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* varasm.c (initializer_constant_valid_p): Don't deny
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-03-29  Richard Henderson  <rth@redhat.com>
2
3         * varasm.c (initializer_constant_valid_p): Don't deny
4         DECL_DLLIMPORT_P on functions.
5
6         * config/i386/cygming.h: Remove function declarations.
7         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
8         (ASM_OUTPUT_LABELREF): Remove.
9         (COMMON_ASM_OP): Remove.
10         (ASM_OUTPUT_COMMON): Remove.
11         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
12         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
13         (ASM_DECLARE_FUNCTION_NAME): Likewise.
14         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
15         Rename from TARGET_ENCODE_SECTION_INFO.
16         * config/i386/netware.h: Likewise.
17         * config/i386/i386-protos.h: Update.
18         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
20         (legitimate_constant_p): Reject dllimports.
21         (dllimport_map, get_dllimport_decl): New.
22         (legitimize_dllimport_symbol): New.
23         (legitimize_address, ix86_expand_move): Use it.
24         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
25         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
26         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
27         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
28         * config/i386/predicates.md (constant_call_address_operand): Only
29         accept symbols; reject dllimport_p symbols.
30         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
31         i386_pe_maybe_record_exported_symbol.
32         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
33         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
34         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
35         trust the setting of DECL_DLLIMPORT_P.
36         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
37         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
38         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
39         tidy the argument scanning loop.
40         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
41         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
42         (i386_pe_strip_name_encoding): Remove.
43         (i386_pe_binds_local_p): New.
44         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
45         (i386_pe_output_labelref): Remove.
46         (i386_pe_asm_output_aligned_decl_common): New.
47         (i386_pe_maybe_record_exported_symbol): Rename from
48         i386_pe_record_exported_symbol; check for dllexported symbols.
49
50 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
51
52         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
53         add comment explaining why vsnprintf cannot be used.
54
55 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
56
57         PR tree-optimization/30666
58         * tree.c (build_complex_type): When creating type names for DWARF2
59         debug info, create TYPE_DECLs for TYPE_NAME instead of
60         IDENTIFIER_NODEs.
61         (build_common_tree_nodes_2): Use build_complex_type when building
62         predefined complex types, to preserve canonical types.
63
64 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
65
66         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
67         (noce_get_alt_condition): Look at it to determine whether to
68         reverse the condition or not.
69         (noce_get_condition): Substitute the truth for lies.
70         (noce_find_if_block): Set the then_else_reversed field.
71
72 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
73
74         * config/fr30/fr30.md (movdi): Do not accept immediates as the
75         destination of this insn.
76         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
77         than calling gen_rtx_SET directly.  Use r0 to hold the value of
78         'address + 4' rather than a stack based temporary which can be
79         mis-optimized away.
80         
81 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
82
83         * config/s390/s390.c (s390_secondary_input_reload_class,
84         s390_secondary_output_reload_class): Functions removed.
85         (s390_secondary_reload): New function.
86         (TARGET_SECONDARY_RELOAD): Target macro defined.
87         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
88         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
89         * config/s390/s390.md ("reload_outti", "reload_outdi",
90         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
91         "reload_out<mode>"): Expanders removed.
92         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
93         "reload<mode>_nonoffmem_out"): Expanders added.
94
95 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
96
97         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
98         SRC->DEST replacement failed anyway.
99
100 2007-03-28  Mike Stump  <mrs@apple.com>
101
102         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
103         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
104         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
105
106 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
107
108         * config.gcc: Accept barcelona as a variant of amdfam10.
109         * config/i386/i386.c (override_options): Likewise.
110         * doc/invoke.texi: Likewise.
111         
112 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
113
114         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
115         offsets for BIT_FIELD_REF and COMPONENT_REF.
116
117 2007-03-28  Richard Guenther  <rguenther@suse.de>
118
119         * tree.c (is_global_var): Move ...
120         * tree-flow-inline.h (is_global_var): ... here.
121         * tree.h (is_global_var): Remove declaration.
122
123 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
124
125         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
126         option.
127         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
128         * config/i386/i386.c (ix86_tune_features): Initialize new
129         tuning option.
130         * config/i386/predicates.md (promotable_binary_operator): Use
131         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
132
133 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
134
135         PR target/31380
136         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
137
138 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
139
140         * config/fr30/fr30.md (movsi_internal): Change destination
141         constraint from m to V and add m to the end. 
142
143 2007-03-28  Christian Bruel  <christian.bruel@st.com>
144
145         * config/sh/sh.md (movsi_i): Fix type attribute.
146
147 2007-03-28  Christian Bruel  <christian.bruel@st.com>
148
149         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
150         (movsf_ie): Likewise.
151
152 2007-03-28  Christian Bruel  <christian.bruel@st.com>
153
154         * config.gcc: Add sh4-300 to multilib.
155         * config/sh/t-mlib-sh4-300: New file.
156
157 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
158
159         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
160         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
161         fix_trunc<mode>di2.
162         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use 
163         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
164         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
165         "fixuns_trunctddi2"): Whitespace fix.
166
167 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
168
169         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
170         the definition of struct sh_args.
171         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
172         CALL_COOKIE_INT_REG_GET): Likewise.
173
174 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
175
176         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
177         transformations are applied successfully.
178
179 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
180
181         * tree.c (tree_contains_struct): Permit 512 tree codes.
182         * tree.h (tree_contains_struct): Ditto.
183         (MAX_TREE_CODES): Ditto.
184         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
185         SPARE member to store remaining padding bits.
186
187 2007-03-27  Anatoly Sokolov <aesok@post.ru>
188
189         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' 
190         architecture.
191
192 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
193
194         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
195         * configure: Regenerate.
196
197         * configure: Regenerate using the correct version of autoconf.
198
199 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
200
201         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
202         pointer regs.
203         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
204         regs to "__SP_L__" and "__SP_H__".
205
206 2007-03-27  Richard Guenther  <rguenther@suse.de>
207
208         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
209         computations with it with a HOST_WIDE_INT variable.  
210
211 2007-03-26  Mike Stump  <mrs@apple.com>
212
213         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
214         objective-c-header, objective-c++-header and objc++-cpp-output
215         support.
216         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
217
218 2007-03-26  Richard Henderson  <rth@redhat.com>
219
220         PR target/31361
221         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
222         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
223         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
224         IX86_BUILTIN_PSRLQ128): New.
225         (ix86_init_mmx_sse_builtins): Add them.
226         (ix86_expand_builtin): Expand them.
227         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
228         operand 2 be TImode.
229         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
230         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
231         _mm_srli_epi64): Mark __B const.
232         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
233         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
234         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use 
235         new two-vector shift builtins.
236
237 2007-03-26  Ian Lance Taylor  <iant@google.com>
238
239         PR tree-optimization/31345
240         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
241         [+INF, +INF(OVF)] into VARYING.
242
243 2007-03-26  Zack Weinberg  <zackw@panix.com>
244
245         * gengtype-parse.c: New file.
246         * gengtype-yacc.y: Delete.
247         * gengtype-lex.l: Don't include gengtype-yacc.h.
248         Define YY_DECL and yyterminate appropriately for recursive
249         descent parser.  yylval is now a string out-parameter to yylex.
250         (HWS, EOID): New shorthand.
251         (IWORD): Add a couple more types.
252         (yylex): Add a setup stanza.  Remove the complex rules for
253         detecting GTY'ed types and typedefs; replace with simple
254         keyword detectors.  Adjust everything for the changed
255         definition of yylval.  Ignore all pp-directives, not just #define.
256         (yyerror): Delete.
257         (parse_file): Rename yybegin; do not call yyparse.
258         (yyend): New.
259         * gengtype.c (xasprintf): Export again.
260         (this_file): New.  Use everywhere __FILE__ was being used.
261         (get_lang_bitmap): Special case types defined in gengtype.c.
262         (do_typedef, new_structure): Suppress definition of certain types.
263         (new_structure): Improve diagnostics of duplicate definitions.
264         Make sure location_s is associated with input.h.
265         (nreverse_pairs, define_location_structures): New functions.
266         (main): Improve tagging of kludge types.  Remove old kludges
267         for input.h types; use define_location_structures.
268         * gengtype.h: Update prototypes.  Define token codes here.
269         * Makefile.in: Remove all references to gengtype-yacc.
270         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
271         and gengtype.
272         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
273         add GTY((skip)) to the field that's only conditionally there.
274         * doc/install.texi: Document that Bison is no longer required
275         unless building treelang.
276
277         * gengtype.c: Don't include gtyp-gen.h.
278         (srcdir): Declare here.
279         (base_files, lang_dir_names): Allocate dynamically.
280         (gt_files, num_gt_files, num_lang_dirs): New globals.
281         (measure_input_list, read_input_line, read_input_list)
282         (set_lang_bitmap): New functions.
283         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
284         simplify, relying on read_input_list to set up the bitmaps.
285         (main): Arguments are no longer unused.  Check for correct number
286         of command line arguments, set srcdir and srcdir_len, then call
287         read_input_list, before doing anything else.  No need to worry
288         about duplicates in main loop.
289         * configure.ac: Simplify the calculation of all_gtfiles.
290         Put language tags in there.  Don't set or substitute
291         all_gtfiles_files_langs or all_gtfiles_files_frags.
292         * Makefile.in: Revamp the way gengtype is invoked, now that it
293         takes a file on its command line with a much simpler format.
294         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
295         (GTFILES): Remove duplicates and C source files.
296         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
297         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
298         * configure: Regenerate.
299
300         * gengtype.h: Remove all type definitions to gengtype.c; leave
301         only definitions of options_p, type_p, and pair_p as opaque
302         pointers.  Update prototypes.
303         * gengtype.c: Many type definitions moved here from gengtype.h.
304         Consolidate type definitions at the top of the file.
305         (xvasprintf): Delete.
306         (xasprintf): Make static.
307         (create_nested_pointer_option): Add 'next' parameter.
308         (create_field_all, create_field_at): New functions.
309         (create_field): Now a thin wrapper around create_field_all.
310         (create_optional_field): Rename create_optional_field_ and add
311         line argument.  Original name is now a macro which supplies
312         __LINE__.
313         (oprintf): Use vsnprintf directly.
314         (close_output_files): Use fatal rather than perror/exit.
315         (note_def_vec, note_def_vec_alloc): Use create_field_at.
316         (main): Set progname.  Don't use exit.
317         * gengtype-yacc.y (struct_fields): Use create_field_at.
318         (option, optionseqopt): Delete.
319         (optionseq): Consolidate productions from option here so we
320         can use the first argument to create_option.
321
322         * gengtype-lex.l: Distinguish unions from structures in the
323         token type.  Don't call find_structure; return the tag as a string.
324         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
325         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
326         Reorganize typedef_struct production accordingly.
327         Use create_nested_ptr_option.
328         * gengtype.c (create_nested_ptr_option): New function.
329         * gengtype.h: Declare it.
330
331         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
332         (string_type): Don't declare.
333         (do_scalar_typedef): Declare.
334         (create_scalar_type): Update prototype.
335         * gengtype.c (string_type): Make static.
336         (scalar_nonchar, scalar_char): New.
337         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
338         (resolve_typedef): Use scalar_nonchar for error recovery.
339         (create_scalar_type): Remove name_len field.  Return scalar_char
340         or scalar_nonchar as appropriate.
341         (adjust_field_type): Look at scalar_is_char boolean to decide whether
342         to use string_type.
343         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
344         whenever possible.
345         (main): Initialize scalar_char and scalar_nonchar before calling
346         gen_rtx_next.
347         * gengtype-lex.l: Adjust for removal of second argument to
348         create_scalar_type.  Use yylval.s instead of yylval.t when
349         returning SCALAR.
350         * gengtype-yacc.y: Type of SCALAR is string.  Call
351         create_scalar_type from type:SCALAR rule.  Adjust for removal of
352         second argument to create_scalar_type.
353
354         * vec.h: Remove all #if IN_GENGTYPE blocks.
355         Add comment saying that changes may require adjustments to gengtype.
356         * gengtype.c: Don't include coretypes.h or tm.h.
357         Add comment to inclusion of errors.h.
358         (note_def_vec, note_def_vec_alloc): New functions.
359         * gengtype.h: Declare new functions.
360         * gengtype-lex.l: Don't include coretypes.h.
361         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
362         Delete.
363         (update_lineno): Remove unnecessary prototype.
364         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
365         (VEC rule): Just return VEC_TOKEN.
366         * gengtype-yacc.y (VEC_TOKEN): New token type.
367         (type): Add a production for VEC(a,b).
368         * Makefile.in: Update dependencies.
369
370         * gengtype-lex.l: Remove rules for parsing pointer-to-function
371         typedefs that use the old PARAMS macro.
372
373         * gengtype-lex.l: Remove all rules and states relating to yacc
374         input files.
375         * gengtype-yacc.y: Similarly.
376         * gengtype.c (note_yacc_type): Delete function.
377         * gengtype.h: Update prototypes.
378
379 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
380
381         * tree-pretty-print.c (dump_generic_node): Report precision of
382         unnamed integer types.
383
384 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
385
386         * ifcvt.c (noce_try_store_flag_constants): Don't check
387         no_new_pseudos here.
388         (noce_try_store_flag_constants): Don't check no_new_pseudos.
389         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
390         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
391         noce_try_sign_mask): Likewise.
392         (if_convert): Check no_new_pseudos here.
393
394         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
395         Remove prototypes.
396         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
397         (noce_get_condition): Handle new then_else_reversed argument.
398         (noce_init_if_info): Remove, fold into noce_find_if_block.
399         (noce_process_if_block): Take a struct noce_if_info as the
400         argument.  Don't set up one based on ce_if_info.  Update pointer
401         references accordingly.
402         (cond_move_process_if_block): Likewise.
403         (process_if_block): Removed.
404         (find_if_block): Removed.  Move functionality two new functions,
405         noce_find_if_block and cond_exec_find_if_block.
406         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
407         blocks and the symmetric IF-ELSE-JOIN case.
408         (cond_exec_find_if_block): Also new function mostly based on old
409         find_if_block and process_if_block.
410         (find_if_header): Replace find_if_block call with separately
411         guarded calls to noce_find_if_block and cond_exec_find_if_block.
412         (find_cond_trap): Update noce_get_condition call.
413         (dead_or_predicable): Likewise.
414
415 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
416
417         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
418         Remove.
419         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
420         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
421         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
422         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
423         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
424         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
425         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
426         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
427         __builtin_ia32_psrad128 builtins.
428
429 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
430
431         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
432         * config/i386/constraints.md
433         (define_constraint "I"): Use IN_RANGE macro.
434         (define_constraint "J"): Ditto.
435         (define_constraint "K"): Ditto.
436         (define_constraint "M"): Ditto.
437         (define_constraint "N"): Ditto.
438         (define_constraint "O"): Ditto.
439         * config/i386/predicates.md
440         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
441         (define_predicate "const_0_to_3_operand"): Ditto.
442         (define_predicate "const_0_to_7_operand"): Ditto.
443         (define_predicate "const_0_to_15_operand"): Ditto.
444         (define_predicate "const_0_to_63_operand"): Ditto.
445         (define_predicate "const_0_to_255_operand"): Ditto.
446         (define_predicate "const_1_to_31_operand"): Ditto.
447         (define_predicate "const_2_to_3_operand"): Ditto.
448         (define_predicate "const_4_to_7_operand"): Ditto.
449
450 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
451
452         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
453         in SImode for save_world.
454         * config/rs6000/altivec.md (save_world, restore_world): Convert to
455         LR hard reg.
456
457 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
458
459         PR tree-optimization/30784
460         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
461         BIT_FIELD_REF.
462
463 2007-03-25  Revital Eres  <eres@il.ibm.com>
464
465         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
466           Fold movement_possibility function into it.
467
468 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
469
470         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
471         (load_macho_picbase_{si,di}): Convert to LR hard reg.
472         (call_indirect_nonlocal_darwin64): Same.
473         (call_nonlocal_darwin64): Same.
474         (call_value_indirect_nonlocal_darwin64): Same.
475         (call_value_nonlocal_darwin64): Same.
476         (sibcall_nonlocal_darwin64): Same.
477         (sibcall_value_nonlocal_darwin64): Same.
478         (sibcall_symbolic_64): Same.
479         (sibcall_value_symbolic_64): Same.
480         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
481         LR pseudo.
482         (rs6000_emit_load_toc_table): Same.
483         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
484         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
485         (mull_call): Same.
486         (divss_call): Same.
487         (divus_call): Same.
488         (quoss_call): Same.
489         (quous_call): Same.
490         (load_toc_v4_pic_si): Same
491         (load_toc_v4_PIC_1): Same.
492         (load_toc_v4_PIC_1b): Same.
493         (call_indirect_aix{32,64}): Same.
494         (call_value_indirect_aix{32,64}): Same.
495         (call): Same.
496         (call_value): Same.
497         (call_local{32,64}): Same.
498         (call_value_local{32,64}): Same.
499         (call_indirect_nonlocal_aix{32,64}): Same.
500         (call_nonlocal_aix{32,64}): Same.
501         (call_value_indirect_nonlocal_aix{32,64}): Same.
502         (call_value_nonlocal_aix{32,64}): Same.
503         (call_indirect_nonlocal_sysv<mode>): Same.
504         (call_nonlocal_sysv<mode>): Same.
505         (call_value_indirect_nonlocal_sysv<mode>): Same.
506         (call_value_nonlocal_sysv<mode>): Same.
507         (sibcall): Same.
508         (sibcall_local{32,64}): Same.
509         (sibcall_value_local{32,64}): Same.
510         (sibcall_nonlocal_aix{32,64}): Same.
511         (sibcall_value_nonlocal_aix{32,64}): Same.
512         (sibcall_nonlocal_sysv<mode>): Same.
513         (sibcall_value): Same.
514         (sibcall_value_nonlocal_sysv<mode>): Same.
515
516 2007-03-24  Paul Brook  <paul@codesourcery.com>
517
518         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
519         * config/arm/linux-eabi.h: Remove legacy syscall hack.
520
521 2007-03-24  Richard Henderson  <rth@redhat.com>
522
523         * config/ia64/constraints.md: New file.
524         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
525         satisfies_constraint_?.
526         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
527         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
528         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
529         ia64_output_mi_thunk): Likewise.
530         (ia64_const_ok_for_letter_p): Remove.
531         (ia64_const_double_ok_for_letter_p): Remove.
532         (ia64_extra_constraint): Remove.
533         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
534         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
535         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
536         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
537         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
538         EXTRA_MEMORY_CONSTRAINT): Remove.
539         * config/ia64/ia64.md: Include constriants.md.  Replace
540         CONST_OK_FOR_? with satisfies_constraint_?.
541
542 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
543             H.J. Lu  <hongjiu.lu@intel.com>
544
545         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
546         DPD or BID name.
547         (name macros): Use DPD_BID_NAME to convert names properly.
548
549         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
550         decimal floating point format.
551         (init_floating_libfuncs): Change decimal functions so that they
552         have a "bid_" prefix if the decimal system uses the BID format,
553         and "dpd_" prefix if the decimal system uses the DPD format.
554         (init_interclass_conv_libfuncs): Ditto.
555         (init_intraclass_conv_libfuncs): Ditto.
556
557         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
558         using the BID format.
559
560         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
561         whether we are using the BID decimal format.
562         * configure: Regenerate.
563
564         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
565         the compiler has decimal floating point enabled.  Define
566         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
567         instead of DPD.
568
569         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
570         using the BID format.
571
572         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
573         whether we are using the BID decimal format.
574         * configure: Regenerate.
575
576         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
577         the compiler has decimal floating point enabled.  Define
578         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
579         instead of DPD.
580
581         * doc/install.texi (--enable-decimal-float): Document BID and DPD
582         options, and that it is enabled for i386/x86_64 systems.
583
584         * Makefile.in (enable_decimal_float): New.
585         (DECNUMFMT): New.
586         (DECNUMINC): Add  -I$(DECNUMFMT).
587         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
588         to $(DECNUMFMT) from $(DECNUM).
589
590         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
591         Substitute enable_decimal_float.
592         * configure: Regenerated.
593
594         PR other/30529
595         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
596         unsigned long.
597
598         * configure.ac: Enable decimal float for x86_64-*-linux*.
599         * configure: Regenerated.
600
601         PR other/30530
602         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
603         decimal128ClearSign to flip and clear the sign bit in decimal128.
604         (decimal_real_maxval): Set decimal128SetSign to set the sign
605         bit in decimal128.
606
607 2007-03-23  Ian Lance Taylor  <iant@google.com>
608
609         * fold-const.c (fold_binary): Correct warning for X - c >= X.
610
611 2007-03-23  Ian Lance Taylor  <iant@google.com>
612
613         * tree-dump.c (dump_files): Correct comment.
614
615 2007-03-23  Ian Lance Taylor  <iant@google.com>
616
617         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
618
619 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
620
621         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
622         in cfglayout mode.  Don't go into and out of cfglayout mode.
623         Link the blocks in the order of the constructed traces.
624         (rest_of_handle_tracer): Adjust call to tracer.
625         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
626         Don't go into cfglayout mode.
627         (rtl_loop_done): Don't go out of cfglayout mode.
628         * cfglayout.c (relink_block_chain): New function, split out from...
629         (fixup_reorder_chain): ...here.  Remove redundant checking.
630         (cfg_layout_finalize): Don't clear the header, footer, and aux
631         fields here, move the code to do so to relink_block_chain.  Likewise
632         for free_original_copy_tables.
633         * rtl.h (tracer): Update prototype.
634         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
635         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
636         mode.  Use relink_block_chain to serialize the CFG according to the
637         new basic block order.  Move targetm.cannot_modify_jumps_p check from
638         here...
639         (gate_handle_reorder_blocks): ...to here.
640         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
641         from here...
642         (gate_duplicate_computed_gotos): ...to here.
643         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
644         something always changes when going into and out of cfglayout mode.
645         Perform an expensive cfg cleanup while going into cfglayout mode.
646         Always update liveness information on HAVE_conditional_execution
647         targets.  Reserialize the basic blocks and go out of cfglayout mode.
648         * reg-stack.c: Include cfglayout.h.
649         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
650         the call to reorder_basic_blocks.
651         * basic-block.h (reorder_basic_blocks): Update prototype.
652         (relink_block_chain): New prototype.
653         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
654
655 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
656
657         * config/mips/mips.md (type, hazard, *movdi_32bit,
658         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
659         *movhi_internal, *movqi_internal, *movsf_hardfloat,
660         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
661         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
662         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
663         applicable.
664         (movcc): Change first xfer to multi.
665         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
666         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
667         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
668         config/mips/generic.md: Change reservations using "xfer" to use
669         "mfc,mtc".
670         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
671         using match_operand.
672         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
673         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
674         examining mode.
675         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
676
677 2007-03-22  Richard Henderson  <rth@redhat.com>
678
679         * config/i386/i386.c: Remove unnecessary function declarations.
680         Move targetm definition, and all related macros, to the end of
681         the file.  Resort some functions to put definitions before uses.
682         (ix86_attribute_table): Make static.  Move to end of file.
683         (ix86_gimplify_va_arg): Make static.
684
685 2007-03-22  Richard Henderson  <rth@redhat.com>
686
687         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
688         don't increase local_regparm with force_align_arg_pointer check.
689         (ix86_function_sseregparm): Assert 32-bit.
690         (type_has_variadic_args_p): New.
691         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
692         type_has_variadic_args_p.
693         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
694         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
695         use memset instead.  Do maybe_vaarg check first; skip attribute
696         tests if true; skip attribute tests for 64-bit.
697         (construct_container): Remove TARGET_DEBUG_ARG.
698         (function_arg_advance_32, function_arg_advance_64): Split out ...
699         (function_arg_advance): ... from here.
700         (function_arg_32, function_arg_64): Split out ...
701         (function_arg): ... from here.
702         (ix86_pass_by_reference): Tidy.
703         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
704         (function_value_32): New, from parts of ix86_function_value
705         and ix86_value_regno.
706         (function_value_64): New, from parts of ix86_function_value
707         and ix86_libcall_value.
708         (ix86_function_value_1): New.
709         (ix86_function_value, ix86_libcall_value): Use it.
710         (return_in_memory_32, return_in_memory_64): Split out ...
711         (ix86_return_in_memory): ... from here.
712         (ix86_struct_value_rtx): Skip for 64-bit.
713         (ix86_libcall_value, ix86_value_regno): Remove.
714         (setup_incoming_varargs_64): Split out ...
715         (ix86_setup_incoming_varargs): ... from here.
716         (ix86_va_start): Remove TARGET_DEBUG_ARG.
717         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
718         * config/i386/i386-protos.h (ix86_function_value): Remove.
719         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
720
721 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
722
723         PR other/23572
724         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
725         infinities not supported, otherwise emit warning if -Woverflow. On
726         underflow, emit warning if -Woverflow.
727         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
728         and 0 otherwise.
729         * real.h (real_from_string): Update declaration
730
731 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
732             Richard Henderson  <rth@redhat.com>
733
734         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
735         * calls.c (compute_argument_block_size, expand_call,
736         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
737         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
738         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
739         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
740         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
741         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
742         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
743         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
744         Set to 1.
745
746 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
747
748         * c-incpath.c (add_sysroot_to_chain): New.
749         (merge_include_chains): Add sysroot argument.  Call
750         add_sysroot_to_chain if sysrooted.
751         (register_include_chains): Update call to merge_include_chains.
752         * doc/cppopts.texi: Document use of '=' in include directory
753         arguments.
754
755 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
756
757         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
758         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
759         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
760         insn pattern using X87MODEF12 mode macro.
761
762 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
763
764         * regmove.c (regmove_optimize): Use reg_mentioned_p
765         instead of reg_overlap_mentioned_p for DST.
766
767 2007-03-21  Mike Stump  <mrs@apple.com>
768
769         * c.opt: Fixup for Objective-C/C++.
770
771 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
772
773         * explow.c (convert_memory_address): Fold memory reference when
774         POINTERS_EXTEND_UNSIGNED < 0
775
776 2007-03-21  Richard Henderson  <rth@redhat.com>
777
778         PR target/31245
779         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
780         * config/i386/mmintrin.h (__m64): Likewise.
781         * config/i386/xmmintrin.h (__m128): Likewise.
782
783 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
784
785         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
786         (VXWORKS_OS_CPP_BUILTINS): Define.
787         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
788         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
789
790 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
791
792         * rtl.h (constant_pool_reference_p): Delete.
793         (find_constant_src): Declare.
794         * rtlanal.c (find_constant_src): New function.
795         * simplify-rtx.c (constant_pool_reference_p): Delete.
796         * config/i386/i386.md: Use find_constant_src instead of
797         constant_pool_reference_p/avoid_constant_pool_reference pairs.
798
799 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
800
801         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
802         * c-cppbuiltin.c (c_cpp_builtins): Define them.
803
804 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
805
806         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
807         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
808         (arm_elf_asm_constructor): Use it.
809         (arm_elf_asm_destructor): New function.
810
811 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
812
813         * jump.c (mark_jump_label): Treat SEQUENCE specially.
814
815 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
816
817         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
818
819 2007-03-19  Andrew Haley  <aph@redhat.com>
820
821         PR tree-optimization/31264
822         * tree-vrp.c (register_edge_assert_for_1): Don't look though
823         VIEW_CONVERT_EXPRs.
824
825 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
826
827         PR rtl-optimization/30907
828         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
829         (fwprop_init): Always call loop_optimizer_initialize.
830         (fwprop_done): Always call loop_optimizer_finalize.
831         (fwprop): We always have loop info now.
832         (gate_fwprop_addr): Remove.
833         (pass_fwprop_addr): Use gate_fwprop as gate.
834
835         PR rtl-optimization/30841
836         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
837         df_chain_alloc): Call df_reorganize_refs unconditionally.
838         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
839         refs_organized to refs_organized_size.
840         (df_ref_create_structure): Use refs_organized_size instead of
841         bitmap_size if refs had been organized, and keep refs_organized_size
842         up-to-date.
843         * df.h (struct df_ref_info): Change refs_organized to
844         refs_organized_size.
845         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
846         bitmap_size.
847
848 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
849
850         * except.c (output_function_exception_table): Do not reference the
851         EH personality routine for functions that do not require an
852         exception table.
853
854 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
855
856         PR c/30762
857         * c-typeck.c (convert_for_assignment): Call comptypes for
858         RECORD_TYPE or UNION_TYPE.
859
860         PR inline-asm/30505
861         * reload1.c (reload): Do invalid ASM checking after
862         cleanup_subreg_operands.
863
864 2007-03-19  Jeff Law  <law@redhat.com>
865
866         * tree-cfg.c (find_taken_edge): Tighten conditions for
867         optimizing computed gotos.
868
869 2007-03-19  Michael Matz  <matz@suse.de>
870
871         * builtins.c (expand_builtin_sync_operation,
872         expand_builtin_compare_and_swap,
873         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
874         correctly.
875
876         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
877         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
878         for operand 3.
879
880 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
881
882         * doc/tm.texi: Add brackets around the return type of
883         TARGET_SECONDARY_RELOAD.
884
885 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
886         Richard Guenther  <rguenther@suse.de>
887
888         PR tree-optimization/31254
889         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
890         Use handled_component_p () where appropriate.  Continue
891         propagating into the rhs if we propagated into an INDIRECT_REF
892         on the lhs.
893
894 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
895
896         * config/s390/s390.md (op_type attribute): RRR instruction type added.
897         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
898         (xde, xdee): Mode attributes adjusted to support DFP modes.
899         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
900         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
901         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
902         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
903         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
904         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
905         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
906         numbers.
907         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
908         "movsf"): Insn definitions removed.
909         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
910         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
911         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
912         definitions added.
913         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
914         "reload_in<mode>", "reload_out<mode>"): Expander added.
915         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
916         Expander removed.
917
918 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
919
920         * config/s390/s390.md: Only non-functional changes.  Renamed
921         FPR mode macro to BFP all over the file.
922
923 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
924
925         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
926         (op_type attribute): RRF instruction type added.
927         (fT0): New mode attribute.
928         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
929         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
930         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
931         no secondary memory is needed when moving DFmode values between GPRs
932         and FPRs.
933
934 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
935
936         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
937         inverted and documentation adjusted.
938         ("mhard-dfp", "msoft-dfp"): New options.
939         * config/s390/s390.c (s390_handle_arch_option): New architecture
940         switch: z9-ec.
941         (override_options): Sanity checks for the new options added.
942         * config.gcc: New architecture switch: z9-ec.
943         * config/s390/s390.h (processor_flags): PF_DFP added.
944         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
945         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
946         when the bit is NOT set so remove it from the defaults.
947
948 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
949
950         * genemit.c (main): Print include statement for dfp.h.
951         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
952         is not available.
953
954 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
955
956         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
957
958 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
959
960         PR target/31022
961         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
962         instead of PATTERN.
963
964 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
965
966         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
967         attr_length_call, output_call, output_indirect_call): Cleanup
968         formatting of targetm calls.
969
970 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
971
972         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
973
974 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
975
976         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
977         reservation, bypass and anti-bypass descriptions for these instructions.
978         Update move patterns.
979         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
980         TYPE_FPSTORE.
981
982 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
983
984         * tree-vect-transform.c (get_initial_def_for_induction): Replace
985         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
986         (get_initial_def_for_reduction): Likewise.
987
988 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
989
990         Fix PR tree-optimization/29922
991         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
992         (get_representative): Removed.
993         (value_dies_in_block_x): Update for rvuse removal.
994         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
995         (compute_antic_aux): Handle when PHI nodes appear in
996         non-single-successors.
997         (dump_bitmap_of_names): Removed.
998         (compute_antic_safe): Renamed and removed rvuse calculation.
999         Calculate only antic safe.
1000         (insert_into_preds_of_block): Remove assert.
1001         (execute_pre): Update for renamed functions.
1002         (defer_or_phi_translate_block): New function.
1003
1004 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1005
1006         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1007         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1008         typos.
1009         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1010         Follow spelling conventions.
1011
1012         * tree-data-ref.h: Remove the prototype for analyze_array.
1013
1014 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1015
1016         PR tree-optimization/31041
1017         * tree-vect-transform.c (get_initial_def_for_induction): Call
1018         force_gimple_operand.
1019
1020 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1021
1022         * ipa-type-escape.c (look_for_casts) : Revert code to use
1023         handled_component_p due to ada test a-numaux.adb.
1024
1025 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1026
1027         * final.c (final_scan_insn): Alter the condition of a
1028         conditional trap if we have nonstandard CC.
1029
1030 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1031
1032         * configure.ac: Remove excess quoting from asm line 0 test.
1033         * configure: Rebuilt.
1034
1035 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1036
1037         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1038         * c-common.c (convert_and_check): Move warning logic to...
1039         (warnings_for_convert_and_check): ...here. Define.
1040         * c-common.h (warnings_for_convert_and_check): Declare.
1041
1042 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1043
1044         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1045         (output_call): Likewise.
1046
1047 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1048
1049         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1050
1051 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1052
1053         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1054
1055 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1058         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1059
1060 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1061
1062         PR tree-optimization/31183
1063         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1064         Use double_int instead of unsigned int for representing access_strides.
1065         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1066
1067 2007-03-16  Richard Guenther  <rguenther@suse.de>
1068
1069         PR tree-optimization/31146
1070         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1071         to allow recursion of forward_propagate_addr_expr.
1072         (forward_propagate_addr_into_variable_array_index): Likewise.
1073         (forward_propagate_addr_expr): Likewise.
1074         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1075         (forward_propagate_addr_expr_1): Recurse on simple copies
1076         instead of propagating into them.  Do so for useless conversions
1077         as well.
1078         (forward_propagate_addr_expr): Clean up unused statements after
1079         recursion.
1080
1081 2007-03-16  Richard Guenther  <rguenther@suse.de>
1082
1083         * builtins.c (expand_builtin_cexpi): Use the right argument
1084         for the expansion via cexp.
1085
1086 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1087
1088         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1089         * configure: Rebuilt.
1090
1091 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1092
1093         PR debug/29906
1094         * dwarf2out.c (force_type_die): Adjust comment.
1095         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1096
1097 2007-03-15  DJ Delorie  <dj@redhat.com>
1098
1099         * config/frv/predicates.md (minmax_operator): Don't check operands
1100         here.
1101
1102 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1103
1104         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1105         Update constant estimates of number of iterations.
1106         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1107         argument renamed to "realistic".
1108         (compute_estimated_nb_iterations): Removed.
1109         (record_niter_bound): New function.
1110         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1111         call record_nonwrapping_iv with upper = false.
1112         (infer_loop_bounds_from_signedness): Pass upper argument to
1113         record_nonwrapping_iv.
1114         (estimate_numbers_of_iterations_loop): Do not call
1115         compute_estimated_nb_iterations.  Record estimate based on profile
1116         information.  Initialize the constant estimates of number of
1117         iterations.
1118         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1119         estimates.
1120         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1121         number of iterations is too small.
1122         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1123         (EST_NOT_AVAILABLE): Removed.
1124         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1125         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1126         fields.
1127
1128 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1129
1130         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1131         Handle NE_EXPR guards.
1132
1133 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1134
1135         PR c++/24924
1136         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1137         Set also -pedantic-errors by default for the  preprocessor unless
1138         -fpermissive is given.
1139
1140 2007-03-15  Richard Guenther  <rguenther@suse.de>
1141
1142         PR middle-end/29719
1143         PR middle-end/31161
1144         * builtins.c (expand_builtin_cexpi): As a fallback if we
1145         don't have builtins for sincos or cexp create a function
1146         declaration for cexp and expand to a call to that.
1147         (expand_builtin_int_roundingfn): Always fall
1148         back to floor/ceil and its variants even if they may be
1149         not available.
1150
1151 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1152
1153         PR middle-end/31159
1154         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1155         jump tables, move the call to delete_dead_jumptables from here...
1156         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1157         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1158         don't allow merging of blocks that try_redirect_by_replacing_jump
1159         also does not handle when not optimizing.
1160
1161 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1162             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1163
1164         * config/i386/i386.md (x86_sahf_1): Correctly handle
1165         HAVE_AS_IX86_SAHF.
1166
1167 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         PR target/31167
1170         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1171         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1172         from operand constraints and use "e" constraint instead.
1173         (*subti3_1, *subti3_1 splitter): Ditto.
1174         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1175         operand[1] predicate.
1176
1177 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1178
1179         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1180         arrays, multiply the access strides by the size of the sub-array.
1181         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1182
1183 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1184
1185         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1186         the configured assembler supports the sahf mnemonic.
1187         * configure: Regenerate.
1188         * config.in: Regenerate.
1189
1190         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1191         emit "sahf" or ".byte\t0x9e" as asm template.
1192
1193 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1194
1195         PR 31018
1196         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1197         option to replace hard coded TARGET_xxx in md file.
1198         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1199         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1200         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1201         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1202         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1203         (X86_TUNE_NOT_VECTORMODE): Ditto.
1204         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1205         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1206         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1207         (TUNE_SLOW_IMUL_IMM8): Ditto.
1208         (TUNE_MOVE_M1_VIA_OR): Ditto.
1209         (TUNE_NOT_UNPAIRABLE): Ditto.
1210         (TUNE_NOT_VECTORMODE): Ditto.
1211
1212         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1213         options.
1214
1215         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1216         tuning options instead of hard coded TARGET_xxx.
1217         (fix ssemode peephole2's): Ditto.
1218         (imul peephole2's): Ditto.
1219         (movsi_or): Ditto.
1220         (movdi_or_rex64): Ditto.
1221         (move peephole2): Ditto.
1222         (not peephole2's): Ditto.
1223
1224 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1225
1226         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1227         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1228         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1229         of empty body.
1230         * c-parser.c (c_parser_do_statement): Warn about empty body in
1231         do/while statement.
1232         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1233         * doc/invoke.texi (-Wempty-body): Update documentation.
1234
1235 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1236
1237         PR c/21438
1238         * c-common.h (warn_for_div_by_zero): Declare.
1239         * c-common.c (warn_for_div_by_zero): Define.
1240         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1241         warning.
1242
1243 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1244
1245         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1246         to PREFIX and STANDARD_PREFIX.
1247
1248 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1249             Phil Edwards  <phil@codesourcery.com>
1250
1251         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1252         (__gthread_once_t): Remove busy field for RTPs.
1253         (__GTHREAD_ONCE_INIT): Update accordingly.
1254
1255 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1256
1257         * doc/invoke.texi: Document VxWorks options.
1258
1259 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1260
1261         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1262
1263 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1264
1265         PR tree-optimization/30590
1266         * tree-nrv.c (tree_nrv): Check for the partial update of the
1267         return value.
1268
1269 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1270
1271         * flags.h (flag_random_seed): Remove declaration, in favor of...
1272         * toplev.h (get_random_seed, set_random_seed): ... these.
1273         * tree.c (get_file_function_name): Use the former.
1274         * opts.c (common_handle_option): Use the latter.
1275         * toplev.c
1276
1277 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1278
1279         PR middle-end/31127
1280         * cse.c (cse_find_path): Do not bail out if a basic block that
1281         we already visited now becomes part of a path that starts at a
1282         different basic block.  Just disallow this, to make sure we
1283         visit each basic block at most once.
1284
1285 2007-03-13  Jan Hubicka  <jh@suse.cz>
1286
1287         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1288         when profile esitmate is present, calls with very low frequency are
1289         cold.
1290
1291 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1292
1293         PR tree-optimization/30730
1294         PR tree-optimization/26900
1295         * tree-ssa-loop-niter.c: Include gmp.h.
1296         (bounds): New type.
1297         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1298         split_to_var_and_offset, determine_value_range,
1299         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1300         bound_difference, bounds_add, bounds_negate,
1301         number_of_iterations_ne_max, dump_affine_iv): New functions.
1302         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1303         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1304         difference of initial and final value of control iv to validate
1305         results.
1306         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1307         on the difference of the extremes of the control iv.  Add dumps.
1308         (expand_simple_operations): Handle phi nodes.
1309         (simplify_using_initial_conditions): Do not record used conditions.
1310         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1311         Do not set additional_info.
1312         (implies_nonnegative_p, implies_ge_p): Removed.
1313         (derive_constant_upper_bound): Do not use parameter `additional'.
1314         (record_estimate): Parameter `additional' removed.  Parameter
1315         `i_bound' added.  Do not call derive_constant_upper_bound.
1316         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1317         bound the number of iterations estimate.
1318         (estimate_numbers_of_iterations_loop): Pass the estimate from
1319         the number of iterations analysis to record_estimate.
1320         * tree.h (multiple_of_p): Declare.
1321         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1322         (scev_const_prop): Do not check expression_expensive_p.
1323         * fold-const.c (multiple_of_p): Exported.
1324         * double-int.c (double_int_mask): Exported.
1325         * double-int.h (double_int_mask): Declare.
1326         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1327         field.  Added max field.
1328
1329 2007-03-13  David Taylor  <taylor@candd.org>
1330
1331         PR driver/12448:
1332         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1333         default -MQ.
1334
1335 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1336
1337         PR target/31123
1338         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1339         two unamed patterns.
1340
1341 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1342
1343         * config/i386/i386.opt (mcx16, msahf): New options.
1344         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1345         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1346
1347         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1348         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1349         Output -mcx16 and -msahf options when corresponding bit is set.
1350
1351         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1352         and -msahf options.
1353
1354 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1355
1356         * configure.ac: Test for assembler tolerance to # 0 "".
1357         * configure, config.in: Rebuilt.
1358         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1359
1360 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1361
1362         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1363
1364         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1365         (handle_syscall): Handle direct system calls.
1366         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1367
1368 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1369
1370         * doc/invoke.texi: Fix cpp.info cross-reference.
1371         * doc/passes.texi: Fix gcc.info cross-reference.
1372
1373 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1374
1375         PR tree-optimization/30835
1376         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1377         bb_for_stmt is not NULL before accessing it.
1378
1379 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1380
1381         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1382         some multilibs.
1383
1384 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1385
1386         PR 30635
1387         * doc/install.texi: Document --enable-stage1-languages
1388
1389 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1390
1391         * tree-pass.h (pass_into_cfg_layout_mode,
1392         pass_outof_cfg_layout_mode): Declare.
1393         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1394         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1395         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1396         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1397
1398 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1399
1400         * c-decl.c (warn_variable_length_array): New function.
1401         Refactored from grokdeclarator to handle warn_vla
1402         and handle unnamed array case.
1403         (grokdeclarator): Refactored VLA warning case.
1404         * c.opt (Wvla): New flag.
1405         * doc/invoke.texi (Wvla): New warning.
1406
1407 2007-03-12  Richard Henderson  <rth@redhat.com>
1408
1409         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1410         (TARGET_SECTION_TYPE_FLAGS): New.
1411
1412 2007-03-12  Richard Henderson  <rth@redhat.com>
1413
1414         * config/darwin.c (machopic_reloc_rw_mask): New.
1415         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1416         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1417
1418 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1419
1420         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1421         * cppdefault.h (cpp_PREFIX): Document.
1422         (cpp_PREFIX_len): Likewise.
1423         (cpp_EXEC_PREFIX): New variable.
1424         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1425         * c-incpath.c (add_standard_paths): Correct logic for relocating
1426         paths within prefix.
1427
1428 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1429
1430         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1431         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1432         mode macro.
1433         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1434         fix_truncdfdi_sse using SSEMODEF mode macro.
1435         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1436         fix_truncdfsi_sse using SSEMODEF mode macro.
1437         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1438         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1439
1440 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1441
1442         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1443         elfos.h to tm_file.
1444
1445 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1446
1447         * tree.h : Add multiple_of_p declaration.
1448         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1449         * ipa-type-escape.c (results_of_malloc): Redundant.
1450         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1451         (cast_type): Extended with new members.
1452         (check_cast): Returns cast_type.
1453         (cast): New structure for data of walk_use_def_chains.
1454         (is_malloc_result, is_cast_from_non_pointer_1,
1455         is_cast_from_non_pointer,
1456         is_array_access_through_pointer_and_index): New functions.
1457         (look_for_casts): Returns cast types.
1458         (check_call): Returns void.
1459         (okay_pointer_operation): Use support of pointer plus index,
1460         pointer plus constant and allow all multiplications.
1461
1462 2007-03-11  Richard Guenther  <rguenther@suse.de>
1463
1464         PR tree-optimization/31115
1465         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1466         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1467         A shift count of zero is not special as with *_DIV_EXPR.
1468         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1469         direction.
1470
1471 2007-03-11  Ian Lance Taylor  <iant@google.com>
1472
1473         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1474         the *_DIV_EXPR codes correctly with overflow infinities.
1475
1476 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1477
1478         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1479         indicate success/failure of the analysis. Add negation to subtrahend
1480         in case of subtraction. Fail if both operands contain constants.
1481         (create_data_ref): Fail if analyze_offset fails.
1482
1483 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1484
1485         * config/i386/i386.md (frndintxf2): Rename to ...
1486         (rintxf2): ... this. Remove expander having same name.
1487         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1488         (roundsf2, rounddf2): Ditto.
1489         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1490         (lround<mode>di2, lround<mode>si2): Ditto.
1491
1492 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1493
1494         * lower-subreg.c: Include except.h.
1495         (decompose_multiword_subregs): Verify that the only control flow
1496         insns we can split are loads to multi-words pseudos.
1497         Handle breaking such blocks after splitting, instead of calling
1498         find_many_sub_basic_blocks.
1499
1500         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1501         on the new basic block.  Add a lengthy comment explaining why we
1502         thought this was necessary.
1503         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1504
1505 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1506
1507         PR c++/30924
1508         * tree.c (walk_type_fields): Recurse into the element type of
1509         ARRAY_TYPEs if there is a pointer set.
1510
1511 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1512
1513         * c-common.c (warn_logical_operator): Fix condition.
1514
1515 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1516
1517         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1518         quotation mark.
1519         * config/darwin.c (machopic_select_section): Remove superfluous
1520         argument in call to categorize_decl_for_section.  Remove unused
1521         variable shlib.
1522
1523 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1524
1525         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1526         defined.
1527         * configure: Regenerate.
1528
1529 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1530
1531         PR target/31101
1532         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1533         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1534         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1535         Add LABEL_NUSES to emitted label.
1536         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1537         branch probability value to emitted jump insn.
1538         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1539         Do not check life information and do not re-arrange input operands
1540         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1541
1542 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1543
1544         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1545         the change of decode_asm_operands.
1546
1547 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1548
1549         * mode-switching.c (create_pre_exit): Skip blockage insn.
1550
1551 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1552
1553         * tree-pass.h (TODO_update_smt_usage): Remove.
1554         Update all users.
1555         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1556         argument SOME.
1557         Update all users.
1558
1559 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1560
1561         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1562         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1563         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1564         SOM target.
1565
1566 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1567
1568         * gcc.c: Document %{, in big comment at top.
1569         (input_suffix_matches): Remove special handling for .s and
1570         .S.
1571         (input_spec_matches): New.
1572         (handle_braces): Handle %{,.
1573         (validate_switches): ',' indicates a value which is not a switch.
1574         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1575         to detect assembler input.
1576         * config/i386/sol2.h (CPP_SPEC): Likewise.
1577         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1578         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1579         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1580         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1581         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1582         -m64 causes deployment target to default to 10.5.
1583         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1584
1585 2007-03-09  Richard Henderson  <rth@redhat.com>
1586
1587         PR target/26090
1588         * target.h (targetm.asm.out.reloc_rw_mask): New.
1589         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1590         (TARGET_ASM_OUT): Use it.
1591         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1592         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1593         use the new reloc_rw_mask target hook instead.
1594         (default_section_type_flags_1): Merge into...
1595         (default_section_type_flags): ... here.
1596         (decl_readonly_section_1): Merge into...
1597         (decl_readonly_section): ... here.
1598         (default_elf_select_section_1): Merge into...
1599         (default_elf_select_section): ... here.
1600         (default_unique_section_1): Merge into...
1601         (default_unique_section): ... here.
1602         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1603         (default_select_rtx_section): Use it.
1604         (default_elf_select_rtx_section): Likewise.
1605         * output.h: Update to match.
1606         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1607         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1608         (TARGET_ASM_RELOC_RW_MASK): New.
1609         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1610         to categorize_decl_for_section.
1611         (x86_64_elf_unique_section): Likewise.
1612         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1613         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1614         (TARGET_ASM_RELOC_RW_MASK): New.
1615         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1616         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1617         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1618         (TARGET_RWRELOC): Remove.
1619         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1620         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1621         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1622         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1623         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1624         (rs6000_xcoff_select_section): Use decl_readonly_section.
1625         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1626         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1627         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1628         (TARGET_SECTION_TYPE_FLAGS): Remove.
1629         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1630
1631 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1632
1633         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1634         complex constant equality/inequality comparisons for here.
1635         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1636         known at compile-time or can be simplified to a scalar comparison.
1637         (fold_relational_const): Move compile-time evaluation of complex
1638         constant equality/inequality comparisons to here.
1639
1640 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1641
1642         PR rtl-optimization/30643
1643         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1644         dest_addr_elt.
1645         (fold_rtx): Recurse, like before 2006-11-03.
1646
1647 2007-03-09  DJ Delorie  <dj@redhat.com>
1648
1649         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1650         m32c-pragma.o.
1651
1652 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1653
1654         PR tree-optimization/30375
1655         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1656         LHS of statements is not the same.
1657         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1658
1659 2007-03-09  Chao-ying Fu  <fu@mips.com>
1660
1661         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1662         REV 2.
1663         * doc/invoke.texi (-mdspr2): Document new option.
1664         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1665         New unspec for DSP REV 2.
1666         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1667         these instructions are extended in DSP REV 2.
1668         (mips-dspr2.md): Include.
1669         * config/mips/mips.opt (mdspr2): New option.
1670         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1671         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1672         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1673         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1674         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1675         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1676         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1677         and 2 builtins.
1678         (bdesc_map): Add one field of unsupported_target_flags.
1679         (bdesc_arrays):  Update entries to have extra fields.  Add
1680         dsp_32only_bdesc.
1681         (mips_init_builtins): Initialize new function types.
1682         Check unsupported_target_fileds to filter out builtins.
1683         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1684         TARGET_DSPR2.
1685         (ASM_SPEC): Pass mdspr2 to the assembler.
1686         * config/mips/mips-dspr2.md: New file.
1687
1688 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1689
1690         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1691
1692 2007-03-09  Ian Lance Taylor  <iant@google.com>
1693
1694         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1695         argument) like -Wstrict-overflow=2.
1696         * doc/invoke.texi (Warning Options): Update documentation.
1697
1698 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1699
1700         PR c++/17946
1701         * doc/invoke.texi (-Wlogical-op): Document.
1702         * common.opt (-Wlogical-op): New.
1703         * c-common.h (warn_logical_operator): Declare.
1704         * c-common.c (warn_logical_operator): Define.
1705         * c-typeck.c (parser_build_binary_op): Call
1706         warn_logical_operator.
1707
1708 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1709
1710         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1711         * final.c (final_scan_insn): Test for non-"" file name.
1712
1713 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1714
1715         * doc/loop.texi: Document the Omega linear constraints solver.
1716         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1717         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1718         omega-hash-table-size, omega-max-keys, and
1719         omega-eliminate-redundant-constraints.
1720         * tree-pass.h (pass_check_data_deps): Declared.
1721         * omega.c: New.
1722         * omega.h: New.
1723         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1724         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1725         pass_check_data_deps): New.
1726         * tree-data-ref.c (init_data_ref): Remove declaration.
1727         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1728         (analyze_array): Renamed init_array_ref, move up initializations.
1729         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1730         Removed arguments that are set to NULL.
1731         (analyze_indirect_ref): Correct indentation, correct call to
1732         init_pointer_ref.
1733         (object_analysis): Call init_array_ref instead of analyze_array.
1734         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1735         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1736         of DR_ACCESS_FNS_ADDR.
1737         (init_omega_eq_with_af, omega_extract_distance_vectors,
1738         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1739         ddr_consistent_p): New.
1740         (compute_affine_dependence): Check consistency of ddrs when
1741         flag_check_data_deps is passed.
1742         (analyze_all_data_dependences): Uncomment.
1743         (tree_check_data_deps): New.
1744         * tree-data-ref.h: Include omega.h.
1745         (DR_ACCESS_FNS_ADDR): Removed.
1746         (data_dependence_relation): Add inner_loop.
1747         (DDR_INNER_LOOP): New.
1748         * common.opt (fcheck-data-deps): New.
1749         * tree-flow.h (tree_check_data_deps): Declare.
1750         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1751         (OBJS-common): Depend on omega.o.
1752         (omega.o): Define.
1753         * passes.c (pass_check_data_deps): Scheduled.
1754         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1755         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1756         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1757         PARAM_VECT_MAX_VERSION_CHECKS,
1758         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1759
1760 2007-03-09  Richard Guenther  <rguenther@suse.de>
1761
1762         PR tree-optimization/30904
1763         PR middle-end/31058
1764         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1765         the same way as *_DIV_EXPR.
1766
1767 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1768
1769         * recog.c (decode_asm_operands): No mixed declarations and code.
1770
1771 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1772
1773         * rtl.def (ASM_INPUT): Add location.
1774         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1775         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1776         (decode_asm_operands): Add loc operand.
1777         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1778         * stmt.c (expand_asm): Rename to...
1779         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1780         gen_rtx_ASM_INPUT_loc.
1781         (expand_asm_expr): Adjust.
1782         * recog.c (decode_asm_operands): Add loc operand.
1783         (check_asm_operands, extract_insn): Adjust.
1784         * reload1.c (maybe_fix_stack_asms): Likewise.
1785         * final.c (asm_insn_count): Likewise.
1786         (final_scan_insn): Output # line before and after asm.
1787
1788 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1789
1790         * tree-ssa-structalias.c (variable_info): Remove
1791         finished_solution.
1792         (new_var_info): Ditto.
1793         (shared_bitmap_info_t): New structure.
1794         (shared_bitmap_table): New variable.
1795         (shared_bitmap_hash): New function.
1796         (shared_bitmap_eq): Ditto
1797         (shared_bitmap_lookup): Ditto.
1798         (shared_bitmap_add): Ditto.
1799         (merge_smts_into): Change to take bitmap directly.
1800         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1801         (init_alias_vars): Init shared bitmap hashtable.
1802         (delete_points_to_sets): Delete shared bitmap hashtable.
1803         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1804         is_aliased removal as a change that was still necessary was
1805         deleted.
1806
1807 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1808
1809         * config/i386/i386.h (override_options): Conditionally disable
1810         x86_sahf for 64bit targets only.
1811
1812 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1813
1814         PR C/31072
1815         * c-decl.c (merge_decls): Don't call make_var_volatile.
1816         * varasm.c (make_var_volatile): Remove.
1817         * output.h (make_var_volatile): Remove.
1818
1819 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1820
1821         PR tree-optimization/31085
1822         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1823
1824 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1825
1826         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1827         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1828         ATTR_CONST_NOTHROW_LIST.
1829
1830         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1831         FIX_TRUNC_EXPR.
1832
1833 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1834
1835         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1836
1837 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1838
1839         PR 31013
1840         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1841         is declared.
1842         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1843         passed, use shared libgcc.
1844
1845 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1846
1847         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1848         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1849         (honor_protect_cleanup_actions, lower_try_finally_switch):
1850         Likewise.
1851         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1852         ifc_temp_var): Likewise.
1853         * tree-inline.c (setup_one_parameter): Likewise.
1854         * tree-mudflap.c (mf_decl_cache_locals,
1855         mf_build_check_statement_for): Likewise.
1856         * tree-nested.c (init_tmp_var, save_tmp_var,
1857         finalize_nesting_tree_1): Likewise.
1858         * tree-outof-ssa.c (insert_copy_on_edge,
1859         insert_backedge_copies): Likewise.
1860         * tree-profile.c (tree_gen_edge_profiler,
1861         tree_gen_ic_profiler): Likewise.
1862         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1863         * tree-sra.c (sra_build_assignment): Likewise.
1864         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1865         * tree-ssa-math-opts.c (insert_reciprocals,
1866         execute_cse_sincos_1): Likewise.
1867         * tree-tailcall.c (adjust_accumulator_values,
1868         adjust_return_value): Likewise.
1869         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1870         * tree-vect-transform.c (vect_create_data_ref_ptr,
1871         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1872         vect_create_epilog_for_reduction, vectorizable_reduction,
1873         vectorizable_call, vectorizable_conversion,
1874         vectorizable_assignment, vectorizable_operation,
1875         vectorizable_type_demotion, vect_gen_widened_results_half,
1876         vect_permute_store_chain, vectorizable_store,
1877         vect_setup_realignment, vect_permute_load_chain,
1878         vectorizable_load, vectorizable_condition,
1879         vect_create_cond_for_align_checks): Likewise.
1880         * tree-vrp.c (build_assert_expr_for): Likewise.
1881
1882 2007-03-08  Ian Lance Taylor  <iant@google.com>
1883
1884         * tree-vrp.c: Include "intl.h".
1885         (usable_range_p): New static function.
1886         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1887         overflowed values, juts set *strict_overflow_p.
1888         (compare_values): Only return -2 if one of the operands is not a
1889         constant.
1890         (compare_ranges): Call usable_range_p.
1891         (compare_range_with_value): Likewise.
1892         (vrp_evaluate_conditional_warnv): Rename from
1893         vrp_evaluate_conditional.  Make static.  Change all callers.
1894         (vrp_evaluate_conditional): New function.
1895         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1896         on signed overflow.
1897         (simplify_abs_using_ranges): Likewise.
1898         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1899         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1900         within_stmt parameter.
1901         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1902         vrp_evaluate_conditional.
1903         * tree-ssa-threadedge.c
1904         (record_temporary_equivalences_from_stmts_at_dest): Change
1905         simplify parameter to take a second tree parameter.
1906         (simplify_control_stmt_condition): Likewise.
1907         (thread_across_edge): Likewise.
1908         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1909         (thread_across_edge): Likewise.
1910         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1911
1912 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1913
1914         * config/i386/i386.h (TARGET_SAHF): New define.
1915         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1916         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1917         (x86_sahf): New global variable.
1918         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1919         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1920         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1921         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1922         for 64-bit.
1923         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1924         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1925         when expanding fcomi/sahf based tests.
1926         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1927         expanding sahf based alternative. Emit sahf based sequence when
1928         optimizing for code size.
1929         * config/i386/i386.md (x86_sahf_1): Do not disable for
1930         TARGET_64BIT, enable for TARGET_SAHF.
1931
1932 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1933
1934         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1935         spurious whitespace from error message.
1936
1937 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1938
1939         PR c++/30852
1940         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1941
1942 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1943
1944         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1945         bitfields.
1946         * tree-sra.c (instantiate_element): Propagate disabled warnings
1947         from the element itself to the created variable.
1948
1949 2007-03-07  Richard Henderson  <rth@redhat.com>
1950
1951         PR target/30848
1952         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1953         silently fix up the stack in the case of a missing register.
1954
1955 2007-03-07  Paul Brook  <paul@codesourcery.com>
1956
1957         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1958
1959 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1960
1961         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1962         New.
1963         (phase1_vrs): Use them.
1964         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1965         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1966         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1967         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1968         __gnu_Unwind_Restore_WMMXC if required.
1969         (_Unwind_VRS_Pop): Implement iWMMXt support.
1970         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1971         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1972         gnu_Unwind_Save_WMMXC): Define.
1973
1974 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1975
1976         * config/vxworks.h (vxworks_override_options): Declare.
1977         (VXWORKS_OVERRIDE_OPTIONS): Use it.
1978         * config/vxworks.c: Include target.h and toplev.h.
1979         (vxworks_override_options): New function.
1980         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1981
1982 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1983
1984         * config/s390/s390.c (override_options): Don't emit an error when
1985         -mstack-size is used without providing -mstack-guard.
1986         (s390_emit_prologue): Choose stack_guard value automatically if not
1987         provided via command line.
1988         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1989
1990 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1991
1992         * config/i386/i386.c (output_set_got): Add a GOT initialization
1993         sequence for VxWorks PIC.
1994         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1995         around labels as well as symbols.  Use gotoff_operand instead
1996         of local_symbolic_operand.
1997         (legitimize_pic_address): Use gotoff_operand instead of
1998         local_symbolic_operand.  Use @GOT accesses for labels as
1999         well as symbols.
2000         (ix86_output_addr_diff_elt): Use PC-relative rather than
2001         GP-relative offsets for VxWorks PIC.
2002         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2003         no_new_pseudos.  Check whether the returned register is op0.
2004         * config/i386/i386.md (tablejump): Use PC-relative rather than
2005         GP-relative offsets for VxWorks PIC.
2006         * config/i386/predicates.md (gotoff_operand): New predicate.
2007
2008 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2009
2010         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2011         before defining.
2012         * config/vxworks-dummy.h: New file.
2013         * config/i386/i386.h: Include it.
2014
2015 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2016
2017         * dwarf2out.c (is_inlined_entry_point): New
2018         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2019         DW_AT_ranges if the first subblock is the entry point.
2020
2021 2007-03-06  David Daney  <ddaney@avtrex.com>
2022
2023         * doc/install.texi (mips-*-*): Change recommended binutils
2024         version.
2025
2026 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2027
2028         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2029         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2030         devices.
2031         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2032         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2033
2034 2007-03-06  Jan Hubicka  <jh@suse.cz>
2035
2036         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2037         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2038         are hot.
2039         (probably_cold_bb_p): Cold functions are cold.
2040         (probably_never_executed_bb_p): Cold functions are cold.
2041         (tree_bb_level_predictions): Predict calls to cold functions as not
2042         taken.
2043         (compute_function_frequency): Check hot/cold attributes.
2044         * function.h (function_frequency): Update comments.
2045         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2046         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2047         (c_common_att): Add cold and hot.
2048
2049         * doc/extend.texi (hot,cold attributes): Document.
2050
2051 2007-03-06  Andrew Haley  <aph@redhat.com>
2052
2053         * function.c (expand_function_end): Move blockage to just after we
2054         emit the label for the naked return from the function.
2055
2056 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2057
2058         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2059         before redefining.
2060
2061 2007-03-06  Jan Hubicka  <jh@suse.cz>
2062
2063         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2064         loaded for constant large models.  Non-large 64bit PIC can do.
2065         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2066         * cmodel.h: Add LARGE PIC.
2067         * i386.md (UNSPEC_PLTOFF): New.
2068         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2069         needed.
2070         (*call_1_rex64): Disable for large models.
2071         (*call_1_rex64_large): New.
2072         (*call_value_1_rex64): Disable for large models.
2073         (*call_value_1_rex64_large): New.
2074         (set_rip_rex4): New.
2075         (set_got_offset_rex64): New.
2076         * predicates.md (constant_call_address_operand): For large model
2077         constant calls are not possible.
2078         * i386-protos.h (construct_plt_address): Declare.
2079         * i386.c (override_options): Accept large models.
2080         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2081         (legitimate_constant_p): Add new UNSPECs.
2082         (legitimate_pic_operand_p): Likewise.
2083         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2084         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2085         non-large model.
2086         (output_pic_addr_const): Add PLTOFF.
2087         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2088         (ix86_expand_move): Legitimize pic address when in PIC mode.
2089         (construct_plt_address): New function.
2090         (ix86_expand_call): Offload the address to register and use GOT pointer
2091         for large model.
2092         * invoke.texi (mcmodel=large): Update documentation.
2093
2094 2007-03-06  Richard Henderson  <rth@redhat.com>
2095
2096         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2097         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2098         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2099         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2100         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2101         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2102         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2103         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2104         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2105         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2106         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2107         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2108         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2109         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2110         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2111         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2112         x86_schedule, x86_use_bt, x86_pad_returns,
2113         x86_use_xchgb): Merge into ...
2114         (ix86_tune_features): ... here.  New array.
2115         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2116         x86_bswap): Merge into ...
2117         (ix86_arch_features): ... here.  New array.
2118         (x86_3dnow_a): Remove.
2119         (x86_accumulate_outgoing_args): Make static.
2120         (x86_arch_always_fancy_math_387): Make static.
2121         (ix86_tune_mask, ix86_arch_mask): Move ...
2122         (override_options): ... to local variables here.  Apply the
2123         appropriate mask to each element of ix86_arch_features and
2124         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2125         as were done in the old macros.
2126         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2127         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2128         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2129         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2130         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2131         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2132         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2133         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2134         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2135         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2136         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2137         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2138         x86_accumulate_outgoing_args, x86_prologue_using_move,
2139         x86_epilogue_using_move, x86_decompose_lea,
2140         x86_arch_always_fancy_math_387, x86_shift1,
2141         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2142         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2143         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2144         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2145         x86_use_incdec, x86_pad_returns, x86_bswap,
2146         x86_partial_flag_reg_stall): Remove.
2147         (enum ix86_tune_indices): New.
2148         (ix86_tune_features): New.
2149         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2150         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2151         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2152         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2153         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2154         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2155         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2156         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2157         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2158         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2159         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2160         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2161         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2162         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2163         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2164         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2165         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2166         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2167         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2168         TARGET_EXT_80387_CONSTANTS): Use it.
2169         (enum ix86_arch_indices): New.
2170         (ix86_arch_features): New.
2171         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2172         TARGET_BSWAP): Use it.
2173         (ix86_tune_mask, ix86_arch_mask): Remove.
2174
2175 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2176
2177         PR bootstrap/31020
2178         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2179         Define using $${sysroot_headers_suffix}.
2180         * configure: Regenerate.
2181         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2182         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2183         defined.
2184         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2185         * gcc.c (print_sysroot_headers_suffix): New.
2186         (option_map): Include --print-sysroot-headers-suffix.
2187         (display_help): Mention -print-sysroot-headers-suffix.
2188         (process_command): Handle -print-sysroot-headers-suffix.
2189         (do_spec_1): Append multilib directory to include-fixed path if
2190         sysroot suffixes in use.
2191         (main): Handle -print-sysroot-headers-suffix.
2192         * Makefile.in (start.encap): Don't depend on xlimits.h
2193         (xlimits.h): Remove.
2194         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2195         limits.h for each multilib in fixinc_list.
2196         (fixinc_list, s-fixinc_list): New.
2197         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2198         generate them for each multilib in fixinc_list.
2199         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2200         multilib in fixinc_list.
2201         (mostlyclean): Don't remove xlimits.h.
2202         (clean): Remove include-fixed.
2203         (real-install-headers-tar, real-install-headers-cpio,
2204         real-install-headers-cp): Don't copy include, only include-fixed.
2205         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2206         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2207         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2208         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2209
2210 2007-03-06  Jan Hubicka  <jh@suse.cz>
2211
2212         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2213         NANs easilly.
2214
2215 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2216
2217         * configure.ac: Allow tm_file to contain build-directory files.
2218         * configure: Regenerate.
2219         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2220         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2221         * config/m68k/print-sysroot-suffix.sh: New file.
2222
2223 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2224
2225         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2226         of pic_offset_table_rtx if reload_completed.
2227         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2228         PIC_OFFSET_TABLE_REGNUM.
2229         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2230         return true.
2231         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2232         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2233
2234 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2235
2236         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2237         functions that call eh_return.
2238
2239 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2240
2241         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2242         functions that need a constant pool.
2243
2244 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2245
2246         PR target/28181
2247         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2248         (m68k_preferred_reload_class): Likewise.
2249         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2250         (SECONDARY_RELOAD_CLASS): Define.
2251         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2252         (LIMIT_RELOAD_CLASS): Delete.
2253         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2254         registers from storing bytes.
2255         (m68k_secondary_reload_class): New function.
2256         (m68k_preferred_reload_class): Likewise.
2257
2258 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2259
2260         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2261         leaf functions.
2262         (m68k_expand_prologue): Likewise.
2263
2264 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2265
2266         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2267         (mips_expand_epilogue): Add a bool parameter.
2268         (m68k_legitimize_sibcall_address): Declare.
2269         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2270         (m68k_expand_epilogue): Add a parameter to select between sibling
2271         and normal epilogues.  Only generate a return for the latter.
2272         (m68k_ok_for_sibcall_p): New function.
2273         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2274         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2275         (sibcall_value, *sibcall_value): Likewise.
2276         (*call, *call_value): Require !SIBLING_CALL_P.
2277         (epilogue): Update call to m68k_expand_epilogue.
2278         (sibcall_epilogue): New pattern.
2279         * config/m68k/predicates.md (const_call_operand): Say that this
2280         predicate applies to sibling calls too.
2281         (sibcall_operand): New predicate.
2282
2283 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2284
2285         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2286         alternatives as movsi_cf.
2287         (movsf_cf_hard): Add commentary.
2288
2289 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2290             Richard Sandiford  <richard@codesourcery.com>
2291
2292         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2293         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2294         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2295         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2296         as being live on exit from an interrupt function.
2297         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2298         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2299         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2300         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2301         (m68k_interrupt_function_p): Globalize.
2302         (m68k_compute_frame_layout): Remove reverse mask code.
2303         (m68k_emit_movem, m68k_set_frame_related): New functions.
2304         (m68k_output_function_prologue): Delete in favor of...
2305         (m68k_expand_prologue): ...this new function.
2306         (m68k_output_function_epilogue): Delete in favor of...
2307         (m68k_expand_epilogue): ...this new function.
2308         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2309         functions.
2310         (print_operand): Handle %?.
2311         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2312         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2313         (prologue, epilogue): New patterns.
2314         (return): Turn into a define_expand.
2315         (*return): New pattern, derived from old "return" pattern.  Use rte
2316         rather than rts for interrupt functions.  Only use rtd if the pop
2317         count is nonzero.
2318         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2319         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2320         (link, *link, unlink, *unlink, load_got): Likewise.
2321
2322 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2323
2324         PR target/23482
2325         PR target/17114
2326         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2327         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2328         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2329         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2330         and m68k_matches_u_p.
2331         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2332         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2333         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2334         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2335         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2336         (REG_STRICT_P): New macro.
2337         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2338         PCREL_GENERAL_OPERAND_OK.
2339         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2340         m68k_legitimate_base_reg_p.
2341         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2342         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2343         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2344         * config/m68k/m68k.c (m68k_address): New structure.
2345         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2346         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2347         (m68k_jump_table_ref_p, m68k_decompose_address)
2348         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2349         (m68k_matches_u_p): New functions.
2350         (print_operand_address): Rewrite to use m68k_decompose_index.
2351
2352 2007-03-05  David Taylor  <dtaylor@emc.com>
2353
2354         * gcc.c: Correct copyright date in --version output.
2355
2356 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2357
2358         * pa.md: In unamed move patterns, disparge copies between general
2359         and floating point registers using '?' modifier.  Don't include 'f'
2360         constraint for register preferences in DImode, SImode, HImode and
2361         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2362         Remove constraints for copies between general and floating registers
2363         in soft-float DFmode pattern.
2364         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2365         floating register.
2366         (movsf): Likewise.
2367
2368 2007-03-05  Mike Stump  <mrs@apple.com>
2369
2370         * c-common.c (targetcm): Add.
2371         * c-opts.c (c_common_handle_option): Handle language specific
2372         target options.
2373         * opts.c (handle_option): Verify language for target options, if
2374         any are given.
2375         * opth-gen.awk: Add CL_LANG_ALL.
2376         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2377         (TARGETCM_INITIALIZER): Add.
2378         * target.h (struct gcc_targetcm): Add.
2379         (targetcm): Add.
2380         * targhooks.c (default_handle_c_option): Add.
2381         * targhooks.h (default_handle_c_option): Add.
2382         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2383
2384         * config/darwin.opt (iframework): Add.
2385         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2386         * config/darwin-c.c (handle_c_option): Add.
2387         (TARGET_HANDLE_C_OPTION): Add.
2388         (targetcm): Add.
2389         * doc/invoke.texi (Darwin Options): Add -iframework.
2390
2391 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2392
2393         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2394         conversion.
2395
2396 2007-03-05  Ian Lance Taylor  <iant@google.com>
2397
2398         * c.opt (fgnu89-inline): New option.
2399         * c-opts.c (c_common_post_options): Set default value for
2400         flag_gnu89_inline.
2401         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2402         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2403         inline functions.
2404         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2405         (grokdeclarator, start_function): Likewise.
2406         * c-cppbuiltin.c (c_cpp_builtins): Define either
2407         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2408         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2409         (C Dialect Options): Document -fgnu89-inline.
2410         * doc/extend.texi (Function Attributes): Explain what the
2411         gnu_inline attribute does.
2412         * doc/cpp.texi (Common Predefined Macros): Document
2413         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2414
2415 2007-03-05  Ian Lance Taylor  <iant@google.com>
2416
2417         PR tree-optimization/31034
2418         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2419         half-range if the other side is an overflow infinity.
2420
2421 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2422
2423         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2424         (bfin*-linux-uclibc*): New configuration.
2425         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2426         defining.
2427         * config/bfin/linux.h: New file.
2428         * config/bfin/libgcc-bfin.ver: New file.
2429         * config/bfin/t-bfin-uclinux: New file.
2430         * config/bfin/t-bfin-linux: New file.
2431         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2432         (TARGET_OS_CPP_BUILTINS): New macro.
2433
2434 2007-03-05  Richard Guenther  <rguenther@suse.de>
2435
2436         * fold-const.c (fold_binary): Remove duplicate folding
2437         of comparison of non-null ADDR_EXPR against null.
2438
2439 2007-03-05  Richard Guenther  <rguenther@suse.de>
2440             Dorit Nuzman  <dorit@il.ibm.com>
2441
2442         PR tree-optimization/26420
2443         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2444         are no loops in the function.  Only print the number of
2445         vectorized loops if it is greater than zero or we are supposed
2446         to print information about unvectorized loops.
2447
2448 2007-03-05  Revital Eres  <eres@il.ibm.com>
2449
2450         * gcc.dg/var-expand1.c: New test.
2451         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2452         when an accumulator is expanded.
2453
2454 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2455
2456         PR other/30465
2457         * c-common.c (convert_and_check): Don't give warnings for
2458         conversion if 'expr' already overflowed.
2459
2460 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2461
2462         PR middle-end/30744
2463         * fold-const.c (fold_comparison): Enforce type consistency when
2464         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2465
2466 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2467
2468         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2469         containing a cast to the base of TARGET_MEM_REF.
2470
2471 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2472
2473         * tree.c (tree_contains_struct_check_failed): Remove spurious
2474         whitespace from error message.
2475
2476 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2477
2478         PR target/30406
2479         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2480         instead of precision.
2481
2482 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2483             Nathan Sidwell  <nathan@codesourcery.com>
2484
2485         * emit-rtl.c (find_auto_inc): New.
2486         (try_split): recreate REG_INC notes,
2487         Use regular for loops rather than whiles.
2488
2489 2007-03-03  Andreas Schwab  <schwab@suse.de>
2490
2491         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2492         * configure: Regenerate.
2493
2494 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2495
2496         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2497         flag_rounding_math, not flag_unsafe_math_optimizations.
2498
2499         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2500         fold_build2.
2501         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2502         alpha_fold_vector_minmax): Likewise.
2503         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2504         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2505
2506 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2507
2508         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2509         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2510         if the lhs has side-effects.
2511         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2512
2513 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2514
2515         * config/i386/i386.h (TUNEMASK): Remove define.
2516         (ARCHMASK): Remove define.
2517         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2518          Use ix86_arch_mask variable instead of ARCHMASK.
2519         * config/i386/i386.c (override_options): Ditto.
2520         (standard_80387_constant_p): Ditto.
2521
2522 2007-03-02  Ian Lance Taylor  <iant@google.com>
2523
2524         Used signed infinities in VRP.
2525         * tree-vrp.c (uses_overflow_infinity): New static function.
2526         (supports_overflow_infinity): New static function.
2527         (make_overflow_infinity): New static function.
2528         (negative_overflow_infinity): New static function.
2529         (positive_overflow_infinity): New static function.
2530         (is_negative_overflow_infinity): New static function.
2531         (is_positive_overflow_infinity): New static function.
2532         (is_overflow_infinity): New static function.
2533         (overflow_infinity_range_p): New static function.
2534         (compare_values_warnv): New function split out of compare_values.
2535         (compare_value): Call it.
2536         (set_value_range_to_nonnegative): Add overflow_infinity
2537         parameter.  Change caller.
2538         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2539         Change callers.
2540         (vrp_expr_computes_nonzero): Likewise.
2541         (compare_ranges, compare_range_with_value): Likewise.
2542         (compare_name_with_value, compare_names): Likewise.
2543         (vrp_evaluate_conditional): Likewise.
2544         (set_value_range): Handle infinity
2545         (vrp_operand_equal_p, operand_less_p): Likewise.
2546         (extract_range_from_assert): Likewise.
2547         (vrp_int_const_binop): Likewise.
2548         (extract_range_from_binary_expr): Likewise.
2549         (extract_range_from_unary_expr): Likewise.
2550         (extract_range_from_comparison): Likewise.
2551         (extract_range_from_expr): Likewise.
2552         (dump_value_range): Likewise.
2553         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2554         (test_for_singularity): Likewise.
2555         (vrp_int_const_binop): Remove inline qualifier.
2556         (adjust_range_with_scev): Add comment.
2557         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2558
2559 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2560
2561         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2562         (get_constraint_for): Likewise.
2563         (do_structure_copy): Likewise.
2564         (find_func_aliases): Fix references to MODIFY_EXPR.
2565         (intra_create_variable_infos): Tidy.
2566         * tree-ssa-operands.c (add_virtual_operand): Add argument
2567         IS_CALL_SITE.
2568         When adding members of alias sets, if IS_CALL_SITE is true and
2569         the symbol is not call-clobbered, skip it.
2570         Adjust all callers.
2571
2572 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2573
2574         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2575         entry by means of emit_insn_at_entry.
2576
2577 2007-03-02  Richard Henderson  <rth@redhat.com>
2578
2579         * expr.h (promoted_input_arg): Remove decl.
2580         * function.c (promoted_input_arg): Merge into ...
2581         * combine.c (setup_incoming_promotions): ... only caller.
2582         Rearrange to avoid double loop.
2583
2584 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2585             Peter Bergner  <bergner@vnet.ibm.com>
2586             Janis Johnson  <janis187@us.ibm.com>
2587
2588         * config/rs6000/dfp.md: New file.
2589         * config/rs6000/rs6000.md: Include dfp.md.
2590         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2591         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2592         and TDmode decimal float modes in FP registers.
2593         (num_insns_constant): Likewise.
2594         (rs6000_legitimate_offset_address_p): Likewise.
2595         (rs6000_legitimize_address): Likewise.
2596         (rs6000_legitimize_reload_address): Likewise.
2597         (rs6000_legitimate_address): Likewise.
2598         (rs6000_emit_move): Likewise.
2599         (function_arg_boundary): Likewise.
2600         (function_arg_advance): Likewise.
2601         (rs6000_darwin64_record_arg_recurse): Likewise.
2602         (function_arg): Likewise.
2603         (rs6000_gimplify_va_arg): Likewise.
2604         (rs6000_split_multireg_move): Likewise.
2605         (rs6000_output_function_epilogue): Likewise.
2606         (rs6000_output_function_epilogue): Likewise.
2607         (rs6000_register_move_cost): Likewise.
2608         (rs6000_function_value): Likewise.
2609         (rs6000_libcall_value): Likewise.
2610
2611 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2612
2613         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2614
2615 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2616
2617         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2618         Use $MULTIDIR to choose between the kernel and RTP headers,
2619         and use $WIND_BASE and $WIND_USR to locate them.
2620
2621 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2622
2623         * config/i386/i386.c (override_options): Put initialization of
2624         ix86_tune_mask and ix86_arch_mask to the correct place.
2625
2626 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2627             Michael Meissner  <michael.meissner@amd.com>
2628
2629         PR target/31019
2630         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2631         (ARCHMASK): Define.
2632         (TARGET_CMOVE): Use ARCHMASK.
2633         (TARGET_CMPXCHG): Ditto.
2634         (TARGET_CMPXCHG8B): Ditto.
2635         (TARGET_XADD): Ditto.
2636         (TARGET_BSWAP): Ditto.
2637         * config/i386/i386.c (ix86_tune_mask): New global variable.
2638         (ix86_arch_mask): Ditto.
2639         (override_options): Initialize ix86_tune_mask and
2640         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2641         target_flags.
2642
2643 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2644
2645         PR 30992
2646         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2647
2648 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2649
2650         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2651         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2652         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2653         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2654         hook.
2655         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2656         rs6000_init_dwarf_reg_sizes_extra): New.
2657         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2658         SPE register high parts.
2659
2660 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2661
2662         * Makefile.in: Add install-pdf target as
2663         copied from automake v1.10 rules.
2664         * configure.ac: Add install-pdf to target list.
2665         * configure: Regenerate.
2666
2667 2007-03-01  Paul Brook  <paul@codesourcery.com>
2668
2669         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2670         modes to LDRD for DImode.
2671         (output_move_double): Fixup out of range ldrd/strd.
2672         (vfp_secondary_reload_class): Rename...
2673         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2674         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2675         coproc_secondary_reload_class for CLASS_IWMMXT.
2676         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2677         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2678
2679 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2680
2681         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2682         factor by the estimated number of iterations.
2683         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2684         prefetch latency.
2685
2686         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2687         decode_caches_intel, detect_caches_intel): New functions.
2688         (host_detect_local_cpu): Use detect_caches_amd and
2689         detect_caches_intel.
2690
2691 2007-03-01  Richard Henderson  <rth@redhat.com>
2692
2693         * expr.c (emit_move_complex_push): Export.
2694         (emit_move_complex_parts): Split out from ...
2695         (emit_move_complex): ... here.
2696         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2697         * config/i386/i386.md (movcdi): New.
2698
2699 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2700
2701         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2702         size of mode1 to check for tieable modes in MMX case.
2703
2704 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2705
2706         * Makefile.in (rtlanal.o): Depend on tree.h.
2707         * rtl.h (offset_within_section_p, split_const): Declare.
2708         * rtlanal.c: Include tree.h.
2709         (offset_within_block_p): New function, taken from
2710         mips_offset_within_object_p.
2711         (split_const): New function, taken from mips_split_const.
2712         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2713         Declare.
2714         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2715         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2716         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2717         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2718         (m68k_illegitimate_symbolic_constant_p): New function.
2719         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2720         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2721         symbolic constant that might be outside the symbol's section,
2722         move the symbol first and then add the offset.
2723         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2724         Override.
2725         * config/mips/mips.c (mips_split_const): Delete.
2726         (mips_offset_within_object_p): Delete.
2727         (mips_symbolic_constant_p): Use offset_within_section_p and
2728         split_const instead of mips_offset_within_object_p and
2729         mips_split_const.
2730         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2731         (mips_legitimize_const_move, print_operand_reloc)
2732         (mips_dangerous_for_la25_p): Use split_const instead of
2733         mips_split_const.
2734
2735 2007-02-28  Eric Christopher  <echristo@apple.com>
2736
2737         * Makefile.in (install-include-dir): Don't rm -rf include.
2738
2739 2007-02-28  Richard Guenther  <rguenther@suse.de>
2740
2741         PR middle-end/30364
2742         * fold-const.c (fold_binary): Do not associate expressions
2743         with more than one variable for integer types that do not wrap.
2744
2745 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2746
2747         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2748         Delete, and replace with...
2749         (fold_builtin_call_array): This.  Update callers to use it.
2750         * fold-const.c (fold_build_call_list): Delete, and replace with...
2751         (fold_build_call_array): This.
2752         (fold_build_call_list_initializer): Delete, and replace with...
2753         (fold_build_call_array_initializer): This.
2754         * tree.h: Update declarations to reflect above changes.
2755
2756         * c-typeck.c (build_function_call): Store converted arguments
2757         in a stack-allocated array instead of building a list.
2758         (convert_arguments): Store arguments in the array passed in as an
2759         argument, and return the actual number of arguments.
2760         * c-format.c: (check_function_format): Pass arguments in an
2761         array instead of a list.
2762         * c-common.c (check_function_nonnull): Likewise.
2763         (check_function_sentinel): Likewise.
2764         (check_function_arguments): Likewise.
2765         * c-common.h: Update declarations to reflect above changes.
2766
2767 2007-02-28  Jan Hubicka  <jh@suse.cz>
2768
2769         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2770         PRED_NEGATIVE_RETURN): Update outcomes.
2771
2772 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2773
2774         * calls.c (emit_library_call_value_1): Handle partial registers
2775         correctly when building up CALL_INSN_FUNCTION_USAGE.
2776
2777 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2778
2779         * pa/predicates.md (move_src_operand): Allow zero for mode.
2780         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2781         move pattern.
2782
2783 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2784
2785         PR target/30970
2786         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2787         *movv2df_internal): Enable pattern only for valid operand
2788         combinations.
2789         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2790         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2791
2792 2007-02-27  Mike Stump  <mrs@apple.com>
2793
2794         * config/darwin-crt3.c: Avoid compilation when compiling for a
2795         kext multilib.
2796
2797 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2798
2799         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2800         FIXED_INCLUDE_DIR.
2801         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2802         for fixed headers and limits.h.
2803         (install-include-dir, install-headers-tar, install-headers-cpio,
2804         install-headers-cp, real-install-headers-tar,
2805         real-install-headers-cpio, real-install-headers-cp): Handle
2806         include-fixed as well as include.
2807         (install-mkheaders): Don't install files that go only in include
2808         not include-fixed.
2809         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2810         from GCC_INCLUDE_DIR.
2811         * gcc.c (process_command): Remove special -BstageN/ handling.
2812         (do_spec_1): Add include-fixed directories.
2813
2814 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2815
2816         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2817         _smulsi3_highpart.
2818         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2819         New functions.
2820         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2821         patterns.
2822
2823 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2824
2825         * c-common.c (get_priority): Add check for
2826         SUPPORTS_INIT_PRIORITY.
2827
2828 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2829
2830         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2831
2832         * config/bfin/bfin.c: Include "cfglayout.h".
2833         (MAX_LSETUP_DISTANCE): New macro.
2834         (struct loop_info): New members incoming, incoming_src and
2835         incoming_dest.  Delete member predecessor.
2836         (length_for_loop): New function.
2837         (bfin_optimize_loop): Handle more different loop structures.
2838         (bfin_discover_loop): Rework detection of predecessor blocks by
2839         examining incoming edges.
2840         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2841         bfin_reorg_loops.
2842         (bfin_reorder_loops): New function.
2843         (bfin_reorg_loops): Use these three new functions.
2844
2845         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2846         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2847         (CONSTRAINT_LEN): Add entry for 'q'.
2848         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2849         Add 'q' constraints.
2850         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2851         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2852
2853         * config/bfin/bfin.md (add_with_carry): New pattern.
2854         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2855         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2856         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2857         support unsigned multiplies too.  Removed incorrect commutativity from
2858         operand 1 constraint where appropriate.
2859         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2860         patterns.
2861         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2862         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2863         New patterns.
2864         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2865         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2866         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2867         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2868         usmulhisi_hh_huh): New patterns.
2869
2870         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2871         lshifthi3): Fix output template to use half reg for operand 2.
2872
2873         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2874         instead of R2.
2875
2876         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2877
2878 2007-02-27  Andreas Schwab  <schwab@suse.de>
2879
2880         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2881
2882 2007-02-27  Jan Hubicka  <jh@suse.cz>
2883
2884         * predict.c (last_basic_block_p): Remove.
2885         (tree_estimate_probability): Update return heuristic for commonized
2886         return blocks.
2887
2888 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2889
2890         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2891
2892 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2893
2894         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2895         * doc/cpp.texi: Standardize title page.
2896         * doc/cppinternals.texi: Likewise.
2897         * doc/gcc.texi: Standardize title page, remove version number
2898         from copyright page.
2899         * doc/gccint.texi: Likewise.
2900         * doc/install.texi: Standardize title page, add table of
2901         contents.
2902
2903 2007-02-26  Jan Hubicka  <jh@suse.cz>
2904
2905         * predict.def: Set outcomes according to more recent results.
2906         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2907         Remove dead predictors.
2908         * predict.c (return_prediction): Fix pasto.
2909
2910 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2911
2912         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2913         change; avoid a memory leak when returning early.
2914
2915 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2916
2917         * c-decl.c (static_ctors): Move to c-common.c.
2918         (static_dtors): Likewise.
2919         (finish_function): Use c_record_cdtor_fn.
2920         (build_cdtor): Move to c-common.c.
2921         (c_write_global_declarations): Use c_build_cdtor_fns.
2922         * c-common.h (static_ctors): Declare.
2923         (static_dtors): Likewise.
2924         (c_record_cdtor_fn): Likewise.
2925         (c_build_cdtor_fns): Likewise.
2926         * c-common.c (static_ctors): New variable.
2927         (static_dtors): Likewise.
2928         (c_record_cdtor_fn): New function.
2929         (build_cdtor): Move from c-decl.c
2930         (c_build_cdtor_fns): New function.
2931
2932         * output.h (assemble_addr_to_section): Declare.
2933         (get_cdtor_priority_section): Likewise.
2934         * varasm.c (assemble_addr_to_section): New function.
2935         (get_cdtor_priority_section): Likewise.
2936         (default_named_section_asm_out_destructor): Use them.
2937         (destor_dtor_section_asm_out_destructor): Likewise.
2938         (default_named_section_asm_out_constructor): Likewise.
2939         (default_ctor_section_asm_out_constructor): Likewise.
2940         * config.gcc (*-*-vxworks*): Include vxworks.o.
2941         * config/t-vxworks (vxworks.o): New target.
2942         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2943         (TARGET_ASM_CONSTRUCTOR): Define.
2944         (TARGET_ASM_DESTRUCTOR): Likewise.
2945         (vxworks_asm_out_constructor): Declare.
2946         (vxworks_asm_out_destructor): Likewise.
2947
2948         * c-common.c (get_priority): Check that we have not just an
2949         INTEGER_CST, but an integer constant with integeral type.
2950
2951 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2952
2953         PR tree-optimization/30938
2954         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2955         use &dt[nargs-1] instead of &dt[nargs] in the call to
2956         vect_is_simple_use().
2957
2958 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2959
2960         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2961         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2962         Do not attempt to handle MEM inside auto-inc expressions.
2963         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2964         of a register modified by an auto-inc expression.  However, do handle
2965         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2966         (elimination_effects): Prohibit elimination of a register modified
2967         by an auto-inc expression.  Disable register elimination rules whose
2968         target register is modified by an auto-inc expression with variable
2969         increment.
2970
2971 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2972
2973         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2974         off-by-one error.
2975         (array_at_struct_end_p): New function.
2976         (idx_infer_loop_bounds): Use it.
2977         (estimate_numbers_of_iterations_loop): Export.
2978         * predict.c (predict_loops): Use estimated_loop_iterations_int.
2979         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2980         (tree_estimate_probability): Call record_loop_exits.
2981         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2982         (estimated_loop_iterations, estimated_loop_iterations_int,
2983         estimated_loop_iterations_tree): New functions.
2984         (analyze_siv_subscript_cst_affine,
2985         compute_overlap_steps_for_affine_1_2,
2986         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2987         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2988         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2989         (PRED_LOOP_ITERATIONS_GUESSED): New.
2990         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2991         * cfgloop.h (estimate_numbers_of_iterations_loop,
2992         estimated_loop_iterations_int): Declare.
2993
2994 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
2995
2996         * doc/extend.texi: Document optional priority argument to
2997         constructors and destructors.
2998         * tree.c (init_priority_for_decl): Adjust GTY markers.
2999         (init_ttree): Use priority-info hash functions for
3000         init_priority_for_decl.
3001         (tree_map_eq): Rename to ...
3002         (tree_map_base_eq): ... this.
3003         (tree_map_marked_p): Rename to ...
3004         (tree_map_base_marked_p): ... this.
3005         (tree_map_base_hash): New function.
3006         (decl_init_priority_lookup): Rework.
3007         (decl_fini_priority_lookup): New function.
3008         (decl_priority_info): New function.
3009         (decl_init_priority_insert): Use it.
3010         (decl_fini_priority_insert): Likewise.
3011         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3012         hierarchy.
3013         (decl_restrict_base_insert): Likewise.
3014         (decl_debug_expr_insert): Likewise.
3015         (decl_value_expr_lookup): Likewise.
3016         (decl_value_expr_insert): Likewise.
3017         * tree.h (priority_type): New type.
3018         (decl_init_priority_lookup): Use priority_type.
3019         (decl_fini_priority_lookup): New function.
3020         (decl_init_priority_insert): Use priority_type.
3021         (decl_fini_priority_insert): New function.
3022         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3023         (DECL_INIT_PRIORITY): Likewise.
3024         (SET_DECL_INIT_PRIORITY): Add comment.
3025         (DECL_FINI_PRIORITY): New macro.
3026         (SET_DECL_FINI_PRIORITY): Likewise.
3027         (DEFAULT_INIT_PRIORITY): Document.
3028         (MAX_INIT_PRIORITY): Likewise.
3029         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3030         (tree_map_base): New type.
3031         (tree_map_base_eq): New function.
3032         (tree_map_base_hash): Likewise.
3033         (tree_map_base_marked_p): Likewise.
3034         (tree_map): Inherit from tree_map_base.
3035         (tree_map_eq): Make it a macro.
3036         (tree_map_marked_p): Likewise.
3037         (tree_int_map): Inherit from tree_map_base.
3038         (tree_int_map_eq): Make it a macro.
3039         (tree_int_map_hash): Likewise.
3040         (tree_int_map_marked_p): Likewise.
3041         (tree_priority_map): New type.
3042         (tree_priority_map_eq): New macro.
3043         (tree_priority_map_hash): Likewise.
3044         (tree_priority_map_marked_p): Likewise.
3045         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3046         hierarchy.
3047         (emutls_common_1): Likewise.
3048         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3049         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3050         of tree_map hierarchy.
3051         * tree-cfg.c (move_stmt_r): Likewise.
3052         (new_label_mapper): Likewise.
3053         * c-tree.h (c_expand_body): Move to ...
3054         * c-common.h (c_expand_body): ... here.
3055         * c-decl.c (c_expand_body): Move to ...
3056         * c-common.c (c_expand_body): ... here.
3057         (c_common_attribute_table): Allow 1 argument for the constructor
3058         and destructor attributes.
3059         (get_priority): New function.
3060         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3061         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3062
3063 2007-02-24  Jan Hubicka  <jh@suse.cz>
3064
3065         PR middle-end/30509
3066         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3067
3068 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3069             Jan Hubicka  <jh@suse.cz>
3070
3071         PR target/30778
3072         * i386.c (counter_mode): New function.
3073         (expand_set_or_movmem_via_loop): Use it.
3074         (expand_movmem_epilogue): Likewise; fix pasto.
3075         (ix86_expand_movmem): Do emit guard even for constant counts.
3076         (ix86_expand_setmem): Likewise.
3077
3078 2007-02-25  Nick Clifton  <nickc@redhat.com>
3079
3080         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3081         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3082
3083 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         PR target/30770
3086         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3087         count argument with 0x10, not with 0x16.
3088         (expand_setmem_epilogue): Ditto.
3089
3090 2007-02-24  Mike Stump  <mrs@apple.com>
3091
3092         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3093         symbols.
3094
3095 2007-02-24  Richard Guenther  <rguenther@suse.de>
3096
3097         PR middle-end/30951
3098         * fold-const.c (fold_binary): Fold x +- CST op x for
3099         EQ_EXPR and NE_EXPR.
3100
3101 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3102
3103         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3104
3105 2007-02-24  Jan Hubicka  <jh@suse.cz>
3106
3107         * cgraphunit.c (decide_is_function_needed): Honor
3108         -fkeep-inline-functions.
3109
3110 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3111
3112         * builtins.c (fold_builtin_modf): New.
3113         (fold_builtin_2): Use it.
3114
3115 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3116
3117         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3118         (determine_max_iter): Take additional LOOP arg; all callers changed.
3119         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3120         one using simplifications.
3121         (simplify_using_initial_values): Return if the expression becomes
3122         invalid due to altered regs.
3123
3124 2007-02-23  DJ Delorie  <dj@redhat.com>
3125
3126         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3127
3128 2007-02-23  Mike Stump  <mrs@apple.com>
3129
3130         * tlink.c (scan_linker_output): Parse linker messages from
3131         darwin9's linker better.
3132
3133 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3134
3135         PR debug/29614
3136         * varpool.c (varpool_assemble_pending_decls):  Set
3137         varpool_last_needed_node to null.
3138
3139 2007-02-23  DJ Delorie  <dj@redhat.com>
3140
3141         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3142         alignment bigger than the object file can handle.
3143
3144 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3145
3146         PR target/30825
3147         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3148         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3149         (*movsf_1): Penalize MMX moves.
3150
3151 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3152
3153         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3154         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3155
3156         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3157
3158 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3159
3160         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3161         (fold_builtin_1): Use them.
3162         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3163         BUILT_IN_SIGNIFICAND.
3164
3165 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3166
3167         * config/i386/i386.c (bdesc_1arg): Initialize
3168         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3169         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3170         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3171         and IX86_BUILTIN_MOVSLDUP.
3172
3173 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3174
3175         PR rtl-optimization/30841
3176         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3177
3178 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3179
3180         * builtins.c (fold_builtin_frexp): New.
3181         (fold_builtin_2): Use it.
3182
3183 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3184
3185         * doc/invoke.texi (Spec Files): Document getenv spec function.
3186
3187         * gcc.c (getenv_spec_function): New function.
3188         (static_spec_functions): Add it.
3189         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3190         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3191         header files.
3192
3193 2007-02-22  Michael Matz  <matz@suse.de
3194
3195         PR c++/29433
3196         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3197         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3198
3199 2007-02-22  Ian Lance Taylor  <iant@google.com>
3200
3201         PR debug/30898
3202         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3203         (mem_loc_descriptor): Call it.
3204
3205 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3206             Ira Rosen  <irar@il.ibm.com>
3207
3208         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3209
3210 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3211
3212         PR tree-optimization/30843
3213         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3214         stores only after all the group is vectorized.
3215
3216 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3217
3218         PR tree-optimization/30858
3219         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3220         in the reduction cycle have a single use in the loop.
3221         * tree-vectorizer.h (relevant): Add documentation.
3222
3223 2007-02-20  Mike Stump  <mrs@apple.com>
3224
3225         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3226         * configure: Regenerate.
3227
3228 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3229
3230         Change the defaults of some parameters and options.
3231         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3232         * config/spu/spu.c (spu_optimization_options): Add.
3233         (spu_override_options): Change params in spu_optimization_options.
3234         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3235
3236         Register 127 is only 16 byte aligned when used as a frame pointer.
3237         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3238         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3239         HARD_FRAME_POINTER_REGNUM.
3240         (spu_legitimate_address):  Use regno_aligned_for_reload.
3241         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3242         aligned when frame_pointer_needed is true.
3243         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3244         to 8 bits.
3245         * config/spu/spu.h (INIT_EXPANDERS): Define.
3246
3247         Make sure shift and rotate instructions have valid immediate operands.
3248         * config/spu/predicates.md (spu_shift_operand): Remove.
3249         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3250         * config/spu/constraints.md (W, O): Extend range.
3251         * config/spu/spu.md (umask, nmask): Define.
3252         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3253         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3254         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3255         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3256         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3257         (lshr<mode>3_reg):  Fix rtl description.
3258
3259         Make sure mulhisi immediate operands are valid.
3260         * config/spu/predicates.md (imm_K_operand): Add.
3261         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3262
3263         Generate constants using fsmbi and andi.
3264         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3265         (print_operand, spu_split_immediate, classify_immediate,
3266         fsmbi_const_p): Handle IC_FSMBI2.
3267
3268         Correctly handle a CONST_VECTOR containing symbols.
3269         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3270         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3271         (immediate_load_p): Allow symbols that use 2 instructions to create.
3272         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3273         with symbols when flag_pic is set.
3274         (const_vector_immediate_p): New.
3275         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3276         accept a CONST_VECTOR with symbols.
3277         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3278         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3279         correctly.
3280         * config/spu/spu.md (high, low): Delete.
3281         (low_<mode>): Define.
3282
3283         Remove INTRmode and INTR_REGNUM, which didn't work.
3284         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3285         of INTR_REGNUM.
3286         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3287         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3288         peephole2 pattern): Don't use INTR or 131.
3289         (movintrcc): Delete.
3290         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3291         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3292         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3293         (UNSPEC_SET_INTR): Add.
3294         * config/spu/spu-modes.def (INTR): Remove.
3295
3296         More accurate warnings about run-time relocations.
3297         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3298
3299         Correctly warn about immediate arguments to specific intrinsics.
3300         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3301         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3302         the instruction predicate.
3303
3304         Fix tree check errors with latest update.
3305         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3306         CALL_EXPR_ARG.
3307         (spu_expand_builtin): Use CALL_EXPR_FN.
3308
3309         Add missing specific intrinsics.
3310         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3311         si_bislede.
3312         * config/spu/spu_internals.h: Ditto.
3313
3314         Fix incorrect operand modifiers.
3315         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3316         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3317
3318         Optimize one case of zero_extend of a vec_select.
3319         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3320
3321         Accept any immediate for hbr.
3322         * config/spu/spu.md (hbr):  Change s constraints to i.
3323
3324 2007-02-21  Paul Brook  <paul@codesourcery.com>
3325
3326         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3327         condexec_count when skipping USE and CLOBBER.
3328
3329 2007-02-21  Nick Clifton  <nickc@redhat.com>
3330
3331         * common.opt (Warray-bounds): Add Warning attribute.
3332         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3333         Likewise.
3334         (fsized-zeroes): Add Optimization attribute.
3335         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3336         * c.opt (Wc++0x-compat): Add Warning attribute.
3337
3338 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3339
3340         PR middle-end/30761
3341         * reload1.c (eliminate_regs_in_insn): In the single_set special
3342         case, attempt to re-recognize the insn before falling back to
3343         having reload fix it up.
3344
3345 2007-02-20  Eric Christopher  <echristo@gmail.com>
3346
3347         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3348         Rewrite accordingly.
3349         (frv_read_iacc_argument): Ditto.
3350         (frv_expand_set_builtin): Take a call instead of arglist, update for
3351         above changes.
3352         (frv_expand_unop_builtin): Ditto.
3353         (frv_expand_binop_builtin): Ditto.
3354         (frv_expand_cut_builtin): Ditto.
3355         (frv_expand_binopimm_builtin): Ditto.
3356         (frv_expand_voidbinop_builtin): Ditto.
3357         (frv_expand_int_void2arg): Ditto.
3358         (frv_expand_prefetches): Ditto.
3359         (frv_expand_voidtriop_builtin): Ditto.
3360         (frv_expand_voidaccop_builtin): Ditto.
3361         (frv_expand_load_builtin): Ditto.
3362         (frv_expand_store_builtin): Ditto.
3363         (frv_expand_mdpackh_builtin): Ditto.
3364         (frv_expand_mclracc_builtin): Ditto.
3365         (frv_expand_mrdacc_builtin): Ditto.
3366         (frv_expand_mwtacc_builtin): Ditto.
3367         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3368         calls for above.
3369
3370 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3371
3372         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3373         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3374         cmpb instruction.
3375         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3376         point instructions.
3377         * configure: Regenerate.
3378         * config.in: Regenerate.
3379         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3380         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3381         masks to power6 and power6x and to POWERPC_MASKS.
3382         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3383         _ARCH_PWR6.
3384         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3385         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3386         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3387         Access PROTOTYPE as variable, not mask.
3388
3389 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3390
3391         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3392         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3393         * combine.c (adjust_for_new_dest): Use it.
3394         * postreload.c (reload_combine): Likewise.
3395
3396 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3397
3398         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3399         notes on an insn with multiple sets, even if single_set returns
3400         non-NULL for that insn.
3401
3402 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3403
3404         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3405         scalbn and scalbln.
3406
3407 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3408
3409         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3410         if user didn't pass it.
3411         * config/i386/darwin.h (CC1_SPEC): Likewise.
3412         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3413         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3414         -mmacosx-version-min.
3415
3416 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3417             Uros Bizjak  <ubizjak@gmail.com>
3418
3419         * optabs.h (enum optab_index): Add new OTI_scalb.
3420         (scalb_optab): Define corresponding macro.
3421         * optabs.c (init_optabs): Initialize scalb_optab.
3422         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3423         patterns.
3424         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3425         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3426         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3427         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3428         flag_unsafe_math_optimizations is set.
3429
3430         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3431         to implement scalbf, scalb and scalbl built-ins as inline x87
3432         intrinsics.
3433
3434 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3435             DJ Delorie <dj@redhat.com>
3436
3437         PR other/30824
3438         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3439         (diagnostic_report_diagnostic): ... here, and turn them into real
3440         errors. If warnings are inhibited, no need to do anything.
3441
3442 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3443
3444         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3445         better code generation.
3446
3447 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3448
3449         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3450
3451 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3452
3453         * config/alpha/alpha.c, config/alpha/alpha.md,
3454         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3455         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3456         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3457         config/arm/lib1funcs.asm: Follow spelling conventions.
3458
3459         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3460         config/fr30/fr30.md, config/i386/i386.h,
3461         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3462         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3463         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3464         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3465         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3466         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3467         config/sparc/sparc.c, config/sparc/sparc.h,
3468         config/sparc/sparc.md, config/spu/constraints.md,
3469         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3470         conventions.
3471
3472 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3473
3474         PR target/29943
3475         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3476         alias attribute.
3477
3478 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3479
3480         * doc/invoke.texi (-ftree-lrs): Remove.
3481
3482 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3483
3484         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3485         NULL.
3486
3487 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3488
3489         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3490         new CALL_EXPR_FN macro for retrieving the function
3491         declaration of the input expression.
3492
3493 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3494
3495         * c.opt (Waddress): New.
3496         * common.opt (Walways-true): Delete.
3497         (Wstring-literal-comparison): Delete.
3498         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3499         -Wstring-literal-comparison. Add -Waddress.
3500         (Waddress): New.
3501         (Walways-true): Delete.
3502         (Wstring-literal-comparison): Delete.
3503         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3504         consistently instead of -Walways-true in example.
3505         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3506         * c-typeck.c (parser_build_binary_op): Replace
3507         -Wstring-literal-comparison and -Walways-true with -Waddress.
3508         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3509         with -Waddress.
3510
3511 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3512
3513         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3514         without DECL_STRUCT_FUNCTION initialized.
3515
3516 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3517
3518         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3519         due to calls to functions taking pointers as parameters.
3520
3521 2007-02-19  Richard Henderson  <rth@redhat.com>
3522
3523         PR debug/29558
3524         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3525         in memory.
3526
3527 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3528
3529         * config/s390/s390.c (s390_call_saved_register_used,
3530         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3531         accessed to the new scheme.
3532
3533 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3534
3535         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3536         (cris_print_index, cris_print_operand, cris_print_operand_address)
3537         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3538         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3539         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3540         GET_CODE () == xxx.
3541         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3542         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3543         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3544         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3545         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3546         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3547         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3548         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3549         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3550         (uminsi3, call, call_value): Ditto.
3551         (define_split: indir_to_reg_split, unnamed): Ditto.
3552
3553 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3554
3555         PR tree-optimization/30975
3556         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3557         wrong assert.
3558
3559 2007-02-18  Eric Christopher  <echristo@gmail.com>
3560
3561         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3562         Remove use of arglist.
3563         (mips_expand_builtin): Remove use of arglist, pass in expr.
3564         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3565         (mips_expand_builtin_movtf): Ditto.
3566         (mips_expand_builtin_compare): Ditto.
3567
3568 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3569
3570         * tree-sra.c (sra_build_assignment): Replace assertion
3571         checking with a comment explaining why it can't be done.
3572
3573 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3574
3575         PR middle-end/30833
3576         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3577         during CALL_EXPR representation conversion.
3578         * tree-ssa-propagate.c (set_rhs): Likewise.
3579
3580 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3581
3582         * tree-sra.c (sra_build_assignment): Disable assertion checking
3583         for now.
3584
3585 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3586
3587         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3588         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3589         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3590         Likewise.
3591         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3592         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3593         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3594         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3595         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3596         force_gimple_operand): Likewise.
3597         * ipa-cp.c (constant_val_insert): Likewise.
3598         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3599         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3600         perfect_nestify): Likewise.
3601         * langhooks.c (lhd_omp_assignment): Likewise.
3602         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3603         lower_copyprivate_clauses, lower_send_clauses,
3604         lower_send_shared_vars, expand_parallel_call,
3605         expand_omp_for_generic, expand_omp_for_static_nochunk,
3606         expand_omp_for_static_chunk, expand_omp_sections,
3607         lower_omp_single_copy, lower_omp_for_lastprivate,
3608         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3609         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3610         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3611         Likewise.
3612
3613 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3614
3615         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3616         config/sh/sh.md: Follow spelling conventions.
3617
3618         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3619         config/frv/predicates.md: Follow spelling conventions.
3620
3621         * config/m68k/linux-unwind.h: Fix a comment typo.
3622         * target.h: Follow spelling conventions.
3623
3624 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3625
3626         PR rtl-optimization/28173
3627         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3628         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3629         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3630         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3631         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3632
3633 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3634
3635         * builtins.c (fold_builtin_load_exponent): New.
3636         (fold_builtin_2): Use it.
3637
3638 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3639
3640         PR rtl-optimization/30773
3641         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3642         if we fail to attach a REG_EQUIV note.
3643
3644 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3645             Roger Sayle  <roger@eyesopen.com>
3646
3647         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3648
3649 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3650
3651         * calls.c (initialize_argument_information): Pass original EXP
3652         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3653         code to split complex arguments here, as part of initializing the
3654         ARGS array.
3655         (expand_call): Remove code that builds a list of arguments and
3656         inserts implicit arguments into it.  Instead, just count how many
3657         implicit arguments there will be so we can determine the size of
3658         the ARGS array, and let initialize_argument_information do the work.
3659         (split_complex_values): Delete unused function.
3660
3661 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3662
3663         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3664
3665 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3666
3667         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3668         for arg pointer based indexed addressing.
3669
3670 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3671
3672         * config/ia64/ia64.h, config/ia64/ia64.md,
3673         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3674         spelling conventions.
3675
3676 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3677
3678         * config/m68k/m68k.c (split_di): New.
3679         * config/m68k/m68k-protos.h: Declare split_di.
3680         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3681           Improve predicate handling and split constant shifts.
3682
3683 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3684
3685         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3686         parameter for register bitfield operations, general predicates
3687         cleanup
3688
3689 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3690
3691         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3692         * config/m68k/linux-unwind.h: New file.
3693
3694 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3695
3696         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3697         config/i386/athlon.md, config/ia64/ia64.md,
3698         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3699         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3700         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3701         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3702         tree-vect-transform.c: Fix comment typos.
3703
3704 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3705
3706         * sched-deps.c (find_insn_list): Remove.
3707         * sched-int.h: Remove the prototype for find_insn_list.
3708
3709 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3710
3711         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3712         to linker.
3713         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3714         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3715         darwin_rs6000_override_options.
3716         (C_COMMON_OVERRIDE_OPTIONS): Expect
3717         darwin_macosx_version_min to be non-NULL always.
3718         (TARGET_C99_FUNCTIONS): Likewise.
3719         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3720         (DARWIN_MINVERSION_SPEC): New.
3721         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3722         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3723         to cc1*.
3724         (DARWIN_MINVERSION_SPEC): New.
3725         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3726         value.
3727         * config/darwin-c.c (darwin_cpp_builtins): Expect
3728         darwin_macosx_version_min to be non-NULL always.
3729
3730         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3731
3732 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3733
3734         * config/i386/i386.h (x86_use_xchgb): New.
3735         (TARGET_USE_XCHGB): New macro.
3736         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3737         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3738         Split after reload into bswaphi for shifts of 8.
3739         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3740         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3741         or when optimizing for size.
3742
3743 2007-02-16  Richard Guenther  <rguenther@suse.de>
3744             Christian Bruel  <christian.bruel@st.com>
3745
3746         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3747         DECLs but prefer SSA_NAMEs over DECLs.
3748
3749 2007-02-16  Richard Guenther  <rguenther@suse.de>
3750
3751         * tree-flow-inline.h (single_imm_use_p): Remove.
3752         (zero_imm_uses_p): Likewise.
3753         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3754         instead of single_imm_use_p.
3755         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3756         zero_imm_uses_p.
3757
3758 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3759
3760         PR other/27843
3761         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3762         nested double- and backquotes.
3763
3764 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3765
3766         PR middle-end/30391
3767         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3768         should be unreachable.
3769         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3770         For the time being redirect GIMPLE_MODIFY_STMT to the new
3771         (renamed) build_gimple_modify_stmt_stat.
3772         (build2_gimple_stat): Rename to...
3773         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3774         Always build a GIMPLE_MODIFY_STMT node.
3775         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3776         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3777         declarations.
3778
3779         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3780         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3781         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3782         expand_complex_div_wide): Likewise.
3783         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3784         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3785         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3786         * tree-ssa-loop-manip.c (create_iv): Likewise.
3787         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3788         abs_replacement): Likewise.
3789         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3790         realify_fake_stores): Likewise.
3791
3792         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3793         node rather than a GIMPLE_MODIFY_STMT node.
3794         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3795         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3796         Likewise.
3797         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3798         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3799         GIMPLE_MODIFY_STMT.
3800
3801 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3802
3803         PR middle-end/30433
3804         * fold-const.c (fold_comparison): Add back the
3805         folding of constant complex comparisions.
3806
3807 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3808
3809         PR middle-end/30729
3810         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3811         effects unknown to this function, return early.
3812
3813 2007-02-15  Ian Lance Taylor  <iant@google.com>
3814
3815         * lower-subreg.c (move_eh_region_note): New static function.
3816         (resolve_simple_move): Call it.
3817         (decompose_multiword_subregs): Track blocks for which we resolve a
3818         simple move which is also a control flow insn.  Pass them to
3819         find_many_sub_basic_blocks.
3820         (pass_lower_subreg): Add TODO_verify_flow.
3821         (pass_lower_subreg2): Likewise.
3822
3823 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3824             Brooks Moses  <brooks.moses@codesourcery.com>
3825             Lee Millward  <lee.millward@codesourcery.com>
3826
3827         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3828         (VL_EXP_CLASS_P): New.
3829         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3830         TREE_CODE_LENGTH.
3831         (TREE_OPERAND_CHECK_CODE): Likewise.
3832         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3833         (TREE_RTL_OPERAND_CHECK): Likewise.
3834         (tree_operand_check_failed): Make second parameter the whole tree
3835         instead of its code.  Fixed callers.
3836         (VL_EXP_CHECK): New.
3837         (TREE_OPERAND_LENGTH): New.
3838         (VL_EXP_OPERAND_LENGTH): New.
3839         (CALL_EXPR_FN): New.
3840         (CALL_EXPR_STATIC_CHAIN): New.
3841         (CALL_EXPR_ARGS): New.
3842         (CALL_EXPR_ARG): New.
3843         (call_expr_nargs): New.
3844         (CALL_EXPR_ARGP): New.
3845         (build_nt_call_list): Declare.
3846         (build_vl_exp_stat): Declare.
3847         (build_vl_exp): New.
3848         (build_call_list): Declare.
3849         (build_call_nary): Declare.
3850         (build_call_valist): Declare.
3851         (build_call_array): Declare.
3852         (call_expr_arg): Declare.
3853         (call_expr_argp): Declare.
3854         (call_expr_arglist): Declare.
3855         (fold_build_call_list): Declare.
3856         (fold_build_call_list_initializer): Declare.
3857         (fold_call_expr): Declare to replace fold_builtin.
3858         (fold_builtin_fputs): Update to agree with modified definition.
3859         (fold_builtin_strcpy): Likewise.
3860         (fold_builtin_strncpy): Likewise.
3861         (fold_builtin_memory_chk): Likewise.
3862         (fold_builtin_stxcpy_chk): Likewise.
3863         (fold_builtin_strncpy_chk): Likewise.
3864         (fold_builtin_next_arg): Likewise.
3865         (fold_build_call_expr): Declare.
3866         (fold_builtin_call_list): Declare.
3867         (fold_builtin_call_valist): Declare.
3868         (build_call_expr): Declare.
3869         (validate_arglist): Update to agree with modified definition.
3870         (tree_operand_length): New.
3871         (call_expr_arg_iterator): New.
3872         (init_call_expr_arg_iterator): New.
3873         (next_call_expr_arg): New.
3874         (first_call_expr_arg): New.
3875         (more_call_expr_args_p): New.
3876         (FOR_EACH_CALL_EXPR_ARG): New.
3877
3878         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3879         and tcc_gimple_stmt.
3880         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3881         than sizeof (char *).
3882         (tree_size): Likewise.  Add case for tcc_vl_exp.
3883         (tree_node_structure): Add case for tcc_vl_exp.
3884         (contains_placeholder_p): Likewise.
3885         (substitute_in_expr): Likewise.
3886         (substitute_placeholder_in_expr): Likewise.
3887         (stabilize_reference_1): Likewise.
3888         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3889         to diagnose breakage of this interface for constructing CALL_EXPRs.
3890         (build_nt): Add similar assertion here.
3891         (build_nt_call_list): New.
3892         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3893         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3894         TREE_CODE_LENGTH.
3895         (get_callee_fndecl): Use new CALL_EXPR accessors.
3896         (tree_operand_check_failed): Change parameters to pass entire node
3897         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3898         (process_call_operands): New.
3899         (build_vl_exp_stat): New.
3900         (build_call_list): New.
3901         (build_call_nary): New.
3902         (build_call_valist): New.
3903         (build_call_array): New.
3904         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3905         (call_expr_arglist): New.
3906
3907         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3908         tcc_vl_exp instead of a fixed-size tcc_expression.
3909
3910         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3911         accessors for CALL_EXPRs.
3912         (AGGR_INIT_EXPR): Likewise.
3913
3914 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3915             Brooks Moses  <brooks.moses@codesourcery.com>
3916             Lee Millward  <lee.millward@codesourcery.com>
3917
3918         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3919         (expand_builtin_nonlocal_goto): Change parameter to be entire
3920         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3921         (expand_builtin_prefetch): Likewise.
3922         (expand_builtin_classify_type): Likewise.
3923         (mathfn_built_in): Return NULL_TREE instead of 0.
3924         (expand_errno_check): Use new CALL_EXPR accessors.
3925         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3926         Return NULL_RTX instead of 0.
3927         (expand_builtin_mathfn_2): Likewise.
3928         (expand_builtin_mathfn_3): Likewise.
3929         (expand_builtin_interclass_mathfn): Likewise.
3930         (expand_builtin_sincos): Likewise.
3931         (expand_builtin_cexpi): Likewise.
3932         (expand_builtin_int_roundingfn): Likewise.
3933         (expand_builtin_int_roundingfn_2): Likewise.
3934         (expand_builtin_pow): Likewise.
3935         (expand_builtin_powi): Likewise.
3936         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3937         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3938         accessors and constructors.  Return NULL_RTX instead of 0.
3939         (expand_builtin_strstr): Likewise.
3940         (expand_builtin_strchr): Likewise.
3941         (expand_builtin_strrchr): Likewise.
3942         (expand_builtin_strpbrk): Likewise.
3943         (expand_builtin_memcpy): Likewise.
3944         (expand_builtin_mempcpy): Likewise.
3945         (expand_builtin_mempcpy_args): New.
3946         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3947         (expand_builtin_memmove_args): New.
3948         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3949         (expand_movstr): Likewise.
3950         (expand_builtin_strcpy): Likewise.
3951         (expand_builtin_strcpy_args): New.
3952         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3953         (expand_builtin_strncpy): Likewise.
3954         (expand_builtin_memset): Likewise.
3955         (expand_builtin_memset_args): New.
3956         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3957         (expand_builtin_memcmp): Likewise.
3958         (expand_builtin_strcmp): Likewise.
3959         (expand_builtin_strncmp): Likewise.
3960         (expand_builtin_strcat): Likewise.
3961         (expand_builtin_strncat): Likewise.
3962         (expand_builtin_strspn): Likewise.
3963         (expand_builtin_strcspn): Likewise.
3964         (expand_builtin_args_info): Likewise.
3965         (expand_builtin_va_start): Likewise.
3966         (gimplify_va_arg_expr): Likewise.
3967         (expand_builtin_va_end): Likewise.
3968         (expand_builtin_va_copy): Likewise.
3969         (expand_builtin_frame_address): Likewise.
3970         (expand_builtin_alloca): Likewise.
3971         (expand_builtin_bswap): Likewise.
3972         (expand_builtin_unop): Likewise.
3973         (expand_builtin_fputs): Likewise.
3974         (expand_builtin_expect): Likewise.
3975         (expand_builtin_fabs): Likewise.
3976         (expand_builtin_copysign): Likewise.
3977         (expand_builtin_printf): Likewise.
3978         (expand_builtin_fprintf): Likewise.
3979         (expand_builtin_sprintf): Likewise.
3980         (expand_builtin_init_trampoline): Likewise.
3981         (expand_builtin_signbit): Likewise.
3982         (expand_builtin_fork_or_exec): Likewise.
3983         (expand_builtin_sync_operation): Likewise.
3984         (expand_builtin_compare_and_swap): Likewise.
3985         (expand_builtin_lock_test_and_set): Likewise.
3986         (expand_builtin_lock_release): Likewise.
3987         (expand_builtin): Likewise.
3988         (builtin_mathfn_code): Likewise.
3989
3990         (fold_builtin_constant_p): Pass call arguments individually instead
3991         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3992         accessors and constructors.  Return NULL_TREE instead of 0.
3993         (fold_builtin_expect): Likewise.
3994         (fold_builtin_classify_type): Likewise.
3995         (fold_builtin_strlen): Likewise.
3996         (fold_builtin_nan): Likewise.
3997         (integer_valued_real_p): Likewise.
3998         (fold_trunc_transparent_mathfn): Likewise.
3999         (fold_fixed_mathfn): Likewise.
4000         (fold_builtin_cabs): Likewise.
4001         (fold_builtin_sqrt): Likewise.
4002         (fold_builtin_cbrt): Likewise.
4003         (fold_builtin_cos): Likewise.
4004         (fold_builtin_cosh): Likewise.
4005         (fold_builtin_tan): Likewise.
4006         (fold_builtin_sincos): Likewise.
4007         (fold_builtin_cexp): Likewise.
4008         (fold_builtin_trunc): Likewise.
4009         (fold_builtin_floor): Likewise.
4010         (fold_builtin_ceil): Likewise.
4011         (fold_builtin_round): Likewise.
4012         (fold_builtin_int_roundingfn): Likewise.
4013         (fold_builtin_bitop): Likewise.
4014         (fold_builtin_bswap): Likewise.
4015         (fold_builtin_logarithm): Likewise.
4016         (fold_builtin_hypot): Likewise.
4017         (fold_builtin_pow): Likewise.
4018         (fold_builtin_powi): Likewise.
4019         (fold_builtin_exponent): Likewise.
4020         (fold_builtin_memset): Likewise.
4021         (fold_builtin_bzero): Likewise.
4022         (fold_builtin_memory_op): Likewise.
4023         (fold_builtin_bcopy): Deleted; call site changed to invoke
4024         fold_builtin_memory_op directly.
4025         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4026         (fold_builtin_strncpy): Likewise.
4027         (fold_builtin_memcmp): Likewise.
4028         (fold_builtin_strcmp): Likewise.
4029         (fold_builtin_strncmp): Likewise.
4030         (fold_builtin_signbit): Likewise.
4031         (fold_builtin_copysign): Likewise.
4032         (fold_builtin_isascii): Likewise.
4033         (fold_builtin_toascii): Likewise.
4034         (fold_builtin_isdigit): Likewise.
4035         (fold_builtin_fabs): Likewise.
4036         (fold_builtin_abs): Likewise.
4037         (fold_builtin_fmin_fmax): Likewise.
4038         (fold_builtin_carg): Likewise.
4039         (fold_builtin_classify): Likewise.
4040         (fold_builtin_unordered_cmp): Likewise.
4041
4042         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4043         New functions split out from fold_builtin_1.
4044         (fold_builtin_n): New.
4045         (fold_builtin_varargs): New.
4046         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4047         instead.
4048         (fold_call_expr): New.
4049         (build_function_call_expr): Rewrite to use new helper function.
4050         (fold_builtin_call_list): New.
4051         (build_call_expr): New.
4052         (fold_builtin_call_valist): New.
4053         (rewrite_call_expr): New.
4054         (validate_arg): New.
4055         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4056         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4057         accessors.
4058
4059         (fold_builtin_strstr):  Pass call arguments individually instead
4060         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4061         accessors and constructors.  Return NULL_TREE instead of 0.
4062         (fold_builtin_strchr): Likewise.
4063         (fold_builtin_strrchr): Likewise.
4064         (fold_builtin_strpbrk): Likewise.
4065         (fold_builtin_strcat): Likewise.
4066         (fold_builtin_strncat): Likewise.
4067         (fold_builtin_strspn): Likewise.
4068         (fold_builtin_strcspn): Likewise.
4069         (fold_builtin_fputs): Likewise.
4070         (fold_builtin_next_arg): Likewise.
4071         (fold_builtin_sprintf): Likewise.
4072
4073         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4074         NULL_RTX instead of 0.
4075         (expand_builtin_memory_chk): Likewise.
4076         (maybe_emit_chk_warning): Likewise.
4077         (maybe_emit_sprintf_chk_warning): Likewise.
4078
4079         (fold_builtin_object_size): Pass call arguments individually instead
4080         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4081         accessors and constructors.  Return NULL_TREE instead of 0.
4082         (fold_builtin_memory_chk): Likewise.
4083         (fold_builtin_stxcpy_chk): Likewise.
4084         (fold_builtin_strncpy_chk): Likewise.
4085         (fold_builtin_strcat_chk): Likewise.
4086         (fold_builtin_strcat_chk): Likewise.
4087         (fold_builtin_strncat_chk): Likewise.
4088         (fold_builtin_sprintf_chk): Likewise.
4089         (fold_builtin_snprintf_chk): Likewise.
4090         (fold_builtin_printf): Likewise.
4091         (fold_builtin_vprintf): Likewise.
4092
4093         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4094         constructors.
4095         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4096         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4097         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4098         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4099         (fold_unary): Likewise.
4100         (fold_binary): Likewise.
4101         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4102         ternary expressions.
4103         (fold): Add logic for tcc_vl_exp.
4104         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4105         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4106         (fold_build3_stat): Add assertion to flag broken interface for
4107         constructing CALL_EXPRs.
4108         (fold_build_call_list): New.
4109         (fold_build_call_list_initializer): New.
4110         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4111         constructors.
4112         (fold_strip_sign_ops): Likewise.
4113
4114 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4115             Brooks Moses  <brooks.moses@codesourcery.com>
4116             Lee Millward  <lee.millward@codesourcery.com>
4117
4118         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4119         accessors and dump arguments explicitly.
4120
4121         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4122         TREE_CODE_LENGTH.
4123         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4124         explicitly.
4125         (print_call_name): Use new CALL_EXPR accessors.
4126
4127         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4128         CALL_EXPR arguments explicitly instead of as a list.  Use
4129         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4130
4131         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4132         (vrp_visit_stmt): Likewise.
4133
4134         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4135         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4136         TREE_CODE_LENGTH.
4137         (force_move_till_expr): Likewise.
4138
4139         * targhooks.c (default_external_stack_protect_fail): Use
4140         build_call_expr instead of build_function_call_expr.
4141         (default_hidden_stack_protect_fail): Likewise.
4142
4143         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4144         build the call.
4145
4146         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4147         and walk arguments explicitly.
4148
4149         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4150         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4151         (expand_simple_operations): Likewise.
4152         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4153
4154         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4155         of TREE_CODE_LENGTH.
4156         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4157
4158         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4159         instead of TREE_CODE_LENGTH.
4160
4161         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4162         (tree_ic_transform): Likewise.
4163         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4164         parameter instead of arglist.  Fix callers.
4165         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4166         (tree_stringops_transform): Likewise.
4167         (tree_indirect_call_to_profile): Likewise.
4168         (tree_stringops_values_to_profile): Likewise.
4169
4170         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4171         (eliminate_tail_call): Likewise.
4172
4173         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4174
4175         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4176         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4177         operands.
4178         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4179
4180         * omp-low.c (build_omp_barrier): Use build_call_expr.
4181         (lower_rec_input_clauses): Likewise.
4182         (lower_reduction_clauses): Likewise.
4183         (expand_parallel_call): Likewise.
4184         (maybe_catch_exception): Likewise.
4185         (expand_omp_for_generic): Likewise.
4186         (expand_omp_for_static_nochunk): Likewise.
4187         (expand_omp_sections): Likewise.
4188         (lower_omp_single_simple): Likewise.
4189         (lower_omp_single_copy): Likewise.
4190         (lower_omp_master): Likewise.
4191         (lower_omp_ordered): Likewise.
4192         (lower_omp_critical): Likewise.
4193
4194         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4195         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4196
4197         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4198         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4199         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4200
4201         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4202         and generalize to handle any number of operands.
4203         (chrec_contains_undetermined): Likewise.
4204         (tree_contains_chrecs): Likewise.
4205         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4206
4207         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4208
4209         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4210         fold_call_expr instead of fold_builtin.
4211         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4212         match declarations there.
4213         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4214         updates.
4215
4216         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4217         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4218
4219         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4220         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4221
4222         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4223         accessors.
4224
4225         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4226         (execute_cse_sincos): Use new CALL_EXPR accessors.
4227
4228         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4229
4230         * gimple-low.c (lower_function_body): Use build_call_expr.
4231         (lower_builtin_setjmp): Likewise.
4232
4233         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4234         (set_storage_via_libcall): Likewise.
4235         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4236         instead of TREE_CODE_LENGTH.
4237         (expand_expr_real_1): Use new CALL_EXPR accessors.
4238
4239         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4240         generalize to handle any number of operands.
4241         (TB_parent_eq): Likewise.
4242
4243         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4244         (strip_builtin_expect): Likewise.
4245
4246         * function.c (gimplify_parameters): Use build_call_expr.
4247
4248         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4249         instead of TREE_CODE_LENGTH.
4250
4251         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4252         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4253
4254         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4255         iterators.
4256
4257         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4258         (gimplify_decl_expr): Likewise.
4259         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4260         Use new CALL_EXPR iterators.
4261         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4262         (gimplify_modify_expr_to_memset): Likewise.
4263         (gimplify_variable_sized_compare): Likewise.
4264         (gimplify_omp_atomic_fetch_op): Likewise.
4265         (gimplify_omp_atomic_pipeline): Likewise.
4266         (gimplify_omp_atomic_mutex): Likewise.
4267         (gimplify_function_tree): Likewise.
4268
4269         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4270         (call_expr_flags): Likewise.
4271         (expand_call): Likewise.
4272
4273         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4274         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4275         accessors.
4276
4277         * coverage.c (create_coverage): Use build_call_expr.
4278
4279         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4280         (temp_call_expr_obstack): New.
4281         (pool_copy_list): Delete.
4282         (temp_copy_call_expr): New.
4283         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4284         CALL_EXPR accessors.  Get rid of special goo for copying argument
4285         lists and use temp_copy_call_expr instead.
4286         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4287         CALL_EXPR accessors.
4288         (create_expression_by_pieces): Likewise.  Use build_call_array
4289         to construct the result instead of fold_build3.
4290         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4291         dealing with argument lists.
4292         (init_pre): Remove references to expression_node_pool and
4293         list_node_pool.  Init temp_call_expr_obstack instead.
4294         (fini_pre): Remove references to expression_node_pool and
4295         list_node_pool.
4296
4297         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4298         and walk arguments explicitly instead of as a list.
4299
4300         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4301         (mx_register_decls): Likewise.
4302         (mudflap_register_call): Likewise.
4303         (mudflap_finish_file): Likewise.
4304
4305         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4306         (ipa_callsite_compute_param): Likewise.
4307
4308         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4309         accessors and constructor.
4310
4311         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4312         accessors and constructor.
4313         (convert_tramp_reference): Likewise.
4314         (convert_call_expr): Likewise.
4315         (finalize_nesting_tree_1): Likewise.
4316
4317         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4318         accessors.
4319
4320         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4321
4322         * tree-inline.c (initialize_inlined_parameters): Pass entire
4323         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4324         accessors.
4325         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4326         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4327
4328         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4329         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4330         (vectorizable_reduction): Likewise.
4331         (vectorizable_call): Use new CALL_EXPR iterators.
4332         (vectorizable_conversion): Use build_call_expr.
4333         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4334         (vect_gen_widened_results_half): Use build_call_expr.
4335         (vect_setup_realignment): Likewise.
4336         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4337
4338         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4339         (pass_through_call): Likewise.
4340         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4341         fold_builtin.
4342
4343         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4344         (tree_gen_pow2_profiler): Likewise.
4345         (tree_gen_one_value_profiler): Likewise.
4346         (tree_gen_ic_func_profiler): Likewise.
4347         (tree_gen_average_profiler): Likewise.
4348         (tree_gen_ior_profiler): Likewise.
4349
4350         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4351         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4352         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4353
4354         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4355         of TREE_CODE_LENGTH.
4356
4357         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4358         of TREE_CODE_LENGTH.
4359
4360         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4361         constructor.
4362         (convert_to_integer): Likewise.
4363
4364         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4365         accessors.
4366
4367 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4368             Brooks Moses  <brooks.moses@codesourcery.com>
4369             Lee Millward  <lee.millward@codesourcery.com>
4370
4371         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4372         accessors.
4373         * config/frv/frv.c (frv_expand_builtin): Likewise.
4374         * config/s390/s390.c (s390_expand_builtin): Likewise.
4375
4376         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4377         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4378
4379         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4380         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4381         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4382         (ix86_expand_store_builtin): Likewise.
4383         (ix86_expand_unop_builtin): Likewise.
4384         (ix86_expand_unop1_builtin): Likewise.
4385         (ix86_expand_sse_compare): Likewise.
4386         (ix86_expand_sse_comi): Likewise.
4387         (ix86_expand_vec_init_builtin): Likewise.
4388         (ix86_expand_vec_ext_builtin): Likewise.
4389         (ix86_expand_vec_set_builtin): Likewise.
4390         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4391
4392         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4393         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4394
4395         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4396         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4397         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4398
4399         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4400         build_call_expr.
4401         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4402         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4403         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4404         (altivec_expand_abs_builtin): Likewise.
4405         (rs6000_expand_binop_builtin): Likewise.
4406         (altivec_expand_predicate_builtin): Likewise.
4407         (altivec_expand_lv_builtin): Likewise.
4408         (spe_expand_stv_builtin): Likewise.
4409         (altivec_expand_stv_builtin): Likewise.
4410         (rs6000_expand_ternop_builtin): Likewise.
4411         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4412         (altivec_expand_st_builtin): Likewise.
4413         (altivec_expand_dst_builtin): Likewise.
4414         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4415         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4416         (altivec_expand_vec_set_builtin): Likewise.
4417         (altivec_expand_vec_ext_builtin): Likewise.
4418         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4419         (spe_expand_builtin): Likewise.
4420         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4421         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4422         (spe_expand_evsel_builtin): Likewise.
4423         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4424         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4425
4426         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4427         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4428         (arm_expand_unop_builtin): Likewise.
4429         (arm_expand_builtin): Use new CALL_EXPR accessors.
4430
4431         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4432         accessors.
4433
4434         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4435         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4436         (bfin_expand_unop_builtin): Likewise.
4437         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4438
4439 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4440             Brooks Moses  <brooks.moses@codesourcery.com>
4441             Lee Millward  <lee.millward@codesourcery.com>
4442
4443         * c-semantics.c (build_stmt): Add internal diagnostic check.
4444
4445         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4446         accessors.  Print arguments explicitly instead of as a list.
4447
4448         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4449
4450         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4451         (c_finish_omp_flish): Likewise.
4452
4453         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4454         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4455         instead of TREE_CODE_LENGTH.
4456         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4457         (c_warn_unused_result): Likewise.
4458
4459 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4460
4461         PR c/26494
4462         * doc/invoke.texi (Warning Options): Remove
4463         -Werror-implicit-function-declaration.
4464         (Wimplicit-function-declaration): Update description.
4465         * opts.c (common_handle_option): Move handling of -Werror=* to...
4466         (enable_warning_as_error): ...here.
4467         * opts.h (enable_warning_as_error): Declare.
4468         * c-decl.c (implicit_decl_warning): Unless
4469         -Wno-implicit-function-declaration is given, emit a pedwarn if
4470         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4471         * c.opt (Wimplicit-function-declaration): Replace
4472         mesg_implicit_function_declaration with
4473         warn_implicit_function_declaration.
4474         * c-opts.c (c_common_handle_option):
4475         -Werror-implicit-function-declaration is exactly equal as
4476         -Werror=implicit-function-declaration.
4477         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4478         warn_implicit_function_declaration.
4479         (c_common_post_options): -Wimplict-function-declaration is enabled
4480         by default by -std=c99, otherwise is disabled by default.
4481         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4482
4483 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4484
4485         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4486         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4487         former is ignored but not the latter.
4488
4489 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4490
4491         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4492         is made and the reference doesn't use the alias set of its type,
4493         do not create the temporary using that type.
4494
4495 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4496
4497         * jump.c: Remove prototypes for delete_computation and
4498         delete_prior_computation.
4499
4500 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4501
4502         * jump.c (get_label_after): Delete.
4503         (get_label_before, delete_computation, delete_jump,
4504         delete_prior_computation, follow_jumps): Move...
4505         * reorg.c (delete_computation, delete_prior_computation): ... here...
4506         (get_label_before, delete_jump): ... making these static ...
4507         (follow_jumps): ... and simplifying this since it only runs after
4508         reload.
4509         * rtl.h (get_label_after, get_label_before, delete_jump,
4510         follow_jumps): Delete prototypes.
4511
4512 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4513
4514         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4515
4516 2007-02-15  Nick Clifton  <nickc@redhat.com>
4517
4518         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4519         order to prevent it from being munged by the target.
4520
4521 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4522
4523         * config/i386/i386.md: Remove misleading comment.
4524
4525 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4526
4527         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4528         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4529         invalid patterns.
4530
4531 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4532
4533         * tree-sra.c (instantiate_missing_elements): Canonicalize
4534         bit-field types.
4535         (sra_build_assignment): New.
4536         (generate_copy_inout, generate_element_copy,
4537         generate_element_zero, generate_one_element_init): Use it.
4538
4539 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4540
4541         * tree-sra.c (instantiate_missing_elements): Canonicalize
4542         bit-field types.
4543         (sra_build_assignment): New.
4544         (generate_copy_inout, generate_element_copy,
4545         generate_element_zero, generate_one_element_init): Use it.
4546
4547 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4548
4549         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4550         limbo die nodes.
4551
4552 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4553
4554         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4555         types as aggregates not scalars.
4556         * function.c (assign_stack_temp_for_type): Likewise.
4557
4558 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4559             Zdenek Dvorak  <dvorakz@suse.cz>
4560
4561         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4562         name.
4563
4564 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4565
4566         * passes.c (next_pass_1): Clear the next field of the copied
4567         pass structure.
4568
4569 2007-02-14  Richard Henderson  <rth@redhat.com>
4570
4571         * tree-sra.c (early_sra): New.
4572         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4573         (tree_sra_early, pass_sra_early): New.
4574         * tree-pass.h (pass_sra_early): Declare.
4575         * passes.c (init_optimization_passes): Use it.
4576
4577 2007-02-14  Richard Guenther  <rguenther@suse.de>
4578
4579         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4580
4581 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4582
4583          PR tree-optimization/30771
4584         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4585         also phi nodes.
4586         (vect_analyze_operations): Induction phis can now be marked as
4587         used_in_loop.
4588         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4589         Update documentation accordingly.
4590
4591 2007-02-14  Nick Clifton  <nickc@redhat.com>
4592
4593         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4594         most 3 arguments are supported.
4595         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4596
4597 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4598
4599         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4600         Ensure dst->current is valid.
4601
4602 2007-02-13  Paul Brook  <paul@codesourcery.com>
4603
4604         * config.gcc: Add arm*-*-uclinux-*eabi.
4605         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4606         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4607         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4608         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4609         (LINK_SPEC): Define.
4610         (LIB_SPEC): Define.
4611         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4612         register.
4613         * config/arm/uclinux-eabi.h: New file.
4614         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4615         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4616         based targets.
4617
4618 2007-02-13  Ian Lance Taylor  <iant@google.com>
4619
4620         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4621         * flags.h (warn_strict_overflow): Declare.
4622         (enum warn_strict_overflow_code): Define.
4623         (issue_strict_overflow_warning): New static inline function.
4624         * opts.c (warn_strict_overflow): New variable.
4625         (common_handle_option): Handle OPT_Wstrict_overflow and
4626         OPT_Wstrict_overflow_.
4627         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4628         OPT_Wall.
4629         * fold-const.c: Include intl.h.
4630         (fold_deferring_overflow_warnings): New static variable.
4631         (fold_deferred_overflow_warning): New static variable.
4632         (fold_deferred_overflow_code): New static variable.
4633         (fold_defer_overflow_warnings): New function.
4634         (fold_undefer_overflow_warnings): New function.
4635         (fold_undefer_and_ignore_overflow_warnings): New function.
4636         (fold_deferring_overflow_warnings_p): New function.
4637         (fold_overflow_warning): New static function.
4638         (make_range): Add strict_overflow_p parameter.  Change all
4639         callers.
4640         (extract_muldiv, extract_muldiv_1): Likewise.
4641         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4642         tree_expr_nonnegative_p.
4643         (fold_negate_expr): Call fold_overflow_warning.
4644         (fold_range_test): Likewise.
4645         (fold_comparison): Likewise.
4646         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4647         instead of tree_expr_nonnegative_p.
4648         (tree_expr_nonnegative_warnv_p): Rename from
4649         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4650         (tree_expr_nonnegative_p): New function.
4651         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4652         strict_overflow_p parameter.
4653         (tree_expr_nonzero_p): New function.
4654         * passes.c (verify_interpass_invariants): New static function.
4655         (execute_one_pass): Call it.
4656         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4657         warnings.
4658         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4659         (estimate_numbers_of_iterations): Likewise.
4660         (scev_probably_wraps_p): Likewise.
4661         * tree-ssa-ccp.c: Include "toplev.h".
4662         (evaluate_stmt): Defer fold overflow warnings until we know we are
4663         going to optimize.
4664         (struct fold_stmt_r_data): Add stmt field.
4665         (fold_stmt_r): Defer fold overflow warnings until we know we
4666         optimized.
4667         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4668         (fold_stmt_inplace): Likewise.
4669         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4670         (cleanup_control_expr_graph): Defer fold overflow warnings until
4671         we know we are going to optimize.
4672         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4673         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4674         Likewise.
4675         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4676         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4677         * tree-ssa-loop-manip.c (create_iv): Likewise.
4678         * c-typeck.c (build_conditional_expr): Likewise.
4679         (build_binary_op): Likewise.
4680         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4681         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4682         (extract_range_from_unary_expr): Likewise.
4683         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4684         assuming that signed overflow does not occur.
4685         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4686         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4687         (fold_defer_overflow_warnings): Declare.
4688         (fold_undefer_overflow_warnings): Declare.
4689         (fold_undefer_and_ignore_overflow_warnings): Declare.
4690         (fold_deferring_overflow_warnings_p): Declare.
4691         (tree_expr_nonzero_warnv_p): Declare.
4692         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4693         of warning options.
4694         (Warning Options): Document -Wstrict-overflow.
4695         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4696         (tree-ssa-ccp.o): Likewise.
4697         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4698         (fold-const.o): Depend on intl.h.
4699
4700 2007-02-13  Ian Lance Taylor  <iant@google.com>
4701
4702         PR middle-end/30751
4703         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4704         addresses.
4705
4706 2007-02-13  Stuart Hastings  <stuart@apple.com>
4707
4708         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4709
4710 2007-02-13  Richard Henderson  <rth@redhat.com>
4711
4712         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4713         handled_component_p before looking for the indirect_ref.
4714
4715 2007-02-13  Richard Henderson  <rth@redhat.com>
4716
4717         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4718         remove flags clobber.
4719         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4720         (bswaphi_lowpart): New.
4721         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4722         remove TARGET_BSWAP test.  Delete expander of the same name.
4723
4724         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4725         (expand_unop): Use them.
4726
4727 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4728
4729         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4730         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4731         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4732         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4733         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4734         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4735         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4736         assembler dialect choice from asm templates.
4737
4738 2007-02-12  Richard Henderson  <rth@redhat.com>
4739
4740         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4741         (fixuns_trunc<SSEMODEF>si2): Use it.
4742         * config/i386/sse.md (vec_setv4sf_0): Export.
4743         * config/i386/i386.c (ix86_build_const_vector): Export.
4744         (ix86_split_convert_uns_si_sse): Rename from
4745         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4746         * config/i386/i386-protos.h: Update.
4747
4748 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4749
4750         PR c/29521
4751         * c-typeck.c (c_finish_return): Improve warning message.
4752
4753 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4754
4755         * alias.c (find_symbolic_term): Delete unused function.
4756
4757 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4758
4759         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4760         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4761         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4762
4763 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4764
4765         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4766         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4767         the function, temporarily point the debug interface to the null one.
4768
4769 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4770
4771         * dwarf2out.c (round_up_to_align): New static function.
4772         (field_byte_offset): Use it to round the offset.
4773
4774 2007-02-12  Richard Henderson  <rth@redhat.com>
4775
4776         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4777         (inswl_const): Export.
4778
4779 2007-02-12  Richard Henderson  <rth@redhat.com>
4780
4781         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4782         result mode of the libcall, convert back to outmode.
4783
4784 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4785
4786         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4787         (bswapdi2): New define_expand to implement 32-bit implementation.
4788
4789 2007-02-12  Nick Clifton  <nickc@redhat.com>
4790
4791         * doc/invoke.texi (Overall Options): Document --help=.
4792         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4793         (cc1_options): Pass --help= on to cc1.
4794         (display_help): Add description of --help=.
4795         (process_command): Add code to handle --help=.  Allow translated
4796         --help and --target-help switches to be passed on to compiler
4797         sub-process.
4798         (main): Remove unused if statement.
4799         * opts.c (columns): Remove.
4800         (LEFT_COLUMN): Define.
4801         (wrap_help): Add columns argument.
4802         (print_filtered_help): Change parameters to be an include bitmask,
4803         an exclude bitmask, an any bitmask and the column width.  Move the
4804         code to display the params list here.  Add code to display the
4805         status of options rather than their descriptions if the quiet flag
4806         is not active.
4807         (print_specific_help): Change parameters to be an include bitmask,
4808         an exclude bitmask and an any bitmask.  Move code to look up the
4809         column width here.  Decide upon the title for an options listing.
4810         (common_handle_options): Add code to handle --help=.  Adapt code
4811         for --help and --target-help to use the revised form of the
4812         print_specific_help function.
4813         (print_help): Delete.
4814         (print_param_help): Delete.
4815         (print_switch): Delete.
4816         * opts.h (cl_lang_count): Add prototype.
4817         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4818         CL_MAX_OPTION_CLASS): New defines.
4819         * optc-gen.awk: Add construction of cl_lang_count.
4820         * c.opt: Add Warning attribute to warning options and Optimization
4821         attribute to optimization options.
4822         * common.opt: Likewise.
4823         Add --help=.
4824         Add -fhelp and -ftarget-help as aliases for the transformed --help
4825         and --target-help options.
4826         * opt-functions.awk: Add code to handle Warning and Optimization
4827         attributes.
4828
4829 2007-02-12  Richard Henderson  <rth@redhat.com>
4830
4831         * config/alpha/constraints.md: New file.
4832         * config/alpha/alpha.c: Include tm-constrs.h.
4833         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4834         alpha_extra_constraint): Remove.
4835         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4836         * config/alpha/alpha-protos.h: Update.
4837         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4838         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4839         (EXTRA_CONSTRAINT): Remove.
4840         * config/alpha/alpha.md: Include constraints.md.
4841         (adddi splitter): Use satisfies_constraint_*.
4842         * config/alpha/predicates.md (add_operand): Likewise.
4843         (sext_add_operand, addition_operation): Likewise.
4844
4845 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4846
4847         PR tree-optimization/29145
4848         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4849         in our handling of restrict qualified pointers.
4850
4851 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4852
4853         PR middle-end/7651
4854         * doc/invoke.texi (Wunused-value): Update description.
4855         (Wextra): Delete item.
4856         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4857         value of Wunused-value.
4858         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4859         (c_finish_stmt_expr): Don't check extra_warnings.
4860         (emit_side_effect_warnings): The caller is responsible to check
4861         warn_unused_value.
4862
4863 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4864             Matt Thomas  <matt@3am-software.com>
4865
4866         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4867
4868 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4869
4870         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4871         comparisons of POPCOUNT against zero.
4872         (simplify_const_relational_operation): Likewise.
4873
4874 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4875
4876         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4877
4878 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4879
4880         * dwarf2out.c (root_type): Delete unused function.
4881
4882 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4883
4884         * genattrtab.c (contained_in_p): Delete unused function.
4885         (write_expr_attr_cache): Likewise.
4886
4887 2007-02-11  Jan Hubicka  <jh@suse.cz>
4888
4889         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4890         previous patch.
4891
4892 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4893
4894         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4895         to add the REG_EQ* note.
4896         * see.c (see_merge_one_use_extension): Likewise.
4897         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4898         turn REG_EQUAL notes into REG_EQUIV notes if the target
4899         register may have more than one set.
4900         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4901         * gcse.c (try_replace_reg): Likewise.
4902         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4903         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4904         more than one REG_EQUIV note.
4905         * reload1.c (gen_reload): Use set_unique_reg_note.
4906
4907 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4908
4909         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4910         (ix86_builtin_conversion): New function.
4911
4912 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4913
4914         PR target/29487
4915         * tree.h (DECL_REPLACEABLE_P): New macro.
4916         * except.c (set_nothrow_function_flags): Likewise.
4917
4918 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4919             Ira Rosen  <irar@il.ibm.com>
4920             Dorit Nuzman  <dorit@il.ibm.com>
4921
4922         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4923         * targhooks.c (default_builtin_vectorized_conversion): New.
4924         * targhooks.h (default_builtin_vectorized_function): New declaration.
4925         * target.h (struct vectorize): Add builtin_conversion field.
4926         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4927         stmt_vec_info_type value.
4928         (vectorizable_conversion): New declaration.
4929         * tree-vect-analyze.c (vect_analyze_operations): Add
4930         vectorizable_conversion call.
4931         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4932         * tree-vect-transform.c (vectorizable_conversion): New function.
4933         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4934         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4935         mode.
4936         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4937         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4938         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4939         or ALTIVEC_BUILTIN_VCFSX.
4940
4941 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4942
4943         PR target/30634
4944         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4945         CONST_DOUBLE and operand 0 is a hard register.
4946         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4947         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4948         is a hard floating-point register.
4949
4950 2007-02-10  Richard Henderson  <rth@redhat.com>
4951             Jakub Jelinek  <jakub@redhat.com>
4952             Alexandre Oliva  <aoliva@redhat.com>
4953
4954         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4955         * builtin-types.def (BT_WORD): Make unsigned.
4956         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4957         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4958         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4959         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4960         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4961         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4962         emulated tls.
4963         * expr.c (emutls_var_address): New.
4964         (expand_expr_real_1): Expand emulated tls.
4965         (expand_expr_addr_expr_1): Likewise.
4966         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4967         * output.h (emutls_finish): Declare.
4968         * toplev.c (compile_file): Call it.
4969         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4970         address before wrapping in CONST.
4971         * varasm.c (emutls_htab, emutls_object_type): New.
4972         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4973         (get_emutls_object_name, get_emutls_object_type): New.
4974         (get_emutls_init_templ_addr, emutls_decl): New.
4975         (emutls_common_1, emutls_finish): New.
4976         (assemble_variable): When emulating tls, swap decls; generate
4977         constructor for the emutls objects.
4978         (do_assemble_alias): When emulating tls, swap decl and target name.
4979         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4980         for emulated tls.
4981         * varpool.c (decide_is_variable_needed): Look at force_output.
4982         Recurse for emulated tls.
4983         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4984         with decide_is_variable_needed.
4985         * emutls.c: New file.
4986         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4987         tls_object for real tls.
4988
4989 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4990
4991         PR rtl-optimization/29599
4992         * reload1.c (eliminate_regs_in_insn): Take the destination
4993         mode into account when computing the offset.
4994
4995 2007-02-09  Stuart Hastings  <stuart@apple.com>
4996             Richard Henderson  <rth@redhat.com>
4997
4998         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4999         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5000         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5001         fixuns_truncdfhi2): New.
5002         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5003         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5004         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5005         (floatunssidf2): Allow nonimmediate source.
5006         * gcc/config/i386/sse.md (movdi_to_sse): New.
5007         (vec_concatv2di): Drop '*'.
5008         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5009         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5010         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5011         New.
5012         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5013         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5014         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5015         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5016         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5017         ix86_build_const_vector.
5018         (x86_emit_floatuns): Rewrite.
5019
5020 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5021
5022         * genautomata.c (longest_path_length): Delete unused function.
5023         (struct state): Delete unused longest_path_length.
5024         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5025         (get_free_state): Delete unused.
5026
5027 2007-02-09  Jan Hubicka  <jh@suse.cz>
5028
5029         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5030         * doc/invoke.texi (inline-unit-growth): Update default value.
5031
5032         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5033         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5034         (rebuild_cgraph_edges): Likewise.
5035         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5036         (dump_cgraph_node): Dump frequencies.
5037         (cgraph_clone_edge): Add frequency scales.
5038         (cgraph_clone_node): Add freuqnecy.
5039         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5040         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5041         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5042         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5043         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5044         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5045         (save_inline_function_body): Likewise.
5046         * ipa-inline.c: inluce rtl.h
5047         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5048         (cgraph_edge_badness): Use frequencies.
5049         (cgraph_decide_recursive_inlining): Update clonning.
5050         (cgraph_decide_inlining_of_small_function): Dump frequency.
5051         * predict.c (estimate_bb_frequencies): Export.
5052         * predict.h (estimate_bb_frequencies): Declare.
5053         * tree-inline.c (copy_bb): Watch overflows.
5054         (expand_call_inline): Update call of cgraph_create_edge.
5055         (optimize_inline_calls): Use TODO flags to update frequnecies.
5056         * passes.h: Include predict.h
5057         (init_optimization_passes): Move profile ahead.
5058         (execute_function_todo): Handle TODO_rebuild_frequencies.
5059
5060 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5061
5062         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5063         the insbl or inswl pattern into a register.
5064
5065 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5066
5067         * config/ia64/ia64.md (bswapdi2): New define_insn.
5068
5069 2007-02-09  Richard Henderson  <rth@redhat.com>
5070
5071         * config/i386/constraints.md (Ym): New constraint.
5072         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5073         (movdi_1_rex64): Split sse and xmm general register moves from
5074         memory move alternatives.  Use conditional register constraints.
5075         (movsf_1, movdf_integer): Likewise.
5076         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5077         (movdf_integer_rex64): New.
5078         (pushsf_rex64): Fix output constraints.
5079         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5080         (sse2_stored): Likewise.
5081         (sse2_storeq_rex64): New.
5082         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5083         amd and not generic.
5084         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5085         for optimize_size.  Remove SF/DFmode hack.
5086
5087 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5088
5089         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5090         (bit_SSE4a): New.
5091
5092 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5093             Richard Sandiford  <richard@codesourcery.com>
5094
5095         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5096         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5097         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5098         m68k/t-mlib to tmake_file.
5099         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5100         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5101         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5102         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5103         variable is not empty, add t-$m68k_arch_family to tmake_file.
5104         Add t-mlibs to tmake_file.
5105         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5106         * config/m68k/t-cf: New file.
5107         * config/m68k/t-m68k: Likewise.
5108         * config/m68k/t-mlibs: Likewise.
5109         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5110         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5111         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5112         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5113         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5114         Delete.
5115         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5116         (INSTALL_LIBGCC): Delete.
5117         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5118         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5119         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5120         (M68K_MLIB_CPU): Define.
5121         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5122         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5123         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5124
5125 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5126             Richard Guenther  <rguenther@suse.de>
5127
5128         PR middle-end/23361
5129         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5130         against INT_MIN/INT_MAX.
5131         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5132         file if a loop is removed.
5133
5134 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5135
5136         * calls.c (store_one_arg): Pass correct alignment to
5137         emit_push_insn for non-BLKmode values.
5138         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5139         unaligned stack slot via a suitably aligned slot.
5140
5141 2007-02-08  DJ Delorie  <dj@redhat.com>
5142
5143         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5144         warnings.
5145         (legal_subregs): Use unsigned char, make const.
5146         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5147
5148 2007-02-08  Paul Brook  <paul@codesourcery.com>
5149
5150         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5151         special interworking needed.
5152
5153 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5154
5155         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5156         conditional to __SSE2__.
5157         (Entries below should have been added to first ChangeLog
5158         entry for amdfam10 dated 2007-02-05)
5159         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5160         defined.
5161         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5162         defined.
5163         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5164         defined.
5165
5166 2007-02-08  DJ Delorie  <dj@redhat.com>
5167
5168         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5169         * config/m32c/m32c.c (legal_subregs): New.
5170         (m32c_illegal_subreg_p): New.
5171         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5172         unsupported subregs of hard regs.
5173
5174 2007-02-08  Jan Hubicka  <jh@suse.cz>
5175
5176         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5177         the same one; always update histograms.
5178
5179 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5180
5181         * passes.c (init_optimization_passes): Tidy comment.
5182
5183 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5184
5185         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5186         strip zero_extend, bswap and rotates from POCOUNT's argument.
5187         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5188         zero_extend and rotates from PARITY's argument.
5189         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5190         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5191         of an integer constant at compile-time.
5192
5193 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5194
5195         PR 30562
5196         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5197         Update all users.
5198         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5199         users.
5200         (init_alias_info):
5201         * tree-ssa-live.c (remove_unused_locals): Do not remove
5202         TREE_ADDRESSABLE variables.
5203         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5204         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5205         FOR_CLOBBER.  Update all users.
5206         If VAR has an associated alias set, add a virtual operand for
5207         it if no alias is found to conflict with the memory reference.
5208
5209 2007-02-07  Jan Hubicka  <jh@suse.cz>
5210             Robert Kidd <rkidd@crhc.uiuc.edu>
5211
5212         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5213
5214 2007-02-07  Ian Lance Taylor  <iant@google.com>
5215
5216         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5217
5218 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5219
5220         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5221         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5222         tablejumpdi, movsi_to_cr_one): Remove constraints from
5223         define_expand's match_operands.
5224
5225 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5226
5227         * global.c (compute_regsets): Move declatation of "i" inside of
5228         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5229
5230 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5231
5232         PR c++/30703
5233         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5234         of INDIRECT_REF <RESULT_DECL>.
5235
5236         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5237
5238 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5239             Kaz Kojima  <kkojima@gcc.gnu.org>
5240
5241         PR target/29746
5242         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5243         properly.
5244         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5245
5246 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5247
5248         * doc/loop.texi: Document possibility not to perform disambiguation
5249         of loops with multiple latches.
5250         * cfgloopmanip.c (alp_enum_p): Removed.
5251         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5252         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5253         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5254         the new forwarder block.
5255         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5256         Handle the case latch is NULL.
5257         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5258         when marking loop exits.
5259         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5260         be modified.
5261         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5262         disambiguate_loops_with_multiple_latches.
5263         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5264         before fix_loop_structure.
5265         * cfgloop.c: Include pointer-set.h and output.h.
5266         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5267         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5268         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5269         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5270         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5271         disambiguate_multiple_latches, get_loop_body_with_size,
5272         disambiguate_loops_with_multiple_latches): New functions.
5273         (flow_loop_dump): Dump multiple latch edges.
5274         (flow_loop_nodes_find): Handle loops with multiple latches.
5275         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5276         (glb_enum_p): Modified.
5277         (get_loop_body): Use get_loop_body_with_size.
5278         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5279         (AVOID_CFG_MODIFICATIONS): New constant.
5280         (disambiguate_loops_with_multiple_latches, add_loop,
5281         get_loop_body_with_size): Declare.
5282         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5283
5284 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5285
5286         PR inline-asm/28686
5287         * global.c (compute_regsets): New function.
5288         (global_alloc): Refactored ELIMINABLE_REGSET
5289         and NO_GLOBAL_ALLOC_REGS computation out.
5290         (rest_of_handle_global_alloc): Call compute_regsets()
5291         for non-optimizing case.
5292
5293 2007-02-06  Richard Henderson  <rth@redhat.com>
5294
5295         * config/i386/constraints.md (Y2): Rename from Y.
5296         (Yi): New constraint.
5297         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5298         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5299         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5300         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5301         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5302         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5303         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5304         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5305         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5306         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5307         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5308         vec_extractv2si_1): Change Y constraints to Y2.
5309         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5310         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5311         Change Y constraints to Y2.
5312         (sse2_loadld): Change Y constraints to x.
5313
5314 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5315
5316         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5317         (parity<mode>2): New define_expand using rs6000_emit_parity.
5318         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5319         rs6000_emit_parity): New functions.
5320         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5321         rs6000_emit_parity): Prototype here.
5322
5323 2007-02-06  Ian Lance Taylor  <iant@google.com>
5324
5325         * lower-subreg.c (simple_move_operand): Reject CONST.
5326         (resolve_clobber): Call validate_change rather than directly
5327         assigning to XEXP (pat, 0).
5328
5329 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5330
5331         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5332         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5333         (tree-cfg.o): Remove hashtab.h dependency.
5334
5335         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5336         (struct ivopts_data): Change niters to pointer_map_t.
5337         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5338         (niter_for_exit): Create pointer_map on demand.  Change for
5339         pointer_map API.
5340         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5341         (free_loop_data): Destroy data->niters if created and reset field.
5342         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5343         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5344
5345         * tree-ssa-reassoc.c: Include pointer-set.h.
5346         (bb_rank): Change to long *.
5347         (operand_rank): Change to pointer_map_t.
5348         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5349         (insert_operand_rank): Accept long.
5350         (operand_entry_hash, operand_entry_eq): Remove.
5351         (get_rank): Return long.  Adjust for changes above.
5352         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5353         and operand_rank.
5354         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5355
5356         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5357         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5358         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5359         is not NULL.
5360         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5361         directly since it cannot be NULL.
5362         (get_vi_for_tree): Rewrite for pointer_map API.
5363         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5364         (init_alias_vars): Create vi_for_tree as pointer_map.
5365         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5366
5367         * tree-cfg.c: Don't include hashtab.h.
5368         (edge_to_cases): Declare as pointer_map.
5369         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5370         Delete.
5371         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5372         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5373         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5374         destroying it.
5375         (record_switch_edge): Delete.
5376         (get_cases_for_edge): Adjust for pointer_map API, inline
5377         record_switch_edge (rewritten for new API), remove goto.
5378
5379 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5380
5381         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5382         * tree-nested.c: Include pointer-set.h.
5383         (var_map_elt, var_map_eq, var_map_hash): Delete.
5384         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5385         to pointer_map_t's.
5386         (nesting_info_bitmap_obstack): New.
5387         (lookup_field_for_decl): Adjust for pointer_map API.
5388         (lookup_tramp_for_decl): Adjust for pointer_map API.
5389         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5390         (get_local_debug_decl): Adjust for pointer_map API.
5391         (convert_nl_goto_reference): Adjust for pointer_map API.
5392         (convert_nl_goto_receiver): Adjust for pointer_map API.
5393         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5394         the new obstack.  Create field_map and var_map as pointer_maps.
5395         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5396         (root): Delete.
5397         (lower_nested_functions): Move root here, no need to NULL it.
5398         Initialize and release the obstack.
5399
5400 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5401
5402         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5403         Remove prototypes and make them non-static.
5404         (struct tree_int_map): Remove.
5405         * tree.h (struct tree_int_map): Move here, turning TO into an
5406         unsigned int.
5407         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5408
5409         * tree.h (TREE_COMPLEXITY): Remove.
5410         (struct tree_exp): Remove complexity field.
5411         * tree.c (build1_stat): Don't set it.
5412
5413 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5414             Victor Kaplansky  <victork@il.ibm.com>
5415
5416         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5417         (vect_is_simple_reduction): Support reduction with induction as
5418         one of the operands.
5419         (vect_is_simple_iv_evolution): Fix formatting.
5420         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5421         formatting.  Don't mark induction phis for vectorization.
5422         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5423         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5424         (vect_get_vec_def_for_operand): Support induction.
5425         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5426         induction case.
5427         (vectorizable_reduction): Support reduction with induction as one of
5428         the operands.
5429         (vectorizable_type_demotion): Use def-type of stmt argument rather
5430         than dummy def-type.
5431
5432         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5433         flag_tree_scev_cprop.
5434         * common.opt (tree-scev-cprop): New flag.
5435
5436         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5437         call to vect_get_new_vect_var.
5438
5439 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5440
5441         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5442         vectype is not NULL.
5443         (vect_pattern_recog_1): Likewise.
5444
5445 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5446
5447         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5448         (fold_negate_expr): Likewise.
5449
5450 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5451
5452         PR debug/30189
5453         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5454         even if cv-qualification is the same.
5455
5456 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5457
5458         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5459         __enable_execute_stack on completion.
5460
5461 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5462
5463         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5464         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5465         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5466         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5467         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5468         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5469         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5470         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5471
5472 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5473
5474         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5475         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5476         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5477         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5478         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5479         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5480         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5481         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5482         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5483         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5484         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5485         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5486         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5487         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5488         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5489         sqrtextenddfxf2_i387): Added amdfam10_decode.
5490
5491         * config/i386/athlon.md (athlon_idirect_amdfam10,
5492         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5493         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5494         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5495         athlon_ivector_store_amdfam10): New define_insn_reservation.
5496         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5497         amdfam10.
5498
5499 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5500
5501         * config/i386/athlon.md (athlon_call_amdfam10,
5502         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5503         define_insn_reservation.
5504         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5505         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5506         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5507
5508 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5509
5510         * config/i386/athlon.md (athlon_sseld_amdfam10,
5511         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5512         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5513
5514 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5515
5516         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5517         define_insn_reservation.
5518         * config/i386/i386.md (sseins): Added sseins to define_attr type
5519         and define_attr unit.
5520         * config/i386/sse.md: Set type attribute to sseins for insertq
5521         and insertqi.
5522
5523 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5524
5525         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5526         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5527         ssecomi_load_amdfam10, ssecomi_amdfam10,
5528         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5529         define_insn_reservation.
5530         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5531
5532 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5533
5534         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5535         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5536         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5537         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5538         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5539         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5540         define_insn_reservation.
5541
5542         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5543         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5544         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5545         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5546         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5547
5548 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5549
5550         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5551         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5552         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5553         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5554         athlon_ssemul_load_k8): Added amdfam10.
5555
5556 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5557
5558         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5559         (x86_sse_unaligned_move_optimal): New variable.
5560
5561         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5562         m_AMDFAM10.
5563         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5564         for unaligned vector SSE double/single precision loads for AMDFAM10.
5565
5566 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5567
5568         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5569         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5570         Define TARGET_CPU_DEFAULT_amdfam10.
5571         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5572         (processor_type): Add PROCESSOR_AMDFAM10.
5573
5574         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5575         processor_type in config/i386/i386.h.
5576         Enable imul peepholes for TARGET_AMDFAM10.
5577
5578         * config.gcc: Add support for --with-cpu option for amdfam10.
5579
5580         * config/i386/i386.c (amdfam10_cost): New variable.
5581         (m_AMDFAM10): New macro.
5582         (m_ATHLON_K8_AMDFAM10): New macro.
5583         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5584         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5585         x86_promote_QImode, x86_integer_DFmode_moves,
5586         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5587         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5588         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5589         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5590         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5591         Enable/disable for amdfam10.
5592         (override_options): Add amdfam10_cost to processor_target_table.
5593         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5594         processor_alias_table.
5595         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5596         (ix86_adjust_cost): Add code for amdfam10.
5597
5598 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5599
5600         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5601         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5602         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5603         * config/i386/i386.h: Add builtin definition for SSE4A.
5604         * config/i386/i386.md: Add support for ABM instructions
5605         (popcnt and lzcnt).
5606         * config/i386/sse.md: Add support for SSE4A instructions
5607         (movntss, movntsd, extrq, insertq).
5608         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5609         Add -march=amdfam10 flag.
5610         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5611         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5612         and amdfam10.
5613         * doc/extend.texi: Add documentation for SSE4A builtins.
5614
5615 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5616
5617         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5618
5619 2007-02-05  Richard Guenther  <rguenther@suse.de>
5620
5621         * tree-vectorizer.h (vectorizable_function): Add argument type
5622         argument, change return type.
5623         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5624         * tree-vect-transform.c (vectorizable_function): Handle extra
5625         argument, return vectorized function decl.
5626         (build_vectorized_function_call): Remove.
5627         (vectorizable_call): Handle calls with result and argument types
5628         differing.  Handle loop vectorization factor correctly.
5629         * targhooks.c (default_builtin_vectorized_function): Adjust for
5630         extra argument.
5631         * targhooks.h (default_builtin_vectorized_function): Likewise.
5632         * target.h (builtin_vectorized_function): Add argument type
5633         argument.
5634         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5635         extra argument, allow vectorizing of lrintf.
5636         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5637         documentation of target hook.
5638
5639 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5640
5641         PR target/30665
5642         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5643         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5644         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5645
5646 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5647
5648         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5649         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5650         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5651         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5652         before canonicalizing sincos to cexpi.
5653         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5654
5655 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5656
5657         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5658         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5659         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5660
5661 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5662
5663         * mips-tfile.c (initialize_init_file): Correct endianness test.
5664
5665 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5666
5667         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5668         the 'y' constraint.
5669
5670 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5671
5672         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5673         saves in a PARALLEL before the register assignments.
5674
5675 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5676
5677         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5678         DWARF_FRAME_RETURN_COLUMN to be a general register.
5679         * dwarf2out.c (init_return_column_size): New function, split from...
5680         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5681         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5682         to be nongeneral registers.
5683         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5684         integer registers.
5685         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5686         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5687
5688 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5689
5690         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5691
5692 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5693
5694         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5695         (remove_path): Use can_remove_branch_p and remove_branch instead
5696         of loop_delete_branch_edge.
5697         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5698         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5699         Update profile using scale_dominated_blocks_in_loop.
5700         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5701         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5702         (can_remove_branch_p, remove_branch): Declare.
5703         * tree-cfg.c (tree_can_remove_branch_p): New function.
5704         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5705         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5706         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5707
5708 2007-02-05  Jan Hubicka  <jh@suse.cz>
5709
5710         PR middle-end/30696
5711         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5712         nodes in cgraph, don't remove offline copy of the function.
5713
5714 2007-02-04  Jan Hubicka  <jh@suse.cz>
5715
5716         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5717         vectors might cause maybe_lookup_element_for_expr to be called
5718         on non-sra-candidate.
5719
5720 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5721
5722         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5723         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5724         spelling conventions.
5725
5726 2007-02-04  Richard Guenther  <rguenther@suse.de>
5727
5728         PR middle-end/30636
5729         * fold-const.c (try_move_mult_to_index): Make sure to not
5730         overflow one dimension of a multi-dimensional array access.
5731
5732 2007-02-04  Jan Hubicka  <jh@suse.cz>
5733
5734         * passes.c (init_optimization_passes): Reindent.
5735
5736 2007-02-04  Jan Hubicka  <jh@suse.cz>
5737             Eric Botcazou  <ebotcazou@adacore.com>
5738
5739         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5740         (execute_fixup_cfg): Break out the abnormal goto code.
5741         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5742         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5743         (optimize_inline_calls): Call make_nonlocal_label_edges.
5744
5745 2007-02-04  Jan Hubicka  <jh@suse.cz>
5746
5747         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5748         true when something was changed.
5749         (rename_ssa_copies): When something was changed, do
5750         TODO_remove_unused_locals.
5751         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5752         add TODO_remove_unused_locals when instruction was removed.
5753
5754 2007-02-04  Jan Hubicka  <jh@suse.cz>
5755
5756         * ipa-inline.c (try_inline): Improve debug output; work on already
5757         inline edges too.
5758         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5759         call try_inline for already inlined edges too when flattening;
5760         inline also functions that make callee growth but overall unit size
5761         reduce.
5762
5763 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5764
5765         * config/m32c/bitops.md, config/m32c/jump.md,
5766         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5767         config/m32r/m32r.h, config/m32r/m32r.md,
5768         config/m32r/predicates.md, config/m68hc11/larith.asm,
5769         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5770         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5771         config/mips/mips-protos.h, config/mips/mips.c,
5772         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5773         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5774         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5775         spelling conventions.
5776
5777         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5778         Follow spelling conventions.
5779
5780 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5781
5782         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5783         warn about C++0x compatibility.
5784
5785 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5786
5787         * config/h8300/h8300.c, config/h8300/h8300.h,
5788         config/h8300/h8300.md: Follow spelling conventions.
5789
5790 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5791
5792         PR middle-end/30667
5793         * combine.c (try_combine): Do not substitute source operand
5794         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5795
5796 2007-02-03  Jan Hubicka  <jh@suse.cz>
5797
5798         PR gcov-profile/30650
5799         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5800         do not divide by zero for never executed counters.
5801         (tree_find_values_to_profile): Fix counters.
5802         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5803
5804 2007-02-03  Ian Lance Taylor  <iant@google.com>
5805
5806         * lower-subreg.c (simple_move_operand): New static function,
5807         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5808         operands.
5809         (simple_move): Call simple_move_operand.
5810         (find_decomposable_subregs): Add special handling of MEMs.
5811         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5812         meaning of return value.  If we see a hard register, test whether
5813         it can store a word_mode value.  Change all callers.
5814
5815 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5816
5817         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5818         ftrapv insns and expanders.
5819         (subdi3): Change define_expand operand 1 to arith11_operand, and
5820         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5821         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5822         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5823         respectively.
5824
5825         PR middle-end/30174
5826         * varasm.c (notice_global_symbol): Treat global objects as weak when
5827         flag_shlib is true.
5828
5829 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5830
5831         * emit-rtl.c (dconstpi): Delete.
5832         (dconstsqrt2): New.
5833         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5834         * real.h (dconstpi): Delete.
5835         (dconstsqrt2): New.
5836         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5837         (fold_builtin_hypot): Likewise.
5838
5839 2007-02-03  Tom Tromey  <tromey@redhat.com>
5840
5841         PR driver/30246
5842         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5843         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5844
5845 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5846
5847         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5848         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5849         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5850         config/rs6000/cell.md, config/rs6000/darwin.h,
5851         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5852         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5853         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5854         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5855         typos.  Follow spelling conventions.
5856         * doc/invoke.texi: Follow spelling conventions.
5857
5858 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5859
5860         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5861         canonicalization transformations that attempt to simplify integer
5862         constant comparisons to become comparisons against zero.
5863
5864 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5865
5866         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5867         fabs(x)*sqrt(2).
5868         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5869         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5870
5871 2007-02-02  Mike Stump  <mrs@apple.com>
5872
5873         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5874         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5875         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5876         generate a branch island.
5877
5878 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5879
5880         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5881         (xtensa_legitimate_address_p): New.
5882         (xtensa_legitimize_address): New.
5883         (xtensa_output_addr_const_extra): New.
5884         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5885         (BASE_REG_P): New.
5886         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5887         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5888         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5889         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5890         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5891         (xtensa_legitimize_address): New.
5892         (xtensa_output_addr_const_extra): New.
5893
5894 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5895
5896         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5897
5898 2007-02-02  Ian Lance Taylor  <iant@google.com>
5899
5900         * expmed.c (expand_divmod): Add comment.
5901
5902 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5903
5904         * emit-rtl.c (renumber_insns): Remove.
5905         * flags.h: Remove the extern for flag_renumber_insns.
5906         * rtl.h: Remove the prototype for renumber_insns.
5907         * toplev.c (flag_renumber_insns): Remove.
5908
5909 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5910
5911         Revert for x86 darwin:
5912         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5913
5914         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5915         code before the following patch under TARGET_MACHO.
5916         (ix86_function_value_regno_p): Likewise.
5917
5918 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5919
5920         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5921         COMPLEX_EXPR.
5922
5923 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5924
5925         PR target/29682
5926         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5927         general or fp registers.  Add comments.
5928         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5929
5930 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5931
5932         * pointer-set.c (insert_aux): Only return insertion slot.
5933         (pointer_set_insert): Adjust.
5934         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5935         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5936         pointer_map_traverse): New.
5937         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5938         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5939         pointer_map_contains, pointer_map_traverse): Declare.
5940
5941 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5942
5943         PR middle-end/30473
5944         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5945         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5946
5947 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5948
5949         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5950
5951         (struct _dep): New type.
5952         (dep_t): New typedef.
5953         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5954         (DEP_STATUS): New access macro.  The macro with the same name was
5955         renamed to DEP_LINK_STATUS.
5956         (dep_init): Declare function
5957
5958         (struct _dep_link): New type.
5959         (dep_link_t): New typedef.
5960         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5961         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5962         (DEP_LINK_STATUS): New macro.
5963         (debug_dep_links): New debug function.
5964
5965         (struct _deps_list): New type.
5966         (deps_list_t): New typedef.
5967         (DEPS_LIST_FIRST): New access macro.
5968         (FOR_EACH_DEP_LINK): New cycle macro.
5969         (create_deps_list, free_deps_list, delete_deps_list): Declare
5970         functions.
5971         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5972         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5973         (copy_deps_list_change_con): Ditto.
5974
5975         (move_dep_link): Declare function.
5976
5977         (struct _dep_node): New type.
5978         (dep_node_t): New typedef.
5979         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5980
5981         (struct haifa_insn_data.back_deps): New field to hold backward
5982         dependencies of the insn.
5983         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
5984         to deps_list_t.
5985         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5986         Change its type to deps_list_t.
5987         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5988         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5989         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5990
5991         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
5992
5993         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
5994
5995         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5996         all callers.
5997         (dep_cost): Declare.
5998
5999         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6000         (ds_to_dk, dk_to_ds): New functions.
6001
6002         (init_dep_1): New static function.
6003         (init_dep): New function.
6004         (copy_dep): New static function.
6005
6006         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6007         functions.
6008         (detach_dep_link): New static function.
6009         (move_dep_link): New function.
6010
6011         (dep_links_consistent_p, dump_dep_links): New static functions.
6012         (debug_dep_links): New debugging function.
6013
6014         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6015
6016         (alloc_deps_list, init_deps_list): New static functions.
6017         (create_deps_list): New function.
6018         (clear_deps_list): New static function.
6019         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6020         (deps_list_consistent_p, dump_deps_list): New static functions.
6021         (debug_deps_list): New function.
6022         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6023         functions.
6024         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6025
6026         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6027         use new scheduler dependencies lists.
6028         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6029         (sched_analyze): Ditto.  Initialize dependencies lists.
6030         (add_forw_dep, compute_forward_dependences): Update to use new
6031         scheduler dependencies lists.
6032
6033         (init_dependency_caches): Init deps_obstack.
6034         (free_dependency_caches): Free deps_obstack.
6035
6036         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6037         new scheduler dependencies lists.
6038         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6039         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6040
6041         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6042         Update to use new scheduler dependencies lists.
6043         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6044         (debug_dependencies): Ditto.
6045         (schedule_region): Update comments.
6046
6047         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6048         scheduler dependencies lists.
6049         (schedule_ebb): Update comments.
6050
6051         * rtl.def (DEPS_LIST): Remove.
6052
6053         * lists.c (unused_deps_list): Remove.
6054         (free_list): Update assertions.
6055
6056         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6057         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6058
6059         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6060         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6061
6062         * haifa-sched.c (comments): Update.
6063         (insn_cost1): Remove.  Inline the code into insn_cost ().
6064         (insn_cost): Update to use new scheduler dependencies lists.  Move
6065         processing of the dependency cost to dep_cost ().
6066         (dep_cost): New function.  Use it instead of insn_cost () when
6067         evaluating cost of the dependency.  Use compatible interface to
6068         interact with the target.
6069         (priority): Update to use new scheduler dependencies lists.
6070         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6071         with greater number of insns that depend on the insn.
6072         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6073         code to free backward dependencies lists.  Inline and optimize code
6074         from resolve_dep () - see PR28071.
6075         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6076         lists.  Update call to targetm.sched.is_costly_dependence hook.
6077
6078         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6079         scheduler dependencies lists.
6080
6081         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6082         (init_h_i_d): Initialize dependencies lists.
6083
6084         (process_insn_depend_be_in_spec): Rename to
6085         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6086         dependencies lists.
6087         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6088         Update to use new scheduler dependencies lists.
6089         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6090
6091         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6092         new scheduler dependencies lists.
6093         (build_intra_loop_deps): Ditto.
6094
6095         * target.h (struct _dep): Declare to use in
6096         gcc_target.sched.is_costly_dependence.
6097         (struct gcc_target.sched.adjust_cost): Fix typo.
6098         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6099         single dep_t parameter instead of an equivalent triad.
6100         (struct gcc_target.sched.adjust_cost_2): Remove.
6101
6102         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6103
6104         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6105
6106         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6107         documentation.
6108         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6109
6110         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6111         (REG_DEP_TRUE): Document.
6112
6113         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6114         Change signature to correspond to the targetm.sched.adjust_cost hook.
6115         Update use in TARGET_SCHED_ADJUST_COST_2.
6116         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6117         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6118         new scheduler dependencies lists.
6119         (ia64_gen_check): Ditto.
6120
6121         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6122         dependencies lists.
6123
6124         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6125         signature to correspond to the targetm.sched.is_costly_dependence hook.
6126         (is_costly_group): Update to use new scheduler dependencies lists.
6127
6128         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6129         instead of INSN_COST () macro.
6130
6131 2007-02-01  Ian Lance Taylor  <iant@google.com>
6132
6133         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6134
6135 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6136
6137         * pa.md (tp_load): Correct mfctl instruction syntax.
6138
6139 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6140
6141         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6142         altivec_padding_size calculation on AIX.  Improve comment, add
6143         assert to verify that it's right.
6144
6145         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6146         64-bit.
6147
6148 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6149
6150         PR inline-asm/28686
6151         * global.c (global_alloc): Add mising initialization of
6152         ELIMINABLE_REGSET.
6153
6154 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6155
6156         * alias.c (init_alias_analysis): Correct whitespace.
6157         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6158         partition_hot_cold_basic_blocks): Likewise.
6159         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6160         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6161         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6162         fold_builtin_snprintf_chk, fold_builtin_printf,
6163         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6164         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6165         * cfgcleanup.c (cleanup_cfg): Likewise.
6166         * cfgexpand.c (tree_expand_cfg): Likewise.
6167         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6168         * function.c (get_next_funcdef_no): Likewise.
6169         * gengtype.c (main): Likewise.
6170         * genmodes.c (main): Likewise.
6171         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6172         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6173         * ifcvt.c (noce_emit_move_insn): Likewise.
6174         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6175         Likewise.
6176         * stor-layout.c (get_best_mode): Likewise.
6177         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6178         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6179         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6180         perform_var_substitution, solve_graph): Likewise.
6181         * tree-vrp.c (vrp_finalize): Likewise.
6182
6183 2007-02-01  Ian Lance Taylor  <iant@google.com>
6184
6185         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6186         high part of a paradoxical subreg, return a constant zero.
6187
6188 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6189
6190         * toplev.c (lang_dependent_init): Call init_set_costs.
6191         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6192
6193 2007-02-01  Richard Guenther  <rguenther@suse.de>
6194
6195         PR middle-end/30656
6196         * fold-const.c (fold_negate_expr): Allow negating a
6197         constant if overflow does not change.
6198
6199 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6200
6201         * doc/c-tree.texi (Expression trees): Improve markup.
6202         * doc/tm.texi (Register Classes, Addressing Modes)
6203         (Floating Point): Fix spacing after abbreviations.  Fix some
6204         typos.
6205
6206 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6207
6208         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6209         * doc/contrib.texi: Likewise.
6210         * doc/install.texi: Likewise.
6211
6212 2007-01-31  Richard Henderson  <rth@redhat.com>
6213             Ian Lance Taylor  <iant@google.com>
6214
6215         * lower-subreg.c: New file.
6216         * rtl.def (CONCATN): Define.
6217         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6218         pass_lower_subreg2.
6219         * emit-rtl.c (update_reg_offset): New static function, broken out
6220         of gen_rtx_REG_offset.
6221         (gen_rtx_REG_offset): Call update_reg_offset.
6222         (gen_reg_rtx_offset): New function.
6223         * regclass.c: Revert patch of 2006-03-05, restoring
6224         reg_scan_update.
6225         (clear_reg_info_regno): New function.
6226         * dwarf2out.c (concatn_loc_descriptor): New static function.
6227         (loc_descriptor): Handle CONCATN.
6228         * common.opt (fsplit_wide_types): New option.
6229         * opts.c (decode_options): Set flag_split_wide_types when
6230         optimizing.
6231         * timevar.def (TV_LOWER_SUBREG): Define.
6232         * rtl.h (gen_reg_rtx_offset): Declare.
6233         (reg_scan_update): Declare.
6234         * regs.h (clear_reg_info_regno): Declare.
6235         * tree-pass.h (pass_lower_subreg): Declare.
6236         (pass_lower_subreg2): Declare.
6237         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6238         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6239         -fsplit-wide-types.
6240         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6241         * Makefile.in (OBJS-common): Add lower-subreg.o.
6242         (lower-subreg.o): New target.
6243
6244 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6245
6246         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6247
6248 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6249
6250         PR target/19087
6251         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6252
6253 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6254
6255         PR middle-end/29335
6256         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6257
6258 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6259
6260         * cfgloop.h: Include vec-prim.h.
6261         (enum li_flags): Remove LI_ONLY_OLD.
6262         (loop_iterator): Changed.
6263         (fel_next, fel_init): Iterate over loop tree.
6264         (FOR_EACH_LOOP_BREAK): New macro.
6265         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6266         FOR_EACH_LOOP.
6267         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6268         * modulo-sched.c (sms_schedule): Ditto.
6269         * tree-vectorizer.c (vectorize_loops): Ditto.
6270         * doc/loop.texi: Update information on loop numbering and behavior of
6271         FOR_EACH_LOOP wrto new loops.
6272         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6273         add_to_evolution_1): Test nestedness of loops instead of comparing
6274         their numbers.
6275         * tree-chrec.c (chrec_fold_plus_poly_poly,
6276         chrec_fold_multiply_poly_poly, chrec_evaluate,
6277         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6278         reset_evolution_in_loop): Ditto.
6279         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6280
6281 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6282
6283         * c-common.c (warn_about_parentheses): Separate warning about
6284         un-parenthized sequence of comparison operators from the one
6285         which is supposed to warn about x <= y <= z.
6286
6287 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6288
6289         * optabs.h (enum optab_index): Add new OTI_isinf.
6290         (isinf_optab): Define corresponding macro.
6291         * optabs.c (init_optabs): Initialize isinf_optab.
6292         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6293         patterns.
6294         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6295         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6296         using isinf_optab.
6297         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6298         expand_builtin_interclass_mathfn.
6299         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6300         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6301         (fxam<mode>2_i387): New insn pattern.
6302         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6303         built-in functions as x87 inline asm.
6304
6305 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6306
6307         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6308
6309 2007-01-30  Eric Christopher  <echristo@apple.com>
6310
6311         * config.gcc: Add geode.
6312
6313 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6314
6315         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6316         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6317         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6318         value-prof.c: Fix comment typos.
6319
6320 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6321
6322         PR c++/24745
6323         * doc/invoke.texi (Wpointer-arith): Document warning.
6324
6325 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6326
6327         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6328         the list of discrepancies from the draft TR.
6329
6330 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6331
6332         PR c++/30601
6333         * doc/invoke.texi (-Wreturn-type): Update description to
6334         match new behavior.
6335
6336 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6337
6338         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6339
6340 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6341
6342         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6343         to handle optabs that operate on floating point input argument and
6344         output to integer output.
6345         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6346         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6347         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6348         expand_builtin_interclass_mathfn ().
6349         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6350         (ilogbsi2): Remove.
6351         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6352         ilogbl built-in functions as x87 intrinsics.
6353
6354 2007-01-30  Richard Guenther  <rguenther@suse.de>
6355
6356         PR middle-end/27657
6357         * dwarf2out.c (reference_to_unused): Query varpool if the
6358         variable was output.
6359
6360 2007-01-30  Richard Guenther  <rguenther@suse.de>
6361
6362         PR middle-end/30313
6363         * passes.c (execute_one_pass): Reset in_gimple_form to not
6364         confuse non-unit-at-a-time mode.
6365
6366 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6367             Richard Guenther  <rguenther@suse.de>
6368
6369         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6370         avoid undefined behaviour on overflow.  Use force_fit_type_double
6371         to construct the constant with the specified TREE_OVERFLOW.
6372
6373 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6374
6375         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6376         * config/dfp-bit.h: Ditto.
6377
6378 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6379
6380         * c-decl.c (pop_scope): Replace warnings with call to
6381         warn_for_unused_label.
6382         * c-common.h (warn_for_unused_label): Declare.
6383         * c-common.c (warn_for_unused_label): Define.
6384
6385 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6386
6387         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6388         function.
6389
6390 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6391
6392         * Makefile.in (USER_H): Remove decfloat.h.
6393         * ginclude/decfloat.h: Delete, moving contents to ...
6394         * ginclude/float.h: Add support for decimal floating point,
6395         guarded by __STDC_WANT_DEC_FP__.
6396
6397 2007-01-29  Mike Stump  <mrs@apple.com>
6398
6399         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6400         Analysis and Representation to resolve case insensitive conflict.
6401         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6402
6403 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6404
6405         * tree.h (struct tree_memory_tag): Add aliases member.
6406         (MTAG_ALIASES): New macro.
6407         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6408         (add_may_alias): Remove pointer-set. Update for may_aliases being
6409         a bitmap.
6410         (mark_aliases_call_clobbered): Update for may_aliases being a
6411         bitmap.
6412         (compute_tag_properties): Ditto.
6413         (create_partition_for): Ditto.
6414         (compute_memory_partitions): Ditto.
6415         (dump_may_aliases_for): Ditto.
6416         (is_aliased_with): Ditto.
6417         (add_may_alias_for_new_tag): Ditto.
6418         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6419         (compute_is_aliased): New function.
6420         (compute_may_aliases): Call compute_is_aliased).
6421         (init_alias_info): Initialize alias_bitmap_obstack.
6422         (union_alias_set_into): New function.
6423         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6424         (have_common_aliases_p): Rewrite to take two bitmaps and use
6425         intersection.
6426         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6427         Update for bitmaps.
6428         (finalize_ref_all_pointers): Update for add_may_alias changes.
6429         (new_type_alias): Ditto.
6430         * tree-flow-inline.h (may_aliases): Return a bitmap.
6431         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6432         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6433         may_aliases being a bitmap.
6434         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6435         may_aliases now returns a bitmap.
6436         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6437         being a bitmap.
6438         * tree-ssa-operands.c (add_virtual_operand): Update for
6439         may_aliases being a bitmap.
6440
6441 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6442
6443         PR tree-optimization/30630
6444         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6445         variable as changed.
6446
6447 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6448
6449         PR c++/28266
6450         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6451         expanded only once even if an error occurs.
6452
6453 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6454
6455         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6456         (__gcov_average_profiler): Likewise.
6457         (__gcov_ior_profiler): Likewise.
6458         (__gcov_merge_ior): Likewise.
6459
6460 2007-01-28  Jan Hubicka  <jh@suse.cz>
6461
6462         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6463         * value-prof.c (stringop_block_profile): Likewise.
6464
6465 2007-01-28  Jan Hubicka  <jh@suse.cz>
6466
6467         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6468         variant handling histograms; add wrapper.
6469         (clear_storage_via_libcall): Export.
6470         (emit_block_move_hints): Break out from ...; add histograms.
6471         (emit_block_move): ... this one.
6472         (clear_storage_hints): Break out from ...; add histograms.
6473         (clear_storage): ... this one.
6474         (set_storage_via_memset): Handle histogram.
6475         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6476         (clear_storage_hints, clear_storage_via_libcall): Declare.
6477         (set_storage_via_setmem): Update prototype.
6478         * doc/md.texi (movmem, setmem): Document new arguments.
6479
6480         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6481         new histograms.
6482         (stringop_block_profile): New global function.
6483         (tree_stringops_values_to_profile): Profile block size and alignment.
6484         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6485         HIST_TYPE_IOR.
6486         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6487         (stringop_block_profile): Declare.
6488         * builtins.c: Include value-prof.h.
6489         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6490         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6491         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6492         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6493         * profile.c (instrument_values): Add new counters.
6494         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6495         calls.
6496         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6497         (tree_init_edge_profiler): Build new profilers.
6498         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6499         (pass_tree_profile): Add dump.
6500         (tree_profile_hooks): Update.
6501         * Makefile.in (LIBGCOV): Add new constants.
6502         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6503         __gcov_ior_profiler): New.
6504         * i386.md (movmem/setmem expanders): Add new optional arguments.
6505
6506 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6507
6508         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6509
6510 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6511
6512         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6513         (tree_unswitch_single_loop): Pass eni_size_weights to
6514         tree_num_loop_insns.
6515         * tree-ssa-loop-manip.c: Include tree-inline.h.
6516         (can_unroll_loop_p): Pass eni_size_weights to
6517         tree_num_loop_insns.
6518         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6519         Pass eni_size_weights to estimate_num_insns.
6520         * tree.h (init_inline_once): Export.
6521         * toplev.c (backend_init): Call init_inline_once.
6522         * cgraphunit.c (cgraph_process_new_functions,
6523         cgraph_analyze_function): Pass eni_inlining_weights to
6524         estimate_num_insns.
6525         * ipa-inline.c (compute_inline_parameters): Ditto.
6526         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6527         to estimate_num_insns.
6528         (try_unroll_loop_completely): Pass eni_size_weights to
6529         tree_num_loop_insns.
6530         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6531         ot estimate_num_insns.
6532         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6533         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6534         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6535         eni_time_weights): New variables.
6536         (init_inline_once): Initialize them.
6537         (struct eni_data): Mew.
6538         (estimate_num_insns_1, estimate_num_insns): Use weights.
6539         * tree-inline.h (struct eni_weights_d): New.
6540         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6541         (estimate_num_insns): Declaration changed.
6542         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6543         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6544         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6545
6546 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6547
6548         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6549         relations in the conflict function is valid.
6550
6551 2007-01-27  Ian Lance Taylor  <iant@google.com>
6552
6553         * common.opt: Add fstrict-overflow.
6554         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6555         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6556         (TYPE_OVERFLOW_UNDEFINED): Define.
6557         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6558         Replace all uses.
6559         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6560         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6561         (fold_negate_expr): Likewise.
6562         (make_range): Likewise.
6563         (extract_muldiv_1): Likewise.
6564         (maybe_canonicalize_comparison): Likewise.
6565         (fold_comparison): Likewise.
6566         (fold_binary): Likewise.
6567         (tree_expr_nonnegative_p): Likewise.
6568         (tree_expr_nonzero_p): Likewise.
6569         * tree-vrp.c (compare_values): Likewise.
6570         (extract_range_from_binary_expr): Likewise.
6571         (extract_range_from_unary_expr): Likewise.
6572         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6573         Likewise.
6574         (nowrap_type_p): Likewise.
6575         * tree-scalar-evolution.c (simple_iv): Likewise.
6576         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6577         (build_range_check): Likewise.
6578         (extract_muldiv_1): Likewise.
6579         (fold_comparison): Likewise.
6580         * tree-vrp.c (vrp_int_const_binop): Likewise.
6581         (extract_range_from_unary_expr): Likewise.
6582         * convert.c (convert_to_integer): Likewise.
6583         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6584         (fold_comparison): Likewise.
6585         (fold_binary): Likewise.
6586         * optabs.c (optab_for_tree_code): Likewise.
6587         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6588         * simplify-rtx.c (simplify_const_relational_operation): Check
6589         flag_strict_overflow and flag_trapv.
6590         (simplify_const_relational_operation): Likewise.
6591         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6592         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6593         -fstrict-overflow.
6594
6595 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6596
6597         * tree.c (tree_fold_gcd): Delete.
6598         * tree.h (tree_fold_gcd): Remove prototype.
6599         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6600         test whether one constant integer is a multiple of another.  Instead
6601         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6602         * fold-const.c (multiple_of_p):  We've determined both TOP and
6603         BOTTOM are integer constants so we can call int_const_binop directly
6604         instead of the more generic const_binop.
6605
6606 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6607
6608         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6609         1*X check that the constant hasn't overflowed, to preserve the
6610         TREE_OVERFLOW bit.
6611         (round_up): Provide an efficient implementation when rouding-up an
6612         INTEGER_CST to a power-of-two.
6613
6614 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6615
6616         * doc/sourcebuild.texi: Add comma for clarity.
6617         * doc/extend.texi: Fix some typos.
6618         * doc/passes.texi: Likewise.
6619         * doc/cppinternals.texi: Likewise.
6620         * doc/c-tree.texi: Likewise.
6621         * doc/tree-ssa.texi: Likewise.
6622         * doc/install.texi: Likewise.
6623
6624 2007-01-27  Jan Hubicka  <jh@suse.cz>
6625
6626         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6627         (pass_sra): Do not require alias information.
6628         * passes.c (init_optimization_passes): Add SRA
6629
6630 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6631
6632         * tracer.c (rest_of_handle_tracer): We already cleaned
6633         up the CFG in tracer() so don't do it here again.
6634         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6635         cleanup_cfg here, either.  And don't call renumber_insns.
6636
6637         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6638         and BB_HEAD are in the insn stream here.  Instead make sure
6639         that BB_INSN is valid on all insns.  Also, do check here that
6640         there are no pending branch predictions...
6641         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6642         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6643         here.
6644
6645 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6646
6647         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6648         function to simplify/factorize operand order canonicalization.
6649         (ix86_fixup_binary_operands): Reorganize using the above function.
6650         (ix86_binary_operator_ok): Likewise.
6651
6652 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6653
6654         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6655         file scope from optimize_attrs.
6656         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6657         up search.
6658         (optimize_attrs): Clear insn_code_values after freeing it.
6659
6660 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6661
6662         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6663         a parts.base assignment.
6664
6665 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6666
6667         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6668         (compute_subscript_distance, initialize_data_dependence_relation,
6669         finalize_ddr_dependent, analyze_ziv_subscript,
6670         analyze_siv_subscript_cst_affine,
6671         compute_overlap_steps_for_affine_univar,
6672         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6673         analyze_siv_subscript, analyze_miv_subscript,
6674         analyze_overlapping_iterations, subscript_dependence_tester_1,
6675         compute_self_dependence, free_dependence_relation): Work
6676         with affine_fn instead of chrecs.
6677         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6678         common_affine_function, affine_function_base,
6679         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6680         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6681         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6682         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6683         (all_chrecs_equal_p): Removed.
6684         * tree-data-ref.h (affine_fn, conflict_function): New types.
6685         (struct subscript): Change type of conflicting_iterations_in_a
6686         and conflicting_iterations_in_b.
6687
6688 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6689
6690         PR other/30182
6691         * config/pa/pa.h (TARGET_HPUX_11): New.
6692         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6693         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6694
6695 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6696         Richard Guenther  <rguenther@suse.de>
6697
6698         * tree-ssa-structalias.c (solve_graph): Handle case
6699         we merged the variable to another.
6700
6701 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6702
6703         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6704         functions.
6705
6706         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6707         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6708
6709 2007-01-25  DJ Delorie  <dj@redhat.com>
6710
6711         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6712         allow changes to modes which don't fit in those registers.
6713
6714         * reload1.c (choose_reload_regs): Check for invalid subregs before
6715         computing their locations, not after.
6716
6717 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6718
6719         PR 25127
6720         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6721         save Altivec registers in an eh_return function.
6722         (compute_vrsave_mask): Likewise.
6723         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6724         for saving Altivec registers.
6725         (rs6000_emit_prologue): Don't allocate stack twice in
6726         eh_return function.  Correct expected value of altivec_save_offset
6727         when using save_world.  Describe save of R0 to stack when using
6728         save_world.  Describe stack pointer adjustment when using
6729         save_world.  Remove duplicated eh_return parameter register saving.
6730         Update sp_offset variable after save_world.
6731         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6732         darwin-world.asm.
6733         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6734         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6735         implies Altivec.
6736
6737 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6738
6739         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6740
6741 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6742
6743         PR other/30182
6744         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6745         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6746
6747 2007-01-25  Richard Guenther  <rguenther@suse.de>
6748
6749         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6750         * common.opt (-Wcoverage-mismatch): New warning option.
6751         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6752         if -Wcoverage-mismatch is given.
6753
6754 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6755
6756         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6757         (ipcp_driver): Change to static definition.
6758         Add dumping of the ifunctions.
6759         (constant_val_insert): Remove unused parameter. Support for SSA.
6760         (ipcp_propagate_const): Support for SSA.
6761         (ipcp_profile_bb_print): Print only analyzed nodes.
6762         (ipcp_replace_map_create): Remove support for Fortran constant
6763         for now.
6764         * ipa-prop.c (ipa_method_modify_stmt,
6765         ipa_callsite_compute_param): Support for SSA.
6766         * ipa-prop.h (ipcp_driver): Remove declaration.
6767         (IS_VALID_TREE_MAP_INDEX): Add define.
6768
6769 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6770
6771         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6772
6773 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6774
6775         PR middle-end/30447
6776         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6777         constant argument to cabs and do it without checking for
6778         -funsafe-math-optimizations.
6779
6780 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6781
6782         * c-common.h (RID_FIRST_CXX0X): New.
6783         (RID_LAST_CXX0X): New.
6784         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6785         by -Wall.
6786         * c.opt (Wc++0x-compat): New.
6787         * doc/invoke.texi (-Wc++0x-compat): Document.
6788
6789 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6790
6791         * builtins.c (fold_builtin_carg): New.
6792         (fold_builtin_1): Use it.
6793
6794 2007-01-24  Jan Hubicka  <jh@suse.cz>
6795
6796         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6797
6798         * ipa-inline.c (initial_insns, max_insns): Delete.
6799         (compute_max_insns): New function.
6800         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6801         of insns as base for code growth.
6802         (cgraph_decide_inlining): Make initial_insns local; do not compute
6803         max_insns.
6804         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6805         * doc/invoke.texi (inline-unit-growth): Update docs.
6806
6807 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6808
6809         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6810         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6811         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6812         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6813         for CPUs that have PTA_CX16 set.
6814
6815         PR middle-end/27416
6816         * gimplify.c (omp_check_private): New function.
6817         (gimplify_scan_omp_clauses): Use it for
6818         firstprivate/lastprivate/reduction.
6819
6820         PR middle-end/30494
6821         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6822         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6823
6824         PR middle-end/30421
6825         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6826         If lower_lastprivate_clauses emits some statements, append them
6827         to dlist rather than body_p and to body_p append an initializer.
6828         (lower_omp_for): Adjust caller.
6829
6830 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6831
6832         * target.h (globalize_decl_name): New.
6833         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6834         * output.h (default_globalize_decl_name): New.
6835         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6836         globalize_label.
6837         (globalize_decl): Ditto.
6838         (default_globalize_decl_name): New.
6839         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6840         (ia64_handle_version_id_attribute): New.
6841         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6842         (ia64_asm_output_external): Use globalize_decl_name instead
6843         of globalize_label.
6844         * doc/extend.texi (version_id): New pragma.
6845         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6846
6847 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6848
6849         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6850         _uleb128_t and _Unwind_SWord with _sleb128_t.
6851         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6852         uw_frame_state_for, uw_update_context_1): Likewise.
6853         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6854         * unwind-pe.h (read_uleb128, read_sleb128,
6855         read_encoded_value_with_base): Likewise.
6856         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6857
6858 2007-01-24  Richard Guenther  <rguenther@suse.de>
6859
6860         * builtins.c (expand_builtin_cexpi): Get the fndecl
6861         for cexp in the correct way.
6862
6863 2007-01-24  Jan Hubicka  <jh@suse.cz>
6864
6865         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6866
6867 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6868
6869         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6870         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6871         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6872         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6873         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6874         __SIZEOF_PTRDIFF_T__.
6875         * doc/cpp.texi: Documentation for the new builtin macros added.
6876
6877 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6878
6879         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6880         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6881         instead of operands[2] to avoid access past the end of array.
6882
6883 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6884
6885         * reload1.c (emit_reload_insns): Pass the reload register
6886         for a non-spill output reload through forget_old_reloads_1.
6887
6888 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6889
6890         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6891         _SOFT_DOUBLE if doubles use software floating-point.
6892         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6893         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6894         * config/rs6000/darwin-ldouble.c: Also compile functions for
6895         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6896         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6897         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6898         commented-out long double override.
6899         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6900         * config/rs6000/eabispe.h: Likewise.
6901         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6902         long double for non-SPE.
6903         (rs6000_handle_option): Likewise.
6904         (invalid_e500_subreg): Disallow more subregs involding DImode,
6905         DFmode, TImode or TFmode.
6906         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6907         E500 double.
6908         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6909         double.
6910         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6911         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6912         double.
6913         (rs6000_legitimate_address): Also check for TFmode for E500
6914         double.
6915         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6916         (spe_build_register_parallel): Handle TFmode and TCmode.
6917         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6918         double.
6919         (function_arg): Handle TFmode and TCmode for E500 double.
6920         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6921         in general.
6922         (print_operand): Handle TFmode and TImode for %y.
6923         (rs6000_generate_compare): Handle TFmode comparisons for E500
6924         double.
6925         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6926         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6927         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6928         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6929         TFmode for E500 double.
6930         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6931         (floatsidf2): Enable for E500 double.
6932         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6933         (extenddftf2): Change to extenddftf2_fprs.
6934         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6935         depending on TARGET_E500_DOUBLE.
6936         (extendsftf2): Enable for E500 double.
6937         (trunctfdf2): Enable for E500 double.
6938         (trunctfsf2): Change to trunctfsf2_fprs.
6939         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6940         depending on TARGET_E500_DOUBLE.
6941         (floatsitf2): Enable for E500 double.
6942         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6943         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6944         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6945         (negtf2): Change to negtf2_internal.
6946         (negtf2): New expander.
6947         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6948         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6949         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6950         (movdi_internal32): Use rs6000_nonimmediate_operand.
6951         (unnamed splitter): Likewise.
6952         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6953         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6954         (SPE64TF, DITI): New mode macros.
6955         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6956         modes.
6957         (frob_tf_ti): New.
6958         (frob_<mode>_di_2): New.
6959         (frob_tf_di_8_2): New.
6960         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6961         (frob_ti_tf): New.
6962         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6963         more modes.
6964         (frob_ti_<mode>_8_2): New.
6965         (frob_ti_tf_2): New.
6966         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6967         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6968         TFmode.
6969         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6970         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6971         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6972         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6973         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6974         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6975         tsttflt_gp): New.
6976
6977 2007-01-23  Ian Lance Taylor  <iant@google.com>
6978
6979         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6980         insn-*.o first.
6981         (OBJS-archive): Reformat, alphabetize.
6982         (OBJS): Change out_object_file to OBJS-md.
6983
6984 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
6985
6986         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6987         JUMP_P and CALL_P predicates where applicable.
6988         * config/i386/i386.c: Ditto.
6989         * config/i386/i386.md: Ditto.
6990         * config/i386/mmx.md: Ditto.
6991         * config/i386/predicates.md: Ditto.
6992
6993 2007-01-22  Andreas Schwab  <schwab@suse.de>
6994
6995         * config/m68k/m68k.h: Fix comment.
6996
6997 2007-01-22  Jan Hubicka  <jh@suse.cz>
6998
6999         * passes.c (init_optimization_passes): Do not rerun
7000         pass_early_warn_uninitialized.
7001
7002 2007-01-22  Richard Guenther  <rguenther@suse.de>
7003
7004         PR tree-optimization/30038
7005         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7006         function.
7007         (execute_cse_sincos_1): Likewise.
7008         (execute_cse_sincos): Likewise.
7009         (gate_cse_sincos): Likewise.
7010         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7011         the cexpi() canonicalization of sincos().
7012         * tree-pass.h (pass_cse_sincos): Declare.
7013         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7014
7015 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7016
7017         PR rtl-optimization/29329
7018         * combine.c (replaced_rhs_insn): Rename to i2mod.
7019         (replaced_rhs_value): Rename to i2mod_new_rhs.
7020         (i2mod_old_rhs): New global variable.
7021         (combine_instructions): Adjust for above change.  Save a copy of
7022         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7023         note are substituted in the second instruction.
7024         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7025         ditch the note if it pertains to the second eliminated register
7026         and this register is mentioned in i2mod_old_rhs.
7027
7028         Revert:
7029         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7030
7031         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7032         the insn to which the note was originally attached.
7033
7034 2007-01-21  Jan Hubicka  <jh@suse.cz>
7035
7036         * ipa-inline.c (inlining_mode): Comment, move up.
7037         (cgraph_decide_inlining_incrementally): Do not perform inlining
7038         itself; fix handling of flattening of self recursive functions.
7039         (cgraph_find_cycles): Remove.
7040         (cgraph_flatten_node): Remove.
7041         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7042         (try_inline): New function.
7043         (cgraph_early_inlining): Update call of
7044         cgraph_decide_inlining_incrementally.  Apply inlining here.
7045         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7046
7047 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7048
7049         PR bootstrap/30511
7050         * tree-vrp.c (check_array_bounds): do not warn
7051         about ADDR_EXPR's of ARRAY_REF's which are immediately
7052         used in binary expressions.
7053
7054 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7055
7056         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7057         read_write_dep and macros for its access.
7058         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7059         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7060         argument, call vect_check_interleaving for every independent pair of
7061         data-refs. Mark loads that access the same memory location as a store
7062         in the loop.
7063         (vect_check_dependences): Remove.
7064         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7065         call, fix the call to vect_analyze_data_ref_dependence.
7066         (vect_analyze_data_ref_access): For statements that access the same
7067         data-ref, check that they are not stores; for loads, check that there
7068         is no store that access the same location.
7069
7070 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7071             Joseph Myers  <joseph@codesourcery.com>
7072
7073         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7074         (-fdump-rtl-stack): Likewise.
7075         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7076         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7077         (-mpt-fixed): Use @minus{} for minus sign.
7078         (Using Precompiled Headers): Fix under/overfull hbox.
7079
7080 2007-01-20  Jan Hubicka  <jh@suse.cz>
7081
7082         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7083         place within annotation.
7084
7085 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7086
7087         * pa.c (output_move_double): Change array size of xoperands to 4.
7088
7089 2007-01-20  Jan Hubicka  <jh@suse.cz>
7090
7091         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7092         as temporary.
7093
7094 2007-01-19  Ian Lance Taylor  <iant@google.com>
7095
7096         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7097         constant to unsigned HOST_WIDE_INT before negating.
7098
7099 2007-01-19  Ian Lance Taylor  <iant@google.com>
7100
7101         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7102         to unsigned.
7103         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7104         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7105         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7106         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7107         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7108         (realloc_vdef, realloc_vuse): Change second parameter to
7109         unsigned.
7110         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7111         fields to unsigned.
7112         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7113         unsigned. Change x and lim locals to unsigned.
7114         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7115         unsigned.
7116         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7117         (copy_virtual_operands): Change i and n locals to unsigned.
7118
7119 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7120
7121         PR middle-end/29335
7122         * builtins.c (fold_builtin_1): Handle builtin fdim.
7123
7124 2007-01-20  Jan Hubicka  <jh@suse.cz>
7125
7126         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7127         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7128         init_alias_heapvars.
7129         (init_alias_heapvars): Initialize only when not already initialized.
7130         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7131
7132 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7133
7134         * common.opt (fsigned-zeros): New command line option.
7135         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7136         of flag_unsafe_math_optimizations.
7137         * opts.c (set_fast_math_flags): The -ffast-math command line option
7138         implies -fno-signed-zeros.
7139         (fast_math_flags_set_p): Likewise.
7140
7141         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7142         the documentation of -ffast-math appropriately.  Wrap long lines.
7143
7144 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7145
7146         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7147         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7148
7149 2007-01-19  Tomas Bily  <tbily@suse.cz>
7150
7151         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7152         * tree-profile.c:
7153         (tree_init_ic_make_global_vars): New function
7154         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7155         (tree_gen_ic_profiler): New function
7156         (tree_gen_ic_func_profiler): New function
7157         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7158         (tree_profile_hooks): Added hook for indirec/virtual calls
7159         * value-prof.c (tree_find_values_to_profile): New case for
7160         indirect calls
7161         (tree_values_to_profile): Call for determining indirect/virtual
7162         counters
7163         (tree_indirect_call_to_profile): New function
7164         (tree_ic_transform): New function
7165         (tree_ic): New function
7166         (find_func_by_pid): New function
7167         (init_pid_map): New function
7168         (tree_value_profile_transformations): Added check for
7169         indirect/virtual call transformation
7170         * value-prof.h (enum hist_type): New counter type for
7171         indirect/virtual calls
7172         (profile_hooks): Added new hook for profiling indirect/virtual
7173         calls
7174         * profile.c (instrument_values): New case for indirect/virtual
7175         call added
7176         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7177         (GCOV_COUNTER_V_INDIR): New counter type
7178         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7179         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7180         call added
7181         * cgraph.c: Definition of cgraph_max_pid
7182         (cgraph_create_node): Default init of pid attribute
7183         * cgraph.h: Declaration of cgraph_max_pid
7184         (struct cgraph_node): Added pid attribute
7185         * libgcov.c (__gcov_indirect_call_profiler): New function
7186         (__gcov_one_value_profiler_body): New function
7187         (__gcov_one_value_profiler): Body was moved to
7188         __gcov_one_value_profiler_body and calls it
7189
7190 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7191
7192         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7193         * gengtype.c (write_types_data, write_func_for_structure,
7194         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7195         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7196         (walk_type, write_func_for_structure): Generate the mark_hook if
7197         needed.
7198
7199 2007-01-19  Jan Hubicka  <jh@suse.cz>
7200
7201         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7202         'early' argument take inlining mode argument specifying whether to
7203         inline for size/speeed or all functions; add support for flattening;
7204         improve dumpting.
7205         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7206
7207 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7208
7209         PR c++/17947
7210         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7211         the name of the declared identifier.
7212
7213 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7214
7215         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7216         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7217         duplicate evaluation.
7218
7219 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7220
7221         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7222         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7223         to XFMode, use acosxf2 and truncate result to requested mode.
7224         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7225         (asin<mode>2): Similarly, with asin expanders.
7226         (*fscalexf4_i387): Rename from *fscalexf4.
7227         (expNcorexf3): New expander.
7228         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7229         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7230         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7231         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7232         patterns for SSE math.
7233         (exp10<mode>2): Similarly, with exp10 expanders.
7234         (exp2<mode>2): Similarly, with exp2 expanders.
7235         (expm1<mode>2): Similarly, with expm1 expanders.
7236         (ldexp<mode>3): Similarly, with ldexp expanders.
7237         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7238         Use gen_truncxf<mode>2_i387_noop to truncate result.
7239
7240 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7241
7242         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7243         for ColdFire targets.
7244
7245 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7246             Richard Sandiford  <richard@codesourcery.com>
7247
7248         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7249         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7250         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7251         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7252         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7253         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7254
7255 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7256
7257         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7258         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7259         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7260         (*adddi_dilshr32_cf): New pattern.
7261         (adddi3, subdi3): Remove first alternatives.
7262
7263 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7264
7265         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7266         implemented using move.l, do not use its cc result for floating-point
7267         comparisons.
7268
7269 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7270
7271         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7272         from accepting 's' constraints if flag_pic.
7273
7274 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7275
7276         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7277         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7278         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7279         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7280
7281 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7282
7283         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7284         ColdFire alternatives.
7285         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7286         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7287         architectures that support ff1 instruction.
7288
7289 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7290             Julian Brown  <julian@codesourcery.com>
7291
7292         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7293         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7294         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7295         Add commentary.
7296
7297 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7298
7299         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7300         and return a bool.
7301         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7302         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7303         HOST_WIDE_INT instead of an rtx.
7304         (m68k_rtx_costs): Update call accordingly.
7305         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7306         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7307         Return a bool.
7308         (output_move_simode_const): Update calls after above changes.
7309         Rework to use automatic variables and predicates like MEM_P.
7310         * config/m68k/m68k.md (pushexthisi_const): Update call to
7311         valid_mov3q_const.
7312
7313 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7314
7315         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7316         in dump_flags test.
7317
7318 2007-01-19  Richard Guenther  <rguenther@suse.de>
7319
7320         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7321         via cexp in case sincos is not available.
7322
7323 2007-01-19  Richard Guenther  <rguenther@suse.de>
7324
7325         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7326         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7327         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7328         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7329         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7330         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7331         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7332         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7333
7334 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7335
7336         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7337         New insn patterns.
7338         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7339         (atan2xf3): Directly generate RTL pattern.
7340         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7341         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7342         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7343         disable patterns for SSE math.
7344         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7345         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7346         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7347         disable patterns for SSE math.
7348
7349 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7350
7351         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7352
7353 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7354
7355         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7356         VIEW_CONVERT_EXPR to the same type as it's operand.
7357
7358 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7359
7360         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7361         configured for long double 128.
7362
7363 2007-01-18  Mike Stump  <mrs@apple.com>
7364
7365         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7366         error.
7367
7368 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7369
7370         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7371         type correct.
7372
7373 2007-01-18  Jan Hubicka  <jh@suse.cz>
7374
7375         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7376         greater than NUM_VOP_FREE_BUCKETS.
7377
7378 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7379
7380         * tree-ssa-structalias.c: Update comments.
7381         (ptabitmap_obstack): Removed.
7382         (pta_obstack): New.
7383         (oldpta_obstack): Ditto.
7384         (stats): Add a few members.
7385         (struct variable_info): Remove node, complex, address_taken, and
7386         indirect_target members. Add oldsolution member.
7387         (new_var_info): Do not initialize removed members.
7388         (constraint_expr_type): Remove INCLUDES.
7389         (constraint_graph): Add size, implicit_preds, rep,
7390         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7391         (FIRST_REF_NODE): New macro.
7392         (LAST_REF_NODE): Ditto.
7393         (FIRST_ADDR_NODE): Ditto.
7394         (find): New function.
7395         (unite): Ditto.
7396         (dump_constraint): Do not handle INCLUDES.
7397         (insert_into_complex): Do not insert duplicate constraints.
7398         (condense_varmap_nodes): Renamed and rewritten into ...
7399         (merge_node_constraints): This. Also fix bug in handling of
7400         offseted copy constraints.
7401         (clear_edges_for_node): No longer need to deal with preds at all,
7402         or removing associated preds/succs.
7403         (merge_graph_nodes): Deal with indirect_cycles.
7404         Don't deal with predecessors.
7405         (add_implicit_graph_edge): New function.
7406         (add_pred_graph_edge): Ditto.
7407         (add_graph_edge): Don't deal with predecessors.
7408         (build_constraint_graph): Removed.
7409         (build_pred_graph): New function.
7410         (build_succ_graph): Ditto.
7411         (struct scc_info): Removed in_component. Added roots, dfs, and
7412         node_mapping. Remove visited_index, unification_queue.
7413         (scc_visit): Deal with union-find we do now.
7414         Deal with cycles with REF nodes.
7415         (collapse_nodes): Renamed and rewritten to ...
7416         (unify_nodes): This.
7417         (process_unification_queue): Removed.
7418         (topo_visit): Cleanup
7419         (do_da_constraint): Use find.
7420         (do_sd_constraint): Ditto.
7421         (do_ds_constraint): Ditto.
7422         (do_complex_constraint): Ditto.
7423         (init_scc_info): Update for removed and added members.
7424         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7425         (find_indirect_cycles): This.
7426         (equivalence_class): New variable.
7427         (label_visit): New function.
7428         (perform_variable_substitution): Rewritten.
7429         (free_var_substitution_info): New function.
7430         (find_equivalent_node): Ditto.
7431         (move_complex_constraints): Ditto.
7432         (eliminate_indirect_cycles): Ditto.
7433         (solve_graph): Only propagate changed bits.
7434         Use indirect cycle elimination.
7435         Use find.
7436         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7437         (tree_id_eq): Renamed to ...
7438         (tree_vi_eq): This. Update for member change
7439         (insert_id_for_tree): Renamed and rewritten to ...
7440         (insert_vi_for_tree): This.
7441         (lookup_id_for_tree): Renamed and rewritten to ...
7442         (lookup_vi_for_tree): This.
7443         (get_id_for_tree): Renamed and rewritten to ...
7444         (get_vi_for_tree): Ditto.
7445         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7446         (process_constraint): Don't handle INCLUDES.
7447         Remove special ADDRESSOF case.
7448         (find_func_aliases): Rewrite to use vi functions instead of id
7449         ones.
7450         (create_function_info_for): Ditto.
7451         (create_variable_info_for): Ditto.
7452         (intra_create_variable_infos): Ditto.
7453         (merge_smts_into): Ditto.
7454         (find_what_p_points_to): Ditto.
7455         (init_base_vars): Ditto.
7456         (init_alias_vars): Ditto.
7457         (remove_preds_and_fake_succs): New function.
7458         (dump_sa_points_to_info): Dump new stats.
7459         (dump_solution_for_var): Use find.
7460         (set_used_smts): Fix formatting.
7461         (compute_points_to_sets): Updated for new functions.
7462         (ipa_pta_execute): Ditto.
7463
7464 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7465             Richard Sandiford  <richard@codesourcery.com>
7466
7467         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7468         parallels.
7469         * calls.c (expand_call): If the return value is a PARALLEL,
7470         extract its first member.
7471         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7472         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7473         use FUNCTION_EXTRA_EPILOGUE.
7474         (m68k_function_value): Return a PARALLEL if the return value
7475         is of a pointer type.
7476         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7477         (FUNCTION_EXTRA_EPILOGUE): Remove.
7478         * config/m68k/m68k.md (D0_REG): New constant.
7479
7480 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7481
7482         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7483         output a NOP for empty epilogues.
7484
7485 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7486
7487         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7488         before function.  Extend register save check to include all
7489         registers, not just integer ones.
7490
7491 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7492
7493         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7494         (m68k_use_return_insn): ...this.
7495         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7496         * config/m68k/m68k.c (use_return_insn): Rename to...
7497         (m68k_use_return_insn): ...this.
7498         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7499         of USE_RETURN_INSN.
7500
7501 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7502
7503         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7504         nearest even, fix denormal rounding overflow.
7505
7506 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7507
7508         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7509         f%$smove and f%$move.
7510         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7511         (extendsfdf2_cf): Use fdmove instead of f%&move.
7512         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7513         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7514
7515 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7516
7517         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7518         GPR<-GPR moves.
7519
7520 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7521
7522         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7523         (coldfire_single_format): Declare.
7524         (coldfire_double_format): Likewise.
7525         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7526         of qnan_msb_set to determine the lower bits of a canonical
7527         NaN significand.
7528         (encode_ieee_double): Likewise.
7529         (encode_ieee_quad): Likewise.
7530         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7531         (mips_single_format): Likewise.
7532         (ieee_double_format): Likewise.
7533         (mips_double_format): Likewise.
7534         (ieee_extended_motorola_format): Likewise.
7535         (ieee_extended_intel_96_format): Likewise.
7536         (ieee_extended_intel_128_format): Likewise.
7537         (ieee_extended_intel_96_round_53_format): Likewise.
7538         (ibm_extended_format): Likewise.
7539         (mips_extended_format): Likewise.
7540         (ieee_quad_format): Likewise.
7541         (mips_quad_format): Likewise.
7542         (vax_f_format): Likewise.
7543         (vax_d_format): Likewise.
7544         (vax_g_format): Likewise.
7545         (i370_single_format): Likewise.
7546         (i370_double_format): Likewise.
7547         (decimal_single_format): Likewise.
7548         (decimal_double_format): Likewise.
7549         (decimal_quad_format): Likewise.
7550         (c4x_single_format): Likewise.
7551         (c4x_extended_format): Likewise.
7552         (real_internal_format): Likewise.
7553         (coldfire_single_format): New real_format.
7554         (coldfire_double_format): Likewise.
7555         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7556         canonical_nan_lsbs_set.
7557         (pdp11_d_format): Likewise.
7558         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7559         if TARGET_COLDFIRE_CPU.
7560
7561 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7562
7563         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7564         (output_call, m68k_legitimize_call_address): Declare.
7565         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7566         parenthesees.  Add support for a 'W' constraint.
7567         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7568         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7569         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7570         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7571         variables.
7572         (override_options): Initialize them.  Do not set flag_no_function_cse
7573         for TARGET_ID_SHARED_LIBRARY.
7574         (m68k_output_pic_call): Delete.
7575         (m68k_legitimize_call_address): New function.
7576         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7577         (output_call): New function.
7578         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7579         target address from the GOT if symbolic jumps are not allowed.
7580         * config/m68k/m68k.md (call, general_operand): Do not set
7581         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7582         Merge separate flag_pic and !flag_pic define_insns into...
7583         (*call, *call_value): ...these new patterns.  Match the address
7584         rather than the containing MEM and require it to be a call_operand.
7585         Use output_call to generate the asm template.
7586         * config/m68k/predicates.md (const_call_operand): New predicate.
7587         (call_operand): Likewise.
7588
7589 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7590
7591         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7592         (STACK_GROWS_DOWNWARD): Define to 1.
7593         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7594         comments, emphasizing that these values are only defaults.
7595         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7596         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7597
7598 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7599
7600         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7601
7602 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7603             Richard Sandiford  <richard@codesourcery.com>
7604
7605         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7606         (FP_REGNO_P): New macros.
7607         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7608         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7609         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7610         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7611
7612 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7613
7614         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7615         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7616         to $tmake_file.
7617         * config/m68k/t-floatlib: New file, extracting common code from...
7618         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7619         * config/m68k/t-uclinux: Here.
7620         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7621         routines on ColdFire targets.
7622
7623 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7624
7625         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7626         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7627         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7628         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7629         explicitly set MOTOROLA to 1.
7630         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7631
7632 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7633             Nathan Sidwell  <nathan@codesourcery.com>
7634
7635         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7636         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7637         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7638         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7639         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7640         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7641         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7642         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7643         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7644         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7645         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7646         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7647         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7648         (DBX_REGISTER_NUMBER): Delete.
7649         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7650         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7651         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7652
7653 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7654
7655         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7656         * config/flat.h: New file.
7657         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7658         OBJECT_FORMAT_FLAT.
7659         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7660         indirect references for -msep-data or -mid-shared-library.
7661         Do not use PC-relative code addresses either.
7662         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7663         to -mpcrel.
7664         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7665         for shared libraries and crt1.o for executables.  Use crti.o and
7666         crtbegin.o.
7667         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7668         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7669         Do not add -elf2flt or -shared-lib-id options here.
7670         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7671         Pass -shared-lib-id if -mid-shared-library, taking the library
7672         identifier from -mshared-library-id if given, otherwise
7673         defaulting to 0.
7674         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7675         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7676         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7677         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7678         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7679         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7680         and crtend.o.
7681         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7682         jump sequence for ISA A and ISA A+.
7683         (PICJUMP): Likewise.
7684
7685 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7686
7687         * config.gcc (m68k-*-uclinux*): Base the port on the common
7688         and m68k GNU/Linux files rather than on the generic ELF ones.
7689         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7690         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7691
7692 2007-01-18  Julian Brown  <julian@codesourcery.com>
7693             Richard Sandiford  <richard@codesourcery.com>
7694
7695         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7696         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7697         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7698         before redefining.
7699         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7700         80 unconditionally.
7701         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7702
7703 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7704
7705         * doc/install.texi: Document m68k-uclinuxoldabi.
7706         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7707         * config/m68k/uclinux-oldabi.h: New file, copied from
7708         config/m68k/uclinux.h.
7709
7710 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7711
7712         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7713         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7714         (m32r_compute_frame_size): Use unsigned for regno.
7715         (m32r_reload_lr): Use gen_frame_mem.
7716         (pop): New.
7717         (m32r_output_function_epilogue): Don't output the function epilogue
7718         textually here.
7719         (m32r_expand_epilogue): New.
7720         (direct_return): Return false if the function has the interrupt
7721         attribute.
7722         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7723         * config/m32r/m32r.md (epilogue): New expander.
7724         (return_lr, return_rte): New insns.
7725         (return): Make it expander.
7726         (return_normal): New expander.
7727
7728 2007-01-18  Josh Conner  <jconner@apple.com>
7729
7730         PR target/30485
7731         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7732         support for UNLE, UNLT, UNGE, and UNGT.
7733
7734 2007-01-18  Jan Hubicka  <jh@suse.cz>
7735
7736         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7737         * tree-tailcall (add_virtual_phis): Likewise.
7738         (optimize_tail_call): Return TODOs.
7739         (execute_tail_calls): Return TODOs.
7740         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7741         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7742         changed.
7743         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7744         Cleanup cfg using TODO.
7745         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7746         * passes.c (execute_function_todo): When cleanup did something, remove
7747         unused locals.
7748         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7749         (make_edges): Don't cleanup_cfg.
7750
7751 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7752
7753         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7754         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7755         operate on the top of stack.
7756         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7757         register handling of instructions that output to the second
7758         stack slot.
7759         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7760         (move_for_stack_reg): Special-case check for dead destination
7761         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7762
7763         * config/i386/i386.md (UNSPEC_TAN): New constant.
7764         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7765         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7766         to correctly model move of constant 1.0 to top stack slot.
7767         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7768         (unnamed peephole2 pattern): Remove corresponding peephole2
7769         pattern that optimizes tan insn and loading of constant 1.0.
7770         (tanxf2): Use fptanxf4_i387.
7771         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7772         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7773         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7774         disable patterns for SSE math.
7775         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7776         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7777
7778 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7779             Richard Guenther <rguenther@suse.de>
7780
7781         PR diagnostic/8268
7782         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7783         * common.opt (Warray-bounds): Add new warning option.
7784         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7785         if -Wall is given.
7786         * Makefile.in: make tree-vrp.o depend on toplev.h
7787         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7788         is enabled.
7789         (check_array_refs, check_array_bounds, check_array_ref): New.
7790
7791 2007-01-18  Jan Hubicka  <jh@suse.cz>
7792
7793         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7794         (execute_ssa_ccp): Return flags conditionally.
7795         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7796         changed.
7797         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7798
7799 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7800
7801         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7802         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7803
7804         * Makefile.c (GTFILES): Add cfglayout.h.
7805         * gengtype.c (open_base_files): Likewise.
7806         * cfglayout.c (cfg_layout_function_footer,
7807         cfg_layout_function_header) Reindent to make gengtype happy.
7808         * cfglayout.h (cfg_layout_function_footer,
7809         cfg_layout_function_header): Add GTY(()) marker.
7810
7811         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7812
7813 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7814
7815         * genautomata.c (write_automata): Include xstrerror output in the
7816         error message if writing the DFA description file fails.
7817
7818 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7819
7820         * config/mips/mips-protos.h (mips_output_external): Make it
7821         return void.
7822         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7823         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7824         (extern_list): Likewise.
7825         (extern_head): Likewise.
7826         (TARGET_ASM_FILE_END): Likewise.
7827         (mips_file_end): Likewise.
7828         (mips_output_external): Rewritten.
7829
7830 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7831
7832         * genpreds.c (write_insn_preds_c): Only write out the function
7833         body for regclass_for_constraint if we have register constraints.
7834
7835 2007-01-17  Tom Tromey  <tromey@redhat.com>
7836
7837         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7838         * doc/install.texi (Testing): Use sourceware.org.
7839         (Binaries): Likewise.
7840         (Specific): Likewise.
7841         * doc/contrib.texi (Contributors): Use sourceware.org.
7842
7843 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7844
7845         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7846         (AVR_ENHANCED): Rename to ...
7847         (AVR_HAVE_MUL): ... new.
7848         (avr_enhanced_p): Rename to ...
7849         (avr_have_mul_p): ... new.
7850         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7851         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7852         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7853         (avr_have_mul_p): ... new.
7854         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7855         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7856         'avr_enhanced_p' and 'enhanced'.
7857         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7858         AVR_HAVE_MUL instead of AVR_ENHANCED.
7859         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7860         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7861         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7862         instead of AVR_ENHANCED.
7863         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7864         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7865         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7866
7867 2007-01-17  Ian Lance Taylor  <iant@google.com>
7868
7869         * vec.h (VEC_reserve_exact): Define.
7870         (vec_gc_p_reserve_exact): Declare.
7871         (vec_gc_o_reserve_exact): Declare.
7872         (vec_heap_p_reserve_exact): Declare.
7873         (vec_heap_o_reserve_exact): Declare.
7874         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7875         versions.
7876         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7877         negative parameter.
7878         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7879         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7880         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7881         * vec.c (calculate_allocation): Add exact parameter.  Change all
7882         callers.
7883         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7884         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7885         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7886         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7887         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7888         (vec_heap_p_reserve_exact): New function.
7889         (vec_heap_o_reserve_exact): New function.
7890
7891 2007-01-17  Jan Hubicka  <jh@suse.cz>
7892
7893         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7894
7895 2007-01-17  Eric Christopher  <echristo@apple.com>
7896
7897         * config.gcc: Support core2 processor.
7898
7899 2007-01-16  Jan Hubicka  <jh@suse.cz>
7900
7901         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7902         the names, just unlink the chain so we don't crash on dangling pointers
7903         to dead SSA names.
7904
7905 2007-01-16  Jan Hubicka  <jh@suse.cz>
7906
7907         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7908         * tree-pass.h: Reorder to make IPA passes appear toegher.
7909         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7910         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7911         parameters, do not call early inliner.
7912         * ipa-inline.c: Update comments.  Include tree-flow.h
7913         (cgraph_decide_inlining): Do not compute inlining parameters.
7914         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7915         be called with function context set up.
7916         (pass_ipa_inline): Remove unreachable functions before pass.
7917         (cgraph_early_inlining): Simplify assuming to be called from the
7918         PM as local pass.
7919         (pass_early_inline): New pass.
7920         (cgraph_gate_ipa_early_inlining): New gate.
7921         (pass_ipa_early_inline): Turn into simple wrapper.
7922         (compute_inline_parameters): New function.
7923         (gate_inline_passes): New gate.
7924         (pass_inline_parameters): New pass.
7925         (apply_inline): Move here from tree-optimize.c
7926         (pass_apply_inline): New pass.
7927         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7928         transforming.
7929         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7930         doing them by hand.
7931         (tree_function_versioning): Do not allocate dummy struct function.
7932         * tree-inline.h (optimize_inline_calls): Update prototype.
7933         * tree-optimize.c (execute_fixup_cfg): Export.
7934         (pass_fixup_cfg): Remove
7935         (tree_rest_of_compilation): Do not apply inlines.
7936         * tree-flow.h (execute_fixup_cfg): Declare.
7937         * Makefile.in (gt-passes.c): New.
7938         * passes.c: Include gt-passes.h
7939         (init_optimization_passes): New passes.
7940         (nnodes, order): New static vars.
7941         (do_per_function_toporder): New function.
7942         (execute_one_pass): Dump current pass here.
7943         (execute_ipa_pass_list): Don't dump current pass here.
7944
7945 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7946
7947         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7948         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7949
7950 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7951
7952         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7953         (strong_alias): Define.
7954         (__gcc_qmul): Provide non-FMA for soft-float.
7955         (__gcc_qdiv): Same.
7956         (__gcc_qneg): New.
7957         (__gcc_qeq): New.
7958         (__gcc_qle): New.
7959         (__gcc_qge): New.
7960         (__gcc_qunord): New.
7961         (__gcc_stoq): New.
7962         (__gcc_dtoq): New.
7963         (__gcc_qtos): New.
7964         (__gcc_qtod): New.
7965         (__gcc_qtoi): New.
7966         (__gcc_qtou): New.
7967         (__gcc_itoq): New.
7968         (__gcc_utoq): New.
7969         (fmsub): New.
7970         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7971         soft-float functions.
7972         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7973         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7974         about long double soft float.
7975
7976 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
7977             Tehila Meyzels  <tehila@il.ibm.com>
7978
7979         * tree-vectorizer.h (is_pattern_stmt_p): New.
7980         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7981         formatting (tabs instead of spaces). Cleanup and clarify setting
7982         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7983         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7984         (vectorizable_type_demotion): Check that types are integral.
7985         (vectorizable_type_promotion): Likewise.
7986         (vectorizable_store): Fix typo.  Eliminate new-line at end of
7987         comments.
7988
7989 2007-01-16  Jan Hubicka  <jh@suse.cz>
7990
7991         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7992         cgraph edges too.
7993
7994 2007-01-15  Eric Christopher  <echristo@apple.com>
7995
7996         * ifcvt.c: Include vec.h, vecprim.h.
7997         (check_cond_move_block): New argument regs.
7998         Reorganize. Add registers used to regs.
7999         (cond_move_process_if_block): Use regs set above as
8000         loop bounds.
8001
8002 2007-01-15  Eric Christopher  <echristo@apple.com>
8003
8004         * config/darwin.h: Update copyright.
8005         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8006         (LINK_COMMAND_SPEC): Add -u.
8007         (LINK_SPEC): Fix umbrella for above.
8008
8009 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8010
8011         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8012         glibc CVS.
8013
8014 2007-01-15  Tom Tromey  <tromey@redhat.com>
8015
8016         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8017         * doc/install.texi (Testing): Don't mention jacks.
8018         (Configuration): Document --enable-java-maintainer-mode.  Move
8019         --with-java-home to libgcj-specific section.  Document
8020         --with-ecj-jar.
8021         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8022
8023 2007-01-15  Jan Hubicka  <jh@suse.cz>
8024
8025         * tree-ssa-dce.c (DCE_TODOs): New.
8026         (propagate_necessity): Return if something changed.
8027         (eliminate_unnecessary_stmts): Likewise.
8028         (perform_tree_ssa_dce): Return TODO flags when needed.
8029         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8030
8031 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8032
8033         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8034         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8035         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8036         patterns using X87MODEF12 mode macro.  Extend operand 1
8037         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8038         (log10<mode>2): Ditto.
8039         (log2<mode>2): Ditto.
8040         (log1p<mode>2): Ditto.
8041         (logb<mode>2): Ditto.
8042         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8043         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8044         (*fxtractxf3_i387): Rename from *fxtractxf3.
8045         (fxtract_extend<mode>xf3_i387): New insn pattern.
8046         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8047         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8048         and gen_fyl2xxf3_i387().
8049
8050 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8051
8052         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8053         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8054         get_loop_exit_edges.  Changed return type to bool.
8055         * cfgloop.h (fix_loop_placement): Declaration removed.
8056
8057 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8058
8059         * param.h (MIN_VECT_LOOP_BOUND): New.
8060         * params.def (MIN_VECT_LOOP_BOUND): New.
8061         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8062         argument - minimum threshold for number of iterations.
8063         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8064         argument to declaration.
8065         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8066         MIN_VECT_LOOP_BOUND.
8067         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8068         slpeel_tree_peel_loop_to_edge with additional argument.
8069         (vect_do_peeling_for_alignment): Likewise.
8070         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8071
8072 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8073
8074         PR target/30413
8075         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8076         operands of size 1.
8077
8078 2007-01-14  Jan Hubicka  <jh@suse.cz>
8079
8080         * tree-dfa.c (remove_referenced_var): New function.
8081         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8082         prune referenced vars list too.
8083         * tree-flow.h (remove_referenced_var): Declare.
8084
8085 2007-01-14  Jan Hubicka  <jh@suse.cz>
8086
8087         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8088         separately.
8089         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8090         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8091         * except.h (verify_eh_throw_table_statements): Kill prototype.
8092         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8093         into call exrepssions.
8094         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8095         eh trhow verifier.
8096         * tree-cfg.c: Include pointer-set.h.
8097         (verify_node_sharing): Work on pointer set.
8098         (verify_eh_throw_stmt_node): New.
8099         (verify_stmts): Use pointers sets, verify throw_stmt.
8100
8101 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8102
8103         * ipa-reference.c (analyze_function): Consider also addresses taken
8104         in phi nodes.
8105
8106 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8107
8108         * c-typeck.c (null_pointer_constant_p): Replace use of
8109         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8110         (build_c_cast): Likewise.
8111
8112 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8113
8114         * tree.h (force_fit_type_double): Remove unused final argument.
8115         * c-common.c (constant_expression_warning): Replace use of
8116         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8117         (convert_and_check): Likewise.
8118         (shorten_compare): Update call to force_fit_type_double.
8119         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8120         * convert.c (convert_to_pointer): Update call to
8121         force_fit_type_double.
8122         * fold-const.c (force_fit_type_double): Remove overflowed_const
8123         argument.
8124         (int_const_binop, fold_convert_const_int_from_int,
8125         fold_convert_const_int_from_real, fold_div_compare,
8126         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8127         fold_abs_const, fold_not_const): Remove the final argument from
8128         calls to force_fit_type_double.
8129
8130 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8131
8132         * configure.ac: Set insn to "nop" for spu-*-* also.
8133         * configure: Regenerate.
8134
8135 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8136
8137         * builtins.def : Add BUILT_IN_FREE.
8138
8139 2007-01-12  Jan Hubicka  <jh@suse.cz>
8140
8141         PR tree-optimization/30443
8142         * tree-inline.c (tree_function_versioning): Do not optimize when
8143         cloning for inlining.
8144
8145 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8146
8147         * doc/loop.texi: Document recording of loop exits.
8148         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8149         (update_single_exits_after_duplication,
8150         update_single_exit_for_duplicated_loop,
8151         update_single_exit_for_duplicated_loops): Removed.
8152         (duplicate_loop_to_header_edge): Do not call
8153         update_single_exits_after_duplication and
8154         update_single_exit_for_duplicated_loops.
8155         (loop_version): Do not update single_exit information.
8156         (fix_loop_structure): Use record_loop_exits instead of
8157         mark_single_exit_loops.
8158         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8159         the lists of loop exits.
8160         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8161         split_edge, merge_blocks): Update the lists of loop exits.
8162         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8163         loop_optimizer_init.
8164         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8165         of mark_single_exit_loops.
8166         (loop_optimizer_finalize): Call release_recorded_exits.
8167         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8168         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8169         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8170         update single exit information.
8171         * lambda-code.c (perfect_nestify): Ditto.
8172         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8173         (mark_single_exit_loops): Removed.
8174         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8175         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8176         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8177         functions.
8178         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8179         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8180         (verify_loop_structure): Verify consistency of the exit lists.
8181         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8182         (set_single_exit): Removed.
8183         * cfgloop.h (struct loop_exit): New function.
8184         (struct loop): single_exit_ field replaced by exits field.
8185         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8186         (struct loops): Added exits hash.
8187         (mark_single_exit_loops, set_single_exit): Declaration removed.
8188         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8189
8190 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8191
8192         * doc/invoke.texi: Avoid use of @headitem.
8193
8194 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8195
8196         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8197
8198 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8199
8200         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8201         list of targets.
8202
8203 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8204             Richard Sandiford  <richard@codesourcery.com>
8205
8206         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8207         * config/m68k/m68k.opt: Resort options.
8208         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8209
8210 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8211             Richard Sandiford  <richard@codesourcery.com>
8212
8213         * doc/invoke.texi: Document the macros that are defined by
8214         m68k's -mtune and -mhard-float options.
8215         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8216         (m68k_cpp_cpu_family): Likewise.
8217         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8218         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8219         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8220         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8221         (m68k_cpp_cpu_family): Likewise.
8222
8223 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8224
8225         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8226         macros besides mc68000 as tuning macros.  Use a switch statement
8227         to set them and mcpu32.
8228
8229 2007-01-12  Julian Brown  <julian@codesourcery.com>
8230
8231         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8232         (TARGET_68040_ONLY): Rename to...
8233         (TARGET_68040): ...this.
8234         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8235         * config/m68k/m68k.md: Likewise.
8236
8237 2007-01-12  Julian Brown  <julian@codesourcery.com>
8238             Nathan Sidwell  <nathan@codesourcery.com>
8239             Richard Sandiford  <richard@codesourcery.com>
8240
8241         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8242         the -mcpu= argument associated with the --with-cpu setting.
8243         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8244         if different from the one implied by the -mcpu setting.
8245         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8246         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8247         * doc/invoke.texi: Mention ColdFire in the introduction to the
8248         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8249         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8250         -mhard-float.  Document the previously-undocumented -m5206e,
8251         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8252         documentation for consistency.
8253         * doc/install.texi: Mention new --with-cpu arguments.
8254         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8255         default CPU if neither -mcpu nor -march are specified.
8256         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8257         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8258         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8259         using m68k_tune to decide between families that implement the
8260         same ISA.  Use m68k_tune to set __mcfv4e__.
8261         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8262         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8263         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8264         (FL_ISA_C, FL_ISA_MMU): New macros.
8265         (MASK_COLDFIRE): Delete.
8266         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8267         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8268         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8269         (TARGET_HARD_FLOAT): Do not define here.
8270         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8271         (TUNE_68000): New macro.
8272         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8273         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8274         (TUNE_CFV2): Redefine in terms of m68k_tune.
8275         (uarch_type, target_device, fpu_type): New enums.
8276         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8277         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8278         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8279         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8280         (FL_FOR_isa_c): New macros.
8281         (m68k_isa): New enum.
8282         (m68k_target_selection): New structure.
8283         (all_devices, all_isas, all_microarchs): New tables.
8284         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8285         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8286         (MASK_ALL_CPU_BITS): Delete.
8287         (m68k_find_selection): New function.
8288         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8289         Map the legacy target options to a combination of the new ones.
8290         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8291         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8292         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8293         settings.
8294         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8295         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8296         properties.
8297         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8298         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8299         * config/m68k/m68k-devices.def: New file.
8300
8301 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8302             Nathan Sidwell  <nathan@codesourcery.com>
8303
8304         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8305         (SUBTARGET_EXTRA_SPECS): New macros.
8306         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8307         use %(asm_cpu_spec) instead.
8308         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8309         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8310         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8311         (EXTRA_SPECS): Rename to...
8312         (SUBTARGET_EXTRA_SPECS): ...this.
8313
8314 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8315             Richard Sandiford  <richard@codesourcery.com>
8316             Julian Brown  <julian@codesourcery.com>
8317
8318         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8319         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8320         to the configuration's default CPU.
8321         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8322         Remove default masks.
8323         (m680[012]0-*-*): Set the default with_cpu to the first part of
8324         the target name.
8325         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8326         (m68k*-*-linux): Extend the --with-cpu handling to...
8327         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8328         and m68010.  Don't set target_cpu_default2.
8329         * doc/install.texi: Document --with-cpu for m68k.
8330         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8331         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8332         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8333         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8334         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8335         (ASM_SPEC): Remove use of %(asm_cpu_default).
8336         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8337         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8338         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8339         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8340         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8341         (TARGET_DEFAULT): Delete.
8342         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8343         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8344         (CPP_CPU_SPEC): Delete.
8345         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8346         the appropriate string.
8347         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8348         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8349         (ASM_SPEC): Don't use %(asm_default_spec).
8350         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8351         TARGET_DEFAULT and add MASK_68881.
8352         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8353
8354 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8355
8356         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8357         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8358         MASK_68010 alongside MASK_68020.
8359         * doc/invoke.texi: Document -m68010.
8360         * config/m68k/m68k.opt (m68010): New.
8361         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8362         if TUNE_68010.
8363         (TUNE_68010): New macro.
8364         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8365         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8366         (M68K_CPU_m68332): Add MASK_68010.
8367         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8368         fallback definition.
8369         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8370         defines.
8371         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8372         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8373         to all entries that use MASK_68020.
8374         (output_move_simode_const, output_move_himode, output_move_qimode)
8375         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8376         instead of TARGET_68020 to select clr behavior.  Remove comment
8377         about there being no TARGET_68010.
8378         * config/m68k/m68k.md: Likewise throughout.
8379
8380 2007-01-12  Julian Brown  <julian@codesourcery.com>
8381
8382         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8383         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8384         * config/m68k/m68k.md: Likewise.
8385
8386 2007-01-12  Julian Brown  <julian@codesourcery.com>
8387
8388         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8389         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8390
8391 2007-01-12  Julian Brown  <julian@codesourcery.com>
8392
8393         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8394         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8395         * config/m68k/m68k.md: Likewise.
8396
8397 2007-01-12  Julian Brown  <julian@codesourcery.com>
8398             Richard Sandiford  <richard@codesourcery.com>
8399
8400         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8401         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8402         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8403         TARGET_CPU32.
8404         (TARGET_CPU32): Rename to...
8405         (TUNE_CPU32): ...this.
8406         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8407         (TUNE_CFV2): New macros.
8408         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8409         remove conditions that are implied by TARGET_68020.
8410         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8411         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8412         (m68k_output_function_epilogue): Likewise.
8413         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8414         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8415         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8416         non-68000 timings.  Refactor multiplication and division costs.
8417         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8418         TUNE_CPU32 instead of TARGET_CPU32.
8419         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8420         and TUNE_68060 instead of TARGET_68060.
8421         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8422         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8423         TARGET_CPU32.
8424         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8425         && !TARGET_COLDFIRE" to choose between moveq and clr.
8426         Likewise in the unnamed movsf pattern.
8427         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8428         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8429         ashiftrt pattern.
8430
8431 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8432
8433         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8434         of tabbing before backslashes.
8435
8436 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8437
8438         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8439         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8440         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8441
8442 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8443
8444         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8445         find_interesting_uses_cond.
8446         (find_interesting_uses_cond): Use extract_cond_operands.
8447         (rewrite_use_compare): Use extract_cond_operands and
8448         force_gimple_operand_bsi.  Do not call update_stmt.
8449         (determine_use_iv_cost_condition): Use extract_cond_operands.
8450         Return cheaper of using original bound and changing the exit bound.
8451
8452 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8453
8454         PR tree-optimization/29516
8455         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8456         most_expensive_mult_to_index, addr_to_parts,
8457         create_mem_ref, maybe_fold_tmr): Make the type of
8458         fields of TARGET_MEM_REF sizetype.
8459         (move_fixed_address_to_symbol, move_pointer_to_base):
8460         New functions.
8461         * tree.def (TARGET_MEM_REF): Add comment on types of
8462         the operands.
8463
8464 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8465
8466         * c-common.c (vector_types_convertible_p): Treat opaque types as
8467         always convertible if they have the same size, but not otherwise.
8468
8469 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8470
8471         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8472         Remove the b_unconditional field.
8473         (noce_try_sign_mask): Do not look at b_unconditional.
8474         (noce_process_if_block): Do not use merge_if_blocks.  Update
8475         the CFG here.  Do not set b_unconditional.
8476         (cond_move_process_if_block): Likewise.
8477         (find_cond_trap): Likewise.
8478         (check_cond_move_block): Require simple jump insns at the end
8479         of the basic block.
8480
8481 2007-01-11  Jan Hubicka  <jh@suse.cz>
8482
8483         PR tree-optimization/1046
8484         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8485         when alias info is not ready.
8486         (pass_tail_recursion): Do not require aliasing.
8487         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8488         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8489         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8490         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8491         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8492         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8493         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8494         before inlining.
8495         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8496         When aliasing is not build, mark statement as volatile.
8497
8498 2007-01-11  Tom Tromey  <tromey@redhat.com>
8499
8500         PR preprocessor/15185, PR preprocessor/20989:
8501         * doc/cppopts.texi <-MT>: Update description of algorithm for
8502         computing default target.
8503         <-M, -MD>: Reword "basename" text.
8504
8505 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8506
8507         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8508         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8509         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8510         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8511         fold_builtin_bswap, real_constp, fold_builtin_pow,
8512         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8513         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8514         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8515         * convert.c (convert_to_pointer): Likewise.
8516         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8517         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8518         const_binop, fold_convert_const_int_from_int,
8519         fold_convert_const_int_from_real,
8520         fold_convert_const_real_from_real, sign_bit_p,
8521         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8522         fold_sign_changed_comparison, fold_unary, fold_comparison,
8523         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8524         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8525         * print-tree.c (print_node_brief, print_node): Likewise.
8526         * stor-layout.c (place_field, layout_type): Likewise.
8527         * tree-chrec.c (keep_cast): Likewise.
8528         * tree.c (build_vector, build_real, build_real_from_int_cst,
8529         build_complex): Likewise.
8530
8531 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8532
8533         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8534         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8535
8536 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8537
8538         * configure.ac (strict1_warn): Rename to strict_warn.
8539         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8540         cc_set_by_configure, quoted_cc_set_by_configure,
8541         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8542         all_boot_languages, all_stagestuff): Remove.
8543         (target_list): Remove bootstrap targets.
8544         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8545         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8546         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8547         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8548         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8549         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8550         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8551         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8552         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8553         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8554         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8555         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8556         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8557         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8558         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8559         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8560         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8561         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8562         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8563         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8564         (mostlyclean): Adjust.
8565         (clean, distclean): Don't mention bootstrap stuff.
8566         * configure: Regenerate.
8567         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8568         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8569         treelang/config-lang.in (stagestuff): Remove.
8570         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8571         stageprofile, stagefeedback, stagestuff): Remove mention.
8572
8573 2007-01-11  Nick Clifton  <nickc@redhat.com>
8574
8575         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8576         Accept CONSTs.
8577         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8578         (mcore_arith_K_S_operand): Run the test for the S constraint not
8579         the test for the M constraint.
8580         (mcore_addsub_operand): Do not accept integer values that are
8581         larger than 32 bits.
8582         * config/mcore/mcore.md: Remove unused constraints from split.
8583         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8584         (addsi3): Likewise.
8585         (allocate_stack): Likewise.
8586         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8587         operands to 32 bits.
8588         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8589         INTVAL.
8590         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8591         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8592         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8593         mcore_output_bclri, mcore_output_andn, output_inline_const,
8594         mcore_output_move, mcore_output_movedouble): Likewise.
8595         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8596         (output_inline_const): Likewise.
8597         (output_inline_const): Fix format strings used in sprintf
8598         statements.
8599         * config/mcore/mcore-protos.h: Update prototypes for changed
8600         functions in mcore.c.
8601         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8602         HOST_WIDE_INT and not int.
8603         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8604         CONST_OK_FOR_N): Likewise.
8605         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8606         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8607         an INTVAL.
8608
8609 2007-01-10  Jan Hubicka  <jh@suse.cz>
8610
8611         * tree-vrp.c (remove_range_assertions): Release defs.
8612         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8613         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8614
8615 2007-01-10  Paul Brook  <paul@codesourcery.com>
8616
8617         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8618         * config/arm/arm.md (mulsi3subsi): New insn.
8619
8620 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8621
8622         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8623         (tree_transform_and_unroll_loop): New.
8624         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8625         Declare.
8626
8627 2007-01-10  Robert Kennedy <jimbob@google.com>
8628
8629         * fold-const.c (fold_comparison): Fold comparisons like (x *
8630         1000 < 0) to (x < 0).
8631
8632 2007-01-10  Ian Lance Taylor  <iant@google.com>
8633
8634         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8635         operands have the same priority.
8636
8637 2007-01-10  Tom Tromey  <tromey@redhat.com>
8638
8639         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8640         (fold_binary): Likewise.
8641         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8642         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8643         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8644         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8645         * langhooks.h (struct lang_hooks): Removed field
8646         'can_use_bit_fields_p'.
8647
8648 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8649
8650         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8651
8652 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8653
8654         * function.c (get_last_funcdef_no): New function.
8655         * function.h (get_last_funcdef_no): Declare.
8656         * tree-inline.c (initialize_cfun): Add initialization.
8657         (tree_function_versioning): Cleanup.
8658
8659 2007-01-10  Jan Hubicka  <jh@suse.cz>
8660
8661         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8662         PHIs.
8663
8664 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8665             Ben Elliston  <bje@au.ibm.com>
8666
8667         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8668         for SAVE_NONLOCAL and Pmode for any other save level.
8669         * spu-protos.h (spu_restore_stack_block): Declare.
8670         * spu.md (save_stack_block): Remove.
8671         (restore_stack_block): Call spu_restore_stack_block.
8672         * spu.c (spu_restore_stack_block): New function.
8673         (spu_expand_epilogue): Remove old comment.
8674
8675 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8676
8677         PR tree-optimization/30322
8678         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8679         (cand_value_at): Return the value as aff_tree.
8680         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8681         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8682         aff_combination_mult): New functions.
8683         (aff_combination_add): Use aff_combination_add_cst.
8684         (aff_combination_convert): Allow conversions to a wider type.
8685         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8686         * tree-affine.h (aff_combination_mult): Declare.
8687
8688 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8689
8690         * doc/tm.texi: Update documentation to reflect reality of exec
8691         and start file search behaviours. Update copyright year.
8692         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8693         header file directories.
8694
8695 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8696
8697         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8698         (*cosxf2): Rename to cosxf2_i387.
8699         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8700         using X87MODEF12 mode macro. Rename patterns to
8701         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8702         for SSE math.
8703         (*cosdf2, *cossf2): Ditto.
8704         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8705         to match extended input operands.
8706         (sincos<mode>3): New expander.
8707         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8708         insn patterns and corresponding splitters.
8709
8710 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8711
8712         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8713         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8714
8715 2007-01-09  Nicolas Pitre  <nico@cam.org>
8716
8717         PR target/30173
8718         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8719
8720 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8721
8722         * target.h (struct gcc_target): New field library_rtti_comdat.
8723         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8724         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8725         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8726         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8727
8728 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8729
8730         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8731
8732 2007-01-08  Richard Guenther  <rguenther@suse.de>
8733
8734         * tree.h (force_fit_type_double): Export.
8735         (force_fit_type): Remove.
8736         * fold-const.c (force_fit_type_double): New function.
8737         (force_fit_type): Remove.
8738         (int_const_binop): Use it.
8739         (fold_convert_const_int_from_int): Likewise.
8740         (fold_convert_const_int_from_real): Likewise.
8741         (fold_div_compare): Likewise.
8742         (fold_sign_changed_comparison): Likewise.
8743         (fold_unary): Likewise.
8744         (fold_negate_const): Likewise.
8745         (fold_abs_const): Likewise.
8746         (fold_not_const): Likewise.
8747         * c-common.c (shorten_compare): Use force_fit_type_double.
8748         * convert.c (convert_to_pointer): Likewise.
8749
8750 2007-01-08  Richard Guenther  <rguenther@suse.de>
8751
8752         * tree.h (build_int_cst_wide_type): Export.
8753         * tree.c (build_int_cst_wide_type): New function.
8754         (build_int_cst_wide): Fix comment.
8755         * builtins.c (fold_builtin_object_size): Use build_int_cst
8756         to build -1 or 0 of the correct type.  Use fit_double_type
8757         to check for overflow.
8758         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8759         to build the mask.
8760         (decode_field_reference): Likewise.
8761         (all_ones_mask_p): Likewise.
8762         (native_interpret_int): Use build_int_cst_wide_type.
8763         (fold_binary): Use build_int_cst_type to build an all-ones
8764         value.
8765         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8766
8767 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8768
8769         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8770
8771 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8772
8773         * genautomata.c (STATS_OPTION): New option.
8774         (stats_flag): New flag.
8775         (gen_automata_option): Handle it.
8776         (initiate_automaton_gen): Ditto.
8777         (write_automata): Output statistics only if stats_flag is
8778         set. Likewise, output time statistics only if time_flag is set.
8779         * doc/md.texi (Processor pipeline description): Document new flag.
8780
8781 2007-01-08  Richard Guenther  <rguenther@suse.de>
8782
8783         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8784         * tree.c (build_int_cst_type): Likewise.
8785         (size_in_bytes): Don't call force_fit_type on the result.
8786         (int_fits_type_p): Use fit_double_type.
8787         * fold-const.c (fit_double_type): New function.
8788         (force_fit_type): Use it.
8789         * tree.h (fit_double_type): Export.
8790
8791 2007-01-08  Jan Hubicka  <jh@suse.cz>
8792
8793         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8794         * ipa.c (function_and_variable_visibility): Fix return type.
8795
8796 2007-01-08  Richard Guenther  <rguenther@suse.de>
8797
8798         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8799         of offset to build the index.
8800         * tree-pretty-print.c (dump_generic_node): Don't build negated
8801         const just for printing.
8802         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8803         * builtins.c (fold_builtin_int_roundingfn): Check if result
8804         fits the type by using force_fit_type and comparing the result.
8805         * predict.c (predict_loops): Use compare_tree_int for comparison.
8806         * tree.c (build_int_cst): Fall back to integer_type_node for
8807         NULL_TREE type.
8808         (build_int_cst_wide): Assert type is non-null.
8809
8810 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8811
8812         * tree-vrp.c (extract_range_from_cond_expr): New.
8813         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8814         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8815         as expressions.
8816         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8817         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8818         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8819         used as expressions.
8820         * tree-object-size.c (cond_expr_object_size): New.
8821         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8822
8823 2007-01-08  Jan Hubicka  <jh@suse.cz>
8824
8825         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8826         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8827         statement.
8828
8829 2007-01-08  Richard Guenther  <rguenther@suse.de>
8830
8831         PR tree-optimization/23603
8832         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8833         (extract_range_from_binary): Fall back to truthvalue instead of
8834         varying for TRUTH_*_EXPR.
8835         (extract_range_from_comparison): Fall back to truthvalue instead of
8836         varying.
8837         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8838         if all visited PHI values were constant.
8839
8840 2007-01-08  Jan Hubicka  <jh@suse.cz>
8841
8842         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8843         (cgraph_analyze_function): break out from ...
8844         (cgraph_finalize_compilation_unit): ... here.
8845         (cgraph_expand_function): Remove forgoten commented out line.
8846         (cgraph_optimize): Analyze functions.
8847
8848 2007-01-08  Jan Hubicka  <jh@suse.cz>
8849
8850         * tree-pas.h (TODO_remove_function): New flag.
8851         (TODO_update*): Renumber.
8852         (pass_ipa_increase_alignment,
8853         pass_ipa_function_and_variable_visibility): New passes.
8854         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8855         (cgraph_function_and_variable_visibility): Move to ipa.c
8856         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8857         cgraph_increase_alignment.
8858         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8859         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8860         calling tree-inline.
8861         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8862         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8863         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8864         (gate_increase_alignment): New function.
8865         (pass_ipa_increase_alignment): New pass.
8866         * ipa.c: Inline tree-pass.h and timevar.h
8867         (function_and_variable_visibility): Move here from cgraphunit.c
8868         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8869         * passes.c (init_optimization_passes): Add the two new passes.
8870         (execute_todo): Handle cgraph_remove_functions.
8871
8872 2007-01-08  Nick Clifton  <nickc@redhat.com>
8873
8874         * config/frv/predicates.md (reg_or_0_operand): Accept
8875         CONST_DOUBLEs.
8876
8877 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8878
8879         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8880         * config.gcc: Add bfin*-rtems*.
8881
8882 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8883
8884         * c.opt: Add -flax-vector-conversions.
8885         * c-typeck.c (convert_for_assignment): Pass flag to
8886         vector_types_convertible_p to allow emission of note.
8887         (digest_init): Likewise.
8888         * c-opts.c: Handle -flax-vector-conversions.
8889         * c-common.c (flag_lax_vector_conversions): New.
8890         (vector_types_convertible_p): Unless -flax-vector conversions
8891         has been passed, disallow conversions between vectors with
8892         differing numbers of subparts and/or element types.  If such
8893         a conversion is disallowed, possibly emit a note on the first
8894         occasion only to inform the user of -flax-vector-conversions.
8895         The new last argument specifies this.
8896         * c-common.h (flag_lax_vector_conversions): New.
8897         (vector_types_convertible_p): Add extra argument.
8898         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8899         char_type_node for V*QI type vectors.
8900         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8901         Update to satisfy new typechecking rules.
8902         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8903         C and C++ variants.
8904         * doc/invoke.texi (C Dialect Options): Document
8905         -flax-vector-conversions.
8906
8907 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8908
8909         PR tree-optimization/29877
8910         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8911         a register variable on the RHS to not be replaceable.
8912
8913 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8914         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8915         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8916         const_simm15, const_pow2, const_npow2): Added.
8917         * config/score/misc.md (insv, extv, extzv, movmemsi,
8918         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8919         * config/score/score.c (score_address_cost, score_select_cc_mode):
8920         Added.
8921         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8922         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8923         Update score_print_operand.
8924         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8925         Adjust register allocate order and update some macro define.
8926         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8927         mdx_block_move_straight, mdx_block_move_loop_head,
8928         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8929         mdx_block_move): Added.
8930         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8931         mdp_limm): Updated and fix some bug and typo.
8932         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8933         (movsf, movdf, doloop_end): Added.
8934
8935 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8936
8937         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8938         config/arm/thumb2.md: Fix comment typos.
8939         * doc/extend.texi: Fix a typo.
8940
8941 2007-01-07  Eric Christopher  <echristo@apple.com>
8942
8943         * configure.ac: Check for __stack_chk_fail for darwin.
8944         * configure: Regenerate.
8945
8946 2007-01-07  Richard Guenther  <rguenther@suse.de>
8947
8948         * tree-vrp.c (extract_range_from_assert): CSE calls to
8949         compare_values where possible.
8950         (extract_range_from_unary_expr): Likewise.
8951
8952 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8953
8954         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8955         * config/avr/avr.c (call_insn_operand): Delete function.
8956         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8957         instead of register number. Use predicates.
8958         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8959         call_insn_operand): Add.
8960
8961 2007-01-06  Jan Hubicka  <jh@suse.cz>
8962
8963         * tree-pass.h (pass_build_cgraph_edges): Declare.
8964         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8965         (visited_nodes): Remove.
8966         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8967         build_cgrpah_edges; make visited_nodes local.
8968         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8969         (record_references_in_initializer): Move to cgraphbuild.c
8970         (initialize_inline_failed, rebuild_cgraph_edges,
8971         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8972         (verify_cgraph_node): Make visited_nodes local.
8973         (cgraph_analyze_function): Do not call cgraph_create_edges and
8974         initialize_inline_failed.
8975         (cgraph_expand_function): Do not call cgraph_lower_function;
8976         assert that function is already lowered.
8977         * Makefile.in (cgraphbuild.o): New.
8978         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8979         at the end of lowering passes.
8980
8981 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
8982
8983         * ifcvt.c (cond_move_convert_if_block): New function, code
8984         factored out from...
8985         (cond_move_process_if_block): ...here.  Call the new function
8986         on the THEN and ELSE blocks.
8987         (merge_if_block): Do not copy global_live_at_end, merge_blocks
8988         already takes care of this.
8989
8990 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8991
8992         PR c/19978
8993         * tree.h (TREE_OVERFLOW_P): New.
8994         * c-typeck.c (parser_build_unary_op): Warn only if result
8995         overflowed and operands did not.
8996         (parser_build_binary_op): Likewise.
8997         (convert_for_assignment): Remove redundant overflow_warning.
8998         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8999
9000 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9001
9002         * c-typeck.c (store_init_value): Split over two lines to follow
9003         the GNU coding style.
9004
9005 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9006
9007         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9008         __GXX_EXPERIMENTAL_CXX0X__.
9009         * doc/cpp.texi: Same.
9010
9011 2007-01-05  Richard Guenther  <rguenther@suse.de>
9012
9013         PR middle-end/27826
9014         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9015         with mismatched types.  Instead explicitly build a
9016         conversion NOP_EXPR.
9017
9018 2007-01-05  Ian Lance Taylor  <iant@google.com>
9019
9020         * c-common.c (decl_with_nonnull_addr_p): New function.
9021         (c_common_truthvalue_conversion): Call it.
9022         * c-typeck.c (build_binary_op): Likewise.
9023         * c-common.h (decl_with_nonnull_addr_p): Declare.
9024
9025 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9026
9027         PR c/30360
9028         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9029         denom against 0.0.
9030
9031 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9032
9033         * doc/install.texi (Final install): Document the fact that
9034         the GNAT runtime should not be stripped.
9035
9036 2007-01-04  Jan Hubicka  <jh@suse.cz>
9037
9038         * tree-inline.c (fold_marked_statements): Update operand caches
9039         and EH after folding
9040
9041 2007-01-04  Ian Lance Taylor  <iant@google.com>
9042
9043         * c-common.c (check_function_nonnull): Whitespace fix.
9044
9045 2007-01-04  Jan Hubicka  <jh@suse.cz>
9046
9047         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9048         comitted older version of patch.
9049         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9050         function, celanup cfg and collect garbage.
9051
9052 2007-01-04  Mike Stump  <mrs@apple.com>
9053
9054         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9055         (clean): Likewise.
9056
9057 2007-01-04  Eric Christopher  <echristo@apple.com>
9058
9059         * libgcc2.c (__bswapsi2): Use SItype.
9060         (__bswapdi2): Use DItype.
9061         * libgcc2.h: Update for above.
9062
9063 2007-01-04  Paul Brook  <paul@codesourcery.com>
9064
9065         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9066         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9067         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9068         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9069         umulsi3_highpart): Make conditional on !arm_arch6.
9070         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9071         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9072         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9073         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9074         umulsi3_highpart_v6): New insns.
9075
9076 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9077
9078         * fold-const.c (fold_convert): When casting an expression to void,
9079         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9080         have a type.  Instead of attempting to build a NOP_EXPR, return
9081         these "special" trees directly.
9082
9083 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9084
9085         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9086         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9087         rs6000_cost->fp not 0 as adjustment for outer NEG.
9088
9089 2007-01-04  Jan Hubicka  <jh@suse.cz>
9090
9091         * cgraph.c (cgraph_release_function_body): New function.
9092         (cgraph_remove_node): Use it.
9093         * cgraph.h (cgraph_release_function_body): Declare.
9094         * cgraphunit.c (cgraph_expand_function): Use it.
9095         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9096         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9097         is initialized and while compilation of other function is running.
9098         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9099         statement CFG annotations from here to ...
9100         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9101
9102 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9103
9104         * cfgloop.h (enum li_flags): Make the constants powers of two.
9105
9106 2007-01-04  Jan Hubicka  <jh@suse.cz>
9107
9108         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9109         set.
9110         (fold_marked_statements): New function.
9111         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9112         * tree-inline.h (copy_body_data): Add statements_to_fold.
9113
9114 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9115
9116         * config.gcc: Mention libgcc/config.host.
9117         * Makefile.in: Update comments mentioning libgcc.
9118         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9119         (all.cross, start.encap, rest.encap, rest.cross): Update
9120         dependencies for libgcc move.
9121         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9122         (clean-target, clean-target-libgcc): Delete.
9123         (srcdirify, GCC_EXTRA_PARTS): New macros.
9124         (libgcc-support, libgcc.mvars): New rules.
9125         (distclean): Remove mention of mklibgcc.
9126         (install): Don't reference INSTALL_LIBGCC.
9127         (install-common): Don't reference EXTRA_PARTS.
9128         (install-libgcc, install-multilib): Delete rules.
9129         * mklibgcc.in: Delete file.
9130         * doc/configfiles.texi: Don't mention mklibgcc.
9131
9132         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9133         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9134         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9135         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9136         (mklibgcc, ldblspecs): Likewise.
9137
9138         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9139         (posixpre.def): Use $(T).
9140         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9141         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9142         (SHLIB_LINK): Make dummy.
9143         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9144
9145         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9146
9147         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9148         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9149         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9150         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9151
9152         * configure.ac (all_outputs): Remove mklibgcc.
9153         * configure: Regenerated.
9154
9155 2007-01-03  Josh Conner  <jconner@apple.com>
9156
9157         PR middle-end/29683
9158         * calls.c (compute_argument_addresses): Set stack and stack_slot
9159         for partial args, too.
9160         (store_one_arg): Use locate.size.constant for the size when
9161         generating a save_area.
9162
9163 2007-01-03  Robert Kennedy <jimbob@google.com>
9164
9165         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9166         whose definitions are deleted due to basic block merging.
9167
9168 2007-01-03  Paul Brook  <paul@codesourcery.com>
9169
9170         PR target/16634
9171         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9172         functions.
9173         (use_return_insn): Return 0 for Thumb interrupt functions.
9174         (print_multi_reg): Add rfe argument for IRQ returns.
9175         (arm_output_epilogue): Pop interrupt return address directly into PC.
9176         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9177
9178 2007-01-03  Paul Brook  <paul@codesourcery.com>
9179
9180         Merge from sourcerygxx-4_1.
9181         * config/arm/thumb2.md: New file.
9182         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9183         Thumb-2.
9184         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9185         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9186         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9187         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9188         tables.
9189         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9190         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9191         comptibility.
9192         * config/arm/ieee754-sf.S: Ditto.
9193         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9194         (thumb1_base_register_rtx_p): ... to this.
9195         (thumb_index_register_rtx_p): Rename...
9196         (thumb1_index_register_rtx_p): ... to this.
9197         (thumb_output_function_prologue): Rename...
9198         (thumb1_output_function_prologue): ... to this.
9199         (thumb_legitimate_address_p): Rename...
9200         (thumb1_legitimate_address_p): ... to this.
9201         (thumb_rtx_costs): Rename...
9202         (thumb1_rtx_costs): ... to this.
9203         (thumb_compute_save_reg_mask): Rename...
9204         (thumb1_compute_save_reg_mask): ... to this.
9205         (thumb_final_prescan_insn): Rename...
9206         (thumb1_final_prescan_insn): ... to this.
9207         (thumb_expand_epilogue): Rename...
9208         (thumb1_expand_epilogue): ... to this.
9209         (arm_unwind_emit_stm): Rename...
9210         (arm_unwind_emit_sequence): ... to this.
9211         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9212         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9213         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9214         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9215         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9216         thumb2_output_casesi): New functions.
9217         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9218         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9219         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9220         THUMB2_WORK_REGS): Define.
9221         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9222         arm_condexec_mask, arm_condexec_masklen)): New variables.
9223         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9224         (arm_override_options): Check new CPU capabilities.
9225         Set new architecture flag variables.
9226         (arm_isr_value): Handle v7m interrupt functions.
9227         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9228         Thumb-2.
9229         (const_ok_for_arm): Handle Thumb-2 constants.
9230         (arm_gen_constant): Ditto.  Use movw when available.
9231         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9232         functions.
9233         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9234         (thumb_find_work_register, arm_load_pic_register,
9235         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9236         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9237         print_multi_reg, output_mov_long_double_fpa_from_arm,
9238         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9239         output_mov_double_fpa_from_arm, output_move_double,
9240         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9241         output_return_instruction, arm_output_function_prologue,
9242         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9243         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9244         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9245         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9246         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9247         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9248         '!' and 'L'.
9249         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9250         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9251         (arm_file_start): Output directive for unified syntax.
9252         (arm_unwind_emit_set): Handle stack alignment instruction.
9253         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9254         Add v6t2, v7, v7a, v7r and v7m.
9255         (RETLDM): Add Thumb-2 code.
9256         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9257         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9258         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9259         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9260         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9261         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9262         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9263         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9264         ADJUST_INSN_LENGTH): Define.
9265         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9266         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9267         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9268         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9269         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9270         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9271         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9272         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9273         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9274         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9275         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9276         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9277         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9278         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9279         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9280         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9281         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9282         cortex-m3.
9283         * config/arm/arm-tune.md: Regenerate.
9284         * config/arm/arm-protos.h: Update prototypes.
9285         * config/arm/vfp.md: Enable patterns for Thumb-2.
9286         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9287         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9288         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9289         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9290         * config/arm/libunwind.S: Add Thumb-2 code.
9291         * config/arm/constraints.md: Update include Thumb-2.
9292         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9293         * config/arm/ieee754-df.S: Ditto.
9294         * config/arm/bpabi.S: Ditto.
9295         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9296         * config/arm/predicates.md (low_register_operand,
9297         low_reg_or_int_operand, thumb_16bit_operator): New.
9298         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9299         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9300         * config/arm/t-arm-elf: Add armv7 multilib.
9301         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9302         Include thumb2.md.
9303         (UNSPEC_STACK_ALIGN, ce_count): New.
9304         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9305         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9306         insns/expanders.
9307         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9308         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9309         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9310         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9311         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9312         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9313         insns.
9314         * doc/extend.texi: Document ARMv7-M interrupt functions.
9315         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9316
9317 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9318
9319         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9320         (struct _Unwind_Context): Rename args_size to flags, remove
9321         signal_frame field, add a new args_size field and version field.
9322         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9323         _Unwind_IsExtendedContext): New inline functions.
9324         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9325         Assume by_value array is only present if _Unwind_IsExtendedContext.
9326         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9327         _Unwind_IsSignalFrame.
9328         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9329         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9330         (uw_init_context_1): Initialize context->flags to
9331         EXTENDED_CONTEXT_BIT.
9332         * config/rs6000/linux-unwind.h (frob_update_context): Use
9333         _Unwind_SetSignalFrame.
9334
9335 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9336
9337         PR middle-end/30353
9338         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9339         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9340         the value.
9341
9342 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9343
9344         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9345         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9346         RET, AT_SP): Remove.
9347         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9348         instead of RET.
9349
9350         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9351         * cfgbuild.c (find_basic_blocks): Likewise.
9352         * cfgrtl.c (rtl_create_basic_block): Likewise.
9353         * function.c (temp_slots_at_level): Likewise.
9354         * reg-stack.c (stack_regs_mentioned): Likewise.
9355         * regclass.c (allocate_reg_info): Likewise.
9356         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9357         set_bb_for_stmt, move_block_to_fn): Likewise.
9358         * tree-complex.c (tree_lower_complex): Likewise.
9359         * vec.h (VEC_safe_grow_cleared): New.
9360
9361         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9362
9363 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9364
9365         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9366         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9367         to loop_version.
9368         * cfgloopmanip.c (scale_loop_frequencies): Export.
9369         (loopify): Scale the frequencies by prescribed coefficients.
9370         (set_zero_probability): New function.
9371         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9372         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9373         and frequencies according to arguments.
9374         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9375         correctly.
9376         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9377         * modulo-sched.c (sms_schedule): Set probabilities for entering
9378         versioned loop correctly.
9379         * tree-vect-transform.c (vect_transform_loop): Ditto.
9380         * cfgloop.h (loopify, loop_version): Declaration changed.
9381         (scale_loop_frequencies): Declared.
9382
9383 2007-01-02  Jan Hubicka  <jh@suse.cz>
9384
9385         * cgraph.c: Include tree-flow.h
9386         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9387         early_local_passes.
9388         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9389         * tree-pass.h (pass_all_early_optimizations): Declare.
9390         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9391         early_local_passes.
9392         (cgraph_analyze_function): Do early_local_passes.
9393         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9394         Do not add referenced vars.
9395         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9396         SSA form.
9397         (gate_all_early_local_passes): New gate.
9398         (pass_early_local_passes): Use new gate.
9399         (execute_early_local_optimizations): New functions.
9400         (gate_all_early_optimizations): New gate.
9401         (pass_all_early_optimizations): New pass.
9402         (execute_free_datastructures): Free SSA only when initialized.
9403         (gate_init_datastructures): Init only when optimizing.
9404         (tree_lowering_passes): Do early local passes when called late.
9405         * tree-profile.c (do_tree_profiling): Don't profile functions added
9406         late.
9407         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9408         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9409         not active.
9410         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9411         during early_local_passes.
9412         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9413
9414
9415 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9416
9417         * Makefile.in: Update copyright year.
9418
9419 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9420
9421         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9422         in $(lang_checks) and check-consistency targets.
9423
9424 2007-01-02  Jan Hubicka  <jh@suse.cz>
9425
9426         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9427         Do not add referenced vars.
9428         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9429         are not active.
9430         * passes.c (init_optimization_passes): Put mudflap_2 after
9431         free_datastructures.
9432
9433 2007-01-02  Jan Hubicka  <jh@suse.cz>
9434
9435         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9436         Set NOTHROW flag on call statements proved to be nothrow.
9437         Update statement of local calls so new pure/const functions are
9438         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9439         goto receivers.
9440         (tree_rest_of_compilation): Register hooks and initialize bitmap
9441         early. Do not set after_inlining flag.
9442
9443 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9444
9445         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9446         HOST_BITS_PER_LONGLONG
9447
9448 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9449
9450         PR c/19977
9451         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9452         warning for non-static initializers.
9453
9454 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9455
9456         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9457         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9458         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9459         Always use set_unique_reg_note to add REG_EQUAL notes.
9460
9461 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9462
9463         Revert:
9464         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9465
9466         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9467         * cfgbuild.c (find_basic_blocks): Likewise.
9468         * cfgrtl.c (rtl_create_basic_block): Likewise.
9469         * function.c (temp_slots_at_level): Likewise.
9470         * reg-stack.c (stack_regs_mentioned): Likewise.
9471         * regclass.c (allocate_reg_info): Likewise.
9472         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9473         set_bb_for_stmt, move_block_to_fn): Likewise.
9474         * tree-complex.c (tree_lower_complex): Likewise.
9475         * vec.h (VEC_safe_grow_cleared): New.
9476
9477 2007-01-02  Ian Lance Taylor  <iant@google.com>
9478
9479         * c-common.c (c_common_truthvalue_conversion): When warning about
9480         using an assignment as a truth value, set TREE_NO_WARNING.
9481
9482 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9483
9484         PR middle-end/7651
9485         * c.opt (Wold-style-declaration): New.
9486         * doc/invoke.texi (C-only Warning Options): New.
9487         (Wold-style-declaration): Document it.
9488         (Wextra): Enabled by -Wextra.
9489         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9490         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9491         -Wold-style-declaration.
9492
9493 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9494
9495         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9496         * cfgbuild.c (find_basic_blocks): Likewise.
9497         * cfgrtl.c (rtl_create_basic_block): Likewise.
9498         * function.c (temp_slots_at_level): Likewise.
9499         * reg-stack.c (stack_regs_mentioned): Likewise.
9500         * regclass.c (allocate_reg_info): Likewise.
9501         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9502         set_bb_for_stmt, move_block_to_fn): Likewise.
9503         * tree-complex.c (tree_lower_complex): Likewise.
9504         * vec.h (VEC_safe_grow_cleared): New.
9505
9506 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9507
9508         * c-common.c (c_common_nodes_and_builtins): Since variants of
9509         void_type_node get built before it is given a name, we need to
9510         give those variants the name, too.
9511         (complete_array_type): We need to work with the canonical main
9512         type of the array, from which we will build the qualified version.
9513         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9514         * print-tree.c (print_node): Display canonical type information
9515         for each type.
9516         * stor-layout.c (layout_type): When we don't know the
9517         alignment of a type for which we're building an array, we end up
9518         guessing wrong, so make the type require structural equality.
9519         * tree.c (make_node_stat): When we build a new type, it is its
9520         own canonical type.
9521         (build_type_attribute_qual_variant): When building an attribute
9522         variant, its canonical type is the non-attribute variant. However,
9523         if the attributes are target-dependent and they differ, we need to
9524         use structural equality checks for this type.
9525         (build_qualified_type): A qualified type is not equivalent to its
9526         unqualified variant; set the canonical type appropriately.
9527         (build_distinct_type_copy): When building a distinct type from
9528         another type, the new type is its own canonical type.
9529         (build_variant_type_copy): When building a new type variant, we
9530         assume that it is equivalent to the original type.
9531         (build_pointer_type_for_mode): When building a pointer type, also
9532         build a canonical type pointer.
9533         (build_reference_type_for_mode): When building a reference type,
9534         also build a canonical type reference.
9535         (build_index_type): When we can't hash an index type (e.g.,
9536         because its maximum value is negative), the index type requires
9537         structural equality tests.
9538         (build_array_type): Build the canonical form of an array type.
9539         (build_function_type): Function types require structural equality,
9540         because they contain default arguments, attributes, etc.
9541         (build_method_type_directly): Ditto for method types.
9542         (build_offset_type): Build the canonical offset type.
9543         (build_complex_type): Build the canonical vector type.
9544         (make_vector_type): Build the canonical vector type.
9545         * tree.h (TYPE_CANONICAL): New.
9546         (TYPE_STRUCTURAL_EQUALITY_P): New.
9547         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9548         (struct tree_type): Added "canonical" field.
9549         * params.h (VERIFY_CANONICAL_TYPES): New.
9550         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9551         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9552         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9553         * doc/invoke.texi (verify-canonical-types): Document --param
9554         parameter for verifying canonical types.
9555
9556 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9557
9558         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9559         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9560         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9561         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9562         tm_file.
9563         * config/rs6000/e500.h: New.
9564         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9565         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9566         Remove.
9567         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9568         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9569         TARGET_E500_DOUBLE): Remove.
9570         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9571         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9572         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9573         * config/rs6000/rs6000.c (rs6000_override_options): Use
9574         CHECK_E500_OPTIONS.
9575
9576 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9577
9578         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9579         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9580         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9581         rs6000_emit_cmove): Don't check TARGET_E500.
9582         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9583         sordered): Don't check TARGET_E500.
9584
9585 2007-01-01  Eric Christopher  <echristo@apple.com>
9586
9587         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9588         HARD_REGISTER_NUM_P.
9589
9590 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9591
9592         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9593         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9594         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9595         eq/ne Y".
9596
9597 2007-01-01  Mike Stump  <mrs@apple.com>
9598
9599         * configure.ac: Remove support for building with Apple's gcc-3.1.
9600
9601 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9602
9603         PR middle-end/30311
9604         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9605         REG is a hard register.  Do not modify REG before calling
9606         subreg_nregs.
9607         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9608         multiple of the size of YMODE for certain lowpart cases.
9609
9610 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9611
9612         PR middle-end/30253
9613         * gimplify (voidify_wrapper_expr): Update for
9614         GIMPLE_MODIFY_STMT.
9615
9616 2007-01-01  Andreas Schwab  <schwab@suse.de>
9617
9618         PR target/29166
9619         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9620         save of BR0 in extra_spill_size instead of spill_size.
9621         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9622         area.
9623         (ia64_expand_epilogue): Restore BR0 from its new location.
9624
9625 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9626
9627         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9628         Use a temporary variable if the left hand side is not a gimple
9629         register.
9630
9631 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9632
9633         * gimplify.c (gimplify_return_expr): Make the temporary variable
9634         for the return expression, a gimple register variable.
9635
9636 2007-01-01  Jan Hubicka  <jh@suse.cz>
9637
9638         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9639         INSN_LIST.
9640
9641 2007-01-01  Mike Stump  <mrs@apple.com>
9642
9643         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9644         .literal16.
9645         * config/darwin.c (machopic_select_rtx_section): Use
9646         HAVE_GAS_LITERAL16.
9647         (darwin_mergeable_constant_section): Likewise.
9648         * configure: Regenerate.
9649         * config.in: Regenerate.
9650
9651 2007-01-01  Jan Hubicka  <jh@suse.cz>
9652             Andrew Pinski  <pinskia@gmail.com>
9653
9654         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9655         before starting IPA passes.