re PR bootstrap/30635 (--enable-stage1-langauges configure option is not documented.)
[official-gcc.git] / gcc / ChangeLog
blob85c05fbbb4a84d4b72f8da2721698eda057a53e0
1 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3         PR 30635
4         * doc/install.texi: Document --enable-stage1-languages
6 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
8         * tree-pass.h (pass_into_cfg_layout_mode,
9         pass_outof_cfg_layout_mode): Declare.
10         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
11         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
12         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
13         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
15 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
17         * c-decl.c (warn_variable_length_array): New function.
18         Refactored from grokdeclarator to handle warn_vla
19         and handle unnamed array case.
20         (grokdeclarator): Refactored VLA warning case.
21         * c.opt (Wvla): New flag.
22         * doc/invoke.texi (Wvla): New warning.
24 2007-03-12  Richard Henderson  <rth@redhat.com>
26         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
27         (TARGET_SECTION_TYPE_FLAGS): New.
29 2007-03-12  Richard Henderson  <rth@redhat.com>
31         * config/darwin.c (machopic_reloc_rw_mask): New.
32         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
33         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
35 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
37         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
38         * cppdefault.h (cpp_PREFIX): Document.
39         (cpp_PREFIX_len): Likewise.
40         (cpp_EXEC_PREFIX): New variable.
41         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
42         * c-incpath.c (add_standard_paths): Correct logic for relocating
43         paths within prefix.
45 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
47         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
48         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
49         mode macro.
50         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
51         fix_truncdfdi_sse using SSEMODEF mode macro.
52         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
53         fix_truncdfsi_sse using SSEMODEF mode macro.
54         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
55         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
57 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
59         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
60         elfos.h to tm_file.
62 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
63   
64         * tree.h : Add multiple_of_p declaration.
65         * fold-const.c (multiple_of_p): Make multiple_of_p public. 
66         * ipa-type-escape.c (results_of_malloc): Redundant.
67         (visited_stmts): New. Visited stmt for walk_use_def_chains.
68         (cast_type): Extended with new members.
69         (check_cast): Returns cast_type.
70         (cast): New structure for data of walk_use_def_chains.
71         (is_malloc_result, is_cast_from_non_pointer_1,
72         is_cast_from_non_pointer, 
73         is_array_access_through_pointer_and_index): New functions.
74         (look_for_casts): Returns cast types.
75         (check_call): Returns void.
76         (okay_pointer_operation): Use support of pointer plus index,
77         pointer plus constant and allow all multiplications.
78         
79 2007-03-11  Richard Guenther  <rguenther@suse.de>
81         PR tree-optimization/31115
82         * tree-vrp.c (extract_range_from_binary_expr): Make sure
83         the shift count is positive and non-anti-range for RSHIFT_EXPR.
84         A shift count of zero is not special as with *_DIV_EXPR.
85         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
86         direction.
88 2007-03-11  Ian Lance Taylor  <iant@google.com>
90         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
91         the *_DIV_EXPR codes correctly with overflow infinities.
93 2007-03-11  Ira Rosen  <irar@il.ibm.com>
95         * tree-data-ref.c (analyze_offset): Add a return value (bool) to 
96         indicate success/failure of the analysis. Add negation to subtrahend
97         in case of subtraction. Fail if both operands contain constants.
98         (create_data_ref): Fail if analyze_offset fails.
100 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
102         * config/i386/i386.md (frndintxf2): Rename to ...
103         (rintxf2): ... this. Remove expander having same name.
104         (rintsf2, rintdf2): Implement using SSEMODEF macro.
105         (roundsf2, rounddf2): Ditto.
106         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
107         (lround<mode>di2, lround<mode>si2): Ditto.
109 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
111         * lower-subreg.c: Include except.h.
112         (decompose_multiword_subregs): Verify that the only control flow
113         insns we can split are loads to multi-words pseudos.
114         Handle breaking such blocks after splitting, instead of calling
115         find_many_sub_basic_blocks.
117         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
118         on the new basic block.  Add a lengthy comment explaining why we
119         thought this was necessary.
120         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
122 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
124         PR c++/30924
125         * tree.c (walk_type_fields): Recurse into the element type of
126         ARRAY_TYPEs if there is a pointer set.
128 2007-03-10  Dirk Mueller  <dmueller@suse.de>
130         * c-common.c (warn_logical_operator): Fix condition.
132 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
134         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
135         quotation mark.
136         * config/darwin.c (machopic_select_section): Remove superfluous
137         argument in call to categorize_decl_for_section.  Remove unused
138         variable shlib.
140 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
142         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
143         defined.
144         * configure: Regenerate.
146 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
148         PR target/31101
149         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
150         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
151         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
152         Add LABEL_NUSES to emitted label.
153         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
154         branch probability value to emitted jump insn.
155         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
156         Do not check life information and do not re-arrange input operands
157         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
159 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
161         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
162         the change of decode_asm_operands.
164 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
166         * mode-switching.c (create_pre_exit): Skip blockage insn.
168 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
170         * tree-pass.h (TODO_update_smt_usage): Remove.
171         Update all users.
172         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
173         argument SOME.
174         Update all users.
176 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
178         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
179         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
180         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
181         SOM target.
183 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
185         * gcc.c: Document %{, in big comment at top.
186         (input_suffix_matches): Remove special handling for .s and
187         .S.
188         (input_spec_matches): New.
189         (handle_braces): Handle %{,.
190         (validate_switches): ',' indicates a value which is not a switch.
191         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
192         to detect assembler input.
193         * config/i386/sol2.h (CPP_SPEC): Likewise.
194         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
195         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
196         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
197         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
198         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
199         -m64 causes deployment target to default to 10.5.
200         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
202 2007-03-09  Richard Henderson  <rth@redhat.com>
204         PR target/26090
205         * target.h (targetm.asm.out.reloc_rw_mask): New.
206         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
207         (TARGET_ASM_OUT): Use it.
208         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
209         * varasm.c (categorize_decl_for_section): Remove shlib argument;
210         use the new reloc_rw_mask target hook instead.
211         (default_section_type_flags_1): Merge into...
212         (default_section_type_flags): ... here.
213         (decl_readonly_section_1): Merge into...
214         (decl_readonly_section): ... here.
215         (default_elf_select_section_1): Merge into...
216         (default_elf_select_section): ... here.
217         (default_unique_section_1): Merge into...
218         (default_unique_section): ... here.
219         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
220         (default_select_rtx_section): Use it.
221         (default_elf_select_rtx_section): Likewise.
222         * output.h: Update to match.
223         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
224         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
225         (TARGET_ASM_RELOC_RW_MASK): New.
226         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
227         to categorize_decl_for_section.
228         (x86_64_elf_unique_section): Likewise.
229         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
230         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
231         (TARGET_ASM_RELOC_RW_MASK): New.
232         * config/ia64/ia64.c (ia64_rwreloc_select_section,
233         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
234         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
235         (TARGET_RWRELOC): Remove.
236         (ia64_section_type_flags): Adjust call to default_section_type_flags.
237         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
238         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
239         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
240         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
241         (rs6000_xcoff_select_section): Use decl_readonly_section.
242         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
243         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
244         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
245         (TARGET_SECTION_TYPE_FLAGS): Remove.
246         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
248 2007-03-09  Roger Sayle  <roger@eyesopen.com>
250         * fold-const.c (fold_comparison): Remove compile-time evaluation of
251         complex constant equality/inequality comparisons for here.
252         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
253         known at compile-time or can be simplified to a scalar comparison.
254         (fold_relational_const): Move compile-time evaluation of complex
255         constant equality/inequality comparisons to here.
257 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
259         PR rtl-optimization/30643
260         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
261         dest_addr_elt.
262         (fold_rtx): Recurse, like before 2006-11-03.
264 2007-03-09  DJ Delorie  <dj@redhat.com>
266         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
267         m32c-pragma.o.
269 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
271         PR tree-optimization/30375
272         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
273         LHS of statements is not the same.
274         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
276 2007-03-09  Chao-ying Fu  <fu@mips.com>
278         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
279         REV 2.
280         * doc/invoke.texi (-mdspr2): Document new option.
281         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
282         New unspec for DSP REV 2.
283         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
284         these instructions are extended in DSP REV 2.
285         (mips-dspr2.md): Include.
286         * config/mips/mips.opt (mdspr2): New option.
287         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
288         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
289         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
290         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
291         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
292         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
293         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
294         and 2 builtins.
295         (bdesc_map): Add one field of unsupported_target_flags.
296         (bdesc_arrays):  Update entries to have extra fields.  Add
297         dsp_32only_bdesc.
298         (mips_init_builtins): Initialize new function types.
299         Check unsupported_target_fileds to filter out builtins.
300         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
301         TARGET_DSPR2.
302         (ASM_SPEC): Pass mdspr2 to the assembler.
303         * config/mips/mips-dspr2.md: New file.
305 2007-03-09  Sa Liu  <saliu@de.ibm.com>
307         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
309 2007-03-09  Ian Lance Taylor  <iant@google.com>
311         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
312         argument) like -Wstrict-overflow=2.
313         * doc/invoke.texi (Warning Options): Update documentation.
315 2007-03-09  Dirk Mueller  <dmueller@suse.de>
317         PR c++/17946
318         * doc/invoke.texi (-Wlogical-op): Document.
319         * common.opt (-Wlogical-op): New.
320         * c-common.h (warn_logical_operator): Declare.
321         * c-common.c (warn_logical_operator): Define.
322         * c-typeck.c (parser_build_binary_op): Call
323         warn_logical_operator.
325 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
327         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
328         * final.c (final_scan_insn): Test for non-"" file name.
330 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
332         * doc/loop.texi: Document the Omega linear constraints solver.
333         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
334         omega-max-geqs, omega-max-eqs, omega-max-wild-cards, 
335         omega-hash-table-size, omega-max-keys, and 
336         omega-eliminate-redundant-constraints.
337         * tree-pass.h (pass_check_data_deps): Declared.
338         * omega.c: New.
339         * omega.h: New.
340         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
341         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, 
342         pass_check_data_deps): New.
343         * tree-data-ref.c (init_data_ref): Remove declaration.
344         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
345         (analyze_array): Renamed init_array_ref, move up initializations.
346         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
347         Removed arguments that are set to NULL.
348         (analyze_indirect_ref): Correct indentation, correct call to 
349         init_pointer_ref.
350         (object_analysis): Call init_array_ref instead of analyze_array.
351         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
352         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
353         of DR_ACCESS_FNS_ADDR.
354         (init_omega_eq_with_af, omega_extract_distance_vectors, 
355         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
356         ddr_consistent_p): New.
357         (compute_affine_dependence): Check consistency of ddrs when 
358         flag_check_data_deps is passed.
359         (analyze_all_data_dependences): Uncomment.
360         (tree_check_data_deps): New.
361         * tree-data-ref.h: Include omega.h.
362         (DR_ACCESS_FNS_ADDR): Removed.
363         (data_dependence_relation): Add inner_loop.
364         (DDR_INNER_LOOP): New.
365         * common.opt (fcheck-data-deps): New.
366         * tree-flow.h (tree_check_data_deps): Declare.
367         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
368         (OBJS-common): Depend on omega.o.
369         (omega.o): Define.
370         * passes.c (pass_check_data_deps): Scheduled.
371         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, 
372         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
373         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
374         PARAM_VECT_MAX_VERSION_CHECKS,
375         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
377 2007-03-09  Richard Guenther  <rguenther@suse.de>
379         PR tree-optimization/30904
380         PR middle-end/31058
381         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
382         the same way as *_DIV_EXPR.
384 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
386         * recog.c (decode_asm_operands): No mixed declarations and code.
388 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
390         * rtl.def (ASM_INPUT): Add location.
391         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
392         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
393         (decode_asm_operands): Add loc operand.
394         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
395         * stmt.c (expand_asm): Rename to...
396         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
397         gen_rtx_ASM_INPUT_loc.
398         (expand_asm_expr): Adjust.
399         * recog.c (decode_asm_operands): Add loc operand.
400         (check_asm_operands, extract_insn): Adjust.
401         * reload1.c (maybe_fix_stack_asms): Likewise.
402         * final.c (asm_insn_count): Likewise.
403         (final_scan_insn): Output # line before and after asm.
405 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
407         * tree-ssa-structalias.c (variable_info): Remove
408         finished_solution.
409         (new_var_info): Ditto.
410         (shared_bitmap_info_t): New structure.
411         (shared_bitmap_table): New variable.
412         (shared_bitmap_hash): New function.
413         (shared_bitmap_eq): Ditto
414         (shared_bitmap_lookup): Ditto.
415         (shared_bitmap_add): Ditto.
416         (merge_smts_into): Change to take bitmap directly.
417         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
418         (init_alias_vars): Init shared bitmap hashtable.
419         (delete_points_to_sets): Delete shared bitmap hashtable.
420         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
421         is_aliased removal as a change that was still necessary was
422         deleted.
424 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
426         * config/i386/i386.h (override_options): Conditionally disable
427         x86_sahf for 64bit targets only.
429 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
431         PR C/31072
432         * c-decl.c (merge_decls): Don't call make_var_volatile.
433         * varasm.c (make_var_volatile): Remove.
434         * output.h (make_var_volatile): Remove.
436 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
438         PR tree-optimization/31085
439         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
441 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
443         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
444         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
445         ATTR_CONST_NOTHROW_LIST.
446         
447         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
448         FIX_TRUNC_EXPR.
450 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
452         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
454 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
456         PR 31013
457         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
458         is declared.
459         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
460         passed, use shared libgcc.
462 2007-03-08  Roger Sayle  <roger@eyesopen.com>
464         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
465         instead of calling build2 with a GIMPLE_MODIFY_STMT.
466         (honor_protect_cleanup_actions, lower_try_finally_switch):
467         Likewise.
468         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
469         ifc_temp_var): Likewise.
470         * tree-inline.c (setup_one_parameter): Likewise.
471         * tree-mudflap.c (mf_decl_cache_locals,
472         mf_build_check_statement_for): Likewise.
473         * tree-nested.c (init_tmp_var, save_tmp_var,
474         finalize_nesting_tree_1): Likewise.
475         * tree-outof-ssa.c (insert_copy_on_edge,
476         insert_backedge_copies): Likewise.
477         * tree-profile.c (tree_gen_edge_profiler,
478         tree_gen_ic_profiler): Likewise.
479         * tree-scalar-evolution.c (scev_const_prop): Likewise.
480         * tree-sra.c (sra_build_assignment): Likewise.
481         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
482         * tree-ssa-math-opts.c (insert_reciprocals,
483         execute_cse_sincos_1): Likewise.
484         * tree-tailcall.c (adjust_accumulator_values,
485         adjust_return_value): Likewise.
486         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
487         * tree-vect-transform.c (vect_create_data_ref_ptr,
488         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
489         vect_create_epilog_for_reduction, vectorizable_reduction,
490         vectorizable_call, vectorizable_conversion,
491         vectorizable_assignment, vectorizable_operation,
492         vectorizable_type_demotion, vect_gen_widened_results_half,
493         vect_permute_store_chain, vectorizable_store,
494         vect_setup_realignment, vect_permute_load_chain,
495         vectorizable_load, vectorizable_condition,
496         vect_create_cond_for_align_checks): Likewise.
497         * tree-vrp.c (build_assert_expr_for): Likewise.
499 2007-03-08  Ian Lance Taylor  <iant@google.com>
501         * tree-vrp.c: Include "intl.h".
502         (usable_range_p): New static function.
503         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
504         overflowed values, juts set *strict_overflow_p.
505         (compare_values): Only return -2 if one of the operands is not a
506         constant.
507         (compare_ranges): Call usable_range_p.
508         (compare_range_with_value): Likewise.
509         (vrp_evaluate_conditional_warnv): Rename from
510         vrp_evaluate_conditional.  Make static.  Change all callers.
511         (vrp_evaluate_conditional): New function.
512         (simplify_div_or_mod_using_ranges): Issue warning about reliance
513         on signed overflow.
514         (simplify_abs_using_ranges): Likewise.
515         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
516         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
517         within_stmt parameter.
518         * tree-ssa-propagate.c (fold_predicate_in): Update call to
519         vrp_evaluate_conditional.
520         * tree-ssa-threadedge.c
521         (record_temporary_equivalences_from_stmts_at_dest): Change
522         simplify parameter to take a second tree parameter.
523         (simplify_control_stmt_condition): Likewise.
524         (thread_across_edge): Likewise.
525         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
526         (thread_across_edge): Likewise.
527         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
529 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
531         * config/i386/i386.h (TARGET_SAHF): New define.
532         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
533         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
534         (x86_sahf): New global variable.
535         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
536         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
537         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
538         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
539         for 64-bit.
540         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
541         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
542         when expanding fcomi/sahf based tests.
543         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
544         expanding sahf based alternative. Emit sahf based sequence when
545         optimizing for code size.
546         * config/i386/i386.md (x86_sahf_1): Do not disable for
547         TARGET_64BIT, enable for TARGET_SAHF. 
549 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
551         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
552         spurious whitespace from error message.
554 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
556         PR c++/30852
557         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
559 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
561         * c-decl.c (grokdeclarator): Disable warnings for anonymous
562         bitfields.
563         * tree-sra.c (instantiate_element): Propagate disabled warnings
564         from the element itself to the created variable.
566 2007-03-07  Richard Henderson  <rth@redhat.com>
568         PR target/30848
569         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
570         silently fix up the stack in the case of a missing register.
572 2007-03-07  Paul Brook  <paul@codesourcery.com>
574         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
576 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
578         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
579         New.
580         (phase1_vrs): Use them.
581         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
582         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
583         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
584         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
585         __gnu_Unwind_Restore_WMMXC if required.
586         (_Unwind_VRS_Pop): Implement iWMMXt support.
587         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
588         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
589         gnu_Unwind_Save_WMMXC): Define.
591 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
593         * config/vxworks.h (vxworks_override_options): Declare.
594         (VXWORKS_OVERRIDE_OPTIONS): Use it.
595         * config/vxworks.c: Include target.h and toplev.h.
596         (vxworks_override_options): New function.
597         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
599 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
601         * config/s390/s390.c (override_options): Don't emit an error when
602         -mstack-size is used without providing -mstack-guard.
603         (s390_emit_prologue): Choose stack_guard value automatically if not
604         provided via command line.
605         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
607 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
609         * config/i386/i386.c (output_set_got): Add a GOT initialization
610         sequence for VxWorks PIC.
611         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
612         around labels as well as symbols.  Use gotoff_operand instead
613         of local_symbolic_operand.
614         (legitimize_pic_address): Use gotoff_operand instead of
615         local_symbolic_operand.  Use @GOT accesses for labels as
616         well as symbols.
617         (ix86_output_addr_diff_elt): Use PC-relative rather than
618         GP-relative offsets for VxWorks PIC.
619         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
620         no_new_pseudos.  Check whether the returned register is op0.
621         * config/i386/i386.md (tablejump): Use PC-relative rather than
622         GP-relative offsets for VxWorks PIC.
623         * config/i386/predicates.md (gotoff_operand): New predicate.
625 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
627         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
628         before defining.
629         * config/vxworks-dummy.h: New file.
630         * config/i386/i386.h: Include it.
632 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
634         * dwarf2out.c (is_inlined_entry_point): New
635         (add_high_low_attributes): Emit DW_AT_entry_pc along with
636         DW_AT_ranges if the first subblock is the entry point.
638 2007-03-06  David Daney  <ddaney@avtrex.com>
640         * doc/install.texi (mips-*-*): Change recommended binutils
641         version.
643 2007-03-06  Anatoly Sokolov <aesok@post.ru>
645         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
646         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162 
647         devices.
648         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
649         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
651 2007-03-06  Jan Hubicka  <jh@suse.cz>
653         * errors.h (warning, error, fatal, internal_error): Mark as cold.
654         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
655         are hot.
656         (probably_cold_bb_p): Cold functions are cold.
657         (probably_never_executed_bb_p): Cold functions are cold.
658         (tree_bb_level_predictions): Predict calls to cold functions as not
659         taken.
660         (compute_function_frequency): Check hot/cold attributes.
661         * function.h (function_frequency): Update comments.
662         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
663         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
664         (c_common_att): Add cold and hot.
666         * doc/extend.texi (hot,cold attributes): Document.
668 2007-03-06  Andrew Haley  <aph@redhat.com>
670         * function.c (expand_function_end): Move blockage to just after we
671         emit the label for the naked return from the function.
673 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
675         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
676         before redefining.
678 2007-03-06  Jan Hubicka  <jh@suse.cz>
680         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
681         loaded for constant large models.  Non-large 64bit PIC can do.
682         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
683         * cmodel.h: Add LARGE PIC.
684         * i386.md (UNSPEC_PLTOFF): New.
685         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
686         needed.
687         (*call_1_rex64): Disable for large models.
688         (*call_1_rex64_large): New.
689         (*call_value_1_rex64): Disable for large models.
690         (*call_value_1_rex64_large): New.
691         (set_rip_rex4): New.
692         (set_got_offset_rex64): New.
693         * predicates.md (constant_call_address_operand): For large model
694         constant calls are not possible.
695         * i386-protos.h (construct_plt_address): Declare.
696         * i386.c (override_options): Accept large models.
697         (ix86_expand_prologue): Expand large PIC GOT pointer load.
698         (legitimate_constant_p): Add new UNSPECs.
699         (legitimate_pic_operand_p): Likewise.
700         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
701         (legitimize_pic_address): Do easy RIP relative way for TLS only for
702         non-large model.
703         (output_pic_addr_const): Add PLTOFF.
704         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
705         (ix86_expand_move): Legitimize pic address when in PIC mode.
706         (construct_plt_address): New function.
707         (ix86_expand_call): Offload the address to register and use GOT pointer
708         for large model.
709         * invoke.texi (mcmodel=large): Update documentation.
711 2007-03-06  Richard Henderson  <rth@redhat.com>
713         * config/i386/i386.c (x86_use_leave, x86_push_memory,
714         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
715         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
716         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
717         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
718         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
719         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix, 
720         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
721         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
722         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, 
723         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
724         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
725         x86_sse_partial_reg_dependency, x86_sse_split_regs, 
726         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
727         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
728         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
729         x86_schedule, x86_use_bt, x86_pad_returns,
730         x86_use_xchgb): Merge into ...
731         (ix86_tune_features): ... here.  New array.
732         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
733         x86_bswap): Merge into ...
734         (ix86_arch_features): ... here.  New array.
735         (x86_3dnow_a): Remove.
736         (x86_accumulate_outgoing_args): Make static.
737         (x86_arch_always_fancy_math_387): Make static.
738         (ix86_tune_mask, ix86_arch_mask): Move ...
739         (override_options): ... to local variables here.  Apply the
740         appropriate mask to each element of ix86_arch_features and
741         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
742         as were done in the old macros.
743         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
744         * config/i386/i386.h (x86_use_leave, x86_push_memory,
745         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
746         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
747         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
748         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
749         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
750         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
751         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
752         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
753         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
754         x86_partial_reg_dependency, x86_memory_mismatch_stall,
755         x86_accumulate_outgoing_args, x86_prologue_using_move,
756         x86_epilogue_using_move, x86_decompose_lea,
757         x86_arch_always_fancy_math_387, x86_shift1,
758         x86_sse_partial_reg_dependency, x86_sse_split_regs,
759         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,        
760         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
761         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
762         x86_use_incdec, x86_pad_returns, x86_bswap,
763         x86_partial_flag_reg_stall): Remove.
764         (enum ix86_tune_indices): New.
765         (ix86_tune_features): New.
766         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
767         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
768         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
769         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
770         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
771         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
772         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
773         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
774         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
775         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
776         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
777         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
778         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
779         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
780         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
781         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
782         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
783         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
784         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
785         TARGET_EXT_80387_CONSTANTS): Use it.
786         (enum ix86_arch_indices): New.
787         (ix86_arch_features): New.
788         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
789         TARGET_BSWAP): Use it.
790         (ix86_tune_mask, ix86_arch_mask): Remove.
792 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
794         PR bootstrap/31020
795         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
796         Define using $${sysroot_headers_suffix}.
797         * configure: Regenerate.
798         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
799         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
800         defined.
801         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
802         * gcc.c (print_sysroot_headers_suffix): New.
803         (option_map): Include --print-sysroot-headers-suffix.
804         (display_help): Mention -print-sysroot-headers-suffix.
805         (process_command): Handle -print-sysroot-headers-suffix.
806         (do_spec_1): Append multilib directory to include-fixed path if
807         sysroot suffixes in use.
808         (main): Handle -print-sysroot-headers-suffix.
809         * Makefile.in (start.encap): Don't depend on xlimits.h
810         (xlimits.h): Remove.
811         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
812         limits.h for each multilib in fixinc_list.
813         (fixinc_list, s-fixinc_list): New.
814         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
815         generate them for each multilib in fixinc_list.
816         (stmp-fixproto): Use include-fixed.  Run fixproto for each
817         multilib in fixinc_list.
818         (mostlyclean): Don't remove xlimits.h.
819         (clean): Remove include-fixed.
820         (real-install-headers-tar, real-install-headers-cpio,
821         real-install-headers-cp): Don't copy include, only include-fixed.
822         (install-mkheaders): Depend on fixinc_list.  Don't depend on
823         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
824         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
825         SYSTEM_HEADER_DIR setting in mkheaders.conf.
827 2007-03-06  Jan Hubicka  <jh@suse.cz>
829         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
830         NANs easilly.
832 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
834         * configure.ac: Allow tm_file to contain build-directory files.
835         * configure: Regenerate.
836         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
837         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
838         * config/m68k/print-sysroot-suffix.sh: New file.
840 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
842         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
843         of pic_offset_table_rtx if reload_completed.
844         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
845         PIC_OFFSET_TABLE_REGNUM.
846         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
847         return true.
848         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
849         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
851 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
853         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
854         functions that call eh_return.
856 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
858         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
859         functions that need a constant pool.
861 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
863         PR target/28181
864         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
865         (m68k_preferred_reload_class): Likewise.
866         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
867         (SECONDARY_RELOAD_CLASS): Define.
868         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
869         (LIMIT_RELOAD_CLASS): Delete.
870         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
871         registers from storing bytes.
872         (m68k_secondary_reload_class): New function.
873         (m68k_preferred_reload_class): Likewise.
875 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
877         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
878         leaf functions.
879         (m68k_expand_prologue): Likewise.
881 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
883         * config/m68k/m68k-protos.h (output_sibcall): Declare.
884         (mips_expand_epilogue): Add a bool parameter.
885         (m68k_legitimize_sibcall_address): Declare.
886         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
887         (m68k_expand_epilogue): Add a parameter to select between sibling
888         and normal epilogues.  Only generate a return for the latter.
889         (m68k_ok_for_sibcall_p): New function.
890         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
891         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
892         (sibcall_value, *sibcall_value): Likewise.
893         (*call, *call_value): Require !SIBLING_CALL_P.
894         (epilogue): Update call to m68k_expand_epilogue.
895         (sibcall_epilogue): New pattern.
896         * config/m68k/predicates.md (const_call_operand): Say that this
897         predicate applies to sibling calls too.
898         (sibcall_operand): New predicate.
900 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
902         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
903         alternatives as movsi_cf.
904         (movsf_cf_hard): Add commentary.
906 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
907             Richard Sandiford  <richard@codesourcery.com>
909         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
910         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
911         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
912         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
913         as being live on exit from an interrupt function.
914         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
915         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
916         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
917         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
918         (m68k_interrupt_function_p): Globalize.
919         (m68k_compute_frame_layout): Remove reverse mask code.
920         (m68k_emit_movem, m68k_set_frame_related): New functions.
921         (m68k_output_function_prologue): Delete in favor of...
922         (m68k_expand_prologue): ...this new function.
923         (m68k_output_function_epilogue): Delete in favor of...
924         (m68k_expand_epilogue): ...this new function.
925         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
926         functions.
927         (print_operand): Handle %?.
928         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
929         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
930         (prologue, epilogue): New patterns.
931         (return): Turn into a define_expand.
932         (*return): New pattern, derived from old "return" pattern.  Use rte
933         rather than rts for interrupt functions.  Only use rtd if the pop
934         count is nonzero.
935         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
936         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
937         (link, *link, unlink, *unlink, load_got): Likewise.
939 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
941         PR target/23482
942         PR target/17114
943         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
944         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
945         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
946         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
947         and m68k_matches_u_p.
948         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
949         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
950         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
951         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
952         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
953         (REG_STRICT_P): New macro.
954         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
955         PCREL_GENERAL_OPERAND_OK.
956         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
957         m68k_legitimate_base_reg_p.
958         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
959         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
960         (PIC_CASE_VECTOR_ADDRESS): Update comment.
961         * config/m68k/m68k.c (m68k_address): New structure.
962         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
963         (m68k_decompose_index, m68k_legitimate_constant_address_p)
964         (m68k_jump_table_ref_p, m68k_decompose_address)
965         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
966         (m68k_matches_u_p): New functions.
967         (print_operand_address): Rewrite to use m68k_decompose_index.
969 2007-03-05  David Taylor  <dtaylor@emc.com>
971         * gcc.c: Correct copyright date in --version output.
973 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
975         * pa.md: In unamed move patterns, disparge copies between general
976         and floating point registers using '?' modifier.  Don't include 'f'
977         constraint for register preferences in DImode, SImode, HImode and
978         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
979         Remove constraints for copies between general and floating registers
980         in soft-float DFmode pattern.
981         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
982         floating register.
983         (movsf): Likewise. 
985 2007-03-05  Mike Stump  <mrs@apple.com>
987         * c-common.c (targetcm): Add.
988         * c-opts.c (c_common_handle_option): Handle language specific
989         target options.
990         * opts.c (handle_option): Verify language for target options, if
991         any are given.
992         * opth-gen.awk: Add CL_LANG_ALL.
993         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
994         (TARGETCM_INITIALIZER): Add.
995         * target.h (struct gcc_targetcm): Add.
996         (targetcm): Add.
997         * targhooks.c (default_handle_c_option): Add.
998         * targhooks.h (default_handle_c_option): Add.
999         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1001         * config/darwin.opt (iframework): Add.
1002         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1003         * config/darwin-c.c (handle_c_option): Add.
1004         (TARGET_HANDLE_C_OPTION): Add.
1005         (targetcm): Add.
1006         * doc/invoke.texi (Darwin Options): Add -iframework.
1008 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1010         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1011         conversion.
1013 2007-03-05  Ian Lance Taylor  <iant@google.com>
1015         * c.opt (fgnu89-inline): New option.
1016         * c-opts.c (c_common_post_options): Set default value for
1017         flag_gnu89_inline.
1018         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1019         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1020         inline functions.
1021         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1022         (grokdeclarator, start_function): Likewise.
1023         * c-cppbuiltin.c (c_cpp_builtins): Define either
1024         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1025         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1026         (C Dialect Options): Document -fgnu89-inline.
1027         * doc/extend.texi (Function Attributes): Explain what the
1028         gnu_inline attribute does.
1029         * doc/cpp.texi (Common Predefined Macros): Document
1030         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1032 2007-03-05  Ian Lance Taylor  <iant@google.com>
1034         PR tree-optimization/31034
1035         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1036         half-range if the other side is an overflow infinity.
1038 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1040         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1041         (bfin*-linux-uclibc*): New configuration.
1042         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1043         defining.
1044         * config/bfin/linux.h: New file.
1045         * config/bfin/libgcc-bfin.ver: New file.
1046         * config/bfin/t-bfin-uclinux: New file.
1047         * config/bfin/t-bfin-linux: New file.
1048         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1049         (TARGET_OS_CPP_BUILTINS): New macro.
1051 2007-03-05  Richard Guenther  <rguenther@suse.de>
1053         * fold-const.c (fold_binary): Remove duplicate folding
1054         of comparison of non-null ADDR_EXPR against null.
1056 2007-03-05  Richard Guenther  <rguenther@suse.de>
1057             Dorit Nuzman  <dorit@il.ibm.com>
1059         PR tree-optimization/26420
1060         * tree-vectorizer.c (vectorize_loops): Bail out early if there
1061         are no loops in the function.  Only print the number of
1062         vectorized loops if it is greater than zero or we are supposed
1063         to print information about unvectorized loops.
1065 2007-03-05  Revital Eres  <eres@il.ibm.com>
1067         * gcc.dg/var-expand1.c: New test.
1068         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1069         when an accumulator is expanded.
1071 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1073         PR other/30465
1074         * c-common.c (convert_and_check): Don't give warnings for
1075         conversion if 'expr' already overflowed.
1076         
1077 2007-03-04  Roger Sayle  <roger@eyesopen.com>
1079         PR middle-end/30744
1080         * fold-const.c (fold_comparison): Enforce type consistency when
1081         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1083 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
1085         * tree-ssa-address.c (create_mem_ref): Do not put an expression
1086         containing a cast to the base of TARGET_MEM_REF.
1088 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
1090         * tree.c (tree_contains_struct_check_failed): Remove spurious
1091         whitespace from error message.
1093 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1095         PR target/30406
1096         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1097         instead of precision.
1099 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
1100             Nathan Sidwell  <nathan@codesourcery.com>
1102         * emit-rtl.c (find_auto_inc): New.
1103         (try_split): recreate REG_INC notes,
1104         Use regular for loops rather than whiles.
1106 2007-03-03  Andreas Schwab  <schwab@suse.de>
1108         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1109         * configure: Regenerate.
1111 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1113         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1114         flag_rounding_math, not flag_unsafe_math_optimizations.
1116         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1117         fold_build2.
1118         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1119         alpha_fold_vector_minmax): Likewise.
1120         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1121         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1123 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1125         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1126         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1127         if the lhs has side-effects.
1128         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1130 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1132         * config/i386/i386.h (TUNEMASK): Remove define.
1133         (ARCHMASK): Remove define.
1134         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1135          Use ix86_arch_mask variable instead of ARCHMASK.
1136         * config/i386/i386.c (override_options): Ditto.
1137         (standard_80387_constant_p): Ditto.
1139 2007-03-02  Ian Lance Taylor  <iant@google.com>
1141         Used signed infinities in VRP.
1142         * tree-vrp.c (uses_overflow_infinity): New static function.
1143         (supports_overflow_infinity): New static function.
1144         (make_overflow_infinity): New static function.
1145         (negative_overflow_infinity): New static function.
1146         (positive_overflow_infinity): New static function.
1147         (is_negative_overflow_infinity): New static function.
1148         (is_positive_overflow_infinity): New static function.
1149         (is_overflow_infinity): New static function.
1150         (overflow_infinity_range_p): New static function.
1151         (compare_values_warnv): New function split out of compare_values.
1152         (compare_value): Call it.
1153         (set_value_range_to_nonnegative): Add overflow_infinity
1154         parameter.  Change caller.
1155         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1156         Change callers.
1157         (vrp_expr_computes_nonzero): Likewise.
1158         (compare_ranges, compare_range_with_value): Likewise.
1159         (compare_name_with_value, compare_names): Likewise.
1160         (vrp_evaluate_conditional): Likewise.
1161         (set_value_range): Handle infinity
1162         (vrp_operand_equal_p, operand_less_p): Likewise.
1163         (extract_range_from_assert): Likewise.
1164         (vrp_int_const_binop): Likewise.
1165         (extract_range_from_binary_expr): Likewise.
1166         (extract_range_from_unary_expr): Likewise.
1167         (extract_range_from_comparison): Likewise.
1168         (extract_range_from_expr): Likewise.
1169         (dump_value_range): Likewise.
1170         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1171         (test_for_singularity): Likewise.
1172         (vrp_int_const_binop): Remove inline qualifier.
1173         (adjust_range_with_scev): Add comment.
1174         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1176 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
1178         * tree-ssa-structalias.c (could_have_pointers): Tidy.
1179         (get_constraint_for): Likewise.
1180         (do_structure_copy): Likewise.
1181         (find_func_aliases): Fix references to MODIFY_EXPR.
1182         (intra_create_variable_infos): Tidy.
1183         * tree-ssa-operands.c (add_virtual_operand): Add argument
1184         IS_CALL_SITE.
1185         When adding members of alias sets, if IS_CALL_SITE is true and
1186         the symbol is not call-clobbered, skip it.
1187         Adjust all callers.
1189 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1191         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1192         entry by means of emit_insn_at_entry.
1194 2007-03-02  Richard Henderson  <rth@redhat.com>
1196         * expr.h (promoted_input_arg): Remove decl.
1197         * function.c (promoted_input_arg): Merge into ...
1198         * combine.c (setup_incoming_promotions): ... only caller.
1199         Rearrange to avoid double loop.
1201 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1202             Peter Bergner  <bergner@vnet.ibm.com>
1203             Janis Johnson  <janis187@us.ibm.com>
1205         * config/rs6000/dfp.md: New file.
1206         * config/rs6000/rs6000.md: Include dfp.md.
1207         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1208         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1209         and TDmode decimal float modes in FP registers.
1210         (num_insns_constant): Likewise.
1211         (rs6000_legitimate_offset_address_p): Likewise.
1212         (rs6000_legitimize_address): Likewise.
1213         (rs6000_legitimize_reload_address): Likewise.
1214         (rs6000_legitimate_address): Likewise.
1215         (rs6000_emit_move): Likewise.
1216         (function_arg_boundary): Likewise.
1217         (function_arg_advance): Likewise.
1218         (rs6000_darwin64_record_arg_recurse): Likewise.
1219         (function_arg): Likewise.
1220         (rs6000_gimplify_va_arg): Likewise.
1221         (rs6000_split_multireg_move): Likewise.
1222         (rs6000_output_function_epilogue): Likewise.
1223         (rs6000_output_function_epilogue): Likewise.
1224         (rs6000_register_move_cost): Likewise.
1225         (rs6000_function_value): Likewise.
1226         (rs6000_libcall_value): Likewise.
1228 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1230         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1232 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
1234         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1235         Use $MULTIDIR to choose between the kernel and RTP headers,
1236         and use $WIND_BASE and $WIND_USR to locate them.
1238 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1240         * config/i386/i386.c (override_options): Put initialization of
1241         ix86_tune_mask and ix86_arch_mask to the correct place.
1243 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1244             Michael Meissner  <michael.meissner@amd.com>
1246         PR target/31019
1247         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1248         (ARCHMASK): Define.
1249         (TARGET_CMOVE): Use ARCHMASK.
1250         (TARGET_CMPXCHG): Ditto.
1251         (TARGET_CMPXCHG8B): Ditto.
1252         (TARGET_XADD): Ditto.
1253         (TARGET_BSWAP): Ditto.
1254         * config/i386/i386.c (ix86_tune_mask): New global variable.
1255         (ix86_arch_mask): Ditto.
1256         (override_options): Initialize ix86_tune_mask and
1257         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1258         target_flags.
1260 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1262         PR 30992
1263         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1265 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
1267         * target.h (init_dwarf_reg_sizes_extra): New target hook.
1268         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1269         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1270         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1271         hook.
1272         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1273         rs6000_init_dwarf_reg_sizes_extra): New.
1274         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1275         SPE register high parts.
1277 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
1279         * Makefile.in: Add install-pdf target as
1280         copied from automake v1.10 rules.
1281         * configure.ac: Add install-pdf to target list.
1282         * configure: Regenerate.
1284 2007-03-01  Paul Brook  <paul@codesourcery.com>
1286         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1287         modes to LDRD for DImode.
1288         (output_move_double): Fixup out of range ldrd/strd.
1289         (vfp_secondary_reload_class): Rename...
1290         (coproc_secondary_reload_class): ... to this.  Add wb argument.
1291         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1292         coproc_secondary_reload_class for CLASS_IWMMXT.
1293         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1294         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1296 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1298         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
1299         factor by the estimated number of iterations.
1300         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1301         prefetch latency.
1303         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1304         decode_caches_intel, detect_caches_intel): New functions.
1305         (host_detect_local_cpu): Use detect_caches_amd and
1306         detect_caches_intel.
1308 2007-03-01  Richard Henderson  <rth@redhat.com>
1310         * expr.c (emit_move_complex_push): Export.
1311         (emit_move_complex_parts): Split out from ...
1312         (emit_move_complex): ... here.
1313         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1314         * config/i386/i386.md (movcdi): New.
1316 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
1318         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1319         size of mode1 to check for tieable modes in MMX case.
1321 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
1323         * Makefile.in (rtlanal.o): Depend on tree.h.
1324         * rtl.h (offset_within_section_p, split_const): Declare.
1325         * rtlanal.c: Include tree.h.
1326         (offset_within_block_p): New function, taken from
1327         mips_offset_within_object_p.
1328         (split_const): New function, taken from mips_split_const.
1329         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1330         Declare.
1331         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1332         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1333         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1334         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1335         (m68k_illegitimate_symbolic_constant_p): New function.
1336         * config/m68k/m68k.md (movsi): Remove misleading predicates.
1337         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1338         symbolic constant that might be outside the symbol's section,
1339         move the symbol first and then add the offset.
1340         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1341         Override.
1342         * config/mips/mips.c (mips_split_const): Delete.
1343         (mips_offset_within_object_p): Delete.
1344         (mips_symbolic_constant_p): Use offset_within_section_p and
1345         split_const instead of mips_offset_within_object_p and
1346         mips_split_const.
1347         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1348         (mips_legitimize_const_move, print_operand_reloc)
1349         (mips_dangerous_for_la25_p): Use split_const instead of
1350         mips_split_const.
1352 2007-02-28  Eric Christopher  <echristo@apple.com>
1354         * Makefile.in (install-include-dir): Don't rm -rf include.
1356 2007-02-28  Richard Guenther  <rguenther@suse.de>
1358         PR middle-end/30364
1359         * fold-const.c (fold_binary): Do not associate expressions
1360         with more than one variable for integer types that do not wrap.
1362 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1364         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1365         Delete, and replace with...
1366         (fold_builtin_call_array): This.  Update callers to use it.
1367         * fold-const.c (fold_build_call_list): Delete, and replace with...
1368         (fold_build_call_array): This.
1369         (fold_build_call_list_initializer): Delete, and replace with...
1370         (fold_build_call_array_initializer): This.
1371         * tree.h: Update declarations to reflect above changes.
1373         * c-typeck.c (build_function_call): Store converted arguments
1374         in a stack-allocated array instead of building a list.
1375         (convert_arguments): Store arguments in the array passed in as an
1376         argument, and return the actual number of arguments.
1377         * c-format.c: (check_function_format): Pass arguments in an
1378         array instead of a list.
1379         * c-common.c (check_function_nonnull): Likewise.
1380         (check_function_sentinel): Likewise.
1381         (check_function_arguments): Likewise.
1382         * c-common.h: Update declarations to reflect above changes.
1384 2007-02-28  Jan Hubicka  <jh@suse.cz>
1386         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1387         PRED_NEGATIVE_RETURN): Update outcomes.
1389 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1391         * calls.c (emit_library_call_value_1): Handle partial registers
1392         correctly when building up CALL_INSN_FUNCTION_USAGE.
1394 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1396         * pa/predicates.md (move_src_operand): Allow zero for mode.
1397         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1398         move pattern.
1400 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
1402         PR target/30970
1403         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1404         *movv2df_internal): Enable pattern only for valid operand
1405         combinations.
1406         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1407         tie only 128bit modes. For MMX registers, tie only 64bit modes.
1409 2007-02-27  Mike Stump  <mrs@apple.com>
1411         * config/darwin-crt3.c: Avoid compilation when compiling for a
1412         kext multilib.
1414 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
1416         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1417         FIXED_INCLUDE_DIR.
1418         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1419         for fixed headers and limits.h.
1420         (install-include-dir, install-headers-tar, install-headers-cpio,
1421         install-headers-cp, real-install-headers-tar,
1422         real-install-headers-cpio, real-install-headers-cp): Handle
1423         include-fixed as well as include.
1424         (install-mkheaders): Don't install files that go only in include
1425         not include-fixed.
1426         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1427         from GCC_INCLUDE_DIR.
1428         * gcc.c (process_command): Remove special -BstageN/ handling.
1429         (do_spec_1): Add include-fixed directories.
1431 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1433         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1434         _smulsi3_highpart.
1435         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1436         New functions.
1437         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1438         patterns.
1440 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
1442         * c-common.c (get_priority): Add check for
1443         SUPPORTS_INIT_PRIORITY.
1445 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1447         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1449         * config/bfin/bfin.c: Include "cfglayout.h".
1450         (MAX_LSETUP_DISTANCE): New macro.
1451         (struct loop_info): New members incoming, incoming_src and
1452         incoming_dest.  Delete member predecessor.
1453         (length_for_loop): New function.
1454         (bfin_optimize_loop): Handle more different loop structures.
1455         (bfin_discover_loop): Rework detection of predecessor blocks by
1456         examining incoming edges.
1457         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1458         bfin_reorg_loops.
1459         (bfin_reorder_loops): New function.
1460         (bfin_reorg_loops): Use these three new functions.
1462         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1463         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1464         (CONSTRAINT_LEN): Add entry for 'q'.
1465         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1466         Add 'q' constraints.
1467         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1468         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1470         * config/bfin/bfin.md (add_with_carry): New pattern.
1471         (s_or_u, su_optab, su_modifier): New code macros/attrs.
1472         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1473         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1474         support unsigned multiplies too.  Removed incorrect commutativity from
1475         operand 1 constraint where appropriate.
1476         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1477         patterns.
1478         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1479         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1480         New patterns.
1481         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1482         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1483         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1484         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1485         usmulhisi_hh_huh): New patterns.
1487         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1488         lshifthi3): Fix output template to use half reg for operand 2.
1490         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1491         instead of R2.
1493         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1495 2007-02-27  Andreas Schwab  <schwab@suse.de>
1497         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1499 2007-02-27  Jan Hubicka  <jh@suse.cz>
1501         * predict.c (last_basic_block_p): Remove.
1502         (tree_estimate_probability): Update return heuristic for commonized
1503         return blocks.
1505 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1507         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1509 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1511         * doc/include/gcc-common.texi (versionsubtitle): New macro.
1512         * doc/cpp.texi: Standardize title page.
1513         * doc/cppinternals.texi: Likewise.
1514         * doc/gcc.texi: Standardize title page, remove version number
1515         from copyright page.
1516         * doc/gccint.texi: Likewise.
1517         * doc/install.texi: Standardize title page, add table of
1518         contents.
1520 2007-02-26  Jan Hubicka  <jh@suse.cz>
1522         * predict.def: Set outcomes according to more recent results.
1523         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1524         Remove dead predictors.
1525         * predict.c (return_prediction): Fix pasto.
1527 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1529         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1530         change; avoid a memory leak when returning early.
1532 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
1534         * c-decl.c (static_ctors): Move to c-common.c.
1535         (static_dtors): Likewise.
1536         (finish_function): Use c_record_cdtor_fn.
1537         (build_cdtor): Move to c-common.c.
1538         (c_write_global_declarations): Use c_build_cdtor_fns.
1539         * c-common.h (static_ctors): Declare.
1540         (static_dtors): Likewise.
1541         (c_record_cdtor_fn): Likewise.
1542         (c_build_cdtor_fns): Likewise.
1543         * c-common.c (static_ctors): New variable.
1544         (static_dtors): Likewise.
1545         (c_record_cdtor_fn): New function.
1546         (build_cdtor): Move from c-decl.c
1547         (c_build_cdtor_fns): New function.
1549         * output.h (assemble_addr_to_section): Declare.
1550         (get_cdtor_priority_section): Likewise.
1551         * varasm.c (assemble_addr_to_section): New function.
1552         (get_cdtor_priority_section): Likewise.
1553         (default_named_section_asm_out_destructor): Use them.
1554         (destor_dtor_section_asm_out_destructor): Likewise.
1555         (default_named_section_asm_out_constructor): Likewise.
1556         (default_ctor_section_asm_out_constructor): Likewise.
1557         * config.gcc (*-*-vxworks*): Include vxworks.o.
1558         * config/t-vxworks (vxworks.o): New target.
1559         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
1560         (TARGET_ASM_CONSTRUCTOR): Define.
1561         (TARGET_ASM_DESTRUCTOR): Likewise.
1562         (vxworks_asm_out_constructor): Declare.
1563         (vxworks_asm_out_destructor): Likewise.
1565         * c-common.c (get_priority): Check that we have not just an
1566         INTEGER_CST, but an integer constant with integeral type.
1568 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
1570         PR tree-optimization/30938
1571         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
1572         use &dt[nargs-1] instead of &dt[nargs] in the call to
1573         vect_is_simple_use().
1575 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
1577         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
1578         from register elimination as PRE_MODIFY / POST_MODIFY increments.
1579         Do not attempt to handle MEM inside auto-inc expressions.
1580         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
1581         of a register modified by an auto-inc expression.  However, do handle
1582         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
1583         (elimination_effects): Prohibit elimination of a register modified
1584         by an auto-inc expression.  Disable register elimination rules whose
1585         target register is modified by an auto-inc expression with variable
1586         increment.
1588 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1590         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
1591         off-by-one error.
1592         (array_at_struct_end_p): New function.
1593         (idx_infer_loop_bounds): Use it.
1594         (estimate_numbers_of_iterations_loop): Export.
1595         * predict.c (predict_loops): Use estimated_loop_iterations_int.
1596         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
1597         (tree_estimate_probability): Call record_loop_exits.
1598         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
1599         (estimated_loop_iterations, estimated_loop_iterations_int,
1600         estimated_loop_iterations_tree): New functions.
1601         (analyze_siv_subscript_cst_affine,
1602         compute_overlap_steps_for_affine_1_2,
1603         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
1604         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
1605         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
1606         (PRED_LOOP_ITERATIONS_GUESSED): New.
1607         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
1608         * cfgloop.h (estimate_numbers_of_iterations_loop,
1609         estimated_loop_iterations_int): Declare.
1611 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
1613         * doc/extend.texi: Document optional priority argument to
1614         constructors and destructors.
1615         * tree.c (init_priority_for_decl): Adjust GTY markers.
1616         (init_ttree): Use priority-info hash functions for
1617         init_priority_for_decl.
1618         (tree_map_eq): Rename to ...
1619         (tree_map_base_eq): ... this.
1620         (tree_map_marked_p): Rename to ...
1621         (tree_map_base_marked_p): ... this.
1622         (tree_map_base_hash): New function.
1623         (decl_init_priority_lookup): Rework.
1624         (decl_fini_priority_lookup): New function.
1625         (decl_priority_info): New function.
1626         (decl_init_priority_insert): Use it.
1627         (decl_fini_priority_insert): Likewise.
1628         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
1629         hierarchy.
1630         (decl_restrict_base_insert): Likewise.
1631         (decl_debug_expr_insert): Likewise.
1632         (decl_value_expr_lookup): Likewise.
1633         (decl_value_expr_insert): Likewise.
1634         * tree.h (priority_type): New type.
1635         (decl_init_priority_lookup): Use priority_type.
1636         (decl_fini_priority_lookup): New function.
1637         (decl_init_priority_insert): Use priority_type.
1638         (decl_fini_priority_insert): New function.
1639         (DECL_HAS_INIT_PRIORITY): Tweak comments.
1640         (DECL_INIT_PRIORITY): Likewise.
1641         (SET_DECL_INIT_PRIORITY): Add comment.
1642         (DECL_FINI_PRIORITY): New macro.
1643         (SET_DECL_FINI_PRIORITY): Likewise.
1644         (DEFAULT_INIT_PRIORITY): Document.
1645         (MAX_INIT_PRIORITY): Likewise.
1646         (MAX_RESERVED_INIT_PRIORITY): Likewise.
1647         (tree_map_base): New type.
1648         (tree_map_base_eq): New function.
1649         (tree_map_base_hash): Likewise.
1650         (tree_map_base_marked_p): Likewise.
1651         (tree_map): Inherit from tree_map_base.
1652         (tree_map_eq): Make it a macro.
1653         (tree_map_marked_p): Likewise.
1654         (tree_int_map): Inherit from tree_map_base.
1655         (tree_int_map_eq): Make it a macro.
1656         (tree_int_map_hash): Likewise.
1657         (tree_int_map_marked_p): Likewise.
1658         (tree_priority_map): New type.
1659         (tree_priority_map_eq): New macro.
1660         (tree_priority_map_hash): Likewise.
1661         (tree_priority_map_marked_p): Likewise.
1662         * varasm.c (emults_decl): Adjust for refactoring of tree_map
1663         hierarchy.
1664         (emutls_common_1): Likewise.
1665         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1666         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1667         of tree_map hierarchy.
1668         * tree-cfg.c (move_stmt_r): Likewise.
1669         (new_label_mapper): Likewise.
1670         * c-tree.h (c_expand_body): Move to ...
1671         * c-common.h (c_expand_body): ... here.
1672         * c-decl.c (c_expand_body): Move to ...
1673         * c-common.c (c_expand_body): ... here.
1674         (c_common_attribute_table): Allow 1 argument for the constructor
1675         and destructor attributes.
1676         (get_priority): New function.
1677         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1678         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1680 2007-02-24  Jan Hubicka  <jh@suse.cz>
1682         PR middle-end/30509
1683         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1685 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1686             Jan Hubicka  <jh@suse.cz>
1688         PR target/30778
1689         * i386.c (counter_mode): New function.
1690         (expand_set_or_movmem_via_loop): Use it.
1691         (expand_movmem_epilogue): Likewise; fix pasto.
1692         (ix86_expand_movmem): Do emit guard even for constant counts.
1693         (ix86_expand_setmem): Likewise.
1695 2007-02-25  Nick Clifton  <nickc@redhat.com>
1697         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1698         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1700 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1702         PR target/30770
1703         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1704         count argument with 0x10, not with 0x16.
1705         (expand_setmem_epilogue): Ditto.
1707 2007-02-24  Mike Stump  <mrs@apple.com>
1709         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1710         symbols.
1712 2007-02-24  Richard Guenther  <rguenther@suse.de>
1714         PR middle-end/30951
1715         * fold-const.c (fold_binary): Fold x +- CST op x for
1716         EQ_EXPR and NE_EXPR.
1718 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1720         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1722 2007-02-24  Jan Hubicka  <jh@suse.cz>
1724         * cgraphunit.c (decide_is_function_needed): Honor
1725         -fkeep-inline-functions.
1727 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1729         * builtins.c (fold_builtin_modf): New.
1730         (fold_builtin_2): Use it.
1732 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1734         * loop-iv.c (implies_p): Detect additional cases where A implies B.
1735         (determine_max_iter): Take additional LOOP arg; all callers changed.
1736         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
1737         one using simplifications.
1738         (simplify_using_initial_values): Return if the expression becomes
1739         invalid due to altered regs.
1741 2007-02-23  DJ Delorie  <dj@redhat.com>
1743         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1745 2007-02-23  Mike Stump  <mrs@apple.com>
1747         * tlink.c (scan_linker_output): Parse linker messages from
1748         darwin9's linker better.
1750 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
1752         PR debug/29614
1753         * varpool.c (varpool_assemble_pending_decls):  Set
1754         varpool_last_needed_node to null.
1756 2007-02-23  DJ Delorie  <dj@redhat.com>
1758         * config/i386/i386.c (ix86_data_alignment): Don't specify an
1759         alignment bigger than the object file can handle.
1761 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
1763         PR target/30825
1764         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1765         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1766         (*movsf_1): Penalize MMX moves.
1768 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1770         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1771         2^32-1 or more times unless flag_unsafe_loop_optimizations.
1773         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1775 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1777         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1778         (fold_builtin_1): Use them.
1779         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1780         BUILT_IN_SIGNIFICAND.
1782 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1784         * config/i386/i386.c (bdesc_1arg): Initialize
1785         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1786         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1787         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1788         and IX86_BUILTIN_MOVSLDUP.
1790 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1792         PR rtl-optimization/30841
1793         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1795 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1797         * builtins.c (fold_builtin_frexp): New.
1798         (fold_builtin_2): Use it.
1800 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1802         * doc/invoke.texi (Spec Files): Document getenv spec function.
1804         * gcc.c (getenv_spec_function): New function.
1805         (static_spec_functions): Add it.
1806         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1807         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1808         header files.
1810 2007-02-22  Michael Matz  <matz@suse.de
1812         PR c++/29433
1813         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1814         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1816 2007-02-22  Ian Lance Taylor  <iant@google.com>
1818         PR debug/30898
1819         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1820         (mem_loc_descriptor): Call it.
1822 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1823             Ira Rosen  <irar@il.ibm.com>
1825         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1827 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1829         PR tree-optimization/30843
1830         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1831         stores only after all the group is vectorized.
1833 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1835         PR tree-optimization/30858
1836         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1837         in the reduction cycle have a single use in the loop.
1838         * tree-vectorizer.h (relevant): Add documentation.
1840 2007-02-20  Mike Stump  <mrs@apple.com>
1842         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1843         * configure: Regenerate.
1845 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1847         Change the defaults of some parameters and options.
1848         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1849         * config/spu/spu.c (spu_optimization_options): Add.
1850         (spu_override_options): Change params in spu_optimization_options.
1851         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1853         Register 127 is only 16 byte aligned when used as a frame pointer.
1854         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1855         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1856         HARD_FRAME_POINTER_REGNUM.
1857         (spu_legitimate_address):  Use regno_aligned_for_reload.
1858         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1859         aligned when frame_pointer_needed is true.
1860         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1861         to 8 bits.
1862         * config/spu/spu.h (INIT_EXPANDERS): Define.
1864         Make sure shift and rotate instructions have valid immediate operands.
1865         * config/spu/predicates.md (spu_shift_operand): Remove.
1866         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1867         * config/spu/constraints.md (W, O): Extend range.
1868         * config/spu/spu.md (umask, nmask): Define.
1869         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1870         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1871         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1872         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1873         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1874         (lshr<mode>3_reg):  Fix rtl description.
1876         Make sure mulhisi immediate operands are valid.
1877         * config/spu/predicates.md (imm_K_operand): Add.
1878         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1880         Generate constants using fsmbi and andi.
1881         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1882         (print_operand, spu_split_immediate, classify_immediate,
1883         fsmbi_const_p): Handle IC_FSMBI2.
1885         Correctly handle a CONST_VECTOR containing symbols.
1886         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1887         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1888         (immediate_load_p): Allow symbols that use 2 instructions to create.
1889         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1890         with symbols when flag_pic is set.
1891         (const_vector_immediate_p): New.
1892         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1893         accept a CONST_VECTOR with symbols.
1894         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1895         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1896         correctly.
1897         * config/spu/spu.md (high, low): Delete.
1898         (low_<mode>): Define.
1900         Remove INTRmode and INTR_REGNUM, which didn't work.
1901         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1902         of INTR_REGNUM.
1903         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1904         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1905         peephole2 pattern): Don't use INTR or 131.
1906         (movintrcc): Delete.
1907         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1908         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1909         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1910         (UNSPEC_SET_INTR): Add.
1911         * config/spu/spu-modes.def (INTR): Remove.
1913         More accurate warnings about run-time relocations.
1914         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1916         Correctly warn about immediate arguments to specific intrinsics.
1917         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1918         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1919         the instruction predicate.
1921         Fix tree check errors with latest update.
1922         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1923         CALL_EXPR_ARG.
1924         (spu_expand_builtin): Use CALL_EXPR_FN.
1926         Add missing specific intrinsics.
1927         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1928         si_bislede.
1929         * config/spu/spu_internals.h: Ditto.
1931         Fix incorrect operand modifiers.
1932         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1933         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1935         Optimize one case of zero_extend of a vec_select.
1936         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1938         Accept any immediate for hbr.
1939         * config/spu/spu.md (hbr):  Change s constraints to i.
1941 2007-02-21  Paul Brook  <paul@codesourcery.com>
1943         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1944         condexec_count when skipping USE and CLOBBER.
1946 2007-02-21  Nick Clifton  <nickc@redhat.com>
1948         * common.opt (Warray-bounds): Add Warning attribute.
1949         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1950         Likewise.
1951         (fsized-zeroes): Add Optimization attribute.
1952         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1953         * c.opt (Wc++0x-compat): Add Warning attribute.
1955 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1957         PR middle-end/30761
1958         * reload1.c (eliminate_regs_in_insn): In the single_set special
1959         case, attempt to re-recognize the insn before falling back to
1960         having reload fix it up.
1962 2007-02-20  Eric Christopher  <echristo@gmail.com>
1964         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1965         Rewrite accordingly.
1966         (frv_read_iacc_argument): Ditto.
1967         (frv_expand_set_builtin): Take a call instead of arglist, update for
1968         above changes.
1969         (frv_expand_unop_builtin): Ditto.
1970         (frv_expand_binop_builtin): Ditto.
1971         (frv_expand_cut_builtin): Ditto.
1972         (frv_expand_binopimm_builtin): Ditto.
1973         (frv_expand_voidbinop_builtin): Ditto.
1974         (frv_expand_int_void2arg): Ditto.
1975         (frv_expand_prefetches): Ditto.
1976         (frv_expand_voidtriop_builtin): Ditto.
1977         (frv_expand_voidaccop_builtin): Ditto.
1978         (frv_expand_load_builtin): Ditto.
1979         (frv_expand_store_builtin): Ditto.
1980         (frv_expand_mdpackh_builtin): Ditto.
1981         (frv_expand_mclracc_builtin): Ditto.
1982         (frv_expand_mrdacc_builtin): Ditto.
1983         (frv_expand_mwtacc_builtin): Ditto.
1984         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1985         calls for above.
1987 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1989         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1990         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1991         cmpb instruction.
1992         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1993         point instructions.
1994         * configure: Regenerate.
1995         * config.in: Regenerate.
1996         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1997         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1998         masks to power6 and power6x and to POWERPC_MASKS.
1999         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2000         _ARCH_PWR6.
2001         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2002         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2003         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2004         Access PROTOTYPE as variable, not mask.
2006 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
2008         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2009         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2010         * combine.c (adjust_for_new_dest): Use it.
2011         * postreload.c (reload_combine): Likewise.
2013 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
2015         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2016         notes on an insn with multiple sets, even if single_set returns
2017         non-NULL for that insn.
2019 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2021         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2022         scalbn and scalbln.
2024 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
2026         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2027         if user didn't pass it.
2028         * config/i386/darwin.h (CC1_SPEC): Likewise.
2029         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2030         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2031         -mmacosx-version-min.
2033 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2034             Uros Bizjak  <ubizjak@gmail.com>
2036         * optabs.h (enum optab_index): Add new OTI_scalb.
2037         (scalb_optab): Define corresponding macro.
2038         * optabs.c (init_optabs): Initialize scalb_optab.
2039         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2040         patterns.
2041         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2042         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2043         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2044         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2045         flag_unsafe_math_optimizations is set.
2047         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2048         to implement scalbf, scalb and scalbl built-ins as inline x87
2049         intrinsics.
2051 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2052             DJ Delorie <dj@redhat.com>
2054         PR other/30824
2055         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2056         (diagnostic_report_diagnostic): ... here, and turn them into real
2057         errors. If warnings are inhibited, no need to do anything.
2059 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
2061         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2062         better code generation.
2064 2007-02-20  Ben Elliston  <bje@au.ibm.com>
2066         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2068 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
2070         * config/alpha/alpha.c, config/alpha/alpha.md,
2071         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2072         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2073         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2074         config/arm/lib1funcs.asm: Follow spelling conventions.
2076         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2077         config/fr30/fr30.md, config/i386/i386.h,
2078         config/iq2000/iq2000.h, config/iq2000/predicates.md,
2079         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2080         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2081         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2082         config/rs6000/altivec.md, config/rs6000/rs6000.c,
2083         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2084         config/sparc/sparc.c, config/sparc/sparc.h,
2085         config/sparc/sparc.md, config/spu/constraints.md,
2086         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2087         conventions.
2089 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
2091         PR target/29943
2092         * varasm.c (use_blocks_for_decl_p): Return false for decls with
2093         alias attribute.
2095 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2097         * doc/invoke.texi (-ftree-lrs): Remove.
2099 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
2101         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2102         NULL.
2104 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
2106         * config/ia64/ia64.c (ia64_expand_builtin): Use the
2107         new CALL_EXPR_FN macro for retrieving the function
2108         declaration of the input expression.
2110 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2112         * c.opt (Waddress): New.
2113         * common.opt (Walways-true): Delete.
2114         (Wstring-literal-comparison): Delete.
2115         * doc/invoke.texi (Warning Options): Delete -Walways-true and
2116         -Wstring-literal-comparison. Add -Waddress.
2117         (Waddress): New.
2118         (Walways-true): Delete.
2119         (Wstring-literal-comparison): Delete.
2120         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2121         consistently instead of -Walways-true in example.
2122         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2123         * c-typeck.c (parser_build_binary_op): Replace
2124         -Wstring-literal-comparison and -Walways-true with -Waddress.
2125         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2126         with -Waddress.
2128 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2130         * tree-cfg.c (dump_function_to_file): Be prepared for functions
2131         without DECL_STRUCT_FUNCTION initialized.
2133 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2135         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2136         due to calls to functions taking pointers as parameters.
2138 2007-02-19  Richard Henderson  <rth@redhat.com>
2140         PR debug/29558
2141         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2142         in memory.
2144 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2146         * config/s390/s390.c (s390_call_saved_register_used,
2147         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2148         accessed to the new scheme.
2150 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2152         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2153         (cris_print_index, cris_print_operand, cris_print_operand_address)
2154         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2155         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2156         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2157         GET_CODE () == xxx.
2158         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2159         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2160         GO_IF_LEGITIMATE_ADDRESS): Ditto.
2161         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2162         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2163         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2164         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2165         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2166         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2167         (uminsi3, call, call_value): Ditto.
2168         (define_split: indir_to_reg_split, unnamed): Ditto.
2170 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
2172         PR tree-optimization/30975
2173         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2174         wrong assert.
2176 2007-02-18  Eric Christopher  <echristo@gmail.com>
2178         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2179         Remove use of arglist.
2180         (mips_expand_builtin): Remove use of arglist, pass in expr.
2181         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2182         (mips_expand_builtin_movtf): Ditto.
2183         (mips_expand_builtin_compare): Ditto.
2185 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2187         * tree-sra.c (sra_build_assignment): Replace assertion
2188         checking with a comment explaining why it can't be done.
2190 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2192         PR middle-end/30833
2193         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2194         during CALL_EXPR representation conversion.
2195         * tree-ssa-propagate.c (set_rhs): Likewise.
2197 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2199         * tree-sra.c (sra_build_assignment): Disable assertion checking
2200         for now.
2202 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2204         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2205         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2206         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2207         Likewise.
2208         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2209         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
2210         gimplify_init_ctor_eval_range, gimple_push_cleanup,
2211         gimplify_omp_for, gimplify_omp_atomic_pipeline,
2212         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2213         force_gimple_operand): Likewise.
2214         * ipa-cp.c (constant_val_insert): Likewise.
2215         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2216         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2217         perfect_nestify): Likewise.
2218         * langhooks.c (lhd_omp_assignment): Likewise.
2219         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2220         lower_copyprivate_clauses, lower_send_clauses,
2221         lower_send_shared_vars, expand_parallel_call,
2222         expand_omp_for_generic, expand_omp_for_static_nochunk,
2223         expand_omp_for_static_chunk, expand_omp_sections,
2224         lower_omp_single_copy, lower_omp_for_lastprivate,
2225         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2226         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2227         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2228         Likewise.
2230 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2232         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2233         config/sh/sh.md: Follow spelling conventions.
2235         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2236         config/frv/predicates.md: Follow spelling conventions.
2238         * config/m68k/linux-unwind.h: Fix a comment typo.
2239         * target.h: Follow spelling conventions.
2241 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2243         PR rtl-optimization/28173
2244         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
2245         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2246         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2247         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2248         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2250 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2252         * builtins.c (fold_builtin_load_exponent): New.
2253         (fold_builtin_2): Use it.
2255 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
2257         PR rtl-optimization/30773
2258         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2259         if we fail to attach a REG_EQUIV note.
2261 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
2262             Roger Sayle  <roger@eyesopen.com>
2264         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2266 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2268         * calls.c (initialize_argument_information): Pass original EXP
2269         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
2270         code to split complex arguments here, as part of initializing the
2271         ARGS array.
2272         (expand_call): Remove code that builds a list of arguments and
2273         inserts implicit arguments into it.  Instead, just count how many
2274         implicit arguments there will be so we can determine the size of
2275         the ARGS array, and let initialize_argument_information do the work.
2276         (split_complex_values): Delete unused function.
2278 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2280         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2282 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2284         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2285         for arg pointer based indexed addressing.
2287 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2289         * config/ia64/ia64.h, config/ia64/ia64.md,
2290         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2291         spelling conventions.
2293 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2295         * config/m68k/m68k.c (split_di): New.
2296         * config/m68k/m68k-protos.h: Declare split_di.
2297         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2298           Improve predicate handling and split constant shifts.
2300 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2302         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2303         parameter for register bitfield operations, general predicates
2304         cleanup
2306 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2308         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2309         * config/m68k/linux-unwind.h: New file.
2311 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2313         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2314         config/i386/athlon.md, config/ia64/ia64.md,
2315         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2316         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2317         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2318         tree-ssa-loop-niter.c, tree-vect-analyze.c,
2319         tree-vect-transform.c: Fix comment typos.
2321 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
2323         * sched-deps.c (find_insn_list): Remove.
2324         * sched-int.h: Remove the prototype for find_insn_list.
2326 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
2328         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2329         to linker.
2330         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2331         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2332         darwin_rs6000_override_options.
2333         (C_COMMON_OVERRIDE_OPTIONS): Expect
2334         darwin_macosx_version_min to be non-NULL always.
2335         (TARGET_C99_FUNCTIONS): Likewise.
2336         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2337         (DARWIN_MINVERSION_SPEC): New.
2338         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2339         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2340         to cc1*.
2341         (DARWIN_MINVERSION_SPEC): New.
2342         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2343         value.
2344         * config/darwin-c.c (darwin_cpp_builtins): Expect
2345         darwin_macosx_version_min to be non-NULL always.
2347         * config/rs6000/rs6000.c: Clean up trailing whitespace.
2349 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
2351         * config/i386/i386.h (x86_use_xchgb): New.
2352         (TARGET_USE_XCHGB): New macro.
2353         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2354         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2355         Split after reload into bswaphi for shifts of 8.
2356         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2357         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2358         or when optimizing for size.
2360 2007-02-16  Richard Guenther  <rguenther@suse.de>
2361             Christian Bruel  <christian.bruel@st.com>
2363         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2364         DECLs but prefer SSA_NAMEs over DECLs.
2366 2007-02-16  Richard Guenther  <rguenther@suse.de>
2368         * tree-flow-inline.h (single_imm_use_p): Remove.
2369         (zero_imm_uses_p): Likewise.
2370         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2371         instead of single_imm_use_p.
2372         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2373         zero_imm_uses_p.
2375 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2377         PR other/27843
2378         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2379         nested double- and backquotes.
2381 2007-02-15  Roger Sayle  <roger@eyesopen.com>
2383         PR middle-end/30391
2384         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
2385         should be unreachable.
2386         (build2_stat): Allow construction of MODIFY_EXPR at any time.
2387         For the time being redirect GIMPLE_MODIFY_STMT to the new
2388         (renamed) build_gimple_modify_stmt_stat.
2389         (build2_gimple_stat): Rename to...
2390         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2391         Always build a GIMPLE_MODIFY_STMT node.
2392         * tree.h (build2_gimple, build2_gimple_stat): Delete.
2393         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2394         declarations.
2396         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2397         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2398         * tree-complex.c (set_component_ssa_name, expand_complex_move,
2399         expand_complex_div_wide): Likewise.
2400         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2401         * tree-ssa-loop-im.c (schedule_sm): Likewise.
2402         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2403         * tree-ssa-loop-manip.c (create_iv): Likewise.
2404         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2405         abs_replacement): Likewise.
2406         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2407         realify_fake_stores): Likewise.
2409         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2410         node rather than a GIMPLE_MODIFY_STMT node.
2411         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2412         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2413         Likewise.
2414         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2415         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2416         GIMPLE_MODIFY_STMT.
2418 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2420         PR middle-end/30433
2421         * fold-const.c (fold_comparison): Add back the
2422         folding of constant complex comparisions.
2424 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2426         PR middle-end/30729
2427         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2428         effects unknown to this function, return early.
2430 2007-02-15  Ian Lance Taylor  <iant@google.com>
2432         * lower-subreg.c (move_eh_region_note): New static function.
2433         (resolve_simple_move): Call it.
2434         (decompose_multiword_subregs): Track blocks for which we resolve a
2435         simple move which is also a control flow insn.  Pass them to
2436         find_many_sub_basic_blocks.
2437         (pass_lower_subreg): Add TODO_verify_flow.
2438         (pass_lower_subreg2): Likewise.
2440 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2441             Brooks Moses  <brooks.moses@codesourcery.com>
2442             Lee Millward  <lee.millward@codesourcery.com>
2444         * tree.h (enum tree_code_class): Add tcc_vl_exp.
2445         (VL_EXP_CLASS_P): New.
2446         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2447         TREE_CODE_LENGTH.
2448         (TREE_OPERAND_CHECK_CODE): Likewise.
2449         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2450         (TREE_RTL_OPERAND_CHECK): Likewise.
2451         (tree_operand_check_failed): Make second parameter the whole tree
2452         instead of its code.  Fixed callers.
2453         (VL_EXP_CHECK): New.
2454         (TREE_OPERAND_LENGTH): New.
2455         (VL_EXP_OPERAND_LENGTH): New.
2456         (CALL_EXPR_FN): New.
2457         (CALL_EXPR_STATIC_CHAIN): New.
2458         (CALL_EXPR_ARGS): New.
2459         (CALL_EXPR_ARG): New.
2460         (call_expr_nargs): New.
2461         (CALL_EXPR_ARGP): New.
2462         (build_nt_call_list): Declare.
2463         (build_vl_exp_stat): Declare.
2464         (build_vl_exp): New.
2465         (build_call_list): Declare.
2466         (build_call_nary): Declare.
2467         (build_call_valist): Declare.
2468         (build_call_array): Declare.
2469         (call_expr_arg): Declare.
2470         (call_expr_argp): Declare.
2471         (call_expr_arglist): Declare.
2472         (fold_build_call_list): Declare.
2473         (fold_build_call_list_initializer): Declare.
2474         (fold_call_expr): Declare to replace fold_builtin.
2475         (fold_builtin_fputs): Update to agree with modified definition.
2476         (fold_builtin_strcpy): Likewise.
2477         (fold_builtin_strncpy): Likewise.
2478         (fold_builtin_memory_chk): Likewise.
2479         (fold_builtin_stxcpy_chk): Likewise.
2480         (fold_builtin_strncpy_chk): Likewise.
2481         (fold_builtin_next_arg): Likewise.
2482         (fold_build_call_expr): Declare.
2483         (fold_builtin_call_list): Declare.
2484         (fold_builtin_call_valist): Declare.
2485         (build_call_expr): Declare.
2486         (validate_arglist): Update to agree with modified definition.
2487         (tree_operand_length): New.
2488         (call_expr_arg_iterator): New.
2489         (init_call_expr_arg_iterator): New.
2490         (next_call_expr_arg): New.
2491         (first_call_expr_arg): New.
2492         (more_call_expr_args_p): New.
2493         (FOR_EACH_CALL_EXPR_ARG): New.
2495         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2496         and tcc_gimple_stmt.
2497         (tree_code_size): Update documentation.  Use sizeof (tree) rather
2498         than sizeof (char *).
2499         (tree_size): Likewise.  Add case for tcc_vl_exp.
2500         (tree_node_structure): Add case for tcc_vl_exp.
2501         (contains_placeholder_p): Likewise.
2502         (substitute_in_expr): Likewise.
2503         (substitute_placeholder_in_expr): Likewise.
2504         (stabilize_reference_1): Likewise.
2505         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
2506         to diagnose breakage of this interface for constructing CALL_EXPRs.
2507         (build_nt): Add similar assertion here.
2508         (build_nt_call_list): New.
2509         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2510         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2511         TREE_CODE_LENGTH.
2512         (get_callee_fndecl): Use new CALL_EXPR accessors.
2513         (tree_operand_check_failed): Change parameters to pass entire node
2514         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2515         (process_call_operands): New.
2516         (build_vl_exp_stat): New.
2517         (build_call_list): New.
2518         (build_call_nary): New.
2519         (build_call_valist): New.
2520         (build_call_array): New.
2521         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2522         (call_expr_arglist): New.
2524         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2525         tcc_vl_exp instead of a fixed-size tcc_expression.
2527         * doc/c-tree.texi (CALL_EXPR): Document new representation and
2528         accessors for CALL_EXPRs.
2529         (AGGR_INIT_EXPR): Likewise.
2531 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2532             Brooks Moses  <brooks.moses@codesourcery.com>
2533             Lee Millward  <lee.millward@codesourcery.com>
2535         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2536         (expand_builtin_nonlocal_goto): Change parameter to be entire
2537         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
2538         (expand_builtin_prefetch): Likewise.
2539         (expand_builtin_classify_type): Likewise.
2540         (mathfn_built_in): Return NULL_TREE instead of 0.
2541         (expand_errno_check): Use new CALL_EXPR accessors.
2542         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
2543         Return NULL_RTX instead of 0.
2544         (expand_builtin_mathfn_2): Likewise.
2545         (expand_builtin_mathfn_3): Likewise.
2546         (expand_builtin_interclass_mathfn): Likewise.
2547         (expand_builtin_sincos): Likewise.
2548         (expand_builtin_cexpi): Likewise.
2549         (expand_builtin_int_roundingfn): Likewise.
2550         (expand_builtin_int_roundingfn_2): Likewise.
2551         (expand_builtin_pow): Likewise.
2552         (expand_builtin_powi): Likewise.
2553         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
2554         of arglist, fixing callers appropriately.  Use new CALL_EXPR
2555         accessors and constructors.  Return NULL_RTX instead of 0.
2556         (expand_builtin_strstr): Likewise.
2557         (expand_builtin_strchr): Likewise.
2558         (expand_builtin_strrchr): Likewise.
2559         (expand_builtin_strpbrk): Likewise.
2560         (expand_builtin_memcpy): Likewise.
2561         (expand_builtin_mempcpy): Likewise.
2562         (expand_builtin_mempcpy_args): New.
2563         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
2564         (expand_builtin_memmove_args): New.
2565         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
2566         (expand_movstr): Likewise.
2567         (expand_builtin_strcpy): Likewise.
2568         (expand_builtin_strcpy_args): New.
2569         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
2570         (expand_builtin_strncpy): Likewise.
2571         (expand_builtin_memset): Likewise.
2572         (expand_builtin_memset_args): New.
2573         (expand_builtin_bzero): Similarly to expand_builtin_memset.
2574         (expand_builtin_memcmp): Likewise.
2575         (expand_builtin_strcmp): Likewise.
2576         (expand_builtin_strncmp): Likewise.
2577         (expand_builtin_strcat): Likewise.
2578         (expand_builtin_strncat): Likewise.
2579         (expand_builtin_strspn): Likewise.
2580         (expand_builtin_strcspn): Likewise.
2581         (expand_builtin_args_info): Likewise.
2582         (expand_builtin_va_start): Likewise.
2583         (gimplify_va_arg_expr): Likewise.
2584         (expand_builtin_va_end): Likewise.
2585         (expand_builtin_va_copy): Likewise.
2586         (expand_builtin_frame_address): Likewise.
2587         (expand_builtin_alloca): Likewise.
2588         (expand_builtin_bswap): Likewise.
2589         (expand_builtin_unop): Likewise.
2590         (expand_builtin_fputs): Likewise.
2591         (expand_builtin_expect): Likewise.
2592         (expand_builtin_fabs): Likewise.
2593         (expand_builtin_copysign): Likewise.
2594         (expand_builtin_printf): Likewise.
2595         (expand_builtin_fprintf): Likewise.
2596         (expand_builtin_sprintf): Likewise.
2597         (expand_builtin_init_trampoline): Likewise.
2598         (expand_builtin_signbit): Likewise.
2599         (expand_builtin_fork_or_exec): Likewise.
2600         (expand_builtin_sync_operation): Likewise.
2601         (expand_builtin_compare_and_swap): Likewise.
2602         (expand_builtin_lock_test_and_set): Likewise.
2603         (expand_builtin_lock_release): Likewise.
2604         (expand_builtin): Likewise.
2605         (builtin_mathfn_code): Likewise.
2607         (fold_builtin_constant_p): Pass call arguments individually instead
2608         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2609         accessors and constructors.  Return NULL_TREE instead of 0.
2610         (fold_builtin_expect): Likewise.
2611         (fold_builtin_classify_type): Likewise.
2612         (fold_builtin_strlen): Likewise.
2613         (fold_builtin_nan): Likewise.
2614         (integer_valued_real_p): Likewise.
2615         (fold_trunc_transparent_mathfn): Likewise.
2616         (fold_fixed_mathfn): Likewise.
2617         (fold_builtin_cabs): Likewise.
2618         (fold_builtin_sqrt): Likewise.
2619         (fold_builtin_cbrt): Likewise.
2620         (fold_builtin_cos): Likewise.
2621         (fold_builtin_cosh): Likewise.
2622         (fold_builtin_tan): Likewise.
2623         (fold_builtin_sincos): Likewise.
2624         (fold_builtin_cexp): Likewise.
2625         (fold_builtin_trunc): Likewise.
2626         (fold_builtin_floor): Likewise.
2627         (fold_builtin_ceil): Likewise.
2628         (fold_builtin_round): Likewise.
2629         (fold_builtin_int_roundingfn): Likewise.
2630         (fold_builtin_bitop): Likewise.
2631         (fold_builtin_bswap): Likewise.
2632         (fold_builtin_logarithm): Likewise.
2633         (fold_builtin_hypot): Likewise.
2634         (fold_builtin_pow): Likewise.
2635         (fold_builtin_powi): Likewise.
2636         (fold_builtin_exponent): Likewise.
2637         (fold_builtin_memset): Likewise.
2638         (fold_builtin_bzero): Likewise.
2639         (fold_builtin_memory_op): Likewise.
2640         (fold_builtin_bcopy): Deleted; call site changed to invoke
2641         fold_builtin_memory_op directly.
2642         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
2643         (fold_builtin_strncpy): Likewise.
2644         (fold_builtin_memcmp): Likewise.
2645         (fold_builtin_strcmp): Likewise.
2646         (fold_builtin_strncmp): Likewise.
2647         (fold_builtin_signbit): Likewise.
2648         (fold_builtin_copysign): Likewise.
2649         (fold_builtin_isascii): Likewise.
2650         (fold_builtin_toascii): Likewise.
2651         (fold_builtin_isdigit): Likewise.
2652         (fold_builtin_fabs): Likewise.
2653         (fold_builtin_abs): Likewise.
2654         (fold_builtin_fmin_fmax): Likewise.
2655         (fold_builtin_carg): Likewise.
2656         (fold_builtin_classify): Likewise.
2657         (fold_builtin_unordered_cmp): Likewise.
2659         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2660         New functions split out from fold_builtin_1.
2661         (fold_builtin_n): New.
2662         (fold_builtin_varargs): New.
2663         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
2664         instead.
2665         (fold_call_expr): New.
2666         (build_function_call_expr): Rewrite to use new helper function.
2667         (fold_builtin_call_list): New.
2668         (build_call_expr): New.
2669         (fold_builtin_call_valist): New.
2670         (rewrite_call_expr): New.
2671         (validate_arg): New.
2672         (validate_arglist): Change parameter to be entire CALL_EXPR instead
2673         of an arglist.  Change return type to bool.  Use new CALL_EXPR
2674         accessors.
2676         (fold_builtin_strstr):  Pass call arguments individually instead
2677         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2678         accessors and constructors.  Return NULL_TREE instead of 0.
2679         (fold_builtin_strchr): Likewise.
2680         (fold_builtin_strrchr): Likewise.
2681         (fold_builtin_strpbrk): Likewise.
2682         (fold_builtin_strcat): Likewise.
2683         (fold_builtin_strncat): Likewise.
2684         (fold_builtin_strspn): Likewise.
2685         (fold_builtin_strcspn): Likewise.
2686         (fold_builtin_fputs): Likewise.
2687         (fold_builtin_next_arg): Likewise.
2688         (fold_builtin_sprintf): Likewise.
2690         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
2691         NULL_RTX instead of 0.
2692         (expand_builtin_memory_chk): Likewise.
2693         (maybe_emit_chk_warning): Likewise.
2694         (maybe_emit_sprintf_chk_warning): Likewise.
2696         (fold_builtin_object_size): Pass call arguments individually instead
2697         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2698         accessors and constructors.  Return NULL_TREE instead of 0.
2699         (fold_builtin_memory_chk): Likewise.
2700         (fold_builtin_stxcpy_chk): Likewise.
2701         (fold_builtin_strncpy_chk): Likewise.
2702         (fold_builtin_strcat_chk): Likewise.
2703         (fold_builtin_strcat_chk): Likewise.
2704         (fold_builtin_strncat_chk): Likewise.
2705         (fold_builtin_sprintf_chk): Likewise.
2706         (fold_builtin_snprintf_chk): Likewise.
2707         (fold_builtin_printf): Likewise.
2708         (fold_builtin_vprintf): Likewise.
2710         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2711         constructors.
2712         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2713         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2714         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2715         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2716         (fold_unary): Likewise.
2717         (fold_binary): Likewise.
2718         (fold_ternary): Remove CALL_EXPR case, since they are no longer
2719         ternary expressions.
2720         (fold): Add logic for tcc_vl_exp.
2721         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
2722         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2723         (fold_build3_stat): Add assertion to flag broken interface for
2724         constructing CALL_EXPRs.
2725         (fold_build_call_list): New.
2726         (fold_build_call_list_initializer): New.
2727         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2728         constructors.
2729         (fold_strip_sign_ops): Likewise.
2731 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2732             Brooks Moses  <brooks.moses@codesourcery.com>
2733             Lee Millward  <lee.millward@codesourcery.com>
2735         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2736         accessors and dump arguments explicitly.
2738         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2739         TREE_CODE_LENGTH.
2740         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2741         explicitly.
2742         (print_call_name): Use new CALL_EXPR accessors.
2744         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
2745         CALL_EXPR arguments explicitly instead of as a list.  Use
2746         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2748         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2749         (vrp_visit_stmt): Likewise.
2751         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
2752         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
2753         TREE_CODE_LENGTH.
2754         (force_move_till_expr): Likewise.
2756         * targhooks.c (default_external_stack_protect_fail): Use
2757         build_call_expr instead of build_function_call_expr.
2758         (default_hidden_stack_protect_fail): Likewise.
2760         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2761         build the call.
2763         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2764         and walk arguments explicitly.
2766         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2767         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2768         (expand_simple_operations): Likewise.
2769         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2771         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2772         of TREE_CODE_LENGTH.
2773         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2775         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2776         instead of TREE_CODE_LENGTH.
2778         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2779         (tree_ic_transform): Likewise.
2780         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2781         parameter instead of arglist.  Fix callers.
2782         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2783         (tree_stringops_transform): Likewise.
2784         (tree_indirect_call_to_profile): Likewise.
2785         (tree_stringops_values_to_profile): Likewise.
2787         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2788         (eliminate_tail_call): Likewise.
2790         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2792         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2793         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2794         operands.
2795         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2797         * omp-low.c (build_omp_barrier): Use build_call_expr.
2798         (lower_rec_input_clauses): Likewise.
2799         (lower_reduction_clauses): Likewise.
2800         (expand_parallel_call): Likewise.
2801         (maybe_catch_exception): Likewise.
2802         (expand_omp_for_generic): Likewise.
2803         (expand_omp_for_static_nochunk): Likewise.
2804         (expand_omp_sections): Likewise.
2805         (lower_omp_single_simple): Likewise.
2806         (lower_omp_single_copy): Likewise.
2807         (lower_omp_master): Likewise.
2808         (lower_omp_ordered): Likewise.
2809         (lower_omp_critical): Likewise.
2811         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2812         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2814         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2815         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2816         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2818         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2819         and generalize to handle any number of operands.
2820         (chrec_contains_undetermined): Likewise.
2821         (tree_contains_chrecs): Likewise.
2822         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2824         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2826         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2827         fold_call_expr instead of fold_builtin.
2828         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2829         match declarations there.
2830         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2831         updates.
2833         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2834         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2836         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2837         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2839         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2840         accessors.
2842         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2843         (execute_cse_sincos): Use new CALL_EXPR accessors.
2845         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2847         * gimple-low.c (lower_function_body): Use build_call_expr.
2848         (lower_builtin_setjmp): Likewise.
2850         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2851         (set_storage_via_libcall): Likewise.
2852         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2853         instead of TREE_CODE_LENGTH.
2854         (expand_expr_real_1): Use new CALL_EXPR accessors.
2856         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2857         generalize to handle any number of operands.
2858         (TB_parent_eq): Likewise.
2860         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2861         (strip_builtin_expect): Likewise.
2863         * function.c (gimplify_parameters): Use build_call_expr.
2865         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2866         instead of TREE_CODE_LENGTH.
2868         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2869         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2871         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2872         iterators.
2874         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2875         (gimplify_decl_expr): Likewise.
2876         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2877         Use new CALL_EXPR iterators.
2878         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2879         (gimplify_modify_expr_to_memset): Likewise.
2880         (gimplify_variable_sized_compare): Likewise.
2881         (gimplify_omp_atomic_fetch_op): Likewise.
2882         (gimplify_omp_atomic_pipeline): Likewise.
2883         (gimplify_omp_atomic_mutex): Likewise.
2884         (gimplify_function_tree): Likewise.
2886         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2887         (call_expr_flags): Likewise.
2888         (expand_call): Likewise.
2890         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2891         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2892         accessors.
2894         * coverage.c (create_coverage): Use build_call_expr.
2896         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2897         (temp_call_expr_obstack): New.
2898         (pool_copy_list): Delete.
2899         (temp_copy_call_expr): New.
2900         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2901         CALL_EXPR accessors.  Get rid of special goo for copying argument
2902         lists and use temp_copy_call_expr instead.
2903         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2904         CALL_EXPR accessors.
2905         (create_expression_by_pieces): Likewise.  Use build_call_array
2906         to construct the result instead of fold_build3.
2907         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2908         dealing with argument lists.
2909         (init_pre): Remove references to expression_node_pool and
2910         list_node_pool.  Init temp_call_expr_obstack instead.
2911         (fini_pre): Remove references to expression_node_pool and
2912         list_node_pool.
2914         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2915         and walk arguments explicitly instead of as a list.
2917         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2918         (mx_register_decls): Likewise.
2919         (mudflap_register_call): Likewise.
2920         (mudflap_finish_file): Likewise.
2922         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2923         (ipa_callsite_compute_param): Likewise.
2925         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2926         accessors and constructor.
2928         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2929         accessors and constructor.
2930         (convert_tramp_reference): Likewise.
2931         (convert_call_expr): Likewise.
2932         (finalize_nesting_tree_1): Likewise.
2934         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2935         accessors.
2937         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2939         * tree-inline.c (initialize_inlined_parameters): Pass entire
2940         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2941         accessors.
2942         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2943         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2945         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2946         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2947         (vectorizable_reduction): Likewise.
2948         (vectorizable_call): Use new CALL_EXPR iterators.
2949         (vectorizable_conversion): Use build_call_expr.
2950         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2951         (vect_gen_widened_results_half): Use build_call_expr.
2952         (vect_setup_realignment): Likewise.
2953         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2955         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2956         (pass_through_call): Likewise.
2957         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2958         fold_builtin.
2960         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2961         (tree_gen_pow2_profiler): Likewise.
2962         (tree_gen_one_value_profiler): Likewise.
2963         (tree_gen_ic_func_profiler): Likewise.
2964         (tree_gen_average_profiler): Likewise.
2965         (tree_gen_ior_profiler): Likewise.
2967         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2968         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2969         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2971         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2972         of TREE_CODE_LENGTH.
2974         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2975         of TREE_CODE_LENGTH.
2977         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2978         constructor.
2979         (convert_to_integer): Likewise.
2981         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2982         accessors.
2984 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2985             Brooks Moses  <brooks.moses@codesourcery.com>
2986             Lee Millward  <lee.millward@codesourcery.com>
2988         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2989         accessors.
2990         * config/frv/frv.c (frv_expand_builtin): Likewise.
2991         * config/s390/s390.c (s390_expand_builtin): Likewise.
2993         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2994         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2996         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2997         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2998         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2999         (ix86_expand_store_builtin): Likewise.
3000         (ix86_expand_unop_builtin): Likewise.
3001         (ix86_expand_unop1_builtin): Likewise.
3002         (ix86_expand_sse_compare): Likewise.
3003         (ix86_expand_sse_comi): Likewise.
3004         (ix86_expand_vec_init_builtin): Likewise.
3005         (ix86_expand_vec_ext_builtin): Likewise.
3006         (ix86_expand_vec_set_builtin): Likewise.
3007         (ix86_expand_builtin): Use new CALL_EXPR accessors.
3009         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3010         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3012         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3013         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3014         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3016         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3017         build_call_expr.
3018         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3019         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3020         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3021         (altivec_expand_abs_builtin): Likewise.
3022         (rs6000_expand_binop_builtin): Likewise.
3023         (altivec_expand_predicate_builtin): Likewise.
3024         (altivec_expand_lv_builtin): Likewise.
3025         (spe_expand_stv_builtin): Likewise.
3026         (altivec_expand_stv_builtin): Likewise.
3027         (rs6000_expand_ternop_builtin): Likewise.
3028         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3029         (altivec_expand_st_builtin): Likewise.
3030         (altivec_expand_dst_builtin): Likewise.
3031         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3032         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3033         (altivec_expand_vec_set_builtin): Likewise.
3034         (altivec_expand_vec_ext_builtin): Likewise.
3035         (altivec_expand_builtin): Use new CALL_EXPR accessors.
3036         (spe_expand_builtin): Likewise.
3037         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3038         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3039         (spe_expand_evsel_builtin): Likewise.
3040         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
3041         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3043         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3044         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3045         (arm_expand_unop_builtin): Likewise.
3046         (arm_expand_builtin): Use new CALL_EXPR accessors.
3048         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
3049         accessors.
3051         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3052         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3053         (bfin_expand_unop_builtin): Likewise.
3054         (bfin_expand_builtin): Use new CALL_EXPR accessors.
3056 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3057             Brooks Moses  <brooks.moses@codesourcery.com>
3058             Lee Millward  <lee.millward@codesourcery.com>
3060         * c-semantics.c (build_stmt): Add internal diagnostic check.
3062         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3063         accessors.  Print arguments explicitly instead of as a list.
3065         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3067         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3068         (c_finish_omp_flish): Likewise.
3070         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
3071         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
3072         instead of TREE_CODE_LENGTH.
3073         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3074         (c_warn_unused_result): Likewise.
3076 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3078         PR c/26494
3079         * doc/invoke.texi (Warning Options): Remove
3080         -Werror-implicit-function-declaration.
3081         (Wimplicit-function-declaration): Update description.
3082         * opts.c (common_handle_option): Move handling of -Werror=* to...
3083         (enable_warning_as_error): ...here.
3084         * opts.h (enable_warning_as_error): Declare.
3085         * c-decl.c (implicit_decl_warning): Unless
3086         -Wno-implicit-function-declaration is given, emit a pedwarn if
3087         -std=c99 or emit a warning if -Wimplicit-function-declaration.
3088         * c.opt (Wimplicit-function-declaration): Replace
3089         mesg_implicit_function_declaration with
3090         warn_implicit_function_declaration.
3091         * c-opts.c (c_common_handle_option):
3092         -Werror-implicit-function-declaration is exactly equal as
3093         -Werror=implicit-function-declaration.
3094         (set_Wimplicit): Replace mesg_implicit_function_declaration with
3095         warn_implicit_function_declaration.
3096         (c_common_post_options): -Wimplict-function-declaration is enabled
3097         by default by -std=c99, otherwise is disabled by default.
3098         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3100 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3102         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3103         DECL on the rhs to a DECL on the lhs for debug info purposes if the
3104         former is ignored but not the latter.
3106 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3108         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3109         is made and the reference doesn't use the alias set of its type,
3110         do not create the temporary using that type.
3112 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
3114         * jump.c: Remove prototypes for delete_computation and
3115         delete_prior_computation.
3117 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3119         * jump.c (get_label_after): Delete.
3120         (get_label_before, delete_computation, delete_jump,
3121         delete_prior_computation, follow_jumps): Move...
3122         * reorg.c (delete_computation, delete_prior_computation): ... here...
3123         (get_label_before, delete_jump): ... making these static ...
3124         (follow_jumps): ... and simplifying this since it only runs after
3125         reload.
3126         * rtl.h (get_label_after, get_label_before, delete_jump,
3127         follow_jumps): Delete prototypes.
3129 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3131         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3133 2007-02-15  Nick Clifton  <nickc@redhat.com>
3135         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3136         order to prevent it from being munged by the target.
3138 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
3140         * config/i386/i386.md: Remove misleading comment.
3142 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3144         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3145         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3146         invalid patterns.
3148 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3150         * tree-sra.c (instantiate_missing_elements): Canonicalize
3151         bit-field types.
3152         (sra_build_assignment): New.
3153         (generate_copy_inout, generate_element_copy,
3154         generate_element_zero, generate_one_element_init): Use it.
3156 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3158         * tree-sra.c (instantiate_missing_elements): Canonicalize
3159         bit-field types.
3160         (sra_build_assignment): New.
3161         (generate_copy_inout, generate_element_copy,
3162         generate_element_zero, generate_one_element_init): Use it.
3164 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3166         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3167         limbo die nodes.
3169 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
3171         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3172         types as aggregates not scalars.
3173         * function.c (assign_stack_temp_for_type): Likewise.
3175 2007-02-14  Roger Sayle  <roger@eyesopen.com>
3176             Zdenek Dvorak  <dvorakz@suse.cz>
3178         * tree-dump.c (dump_switch_p_1): Require exact match of the option
3179         name.
3181 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
3183         * passes.c (next_pass_1): Clear the next field of the copied
3184         pass structure.
3186 2007-02-14  Richard Henderson  <rth@redhat.com>
3188         * tree-sra.c (early_sra): New.
3189         (decl_can_be_decomposed_p): Deny va_list if early_sra.
3190         (tree_sra_early, pass_sra_early): New.
3191         * tree-pass.h (pass_sra_early): Declare.
3192         * passes.c (init_optimization_passes): Use it.
3194 2007-02-14  Richard Guenther  <rguenther@suse.de>
3196         * flags.h (issue_strict_overflow_warning): Convert to a macro.
3198 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
3200          PR tree-optimization/30771
3201         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3202         also phi nodes.
3203         (vect_analyze_operations): Induction phis can now be marked as
3204         used_in_loop.
3205         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3206         Update documentation accordingly.
3208 2007-02-14  Nick Clifton  <nickc@redhat.com>
3210         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3211         most 3 arguments are supported.
3212         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3214 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
3216         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3217         Ensure dst->current is valid.
3219 2007-02-13  Paul Brook  <paul@codesourcery.com>
3221         * config.gcc: Add arm*-*-uclinux-*eabi.
3222         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3223         (SUBTARGET_EXTRA_LINK_SPEC): Define.
3224         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3225         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3226         (LINK_SPEC): Define.
3227         (LIB_SPEC): Define.
3228         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3229         register.
3230         * config/arm/uclinux-eabi.h: New file.
3231         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3232         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3233         based targets.
3235 2007-02-13  Ian Lance Taylor  <iant@google.com>
3237         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3238         * flags.h (warn_strict_overflow): Declare.
3239         (enum warn_strict_overflow_code): Define.
3240         (issue_strict_overflow_warning): New static inline function.
3241         * opts.c (warn_strict_overflow): New variable.
3242         (common_handle_option): Handle OPT_Wstrict_overflow and
3243         OPT_Wstrict_overflow_.
3244         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3245         OPT_Wall.
3246         * fold-const.c: Include intl.h.
3247         (fold_deferring_overflow_warnings): New static variable.
3248         (fold_deferred_overflow_warning): New static variable.
3249         (fold_deferred_overflow_code): New static variable.
3250         (fold_defer_overflow_warnings): New function.
3251         (fold_undefer_overflow_warnings): New function.
3252         (fold_undefer_and_ignore_overflow_warnings): New function.
3253         (fold_deferring_overflow_warnings_p): New function.
3254         (fold_overflow_warning): New static function.
3255         (make_range): Add strict_overflow_p parameter.  Change all
3256         callers.
3257         (extract_muldiv, extract_muldiv_1): Likewise.
3258         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3259         tree_expr_nonnegative_p.
3260         (fold_negate_expr): Call fold_overflow_warning.
3261         (fold_range_test): Likewise.
3262         (fold_comparison): Likewise.
3263         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
3264         instead of tree_expr_nonnegative_p.
3265         (tree_expr_nonnegative_warnv_p): Rename from
3266         tree_expr_nonnegative_p, add strict_overflow_p parameter.
3267         (tree_expr_nonnegative_p): New function.
3268         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3269         strict_overflow_p parameter.
3270         (tree_expr_nonzero_p): New function.
3271         * passes.c (verify_interpass_invariants): New static function.
3272         (execute_one_pass): Call it.
3273         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3274         warnings.
3275         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3276         (estimate_numbers_of_iterations): Likewise.
3277         (scev_probably_wraps_p): Likewise.
3278         * tree-ssa-ccp.c: Include "toplev.h".
3279         (evaluate_stmt): Defer fold overflow warnings until we know we are
3280         going to optimize.
3281         (struct fold_stmt_r_data): Add stmt field.
3282         (fold_stmt_r): Defer fold overflow warnings until we know we
3283         optimized.
3284         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3285         (fold_stmt_inplace): Likewise.
3286         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3287         (cleanup_control_expr_graph): Defer fold overflow warnings until
3288         we know we are going to optimize.
3289         * tree-cfg.c (fold_cond_expr_cond): Likewise.
3290         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3291         Likewise.
3292         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3293         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3294         * tree-ssa-loop-manip.c (create_iv): Likewise.
3295         * c-typeck.c (build_conditional_expr): Likewise.
3296         (build_binary_op): Likewise.
3297         * tree-vrp.c (vrp_expr_computes_nonzero): Call
3298         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3299         (extract_range_from_unary_expr): Likewise.
3300         * simplify-rtx.c (simplify_const_relational_operation): Warn when
3301         assuming that signed overflow does not occur.
3302         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3303         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3304         (fold_defer_overflow_warnings): Declare.
3305         (fold_undefer_overflow_warnings): Declare.
3306         (fold_undefer_and_ignore_overflow_warnings): Declare.
3307         (fold_deferring_overflow_warnings_p): Declare.
3308         (tree_expr_nonzero_warnv_p): Declare.
3309         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3310         of warning options.
3311         (Warning Options): Document -Wstrict-overflow.
3312         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3313         (tree-ssa-ccp.o): Likewise.
3314         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3315         (fold-const.o): Depend on intl.h.
3317 2007-02-13  Ian Lance Taylor  <iant@google.com>
3319         PR middle-end/30751
3320         * lower-subreg.c (resolve_simple_move): Decompose subregs in
3321         addresses.
3323 2007-02-13  Stuart Hastings  <stuart@apple.com>
3325         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3327 2007-02-13  Richard Henderson  <rth@redhat.com>
3329         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3330         handled_component_p before looking for the indirect_ref.
3332 2007-02-13  Richard Henderson  <rth@redhat.com>
3334         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3335         remove flags clobber.
3336         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3337         (bswaphi_lowpart): New.
3338         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3339         remove TARGET_BSWAP test.  Delete expander of the same name.
3341         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3342         (expand_unop): Use them.
3344 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
3346         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3347         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3348         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3349         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3350         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3351         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3352         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3353         assembler dialect choice from asm templates.
3355 2007-02-12  Richard Henderson  <rth@redhat.com>
3357         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3358         (fixuns_trunc<SSEMODEF>si2): Use it.
3359         * config/i386/sse.md (vec_setv4sf_0): Export.
3360         * config/i386/i386.c (ix86_build_const_vector): Export.
3361         (ix86_split_convert_uns_si_sse): Rename from
3362         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3363         * config/i386/i386-protos.h: Update.
3365 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3367         PR c/29521
3368         * c-typeck.c (c_finish_return): Improve warning message.
3370 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3372         * alias.c (find_symbolic_term): Delete unused function.
3374 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
3376         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3377         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3378         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3380 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3382         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3383         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3384         the function, temporarily point the debug interface to the null one.
3386 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3388         * dwarf2out.c (round_up_to_align): New static function.
3389         (field_byte_offset): Use it to round the offset.
3391 2007-02-12  Richard Henderson  <rth@redhat.com>
3393         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3394         (inswl_const): Export.
3396 2007-02-12  Richard Henderson  <rth@redhat.com>
3398         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3399         result mode of the libcall, convert back to outmode.
3401 2007-02-12  Roger Sayle  <roger@eyesopen.com>
3403         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3404         (bswapdi2): New define_expand to implement 32-bit implementation.
3406 2007-02-12  Nick Clifton  <nickc@redhat.com>
3408         * doc/invoke.texi (Overall Options): Document --help=.
3409         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3410         (cc1_options): Pass --help= on to cc1.
3411         (display_help): Add description of --help=.
3412         (process_command): Add code to handle --help=.  Allow translated
3413         --help and --target-help switches to be passed on to compiler
3414         sub-process.
3415         (main): Remove unused if statement.
3416         * opts.c (columns): Remove.
3417         (LEFT_COLUMN): Define.
3418         (wrap_help): Add columns argument.
3419         (print_filtered_help): Change parameters to be an include bitmask,
3420         an exclude bitmask, an any bitmask and the column width.  Move the
3421         code to display the params list here.  Add code to display the
3422         status of options rather than their descriptions if the quiet flag
3423         is not active.
3424         (print_specific_help): Change parameters to be an include bitmask,
3425         an exclude bitmask and an any bitmask.  Move code to look up the
3426         column width here.  Decide upon the title for an options listing.
3427         (common_handle_options): Add code to handle --help=.  Adapt code
3428         for --help and --target-help to use the revised form of the
3429         print_specific_help function.
3430         (print_help): Delete.
3431         (print_param_help): Delete.
3432         (print_switch): Delete.
3433         * opts.h (cl_lang_count): Add prototype.
3434         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3435         CL_MAX_OPTION_CLASS): New defines.
3436         * optc-gen.awk: Add construction of cl_lang_count.
3437         * c.opt: Add Warning attribute to warning options and Optimization
3438         attribute to optimization options.
3439         * common.opt: Likewise.
3440         Add --help=.
3441         Add -fhelp and -ftarget-help as aliases for the transformed --help
3442         and --target-help options.
3443         * opt-functions.awk: Add code to handle Warning and Optimization
3444         attributes.
3446 2007-02-12  Richard Henderson  <rth@redhat.com>
3448         * config/alpha/constraints.md: New file.
3449         * config/alpha/alpha.c: Include tm-constrs.h.
3450         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3451         alpha_extra_constraint): Remove.
3452         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3453         * config/alpha/alpha-protos.h: Update.
3454         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3455         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3456         (EXTRA_CONSTRAINT): Remove.
3457         * config/alpha/alpha.md: Include constraints.md.
3458         (adddi splitter): Use satisfies_constraint_*.
3459         * config/alpha/predicates.md (add_operand): Likewise.
3460         (sext_add_operand, addition_operation): Likewise.
3462 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
3464         PR tree-optimization/29145
3465         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3466         in our handling of restrict qualified pointers.
3468 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3470         PR middle-end/7651
3471         * doc/invoke.texi (Wunused-value): Update description.
3472         (Wextra): Delete item.
3473         * opts.c (set_Wextra): Don't use the value of Wextra to set the
3474         value of Wunused-value.
3475         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3476         (c_finish_stmt_expr): Don't check extra_warnings.
3477         (emit_side_effect_warnings): The caller is responsible to check
3478         warn_unused_value.
3480 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3481             Matt Thomas  <matt@3am-software.com>
3483         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3485 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3487         * simplify-rtx.c (simplify_relational_operation_1): Optimize
3488         comparisons of POPCOUNT against zero.
3489         (simplify_const_relational_operation): Likewise.
3491 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3493         * doc/invoke.texi (Wextra): Delete outdated paragraph.
3495 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3497         * dwarf2out.c (root_type): Delete unused function.
3499 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3501         * genattrtab.c (contained_in_p): Delete unused function.
3502         (write_expr_attr_cache): Likewise.
3504 2007-02-11  Jan Hubicka  <jh@suse.cz>
3506         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3507         previous patch.
3509 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
3511         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3512         to add the REG_EQ* note.
3513         * see.c (see_merge_one_use_extension): Likewise.
3514         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
3515         turn REG_EQUAL notes into REG_EQUIV notes if the target
3516         register may have more than one set.
3517         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3518         * gcse.c (try_replace_reg): Likewise.
3519         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3520         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
3521         more than one REG_EQUIV note.
3522         * reload1.c (gen_reload): Use set_unique_reg_note.
3524 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
3526         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3527         (ix86_builtin_conversion): New function.
3529 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
3531         PR target/29487
3532         * tree.h (DECL_REPLACEABLE_P): New macro.
3533         * except.c (set_nothrow_function_flags): Likewise.
3535 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
3536             Ira Rosen  <irar@il.ibm.com>
3537             Dorit Nuzman  <dorit@il.ibm.com>
3539         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
3540         * targhooks.c (default_builtin_vectorized_conversion): New.
3541         * targhooks.h (default_builtin_vectorized_function): New declaration.
3542         * target.h (struct vectorize): Add builtin_conversion field.
3543         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
3544         stmt_vec_info_type value.
3545         (vectorizable_conversion): New declaration.
3546         * tree-vect-analyze.c (vect_analyze_operations): Add
3547         vectorizable_conversion call.
3548         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
3549         * tree-vect-transform.c (vectorizable_conversion): New function.
3550         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
3551         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3552         mode.
3553         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
3554         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
3555         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
3556         or ALTIVEC_BUILTIN_VCFSX.
3558 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3560         PR target/30634
3561         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
3562         CONST_DOUBLE and operand 0 is a hard register.
3563         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
3564         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
3565         is a hard floating-point register.
3567 2007-02-10  Richard Henderson  <rth@redhat.com>
3568             Jakub Jelinek  <jakub@redhat.com>
3569             Alexandre Oliva  <aoliva@redhat.com>
3571         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
3572         * builtin-types.def (BT_WORD): Make unsigned.
3573         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3574         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3575         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3576         * c-decl.c (grokdeclarator): Don't error if !have_tls.
3577         * c-parser.c (c_parser_omp_threadprivate): Likewise.
3578         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3579         emulated tls.
3580         * expr.c (emutls_var_address): New.
3581         (expand_expr_real_1): Expand emulated tls.
3582         (expand_expr_addr_expr_1): Likewise.
3583         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3584         * output.h (emutls_finish): Declare.
3585         * toplev.c (compile_file): Call it.
3586         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3587         address before wrapping in CONST.
3588         * varasm.c (emutls_htab, emutls_object_type): New.
3589         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3590         (get_emutls_object_name, get_emutls_object_type): New.
3591         (get_emutls_init_templ_addr, emutls_decl): New.
3592         (emutls_common_1, emutls_finish): New.
3593         (assemble_variable): When emulating tls, swap decls; generate
3594         constructor for the emutls objects.
3595         (do_assemble_alias): When emulating tls, swap decl and target name.
3596         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3597         for emulated tls.
3598         * varpool.c (decide_is_variable_needed): Look at force_output.
3599         Recurse for emulated tls.
3600         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
3601         with decide_is_variable_needed.
3602         * emutls.c: New file.
3603         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3604         tls_object for real tls.
3606 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3608         PR rtl-optimization/29599
3609         * reload1.c (eliminate_regs_in_insn): Take the destination
3610         mode into account when computing the offset.
3612 2007-02-09  Stuart Hastings  <stuart@apple.com>
3613             Richard Henderson  <rth@redhat.com>
3615         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3616         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3617         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
3618         fixuns_truncdfhi2): New.
3619         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
3620         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
3621         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
3622         (floatunssidf2): Allow nonimmediate source.
3623         * gcc/config/i386/sse.md (movdi_to_sse): New.
3624         (vec_concatv2di): Drop '*'.
3625         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
3626         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3627         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
3628         New.
3629         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
3630         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3631         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
3632         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
3633         (ix86_build_signbit_mask): Fix decl of v, refactor to call
3634         ix86_build_const_vector.
3635         (x86_emit_floatuns): Rewrite.
3637 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3639         * genautomata.c (longest_path_length): Delete unused function.
3640         (struct state): Delete unused longest_path_length.
3641         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
3642         (get_free_state): Delete unused.
3644 2007-02-09  Jan Hubicka  <jh@suse.cz>
3646         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
3647         * doc/invoke.texi (inline-unit-growth): Update default value.
3649         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
3650         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3651         (rebuild_cgraph_edges): Likewise.
3652         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3653         (dump_cgraph_node): Dump frequencies.
3654         (cgraph_clone_edge): Add frequency scales.
3655         (cgraph_clone_node): Add freuqnecy.
3656         * cgraph.h (cgraph_edge): Add freuqnecy argument.
3657         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3658         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3659         * tree-pass.h (TODO_rebuild_frequencies): New constant.
3660         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3661         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3662         (save_inline_function_body): Likewise.
3663         * ipa-inline.c: inluce rtl.h
3664         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3665         (cgraph_edge_badness): Use frequencies.
3666         (cgraph_decide_recursive_inlining): Update clonning.
3667         (cgraph_decide_inlining_of_small_function): Dump frequency.
3668         * predict.c (estimate_bb_frequencies): Export.
3669         * predict.h (estimate_bb_frequencies): Declare.
3670         * tree-inline.c (copy_bb): Watch overflows.
3671         (expand_call_inline): Update call of cgraph_create_edge.
3672         (optimize_inline_calls): Use TODO flags to update frequnecies.
3673         * passes.h: Include predict.h
3674         (init_optimization_passes): Move profile ahead.
3675         (execute_function_todo): Handle TODO_rebuild_frequencies.
3677 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3679         * config/alpha/alpha.c (emit_insxl): Force the first operand of
3680         the insbl or inswl pattern into a register.
3682 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3684         * config/ia64/ia64.md (bswapdi2): New define_insn.
3686 2007-02-09  Richard Henderson  <rth@redhat.com>
3688         * config/i386/constraints.md (Ym): New constraint.
3689         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3690         (movdi_1_rex64): Split sse and xmm general register moves from
3691         memory move alternatives.  Use conditional register constraints.
3692         (movsf_1, movdf_integer): Likewise.
3693         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3694         (movdf_integer_rex64): New.
3695         (pushsf_rex64): Fix output constraints.
3696         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3697         (sse2_stored): Likewise.
3698         (sse2_storeq_rex64): New.
3699         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3700         amd and not generic.
3701         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3702         for optimize_size.  Remove SF/DFmode hack.
3704 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3706         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3707         (bit_SSE4a): New.
3709 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3710             Richard Sandiford  <richard@codesourcery.com>
3712         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3713         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3714         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3715         m68k/t-mlib to tmake_file.
3716         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
3717         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3718         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3719         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
3720         variable is not empty, add t-$m68k_arch_family to tmake_file.
3721         Add t-mlibs to tmake_file.
3722         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3723         * config/m68k/t-cf: New file.
3724         * config/m68k/t-m68k: Likewise.
3725         * config/m68k/t-mlibs: Likewise.
3726         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3727         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3728         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3729         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3730         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3731         Delete.
3732         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3733         (INSTALL_LIBGCC): Delete.
3734         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3735         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3736         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3737         (M68K_MLIB_CPU): Define.
3738         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3739         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3740         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3742 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3743             Richard Guenther  <rguenther@suse.de>
3745         PR middle-end/23361
3746         * fold-const.c (fold_comparison): Handle obfuscated comparisons
3747         against INT_MIN/INT_MAX.
3748         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3749         file if a loop is removed.
3751 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
3753         * calls.c (store_one_arg): Pass correct alignment to
3754         emit_push_insn for non-BLKmode values.
3755         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3756         unaligned stack slot via a suitably aligned slot.
3758 2007-02-08  DJ Delorie  <dj@redhat.com>
3760         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3761         warnings.
3762         (legal_subregs): Use unsigned char, make const.
3763         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
3765 2007-02-08  Paul Brook  <paul@codesourcery.com>
3767         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3768         special interworking needed.
3770 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
3772         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3773         conditional to __SSE2__.
3774         (Entries below should have been added to first ChangeLog
3775         entry for amdfam10 dated 2007-02-05)
3776         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3777         defined.
3778         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3779         defined.
3780         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3781         defined.
3783 2007-02-08  DJ Delorie  <dj@redhat.com>
3785         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3786         * config/m32c/m32c.c (legal_subregs): New.
3787         (m32c_illegal_subreg_p): New.
3788         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3789         unsupported subregs of hard regs.
3791 2007-02-08  Jan Hubicka  <jh@suse.cz>
3793         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3794         the same one; always update histograms.
3796 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3798         * passes.c (init_optimization_passes): Tidy comment.
3800 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3802         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3803         strip zero_extend, bswap and rotates from POCOUNT's argument.
3804         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3805         zero_extend and rotates from PARITY's argument.
3806         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3807         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3808         of an integer constant at compile-time.
3810 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3812         PR 30562
3813         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3814         Update all users.
3815         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3816         users.
3817         (init_alias_info):
3818         * tree-ssa-live.c (remove_unused_locals): Do not remove
3819         TREE_ADDRESSABLE variables.
3820         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3821         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3822         FOR_CLOBBER.  Update all users.
3823         If VAR has an associated alias set, add a virtual operand for
3824         it if no alias is found to conflict with the memory reference.
3826 2007-02-07  Jan Hubicka  <jh@suse.cz>
3827             Robert Kidd <rkidd@crhc.uiuc.edu>
3829         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3831 2007-02-07  Ian Lance Taylor  <iant@google.com>
3833         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3835 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3837         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3838         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3839         tablejumpdi, movsi_to_cr_one): Remove constraints from
3840         define_expand's match_operands.
3842 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3844         * global.c (compute_regsets): Move declatation of "i" inside of
3845         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3847 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3849         PR c++/30703
3850         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3851         of INDIRECT_REF <RESULT_DECL>.
3853         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3855 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3856             Kaz Kojima  <kkojima@gcc.gnu.org>
3858         PR target/29746
3859         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3860         properly.
3861         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3863 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3865         * doc/loop.texi: Document possibility not to perform disambiguation
3866         of loops with multiple latches.
3867         * cfgloopmanip.c (alp_enum_p): Removed.
3868         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3869         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3870         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3871         the new forwarder block.
3872         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3873         Handle the case latch is NULL.
3874         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3875         when marking loop exits.
3876         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3877         be modified.
3878         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3879         disambiguate_loops_with_multiple_latches.
3880         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3881         before fix_loop_structure.
3882         * cfgloop.c: Include pointer-set.h and output.h.
3883         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3884         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3885         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3886         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3887         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3888         disambiguate_multiple_latches, get_loop_body_with_size,
3889         disambiguate_loops_with_multiple_latches): New functions.
3890         (flow_loop_dump): Dump multiple latch edges.
3891         (flow_loop_nodes_find): Handle loops with multiple latches.
3892         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3893         (glb_enum_p): Modified.
3894         (get_loop_body): Use get_loop_body_with_size.
3895         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3896         (AVOID_CFG_MODIFICATIONS): New constant.
3897         (disambiguate_loops_with_multiple_latches, add_loop,
3898         get_loop_body_with_size): Declare.
3899         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3901 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3903         PR inline-asm/28686
3904         * global.c (compute_regsets): New function.
3905         (global_alloc): Refactored ELIMINABLE_REGSET
3906         and NO_GLOBAL_ALLOC_REGS computation out.
3907         (rest_of_handle_global_alloc): Call compute_regsets()
3908         for non-optimizing case.
3910 2007-02-06  Richard Henderson  <rth@redhat.com>
3912         * config/i386/constraints.md (Y2): Rename from Y.
3913         (Yi): New constraint.
3914         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3915         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3916         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3917         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3918         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3919         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3920         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3921         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3922         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3923         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3924         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3925         vec_extractv2si_1): Change Y constraints to Y2.
3926         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3927         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3928         Change Y constraints to Y2.
3929         (sse2_loadld): Change Y constraints to x.
3931 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3933         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3934         (parity<mode>2): New define_expand using rs6000_emit_parity.
3935         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3936         rs6000_emit_parity): New functions.
3937         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3938         rs6000_emit_parity): Prototype here.
3940 2007-02-06  Ian Lance Taylor  <iant@google.com>
3942         * lower-subreg.c (simple_move_operand): Reject CONST.
3943         (resolve_clobber): Call validate_change rather than directly
3944         assigning to XEXP (pat, 0).
3946 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3948         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3949         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3950         (tree-cfg.o): Remove hashtab.h dependency.
3952         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3953         (struct ivopts_data): Change niters to pointer_map_t.
3954         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3955         (niter_for_exit): Create pointer_map on demand.  Change for
3956         pointer_map API.
3957         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3958         (free_loop_data): Destroy data->niters if created and reset field.
3959         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3960         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3962         * tree-ssa-reassoc.c: Include pointer-set.h.
3963         (bb_rank): Change to long *.
3964         (operand_rank): Change to pointer_map_t.
3965         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3966         (insert_operand_rank): Accept long.
3967         (operand_entry_hash, operand_entry_eq): Remove.
3968         (get_rank): Return long.  Adjust for changes above.
3969         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3970         and operand_rank.
3971         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3973         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3974         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3975         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3976         is not NULL.
3977         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3978         directly since it cannot be NULL.
3979         (get_vi_for_tree): Rewrite for pointer_map API.
3980         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3981         (init_alias_vars): Create vi_for_tree as pointer_map.
3982         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3984         * tree-cfg.c: Don't include hashtab.h.
3985         (edge_to_cases): Declare as pointer_map.
3986         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3987         Delete.
3988         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3989         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3990         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3991         destroying it.
3992         (record_switch_edge): Delete.
3993         (get_cases_for_edge): Adjust for pointer_map API, inline
3994         record_switch_edge (rewritten for new API), remove goto.
3996 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3998         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3999         * tree-nested.c: Include pointer-set.h.
4000         (var_map_elt, var_map_eq, var_map_hash): Delete.
4001         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
4002         to pointer_map_t's.
4003         (nesting_info_bitmap_obstack): New.
4004         (lookup_field_for_decl): Adjust for pointer_map API.
4005         (lookup_tramp_for_decl): Adjust for pointer_map API.
4006         (get_nonlocal_debug_decl): Adjust for pointer_map API.
4007         (get_local_debug_decl): Adjust for pointer_map API.
4008         (convert_nl_goto_reference): Adjust for pointer_map API.
4009         (convert_nl_goto_receiver): Adjust for pointer_map API.
4010         (create_nesting_tree): Create outside GGC space.  Create bitmap on
4011         the new obstack.  Create field_map and var_map as pointer_maps.
4012         (free_nesting_tree): Adjust for changes to create_nesting_tree.
4013         (root): Delete.
4014         (lower_nested_functions): Move root here, no need to NULL it.
4015         Initialize and release the obstack.
4017 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
4019         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4020         Remove prototypes and make them non-static.
4021         (struct tree_int_map): Remove.
4022         * tree.h (struct tree_int_map): Move here, turning TO into an
4023         unsigned int.
4024         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4026         * tree.h (TREE_COMPLEXITY): Remove.
4027         (struct tree_exp): Remove complexity field.
4028         * tree.c (build1_stat): Don't set it.
4030 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
4031             Victor Kaplansky  <victork@il.ibm.com>
4033         * tree-vectorizer.c (vect_is_simple_use): Support induction.
4034         (vect_is_simple_reduction): Support reduction with induction as
4035         one of the operands.
4036         (vect_is_simple_iv_evolution): Fix formatting.
4037         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4038         formatting.  Don't mark induction phis for vectorization.
4039         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4040         * tree-vect-transform.c (get_initial_def_for_induction): New function.
4041         (vect_get_vec_def_for_operand): Support induction.
4042         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4043         induction case.
4044         (vectorizable_reduction): Support reduction with induction as one of
4045         the operands.
4046         (vectorizable_type_demotion): Use def-type of stmt argument rather
4047         than dummy def-type.
4049         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4050         flag_tree_scev_cprop.
4051         * common.opt (tree-scev-cprop): New flag.
4053         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4054         call to vect_get_new_vect_var.
4056 2007-02-06  Ira Rosen  <irar@il.ibm.com>
4058         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4059         vectype is not NULL.
4060         (vect_pattern_recog_1): Likewise.
4062 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4064         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4065         (fold_negate_expr): Likewise.
4067 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
4069         PR debug/30189
4070         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4071         even if cv-qualification is the same.
4073 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
4075         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4076         __enable_execute_stack on completion.
4078 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4080         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4081         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4082         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4083         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4084         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4085         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4086         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4087         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4089 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4091         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4092         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4093         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4094         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4095         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4096         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4097         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4098         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4099         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4100         umuldi3_highpart_rex64, umulsi3_highpart_insn,
4101         umulsi3_highpart_zext, smuldi3_highpart_rex64,
4102         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4103         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4104         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4105         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4106         sqrtextenddfxf2_i387): Added amdfam10_decode.
4108         * config/i386/athlon.md (athlon_idirect_amdfam10,
4109         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4110         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4111         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4112         athlon_ivector_store_amdfam10): New define_insn_reservation.
4113         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4114         amdfam10.
4116 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4118         * config/i386/athlon.md (athlon_call_amdfam10,
4119         athlon_pop_amdfam10, athlon_lea_amdfam10): New
4120         define_insn_reservation.
4121         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4122         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4123         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4125 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4127         * config/i386/athlon.md (athlon_sseld_amdfam10,
4128         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4129         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4131 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4133         * config/i386/athlon.md (athlon_sseins_amdfam10): New
4134         define_insn_reservation.
4135         * config/i386/i386.md (sseins): Added sseins to define_attr type
4136         and define_attr unit.
4137         * config/i386/sse.md: Set type attribute to sseins for insertq
4138         and insertqi.
4140 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4142         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4143         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4144         ssecomi_load_amdfam10, ssecomi_amdfam10,
4145         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4146         define_insn_reservation.
4147         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4149 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4151         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4152         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4153         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4154         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4155         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4156         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4157         define_insn_reservation.
4159         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4160         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4161         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4162         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4163         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4165 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4167         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4168         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4169         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4170         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4171         athlon_ssemul_load_k8): Added amdfam10.
4173 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4175         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4176         (x86_sse_unaligned_move_optimal): New variable.
4178         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4179         m_AMDFAM10.
4180         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4181         for unaligned vector SSE double/single precision loads for AMDFAM10.
4183 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4185         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4186         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4187         Define TARGET_CPU_DEFAULT_amdfam10.
4188         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4189         (processor_type): Add PROCESSOR_AMDFAM10.
4191         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4192         processor_type in config/i386/i386.h.
4193         Enable imul peepholes for TARGET_AMDFAM10.
4195         * config.gcc: Add support for --with-cpu option for amdfam10.
4197         * config/i386/i386.c (amdfam10_cost): New variable.
4198         (m_AMDFAM10): New macro.
4199         (m_ATHLON_K8_AMDFAM10): New macro.
4200         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4201         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4202         x86_promote_QImode, x86_integer_DFmode_moves,
4203         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4204         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4205         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4206         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4207         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4208         Enable/disable for amdfam10.
4209         (override_options): Add amdfam10_cost to processor_target_table.
4210         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4211         processor_alias_table.
4212         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4213         (ix86_adjust_cost): Add code for amdfam10.
4215 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4217         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4218         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4219         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4220         * config/i386/i386.h: Add builtin definition for SSE4A.
4221         * config/i386/i386.md: Add support for ABM instructions
4222         (popcnt and lzcnt).
4223         * config/i386/sse.md: Add support for SSE4A instructions
4224         (movntss, movntsd, extrq, insertq).
4225         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4226         Add -march=amdfam10 flag.
4227         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4228         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4229         and amdfam10.
4230         * doc/extend.texi: Add documentation for SSE4A builtins.
4232 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
4234         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4236 2007-02-05  Richard Guenther  <rguenther@suse.de>
4238         * tree-vectorizer.h (vectorizable_function): Add argument type
4239         argument, change return type.
4240         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4241         * tree-vect-transform.c (vectorizable_function): Handle extra
4242         argument, return vectorized function decl.
4243         (build_vectorized_function_call): Remove.
4244         (vectorizable_call): Handle calls with result and argument types
4245         differing.  Handle loop vectorization factor correctly.
4246         * targhooks.c (default_builtin_vectorized_function): Adjust for
4247         extra argument.
4248         * targhooks.h (default_builtin_vectorized_function): Likewise.
4249         * target.h (builtin_vectorized_function): Add argument type
4250         argument.
4251         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4252         extra argument, allow vectorizing of lrintf.
4253         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4254         documentation of target hook.
4256 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
4258         PR target/30665
4259         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4260         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4261         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4263 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4265         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4266         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4267         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4268         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4269         before canonicalizing sincos to cexpi.
4270         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4272 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4274         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4275         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4276         (alpha_init_builtins): Use alpha_add_builtins to process tables.
4278 2007-02-05  Roger Sayle  <roger@eyesopen.com>
4280         * mips-tfile.c (initialize_init_file): Correct endianness test.
4282 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
4284         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4285         the 'y' constraint.
4287 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
4289         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4290         saves in a PARALLEL before the register assignments.
4292 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
4294         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4295         DWARF_FRAME_RETURN_COLUMN to be a general register.
4296         * dwarf2out.c (init_return_column_size): New function, split from...
4297         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
4298         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4299         to be nongeneral registers.
4300         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4301         integer registers.
4302         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4303         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4305 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
4307         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4309 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
4311         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4312         (remove_path): Use can_remove_branch_p and remove_branch instead
4313         of loop_delete_branch_edge.
4314         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4315         (tree_transform_and_unroll_loop): Remove dead branches immediately.
4316         Update profile using scale_dominated_blocks_in_loop.
4317         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4318         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4319         (can_remove_branch_p, remove_branch): Declare.
4320         * tree-cfg.c (tree_can_remove_branch_p): New function.
4321         (tree_cfg_hooks): Add tree_can_remove_branch_p.
4322         * cfgrtl.c (rtl_can_remove_branch_p): New function.
4323         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4325 2007-02-05  Jan Hubicka  <jh@suse.cz>
4327         PR middle-end/30696
4328         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4329         nodes in cgraph, don't remove offline copy of the function.
4331 2007-02-04  Jan Hubicka  <jh@suse.cz>
4333         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4334         vectors might cause maybe_lookup_element_for_expr to be called
4335         on non-sra-candidate.
4337 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4339         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4340         config/bfin/bfin.md, config/bfin/predicates.md: Follow
4341         spelling conventions.
4343 2007-02-04  Richard Guenther  <rguenther@suse.de>
4345         PR middle-end/30636
4346         * fold-const.c (try_move_mult_to_index): Make sure to not
4347         overflow one dimension of a multi-dimensional array access.
4349 2007-02-04  Jan Hubicka  <jh@suse.cz>
4351         * passes.c (init_optimization_passes): Reindent.
4353 2007-02-04  Jan Hubicka  <jh@suse.cz>
4354             Eric Botcazou  <ebotcazou@adacore.com>
4356         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4357         (execute_fixup_cfg): Break out the abnormal goto code.
4358         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4359         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4360         (optimize_inline_calls): Call make_nonlocal_label_edges.
4362 2007-02-04  Jan Hubicka  <jh@suse.cz>
4364         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4365         true when something was changed.
4366         (rename_ssa_copies): When something was changed, do
4367         TODO_remove_unused_locals.
4368         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4369         add TODO_remove_unused_locals when instruction was removed.
4371 2007-02-04  Jan Hubicka  <jh@suse.cz>
4373         * ipa-inline.c (try_inline): Improve debug output; work on already
4374         inline edges too.
4375         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4376         call try_inline for already inlined edges too when flattening;
4377         inline also functions that make callee growth but overall unit size
4378         reduce.
4380 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4382         * config/m32c/bitops.md, config/m32c/jump.md,
4383         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4384         config/m32r/m32r.h, config/m32r/m32r.md,
4385         config/m32r/predicates.md, config/m68hc11/larith.asm,
4386         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4387         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4388         config/mips/mips-protos.h, config/mips/mips.c,
4389         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4390         config/mn10300/mn10300.h, config/mn10300/predicates.md,
4391         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4392         spelling conventions.
4394         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4395         Follow spelling conventions.
4397 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
4399         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4400         warn about C++0x compatibility.
4402 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
4404         * config/h8300/h8300.c, config/h8300/h8300.h,
4405         config/h8300/h8300.md: Follow spelling conventions.
4407 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
4409         PR middle-end/30667
4410         * combine.c (try_combine): Do not substitute source operand
4411         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4413 2007-02-03  Jan Hubicka  <jh@suse.cz>
4415         PR gcov-profile/30650
4416         * value-prof.c (stringop_block_profile): Fix handling of size counter;
4417         do not divide by zero for never executed counters.
4418         (tree_find_values_to_profile): Fix counters.
4419         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4421 2007-02-03  Ian Lance Taylor  <iant@google.com>
4423         * lower-subreg.c (simple_move_operand): New static function,
4424         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
4425         operands.
4426         (simple_move): Call simple_move_operand.
4427         (find_decomposable_subregs): Add special handling of MEMs.
4428         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
4429         meaning of return value.  If we see a hard register, test whether
4430         it can store a word_mode value.  Change all callers.
4432 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4434         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4435         ftrapv insns and expanders.
4436         (subdi3): Change define_expand operand 1 to arith11_operand, and
4437         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
4438         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
4439         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4440         respectively.
4442         PR middle-end/30174
4443         * varasm.c (notice_global_symbol): Treat global objects as weak when
4444         flag_shlib is true.
4446 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4448         * emit-rtl.c (dconstpi): Delete.
4449         (dconstsqrt2): New.
4450         (init_emit_once): Delete dconstpi and init dconstsqrt2.
4451         * real.h (dconstpi): Delete.
4452         (dconstsqrt2): New.
4453         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4454         (fold_builtin_hypot): Likewise.
4456 2007-02-03  Tom Tromey  <tromey@redhat.com>
4458         PR driver/30246
4459         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4460         -gcoff3, -gxcoff3, -gvms3 implies -dD.
4462 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
4464         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4465         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4466         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4467         config/rs6000/cell.md, config/rs6000/darwin.h,
4468         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4469         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
4470         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
4471         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
4472         typos.  Follow spelling conventions.
4473         * doc/invoke.texi: Follow spelling conventions.
4475 2007-02-03  Roger Sayle  <roger@eyesopen.com>
4477         * simplify-rtx.c (simplify_relational_operation_1): Implement some
4478         canonicalization transformations that attempt to simplify integer
4479         constant comparisons to become comparisons against zero.
4481 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4483         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
4484         fabs(x)*sqrt(2).
4485         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
4486         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
4488 2007-02-02  Mike Stump  <mrs@apple.com>
4490         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
4491         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
4492         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
4493         generate a branch island.
4495 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
4497         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
4498         (xtensa_legitimate_address_p): New.
4499         (xtensa_legitimize_address): New.
4500         (xtensa_output_addr_const_extra): New.
4501         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
4502         (BASE_REG_P): New.
4503         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
4504         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
4505         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
4506         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
4507         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
4508         (xtensa_legitimize_address): New.
4509         (xtensa_output_addr_const_extra): New.
4511 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
4513         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
4515 2007-02-02  Ian Lance Taylor  <iant@google.com>
4517         * expmed.c (expand_divmod): Add comment.
4519 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
4521         * emit-rtl.c (renumber_insns): Remove.
4522         * flags.h: Remove the extern for flag_renumber_insns.
4523         * rtl.h: Remove the prototype for renumber_insns.
4524         * toplev.c (flag_renumber_insns): Remove.
4526 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
4528         Revert for x86 darwin:
4529         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
4531         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
4532         code before the following patch under TARGET_MACHO.
4533         (ix86_function_value_regno_p): Likewise.
4535 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4537         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
4538         COMPLEX_EXPR.
4540 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4542         PR target/29682
4543         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
4544         general or fp registers.  Add comments.
4545         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
4547 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
4549         * pointer-set.c (insert_aux): Only return insertion slot.
4550         (pointer_set_insert): Adjust.
4551         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
4552         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
4553         pointer_map_traverse): New.
4554         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
4555         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
4556         pointer_map_contains, pointer_map_traverse): Declare.
4558 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
4560         PR middle-end/30473
4561         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
4562         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
4564 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4566         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
4568         (struct _dep): New type.
4569         (dep_t): New typedef.
4570         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
4571         (DEP_STATUS): New access macro.  The macro with the same name was
4572         renamed to DEP_LINK_STATUS.
4573         (dep_init): Declare function
4575         (struct _dep_link): New type.
4576         (dep_link_t): New typedef.
4577         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
4578         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
4579         (DEP_LINK_STATUS): New macro.
4580         (debug_dep_links): New debug function.
4582         (struct _deps_list): New type.
4583         (deps_list_t): New typedef.
4584         (DEPS_LIST_FIRST): New access macro.
4585         (FOR_EACH_DEP_LINK): New cycle macro.
4586         (create_deps_list, free_deps_list, delete_deps_list): Declare
4587         functions.
4588         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
4589         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
4590         (copy_deps_list_change_con): Ditto.
4592         (move_dep_link): Declare function.
4594         (struct _dep_node): New type.
4595         (dep_node_t): New typedef.
4596         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
4598         (struct haifa_insn_data.back_deps): New field to hold backward
4599         dependencies of the insn.
4600         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
4601         to deps_list_t.
4602         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
4603         Change its type to deps_list_t.
4604         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
4605         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
4606         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
4608         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
4610         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
4612         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
4613         all callers.
4614         (dep_cost): Declare.
4616         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
4617         (ds_to_dk, dk_to_ds): New functions.
4619         (init_dep_1): New static function.
4620         (init_dep): New function.
4621         (copy_dep): New static function.
4623         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
4624         functions.
4625         (detach_dep_link): New static function.
4626         (move_dep_link): New function.
4628         (dep_links_consistent_p, dump_dep_links): New static functions.
4629         (debug_dep_links): New debugging function.
4631         (deps_obstack, dl_obstack, dn_obstack): New static variables.
4633         (alloc_deps_list, init_deps_list): New static functions.
4634         (create_deps_list): New function.
4635         (clear_deps_list): New static function.
4636         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
4637         (deps_list_consistent_p, dump_deps_list): New static functions.
4638         (debug_deps_list): New function.
4639         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
4640         functions.
4641         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
4643         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
4644         use new scheduler dependencies lists.
4645         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
4646         (sched_analyze): Ditto.  Initialize dependencies lists.
4647         (add_forw_dep, compute_forward_dependences): Update to use new
4648         scheduler dependencies lists.
4650         (init_dependency_caches): Init deps_obstack.
4651         (free_dependency_caches): Free deps_obstack.
4653         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
4654         new scheduler dependencies lists.
4655         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
4656         (add_back_forw_dep, delete_back_forw_dep): Ditto.
4658         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
4659         Update to use new scheduler dependencies lists.
4660         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
4661         (debug_dependencies): Ditto.
4662         (schedule_region): Update comments.
4664         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
4665         scheduler dependencies lists.
4666         (schedule_ebb): Update comments.
4668         * rtl.def (DEPS_LIST): Remove.
4670         * lists.c (unused_deps_list): Remove.
4671         (free_list): Update assertions.
4673         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
4674         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4676         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
4677         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4679         * haifa-sched.c (comments): Update.
4680         (insn_cost1): Remove.  Inline the code into insn_cost ().
4681         (insn_cost): Update to use new scheduler dependencies lists.  Move
4682         processing of the dependency cost to dep_cost ().
4683         (dep_cost): New function.  Use it instead of insn_cost () when
4684         evaluating cost of the dependency.  Use compatible interface to
4685         interact with the target.
4686         (priority): Update to use new scheduler dependencies lists.
4687         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
4688         with greater number of insns that depend on the insn.
4689         (schedule_insn): Update to use new scheduler dependencies lists.  Add
4690         code to free backward dependencies lists.  Inline and optimize code
4691         from resolve_dep () - see PR28071.
4692         (ok_for_early_queue_removal): Update to use new scheduler dependencies
4693         lists.  Update call to targetm.sched.is_costly_dependence hook.
4695         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
4696         scheduler dependencies lists.
4698         (resolve_dep): Remove.  Move the logic to schedule_insn ().
4699         (init_h_i_d): Initialize dependencies lists.
4701         (process_insn_depend_be_in_spec): Rename to
4702         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
4703         dependencies lists.
4704         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
4705         Update to use new scheduler dependencies lists.
4706         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
4708         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
4709         new scheduler dependencies lists.
4710         (build_intra_loop_deps): Ditto.
4712         * target.h (struct _dep): Declare to use in
4713         gcc_target.sched.is_costly_dependence.
4714         (struct gcc_target.sched.adjust_cost): Fix typo.
4715         (struct gcc_target.sched.is_costly_dependence): Change signature to use
4716         single dep_t parameter instead of an equivalent triad.
4717         (struct gcc_target.sched.adjust_cost_2): Remove.
4719         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
4721         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
4723         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
4724         documentation.
4725         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
4727         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
4728         (REG_DEP_TRUE): Document.
4730         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
4731         Change signature to correspond to the targetm.sched.adjust_cost hook.
4732         Update use in TARGET_SCHED_ADJUST_COST_2.
4733         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
4734         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
4735         new scheduler dependencies lists.
4736         (ia64_gen_check): Ditto.
4738         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
4739         dependencies lists.
4741         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
4742         signature to correspond to the targetm.sched.is_costly_dependence hook.
4743         (is_costly_group): Update to use new scheduler dependencies lists.
4745         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
4746         instead of INSN_COST () macro.
4748 2007-02-01  Ian Lance Taylor  <iant@google.com>
4750         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
4752 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
4754         * pa.md (tp_load): Correct mfctl instruction syntax.
4756 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
4758         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
4759         altivec_padding_size calculation on AIX.  Improve comment, add
4760         assert to verify that it's right.
4762         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
4763         64-bit.
4765 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
4767         PR inline-asm/28686
4768         * global.c (global_alloc): Add mising initialization of
4769         ELIMINABLE_REGSET.
4771 2007-02-01  Roger Sayle  <roger@eyesopen.com>
4773         * alias.c (init_alias_analysis): Correct whitespace.
4774         * bb-reorder.c (fix_edges_for_rarely_executed_code,
4775         partition_hot_cold_basic_blocks): Likewise.
4776         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
4777         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
4778         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
4779         fold_builtin_snprintf_chk, fold_builtin_printf,
4780         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
4781         do_mpfr_arg3, do_mpfr_sincos): Likewise.
4782         * cfgcleanup.c (cleanup_cfg): Likewise.
4783         * cfgexpand.c (tree_expand_cfg): Likewise.
4784         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
4785         * function.c (get_next_funcdef_no): Likewise.
4786         * gengtype.c (main): Likewise.
4787         * genmodes.c (main): Likewise.
4788         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
4789         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
4790         * ifcvt.c (noce_emit_move_insn): Likewise.
4791         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
4792         Likewise.
4793         * stor-layout.c (get_best_mode): Likewise.
4794         * tree-ssa-loop-niter.c (get_val_for): Likewise.
4795         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
4796         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
4797         perform_var_substitution, solve_graph): Likewise.
4798         * tree-vrp.c (vrp_finalize): Likewise.
4800 2007-02-01  Ian Lance Taylor  <iant@google.com>
4802         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
4803         high part of a paradoxical subreg, return a constant zero.
4805 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
4807         * toplev.c (lang_dependent_init): Call init_set_costs.
4808         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
4810 2007-02-01  Richard Guenther  <rguenther@suse.de>
4812         PR middle-end/30656
4813         * fold-const.c (fold_negate_expr): Allow negating a
4814         constant if overflow does not change.
4816 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4818         * doc/c-tree.texi (Expression trees): Improve markup.
4819         * doc/tm.texi (Register Classes, Addressing Modes)
4820         (Floating Point): Fix spacing after abbreviations.  Fix some
4821         typos.
4823 2007-02-01  Ben Elliston  <bje@au.ibm.com>
4825         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4826         * doc/contrib.texi: Likewise.
4827         * doc/install.texi: Likewise.
4829 2007-01-31  Richard Henderson  <rth@redhat.com>
4830             Ian Lance Taylor  <iant@google.com>
4832         * lower-subreg.c: New file.
4833         * rtl.def (CONCATN): Define.
4834         * passes.c (init_optimization_passes): Add pass_lower_subreg and
4835         pass_lower_subreg2.
4836         * emit-rtl.c (update_reg_offset): New static function, broken out
4837         of gen_rtx_REG_offset.
4838         (gen_rtx_REG_offset): Call update_reg_offset.
4839         (gen_reg_rtx_offset): New function.
4840         * regclass.c: Revert patch of 2006-03-05, restoring
4841         reg_scan_update.
4842         (clear_reg_info_regno): New function.
4843         * dwarf2out.c (concatn_loc_descriptor): New static function.
4844         (loc_descriptor): Handle CONCATN.
4845         * common.opt (fsplit_wide_types): New option.
4846         * opts.c (decode_options): Set flag_split_wide_types when
4847         optimizing.
4848         * timevar.def (TV_LOWER_SUBREG): Define.
4849         * rtl.h (gen_reg_rtx_offset): Declare.
4850         (reg_scan_update): Declare.
4851         * regs.h (clear_reg_info_regno): Declare.
4852         * tree-pass.h (pass_lower_subreg): Declare.
4853         (pass_lower_subreg2): Declare.
4854         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
4855         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
4856         -fsplit-wide-types.
4857         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
4858         * Makefile.in (OBJS-common): Add lower-subreg.o.
4859         (lower-subreg.o): New target.
4861 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4863         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
4865 2007-01-31  Anatoly Sokolov <aesok@post.ru>
4867         PR target/19087
4868         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
4870 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4872         PR middle-end/29335
4873         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
4875 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
4877         * cfgloop.h: Include vec-prim.h.
4878         (enum li_flags): Remove LI_ONLY_OLD.
4879         (loop_iterator): Changed.
4880         (fel_next, fel_init): Iterate over loop tree.
4881         (FOR_EACH_LOOP_BREAK): New macro.
4882         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
4883         FOR_EACH_LOOP.
4884         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
4885         * modulo-sched.c (sms_schedule): Ditto.
4886         * tree-vectorizer.c (vectorize_loops): Ditto.
4887         * doc/loop.texi: Update information on loop numbering and behavior of
4888         FOR_EACH_LOOP wrto new loops.
4889         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4890         add_to_evolution_1): Test nestedness of loops instead of comparing
4891         their numbers.
4892         * tree-chrec.c (chrec_fold_plus_poly_poly,
4893         chrec_fold_multiply_poly_poly, chrec_evaluate,
4894         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
4895         reset_evolution_in_loop): Ditto.
4896         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
4898 2007-01-31  Dirk Mueller  <dmueller@suse.de>
4900         * c-common.c (warn_about_parentheses): Separate warning about
4901         un-parenthized sequence of comparison operators from the one
4902         which is supposed to warn about x <= y <= z.
4904 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
4906         * optabs.h (enum optab_index): Add new OTI_isinf.
4907         (isinf_optab): Define corresponding macro.
4908         * optabs.c (init_optabs): Initialize isinf_optab.
4909         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
4910         patterns.
4911         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
4912         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
4913         using isinf_optab.
4914         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
4915         expand_builtin_interclass_mathfn.
4916         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
4917         * config/i386/i386.md (UNSPEC_FXAM): New constant.
4918         (fxam<mode>2_i387): New insn pattern.
4919         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
4920         built-in functions as x87 inline asm.
4922 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4924         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
4926 2007-01-30  Eric Christopher  <echristo@apple.com>
4928         * config.gcc: Add geode.
4930 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4932         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
4933         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
4934         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
4935         value-prof.c: Fix comment typos.
4937 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4939         PR c++/24745
4940         * doc/invoke.texi (Wpointer-arith): Document warning.
4942 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
4944         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
4945         the list of discrepancies from the draft TR.
4947 2007-01-30  Dirk Mueller  <dmueller@suse.de>
4949         PR c++/30601
4950         * doc/invoke.texi (-Wreturn-type): Update description to
4951         match new behavior.
4953 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
4955         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
4957 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
4959         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
4960         to handle optabs that operate on floating point input argument and
4961         output to integer output.
4962         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
4963         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
4964         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
4965         expand_builtin_interclass_mathfn ().
4966         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
4967         (ilogbsi2): Remove.
4968         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
4969         ilogbl built-in functions as x87 intrinsics.
4971 2007-01-30  Richard Guenther  <rguenther@suse.de>
4973         PR middle-end/27657
4974         * dwarf2out.c (reference_to_unused): Query varpool if the
4975         variable was output.
4977 2007-01-30  Richard Guenther  <rguenther@suse.de>
4979         PR middle-end/30313
4980         * passes.c (execute_one_pass): Reset in_gimple_form to not
4981         confuse non-unit-at-a-time mode.
4983 2007-01-29  Roger Sayle  <roger@eyesopen.com>
4984             Richard Guenther  <rguenther@suse.de>
4986         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
4987         avoid undefined behaviour on overflow.  Use force_fit_type_double
4988         to construct the constant with the specified TREE_OVERFLOW.
4990 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4992         * config/dfp-bit.c: Add parameterized support for fp exceptions.
4993         * config/dfp-bit.h: Ditto.
4995 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4997         * c-decl.c (pop_scope): Replace warnings with call to
4998         warn_for_unused_label.
4999         * c-common.h (warn_for_unused_label): Declare.
5000         * c-common.c (warn_for_unused_label): Define.
5002 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5004         * tree-optimize.c (update_inlined_to_pointers): Delete unused
5005         function.
5007 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
5009         * Makefile.in (USER_H): Remove decfloat.h.
5010         * ginclude/decfloat.h: Delete, moving contents to ...
5011         * ginclude/float.h: Add support for decimal floating point,
5012         guarded by __STDC_WANT_DEC_FP__.
5014 2007-01-29  Mike Stump  <mrs@apple.com>
5016         * doc/gccint.texi (Top): Rename Loop Representation to Loop
5017         Analysis and Representation to resolve case insensitive conflict.
5018         * doc/loop.texi (Loop Analysis and Representation): Likewise.
5020 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
5022         * tree.h (struct tree_memory_tag): Add aliases member.
5023         (MTAG_ALIASES): New macro.
5024         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5025         (add_may_alias): Remove pointer-set. Update for may_aliases being
5026         a bitmap.
5027         (mark_aliases_call_clobbered): Update for may_aliases being a
5028         bitmap.
5029         (compute_tag_properties): Ditto.
5030         (create_partition_for): Ditto.
5031         (compute_memory_partitions): Ditto.
5032         (dump_may_aliases_for): Ditto.
5033         (is_aliased_with): Ditto.
5034         (add_may_alias_for_new_tag): Ditto.
5035         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5036         (compute_is_aliased): New function.
5037         (compute_may_aliases): Call compute_is_aliased).
5038         (init_alias_info): Initialize alias_bitmap_obstack.
5039         (union_alias_set_into): New function.
5040         (compute_flow_sensitive_aliasing): Use union_aliases_into.
5041         (have_common_aliases_p): Rewrite to take two bitmaps and use
5042         intersection.
5043         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5044         Update for bitmaps.
5045         (finalize_ref_all_pointers): Update for add_may_alias changes.
5046         (new_type_alias): Ditto.
5047         * tree-flow-inline.h (may_aliases): Return a bitmap.
5048         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5049         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5050         may_aliases being a bitmap.
5051         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5052         may_aliases now returns a bitmap.
5053         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5054         being a bitmap.
5055         * tree-ssa-operands.c (add_virtual_operand): Update for
5056         may_aliases being a bitmap.
5058 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
5060         PR tree-optimization/30630
5061         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5062         variable as changed.
5064 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
5066         PR c++/28266
5067         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5068         expanded only once even if an error occurs.
5070 2007-01-29  Ben Elliston  <bje@au.ibm.com>
5072         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5073         (__gcov_average_profiler): Likewise.
5074         (__gcov_ior_profiler): Likewise.
5075         (__gcov_merge_ior): Likewise.
5077 2007-01-28  Jan Hubicka  <jh@suse.cz>
5079         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5080         * value-prof.c (stringop_block_profile): Likewise.
5082 2007-01-28  Jan Hubicka  <jh@suse.cz>
5084         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5085         variant handling histograms; add wrapper.
5086         (clear_storage_via_libcall): Export.
5087         (emit_block_move_hints): Break out from ...; add histograms.
5088         (emit_block_move): ... this one.
5089         (clear_storage_hints): Break out from ...; add histograms.
5090         (clear_storage): ... this one.
5091         (set_storage_via_memset): Handle histogram.
5092         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5093         (clear_storage_hints, clear_storage_via_libcall): Declare.
5094         (set_storage_via_setmem): Update prototype.
5095         * doc/md.texi (movmem, setmem): Document new arguments.
5097         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5098         new histograms.
5099         (stringop_block_profile): New global function.
5100         (tree_stringops_values_to_profile): Profile block size and alignment.
5101         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5102         HIST_TYPE_IOR.
5103         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5104         (stringop_block_profile): Declare.
5105         * builtins.c: Include value-prof.h.
5106         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5107         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5108         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5109         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5110         * profile.c (instrument_values): Add new counters.
5111         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5112         calls.
5113         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5114         (tree_init_edge_profiler): Build new profilers.
5115         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5116         (pass_tree_profile): Add dump.
5117         (tree_profile_hooks): Update.
5118         * Makefile.in (LIBGCOV): Add new constants.
5119         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5120         __gcov_ior_profiler): New.
5121         * i386.md (movmem/setmem expanders): Add new optional arguments.
5123 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
5125         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5127 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5129         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5130         (tree_unswitch_single_loop): Pass eni_size_weights to
5131         tree_num_loop_insns.
5132         * tree-ssa-loop-manip.c: Include tree-inline.h.
5133         (can_unroll_loop_p): Pass eni_size_weights to
5134         tree_num_loop_insns.
5135         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5136         Pass eni_size_weights to estimate_num_insns.
5137         * tree.h (init_inline_once): Export.
5138         * toplev.c (backend_init): Call init_inline_once.
5139         * cgraphunit.c (cgraph_process_new_functions,
5140         cgraph_analyze_function): Pass eni_inlining_weights to
5141         estimate_num_insns.
5142         * ipa-inline.c (compute_inline_parameters): Ditto.
5143         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5144         to estimate_num_insns.
5145         (try_unroll_loop_completely): Pass eni_size_weights to
5146         tree_num_loop_insns.
5147         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5148         ot estimate_num_insns.
5149         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5150         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5151         * tree-inline.c (eni_inlining_weights, eni_size_weights,
5152         eni_time_weights): New variables.
5153         (init_inline_once): Initialize them.
5154         (struct eni_data): Mew.
5155         (estimate_num_insns_1, estimate_num_insns): Use weights.
5156         * tree-inline.h (struct eni_weights_d): New.
5157         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5158         (estimate_num_insns): Declaration changed.
5159         * cfgloop.h (tree_num_loop_insns): Declaration changed.
5160         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5161         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5163 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5165         * tree-data-ref.c (conflict_fn): Assert that the number of affine
5166         relations in the conflict function is valid.
5168 2007-01-27  Ian Lance Taylor  <iant@google.com>
5170         * common.opt: Add fstrict-overflow.
5171         * opts.c (decode_options): Set flag_strict_overflow if -O2.
5172         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5173         (TYPE_OVERFLOW_UNDEFINED): Define.
5174         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
5175         Replace all uses.
5176         * tree.h (TYPE_TRAP_SIGNED): Don't define.
5177         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5178         (fold_negate_expr): Likewise.
5179         (make_range): Likewise.
5180         (extract_muldiv_1): Likewise.
5181         (maybe_canonicalize_comparison): Likewise.
5182         (fold_comparison): Likewise.
5183         (fold_binary): Likewise.
5184         (tree_expr_nonnegative_p): Likewise.
5185         (tree_expr_nonzero_p): Likewise.
5186         * tree-vrp.c (compare_values): Likewise.
5187         (extract_range_from_binary_expr): Likewise.
5188         (extract_range_from_unary_expr): Likewise.
5189         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5190         Likewise.
5191         (nowrap_type_p): Likewise.
5192         * tree-scalar-evolution.c (simple_iv): Likewise.
5193         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5194         (build_range_check): Likewise.
5195         (extract_muldiv_1): Likewise.
5196         (fold_comparison): Likewise.
5197         * tree-vrp.c (vrp_int_const_binop): Likewise.
5198         (extract_range_from_unary_expr): Likewise.
5199         * convert.c (convert_to_integer): Likewise.
5200         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5201         (fold_comparison): Likewise.
5202         (fold_binary): Likewise.
5203         * optabs.c (optab_for_tree_code): Likewise.
5204         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5205         * simplify-rtx.c (simplify_const_relational_operation): Check
5206         flag_strict_overflow and flag_trapv.
5207         (simplify_const_relational_operation): Likewise.
5208         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5209         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
5210         -fstrict-overflow.
5212 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5214         * tree.c (tree_fold_gcd): Delete.
5215         * tree.h (tree_fold_gcd): Remove prototype.
5216         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5217         test whether one constant integer is a multiple of another.  Instead
5218         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5219         * fold-const.c (multiple_of_p):  We've determined both TOP and
5220         BOTTOM are integer constants so we can call int_const_binop directly
5221         instead of the more generic const_binop.
5223 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5225         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5226         1*X check that the constant hasn't overflowed, to preserve the
5227         TREE_OVERFLOW bit.
5228         (round_up): Provide an efficient implementation when rouding-up an
5229         INTEGER_CST to a power-of-two.
5231 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5233         * doc/sourcebuild.texi: Add comma for clarity.
5234         * doc/extend.texi: Fix some typos.
5235         * doc/passes.texi: Likewise.
5236         * doc/cppinternals.texi: Likewise.
5237         * doc/c-tree.texi: Likewise.
5238         * doc/tree-ssa.texi: Likewise.
5239         * doc/install.texi: Likewise.
5241 2007-01-27  Jan Hubicka  <jh@suse.cz>
5243         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5244         (pass_sra): Do not require alias information.
5245         * passes.c (init_optimization_passes): Add SRA
5247 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
5249         * tracer.c (rest_of_handle_tracer): We already cleaned
5250         up the CFG in tracer() so don't do it here again.
5251         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5252         cleanup_cfg here, either.  And don't call renumber_insns.
5254         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5255         and BB_HEAD are in the insn stream here.  Instead make sure
5256         that BB_INSN is valid on all insns.  Also, do check here that
5257         there are no pending branch predictions...
5258         (rtl_verify_flow_info): ...instead of doing it here.  Checks
5259         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5260         here.
5262 2007-01-26  Roger Sayle  <roger@eyesopen.com>
5264         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5265         function to simplify/factorize operand order canonicalization.
5266         (ix86_fixup_binary_operands): Reorganize using the above function.
5267         (ix86_binary_operator_ok): Likewise.
5269 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
5271         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5272         file scope from optimize_attrs.
5273         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5274         up search.
5275         (optimize_attrs): Clear insn_code_values after freeing it.
5277 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
5279         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5280         a parts.base assignment.
5282 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
5284         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5285         (compute_subscript_distance, initialize_data_dependence_relation,
5286         finalize_ddr_dependent, analyze_ziv_subscript,
5287         analyze_siv_subscript_cst_affine,
5288         compute_overlap_steps_for_affine_univar,
5289         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5290         analyze_siv_subscript, analyze_miv_subscript,
5291         analyze_overlapping_iterations, subscript_dependence_tester_1,
5292         compute_self_dependence, free_dependence_relation): Work
5293         with affine_fn instead of chrecs.
5294         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5295         common_affine_function, affine_function_base,
5296         affine_function_constant_p, affine_fn_op, affine_fn_plus,
5297         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5298         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5299         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5300         (all_chrecs_equal_p): Removed.
5301         * tree-data-ref.h (affine_fn, conflict_function): New types.
5302         (struct subscript): Change type of conflicting_iterations_in_a
5303         and conflicting_iterations_in_b.
5305 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
5307         PR other/30182
5308         * config/pa/pa.h (TARGET_HPUX_11): New.
5309         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5310         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5312 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
5313         Richard Guenther  <rguenther@suse.de>
5315         * tree-ssa-structalias.c (solve_graph): Handle case
5316         we merged the variable to another.
5318 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5320         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5321         functions.
5323         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5324         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5326 2007-01-25  DJ Delorie  <dj@redhat.com>
5328         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5329         allow changes to modes which don't fit in those registers.
5331         * reload1.c (choose_reload_regs): Check for invalid subregs before
5332         computing their locations, not after.
5334 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
5336         PR 25127
5337         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5338         save Altivec registers in an eh_return function.
5339         (compute_vrsave_mask): Likewise.
5340         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5341         for saving Altivec registers.
5342         (rs6000_emit_prologue): Don't allocate stack twice in
5343         eh_return function.  Correct expected value of altivec_save_offset
5344         when using save_world.  Describe save of R0 to stack when using
5345         save_world.  Describe stack pointer adjustment when using
5346         save_world.  Remove duplicated eh_return parameter register saving.
5347         Update sp_offset variable after save_world.
5348         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5349         darwin-world.asm.
5350         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5351         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5352         implies Altivec.
5354 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
5356         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5358 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
5360         PR other/30182
5361         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5362         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
5364 2007-01-25  Richard Guenther  <rguenther@suse.de>
5366         * doc/invoke.texi (-Wcoverage-mismatch): Document.
5367         * common.opt (-Wcoverage-mismatch): New warning option.
5368         * coverage.c (get_coverage_counts): Ignore coverage mismatch
5369         if -Wcoverage-mismatch is given.
5371 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
5373         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5374         (ipcp_driver): Change to static definition.
5375         Add dumping of the ifunctions.
5376         (constant_val_insert): Remove unused parameter. Support for SSA.
5377         (ipcp_propagate_const): Support for SSA.
5378         (ipcp_profile_bb_print): Print only analyzed nodes.
5379         (ipcp_replace_map_create): Remove support for Fortran constant
5380         for now.
5381         * ipa-prop.c (ipa_method_modify_stmt,
5382         ipa_callsite_compute_param): Support for SSA.
5383         * ipa-prop.h (ipcp_driver): Remove declaration.
5384         (IS_VALID_TREE_MAP_INDEX): Add define.
5386 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
5388         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5390 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5392         PR middle-end/30447
5393         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5394         constant argument to cabs and do it without checking for
5395         -funsafe-math-optimizations.
5397 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
5399         * c-common.h (RID_FIRST_CXX0X): New.
5400         (RID_LAST_CXX0X): New.
5401         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5402         by -Wall.
5403         * c.opt (Wc++0x-compat): New.
5404         * doc/invoke.texi (-Wc++0x-compat): Document.
5406 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5408         * builtins.c (fold_builtin_carg): New.
5409         (fold_builtin_1): Use it.
5411 2007-01-24  Jan Hubicka  <jh@suse.cz>
5413         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5415         * ipa-inline.c (initial_insns, max_insns): Delete.
5416         (compute_max_insns): New function.
5417         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5418         of insns as base for code growth.
5419         (cgraph_decide_inlining): Make initial_insns local; do not compute
5420         max_insns.
5421         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5422         * doc/invoke.texi (inline-unit-growth): Update docs.
5424 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
5426         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5427         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5428         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5429         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
5430         for CPUs that have PTA_CX16 set.
5432         PR middle-end/27416
5433         * gimplify.c (omp_check_private): New function.
5434         (gimplify_scan_omp_clauses): Use it for
5435         firstprivate/lastprivate/reduction.
5437         PR middle-end/30494
5438         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5439         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5441         PR middle-end/30421
5442         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5443         If lower_lastprivate_clauses emits some statements, append them
5444         to dlist rather than body_p and to body_p append an initializer.
5445         (lower_omp_for): Adjust caller.
5447 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
5449         * target.h (globalize_decl_name): New.
5450         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5451         * output.h (default_globalize_decl_name): New.
5452         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5453         globalize_label.
5454         (globalize_decl): Ditto.
5455         (default_globalize_decl_name): New.
5456         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5457         (ia64_handle_version_id_attribute): New.
5458         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5459         (ia64_asm_output_external): Use globalize_decl_name instead
5460         of globalize_label.
5461         * doc/extend.texi (version_id): New pragma.
5462         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5464 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5466         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5467         _uleb128_t and _Unwind_SWord with _sleb128_t.
5468         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5469         uw_frame_state_for, uw_update_context_1): Likewise.
5470         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
5471         * unwind-pe.h (read_uleb128, read_sleb128,
5472         read_encoded_value_with_base): Likewise.
5473         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
5475 2007-01-24  Richard Guenther  <rguenther@suse.de>
5477         * builtins.c (expand_builtin_cexpi): Get the fndecl
5478         for cexp in the correct way.
5480 2007-01-24  Jan Hubicka  <jh@suse.cz>
5482         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
5484 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5486         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
5487         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
5488         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
5489         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
5490         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
5491         __SIZEOF_PTRDIFF_T__.
5492         * doc/cpp.texi: Documentation for the new builtin macros added.
5494 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
5496         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
5497         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
5498         instead of operands[2] to avoid access past the end of array.
5500 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
5502         * reload1.c (emit_reload_insns): Pass the reload register
5503         for a non-spill output reload through forget_old_reloads_1.
5505 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
5507         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5508         _SOFT_DOUBLE if doubles use software floating-point.
5509         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
5510         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5511         * config/rs6000/darwin-ldouble.c: Also compile functions for
5512         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
5513         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5514         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
5515         commented-out long double override.
5516         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
5517         * config/rs6000/eabispe.h: Likewise.
5518         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
5519         long double for non-SPE.
5520         (rs6000_handle_option): Likewise.
5521         (invalid_e500_subreg): Disallow more subregs involding DImode,
5522         DFmode, TImode or TFmode.
5523         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
5524         E500 double.
5525         (legitimate_lo_sum_address_p): Also check for TFmode for E500
5526         double.
5527         (rs6000_legitimize_address): Also handle TFmode for E500 double.
5528         (rs6000_legitimize_reload_address): Also handle TFmode for E500
5529         double.
5530         (rs6000_legitimate_address): Also check for TFmode for E500
5531         double.
5532         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
5533         (spe_build_register_parallel): Handle TFmode and TCmode.
5534         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
5535         double.
5536         (function_arg): Handle TFmode and TCmode for E500 double.
5537         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
5538         in general.
5539         (print_operand): Handle TFmode and TImode for %y.
5540         (rs6000_generate_compare): Handle TFmode comparisons for E500
5541         double.
5542         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
5543         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
5544         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
5545         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
5546         TFmode for E500 double.
5547         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
5548         (floatsidf2): Enable for E500 double.
5549         (movtf_softfloat): Use rs6000_nonimmediate_operand.
5550         (extenddftf2): Change to extenddftf2_fprs.
5551         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
5552         depending on TARGET_E500_DOUBLE.
5553         (extendsftf2): Enable for E500 double.
5554         (trunctfdf2): Enable for E500 double.
5555         (trunctfsf2): Change to trunctfsf2_fprs.
5556         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
5557         depending on TARGET_E500_DOUBLE.
5558         (floatsitf2): Enable for E500 double.
5559         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
5560         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
5561         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
5562         (negtf2): Change to negtf2_internal.
5563         (negtf2): New expander.
5564         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
5565         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
5566         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
5567         (movdi_internal32): Use rs6000_nonimmediate_operand.
5568         (unnamed splitter): Likewise.
5569         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
5570         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
5571         (SPE64TF, DITI): New mode macros.
5572         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
5573         modes.
5574         (frob_tf_ti): New.
5575         (frob_<mode>_di_2): New.
5576         (frob_tf_di_8_2): New.
5577         (frob_di_df): Change to frob_di_<mode>; allow more modes.
5578         (frob_ti_tf): New.
5579         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
5580         more modes.
5581         (frob_ti_<mode>_8_2): New.
5582         (frob_ti_tf_2): New.
5583         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
5584         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
5585         TFmode.
5586         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
5587         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
5588         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
5589         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
5590         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
5591         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
5592         tsttflt_gp): New.
5594 2007-01-23  Ian Lance Taylor  <iant@google.com>
5596         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
5597         insn-*.o first.
5598         (OBJS-archive): Reformat, alphabetize.
5599         (OBJS): Change out_object_file to OBJS-md.
5601 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
5603         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
5604         JUMP_P and CALL_P predicates where applicable.
5605         * config/i386/i386.c: Ditto.
5606         * config/i386/i386.md: Ditto.
5607         * config/i386/mmx.md: Ditto.
5608         * config/i386/predicates.md: Ditto.
5610 2007-01-22  Andreas Schwab  <schwab@suse.de>
5612         * config/m68k/m68k.h: Fix comment.
5614 2007-01-22  Jan Hubicka  <jh@suse.cz>
5616         * passes.c (init_optimization_passes): Do not rerun
5617         pass_early_warn_uninitialized.
5619 2007-01-22  Richard Guenther  <rguenther@suse.de>
5621         PR tree-optimization/30038
5622         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
5623         function.
5624         (execute_cse_sincos_1): Likewise.
5625         (execute_cse_sincos): Likewise.
5626         (gate_cse_sincos): Likewise.
5627         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
5628         the cexpi() canonicalization of sincos().
5629         * tree-pass.h (pass_cse_sincos): Declare.
5630         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
5632 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5634         PR rtl-optimization/29329
5635         * combine.c (replaced_rhs_insn): Rename to i2mod.
5636         (replaced_rhs_value): Rename to i2mod_new_rhs.
5637         (i2mod_old_rhs): New global variable.
5638         (combine_instructions): Adjust for above change.  Save a copy of
5639         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
5640         note are substituted in the second instruction.
5641         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
5642         ditch the note if it pertains to the second eliminated register
5643         and this register is mentioned in i2mod_old_rhs.
5645         Revert:
5646         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5648         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5649         the insn to which the note was originally attached.
5651 2007-01-21  Jan Hubicka  <jh@suse.cz>
5653         * ipa-inline.c (inlining_mode): Comment, move up.
5654         (cgraph_decide_inlining_incrementally): Do not perform inlining
5655         itself; fix handling of flattening of self recursive functions.
5656         (cgraph_find_cycles): Remove.
5657         (cgraph_flatten_node): Remove.
5658         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
5659         (try_inline): New function.
5660         (cgraph_early_inlining): Update call of
5661         cgraph_decide_inlining_incrementally.  Apply inlining here.
5662         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
5664 2007-01-21  Dirk Mueller  <dmueller@suse.de>
5666         PR bootstrap/30511
5667         * tree-vrp.c (check_array_bounds): do not warn
5668         about ADDR_EXPR's of ARRAY_REF's which are immediately
5669         used in binary expressions.
5671 2007-01-21  Ira Rosen  <irar@il.ibm.com>
5673         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
5674         read_write_dep and macros for its access.
5675         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
5676         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
5677         argument, call vect_check_interleaving for every independent pair of
5678         data-refs. Mark loads that access the same memory location as a store
5679         in the loop.
5680         (vect_check_dependences): Remove.
5681         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
5682         call, fix the call to vect_analyze_data_ref_dependence.
5683         (vect_analyze_data_ref_access): For statements that access the same
5684         data-ref, check that they are not stores; for loads, check that there
5685         is no store that access the same location.
5687 2007-01-20  Roger Sayle  <roger@eyesopen.com>
5688             Joseph Myers  <joseph@codesourcery.com>
5690         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
5691         (-fdump-rtl-stack): Likewise.
5692         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
5693         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
5694         (-mpt-fixed): Use @minus{} for minus sign.
5695         (Using Precompiled Headers): Fix under/overfull hbox.
5697 2007-01-20  Jan Hubicka  <jh@suse.cz>
5699         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
5700         place within annotation.
5702 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5704         * pa.c (output_move_double): Change array size of xoperands to 4.
5706 2007-01-20  Jan Hubicka  <jh@suse.cz>
5708         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
5709         as temporary.
5711 2007-01-19  Ian Lance Taylor  <iant@google.com>
5713         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
5714         constant to unsigned HOST_WIDE_INT before negating.
5716 2007-01-19  Ian Lance Taylor  <iant@google.com>
5718         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
5719         to unsigned.
5720         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
5721         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5722         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
5723         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
5724         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5725         (realloc_vdef, realloc_vuse): Change second parameter to
5726         unsigned.
5727         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
5728         fields to unsigned.
5729         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
5730         unsigned. Change x and lim locals to unsigned.
5731         (realloc_vdef, realloc_vuse): Change num_elem parameter to
5732         unsigned.
5733         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
5734         (copy_virtual_operands): Change i and n locals to unsigned.
5736 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5738         PR middle-end/29335
5739         * builtins.c (fold_builtin_1): Handle builtin fdim.
5741 2007-01-20  Jan Hubicka  <jh@suse.cz>
5743         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
5744         * tree-ssa-structalias.c (compute_points_to_sets): Do call
5745         init_alias_heapvars.
5746         (init_alias_heapvars): Initialize only when not already initialized.
5747         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
5749 2007-01-19  Roger Sayle  <roger@eyesopen.com>
5751         * common.opt (fsigned-zeros): New command line option.
5752         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
5753         of flag_unsafe_math_optimizations.
5754         * opts.c (set_fast_math_flags): The -ffast-math command line option
5755         implies -fno-signed-zeros.
5756         (fast_math_flags_set_p): Likewise.
5758         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
5759         the documentation of -ffast-math appropriately.  Wrap long lines.
5761 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
5763         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
5764         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
5766 2007-01-19  Tomas Bily  <tbily@suse.cz>
5768         * cgraphunit.c (cgraph_finalize_function): Updating of pid
5769         * tree-profile.c:
5770         (tree_init_ic_make_global_vars): New function
5771         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
5772         (tree_gen_ic_profiler): New function
5773         (tree_gen_ic_func_profiler): New function
5774         (tree_profiling): Added calling of tree_gen_ic_func_profiler
5775         (tree_profile_hooks): Added hook for indirec/virtual calls
5776         * value-prof.c (tree_find_values_to_profile): New case for
5777         indirect calls
5778         (tree_values_to_profile): Call for determining indirect/virtual
5779         counters
5780         (tree_indirect_call_to_profile): New function
5781         (tree_ic_transform): New function
5782         (tree_ic): New function
5783         (find_func_by_pid): New function
5784         (init_pid_map): New function
5785         (tree_value_profile_transformations): Added check for
5786         indirect/virtual call transformation
5787         * value-prof.h (enum hist_type): New counter type for
5788         indirect/virtual calls
5789         (profile_hooks): Added new hook for profiling indirect/virtual
5790         calls
5791         * profile.c (instrument_values): New case for indirect/virtual
5792         call added
5793         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
5794         (GCOV_COUNTER_V_INDIR): New counter type
5795         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
5796         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
5797         call added
5798         * cgraph.c: Definition of cgraph_max_pid
5799         (cgraph_create_node): Default init of pid attribute
5800         * cgraph.h: Declaration of cgraph_max_pid
5801         (struct cgraph_node): Added pid attribute
5802         * libgcov.c (__gcov_indirect_call_profiler): New function
5803         (__gcov_one_value_profiler_body): New function
5804         (__gcov_one_value_profiler): Body was moved to
5805         __gcov_one_value_profiler_body and calls it
5807 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
5809         * doc/gty.texi (Options): Document the mark_hook option to GTY.
5810         * gengtype.c (write_types_data, write_func_for_structure,
5811         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
5812         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
5813         (walk_type, write_func_for_structure): Generate the mark_hook if
5814         needed.
5816 2007-01-19  Jan Hubicka  <jh@suse.cz>
5818         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
5819         'early' argument take inlining mode argument specifying whether to
5820         inline for size/speeed or all functions; add support for flattening;
5821         improve dumpting.
5822         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
5824 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5826         PR c++/17947
5827         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
5828         the name of the declared identifier.
5830 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5832         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
5833         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
5834         duplicate evaluation.
5836 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5838         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
5839         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
5840         to XFMode, use acosxf2 and truncate result to requested mode.
5841         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5842         (asin<mode>2): Similarly, with asin expanders.
5843         (*fscalexf4_i387): Rename from *fscalexf4.
5844         (expNcorexf3): New expander.
5845         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
5846         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
5847         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
5848         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
5849         patterns for SSE math.
5850         (exp10<mode>2): Similarly, with exp10 expanders.
5851         (exp2<mode>2): Similarly, with exp2 expanders.
5852         (expm1<mode>2): Similarly, with expm1 expanders.
5853         (ldexp<mode>3): Similarly, with ldexp expanders.
5854         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
5855         Use gen_truncxf<mode>2_i387_noop to truncate result.
5857 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5859         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
5860         for ColdFire targets.
5862 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
5863             Richard Sandiford  <richard@codesourcery.com>
5865         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
5866         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
5867         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
5868         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
5869         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5870         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5872 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5874         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
5875         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
5876         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
5877         (*adddi_dilshr32_cf): New pattern.
5878         (adddi3, subdi3): Remove first alternatives.
5880 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5882         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
5883         implemented using move.l, do not use its cc result for floating-point
5884         comparisons.
5886 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5888         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
5889         from accepting 's' constraints if flag_pic.
5891 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5893         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
5894         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
5895         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
5896         condition from TARGET_68881 to TARGET_HARD_FLOAT.
5898 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
5900         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
5901         ColdFire alternatives.
5902         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
5903         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
5904         architectures that support ff1 instruction.
5906 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5907             Julian Brown  <julian@codesourcery.com>
5909         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
5910         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
5911         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
5912         Add commentary.
5914 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5916         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
5917         and return a bool.
5918         (output_move_const_into_data_reg, output_move_simode_const): Delete.
5919         * config/m68k/m68k.c (const_method, const_int_cost): Take a
5920         HOST_WIDE_INT instead of an rtx.
5921         (m68k_rtx_costs): Update call accordingly.
5922         (output_move_const_into_data_reg): Likewise.  Fix formatting.
5923         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
5924         Return a bool.
5925         (output_move_simode_const): Update calls after above changes.
5926         Rework to use automatic variables and predicates like MEM_P.
5927         * config/m68k/m68k.md (pushexthisi_const): Update call to
5928         valid_mov3q_const.
5930 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5932         * tree-ssa-alias.c (perform_var_substitution): Fix typo
5933         in dump_flags test.
5935 2007-01-19  Richard Guenther  <rguenther@suse.de>
5937         * builtins.c (expand_builtin_cexpi): Fall back to expanding
5938         via cexp in case sincos is not available.
5940 2007-01-19  Richard Guenther  <rguenther@suse.de>
5942         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
5943         * defaults.h (TARGET_HAS_SINCOS): Default to off.
5944         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
5945         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
5946         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
5947         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
5948         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
5949         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
5951 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5953         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
5954         New insn patterns.
5955         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
5956         (atan2xf3): Directly generate RTL pattern.
5957         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
5958         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5959         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5960         disable patterns for SSE math.
5961         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
5962         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5963         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5964         disable patterns for SSE math.
5966 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
5968         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
5970 2007-01-18  Roger Sayle  <roger@eyesopen.com>
5972         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
5973         VIEW_CONVERT_EXPR to the same type as it's operand.
5975 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
5977         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
5978         configured for long double 128.
5980 2007-01-18  Mike Stump  <mrs@apple.com>
5982         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
5983         error.
5985 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
5987         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
5988         type correct.
5990 2007-01-18  Jan Hubicka  <jh@suse.cz>
5992         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
5993         greater than NUM_VOP_FREE_BUCKETS.
5995 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
5997         * tree-ssa-structalias.c: Update comments.
5998         (ptabitmap_obstack): Removed.
5999         (pta_obstack): New.
6000         (oldpta_obstack): Ditto.
6001         (stats): Add a few members.
6002         (struct variable_info): Remove node, complex, address_taken, and
6003         indirect_target members. Add oldsolution member.
6004         (new_var_info): Do not initialize removed members.
6005         (constraint_expr_type): Remove INCLUDES.
6006         (constraint_graph): Add size, implicit_preds, rep,
6007         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6008         (FIRST_REF_NODE): New macro.
6009         (LAST_REF_NODE): Ditto.
6010         (FIRST_ADDR_NODE): Ditto.
6011         (find): New function.
6012         (unite): Ditto.
6013         (dump_constraint): Do not handle INCLUDES.
6014         (insert_into_complex): Do not insert duplicate constraints.
6015         (condense_varmap_nodes): Renamed and rewritten into ...
6016         (merge_node_constraints): This. Also fix bug in handling of
6017         offseted copy constraints.
6018         (clear_edges_for_node): No longer need to deal with preds at all,
6019         or removing associated preds/succs.
6020         (merge_graph_nodes): Deal with indirect_cycles.
6021         Don't deal with predecessors.
6022         (add_implicit_graph_edge): New function.
6023         (add_pred_graph_edge): Ditto.
6024         (add_graph_edge): Don't deal with predecessors.
6025         (build_constraint_graph): Removed.
6026         (build_pred_graph): New function.
6027         (build_succ_graph): Ditto.
6028         (struct scc_info): Removed in_component. Added roots, dfs, and
6029         node_mapping. Remove visited_index, unification_queue.
6030         (scc_visit): Deal with union-find we do now.
6031         Deal with cycles with REF nodes.
6032         (collapse_nodes): Renamed and rewritten to ...
6033         (unify_nodes): This.
6034         (process_unification_queue): Removed.
6035         (topo_visit): Cleanup
6036         (do_da_constraint): Use find.
6037         (do_sd_constraint): Ditto.
6038         (do_ds_constraint): Ditto.
6039         (do_complex_constraint): Ditto.
6040         (init_scc_info): Update for removed and added members.
6041         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6042         (find_indirect_cycles): This.
6043         (equivalence_class): New variable.
6044         (label_visit): New function.
6045         (perform_variable_substitution): Rewritten.
6046         (free_var_substitution_info): New function.
6047         (find_equivalent_node): Ditto.
6048         (move_complex_constraints): Ditto.
6049         (eliminate_indirect_cycles): Ditto.
6050         (solve_graph): Only propagate changed bits.
6051         Use indirect cycle elimination.
6052         Use find.
6053         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6054         (tree_id_eq): Renamed to ...
6055         (tree_vi_eq): This. Update for member change
6056         (insert_id_for_tree): Renamed and rewritten to ...
6057         (insert_vi_for_tree): This.
6058         (lookup_id_for_tree): Renamed and rewritten to ...
6059         (lookup_vi_for_tree): This.
6060         (get_id_for_tree): Renamed and rewritten to ...
6061         (get_vi_for_tree): Ditto.
6062         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6063         (process_constraint): Don't handle INCLUDES.
6064         Remove special ADDRESSOF case.
6065         (find_func_aliases): Rewrite to use vi functions instead of id
6066         ones.
6067         (create_function_info_for): Ditto.
6068         (create_variable_info_for): Ditto.
6069         (intra_create_variable_infos): Ditto.
6070         (merge_smts_into): Ditto.
6071         (find_what_p_points_to): Ditto.
6072         (init_base_vars): Ditto.
6073         (init_alias_vars): Ditto.
6074         (remove_preds_and_fake_succs): New function.
6075         (dump_sa_points_to_info): Dump new stats.
6076         (dump_solution_for_var): Use find.
6077         (set_used_smts): Fix formatting.
6078         (compute_points_to_sets): Updated for new functions.
6079         (ipa_pta_execute): Ditto.
6081 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6082             Richard Sandiford  <richard@codesourcery.com>
6084         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6085         parallels.
6086         * calls.c (expand_call): If the return value is a PARALLEL,
6087         extract its first member.
6088         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6089         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6090         use FUNCTION_EXTRA_EPILOGUE.
6091         (m68k_function_value): Return a PARALLEL if the return value
6092         is of a pointer type.
6093         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6094         (FUNCTION_EXTRA_EPILOGUE): Remove.
6095         * config/m68k/m68k.md (D0_REG): New constant.
6097 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6099         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6100         output a NOP for empty epilogues.
6102 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6104         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6105         before function.  Extend register save check to include all
6106         registers, not just integer ones.
6108 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6110         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6111         (m68k_use_return_insn): ...this.
6112         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6113         * config/m68k/m68k.c (use_return_insn): Rename to...
6114         (m68k_use_return_insn): ...this.
6115         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6116         of USE_RETURN_INSN.
6118 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6120         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6121         nearest even, fix denormal rounding overflow.
6123 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6125         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6126         f%$smove and f%$move.
6127         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6128         (extendsfdf2_cf): Use fdmove instead of f%&move.
6129         (truncdfsf2_cf): Use fsmove instead of f%$smove.
6130         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6132 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6134         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6135         GPR<-GPR moves.
6137 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6139         * real.h (real_format): Add a canonical_nan_lsbs_set field.
6140         (coldfire_single_format): Declare.
6141         (coldfire_double_format): Likewise.
6142         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6143         of qnan_msb_set to determine the lower bits of a canonical
6144         NaN significand.
6145         (encode_ieee_double): Likewise.
6146         (encode_ieee_quad): Likewise.
6147         (ieee_single_format): Initialize canonical_nan_lsbs_set.
6148         (mips_single_format): Likewise.
6149         (ieee_double_format): Likewise.
6150         (mips_double_format): Likewise.
6151         (ieee_extended_motorola_format): Likewise.
6152         (ieee_extended_intel_96_format): Likewise.
6153         (ieee_extended_intel_128_format): Likewise.
6154         (ieee_extended_intel_96_round_53_format): Likewise.
6155         (ibm_extended_format): Likewise.
6156         (mips_extended_format): Likewise.
6157         (ieee_quad_format): Likewise.
6158         (mips_quad_format): Likewise.
6159         (vax_f_format): Likewise.
6160         (vax_d_format): Likewise.
6161         (vax_g_format): Likewise.
6162         (i370_single_format): Likewise.
6163         (i370_double_format): Likewise.
6164         (decimal_single_format): Likewise.
6165         (decimal_double_format): Likewise.
6166         (decimal_quad_format): Likewise.
6167         (c4x_single_format): Likewise.
6168         (c4x_extended_format): Likewise.
6169         (real_internal_format): Likewise.
6170         (coldfire_single_format): New real_format.
6171         (coldfire_double_format): Likewise.
6172         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6173         canonical_nan_lsbs_set.
6174         (pdp11_d_format): Likewise.
6175         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6176         if TARGET_COLDFIRE_CPU.
6178 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6180         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6181         (output_call, m68k_legitimize_call_address): Declare.
6182         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6183         parenthesees.  Add support for a 'W' constraint.
6184         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6185         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6186         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6187         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6188         variables.
6189         (override_options): Initialize them.  Do not set flag_no_function_cse
6190         for TARGET_ID_SHARED_LIBRARY.
6191         (m68k_output_pic_call): Delete.
6192         (m68k_legitimize_call_address): New function.
6193         (print_operand): Remove the %o prefix.  Handle the %p prefix.
6194         (output_call): New function.
6195         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
6196         target address from the GOT if symbolic jumps are not allowed.
6197         * config/m68k/m68k.md (call, general_operand): Do not set
6198         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
6199         Merge separate flag_pic and !flag_pic define_insns into...
6200         (*call, *call_value): ...these new patterns.  Match the address
6201         rather than the containing MEM and require it to be a call_operand.
6202         Use output_call to generate the asm template.
6203         * config/m68k/predicates.md (const_call_operand): New predicate.
6204         (call_operand): Likewise.
6206 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6208         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6209         (STACK_GROWS_DOWNWARD): Define to 1.
6210         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6211         comments, emphasizing that these values are only defaults.
6212         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6213         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6215 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6217         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6219 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6220             Richard Sandiford  <richard@codesourcery.com>
6222         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6223         (FP_REGNO_P): New macros.
6224         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6225         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6226         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6227         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6229 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6231         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6232         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6233         to $tmake_file.
6234         * config/m68k/t-floatlib: New file, extracting common code from...
6235         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6236         * config/m68k/t-uclinux: Here.
6237         * config/m68k/fpgnulib.c: Do not compile extendeed precision
6238         routines on ColdFire targets.
6240 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6242         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6243         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6244         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6245         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6246         explicitly set MOTOROLA to 1.
6247         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6249 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6250             Nathan Sidwell  <nathan@codesourcery.com>
6252         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6253         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6254         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6255         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6256         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6257         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6258         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6259         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6260         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6261         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6262         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6263         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6264         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6265         (DBX_REGISTER_NUMBER): Delete.
6266         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6267         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6268         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6270 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6272         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6273         * config/flat.h: New file.
6274         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6275         OBJECT_FORMAT_FLAT.
6276         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6277         indirect references for -msep-data or -mid-shared-library.
6278         Do not use PC-relative code addresses either.
6279         * config/m68k/m68k.c (override_options): Restrict -fPIC error
6280         to -mpcrel.
6281         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
6282         for shared libraries and crt1.o for executables.  Use crti.o and
6283         crtbegin.o.
6284         (ENDFILE_SPEC): Use crtend.o and crtn.o.
6285         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6286         Do not add -elf2flt or -shared-lib-id options here.
6287         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
6288         Pass -shared-lib-id if -mid-shared-library, taking the library
6289         identifier from -mshared-library-id if given, otherwise
6290         defaulting to 0.
6291         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6292         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6293         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6294         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6295         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6296         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6297         and crtend.o.
6298         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6299         jump sequence for ISA A and ISA A+.
6300         (PICJUMP): Likewise.
6302 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6304         * config.gcc (m68k-*-uclinux*): Base the port on the common
6305         and m68k GNU/Linux files rather than on the generic ELF ones.
6306         * config/m68k/uclinux.h (TARGET_VERSION): Override.
6307         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6309 2007-01-18  Julian Brown  <julian@codesourcery.com>
6310             Richard Sandiford  <richard@codesourcery.com>
6312         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6313         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6314         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6315         before redefining.
6316         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6317         80 unconditionally.
6318         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6320 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6322         * doc/install.texi: Document m68k-uclinuxoldabi.
6323         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6324         * config/m68k/uclinux-oldabi.h: New file, copied from
6325         config/m68k/uclinux.h.
6327 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
6329         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6330         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6331         (m32r_compute_frame_size): Use unsigned for regno.
6332         (m32r_reload_lr): Use gen_frame_mem.
6333         (pop): New.
6334         (m32r_output_function_epilogue): Don't output the function epilogue
6335         textually here.
6336         (m32r_expand_epilogue): New.
6337         (direct_return): Return false if the function has the interrupt
6338         attribute.
6339         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6340         * config/m32r/m32r.md (epilogue): New expander.
6341         (return_lr, return_rte): New insns.
6342         (return): Make it expander.
6343         (return_normal): New expander.
6345 2007-01-18  Josh Conner  <jconner@apple.com>
6347         PR target/30485
6348         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6349         support for UNLE, UNLT, UNGE, and UNGT.
6351 2007-01-18  Jan Hubicka  <jh@suse.cz>
6353         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6354         * tree-tailcall (add_virtual_phis): Likewise.
6355         (optimize_tail_call): Return TODOs.
6356         (execute_tail_calls): Return TODOs.
6357         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6358         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6359         changed.
6360         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6361         Cleanup cfg using TODO.
6362         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6363         * passes.c (execute_function_todo): When cleanup did something, remove
6364         unused locals.
6365         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6366         (make_edges): Don't cleanup_cfg.
6368 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
6370         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6371         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6372         operate on the top of stack.
6373         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6374         register handling of instructions that output to the second
6375         stack slot.
6376         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6377         (move_for_stack_reg): Special-case check for dead destination
6378         stack slot for constant load of 1.0 inside UNSPEC_TAN.
6380         * config/i386/i386.md (UNSPEC_TAN): New constant.
6381         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6382         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6383         to correctly model move of constant 1.0 to top stack slot.
6384         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6385         (unnamed peephole2 pattern): Remove corresponding peephole2
6386         pattern that optimizes tan insn and loading of constant 1.0.
6387         (tanxf2): Use fptanxf4_i387.
6388         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6389         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
6390         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6391         disable patterns for SSE math.
6392         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6393         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6395 2007-01-18  Dirk Mueller  <dmueller@suse.de>
6396             Richard Guenther <rguenther@suse.de>
6398         PR diagnostic/8268
6399         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6400         * common.opt (Warray-bounds): Add new warning option.
6401         * c-opts.c (c_common_handle_option): Define -Warray-bounds
6402         if -Wall is given.
6403         * Makefile.in: make tree-vrp.o depend on toplev.h
6404         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6405         is enabled.
6406         (check_array_refs, check_array_bounds, check_array_ref): New.
6408 2007-01-18  Jan Hubicka  <jh@suse.cz>
6410         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6411         (execute_ssa_ccp): Return flags conditionally.
6412         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6413         changed.
6414         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6416 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
6418         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6419         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6421         * Makefile.c (GTFILES): Add cfglayout.h.
6422         * gengtype.c (open_base_files): Likewise.
6423         * cfglayout.c (cfg_layout_function_footer,
6424         cfg_layout_function_header) Reindent to make gengtype happy.
6425         * cfglayout.h (cfg_layout_function_footer,
6426         cfg_layout_function_header): Add GTY(()) marker.
6428         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6430 2007-01-18  Ben Elliston  <bje@au.ibm.com>
6432         * genautomata.c (write_automata): Include xstrerror output in the
6433         error message if writing the DFA description file fails.
6435 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
6437         * config/mips/mips-protos.h (mips_output_external): Make it
6438         return void.
6439         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6440         * config/mips/mips.c (irix_output_external_libcall): Likewise.
6441         (extern_list): Likewise.
6442         (extern_head): Likewise.
6443         (TARGET_ASM_FILE_END): Likewise.
6444         (mips_file_end): Likewise.
6445         (mips_output_external): Rewritten.
6447 2007-01-18  Ben Elliston  <bje@au.ibm.com>
6449         * genpreds.c (write_insn_preds_c): Only write out the function
6450         body for regclass_for_constraint if we have register constraints.
6452 2007-01-17  Tom Tromey  <tromey@redhat.com>
6454         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6455         * doc/install.texi (Testing): Use sourceware.org.
6456         (Binaries): Likewise.
6457         (Specific): Likewise.
6458         * doc/contrib.texi (Contributors): Use sourceware.org.
6460 2007-01-17  Anatoly Sokolov <aesok@post.ru>
6462         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6463         (AVR_ENHANCED): Rename to ...
6464         (AVR_HAVE_MUL): ... new.
6465         (avr_enhanced_p): Rename to ...
6466         (avr_have_mul_p): ... new.
6467         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6468         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6469         * config/avr/avr.c (avr_enhanced_p): Rename to ...
6470         (avr_have_mul_p): ... new.
6471         (base_arch_s): Rename 'enhanced' to 'have_mul'.
6472         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
6473         'avr_enhanced_p' and 'enhanced'.
6474         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
6475         AVR_HAVE_MUL instead of AVR_ENHANCED.
6476         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6477         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
6478         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
6479         instead of AVR_ENHANCED.
6480         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6481         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
6482         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
6484 2007-01-17  Ian Lance Taylor  <iant@google.com>
6486         * vec.h (VEC_reserve_exact): Define.
6487         (vec_gc_p_reserve_exact): Declare.
6488         (vec_gc_o_reserve_exact): Declare.
6489         (vec_heap_p_reserve_exact): Declare.
6490         (vec_heap_o_reserve_exact): Declare.
6491         (VEC_OP (T,A,reserve_exact)): New static inline function, three
6492         versions.
6493         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
6494         negative parameter.
6495         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
6496         (VEC_OP (T,A,copy)) [all versions]: Likewise.
6497         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
6498         * vec.c (calculate_allocation): Add exact parameter.  Change all
6499         callers.
6500         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
6501         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
6502         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
6503         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
6504         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
6505         (vec_heap_p_reserve_exact): New function.
6506         (vec_heap_o_reserve_exact): New function.
6508 2007-01-17  Jan Hubicka  <jh@suse.cz>
6510         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
6512 2007-01-17  Eric Christopher  <echristo@apple.com>
6514         * config.gcc: Support core2 processor.
6516 2007-01-16  Jan Hubicka  <jh@suse.cz>
6518         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
6519         the names, just unlink the chain so we don't crash on dangling pointers
6520         to dead SSA names.
6522 2007-01-16  Jan Hubicka  <jh@suse.cz>
6524         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
6525         * tree-pass.h: Reorder to make IPA passes appear toegher.
6526         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
6527         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
6528         parameters, do not call early inliner.
6529         * ipa-inline.c: Update comments.  Include tree-flow.h
6530         (cgraph_decide_inlining): Do not compute inlining parameters.
6531         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
6532         be called with function context set up.
6533         (pass_ipa_inline): Remove unreachable functions before pass.
6534         (cgraph_early_inlining): Simplify assuming to be called from the
6535         PM as local pass.
6536         (pass_early_inline): New pass.
6537         (cgraph_gate_ipa_early_inlining): New gate.
6538         (pass_ipa_early_inline): Turn into simple wrapper.
6539         (compute_inline_parameters): New function.
6540         (gate_inline_passes): New gate.
6541         (pass_inline_parameters): New pass.
6542         (apply_inline): Move here from tree-optimize.c
6543         (pass_apply_inline): New pass.
6544         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
6545         transforming.
6546         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
6547         doing them by hand.
6548         (tree_function_versioning): Do not allocate dummy struct function.
6549         * tree-inline.h (optimize_inline_calls): Update prototype.
6550         * tree-optimize.c (execute_fixup_cfg): Export.
6551         (pass_fixup_cfg): Remove
6552         (tree_rest_of_compilation): Do not apply inlines.
6553         * tree-flow.h (execute_fixup_cfg): Declare.
6554         * Makefile.in (gt-passes.c): New.
6555         * passes.c: Include gt-passes.h
6556         (init_optimization_passes): New passes.
6557         (nnodes, order): New static vars.
6558         (do_per_function_toporder): New function.
6559         (execute_one_pass): Dump current pass here.
6560         (execute_ipa_pass_list): Don't dump current pass here.
6562 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
6564         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
6565         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
6567 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
6569         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
6570         (strong_alias): Define.
6571         (__gcc_qmul): Provide non-FMA for soft-float.
6572         (__gcc_qdiv): Same.
6573         (__gcc_qneg): New.
6574         (__gcc_qeq): New.
6575         (__gcc_qle): New.
6576         (__gcc_qge): New.
6577         (__gcc_qunord): New.
6578         (__gcc_stoq): New.
6579         (__gcc_dtoq): New.
6580         (__gcc_qtos): New.
6581         (__gcc_qtod): New.
6582         (__gcc_qtoi): New.
6583         (__gcc_qtou): New.
6584         (__gcc_itoq): New.
6585         (__gcc_utoq): New.
6586         (fmsub): New.
6587         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
6588         soft-float functions.
6589         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
6590         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
6591         about long double soft float.
6593 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
6594             Tehila Meyzels  <tehila@il.ibm.com>
6596         * tree-vectorizer.h (is_pattern_stmt_p): New.
6597         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
6598         formatting (tabs instead of spaces). Cleanup and clarify setting
6599         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
6600         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
6601         (vectorizable_type_demotion): Check that types are integral.
6602         (vectorizable_type_promotion): Likewise.
6603         (vectorizable_store): Fix typo.  Eliminate new-line at end of
6604         comments.
6606 2007-01-16  Jan Hubicka  <jh@suse.cz>
6608         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
6609         cgraph edges too.
6611 2007-01-15  Eric Christopher  <echristo@apple.com>
6613         * ifcvt.c: Include vec.h, vecprim.h.
6614         (check_cond_move_block): New argument regs.
6615         Reorganize. Add registers used to regs.
6616         (cond_move_process_if_block): Use regs set above as
6617         loop bounds.
6619 2007-01-15  Eric Christopher  <echristo@apple.com>
6621         * config/darwin.h: Update copyright.
6622         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
6623         (LINK_COMMAND_SPEC): Add -u.
6624         (LINK_SPEC): Fix umbrella for above.
6626 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
6628         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
6629         glibc CVS.
6631 2007-01-15  Tom Tromey  <tromey@redhat.com>
6633         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
6634         * doc/install.texi (Testing): Don't mention jacks.
6635         (Configuration): Document --enable-java-maintainer-mode.  Move
6636         --with-java-home to libgcj-specific section.  Document
6637         --with-ecj-jar.
6638         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
6640 2007-01-15  Jan Hubicka  <jh@suse.cz>
6642         * tree-ssa-dce.c (DCE_TODOs): New.
6643         (propagate_necessity): Return if something changed.
6644         (eliminate_unnecessary_stmts): Likewise.
6645         (perform_tree_ssa_dce): Return TODO flags when needed.
6646         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
6648 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
6650         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
6651         (fyl2x_extend<mode>xf3_i387): New insn pattern.
6652         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
6653         patterns using X87MODEF12 mode macro.  Extend operand 1
6654         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6655         (log10<mode>2): Ditto.
6656         (log2<mode>2): Ditto.
6657         (log1p<mode>2): Ditto.
6658         (logb<mode>2): Ditto.
6659         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
6660         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
6661         (*fxtractxf3_i387): Rename from *fxtractxf3.
6662         (fxtract_extend<mode>xf3_i387): New insn pattern.
6663         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
6664         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
6665         and gen_fyl2xxf3_i387().
6667 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
6669         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
6670         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
6671         get_loop_exit_edges.  Changed return type to bool.
6672         * cfgloop.h (fix_loop_placement): Declaration removed.
6674 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
6676         * param.h (MIN_VECT_LOOP_BOUND): New.
6677         * params.def (MIN_VECT_LOOP_BOUND): New.
6678         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
6679         argument - minimum threshold for number of iterations.
6680         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
6681         argument to declaration.
6682         * tree-vect-analyze.c (vect_analyze_operations): Check value of
6683         MIN_VECT_LOOP_BOUND.
6684         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
6685         slpeel_tree_peel_loop_to_edge with additional argument.
6686         (vect_do_peeling_for_alignment): Likewise.
6687         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
6689 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
6691         PR target/30413
6692         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
6693         operands of size 1.
6695 2007-01-14  Jan Hubicka  <jh@suse.cz>
6697         * tree-dfa.c (remove_referenced_var): New function.
6698         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
6699         prune referenced vars list too.
6700         * tree-flow.h (remove_referenced_var): Declare.
6702 2007-01-14  Jan Hubicka  <jh@suse.cz>
6704         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
6705         separately.
6706         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
6707         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
6708         * except.h (verify_eh_throw_table_statements): Kill prototype.
6709         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
6710         into call exrepssions.
6711         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
6712         eh trhow verifier.
6713         * tree-cfg.c: Include pointer-set.h.
6714         (verify_node_sharing): Work on pointer set.
6715         (verify_eh_throw_stmt_node): New.
6716         (verify_stmts): Use pointers sets, verify throw_stmt.
6718 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
6720         * ipa-reference.c (analyze_function): Consider also addresses taken
6721         in phi nodes.
6723 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6725         * c-typeck.c (null_pointer_constant_p): Replace use of
6726         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6727         (build_c_cast): Likewise.
6729 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6731         * tree.h (force_fit_type_double): Remove unused final argument.
6732         * c-common.c (constant_expression_warning): Replace use of
6733         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6734         (convert_and_check): Likewise.
6735         (shorten_compare): Update call to force_fit_type_double.
6736         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
6737         * convert.c (convert_to_pointer): Update call to
6738         force_fit_type_double.
6739         * fold-const.c (force_fit_type_double): Remove overflowed_const
6740         argument.
6741         (int_const_binop, fold_convert_const_int_from_int,
6742         fold_convert_const_int_from_real, fold_div_compare,
6743         fold_sign_changed_comparison, fold_unary, fold_negate_const,
6744         fold_abs_const, fold_not_const): Remove the final argument from
6745         calls to force_fit_type_double.
6747 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6749         * configure.ac: Set insn to "nop" for spu-*-* also.
6750         * configure: Regenerate.
6752 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
6754         * builtins.def : Add BUILT_IN_FREE.
6756 2007-01-12  Jan Hubicka  <jh@suse.cz>
6758         PR tree-optimization/30443
6759         * tree-inline.c (tree_function_versioning): Do not optimize when
6760         cloning for inlining.
6762 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
6764         * doc/loop.texi: Document recording of loop exits.
6765         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
6766         (update_single_exits_after_duplication,
6767         update_single_exit_for_duplicated_loop,
6768         update_single_exit_for_duplicated_loops): Removed.
6769         (duplicate_loop_to_header_edge): Do not call
6770         update_single_exits_after_duplication and
6771         update_single_exit_for_duplicated_loops.
6772         (loop_version): Do not update single_exit information.
6773         (fix_loop_structure): Use record_loop_exits instead of
6774         mark_single_exit_loops.
6775         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
6776         the lists of loop exits.
6777         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
6778         split_edge, merge_blocks): Update the lists of loop exits.
6779         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
6780         loop_optimizer_init.
6781         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
6782         of mark_single_exit_loops.
6783         (loop_optimizer_finalize): Call release_recorded_exits.
6784         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
6785         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
6786         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
6787         update single exit information.
6788         * lambda-code.c (perfect_nestify): Ditto.
6789         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
6790         (mark_single_exit_loops): Removed.
6791         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
6792         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
6793         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
6794         functions.
6795         (get_loop_exit_edges, single_exit): Use recorded exit lists.
6796         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
6797         (verify_loop_structure): Verify consistency of the exit lists.
6798         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
6799         (set_single_exit): Removed.
6800         * cfgloop.h (struct loop_exit): New function.
6801         (struct loop): single_exit_ field replaced by exits field.
6802         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
6803         (struct loops): Added exits hash.
6804         (mark_single_exit_loops, set_single_exit): Declaration removed.
6805         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
6807 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6809         * doc/invoke.texi: Avoid use of @headitem.
6811 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6813         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
6815 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6817         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
6818         list of targets.
6820 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6821             Richard Sandiford  <richard@codesourcery.com>
6823         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
6824         * config/m68k/m68k.opt: Resort options.
6825         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
6827 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6828             Richard Sandiford  <richard@codesourcery.com>
6830         * doc/invoke.texi: Document the macros that are defined by
6831         m68k's -mtune and -mhard-float options.
6832         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
6833         (m68k_cpp_cpu_family): Likewise.
6834         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
6835         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
6836         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
6837         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
6838         (m68k_cpp_cpu_family): Likewise.
6840 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6842         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
6843         macros besides mc68000 as tuning macros.  Use a switch statement
6844         to set them and mcpu32.
6846 2007-01-12  Julian Brown  <julian@codesourcery.com>
6848         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
6849         (TARGET_68040_ONLY): Rename to...
6850         (TARGET_68040): ...this.
6851         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
6852         * config/m68k/m68k.md: Likewise.
6854 2007-01-12  Julian Brown  <julian@codesourcery.com>
6855             Nathan Sidwell  <nathan@codesourcery.com>
6856             Richard Sandiford  <richard@codesourcery.com>
6858         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
6859         the -mcpu= argument associated with the --with-cpu setting.
6860         Define M68K_DEFAULT_TUNE to the default -mtune= option,
6861         if different from the one implied by the -mcpu setting.
6862         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
6863         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
6864         * doc/invoke.texi: Mention ColdFire in the introduction to the
6865         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
6866         -mno-div and -mhard-float options.  Make -m68881 a synonym for
6867         -mhard-float.  Document the previously-undocumented -m5206e,
6868         -m528x, -m5307 and -m5407 options.  Tweak the existing option
6869         documentation for consistency.
6870         * doc/install.texi: Mention new --with-cpu arguments.
6871         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
6872         default CPU if neither -mcpu nor -march are specified.
6873         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
6874         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
6875         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
6876         using m68k_tune to decide between families that implement the
6877         same ISA.  Use m68k_tune to set __mcfv4e__.
6878         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
6879         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
6880         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
6881         (FL_ISA_C, FL_ISA_MMU): New macros.
6882         (MASK_COLDFIRE): Delete.
6883         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
6884         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
6885         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
6886         (TARGET_HARD_FLOAT): Do not define here.
6887         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
6888         (TUNE_68000): New macro.
6889         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
6890         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
6891         (TUNE_CFV2): Redefine in terms of m68k_tune.
6892         (uarch_type, target_device, fpu_type): New enums.
6893         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
6894         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
6895         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
6896         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
6897         (FL_FOR_isa_c): New macros.
6898         (m68k_isa): New enum.
6899         (m68k_target_selection): New structure.
6900         (all_devices, all_isas, all_microarchs): New tables.
6901         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
6902         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
6903         (MASK_ALL_CPU_BITS): Delete.
6904         (m68k_find_selection): New function.
6905         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
6906         Map the legacy target options to a combination of the new ones.
6907         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
6908         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
6909         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
6910         settings.
6911         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
6912         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
6913         properties.
6914         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
6915         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
6916         * config/m68k/m68k-devices.def: New file.
6918 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6919             Nathan Sidwell  <nathan@codesourcery.com>
6921         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
6922         (SUBTARGET_EXTRA_SPECS): New macros.
6923         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
6924         use %(asm_cpu_spec) instead.
6925         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
6926         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
6927         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
6928         (EXTRA_SPECS): Rename to...
6929         (SUBTARGET_EXTRA_SPECS): ...this.
6931 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6932             Richard Sandiford  <richard@codesourcery.com>
6933             Julian Brown  <julian@codesourcery.com>
6935         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6936         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
6937         to the configuration's default CPU.
6938         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
6939         Remove default masks.
6940         (m680[012]0-*-*): Set the default with_cpu to the first part of
6941         the target name.
6942         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
6943         (m68k*-*-linux): Extend the --with-cpu handling to...
6944         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
6945         and m68010.  Don't set target_cpu_default2.
6946         * doc/install.texi: Document --with-cpu for m68k.
6947         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
6948         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
6949         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
6950         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
6951         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
6952         (ASM_SPEC): Remove use of %(asm_cpu_default).
6953         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
6954         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
6955         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
6956         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
6957         __HAVE_FPU__ if TARGET_HARD_FLOAT.
6958         (TARGET_DEFAULT): Delete.
6959         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
6960         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
6961         (CPP_CPU_SPEC): Delete.
6962         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
6963         the appropriate string.
6964         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
6965         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
6966         (ASM_SPEC): Don't use %(asm_default_spec).
6967         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6968         TARGET_DEFAULT and add MASK_68881.
6969         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
6971 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6973         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
6974         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
6975         MASK_68010 alongside MASK_68020.
6976         * doc/invoke.texi: Document -m68010.
6977         * config/m68k/m68k.opt (m68010): New.
6978         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
6979         if TUNE_68010.
6980         (TUNE_68010): New macro.
6981         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
6982         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
6983         (M68K_CPU_m68332): Add MASK_68010.
6984         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
6985         fallback definition.
6986         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
6987         defines.
6988         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
6989         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
6990         to all entries that use MASK_68020.
6991         (output_move_simode_const, output_move_himode, output_move_qimode)
6992         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
6993         instead of TARGET_68020 to select clr behavior.  Remove comment
6994         about there being no TARGET_68010.
6995         * config/m68k/m68k.md: Likewise throughout.
6997 2007-01-12  Julian Brown  <julian@codesourcery.com>
6999         * config/m68k/m68k.h (TARGET_ISAB): New macro.
7000         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7001         * config/m68k/m68k.md: Likewise.
7003 2007-01-12  Julian Brown  <julian@codesourcery.com>
7005         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7006         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7008 2007-01-12  Julian Brown  <julian@codesourcery.com>
7010         * config/m68k/m68k.h (TUNE_68040_60): New macro.
7011         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7012         * config/m68k/m68k.md: Likewise.
7014 2007-01-12  Julian Brown  <julian@codesourcery.com>
7015             Richard Sandiford  <richard@codesourcery.com>
7017         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7018         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7019         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7020         TARGET_CPU32.
7021         (TARGET_CPU32): Rename to...
7022         (TUNE_CPU32): ...this.
7023         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7024         (TUNE_CFV2): New macros.
7025         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7026         remove conditions that are implied by TARGET_68020.
7027         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7028         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7029         (m68k_output_function_epilogue): Likewise.
7030         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
7031         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
7032         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7033         non-68000 timings.  Refactor multiplication and division costs.
7034         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7035         TUNE_CPU32 instead of TARGET_CPU32.
7036         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7037         and TUNE_68060 instead of TARGET_68060.
7038         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7039         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7040         TARGET_CPU32.
7041         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7042         && !TARGET_COLDFIRE" to choose between moveq and clr.
7043         Likewise in the unnamed movsf pattern.
7044         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7045         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
7046         ashiftrt pattern.
7048 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7050         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7051         of tabbing before backslashes.
7053 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7055         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7056         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7057         (ASM_OUTPUT_INTERNAL_LABEL): Define.
7059 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7061         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7062         find_interesting_uses_cond.
7063         (find_interesting_uses_cond): Use extract_cond_operands.
7064         (rewrite_use_compare): Use extract_cond_operands and
7065         force_gimple_operand_bsi.  Do not call update_stmt.
7066         (determine_use_iv_cost_condition): Use extract_cond_operands.
7067         Return cheaper of using original bound and changing the exit bound.
7069 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7071         PR tree-optimization/29516
7072         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7073         most_expensive_mult_to_index, addr_to_parts,
7074         create_mem_ref, maybe_fold_tmr): Make the type of
7075         fields of TARGET_MEM_REF sizetype.
7076         (move_fixed_address_to_symbol, move_pointer_to_base):
7077         New functions.
7078         * tree.def (TARGET_MEM_REF): Add comment on types of
7079         the operands.
7081 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
7083         * c-common.c (vector_types_convertible_p): Treat opaque types as
7084         always convertible if they have the same size, but not otherwise.
7086 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
7088         * ifcvt.c (struct noce_if_info): Add comments to the fields.
7089         Remove the b_unconditional field.
7090         (noce_try_sign_mask): Do not look at b_unconditional.
7091         (noce_process_if_block): Do not use merge_if_blocks.  Update
7092         the CFG here.  Do not set b_unconditional.
7093         (cond_move_process_if_block): Likewise.
7094         (find_cond_trap): Likewise.
7095         (check_cond_move_block): Require simple jump insns at the end
7096         of the basic block.
7098 2007-01-11  Jan Hubicka  <jh@suse.cz>
7100         PR tree-optimization/1046
7101         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7102         when alias info is not ready.
7103         (pass_tail_recursion): Do not require aliasing.
7104         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7105         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7106         * tree-ssa-copy.c (pass_copy_prop): Likewise.
7107         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7108         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7109         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7110         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7111         before inlining.
7112         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7113         When aliasing is not build, mark statement as volatile.
7115 2007-01-11  Tom Tromey  <tromey@redhat.com>
7117         PR preprocessor/15185, PR preprocessor/20989:
7118         * doc/cppopts.texi <-MT>: Update description of algorithm for
7119         computing default target.
7120         <-M, -MD>: Reword "basename" text.
7122 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7124         * builtins.c (expand_builtin_pow, expand_builtin_powi,
7125         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7126         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7127         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7128         fold_builtin_bswap, real_constp, fold_builtin_pow,
7129         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7130         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7131         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7132         * convert.c (convert_to_pointer): Likewise.
7133         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7134         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7135         const_binop, fold_convert_const_int_from_int,
7136         fold_convert_const_int_from_real,
7137         fold_convert_const_real_from_real, sign_bit_p,
7138         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7139         fold_sign_changed_comparison, fold_unary, fold_comparison,
7140         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7141         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7142         * print-tree.c (print_node_brief, print_node): Likewise.
7143         * stor-layout.c (place_field, layout_type): Likewise.
7144         * tree-chrec.c (keep_cast): Likewise.
7145         * tree.c (build_vector, build_real, build_real_from_int_cst,
7146         build_complex): Likewise.
7148 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7150         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
7151         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7153 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
7155         * configure.ac (strict1_warn): Rename to strict_warn.
7156         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7157         cc_set_by_configure, quoted_cc_set_by_configure,
7158         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7159         all_boot_languages, all_stagestuff): Remove.
7160         (target_list): Remove bootstrap targets.
7161         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7162         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7163         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7164         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7165         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7166         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7167         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7168         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7169         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7170         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7171         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7172         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7173         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7174         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7175         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7176         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7177         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7178         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7179         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7180         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7181         (mostlyclean): Adjust.
7182         (clean, distclean): Don't mention bootstrap stuff.
7183         * configure: Regenerate.
7184         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7185         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7186         treelang/config-lang.in (stagestuff): Remove.
7187         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7188         stageprofile, stagefeedback, stagestuff): Remove mention.
7190 2007-01-11  Nick Clifton  <nickc@redhat.com>
7192         * config/mcore/predicates.md (mcore_general_movesrc_operand):
7193         Accept CONSTs.
7194         (mcore_general_movdst_operand): Do not accept CONST_INTs.
7195         (mcore_arith_K_S_operand): Run the test for the S constraint not
7196         the test for the M constraint.
7197         (mcore_addsub_operand): Do not accept integer values that are
7198         larger than 32 bits.
7199         * config/mcore/mcore.md: Remove unused constraints from split.
7200         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7201         (addsi3): Likewise.
7202         (allocate_stack): Likewise.
7203         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7204         operands to 32 bits.
7205         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7206         INTVAL.
7207         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7208         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7209         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7210         mcore_output_bclri, mcore_output_andn, output_inline_const,
7211         mcore_output_move, mcore_output_movedouble): Likewise.
7212         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7213         (output_inline_const): Likewise.
7214         (output_inline_const): Fix format strings used in sprintf
7215         statements.
7216         * config/mcore/mcore-protos.h: Update prototypes for changed
7217         functions in mcore.c.
7218         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7219         HOST_WIDE_INT and not int.
7220         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7221         CONST_OK_FOR_N): Likewise.
7222         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7223         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7224         an INTVAL.
7226 2007-01-10  Jan Hubicka  <jh@suse.cz>
7228         * tree-vrp.c (remove_range_assertions): Release defs.
7229         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7230         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7232 2007-01-10  Paul Brook  <paul@codesourcery.com>
7234         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7235         * config/arm/arm.md (mulsi3subsi): New insn.
7237 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
7239         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7240         (tree_transform_and_unroll_loop): New.
7241         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7242         Declare.
7244 2007-01-10  Robert Kennedy <jimbob@google.com>
7246         * fold-const.c (fold_comparison): Fold comparisons like (x *
7247         1000 < 0) to (x < 0).
7249 2007-01-10  Ian Lance Taylor  <iant@google.com>
7251         * tree-pretty-print.c (dump_generic_node): Print parentheses when
7252         operands have the same priority.
7254 2007-01-10  Tom Tromey  <tromey@redhat.com>
7256         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7257         (fold_binary): Likewise.
7258         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7259         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7260         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7261         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7262         * langhooks.h (struct lang_hooks): Removed field
7263         'can_use_bit_fields_p'.
7265 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
7267         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7269 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
7271         * function.c (get_last_funcdef_no): New function.
7272         * function.h (get_last_funcdef_no): Declare.
7273         * tree-inline.c (initialize_cfun): Add initialization.
7274         (tree_function_versioning): Cleanup.
7276 2007-01-10  Jan Hubicka  <jh@suse.cz>
7278         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7279         PHIs.
7281 2007-01-10  Sa Liu  <saliu@de.ibm.com>
7282             Ben Elliston  <bje@au.ibm.com>
7284         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7285         for SAVE_NONLOCAL and Pmode for any other save level.
7286         * spu-protos.h (spu_restore_stack_block): Declare.
7287         * spu.md (save_stack_block): Remove.
7288         (restore_stack_block): Call spu_restore_stack_block.
7289         * spu.c (spu_restore_stack_block): New function.
7290         (spu_expand_epilogue): Remove old comment.
7292 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
7294         PR tree-optimization/30322
7295         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7296         (cand_value_at): Return the value as aff_tree.
7297         (may_eliminate_iv): Convert the bound from aff_tree to tree.
7298         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7299         aff_combination_mult): New functions.
7300         (aff_combination_add): Use aff_combination_add_cst.
7301         (aff_combination_convert): Allow conversions to a wider type.
7302         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7303         * tree-affine.h (aff_combination_mult): Declare.
7305 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
7307         * doc/tm.texi: Update documentation to reflect reality of exec
7308         and start file search behaviours. Update copyright year.
7309         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7310         header file directories.
7312 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
7314         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7315         (*cosxf2): Rename to cosxf2_i387.
7316         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
7317         using X87MODEF12 mode macro. Rename patterns to
7318         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
7319         for SSE math.
7320         (*cosdf2, *cossf2): Ditto.
7321         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
7322         to match extended input operands.
7323         (sincos<mode>3): New expander.
7324         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7325         insn patterns and corresponding splitters.
7327 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
7329         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7330         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7332 2007-01-09  Nicolas Pitre  <nico@cam.org>
7334         PR target/30173
7335         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7337 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
7339         * target.h (struct gcc_target): New field library_rtti_comdat.
7340         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7341         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7342         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7343         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7345 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
7347         * doc/invoke.texi (Optimize Options): Correct description of -O0.
7349 2007-01-08  Richard Guenther  <rguenther@suse.de>
7351         * tree.h (force_fit_type_double): Export.
7352         (force_fit_type): Remove.
7353         * fold-const.c (force_fit_type_double): New function.
7354         (force_fit_type): Remove.
7355         (int_const_binop): Use it.
7356         (fold_convert_const_int_from_int): Likewise.
7357         (fold_convert_const_int_from_real): Likewise.
7358         (fold_div_compare): Likewise.
7359         (fold_sign_changed_comparison): Likewise.
7360         (fold_unary): Likewise.
7361         (fold_negate_const): Likewise.
7362         (fold_abs_const): Likewise.
7363         (fold_not_const): Likewise.
7364         * c-common.c (shorten_compare): Use force_fit_type_double.
7365         * convert.c (convert_to_pointer): Likewise.
7367 2007-01-08  Richard Guenther  <rguenther@suse.de>
7369         * tree.h (build_int_cst_wide_type): Export.
7370         * tree.c (build_int_cst_wide_type): New function.
7371         (build_int_cst_wide): Fix comment.
7372         * builtins.c (fold_builtin_object_size): Use build_int_cst
7373         to build -1 or 0 of the correct type.  Use fit_double_type
7374         to check for overflow.
7375         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7376         to build the mask.
7377         (decode_field_reference): Likewise.
7378         (all_ones_mask_p): Likewise.
7379         (native_interpret_int): Use build_int_cst_wide_type.
7380         (fold_binary): Use build_int_cst_type to build an all-ones
7381         value.
7382         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7384 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
7386         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7388 2007-01-09  Ben Elliston  <bje@au.ibm.com>
7390         * genautomata.c (STATS_OPTION): New option.
7391         (stats_flag): New flag.
7392         (gen_automata_option): Handle it.
7393         (initiate_automaton_gen): Ditto.
7394         (write_automata): Output statistics only if stats_flag is
7395         set. Likewise, output time statistics only if time_flag is set.
7396         * doc/md.texi (Processor pipeline description): Document new flag.
7398 2007-01-08  Richard Guenther  <rguenther@suse.de>
7400         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7401         * tree.c (build_int_cst_type): Likewise.
7402         (size_in_bytes): Don't call force_fit_type on the result.
7403         (int_fits_type_p): Use fit_double_type.
7404         * fold-const.c (fit_double_type): New function.
7405         (force_fit_type): Use it.
7406         * tree.h (fit_double_type): Export.
7408 2007-01-08  Jan Hubicka  <jh@suse.cz>
7410         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7411         * ipa.c (function_and_variable_visibility): Fix return type.
7413 2007-01-08  Richard Guenther  <rguenther@suse.de>
7415         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7416         of offset to build the index.
7417         * tree-pretty-print.c (dump_generic_node): Don't build negated
7418         const just for printing.
7419         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7420         * builtins.c (fold_builtin_int_roundingfn): Check if result
7421         fits the type by using force_fit_type and comparing the result.
7422         * predict.c (predict_loops): Use compare_tree_int for comparison.
7423         * tree.c (build_int_cst): Fall back to integer_type_node for
7424         NULL_TREE type.
7425         (build_int_cst_wide): Assert type is non-null.
7427 2007-01-08  Roberto Costa  <roberto.costa@st.com>
7429         * tree-vrp.c (extract_range_from_cond_expr): New.
7430         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7431         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7432         as expressions.
7433         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7434         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7435         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7436         used as expressions.
7437         * tree-object-size.c (cond_expr_object_size): New.
7438         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7440 2007-01-08  Jan Hubicka  <jh@suse.cz>
7442         * tree-ssa-forwprop.c (forward_propagate_into_cond,
7443         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7444         statement.
7446 2007-01-08  Richard Guenther  <rguenther@suse.de>
7448         PR tree-optimization/23603
7449         * tree-vrp.c (set_value_range_to_truthvalue): New function.
7450         (extract_range_from_binary): Fall back to truthvalue instead of
7451         varying for TRUTH_*_EXPR.
7452         (extract_range_from_comparison): Fall back to truthvalue instead of
7453         varying.
7454         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7455         if all visited PHI values were constant.
7457 2007-01-08  Jan Hubicka  <jh@suse.cz>
7459         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7460         (cgraph_analyze_function): break out from ...
7461         (cgraph_finalize_compilation_unit): ... here.
7462         (cgraph_expand_function): Remove forgoten commented out line.
7463         (cgraph_optimize): Analyze functions.
7465 2007-01-08  Jan Hubicka  <jh@suse.cz>
7467         * tree-pas.h (TODO_remove_function): New flag.
7468         (TODO_update*): Renumber.
7469         (pass_ipa_increase_alignment,
7470         pass_ipa_function_and_variable_visibility): New passes.
7471         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
7472         (cgraph_function_and_variable_visibility): Move to ipa.c
7473         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
7474         cgraph_increase_alignment.
7475         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
7476         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
7477         calling tree-inline.
7478         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
7479         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
7480         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
7481         (gate_increase_alignment): New function.
7482         (pass_ipa_increase_alignment): New pass.
7483         * ipa.c: Inline tree-pass.h and timevar.h
7484         (function_and_variable_visibility): Move here from cgraphunit.c
7485         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
7486         * passes.c (init_optimization_passes): Add the two new passes.
7487         (execute_todo): Handle cgraph_remove_functions.
7489 2007-01-08  Nick Clifton  <nickc@redhat.com>
7491         * config/frv/predicates.md (reg_or_0_operand): Accept
7492         CONST_DOUBLEs.
7494 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
7496         * config/bfin/rtems.h, config/bfin/t-rtems: New.
7497         * config.gcc: Add bfin*-rtems*.
7499 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
7501         * c.opt: Add -flax-vector-conversions.
7502         * c-typeck.c (convert_for_assignment): Pass flag to
7503         vector_types_convertible_p to allow emission of note.
7504         (digest_init): Likewise.
7505         * c-opts.c: Handle -flax-vector-conversions.
7506         * c-common.c (flag_lax_vector_conversions): New.
7507         (vector_types_convertible_p): Unless -flax-vector conversions
7508         has been passed, disallow conversions between vectors with
7509         differing numbers of subparts and/or element types.  If such
7510         a conversion is disallowed, possibly emit a note on the first
7511         occasion only to inform the user of -flax-vector-conversions.
7512         The new last argument specifies this.
7513         * c-common.h (flag_lax_vector_conversions): New.
7514         (vector_types_convertible_p): Add extra argument.
7515         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
7516         char_type_node for V*QI type vectors.
7517         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
7518         Update to satisfy new typechecking rules.
7519         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
7520         C and C++ variants.
7521         * doc/invoke.texi (C Dialect Options): Document
7522         -flax-vector-conversions.
7524 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
7526         PR tree-optimization/29877
7527         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
7528         a register variable on the RHS to not be replaceable.
7530 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
7531         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
7532         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
7533         const_simm15, const_pow2, const_npow2): Added.
7534         * config/score/misc.md (insv, extv, extzv, movmemsi,
7535         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
7536         * config/score/score.c (score_address_cost, score_select_cc_mode):
7537         Added.
7538         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
7539         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
7540         Update score_print_operand.
7541         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
7542         Adjust register allocate order and update some macro define.
7543         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
7544         mdx_block_move_straight, mdx_block_move_loop_head,
7545         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
7546         mdx_block_move): Added.
7547         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
7548         mdp_limm): Updated and fix some bug and typo.
7549         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
7550         (movsf, movdf, doloop_end): Added.
7552 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
7554         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
7555         config/arm/thumb2.md: Fix comment typos.
7556         * doc/extend.texi: Fix a typo.
7558 2007-01-07  Eric Christopher  <echristo@apple.com>
7560         * configure.ac: Check for __stack_chk_fail for darwin.
7561         * configure: Regenerate.
7563 2007-01-07  Richard Guenther  <rguenther@suse.de>
7565         * tree-vrp.c (extract_range_from_assert): CSE calls to
7566         compare_values where possible.
7567         (extract_range_from_unary_expr): Likewise.
7569 2007-01-07  Anatoly Sokolov <aesok@post.ru>
7571         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
7572         * config/avr/avr.c (call_insn_operand): Delete function.
7573         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
7574         instead of register number. Use predicates.
7575         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
7576         call_insn_operand): Add.
7578 2007-01-06  Jan Hubicka  <jh@suse.cz>
7580         * tree-pass.h (pass_build_cgraph_edges): Declare.
7581         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
7582         (visited_nodes): Remove.
7583         (cgraph_create_edges): Move to cgraphbuild.c; rename to
7584         build_cgrpah_edges; make visited_nodes local.
7585         (cgraph_process_new_functions): DO not call initialize_inline_failed.
7586         (record_references_in_initializer): Move to cgraphbuild.c
7587         (initialize_inline_failed, rebuild_cgraph_edges,
7588         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
7589         (verify_cgraph_node): Make visited_nodes local.
7590         (cgraph_analyze_function): Do not call cgraph_create_edges and
7591         initialize_inline_failed.
7592         (cgraph_expand_function): Do not call cgraph_lower_function;
7593         assert that function is already lowered.
7594         * Makefile.in (cgraphbuild.o): New.
7595         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
7596         at the end of lowering passes.
7598 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
7600         * ifcvt.c (cond_move_convert_if_block): New function, code
7601         factored out from...
7602         (cond_move_process_if_block): ...here.  Call the new function
7603         on the THEN and ELSE blocks.
7604         (merge_if_block): Do not copy global_live_at_end, merge_blocks
7605         already takes care of this.
7607 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7609         PR c/19978
7610         * tree.h (TREE_OVERFLOW_P): New.
7611         * c-typeck.c (parser_build_unary_op): Warn only if result
7612         overflowed and operands did not.
7613         (parser_build_binary_op): Likewise.
7614         (convert_for_assignment): Remove redundant overflow_warning.
7615         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
7617 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7619         * c-typeck.c (store_init_value): Split over two lines to follow
7620         the GNU coding style.
7622 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
7624         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
7625         __GXX_EXPERIMENTAL_CXX0X__.
7626         * doc/cpp.texi: Same.
7628 2007-01-05  Richard Guenther  <rguenther@suse.de>
7630         PR middle-end/27826
7631         * tree.c (get_narrower): Do not construct COMPONENT_REFs
7632         with mismatched types.  Instead explicitly build a
7633         conversion NOP_EXPR.
7635 2007-01-05  Ian Lance Taylor  <iant@google.com>
7637         * c-common.c (decl_with_nonnull_addr_p): New function.
7638         (c_common_truthvalue_conversion): Call it.
7639         * c-typeck.c (build_binary_op): Likewise.
7640         * c-common.h (decl_with_nonnull_addr_p): Declare.
7642 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
7644         PR c/30360
7645         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
7646         denom against 0.0.
7648 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
7650         * doc/install.texi (Final install): Document the fact that
7651         the GNAT runtime should not be stripped.
7653 2007-01-04  Jan Hubicka  <jh@suse.cz>
7655         * tree-inline.c (fold_marked_statements): Update operand caches
7656         and EH after folding
7658 2007-01-04  Ian Lance Taylor  <iant@google.com>
7660         * c-common.c (check_function_nonnull): Whitespace fix.
7662 2007-01-04  Jan Hubicka  <jh@suse.cz>
7664         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
7665         comitted older version of patch.
7666         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
7667         function, celanup cfg and collect garbage.
7669 2007-01-04  Mike Stump  <mrs@apple.com>
7671         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
7672         (clean): Likewise.
7674 2007-01-04  Eric Christopher  <echristo@apple.com>
7676         * libgcc2.c (__bswapsi2): Use SItype.
7677         (__bswapdi2): Use DItype.
7678         * libgcc2.h: Update for above.
7680 2007-01-04  Paul Brook  <paul@codesourcery.com>
7682         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
7683         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
7684         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
7685         umulsidi3, umulsidi3adddi, smulsi3_highpart,
7686         umulsi3_highpart): Make conditional on !arm_arch6.
7687         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
7688         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
7689         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
7690         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
7691         umulsi3_highpart_v6): New insns.
7693 2007-01-04  Roger Sayle  <roger@eyesopen.com>
7695         * fold-const.c (fold_convert): When casting an expression to void,
7696         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
7697         have a type.  Instead of attempting to build a NOP_EXPR, return
7698         these "special" trees directly.
7700 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
7702         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
7703         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
7704         rs6000_cost->fp not 0 as adjustment for outer NEG.
7706 2007-01-04  Jan Hubicka  <jh@suse.cz>
7708         * cgraph.c (cgraph_release_function_body): New function.
7709         (cgraph_remove_node): Use it.
7710         * cgraph.h (cgraph_release_function_body): Declare.
7711         * cgraphunit.c (cgraph_expand_function): Use it.
7712         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
7713         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
7714         is initialized and while compilation of other function is running.
7715         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
7716         statement CFG annotations from here to ...
7717         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
7719 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
7721         * cfgloop.h (enum li_flags): Make the constants powers of two.
7723 2007-01-04  Jan Hubicka  <jh@suse.cz>
7725         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
7726         set.
7727         (fold_marked_statements): New function.
7728         (optimize_inline_calls, tree_function_versioning): Fold new statements.
7729         * tree-inline.h (copy_body_data): Add statements_to_fold.
7731 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
7733         * config.gcc: Mention libgcc/config.host.
7734         * Makefile.in: Update comments mentioning libgcc.
7735         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
7736         (all.cross, start.encap, rest.encap, rest.cross): Update
7737         dependencies for libgcc move.
7738         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
7739         (clean-target, clean-target-libgcc): Delete.
7740         (srcdirify, GCC_EXTRA_PARTS): New macros.
7741         (libgcc-support, libgcc.mvars): New rules.
7742         (distclean): Remove mention of mklibgcc.
7743         (install): Don't reference INSTALL_LIBGCC.
7744         (install-common): Don't reference EXTRA_PARTS.
7745         (install-libgcc, install-multilib): Delete rules.
7746         * mklibgcc.in: Delete file.
7747         * doc/configfiles.texi: Don't mention mklibgcc.
7749         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
7750         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
7751         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
7752         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
7753         (mklibgcc, ldblspecs): Likewise.
7755         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
7756         (posixpre.def): Use $(T).
7757         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
7758         (SHLIB_SRC, SHLIB_INSTALL): Delete.
7759         (SHLIB_LINK): Make dummy.
7760         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
7762         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
7764         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
7765         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
7766         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
7767         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
7769         * configure.ac (all_outputs): Remove mklibgcc.
7770         * configure: Regenerated.
7772 2007-01-03  Josh Conner  <jconner@apple.com>
7774         PR middle-end/29683
7775         * calls.c (compute_argument_addresses): Set stack and stack_slot
7776         for partial args, too.
7777         (store_one_arg): Use locate.size.constant for the size when
7778         generating a save_area.
7780 2007-01-03  Robert Kennedy <jimbob@google.com>
7782         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
7783         whose definitions are deleted due to basic block merging.
7785 2007-01-03  Paul Brook  <paul@codesourcery.com>
7787         PR target/16634
7788         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
7789         functions.
7790         (use_return_insn): Return 0 for Thumb interrupt functions.
7791         (print_multi_reg): Add rfe argument for IRQ returns.
7792         (arm_output_epilogue): Pop interrupt return address directly into PC.
7793         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
7795 2007-01-03  Paul Brook  <paul@codesourcery.com>
7797         Merge from sourcerygxx-4_1.
7798         * config/arm/thumb2.md: New file.
7799         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
7800         Thumb-2.
7801         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
7802         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7803         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
7804         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
7805         tables.
7806         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7807         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
7808         comptibility.
7809         * config/arm/ieee754-sf.S: Ditto.
7810         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
7811         (thumb1_base_register_rtx_p): ... to this.
7812         (thumb_index_register_rtx_p): Rename...
7813         (thumb1_index_register_rtx_p): ... to this.
7814         (thumb_output_function_prologue): Rename...
7815         (thumb1_output_function_prologue): ... to this.
7816         (thumb_legitimate_address_p): Rename...
7817         (thumb1_legitimate_address_p): ... to this.
7818         (thumb_rtx_costs): Rename...
7819         (thumb1_rtx_costs): ... to this.
7820         (thumb_compute_save_reg_mask): Rename...
7821         (thumb1_compute_save_reg_mask): ... to this.
7822         (thumb_final_prescan_insn): Rename...
7823         (thumb1_final_prescan_insn): ... to this.
7824         (thumb_expand_epilogue): Rename...
7825         (thumb1_expand_epilogue): ... to this.
7826         (arm_unwind_emit_stm): Rename...
7827         (arm_unwind_emit_sequence): ... to this.
7828         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
7829         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
7830         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
7831         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
7832         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
7833         thumb2_output_casesi): New functions.
7834         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
7835         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
7836         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
7837         THUMB2_WORK_REGS): Define.
7838         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
7839         arm_condexec_mask, arm_condexec_masklen)): New variables.
7840         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
7841         (arm_override_options): Check new CPU capabilities.
7842         Set new architecture flag variables.
7843         (arm_isr_value): Handle v7m interrupt functions.
7844         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
7845         Thumb-2.
7846         (const_ok_for_arm): Handle Thumb-2 constants.
7847         (arm_gen_constant): Ditto.  Use movw when available.
7848         (arm_function_ok_for_sibcall): Return false for v7m interrupt
7849         functions.
7850         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
7851         (thumb_find_work_register, arm_load_pic_register,
7852         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
7853         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
7854         print_multi_reg, output_mov_long_double_fpa_from_arm,
7855         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
7856         output_mov_double_fpa_from_arm, output_move_double,
7857         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
7858         output_return_instruction, arm_output_function_prologue,
7859         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
7860         arm_output_mi_thunk, thumb_set_return_address): Ditto.
7861         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
7862         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
7863         (arithmetic_instr, shift_op): Use arm_shift_nmem.
7864         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
7865         '!' and 'L'.
7866         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
7867         (thumb_expand_prologue): Use thumb_set_frame_pointer.
7868         (arm_file_start): Output directive for unified syntax.
7869         (arm_unwind_emit_set): Handle stack alignment instruction.
7870         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
7871         Add v6t2, v7, v7a, v7r and v7m.
7872         (RETLDM): Add Thumb-2 code.
7873         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
7874         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
7875         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
7876         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
7877         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
7878         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
7879         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
7880         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
7881         ADJUST_INSN_LENGTH): Define.
7882         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
7883         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
7884         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
7885         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
7886         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
7887         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
7888         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
7889         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
7890         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
7891         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
7892         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
7893         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
7894         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
7895         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
7896         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
7897         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
7898         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
7899         cortex-m3.
7900         * config/arm/arm-tune.md: Regenerate.
7901         * config/arm/arm-protos.h: Update prototypes.
7902         * config/arm/vfp.md: Enable patterns for Thumb-2.
7903         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
7904         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
7905         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
7906         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
7907         * config/arm/libunwind.S: Add Thumb-2 code.
7908         * config/arm/constraints.md: Update include Thumb-2.
7909         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
7910         * config/arm/ieee754-df.S: Ditto.
7911         * config/arm/bpabi.S: Ditto.
7912         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
7913         * config/arm/predicates.md (low_register_operand,
7914         low_reg_or_int_operand, thumb_16bit_operator): New.
7915         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
7916         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
7917         * config/arm/t-arm-elf: Add armv7 multilib.
7918         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
7919         Include thumb2.md.
7920         (UNSPEC_STACK_ALIGN, ce_count): New.
7921         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
7922         arm_zero_extendsidi2, arm_zero_extendqidi2): New
7923         insns/expanders.
7924         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
7925         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
7926         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
7927         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
7928         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
7929         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
7930         insns.
7931         * doc/extend.texi: Document ARMv7-M interrupt functions.
7932         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
7934 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
7936         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
7937         (struct _Unwind_Context): Rename args_size to flags, remove
7938         signal_frame field, add a new args_size field and version field.
7939         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
7940         _Unwind_IsExtendedContext): New inline functions.
7941         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7942         Assume by_value array is only present if _Unwind_IsExtendedContext.
7943         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
7944         _Unwind_IsSignalFrame.
7945         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
7946         (uw_update_context_1): Use _Unwind_SetSignalFrame.
7947         (uw_init_context_1): Initialize context->flags to
7948         EXTENDED_CONTEXT_BIT.
7949         * config/rs6000/linux-unwind.h (frob_update_context): Use
7950         _Unwind_SetSignalFrame.
7952 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7954         PR middle-end/30353
7955         * gimplify.c (gimplify_modify_expr_complex_part): Move below
7956         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
7957         the value.
7959 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
7961         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
7962         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
7963         RET, AT_SP): Remove.
7964         * config/i386/i386.md (*sse_prologue_save_insn): Use return
7965         instead of RET.
7967         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7968         * cfgbuild.c (find_basic_blocks): Likewise.
7969         * cfgrtl.c (rtl_create_basic_block): Likewise.
7970         * function.c (temp_slots_at_level): Likewise.
7971         * reg-stack.c (stack_regs_mentioned): Likewise.
7972         * regclass.c (allocate_reg_info): Likewise.
7973         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7974         set_bb_for_stmt, move_block_to_fn): Likewise.
7975         * tree-complex.c (tree_lower_complex): Likewise.
7976         * vec.h (VEC_safe_grow_cleared): New.
7978         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
7980 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
7982         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
7983         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
7984         to loop_version.
7985         * cfgloopmanip.c (scale_loop_frequencies): Export.
7986         (loopify): Scale the frequencies by prescribed coefficients.
7987         (set_zero_probability): New function.
7988         (duplicate_loop_to_header_edge): Improve updating of frequencies.
7989         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
7990         and frequencies according to arguments.
7991         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
7992         correctly.
7993         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
7994         * modulo-sched.c (sms_schedule): Set probabilities for entering
7995         versioned loop correctly.
7996         * tree-vect-transform.c (vect_transform_loop): Ditto.
7997         * cfgloop.h (loopify, loop_version): Declaration changed.
7998         (scale_loop_frequencies): Declared.
8000 2007-01-02  Jan Hubicka  <jh@suse.cz>
8002         * cgraph.c: Include tree-flow.h
8003         (cgraph_add_new-function): Handle IPA_SSA mode; execute
8004         early_local_passes.
8005         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8006         * tree-pass.h (pass_all_early_optimizations): Declare.
8007         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8008         early_local_passes.
8009         (cgraph_analyze_function): Do early_local_passes.
8010         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8011         Do not add referenced vars.
8012         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8013         SSA form.
8014         (gate_all_early_local_passes): New gate.
8015         (pass_early_local_passes): Use new gate.
8016         (execute_early_local_optimizations): New functions.
8017         (gate_all_early_optimizations): New gate.
8018         (pass_all_early_optimizations): New pass.
8019         (execute_free_datastructures): Free SSA only when initialized.
8020         (gate_init_datastructures): Init only when optimizing.
8021         (tree_lowering_passes): Do early local passes when called late.
8022         * tree-profile.c (do_tree_profiling): Don't profile functions added
8023         late.
8024         (do_early_tree_profiling, pass_early_tree_profile): Kill.
8025         * tree-cfg.c (update_modified_stmts): Do not update when operands are
8026         not active.
8027         * passes.c (init_optimizations_passes): Reorder so we go into SSA
8028         during early_local_passes.
8029         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8032 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8034         * Makefile.in: Update copyright year.
8036 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8038         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8039         in $(lang_checks) and check-consistency targets.
8041 2007-01-02  Jan Hubicka  <jh@suse.cz>
8043         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8044         Do not add referenced vars.
8045         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8046         are not active.
8047         * passes.c (init_optimization_passes): Put mudflap_2 after
8048         free_datastructures.
8050 2007-01-02  Jan Hubicka  <jh@suse.cz>
8052         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8053         Set NOTHROW flag on call statements proved to be nothrow.
8054         Update statement of local calls so new pure/const functions are
8055         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8056         goto receivers.
8057         (tree_rest_of_compilation): Register hooks and initialize bitmap
8058         early. Do not set after_inlining flag.
8060 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
8062         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
8063         HOST_BITS_PER_LONGLONG
8065 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8067         PR c/19977
8068         * c-typeck.c (store_init_value): Don't emit pedantic overflow
8069         warning for non-static initializers.
8071 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
8073         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8074         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8075         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8076         Always use set_unique_reg_note to add REG_EQUAL notes.
8078 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8080         Revert:
8081         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8083         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8084         * cfgbuild.c (find_basic_blocks): Likewise.
8085         * cfgrtl.c (rtl_create_basic_block): Likewise.
8086         * function.c (temp_slots_at_level): Likewise.
8087         * reg-stack.c (stack_regs_mentioned): Likewise.
8088         * regclass.c (allocate_reg_info): Likewise.
8089         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8090         set_bb_for_stmt, move_block_to_fn): Likewise.
8091         * tree-complex.c (tree_lower_complex): Likewise.
8092         * vec.h (VEC_safe_grow_cleared): New.
8094 2007-01-02  Ian Lance Taylor  <iant@google.com>
8096         * c-common.c (c_common_truthvalue_conversion): When warning about
8097         using an assignment as a truth value, set TREE_NO_WARNING.
8099 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8101         PR middle-end/7651
8102         * c.opt (Wold-style-declaration): New.
8103         * doc/invoke.texi (C-only Warning Options): New.
8104         (Wold-style-declaration): Document it.
8105         (Wextra): Enabled by -Wextra.
8106         * c-opts.c (c_common_post_options): Enabled by -Wextra.
8107         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8108         -Wold-style-declaration.
8110 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8112         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8113         * cfgbuild.c (find_basic_blocks): Likewise.
8114         * cfgrtl.c (rtl_create_basic_block): Likewise.
8115         * function.c (temp_slots_at_level): Likewise.
8116         * reg-stack.c (stack_regs_mentioned): Likewise.
8117         * regclass.c (allocate_reg_info): Likewise.
8118         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8119         set_bb_for_stmt, move_block_to_fn): Likewise.
8120         * tree-complex.c (tree_lower_complex): Likewise.
8121         * vec.h (VEC_safe_grow_cleared): New.
8123 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
8125         * c-common.c (c_common_nodes_and_builtins): Since variants of
8126         void_type_node get built before it is given a name, we need to
8127         give those variants the name, too.
8128         (complete_array_type): We need to work with the canonical main
8129         type of the array, from which we will build the qualified version.
8130         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8131         * print-tree.c (print_node): Display canonical type information
8132         for each type.
8133         * stor-layout.c (layout_type): When we don't know the
8134         alignment of a type for which we're building an array, we end up
8135         guessing wrong, so make the type require structural equality.
8136         * tree.c (make_node_stat): When we build a new type, it is its
8137         own canonical type.
8138         (build_type_attribute_qual_variant): When building an attribute
8139         variant, its canonical type is the non-attribute variant. However,
8140         if the attributes are target-dependent and they differ, we need to
8141         use structural equality checks for this type.
8142         (build_qualified_type): A qualified type is not equivalent to its
8143         unqualified variant; set the canonical type appropriately.
8144         (build_distinct_type_copy): When building a distinct type from
8145         another type, the new type is its own canonical type.
8146         (build_variant_type_copy): When building a new type variant, we
8147         assume that it is equivalent to the original type.
8148         (build_pointer_type_for_mode): When building a pointer type, also
8149         build a canonical type pointer.
8150         (build_reference_type_for_mode): When building a reference type,
8151         also build a canonical type reference.
8152         (build_index_type): When we can't hash an index type (e.g.,
8153         because its maximum value is negative), the index type requires
8154         structural equality tests.
8155         (build_array_type): Build the canonical form of an array type.
8156         (build_function_type): Function types require structural equality,
8157         because they contain default arguments, attributes, etc.
8158         (build_method_type_directly): Ditto for method types.
8159         (build_offset_type): Build the canonical offset type.
8160         (build_complex_type): Build the canonical vector type.
8161         (make_vector_type): Build the canonical vector type.
8162         * tree.h (TYPE_CANONICAL): New.
8163         (TYPE_STRUCTURAL_EQUALITY_P): New.
8164         (SET_TYPE_STRUCTURAL_EQUALITY): New.
8165         (struct tree_type): Added "canonical" field.
8166         * params.h (VERIFY_CANONICAL_TYPES): New.
8167         * doc/c-tree.texi (TYPE_CANONICAL): Document.
8168         (TYPE_STRUCTURAL_EQUALITY_P): Document.
8169         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8170         * doc/invoke.texi (verify-canonical-types): Document --param
8171         parameter for verifying canonical types.
8173 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8175         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8176         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8177         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8178         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8179         tm_file.
8180         * config/rs6000/e500.h: New.
8181         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8182         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8183         Remove.
8184         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8185         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8186         TARGET_E500_DOUBLE): Remove.
8187         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8188         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8189         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8190         * config/rs6000/rs6000.c (rs6000_override_options): Use
8191         CHECK_E500_OPTIONS.
8193 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8195         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8196         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8197         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8198         rs6000_emit_cmove): Don't check TARGET_E500.
8199         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8200         sordered): Don't check TARGET_E500.
8202 2007-01-01  Eric Christopher  <echristo@apple.com>
8204         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8205         HARD_REGISTER_NUM_P.
8207 2007-01-01  Roger Sayle  <roger@eyesopen.com>
8209         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8210         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8211         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8212         eq/ne Y".
8214 2007-01-01  Mike Stump  <mrs@apple.com>
8216         * configure.ac: Remove support for building with Apple's gcc-3.1.
8218 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8220         PR middle-end/30311
8221         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8222         REG is a hard register.  Do not modify REG before calling
8223         subreg_nregs.
8224         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8225         multiple of the size of YMODE for certain lowpart cases.
8227 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8229         PR middle-end/30253
8230         * gimplify (voidify_wrapper_expr): Update for
8231         GIMPLE_MODIFY_STMT.
8233 2007-01-01  Andreas Schwab  <schwab@suse.de>
8235         PR target/29166
8236         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8237         save of BR0 in extra_spill_size instead of spill_size.
8238         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8239         area.
8240         (ia64_expand_epilogue): Restore BR0 from its new location.
8242 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8244         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8245         Use a temporary variable if the left hand side is not a gimple
8246         register.
8248 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
8250         * gimplify.c (gimplify_return_expr): Make the temporary variable
8251         for the return expression, a gimple register variable.
8253 2007-01-01  Jan Hubicka  <jh@suse.cz>
8255         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8256         INSN_LIST.
8258 2007-01-01  Mike Stump  <mrs@apple.com>
8260         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8261         .literal16.
8262         * config/darwin.c (machopic_select_rtx_section): Use
8263         HAVE_GAS_LITERAL16.
8264         (darwin_mergeable_constant_section): Likewise.
8265         * configure: Regenerate.
8266         * config.in: Regenerate.
8268 2007-01-01  Jan Hubicka  <jh@suse.cz>
8269             Andrew Pinski  <pinskia@gmail.com>
8271         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8272         before starting IPA passes.