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* config/alpha/alpha.c (alpha_elf_section_type_flags): New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-03-12  Richard Henderson  <rth@redhat.com>
2
3         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4         (TARGET_SECTION_TYPE_FLAGS): New.
5
6 2007-03-12  Richard Henderson  <rth@redhat.com>
7
8         * config/darwin.c (machopic_reloc_rw_mask): New.
9         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
11
12 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
13
14         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
15         * cppdefault.h (cpp_PREFIX): Document.
16         (cpp_PREFIX_len): Likewise.
17         (cpp_EXEC_PREFIX): New variable.
18         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
19         * c-incpath.c (add_standard_paths): Correct logic for relocating
20         paths within prefix.
21
22 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
23
24         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
25         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
26         mode macro.
27         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
28         fix_truncdfdi_sse using SSEMODEF mode macro.
29         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
30         fix_truncdfsi_sse using SSEMODEF mode macro.
31         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
32         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
33
34 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
35
36         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
37         elfos.h to tm_file.
38
39 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
40   
41         * tree.h : Add multiple_of_p declaration.
42         * fold-const.c (multiple_of_p): Make multiple_of_p public. 
43         * ipa-type-escape.c (results_of_malloc): Redundant.
44         (visited_stmts): New. Visited stmt for walk_use_def_chains.
45         (cast_type): Extended with new members.
46         (check_cast): Returns cast_type.
47         (cast): New structure for data of walk_use_def_chains.
48         (is_malloc_result, is_cast_from_non_pointer_1,
49         is_cast_from_non_pointer, 
50         is_array_access_through_pointer_and_index): New functions.
51         (look_for_casts): Returns cast types.
52         (check_call): Returns void.
53         (okay_pointer_operation): Use support of pointer plus index,
54         pointer plus constant and allow all multiplications.
55         
56 2007-03-11  Richard Guenther  <rguenther@suse.de>
57
58         PR tree-optimization/31115
59         * tree-vrp.c (extract_range_from_binary_expr): Make sure
60         the shift count is positive and non-anti-range for RSHIFT_EXPR.
61         A shift count of zero is not special as with *_DIV_EXPR.
62         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
63         direction.
64
65 2007-03-11  Ian Lance Taylor  <iant@google.com>
66
67         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
68         the *_DIV_EXPR codes correctly with overflow infinities.
69
70 2007-03-11  Ira Rosen  <irar@il.ibm.com>
71
72         * tree-data-ref.c (analyze_offset): Add a return value (bool) to 
73         indicate success/failure of the analysis. Add negation to subtrahend
74         in case of subtraction. Fail if both operands contain constants.
75         (create_data_ref): Fail if analyze_offset fails.
76
77 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
78
79         * config/i386/i386.md (frndintxf2): Rename to ...
80         (rintxf2): ... this. Remove expander having same name.
81         (rintsf2, rintdf2): Implement using SSEMODEF macro.
82         (roundsf2, rounddf2): Ditto.
83         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
84         (lround<mode>di2, lround<mode>si2): Ditto.
85
86 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
87
88         * lower-subreg.c: Include except.h.
89         (decompose_multiword_subregs): Verify that the only control flow
90         insns we can split are loads to multi-words pseudos.
91         Handle breaking such blocks after splitting, instead of calling
92         find_many_sub_basic_blocks.
93
94         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
95         on the new basic block.  Add a lengthy comment explaining why we
96         thought this was necessary.
97         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
98
99 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
100
101         PR c++/30924
102         * tree.c (walk_type_fields): Recurse into the element type of
103         ARRAY_TYPEs if there is a pointer set.
104
105 2007-03-10  Dirk Mueller  <dmueller@suse.de>
106
107         * c-common.c (warn_logical_operator): Fix condition.
108
109 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
110
111         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
112         quotation mark.
113         * config/darwin.c (machopic_select_section): Remove superfluous
114         argument in call to categorize_decl_for_section.  Remove unused
115         variable shlib.
116
117 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
118
119         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
120         defined.
121         * configure: Regenerate.
122
123 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
124
125         PR target/31101
126         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
127         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
128         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
129         Add LABEL_NUSES to emitted label.
130         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
131         branch probability value to emitted jump insn.
132         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
133         Do not check life information and do not re-arrange input operands
134         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
135
136 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
137
138         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
139         the change of decode_asm_operands.
140
141 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
142
143         * mode-switching.c (create_pre_exit): Skip blockage insn.
144
145 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
146
147         * tree-pass.h (TODO_update_smt_usage): Remove.
148         Update all users.
149         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
150         argument SOME.
151         Update all users.
152
153 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
154
155         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
156         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
157         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
158         SOM target.
159
160 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
161
162         * gcc.c: Document %{, in big comment at top.
163         (input_suffix_matches): Remove special handling for .s and
164         .S.
165         (input_spec_matches): New.
166         (handle_braces): Handle %{,.
167         (validate_switches): ',' indicates a value which is not a switch.
168         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
169         to detect assembler input.
170         * config/i386/sol2.h (CPP_SPEC): Likewise.
171         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
172         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
173         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
174         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
175         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
176         -m64 causes deployment target to default to 10.5.
177         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
178
179 2007-03-09  Richard Henderson  <rth@redhat.com>
180
181         PR target/26090
182         * target.h (targetm.asm.out.reloc_rw_mask): New.
183         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
184         (TARGET_ASM_OUT): Use it.
185         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
186         * varasm.c (categorize_decl_for_section): Remove shlib argument;
187         use the new reloc_rw_mask target hook instead.
188         (default_section_type_flags_1): Merge into...
189         (default_section_type_flags): ... here.
190         (decl_readonly_section_1): Merge into...
191         (decl_readonly_section): ... here.
192         (default_elf_select_section_1): Merge into...
193         (default_elf_select_section): ... here.
194         (default_unique_section_1): Merge into...
195         (default_unique_section): ... here.
196         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
197         (default_select_rtx_section): Use it.
198         (default_elf_select_rtx_section): Likewise.
199         * output.h: Update to match.
200         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
201         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
202         (TARGET_ASM_RELOC_RW_MASK): New.
203         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
204         to categorize_decl_for_section.
205         (x86_64_elf_unique_section): Likewise.
206         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
207         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
208         (TARGET_ASM_RELOC_RW_MASK): New.
209         * config/ia64/ia64.c (ia64_rwreloc_select_section,
210         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
211         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
212         (TARGET_RWRELOC): Remove.
213         (ia64_section_type_flags): Adjust call to default_section_type_flags.
214         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
215         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
216         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
217         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
218         (rs6000_xcoff_select_section): Use decl_readonly_section.
219         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
220         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
221         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
222         (TARGET_SECTION_TYPE_FLAGS): Remove.
223         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
224
225 2007-03-09  Roger Sayle  <roger@eyesopen.com>
226
227         * fold-const.c (fold_comparison): Remove compile-time evaluation of
228         complex constant equality/inequality comparisons for here.
229         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
230         known at compile-time or can be simplified to a scalar comparison.
231         (fold_relational_const): Move compile-time evaluation of complex
232         constant equality/inequality comparisons to here.
233
234 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
235
236         PR rtl-optimization/30643
237         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
238         dest_addr_elt.
239         (fold_rtx): Recurse, like before 2006-11-03.
240
241 2007-03-09  DJ Delorie  <dj@redhat.com>
242
243         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
244         m32c-pragma.o.
245
246 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
247
248         PR tree-optimization/30375
249         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
250         LHS of statements is not the same.
251         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
252
253 2007-03-09  Chao-ying Fu  <fu@mips.com>
254
255         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
256         REV 2.
257         * doc/invoke.texi (-mdspr2): Document new option.
258         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
259         New unspec for DSP REV 2.
260         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
261         these instructions are extended in DSP REV 2.
262         (mips-dspr2.md): Include.
263         * config/mips/mips.opt (mdspr2): New option.
264         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
265         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
266         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
267         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
268         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
269         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
270         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
271         and 2 builtins.
272         (bdesc_map): Add one field of unsupported_target_flags.
273         (bdesc_arrays):  Update entries to have extra fields.  Add
274         dsp_32only_bdesc.
275         (mips_init_builtins): Initialize new function types.
276         Check unsupported_target_fileds to filter out builtins.
277         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
278         TARGET_DSPR2.
279         (ASM_SPEC): Pass mdspr2 to the assembler.
280         * config/mips/mips-dspr2.md: New file.
281
282 2007-03-09  Sa Liu  <saliu@de.ibm.com>
283
284         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
285
286 2007-03-09  Ian Lance Taylor  <iant@google.com>
287
288         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
289         argument) like -Wstrict-overflow=2.
290         * doc/invoke.texi (Warning Options): Update documentation.
291
292 2007-03-09  Dirk Mueller  <dmueller@suse.de>
293
294         PR c++/17946
295         * doc/invoke.texi (-Wlogical-op): Document.
296         * common.opt (-Wlogical-op): New.
297         * c-common.h (warn_logical_operator): Declare.
298         * c-common.c (warn_logical_operator): Define.
299         * c-typeck.c (parser_build_binary_op): Call
300         warn_logical_operator.
301
302 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
303
304         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
305         * final.c (final_scan_insn): Test for non-"" file name.
306
307 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
308
309         * doc/loop.texi: Document the Omega linear constraints solver.
310         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
311         omega-max-geqs, omega-max-eqs, omega-max-wild-cards, 
312         omega-hash-table-size, omega-max-keys, and 
313         omega-eliminate-redundant-constraints.
314         * tree-pass.h (pass_check_data_deps): Declared.
315         * omega.c: New.
316         * omega.h: New.
317         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
318         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, 
319         pass_check_data_deps): New.
320         * tree-data-ref.c (init_data_ref): Remove declaration.
321         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
322         (analyze_array): Renamed init_array_ref, move up initializations.
323         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
324         Removed arguments that are set to NULL.
325         (analyze_indirect_ref): Correct indentation, correct call to 
326         init_pointer_ref.
327         (object_analysis): Call init_array_ref instead of analyze_array.
328         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
329         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
330         of DR_ACCESS_FNS_ADDR.
331         (init_omega_eq_with_af, omega_extract_distance_vectors, 
332         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
333         ddr_consistent_p): New.
334         (compute_affine_dependence): Check consistency of ddrs when 
335         flag_check_data_deps is passed.
336         (analyze_all_data_dependences): Uncomment.
337         (tree_check_data_deps): New.
338         * tree-data-ref.h: Include omega.h.
339         (DR_ACCESS_FNS_ADDR): Removed.
340         (data_dependence_relation): Add inner_loop.
341         (DDR_INNER_LOOP): New.
342         * common.opt (fcheck-data-deps): New.
343         * tree-flow.h (tree_check_data_deps): Declare.
344         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
345         (OBJS-common): Depend on omega.o.
346         (omega.o): Define.
347         * passes.c (pass_check_data_deps): Scheduled.
348         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, 
349         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
350         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
351         PARAM_VECT_MAX_VERSION_CHECKS,
352         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
353
354 2007-03-09  Richard Guenther  <rguenther@suse.de>
355
356         PR tree-optimization/30904
357         PR middle-end/31058
358         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
359         the same way as *_DIV_EXPR.
360
361 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
362
363         * recog.c (decode_asm_operands): No mixed declarations and code.
364
365 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
366
367         * rtl.def (ASM_INPUT): Add location.
368         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
369         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
370         (decode_asm_operands): Add loc operand.
371         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
372         * stmt.c (expand_asm): Rename to...
373         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
374         gen_rtx_ASM_INPUT_loc.
375         (expand_asm_expr): Adjust.
376         * recog.c (decode_asm_operands): Add loc operand.
377         (check_asm_operands, extract_insn): Adjust.
378         * reload1.c (maybe_fix_stack_asms): Likewise.
379         * final.c (asm_insn_count): Likewise.
380         (final_scan_insn): Output # line before and after asm.
381
382 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
383
384         * tree-ssa-structalias.c (variable_info): Remove
385         finished_solution.
386         (new_var_info): Ditto.
387         (shared_bitmap_info_t): New structure.
388         (shared_bitmap_table): New variable.
389         (shared_bitmap_hash): New function.
390         (shared_bitmap_eq): Ditto
391         (shared_bitmap_lookup): Ditto.
392         (shared_bitmap_add): Ditto.
393         (merge_smts_into): Change to take bitmap directly.
394         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
395         (init_alias_vars): Init shared bitmap hashtable.
396         (delete_points_to_sets): Delete shared bitmap hashtable.
397         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
398         is_aliased removal as a change that was still necessary was
399         deleted.
400
401 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
402
403         * config/i386/i386.h (override_options): Conditionally disable
404         x86_sahf for 64bit targets only.
405
406 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
407
408         PR C/31072
409         * c-decl.c (merge_decls): Don't call make_var_volatile.
410         * varasm.c (make_var_volatile): Remove.
411         * output.h (make_var_volatile): Remove.
412
413 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
414
415         PR tree-optimization/31085
416         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
417
418 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
419
420         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
421         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
422         ATTR_CONST_NOTHROW_LIST.
423         
424         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
425         FIX_TRUNC_EXPR.
426
427 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
428
429         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
430
431 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
432
433         PR 31013
434         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
435         is declared.
436         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
437         passed, use shared libgcc.
438
439 2007-03-08  Roger Sayle  <roger@eyesopen.com>
440
441         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
442         instead of calling build2 with a GIMPLE_MODIFY_STMT.
443         (honor_protect_cleanup_actions, lower_try_finally_switch):
444         Likewise.
445         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
446         ifc_temp_var): Likewise.
447         * tree-inline.c (setup_one_parameter): Likewise.
448         * tree-mudflap.c (mf_decl_cache_locals,
449         mf_build_check_statement_for): Likewise.
450         * tree-nested.c (init_tmp_var, save_tmp_var,
451         finalize_nesting_tree_1): Likewise.
452         * tree-outof-ssa.c (insert_copy_on_edge,
453         insert_backedge_copies): Likewise.
454         * tree-profile.c (tree_gen_edge_profiler,
455         tree_gen_ic_profiler): Likewise.
456         * tree-scalar-evolution.c (scev_const_prop): Likewise.
457         * tree-sra.c (sra_build_assignment): Likewise.
458         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
459         * tree-ssa-math-opts.c (insert_reciprocals,
460         execute_cse_sincos_1): Likewise.
461         * tree-tailcall.c (adjust_accumulator_values,
462         adjust_return_value): Likewise.
463         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
464         * tree-vect-transform.c (vect_create_data_ref_ptr,
465         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
466         vect_create_epilog_for_reduction, vectorizable_reduction,
467         vectorizable_call, vectorizable_conversion,
468         vectorizable_assignment, vectorizable_operation,
469         vectorizable_type_demotion, vect_gen_widened_results_half,
470         vect_permute_store_chain, vectorizable_store,
471         vect_setup_realignment, vect_permute_load_chain,
472         vectorizable_load, vectorizable_condition,
473         vect_create_cond_for_align_checks): Likewise.
474         * tree-vrp.c (build_assert_expr_for): Likewise.
475
476 2007-03-08  Ian Lance Taylor  <iant@google.com>
477
478         * tree-vrp.c: Include "intl.h".
479         (usable_range_p): New static function.
480         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
481         overflowed values, juts set *strict_overflow_p.
482         (compare_values): Only return -2 if one of the operands is not a
483         constant.
484         (compare_ranges): Call usable_range_p.
485         (compare_range_with_value): Likewise.
486         (vrp_evaluate_conditional_warnv): Rename from
487         vrp_evaluate_conditional.  Make static.  Change all callers.
488         (vrp_evaluate_conditional): New function.
489         (simplify_div_or_mod_using_ranges): Issue warning about reliance
490         on signed overflow.
491         (simplify_abs_using_ranges): Likewise.
492         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
493         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
494         within_stmt parameter.
495         * tree-ssa-propagate.c (fold_predicate_in): Update call to
496         vrp_evaluate_conditional.
497         * tree-ssa-threadedge.c
498         (record_temporary_equivalences_from_stmts_at_dest): Change
499         simplify parameter to take a second tree parameter.
500         (simplify_control_stmt_condition): Likewise.
501         (thread_across_edge): Likewise.
502         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
503         (thread_across_edge): Likewise.
504         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
505
506 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
507
508         * config/i386/i386.h (TARGET_SAHF): New define.
509         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
510         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
511         (x86_sahf): New global variable.
512         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
513         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
514         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
515         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
516         for 64-bit.
517         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
518         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
519         when expanding fcomi/sahf based tests.
520         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
521         expanding sahf based alternative. Emit sahf based sequence when
522         optimizing for code size.
523         * config/i386/i386.md (x86_sahf_1): Do not disable for
524         TARGET_64BIT, enable for TARGET_SAHF. 
525
526 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
527
528         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
529         spurious whitespace from error message.
530
531 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
532
533         PR c++/30852
534         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
535
536 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
537
538         * c-decl.c (grokdeclarator): Disable warnings for anonymous
539         bitfields.
540         * tree-sra.c (instantiate_element): Propagate disabled warnings
541         from the element itself to the created variable.
542
543 2007-03-07  Richard Henderson  <rth@redhat.com>
544
545         PR target/30848
546         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
547         silently fix up the stack in the case of a missing register.
548
549 2007-03-07  Paul Brook  <paul@codesourcery.com>
550
551         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
552
553 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
554
555         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
556         New.
557         (phase1_vrs): Use them.
558         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
559         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
560         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
561         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
562         __gnu_Unwind_Restore_WMMXC if required.
563         (_Unwind_VRS_Pop): Implement iWMMXt support.
564         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
565         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
566         gnu_Unwind_Save_WMMXC): Define.
567
568 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
569
570         * config/vxworks.h (vxworks_override_options): Declare.
571         (VXWORKS_OVERRIDE_OPTIONS): Use it.
572         * config/vxworks.c: Include target.h and toplev.h.
573         (vxworks_override_options): New function.
574         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
575
576 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
577
578         * config/s390/s390.c (override_options): Don't emit an error when
579         -mstack-size is used without providing -mstack-guard.
580         (s390_emit_prologue): Choose stack_guard value automatically if not
581         provided via command line.
582         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
583
584 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
585
586         * config/i386/i386.c (output_set_got): Add a GOT initialization
587         sequence for VxWorks PIC.
588         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
589         around labels as well as symbols.  Use gotoff_operand instead
590         of local_symbolic_operand.
591         (legitimize_pic_address): Use gotoff_operand instead of
592         local_symbolic_operand.  Use @GOT accesses for labels as
593         well as symbols.
594         (ix86_output_addr_diff_elt): Use PC-relative rather than
595         GP-relative offsets for VxWorks PIC.
596         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
597         no_new_pseudos.  Check whether the returned register is op0.
598         * config/i386/i386.md (tablejump): Use PC-relative rather than
599         GP-relative offsets for VxWorks PIC.
600         * config/i386/predicates.md (gotoff_operand): New predicate.
601
602 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
603
604         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
605         before defining.
606         * config/vxworks-dummy.h: New file.
607         * config/i386/i386.h: Include it.
608
609 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
610
611         * dwarf2out.c (is_inlined_entry_point): New
612         (add_high_low_attributes): Emit DW_AT_entry_pc along with
613         DW_AT_ranges if the first subblock is the entry point.
614
615 2007-03-06  David Daney  <ddaney@avtrex.com>
616
617         * doc/install.texi (mips-*-*): Change recommended binutils
618         version.
619
620 2007-03-06  Anatoly Sokolov <aesok@post.ru>
621
622         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
623         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162 
624         devices.
625         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
626         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
627
628 2007-03-06  Jan Hubicka  <jh@suse.cz>
629
630         * errors.h (warning, error, fatal, internal_error): Mark as cold.
631         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
632         are hot.
633         (probably_cold_bb_p): Cold functions are cold.
634         (probably_never_executed_bb_p): Cold functions are cold.
635         (tree_bb_level_predictions): Predict calls to cold functions as not
636         taken.
637         (compute_function_frequency): Check hot/cold attributes.
638         * function.h (function_frequency): Update comments.
639         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
640         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
641         (c_common_att): Add cold and hot.
642
643         * doc/extend.texi (hot,cold attributes): Document.
644
645 2007-03-06  Andrew Haley  <aph@redhat.com>
646
647         * function.c (expand_function_end): Move blockage to just after we
648         emit the label for the naked return from the function.
649
650 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
651
652         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
653         before redefining.
654
655 2007-03-06  Jan Hubicka  <jh@suse.cz>
656
657         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
658         loaded for constant large models.  Non-large 64bit PIC can do.
659         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
660         * cmodel.h: Add LARGE PIC.
661         * i386.md (UNSPEC_PLTOFF): New.
662         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
663         needed.
664         (*call_1_rex64): Disable for large models.
665         (*call_1_rex64_large): New.
666         (*call_value_1_rex64): Disable for large models.
667         (*call_value_1_rex64_large): New.
668         (set_rip_rex4): New.
669         (set_got_offset_rex64): New.
670         * predicates.md (constant_call_address_operand): For large model
671         constant calls are not possible.
672         * i386-protos.h (construct_plt_address): Declare.
673         * i386.c (override_options): Accept large models.
674         (ix86_expand_prologue): Expand large PIC GOT pointer load.
675         (legitimate_constant_p): Add new UNSPECs.
676         (legitimate_pic_operand_p): Likewise.
677         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
678         (legitimize_pic_address): Do easy RIP relative way for TLS only for
679         non-large model.
680         (output_pic_addr_const): Add PLTOFF.
681         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
682         (ix86_expand_move): Legitimize pic address when in PIC mode.
683         (construct_plt_address): New function.
684         (ix86_expand_call): Offload the address to register and use GOT pointer
685         for large model.
686         * invoke.texi (mcmodel=large): Update documentation.
687
688 2007-03-06  Richard Henderson  <rth@redhat.com>
689
690         * config/i386/i386.c (x86_use_leave, x86_push_memory,
691         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
692         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
693         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
694         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
695         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
696         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix, 
697         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
698         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
699         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, 
700         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
701         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
702         x86_sse_partial_reg_dependency, x86_sse_split_regs, 
703         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
704         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
705         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
706         x86_schedule, x86_use_bt, x86_pad_returns,
707         x86_use_xchgb): Merge into ...
708         (ix86_tune_features): ... here.  New array.
709         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
710         x86_bswap): Merge into ...
711         (ix86_arch_features): ... here.  New array.
712         (x86_3dnow_a): Remove.
713         (x86_accumulate_outgoing_args): Make static.
714         (x86_arch_always_fancy_math_387): Make static.
715         (ix86_tune_mask, ix86_arch_mask): Move ...
716         (override_options): ... to local variables here.  Apply the
717         appropriate mask to each element of ix86_arch_features and
718         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
719         as were done in the old macros.
720         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
721         * config/i386/i386.h (x86_use_leave, x86_push_memory,
722         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
723         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
724         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
725         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
726         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
727         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
728         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
729         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
730         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
731         x86_partial_reg_dependency, x86_memory_mismatch_stall,
732         x86_accumulate_outgoing_args, x86_prologue_using_move,
733         x86_epilogue_using_move, x86_decompose_lea,
734         x86_arch_always_fancy_math_387, x86_shift1,
735         x86_sse_partial_reg_dependency, x86_sse_split_regs,
736         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,        
737         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
738         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
739         x86_use_incdec, x86_pad_returns, x86_bswap,
740         x86_partial_flag_reg_stall): Remove.
741         (enum ix86_tune_indices): New.
742         (ix86_tune_features): New.
743         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
744         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
745         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
746         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
747         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
748         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
749         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
750         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
751         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
752         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
753         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
754         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
755         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
756         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
757         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
758         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
759         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
760         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
761         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
762         TARGET_EXT_80387_CONSTANTS): Use it.
763         (enum ix86_arch_indices): New.
764         (ix86_arch_features): New.
765         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
766         TARGET_BSWAP): Use it.
767         (ix86_tune_mask, ix86_arch_mask): Remove.
768
769 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
770
771         PR bootstrap/31020
772         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
773         Define using $${sysroot_headers_suffix}.
774         * configure: Regenerate.
775         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
776         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
777         defined.
778         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
779         * gcc.c (print_sysroot_headers_suffix): New.
780         (option_map): Include --print-sysroot-headers-suffix.
781         (display_help): Mention -print-sysroot-headers-suffix.
782         (process_command): Handle -print-sysroot-headers-suffix.
783         (do_spec_1): Append multilib directory to include-fixed path if
784         sysroot suffixes in use.
785         (main): Handle -print-sysroot-headers-suffix.
786         * Makefile.in (start.encap): Don't depend on xlimits.h
787         (xlimits.h): Remove.
788         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
789         limits.h for each multilib in fixinc_list.
790         (fixinc_list, s-fixinc_list): New.
791         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
792         generate them for each multilib in fixinc_list.
793         (stmp-fixproto): Use include-fixed.  Run fixproto for each
794         multilib in fixinc_list.
795         (mostlyclean): Don't remove xlimits.h.
796         (clean): Remove include-fixed.
797         (real-install-headers-tar, real-install-headers-cpio,
798         real-install-headers-cp): Don't copy include, only include-fixed.
799         (install-mkheaders): Depend on fixinc_list.  Don't depend on
800         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
801         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
802         SYSTEM_HEADER_DIR setting in mkheaders.conf.
803
804 2007-03-06  Jan Hubicka  <jh@suse.cz>
805
806         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
807         NANs easilly.
808
809 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
810
811         * configure.ac: Allow tm_file to contain build-directory files.
812         * configure: Regenerate.
813         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
814         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
815         * config/m68k/print-sysroot-suffix.sh: New file.
816
817 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
818
819         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
820         of pic_offset_table_rtx if reload_completed.
821         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
822         PIC_OFFSET_TABLE_REGNUM.
823         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
824         return true.
825         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
826         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
827
828 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
829
830         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
831         functions that call eh_return.
832
833 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
834
835         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
836         functions that need a constant pool.
837
838 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
839
840         PR target/28181
841         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
842         (m68k_preferred_reload_class): Likewise.
843         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
844         (SECONDARY_RELOAD_CLASS): Define.
845         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
846         (LIMIT_RELOAD_CLASS): Delete.
847         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
848         registers from storing bytes.
849         (m68k_secondary_reload_class): New function.
850         (m68k_preferred_reload_class): Likewise.
851
852 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
853
854         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
855         leaf functions.
856         (m68k_expand_prologue): Likewise.
857
858 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
859
860         * config/m68k/m68k-protos.h (output_sibcall): Declare.
861         (mips_expand_epilogue): Add a bool parameter.
862         (m68k_legitimize_sibcall_address): Declare.
863         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
864         (m68k_expand_epilogue): Add a parameter to select between sibling
865         and normal epilogues.  Only generate a return for the latter.
866         (m68k_ok_for_sibcall_p): New function.
867         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
868         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
869         (sibcall_value, *sibcall_value): Likewise.
870         (*call, *call_value): Require !SIBLING_CALL_P.
871         (epilogue): Update call to m68k_expand_epilogue.
872         (sibcall_epilogue): New pattern.
873         * config/m68k/predicates.md (const_call_operand): Say that this
874         predicate applies to sibling calls too.
875         (sibcall_operand): New predicate.
876
877 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
878
879         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
880         alternatives as movsi_cf.
881         (movsf_cf_hard): Add commentary.
882
883 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
884             Richard Sandiford  <richard@codesourcery.com>
885
886         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
887         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
888         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
889         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
890         as being live on exit from an interrupt function.
891         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
892         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
893         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
894         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
895         (m68k_interrupt_function_p): Globalize.
896         (m68k_compute_frame_layout): Remove reverse mask code.
897         (m68k_emit_movem, m68k_set_frame_related): New functions.
898         (m68k_output_function_prologue): Delete in favor of...
899         (m68k_expand_prologue): ...this new function.
900         (m68k_output_function_epilogue): Delete in favor of...
901         (m68k_expand_epilogue): ...this new function.
902         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
903         functions.
904         (print_operand): Handle %?.
905         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
906         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
907         (prologue, epilogue): New patterns.
908         (return): Turn into a define_expand.
909         (*return): New pattern, derived from old "return" pattern.  Use rte
910         rather than rts for interrupt functions.  Only use rtd if the pop
911         count is nonzero.
912         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
913         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
914         (link, *link, unlink, *unlink, load_got): Likewise.
915
916 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
917
918         PR target/23482
919         PR target/17114
920         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
921         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
922         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
923         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
924         and m68k_matches_u_p.
925         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
926         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
927         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
928         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
929         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
930         (REG_STRICT_P): New macro.
931         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
932         PCREL_GENERAL_OPERAND_OK.
933         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
934         m68k_legitimate_base_reg_p.
935         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
936         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
937         (PIC_CASE_VECTOR_ADDRESS): Update comment.
938         * config/m68k/m68k.c (m68k_address): New structure.
939         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
940         (m68k_decompose_index, m68k_legitimate_constant_address_p)
941         (m68k_jump_table_ref_p, m68k_decompose_address)
942         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
943         (m68k_matches_u_p): New functions.
944         (print_operand_address): Rewrite to use m68k_decompose_index.
945
946 2007-03-05  David Taylor  <dtaylor@emc.com>
947
948         * gcc.c: Correct copyright date in --version output.
949
950 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
951
952         * pa.md: In unamed move patterns, disparge copies between general
953         and floating point registers using '?' modifier.  Don't include 'f'
954         constraint for register preferences in DImode, SImode, HImode and
955         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
956         Remove constraints for copies between general and floating registers
957         in soft-float DFmode pattern.
958         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
959         floating register.
960         (movsf): Likewise. 
961
962 2007-03-05  Mike Stump  <mrs@apple.com>
963
964         * c-common.c (targetcm): Add.
965         * c-opts.c (c_common_handle_option): Handle language specific
966         target options.
967         * opts.c (handle_option): Verify language for target options, if
968         any are given.
969         * opth-gen.awk: Add CL_LANG_ALL.
970         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
971         (TARGETCM_INITIALIZER): Add.
972         * target.h (struct gcc_targetcm): Add.
973         (targetcm): Add.
974         * targhooks.c (default_handle_c_option): Add.
975         * targhooks.h (default_handle_c_option): Add.
976         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
977
978         * config/darwin.opt (iframework): Add.
979         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
980         * config/darwin-c.c (handle_c_option): Add.
981         (TARGET_HANDLE_C_OPTION): Add.
982         (targetcm): Add.
983         * doc/invoke.texi (Darwin Options): Add -iframework.
984
985 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
986
987         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
988         conversion.
989
990 2007-03-05  Ian Lance Taylor  <iant@google.com>
991
992         * c.opt (fgnu89-inline): New option.
993         * c-opts.c (c_common_post_options): Set default value for
994         flag_gnu89_inline.
995         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
996         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
997         inline functions.
998         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
999         (grokdeclarator, start_function): Likewise.
1000         * c-cppbuiltin.c (c_cpp_builtins): Define either
1001         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1002         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1003         (C Dialect Options): Document -fgnu89-inline.
1004         * doc/extend.texi (Function Attributes): Explain what the
1005         gnu_inline attribute does.
1006         * doc/cpp.texi (Common Predefined Macros): Document
1007         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1008
1009 2007-03-05  Ian Lance Taylor  <iant@google.com>
1010
1011         PR tree-optimization/31034
1012         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1013         half-range if the other side is an overflow infinity.
1014
1015 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1016
1017         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1018         (bfin*-linux-uclibc*): New configuration.
1019         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1020         defining.
1021         * config/bfin/linux.h: New file.
1022         * config/bfin/libgcc-bfin.ver: New file.
1023         * config/bfin/t-bfin-uclinux: New file.
1024         * config/bfin/t-bfin-linux: New file.
1025         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1026         (TARGET_OS_CPP_BUILTINS): New macro.
1027
1028 2007-03-05  Richard Guenther  <rguenther@suse.de>
1029
1030         * fold-const.c (fold_binary): Remove duplicate folding
1031         of comparison of non-null ADDR_EXPR against null.
1032
1033 2007-03-05  Richard Guenther  <rguenther@suse.de>
1034             Dorit Nuzman  <dorit@il.ibm.com>
1035
1036         PR tree-optimization/26420
1037         * tree-vectorizer.c (vectorize_loops): Bail out early if there
1038         are no loops in the function.  Only print the number of
1039         vectorized loops if it is greater than zero or we are supposed
1040         to print information about unvectorized loops.
1041
1042 2007-03-05  Revital Eres  <eres@il.ibm.com>
1043
1044         * gcc.dg/var-expand1.c: New test.
1045         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1046         when an accumulator is expanded.
1047
1048 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1049
1050         PR other/30465
1051         * c-common.c (convert_and_check): Don't give warnings for
1052         conversion if 'expr' already overflowed.
1053         
1054 2007-03-04  Roger Sayle  <roger@eyesopen.com>
1055
1056         PR middle-end/30744
1057         * fold-const.c (fold_comparison): Enforce type consistency when
1058         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1059
1060 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
1061
1062         * tree-ssa-address.c (create_mem_ref): Do not put an expression
1063         containing a cast to the base of TARGET_MEM_REF.
1064
1065 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
1066
1067         * tree.c (tree_contains_struct_check_failed): Remove spurious
1068         whitespace from error message.
1069
1070 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1071
1072         PR target/30406
1073         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1074         instead of precision.
1075
1076 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
1077             Nathan Sidwell  <nathan@codesourcery.com>
1078
1079         * emit-rtl.c (find_auto_inc): New.
1080         (try_split): recreate REG_INC notes,
1081         Use regular for loops rather than whiles.
1082
1083 2007-03-03  Andreas Schwab  <schwab@suse.de>
1084
1085         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1086         * configure: Regenerate.
1087
1088 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1089
1090         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1091         flag_rounding_math, not flag_unsafe_math_optimizations.
1092
1093         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1094         fold_build2.
1095         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1096         alpha_fold_vector_minmax): Likewise.
1097         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1098         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1099
1100 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1101
1102         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1103         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1104         if the lhs has side-effects.
1105         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1106
1107 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1108
1109         * config/i386/i386.h (TUNEMASK): Remove define.
1110         (ARCHMASK): Remove define.
1111         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1112          Use ix86_arch_mask variable instead of ARCHMASK.
1113         * config/i386/i386.c (override_options): Ditto.
1114         (standard_80387_constant_p): Ditto.
1115
1116 2007-03-02  Ian Lance Taylor  <iant@google.com>
1117
1118         Used signed infinities in VRP.
1119         * tree-vrp.c (uses_overflow_infinity): New static function.
1120         (supports_overflow_infinity): New static function.
1121         (make_overflow_infinity): New static function.
1122         (negative_overflow_infinity): New static function.
1123         (positive_overflow_infinity): New static function.
1124         (is_negative_overflow_infinity): New static function.
1125         (is_positive_overflow_infinity): New static function.
1126         (is_overflow_infinity): New static function.
1127         (overflow_infinity_range_p): New static function.
1128         (compare_values_warnv): New function split out of compare_values.
1129         (compare_value): Call it.
1130         (set_value_range_to_nonnegative): Add overflow_infinity
1131         parameter.  Change caller.
1132         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1133         Change callers.
1134         (vrp_expr_computes_nonzero): Likewise.
1135         (compare_ranges, compare_range_with_value): Likewise.
1136         (compare_name_with_value, compare_names): Likewise.
1137         (vrp_evaluate_conditional): Likewise.
1138         (set_value_range): Handle infinity
1139         (vrp_operand_equal_p, operand_less_p): Likewise.
1140         (extract_range_from_assert): Likewise.
1141         (vrp_int_const_binop): Likewise.
1142         (extract_range_from_binary_expr): Likewise.
1143         (extract_range_from_unary_expr): Likewise.
1144         (extract_range_from_comparison): Likewise.
1145         (extract_range_from_expr): Likewise.
1146         (dump_value_range): Likewise.
1147         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1148         (test_for_singularity): Likewise.
1149         (vrp_int_const_binop): Remove inline qualifier.
1150         (adjust_range_with_scev): Add comment.
1151         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1152
1153 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
1154
1155         * tree-ssa-structalias.c (could_have_pointers): Tidy.
1156         (get_constraint_for): Likewise.
1157         (do_structure_copy): Likewise.
1158         (find_func_aliases): Fix references to MODIFY_EXPR.
1159         (intra_create_variable_infos): Tidy.
1160         * tree-ssa-operands.c (add_virtual_operand): Add argument
1161         IS_CALL_SITE.
1162         When adding members of alias sets, if IS_CALL_SITE is true and
1163         the symbol is not call-clobbered, skip it.
1164         Adjust all callers.
1165
1166 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1167
1168         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1169         entry by means of emit_insn_at_entry.
1170
1171 2007-03-02  Richard Henderson  <rth@redhat.com>
1172
1173         * expr.h (promoted_input_arg): Remove decl.
1174         * function.c (promoted_input_arg): Merge into ...
1175         * combine.c (setup_incoming_promotions): ... only caller.
1176         Rearrange to avoid double loop.
1177
1178 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1179             Peter Bergner  <bergner@vnet.ibm.com>
1180             Janis Johnson  <janis187@us.ibm.com>
1181
1182         * config/rs6000/dfp.md: New file.
1183         * config/rs6000/rs6000.md: Include dfp.md.
1184         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1185         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1186         and TDmode decimal float modes in FP registers.
1187         (num_insns_constant): Likewise.
1188         (rs6000_legitimate_offset_address_p): Likewise.
1189         (rs6000_legitimize_address): Likewise.
1190         (rs6000_legitimize_reload_address): Likewise.
1191         (rs6000_legitimate_address): Likewise.
1192         (rs6000_emit_move): Likewise.
1193         (function_arg_boundary): Likewise.
1194         (function_arg_advance): Likewise.
1195         (rs6000_darwin64_record_arg_recurse): Likewise.
1196         (function_arg): Likewise.
1197         (rs6000_gimplify_va_arg): Likewise.
1198         (rs6000_split_multireg_move): Likewise.
1199         (rs6000_output_function_epilogue): Likewise.
1200         (rs6000_output_function_epilogue): Likewise.
1201         (rs6000_register_move_cost): Likewise.
1202         (rs6000_function_value): Likewise.
1203         (rs6000_libcall_value): Likewise.
1204
1205 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1206
1207         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1208
1209 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1210
1211         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1212         Use $MULTIDIR to choose between the kernel and RTP headers,
1213         and use $WIND_BASE and $WIND_USR to locate them.
1214
1215 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1216
1217         * config/i386/i386.c (override_options): Put initialization of
1218         ix86_tune_mask and ix86_arch_mask to the correct place.
1219
1220 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1221             Michael Meissner  <michael.meissner@amd.com>
1222
1223         PR target/31019
1224         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1225         (ARCHMASK): Define.
1226         (TARGET_CMOVE): Use ARCHMASK.
1227         (TARGET_CMPXCHG): Ditto.
1228         (TARGET_CMPXCHG8B): Ditto.
1229         (TARGET_XADD): Ditto.
1230         (TARGET_BSWAP): Ditto.
1231         * config/i386/i386.c (ix86_tune_mask): New global variable.
1232         (ix86_arch_mask): Ditto.
1233         (override_options): Initialize ix86_tune_mask and
1234         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1235         target_flags.
1236
1237 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1238
1239         PR 30992
1240         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1241
1242 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
1243
1244         * target.h (init_dwarf_reg_sizes_extra): New target hook.
1245         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1246         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1247         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1248         hook.
1249         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1250         rs6000_init_dwarf_reg_sizes_extra): New.
1251         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1252         SPE register high parts.
1253
1254 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
1255
1256         * Makefile.in: Add install-pdf target as
1257         copied from automake v1.10 rules.
1258         * configure.ac: Add install-pdf to target list.
1259         * configure: Regenerate.
1260
1261 2007-03-01  Paul Brook  <paul@codesourcery.com>
1262
1263         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1264         modes to LDRD for DImode.
1265         (output_move_double): Fixup out of range ldrd/strd.
1266         (vfp_secondary_reload_class): Rename...
1267         (coproc_secondary_reload_class): ... to this.  Add wb argument.
1268         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1269         coproc_secondary_reload_class for CLASS_IWMMXT.
1270         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1271         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1272
1273 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1274
1275         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
1276         factor by the estimated number of iterations.
1277         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1278         prefetch latency.
1279
1280         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1281         decode_caches_intel, detect_caches_intel): New functions.
1282         (host_detect_local_cpu): Use detect_caches_amd and
1283         detect_caches_intel.
1284
1285 2007-03-01  Richard Henderson  <rth@redhat.com>
1286
1287         * expr.c (emit_move_complex_push): Export.
1288         (emit_move_complex_parts): Split out from ...
1289         (emit_move_complex): ... here.
1290         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1291         * config/i386/i386.md (movcdi): New.
1292
1293 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
1294
1295         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1296         size of mode1 to check for tieable modes in MMX case.
1297
1298 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
1299
1300         * Makefile.in (rtlanal.o): Depend on tree.h.
1301         * rtl.h (offset_within_section_p, split_const): Declare.
1302         * rtlanal.c: Include tree.h.
1303         (offset_within_block_p): New function, taken from
1304         mips_offset_within_object_p.
1305         (split_const): New function, taken from mips_split_const.
1306         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1307         Declare.
1308         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1309         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1310         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1311         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1312         (m68k_illegitimate_symbolic_constant_p): New function.
1313         * config/m68k/m68k.md (movsi): Remove misleading predicates.
1314         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1315         symbolic constant that might be outside the symbol's section,
1316         move the symbol first and then add the offset.
1317         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1318         Override.
1319         * config/mips/mips.c (mips_split_const): Delete.
1320         (mips_offset_within_object_p): Delete.
1321         (mips_symbolic_constant_p): Use offset_within_section_p and
1322         split_const instead of mips_offset_within_object_p and
1323         mips_split_const.
1324         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1325         (mips_legitimize_const_move, print_operand_reloc)
1326         (mips_dangerous_for_la25_p): Use split_const instead of
1327         mips_split_const.
1328
1329 2007-02-28  Eric Christopher  <echristo@apple.com>
1330
1331         * Makefile.in (install-include-dir): Don't rm -rf include.
1332
1333 2007-02-28  Richard Guenther  <rguenther@suse.de>
1334
1335         PR middle-end/30364
1336         * fold-const.c (fold_binary): Do not associate expressions
1337         with more than one variable for integer types that do not wrap.
1338
1339 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1340
1341         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1342         Delete, and replace with...
1343         (fold_builtin_call_array): This.  Update callers to use it.
1344         * fold-const.c (fold_build_call_list): Delete, and replace with...
1345         (fold_build_call_array): This.
1346         (fold_build_call_list_initializer): Delete, and replace with...
1347         (fold_build_call_array_initializer): This.
1348         * tree.h: Update declarations to reflect above changes.
1349
1350         * c-typeck.c (build_function_call): Store converted arguments
1351         in a stack-allocated array instead of building a list.
1352         (convert_arguments): Store arguments in the array passed in as an
1353         argument, and return the actual number of arguments.
1354         * c-format.c: (check_function_format): Pass arguments in an
1355         array instead of a list.
1356         * c-common.c (check_function_nonnull): Likewise.
1357         (check_function_sentinel): Likewise.
1358         (check_function_arguments): Likewise.
1359         * c-common.h: Update declarations to reflect above changes.
1360
1361 2007-02-28  Jan Hubicka  <jh@suse.cz>
1362
1363         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1364         PRED_NEGATIVE_RETURN): Update outcomes.
1365
1366 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1367
1368         * calls.c (emit_library_call_value_1): Handle partial registers
1369         correctly when building up CALL_INSN_FUNCTION_USAGE.
1370
1371 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1372
1373         * pa/predicates.md (move_src_operand): Allow zero for mode.
1374         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1375         move pattern.
1376
1377 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
1378
1379         PR target/30970
1380         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1381         *movv2df_internal): Enable pattern only for valid operand
1382         combinations.
1383         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1384         tie only 128bit modes. For MMX registers, tie only 64bit modes.
1385
1386 2007-02-27  Mike Stump  <mrs@apple.com>
1387
1388         * config/darwin-crt3.c: Avoid compilation when compiling for a
1389         kext multilib.
1390
1391 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
1392
1393         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1394         FIXED_INCLUDE_DIR.
1395         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1396         for fixed headers and limits.h.
1397         (install-include-dir, install-headers-tar, install-headers-cpio,
1398         install-headers-cp, real-install-headers-tar,
1399         real-install-headers-cpio, real-install-headers-cp): Handle
1400         include-fixed as well as include.
1401         (install-mkheaders): Don't install files that go only in include
1402         not include-fixed.
1403         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1404         from GCC_INCLUDE_DIR.
1405         * gcc.c (process_command): Remove special -BstageN/ handling.
1406         (do_spec_1): Add include-fixed directories.
1407
1408 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1409
1410         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1411         _smulsi3_highpart.
1412         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1413         New functions.
1414         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1415         patterns.
1416
1417 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
1418
1419         * c-common.c (get_priority): Add check for
1420         SUPPORTS_INIT_PRIORITY.
1421
1422 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1423
1424         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1425
1426         * config/bfin/bfin.c: Include "cfglayout.h".
1427         (MAX_LSETUP_DISTANCE): New macro.
1428         (struct loop_info): New members incoming, incoming_src and
1429         incoming_dest.  Delete member predecessor.
1430         (length_for_loop): New function.
1431         (bfin_optimize_loop): Handle more different loop structures.
1432         (bfin_discover_loop): Rework detection of predecessor blocks by
1433         examining incoming edges.
1434         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1435         bfin_reorg_loops.
1436         (bfin_reorder_loops): New function.
1437         (bfin_reorg_loops): Use these three new functions.
1438
1439         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1440         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1441         (CONSTRAINT_LEN): Add entry for 'q'.
1442         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1443         Add 'q' constraints.
1444         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1445         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1446
1447         * config/bfin/bfin.md (add_with_carry): New pattern.
1448         (s_or_u, su_optab, su_modifier): New code macros/attrs.
1449         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1450         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1451         support unsigned multiplies too.  Removed incorrect commutativity from
1452         operand 1 constraint where appropriate.
1453         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1454         patterns.
1455         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1456         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1457         New patterns.
1458         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1459         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1460         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1461         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1462         usmulhisi_hh_huh): New patterns.
1463
1464         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1465         lshifthi3): Fix output template to use half reg for operand 2.
1466
1467         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1468         instead of R2.
1469
1470         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1471
1472 2007-02-27  Andreas Schwab  <schwab@suse.de>
1473
1474         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1475
1476 2007-02-27  Jan Hubicka  <jh@suse.cz>
1477
1478         * predict.c (last_basic_block_p): Remove.
1479         (tree_estimate_probability): Update return heuristic for commonized
1480         return blocks.
1481
1482 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1483
1484         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1485
1486 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1487
1488         * doc/include/gcc-common.texi (versionsubtitle): New macro.
1489         * doc/cpp.texi: Standardize title page.
1490         * doc/cppinternals.texi: Likewise.
1491         * doc/gcc.texi: Standardize title page, remove version number
1492         from copyright page.
1493         * doc/gccint.texi: Likewise.
1494         * doc/install.texi: Standardize title page, add table of
1495         contents.
1496
1497 2007-02-26  Jan Hubicka  <jh@suse.cz>
1498
1499         * predict.def: Set outcomes according to more recent results.
1500         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1501         Remove dead predictors.
1502         * predict.c (return_prediction): Fix pasto.
1503
1504 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1505
1506         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1507         change; avoid a memory leak when returning early.
1508
1509 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
1510
1511         * c-decl.c (static_ctors): Move to c-common.c.
1512         (static_dtors): Likewise.
1513         (finish_function): Use c_record_cdtor_fn.
1514         (build_cdtor): Move to c-common.c.
1515         (c_write_global_declarations): Use c_build_cdtor_fns.
1516         * c-common.h (static_ctors): Declare.
1517         (static_dtors): Likewise.
1518         (c_record_cdtor_fn): Likewise.
1519         (c_build_cdtor_fns): Likewise.
1520         * c-common.c (static_ctors): New variable.
1521         (static_dtors): Likewise.
1522         (c_record_cdtor_fn): New function.
1523         (build_cdtor): Move from c-decl.c
1524         (c_build_cdtor_fns): New function.
1525
1526         * output.h (assemble_addr_to_section): Declare.
1527         (get_cdtor_priority_section): Likewise.
1528         * varasm.c (assemble_addr_to_section): New function.
1529         (get_cdtor_priority_section): Likewise.
1530         (default_named_section_asm_out_destructor): Use them.
1531         (destor_dtor_section_asm_out_destructor): Likewise.
1532         (default_named_section_asm_out_constructor): Likewise.
1533         (default_ctor_section_asm_out_constructor): Likewise.
1534         * config.gcc (*-*-vxworks*): Include vxworks.o.
1535         * config/t-vxworks (vxworks.o): New target.
1536         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
1537         (TARGET_ASM_CONSTRUCTOR): Define.
1538         (TARGET_ASM_DESTRUCTOR): Likewise.
1539         (vxworks_asm_out_constructor): Declare.
1540         (vxworks_asm_out_destructor): Likewise.
1541
1542         * c-common.c (get_priority): Check that we have not just an
1543         INTEGER_CST, but an integer constant with integeral type.
1544
1545 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         PR tree-optimization/30938
1548         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
1549         use &dt[nargs-1] instead of &dt[nargs] in the call to
1550         vect_is_simple_use().
1551
1552 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
1553
1554         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
1555         from register elimination as PRE_MODIFY / POST_MODIFY increments.
1556         Do not attempt to handle MEM inside auto-inc expressions.
1557         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
1558         of a register modified by an auto-inc expression.  However, do handle
1559         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
1560         (elimination_effects): Prohibit elimination of a register modified
1561         by an auto-inc expression.  Disable register elimination rules whose
1562         target register is modified by an auto-inc expression with variable
1563         increment.
1564
1565 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1566
1567         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
1568         off-by-one error.
1569         (array_at_struct_end_p): New function.
1570         (idx_infer_loop_bounds): Use it.
1571         (estimate_numbers_of_iterations_loop): Export.
1572         * predict.c (predict_loops): Use estimated_loop_iterations_int.
1573         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
1574         (tree_estimate_probability): Call record_loop_exits.
1575         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
1576         (estimated_loop_iterations, estimated_loop_iterations_int,
1577         estimated_loop_iterations_tree): New functions.
1578         (analyze_siv_subscript_cst_affine,
1579         compute_overlap_steps_for_affine_1_2,
1580         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
1581         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
1582         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
1583         (PRED_LOOP_ITERATIONS_GUESSED): New.
1584         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
1585         * cfgloop.h (estimate_numbers_of_iterations_loop,
1586         estimated_loop_iterations_int): Declare.
1587
1588 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
1589
1590         * doc/extend.texi: Document optional priority argument to
1591         constructors and destructors.
1592         * tree.c (init_priority_for_decl): Adjust GTY markers.
1593         (init_ttree): Use priority-info hash functions for
1594         init_priority_for_decl.
1595         (tree_map_eq): Rename to ...
1596         (tree_map_base_eq): ... this.
1597         (tree_map_marked_p): Rename to ...
1598         (tree_map_base_marked_p): ... this.
1599         (tree_map_base_hash): New function.
1600         (decl_init_priority_lookup): Rework.
1601         (decl_fini_priority_lookup): New function.
1602         (decl_priority_info): New function.
1603         (decl_init_priority_insert): Use it.
1604         (decl_fini_priority_insert): Likewise.
1605         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
1606         hierarchy.
1607         (decl_restrict_base_insert): Likewise.
1608         (decl_debug_expr_insert): Likewise.
1609         (decl_value_expr_lookup): Likewise.
1610         (decl_value_expr_insert): Likewise.
1611         * tree.h (priority_type): New type.
1612         (decl_init_priority_lookup): Use priority_type.
1613         (decl_fini_priority_lookup): New function.
1614         (decl_init_priority_insert): Use priority_type.
1615         (decl_fini_priority_insert): New function.
1616         (DECL_HAS_INIT_PRIORITY): Tweak comments.
1617         (DECL_INIT_PRIORITY): Likewise.
1618         (SET_DECL_INIT_PRIORITY): Add comment.
1619         (DECL_FINI_PRIORITY): New macro.
1620         (SET_DECL_FINI_PRIORITY): Likewise.
1621         (DEFAULT_INIT_PRIORITY): Document.
1622         (MAX_INIT_PRIORITY): Likewise.
1623         (MAX_RESERVED_INIT_PRIORITY): Likewise.
1624         (tree_map_base): New type.
1625         (tree_map_base_eq): New function.
1626         (tree_map_base_hash): Likewise.
1627         (tree_map_base_marked_p): Likewise.
1628         (tree_map): Inherit from tree_map_base.
1629         (tree_map_eq): Make it a macro.
1630         (tree_map_marked_p): Likewise.
1631         (tree_int_map): Inherit from tree_map_base.
1632         (tree_int_map_eq): Make it a macro.
1633         (tree_int_map_hash): Likewise.
1634         (tree_int_map_marked_p): Likewise.
1635         (tree_priority_map): New type.
1636         (tree_priority_map_eq): New macro.
1637         (tree_priority_map_hash): Likewise.
1638         (tree_priority_map_marked_p): Likewise.
1639         * varasm.c (emults_decl): Adjust for refactoring of tree_map
1640         hierarchy.
1641         (emutls_common_1): Likewise.
1642         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1643         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1644         of tree_map hierarchy.
1645         * tree-cfg.c (move_stmt_r): Likewise.
1646         (new_label_mapper): Likewise.
1647         * c-tree.h (c_expand_body): Move to ...
1648         * c-common.h (c_expand_body): ... here.
1649         * c-decl.c (c_expand_body): Move to ...
1650         * c-common.c (c_expand_body): ... here.
1651         (c_common_attribute_table): Allow 1 argument for the constructor
1652         and destructor attributes.
1653         (get_priority): New function.
1654         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1655         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1656
1657 2007-02-24  Jan Hubicka  <jh@suse.cz>
1658
1659         PR middle-end/30509
1660         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1661
1662 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1663             Jan Hubicka  <jh@suse.cz>
1664
1665         PR target/30778
1666         * i386.c (counter_mode): New function.
1667         (expand_set_or_movmem_via_loop): Use it.
1668         (expand_movmem_epilogue): Likewise; fix pasto.
1669         (ix86_expand_movmem): Do emit guard even for constant counts.
1670         (ix86_expand_setmem): Likewise.
1671
1672 2007-02-25  Nick Clifton  <nickc@redhat.com>
1673
1674         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1675         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1676
1677 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1678
1679         PR target/30770
1680         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1681         count argument with 0x10, not with 0x16.
1682         (expand_setmem_epilogue): Ditto.
1683
1684 2007-02-24  Mike Stump  <mrs@apple.com>
1685
1686         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1687         symbols.
1688
1689 2007-02-24  Richard Guenther  <rguenther@suse.de>
1690
1691         PR middle-end/30951
1692         * fold-const.c (fold_binary): Fold x +- CST op x for
1693         EQ_EXPR and NE_EXPR.
1694
1695 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1696
1697         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1698
1699 2007-02-24  Jan Hubicka  <jh@suse.cz>
1700
1701         * cgraphunit.c (decide_is_function_needed): Honor
1702         -fkeep-inline-functions.
1703
1704 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1705
1706         * builtins.c (fold_builtin_modf): New.
1707         (fold_builtin_2): Use it.
1708
1709 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1710
1711         * loop-iv.c (implies_p): Detect additional cases where A implies B.
1712         (determine_max_iter): Take additional LOOP arg; all callers changed.
1713         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
1714         one using simplifications.
1715         (simplify_using_initial_values): Return if the expression becomes
1716         invalid due to altered regs.
1717
1718 2007-02-23  DJ Delorie  <dj@redhat.com>
1719
1720         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1721
1722 2007-02-23  Mike Stump  <mrs@apple.com>
1723
1724         * tlink.c (scan_linker_output): Parse linker messages from
1725         darwin9's linker better.
1726
1727 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
1728
1729         PR debug/29614
1730         * varpool.c (varpool_assemble_pending_decls):  Set
1731         varpool_last_needed_node to null.
1732
1733 2007-02-23  DJ Delorie  <dj@redhat.com>
1734
1735         * config/i386/i386.c (ix86_data_alignment): Don't specify an
1736         alignment bigger than the object file can handle.
1737
1738 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
1739
1740         PR target/30825
1741         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1742         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1743         (*movsf_1): Penalize MMX moves.
1744
1745 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1746
1747         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1748         2^32-1 or more times unless flag_unsafe_loop_optimizations.
1749
1750         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1751
1752 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1753
1754         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1755         (fold_builtin_1): Use them.
1756         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1757         BUILT_IN_SIGNIFICAND.
1758
1759 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1760
1761         * config/i386/i386.c (bdesc_1arg): Initialize
1762         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1763         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1764         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1765         and IX86_BUILTIN_MOVSLDUP.
1766
1767 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1768
1769         PR rtl-optimization/30841
1770         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1771
1772 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1773
1774         * builtins.c (fold_builtin_frexp): New.
1775         (fold_builtin_2): Use it.
1776
1777 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1778
1779         * doc/invoke.texi (Spec Files): Document getenv spec function.
1780
1781         * gcc.c (getenv_spec_function): New function.
1782         (static_spec_functions): Add it.
1783         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1784         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1785         header files.
1786
1787 2007-02-22  Michael Matz  <matz@suse.de
1788
1789         PR c++/29433
1790         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1791         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1792
1793 2007-02-22  Ian Lance Taylor  <iant@google.com>
1794
1795         PR debug/30898
1796         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1797         (mem_loc_descriptor): Call it.
1798
1799 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1800             Ira Rosen  <irar@il.ibm.com>
1801
1802         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1803
1804 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1805
1806         PR tree-optimization/30843
1807         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1808         stores only after all the group is vectorized.
1809
1810 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1811
1812         PR tree-optimization/30858
1813         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1814         in the reduction cycle have a single use in the loop.
1815         * tree-vectorizer.h (relevant): Add documentation.
1816
1817 2007-02-20  Mike Stump  <mrs@apple.com>
1818
1819         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1820         * configure: Regenerate.
1821
1822 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1823
1824         Change the defaults of some parameters and options.
1825         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1826         * config/spu/spu.c (spu_optimization_options): Add.
1827         (spu_override_options): Change params in spu_optimization_options.
1828         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1829
1830         Register 127 is only 16 byte aligned when used as a frame pointer.
1831         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1832         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1833         HARD_FRAME_POINTER_REGNUM.
1834         (spu_legitimate_address):  Use regno_aligned_for_reload.
1835         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1836         aligned when frame_pointer_needed is true.
1837         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1838         to 8 bits.
1839         * config/spu/spu.h (INIT_EXPANDERS): Define.
1840
1841         Make sure shift and rotate instructions have valid immediate operands.
1842         * config/spu/predicates.md (spu_shift_operand): Remove.
1843         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1844         * config/spu/constraints.md (W, O): Extend range.
1845         * config/spu/spu.md (umask, nmask): Define.
1846         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1847         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1848         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1849         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1850         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1851         (lshr<mode>3_reg):  Fix rtl description.
1852
1853         Make sure mulhisi immediate operands are valid.
1854         * config/spu/predicates.md (imm_K_operand): Add.
1855         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1856
1857         Generate constants using fsmbi and andi.
1858         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1859         (print_operand, spu_split_immediate, classify_immediate,
1860         fsmbi_const_p): Handle IC_FSMBI2.
1861
1862         Correctly handle a CONST_VECTOR containing symbols.
1863         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1864         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1865         (immediate_load_p): Allow symbols that use 2 instructions to create.
1866         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1867         with symbols when flag_pic is set.
1868         (const_vector_immediate_p): New.
1869         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1870         accept a CONST_VECTOR with symbols.
1871         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1872         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1873         correctly.
1874         * config/spu/spu.md (high, low): Delete.
1875         (low_<mode>): Define.
1876
1877         Remove INTRmode and INTR_REGNUM, which didn't work.
1878         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1879         of INTR_REGNUM.
1880         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1881         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1882         peephole2 pattern): Don't use INTR or 131.
1883         (movintrcc): Delete.
1884         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1885         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1886         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1887         (UNSPEC_SET_INTR): Add.
1888         * config/spu/spu-modes.def (INTR): Remove.
1889
1890         More accurate warnings about run-time relocations.
1891         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1892
1893         Correctly warn about immediate arguments to specific intrinsics.
1894         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1895         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1896         the instruction predicate.
1897
1898         Fix tree check errors with latest update.
1899         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1900         CALL_EXPR_ARG.
1901         (spu_expand_builtin): Use CALL_EXPR_FN.
1902
1903         Add missing specific intrinsics.
1904         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1905         si_bislede.
1906         * config/spu/spu_internals.h: Ditto.
1907
1908         Fix incorrect operand modifiers.
1909         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1910         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1911
1912         Optimize one case of zero_extend of a vec_select.
1913         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1914
1915         Accept any immediate for hbr.
1916         * config/spu/spu.md (hbr):  Change s constraints to i.
1917
1918 2007-02-21  Paul Brook  <paul@codesourcery.com>
1919
1920         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1921         condexec_count when skipping USE and CLOBBER.
1922
1923 2007-02-21  Nick Clifton  <nickc@redhat.com>
1924
1925         * common.opt (Warray-bounds): Add Warning attribute.
1926         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1927         Likewise.
1928         (fsized-zeroes): Add Optimization attribute.
1929         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1930         * c.opt (Wc++0x-compat): Add Warning attribute.
1931
1932 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1933
1934         PR middle-end/30761
1935         * reload1.c (eliminate_regs_in_insn): In the single_set special
1936         case, attempt to re-recognize the insn before falling back to
1937         having reload fix it up.
1938
1939 2007-02-20  Eric Christopher  <echristo@gmail.com>
1940
1941         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1942         Rewrite accordingly.
1943         (frv_read_iacc_argument): Ditto.
1944         (frv_expand_set_builtin): Take a call instead of arglist, update for
1945         above changes.
1946         (frv_expand_unop_builtin): Ditto.
1947         (frv_expand_binop_builtin): Ditto.
1948         (frv_expand_cut_builtin): Ditto.
1949         (frv_expand_binopimm_builtin): Ditto.
1950         (frv_expand_voidbinop_builtin): Ditto.
1951         (frv_expand_int_void2arg): Ditto.
1952         (frv_expand_prefetches): Ditto.
1953         (frv_expand_voidtriop_builtin): Ditto.
1954         (frv_expand_voidaccop_builtin): Ditto.
1955         (frv_expand_load_builtin): Ditto.
1956         (frv_expand_store_builtin): Ditto.
1957         (frv_expand_mdpackh_builtin): Ditto.
1958         (frv_expand_mclracc_builtin): Ditto.
1959         (frv_expand_mrdacc_builtin): Ditto.
1960         (frv_expand_mwtacc_builtin): Ditto.
1961         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1962         calls for above.
1963
1964 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1965
1966         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1967         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1968         cmpb instruction.
1969         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1970         point instructions.
1971         * configure: Regenerate.
1972         * config.in: Regenerate.
1973         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1974         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1975         masks to power6 and power6x and to POWERPC_MASKS.
1976         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1977         _ARCH_PWR6.
1978         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1979         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1980         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1981         Access PROTOTYPE as variable, not mask.
1982
1983 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1984
1985         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1986         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1987         * combine.c (adjust_for_new_dest): Use it.
1988         * postreload.c (reload_combine): Likewise.
1989
1990 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1991
1992         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1993         notes on an insn with multiple sets, even if single_set returns
1994         non-NULL for that insn.
1995
1996 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1997
1998         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1999         scalbn and scalbln.
2000
2001 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
2002
2003         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2004         if user didn't pass it.
2005         * config/i386/darwin.h (CC1_SPEC): Likewise.
2006         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2007         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2008         -mmacosx-version-min.
2009
2010 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2011             Uros Bizjak  <ubizjak@gmail.com>
2012
2013         * optabs.h (enum optab_index): Add new OTI_scalb.
2014         (scalb_optab): Define corresponding macro.
2015         * optabs.c (init_optabs): Initialize scalb_optab.
2016         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2017         patterns.
2018         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2019         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2020         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2021         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2022         flag_unsafe_math_optimizations is set.
2023
2024         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2025         to implement scalbf, scalb and scalbl built-ins as inline x87
2026         intrinsics.
2027
2028 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2029             DJ Delorie <dj@redhat.com>
2030
2031         PR other/30824
2032         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2033         (diagnostic_report_diagnostic): ... here, and turn them into real
2034         errors. If warnings are inhibited, no need to do anything.
2035
2036 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
2037
2038         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2039         better code generation.
2040
2041 2007-02-20  Ben Elliston  <bje@au.ibm.com>
2042
2043         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2044
2045 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
2046
2047         * config/alpha/alpha.c, config/alpha/alpha.md,
2048         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2049         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2050         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2051         config/arm/lib1funcs.asm: Follow spelling conventions.
2052
2053         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2054         config/fr30/fr30.md, config/i386/i386.h,
2055         config/iq2000/iq2000.h, config/iq2000/predicates.md,
2056         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2057         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2058         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2059         config/rs6000/altivec.md, config/rs6000/rs6000.c,
2060         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2061         config/sparc/sparc.c, config/sparc/sparc.h,
2062         config/sparc/sparc.md, config/spu/constraints.md,
2063         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2064         conventions.
2065
2066 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
2067
2068         PR target/29943
2069         * varasm.c (use_blocks_for_decl_p): Return false for decls with
2070         alias attribute.
2071
2072 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2073
2074         * doc/invoke.texi (-ftree-lrs): Remove.
2075
2076 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
2077
2078         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2079         NULL.
2080
2081 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
2082
2083         * config/ia64/ia64.c (ia64_expand_builtin): Use the
2084         new CALL_EXPR_FN macro for retrieving the function
2085         declaration of the input expression.
2086
2087 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2088
2089         * c.opt (Waddress): New.
2090         * common.opt (Walways-true): Delete.
2091         (Wstring-literal-comparison): Delete.
2092         * doc/invoke.texi (Warning Options): Delete -Walways-true and
2093         -Wstring-literal-comparison. Add -Waddress.
2094         (Waddress): New.
2095         (Walways-true): Delete.
2096         (Wstring-literal-comparison): Delete.
2097         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2098         consistently instead of -Walways-true in example.
2099         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2100         * c-typeck.c (parser_build_binary_op): Replace
2101         -Wstring-literal-comparison and -Walways-true with -Waddress.
2102         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2103         with -Waddress.
2104
2105 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2106
2107         * tree-cfg.c (dump_function_to_file): Be prepared for functions
2108         without DECL_STRUCT_FUNCTION initialized.
2109
2110 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2111
2112         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2113         due to calls to functions taking pointers as parameters.
2114
2115 2007-02-19  Richard Henderson  <rth@redhat.com>
2116
2117         PR debug/29558
2118         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2119         in memory.
2120
2121 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2122
2123         * config/s390/s390.c (s390_call_saved_register_used,
2124         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2125         accessed to the new scheme.
2126
2127 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2128
2129         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2130         (cris_print_index, cris_print_operand, cris_print_operand_address)
2131         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2132         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2133         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2134         GET_CODE () == xxx.
2135         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2136         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2137         GO_IF_LEGITIMATE_ADDRESS): Ditto.
2138         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2139         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2140         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2141         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2142         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2143         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2144         (uminsi3, call, call_value): Ditto.
2145         (define_split: indir_to_reg_split, unnamed): Ditto.
2146
2147 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
2148
2149         PR tree-optimization/30975
2150         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2151         wrong assert.
2152
2153 2007-02-18  Eric Christopher  <echristo@gmail.com>
2154
2155         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2156         Remove use of arglist.
2157         (mips_expand_builtin): Remove use of arglist, pass in expr.
2158         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2159         (mips_expand_builtin_movtf): Ditto.
2160         (mips_expand_builtin_compare): Ditto.
2161
2162 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2163
2164         * tree-sra.c (sra_build_assignment): Replace assertion
2165         checking with a comment explaining why it can't be done.
2166
2167 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2168
2169         PR middle-end/30833
2170         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2171         during CALL_EXPR representation conversion.
2172         * tree-ssa-propagate.c (set_rhs): Likewise.
2173
2174 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2175
2176         * tree-sra.c (sra_build_assignment): Disable assertion checking
2177         for now.
2178
2179 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2180
2181         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2182         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2183         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2184         Likewise.
2185         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2186         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
2187         gimplify_init_ctor_eval_range, gimple_push_cleanup,
2188         gimplify_omp_for, gimplify_omp_atomic_pipeline,
2189         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2190         force_gimple_operand): Likewise.
2191         * ipa-cp.c (constant_val_insert): Likewise.
2192         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2193         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2194         perfect_nestify): Likewise.
2195         * langhooks.c (lhd_omp_assignment): Likewise.
2196         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2197         lower_copyprivate_clauses, lower_send_clauses,
2198         lower_send_shared_vars, expand_parallel_call,
2199         expand_omp_for_generic, expand_omp_for_static_nochunk,
2200         expand_omp_for_static_chunk, expand_omp_sections,
2201         lower_omp_single_copy, lower_omp_for_lastprivate,
2202         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2203         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2204         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2205         Likewise.
2206
2207 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2208
2209         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2210         config/sh/sh.md: Follow spelling conventions.
2211
2212         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2213         config/frv/predicates.md: Follow spelling conventions.
2214
2215         * config/m68k/linux-unwind.h: Fix a comment typo.
2216         * target.h: Follow spelling conventions.
2217
2218 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2219
2220         PR rtl-optimization/28173
2221         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
2222         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2223         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2224         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2225         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2226
2227 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2228
2229         * builtins.c (fold_builtin_load_exponent): New.
2230         (fold_builtin_2): Use it.
2231
2232 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
2233
2234         PR rtl-optimization/30773
2235         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2236         if we fail to attach a REG_EQUIV note.
2237
2238 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
2239             Roger Sayle  <roger@eyesopen.com>
2240
2241         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2242
2243 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2244
2245         * calls.c (initialize_argument_information): Pass original EXP
2246         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
2247         code to split complex arguments here, as part of initializing the
2248         ARGS array.
2249         (expand_call): Remove code that builds a list of arguments and
2250         inserts implicit arguments into it.  Instead, just count how many
2251         implicit arguments there will be so we can determine the size of
2252         the ARGS array, and let initialize_argument_information do the work.
2253         (split_complex_values): Delete unused function.
2254
2255 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2256
2257         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2258
2259 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2260
2261         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2262         for arg pointer based indexed addressing.
2263
2264 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2265
2266         * config/ia64/ia64.h, config/ia64/ia64.md,
2267         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2268         spelling conventions.
2269
2270 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2271
2272         * config/m68k/m68k.c (split_di): New.
2273         * config/m68k/m68k-protos.h: Declare split_di.
2274         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2275           Improve predicate handling and split constant shifts.
2276
2277 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2278
2279         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2280         parameter for register bitfield operations, general predicates
2281         cleanup
2282
2283 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2284
2285         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2286         * config/m68k/linux-unwind.h: New file.
2287
2288 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2289
2290         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2291         config/i386/athlon.md, config/ia64/ia64.md,
2292         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2293         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2294         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2295         tree-ssa-loop-niter.c, tree-vect-analyze.c,
2296         tree-vect-transform.c: Fix comment typos.
2297
2298 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
2299
2300         * sched-deps.c (find_insn_list): Remove.
2301         * sched-int.h: Remove the prototype for find_insn_list.
2302
2303 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
2304
2305         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2306         to linker.
2307         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2308         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2309         darwin_rs6000_override_options.
2310         (C_COMMON_OVERRIDE_OPTIONS): Expect
2311         darwin_macosx_version_min to be non-NULL always.
2312         (TARGET_C99_FUNCTIONS): Likewise.
2313         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2314         (DARWIN_MINVERSION_SPEC): New.
2315         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2316         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2317         to cc1*.
2318         (DARWIN_MINVERSION_SPEC): New.
2319         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2320         value.
2321         * config/darwin-c.c (darwin_cpp_builtins): Expect
2322         darwin_macosx_version_min to be non-NULL always.
2323
2324         * config/rs6000/rs6000.c: Clean up trailing whitespace.
2325
2326 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
2327
2328         * config/i386/i386.h (x86_use_xchgb): New.
2329         (TARGET_USE_XCHGB): New macro.
2330         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2331         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2332         Split after reload into bswaphi for shifts of 8.
2333         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2334         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2335         or when optimizing for size.
2336
2337 2007-02-16  Richard Guenther  <rguenther@suse.de>
2338             Christian Bruel  <christian.bruel@st.com>
2339
2340         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2341         DECLs but prefer SSA_NAMEs over DECLs.
2342
2343 2007-02-16  Richard Guenther  <rguenther@suse.de>
2344
2345         * tree-flow-inline.h (single_imm_use_p): Remove.
2346         (zero_imm_uses_p): Likewise.
2347         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2348         instead of single_imm_use_p.
2349         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2350         zero_imm_uses_p.
2351
2352 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2353
2354         PR other/27843
2355         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2356         nested double- and backquotes.
2357
2358 2007-02-15  Roger Sayle  <roger@eyesopen.com>
2359
2360         PR middle-end/30391
2361         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
2362         should be unreachable.
2363         (build2_stat): Allow construction of MODIFY_EXPR at any time.
2364         For the time being redirect GIMPLE_MODIFY_STMT to the new
2365         (renamed) build_gimple_modify_stmt_stat.
2366         (build2_gimple_stat): Rename to...
2367         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2368         Always build a GIMPLE_MODIFY_STMT node.
2369         * tree.h (build2_gimple, build2_gimple_stat): Delete.
2370         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2371         declarations.
2372
2373         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2374         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2375         * tree-complex.c (set_component_ssa_name, expand_complex_move,
2376         expand_complex_div_wide): Likewise.
2377         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2378         * tree-ssa-loop-im.c (schedule_sm): Likewise.
2379         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2380         * tree-ssa-loop-manip.c (create_iv): Likewise.
2381         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2382         abs_replacement): Likewise.
2383         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2384         realify_fake_stores): Likewise.
2385
2386         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2387         node rather than a GIMPLE_MODIFY_STMT node.
2388         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2389         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2390         Likewise.
2391         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2392         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2393         GIMPLE_MODIFY_STMT.
2394
2395 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2396
2397         PR middle-end/30433
2398         * fold-const.c (fold_comparison): Add back the
2399         folding of constant complex comparisions.
2400
2401 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2402
2403         PR middle-end/30729
2404         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2405         effects unknown to this function, return early.
2406
2407 2007-02-15  Ian Lance Taylor  <iant@google.com>
2408
2409         * lower-subreg.c (move_eh_region_note): New static function.
2410         (resolve_simple_move): Call it.
2411         (decompose_multiword_subregs): Track blocks for which we resolve a
2412         simple move which is also a control flow insn.  Pass them to
2413         find_many_sub_basic_blocks.
2414         (pass_lower_subreg): Add TODO_verify_flow.
2415         (pass_lower_subreg2): Likewise.
2416
2417 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2418             Brooks Moses  <brooks.moses@codesourcery.com>
2419             Lee Millward  <lee.millward@codesourcery.com>
2420
2421         * tree.h (enum tree_code_class): Add tcc_vl_exp.
2422         (VL_EXP_CLASS_P): New.
2423         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2424         TREE_CODE_LENGTH.
2425         (TREE_OPERAND_CHECK_CODE): Likewise.
2426         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2427         (TREE_RTL_OPERAND_CHECK): Likewise.
2428         (tree_operand_check_failed): Make second parameter the whole tree
2429         instead of its code.  Fixed callers.
2430         (VL_EXP_CHECK): New.
2431         (TREE_OPERAND_LENGTH): New.
2432         (VL_EXP_OPERAND_LENGTH): New.
2433         (CALL_EXPR_FN): New.
2434         (CALL_EXPR_STATIC_CHAIN): New.
2435         (CALL_EXPR_ARGS): New.
2436         (CALL_EXPR_ARG): New.
2437         (call_expr_nargs): New.
2438         (CALL_EXPR_ARGP): New.
2439         (build_nt_call_list): Declare.
2440         (build_vl_exp_stat): Declare.
2441         (build_vl_exp): New.
2442         (build_call_list): Declare.
2443         (build_call_nary): Declare.
2444         (build_call_valist): Declare.
2445         (build_call_array): Declare.
2446         (call_expr_arg): Declare.
2447         (call_expr_argp): Declare.
2448         (call_expr_arglist): Declare.
2449         (fold_build_call_list): Declare.
2450         (fold_build_call_list_initializer): Declare.
2451         (fold_call_expr): Declare to replace fold_builtin.
2452         (fold_builtin_fputs): Update to agree with modified definition.
2453         (fold_builtin_strcpy): Likewise.
2454         (fold_builtin_strncpy): Likewise.
2455         (fold_builtin_memory_chk): Likewise.
2456         (fold_builtin_stxcpy_chk): Likewise.
2457         (fold_builtin_strncpy_chk): Likewise.
2458         (fold_builtin_next_arg): Likewise.
2459         (fold_build_call_expr): Declare.
2460         (fold_builtin_call_list): Declare.
2461         (fold_builtin_call_valist): Declare.
2462         (build_call_expr): Declare.
2463         (validate_arglist): Update to agree with modified definition.
2464         (tree_operand_length): New.
2465         (call_expr_arg_iterator): New.
2466         (init_call_expr_arg_iterator): New.
2467         (next_call_expr_arg): New.
2468         (first_call_expr_arg): New.
2469         (more_call_expr_args_p): New.
2470         (FOR_EACH_CALL_EXPR_ARG): New.
2471
2472         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2473         and tcc_gimple_stmt.
2474         (tree_code_size): Update documentation.  Use sizeof (tree) rather
2475         than sizeof (char *).
2476         (tree_size): Likewise.  Add case for tcc_vl_exp.
2477         (tree_node_structure): Add case for tcc_vl_exp.
2478         (contains_placeholder_p): Likewise.
2479         (substitute_in_expr): Likewise.
2480         (substitute_placeholder_in_expr): Likewise.
2481         (stabilize_reference_1): Likewise.
2482         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
2483         to diagnose breakage of this interface for constructing CALL_EXPRs.
2484         (build_nt): Add similar assertion here.
2485         (build_nt_call_list): New.
2486         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2487         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2488         TREE_CODE_LENGTH.
2489         (get_callee_fndecl): Use new CALL_EXPR accessors.
2490         (tree_operand_check_failed): Change parameters to pass entire node
2491         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2492         (process_call_operands): New.
2493         (build_vl_exp_stat): New.
2494         (build_call_list): New.
2495         (build_call_nary): New.
2496         (build_call_valist): New.
2497         (build_call_array): New.
2498         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2499         (call_expr_arglist): New.
2500
2501         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2502         tcc_vl_exp instead of a fixed-size tcc_expression.
2503
2504         * doc/c-tree.texi (CALL_EXPR): Document new representation and
2505         accessors for CALL_EXPRs.
2506         (AGGR_INIT_EXPR): Likewise.
2507
2508 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2509             Brooks Moses  <brooks.moses@codesourcery.com>
2510             Lee Millward  <lee.millward@codesourcery.com>
2511
2512         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2513         (expand_builtin_nonlocal_goto): Change parameter to be entire
2514         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
2515         (expand_builtin_prefetch): Likewise.
2516         (expand_builtin_classify_type): Likewise.
2517         (mathfn_built_in): Return NULL_TREE instead of 0.
2518         (expand_errno_check): Use new CALL_EXPR accessors.
2519         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
2520         Return NULL_RTX instead of 0.
2521         (expand_builtin_mathfn_2): Likewise.
2522         (expand_builtin_mathfn_3): Likewise.
2523         (expand_builtin_interclass_mathfn): Likewise.
2524         (expand_builtin_sincos): Likewise.
2525         (expand_builtin_cexpi): Likewise.
2526         (expand_builtin_int_roundingfn): Likewise.
2527         (expand_builtin_int_roundingfn_2): Likewise.
2528         (expand_builtin_pow): Likewise.
2529         (expand_builtin_powi): Likewise.
2530         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
2531         of arglist, fixing callers appropriately.  Use new CALL_EXPR
2532         accessors and constructors.  Return NULL_RTX instead of 0.
2533         (expand_builtin_strstr): Likewise.
2534         (expand_builtin_strchr): Likewise.
2535         (expand_builtin_strrchr): Likewise.
2536         (expand_builtin_strpbrk): Likewise.
2537         (expand_builtin_memcpy): Likewise.
2538         (expand_builtin_mempcpy): Likewise.
2539         (expand_builtin_mempcpy_args): New.
2540         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
2541         (expand_builtin_memmove_args): New.
2542         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
2543         (expand_movstr): Likewise.
2544         (expand_builtin_strcpy): Likewise.
2545         (expand_builtin_strcpy_args): New.
2546         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
2547         (expand_builtin_strncpy): Likewise.
2548         (expand_builtin_memset): Likewise.
2549         (expand_builtin_memset_args): New.
2550         (expand_builtin_bzero): Similarly to expand_builtin_memset.
2551         (expand_builtin_memcmp): Likewise.
2552         (expand_builtin_strcmp): Likewise.
2553         (expand_builtin_strncmp): Likewise.
2554         (expand_builtin_strcat): Likewise.
2555         (expand_builtin_strncat): Likewise.
2556         (expand_builtin_strspn): Likewise.
2557         (expand_builtin_strcspn): Likewise.
2558         (expand_builtin_args_info): Likewise.
2559         (expand_builtin_va_start): Likewise.
2560         (gimplify_va_arg_expr): Likewise.
2561         (expand_builtin_va_end): Likewise.
2562         (expand_builtin_va_copy): Likewise.
2563         (expand_builtin_frame_address): Likewise.
2564         (expand_builtin_alloca): Likewise.
2565         (expand_builtin_bswap): Likewise.
2566         (expand_builtin_unop): Likewise.
2567         (expand_builtin_fputs): Likewise.
2568         (expand_builtin_expect): Likewise.
2569         (expand_builtin_fabs): Likewise.
2570         (expand_builtin_copysign): Likewise.
2571         (expand_builtin_printf): Likewise.
2572         (expand_builtin_fprintf): Likewise.
2573         (expand_builtin_sprintf): Likewise.
2574         (expand_builtin_init_trampoline): Likewise.
2575         (expand_builtin_signbit): Likewise.
2576         (expand_builtin_fork_or_exec): Likewise.
2577         (expand_builtin_sync_operation): Likewise.
2578         (expand_builtin_compare_and_swap): Likewise.
2579         (expand_builtin_lock_test_and_set): Likewise.
2580         (expand_builtin_lock_release): Likewise.
2581         (expand_builtin): Likewise.
2582         (builtin_mathfn_code): Likewise.
2583
2584         (fold_builtin_constant_p): Pass call arguments individually instead
2585         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2586         accessors and constructors.  Return NULL_TREE instead of 0.
2587         (fold_builtin_expect): Likewise.
2588         (fold_builtin_classify_type): Likewise.
2589         (fold_builtin_strlen): Likewise.
2590         (fold_builtin_nan): Likewise.
2591         (integer_valued_real_p): Likewise.
2592         (fold_trunc_transparent_mathfn): Likewise.
2593         (fold_fixed_mathfn): Likewise.
2594         (fold_builtin_cabs): Likewise.
2595         (fold_builtin_sqrt): Likewise.
2596         (fold_builtin_cbrt): Likewise.
2597         (fold_builtin_cos): Likewise.
2598         (fold_builtin_cosh): Likewise.
2599         (fold_builtin_tan): Likewise.
2600         (fold_builtin_sincos): Likewise.
2601         (fold_builtin_cexp): Likewise.
2602         (fold_builtin_trunc): Likewise.
2603         (fold_builtin_floor): Likewise.
2604         (fold_builtin_ceil): Likewise.
2605         (fold_builtin_round): Likewise.
2606         (fold_builtin_int_roundingfn): Likewise.
2607         (fold_builtin_bitop): Likewise.
2608         (fold_builtin_bswap): Likewise.
2609         (fold_builtin_logarithm): Likewise.
2610         (fold_builtin_hypot): Likewise.
2611         (fold_builtin_pow): Likewise.
2612         (fold_builtin_powi): Likewise.
2613         (fold_builtin_exponent): Likewise.
2614         (fold_builtin_memset): Likewise.
2615         (fold_builtin_bzero): Likewise.
2616         (fold_builtin_memory_op): Likewise.
2617         (fold_builtin_bcopy): Deleted; call site changed to invoke
2618         fold_builtin_memory_op directly.
2619         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
2620         (fold_builtin_strncpy): Likewise.
2621         (fold_builtin_memcmp): Likewise.
2622         (fold_builtin_strcmp): Likewise.
2623         (fold_builtin_strncmp): Likewise.
2624         (fold_builtin_signbit): Likewise.
2625         (fold_builtin_copysign): Likewise.
2626         (fold_builtin_isascii): Likewise.
2627         (fold_builtin_toascii): Likewise.
2628         (fold_builtin_isdigit): Likewise.
2629         (fold_builtin_fabs): Likewise.
2630         (fold_builtin_abs): Likewise.
2631         (fold_builtin_fmin_fmax): Likewise.
2632         (fold_builtin_carg): Likewise.
2633         (fold_builtin_classify): Likewise.
2634         (fold_builtin_unordered_cmp): Likewise.
2635
2636         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2637         New functions split out from fold_builtin_1.
2638         (fold_builtin_n): New.
2639         (fold_builtin_varargs): New.
2640         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
2641         instead.
2642         (fold_call_expr): New.
2643         (build_function_call_expr): Rewrite to use new helper function.
2644         (fold_builtin_call_list): New.
2645         (build_call_expr): New.
2646         (fold_builtin_call_valist): New.
2647         (rewrite_call_expr): New.
2648         (validate_arg): New.
2649         (validate_arglist): Change parameter to be entire CALL_EXPR instead
2650         of an arglist.  Change return type to bool.  Use new CALL_EXPR
2651         accessors.
2652
2653         (fold_builtin_strstr):  Pass call arguments individually instead
2654         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2655         accessors and constructors.  Return NULL_TREE instead of 0.
2656         (fold_builtin_strchr): Likewise.
2657         (fold_builtin_strrchr): Likewise.
2658         (fold_builtin_strpbrk): Likewise.
2659         (fold_builtin_strcat): Likewise.
2660         (fold_builtin_strncat): Likewise.
2661         (fold_builtin_strspn): Likewise.
2662         (fold_builtin_strcspn): Likewise.
2663         (fold_builtin_fputs): Likewise.
2664         (fold_builtin_next_arg): Likewise.
2665         (fold_builtin_sprintf): Likewise.
2666
2667         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
2668         NULL_RTX instead of 0.
2669         (expand_builtin_memory_chk): Likewise.
2670         (maybe_emit_chk_warning): Likewise.
2671         (maybe_emit_sprintf_chk_warning): Likewise.
2672
2673         (fold_builtin_object_size): Pass call arguments individually instead
2674         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2675         accessors and constructors.  Return NULL_TREE instead of 0.
2676         (fold_builtin_memory_chk): Likewise.
2677         (fold_builtin_stxcpy_chk): Likewise.
2678         (fold_builtin_strncpy_chk): Likewise.
2679         (fold_builtin_strcat_chk): Likewise.
2680         (fold_builtin_strcat_chk): Likewise.
2681         (fold_builtin_strncat_chk): Likewise.
2682         (fold_builtin_sprintf_chk): Likewise.
2683         (fold_builtin_snprintf_chk): Likewise.
2684         (fold_builtin_printf): Likewise.
2685         (fold_builtin_vprintf): Likewise.
2686
2687         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2688         constructors.
2689         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2690         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2691         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2692         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2693         (fold_unary): Likewise.
2694         (fold_binary): Likewise.
2695         (fold_ternary): Remove CALL_EXPR case, since they are no longer
2696         ternary expressions.
2697         (fold): Add logic for tcc_vl_exp.
2698         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
2699         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2700         (fold_build3_stat): Add assertion to flag broken interface for
2701         constructing CALL_EXPRs.
2702         (fold_build_call_list): New.
2703         (fold_build_call_list_initializer): New.
2704         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2705         constructors.
2706         (fold_strip_sign_ops): Likewise.
2707
2708 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2709             Brooks Moses  <brooks.moses@codesourcery.com>
2710             Lee Millward  <lee.millward@codesourcery.com>
2711
2712         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2713         accessors and dump arguments explicitly.
2714
2715         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2716         TREE_CODE_LENGTH.
2717         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2718         explicitly.
2719         (print_call_name): Use new CALL_EXPR accessors.
2720
2721         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
2722         CALL_EXPR arguments explicitly instead of as a list.  Use
2723         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2724
2725         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2726         (vrp_visit_stmt): Likewise.
2727
2728         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
2729         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
2730         TREE_CODE_LENGTH.
2731         (force_move_till_expr): Likewise.
2732
2733         * targhooks.c (default_external_stack_protect_fail): Use
2734         build_call_expr instead of build_function_call_expr.
2735         (default_hidden_stack_protect_fail): Likewise.
2736
2737         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2738         build the call.
2739
2740         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2741         and walk arguments explicitly.
2742
2743         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2744         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2745         (expand_simple_operations): Likewise.
2746         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2747
2748         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2749         of TREE_CODE_LENGTH.
2750         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2751
2752         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2753         instead of TREE_CODE_LENGTH.
2754
2755         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2756         (tree_ic_transform): Likewise.
2757         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2758         parameter instead of arglist.  Fix callers.
2759         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2760         (tree_stringops_transform): Likewise.
2761         (tree_indirect_call_to_profile): Likewise.
2762         (tree_stringops_values_to_profile): Likewise.
2763
2764         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2765         (eliminate_tail_call): Likewise.
2766
2767         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2768
2769         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2770         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2771         operands.
2772         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2773
2774         * omp-low.c (build_omp_barrier): Use build_call_expr.
2775         (lower_rec_input_clauses): Likewise.
2776         (lower_reduction_clauses): Likewise.
2777         (expand_parallel_call): Likewise.
2778         (maybe_catch_exception): Likewise.
2779         (expand_omp_for_generic): Likewise.
2780         (expand_omp_for_static_nochunk): Likewise.
2781         (expand_omp_sections): Likewise.
2782         (lower_omp_single_simple): Likewise.
2783         (lower_omp_single_copy): Likewise.
2784         (lower_omp_master): Likewise.
2785         (lower_omp_ordered): Likewise.
2786         (lower_omp_critical): Likewise.
2787
2788         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2789         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2790
2791         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2792         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2793         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2794
2795         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2796         and generalize to handle any number of operands.
2797         (chrec_contains_undetermined): Likewise.
2798         (tree_contains_chrecs): Likewise.
2799         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2800
2801         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2802
2803         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2804         fold_call_expr instead of fold_builtin.
2805         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2806         match declarations there.
2807         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2808         updates.
2809
2810         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2811         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2812
2813         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2814         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2815
2816         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2817         accessors.
2818
2819         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2820         (execute_cse_sincos): Use new CALL_EXPR accessors.
2821
2822         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2823
2824         * gimple-low.c (lower_function_body): Use build_call_expr.
2825         (lower_builtin_setjmp): Likewise.
2826
2827         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2828         (set_storage_via_libcall): Likewise.
2829         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2830         instead of TREE_CODE_LENGTH.
2831         (expand_expr_real_1): Use new CALL_EXPR accessors.
2832
2833         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2834         generalize to handle any number of operands.
2835         (TB_parent_eq): Likewise.
2836
2837         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2838         (strip_builtin_expect): Likewise.
2839
2840         * function.c (gimplify_parameters): Use build_call_expr.
2841
2842         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2843         instead of TREE_CODE_LENGTH.
2844
2845         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2846         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2847
2848         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2849         iterators.
2850
2851         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2852         (gimplify_decl_expr): Likewise.
2853         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2854         Use new CALL_EXPR iterators.
2855         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2856         (gimplify_modify_expr_to_memset): Likewise.
2857         (gimplify_variable_sized_compare): Likewise.
2858         (gimplify_omp_atomic_fetch_op): Likewise.
2859         (gimplify_omp_atomic_pipeline): Likewise.
2860         (gimplify_omp_atomic_mutex): Likewise.
2861         (gimplify_function_tree): Likewise.
2862
2863         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2864         (call_expr_flags): Likewise.
2865         (expand_call): Likewise.
2866
2867         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2868         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2869         accessors.
2870
2871         * coverage.c (create_coverage): Use build_call_expr.
2872
2873         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2874         (temp_call_expr_obstack): New.
2875         (pool_copy_list): Delete.
2876         (temp_copy_call_expr): New.
2877         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2878         CALL_EXPR accessors.  Get rid of special goo for copying argument
2879         lists and use temp_copy_call_expr instead.
2880         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2881         CALL_EXPR accessors.
2882         (create_expression_by_pieces): Likewise.  Use build_call_array
2883         to construct the result instead of fold_build3.
2884         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2885         dealing with argument lists.
2886         (init_pre): Remove references to expression_node_pool and
2887         list_node_pool.  Init temp_call_expr_obstack instead.
2888         (fini_pre): Remove references to expression_node_pool and
2889         list_node_pool.
2890
2891         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2892         and walk arguments explicitly instead of as a list.
2893
2894         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2895         (mx_register_decls): Likewise.
2896         (mudflap_register_call): Likewise.
2897         (mudflap_finish_file): Likewise.
2898
2899         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2900         (ipa_callsite_compute_param): Likewise.
2901
2902         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2903         accessors and constructor.
2904
2905         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2906         accessors and constructor.
2907         (convert_tramp_reference): Likewise.
2908         (convert_call_expr): Likewise.
2909         (finalize_nesting_tree_1): Likewise.
2910
2911         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2912         accessors.
2913
2914         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2915
2916         * tree-inline.c (initialize_inlined_parameters): Pass entire
2917         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2918         accessors.
2919         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2920         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2921
2922         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2923         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2924         (vectorizable_reduction): Likewise.
2925         (vectorizable_call): Use new CALL_EXPR iterators.
2926         (vectorizable_conversion): Use build_call_expr.
2927         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2928         (vect_gen_widened_results_half): Use build_call_expr.
2929         (vect_setup_realignment): Likewise.
2930         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2931
2932         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2933         (pass_through_call): Likewise.
2934         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2935         fold_builtin.
2936
2937         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2938         (tree_gen_pow2_profiler): Likewise.
2939         (tree_gen_one_value_profiler): Likewise.
2940         (tree_gen_ic_func_profiler): Likewise.
2941         (tree_gen_average_profiler): Likewise.
2942         (tree_gen_ior_profiler): Likewise.
2943
2944         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2945         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2946         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2947
2948         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2949         of TREE_CODE_LENGTH.
2950
2951         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2952         of TREE_CODE_LENGTH.
2953
2954         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2955         constructor.
2956         (convert_to_integer): Likewise.
2957
2958         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2959         accessors.
2960
2961 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2962             Brooks Moses  <brooks.moses@codesourcery.com>
2963             Lee Millward  <lee.millward@codesourcery.com>
2964
2965         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2966         accessors.
2967         * config/frv/frv.c (frv_expand_builtin): Likewise.
2968         * config/s390/s390.c (s390_expand_builtin): Likewise.
2969
2970         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2971         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2972
2973         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2974         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2975         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2976         (ix86_expand_store_builtin): Likewise.
2977         (ix86_expand_unop_builtin): Likewise.
2978         (ix86_expand_unop1_builtin): Likewise.
2979         (ix86_expand_sse_compare): Likewise.
2980         (ix86_expand_sse_comi): Likewise.
2981         (ix86_expand_vec_init_builtin): Likewise.
2982         (ix86_expand_vec_ext_builtin): Likewise.
2983         (ix86_expand_vec_set_builtin): Likewise.
2984         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2985
2986         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2987         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2988
2989         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2990         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2991         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2992
2993         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2994         build_call_expr.
2995         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2996         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2997         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2998         (altivec_expand_abs_builtin): Likewise.
2999         (rs6000_expand_binop_builtin): Likewise.
3000         (altivec_expand_predicate_builtin): Likewise.
3001         (altivec_expand_lv_builtin): Likewise.
3002         (spe_expand_stv_builtin): Likewise.
3003         (altivec_expand_stv_builtin): Likewise.
3004         (rs6000_expand_ternop_builtin): Likewise.
3005         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3006         (altivec_expand_st_builtin): Likewise.
3007         (altivec_expand_dst_builtin): Likewise.
3008         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3009         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3010         (altivec_expand_vec_set_builtin): Likewise.
3011         (altivec_expand_vec_ext_builtin): Likewise.
3012         (altivec_expand_builtin): Use new CALL_EXPR accessors.
3013         (spe_expand_builtin): Likewise.
3014         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3015         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3016         (spe_expand_evsel_builtin): Likewise.
3017         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
3018         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3019
3020         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3021         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3022         (arm_expand_unop_builtin): Likewise.
3023         (arm_expand_builtin): Use new CALL_EXPR accessors.
3024
3025         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
3026         accessors.
3027
3028         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3029         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3030         (bfin_expand_unop_builtin): Likewise.
3031         (bfin_expand_builtin): Use new CALL_EXPR accessors.
3032
3033 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3034             Brooks Moses  <brooks.moses@codesourcery.com>
3035             Lee Millward  <lee.millward@codesourcery.com>
3036
3037         * c-semantics.c (build_stmt): Add internal diagnostic check.
3038
3039         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3040         accessors.  Print arguments explicitly instead of as a list.
3041
3042         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3043
3044         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3045         (c_finish_omp_flish): Likewise.
3046
3047         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
3048         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
3049         instead of TREE_CODE_LENGTH.
3050         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3051         (c_warn_unused_result): Likewise.
3052
3053 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3054
3055         PR c/26494
3056         * doc/invoke.texi (Warning Options): Remove
3057         -Werror-implicit-function-declaration.
3058         (Wimplicit-function-declaration): Update description.
3059         * opts.c (common_handle_option): Move handling of -Werror=* to...
3060         (enable_warning_as_error): ...here.
3061         * opts.h (enable_warning_as_error): Declare.
3062         * c-decl.c (implicit_decl_warning): Unless
3063         -Wno-implicit-function-declaration is given, emit a pedwarn if
3064         -std=c99 or emit a warning if -Wimplicit-function-declaration.
3065         * c.opt (Wimplicit-function-declaration): Replace
3066         mesg_implicit_function_declaration with
3067         warn_implicit_function_declaration.
3068         * c-opts.c (c_common_handle_option):
3069         -Werror-implicit-function-declaration is exactly equal as
3070         -Werror=implicit-function-declaration.
3071         (set_Wimplicit): Replace mesg_implicit_function_declaration with
3072         warn_implicit_function_declaration.
3073         (c_common_post_options): -Wimplict-function-declaration is enabled
3074         by default by -std=c99, otherwise is disabled by default.
3075         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3076
3077 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3078
3079         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3080         DECL on the rhs to a DECL on the lhs for debug info purposes if the
3081         former is ignored but not the latter.
3082
3083 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3084
3085         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3086         is made and the reference doesn't use the alias set of its type,
3087         do not create the temporary using that type.
3088
3089 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
3090
3091         * jump.c: Remove prototypes for delete_computation and
3092         delete_prior_computation.
3093
3094 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3095
3096         * jump.c (get_label_after): Delete.
3097         (get_label_before, delete_computation, delete_jump,
3098         delete_prior_computation, follow_jumps): Move...
3099         * reorg.c (delete_computation, delete_prior_computation): ... here...
3100         (get_label_before, delete_jump): ... making these static ...
3101         (follow_jumps): ... and simplifying this since it only runs after
3102         reload.
3103         * rtl.h (get_label_after, get_label_before, delete_jump,
3104         follow_jumps): Delete prototypes.
3105
3106 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3107
3108         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3109
3110 2007-02-15  Nick Clifton  <nickc@redhat.com>
3111
3112         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3113         order to prevent it from being munged by the target.
3114
3115 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
3116
3117         * config/i386/i386.md: Remove misleading comment.
3118
3119 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3120
3121         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3122         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3123         invalid patterns.
3124
3125 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3126
3127         * tree-sra.c (instantiate_missing_elements): Canonicalize
3128         bit-field types.
3129         (sra_build_assignment): New.
3130         (generate_copy_inout, generate_element_copy,
3131         generate_element_zero, generate_one_element_init): Use it.
3132
3133 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3134
3135         * tree-sra.c (instantiate_missing_elements): Canonicalize
3136         bit-field types.
3137         (sra_build_assignment): New.
3138         (generate_copy_inout, generate_element_copy,
3139         generate_element_zero, generate_one_element_init): Use it.
3140
3141 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3142
3143         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3144         limbo die nodes.
3145
3146 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
3147
3148         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3149         types as aggregates not scalars.
3150         * function.c (assign_stack_temp_for_type): Likewise.
3151
3152 2007-02-14  Roger Sayle  <roger@eyesopen.com>
3153             Zdenek Dvorak  <dvorakz@suse.cz>
3154
3155         * tree-dump.c (dump_switch_p_1): Require exact match of the option
3156         name.
3157
3158 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
3159
3160         * passes.c (next_pass_1): Clear the next field of the copied
3161         pass structure.
3162
3163 2007-02-14  Richard Henderson  <rth@redhat.com>
3164
3165         * tree-sra.c (early_sra): New.
3166         (decl_can_be_decomposed_p): Deny va_list if early_sra.
3167         (tree_sra_early, pass_sra_early): New.
3168         * tree-pass.h (pass_sra_early): Declare.
3169         * passes.c (init_optimization_passes): Use it.
3170
3171 2007-02-14  Richard Guenther  <rguenther@suse.de>
3172
3173         * flags.h (issue_strict_overflow_warning): Convert to a macro.
3174
3175 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
3176
3177          PR tree-optimization/30771
3178         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3179         also phi nodes.
3180         (vect_analyze_operations): Induction phis can now be marked as
3181         used_in_loop.
3182         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3183         Update documentation accordingly.
3184
3185 2007-02-14  Nick Clifton  <nickc@redhat.com>
3186
3187         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3188         most 3 arguments are supported.
3189         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3190
3191 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
3192
3193         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3194         Ensure dst->current is valid.
3195
3196 2007-02-13  Paul Brook  <paul@codesourcery.com>
3197
3198         * config.gcc: Add arm*-*-uclinux-*eabi.
3199         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3200         (SUBTARGET_EXTRA_LINK_SPEC): Define.
3201         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3202         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3203         (LINK_SPEC): Define.
3204         (LIB_SPEC): Define.
3205         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3206         register.
3207         * config/arm/uclinux-eabi.h: New file.
3208         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3209         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3210         based targets.
3211
3212 2007-02-13  Ian Lance Taylor  <iant@google.com>
3213
3214         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3215         * flags.h (warn_strict_overflow): Declare.
3216         (enum warn_strict_overflow_code): Define.
3217         (issue_strict_overflow_warning): New static inline function.
3218         * opts.c (warn_strict_overflow): New variable.
3219         (common_handle_option): Handle OPT_Wstrict_overflow and
3220         OPT_Wstrict_overflow_.
3221         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3222         OPT_Wall.
3223         * fold-const.c: Include intl.h.
3224         (fold_deferring_overflow_warnings): New static variable.
3225         (fold_deferred_overflow_warning): New static variable.
3226         (fold_deferred_overflow_code): New static variable.
3227         (fold_defer_overflow_warnings): New function.
3228         (fold_undefer_overflow_warnings): New function.
3229         (fold_undefer_and_ignore_overflow_warnings): New function.
3230         (fold_deferring_overflow_warnings_p): New function.
3231         (fold_overflow_warning): New static function.
3232         (make_range): Add strict_overflow_p parameter.  Change all
3233         callers.
3234         (extract_muldiv, extract_muldiv_1): Likewise.
3235         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3236         tree_expr_nonnegative_p.
3237         (fold_negate_expr): Call fold_overflow_warning.
3238         (fold_range_test): Likewise.
3239         (fold_comparison): Likewise.
3240         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
3241         instead of tree_expr_nonnegative_p.
3242         (tree_expr_nonnegative_warnv_p): Rename from
3243         tree_expr_nonnegative_p, add strict_overflow_p parameter.
3244         (tree_expr_nonnegative_p): New function.
3245         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3246         strict_overflow_p parameter.
3247         (tree_expr_nonzero_p): New function.
3248         * passes.c (verify_interpass_invariants): New static function.
3249         (execute_one_pass): Call it.
3250         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3251         warnings.
3252         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3253         (estimate_numbers_of_iterations): Likewise.
3254         (scev_probably_wraps_p): Likewise.
3255         * tree-ssa-ccp.c: Include "toplev.h".
3256         (evaluate_stmt): Defer fold overflow warnings until we know we are
3257         going to optimize.
3258         (struct fold_stmt_r_data): Add stmt field.
3259         (fold_stmt_r): Defer fold overflow warnings until we know we
3260         optimized.
3261         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3262         (fold_stmt_inplace): Likewise.
3263         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3264         (cleanup_control_expr_graph): Defer fold overflow warnings until
3265         we know we are going to optimize.
3266         * tree-cfg.c (fold_cond_expr_cond): Likewise.
3267         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3268         Likewise.
3269         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3270         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3271         * tree-ssa-loop-manip.c (create_iv): Likewise.
3272         * c-typeck.c (build_conditional_expr): Likewise.
3273         (build_binary_op): Likewise.
3274         * tree-vrp.c (vrp_expr_computes_nonzero): Call
3275         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3276         (extract_range_from_unary_expr): Likewise.
3277         * simplify-rtx.c (simplify_const_relational_operation): Warn when
3278         assuming that signed overflow does not occur.
3279         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3280         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3281         (fold_defer_overflow_warnings): Declare.
3282         (fold_undefer_overflow_warnings): Declare.
3283         (fold_undefer_and_ignore_overflow_warnings): Declare.
3284         (fold_deferring_overflow_warnings_p): Declare.
3285         (tree_expr_nonzero_warnv_p): Declare.
3286         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3287         of warning options.
3288         (Warning Options): Document -Wstrict-overflow.
3289         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3290         (tree-ssa-ccp.o): Likewise.
3291         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3292         (fold-const.o): Depend on intl.h.
3293
3294 2007-02-13  Ian Lance Taylor  <iant@google.com>
3295
3296         PR middle-end/30751
3297         * lower-subreg.c (resolve_simple_move): Decompose subregs in
3298         addresses.
3299
3300 2007-02-13  Stuart Hastings  <stuart@apple.com>
3301
3302         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3303
3304 2007-02-13  Richard Henderson  <rth@redhat.com>
3305
3306         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3307         handled_component_p before looking for the indirect_ref.
3308
3309 2007-02-13  Richard Henderson  <rth@redhat.com>
3310
3311         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3312         remove flags clobber.
3313         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3314         (bswaphi_lowpart): New.
3315         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3316         remove TARGET_BSWAP test.  Delete expander of the same name.
3317
3318         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3319         (expand_unop): Use them.
3320
3321 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
3322
3323         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3324         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3325         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3326         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3327         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3328         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3329         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3330         assembler dialect choice from asm templates.
3331
3332 2007-02-12  Richard Henderson  <rth@redhat.com>
3333
3334         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3335         (fixuns_trunc<SSEMODEF>si2): Use it.
3336         * config/i386/sse.md (vec_setv4sf_0): Export.
3337         * config/i386/i386.c (ix86_build_const_vector): Export.
3338         (ix86_split_convert_uns_si_sse): Rename from
3339         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3340         * config/i386/i386-protos.h: Update.
3341
3342 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3343
3344         PR c/29521
3345         * c-typeck.c (c_finish_return): Improve warning message.
3346
3347 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3348
3349         * alias.c (find_symbolic_term): Delete unused function.
3350
3351 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
3352
3353         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3354         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3355         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3356
3357 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3358
3359         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3360         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3361         the function, temporarily point the debug interface to the null one.
3362
3363 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3364
3365         * dwarf2out.c (round_up_to_align): New static function.
3366         (field_byte_offset): Use it to round the offset.
3367
3368 2007-02-12  Richard Henderson  <rth@redhat.com>
3369
3370         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3371         (inswl_const): Export.
3372
3373 2007-02-12  Richard Henderson  <rth@redhat.com>
3374
3375         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3376         result mode of the libcall, convert back to outmode.
3377
3378 2007-02-12  Roger Sayle  <roger@eyesopen.com>
3379
3380         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3381         (bswapdi2): New define_expand to implement 32-bit implementation.
3382
3383 2007-02-12  Nick Clifton  <nickc@redhat.com>
3384
3385         * doc/invoke.texi (Overall Options): Document --help=.
3386         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3387         (cc1_options): Pass --help= on to cc1.
3388         (display_help): Add description of --help=.
3389         (process_command): Add code to handle --help=.  Allow translated
3390         --help and --target-help switches to be passed on to compiler
3391         sub-process.
3392         (main): Remove unused if statement.
3393         * opts.c (columns): Remove.
3394         (LEFT_COLUMN): Define.
3395         (wrap_help): Add columns argument.
3396         (print_filtered_help): Change parameters to be an include bitmask,
3397         an exclude bitmask, an any bitmask and the column width.  Move the
3398         code to display the params list here.  Add code to display the
3399         status of options rather than their descriptions if the quiet flag
3400         is not active.
3401         (print_specific_help): Change parameters to be an include bitmask,
3402         an exclude bitmask and an any bitmask.  Move code to look up the
3403         column width here.  Decide upon the title for an options listing.
3404         (common_handle_options): Add code to handle --help=.  Adapt code
3405         for --help and --target-help to use the revised form of the
3406         print_specific_help function.
3407         (print_help): Delete.
3408         (print_param_help): Delete.
3409         (print_switch): Delete.
3410         * opts.h (cl_lang_count): Add prototype.
3411         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3412         CL_MAX_OPTION_CLASS): New defines.
3413         * optc-gen.awk: Add construction of cl_lang_count.
3414         * c.opt: Add Warning attribute to warning options and Optimization
3415         attribute to optimization options.
3416         * common.opt: Likewise.
3417         Add --help=.
3418         Add -fhelp and -ftarget-help as aliases for the transformed --help
3419         and --target-help options.
3420         * opt-functions.awk: Add code to handle Warning and Optimization
3421         attributes.
3422
3423 2007-02-12  Richard Henderson  <rth@redhat.com>
3424
3425         * config/alpha/constraints.md: New file.
3426         * config/alpha/alpha.c: Include tm-constrs.h.
3427         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3428         alpha_extra_constraint): Remove.
3429         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3430         * config/alpha/alpha-protos.h: Update.
3431         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3432         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3433         (EXTRA_CONSTRAINT): Remove.
3434         * config/alpha/alpha.md: Include constraints.md.
3435         (adddi splitter): Use satisfies_constraint_*.
3436         * config/alpha/predicates.md (add_operand): Likewise.
3437         (sext_add_operand, addition_operation): Likewise.
3438
3439 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
3440
3441         PR tree-optimization/29145
3442         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3443         in our handling of restrict qualified pointers.
3444
3445 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3446
3447         PR middle-end/7651
3448         * doc/invoke.texi (Wunused-value): Update description.
3449         (Wextra): Delete item.
3450         * opts.c (set_Wextra): Don't use the value of Wextra to set the
3451         value of Wunused-value.
3452         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3453         (c_finish_stmt_expr): Don't check extra_warnings.
3454         (emit_side_effect_warnings): The caller is responsible to check
3455         warn_unused_value.
3456
3457 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3458             Matt Thomas  <matt@3am-software.com>
3459
3460         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3461
3462 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3463
3464         * simplify-rtx.c (simplify_relational_operation_1): Optimize
3465         comparisons of POPCOUNT against zero.
3466         (simplify_const_relational_operation): Likewise.
3467
3468 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3469
3470         * doc/invoke.texi (Wextra): Delete outdated paragraph.
3471
3472 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3473
3474         * dwarf2out.c (root_type): Delete unused function.
3475
3476 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3477
3478         * genattrtab.c (contained_in_p): Delete unused function.
3479         (write_expr_attr_cache): Likewise.
3480
3481 2007-02-11  Jan Hubicka  <jh@suse.cz>
3482
3483         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3484         previous patch.
3485
3486 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
3487
3488         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3489         to add the REG_EQ* note.
3490         * see.c (see_merge_one_use_extension): Likewise.
3491         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
3492         turn REG_EQUAL notes into REG_EQUIV notes if the target
3493         register may have more than one set.
3494         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3495         * gcse.c (try_replace_reg): Likewise.
3496         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3497         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
3498         more than one REG_EQUIV note.
3499         * reload1.c (gen_reload): Use set_unique_reg_note.
3500
3501 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
3502
3503         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3504         (ix86_builtin_conversion): New function.
3505
3506 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
3507
3508         PR target/29487
3509         * tree.h (DECL_REPLACEABLE_P): New macro.
3510         * except.c (set_nothrow_function_flags): Likewise.
3511
3512 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
3513             Ira Rosen  <irar@il.ibm.com>
3514             Dorit Nuzman  <dorit@il.ibm.com>
3515
3516         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
3517         * targhooks.c (default_builtin_vectorized_conversion): New.
3518         * targhooks.h (default_builtin_vectorized_function): New declaration.
3519         * target.h (struct vectorize): Add builtin_conversion field.
3520         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
3521         stmt_vec_info_type value.
3522         (vectorizable_conversion): New declaration.
3523         * tree-vect-analyze.c (vect_analyze_operations): Add
3524         vectorizable_conversion call.
3525         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
3526         * tree-vect-transform.c (vectorizable_conversion): New function.
3527         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
3528         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3529         mode.
3530         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
3531         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
3532         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
3533         or ALTIVEC_BUILTIN_VCFSX.
3534
3535 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3536
3537         PR target/30634
3538         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
3539         CONST_DOUBLE and operand 0 is a hard register.
3540         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
3541         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
3542         is a hard floating-point register.
3543
3544 2007-02-10  Richard Henderson  <rth@redhat.com>
3545             Jakub Jelinek  <jakub@redhat.com>
3546             Alexandre Oliva  <aoliva@redhat.com>
3547
3548         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
3549         * builtin-types.def (BT_WORD): Make unsigned.
3550         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3551         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3552         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3553         * c-decl.c (grokdeclarator): Don't error if !have_tls.
3554         * c-parser.c (c_parser_omp_threadprivate): Likewise.
3555         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3556         emulated tls.
3557         * expr.c (emutls_var_address): New.
3558         (expand_expr_real_1): Expand emulated tls.
3559         (expand_expr_addr_expr_1): Likewise.
3560         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3561         * output.h (emutls_finish): Declare.
3562         * toplev.c (compile_file): Call it.
3563         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3564         address before wrapping in CONST.
3565         * varasm.c (emutls_htab, emutls_object_type): New.
3566         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3567         (get_emutls_object_name, get_emutls_object_type): New.
3568         (get_emutls_init_templ_addr, emutls_decl): New.
3569         (emutls_common_1, emutls_finish): New.
3570         (assemble_variable): When emulating tls, swap decls; generate
3571         constructor for the emutls objects.
3572         (do_assemble_alias): When emulating tls, swap decl and target name.
3573         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3574         for emulated tls.
3575         * varpool.c (decide_is_variable_needed): Look at force_output.
3576         Recurse for emulated tls.
3577         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
3578         with decide_is_variable_needed.
3579         * emutls.c: New file.
3580         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3581         tls_object for real tls.
3582
3583 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3584
3585         PR rtl-optimization/29599
3586         * reload1.c (eliminate_regs_in_insn): Take the destination
3587         mode into account when computing the offset.
3588
3589 2007-02-09  Stuart Hastings  <stuart@apple.com>
3590             Richard Henderson  <rth@redhat.com>
3591
3592         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3593         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3594         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
3595         fixuns_truncdfhi2): New.
3596         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
3597         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
3598         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
3599         (floatunssidf2): Allow nonimmediate source.
3600         * gcc/config/i386/sse.md (movdi_to_sse): New.
3601         (vec_concatv2di): Drop '*'.
3602         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
3603         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3604         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
3605         New.
3606         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
3607         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3608         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
3609         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
3610         (ix86_build_signbit_mask): Fix decl of v, refactor to call
3611         ix86_build_const_vector.
3612         (x86_emit_floatuns): Rewrite.
3613
3614 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3615
3616         * genautomata.c (longest_path_length): Delete unused function.
3617         (struct state): Delete unused longest_path_length.
3618         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
3619         (get_free_state): Delete unused.
3620
3621 2007-02-09  Jan Hubicka  <jh@suse.cz>
3622
3623         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
3624         * doc/invoke.texi (inline-unit-growth): Update default value.
3625
3626         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
3627         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3628         (rebuild_cgraph_edges): Likewise.
3629         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3630         (dump_cgraph_node): Dump frequencies.
3631         (cgraph_clone_edge): Add frequency scales.
3632         (cgraph_clone_node): Add freuqnecy.
3633         * cgraph.h (cgraph_edge): Add freuqnecy argument.
3634         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3635         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3636         * tree-pass.h (TODO_rebuild_frequencies): New constant.
3637         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3638         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3639         (save_inline_function_body): Likewise.
3640         * ipa-inline.c: inluce rtl.h
3641         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3642         (cgraph_edge_badness): Use frequencies.
3643         (cgraph_decide_recursive_inlining): Update clonning.
3644         (cgraph_decide_inlining_of_small_function): Dump frequency.
3645         * predict.c (estimate_bb_frequencies): Export.
3646         * predict.h (estimate_bb_frequencies): Declare.
3647         * tree-inline.c (copy_bb): Watch overflows.
3648         (expand_call_inline): Update call of cgraph_create_edge.
3649         (optimize_inline_calls): Use TODO flags to update frequnecies.
3650         * passes.h: Include predict.h
3651         (init_optimization_passes): Move profile ahead.
3652         (execute_function_todo): Handle TODO_rebuild_frequencies.
3653
3654 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3655
3656         * config/alpha/alpha.c (emit_insxl): Force the first operand of
3657         the insbl or inswl pattern into a register.
3658
3659 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3660
3661         * config/ia64/ia64.md (bswapdi2): New define_insn.
3662
3663 2007-02-09  Richard Henderson  <rth@redhat.com>
3664
3665         * config/i386/constraints.md (Ym): New constraint.
3666         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3667         (movdi_1_rex64): Split sse and xmm general register moves from
3668         memory move alternatives.  Use conditional register constraints.
3669         (movsf_1, movdf_integer): Likewise.
3670         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3671         (movdf_integer_rex64): New.
3672         (pushsf_rex64): Fix output constraints.
3673         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3674         (sse2_stored): Likewise.
3675         (sse2_storeq_rex64): New.
3676         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3677         amd and not generic.
3678         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3679         for optimize_size.  Remove SF/DFmode hack.
3680
3681 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3682
3683         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3684         (bit_SSE4a): New.
3685
3686 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3687             Richard Sandiford  <richard@codesourcery.com>
3688
3689         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3690         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3691         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3692         m68k/t-mlib to tmake_file.
3693         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
3694         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3695         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3696         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
3697         variable is not empty, add t-$m68k_arch_family to tmake_file.
3698         Add t-mlibs to tmake_file.
3699         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3700         * config/m68k/t-cf: New file.
3701         * config/m68k/t-m68k: Likewise.
3702         * config/m68k/t-mlibs: Likewise.
3703         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3704         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3705         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3706         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3707         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3708         Delete.
3709         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3710         (INSTALL_LIBGCC): Delete.
3711         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3712         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3713         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3714         (M68K_MLIB_CPU): Define.
3715         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3716         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3717         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3718
3719 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3720             Richard Guenther  <rguenther@suse.de>
3721
3722         PR middle-end/23361
3723         * fold-const.c (fold_comparison): Handle obfuscated comparisons
3724         against INT_MIN/INT_MAX.
3725         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3726         file if a loop is removed.
3727
3728 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
3729
3730         * calls.c (store_one_arg): Pass correct alignment to
3731         emit_push_insn for non-BLKmode values.
3732         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3733         unaligned stack slot via a suitably aligned slot.
3734
3735 2007-02-08  DJ Delorie  <dj@redhat.com>
3736
3737         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3738         warnings.
3739         (legal_subregs): Use unsigned char, make const.
3740         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
3741
3742 2007-02-08  Paul Brook  <paul@codesourcery.com>
3743
3744         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3745         special interworking needed.
3746
3747 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
3748
3749         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3750         conditional to __SSE2__.
3751         (Entries below should have been added to first ChangeLog
3752         entry for amdfam10 dated 2007-02-05)
3753         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3754         defined.
3755         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3756         defined.
3757         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3758         defined.
3759
3760 2007-02-08  DJ Delorie  <dj@redhat.com>
3761
3762         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3763         * config/m32c/m32c.c (legal_subregs): New.
3764         (m32c_illegal_subreg_p): New.
3765         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3766         unsupported subregs of hard regs.
3767
3768 2007-02-08  Jan Hubicka  <jh@suse.cz>
3769
3770         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3771         the same one; always update histograms.
3772
3773 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3774
3775         * passes.c (init_optimization_passes): Tidy comment.
3776
3777 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3778
3779         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3780         strip zero_extend, bswap and rotates from POCOUNT's argument.
3781         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3782         zero_extend and rotates from PARITY's argument.
3783         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3784         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3785         of an integer constant at compile-time.
3786
3787 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3788
3789         PR 30562
3790         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3791         Update all users.
3792         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3793         users.
3794         (init_alias_info):
3795         * tree-ssa-live.c (remove_unused_locals): Do not remove
3796         TREE_ADDRESSABLE variables.
3797         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3798         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3799         FOR_CLOBBER.  Update all users.
3800         If VAR has an associated alias set, add a virtual operand for
3801         it if no alias is found to conflict with the memory reference.
3802
3803 2007-02-07  Jan Hubicka  <jh@suse.cz>
3804             Robert Kidd <rkidd@crhc.uiuc.edu>
3805
3806         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3807
3808 2007-02-07  Ian Lance Taylor  <iant@google.com>
3809
3810         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3811
3812 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3813
3814         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3815         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3816         tablejumpdi, movsi_to_cr_one): Remove constraints from
3817         define_expand's match_operands.
3818
3819 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3820
3821         * global.c (compute_regsets): Move declatation of "i" inside of
3822         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3823
3824 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3825
3826         PR c++/30703
3827         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3828         of INDIRECT_REF <RESULT_DECL>.
3829
3830         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3831
3832 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3833             Kaz Kojima  <kkojima@gcc.gnu.org>
3834
3835         PR target/29746
3836         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3837         properly.
3838         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3839
3840 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3841
3842         * doc/loop.texi: Document possibility not to perform disambiguation
3843         of loops with multiple latches.
3844         * cfgloopmanip.c (alp_enum_p): Removed.
3845         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3846         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3847         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3848         the new forwarder block.
3849         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3850         Handle the case latch is NULL.
3851         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3852         when marking loop exits.
3853         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3854         be modified.
3855         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3856         disambiguate_loops_with_multiple_latches.
3857         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3858         before fix_loop_structure.
3859         * cfgloop.c: Include pointer-set.h and output.h.
3860         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3861         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3862         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3863         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3864         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3865         disambiguate_multiple_latches, get_loop_body_with_size,
3866         disambiguate_loops_with_multiple_latches): New functions.
3867         (flow_loop_dump): Dump multiple latch edges.
3868         (flow_loop_nodes_find): Handle loops with multiple latches.
3869         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3870         (glb_enum_p): Modified.
3871         (get_loop_body): Use get_loop_body_with_size.
3872         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3873         (AVOID_CFG_MODIFICATIONS): New constant.
3874         (disambiguate_loops_with_multiple_latches, add_loop,
3875         get_loop_body_with_size): Declare.
3876         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3877
3878 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3879
3880         PR inline-asm/28686
3881         * global.c (compute_regsets): New function.
3882         (global_alloc): Refactored ELIMINABLE_REGSET
3883         and NO_GLOBAL_ALLOC_REGS computation out.
3884         (rest_of_handle_global_alloc): Call compute_regsets()
3885         for non-optimizing case.
3886
3887 2007-02-06  Richard Henderson  <rth@redhat.com>
3888
3889         * config/i386/constraints.md (Y2): Rename from Y.
3890         (Yi): New constraint.
3891         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3892         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3893         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3894         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3895         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3896         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3897         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3898         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3899         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3900         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3901         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3902         vec_extractv2si_1): Change Y constraints to Y2.
3903         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3904         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3905         Change Y constraints to Y2.
3906         (sse2_loadld): Change Y constraints to x.
3907
3908 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3909
3910         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3911         (parity<mode>2): New define_expand using rs6000_emit_parity.
3912         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3913         rs6000_emit_parity): New functions.
3914         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3915         rs6000_emit_parity): Prototype here.
3916
3917 2007-02-06  Ian Lance Taylor  <iant@google.com>
3918
3919         * lower-subreg.c (simple_move_operand): Reject CONST.
3920         (resolve_clobber): Call validate_change rather than directly
3921         assigning to XEXP (pat, 0).
3922
3923 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3924
3925         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3926         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3927         (tree-cfg.o): Remove hashtab.h dependency.
3928
3929         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3930         (struct ivopts_data): Change niters to pointer_map_t.
3931         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3932         (niter_for_exit): Create pointer_map on demand.  Change for
3933         pointer_map API.
3934         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3935         (free_loop_data): Destroy data->niters if created and reset field.
3936         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3937         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3938
3939         * tree-ssa-reassoc.c: Include pointer-set.h.
3940         (bb_rank): Change to long *.
3941         (operand_rank): Change to pointer_map_t.
3942         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3943         (insert_operand_rank): Accept long.
3944         (operand_entry_hash, operand_entry_eq): Remove.
3945         (get_rank): Return long.  Adjust for changes above.
3946         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3947         and operand_rank.
3948         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3949
3950         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3951         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3952         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3953         is not NULL.
3954         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3955         directly since it cannot be NULL.
3956         (get_vi_for_tree): Rewrite for pointer_map API.
3957         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3958         (init_alias_vars): Create vi_for_tree as pointer_map.
3959         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3960
3961         * tree-cfg.c: Don't include hashtab.h.
3962         (edge_to_cases): Declare as pointer_map.
3963         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3964         Delete.
3965         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3966         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3967         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3968         destroying it.
3969         (record_switch_edge): Delete.
3970         (get_cases_for_edge): Adjust for pointer_map API, inline
3971         record_switch_edge (rewritten for new API), remove goto.
3972
3973 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3974
3975         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3976         * tree-nested.c: Include pointer-set.h.
3977         (var_map_elt, var_map_eq, var_map_hash): Delete.
3978         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3979         to pointer_map_t's.
3980         (nesting_info_bitmap_obstack): New.
3981         (lookup_field_for_decl): Adjust for pointer_map API.
3982         (lookup_tramp_for_decl): Adjust for pointer_map API.
3983         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3984         (get_local_debug_decl): Adjust for pointer_map API.
3985         (convert_nl_goto_reference): Adjust for pointer_map API.
3986         (convert_nl_goto_receiver): Adjust for pointer_map API.
3987         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3988         the new obstack.  Create field_map and var_map as pointer_maps.
3989         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3990         (root): Delete.
3991         (lower_nested_functions): Move root here, no need to NULL it.
3992         Initialize and release the obstack.
3993
3994 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3995
3996         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3997         Remove prototypes and make them non-static.
3998         (struct tree_int_map): Remove.
3999         * tree.h (struct tree_int_map): Move here, turning TO into an
4000         unsigned int.
4001         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4002
4003         * tree.h (TREE_COMPLEXITY): Remove.
4004         (struct tree_exp): Remove complexity field.
4005         * tree.c (build1_stat): Don't set it.
4006
4007 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
4008             Victor Kaplansky  <victork@il.ibm.com>
4009
4010         * tree-vectorizer.c (vect_is_simple_use): Support induction.
4011         (vect_is_simple_reduction): Support reduction with induction as
4012         one of the operands.
4013         (vect_is_simple_iv_evolution): Fix formatting.
4014         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4015         formatting.  Don't mark induction phis for vectorization.
4016         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4017         * tree-vect-transform.c (get_initial_def_for_induction): New function.
4018         (vect_get_vec_def_for_operand): Support induction.
4019         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4020         induction case.
4021         (vectorizable_reduction): Support reduction with induction as one of
4022         the operands.
4023         (vectorizable_type_demotion): Use def-type of stmt argument rather
4024         than dummy def-type.
4025
4026         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4027         flag_tree_scev_cprop.
4028         * common.opt (tree-scev-cprop): New flag.
4029
4030         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4031         call to vect_get_new_vect_var.
4032
4033 2007-02-06  Ira Rosen  <irar@il.ibm.com>
4034
4035         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4036         vectype is not NULL.
4037         (vect_pattern_recog_1): Likewise.
4038
4039 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4040
4041         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4042         (fold_negate_expr): Likewise.
4043
4044 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
4045
4046         PR debug/30189
4047         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4048         even if cv-qualification is the same.
4049
4050 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
4051
4052         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4053         __enable_execute_stack on completion.
4054
4055 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4056
4057         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4058         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4059         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4060         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4061         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4062         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4063         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4064         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4065
4066 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4067
4068         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4069         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4070         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4071         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4072         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4073         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4074         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4075         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4076         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4077         umuldi3_highpart_rex64, umulsi3_highpart_insn,
4078         umulsi3_highpart_zext, smuldi3_highpart_rex64,
4079         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4080         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4081         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4082         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4083         sqrtextenddfxf2_i387): Added amdfam10_decode.
4084
4085         * config/i386/athlon.md (athlon_idirect_amdfam10,
4086         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4087         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4088         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4089         athlon_ivector_store_amdfam10): New define_insn_reservation.
4090         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4091         amdfam10.
4092
4093 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4094
4095         * config/i386/athlon.md (athlon_call_amdfam10,
4096         athlon_pop_amdfam10, athlon_lea_amdfam10): New
4097         define_insn_reservation.
4098         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4099         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4100         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4101
4102 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4103
4104         * config/i386/athlon.md (athlon_sseld_amdfam10,
4105         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4106         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4107
4108 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4109
4110         * config/i386/athlon.md (athlon_sseins_amdfam10): New
4111         define_insn_reservation.
4112         * config/i386/i386.md (sseins): Added sseins to define_attr type
4113         and define_attr unit.
4114         * config/i386/sse.md: Set type attribute to sseins for insertq
4115         and insertqi.
4116
4117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4118
4119         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4120         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4121         ssecomi_load_amdfam10, ssecomi_amdfam10,
4122         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4123         define_insn_reservation.
4124         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4125
4126 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4127
4128         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4129         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4130         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4131         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4132         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4133         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4134         define_insn_reservation.
4135
4136         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4137         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4138         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4139         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4140         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4141
4142 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4143
4144         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4145         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4146         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4147         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4148         athlon_ssemul_load_k8): Added amdfam10.
4149
4150 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4151
4152         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4153         (x86_sse_unaligned_move_optimal): New variable.
4154
4155         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4156         m_AMDFAM10.
4157         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4158         for unaligned vector SSE double/single precision loads for AMDFAM10.
4159
4160 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4161
4162         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4163         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4164         Define TARGET_CPU_DEFAULT_amdfam10.
4165         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4166         (processor_type): Add PROCESSOR_AMDFAM10.
4167
4168         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4169         processor_type in config/i386/i386.h.
4170         Enable imul peepholes for TARGET_AMDFAM10.
4171
4172         * config.gcc: Add support for --with-cpu option for amdfam10.
4173
4174         * config/i386/i386.c (amdfam10_cost): New variable.
4175         (m_AMDFAM10): New macro.
4176         (m_ATHLON_K8_AMDFAM10): New macro.
4177         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4178         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4179         x86_promote_QImode, x86_integer_DFmode_moves,
4180         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4181         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4182         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4183         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4184         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4185         Enable/disable for amdfam10.
4186         (override_options): Add amdfam10_cost to processor_target_table.
4187         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4188         processor_alias_table.
4189         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4190         (ix86_adjust_cost): Add code for amdfam10.
4191
4192 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4193
4194         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4195         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4196         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4197         * config/i386/i386.h: Add builtin definition for SSE4A.
4198         * config/i386/i386.md: Add support for ABM instructions
4199         (popcnt and lzcnt).
4200         * config/i386/sse.md: Add support for SSE4A instructions
4201         (movntss, movntsd, extrq, insertq).
4202         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4203         Add -march=amdfam10 flag.
4204         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4205         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4206         and amdfam10.
4207         * doc/extend.texi: Add documentation for SSE4A builtins.
4208
4209 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
4210
4211         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4212
4213 2007-02-05  Richard Guenther  <rguenther@suse.de>
4214
4215         * tree-vectorizer.h (vectorizable_function): Add argument type
4216         argument, change return type.
4217         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4218         * tree-vect-transform.c (vectorizable_function): Handle extra
4219         argument, return vectorized function decl.
4220         (build_vectorized_function_call): Remove.
4221         (vectorizable_call): Handle calls with result and argument types
4222         differing.  Handle loop vectorization factor correctly.
4223         * targhooks.c (default_builtin_vectorized_function): Adjust for
4224         extra argument.
4225         * targhooks.h (default_builtin_vectorized_function): Likewise.
4226         * target.h (builtin_vectorized_function): Add argument type
4227         argument.
4228         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4229         extra argument, allow vectorizing of lrintf.
4230         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4231         documentation of target hook.
4232
4233 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
4234
4235         PR target/30665
4236         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4237         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4238         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4239
4240 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4241
4242         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4243         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4244         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4245         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4246         before canonicalizing sincos to cexpi.
4247         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4248
4249 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4250
4251         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4252         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4253         (alpha_init_builtins): Use alpha_add_builtins to process tables.
4254
4255 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4256
4257         * mips-tfile.c (initialize_init_file): Correct endianness test.
4258
4259 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
4260
4261         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4262         the 'y' constraint.
4263
4264 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
4265
4266         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4267         saves in a PARALLEL before the register assignments.
4268
4269 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
4270
4271         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4272         DWARF_FRAME_RETURN_COLUMN to be a general register.
4273         * dwarf2out.c (init_return_column_size): New function, split from...
4274         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
4275         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4276         to be nongeneral registers.
4277         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4278         integer registers.
4279         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4280         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4281
4282 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
4283
4284         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4285
4286 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
4287
4288         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4289         (remove_path): Use can_remove_branch_p and remove_branch instead
4290         of loop_delete_branch_edge.
4291         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4292         (tree_transform_and_unroll_loop): Remove dead branches immediately.
4293         Update profile using scale_dominated_blocks_in_loop.
4294         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4295         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4296         (can_remove_branch_p, remove_branch): Declare.
4297         * tree-cfg.c (tree_can_remove_branch_p): New function.
4298         (tree_cfg_hooks): Add tree_can_remove_branch_p.
4299         * cfgrtl.c (rtl_can_remove_branch_p): New function.
4300         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4301
4302 2007-02-05  Jan Hubicka  <jh@suse.cz>
4303
4304         PR middle-end/30696
4305         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4306         nodes in cgraph, don't remove offline copy of the function.
4307
4308 2007-02-04  Jan Hubicka  <jh@suse.cz>
4309
4310         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4311         vectors might cause maybe_lookup_element_for_expr to be called
4312         on non-sra-candidate.
4313
4314 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4315
4316         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4317         config/bfin/bfin.md, config/bfin/predicates.md: Follow
4318         spelling conventions.
4319
4320 2007-02-04  Richard Guenther  <rguenther@suse.de>
4321
4322         PR middle-end/30636
4323         * fold-const.c (try_move_mult_to_index): Make sure to not
4324         overflow one dimension of a multi-dimensional array access.
4325
4326 2007-02-04  Jan Hubicka  <jh@suse.cz>
4327
4328         * passes.c (init_optimization_passes): Reindent.
4329
4330 2007-02-04  Jan Hubicka  <jh@suse.cz>
4331             Eric Botcazou  <ebotcazou@adacore.com>
4332
4333         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4334         (execute_fixup_cfg): Break out the abnormal goto code.
4335         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4336         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4337         (optimize_inline_calls): Call make_nonlocal_label_edges.
4338
4339 2007-02-04  Jan Hubicka  <jh@suse.cz>
4340
4341         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4342         true when something was changed.
4343         (rename_ssa_copies): When something was changed, do
4344         TODO_remove_unused_locals.
4345         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4346         add TODO_remove_unused_locals when instruction was removed.
4347
4348 2007-02-04  Jan Hubicka  <jh@suse.cz>
4349
4350         * ipa-inline.c (try_inline): Improve debug output; work on already
4351         inline edges too.
4352         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4353         call try_inline for already inlined edges too when flattening;
4354         inline also functions that make callee growth but overall unit size
4355         reduce.
4356
4357 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4358
4359         * config/m32c/bitops.md, config/m32c/jump.md,
4360         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4361         config/m32r/m32r.h, config/m32r/m32r.md,
4362         config/m32r/predicates.md, config/m68hc11/larith.asm,
4363         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4364         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4365         config/mips/mips-protos.h, config/mips/mips.c,
4366         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4367         config/mn10300/mn10300.h, config/mn10300/predicates.md,
4368         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4369         spelling conventions.
4370
4371         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4372         Follow spelling conventions.
4373
4374 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
4375
4376         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4377         warn about C++0x compatibility.
4378
4379 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4380
4381         * config/h8300/h8300.c, config/h8300/h8300.h,
4382         config/h8300/h8300.md: Follow spelling conventions.
4383
4384 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
4385
4386         PR middle-end/30667
4387         * combine.c (try_combine): Do not substitute source operand
4388         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4389
4390 2007-02-03  Jan Hubicka  <jh@suse.cz>
4391
4392         PR gcov-profile/30650
4393         * value-prof.c (stringop_block_profile): Fix handling of size counter;
4394         do not divide by zero for never executed counters.
4395         (tree_find_values_to_profile): Fix counters.
4396         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4397
4398 2007-02-03  Ian Lance Taylor  <iant@google.com>
4399
4400         * lower-subreg.c (simple_move_operand): New static function,
4401         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
4402         operands.
4403         (simple_move): Call simple_move_operand.
4404         (find_decomposable_subregs): Add special handling of MEMs.
4405         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
4406         meaning of return value.  If we see a hard register, test whether
4407         it can store a word_mode value.  Change all callers.
4408
4409 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4410
4411         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4412         ftrapv insns and expanders.
4413         (subdi3): Change define_expand operand 1 to arith11_operand, and
4414         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
4415         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
4416         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4417         respectively.
4418
4419         PR middle-end/30174
4420         * varasm.c (notice_global_symbol): Treat global objects as weak when
4421         flag_shlib is true.
4422
4423 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4424
4425         * emit-rtl.c (dconstpi): Delete.
4426         (dconstsqrt2): New.
4427         (init_emit_once): Delete dconstpi and init dconstsqrt2.
4428         * real.h (dconstpi): Delete.
4429         (dconstsqrt2): New.
4430         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4431         (fold_builtin_hypot): Likewise.
4432
4433 2007-02-03  Tom Tromey  <tromey@redhat.com>
4434
4435         PR driver/30246
4436         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4437         -gcoff3, -gxcoff3, -gvms3 implies -dD.
4438
4439 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
4440
4441         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4442         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4443         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4444         config/rs6000/cell.md, config/rs6000/darwin.h,
4445         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4446         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
4447         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
4448         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
4449         typos.  Follow spelling conventions.
4450         * doc/invoke.texi: Follow spelling conventions.
4451
4452 2007-02-03  Roger Sayle  <roger@eyesopen.com>
4453
4454         * simplify-rtx.c (simplify_relational_operation_1): Implement some
4455         canonicalization transformations that attempt to simplify integer
4456         constant comparisons to become comparisons against zero.
4457
4458 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4459
4460         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
4461         fabs(x)*sqrt(2).
4462         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
4463         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
4464
4465 2007-02-02  Mike Stump  <mrs@apple.com>
4466
4467         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
4468         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
4469         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
4470         generate a branch island.
4471
4472 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
4473
4474         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
4475         (xtensa_legitimate_address_p): New.
4476         (xtensa_legitimize_address): New.
4477         (xtensa_output_addr_const_extra): New.
4478         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
4479         (BASE_REG_P): New.
4480         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
4481         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
4482         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
4483         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
4484         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
4485         (xtensa_legitimize_address): New.
4486         (xtensa_output_addr_const_extra): New.
4487
4488 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
4489
4490         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
4491
4492 2007-02-02  Ian Lance Taylor  <iant@google.com>
4493
4494         * expmed.c (expand_divmod): Add comment.
4495
4496 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
4497
4498         * emit-rtl.c (renumber_insns): Remove.
4499         * flags.h: Remove the extern for flag_renumber_insns.
4500         * rtl.h: Remove the prototype for renumber_insns.
4501         * toplev.c (flag_renumber_insns): Remove.
4502
4503 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
4504
4505         Revert for x86 darwin:
4506         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
4507
4508         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
4509         code before the following patch under TARGET_MACHO.
4510         (ix86_function_value_regno_p): Likewise.
4511
4512 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4513
4514         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
4515         COMPLEX_EXPR.
4516
4517 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4518
4519         PR target/29682
4520         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
4521         general or fp registers.  Add comments.
4522         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
4523
4524 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
4525
4526         * pointer-set.c (insert_aux): Only return insertion slot.
4527         (pointer_set_insert): Adjust.
4528         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
4529         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
4530         pointer_map_traverse): New.
4531         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
4532         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
4533         pointer_map_contains, pointer_map_traverse): Declare.
4534
4535 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
4536
4537         PR middle-end/30473
4538         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
4539         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
4540
4541 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4542
4543         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
4544
4545         (struct _dep): New type.
4546         (dep_t): New typedef.
4547         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
4548         (DEP_STATUS): New access macro.  The macro with the same name was
4549         renamed to DEP_LINK_STATUS.
4550         (dep_init): Declare function
4551
4552         (struct _dep_link): New type.
4553         (dep_link_t): New typedef.
4554         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
4555         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
4556         (DEP_LINK_STATUS): New macro.
4557         (debug_dep_links): New debug function.
4558
4559         (struct _deps_list): New type.
4560         (deps_list_t): New typedef.
4561         (DEPS_LIST_FIRST): New access macro.
4562         (FOR_EACH_DEP_LINK): New cycle macro.
4563         (create_deps_list, free_deps_list, delete_deps_list): Declare
4564         functions.
4565         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
4566         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
4567         (copy_deps_list_change_con): Ditto.
4568
4569         (move_dep_link): Declare function.
4570
4571         (struct _dep_node): New type.
4572         (dep_node_t): New typedef.
4573         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
4574
4575         (struct haifa_insn_data.back_deps): New field to hold backward
4576         dependencies of the insn.
4577         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
4578         to deps_list_t.
4579         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
4580         Change its type to deps_list_t.
4581         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
4582         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
4583         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
4584
4585         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
4586
4587         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
4588
4589         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
4590         all callers.
4591         (dep_cost): Declare.
4592
4593         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
4594         (ds_to_dk, dk_to_ds): New functions.
4595
4596         (init_dep_1): New static function.
4597         (init_dep): New function.
4598         (copy_dep): New static function.
4599
4600         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
4601         functions.
4602         (detach_dep_link): New static function.
4603         (move_dep_link): New function.
4604
4605         (dep_links_consistent_p, dump_dep_links): New static functions.
4606         (debug_dep_links): New debugging function.
4607
4608         (deps_obstack, dl_obstack, dn_obstack): New static variables.
4609
4610         (alloc_deps_list, init_deps_list): New static functions.
4611         (create_deps_list): New function.
4612         (clear_deps_list): New static function.
4613         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
4614         (deps_list_consistent_p, dump_deps_list): New static functions.
4615         (debug_deps_list): New function.
4616         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
4617         functions.
4618         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
4619
4620         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
4621         use new scheduler dependencies lists.
4622         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
4623         (sched_analyze): Ditto.  Initialize dependencies lists.
4624         (add_forw_dep, compute_forward_dependences): Update to use new
4625         scheduler dependencies lists.
4626
4627         (init_dependency_caches): Init deps_obstack.
4628         (free_dependency_caches): Free deps_obstack.
4629
4630         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
4631         new scheduler dependencies lists.
4632         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
4633         (add_back_forw_dep, delete_back_forw_dep): Ditto.
4634
4635         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
4636         Update to use new scheduler dependencies lists.
4637         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
4638         (debug_dependencies): Ditto.
4639         (schedule_region): Update comments.
4640
4641         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
4642         scheduler dependencies lists.
4643         (schedule_ebb): Update comments.
4644
4645         * rtl.def (DEPS_LIST): Remove.
4646
4647         * lists.c (unused_deps_list): Remove.
4648         (free_list): Update assertions.
4649
4650         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
4651         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4652
4653         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
4654         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4655
4656         * haifa-sched.c (comments): Update.
4657         (insn_cost1): Remove.  Inline the code into insn_cost ().
4658         (insn_cost): Update to use new scheduler dependencies lists.  Move
4659         processing of the dependency cost to dep_cost ().
4660         (dep_cost): New function.  Use it instead of insn_cost () when
4661         evaluating cost of the dependency.  Use compatible interface to
4662         interact with the target.
4663         (priority): Update to use new scheduler dependencies lists.
4664         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
4665         with greater number of insns that depend on the insn.
4666         (schedule_insn): Update to use new scheduler dependencies lists.  Add
4667         code to free backward dependencies lists.  Inline and optimize code
4668         from resolve_dep () - see PR28071.
4669         (ok_for_early_queue_removal): Update to use new scheduler dependencies
4670         lists.  Update call to targetm.sched.is_costly_dependence hook.
4671
4672         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
4673         scheduler dependencies lists.
4674
4675         (resolve_dep): Remove.  Move the logic to schedule_insn ().
4676         (init_h_i_d): Initialize dependencies lists.
4677
4678         (process_insn_depend_be_in_spec): Rename to
4679         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
4680         dependencies lists.
4681         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
4682         Update to use new scheduler dependencies lists.
4683         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
4684
4685         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
4686         new scheduler dependencies lists.
4687         (build_intra_loop_deps): Ditto.
4688
4689         * target.h (struct _dep): Declare to use in
4690         gcc_target.sched.is_costly_dependence.
4691         (struct gcc_target.sched.adjust_cost): Fix typo.
4692         (struct gcc_target.sched.is_costly_dependence): Change signature to use
4693         single dep_t parameter instead of an equivalent triad.
4694         (struct gcc_target.sched.adjust_cost_2): Remove.
4695
4696         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
4697
4698         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
4699
4700         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
4701         documentation.
4702         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
4703
4704         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
4705         (REG_DEP_TRUE): Document.
4706
4707         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
4708         Change signature to correspond to the targetm.sched.adjust_cost hook.
4709         Update use in TARGET_SCHED_ADJUST_COST_2.
4710         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
4711         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
4712         new scheduler dependencies lists.
4713         (ia64_gen_check): Ditto.
4714
4715         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
4716         dependencies lists.
4717
4718         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
4719         signature to correspond to the targetm.sched.is_costly_dependence hook.
4720         (is_costly_group): Update to use new scheduler dependencies lists.
4721
4722         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
4723         instead of INSN_COST () macro.
4724
4725 2007-02-01  Ian Lance Taylor  <iant@google.com>
4726
4727         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
4728
4729 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
4730
4731         * pa.md (tp_load): Correct mfctl instruction syntax.
4732
4733 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
4734
4735         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
4736         altivec_padding_size calculation on AIX.  Improve comment, add
4737         assert to verify that it's right.
4738
4739         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
4740         64-bit.
4741
4742 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
4743
4744         PR inline-asm/28686
4745         * global.c (global_alloc): Add mising initialization of
4746         ELIMINABLE_REGSET.
4747
4748 2007-02-01  Roger Sayle  <roger@eyesopen.com>
4749
4750         * alias.c (init_alias_analysis): Correct whitespace.
4751         * bb-reorder.c (fix_edges_for_rarely_executed_code,
4752         partition_hot_cold_basic_blocks): Likewise.
4753         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
4754         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
4755         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
4756         fold_builtin_snprintf_chk, fold_builtin_printf,
4757         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
4758         do_mpfr_arg3, do_mpfr_sincos): Likewise.
4759         * cfgcleanup.c (cleanup_cfg): Likewise.
4760         * cfgexpand.c (tree_expand_cfg): Likewise.
4761         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
4762         * function.c (get_next_funcdef_no): Likewise.
4763         * gengtype.c (main): Likewise.
4764         * genmodes.c (main): Likewise.
4765         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
4766         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
4767         * ifcvt.c (noce_emit_move_insn): Likewise.
4768         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
4769         Likewise.
4770         * stor-layout.c (get_best_mode): Likewise.
4771         * tree-ssa-loop-niter.c (get_val_for): Likewise.
4772         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
4773         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
4774         perform_var_substitution, solve_graph): Likewise.
4775         * tree-vrp.c (vrp_finalize): Likewise.
4776
4777 2007-02-01  Ian Lance Taylor  <iant@google.com>
4778
4779         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
4780         high part of a paradoxical subreg, return a constant zero.
4781
4782 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
4783
4784         * toplev.c (lang_dependent_init): Call init_set_costs.
4785         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
4786
4787 2007-02-01  Richard Guenther  <rguenther@suse.de>
4788
4789         PR middle-end/30656
4790         * fold-const.c (fold_negate_expr): Allow negating a
4791         constant if overflow does not change.
4792
4793 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4794
4795         * doc/c-tree.texi (Expression trees): Improve markup.
4796         * doc/tm.texi (Register Classes, Addressing Modes)
4797         (Floating Point): Fix spacing after abbreviations.  Fix some
4798         typos.
4799
4800 2007-02-01  Ben Elliston  <bje@au.ibm.com>
4801
4802         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4803         * doc/contrib.texi: Likewise.
4804         * doc/install.texi: Likewise.
4805
4806 2007-01-31  Richard Henderson  <rth@redhat.com>
4807             Ian Lance Taylor  <iant@google.com>
4808
4809         * lower-subreg.c: New file.
4810         * rtl.def (CONCATN): Define.
4811         * passes.c (init_optimization_passes): Add pass_lower_subreg and
4812         pass_lower_subreg2.
4813         * emit-rtl.c (update_reg_offset): New static function, broken out
4814         of gen_rtx_REG_offset.
4815         (gen_rtx_REG_offset): Call update_reg_offset.
4816         (gen_reg_rtx_offset): New function.
4817         * regclass.c: Revert patch of 2006-03-05, restoring
4818         reg_scan_update.
4819         (clear_reg_info_regno): New function.
4820         * dwarf2out.c (concatn_loc_descriptor): New static function.
4821         (loc_descriptor): Handle CONCATN.
4822         * common.opt (fsplit_wide_types): New option.
4823         * opts.c (decode_options): Set flag_split_wide_types when
4824         optimizing.
4825         * timevar.def (TV_LOWER_SUBREG): Define.
4826         * rtl.h (gen_reg_rtx_offset): Declare.
4827         (reg_scan_update): Declare.
4828         * regs.h (clear_reg_info_regno): Declare.
4829         * tree-pass.h (pass_lower_subreg): Declare.
4830         (pass_lower_subreg2): Declare.
4831         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
4832         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
4833         -fsplit-wide-types.
4834         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
4835         * Makefile.in (OBJS-common): Add lower-subreg.o.
4836         (lower-subreg.o): New target.
4837
4838 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4839
4840         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
4841
4842 2007-01-31  Anatoly Sokolov <aesok@post.ru>
4843
4844         PR target/19087
4845         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
4846
4847 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4848
4849         PR middle-end/29335
4850         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
4851
4852 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
4853
4854         * cfgloop.h: Include vec-prim.h.
4855         (enum li_flags): Remove LI_ONLY_OLD.
4856         (loop_iterator): Changed.
4857         (fel_next, fel_init): Iterate over loop tree.
4858         (FOR_EACH_LOOP_BREAK): New macro.
4859         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
4860         FOR_EACH_LOOP.
4861         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
4862         * modulo-sched.c (sms_schedule): Ditto.
4863         * tree-vectorizer.c (vectorize_loops): Ditto.
4864         * doc/loop.texi: Update information on loop numbering and behavior of
4865         FOR_EACH_LOOP wrto new loops.
4866         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4867         add_to_evolution_1): Test nestedness of loops instead of comparing
4868         their numbers.
4869         * tree-chrec.c (chrec_fold_plus_poly_poly,
4870         chrec_fold_multiply_poly_poly, chrec_evaluate,
4871         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
4872         reset_evolution_in_loop): Ditto.
4873         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
4874
4875 2007-01-31  Dirk Mueller  <dmueller@suse.de>
4876
4877         * c-common.c (warn_about_parentheses): Separate warning about
4878         un-parenthized sequence of comparison operators from the one
4879         which is supposed to warn about x <= y <= z.
4880
4881 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
4882
4883         * optabs.h (enum optab_index): Add new OTI_isinf.
4884         (isinf_optab): Define corresponding macro.
4885         * optabs.c (init_optabs): Initialize isinf_optab.
4886         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
4887         patterns.
4888         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
4889         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
4890         using isinf_optab.
4891         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
4892         expand_builtin_interclass_mathfn.
4893         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
4894         * config/i386/i386.md (UNSPEC_FXAM): New constant.
4895         (fxam<mode>2_i387): New insn pattern.
4896         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
4897         built-in functions as x87 inline asm.
4898
4899 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4900
4901         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
4902
4903 2007-01-30  Eric Christopher  <echristo@apple.com>
4904
4905         * config.gcc: Add geode.
4906
4907 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4908
4909         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
4910         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
4911         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
4912         value-prof.c: Fix comment typos.
4913
4914 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4915
4916         PR c++/24745
4917         * doc/invoke.texi (Wpointer-arith): Document warning.
4918
4919 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
4920
4921         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
4922         the list of discrepancies from the draft TR.
4923
4924 2007-01-30  Dirk Mueller  <dmueller@suse.de>
4925
4926         PR c++/30601
4927         * doc/invoke.texi (-Wreturn-type): Update description to
4928         match new behavior.
4929
4930 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
4931
4932         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
4933
4934 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
4935
4936         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
4937         to handle optabs that operate on floating point input argument and
4938         output to integer output.
4939         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
4940         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
4941         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
4942         expand_builtin_interclass_mathfn ().
4943         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
4944         (ilogbsi2): Remove.
4945         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
4946         ilogbl built-in functions as x87 intrinsics.
4947
4948 2007-01-30  Richard Guenther  <rguenther@suse.de>
4949
4950         PR middle-end/27657
4951         * dwarf2out.c (reference_to_unused): Query varpool if the
4952         variable was output.
4953
4954 2007-01-30  Richard Guenther  <rguenther@suse.de>
4955
4956         PR middle-end/30313
4957         * passes.c (execute_one_pass): Reset in_gimple_form to not
4958         confuse non-unit-at-a-time mode.
4959
4960 2007-01-29  Roger Sayle  <roger@eyesopen.com>
4961             Richard Guenther  <rguenther@suse.de>
4962
4963         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
4964         avoid undefined behaviour on overflow.  Use force_fit_type_double
4965         to construct the constant with the specified TREE_OVERFLOW.
4966
4967 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4968
4969         * config/dfp-bit.c: Add parameterized support for fp exceptions.
4970         * config/dfp-bit.h: Ditto.
4971
4972 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4973
4974         * c-decl.c (pop_scope): Replace warnings with call to
4975         warn_for_unused_label.
4976         * c-common.h (warn_for_unused_label): Declare.
4977         * c-common.c (warn_for_unused_label): Define.
4978
4979 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4980
4981         * tree-optimize.c (update_inlined_to_pointers): Delete unused
4982         function.
4983
4984 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4985
4986         * Makefile.in (USER_H): Remove decfloat.h.
4987         * ginclude/decfloat.h: Delete, moving contents to ...
4988         * ginclude/float.h: Add support for decimal floating point,
4989         guarded by __STDC_WANT_DEC_FP__.
4990
4991 2007-01-29  Mike Stump  <mrs@apple.com>
4992
4993         * doc/gccint.texi (Top): Rename Loop Representation to Loop
4994         Analysis and Representation to resolve case insensitive conflict.
4995         * doc/loop.texi (Loop Analysis and Representation): Likewise.
4996
4997 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
4998
4999         * tree.h (struct tree_memory_tag): Add aliases member.
5000         (MTAG_ALIASES): New macro.
5001         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5002         (add_may_alias): Remove pointer-set. Update for may_aliases being
5003         a bitmap.
5004         (mark_aliases_call_clobbered): Update for may_aliases being a
5005         bitmap.
5006         (compute_tag_properties): Ditto.
5007         (create_partition_for): Ditto.
5008         (compute_memory_partitions): Ditto.
5009         (dump_may_aliases_for): Ditto.
5010         (is_aliased_with): Ditto.
5011         (add_may_alias_for_new_tag): Ditto.
5012         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5013         (compute_is_aliased): New function.
5014         (compute_may_aliases): Call compute_is_aliased).
5015         (init_alias_info): Initialize alias_bitmap_obstack.
5016         (union_alias_set_into): New function.
5017         (compute_flow_sensitive_aliasing): Use union_aliases_into.
5018         (have_common_aliases_p): Rewrite to take two bitmaps and use
5019         intersection.
5020         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5021         Update for bitmaps.
5022         (finalize_ref_all_pointers): Update for add_may_alias changes.
5023         (new_type_alias): Ditto.
5024         * tree-flow-inline.h (may_aliases): Return a bitmap.
5025         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5026         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5027         may_aliases being a bitmap.
5028         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5029         may_aliases now returns a bitmap.
5030         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5031         being a bitmap.
5032         * tree-ssa-operands.c (add_virtual_operand): Update for
5033         may_aliases being a bitmap.
5034
5035 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
5036
5037         PR tree-optimization/30630
5038         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5039         variable as changed.
5040
5041 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
5042
5043         PR c++/28266
5044         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5045         expanded only once even if an error occurs.
5046
5047 2007-01-29  Ben Elliston  <bje@au.ibm.com>
5048
5049         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5050         (__gcov_average_profiler): Likewise.
5051         (__gcov_ior_profiler): Likewise.
5052         (__gcov_merge_ior): Likewise.
5053
5054 2007-01-28  Jan Hubicka  <jh@suse.cz>
5055
5056         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5057         * value-prof.c (stringop_block_profile): Likewise.
5058
5059 2007-01-28  Jan Hubicka  <jh@suse.cz>
5060
5061         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5062         variant handling histograms; add wrapper.
5063         (clear_storage_via_libcall): Export.
5064         (emit_block_move_hints): Break out from ...; add histograms.
5065         (emit_block_move): ... this one.
5066         (clear_storage_hints): Break out from ...; add histograms.
5067         (clear_storage): ... this one.
5068         (set_storage_via_memset): Handle histogram.
5069         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5070         (clear_storage_hints, clear_storage_via_libcall): Declare.
5071         (set_storage_via_setmem): Update prototype.
5072         * doc/md.texi (movmem, setmem): Document new arguments.
5073
5074         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5075         new histograms.
5076         (stringop_block_profile): New global function.
5077         (tree_stringops_values_to_profile): Profile block size and alignment.
5078         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5079         HIST_TYPE_IOR.
5080         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5081         (stringop_block_profile): Declare.
5082         * builtins.c: Include value-prof.h.
5083         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5084         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5085         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5086         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5087         * profile.c (instrument_values): Add new counters.
5088         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5089         calls.
5090         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5091         (tree_init_edge_profiler): Build new profilers.
5092         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5093         (pass_tree_profile): Add dump.
5094         (tree_profile_hooks): Update.
5095         * Makefile.in (LIBGCOV): Add new constants.
5096         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5097         __gcov_ior_profiler): New.
5098         * i386.md (movmem/setmem expanders): Add new optional arguments.
5099
5100 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
5101
5102         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5103
5104 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5105
5106         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5107         (tree_unswitch_single_loop): Pass eni_size_weights to
5108         tree_num_loop_insns.
5109         * tree-ssa-loop-manip.c: Include tree-inline.h.
5110         (can_unroll_loop_p): Pass eni_size_weights to
5111         tree_num_loop_insns.
5112         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5113         Pass eni_size_weights to estimate_num_insns.
5114         * tree.h (init_inline_once): Export.
5115         * toplev.c (backend_init): Call init_inline_once.
5116         * cgraphunit.c (cgraph_process_new_functions,
5117         cgraph_analyze_function): Pass eni_inlining_weights to
5118         estimate_num_insns.
5119         * ipa-inline.c (compute_inline_parameters): Ditto.
5120         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5121         to estimate_num_insns.
5122         (try_unroll_loop_completely): Pass eni_size_weights to
5123         tree_num_loop_insns.
5124         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5125         ot estimate_num_insns.
5126         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5127         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5128         * tree-inline.c (eni_inlining_weights, eni_size_weights,
5129         eni_time_weights): New variables.
5130         (init_inline_once): Initialize them.
5131         (struct eni_data): Mew.
5132         (estimate_num_insns_1, estimate_num_insns): Use weights.
5133         * tree-inline.h (struct eni_weights_d): New.
5134         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5135         (estimate_num_insns): Declaration changed.
5136         * cfgloop.h (tree_num_loop_insns): Declaration changed.
5137         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5138         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5139
5140 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5141
5142         * tree-data-ref.c (conflict_fn): Assert that the number of affine
5143         relations in the conflict function is valid.
5144
5145 2007-01-27  Ian Lance Taylor  <iant@google.com>
5146
5147         * common.opt: Add fstrict-overflow.
5148         * opts.c (decode_options): Set flag_strict_overflow if -O2.
5149         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5150         (TYPE_OVERFLOW_UNDEFINED): Define.
5151         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
5152         Replace all uses.
5153         * tree.h (TYPE_TRAP_SIGNED): Don't define.
5154         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5155         (fold_negate_expr): Likewise.
5156         (make_range): Likewise.
5157         (extract_muldiv_1): Likewise.
5158         (maybe_canonicalize_comparison): Likewise.
5159         (fold_comparison): Likewise.
5160         (fold_binary): Likewise.
5161         (tree_expr_nonnegative_p): Likewise.
5162         (tree_expr_nonzero_p): Likewise.
5163         * tree-vrp.c (compare_values): Likewise.
5164         (extract_range_from_binary_expr): Likewise.
5165         (extract_range_from_unary_expr): Likewise.
5166         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5167         Likewise.
5168         (nowrap_type_p): Likewise.
5169         * tree-scalar-evolution.c (simple_iv): Likewise.
5170         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5171         (build_range_check): Likewise.
5172         (extract_muldiv_1): Likewise.
5173         (fold_comparison): Likewise.
5174         * tree-vrp.c (vrp_int_const_binop): Likewise.
5175         (extract_range_from_unary_expr): Likewise.
5176         * convert.c (convert_to_integer): Likewise.
5177         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5178         (fold_comparison): Likewise.
5179         (fold_binary): Likewise.
5180         * optabs.c (optab_for_tree_code): Likewise.
5181         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5182         * simplify-rtx.c (simplify_const_relational_operation): Check
5183         flag_strict_overflow and flag_trapv.
5184         (simplify_const_relational_operation): Likewise.
5185         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5186         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
5187         -fstrict-overflow.
5188
5189 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5190
5191         * tree.c (tree_fold_gcd): Delete.
5192         * tree.h (tree_fold_gcd): Remove prototype.
5193         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5194         test whether one constant integer is a multiple of another.  Instead
5195         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5196         * fold-const.c (multiple_of_p):  We've determined both TOP and
5197         BOTTOM are integer constants so we can call int_const_binop directly
5198         instead of the more generic const_binop.
5199
5200 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5201
5202         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5203         1*X check that the constant hasn't overflowed, to preserve the
5204         TREE_OVERFLOW bit.
5205         (round_up): Provide an efficient implementation when rouding-up an
5206         INTEGER_CST to a power-of-two.
5207
5208 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5209
5210         * doc/sourcebuild.texi: Add comma for clarity.
5211         * doc/extend.texi: Fix some typos.
5212         * doc/passes.texi: Likewise.
5213         * doc/cppinternals.texi: Likewise.
5214         * doc/c-tree.texi: Likewise.
5215         * doc/tree-ssa.texi: Likewise.
5216         * doc/install.texi: Likewise.
5217
5218 2007-01-27  Jan Hubicka  <jh@suse.cz>
5219
5220         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5221         (pass_sra): Do not require alias information.
5222         * passes.c (init_optimization_passes): Add SRA
5223
5224 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
5225
5226         * tracer.c (rest_of_handle_tracer): We already cleaned
5227         up the CFG in tracer() so don't do it here again.
5228         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5229         cleanup_cfg here, either.  And don't call renumber_insns.
5230
5231         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5232         and BB_HEAD are in the insn stream here.  Instead make sure
5233         that BB_INSN is valid on all insns.  Also, do check here that
5234         there are no pending branch predictions...
5235         (rtl_verify_flow_info): ...instead of doing it here.  Checks
5236         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5237         here.
5238
5239 2007-01-26  Roger Sayle  <roger@eyesopen.com>
5240
5241         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5242         function to simplify/factorize operand order canonicalization.
5243         (ix86_fixup_binary_operands): Reorganize using the above function.
5244         (ix86_binary_operator_ok): Likewise.
5245
5246 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
5247
5248         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5249         file scope from optimize_attrs.
5250         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5251         up search.
5252         (optimize_attrs): Clear insn_code_values after freeing it.
5253
5254 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
5255
5256         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5257         a parts.base assignment.
5258
5259 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
5260
5261         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5262         (compute_subscript_distance, initialize_data_dependence_relation,
5263         finalize_ddr_dependent, analyze_ziv_subscript,
5264         analyze_siv_subscript_cst_affine,
5265         compute_overlap_steps_for_affine_univar,
5266         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5267         analyze_siv_subscript, analyze_miv_subscript,
5268         analyze_overlapping_iterations, subscript_dependence_tester_1,
5269         compute_self_dependence, free_dependence_relation): Work
5270         with affine_fn instead of chrecs.
5271         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5272         common_affine_function, affine_function_base,
5273         affine_function_constant_p, affine_fn_op, affine_fn_plus,
5274         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5275         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5276         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5277         (all_chrecs_equal_p): Removed.
5278         * tree-data-ref.h (affine_fn, conflict_function): New types.
5279         (struct subscript): Change type of conflicting_iterations_in_a
5280         and conflicting_iterations_in_b.
5281
5282 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
5283
5284         PR other/30182
5285         * config/pa/pa.h (TARGET_HPUX_11): New.
5286         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5287         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5288
5289 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
5290         Richard Guenther  <rguenther@suse.de>
5291
5292         * tree-ssa-structalias.c (solve_graph): Handle case
5293         we merged the variable to another.
5294
5295 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5296
5297         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5298         functions.
5299
5300         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5301         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5302
5303 2007-01-25  DJ Delorie  <dj@redhat.com>
5304
5305         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5306         allow changes to modes which don't fit in those registers.
5307
5308         * reload1.c (choose_reload_regs): Check for invalid subregs before
5309         computing their locations, not after.
5310
5311 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
5312
5313         PR 25127
5314         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5315         save Altivec registers in an eh_return function.
5316         (compute_vrsave_mask): Likewise.
5317         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5318         for saving Altivec registers.
5319         (rs6000_emit_prologue): Don't allocate stack twice in
5320         eh_return function.  Correct expected value of altivec_save_offset
5321         when using save_world.  Describe save of R0 to stack when using
5322         save_world.  Describe stack pointer adjustment when using
5323         save_world.  Remove duplicated eh_return parameter register saving.
5324         Update sp_offset variable after save_world.
5325         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5326         darwin-world.asm.
5327         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5328         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5329         implies Altivec.
5330
5331 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
5332
5333         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5334
5335 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
5336
5337         PR other/30182
5338         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5339         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
5340
5341 2007-01-25  Richard Guenther  <rguenther@suse.de>
5342
5343         * doc/invoke.texi (-Wcoverage-mismatch): Document.
5344         * common.opt (-Wcoverage-mismatch): New warning option.
5345         * coverage.c (get_coverage_counts): Ignore coverage mismatch
5346         if -Wcoverage-mismatch is given.
5347
5348 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
5349
5350         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5351         (ipcp_driver): Change to static definition.
5352         Add dumping of the ifunctions.
5353         (constant_val_insert): Remove unused parameter. Support for SSA.
5354         (ipcp_propagate_const): Support for SSA.
5355         (ipcp_profile_bb_print): Print only analyzed nodes.
5356         (ipcp_replace_map_create): Remove support for Fortran constant
5357         for now.
5358         * ipa-prop.c (ipa_method_modify_stmt,
5359         ipa_callsite_compute_param): Support for SSA.
5360         * ipa-prop.h (ipcp_driver): Remove declaration.
5361         (IS_VALID_TREE_MAP_INDEX): Add define.
5362
5363 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
5364
5365         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5366
5367 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5368
5369         PR middle-end/30447
5370         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5371         constant argument to cabs and do it without checking for
5372         -funsafe-math-optimizations.
5373
5374 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
5375
5376         * c-common.h (RID_FIRST_CXX0X): New.
5377         (RID_LAST_CXX0X): New.
5378         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5379         by -Wall.
5380         * c.opt (Wc++0x-compat): New.
5381         * doc/invoke.texi (-Wc++0x-compat): Document.
5382
5383 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5384
5385         * builtins.c (fold_builtin_carg): New.
5386         (fold_builtin_1): Use it.
5387
5388 2007-01-24  Jan Hubicka  <jh@suse.cz>
5389
5390         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5391
5392         * ipa-inline.c (initial_insns, max_insns): Delete.
5393         (compute_max_insns): New function.
5394         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5395         of insns as base for code growth.
5396         (cgraph_decide_inlining): Make initial_insns local; do not compute
5397         max_insns.
5398         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5399         * doc/invoke.texi (inline-unit-growth): Update docs.
5400
5401 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
5402
5403         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5404         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5405         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5406         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
5407         for CPUs that have PTA_CX16 set.
5408
5409         PR middle-end/27416
5410         * gimplify.c (omp_check_private): New function.
5411         (gimplify_scan_omp_clauses): Use it for
5412         firstprivate/lastprivate/reduction.
5413
5414         PR middle-end/30494
5415         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5416         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5417
5418         PR middle-end/30421
5419         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5420         If lower_lastprivate_clauses emits some statements, append them
5421         to dlist rather than body_p and to body_p append an initializer.
5422         (lower_omp_for): Adjust caller.
5423
5424 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
5425
5426         * target.h (globalize_decl_name): New.
5427         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5428         * output.h (default_globalize_decl_name): New.
5429         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5430         globalize_label.
5431         (globalize_decl): Ditto.
5432         (default_globalize_decl_name): New.
5433         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5434         (ia64_handle_version_id_attribute): New.
5435         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5436         (ia64_asm_output_external): Use globalize_decl_name instead
5437         of globalize_label.
5438         * doc/extend.texi (version_id): New pragma.
5439         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5440
5441 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5442
5443         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5444         _uleb128_t and _Unwind_SWord with _sleb128_t.
5445         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5446         uw_frame_state_for, uw_update_context_1): Likewise.
5447         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
5448         * unwind-pe.h (read_uleb128, read_sleb128,
5449         read_encoded_value_with_base): Likewise.
5450         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
5451
5452 2007-01-24  Richard Guenther  <rguenther@suse.de>
5453
5454         * builtins.c (expand_builtin_cexpi): Get the fndecl
5455         for cexp in the correct way.
5456
5457 2007-01-24  Jan Hubicka  <jh@suse.cz>
5458
5459         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
5460
5461 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5462
5463         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
5464         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
5465         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
5466         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
5467         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
5468         __SIZEOF_PTRDIFF_T__.
5469         * doc/cpp.texi: Documentation for the new builtin macros added.
5470
5471 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
5472
5473         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
5474         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
5475         instead of operands[2] to avoid access past the end of array.
5476
5477 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
5478
5479         * reload1.c (emit_reload_insns): Pass the reload register
5480         for a non-spill output reload through forget_old_reloads_1.
5481
5482 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
5483
5484         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5485         _SOFT_DOUBLE if doubles use software floating-point.
5486         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
5487         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5488         * config/rs6000/darwin-ldouble.c: Also compile functions for
5489         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
5490         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5491         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
5492         commented-out long double override.
5493         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
5494         * config/rs6000/eabispe.h: Likewise.
5495         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
5496         long double for non-SPE.
5497         (rs6000_handle_option): Likewise.
5498         (invalid_e500_subreg): Disallow more subregs involding DImode,
5499         DFmode, TImode or TFmode.
5500         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
5501         E500 double.
5502         (legitimate_lo_sum_address_p): Also check for TFmode for E500
5503         double.
5504         (rs6000_legitimize_address): Also handle TFmode for E500 double.
5505         (rs6000_legitimize_reload_address): Also handle TFmode for E500
5506         double.
5507         (rs6000_legitimate_address): Also check for TFmode for E500
5508         double.
5509         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
5510         (spe_build_register_parallel): Handle TFmode and TCmode.
5511         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
5512         double.
5513         (function_arg): Handle TFmode and TCmode for E500 double.
5514         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
5515         in general.
5516         (print_operand): Handle TFmode and TImode for %y.
5517         (rs6000_generate_compare): Handle TFmode comparisons for E500
5518         double.
5519         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
5520         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
5521         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
5522         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
5523         TFmode for E500 double.
5524         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
5525         (floatsidf2): Enable for E500 double.
5526         (movtf_softfloat): Use rs6000_nonimmediate_operand.
5527         (extenddftf2): Change to extenddftf2_fprs.
5528         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
5529         depending on TARGET_E500_DOUBLE.
5530         (extendsftf2): Enable for E500 double.
5531         (trunctfdf2): Enable for E500 double.
5532         (trunctfsf2): Change to trunctfsf2_fprs.
5533         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
5534         depending on TARGET_E500_DOUBLE.
5535         (floatsitf2): Enable for E500 double.
5536         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
5537         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
5538         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
5539         (negtf2): Change to negtf2_internal.
5540         (negtf2): New expander.
5541         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
5542         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
5543         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
5544         (movdi_internal32): Use rs6000_nonimmediate_operand.
5545         (unnamed splitter): Likewise.
5546         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
5547         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
5548         (SPE64TF, DITI): New mode macros.
5549         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
5550         modes.
5551         (frob_tf_ti): New.
5552         (frob_<mode>_di_2): New.
5553         (frob_tf_di_8_2): New.
5554         (frob_di_df): Change to frob_di_<mode>; allow more modes.
5555         (frob_ti_tf): New.
5556         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
5557         more modes.
5558         (frob_ti_<mode>_8_2): New.
5559         (frob_ti_tf_2): New.
5560         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
5561         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
5562         TFmode.
5563         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
5564         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
5565         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
5566         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
5567         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
5568         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
5569         tsttflt_gp): New.
5570
5571 2007-01-23  Ian Lance Taylor  <iant@google.com>
5572
5573         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
5574         insn-*.o first.
5575         (OBJS-archive): Reformat, alphabetize.
5576         (OBJS): Change out_object_file to OBJS-md.
5577
5578 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
5579
5580         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
5581         JUMP_P and CALL_P predicates where applicable.
5582         * config/i386/i386.c: Ditto.
5583         * config/i386/i386.md: Ditto.
5584         * config/i386/mmx.md: Ditto.
5585         * config/i386/predicates.md: Ditto.
5586
5587 2007-01-22  Andreas Schwab  <schwab@suse.de>
5588
5589         * config/m68k/m68k.h: Fix comment.
5590
5591 2007-01-22  Jan Hubicka  <jh@suse.cz>
5592
5593         * passes.c (init_optimization_passes): Do not rerun
5594         pass_early_warn_uninitialized.
5595
5596 2007-01-22  Richard Guenther  <rguenther@suse.de>
5597
5598         PR tree-optimization/30038
5599         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
5600         function.
5601         (execute_cse_sincos_1): Likewise.
5602         (execute_cse_sincos): Likewise.
5603         (gate_cse_sincos): Likewise.
5604         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
5605         the cexpi() canonicalization of sincos().
5606         * tree-pass.h (pass_cse_sincos): Declare.
5607         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
5608
5609 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5610
5611         PR rtl-optimization/29329
5612         * combine.c (replaced_rhs_insn): Rename to i2mod.
5613         (replaced_rhs_value): Rename to i2mod_new_rhs.
5614         (i2mod_old_rhs): New global variable.
5615         (combine_instructions): Adjust for above change.  Save a copy of
5616         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
5617         note are substituted in the second instruction.
5618         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
5619         ditch the note if it pertains to the second eliminated register
5620         and this register is mentioned in i2mod_old_rhs.
5621
5622         Revert:
5623         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5624
5625         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5626         the insn to which the note was originally attached.
5627
5628 2007-01-21  Jan Hubicka  <jh@suse.cz>
5629
5630         * ipa-inline.c (inlining_mode): Comment, move up.
5631         (cgraph_decide_inlining_incrementally): Do not perform inlining
5632         itself; fix handling of flattening of self recursive functions.
5633         (cgraph_find_cycles): Remove.
5634         (cgraph_flatten_node): Remove.
5635         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
5636         (try_inline): New function.
5637         (cgraph_early_inlining): Update call of
5638         cgraph_decide_inlining_incrementally.  Apply inlining here.
5639         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
5640
5641 2007-01-21  Dirk Mueller  <dmueller@suse.de>
5642
5643         PR bootstrap/30511
5644         * tree-vrp.c (check_array_bounds): do not warn
5645         about ADDR_EXPR's of ARRAY_REF's which are immediately
5646         used in binary expressions.
5647
5648 2007-01-21  Ira Rosen  <irar@il.ibm.com>
5649
5650         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
5651         read_write_dep and macros for its access.
5652         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
5653         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
5654         argument, call vect_check_interleaving for every independent pair of
5655         data-refs. Mark loads that access the same memory location as a store
5656         in the loop.
5657         (vect_check_dependences): Remove.
5658         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
5659         call, fix the call to vect_analyze_data_ref_dependence.
5660         (vect_analyze_data_ref_access): For statements that access the same
5661         data-ref, check that they are not stores; for loads, check that there
5662         is no store that access the same location.
5663
5664 2007-01-20  Roger Sayle  <roger@eyesopen.com>
5665             Joseph Myers  <joseph@codesourcery.com>
5666
5667         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
5668         (-fdump-rtl-stack): Likewise.
5669         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
5670         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
5671         (-mpt-fixed): Use @minus{} for minus sign.
5672         (Using Precompiled Headers): Fix under/overfull hbox.
5673
5674 2007-01-20  Jan Hubicka  <jh@suse.cz>
5675
5676         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
5677         place within annotation.
5678
5679 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5680
5681         * pa.c (output_move_double): Change array size of xoperands to 4.
5682
5683 2007-01-20  Jan Hubicka  <jh@suse.cz>
5684
5685         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
5686         as temporary.
5687
5688 2007-01-19  Ian Lance Taylor  <iant@google.com>
5689
5690         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
5691         constant to unsigned HOST_WIDE_INT before negating.
5692
5693 2007-01-19  Ian Lance Taylor  <iant@google.com>
5694
5695         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
5696         to unsigned.
5697         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
5698         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5699         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
5700         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
5701         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5702         (realloc_vdef, realloc_vuse): Change second parameter to
5703         unsigned.
5704         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
5705         fields to unsigned.
5706         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
5707         unsigned. Change x and lim locals to unsigned.
5708         (realloc_vdef, realloc_vuse): Change num_elem parameter to
5709         unsigned.
5710         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
5711         (copy_virtual_operands): Change i and n locals to unsigned.
5712
5713 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5714
5715         PR middle-end/29335
5716         * builtins.c (fold_builtin_1): Handle builtin fdim.
5717
5718 2007-01-20  Jan Hubicka  <jh@suse.cz>
5719
5720         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
5721         * tree-ssa-structalias.c (compute_points_to_sets): Do call
5722         init_alias_heapvars.
5723         (init_alias_heapvars): Initialize only when not already initialized.
5724         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
5725
5726 2007-01-19  Roger Sayle  <roger@eyesopen.com>
5727
5728         * common.opt (fsigned-zeros): New command line option.
5729         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
5730         of flag_unsafe_math_optimizations.
5731         * opts.c (set_fast_math_flags): The -ffast-math command line option
5732         implies -fno-signed-zeros.
5733         (fast_math_flags_set_p): Likewise.
5734
5735         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
5736         the documentation of -ffast-math appropriately.  Wrap long lines.
5737
5738 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
5739
5740         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
5741         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
5742
5743 2007-01-19  Tomas Bily  <tbily@suse.cz>
5744
5745         * cgraphunit.c (cgraph_finalize_function): Updating of pid
5746         * tree-profile.c:
5747         (tree_init_ic_make_global_vars): New function
5748         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
5749         (tree_gen_ic_profiler): New function
5750         (tree_gen_ic_func_profiler): New function
5751         (tree_profiling): Added calling of tree_gen_ic_func_profiler
5752         (tree_profile_hooks): Added hook for indirec/virtual calls
5753         * value-prof.c (tree_find_values_to_profile): New case for
5754         indirect calls
5755         (tree_values_to_profile): Call for determining indirect/virtual
5756         counters
5757         (tree_indirect_call_to_profile): New function
5758         (tree_ic_transform): New function
5759         (tree_ic): New function
5760         (find_func_by_pid): New function
5761         (init_pid_map): New function
5762         (tree_value_profile_transformations): Added check for
5763         indirect/virtual call transformation
5764         * value-prof.h (enum hist_type): New counter type for
5765         indirect/virtual calls
5766         (profile_hooks): Added new hook for profiling indirect/virtual
5767         calls
5768         * profile.c (instrument_values): New case for indirect/virtual
5769         call added
5770         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
5771         (GCOV_COUNTER_V_INDIR): New counter type
5772         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
5773         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
5774         call added
5775         * cgraph.c: Definition of cgraph_max_pid
5776         (cgraph_create_node): Default init of pid attribute
5777         * cgraph.h: Declaration of cgraph_max_pid
5778         (struct cgraph_node): Added pid attribute
5779         * libgcov.c (__gcov_indirect_call_profiler): New function
5780         (__gcov_one_value_profiler_body): New function
5781         (__gcov_one_value_profiler): Body was moved to
5782         __gcov_one_value_profiler_body and calls it
5783
5784 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
5785
5786         * doc/gty.texi (Options): Document the mark_hook option to GTY.
5787         * gengtype.c (write_types_data, write_func_for_structure,
5788         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
5789         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
5790         (walk_type, write_func_for_structure): Generate the mark_hook if
5791         needed.
5792
5793 2007-01-19  Jan Hubicka  <jh@suse.cz>
5794
5795         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
5796         'early' argument take inlining mode argument specifying whether to
5797         inline for size/speeed or all functions; add support for flattening;
5798         improve dumpting.
5799         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
5800
5801 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5802
5803         PR c++/17947
5804         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
5805         the name of the declared identifier.
5806
5807 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5808
5809         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
5810         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
5811         duplicate evaluation.
5812
5813 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5814
5815         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
5816         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
5817         to XFMode, use acosxf2 and truncate result to requested mode.
5818         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5819         (asin<mode>2): Similarly, with asin expanders.
5820         (*fscalexf4_i387): Rename from *fscalexf4.
5821         (expNcorexf3): New expander.
5822         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
5823         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
5824         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
5825         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
5826         patterns for SSE math.
5827         (exp10<mode>2): Similarly, with exp10 expanders.
5828         (exp2<mode>2): Similarly, with exp2 expanders.
5829         (expm1<mode>2): Similarly, with expm1 expanders.
5830         (ldexp<mode>3): Similarly, with ldexp expanders.
5831         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
5832         Use gen_truncxf<mode>2_i387_noop to truncate result.
5833
5834 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5835
5836         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
5837         for ColdFire targets.
5838
5839 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
5840             Richard Sandiford  <richard@codesourcery.com>
5841
5842         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
5843         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
5844         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
5845         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
5846         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5847         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5848
5849 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5850
5851         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
5852         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
5853         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
5854         (*adddi_dilshr32_cf): New pattern.
5855         (adddi3, subdi3): Remove first alternatives.
5856
5857 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5858
5859         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
5860         implemented using move.l, do not use its cc result for floating-point
5861         comparisons.
5862
5863 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5864
5865         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
5866         from accepting 's' constraints if flag_pic.
5867
5868 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5869
5870         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
5871         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
5872         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
5873         condition from TARGET_68881 to TARGET_HARD_FLOAT.
5874
5875 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
5876
5877         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
5878         ColdFire alternatives.
5879         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
5880         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
5881         architectures that support ff1 instruction.
5882
5883 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5884             Julian Brown  <julian@codesourcery.com>
5885
5886         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
5887         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
5888         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
5889         Add commentary.
5890
5891 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5892
5893         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
5894         and return a bool.
5895         (output_move_const_into_data_reg, output_move_simode_const): Delete.
5896         * config/m68k/m68k.c (const_method, const_int_cost): Take a
5897         HOST_WIDE_INT instead of an rtx.
5898         (m68k_rtx_costs): Update call accordingly.
5899         (output_move_const_into_data_reg): Likewise.  Fix formatting.
5900         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
5901         Return a bool.
5902         (output_move_simode_const): Update calls after above changes.
5903         Rework to use automatic variables and predicates like MEM_P.
5904         * config/m68k/m68k.md (pushexthisi_const): Update call to
5905         valid_mov3q_const.
5906
5907 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5908
5909         * tree-ssa-alias.c (perform_var_substitution): Fix typo
5910         in dump_flags test.
5911
5912 2007-01-19  Richard Guenther  <rguenther@suse.de>
5913
5914         * builtins.c (expand_builtin_cexpi): Fall back to expanding
5915         via cexp in case sincos is not available.
5916
5917 2007-01-19  Richard Guenther  <rguenther@suse.de>
5918
5919         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
5920         * defaults.h (TARGET_HAS_SINCOS): Default to off.
5921         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
5922         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
5923         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
5924         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
5925         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
5926         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
5927
5928 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5929
5930         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
5931         New insn patterns.
5932         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
5933         (atan2xf3): Directly generate RTL pattern.
5934         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
5935         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5936         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5937         disable patterns for SSE math.
5938         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
5939         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5940         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5941         disable patterns for SSE math.
5942
5943 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
5944
5945         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
5946
5947 2007-01-18  Roger Sayle  <roger@eyesopen.com>
5948
5949         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
5950         VIEW_CONVERT_EXPR to the same type as it's operand.
5951
5952 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
5953
5954         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
5955         configured for long double 128.
5956
5957 2007-01-18  Mike Stump  <mrs@apple.com>
5958
5959         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
5960         error.
5961
5962 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
5963
5964         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
5965         type correct.
5966
5967 2007-01-18  Jan Hubicka  <jh@suse.cz>
5968
5969         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
5970         greater than NUM_VOP_FREE_BUCKETS.
5971
5972 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
5973
5974         * tree-ssa-structalias.c: Update comments.
5975         (ptabitmap_obstack): Removed.
5976         (pta_obstack): New.
5977         (oldpta_obstack): Ditto.
5978         (stats): Add a few members.
5979         (struct variable_info): Remove node, complex, address_taken, and
5980         indirect_target members. Add oldsolution member.
5981         (new_var_info): Do not initialize removed members.
5982         (constraint_expr_type): Remove INCLUDES.
5983         (constraint_graph): Add size, implicit_preds, rep,
5984         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
5985         (FIRST_REF_NODE): New macro.
5986         (LAST_REF_NODE): Ditto.
5987         (FIRST_ADDR_NODE): Ditto.
5988         (find): New function.
5989         (unite): Ditto.
5990         (dump_constraint): Do not handle INCLUDES.
5991         (insert_into_complex): Do not insert duplicate constraints.
5992         (condense_varmap_nodes): Renamed and rewritten into ...
5993         (merge_node_constraints): This. Also fix bug in handling of
5994         offseted copy constraints.
5995         (clear_edges_for_node): No longer need to deal with preds at all,
5996         or removing associated preds/succs.
5997         (merge_graph_nodes): Deal with indirect_cycles.
5998         Don't deal with predecessors.
5999         (add_implicit_graph_edge): New function.
6000         (add_pred_graph_edge): Ditto.
6001         (add_graph_edge): Don't deal with predecessors.
6002         (build_constraint_graph): Removed.
6003         (build_pred_graph): New function.
6004         (build_succ_graph): Ditto.
6005         (struct scc_info): Removed in_component. Added roots, dfs, and
6006         node_mapping. Remove visited_index, unification_queue.
6007         (scc_visit): Deal with union-find we do now.
6008         Deal with cycles with REF nodes.
6009         (collapse_nodes): Renamed and rewritten to ...
6010         (unify_nodes): This.
6011         (process_unification_queue): Removed.
6012         (topo_visit): Cleanup
6013         (do_da_constraint): Use find.
6014         (do_sd_constraint): Ditto.
6015         (do_ds_constraint): Ditto.
6016         (do_complex_constraint): Ditto.
6017         (init_scc_info): Update for removed and added members.
6018         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6019         (find_indirect_cycles): This.
6020         (equivalence_class): New variable.
6021         (label_visit): New function.
6022         (perform_variable_substitution): Rewritten.
6023         (free_var_substitution_info): New function.
6024         (find_equivalent_node): Ditto.
6025         (move_complex_constraints): Ditto.
6026         (eliminate_indirect_cycles): Ditto.
6027         (solve_graph): Only propagate changed bits.
6028         Use indirect cycle elimination.
6029         Use find.
6030         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6031         (tree_id_eq): Renamed to ...
6032         (tree_vi_eq): This. Update for member change
6033         (insert_id_for_tree): Renamed and rewritten to ...
6034         (insert_vi_for_tree): This.
6035         (lookup_id_for_tree): Renamed and rewritten to ...
6036         (lookup_vi_for_tree): This.
6037         (get_id_for_tree): Renamed and rewritten to ...
6038         (get_vi_for_tree): Ditto.
6039         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6040         (process_constraint): Don't handle INCLUDES.
6041         Remove special ADDRESSOF case.
6042         (find_func_aliases): Rewrite to use vi functions instead of id
6043         ones.
6044         (create_function_info_for): Ditto.
6045         (create_variable_info_for): Ditto.
6046         (intra_create_variable_infos): Ditto.
6047         (merge_smts_into): Ditto.
6048         (find_what_p_points_to): Ditto.
6049         (init_base_vars): Ditto.
6050         (init_alias_vars): Ditto.
6051         (remove_preds_and_fake_succs): New function.
6052         (dump_sa_points_to_info): Dump new stats.
6053         (dump_solution_for_var): Use find.
6054         (set_used_smts): Fix formatting.
6055         (compute_points_to_sets): Updated for new functions.
6056         (ipa_pta_execute): Ditto.
6057
6058 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6059             Richard Sandiford  <richard@codesourcery.com>
6060
6061         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6062         parallels.
6063         * calls.c (expand_call): If the return value is a PARALLEL,
6064         extract its first member.
6065         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6066         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6067         use FUNCTION_EXTRA_EPILOGUE.
6068         (m68k_function_value): Return a PARALLEL if the return value
6069         is of a pointer type.
6070         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6071         (FUNCTION_EXTRA_EPILOGUE): Remove.
6072         * config/m68k/m68k.md (D0_REG): New constant.
6073
6074 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6075
6076         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6077         output a NOP for empty epilogues.
6078
6079 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6080
6081         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6082         before function.  Extend register save check to include all
6083         registers, not just integer ones.
6084
6085 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6086
6087         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6088         (m68k_use_return_insn): ...this.
6089         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6090         * config/m68k/m68k.c (use_return_insn): Rename to...
6091         (m68k_use_return_insn): ...this.
6092         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6093         of USE_RETURN_INSN.
6094
6095 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6096
6097         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6098         nearest even, fix denormal rounding overflow.
6099
6100 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6101
6102         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6103         f%$smove and f%$move.
6104         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6105         (extendsfdf2_cf): Use fdmove instead of f%&move.
6106         (truncdfsf2_cf): Use fsmove instead of f%$smove.
6107         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6108
6109 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6110
6111         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6112         GPR<-GPR moves.
6113
6114 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6115
6116         * real.h (real_format): Add a canonical_nan_lsbs_set field.
6117         (coldfire_single_format): Declare.
6118         (coldfire_double_format): Likewise.
6119         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6120         of qnan_msb_set to determine the lower bits of a canonical
6121         NaN significand.
6122         (encode_ieee_double): Likewise.
6123         (encode_ieee_quad): Likewise.
6124         (ieee_single_format): Initialize canonical_nan_lsbs_set.
6125         (mips_single_format): Likewise.
6126         (ieee_double_format): Likewise.
6127         (mips_double_format): Likewise.
6128         (ieee_extended_motorola_format): Likewise.
6129         (ieee_extended_intel_96_format): Likewise.
6130         (ieee_extended_intel_128_format): Likewise.
6131         (ieee_extended_intel_96_round_53_format): Likewise.
6132         (ibm_extended_format): Likewise.
6133         (mips_extended_format): Likewise.
6134         (ieee_quad_format): Likewise.
6135         (mips_quad_format): Likewise.
6136         (vax_f_format): Likewise.
6137         (vax_d_format): Likewise.
6138         (vax_g_format): Likewise.
6139         (i370_single_format): Likewise.
6140         (i370_double_format): Likewise.
6141         (decimal_single_format): Likewise.
6142         (decimal_double_format): Likewise.
6143         (decimal_quad_format): Likewise.
6144         (c4x_single_format): Likewise.
6145         (c4x_extended_format): Likewise.
6146         (real_internal_format): Likewise.
6147         (coldfire_single_format): New real_format.
6148         (coldfire_double_format): Likewise.
6149         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6150         canonical_nan_lsbs_set.
6151         (pdp11_d_format): Likewise.
6152         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6153         if TARGET_COLDFIRE_CPU.
6154
6155 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6156
6157         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6158         (output_call, m68k_legitimize_call_address): Declare.
6159         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6160         parenthesees.  Add support for a 'W' constraint.
6161         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6162         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6163         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6164         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6165         variables.
6166         (override_options): Initialize them.  Do not set flag_no_function_cse
6167         for TARGET_ID_SHARED_LIBRARY.
6168         (m68k_output_pic_call): Delete.
6169         (m68k_legitimize_call_address): New function.
6170         (print_operand): Remove the %o prefix.  Handle the %p prefix.
6171         (output_call): New function.
6172         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
6173         target address from the GOT if symbolic jumps are not allowed.
6174         * config/m68k/m68k.md (call, general_operand): Do not set
6175         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
6176         Merge separate flag_pic and !flag_pic define_insns into...
6177         (*call, *call_value): ...these new patterns.  Match the address
6178         rather than the containing MEM and require it to be a call_operand.
6179         Use output_call to generate the asm template.
6180         * config/m68k/predicates.md (const_call_operand): New predicate.
6181         (call_operand): Likewise.
6182
6183 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6184
6185         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6186         (STACK_GROWS_DOWNWARD): Define to 1.
6187         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6188         comments, emphasizing that these values are only defaults.
6189         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6190         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6191
6192 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6193
6194         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6195
6196 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6197             Richard Sandiford  <richard@codesourcery.com>
6198
6199         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6200         (FP_REGNO_P): New macros.
6201         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6202         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6203         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6204         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6205
6206 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6207
6208         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6209         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6210         to $tmake_file.
6211         * config/m68k/t-floatlib: New file, extracting common code from...
6212         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6213         * config/m68k/t-uclinux: Here.
6214         * config/m68k/fpgnulib.c: Do not compile extendeed precision
6215         routines on ColdFire targets.
6216
6217 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6218
6219         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6220         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6221         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6222         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6223         explicitly set MOTOROLA to 1.
6224         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6225
6226 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6227             Nathan Sidwell  <nathan@codesourcery.com>
6228
6229         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6230         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6231         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6232         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6233         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6234         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6235         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6236         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6237         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6238         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6239         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6240         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6241         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6242         (DBX_REGISTER_NUMBER): Delete.
6243         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6244         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6245         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6246
6247 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6248
6249         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6250         * config/flat.h: New file.
6251         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6252         OBJECT_FORMAT_FLAT.
6253         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6254         indirect references for -msep-data or -mid-shared-library.
6255         Do not use PC-relative code addresses either.
6256         * config/m68k/m68k.c (override_options): Restrict -fPIC error
6257         to -mpcrel.
6258         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
6259         for shared libraries and crt1.o for executables.  Use crti.o and
6260         crtbegin.o.
6261         (ENDFILE_SPEC): Use crtend.o and crtn.o.
6262         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6263         Do not add -elf2flt or -shared-lib-id options here.
6264         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
6265         Pass -shared-lib-id if -mid-shared-library, taking the library
6266         identifier from -mshared-library-id if given, otherwise
6267         defaulting to 0.
6268         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6269         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6270         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6271         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6272         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6273         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6274         and crtend.o.
6275         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6276         jump sequence for ISA A and ISA A+.
6277         (PICJUMP): Likewise.
6278
6279 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6280
6281         * config.gcc (m68k-*-uclinux*): Base the port on the common
6282         and m68k GNU/Linux files rather than on the generic ELF ones.
6283         * config/m68k/uclinux.h (TARGET_VERSION): Override.
6284         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6285
6286 2007-01-18  Julian Brown  <julian@codesourcery.com>
6287             Richard Sandiford  <richard@codesourcery.com>
6288
6289         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6290         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6291         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6292         before redefining.
6293         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6294         80 unconditionally.
6295         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6296
6297 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6298
6299         * doc/install.texi: Document m68k-uclinuxoldabi.
6300         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6301         * config/m68k/uclinux-oldabi.h: New file, copied from
6302         config/m68k/uclinux.h.
6303
6304 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
6305
6306         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6307         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6308         (m32r_compute_frame_size): Use unsigned for regno.
6309         (m32r_reload_lr): Use gen_frame_mem.
6310         (pop): New.
6311         (m32r_output_function_epilogue): Don't output the function epilogue
6312         textually here.
6313         (m32r_expand_epilogue): New.
6314         (direct_return): Return false if the function has the interrupt
6315         attribute.
6316         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6317         * config/m32r/m32r.md (epilogue): New expander.
6318         (return_lr, return_rte): New insns.
6319         (return): Make it expander.
6320         (return_normal): New expander.
6321
6322 2007-01-18  Josh Conner  <jconner@apple.com>
6323
6324         PR target/30485
6325         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6326         support for UNLE, UNLT, UNGE, and UNGT.
6327
6328 2007-01-18  Jan Hubicka  <jh@suse.cz>
6329
6330         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6331         * tree-tailcall (add_virtual_phis): Likewise.
6332         (optimize_tail_call): Return TODOs.
6333         (execute_tail_calls): Return TODOs.
6334         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6335         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6336         changed.
6337         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6338         Cleanup cfg using TODO.
6339         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6340         * passes.c (execute_function_todo): When cleanup did something, remove
6341         unused locals.
6342         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6343         (make_edges): Don't cleanup_cfg.
6344
6345 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
6346
6347         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6348         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6349         operate on the top of stack.
6350         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6351         register handling of instructions that output to the second
6352         stack slot.
6353         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6354         (move_for_stack_reg): Special-case check for dead destination
6355         stack slot for constant load of 1.0 inside UNSPEC_TAN.
6356
6357         * config/i386/i386.md (UNSPEC_TAN): New constant.
6358         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6359         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6360         to correctly model move of constant 1.0 to top stack slot.
6361         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6362         (unnamed peephole2 pattern): Remove corresponding peephole2
6363         pattern that optimizes tan insn and loading of constant 1.0.
6364         (tanxf2): Use fptanxf4_i387.
6365         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6366         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
6367         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6368         disable patterns for SSE math.
6369         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6370         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6371
6372 2007-01-18  Dirk Mueller  <dmueller@suse.de>
6373             Richard Guenther <rguenther@suse.de>
6374
6375         PR diagnostic/8268
6376         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6377         * common.opt (Warray-bounds): Add new warning option.
6378         * c-opts.c (c_common_handle_option): Define -Warray-bounds
6379         if -Wall is given.
6380         * Makefile.in: make tree-vrp.o depend on toplev.h
6381         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6382         is enabled.
6383         (check_array_refs, check_array_bounds, check_array_ref): New.
6384
6385 2007-01-18  Jan Hubicka  <jh@suse.cz>
6386
6387         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6388         (execute_ssa_ccp): Return flags conditionally.
6389         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6390         changed.
6391         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6392
6393 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
6394
6395         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6396         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6397
6398         * Makefile.c (GTFILES): Add cfglayout.h.
6399         * gengtype.c (open_base_files): Likewise.
6400         * cfglayout.c (cfg_layout_function_footer,
6401         cfg_layout_function_header) Reindent to make gengtype happy.
6402         * cfglayout.h (cfg_layout_function_footer,
6403         cfg_layout_function_header): Add GTY(()) marker.
6404
6405         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6406
6407 2007-01-18  Ben Elliston  <bje@au.ibm.com>
6408
6409         * genautomata.c (write_automata): Include xstrerror output in the
6410         error message if writing the DFA description file fails.
6411
6412 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
6413
6414         * config/mips/mips-protos.h (mips_output_external): Make it
6415         return void.
6416         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6417         * config/mips/mips.c (irix_output_external_libcall): Likewise.
6418         (extern_list): Likewise.
6419         (extern_head): Likewise.
6420         (TARGET_ASM_FILE_END): Likewise.
6421         (mips_file_end): Likewise.
6422         (mips_output_external): Rewritten.
6423
6424 2007-01-18  Ben Elliston  <bje@au.ibm.com>
6425
6426         * genpreds.c (write_insn_preds_c): Only write out the function
6427         body for regclass_for_constraint if we have register constraints.
6428
6429 2007-01-17  Tom Tromey  <tromey@redhat.com>
6430
6431         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6432         * doc/install.texi (Testing): Use sourceware.org.
6433         (Binaries): Likewise.
6434         (Specific): Likewise.
6435         * doc/contrib.texi (Contributors): Use sourceware.org.
6436
6437 2007-01-17  Anatoly Sokolov <aesok@post.ru>
6438
6439         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6440         (AVR_ENHANCED): Rename to ...
6441         (AVR_HAVE_MUL): ... new.
6442         (avr_enhanced_p): Rename to ...
6443         (avr_have_mul_p): ... new.
6444         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6445         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6446         * config/avr/avr.c (avr_enhanced_p): Rename to ...
6447         (avr_have_mul_p): ... new.
6448         (base_arch_s): Rename 'enhanced' to 'have_mul'.
6449         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
6450         'avr_enhanced_p' and 'enhanced'.
6451         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
6452         AVR_HAVE_MUL instead of AVR_ENHANCED.
6453         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6454         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
6455         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
6456         instead of AVR_ENHANCED.
6457         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6458         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
6459         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
6460
6461 2007-01-17  Ian Lance Taylor  <iant@google.com>
6462
6463         * vec.h (VEC_reserve_exact): Define.
6464         (vec_gc_p_reserve_exact): Declare.
6465         (vec_gc_o_reserve_exact): Declare.
6466         (vec_heap_p_reserve_exact): Declare.
6467         (vec_heap_o_reserve_exact): Declare.
6468         (VEC_OP (T,A,reserve_exact)): New static inline function, three
6469         versions.
6470         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
6471         negative parameter.
6472         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
6473         (VEC_OP (T,A,copy)) [all versions]: Likewise.
6474         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
6475         * vec.c (calculate_allocation): Add exact parameter.  Change all
6476         callers.
6477         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
6478         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
6479         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
6480         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
6481         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
6482         (vec_heap_p_reserve_exact): New function.
6483         (vec_heap_o_reserve_exact): New function.
6484
6485 2007-01-17  Jan Hubicka  <jh@suse.cz>
6486
6487         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
6488
6489 2007-01-17  Eric Christopher  <echristo@apple.com>
6490
6491         * config.gcc: Support core2 processor.
6492
6493 2007-01-16  Jan Hubicka  <jh@suse.cz>
6494
6495         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
6496         the names, just unlink the chain so we don't crash on dangling pointers
6497         to dead SSA names.
6498
6499 2007-01-16  Jan Hubicka  <jh@suse.cz>
6500
6501         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
6502         * tree-pass.h: Reorder to make IPA passes appear toegher.
6503         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
6504         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
6505         parameters, do not call early inliner.
6506         * ipa-inline.c: Update comments.  Include tree-flow.h
6507         (cgraph_decide_inlining): Do not compute inlining parameters.
6508         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
6509         be called with function context set up.
6510         (pass_ipa_inline): Remove unreachable functions before pass.
6511         (cgraph_early_inlining): Simplify assuming to be called from the
6512         PM as local pass.
6513         (pass_early_inline): New pass.
6514         (cgraph_gate_ipa_early_inlining): New gate.
6515         (pass_ipa_early_inline): Turn into simple wrapper.
6516         (compute_inline_parameters): New function.
6517         (gate_inline_passes): New gate.
6518         (pass_inline_parameters): New pass.
6519         (apply_inline): Move here from tree-optimize.c
6520         (pass_apply_inline): New pass.
6521         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
6522         transforming.
6523         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
6524         doing them by hand.
6525         (tree_function_versioning): Do not allocate dummy struct function.
6526         * tree-inline.h (optimize_inline_calls): Update prototype.
6527         * tree-optimize.c (execute_fixup_cfg): Export.
6528         (pass_fixup_cfg): Remove
6529         (tree_rest_of_compilation): Do not apply inlines.
6530         * tree-flow.h (execute_fixup_cfg): Declare.
6531         * Makefile.in (gt-passes.c): New.
6532         * passes.c: Include gt-passes.h
6533         (init_optimization_passes): New passes.
6534         (nnodes, order): New static vars.
6535         (do_per_function_toporder): New function.
6536         (execute_one_pass): Dump current pass here.
6537         (execute_ipa_pass_list): Don't dump current pass here.
6538
6539 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
6540
6541         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
6542         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
6543
6544 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
6545
6546         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
6547         (strong_alias): Define.
6548         (__gcc_qmul): Provide non-FMA for soft-float.
6549         (__gcc_qdiv): Same.
6550         (__gcc_qneg): New.
6551         (__gcc_qeq): New.
6552         (__gcc_qle): New.
6553         (__gcc_qge): New.
6554         (__gcc_qunord): New.
6555         (__gcc_stoq): New.
6556         (__gcc_dtoq): New.
6557         (__gcc_qtos): New.
6558         (__gcc_qtod): New.
6559         (__gcc_qtoi): New.
6560         (__gcc_qtou): New.
6561         (__gcc_itoq): New.
6562         (__gcc_utoq): New.
6563         (fmsub): New.
6564         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
6565         soft-float functions.
6566         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
6567         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
6568         about long double soft float.
6569
6570 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
6571             Tehila Meyzels  <tehila@il.ibm.com>
6572
6573         * tree-vectorizer.h (is_pattern_stmt_p): New.
6574         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
6575         formatting (tabs instead of spaces). Cleanup and clarify setting
6576         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
6577         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
6578         (vectorizable_type_demotion): Check that types are integral.
6579         (vectorizable_type_promotion): Likewise.
6580         (vectorizable_store): Fix typo.  Eliminate new-line at end of
6581         comments.
6582
6583 2007-01-16  Jan Hubicka  <jh@suse.cz>
6584
6585         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
6586         cgraph edges too.
6587
6588 2007-01-15  Eric Christopher  <echristo@apple.com>
6589
6590         * ifcvt.c: Include vec.h, vecprim.h.
6591         (check_cond_move_block): New argument regs.
6592         Reorganize. Add registers used to regs.
6593         (cond_move_process_if_block): Use regs set above as
6594         loop bounds.
6595
6596 2007-01-15  Eric Christopher  <echristo@apple.com>
6597
6598         * config/darwin.h: Update copyright.
6599         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
6600         (LINK_COMMAND_SPEC): Add -u.
6601         (LINK_SPEC): Fix umbrella for above.
6602
6603 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
6604
6605         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
6606         glibc CVS.
6607
6608 2007-01-15  Tom Tromey  <tromey@redhat.com>
6609
6610         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
6611         * doc/install.texi (Testing): Don't mention jacks.
6612         (Configuration): Document --enable-java-maintainer-mode.  Move
6613         --with-java-home to libgcj-specific section.  Document
6614         --with-ecj-jar.
6615         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
6616
6617 2007-01-15  Jan Hubicka  <jh@suse.cz>
6618
6619         * tree-ssa-dce.c (DCE_TODOs): New.
6620         (propagate_necessity): Return if something changed.
6621         (eliminate_unnecessary_stmts): Likewise.
6622         (perform_tree_ssa_dce): Return TODO flags when needed.
6623         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
6624
6625 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
6626
6627         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
6628         (fyl2x_extend<mode>xf3_i387): New insn pattern.
6629         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
6630         patterns using X87MODEF12 mode macro.  Extend operand 1
6631         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6632         (log10<mode>2): Ditto.
6633         (log2<mode>2): Ditto.
6634         (log1p<mode>2): Ditto.
6635         (logb<mode>2): Ditto.
6636         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
6637         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
6638         (*fxtractxf3_i387): Rename from *fxtractxf3.
6639         (fxtract_extend<mode>xf3_i387): New insn pattern.
6640         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
6641         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
6642         and gen_fyl2xxf3_i387().
6643
6644 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
6645
6646         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
6647         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
6648         get_loop_exit_edges.  Changed return type to bool.
6649         * cfgloop.h (fix_loop_placement): Declaration removed.
6650
6651 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
6652
6653         * param.h (MIN_VECT_LOOP_BOUND): New.
6654         * params.def (MIN_VECT_LOOP_BOUND): New.
6655         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
6656         argument - minimum threshold for number of iterations.
6657         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
6658         argument to declaration.
6659         * tree-vect-analyze.c (vect_analyze_operations): Check value of
6660         MIN_VECT_LOOP_BOUND.
6661         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
6662         slpeel_tree_peel_loop_to_edge with additional argument.
6663         (vect_do_peeling_for_alignment): Likewise.
6664         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
6665
6666 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
6667
6668         PR target/30413
6669         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
6670         operands of size 1.
6671
6672 2007-01-14  Jan Hubicka  <jh@suse.cz>
6673
6674         * tree-dfa.c (remove_referenced_var): New function.
6675         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
6676         prune referenced vars list too.
6677         * tree-flow.h (remove_referenced_var): Declare.
6678
6679 2007-01-14  Jan Hubicka  <jh@suse.cz>
6680
6681         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
6682         separately.
6683         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
6684         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
6685         * except.h (verify_eh_throw_table_statements): Kill prototype.
6686         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
6687         into call exrepssions.
6688         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
6689         eh trhow verifier.
6690         * tree-cfg.c: Include pointer-set.h.
6691         (verify_node_sharing): Work on pointer set.
6692         (verify_eh_throw_stmt_node): New.
6693         (verify_stmts): Use pointers sets, verify throw_stmt.
6694
6695 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
6696
6697         * ipa-reference.c (analyze_function): Consider also addresses taken
6698         in phi nodes.
6699
6700 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6701
6702         * c-typeck.c (null_pointer_constant_p): Replace use of
6703         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6704         (build_c_cast): Likewise.
6705
6706 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6707
6708         * tree.h (force_fit_type_double): Remove unused final argument.
6709         * c-common.c (constant_expression_warning): Replace use of
6710         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6711         (convert_and_check): Likewise.
6712         (shorten_compare): Update call to force_fit_type_double.
6713         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
6714         * convert.c (convert_to_pointer): Update call to
6715         force_fit_type_double.
6716         * fold-const.c (force_fit_type_double): Remove overflowed_const
6717         argument.
6718         (int_const_binop, fold_convert_const_int_from_int,
6719         fold_convert_const_int_from_real, fold_div_compare,
6720         fold_sign_changed_comparison, fold_unary, fold_negate_const,
6721         fold_abs_const, fold_not_const): Remove the final argument from
6722         calls to force_fit_type_double.
6723
6724 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6725
6726         * configure.ac: Set insn to "nop" for spu-*-* also.
6727         * configure: Regenerate.
6728
6729 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
6730
6731         * builtins.def : Add BUILT_IN_FREE.
6732
6733 2007-01-12  Jan Hubicka  <jh@suse.cz>
6734
6735         PR tree-optimization/30443
6736         * tree-inline.c (tree_function_versioning): Do not optimize when
6737         cloning for inlining.
6738
6739 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
6740
6741         * doc/loop.texi: Document recording of loop exits.
6742         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
6743         (update_single_exits_after_duplication,
6744         update_single_exit_for_duplicated_loop,
6745         update_single_exit_for_duplicated_loops): Removed.
6746         (duplicate_loop_to_header_edge): Do not call
6747         update_single_exits_after_duplication and
6748         update_single_exit_for_duplicated_loops.
6749         (loop_version): Do not update single_exit information.
6750         (fix_loop_structure): Use record_loop_exits instead of
6751         mark_single_exit_loops.
6752         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
6753         the lists of loop exits.
6754         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
6755         split_edge, merge_blocks): Update the lists of loop exits.
6756         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
6757         loop_optimizer_init.
6758         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
6759         of mark_single_exit_loops.
6760         (loop_optimizer_finalize): Call release_recorded_exits.
6761         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
6762         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
6763         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
6764         update single exit information.
6765         * lambda-code.c (perfect_nestify): Ditto.
6766         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
6767         (mark_single_exit_loops): Removed.
6768         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
6769         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
6770         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
6771         functions.
6772         (get_loop_exit_edges, single_exit): Use recorded exit lists.
6773         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
6774         (verify_loop_structure): Verify consistency of the exit lists.
6775         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
6776         (set_single_exit): Removed.
6777         * cfgloop.h (struct loop_exit): New function.
6778         (struct loop): single_exit_ field replaced by exits field.
6779         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
6780         (struct loops): Added exits hash.
6781         (mark_single_exit_loops, set_single_exit): Declaration removed.
6782         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
6783
6784 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6785
6786         * doc/invoke.texi: Avoid use of @headitem.
6787
6788 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6789
6790         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
6791
6792 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6793
6794         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
6795         list of targets.
6796
6797 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6798             Richard Sandiford  <richard@codesourcery.com>
6799
6800         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
6801         * config/m68k/m68k.opt: Resort options.
6802         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
6803
6804 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6805             Richard Sandiford  <richard@codesourcery.com>
6806
6807         * doc/invoke.texi: Document the macros that are defined by
6808         m68k's -mtune and -mhard-float options.
6809         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
6810         (m68k_cpp_cpu_family): Likewise.
6811         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
6812         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
6813         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
6814         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
6815         (m68k_cpp_cpu_family): Likewise.
6816
6817 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6818
6819         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
6820         macros besides mc68000 as tuning macros.  Use a switch statement
6821         to set them and mcpu32.
6822
6823 2007-01-12  Julian Brown  <julian@codesourcery.com>
6824
6825         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
6826         (TARGET_68040_ONLY): Rename to...
6827         (TARGET_68040): ...this.
6828         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
6829         * config/m68k/m68k.md: Likewise.
6830
6831 2007-01-12  Julian Brown  <julian@codesourcery.com>
6832             Nathan Sidwell  <nathan@codesourcery.com>
6833             Richard Sandiford  <richard@codesourcery.com>
6834
6835         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
6836         the -mcpu= argument associated with the --with-cpu setting.
6837         Define M68K_DEFAULT_TUNE to the default -mtune= option,
6838         if different from the one implied by the -mcpu setting.
6839         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
6840         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
6841         * doc/invoke.texi: Mention ColdFire in the introduction to the
6842         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
6843         -mno-div and -mhard-float options.  Make -m68881 a synonym for
6844         -mhard-float.  Document the previously-undocumented -m5206e,
6845         -m528x, -m5307 and -m5407 options.  Tweak the existing option
6846         documentation for consistency.
6847         * doc/install.texi: Mention new --with-cpu arguments.
6848         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
6849         default CPU if neither -mcpu nor -march are specified.
6850         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
6851         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
6852         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
6853         using m68k_tune to decide between families that implement the
6854         same ISA.  Use m68k_tune to set __mcfv4e__.
6855         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
6856         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
6857         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
6858         (FL_ISA_C, FL_ISA_MMU): New macros.
6859         (MASK_COLDFIRE): Delete.
6860         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
6861         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
6862         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
6863         (TARGET_HARD_FLOAT): Do not define here.
6864         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
6865         (TUNE_68000): New macro.
6866         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
6867         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
6868         (TUNE_CFV2): Redefine in terms of m68k_tune.
6869         (uarch_type, target_device, fpu_type): New enums.
6870         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
6871         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
6872         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
6873         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
6874         (FL_FOR_isa_c): New macros.
6875         (m68k_isa): New enum.
6876         (m68k_target_selection): New structure.
6877         (all_devices, all_isas, all_microarchs): New tables.
6878         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
6879         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
6880         (MASK_ALL_CPU_BITS): Delete.
6881         (m68k_find_selection): New function.
6882         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
6883         Map the legacy target options to a combination of the new ones.
6884         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
6885         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
6886         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
6887         settings.
6888         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
6889         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
6890         properties.
6891         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
6892         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
6893         * config/m68k/m68k-devices.def: New file.
6894
6895 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6896             Nathan Sidwell  <nathan@codesourcery.com>
6897
6898         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
6899         (SUBTARGET_EXTRA_SPECS): New macros.
6900         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
6901         use %(asm_cpu_spec) instead.
6902         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
6903         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
6904         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
6905         (EXTRA_SPECS): Rename to...
6906         (SUBTARGET_EXTRA_SPECS): ...this.
6907
6908 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6909             Richard Sandiford  <richard@codesourcery.com>
6910             Julian Brown  <julian@codesourcery.com>
6911
6912         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6913         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
6914         to the configuration's default CPU.
6915         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
6916         Remove default masks.
6917         (m680[012]0-*-*): Set the default with_cpu to the first part of
6918         the target name.
6919         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
6920         (m68k*-*-linux): Extend the --with-cpu handling to...
6921         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
6922         and m68010.  Don't set target_cpu_default2.
6923         * doc/install.texi: Document --with-cpu for m68k.
6924         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
6925         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
6926         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
6927         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
6928         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
6929         (ASM_SPEC): Remove use of %(asm_cpu_default).
6930         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
6931         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
6932         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
6933         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
6934         __HAVE_FPU__ if TARGET_HARD_FLOAT.
6935         (TARGET_DEFAULT): Delete.
6936         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
6937         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
6938         (CPP_CPU_SPEC): Delete.
6939         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
6940         the appropriate string.
6941         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
6942         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
6943         (ASM_SPEC): Don't use %(asm_default_spec).
6944         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6945         TARGET_DEFAULT and add MASK_68881.
6946         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
6947
6948 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6949
6950         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
6951         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
6952         MASK_68010 alongside MASK_68020.
6953         * doc/invoke.texi: Document -m68010.
6954         * config/m68k/m68k.opt (m68010): New.
6955         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
6956         if TUNE_68010.
6957         (TUNE_68010): New macro.
6958         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
6959         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
6960         (M68K_CPU_m68332): Add MASK_68010.
6961         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
6962         fallback definition.
6963         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
6964         defines.
6965         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
6966         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
6967         to all entries that use MASK_68020.
6968         (output_move_simode_const, output_move_himode, output_move_qimode)
6969         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
6970         instead of TARGET_68020 to select clr behavior.  Remove comment
6971         about there being no TARGET_68010.
6972         * config/m68k/m68k.md: Likewise throughout.
6973
6974 2007-01-12  Julian Brown  <julian@codesourcery.com>
6975
6976         * config/m68k/m68k.h (TARGET_ISAB): New macro.
6977         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
6978         * config/m68k/m68k.md: Likewise.
6979
6980 2007-01-12  Julian Brown  <julian@codesourcery.com>
6981
6982         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
6983         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
6984
6985 2007-01-12  Julian Brown  <julian@codesourcery.com>
6986
6987         * config/m68k/m68k.h (TUNE_68040_60): New macro.
6988         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
6989         * config/m68k/m68k.md: Likewise.
6990
6991 2007-01-12  Julian Brown  <julian@codesourcery.com>
6992             Richard Sandiford  <richard@codesourcery.com>
6993
6994         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
6995         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
6996         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
6997         TARGET_CPU32.
6998         (TARGET_CPU32): Rename to...
6999         (TUNE_CPU32): ...this.
7000         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7001         (TUNE_CFV2): New macros.
7002         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7003         remove conditions that are implied by TARGET_68020.
7004         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7005         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7006         (m68k_output_function_epilogue): Likewise.
7007         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
7008         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
7009         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7010         non-68000 timings.  Refactor multiplication and division costs.
7011         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7012         TUNE_CPU32 instead of TARGET_CPU32.
7013         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7014         and TUNE_68060 instead of TARGET_68060.
7015         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7016         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7017         TARGET_CPU32.
7018         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7019         && !TARGET_COLDFIRE" to choose between moveq and clr.
7020         Likewise in the unnamed movsf pattern.
7021         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7022         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
7023         ashiftrt pattern.
7024
7025 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7026
7027         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7028         of tabbing before backslashes.
7029
7030 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7031
7032         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7033         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7034         (ASM_OUTPUT_INTERNAL_LABEL): Define.
7035
7036 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7037
7038         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7039         find_interesting_uses_cond.
7040         (find_interesting_uses_cond): Use extract_cond_operands.
7041         (rewrite_use_compare): Use extract_cond_operands and
7042         force_gimple_operand_bsi.  Do not call update_stmt.
7043         (determine_use_iv_cost_condition): Use extract_cond_operands.
7044         Return cheaper of using original bound and changing the exit bound.
7045
7046 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7047
7048         PR tree-optimization/29516
7049         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7050         most_expensive_mult_to_index, addr_to_parts,
7051         create_mem_ref, maybe_fold_tmr): Make the type of
7052         fields of TARGET_MEM_REF sizetype.
7053         (move_fixed_address_to_symbol, move_pointer_to_base):
7054         New functions.
7055         * tree.def (TARGET_MEM_REF): Add comment on types of
7056         the operands.
7057
7058 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
7059
7060         * c-common.c (vector_types_convertible_p): Treat opaque types as
7061         always convertible if they have the same size, but not otherwise.
7062
7063 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
7064
7065         * ifcvt.c (struct noce_if_info): Add comments to the fields.
7066         Remove the b_unconditional field.
7067         (noce_try_sign_mask): Do not look at b_unconditional.
7068         (noce_process_if_block): Do not use merge_if_blocks.  Update
7069         the CFG here.  Do not set b_unconditional.
7070         (cond_move_process_if_block): Likewise.
7071         (find_cond_trap): Likewise.
7072         (check_cond_move_block): Require simple jump insns at the end
7073         of the basic block.
7074
7075 2007-01-11  Jan Hubicka  <jh@suse.cz>
7076
7077         PR tree-optimization/1046
7078         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7079         when alias info is not ready.
7080         (pass_tail_recursion): Do not require aliasing.
7081         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7082         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7083         * tree-ssa-copy.c (pass_copy_prop): Likewise.
7084         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7085         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7086         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7087         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7088         before inlining.
7089         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7090         When aliasing is not build, mark statement as volatile.
7091
7092 2007-01-11  Tom Tromey  <tromey@redhat.com>
7093
7094         PR preprocessor/15185, PR preprocessor/20989:
7095         * doc/cppopts.texi <-MT>: Update description of algorithm for
7096         computing default target.
7097         <-M, -MD>: Reword "basename" text.
7098
7099 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7100
7101         * builtins.c (expand_builtin_pow, expand_builtin_powi,
7102         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7103         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7104         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7105         fold_builtin_bswap, real_constp, fold_builtin_pow,
7106         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7107         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7108         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7109         * convert.c (convert_to_pointer): Likewise.
7110         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7111         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7112         const_binop, fold_convert_const_int_from_int,
7113         fold_convert_const_int_from_real,
7114         fold_convert_const_real_from_real, sign_bit_p,
7115         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7116         fold_sign_changed_comparison, fold_unary, fold_comparison,
7117         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7118         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7119         * print-tree.c (print_node_brief, print_node): Likewise.
7120         * stor-layout.c (place_field, layout_type): Likewise.
7121         * tree-chrec.c (keep_cast): Likewise.
7122         * tree.c (build_vector, build_real, build_real_from_int_cst,
7123         build_complex): Likewise.
7124
7125 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7126
7127         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
7128         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7129
7130 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
7131
7132         * configure.ac (strict1_warn): Rename to strict_warn.
7133         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7134         cc_set_by_configure, quoted_cc_set_by_configure,
7135         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7136         all_boot_languages, all_stagestuff): Remove.
7137         (target_list): Remove bootstrap targets.
7138         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7139         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7140         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7141         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7142         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7143         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7144         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7145         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7146         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7147         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7148         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7149         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7150         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7151         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7152         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7153         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7154         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7155         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7156         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7157         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7158         (mostlyclean): Adjust.
7159         (clean, distclean): Don't mention bootstrap stuff.
7160         * configure: Regenerate.
7161         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7162         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7163         treelang/config-lang.in (stagestuff): Remove.
7164         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7165         stageprofile, stagefeedback, stagestuff): Remove mention.
7166
7167 2007-01-11  Nick Clifton  <nickc@redhat.com>
7168
7169         * config/mcore/predicates.md (mcore_general_movesrc_operand):
7170         Accept CONSTs.
7171         (mcore_general_movdst_operand): Do not accept CONST_INTs.
7172         (mcore_arith_K_S_operand): Run the test for the S constraint not
7173         the test for the M constraint.
7174         (mcore_addsub_operand): Do not accept integer values that are
7175         larger than 32 bits.
7176         * config/mcore/mcore.md: Remove unused constraints from split.
7177         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7178         (addsi3): Likewise.
7179         (allocate_stack): Likewise.
7180         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7181         operands to 32 bits.
7182         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7183         INTVAL.
7184         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7185         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7186         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7187         mcore_output_bclri, mcore_output_andn, output_inline_const,
7188         mcore_output_move, mcore_output_movedouble): Likewise.
7189         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7190         (output_inline_const): Likewise.
7191         (output_inline_const): Fix format strings used in sprintf
7192         statements.
7193         * config/mcore/mcore-protos.h: Update prototypes for changed
7194         functions in mcore.c.
7195         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7196         HOST_WIDE_INT and not int.
7197         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7198         CONST_OK_FOR_N): Likewise.
7199         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7200         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7201         an INTVAL.
7202
7203 2007-01-10  Jan Hubicka  <jh@suse.cz>
7204
7205         * tree-vrp.c (remove_range_assertions): Release defs.
7206         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7207         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7208
7209 2007-01-10  Paul Brook  <paul@codesourcery.com>
7210
7211         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7212         * config/arm/arm.md (mulsi3subsi): New insn.
7213
7214 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
7215
7216         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7217         (tree_transform_and_unroll_loop): New.
7218         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7219         Declare.
7220
7221 2007-01-10  Robert Kennedy <jimbob@google.com>
7222
7223         * fold-const.c (fold_comparison): Fold comparisons like (x *
7224         1000 < 0) to (x < 0).
7225
7226 2007-01-10  Ian Lance Taylor  <iant@google.com>
7227
7228         * tree-pretty-print.c (dump_generic_node): Print parentheses when
7229         operands have the same priority.
7230
7231 2007-01-10  Tom Tromey  <tromey@redhat.com>
7232
7233         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7234         (fold_binary): Likewise.
7235         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7236         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7237         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7238         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7239         * langhooks.h (struct lang_hooks): Removed field
7240         'can_use_bit_fields_p'.
7241
7242 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
7243
7244         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7245
7246 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
7247
7248         * function.c (get_last_funcdef_no): New function.
7249         * function.h (get_last_funcdef_no): Declare.
7250         * tree-inline.c (initialize_cfun): Add initialization.
7251         (tree_function_versioning): Cleanup.
7252
7253 2007-01-10  Jan Hubicka  <jh@suse.cz>
7254
7255         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7256         PHIs.
7257
7258 2007-01-10  Sa Liu  <saliu@de.ibm.com>
7259             Ben Elliston  <bje@au.ibm.com>
7260
7261         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7262         for SAVE_NONLOCAL and Pmode for any other save level.
7263         * spu-protos.h (spu_restore_stack_block): Declare.
7264         * spu.md (save_stack_block): Remove.
7265         (restore_stack_block): Call spu_restore_stack_block.
7266         * spu.c (spu_restore_stack_block): New function.
7267         (spu_expand_epilogue): Remove old comment.
7268
7269 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
7270
7271         PR tree-optimization/30322
7272         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7273         (cand_value_at): Return the value as aff_tree.
7274         (may_eliminate_iv): Convert the bound from aff_tree to tree.
7275         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7276         aff_combination_mult): New functions.
7277         (aff_combination_add): Use aff_combination_add_cst.
7278         (aff_combination_convert): Allow conversions to a wider type.
7279         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7280         * tree-affine.h (aff_combination_mult): Declare.
7281
7282 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
7283
7284         * doc/tm.texi: Update documentation to reflect reality of exec
7285         and start file search behaviours. Update copyright year.
7286         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7287         header file directories.
7288
7289 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
7290
7291         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7292         (*cosxf2): Rename to cosxf2_i387.
7293         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
7294         using X87MODEF12 mode macro. Rename patterns to
7295         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
7296         for SSE math.
7297         (*cosdf2, *cossf2): Ditto.
7298         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
7299         to match extended input operands.
7300         (sincos<mode>3): New expander.
7301         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7302         insn patterns and corresponding splitters.
7303
7304 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
7305
7306         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7307         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7308
7309 2007-01-09  Nicolas Pitre  <nico@cam.org>
7310
7311         PR target/30173
7312         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7313
7314 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
7315
7316         * target.h (struct gcc_target): New field library_rtti_comdat.
7317         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7318         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7319         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7320         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7321
7322 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
7323
7324         * doc/invoke.texi (Optimize Options): Correct description of -O0.
7325
7326 2007-01-08  Richard Guenther  <rguenther@suse.de>
7327
7328         * tree.h (force_fit_type_double): Export.
7329         (force_fit_type): Remove.
7330         * fold-const.c (force_fit_type_double): New function.
7331         (force_fit_type): Remove.
7332         (int_const_binop): Use it.
7333         (fold_convert_const_int_from_int): Likewise.
7334         (fold_convert_const_int_from_real): Likewise.
7335         (fold_div_compare): Likewise.
7336         (fold_sign_changed_comparison): Likewise.
7337         (fold_unary): Likewise.
7338         (fold_negate_const): Likewise.
7339         (fold_abs_const): Likewise.
7340         (fold_not_const): Likewise.
7341         * c-common.c (shorten_compare): Use force_fit_type_double.
7342         * convert.c (convert_to_pointer): Likewise.
7343
7344 2007-01-08  Richard Guenther  <rguenther@suse.de>
7345
7346         * tree.h (build_int_cst_wide_type): Export.
7347         * tree.c (build_int_cst_wide_type): New function.
7348         (build_int_cst_wide): Fix comment.
7349         * builtins.c (fold_builtin_object_size): Use build_int_cst
7350         to build -1 or 0 of the correct type.  Use fit_double_type
7351         to check for overflow.
7352         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7353         to build the mask.
7354         (decode_field_reference): Likewise.
7355         (all_ones_mask_p): Likewise.
7356         (native_interpret_int): Use build_int_cst_wide_type.
7357         (fold_binary): Use build_int_cst_type to build an all-ones
7358         value.
7359         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7360
7361 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
7362
7363         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7364
7365 2007-01-09  Ben Elliston  <bje@au.ibm.com>
7366
7367         * genautomata.c (STATS_OPTION): New option.
7368         (stats_flag): New flag.
7369         (gen_automata_option): Handle it.
7370         (initiate_automaton_gen): Ditto.
7371         (write_automata): Output statistics only if stats_flag is
7372         set. Likewise, output time statistics only if time_flag is set.
7373         * doc/md.texi (Processor pipeline description): Document new flag.
7374
7375 2007-01-08  Richard Guenther  <rguenther@suse.de>
7376
7377         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7378         * tree.c (build_int_cst_type): Likewise.
7379         (size_in_bytes): Don't call force_fit_type on the result.
7380         (int_fits_type_p): Use fit_double_type.
7381         * fold-const.c (fit_double_type): New function.
7382         (force_fit_type): Use it.
7383         * tree.h (fit_double_type): Export.
7384
7385 2007-01-08  Jan Hubicka  <jh@suse.cz>
7386
7387         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7388         * ipa.c (function_and_variable_visibility): Fix return type.
7389
7390 2007-01-08  Richard Guenther  <rguenther@suse.de>
7391
7392         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7393         of offset to build the index.
7394         * tree-pretty-print.c (dump_generic_node): Don't build negated
7395         const just for printing.
7396         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7397         * builtins.c (fold_builtin_int_roundingfn): Check if result
7398         fits the type by using force_fit_type and comparing the result.
7399         * predict.c (predict_loops): Use compare_tree_int for comparison.
7400         * tree.c (build_int_cst): Fall back to integer_type_node for
7401         NULL_TREE type.
7402         (build_int_cst_wide): Assert type is non-null.
7403
7404 2007-01-08  Roberto Costa  <roberto.costa@st.com>
7405
7406         * tree-vrp.c (extract_range_from_cond_expr): New.
7407         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7408         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7409         as expressions.
7410         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7411         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7412         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7413         used as expressions.
7414         * tree-object-size.c (cond_expr_object_size): New.
7415         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7416
7417 2007-01-08  Jan Hubicka  <jh@suse.cz>
7418
7419         * tree-ssa-forwprop.c (forward_propagate_into_cond,
7420         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7421         statement.
7422
7423 2007-01-08  Richard Guenther  <rguenther@suse.de>
7424
7425         PR tree-optimization/23603
7426         * tree-vrp.c (set_value_range_to_truthvalue): New function.
7427         (extract_range_from_binary): Fall back to truthvalue instead of
7428         varying for TRUTH_*_EXPR.
7429         (extract_range_from_comparison): Fall back to truthvalue instead of
7430         varying.
7431         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7432         if all visited PHI values were constant.
7433
7434 2007-01-08  Jan Hubicka  <jh@suse.cz>
7435
7436         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7437         (cgraph_analyze_function): break out from ...
7438         (cgraph_finalize_compilation_unit): ... here.
7439         (cgraph_expand_function): Remove forgoten commented out line.
7440         (cgraph_optimize): Analyze functions.
7441
7442 2007-01-08  Jan Hubicka  <jh@suse.cz>
7443
7444         * tree-pas.h (TODO_remove_function): New flag.
7445         (TODO_update*): Renumber.
7446         (pass_ipa_increase_alignment,
7447         pass_ipa_function_and_variable_visibility): New passes.
7448         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
7449         (cgraph_function_and_variable_visibility): Move to ipa.c
7450         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
7451         cgraph_increase_alignment.
7452         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
7453         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
7454         calling tree-inline.
7455         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
7456         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
7457         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
7458         (gate_increase_alignment): New function.
7459         (pass_ipa_increase_alignment): New pass.
7460         * ipa.c: Inline tree-pass.h and timevar.h
7461         (function_and_variable_visibility): Move here from cgraphunit.c
7462         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
7463         * passes.c (init_optimization_passes): Add the two new passes.
7464         (execute_todo): Handle cgraph_remove_functions.
7465
7466 2007-01-08  Nick Clifton  <nickc@redhat.com>
7467
7468         * config/frv/predicates.md (reg_or_0_operand): Accept
7469         CONST_DOUBLEs.
7470
7471 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
7472
7473         * config/bfin/rtems.h, config/bfin/t-rtems: New.
7474         * config.gcc: Add bfin*-rtems*.
7475
7476 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
7477
7478         * c.opt: Add -flax-vector-conversions.
7479         * c-typeck.c (convert_for_assignment): Pass flag to
7480         vector_types_convertible_p to allow emission of note.
7481         (digest_init): Likewise.
7482         * c-opts.c: Handle -flax-vector-conversions.
7483         * c-common.c (flag_lax_vector_conversions): New.
7484         (vector_types_convertible_p): Unless -flax-vector conversions
7485         has been passed, disallow conversions between vectors with
7486         differing numbers of subparts and/or element types.  If such
7487         a conversion is disallowed, possibly emit a note on the first
7488         occasion only to inform the user of -flax-vector-conversions.
7489         The new last argument specifies this.
7490         * c-common.h (flag_lax_vector_conversions): New.
7491         (vector_types_convertible_p): Add extra argument.
7492         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
7493         char_type_node for V*QI type vectors.
7494         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
7495         Update to satisfy new typechecking rules.
7496         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
7497         C and C++ variants.
7498         * doc/invoke.texi (C Dialect Options): Document
7499         -flax-vector-conversions.
7500
7501 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
7502
7503         PR tree-optimization/29877
7504         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
7505         a register variable on the RHS to not be replaceable.
7506
7507 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
7508         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
7509         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
7510         const_simm15, const_pow2, const_npow2): Added.
7511         * config/score/misc.md (insv, extv, extzv, movmemsi,
7512         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
7513         * config/score/score.c (score_address_cost, score_select_cc_mode):
7514         Added.
7515         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
7516         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
7517         Update score_print_operand.
7518         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
7519         Adjust register allocate order and update some macro define.
7520         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
7521         mdx_block_move_straight, mdx_block_move_loop_head,
7522         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
7523         mdx_block_move): Added.
7524         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
7525         mdp_limm): Updated and fix some bug and typo.
7526         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
7527         (movsf, movdf, doloop_end): Added.
7528
7529 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
7530
7531         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
7532         config/arm/thumb2.md: Fix comment typos.
7533         * doc/extend.texi: Fix a typo.
7534
7535 2007-01-07  Eric Christopher  <echristo@apple.com>
7536
7537         * configure.ac: Check for __stack_chk_fail for darwin.
7538         * configure: Regenerate.
7539
7540 2007-01-07  Richard Guenther  <rguenther@suse.de>
7541
7542         * tree-vrp.c (extract_range_from_assert): CSE calls to
7543         compare_values where possible.
7544         (extract_range_from_unary_expr): Likewise.
7545
7546 2007-01-07  Anatoly Sokolov <aesok@post.ru>
7547
7548         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
7549         * config/avr/avr.c (call_insn_operand): Delete function.
7550         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
7551         instead of register number. Use predicates.
7552         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
7553         call_insn_operand): Add.
7554
7555 2007-01-06  Jan Hubicka  <jh@suse.cz>
7556
7557         * tree-pass.h (pass_build_cgraph_edges): Declare.
7558         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
7559         (visited_nodes): Remove.
7560         (cgraph_create_edges): Move to cgraphbuild.c; rename to
7561         build_cgrpah_edges; make visited_nodes local.
7562         (cgraph_process_new_functions): DO not call initialize_inline_failed.
7563         (record_references_in_initializer): Move to cgraphbuild.c
7564         (initialize_inline_failed, rebuild_cgraph_edges,
7565         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
7566         (verify_cgraph_node): Make visited_nodes local.
7567         (cgraph_analyze_function): Do not call cgraph_create_edges and
7568         initialize_inline_failed.
7569         (cgraph_expand_function): Do not call cgraph_lower_function;
7570         assert that function is already lowered.
7571         * Makefile.in (cgraphbuild.o): New.
7572         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
7573         at the end of lowering passes.
7574
7575 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
7576
7577         * ifcvt.c (cond_move_convert_if_block): New function, code
7578         factored out from...
7579         (cond_move_process_if_block): ...here.  Call the new function
7580         on the THEN and ELSE blocks.
7581         (merge_if_block): Do not copy global_live_at_end, merge_blocks
7582         already takes care of this.
7583
7584 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7585
7586         PR c/19978
7587         * tree.h (TREE_OVERFLOW_P): New.
7588         * c-typeck.c (parser_build_unary_op): Warn only if result
7589         overflowed and operands did not.
7590         (parser_build_binary_op): Likewise.
7591         (convert_for_assignment): Remove redundant overflow_warning.
7592         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
7593
7594 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7595
7596         * c-typeck.c (store_init_value): Split over two lines to follow
7597         the GNU coding style.
7598
7599 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
7600
7601         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
7602         __GXX_EXPERIMENTAL_CXX0X__.
7603         * doc/cpp.texi: Same.
7604
7605 2007-01-05  Richard Guenther  <rguenther@suse.de>
7606
7607         PR middle-end/27826
7608         * tree.c (get_narrower): Do not construct COMPONENT_REFs
7609         with mismatched types.  Instead explicitly build a
7610         conversion NOP_EXPR.
7611
7612 2007-01-05  Ian Lance Taylor  <iant@google.com>
7613
7614         * c-common.c (decl_with_nonnull_addr_p): New function.
7615         (c_common_truthvalue_conversion): Call it.
7616         * c-typeck.c (build_binary_op): Likewise.
7617         * c-common.h (decl_with_nonnull_addr_p): Declare.
7618
7619 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
7620
7621         PR c/30360
7622         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
7623         denom against 0.0.
7624
7625 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
7626
7627         * doc/install.texi (Final install): Document the fact that
7628         the GNAT runtime should not be stripped.
7629
7630 2007-01-04  Jan Hubicka  <jh@suse.cz>
7631
7632         * tree-inline.c (fold_marked_statements): Update operand caches
7633         and EH after folding
7634
7635 2007-01-04  Ian Lance Taylor  <iant@google.com>
7636
7637         * c-common.c (check_function_nonnull): Whitespace fix.
7638
7639 2007-01-04  Jan Hubicka  <jh@suse.cz>
7640
7641         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
7642         comitted older version of patch.
7643         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
7644         function, celanup cfg and collect garbage.
7645
7646 2007-01-04  Mike Stump  <mrs@apple.com>
7647
7648         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
7649         (clean): Likewise.
7650
7651 2007-01-04  Eric Christopher  <echristo@apple.com>
7652
7653         * libgcc2.c (__bswapsi2): Use SItype.
7654         (__bswapdi2): Use DItype.
7655         * libgcc2.h: Update for above.
7656
7657 2007-01-04  Paul Brook  <paul@codesourcery.com>
7658
7659         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
7660         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
7661         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
7662         umulsidi3, umulsidi3adddi, smulsi3_highpart,
7663         umulsi3_highpart): Make conditional on !arm_arch6.
7664         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
7665         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
7666         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
7667         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
7668         umulsi3_highpart_v6): New insns.
7669
7670 2007-01-04  Roger Sayle  <roger@eyesopen.com>
7671
7672         * fold-const.c (fold_convert): When casting an expression to void,
7673         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
7674         have a type.  Instead of attempting to build a NOP_EXPR, return
7675         these "special" trees directly.
7676
7677 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
7678
7679         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
7680         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
7681         rs6000_cost->fp not 0 as adjustment for outer NEG.
7682
7683 2007-01-04  Jan Hubicka  <jh@suse.cz>
7684
7685         * cgraph.c (cgraph_release_function_body): New function.
7686         (cgraph_remove_node): Use it.
7687         * cgraph.h (cgraph_release_function_body): Declare.
7688         * cgraphunit.c (cgraph_expand_function): Use it.
7689         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
7690         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
7691         is initialized and while compilation of other function is running.
7692         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
7693         statement CFG annotations from here to ...
7694         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
7695
7696 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
7697
7698         * cfgloop.h (enum li_flags): Make the constants powers of two.
7699
7700 2007-01-04  Jan Hubicka  <jh@suse.cz>
7701
7702         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
7703         set.
7704         (fold_marked_statements): New function.
7705         (optimize_inline_calls, tree_function_versioning): Fold new statements.
7706         * tree-inline.h (copy_body_data): Add statements_to_fold.
7707
7708 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
7709
7710         * config.gcc: Mention libgcc/config.host.
7711         * Makefile.in: Update comments mentioning libgcc.
7712         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
7713         (all.cross, start.encap, rest.encap, rest.cross): Update
7714         dependencies for libgcc move.
7715         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
7716         (clean-target, clean-target-libgcc): Delete.
7717         (srcdirify, GCC_EXTRA_PARTS): New macros.
7718         (libgcc-support, libgcc.mvars): New rules.
7719         (distclean): Remove mention of mklibgcc.
7720         (install): Don't reference INSTALL_LIBGCC.
7721         (install-common): Don't reference EXTRA_PARTS.
7722         (install-libgcc, install-multilib): Delete rules.
7723         * mklibgcc.in: Delete file.
7724         * doc/configfiles.texi: Don't mention mklibgcc.
7725
7726         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
7727         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
7728         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
7729         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
7730         (mklibgcc, ldblspecs): Likewise.
7731
7732         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
7733         (posixpre.def): Use $(T).
7734         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
7735         (SHLIB_SRC, SHLIB_INSTALL): Delete.
7736         (SHLIB_LINK): Make dummy.
7737         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
7738
7739         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
7740
7741         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
7742         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
7743         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
7744         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
7745
7746         * configure.ac (all_outputs): Remove mklibgcc.
7747         * configure: Regenerated.
7748
7749 2007-01-03  Josh Conner  <jconner@apple.com>
7750
7751         PR middle-end/29683
7752         * calls.c (compute_argument_addresses): Set stack and stack_slot
7753         for partial args, too.
7754         (store_one_arg): Use locate.size.constant for the size when
7755         generating a save_area.
7756
7757 2007-01-03  Robert Kennedy <jimbob@google.com>
7758
7759         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
7760         whose definitions are deleted due to basic block merging.
7761
7762 2007-01-03  Paul Brook  <paul@codesourcery.com>
7763
7764         PR target/16634
7765         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
7766         functions.
7767         (use_return_insn): Return 0 for Thumb interrupt functions.
7768         (print_multi_reg): Add rfe argument for IRQ returns.
7769         (arm_output_epilogue): Pop interrupt return address directly into PC.
7770         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
7771
7772 2007-01-03  Paul Brook  <paul@codesourcery.com>
7773
7774         Merge from sourcerygxx-4_1.
7775         * config/arm/thumb2.md: New file.
7776         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
7777         Thumb-2.
7778         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
7779         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7780         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
7781         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
7782         tables.
7783         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7784         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
7785         comptibility.
7786         * config/arm/ieee754-sf.S: Ditto.
7787         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
7788         (thumb1_base_register_rtx_p): ... to this.
7789         (thumb_index_register_rtx_p): Rename...
7790         (thumb1_index_register_rtx_p): ... to this.
7791         (thumb_output_function_prologue): Rename...
7792         (thumb1_output_function_prologue): ... to this.
7793         (thumb_legitimate_address_p): Rename...
7794         (thumb1_legitimate_address_p): ... to this.
7795         (thumb_rtx_costs): Rename...
7796         (thumb1_rtx_costs): ... to this.
7797         (thumb_compute_save_reg_mask): Rename...
7798         (thumb1_compute_save_reg_mask): ... to this.
7799         (thumb_final_prescan_insn): Rename...
7800         (thumb1_final_prescan_insn): ... to this.
7801         (thumb_expand_epilogue): Rename...
7802         (thumb1_expand_epilogue): ... to this.
7803         (arm_unwind_emit_stm): Rename...
7804         (arm_unwind_emit_sequence): ... to this.
7805         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
7806         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
7807         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
7808         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
7809         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
7810         thumb2_output_casesi): New functions.
7811         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
7812         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
7813         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
7814         THUMB2_WORK_REGS): Define.
7815         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
7816         arm_condexec_mask, arm_condexec_masklen)): New variables.
7817         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
7818         (arm_override_options): Check new CPU capabilities.
7819         Set new architecture flag variables.
7820         (arm_isr_value): Handle v7m interrupt functions.
7821         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
7822         Thumb-2.
7823         (const_ok_for_arm): Handle Thumb-2 constants.
7824         (arm_gen_constant): Ditto.  Use movw when available.
7825         (arm_function_ok_for_sibcall): Return false for v7m interrupt
7826         functions.
7827         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
7828         (thumb_find_work_register, arm_load_pic_register,
7829         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
7830         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
7831         print_multi_reg, output_mov_long_double_fpa_from_arm,
7832         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
7833         output_mov_double_fpa_from_arm, output_move_double,
7834         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
7835         output_return_instruction, arm_output_function_prologue,
7836         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
7837         arm_output_mi_thunk, thumb_set_return_address): Ditto.
7838         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
7839         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
7840         (arithmetic_instr, shift_op): Use arm_shift_nmem.
7841         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
7842         '!' and 'L'.
7843         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
7844         (thumb_expand_prologue): Use thumb_set_frame_pointer.
7845         (arm_file_start): Output directive for unified syntax.
7846         (arm_unwind_emit_set): Handle stack alignment instruction.
7847         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
7848         Add v6t2, v7, v7a, v7r and v7m.
7849         (RETLDM): Add Thumb-2 code.
7850         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
7851         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
7852         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
7853         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
7854         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
7855         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
7856         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
7857         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
7858         ADJUST_INSN_LENGTH): Define.
7859         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
7860         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
7861         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
7862         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
7863         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
7864         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
7865         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
7866         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
7867         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
7868         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
7869         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
7870         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
7871         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
7872         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
7873         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
7874         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
7875         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
7876         cortex-m3.
7877         * config/arm/arm-tune.md: Regenerate.
7878         * config/arm/arm-protos.h: Update prototypes.
7879         * config/arm/vfp.md: Enable patterns for Thumb-2.
7880         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
7881         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
7882         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
7883         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
7884         * config/arm/libunwind.S: Add Thumb-2 code.
7885         * config/arm/constraints.md: Update include Thumb-2.
7886         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
7887         * config/arm/ieee754-df.S: Ditto.
7888         * config/arm/bpabi.S: Ditto.
7889         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
7890         * config/arm/predicates.md (low_register_operand,
7891         low_reg_or_int_operand, thumb_16bit_operator): New.
7892         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
7893         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
7894         * config/arm/t-arm-elf: Add armv7 multilib.
7895         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
7896         Include thumb2.md.
7897         (UNSPEC_STACK_ALIGN, ce_count): New.
7898         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
7899         arm_zero_extendsidi2, arm_zero_extendqidi2): New
7900         insns/expanders.
7901         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
7902         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
7903         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
7904         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
7905         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
7906         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
7907         insns.
7908         * doc/extend.texi: Document ARMv7-M interrupt functions.
7909         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
7910
7911 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
7912
7913         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
7914         (struct _Unwind_Context): Rename args_size to flags, remove
7915         signal_frame field, add a new args_size field and version field.
7916         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
7917         _Unwind_IsExtendedContext): New inline functions.
7918         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7919         Assume by_value array is only present if _Unwind_IsExtendedContext.
7920         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
7921         _Unwind_IsSignalFrame.
7922         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
7923         (uw_update_context_1): Use _Unwind_SetSignalFrame.
7924         (uw_init_context_1): Initialize context->flags to
7925         EXTENDED_CONTEXT_BIT.
7926         * config/rs6000/linux-unwind.h (frob_update_context): Use
7927         _Unwind_SetSignalFrame.
7928
7929 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7930
7931         PR middle-end/30353
7932         * gimplify.c (gimplify_modify_expr_complex_part): Move below
7933         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
7934         the value.
7935
7936 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
7937
7938         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
7939         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
7940         RET, AT_SP): Remove.
7941         * config/i386/i386.md (*sse_prologue_save_insn): Use return
7942         instead of RET.
7943
7944         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7945         * cfgbuild.c (find_basic_blocks): Likewise.
7946         * cfgrtl.c (rtl_create_basic_block): Likewise.
7947         * function.c (temp_slots_at_level): Likewise.
7948         * reg-stack.c (stack_regs_mentioned): Likewise.
7949         * regclass.c (allocate_reg_info): Likewise.
7950         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7951         set_bb_for_stmt, move_block_to_fn): Likewise.
7952         * tree-complex.c (tree_lower_complex): Likewise.
7953         * vec.h (VEC_safe_grow_cleared): New.
7954
7955         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
7956
7957 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
7958
7959         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
7960         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
7961         to loop_version.
7962         * cfgloopmanip.c (scale_loop_frequencies): Export.
7963         (loopify): Scale the frequencies by prescribed coefficients.
7964         (set_zero_probability): New function.
7965         (duplicate_loop_to_header_edge): Improve updating of frequencies.
7966         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
7967         and frequencies according to arguments.
7968         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
7969         correctly.
7970         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
7971         * modulo-sched.c (sms_schedule): Set probabilities for entering
7972         versioned loop correctly.
7973         * tree-vect-transform.c (vect_transform_loop): Ditto.
7974         * cfgloop.h (loopify, loop_version): Declaration changed.
7975         (scale_loop_frequencies): Declared.
7976
7977 2007-01-02  Jan Hubicka  <jh@suse.cz>
7978
7979         * cgraph.c: Include tree-flow.h
7980         (cgraph_add_new-function): Handle IPA_SSA mode; execute
7981         early_local_passes.
7982         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
7983         * tree-pass.h (pass_all_early_optimizations): Declare.
7984         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
7985         early_local_passes.
7986         (cgraph_analyze_function): Do early_local_passes.
7987         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7988         Do not add referenced vars.
7989         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
7990         SSA form.
7991         (gate_all_early_local_passes): New gate.
7992         (pass_early_local_passes): Use new gate.
7993         (execute_early_local_optimizations): New functions.
7994         (gate_all_early_optimizations): New gate.
7995         (pass_all_early_optimizations): New pass.
7996         (execute_free_datastructures): Free SSA only when initialized.
7997         (gate_init_datastructures): Init only when optimizing.
7998         (tree_lowering_passes): Do early local passes when called late.
7999         * tree-profile.c (do_tree_profiling): Don't profile functions added
8000         late.
8001         (do_early_tree_profiling, pass_early_tree_profile): Kill.
8002         * tree-cfg.c (update_modified_stmts): Do not update when operands are
8003         not active.
8004         * passes.c (init_optimizations_passes): Reorder so we go into SSA
8005         during early_local_passes.
8006         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8007
8008
8009 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8010
8011         * Makefile.in: Update copyright year.
8012
8013 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8014
8015         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8016         in $(lang_checks) and check-consistency targets.
8017
8018 2007-01-02  Jan Hubicka  <jh@suse.cz>
8019
8020         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8021         Do not add referenced vars.
8022         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8023         are not active.
8024         * passes.c (init_optimization_passes): Put mudflap_2 after
8025         free_datastructures.
8026
8027 2007-01-02  Jan Hubicka  <jh@suse.cz>
8028
8029         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8030         Set NOTHROW flag on call statements proved to be nothrow.
8031         Update statement of local calls so new pure/const functions are
8032         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8033         goto receivers.
8034         (tree_rest_of_compilation): Register hooks and initialize bitmap
8035         early. Do not set after_inlining flag.
8036
8037 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
8038
8039         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
8040         HOST_BITS_PER_LONGLONG
8041
8042 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8043
8044         PR c/19977
8045         * c-typeck.c (store_init_value): Don't emit pedantic overflow
8046         warning for non-static initializers.
8047
8048 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
8049
8050         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8051         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8052         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8053         Always use set_unique_reg_note to add REG_EQUAL notes.
8054
8055 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8056
8057         Revert:
8058         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8059
8060         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8061         * cfgbuild.c (find_basic_blocks): Likewise.
8062         * cfgrtl.c (rtl_create_basic_block): Likewise.
8063         * function.c (temp_slots_at_level): Likewise.
8064         * reg-stack.c (stack_regs_mentioned): Likewise.
8065         * regclass.c (allocate_reg_info): Likewise.
8066         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8067         set_bb_for_stmt, move_block_to_fn): Likewise.
8068         * tree-complex.c (tree_lower_complex): Likewise.
8069         * vec.h (VEC_safe_grow_cleared): New.
8070
8071 2007-01-02  Ian Lance Taylor  <iant@google.com>
8072
8073         * c-common.c (c_common_truthvalue_conversion): When warning about
8074         using an assignment as a truth value, set TREE_NO_WARNING.
8075
8076 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8077
8078         PR middle-end/7651
8079         * c.opt (Wold-style-declaration): New.
8080         * doc/invoke.texi (C-only Warning Options): New.
8081         (Wold-style-declaration): Document it.
8082         (Wextra): Enabled by -Wextra.
8083         * c-opts.c (c_common_post_options): Enabled by -Wextra.
8084         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8085         -Wold-style-declaration.
8086
8087 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8088
8089         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8090         * cfgbuild.c (find_basic_blocks): Likewise.
8091         * cfgrtl.c (rtl_create_basic_block): Likewise.
8092         * function.c (temp_slots_at_level): Likewise.
8093         * reg-stack.c (stack_regs_mentioned): Likewise.
8094         * regclass.c (allocate_reg_info): Likewise.
8095         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8096         set_bb_for_stmt, move_block_to_fn): Likewise.
8097         * tree-complex.c (tree_lower_complex): Likewise.
8098         * vec.h (VEC_safe_grow_cleared): New.
8099
8100 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
8101
8102         * c-common.c (c_common_nodes_and_builtins): Since variants of
8103         void_type_node get built before it is given a name, we need to
8104         give those variants the name, too.
8105         (complete_array_type): We need to work with the canonical main
8106         type of the array, from which we will build the qualified version.
8107         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8108         * print-tree.c (print_node): Display canonical type information
8109         for each type.
8110         * stor-layout.c (layout_type): When we don't know the
8111         alignment of a type for which we're building an array, we end up
8112         guessing wrong, so make the type require structural equality.
8113         * tree.c (make_node_stat): When we build a new type, it is its
8114         own canonical type.
8115         (build_type_attribute_qual_variant): When building an attribute
8116         variant, its canonical type is the non-attribute variant. However,
8117         if the attributes are target-dependent and they differ, we need to
8118         use structural equality checks for this type.
8119         (build_qualified_type): A qualified type is not equivalent to its
8120         unqualified variant; set the canonical type appropriately.
8121         (build_distinct_type_copy): When building a distinct type from
8122         another type, the new type is its own canonical type.
8123         (build_variant_type_copy): When building a new type variant, we
8124         assume that it is equivalent to the original type.
8125         (build_pointer_type_for_mode): When building a pointer type, also
8126         build a canonical type pointer.
8127         (build_reference_type_for_mode): When building a reference type,
8128         also build a canonical type reference.
8129         (build_index_type): When we can't hash an index type (e.g.,
8130         because its maximum value is negative), the index type requires
8131         structural equality tests.
8132         (build_array_type): Build the canonical form of an array type.
8133         (build_function_type): Function types require structural equality,
8134         because they contain default arguments, attributes, etc.
8135         (build_method_type_directly): Ditto for method types.
8136         (build_offset_type): Build the canonical offset type.
8137         (build_complex_type): Build the canonical vector type.
8138         (make_vector_type): Build the canonical vector type.
8139         * tree.h (TYPE_CANONICAL): New.
8140         (TYPE_STRUCTURAL_EQUALITY_P): New.
8141         (SET_TYPE_STRUCTURAL_EQUALITY): New.
8142         (struct tree_type): Added "canonical" field.
8143         * params.h (VERIFY_CANONICAL_TYPES): New.
8144         * doc/c-tree.texi (TYPE_CANONICAL): Document.
8145         (TYPE_STRUCTURAL_EQUALITY_P): Document.
8146         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8147         * doc/invoke.texi (verify-canonical-types): Document --param
8148         parameter for verifying canonical types.
8149
8150 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8151
8152         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8153         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8154         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8155         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8156         tm_file.
8157         * config/rs6000/e500.h: New.
8158         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8159         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8160         Remove.
8161         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8162         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8163         TARGET_E500_DOUBLE): Remove.
8164         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8165         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8166         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8167         * config/rs6000/rs6000.c (rs6000_override_options): Use
8168         CHECK_E500_OPTIONS.
8169
8170 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8171
8172         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8173         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8174         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8175         rs6000_emit_cmove): Don't check TARGET_E500.
8176         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8177         sordered): Don't check TARGET_E500.
8178
8179 2007-01-01  Eric Christopher  <echristo@apple.com>
8180
8181         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8182         HARD_REGISTER_NUM_P.
8183
8184 2007-01-01  Roger Sayle  <roger@eyesopen.com>
8185
8186         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8187         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8188         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8189         eq/ne Y".
8190
8191 2007-01-01  Mike Stump  <mrs@apple.com>
8192
8193         * configure.ac: Remove support for building with Apple's gcc-3.1.
8194
8195 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8196
8197         PR middle-end/30311
8198         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8199         REG is a hard register.  Do not modify REG before calling
8200         subreg_nregs.
8201         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8202         multiple of the size of YMODE for certain lowpart cases.
8203
8204 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8205
8206         PR middle-end/30253
8207         * gimplify (voidify_wrapper_expr): Update for
8208         GIMPLE_MODIFY_STMT.
8209
8210 2007-01-01  Andreas Schwab  <schwab@suse.de>
8211
8212         PR target/29166
8213         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8214         save of BR0 in extra_spill_size instead of spill_size.
8215         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8216         area.
8217         (ia64_expand_epilogue): Restore BR0 from its new location.
8218
8219 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8220
8221         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8222         Use a temporary variable if the left hand side is not a gimple
8223         register.
8224
8225 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8226
8227         * gimplify.c (gimplify_return_expr): Make the temporary variable
8228         for the return expression, a gimple register variable.
8229
8230 2007-01-01  Jan Hubicka  <jh@suse.cz>
8231
8232         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8233         INSN_LIST.
8234
8235 2007-01-01  Mike Stump  <mrs@apple.com>
8236
8237         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8238         .literal16.
8239         * config/darwin.c (machopic_select_rtx_section): Use
8240         HAVE_GAS_LITERAL16.
8241         (darwin_mergeable_constant_section): Likewise.
8242         * configure: Regenerate.
8243         * config.in: Regenerate.
8244
8245 2007-01-01  Jan Hubicka  <jh@suse.cz>
8246             Andrew Pinski  <pinskia@gmail.com>
8247
8248         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8249         before starting IPA passes.