add dump.
2001         (tree_profile_hooks): Update.
2002         * Makefile.in (LIBGCOV): Add new constants.
2003         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
2004         __gcov_ior_profiler): New.
2005         * i386.md (movmem/setmem expanders): Add new optional arguments.
2006
2007 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
2008
2009         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
2010
2011 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2012
2013         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
2014         (tree_unswitch_single_loop): Pass eni_size_weights to
2015         tree_num_loop_insns.
2016         * tree-ssa-loop-manip.c: Include tree-inline.h.
2017         (can_unroll_loop_p): Pass eni_size_weights to
2018         tree_num_loop_insns.
2019         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
2020         Pass eni_size_weights to estimate_num_insns.
2021         * tree.h (init_inline_once): Export.
2022         * toplev.c (backend_init): Call init_inline_once.
2023         * cgraphunit.c (cgraph_process_new_functions,
2024         cgraph_analyze_function): Pass eni_inlining_weights to
2025         estimate_num_insns.
2026         * ipa-inline.c (compute_inline_parameters): Ditto.
2027         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
2028         to estimate_num_insns.
2029         (try_unroll_loop_completely): Pass eni_size_weights to
2030         tree_num_loop_insns.
2031         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
2032         ot estimate_num_insns.
2033         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
2034         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
2035         * tree-inline.c (eni_inlining_weights, eni_size_weights,
2036         eni_time_weights): New variables.
2037         (init_inline_once): Initialize them.
2038         (struct eni_data): Mew.
2039         (estimate_num_insns_1, estimate_num_insns): Use weights.
2040         * tree-inline.h (struct eni_weights_d): New.
2041         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
2042         (estimate_num_insns): Declaration changed.
2043         * cfgloop.h (tree_num_loop_insns): Declaration changed.
2044         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
2045         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
2046
2047 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2048
2049         * tree-data-ref.c (conflict_fn): Assert that the number of affine
2050         relations in the conflict function is valid.
2051
2052 2007-01-27  Ian Lance Taylor  <iant@google.com>
2053
2054         * common.opt: Add fstrict-overflow.
2055         * opts.c (decode_options): Set flag_strict_overflow if -O2.
2056         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
2057         (TYPE_OVERFLOW_UNDEFINED): Define.
2058         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
2059         Replace all uses.
2060         * tree.h (TYPE_TRAP_SIGNED): Don't define.
2061         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
2062         (fold_negate_expr): Likewise.
2063         (make_range): Likewise.
2064         (extract_muldiv_1): Likewise.
2065         (maybe_canonicalize_comparison): Likewise.
2066         (fold_comparison): Likewise.
2067         (fold_binary): Likewise.
2068         (tree_expr_nonnegative_p): Likewise.
2069         (tree_expr_nonzero_p): Likewise.
2070         * tree-vrp.c (compare_values): Likewise.
2071         (extract_range_from_binary_expr): Likewise.
2072         (extract_range_from_unary_expr): Likewise.
2073         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
2074         Likewise.
2075         (nowrap_type_p): Likewise.
2076         * tree-scalar-evolution.c (simple_iv): Likewise.
2077         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
2078         (build_range_check): Likewise.
2079         (extract_muldiv_1): Likewise.
2080         (fold_comparison): Likewise.
2081         * tree-vrp.c (vrp_int_const_binop): Likewise.
2082         (extract_range_from_unary_expr): Likewise.
2083         * convert.c (convert_to_integer): Likewise.
2084         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
2085         (fold_comparison): Likewise.
2086         (fold_binary): Likewise.
2087         * optabs.c (optab_for_tree_code): Likewise.
2088         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
2089         * simplify-rtx.c (simplify_const_relational_operation): Check
2090         flag_strict_overflow and flag_trapv.
2091         (simplify_const_relational_operation): Likewise.
2092         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
2093         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
2094         -fstrict-overflow.
2095
2096 2007-01-27  Roger Sayle  <roger@eyesopen.com>
2097
2098         * tree.c (tree_fold_gcd): Delete.
2099         * tree.h (tree_fold_gcd): Remove prototype.
2100         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
2101         test whether one constant integer is a multiple of another.  Instead
2102         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
2103         * fold-const.c (multiple_of_p):  We've determined both TOP and
2104         BOTTOM are integer constants so we can call int_const_binop directly
2105         instead of the more generic const_binop.
2106
2107 2007-01-27  Roger Sayle  <roger@eyesopen.com>
2108
2109         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
2110         1*X check that the constant hasn't overflowed, to preserve the
2111         TREE_OVERFLOW bit.
2112         (round_up): Provide an efficient implementation when rouding-up an
2113         INTEGER_CST to a power-of-two.
2114
2115 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2116
2117         * doc/sourcebuild.texi: Add comma for clarity.
2118         * doc/extend.texi: Fix some typos.
2119         * doc/passes.texi: Likewise.
2120         * doc/cppinternals.texi: Likewise.
2121         * doc/c-tree.texi: Likewise.
2122         * doc/tree-ssa.texi: Likewise.
2123         * doc/install.texi: Likewise.
2124
2125 2007-01-27  Jan Hubicka  <jh@suse.cz>
2126
2127         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
2128         (pass_sra): Do not require alias information.
2129         * passes.c (init_optimization_passes): Add SRA
2130
2131 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
2132
2133         * tracer.c (rest_of_handle_tracer): We already cleaned
2134         up the CFG in tracer() so don't do it here again.
2135         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
2136         cleanup_cfg here, either.  And don't call renumber_insns.
2137
2138         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
2139         and BB_HEAD are in the insn stream here.  Instead make sure
2140         that BB_INSN is valid on all insns.  Also, do check here that
2141         there are no pending branch predictions...
2142         (rtl_verify_flow_info): ...instead of doing it here.  Checks
2143         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
2144         here.
2145
2146 2007-01-26  Roger Sayle  <roger@eyesopen.com>
2147
2148         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
2149         function to simplify/factorize operand order canonicalization.
2150         (ix86_fixup_binary_operands): Reorganize using the above function.
2151         (ix86_binary_operator_ok): Likewise.
2152
2153 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
2154
2155         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
2156         file scope from optimize_attrs.
2157         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
2158         up search.
2159         (optimize_attrs): Clear insn_code_values after freeing it.
2160
2161 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2162
2163         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
2164         a parts.base assignment.
2165
2166 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2167
2168         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
2169         (compute_subscript_distance, initialize_data_dependence_relation,
2170         finalize_ddr_dependent, analyze_ziv_subscript,
2171         analyze_siv_subscript_cst_affine,
2172         compute_overlap_steps_for_affine_univar,
2173         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
2174         analyze_siv_subscript, analyze_miv_subscript,
2175         analyze_overlapping_iterations, subscript_dependence_tester_1,
2176         compute_self_dependence, free_dependence_relation): Work
2177         with affine_fn instead of chrecs.
2178         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
2179         common_affine_function, affine_function_base,
2180         affine_function_constant_p, affine_fn_op, affine_fn_plus,
2181         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
2182         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
2183         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
2184         (all_chrecs_equal_p): Removed.
2185         * tree-data-ref.h (affine_fn, conflict_function): New types.
2186         (struct subscript): Change type of conflicting_iterations_in_a
2187         and conflicting_iterations_in_b.
2188
2189 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
2190
2191         PR other/30182
2192         * config/pa/pa.h (TARGET_HPUX_11): New.
2193         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
2194         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
2195
2196 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
2197         Richard Guenther  <rguenther@suse.de>
2198
2199         * tree-ssa-structalias.c (solve_graph): Handle case
2200         we merged the variable to another.
2201
2202 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2203
2204         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
2205         functions.
2206
2207         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
2208         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
2209
2210 2007-01-25  DJ Delorie  <dj@redhat.com>
2211
2212         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
2213         allow changes to modes which don't fit in those registers.
2214
2215         * reload1.c (choose_reload_regs): Check for invalid subregs before
2216         computing their locations, not after.
2217
2218 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
2219
2220         PR 25127
2221         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
2222         save Altivec registers in an eh_return function.
2223         (compute_vrsave_mask): Likewise.
2224         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
2225         for saving Altivec registers.
2226         (rs6000_emit_prologue): Don't allocate stack twice in
2227         eh_return function.  Correct expected value of altivec_save_offset
2228         when using save_world.  Describe save of R0 to stack when using
2229         save_world.  Describe stack pointer adjustment when using
2230         save_world.  Remove duplicated eh_return parameter register saving.
2231         Update sp_offset variable after save_world.
2232         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
2233         darwin-world.asm.
2234         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
2235         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
2236         implies Altivec.
2237
2238 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2239
2240         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
2241
2242 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
2243
2244         PR other/30182
2245         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
2246         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
2247
2248 2007-01-25  Richard Guenther  <rguenther@suse.de>
2249
2250         * doc/invoke.texi (-Wcoverage-mismatch): Document.
2251         * common.opt (-Wcoverage-mismatch): New warning option.
2252         * coverage.c (get_coverage_counts): Ignore coverage mismatch
2253         if -Wcoverage-mismatch is given.
2254
2255 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
2256
2257         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
2258         (ipcp_driver): Change to static definition.
2259         Add dumping of the ifunctions.
2260         (constant_val_insert): Remove unused parameter. Support for SSA.
2261         (ipcp_propagate_const): Support for SSA.
2262         (ipcp_profile_bb_print): Print only analyzed nodes.
2263         (ipcp_replace_map_create): Remove support for Fortran constant
2264         for now.
2265         * ipa-prop.c (ipa_method_modify_stmt,
2266         ipa_callsite_compute_param): Support for SSA.
2267         * ipa-prop.h (ipcp_driver): Remove declaration.
2268         (IS_VALID_TREE_MAP_INDEX): Add define.
2269
2270 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
2271
2272         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
2273
2274 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2275
2276         PR middle-end/30447
2277         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
2278         constant argument to cabs and do it without checking for
2279         -funsafe-math-optimizations.
2280
2281 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
2282
2283         * c-common.h (RID_FIRST_CXX0X): New.
2284         (RID_LAST_CXX0X): New.
2285         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
2286         by -Wall.
2287         * c.opt (Wc++0x-compat): New.
2288         * doc/invoke.texi (-Wc++0x-compat): Document.
2289
2290 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2291
2292         * builtins.c (fold_builtin_carg): New.
2293         (fold_builtin_1): Use it.
2294
2295 2007-01-24  Jan Hubicka  <jh@suse.cz>
2296
2297         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
2298
2299         * ipa-inline.c (initial_insns, max_insns): Delete.
2300         (compute_max_insns): New function.
2301         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
2302         of insns as base for code growth.
2303         (cgraph_decide_inlining): Make initial_insns local; do not compute
2304         max_insns.
2305         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
2306         * doc/invoke.texi (inline-unit-growth): Update docs.
2307
2308 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
2309
2310         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
2311         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
2312         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
2313         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
2314         for CPUs that have PTA_CX16 set.
2315
2316         PR middle-end/27416
2317         * gimplify.c (omp_check_private): New function.
2318         (gimplify_scan_omp_clauses): Use it for
2319         firstprivate/lastprivate/reduction.
2320
2321         PR middle-end/30494
2322         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2323         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2324
2325         PR middle-end/30421
2326         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2327         If lower_lastprivate_clauses emits some statements, append them
2328         to dlist rather than body_p and to body_p append an initializer.
2329         (lower_omp_for): Adjust caller.
2330
2331 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
2332
2333         * target.h (globalize_decl_name): New.
2334         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2335         * output.h (default_globalize_decl_name): New.
2336         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2337         globalize_label.
2338         (globalize_decl): Ditto.
2339         (default_globalize_decl_name): New.
2340         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2341         (ia64_handle_version_id_attribute): New.
2342         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2343         (ia64_asm_output_external): Use globalize_decl_name instead
2344         of globalize_label.
2345         * doc/extend.texi (version_id): New pragma.
2346         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2347
2348 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2349
2350         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2351         _uleb128_t and _Unwind_SWord with _sleb128_t.
2352         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2353         uw_frame_state_for, uw_update_context_1): Likewise.
2354         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2355         * unwind-pe.h (read_uleb128, read_sleb128,
2356         read_encoded_value_with_base): Likewise.
2357         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2358
2359 2007-01-24  Richard Guenther  <rguenther@suse.de>
2360
2361         * builtins.c (expand_builtin_cexpi): Get the fndecl
2362         for cexp in the correct way.
2363
2364 2007-01-24  Jan Hubicka  <jh@suse.cz>
2365
2366         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2367
2368 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2369
2370         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2371         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2372         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2373         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2374         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2375         __SIZEOF_PTRDIFF_T__.
2376         * doc/cpp.texi: Documentation for the new builtin macros added.
2377
2378 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
2379
2380         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2381         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2382         instead of operands[2] to avoid access past the end of array.
2383
2384 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
2385
2386         * reload1.c (emit_reload_insns): Pass the reload register
2387         for a non-spill output reload through forget_old_reloads_1.
2388
2389 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
2390
2391         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2392         _SOFT_DOUBLE if doubles use software floating-point.
2393         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2394         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2395         * config/rs6000/darwin-ldouble.c: Also compile functions for
2396         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
2397         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2398         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2399         commented-out long double override.
2400         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2401         * config/rs6000/eabispe.h: Likewise.
2402         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2403         long double for non-SPE.
2404         (rs6000_handle_option): Likewise.
2405         (invalid_e500_subreg): Disallow more subregs involding DImode,
2406         DFmode, TImode or TFmode.
2407         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2408         E500 double.
2409         (legitimate_lo_sum_address_p): Also check for TFmode for E500
2410         double.
2411         (rs6000_legitimize_address): Also handle TFmode for E500 double.
2412         (rs6000_legitimize_reload_address): Also handle TFmode for E500
2413         double.
2414         (rs6000_legitimate_address): Also check for TFmode for E500
2415         double.
2416         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2417         (spe_build_register_parallel): Handle TFmode and TCmode.
2418         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2419         double.
2420         (function_arg): Handle TFmode and TCmode for E500 double.
2421         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2422         in general.
2423         (print_operand): Handle TFmode and TImode for %y.
2424         (rs6000_generate_compare): Handle TFmode comparisons for E500
2425         double.
2426         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2427         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2428         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2429         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2430         TFmode for E500 double.
2431         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2432         (floatsidf2): Enable for E500 double.
2433         (movtf_softfloat): Use rs6000_nonimmediate_operand.
2434         (extenddftf2): Change to extenddftf2_fprs.
2435         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2436         depending on TARGET_E500_DOUBLE.
2437         (extendsftf2): Enable for E500 double.
2438         (trunctfdf2): Enable for E500 double.
2439         (trunctfsf2): Change to trunctfsf2_fprs.
2440         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2441         depending on TARGET_E500_DOUBLE.
2442         (floatsitf2): Enable for E500 double.
2443         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2444         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2445         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2446         (negtf2): Change to negtf2_internal.
2447         (negtf2): New expander.
2448         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
2449         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2450         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2451         (movdi_internal32): Use rs6000_nonimmediate_operand.
2452         (unnamed splitter): Likewise.
2453         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2454         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2455         (SPE64TF, DITI): New mode macros.
2456         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2457         modes.
2458         (frob_tf_ti): New.
2459         (frob_<mode>_di_2): New.
2460         (frob_tf_di_8_2): New.
2461         (frob_di_df): Change to frob_di_<mode>; allow more modes.
2462         (frob_ti_tf): New.
2463         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2464         more modes.
2465         (frob_ti_<mode>_8_2): New.
2466         (frob_ti_tf_2): New.
2467         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2468         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2469         TFmode.
2470         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2471         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2472         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2473         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2474         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2475         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2476         tsttflt_gp): New.
2477
2478 2007-01-23  Ian Lance Taylor  <iant@google.com>
2479
2480         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2481         insn-*.o first.
2482         (OBJS-archive): Reformat, alphabetize.
2483         (OBJS): Change out_object_file to OBJS-md.
2484
2485 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
2486
2487         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2488         JUMP_P and CALL_P predicates where applicable.
2489         * config/i386/i386.c: Ditto.
2490         * config/i386/i386.md: Ditto.
2491         * config/i386/mmx.md: Ditto.
2492         * config/i386/predicates.md: Ditto.
2493
2494 2007-01-22  Andreas Schwab  <schwab@suse.de>
2495
2496         * config/m68k/m68k.h: Fix comment.
2497
2498 2007-01-22  Jan Hubicka  <jh@suse.cz>
2499
2500         * passes.c (init_optimization_passes): Do not rerun
2501         pass_early_warn_uninitialized.
2502
2503 2007-01-22  Richard Guenther  <rguenther@suse.de>
2504
2505         PR tree-optimization/30038
2506         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2507         function.
2508         (execute_cse_sincos_1): Likewise.
2509         (execute_cse_sincos): Likewise.
2510         (gate_cse_sincos): Likewise.
2511         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2512         the cexpi() canonicalization of sincos().
2513         * tree-pass.h (pass_cse_sincos): Declare.
2514         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2515
2516 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2517
2518         PR rtl-optimization/29329
2519         * combine.c (replaced_rhs_insn): Rename to i2mod.
2520         (replaced_rhs_value): Rename to i2mod_new_rhs.
2521         (i2mod_old_rhs): New global variable.
2522         (combine_instructions): Adjust for above change.  Save a copy of
2523         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2524         note are substituted in the second instruction.
2525         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2526         ditch the note if it pertains to the second eliminated register
2527         and this register is mentioned in i2mod_old_rhs.
2528
2529         Revert:
2530         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2531
2532         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2533         the insn to which the note was originally attached.
2534
2535 2007-01-21  Jan Hubicka  <jh@suse.cz>
2536
2537         * ipa-inline.c (inlining_mode): Comment, move up.
2538         (cgraph_decide_inlining_incrementally): Do not perform inlining
2539         itself; fix handling of flattening of self recursive functions.
2540         (cgraph_find_cycles): Remove.
2541         (cgraph_flatten_node): Remove.
2542         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2543         (try_inline): New function.
2544         (cgraph_early_inlining): Update call of
2545         cgraph_decide_inlining_incrementally.  Apply inlining here.
2546         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2547
2548 2007-01-21  Dirk Mueller  <dmueller@suse.de>
2549
2550         PR bootstrap/30511
2551         * tree-vrp.c (check_array_bounds): do not warn
2552         about ADDR_EXPR's of ARRAY_REF's which are immediately
2553         used in binary expressions.
2554
2555 2007-01-21  Ira Rosen  <irar@il.ibm.com>
2556
2557         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2558         read_write_dep and macros for its access.
2559         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2560         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2561         argument, call vect_check_interleaving for every independent pair of
2562         data-refs. Mark loads that access the same memory location as a store
2563         in the loop.
2564         (vect_check_dependences): Remove.
2565         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
2566         call, fix the call to vect_analyze_data_ref_dependence.
2567         (vect_analyze_data_ref_access): For statements that access the same
2568         data-ref, check that they are not stores; for loads, check that there
2569         is no store that access the same location.
2570
2571 2007-01-20  Roger Sayle  <roger@eyesopen.com>
2572             Joseph Myers  <joseph@codesourcery.com>
2573
2574         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2575         (-fdump-rtl-stack): Likewise.
2576         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
2577         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2578         (-mpt-fixed): Use @minus{} for minus sign.
2579         (Using Precompiled Headers): Fix under/overfull hbox.
2580
2581 2007-01-20  Jan Hubicka  <jh@suse.cz>
2582
2583         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2584         place within annotation.
2585
2586 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2587
2588         * pa.c (output_move_double): Change array size of xoperands to 4.
2589
2590 2007-01-20  Jan Hubicka  <jh@suse.cz>
2591
2592         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2593         as temporary.
2594
2595 2007-01-19  Ian Lance Taylor  <iant@google.com>
2596
2597         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2598         constant to unsigned HOST_WIDE_INT before negating.
2599
2600 2007-01-19  Ian Lance Taylor  <iant@google.com>
2601
2602         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2603         to unsigned.
2604         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2605         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2606         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2607         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2608         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2609         (realloc_vdef, realloc_vuse): Change second parameter to
2610         unsigned.
2611         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2612         fields to unsigned.
2613         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2614         unsigned. Change x and lim locals to unsigned.
2615         (realloc_vdef, realloc_vuse): Change num_elem parameter to
2616         unsigned.
2617         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2618         (copy_virtual_operands): Change i and n locals to unsigned.
2619
2620 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2621
2622         PR middle-end/29335
2623         * builtins.c (fold_builtin_1): Handle builtin fdim.
2624
2625 2007-01-20  Jan Hubicka  <jh@suse.cz>
2626
2627         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2628         * tree-ssa-structalias.c (compute_points_to_sets): Do call
2629         init_alias_heapvars.
2630         (init_alias_heapvars): Initialize only when not already initialized.
2631         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2632
2633 2007-01-19  Roger Sayle  <roger@eyesopen.com>
2634
2635         * common.opt (fsigned-zeros): New command line option.
2636         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2637         of flag_unsafe_math_optimizations.
2638         * opts.c (set_fast_math_flags): The -ffast-math command line option
2639         implies -fno-signed-zeros.
2640         (fast_math_flags_set_p): Likewise.
2641
2642         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2643         the documentation of -ffast-math appropriately.  Wrap long lines.
2644
2645 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
2646
2647         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2648         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2649
2650 2007-01-19  Tomas Bily  <tbily@suse.cz>
2651
2652         * cgraphunit.c (cgraph_finalize_function): Updating of pid
2653         * tree-profile.c:
2654         (tree_init_ic_make_global_vars): New function
2655         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2656         (tree_gen_ic_profiler): New function
2657         (tree_gen_ic_func_profiler): New function
2658         (tree_profiling): Added calling of tree_gen_ic_func_profiler
2659         (tree_profile_hooks): Added hook for indirec/virtual calls
2660         * value-prof.c (tree_find_values_to_profile): New case for
2661         indirect calls
2662         (tree_values_to_profile): Call for determining indirect/virtual
2663         counters
2664         (tree_indirect_call_to_profile): New function
2665         (tree_ic_transform): New function
2666         (tree_ic): New function
2667         (find_func_by_pid): New function
2668         (init_pid_map): New function
2669         (tree_value_profile_transformations): Added check for
2670         indirect/virtual call transformation
2671         * value-prof.h (enum hist_type): New counter type for
2672         indirect/virtual calls
2673         (profile_hooks): Added new hook for profiling indirect/virtual
2674         calls
2675         * profile.c (instrument_values): New case for indirect/virtual
2676         call added
2677         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2678         (GCOV_COUNTER_V_INDIR): New counter type
2679         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2680         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2681         call added
2682         * cgraph.c: Definition of cgraph_max_pid
2683         (cgraph_create_node): Default init of pid attribute
2684         * cgraph.h: Declaration of cgraph_max_pid
2685         (struct cgraph_node): Added pid attribute
2686         * libgcov.c (__gcov_indirect_call_profiler): New function
2687         (__gcov_one_value_profiler_body): New function
2688         (__gcov_one_value_profiler): Body was moved to
2689         __gcov_one_value_profiler_body and calls it
2690
2691 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
2692
2693         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2694         * gengtype.c (write_types_data, write_func_for_structure,
2695         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2696         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2697         (walk_type, write_func_for_structure): Generate the mark_hook if
2698         needed.
2699
2700 2007-01-19  Jan Hubicka  <jh@suse.cz>
2701
2702         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2703         'early' argument take inlining mode argument specifying whether to
2704         inline for size/speeed or all functions; add support for flattening;
2705         improve dumpting.
2706         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2707
2708 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2709
2710         PR c++/17947
2711         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2712         the name of the declared identifier.
2713
2714 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2715
2716         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2717         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2718         duplicate evaluation.
2719
2720 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2721
2722         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2723         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2724         to XFMode, use acosxf2 and truncate result to requested mode.
2725         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2726         (asin<mode>2): Similarly, with asin expanders.
2727         (*fscalexf4_i387): Rename from *fscalexf4.
2728         (expNcorexf3): New expander.
2729         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2730         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2731         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2732         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2733         patterns for SSE math.
2734         (exp10<mode>2): Similarly, with exp10 expanders.
2735         (exp2<mode>2): Similarly, with exp2 expanders.
2736         (expm1<mode>2): Similarly, with expm1 expanders.
2737         (ldexp<mode>3): Similarly, with ldexp expanders.
2738         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2739         Use gen_truncxf<mode>2_i387_noop to truncate result.
2740
2741 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2742
2743         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2744         for ColdFire targets.
2745
2746 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2747             Richard Sandiford  <richard@codesourcery.com>
2748
2749         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2750         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2751         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2752         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2753         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2754         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2755
2756 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2757
2758         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2759         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2760         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2761         (*adddi_dilshr32_cf): New pattern.
2762         (adddi3, subdi3): Remove first alternatives.
2763
2764 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2765
2766         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2767         implemented using move.l, do not use its cc result for floating-point
2768         comparisons.
2769
2770 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2771
2772         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2773         from accepting 's' constraints if flag_pic.
2774
2775 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2776
2777         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2778         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2779         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2780         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2781
2782 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2783
2784         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2785         ColdFire alternatives.
2786         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2787         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2788         architectures that support ff1 instruction.
2789
2790 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2791             Julian Brown  <julian@codesourcery.com>
2792
2793         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2794         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2795         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2796         Add commentary.
2797
2798 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2799
2800         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2801         and return a bool.
2802         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2803         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2804         HOST_WIDE_INT instead of an rtx.
2805         (m68k_rtx_costs): Update call accordingly.
2806         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2807         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2808         Return a bool.
2809         (output_move_simode_const): Update calls after above changes.
2810         Rework to use automatic variables and predicates like MEM_P.
2811         * config/m68k/m68k.md (pushexthisi_const): Update call to
2812         valid_mov3q_const.
2813
2814 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2815
2816         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2817         in dump_flags test.
2818
2819 2007-01-19  Richard Guenther  <rguenther@suse.de>
2820
2821         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2822         via cexp in case sincos is not available.
2823
2824 2007-01-19  Richard Guenther  <rguenther@suse.de>
2825
2826         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2827         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2828         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2829         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2830         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2831         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2832         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2833         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2834
2835 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2836
2837         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2838         New insn patterns.
2839         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2840         (atan2xf3): Directly generate RTL pattern.
2841         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2842         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2843         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2844         disable patterns for SSE math.
2845         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2846         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2847         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2848         disable patterns for SSE math.
2849
2850 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2851
2852         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2853
2854 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2855
2856         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2857         VIEW_CONVERT_EXPR to the same type as it's operand.
2858
2859 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2860
2861         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2862         configured for long double 128.
2863
2864 2007-01-18  Mike Stump  <mrs@apple.com>
2865
2866         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2867         error.
2868
2869 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2870
2871         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2872         type correct.
2873
2874 2007-01-18  Jan Hubicka  <jh@suse.cz>
2875
2876         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2877         greater than NUM_VOP_FREE_BUCKETS.
2878
2879 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2880
2881         * tree-ssa-structalias.c: Update comments.
2882         (ptabitmap_obstack): Removed.
2883         (pta_obstack): New.
2884         (oldpta_obstack): Ditto.
2885         (stats): Add a few members.
2886         (struct variable_info): Remove node, complex, address_taken, and
2887         indirect_target members. Add oldsolution member.
2888         (new_var_info): Do not initialize removed members.
2889         (constraint_expr_type): Remove INCLUDES.
2890         (constraint_graph): Add size, implicit_preds, rep,
2891         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2892         (FIRST_REF_NODE): New macro.
2893         (LAST_REF_NODE): Ditto.
2894         (FIRST_ADDR_NODE): Ditto.
2895         (find): New function.
2896         (unite): Ditto.
2897         (dump_constraint): Do not handle INCLUDES.
2898         (insert_into_complex): Do not insert duplicate constraints.
2899         (condense_varmap_nodes): Renamed and rewritten into ...
2900         (merge_node_constraints): This. Also fix bug in handling of
2901         offseted copy constraints.
2902         (clear_edges_for_node): No longer need to deal with preds at all,
2903         or removing associated preds/succs.
2904         (merge_graph_nodes): Deal with indirect_cycles.
2905         Don't deal with predecessors.
2906         (add_implicit_graph_edge): New function.
2907         (add_pred_graph_edge): Ditto.
2908         (add_graph_edge): Don't deal with predecessors.
2909         (build_constraint_graph): Removed.
2910         (build_pred_graph): New function.
2911         (build_succ_graph): Ditto.
2912         (struct scc_info): Removed in_component. Added roots, dfs, and
2913         node_mapping. Remove visited_index, unification_queue.
2914         (scc_visit): Deal with union-find we do now.
2915         Deal with cycles with REF nodes.
2916         (collapse_nodes): Renamed and rewritten to ...
2917         (unify_nodes): This.
2918         (process_unification_queue): Removed.
2919         (topo_visit): Cleanup
2920         (do_da_constraint): Use find.
2921         (do_sd_constraint): Ditto.
2922         (do_ds_constraint): Ditto.
2923         (do_complex_constraint): Ditto.
2924         (init_scc_info): Update for removed and added members.
2925         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2926         (find_indirect_cycles): This.
2927         (equivalence_class): New variable.
2928         (label_visit): New function.
2929         (perform_variable_substitution): Rewritten.
2930         (free_var_substitution_info): New function.
2931         (find_equivalent_node): Ditto.
2932         (move_complex_constraints): Ditto.
2933         (eliminate_indirect_cycles): Ditto.
2934         (solve_graph): Only propagate changed bits.
2935         Use indirect cycle elimination.
2936         Use find.
2937         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2938         (tree_id_eq): Renamed to ...
2939         (tree_vi_eq): This. Update for member change
2940         (insert_id_for_tree): Renamed and rewritten to ...
2941         (insert_vi_for_tree): This.
2942         (lookup_id_for_tree): Renamed and rewritten to ...
2943         (lookup_vi_for_tree): This.
2944         (get_id_for_tree): Renamed and rewritten to ...
2945         (get_vi_for_tree): Ditto.
2946         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2947         (process_constraint): Don't handle INCLUDES.
2948         Remove special ADDRESSOF case.
2949         (find_func_aliases): Rewrite to use vi functions instead of id
2950         ones.
2951         (create_function_info_for): Ditto.
2952         (create_variable_info_for): Ditto.
2953         (intra_create_variable_infos): Ditto.
2954         (merge_smts_into): Ditto.
2955         (find_what_p_points_to): Ditto.
2956         (init_base_vars): Ditto.
2957         (init_alias_vars): Ditto.
2958         (remove_preds_and_fake_succs): New function.
2959         (dump_sa_points_to_info): Dump new stats.
2960         (dump_solution_for_var): Use find.
2961         (set_used_smts): Fix formatting.
2962         (compute_points_to_sets): Updated for new functions.
2963         (ipa_pta_execute): Ditto.
2964
2965 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2966             Richard Sandiford  <richard@codesourcery.com>
2967
2968         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2969         parallels.
2970         * calls.c (expand_call): If the return value is a PARALLEL,
2971         extract its first member.
2972         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2973         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2974         use FUNCTION_EXTRA_EPILOGUE.
2975         (m68k_function_value): Return a PARALLEL if the return value
2976         is of a pointer type.
2977         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2978         (FUNCTION_EXTRA_EPILOGUE): Remove.
2979         * config/m68k/m68k.md (D0_REG): New constant.
2980
2981 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2982
2983         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2984         output a NOP for empty epilogues.
2985
2986 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2987
2988         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2989         before function.  Extend register save check to include all
2990         registers, not just integer ones.
2991
2992 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2993
2994         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2995         (m68k_use_return_insn): ...this.
2996         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2997         * config/m68k/m68k.c (use_return_insn): Rename to...
2998         (m68k_use_return_insn): ...this.
2999         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
3000         of USE_RETURN_INSN.
3001
3002 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3003
3004         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
3005         nearest even, fix denormal rounding overflow.
3006
3007 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3008
3009         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
3010         f%$smove and f%$move.
3011         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
3012         (extendsfdf2_cf): Use fdmove instead of f%&move.
3013         (truncdfsf2_cf): Use fsmove instead of f%$smove.
3014         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
3015
3016 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3017
3018         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
3019         GPR<-GPR moves.
3020
3021 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3022
3023         * real.h (real_format): Add a canonical_nan_lsbs_set field.
3024         (coldfire_single_format): Declare.
3025         (coldfire_double_format): Likewise.
3026         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
3027         of qnan_msb_set to determine the lower bits of a canonical
3028         NaN significand.
3029         (encode_ieee_double): Likewise.
3030         (encode_ieee_quad): Likewise.
3031         (ieee_single_format): Initialize canonical_nan_lsbs_set.
3032         (mips_single_format): Likewise.
3033         (ieee_double_format): Likewise.
3034         (mips_double_format): Likewise.
3035         (ieee_extended_motorola_format): Likewise.
3036         (ieee_extended_intel_96_format): Likewise.
3037         (ieee_extended_intel_128_format): Likewise.
3038         (ieee_extended_intel_96_round_53_format): Likewise.
3039         (ibm_extended_format): Likewise.
3040         (mips_extended_format): Likewise.
3041         (ieee_quad_format): Likewise.
3042         (mips_quad_format): Likewise.
3043         (vax_f_format): Likewise.
3044         (vax_d_format): Likewise.
3045         (vax_g_format): Likewise.
3046         (i370_single_format): Likewise.
3047         (i370_double_format): Likewise.
3048         (decimal_single_format): Likewise.
3049         (decimal_double_format): Likewise.
3050         (decimal_quad_format): Likewise.
3051         (c4x_single_format): Likewise.
3052         (c4x_extended_format): Likewise.
3053         (real_internal_format): Likewise.
3054         (coldfire_single_format): New real_format.
3055         (coldfire_double_format): Likewise.
3056         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
3057         canonical_nan_lsbs_set.
3058         (pdp11_d_format): Likewise.
3059         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
3060         if TARGET_COLDFIRE_CPU.
3061
3062 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3063
3064         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
3065         (output_call, m68k_legitimize_call_address): Declare.
3066         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
3067         parenthesees.  Add support for a 'W' constraint.
3068         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
3069         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
3070         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
3071         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
3072         variables.
3073         (override_options): Initialize them.  Do not set flag_no_function_cse
3074         for TARGET_ID_SHARED_LIBRARY.
3075         (m68k_output_pic_call): Delete.
3076         (m68k_legitimize_call_address): New function.
3077         (print_operand): Remove the %o prefix.  Handle the %p prefix.
3078         (output_call): New function.
3079         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
3080         target address from the GOT if symbolic jumps are not allowed.
3081         * config/m68k/m68k.md (call, general_operand): Do not set
3082         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
3083         Merge separate flag_pic and !flag_pic define_insns into...
3084         (*call, *call_value): ...these new patterns.  Match the address
3085         rather than the containing MEM and require it to be a call_operand.
3086         Use output_call to generate the asm template.
3087         * config/m68k/predicates.md (const_call_operand): New predicate.
3088         (call_operand): Likewise.
3089
3090 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3091
3092         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
3093         (STACK_GROWS_DOWNWARD): Define to 1.
3094         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
3095         comments, emphasizing that these values are only defaults.
3096         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
3097         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
3098
3099 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3100
3101         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
3102
3103 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3104             Richard Sandiford  <richard@codesourcery.com>
3105
3106         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
3107         (FP_REGNO_P): New macros.
3108         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
3109         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
3110         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
3111         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
3112
3113 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3114
3115         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3116         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
3117         to $tmake_file.
3118         * config/m68k/t-floatlib: New file, extracting common code from...
3119         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3120         * config/m68k/t-uclinux: Here.
3121         * config/m68k/fpgnulib.c: Do not compile extendeed precision
3122         routines on ColdFire targets.
3123
3124 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3125
3126         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3127         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
3128         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
3129         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
3130         explicitly set MOTOROLA to 1.
3131         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
3132
3133 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3134             Nathan Sidwell  <nathan@codesourcery.com>
3135
3136         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
3137         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
3138         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
3139         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
3140         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
3141         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
3142         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
3143         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
3144         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
3145         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3146         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
3147         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
3148         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
3149         (DBX_REGISTER_NUMBER): Delete.
3150         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
3151         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
3152         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
3153
3154 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3155
3156         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
3157         * config/flat.h: New file.
3158         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
3159         OBJECT_FORMAT_FLAT.
3160         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
3161         indirect references for -msep-data or -mid-shared-library.
3162         Do not use PC-relative code addresses either.
3163         * config/m68k/m68k.c (override_options): Restrict -fPIC error
3164         to -mpcrel.
3165         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
3166         for shared libraries and crt1.o for executables.  Use crti.o and
3167         crtbegin.o.
3168         (ENDFILE_SPEC): Use crtend.o and crtn.o.
3169         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
3170         Do not add -elf2flt or -shared-lib-id options here.
3171         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
3172         Pass -shared-lib-id if -mid-shared-library, taking the library
3173         identifier from -mshared-library-id if given, otherwise
3174         defaulting to 0.
3175         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
3176         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
3177         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
3178         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
3179         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
3180         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
3181         and crtend.o.
3182         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
3183         jump sequence for ISA A and ISA A+.
3184         (PICJUMP): Likewise.
3185
3186 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3187
3188         * config.gcc (m68k-*-uclinux*): Base the port on the common
3189         and m68k GNU/Linux files rather than on the generic ELF ones.
3190         * config/m68k/uclinux.h (TARGET_VERSION): Override.
3191         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3192
3193 2007-01-18  Julian Brown  <julian@codesourcery.com>
3194             Richard Sandiford  <richard@codesourcery.com>
3195
3196         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
3197         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3198         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
3199         before redefining.
3200         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
3201         80 unconditionally.
3202         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3203
3204 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3205
3206         * doc/install.texi: Document m68k-uclinuxoldabi.
3207         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
3208         * config/m68k/uclinux-oldabi.h: New file, copied from
3209         config/m68k/uclinux.h.
3210
3211 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
3212
3213         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
3214         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
3215         (m32r_compute_frame_size): Use unsigned for regno.
3216         (m32r_reload_lr): Use gen_frame_mem.
3217         (pop): New.
3218         (m32r_output_function_epilogue): Don't output the function epilogue
3219         textually here.
3220         (m32r_expand_epilogue): New.
3221         (direct_return): Return false if the function has the interrupt
3222         attribute.
3223         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
3224         * config/m32r/m32r.md (epilogue): New expander.
3225         (return_lr, return_rte): New insns.
3226         (return): Make it expander.
3227         (return_normal): New expander.
3228
3229 2007-01-18  Josh Conner  <jconner@apple.com>
3230
3231         PR target/30485
3232         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
3233         support for UNLE, UNLT, UNGE, and UNGT.
3234
3235 2007-01-18  Jan Hubicka  <jh@suse.cz>
3236
3237         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
3238         * tree-tailcall (add_virtual_phis): Likewise.
3239         (optimize_tail_call): Return TODOs.
3240         (execute_tail_calls): Return TODOs.
3241         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
3242         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
3243         changed.
3244         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3245         Cleanup cfg using TODO.
3246         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
3247         * passes.c (execute_function_todo): When cleanup did something, remove
3248         unused locals.
3249         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
3250         (make_edges): Don't cleanup_cfg.
3251
3252 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
3253
3254         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
3255         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
3256         operate on the top of stack.
3257         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
3258         register handling of instructions that output to the second
3259         stack slot.
3260         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
3261         (move_for_stack_reg): Special-case check for dead destination
3262         stack slot for constant load of 1.0 inside UNSPEC_TAN.
3263
3264         * config/i386/i386.md (UNSPEC_TAN): New constant.
3265         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
3266         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
3267         to correctly model move of constant 1.0 to top stack slot.
3268         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
3269         (unnamed peephole2 pattern): Remove corresponding peephole2
3270         pattern that optimizes tan insn and loading of constant 1.0.
3271         (tanxf2): Use fptanxf4_i387.
3272         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
3273         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
3274         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3275         disable patterns for SSE math.
3276         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
3277         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
3278
3279 2007-01-18  Dirk Mueller  <dmueller@suse.de>
3280             Richard Guenther <rguenther@suse.de>
3281
3282         PR diagnostic/8268
3283         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
3284         * common.opt (Warray-bounds): Add new warning option.
3285         * c-opts.c (c_common_handle_option): Define -Warray-bounds
3286         if -Wall is given.
3287         * Makefile.in: make tree-vrp.o depend on toplev.h
3288         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
3289         is enabled.
3290         (check_array_refs, check_array_bounds, check_array_ref): New.
3291
3292 2007-01-18  Jan Hubicka  <jh@suse.cz>
3293
3294         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
3295         (execute_ssa_ccp): Return flags conditionally.
3296         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
3297         changed.
3298         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
3299
3300 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
3301
3302         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
3303         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
3304
3305         * Makefile.c (GTFILES): Add cfglayout.h.
3306         * gengtype.c (open_base_files): Likewise.
3307         * cfglayout.c (cfg_layout_function_footer,
3308         cfg_layout_function_header) Reindent to make gengtype happy.
3309         * cfglayout.h (cfg_layout_function_footer,
3310         cfg_layout_function_header): Add GTY(()) marker.
3311
3312         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
3313
3314 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3315
3316         * genautomata.c (write_automata): Include xstrerror output in the
3317         error message if writing the DFA description file fails.
3318
3319 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3320
3321         * config/mips/mips-protos.h (mips_output_external): Make it
3322         return void.
3323         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
3324         * config/mips/mips.c (irix_output_external_libcall): Likewise.
3325         (extern_list): Likewise.
3326         (extern_head): Likewise.
3327         (TARGET_ASM_FILE_END): Likewise.
3328         (mips_file_end): Likewise.
3329         (mips_output_external): Rewritten.
3330
3331 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3332
3333         * genpreds.c (write_insn_preds_c): Only write out the function
3334         body for regclass_for_constraint if we have register constraints.
3335
3336 2007-01-17  Tom Tromey  <tromey@redhat.com>
3337
3338         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3339         * doc/install.texi (Testing): Use sourceware.org.
3340         (Binaries): Likewise.
3341         (Specific): Likewise.
3342         * doc/contrib.texi (Contributors): Use sourceware.org.
3343
3344 2007-01-17  Anatoly Sokolov <aesok@post.ru>
3345
3346         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3347         (AVR_ENHANCED): Rename to ...
3348         (AVR_HAVE_MUL): ... new.
3349         (avr_enhanced_p): Rename to ...
3350         (avr_have_mul_p): ... new.
3351         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3352         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3353         * config/avr/avr.c (avr_enhanced_p): Rename to ...
3354         (avr_have_mul_p): ... new.
3355         (base_arch_s): Rename 'enhanced' to 'have_mul'.
3356         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3357         'avr_enhanced_p' and 'enhanced'.
3358         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3359         AVR_HAVE_MUL instead of AVR_ENHANCED.
3360         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3361         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3362         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3363         instead of AVR_ENHANCED.
3364         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3365         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3366         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3367
3368 2007-01-17  Ian Lance Taylor  <iant@google.com>
3369
3370         * vec.h (VEC_reserve_exact): Define.
3371         (vec_gc_p_reserve_exact): Declare.
3372         (vec_gc_o_reserve_exact): Declare.
3373         (vec_heap_p_reserve_exact): Declare.
3374         (vec_heap_o_reserve_exact): Declare.
3375         (VEC_OP (T,A,reserve_exact)): New static inline function, three
3376         versions.
3377         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3378         negative parameter.
3379         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3380         (VEC_OP (T,A,copy)) [all versions]: Likewise.
3381         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3382         * vec.c (calculate_allocation): Add exact parameter.  Change all
3383         callers.
3384         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3385         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3386         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3387         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3388         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3389         (vec_heap_p_reserve_exact): New function.
3390         (vec_heap_o_reserve_exact): New function.
3391
3392 2007-01-17  Jan Hubicka  <jh@suse.cz>
3393
3394         *