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1 2007-03-29  Richard Henderson  <rth@redhat.com>
2
3         * emutls.c (struct __emutls_array): New.
4         (emutls_destroy): Use it instead of casting element 0 from void*.
5         (__emutls_get_address): Likewise.
6
7 2007-03-29  Richard Henderson  <rth@redhat.com>
8
9         * varasm.c (initializer_constant_valid_p): Don't deny
10         DECL_DLLIMPORT_P on functions.
11
12         * config/i386/cygming.h: Remove function declarations.
13         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
14         (ASM_OUTPUT_LABELREF): Remove.
15         (COMMON_ASM_OP): Remove.
16         (ASM_OUTPUT_COMMON): Remove.
17         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
18         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19         (ASM_DECLARE_FUNCTION_NAME): Likewise.
20         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
21         Rename from TARGET_ENCODE_SECTION_INFO.
22         * config/i386/netware.h: Likewise.
23         * config/i386/i386-protos.h: Update.
24         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
25         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
26         (legitimate_constant_p): Reject dllimports.
27         (dllimport_map, get_dllimport_decl): New.
28         (legitimize_dllimport_symbol): New.
29         (legitimize_address, ix86_expand_move): Use it.
30         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
31         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
32         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
33         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
34         * config/i386/predicates.md (constant_call_address_operand): Only
35         accept symbols; reject dllimport_p symbols.
36         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
37         i386_pe_maybe_record_exported_symbol.
38         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
39         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
40         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
41         trust the setting of DECL_DLLIMPORT_P.
42         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
43         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
44         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
45         tidy the argument scanning loop.
46         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
47         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
48         (i386_pe_strip_name_encoding): Remove.
49         (i386_pe_binds_local_p): New.
50         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
51         (i386_pe_output_labelref): Remove.
52         (i386_pe_asm_output_aligned_decl_common): New.
53         (i386_pe_maybe_record_exported_symbol): Rename from
54         i386_pe_record_exported_symbol; check for dllexported symbols.
55
56 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
57
58         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
59         add comment explaining why vsnprintf cannot be used.
60
61 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
62
63         PR tree-optimization/30666
64         * tree.c (build_complex_type): When creating type names for DWARF2
65         debug info, create TYPE_DECLs for TYPE_NAME instead of
66         IDENTIFIER_NODEs.
67         (build_common_tree_nodes_2): Use build_complex_type when building
68         predefined complex types, to preserve canonical types.
69
70 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
71
72         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
73         (noce_get_alt_condition): Look at it to determine whether to
74         reverse the condition or not.
75         (noce_get_condition): Substitute the truth for lies.
76         (noce_find_if_block): Set the then_else_reversed field.
77
78 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
79
80         * config/fr30/fr30.md (movdi): Do not accept immediates as the
81         destination of this insn.
82         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
83         than calling gen_rtx_SET directly.  Use r0 to hold the value of
84         'address + 4' rather than a stack based temporary which can be
85         mis-optimized away.
86         
87 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
88
89         * config/s390/s390.c (s390_secondary_input_reload_class,
90         s390_secondary_output_reload_class): Functions removed.
91         (s390_secondary_reload): New function.
92         (TARGET_SECONDARY_RELOAD): Target macro defined.
93         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
94         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
95         * config/s390/s390.md ("reload_outti", "reload_outdi",
96         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
97         "reload_out<mode>"): Expanders removed.
98         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
99         "reload<mode>_nonoffmem_out"): Expanders added.
100
101 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
102
103         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
104         SRC->DEST replacement failed anyway.
105
106 2007-03-28  Mike Stump  <mrs@apple.com>
107
108         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
109         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
110         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
111
112 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
113
114         * config.gcc: Accept barcelona as a variant of amdfam10.
115         * config/i386/i386.c (override_options): Likewise.
116         * doc/invoke.texi: Likewise.
117         
118 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
119
120         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
121         offsets for BIT_FIELD_REF and COMPONENT_REF.
122
123 2007-03-28  Richard Guenther  <rguenther@suse.de>
124
125         * tree.c (is_global_var): Move ...
126         * tree-flow-inline.h (is_global_var): ... here.
127         * tree.h (is_global_var): Remove declaration.
128
129 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
130
131         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
132         option.
133         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
134         * config/i386/i386.c (ix86_tune_features): Initialize new
135         tuning option.
136         * config/i386/predicates.md (promotable_binary_operator): Use
137         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
138
139 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
140
141         PR target/31380
142         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
143
144 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
145
146         * config/fr30/fr30.md (movsi_internal): Change destination
147         constraint from m to V and add m to the end. 
148
149 2007-03-28  Christian Bruel  <christian.bruel@st.com>
150
151         * config/sh/sh.md (movsi_i): Fix type attribute.
152
153 2007-03-28  Christian Bruel  <christian.bruel@st.com>
154
155         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
156         (movsf_ie): Likewise.
157
158 2007-03-28  Christian Bruel  <christian.bruel@st.com>
159
160         * config.gcc: Add sh4-300 to multilib.
161         * config/sh/t-mlib-sh4-300: New file.
162
163 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
164
165         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
166         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
167         fix_trunc<mode>di2.
168         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use 
169         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
170         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
171         "fixuns_trunctddi2"): Whitespace fix.
172
173 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
174
175         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
176         the definition of struct sh_args.
177         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
178         CALL_COOKIE_INT_REG_GET): Likewise.
179
180 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
181
182         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
183         transformations are applied successfully.
184
185 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
186
187         * tree.c (tree_contains_struct): Permit 512 tree codes.
188         * tree.h (tree_contains_struct): Ditto.
189         (MAX_TREE_CODES): Ditto.
190         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
191         SPARE member to store remaining padding bits.
192
193 2007-03-27  Anatoly Sokolov <aesok@post.ru>
194
195         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' 
196         architecture.
197
198 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
199
200         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
201         * configure: Regenerate.
202
203         * configure: Regenerate using the correct version of autoconf.
204
205 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
206
207         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
208         pointer regs.
209         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
210         regs to "__SP_L__" and "__SP_H__".
211
212 2007-03-27  Richard Guenther  <rguenther@suse.de>
213
214         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
215         computations with it with a HOST_WIDE_INT variable.  
216
217 2007-03-26  Mike Stump  <mrs@apple.com>
218
219         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
220         objective-c-header, objective-c++-header and objc++-cpp-output
221         support.
222         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
223
224 2007-03-26  Richard Henderson  <rth@redhat.com>
225
226         PR target/31361
227         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
228         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
229         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
230         IX86_BUILTIN_PSRLQ128): New.
231         (ix86_init_mmx_sse_builtins): Add them.
232         (ix86_expand_builtin): Expand them.
233         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
234         operand 2 be TImode.
235         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
236         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
237         _mm_srli_epi64): Mark __B const.
238         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
239         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
240         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use 
241         new two-vector shift builtins.
242
243 2007-03-26  Ian Lance Taylor  <iant@google.com>
244
245         PR tree-optimization/31345
246         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
247         [+INF, +INF(OVF)] into VARYING.
248
249 2007-03-26  Zack Weinberg  <zackw@panix.com>
250
251         * gengtype-parse.c: New file.
252         * gengtype-yacc.y: Delete.
253         * gengtype-lex.l: Don't include gengtype-yacc.h.
254         Define YY_DECL and yyterminate appropriately for recursive
255         descent parser.  yylval is now a string out-parameter to yylex.
256         (HWS, EOID): New shorthand.
257         (IWORD): Add a couple more types.
258         (yylex): Add a setup stanza.  Remove the complex rules for
259         detecting GTY'ed types and typedefs; replace with simple
260         keyword detectors.  Adjust everything for the changed
261         definition of yylval.  Ignore all pp-directives, not just #define.
262         (yyerror): Delete.
263         (parse_file): Rename yybegin; do not call yyparse.
264         (yyend): New.
265         * gengtype.c (xasprintf): Export again.
266         (this_file): New.  Use everywhere __FILE__ was being used.
267         (get_lang_bitmap): Special case types defined in gengtype.c.
268         (do_typedef, new_structure): Suppress definition of certain types.
269         (new_structure): Improve diagnostics of duplicate definitions.
270         Make sure location_s is associated with input.h.
271         (nreverse_pairs, define_location_structures): New functions.
272         (main): Improve tagging of kludge types.  Remove old kludges
273         for input.h types; use define_location_structures.
274         * gengtype.h: Update prototypes.  Define token codes here.
275         * Makefile.in: Remove all references to gengtype-yacc.
276         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
277         and gengtype.
278         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
279         add GTY((skip)) to the field that's only conditionally there.
280         * doc/install.texi: Document that Bison is no longer required
281         unless building treelang.
282
283         * gengtype.c: Don't include gtyp-gen.h.
284         (srcdir): Declare here.
285         (base_files, lang_dir_names): Allocate dynamically.
286         (gt_files, num_gt_files, num_lang_dirs): New globals.
287         (measure_input_list, read_input_line, read_input_list)
288         (set_lang_bitmap): New functions.
289         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
290         simplify, relying on read_input_list to set up the bitmaps.
291         (main): Arguments are no longer unused.  Check for correct number
292         of command line arguments, set srcdir and srcdir_len, then call
293         read_input_list, before doing anything else.  No need to worry
294         about duplicates in main loop.
295         * configure.ac: Simplify the calculation of all_gtfiles.
296         Put language tags in there.  Don't set or substitute
297         all_gtfiles_files_langs or all_gtfiles_files_frags.
298         * Makefile.in: Revamp the way gengtype is invoked, now that it
299         takes a file on its command line with a much simpler format.
300         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
301         (GTFILES): Remove duplicates and C source files.
302         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
303         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
304         * configure: Regenerate.
305
306         * gengtype.h: Remove all type definitions to gengtype.c; leave
307         only definitions of options_p, type_p, and pair_p as opaque
308         pointers.  Update prototypes.
309         * gengtype.c: Many type definitions moved here from gengtype.h.
310         Consolidate type definitions at the top of the file.
311         (xvasprintf): Delete.
312         (xasprintf): Make static.
313         (create_nested_pointer_option): Add 'next' parameter.
314         (create_field_all, create_field_at): New functions.
315         (create_field): Now a thin wrapper around create_field_all.
316         (create_optional_field): Rename create_optional_field_ and add
317         line argument.  Original name is now a macro which supplies
318         __LINE__.
319         (oprintf): Use vsnprintf directly.
320         (close_output_files): Use fatal rather than perror/exit.
321         (note_def_vec, note_def_vec_alloc): Use create_field_at.
322         (main): Set progname.  Don't use exit.
323         * gengtype-yacc.y (struct_fields): Use create_field_at.
324         (option, optionseqopt): Delete.
325         (optionseq): Consolidate productions from option here so we
326         can use the first argument to create_option.
327
328         * gengtype-lex.l: Distinguish unions from structures in the
329         token type.  Don't call find_structure; return the tag as a string.
330         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
331         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
332         Reorganize typedef_struct production accordingly.
333         Use create_nested_ptr_option.
334         * gengtype.c (create_nested_ptr_option): New function.
335         * gengtype.h: Declare it.
336
337         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
338         (string_type): Don't declare.
339         (do_scalar_typedef): Declare.
340         (create_scalar_type): Update prototype.
341         * gengtype.c (string_type): Make static.
342         (scalar_nonchar, scalar_char): New.
343         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
344         (resolve_typedef): Use scalar_nonchar for error recovery.
345         (create_scalar_type): Remove name_len field.  Return scalar_char
346         or scalar_nonchar as appropriate.
347         (adjust_field_type): Look at scalar_is_char boolean to decide whether
348         to use string_type.
349         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
350         whenever possible.
351         (main): Initialize scalar_char and scalar_nonchar before calling
352         gen_rtx_next.
353         * gengtype-lex.l: Adjust for removal of second argument to
354         create_scalar_type.  Use yylval.s instead of yylval.t when
355         returning SCALAR.
356         * gengtype-yacc.y: Type of SCALAR is string.  Call
357         create_scalar_type from type:SCALAR rule.  Adjust for removal of
358         second argument to create_scalar_type.
359
360         * vec.h: Remove all #if IN_GENGTYPE blocks.
361         Add comment saying that changes may require adjustments to gengtype.
362         * gengtype.c: Don't include coretypes.h or tm.h.
363         Add comment to inclusion of errors.h.
364         (note_def_vec, note_def_vec_alloc): New functions.
365         * gengtype.h: Declare new functions.
366         * gengtype-lex.l: Don't include coretypes.h.
367         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
368         Delete.
369         (update_lineno): Remove unnecessary prototype.
370         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
371         (VEC rule): Just return VEC_TOKEN.
372         * gengtype-yacc.y (VEC_TOKEN): New token type.
373         (type): Add a production for VEC(a,b).
374         * Makefile.in: Update dependencies.
375
376         * gengtype-lex.l: Remove rules for parsing pointer-to-function
377         typedefs that use the old PARAMS macro.
378
379         * gengtype-lex.l: Remove all rules and states relating to yacc
380         input files.
381         * gengtype-yacc.y: Similarly.
382         * gengtype.c (note_yacc_type): Delete function.
383         * gengtype.h: Update prototypes.
384
385 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
386
387         * tree-pretty-print.c (dump_generic_node): Report precision of
388         unnamed integer types.
389
390 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
391
392         * ifcvt.c (noce_try_store_flag_constants): Don't check
393         no_new_pseudos here.
394         (noce_try_store_flag_constants): Don't check no_new_pseudos.
395         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
396         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
397         noce_try_sign_mask): Likewise.
398         (if_convert): Check no_new_pseudos here.
399
400         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
401         Remove prototypes.
402         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
403         (noce_get_condition): Handle new then_else_reversed argument.
404         (noce_init_if_info): Remove, fold into noce_find_if_block.
405         (noce_process_if_block): Take a struct noce_if_info as the
406         argument.  Don't set up one based on ce_if_info.  Update pointer
407         references accordingly.
408         (cond_move_process_if_block): Likewise.
409         (process_if_block): Removed.
410         (find_if_block): Removed.  Move functionality two new functions,
411         noce_find_if_block and cond_exec_find_if_block.
412         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
413         blocks and the symmetric IF-ELSE-JOIN case.
414         (cond_exec_find_if_block): Also new function mostly based on old
415         find_if_block and process_if_block.
416         (find_if_header): Replace find_if_block call with separately
417         guarded calls to noce_find_if_block and cond_exec_find_if_block.
418         (find_cond_trap): Update noce_get_condition call.
419         (dead_or_predicable): Likewise.
420
421 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
422
423         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
424         Remove.
425         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
426         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
427         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
428         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
429         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
430         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
431         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
432         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
433         __builtin_ia32_psrad128 builtins.
434
435 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
436
437         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
438         * config/i386/constraints.md
439         (define_constraint "I"): Use IN_RANGE macro.
440         (define_constraint "J"): Ditto.
441         (define_constraint "K"): Ditto.
442         (define_constraint "M"): Ditto.
443         (define_constraint "N"): Ditto.
444         (define_constraint "O"): Ditto.
445         * config/i386/predicates.md
446         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
447         (define_predicate "const_0_to_3_operand"): Ditto.
448         (define_predicate "const_0_to_7_operand"): Ditto.
449         (define_predicate "const_0_to_15_operand"): Ditto.
450         (define_predicate "const_0_to_63_operand"): Ditto.
451         (define_predicate "const_0_to_255_operand"): Ditto.
452         (define_predicate "const_1_to_31_operand"): Ditto.
453         (define_predicate "const_2_to_3_operand"): Ditto.
454         (define_predicate "const_4_to_7_operand"): Ditto.
455
456 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
457
458         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
459         in SImode for save_world.
460         * config/rs6000/altivec.md (save_world, restore_world): Convert to
461         LR hard reg.
462
463 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
464
465         PR tree-optimization/30784
466         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
467         BIT_FIELD_REF.
468
469 2007-03-25  Revital Eres  <eres@il.ibm.com>
470
471         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
472           Fold movement_possibility function into it.
473
474 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
475
476         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
477         (load_macho_picbase_{si,di}): Convert to LR hard reg.
478         (call_indirect_nonlocal_darwin64): Same.
479         (call_nonlocal_darwin64): Same.
480         (call_value_indirect_nonlocal_darwin64): Same.
481         (call_value_nonlocal_darwin64): Same.
482         (sibcall_nonlocal_darwin64): Same.
483         (sibcall_value_nonlocal_darwin64): Same.
484         (sibcall_symbolic_64): Same.
485         (sibcall_value_symbolic_64): Same.
486         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
487         LR pseudo.
488         (rs6000_emit_load_toc_table): Same.
489         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
490         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
491         (mull_call): Same.
492         (divss_call): Same.
493         (divus_call): Same.
494         (quoss_call): Same.
495         (quous_call): Same.
496         (load_toc_v4_pic_si): Same
497         (load_toc_v4_PIC_1): Same.
498         (load_toc_v4_PIC_1b): Same.
499         (call_indirect_aix{32,64}): Same.
500         (call_value_indirect_aix{32,64}): Same.
501         (call): Same.
502         (call_value): Same.
503         (call_local{32,64}): Same.
504         (call_value_local{32,64}): Same.
505         (call_indirect_nonlocal_aix{32,64}): Same.
506         (call_nonlocal_aix{32,64}): Same.
507         (call_value_indirect_nonlocal_aix{32,64}): Same.
508         (call_value_nonlocal_aix{32,64}): Same.
509         (call_indirect_nonlocal_sysv<mode>): Same.
510         (call_nonlocal_sysv<mode>): Same.
511         (call_value_indirect_nonlocal_sysv<mode>): Same.
512         (call_value_nonlocal_sysv<mode>): Same.
513         (sibcall): Same.
514         (sibcall_local{32,64}): Same.
515         (sibcall_value_local{32,64}): Same.
516         (sibcall_nonlocal_aix{32,64}): Same.
517         (sibcall_value_nonlocal_aix{32,64}): Same.
518         (sibcall_nonlocal_sysv<mode>): Same.
519         (sibcall_value): Same.
520         (sibcall_value_nonlocal_sysv<mode>): Same.
521
522 2007-03-24  Paul Brook  <paul@codesourcery.com>
523
524         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
525         * config/arm/linux-eabi.h: Remove legacy syscall hack.
526
527 2007-03-24  Richard Henderson  <rth@redhat.com>
528
529         * config/ia64/constraints.md: New file.
530         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
531         satisfies_constraint_?.
532         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
533         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
534         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
535         ia64_output_mi_thunk): Likewise.
536         (ia64_const_ok_for_letter_p): Remove.
537         (ia64_const_double_ok_for_letter_p): Remove.
538         (ia64_extra_constraint): Remove.
539         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
540         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
541         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
542         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
543         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
544         EXTRA_MEMORY_CONSTRAINT): Remove.
545         * config/ia64/ia64.md: Include constriants.md.  Replace
546         CONST_OK_FOR_? with satisfies_constraint_?.
547
548 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
549             H.J. Lu  <hongjiu.lu@intel.com>
550
551         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
552         DPD or BID name.
553         (name macros): Use DPD_BID_NAME to convert names properly.
554
555         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
556         decimal floating point format.
557         (init_floating_libfuncs): Change decimal functions so that they
558         have a "bid_" prefix if the decimal system uses the BID format,
559         and "dpd_" prefix if the decimal system uses the DPD format.
560         (init_interclass_conv_libfuncs): Ditto.
561         (init_intraclass_conv_libfuncs): Ditto.
562
563         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
564         using the BID format.
565
566         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
567         whether we are using the BID decimal format.
568         * configure: Regenerate.
569
570         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
571         the compiler has decimal floating point enabled.  Define
572         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
573         instead of DPD.
574
575         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
576         using the BID format.
577
578         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
579         whether we are using the BID decimal format.
580         * configure: Regenerate.
581
582         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
583         the compiler has decimal floating point enabled.  Define
584         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
585         instead of DPD.
586
587         * doc/install.texi (--enable-decimal-float): Document BID and DPD
588         options, and that it is enabled for i386/x86_64 systems.
589
590         * Makefile.in (enable_decimal_float): New.
591         (DECNUMFMT): New.
592         (DECNUMINC): Add  -I$(DECNUMFMT).
593         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
594         to $(DECNUMFMT) from $(DECNUM).
595
596         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
597         Substitute enable_decimal_float.
598         * configure: Regenerated.
599
600         PR other/30529
601         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
602         unsigned long.
603
604         * configure.ac: Enable decimal float for x86_64-*-linux*.
605         * configure: Regenerated.
606
607         PR other/30530
608         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
609         decimal128ClearSign to flip and clear the sign bit in decimal128.
610         (decimal_real_maxval): Set decimal128SetSign to set the sign
611         bit in decimal128.
612
613 2007-03-23  Ian Lance Taylor  <iant@google.com>
614
615         * fold-const.c (fold_binary): Correct warning for X - c >= X.
616
617 2007-03-23  Ian Lance Taylor  <iant@google.com>
618
619         * tree-dump.c (dump_files): Correct comment.
620
621 2007-03-23  Ian Lance Taylor  <iant@google.com>
622
623         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
624
625 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
626
627         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
628         in cfglayout mode.  Don't go into and out of cfglayout mode.
629         Link the blocks in the order of the constructed traces.
630         (rest_of_handle_tracer): Adjust call to tracer.
631         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
632         Don't go into cfglayout mode.
633         (rtl_loop_done): Don't go out of cfglayout mode.
634         * cfglayout.c (relink_block_chain): New function, split out from...
635         (fixup_reorder_chain): ...here.  Remove redundant checking.
636         (cfg_layout_finalize): Don't clear the header, footer, and aux
637         fields here, move the code to do so to relink_block_chain.  Likewise
638         for free_original_copy_tables.
639         * rtl.h (tracer): Update prototype.
640         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
641         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
642         mode.  Use relink_block_chain to serialize the CFG according to the
643         new basic block order.  Move targetm.cannot_modify_jumps_p check from
644         here...
645         (gate_handle_reorder_blocks): ...to here.
646         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
647         from here...
648         (gate_duplicate_computed_gotos): ...to here.
649         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
650         something always changes when going into and out of cfglayout mode.
651         Perform an expensive cfg cleanup while going into cfglayout mode.
652         Always update liveness information on HAVE_conditional_execution
653         targets.  Reserialize the basic blocks and go out of cfglayout mode.
654         * reg-stack.c: Include cfglayout.h.
655         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
656         the call to reorder_basic_blocks.
657         * basic-block.h (reorder_basic_blocks): Update prototype.
658         (relink_block_chain): New prototype.
659         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
660
661 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
662
663         * config/mips/mips.md (type, hazard, *movdi_32bit,
664         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
665         *movhi_internal, *movqi_internal, *movsf_hardfloat,
666         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
667         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
668         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
669         applicable.
670         (movcc): Change first xfer to multi.
671         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
672         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
673         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
674         config/mips/generic.md: Change reservations using "xfer" to use
675         "mfc,mtc".
676         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
677         using match_operand.
678         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
679         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
680         examining mode.
681         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
682
683 2007-03-22  Richard Henderson  <rth@redhat.com>
684
685         * config/i386/i386.c: Remove unnecessary function declarations.
686         Move targetm definition, and all related macros, to the end of
687         the file.  Resort some functions to put definitions before uses.
688         (ix86_attribute_table): Make static.  Move to end of file.
689         (ix86_gimplify_va_arg): Make static.
690
691 2007-03-22  Richard Henderson  <rth@redhat.com>
692
693         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
694         don't increase local_regparm with force_align_arg_pointer check.
695         (ix86_function_sseregparm): Assert 32-bit.
696         (type_has_variadic_args_p): New.
697         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
698         type_has_variadic_args_p.
699         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
700         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
701         use memset instead.  Do maybe_vaarg check first; skip attribute
702         tests if true; skip attribute tests for 64-bit.
703         (construct_container): Remove TARGET_DEBUG_ARG.
704         (function_arg_advance_32, function_arg_advance_64): Split out ...
705         (function_arg_advance): ... from here.
706         (function_arg_32, function_arg_64): Split out ...
707         (function_arg): ... from here.
708         (ix86_pass_by_reference): Tidy.
709         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
710         (function_value_32): New, from parts of ix86_function_value
711         and ix86_value_regno.
712         (function_value_64): New, from parts of ix86_function_value
713         and ix86_libcall_value.
714         (ix86_function_value_1): New.
715         (ix86_function_value, ix86_libcall_value): Use it.
716         (return_in_memory_32, return_in_memory_64): Split out ...
717         (ix86_return_in_memory): ... from here.
718         (ix86_struct_value_rtx): Skip for 64-bit.
719         (ix86_libcall_value, ix86_value_regno): Remove.
720         (setup_incoming_varargs_64): Split out ...
721         (ix86_setup_incoming_varargs): ... from here.
722         (ix86_va_start): Remove TARGET_DEBUG_ARG.
723         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
724         * config/i386/i386-protos.h (ix86_function_value): Remove.
725         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
726
727 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
728
729         PR other/23572
730         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
731         infinities not supported, otherwise emit warning if -Woverflow. On
732         underflow, emit warning if -Woverflow.
733         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
734         and 0 otherwise.
735         * real.h (real_from_string): Update declaration
736
737 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
738             Richard Henderson  <rth@redhat.com>
739
740         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
741         * calls.c (compute_argument_block_size, expand_call,
742         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
743         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
744         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
745         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
746         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
747         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
748         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
749         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
750         Set to 1.
751
752 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
753
754         * c-incpath.c (add_sysroot_to_chain): New.
755         (merge_include_chains): Add sysroot argument.  Call
756         add_sysroot_to_chain if sysrooted.
757         (register_include_chains): Update call to merge_include_chains.
758         * doc/cppopts.texi: Document use of '=' in include directory
759         arguments.
760
761 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
762
763         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
764         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
765         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
766         insn pattern using X87MODEF12 mode macro.
767
768 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
769
770         * regmove.c (regmove_optimize): Use reg_mentioned_p
771         instead of reg_overlap_mentioned_p for DST.
772
773 2007-03-21  Mike Stump  <mrs@apple.com>
774
775         * c.opt: Fixup for Objective-C/C++.
776
777 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
778
779         * explow.c (convert_memory_address): Fold memory reference when
780         POINTERS_EXTEND_UNSIGNED < 0
781
782 2007-03-21  Richard Henderson  <rth@redhat.com>
783
784         PR target/31245
785         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
786         * config/i386/mmintrin.h (__m64): Likewise.
787         * config/i386/xmmintrin.h (__m128): Likewise.
788
789 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
790
791         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
792         (VXWORKS_OS_CPP_BUILTINS): Define.
793         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
794         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
795
796 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
797
798         * rtl.h (constant_pool_reference_p): Delete.
799         (find_constant_src): Declare.
800         * rtlanal.c (find_constant_src): New function.
801         * simplify-rtx.c (constant_pool_reference_p): Delete.
802         * config/i386/i386.md: Use find_constant_src instead of
803         constant_pool_reference_p/avoid_constant_pool_reference pairs.
804
805 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
806
807         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
808         * c-cppbuiltin.c (c_cpp_builtins): Define them.
809
810 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
811
812         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
813         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
814         (arm_elf_asm_constructor): Use it.
815         (arm_elf_asm_destructor): New function.
816
817 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
818
819         * jump.c (mark_jump_label): Treat SEQUENCE specially.
820
821 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
822
823         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
824
825 2007-03-19  Andrew Haley  <aph@redhat.com>
826
827         PR tree-optimization/31264
828         * tree-vrp.c (register_edge_assert_for_1): Don't look though
829         VIEW_CONVERT_EXPRs.
830
831 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
832
833         PR rtl-optimization/30907
834         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
835         (fwprop_init): Always call loop_optimizer_initialize.
836         (fwprop_done): Always call loop_optimizer_finalize.
837         (fwprop): We always have loop info now.
838         (gate_fwprop_addr): Remove.
839         (pass_fwprop_addr): Use gate_fwprop as gate.
840
841         PR rtl-optimization/30841
842         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
843         df_chain_alloc): Call df_reorganize_refs unconditionally.
844         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
845         refs_organized to refs_organized_size.
846         (df_ref_create_structure): Use refs_organized_size instead of
847         bitmap_size if refs had been organized, and keep refs_organized_size
848         up-to-date.
849         * df.h (struct df_ref_info): Change refs_organized to
850         refs_organized_size.
851         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
852         bitmap_size.
853
854 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
855
856         * except.c (output_function_exception_table): Do not reference the
857         EH personality routine for functions that do not require an
858         exception table.
859
860 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
861
862         PR c/30762
863         * c-typeck.c (convert_for_assignment): Call comptypes for
864         RECORD_TYPE or UNION_TYPE.
865
866         PR inline-asm/30505
867         * reload1.c (reload): Do invalid ASM checking after
868         cleanup_subreg_operands.
869
870 2007-03-19  Jeff Law  <law@redhat.com>
871
872         * tree-cfg.c (find_taken_edge): Tighten conditions for
873         optimizing computed gotos.
874
875 2007-03-19  Michael Matz  <matz@suse.de>
876
877         * builtins.c (expand_builtin_sync_operation,
878         expand_builtin_compare_and_swap,
879         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
880         correctly.
881
882         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
883         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
884         for operand 3.
885
886 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
887
888         * doc/tm.texi: Add brackets around the return type of
889         TARGET_SECONDARY_RELOAD.
890
891 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
892         Richard Guenther  <rguenther@suse.de>
893
894         PR tree-optimization/31254
895         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
896         Use handled_component_p () where appropriate.  Continue
897         propagating into the rhs if we propagated into an INDIRECT_REF
898         on the lhs.
899
900 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
901
902         * config/s390/s390.md (op_type attribute): RRR instruction type added.
903         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
904         (xde, xdee): Mode attributes adjusted to support DFP modes.
905         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
906         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
907         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
908         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
909         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
910         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
911         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
912         numbers.
913         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
914         "movsf"): Insn definitions removed.
915         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
916         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
917         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
918         definitions added.
919         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
920         "reload_in<mode>", "reload_out<mode>"): Expander added.
921         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
922         Expander removed.
923
924 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
925
926         * config/s390/s390.md: Only non-functional changes.  Renamed
927         FPR mode macro to BFP all over the file.
928
929 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
930
931         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
932         (op_type attribute): RRF instruction type added.
933         (fT0): New mode attribute.
934         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
935         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
936         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
937         no secondary memory is needed when moving DFmode values between GPRs
938         and FPRs.
939
940 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
941
942         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
943         inverted and documentation adjusted.
944         ("mhard-dfp", "msoft-dfp"): New options.
945         * config/s390/s390.c (s390_handle_arch_option): New architecture
946         switch: z9-ec.
947         (override_options): Sanity checks for the new options added.
948         * config.gcc: New architecture switch: z9-ec.
949         * config/s390/s390.h (processor_flags): PF_DFP added.
950         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
951         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
952         when the bit is NOT set so remove it from the defaults.
953
954 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
955
956         * genemit.c (main): Print include statement for dfp.h.
957         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
958         is not available.
959
960 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
961
962         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
963
964 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
965
966         PR target/31022
967         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
968         instead of PATTERN.
969
970 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
971
972         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
973         attr_length_call, output_call, output_indirect_call): Cleanup
974         formatting of targetm calls.
975
976 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
977
978         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
979
980 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
981
982         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
983         reservation, bypass and anti-bypass descriptions for these instructions.
984         Update move patterns.
985         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
986         TYPE_FPSTORE.
987
988 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
989
990         * tree-vect-transform.c (get_initial_def_for_induction): Replace
991         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
992         (get_initial_def_for_reduction): Likewise.
993
994 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
995
996         Fix PR tree-optimization/29922
997         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
998         (get_representative): Removed.
999         (value_dies_in_block_x): Update for rvuse removal.
1000         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1001         (compute_antic_aux): Handle when PHI nodes appear in
1002         non-single-successors.
1003         (dump_bitmap_of_names): Removed.
1004         (compute_antic_safe): Renamed and removed rvuse calculation.
1005         Calculate only antic safe.
1006         (insert_into_preds_of_block): Remove assert.
1007         (execute_pre): Update for renamed functions.
1008         (defer_or_phi_translate_block): New function.
1009
1010 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1011
1012         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1013         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1014         typos.
1015         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1016         Follow spelling conventions.
1017
1018         * tree-data-ref.h: Remove the prototype for analyze_array.
1019
1020 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1021
1022         PR tree-optimization/31041
1023         * tree-vect-transform.c (get_initial_def_for_induction): Call
1024         force_gimple_operand.
1025
1026 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1027
1028         * ipa-type-escape.c (look_for_casts) : Revert code to use
1029         handled_component_p due to ada test a-numaux.adb.
1030
1031 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1032
1033         * final.c (final_scan_insn): Alter the condition of a
1034         conditional trap if we have nonstandard CC.
1035
1036 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1037
1038         * configure.ac: Remove excess quoting from asm line 0 test.
1039         * configure: Rebuilt.
1040
1041 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1042
1043         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1044         * c-common.c (convert_and_check): Move warning logic to...
1045         (warnings_for_convert_and_check): ...here. Define.
1046         * c-common.h (warnings_for_convert_and_check): Declare.
1047
1048 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1049
1050         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1051         (output_call): Likewise.
1052
1053 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1054
1055         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1056
1057 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1058
1059         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1060
1061 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1062
1063         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1064         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1065
1066 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1067
1068         PR tree-optimization/31183
1069         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1070         Use double_int instead of unsigned int for representing access_strides.
1071         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1072
1073 2007-03-16  Richard Guenther  <rguenther@suse.de>
1074
1075         PR tree-optimization/31146
1076         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1077         to allow recursion of forward_propagate_addr_expr.
1078         (forward_propagate_addr_into_variable_array_index): Likewise.
1079         (forward_propagate_addr_expr): Likewise.
1080         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1081         (forward_propagate_addr_expr_1): Recurse on simple copies
1082         instead of propagating into them.  Do so for useless conversions
1083         as well.
1084         (forward_propagate_addr_expr): Clean up unused statements after
1085         recursion.
1086
1087 2007-03-16  Richard Guenther  <rguenther@suse.de>
1088
1089         * builtins.c (expand_builtin_cexpi): Use the right argument
1090         for the expansion via cexp.
1091
1092 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1093
1094         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1095         * configure: Rebuilt.
1096
1097 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1098
1099         PR debug/29906
1100         * dwarf2out.c (force_type_die): Adjust comment.
1101         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1102
1103 2007-03-15  DJ Delorie  <dj@redhat.com>
1104
1105         * config/frv/predicates.md (minmax_operator): Don't check operands
1106         here.
1107
1108 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1109
1110         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1111         Update constant estimates of number of iterations.
1112         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1113         argument renamed to "realistic".
1114         (compute_estimated_nb_iterations): Removed.
1115         (record_niter_bound): New function.
1116         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1117         call record_nonwrapping_iv with upper = false.
1118         (infer_loop_bounds_from_signedness): Pass upper argument to
1119         record_nonwrapping_iv.
1120         (estimate_numbers_of_iterations_loop): Do not call
1121         compute_estimated_nb_iterations.  Record estimate based on profile
1122         information.  Initialize the constant estimates of number of
1123         iterations.
1124         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1125         estimates.
1126         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1127         number of iterations is too small.
1128         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1129         (EST_NOT_AVAILABLE): Removed.
1130         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1131         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1132         fields.
1133
1134 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1135
1136         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1137         Handle NE_EXPR guards.
1138
1139 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1140
1141         PR c++/24924
1142         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1143         Set also -pedantic-errors by default for the  preprocessor unless
1144         -fpermissive is given.
1145
1146 2007-03-15  Richard Guenther  <rguenther@suse.de>
1147
1148         PR middle-end/29719
1149         PR middle-end/31161
1150         * builtins.c (expand_builtin_cexpi): As a fallback if we
1151         don't have builtins for sincos or cexp create a function
1152         declaration for cexp and expand to a call to that.
1153         (expand_builtin_int_roundingfn): Always fall
1154         back to floor/ceil and its variants even if they may be
1155         not available.
1156
1157 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1158
1159         PR middle-end/31159
1160         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1161         jump tables, move the call to delete_dead_jumptables from here...
1162         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1163         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1164         don't allow merging of blocks that try_redirect_by_replacing_jump
1165         also does not handle when not optimizing.
1166
1167 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1168             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1169
1170         * config/i386/i386.md (x86_sahf_1): Correctly handle
1171         HAVE_AS_IX86_SAHF.
1172
1173 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1174
1175         PR target/31167
1176         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1177         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1178         from operand constraints and use "e" constraint instead.
1179         (*subti3_1, *subti3_1 splitter): Ditto.
1180         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1181         operand[1] predicate.
1182
1183 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1184
1185         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1186         arrays, multiply the access strides by the size of the sub-array.
1187         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1188
1189 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1190
1191         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1192         the configured assembler supports the sahf mnemonic.
1193         * configure: Regenerate.
1194         * config.in: Regenerate.
1195
1196         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1197         emit "sahf" or ".byte\t0x9e" as asm template.
1198
1199 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1200
1201         PR 31018
1202         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1203         option to replace hard coded TARGET_xxx in md file.
1204         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1205         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1206         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1207         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1208         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1209         (X86_TUNE_NOT_VECTORMODE): Ditto.
1210         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1211         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1212         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1213         (TUNE_SLOW_IMUL_IMM8): Ditto.
1214         (TUNE_MOVE_M1_VIA_OR): Ditto.
1215         (TUNE_NOT_UNPAIRABLE): Ditto.
1216         (TUNE_NOT_VECTORMODE): Ditto.
1217
1218         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1219         options.
1220
1221         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1222         tuning options instead of hard coded TARGET_xxx.
1223         (fix ssemode peephole2's): Ditto.
1224         (imul peephole2's): Ditto.
1225         (movsi_or): Ditto.
1226         (movdi_or_rex64): Ditto.
1227         (move peephole2): Ditto.
1228         (not peephole2's): Ditto.
1229
1230 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1231
1232         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1233         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1234         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1235         of empty body.
1236         * c-parser.c (c_parser_do_statement): Warn about empty body in
1237         do/while statement.
1238         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1239         * doc/invoke.texi (-Wempty-body): Update documentation.
1240
1241 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1242
1243         PR c/21438
1244         * c-common.h (warn_for_div_by_zero): Declare.
1245         * c-common.c (warn_for_div_by_zero): Define.
1246         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1247         warning.
1248
1249 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1250
1251         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1252         to PREFIX and STANDARD_PREFIX.
1253
1254 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1255             Phil Edwards  <phil@codesourcery.com>
1256
1257         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1258         (__gthread_once_t): Remove busy field for RTPs.
1259         (__GTHREAD_ONCE_INIT): Update accordingly.
1260
1261 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1262
1263         * doc/invoke.texi: Document VxWorks options.
1264
1265 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1266
1267         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1268
1269 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1270
1271         PR tree-optimization/30590
1272         * tree-nrv.c (tree_nrv): Check for the partial update of the
1273         return value.
1274
1275 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1276
1277         * flags.h (flag_random_seed): Remove declaration, in favor of...
1278         * toplev.h (get_random_seed, set_random_seed): ... these.
1279         * tree.c (get_file_function_name): Use the former.
1280         * opts.c (common_handle_option): Use the latter.
1281         * toplev.c
1282
1283 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1284
1285         PR middle-end/31127
1286         * cse.c (cse_find_path): Do not bail out if a basic block that
1287         we already visited now becomes part of a path that starts at a
1288         different basic block.  Just disallow this, to make sure we
1289         visit each basic block at most once.
1290
1291 2007-03-13  Jan Hubicka  <jh@suse.cz>
1292
1293         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1294         when profile esitmate is present, calls with very low frequency are
1295         cold.
1296
1297 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1298
1299         PR tree-optimization/30730
1300         PR tree-optimization/26900
1301         * tree-ssa-loop-niter.c: Include gmp.h.
1302         (bounds): New type.
1303         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1304         split_to_var_and_offset, determine_value_range,
1305         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1306         bound_difference, bounds_add, bounds_negate,
1307         number_of_iterations_ne_max, dump_affine_iv): New functions.
1308         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1309         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1310         difference of initial and final value of control iv to validate
1311         results.
1312         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1313         on the difference of the extremes of the control iv.  Add dumps.
1314         (expand_simple_operations): Handle phi nodes.
1315         (simplify_using_initial_conditions): Do not record used conditions.
1316         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1317         Do not set additional_info.
1318         (implies_nonnegative_p, implies_ge_p): Removed.
1319         (derive_constant_upper_bound): Do not use parameter `additional'.
1320         (record_estimate): Parameter `additional' removed.  Parameter
1321         `i_bound' added.  Do not call derive_constant_upper_bound.
1322         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1323         bound the number of iterations estimate.
1324         (estimate_numbers_of_iterations_loop): Pass the estimate from
1325         the number of iterations analysis to record_estimate.
1326         * tree.h (multiple_of_p): Declare.
1327         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1328         (scev_const_prop): Do not check expression_expensive_p.
1329         * fold-const.c (multiple_of_p): Exported.
1330         * double-int.c (double_int_mask): Exported.
1331         * double-int.h (double_int_mask): Declare.
1332         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1333         field.  Added max field.
1334
1335 2007-03-13  David Taylor  <taylor@candd.org>
1336
1337         PR driver/12448:
1338         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1339         default -MQ.
1340
1341 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1342
1343         PR target/31123
1344         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1345         two unamed patterns.
1346
1347 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1348
1349         * config/i386/i386.opt (mcx16, msahf): New options.
1350         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1351         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1352
1353         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1354         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1355         Output -mcx16 and -msahf options when corresponding bit is set.
1356
1357         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1358         and -msahf options.
1359
1360 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1361
1362         * configure.ac: Test for assembler tolerance to # 0 "".
1363         * configure, config.in: Rebuilt.
1364         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1365
1366 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1367
1368         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1369
1370         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1371         (handle_syscall): Handle direct system calls.
1372         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1373
1374 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1375
1376         * doc/invoke.texi: Fix cpp.info cross-reference.
1377         * doc/passes.texi: Fix gcc.info cross-reference.
1378
1379 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1380
1381         PR tree-optimization/30835
1382         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1383         bb_for_stmt is not NULL before accessing it.
1384
1385 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1386
1387         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1388         some multilibs.
1389
1390 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1391
1392         PR 30635
1393         * doc/install.texi: Document --enable-stage1-languages
1394
1395 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1396
1397         * tree-pass.h (pass_into_cfg_layout_mode,
1398         pass_outof_cfg_layout_mode): Declare.
1399         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1400         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1401         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1402         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1403
1404 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1405
1406         * c-decl.c (warn_variable_length_array): New function.
1407         Refactored from grokdeclarator to handle warn_vla
1408         and handle unnamed array case.
1409         (grokdeclarator): Refactored VLA warning case.
1410         * c.opt (Wvla): New flag.
1411         * doc/invoke.texi (Wvla): New warning.
1412
1413 2007-03-12  Richard Henderson  <rth@redhat.com>
1414
1415         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1416         (TARGET_SECTION_TYPE_FLAGS): New.
1417
1418 2007-03-12  Richard Henderson  <rth@redhat.com>
1419
1420         * config/darwin.c (machopic_reloc_rw_mask): New.
1421         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1422         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1423
1424 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1425
1426         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1427         * cppdefault.h (cpp_PREFIX): Document.
1428         (cpp_PREFIX_len): Likewise.
1429         (cpp_EXEC_PREFIX): New variable.
1430         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1431         * c-incpath.c (add_standard_paths): Correct logic for relocating
1432         paths within prefix.
1433
1434 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1435
1436         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1437         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1438         mode macro.
1439         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1440         fix_truncdfdi_sse using SSEMODEF mode macro.
1441         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1442         fix_truncdfsi_sse using SSEMODEF mode macro.
1443         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1444         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1445
1446 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1447
1448         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1449         elfos.h to tm_file.
1450
1451 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1452
1453         * tree.h : Add multiple_of_p declaration.
1454         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1455         * ipa-type-escape.c (results_of_malloc): Redundant.
1456         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1457         (cast_type): Extended with new members.
1458         (check_cast): Returns cast_type.
1459         (cast): New structure for data of walk_use_def_chains.
1460         (is_malloc_result, is_cast_from_non_pointer_1,
1461         is_cast_from_non_pointer,
1462         is_array_access_through_pointer_and_index): New functions.
1463         (look_for_casts): Returns cast types.
1464         (check_call): Returns void.
1465         (okay_pointer_operation): Use support of pointer plus index,
1466         pointer plus constant and allow all multiplications.
1467
1468 2007-03-11  Richard Guenther  <rguenther@suse.de>
1469
1470         PR tree-optimization/31115
1471         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1472         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1473         A shift count of zero is not special as with *_DIV_EXPR.
1474         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1475         direction.
1476
1477 2007-03-11  Ian Lance Taylor  <iant@google.com>
1478
1479         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1480         the *_DIV_EXPR codes correctly with overflow infinities.
1481
1482 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1483
1484         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1485         indicate success/failure of the analysis. Add negation to subtrahend
1486         in case of subtraction. Fail if both operands contain constants.
1487         (create_data_ref): Fail if analyze_offset fails.
1488
1489 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1490
1491         * config/i386/i386.md (frndintxf2): Rename to ...
1492         (rintxf2): ... this. Remove expander having same name.
1493         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1494         (roundsf2, rounddf2): Ditto.
1495         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1496         (lround<mode>di2, lround<mode>si2): Ditto.
1497
1498 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1499
1500         * lower-subreg.c: Include except.h.
1501         (decompose_multiword_subregs): Verify that the only control flow
1502         insns we can split are loads to multi-words pseudos.
1503         Handle breaking such blocks after splitting, instead of calling
1504         find_many_sub_basic_blocks.
1505
1506         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1507         on the new basic block.  Add a lengthy comment explaining why we
1508         thought this was necessary.
1509         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1510
1511 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1512
1513         PR c++/30924
1514         * tree.c (walk_type_fields): Recurse into the element type of
1515         ARRAY_TYPEs if there is a pointer set.
1516
1517 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1518
1519         * c-common.c (warn_logical_operator): Fix condition.
1520
1521 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1522
1523         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1524         quotation mark.
1525         * config/darwin.c (machopic_select_section): Remove superfluous
1526         argument in call to categorize_decl_for_section.  Remove unused
1527         variable shlib.
1528
1529 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1530
1531         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1532         defined.
1533         * configure: Regenerate.
1534
1535 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1536
1537         PR target/31101
1538         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1539         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1540         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1541         Add LABEL_NUSES to emitted label.
1542         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1543         branch probability value to emitted jump insn.
1544         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1545         Do not check life information and do not re-arrange input operands
1546         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1547
1548 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1549
1550         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1551         the change of decode_asm_operands.
1552
1553 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1554
1555         * mode-switching.c (create_pre_exit): Skip blockage insn.
1556
1557 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1558
1559         * tree-pass.h (TODO_update_smt_usage): Remove.
1560         Update all users.
1561         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1562         argument SOME.
1563         Update all users.
1564
1565 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1566
1567         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1568         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1569         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1570         SOM target.
1571
1572 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1573
1574         * gcc.c: Document %{, in big comment at top.
1575         (input_suffix_matches): Remove special handling for .s and
1576         .S.
1577         (input_spec_matches): New.
1578         (handle_braces): Handle %{,.
1579         (validate_switches): ',' indicates a value which is not a switch.
1580         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1581         to detect assembler input.
1582         * config/i386/sol2.h (CPP_SPEC): Likewise.
1583         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1584         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1585         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1586         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1587         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1588         -m64 causes deployment target to default to 10.5.
1589         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1590
1591 2007-03-09  Richard Henderson  <rth@redhat.com>
1592
1593         PR target/26090
1594         * target.h (targetm.asm.out.reloc_rw_mask): New.
1595         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1596         (TARGET_ASM_OUT): Use it.
1597         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1598         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1599         use the new reloc_rw_mask target hook instead.
1600         (default_section_type_flags_1): Merge into...
1601         (default_section_type_flags): ... here.
1602         (decl_readonly_section_1): Merge into...
1603         (decl_readonly_section): ... here.
1604         (default_elf_select_section_1): Merge into...
1605         (default_elf_select_section): ... here.
1606         (default_unique_section_1): Merge into...
1607         (default_unique_section): ... here.
1608         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1609         (default_select_rtx_section): Use it.
1610         (default_elf_select_rtx_section): Likewise.
1611         * output.h: Update to match.
1612         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1613         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1614         (TARGET_ASM_RELOC_RW_MASK): New.
1615         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1616         to categorize_decl_for_section.
1617         (x86_64_elf_unique_section): Likewise.
1618         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1619         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1620         (TARGET_ASM_RELOC_RW_MASK): New.
1621         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1622         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1623         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1624         (TARGET_RWRELOC): Remove.
1625         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1626         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1627         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1628         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1629         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1630         (rs6000_xcoff_select_section): Use decl_readonly_section.
1631         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1632         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1633         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1634         (TARGET_SECTION_TYPE_FLAGS): Remove.
1635         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1636
1637 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1638
1639         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1640         complex constant equality/inequality comparisons for here.
1641         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1642         known at compile-time or can be simplified to a scalar comparison.
1643         (fold_relational_const): Move compile-time evaluation of complex
1644         constant equality/inequality comparisons to here.
1645
1646 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1647
1648         PR rtl-optimization/30643
1649         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1650         dest_addr_elt.
1651         (fold_rtx): Recurse, like before 2006-11-03.
1652
1653 2007-03-09  DJ Delorie  <dj@redhat.com>
1654
1655         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1656         m32c-pragma.o.
1657
1658 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1659
1660         PR tree-optimization/30375
1661         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1662         LHS of statements is not the same.
1663         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1664
1665 2007-03-09  Chao-ying Fu  <fu@mips.com>
1666
1667         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1668         REV 2.
1669         * doc/invoke.texi (-mdspr2): Document new option.
1670         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1671         New unspec for DSP REV 2.
1672         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1673         these instructions are extended in DSP REV 2.
1674         (mips-dspr2.md): Include.
1675         * config/mips/mips.opt (mdspr2): New option.
1676         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1677         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1678         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1679         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1680         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1681         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1682         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1683         and 2 builtins.
1684         (bdesc_map): Add one field of unsupported_target_flags.
1685         (bdesc_arrays):  Update entries to have extra fields.  Add
1686         dsp_32only_bdesc.
1687         (mips_init_builtins): Initialize new function types.
1688         Check unsupported_target_fileds to filter out builtins.
1689         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1690         TARGET_DSPR2.
1691         (ASM_SPEC): Pass mdspr2 to the assembler.
1692         * config/mips/mips-dspr2.md: New file.
1693
1694 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1695
1696         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1697
1698 2007-03-09  Ian Lance Taylor  <iant@google.com>
1699
1700         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1701         argument) like -Wstrict-overflow=2.
1702         * doc/invoke.texi (Warning Options): Update documentation.
1703
1704 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1705
1706         PR c++/17946
1707         * doc/invoke.texi (-Wlogical-op): Document.
1708         * common.opt (-Wlogical-op): New.
1709         * c-common.h (warn_logical_operator): Declare.
1710         * c-common.c (warn_logical_operator): Define.
1711         * c-typeck.c (parser_build_binary_op): Call
1712         warn_logical_operator.
1713
1714 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1715
1716         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1717         * final.c (final_scan_insn): Test for non-"" file name.
1718
1719 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1720
1721         * doc/loop.texi: Document the Omega linear constraints solver.
1722         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1723         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1724         omega-hash-table-size, omega-max-keys, and
1725         omega-eliminate-redundant-constraints.
1726         * tree-pass.h (pass_check_data_deps): Declared.
1727         * omega.c: New.
1728         * omega.h: New.
1729         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1730         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1731         pass_check_data_deps): New.
1732         * tree-data-ref.c (init_data_ref): Remove declaration.
1733         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1734         (analyze_array): Renamed init_array_ref, move up initializations.
1735         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1736         Removed arguments that are set to NULL.
1737         (analyze_indirect_ref): Correct indentation, correct call to
1738         init_pointer_ref.
1739         (object_analysis): Call init_array_ref instead of analyze_array.
1740         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1741         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1742         of DR_ACCESS_FNS_ADDR.
1743         (init_omega_eq_with_af, omega_extract_distance_vectors,
1744         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1745         ddr_consistent_p): New.
1746         (compute_affine_dependence): Check consistency of ddrs when
1747         flag_check_data_deps is passed.
1748         (analyze_all_data_dependences): Uncomment.
1749         (tree_check_data_deps): New.
1750         * tree-data-ref.h: Include omega.h.
1751         (DR_ACCESS_FNS_ADDR): Removed.
1752         (data_dependence_relation): Add inner_loop.
1753         (DDR_INNER_LOOP): New.
1754         * common.opt (fcheck-data-deps): New.
1755         * tree-flow.h (tree_check_data_deps): Declare.
1756         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1757         (OBJS-common): Depend on omega.o.
1758         (omega.o): Define.
1759         * passes.c (pass_check_data_deps): Scheduled.
1760         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1761         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1762         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1763         PARAM_VECT_MAX_VERSION_CHECKS,
1764         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1765
1766 2007-03-09  Richard Guenther  <rguenther@suse.de>
1767
1768         PR tree-optimization/30904
1769         PR middle-end/31058
1770         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1771         the same way as *_DIV_EXPR.
1772
1773 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1774
1775         * recog.c (decode_asm_operands): No mixed declarations and code.
1776
1777 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1778
1779         * rtl.def (ASM_INPUT): Add location.
1780         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1781         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1782         (decode_asm_operands): Add loc operand.
1783         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1784         * stmt.c (expand_asm): Rename to...
1785         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1786         gen_rtx_ASM_INPUT_loc.
1787         (expand_asm_expr): Adjust.
1788         * recog.c (decode_asm_operands): Add loc operand.
1789         (check_asm_operands, extract_insn): Adjust.
1790         * reload1.c (maybe_fix_stack_asms): Likewise.
1791         * final.c (asm_insn_count): Likewise.
1792         (final_scan_insn): Output # line before and after asm.
1793
1794 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1795
1796         * tree-ssa-structalias.c (variable_info): Remove
1797         finished_solution.
1798         (new_var_info): Ditto.
1799         (shared_bitmap_info_t): New structure.
1800         (shared_bitmap_table): New variable.
1801         (shared_bitmap_hash): New function.
1802         (shared_bitmap_eq): Ditto
1803         (shared_bitmap_lookup): Ditto.
1804         (shared_bitmap_add): Ditto.
1805         (merge_smts_into): Change to take bitmap directly.
1806         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1807         (init_alias_vars): Init shared bitmap hashtable.
1808         (delete_points_to_sets): Delete shared bitmap hashtable.
1809         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1810         is_aliased removal as a change that was still necessary was
1811         deleted.
1812
1813 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1814
1815         * config/i386/i386.h (override_options): Conditionally disable
1816         x86_sahf for 64bit targets only.
1817
1818 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1819
1820         PR C/31072
1821         * c-decl.c (merge_decls): Don't call make_var_volatile.
1822         * varasm.c (make_var_volatile): Remove.
1823         * output.h (make_var_volatile): Remove.
1824
1825 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1826
1827         PR tree-optimization/31085
1828         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1829
1830 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1831
1832         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1833         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1834         ATTR_CONST_NOTHROW_LIST.
1835
1836         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1837         FIX_TRUNC_EXPR.
1838
1839 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1840
1841         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1842
1843 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1844
1845         PR 31013
1846         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1847         is declared.
1848         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1849         passed, use shared libgcc.
1850
1851 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1852
1853         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1854         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1855         (honor_protect_cleanup_actions, lower_try_finally_switch):
1856         Likewise.
1857         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1858         ifc_temp_var): Likewise.
1859         * tree-inline.c (setup_one_parameter): Likewise.
1860         * tree-mudflap.c (mf_decl_cache_locals,
1861         mf_build_check_statement_for): Likewise.
1862         * tree-nested.c (init_tmp_var, save_tmp_var,
1863         finalize_nesting_tree_1): Likewise.
1864         * tree-outof-ssa.c (insert_copy_on_edge,
1865         insert_backedge_copies): Likewise.
1866         * tree-profile.c (tree_gen_edge_profiler,
1867         tree_gen_ic_profiler): Likewise.
1868         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1869         * tree-sra.c (sra_build_assignment): Likewise.
1870         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1871         * tree-ssa-math-opts.c (insert_reciprocals,
1872         execute_cse_sincos_1): Likewise.
1873         * tree-tailcall.c (adjust_accumulator_values,
1874         adjust_return_value): Likewise.
1875         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1876         * tree-vect-transform.c (vect_create_data_ref_ptr,
1877         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1878         vect_create_epilog_for_reduction, vectorizable_reduction,
1879         vectorizable_call, vectorizable_conversion,
1880         vectorizable_assignment, vectorizable_operation,
1881         vectorizable_type_demotion, vect_gen_widened_results_half,
1882         vect_permute_store_chain, vectorizable_store,
1883         vect_setup_realignment, vect_permute_load_chain,
1884         vectorizable_load, vectorizable_condition,
1885         vect_create_cond_for_align_checks): Likewise.
1886         * tree-vrp.c (build_assert_expr_for): Likewise.
1887
1888 2007-03-08  Ian Lance Taylor  <iant@google.com>
1889
1890         * tree-vrp.c: Include "intl.h".
1891         (usable_range_p): New static function.
1892         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1893         overflowed values, juts set *strict_overflow_p.
1894         (compare_values): Only return -2 if one of the operands is not a
1895         constant.
1896         (compare_ranges): Call usable_range_p.
1897         (compare_range_with_value): Likewise.
1898         (vrp_evaluate_conditional_warnv): Rename from
1899         vrp_evaluate_conditional.  Make static.  Change all callers.
1900         (vrp_evaluate_conditional): New function.
1901         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1902         on signed overflow.
1903         (simplify_abs_using_ranges): Likewise.
1904         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1905         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1906         within_stmt parameter.
1907         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1908         vrp_evaluate_conditional.
1909         * tree-ssa-threadedge.c
1910         (record_temporary_equivalences_from_stmts_at_dest): Change
1911         simplify parameter to take a second tree parameter.
1912         (simplify_control_stmt_condition): Likewise.
1913         (thread_across_edge): Likewise.
1914         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1915         (thread_across_edge): Likewise.
1916         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1917
1918 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1919
1920         * config/i386/i386.h (TARGET_SAHF): New define.
1921         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1922         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1923         (x86_sahf): New global variable.
1924         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1925         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1926         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1927         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1928         for 64-bit.
1929         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1930         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1931         when expanding fcomi/sahf based tests.
1932         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1933         expanding sahf based alternative. Emit sahf based sequence when
1934         optimizing for code size.
1935         * config/i386/i386.md (x86_sahf_1): Do not disable for
1936         TARGET_64BIT, enable for TARGET_SAHF.
1937
1938 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1939
1940         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1941         spurious whitespace from error message.
1942
1943 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1944
1945         PR c++/30852
1946         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1947
1948 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1949
1950         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1951         bitfields.
1952         * tree-sra.c (instantiate_element): Propagate disabled warnings
1953         from the element itself to the created variable.
1954
1955 2007-03-07  Richard Henderson  <rth@redhat.com>
1956
1957         PR target/30848
1958         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1959         silently fix up the stack in the case of a missing register.
1960
1961 2007-03-07  Paul Brook  <paul@codesourcery.com>
1962
1963         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1964
1965 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1966
1967         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1968         New.
1969         (phase1_vrs): Use them.
1970         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1971         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1972         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1973         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1974         __gnu_Unwind_Restore_WMMXC if required.
1975         (_Unwind_VRS_Pop): Implement iWMMXt support.
1976         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1977         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1978         gnu_Unwind_Save_WMMXC): Define.
1979
1980 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1981
1982         * config/vxworks.h (vxworks_override_options): Declare.
1983         (VXWORKS_OVERRIDE_OPTIONS): Use it.
1984         * config/vxworks.c: Include target.h and toplev.h.
1985         (vxworks_override_options): New function.
1986         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1987
1988 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1989
1990         * config/s390/s390.c (override_options): Don't emit an error when
1991         -mstack-size is used without providing -mstack-guard.
1992         (s390_emit_prologue): Choose stack_guard value automatically if not
1993         provided via command line.
1994         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1995
1996 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1997
1998         * config/i386/i386.c (output_set_got): Add a GOT initialization
1999         sequence for VxWorks PIC.
2000         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2001         around labels as well as symbols.  Use gotoff_operand instead
2002         of local_symbolic_operand.
2003         (legitimize_pic_address): Use gotoff_operand instead of
2004         local_symbolic_operand.  Use @GOT accesses for labels as
2005         well as symbols.
2006         (ix86_output_addr_diff_elt): Use PC-relative rather than
2007         GP-relative offsets for VxWorks PIC.
2008         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2009         no_new_pseudos.  Check whether the returned register is op0.
2010         * config/i386/i386.md (tablejump): Use PC-relative rather than
2011         GP-relative offsets for VxWorks PIC.
2012         * config/i386/predicates.md (gotoff_operand): New predicate.
2013
2014 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2015
2016         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2017         before defining.
2018         * config/vxworks-dummy.h: New file.
2019         * config/i386/i386.h: Include it.
2020
2021 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2022
2023         * dwarf2out.c (is_inlined_entry_point): New
2024         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2025         DW_AT_ranges if the first subblock is the entry point.
2026
2027 2007-03-06  David Daney  <ddaney@avtrex.com>
2028
2029         * doc/install.texi (mips-*-*): Change recommended binutils
2030         version.
2031
2032 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2033
2034         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2035         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2036         devices.
2037         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2038         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2039
2040 2007-03-06  Jan Hubicka  <jh@suse.cz>
2041
2042         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2043         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2044         are hot.
2045         (probably_cold_bb_p): Cold functions are cold.
2046         (probably_never_executed_bb_p): Cold functions are cold.
2047         (tree_bb_level_predictions): Predict calls to cold functions as not
2048         taken.
2049         (compute_function_frequency): Check hot/cold attributes.
2050         * function.h (function_frequency): Update comments.
2051         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2052         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2053         (c_common_att): Add cold and hot.
2054
2055         * doc/extend.texi (hot,cold attributes): Document.
2056
2057 2007-03-06  Andrew Haley  <aph@redhat.com>
2058
2059         * function.c (expand_function_end): Move blockage to just after we
2060         emit the label for the naked return from the function.
2061
2062 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2063
2064         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2065         before redefining.
2066
2067 2007-03-06  Jan Hubicka  <jh@suse.cz>
2068
2069         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2070         loaded for constant large models.  Non-large 64bit PIC can do.
2071         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2072         * cmodel.h: Add LARGE PIC.
2073         * i386.md (UNSPEC_PLTOFF): New.
2074         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2075         needed.
2076         (*call_1_rex64): Disable for large models.
2077         (*call_1_rex64_large): New.
2078         (*call_value_1_rex64): Disable for large models.
2079         (*call_value_1_rex64_large): New.
2080         (set_rip_rex4): New.
2081         (set_got_offset_rex64): New.
2082         * predicates.md (constant_call_address_operand): For large model
2083         constant calls are not possible.
2084         * i386-protos.h (construct_plt_address): Declare.
2085         * i386.c (override_options): Accept large models.
2086         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2087         (legitimate_constant_p): Add new UNSPECs.
2088         (legitimate_pic_operand_p): Likewise.
2089         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2090         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2091         non-large model.
2092         (output_pic_addr_const): Add PLTOFF.
2093         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2094         (ix86_expand_move): Legitimize pic address when in PIC mode.
2095         (construct_plt_address): New function.
2096         (ix86_expand_call): Offload the address to register and use GOT pointer
2097         for large model.
2098         * invoke.texi (mcmodel=large): Update documentation.
2099
2100 2007-03-06  Richard Henderson  <rth@redhat.com>
2101
2102         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2103         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2104         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2105         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2106         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2107         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2108         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2109         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2110         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2111         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2112         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2113         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2114         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2115         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2116         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2117         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2118         x86_schedule, x86_use_bt, x86_pad_returns,
2119         x86_use_xchgb): Merge into ...
2120         (ix86_tune_features): ... here.  New array.
2121         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2122         x86_bswap): Merge into ...
2123         (ix86_arch_features): ... here.  New array.
2124         (x86_3dnow_a): Remove.
2125         (x86_accumulate_outgoing_args): Make static.
2126         (x86_arch_always_fancy_math_387): Make static.
2127         (ix86_tune_mask, ix86_arch_mask): Move ...
2128         (override_options): ... to local variables here.  Apply the
2129         appropriate mask to each element of ix86_arch_features and
2130         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2131         as were done in the old macros.
2132         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2133         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2134         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2135         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2136         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2137         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2138         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2139         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2140         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2141         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2142         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2143         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2144         x86_accumulate_outgoing_args, x86_prologue_using_move,
2145         x86_epilogue_using_move, x86_decompose_lea,
2146         x86_arch_always_fancy_math_387, x86_shift1,
2147         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2148         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2149         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2150         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2151         x86_use_incdec, x86_pad_returns, x86_bswap,
2152         x86_partial_flag_reg_stall): Remove.
2153         (enum ix86_tune_indices): New.
2154         (ix86_tune_features): New.
2155         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2156         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2157         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2158         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2159         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2160         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2161         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2162         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2163         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2164         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2165         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2166         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2167         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2168         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2169         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2170         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2171         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2172         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2173         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2174         TARGET_EXT_80387_CONSTANTS): Use it.
2175         (enum ix86_arch_indices): New.
2176         (ix86_arch_features): New.
2177         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2178         TARGET_BSWAP): Use it.
2179         (ix86_tune_mask, ix86_arch_mask): Remove.
2180
2181 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2182
2183         PR bootstrap/31020
2184         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2185         Define using $${sysroot_headers_suffix}.
2186         * configure: Regenerate.
2187         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2188         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2189         defined.
2190         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2191         * gcc.c (print_sysroot_headers_suffix): New.
2192         (option_map): Include --print-sysroot-headers-suffix.
2193         (display_help): Mention -print-sysroot-headers-suffix.
2194         (process_command): Handle -print-sysroot-headers-suffix.
2195         (do_spec_1): Append multilib directory to include-fixed path if
2196         sysroot suffixes in use.
2197         (main): Handle -print-sysroot-headers-suffix.
2198         * Makefile.in (start.encap): Don't depend on xlimits.h
2199         (xlimits.h): Remove.
2200         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2201         limits.h for each multilib in fixinc_list.
2202         (fixinc_list, s-fixinc_list): New.
2203         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2204         generate them for each multilib in fixinc_list.
2205         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2206         multilib in fixinc_list.
2207         (mostlyclean): Don't remove xlimits.h.
2208         (clean): Remove include-fixed.
2209         (real-install-headers-tar, real-install-headers-cpio,
2210         real-install-headers-cp): Don't copy include, only include-fixed.
2211         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2212         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2213         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2214         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2215
2216 2007-03-06  Jan Hubicka  <jh@suse.cz>
2217
2218         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2219         NANs easilly.
2220
2221 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2222
2223         * configure.ac: Allow tm_file to contain build-directory files.
2224         * configure: Regenerate.
2225         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2226         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2227         * config/m68k/print-sysroot-suffix.sh: New file.
2228
2229 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2230
2231         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2232         of pic_offset_table_rtx if reload_completed.
2233         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2234         PIC_OFFSET_TABLE_REGNUM.
2235         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2236         return true.
2237         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2238         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2239
2240 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2241
2242         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2243         functions that call eh_return.
2244
2245 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2246
2247         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2248         functions that need a constant pool.
2249
2250 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2251
2252         PR target/28181
2253         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2254         (m68k_preferred_reload_class): Likewise.
2255         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2256         (SECONDARY_RELOAD_CLASS): Define.
2257         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2258         (LIMIT_RELOAD_CLASS): Delete.
2259         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2260         registers from storing bytes.
2261         (m68k_secondary_reload_class): New function.
2262         (m68k_preferred_reload_class): Likewise.
2263
2264 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2265
2266         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2267         leaf functions.
2268         (m68k_expand_prologue): Likewise.
2269
2270 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2271
2272         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2273         (mips_expand_epilogue): Add a bool parameter.
2274         (m68k_legitimize_sibcall_address): Declare.
2275         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2276         (m68k_expand_epilogue): Add a parameter to select between sibling
2277         and normal epilogues.  Only generate a return for the latter.
2278         (m68k_ok_for_sibcall_p): New function.
2279         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2280         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2281         (sibcall_value, *sibcall_value): Likewise.
2282         (*call, *call_value): Require !SIBLING_CALL_P.
2283         (epilogue): Update call to m68k_expand_epilogue.
2284         (sibcall_epilogue): New pattern.
2285         * config/m68k/predicates.md (const_call_operand): Say that this
2286         predicate applies to sibling calls too.
2287         (sibcall_operand): New predicate.
2288
2289 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2290
2291         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2292         alternatives as movsi_cf.
2293         (movsf_cf_hard): Add commentary.
2294
2295 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2296             Richard Sandiford  <richard@codesourcery.com>
2297
2298         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2299         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2300         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2301         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2302         as being live on exit from an interrupt function.
2303         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2304         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2305         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2306         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2307         (m68k_interrupt_function_p): Globalize.
2308         (m68k_compute_frame_layout): Remove reverse mask code.
2309         (m68k_emit_movem, m68k_set_frame_related): New functions.
2310         (m68k_output_function_prologue): Delete in favor of...
2311         (m68k_expand_prologue): ...this new function.
2312         (m68k_output_function_epilogue): Delete in favor of...
2313         (m68k_expand_epilogue): ...this new function.
2314         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2315         functions.
2316         (print_operand): Handle %?.
2317         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2318         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2319         (prologue, epilogue): New patterns.
2320         (return): Turn into a define_expand.
2321         (*return): New pattern, derived from old "return" pattern.  Use rte
2322         rather than rts for interrupt functions.  Only use rtd if the pop
2323         count is nonzero.
2324         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2325         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2326         (link, *link, unlink, *unlink, load_got): Likewise.
2327
2328 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2329
2330         PR target/23482
2331         PR target/17114
2332         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2333         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2334         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2335         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2336         and m68k_matches_u_p.
2337         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2338         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2339         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2340         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2341         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2342         (REG_STRICT_P): New macro.
2343         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2344         PCREL_GENERAL_OPERAND_OK.
2345         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2346         m68k_legitimate_base_reg_p.
2347         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2348         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2349         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2350         * config/m68k/m68k.c (m68k_address): New structure.
2351         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2352         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2353         (m68k_jump_table_ref_p, m68k_decompose_address)
2354         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2355         (m68k_matches_u_p): New functions.
2356         (print_operand_address): Rewrite to use m68k_decompose_index.
2357
2358 2007-03-05  David Taylor  <dtaylor@emc.com>
2359
2360         * gcc.c: Correct copyright date in --version output.
2361
2362 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2363
2364         * pa.md: In unamed move patterns, disparge copies between general
2365         and floating point registers using '?' modifier.  Don't include 'f'
2366         constraint for register preferences in DImode, SImode, HImode and
2367         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2368         Remove constraints for copies between general and floating registers
2369         in soft-float DFmode pattern.
2370         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2371         floating register.
2372         (movsf): Likewise.
2373
2374 2007-03-05  Mike Stump  <mrs@apple.com>
2375
2376         * c-common.c (targetcm): Add.
2377         * c-opts.c (c_common_handle_option): Handle language specific
2378         target options.
2379         * opts.c (handle_option): Verify language for target options, if
2380         any are given.
2381         * opth-gen.awk: Add CL_LANG_ALL.
2382         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2383         (TARGETCM_INITIALIZER): Add.
2384         * target.h (struct gcc_targetcm): Add.
2385         (targetcm): Add.
2386         * targhooks.c (default_handle_c_option): Add.
2387         * targhooks.h (default_handle_c_option): Add.
2388         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2389
2390         * config/darwin.opt (iframework): Add.
2391         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2392         * config/darwin-c.c (handle_c_option): Add.
2393         (TARGET_HANDLE_C_OPTION): Add.
2394         (targetcm): Add.
2395         * doc/invoke.texi (Darwin Options): Add -iframework.
2396
2397 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2398
2399         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2400         conversion.
2401
2402 2007-03-05  Ian Lance Taylor  <iant@google.com>
2403
2404         * c.opt (fgnu89-inline): New option.
2405         * c-opts.c (c_common_post_options): Set default value for
2406         flag_gnu89_inline.
2407         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2408         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2409         inline functions.
2410         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2411         (grokdeclarator, start_function): Likewise.
2412         * c-cppbuiltin.c (c_cpp_builtins): Define either
2413         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2414         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2415         (C Dialect Options): Document -fgnu89-inline.
2416         * doc/extend.texi (Function Attributes): Explain what the
2417         gnu_inline attribute does.
2418         * doc/cpp.texi (Common Predefined Macros): Document
2419         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2420
2421 2007-03-05  Ian Lance Taylor  <iant@google.com>
2422
2423         PR tree-optimization/31034
2424         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2425         half-range if the other side is an overflow infinity.
2426
2427 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2428
2429         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2430         (bfin*-linux-uclibc*): New configuration.
2431         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2432         defining.
2433         * config/bfin/linux.h: New file.
2434         * config/bfin/libgcc-bfin.ver: New file.
2435         * config/bfin/t-bfin-uclinux: New file.
2436         * config/bfin/t-bfin-linux: New file.
2437         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2438         (TARGET_OS_CPP_BUILTINS): New macro.
2439
2440 2007-03-05  Richard Guenther  <rguenther@suse.de>
2441
2442         * fold-const.c (fold_binary): Remove duplicate folding
2443         of comparison of non-null ADDR_EXPR against null.
2444
2445 2007-03-05  Richard Guenther  <rguenther@suse.de>
2446             Dorit Nuzman  <dorit@il.ibm.com>
2447
2448         PR tree-optimization/26420
2449         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2450         are no loops in the function.  Only print the number of
2451         vectorized loops if it is greater than zero or we are supposed
2452         to print information about unvectorized loops.
2453
2454 2007-03-05  Revital Eres  <eres@il.ibm.com>
2455
2456         * gcc.dg/var-expand1.c: New test.
2457         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2458         when an accumulator is expanded.
2459
2460 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2461
2462         PR other/30465
2463         * c-common.c (convert_and_check): Don't give warnings for
2464         conversion if 'expr' already overflowed.
2465
2466 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2467
2468         PR middle-end/30744
2469         * fold-const.c (fold_comparison): Enforce type consistency when
2470         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2471
2472 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2473
2474         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2475         containing a cast to the base of TARGET_MEM_REF.
2476
2477 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2478
2479         * tree.c (tree_contains_struct_check_failed): Remove spurious
2480         whitespace from error message.
2481
2482 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2483
2484         PR target/30406
2485         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2486         instead of precision.
2487
2488 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2489             Nathan Sidwell  <nathan@codesourcery.com>
2490
2491         * emit-rtl.c (find_auto_inc): New.
2492         (try_split): recreate REG_INC notes,
2493         Use regular for loops rather than whiles.
2494
2495 2007-03-03  Andreas Schwab  <schwab@suse.de>
2496
2497         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2498         * configure: Regenerate.
2499
2500 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2501
2502         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2503         flag_rounding_math, not flag_unsafe_math_optimizations.
2504
2505         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2506         fold_build2.
2507         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2508         alpha_fold_vector_minmax): Likewise.
2509         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2510         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2511
2512 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2513
2514         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2515         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2516         if the lhs has side-effects.
2517         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2518
2519 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2520
2521         * config/i386/i386.h (TUNEMASK): Remove define.
2522         (ARCHMASK): Remove define.
2523         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2524          Use ix86_arch_mask variable instead of ARCHMASK.
2525         * config/i386/i386.c (override_options): Ditto.
2526         (standard_80387_constant_p): Ditto.
2527
2528 2007-03-02  Ian Lance Taylor  <iant@google.com>
2529
2530         Used signed infinities in VRP.
2531         * tree-vrp.c (uses_overflow_infinity): New static function.
2532         (supports_overflow_infinity): New static function.
2533         (make_overflow_infinity): New static function.
2534         (negative_overflow_infinity): New static function.
2535         (positive_overflow_infinity): New static function.
2536         (is_negative_overflow_infinity): New static function.
2537         (is_positive_overflow_infinity): New static function.
2538         (is_overflow_infinity): New static function.
2539         (overflow_infinity_range_p): New static function.
2540         (compare_values_warnv): New function split out of compare_values.
2541         (compare_value): Call it.
2542         (set_value_range_to_nonnegative): Add overflow_infinity
2543         parameter.  Change caller.
2544         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2545         Change callers.
2546         (vrp_expr_computes_nonzero): Likewise.
2547         (compare_ranges, compare_range_with_value): Likewise.
2548         (compare_name_with_value, compare_names): Likewise.
2549         (vrp_evaluate_conditional): Likewise.
2550         (set_value_range): Handle infinity
2551         (vrp_operand_equal_p, operand_less_p): Likewise.
2552         (extract_range_from_assert): Likewise.
2553         (vrp_int_const_binop): Likewise.
2554         (extract_range_from_binary_expr): Likewise.
2555         (extract_range_from_unary_expr): Likewise.
2556         (extract_range_from_comparison): Likewise.
2557         (extract_range_from_expr): Likewise.
2558         (dump_value_range): Likewise.
2559         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2560         (test_for_singularity): Likewise.
2561         (vrp_int_const_binop): Remove inline qualifier.
2562         (adjust_range_with_scev): Add comment.
2563         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2564
2565 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2566
2567         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2568         (get_constraint_for): Likewise.
2569         (do_structure_copy): Likewise.
2570         (find_func_aliases): Fix references to MODIFY_EXPR.
2571         (intra_create_variable_infos): Tidy.
2572         * tree-ssa-operands.c (add_virtual_operand): Add argument
2573         IS_CALL_SITE.
2574         When adding members of alias sets, if IS_CALL_SITE is true and
2575         the symbol is not call-clobbered, skip it.
2576         Adjust all callers.
2577
2578 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2579
2580         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2581         entry by means of emit_insn_at_entry.
2582
2583 2007-03-02  Richard Henderson  <rth@redhat.com>
2584
2585         * expr.h (promoted_input_arg): Remove decl.
2586         * function.c (promoted_input_arg): Merge into ...
2587         * combine.c (setup_incoming_promotions): ... only caller.
2588         Rearrange to avoid double loop.
2589
2590 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2591             Peter Bergner  <bergner@vnet.ibm.com>
2592             Janis Johnson  <janis187@us.ibm.com>
2593
2594         * config/rs6000/dfp.md: New file.
2595         * config/rs6000/rs6000.md: Include dfp.md.
2596         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2597         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2598         and TDmode decimal float modes in FP registers.
2599         (num_insns_constant): Likewise.
2600         (rs6000_legitimate_offset_address_p): Likewise.
2601         (rs6000_legitimize_address): Likewise.
2602         (rs6000_legitimize_reload_address): Likewise.
2603         (rs6000_legitimate_address): Likewise.
2604         (rs6000_emit_move): Likewise.
2605         (function_arg_boundary): Likewise.
2606         (function_arg_advance): Likewise.
2607         (rs6000_darwin64_record_arg_recurse): Likewise.
2608         (function_arg): Likewise.
2609         (rs6000_gimplify_va_arg): Likewise.
2610         (rs6000_split_multireg_move): Likewise.
2611         (rs6000_output_function_epilogue): Likewise.
2612         (rs6000_output_function_epilogue): Likewise.
2613         (rs6000_register_move_cost): Likewise.
2614         (rs6000_function_value): Likewise.
2615         (rs6000_libcall_value): Likewise.
2616
2617 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2618
2619         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2620
2621 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2622
2623         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2624         Use $MULTIDIR to choose between the kernel and RTP headers,
2625         and use $WIND_BASE and $WIND_USR to locate them.
2626
2627 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2628
2629         * config/i386/i386.c (override_options): Put initialization of
2630         ix86_tune_mask and ix86_arch_mask to the correct place.
2631
2632 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2633             Michael Meissner  <michael.meissner@amd.com>
2634
2635         PR target/31019
2636         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2637         (ARCHMASK): Define.
2638         (TARGET_CMOVE): Use ARCHMASK.
2639         (TARGET_CMPXCHG): Ditto.
2640         (TARGET_CMPXCHG8B): Ditto.
2641         (TARGET_XADD): Ditto.
2642         (TARGET_BSWAP): Ditto.
2643         * config/i386/i386.c (ix86_tune_mask): New global variable.
2644         (ix86_arch_mask): Ditto.
2645         (override_options): Initialize ix86_tune_mask and
2646         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2647         target_flags.
2648
2649 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2650
2651         PR 30992
2652         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2653
2654 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2655
2656         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2657         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2658         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2659         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2660         hook.
2661         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2662         rs6000_init_dwarf_reg_sizes_extra): New.
2663         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2664         SPE register high parts.
2665
2666 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2667
2668         * Makefile.in: Add install-pdf target as
2669         copied from automake v1.10 rules.
2670         * configure.ac: Add install-pdf to target list.
2671         * configure: Regenerate.
2672
2673 2007-03-01  Paul Brook  <paul@codesourcery.com>
2674
2675         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2676         modes to LDRD for DImode.
2677         (output_move_double): Fixup out of range ldrd/strd.
2678         (vfp_secondary_reload_class): Rename...
2679         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2680         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2681         coproc_secondary_reload_class for CLASS_IWMMXT.
2682         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2683         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2684
2685 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2686
2687         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2688         factor by the estimated number of iterations.
2689         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2690         prefetch latency.
2691
2692         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2693         decode_caches_intel, detect_caches_intel): New functions.
2694         (host_detect_local_cpu): Use detect_caches_amd and
2695         detect_caches_intel.
2696
2697 2007-03-01  Richard Henderson  <rth@redhat.com>
2698
2699         * expr.c (emit_move_complex_push): Export.
2700         (emit_move_complex_parts): Split out from ...
2701         (emit_move_complex): ... here.
2702         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2703         * config/i386/i386.md (movcdi): New.
2704
2705 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2706
2707         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2708         size of mode1 to check for tieable modes in MMX case.
2709
2710 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2711
2712         * Makefile.in (rtlanal.o): Depend on tree.h.
2713         * rtl.h (offset_within_section_p, split_const): Declare.
2714         * rtlanal.c: Include tree.h.
2715         (offset_within_block_p): New function, taken from
2716         mips_offset_within_object_p.
2717         (split_const): New function, taken from mips_split_const.
2718         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2719         Declare.
2720         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2721         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2722         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2723         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2724         (m68k_illegitimate_symbolic_constant_p): New function.
2725         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2726         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2727         symbolic constant that might be outside the symbol's section,
2728         move the symbol first and then add the offset.
2729         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2730         Override.
2731         * config/mips/mips.c (mips_split_const): Delete.
2732         (mips_offset_within_object_p): Delete.
2733         (mips_symbolic_constant_p): Use offset_within_section_p and
2734         split_const instead of mips_offset_within_object_p and
2735         mips_split_const.
2736         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2737         (mips_legitimize_const_move, print_operand_reloc)
2738         (mips_dangerous_for_la25_p): Use split_const instead of
2739         mips_split_const.
2740
2741 2007-02-28  Eric Christopher  <echristo@apple.com>
2742
2743         * Makefile.in (install-include-dir): Don't rm -rf include.
2744
2745 2007-02-28  Richard Guenther  <rguenther@suse.de>
2746
2747         PR middle-end/30364
2748         * fold-const.c (fold_binary): Do not associate expressions
2749         with more than one variable for integer types that do not wrap.
2750
2751 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2752
2753         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2754         Delete, and replace with...
2755         (fold_builtin_call_array): This.  Update callers to use it.
2756         * fold-const.c (fold_build_call_list): Delete, and replace with...
2757         (fold_build_call_array): This.
2758         (fold_build_call_list_initializer): Delete, and replace with...
2759         (fold_build_call_array_initializer): This.
2760         * tree.h: Update declarations to reflect above changes.
2761
2762         * c-typeck.c (build_function_call): Store converted arguments
2763         in a stack-allocated array instead of building a list.
2764         (convert_arguments): Store arguments in the array passed in as an
2765         argument, and return the actual number of arguments.
2766         * c-format.c: (check_function_format): Pass arguments in an
2767         array instead of a list.
2768         * c-common.c (check_function_nonnull): Likewise.
2769         (check_function_sentinel): Likewise.
2770         (check_function_arguments): Likewise.
2771         * c-common.h: Update declarations to reflect above changes.
2772
2773 2007-02-28  Jan Hubicka  <jh@suse.cz>
2774
2775         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2776         PRED_NEGATIVE_RETURN): Update outcomes.
2777
2778 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2779
2780         * calls.c (emit_library_call_value_1): Handle partial registers
2781         correctly when building up CALL_INSN_FUNCTION_USAGE.
2782
2783 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2784
2785         * pa/predicates.md (move_src_operand): Allow zero for mode.
2786         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2787         move pattern.
2788
2789 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2790
2791         PR target/30970
2792         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2793         *movv2df_internal): Enable pattern only for valid operand
2794         combinations.
2795         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2796         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2797
2798 2007-02-27  Mike Stump  <mrs@apple.com>
2799
2800         * config/darwin-crt3.c: Avoid compilation when compiling for a
2801         kext multilib.
2802
2803 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2804
2805         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2806         FIXED_INCLUDE_DIR.
2807         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2808         for fixed headers and limits.h.
2809         (install-include-dir, install-headers-tar, install-headers-cpio,
2810         install-headers-cp, real-install-headers-tar,
2811         real-install-headers-cpio, real-install-headers-cp): Handle
2812         include-fixed as well as include.
2813         (install-mkheaders): Don't install files that go only in include
2814         not include-fixed.
2815         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2816         from GCC_INCLUDE_DIR.
2817         * gcc.c (process_command): Remove special -BstageN/ handling.
2818         (do_spec_1): Add include-fixed directories.
2819
2820 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2821
2822         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2823         _smulsi3_highpart.
2824         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2825         New functions.
2826         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2827         patterns.
2828
2829 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2830
2831         * c-common.c (get_priority): Add check for
2832         SUPPORTS_INIT_PRIORITY.
2833
2834 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2835
2836         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2837
2838         * config/bfin/bfin.c: Include "cfglayout.h".
2839         (MAX_LSETUP_DISTANCE): New macro.
2840         (struct loop_info): New members incoming, incoming_src and
2841         incoming_dest.  Delete member predecessor.
2842         (length_for_loop): New function.
2843         (bfin_optimize_loop): Handle more different loop structures.
2844         (bfin_discover_loop): Rework detection of predecessor blocks by
2845         examining incoming edges.
2846         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2847         bfin_reorg_loops.
2848         (bfin_reorder_loops): New function.
2849         (bfin_reorg_loops): Use these three new functions.
2850
2851         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2852         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2853         (CONSTRAINT_LEN): Add entry for 'q'.
2854         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2855         Add 'q' constraints.
2856         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2857         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2858
2859         * config/bfin/bfin.md (add_with_carry): New pattern.
2860         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2861         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2862         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2863         support unsigned multiplies too.  Removed incorrect commutativity from
2864         operand 1 constraint where appropriate.
2865         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2866         patterns.
2867         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2868         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2869         New patterns.
2870         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2871         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2872         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2873         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2874         usmulhisi_hh_huh): New patterns.
2875
2876         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2877         lshifthi3): Fix output template to use half reg for operand 2.
2878
2879         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2880         instead of R2.
2881
2882         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2883
2884 2007-02-27  Andreas Schwab  <schwab@suse.de>
2885
2886         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2887
2888 2007-02-27  Jan Hubicka  <jh@suse.cz>
2889
2890         * predict.c (last_basic_block_p): Remove.
2891         (tree_estimate_probability): Update return heuristic for commonized
2892         return blocks.
2893
2894 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2895
2896         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2897
2898 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2899
2900         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2901         * doc/cpp.texi: Standardize title page.
2902         * doc/cppinternals.texi: Likewise.
2903         * doc/gcc.texi: Standardize title page, remove version number
2904         from copyright page.
2905         * doc/gccint.texi: Likewise.
2906         * doc/install.texi: Standardize title page, add table of
2907         contents.
2908
2909 2007-02-26  Jan Hubicka  <jh@suse.cz>
2910
2911         * predict.def: Set outcomes according to more recent results.
2912         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2913         Remove dead predictors.
2914         * predict.c (return_prediction): Fix pasto.
2915
2916 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2917
2918         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2919         change; avoid a memory leak when returning early.
2920
2921 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2922
2923         * c-decl.c (static_ctors): Move to c-common.c.
2924         (static_dtors): Likewise.
2925         (finish_function): Use c_record_cdtor_fn.
2926         (build_cdtor): Move to c-common.c.
2927         (c_write_global_declarations): Use c_build_cdtor_fns.
2928         * c-common.h (static_ctors): Declare.
2929         (static_dtors): Likewise.
2930         (c_record_cdtor_fn): Likewise.
2931         (c_build_cdtor_fns): Likewise.
2932         * c-common.c (static_ctors): New variable.
2933         (static_dtors): Likewise.
2934         (c_record_cdtor_fn): New function.
2935         (build_cdtor): Move from c-decl.c
2936         (c_build_cdtor_fns): New function.
2937
2938         * output.h (assemble_addr_to_section): Declare.
2939         (get_cdtor_priority_section): Likewise.
2940         * varasm.c (assemble_addr_to_section): New function.
2941         (get_cdtor_priority_section): Likewise.
2942         (default_named_section_asm_out_destructor): Use them.
2943         (destor_dtor_section_asm_out_destructor): Likewise.
2944         (default_named_section_asm_out_constructor): Likewise.
2945         (default_ctor_section_asm_out_constructor): Likewise.
2946         * config.gcc (*-*-vxworks*): Include vxworks.o.
2947         * config/t-vxworks (vxworks.o): New target.
2948         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2949         (TARGET_ASM_CONSTRUCTOR): Define.
2950         (TARGET_ASM_DESTRUCTOR): Likewise.
2951         (vxworks_asm_out_constructor): Declare.
2952         (vxworks_asm_out_destructor): Likewise.
2953
2954         * c-common.c (get_priority): Check that we have not just an
2955         INTEGER_CST, but an integer constant with integeral type.
2956
2957 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2958
2959         PR tree-optimization/30938
2960         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2961         use &dt[nargs-1] instead of &dt[nargs] in the call to
2962         vect_is_simple_use().
2963
2964 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2965
2966         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2967         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2968         Do not attempt to handle MEM inside auto-inc expressions.
2969         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2970         of a register modified by an auto-inc expression.  However, do handle
2971         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2972         (elimination_effects): Prohibit elimination of a register modified
2973         by an auto-inc expression.  Disable register elimination rules whose
2974         target register is modified by an auto-inc expression with variable
2975         increment.
2976
2977 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2978
2979         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2980         off-by-one error.
2981         (array_at_struct_end_p): New function.
2982         (idx_infer_loop_bounds): Use it.
2983         (estimate_numbers_of_iterations_loop): Export.
2984         * predict.c (predict_loops): Use estimated_loop_iterations_int.
2985         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2986         (tree_estimate_probability): Call record_loop_exits.
2987         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2988         (estimated_loop_iterations, estimated_loop_iterations_int,
2989         estimated_loop_iterations_tree): New functions.
2990         (analyze_siv_subscript_cst_affine,
2991         compute_overlap_steps_for_affine_1_2,
2992         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2993         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2994         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2995         (PRED_LOOP_ITERATIONS_GUESSED): New.
2996         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2997         * cfgloop.h (estimate_numbers_of_iterations_loop,
2998         estimated_loop_iterations_int): Declare.
2999
3000 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3001
3002         * doc/extend.texi: Document optional priority argument to
3003         constructors and destructors.
3004         * tree.c (init_priority_for_decl): Adjust GTY markers.
3005         (init_ttree): Use priority-info hash functions for
3006         init_priority_for_decl.
3007         (tree_map_eq): Rename to ...
3008         (tree_map_base_eq): ... this.
3009         (tree_map_marked_p): Rename to ...
3010         (tree_map_base_marked_p): ... this.
3011         (tree_map_base_hash): New function.
3012         (decl_init_priority_lookup): Rework.
3013         (decl_fini_priority_lookup): New function.
3014         (decl_priority_info): New function.
3015         (decl_init_priority_insert): Use it.
3016         (decl_fini_priority_insert): Likewise.
3017         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3018         hierarchy.
3019         (decl_restrict_base_insert): Likewise.
3020         (decl_debug_expr_insert): Likewise.
3021         (decl_value_expr_lookup): Likewise.
3022         (decl_value_expr_insert): Likewise.
3023         * tree.h (priority_type): New type.
3024         (decl_init_priority_lookup): Use priority_type.
3025         (decl_fini_priority_lookup): New function.
3026         (decl_init_priority_insert): Use priority_type.
3027         (decl_fini_priority_insert): New function.
3028         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3029         (DECL_INIT_PRIORITY): Likewise.
3030         (SET_DECL_INIT_PRIORITY): Add comment.
3031         (DECL_FINI_PRIORITY): New macro.
3032         (SET_DECL_FINI_PRIORITY): Likewise.
3033         (DEFAULT_INIT_PRIORITY): Document.
3034         (MAX_INIT_PRIORITY): Likewise.
3035         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3036         (tree_map_base): New type.
3037         (tree_map_base_eq): New function.
3038         (tree_map_base_hash): Likewise.
3039         (tree_map_base_marked_p): Likewise.
3040         (tree_map): Inherit from tree_map_base.
3041         (tree_map_eq): Make it a macro.
3042         (tree_map_marked_p): Likewise.
3043         (tree_int_map): Inherit from tree_map_base.
3044         (tree_int_map_eq): Make it a macro.
3045         (tree_int_map_hash): Likewise.
3046         (tree_int_map_marked_p): Likewise.
3047         (tree_priority_map): New type.
3048         (tree_priority_map_eq): New macro.
3049         (tree_priority_map_hash): Likewise.
3050         (tree_priority_map_marked_p): Likewise.
3051         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3052         hierarchy.
3053         (emutls_common_1): Likewise.
3054         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3055         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3056         of tree_map hierarchy.
3057         * tree-cfg.c (move_stmt_r): Likewise.
3058         (new_label_mapper): Likewise.
3059         * c-tree.h (c_expand_body): Move to ...
3060         * c-common.h (c_expand_body): ... here.
3061         * c-decl.c (c_expand_body): Move to ...
3062         * c-common.c (c_expand_body): ... here.
3063         (c_common_attribute_table): Allow 1 argument for the constructor
3064         and destructor attributes.
3065         (get_priority): New function.
3066         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3067         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3068
3069 2007-02-24  Jan Hubicka  <jh@suse.cz>
3070
3071         PR middle-end/30509
3072         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3073
3074 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3075             Jan Hubicka  <jh@suse.cz>
3076
3077         PR target/30778
3078         * i386.c (counter_mode): New function.
3079         (expand_set_or_movmem_via_loop): Use it.
3080         (expand_movmem_epilogue): Likewise; fix pasto.
3081         (ix86_expand_movmem): Do emit guard even for constant counts.
3082         (ix86_expand_setmem): Likewise.
3083
3084 2007-02-25  Nick Clifton  <nickc@redhat.com>
3085
3086         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3087         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3088
3089 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3090
3091         PR target/30770
3092         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3093         count argument with 0x10, not with 0x16.
3094         (expand_setmem_epilogue): Ditto.
3095
3096 2007-02-24  Mike Stump  <mrs@apple.com>
3097
3098         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3099         symbols.
3100
3101 2007-02-24  Richard Guenther  <rguenther@suse.de>
3102
3103         PR middle-end/30951
3104         * fold-const.c (fold_binary): Fold x +- CST op x for
3105         EQ_EXPR and NE_EXPR.
3106
3107 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3108
3109         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3110
3111 2007-02-24  Jan Hubicka  <jh@suse.cz>
3112
3113         * cgraphunit.c (decide_is_function_needed): Honor
3114         -fkeep-inline-functions.
3115
3116 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3117
3118         * builtins.c (fold_builtin_modf): New.
3119         (fold_builtin_2): Use it.
3120
3121 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3122
3123         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3124         (determine_max_iter): Take additional LOOP arg; all callers changed.
3125         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3126         one using simplifications.
3127         (simplify_using_initial_values): Return if the expression becomes
3128         invalid due to altered regs.
3129
3130 2007-02-23  DJ Delorie  <dj@redhat.com>
3131
3132         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3133
3134 2007-02-23  Mike Stump  <mrs@apple.com>
3135
3136         * tlink.c (scan_linker_output): Parse linker messages from
3137         darwin9's linker better.
3138
3139 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3140
3141         PR debug/29614
3142         * varpool.c (varpool_assemble_pending_decls):  Set
3143         varpool_last_needed_node to null.
3144
3145 2007-02-23  DJ Delorie  <dj@redhat.com>
3146
3147         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3148         alignment bigger than the object file can handle.
3149
3150 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3151
3152         PR target/30825
3153         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3154         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3155         (*movsf_1): Penalize MMX moves.
3156
3157 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3158
3159         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3160         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3161
3162         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3163
3164 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3165
3166         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3167         (fold_builtin_1): Use them.
3168         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3169         BUILT_IN_SIGNIFICAND.
3170
3171 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3172
3173         * config/i386/i386.c (bdesc_1arg): Initialize
3174         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3175         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3176         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3177         and IX86_BUILTIN_MOVSLDUP.
3178
3179 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3180
3181         PR rtl-optimization/30841
3182         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3183
3184 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3185
3186         * builtins.c (fold_builtin_frexp): New.
3187         (fold_builtin_2): Use it.
3188
3189 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3190
3191         * doc/invoke.texi (Spec Files): Document getenv spec function.
3192
3193         * gcc.c (getenv_spec_function): New function.
3194         (static_spec_functions): Add it.
3195         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3196         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3197         header files.
3198
3199 2007-02-22  Michael Matz  <matz@suse.de
3200
3201         PR c++/29433
3202         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3203         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3204
3205 2007-02-22  Ian Lance Taylor  <iant@google.com>
3206
3207         PR debug/30898
3208         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3209         (mem_loc_descriptor): Call it.
3210
3211 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3212             Ira Rosen  <irar@il.ibm.com>
3213
3214         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3215
3216 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3217
3218         PR tree-optimization/30843
3219         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3220         stores only after all the group is vectorized.
3221
3222 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3223
3224         PR tree-optimization/30858
3225         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3226         in the reduction cycle have a single use in the loop.
3227         * tree-vectorizer.h (relevant): Add documentation.
3228
3229 2007-02-20  Mike Stump  <mrs@apple.com>
3230
3231         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3232         * configure: Regenerate.
3233
3234 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3235
3236         Change the defaults of some parameters and options.
3237         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3238         * config/spu/spu.c (spu_optimization_options): Add.
3239         (spu_override_options): Change params in spu_optimization_options.
3240         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3241
3242         Register 127 is only 16 byte aligned when used as a frame pointer.
3243         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3244         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3245         HARD_FRAME_POINTER_REGNUM.
3246         (spu_legitimate_address):  Use regno_aligned_for_reload.
3247         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3248         aligned when frame_pointer_needed is true.
3249         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3250         to 8 bits.
3251         * config/spu/spu.h (INIT_EXPANDERS): Define.
3252
3253         Make sure shift and rotate instructions have valid immediate operands.
3254         * config/spu/predicates.md (spu_shift_operand): Remove.
3255         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3256         * config/spu/constraints.md (W, O): Extend range.
3257         * config/spu/spu.md (umask, nmask): Define.
3258         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3259         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3260         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3261         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3262         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3263         (lshr<mode>3_reg):  Fix rtl description.
3264
3265         Make sure mulhisi immediate operands are valid.
3266         * config/spu/predicates.md (imm_K_operand): Add.
3267         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3268
3269         Generate constants using fsmbi and andi.
3270         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3271         (print_operand, spu_split_immediate, classify_immediate,
3272         fsmbi_const_p): Handle IC_FSMBI2.
3273
3274         Correctly handle a CONST_VECTOR containing symbols.
3275         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3276         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3277         (immediate_load_p): Allow symbols that use 2 instructions to create.
3278         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3279         with symbols when flag_pic is set.
3280         (const_vector_immediate_p): New.
3281         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3282         accept a CONST_VECTOR with symbols.
3283         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3284         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3285         correctly.
3286         * config/spu/spu.md (high, low): Delete.
3287         (low_<mode>): Define.
3288
3289         Remove INTRmode and INTR_REGNUM, which didn't work.
3290         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3291         of INTR_REGNUM.
3292         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3293         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3294         peephole2 pattern): Don't use INTR or 131.
3295         (movintrcc): Delete.
3296         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3297         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3298         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3299         (UNSPEC_SET_INTR): Add.
3300         * config/spu/spu-modes.def (INTR): Remove.
3301
3302         More accurate warnings about run-time relocations.
3303         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3304
3305         Correctly warn about immediate arguments to specific intrinsics.
3306         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3307         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3308         the instruction predicate.
3309
3310         Fix tree check errors with latest update.
3311         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3312         CALL_EXPR_ARG.
3313         (spu_expand_builtin): Use CALL_EXPR_FN.
3314
3315         Add missing specific intrinsics.
3316         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3317         si_bislede.
3318         * config/spu/spu_internals.h: Ditto.
3319
3320         Fix incorrect operand modifiers.
3321         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3322         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3323
3324         Optimize one case of zero_extend of a vec_select.
3325         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3326
3327         Accept any immediate for hbr.
3328         * config/spu/spu.md (hbr):  Change s constraints to i.
3329
3330 2007-02-21  Paul Brook  <paul@codesourcery.com>
3331
3332         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3333         condexec_count when skipping USE and CLOBBER.
3334
3335 2007-02-21  Nick Clifton  <nickc@redhat.com>
3336
3337         * common.opt (Warray-bounds): Add Warning attribute.
3338         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3339         Likewise.
3340         (fsized-zeroes): Add Optimization attribute.
3341         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3342         * c.opt (Wc++0x-compat): Add Warning attribute.
3343
3344 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3345
3346         PR middle-end/30761
3347         * reload1.c (eliminate_regs_in_insn): In the single_set special
3348         case, attempt to re-recognize the insn before falling back to
3349         having reload fix it up.
3350
3351 2007-02-20  Eric Christopher  <echristo@gmail.com>
3352
3353         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3354         Rewrite accordingly.
3355         (frv_read_iacc_argument): Ditto.
3356         (frv_expand_set_builtin): Take a call instead of arglist, update for
3357         above changes.
3358         (frv_expand_unop_builtin): Ditto.
3359         (frv_expand_binop_builtin): Ditto.
3360         (frv_expand_cut_builtin): Ditto.
3361         (frv_expand_binopimm_builtin): Ditto.
3362         (frv_expand_voidbinop_builtin): Ditto.
3363         (frv_expand_int_void2arg): Ditto.
3364         (frv_expand_prefetches): Ditto.
3365         (frv_expand_voidtriop_builtin): Ditto.
3366         (frv_expand_voidaccop_builtin): Ditto.
3367         (frv_expand_load_builtin): Ditto.
3368         (frv_expand_store_builtin): Ditto.
3369         (frv_expand_mdpackh_builtin): Ditto.
3370         (frv_expand_mclracc_builtin): Ditto.
3371         (frv_expand_mrdacc_builtin): Ditto.
3372         (frv_expand_mwtacc_builtin): Ditto.
3373         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3374         calls for above.
3375
3376 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3377
3378         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3379         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3380         cmpb instruction.
3381         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3382         point instructions.
3383         * configure: Regenerate.
3384         * config.in: Regenerate.
3385         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3386         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3387         masks to power6 and power6x and to POWERPC_MASKS.
3388         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3389         _ARCH_PWR6.
3390         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3391         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3392         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3393         Access PROTOTYPE as variable, not mask.
3394
3395 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3396
3397         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3398         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3399         * combine.c (adjust_for_new_dest): Use it.
3400         * postreload.c (reload_combine): Likewise.
3401
3402 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3403
3404         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3405         notes on an insn with multiple sets, even if single_set returns
3406         non-NULL for that insn.
3407
3408 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3409
3410         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3411         scalbn and scalbln.
3412
3413 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3414
3415         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3416         if user didn't pass it.
3417         * config/i386/darwin.h (CC1_SPEC): Likewise.
3418         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3419         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3420         -mmacosx-version-min.
3421
3422 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3423             Uros Bizjak  <ubizjak@gmail.com>
3424
3425         * optabs.h (enum optab_index): Add new OTI_scalb.
3426         (scalb_optab): Define corresponding macro.
3427         * optabs.c (init_optabs): Initialize scalb_optab.
3428         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3429         patterns.
3430         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3431         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3432         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3433         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3434         flag_unsafe_math_optimizations is set.
3435
3436         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3437         to implement scalbf, scalb and scalbl built-ins as inline x87
3438         intrinsics.
3439
3440 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3441             DJ Delorie <dj@redhat.com>
3442
3443         PR other/30824
3444         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3445         (diagnostic_report_diagnostic): ... here, and turn them into real
3446         errors. If warnings are inhibited, no need to do anything.
3447
3448 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3449
3450         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3451         better code generation.
3452
3453 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3454
3455         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3456
3457 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3458
3459         * config/alpha/alpha.c, config/alpha/alpha.md,
3460         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3461         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3462         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3463         config/arm/lib1funcs.asm: Follow spelling conventions.
3464
3465         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3466         config/fr30/fr30.md, config/i386/i386.h,
3467         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3468         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3469         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3470         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3471         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3472         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3473         config/sparc/sparc.c, config/sparc/sparc.h,
3474         config/sparc/sparc.md, config/spu/constraints.md,
3475         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3476         conventions.
3477
3478 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3479
3480         PR target/29943
3481         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3482         alias attribute.
3483
3484 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3485
3486         * doc/invoke.texi (-ftree-lrs): Remove.
3487
3488 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3489
3490         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3491         NULL.
3492
3493 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3494
3495         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3496         new CALL_EXPR_FN macro for retrieving the function
3497         declaration of the input expression.
3498
3499 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3500
3501         * c.opt (Waddress): New.
3502         * common.opt (Walways-true): Delete.
3503         (Wstring-literal-comparison): Delete.
3504         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3505         -Wstring-literal-comparison. Add -Waddress.
3506         (Waddress): New.
3507         (Walways-true): Delete.
3508         (Wstring-literal-comparison): Delete.
3509         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3510         consistently instead of -Walways-true in example.
3511         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3512         * c-typeck.c (parser_build_binary_op): Replace
3513         -Wstring-literal-comparison and -Walways-true with -Waddress.
3514         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3515         with -Waddress.
3516
3517 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3518
3519         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3520         without DECL_STRUCT_FUNCTION initialized.
3521
3522 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3523
3524         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3525         due to calls to functions taking pointers as parameters.
3526
3527 2007-02-19  Richard Henderson  <rth@redhat.com>
3528
3529         PR debug/29558
3530         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3531         in memory.
3532
3533 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3534
3535         * config/s390/s390.c (s390_call_saved_register_used,
3536         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3537         accessed to the new scheme.
3538
3539 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3540
3541         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3542         (cris_print_index, cris_print_operand, cris_print_operand_address)
3543         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3544         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3545         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3546         GET_CODE () == xxx.
3547         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3548         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3549         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3550         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3551         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3552         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3553         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3554         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3555         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3556         (uminsi3, call, call_value): Ditto.
3557         (define_split: indir_to_reg_split, unnamed): Ditto.
3558
3559 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3560
3561         PR tree-optimization/30975
3562         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3563         wrong assert.
3564
3565 2007-02-18  Eric Christopher  <echristo@gmail.com>
3566
3567         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3568         Remove use of arglist.
3569         (mips_expand_builtin): Remove use of arglist, pass in expr.
3570         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3571         (mips_expand_builtin_movtf): Ditto.
3572         (mips_expand_builtin_compare): Ditto.
3573
3574 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3575
3576         * tree-sra.c (sra_build_assignment): Replace assertion
3577         checking with a comment explaining why it can't be done.
3578
3579 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3580
3581         PR middle-end/30833
3582         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3583         during CALL_EXPR representation conversion.
3584         * tree-ssa-propagate.c (set_rhs): Likewise.
3585
3586 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3587
3588         * tree-sra.c (sra_build_assignment): Disable assertion checking
3589         for now.
3590
3591 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3592
3593         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3594         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3595         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3596         Likewise.
3597         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3598         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3599         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3600         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3601         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3602         force_gimple_operand): Likewise.
3603         * ipa-cp.c (constant_val_insert): Likewise.
3604         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3605         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3606         perfect_nestify): Likewise.
3607         * langhooks.c (lhd_omp_assignment): Likewise.
3608         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3609         lower_copyprivate_clauses, lower_send_clauses,
3610         lower_send_shared_vars, expand_parallel_call,
3611         expand_omp_for_generic, expand_omp_for_static_nochunk,
3612         expand_omp_for_static_chunk, expand_omp_sections,
3613         lower_omp_single_copy, lower_omp_for_lastprivate,
3614         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3615         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3616         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3617         Likewise.
3618
3619 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3620
3621         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3622         config/sh/sh.md: Follow spelling conventions.
3623
3624         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3625         config/frv/predicates.md: Follow spelling conventions.
3626
3627         * config/m68k/linux-unwind.h: Fix a comment typo.
3628         * target.h: Follow spelling conventions.
3629
3630 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3631
3632         PR rtl-optimization/28173
3633         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3634         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3635         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3636         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3637         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3638
3639 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3640
3641         * builtins.c (fold_builtin_load_exponent): New.
3642         (fold_builtin_2): Use it.
3643
3644 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3645
3646         PR rtl-optimization/30773
3647         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3648         if we fail to attach a REG_EQUIV note.
3649
3650 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3651             Roger Sayle  <roger@eyesopen.com>
3652
3653         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3654
3655 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3656
3657         * calls.c (initialize_argument_information): Pass original EXP
3658         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3659         code to split complex arguments here, as part of initializing the
3660         ARGS array.
3661         (expand_call): Remove code that builds a list of arguments and
3662         inserts implicit arguments into it.  Instead, just count how many
3663         implicit arguments there will be so we can determine the size of
3664         the ARGS array, and let initialize_argument_information do the work.
3665         (split_complex_values): Delete unused function.
3666
3667 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3668
3669         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3670
3671 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3672
3673         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3674         for arg pointer based indexed addressing.
3675
3676 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3677
3678         * config/ia64/ia64.h, config/ia64/ia64.md,
3679         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3680         spelling conventions.
3681
3682 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3683
3684         * config/m68k/m68k.c (split_di): New.
3685         * config/m68k/m68k-protos.h: Declare split_di.
3686         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3687           Improve predicate handling and split constant shifts.
3688
3689 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3690
3691         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3692         parameter for register bitfield operations, general predicates
3693         cleanup
3694
3695 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3696
3697         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3698         * config/m68k/linux-unwind.h: New file.
3699
3700 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3701
3702         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3703         config/i386/athlon.md, config/ia64/ia64.md,
3704         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3705         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3706         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3707         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3708         tree-vect-transform.c: Fix comment typos.
3709
3710 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3711
3712         * sched-deps.c (find_insn_list): Remove.
3713         * sched-int.h: Remove the prototype for find_insn_list.
3714
3715 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3716
3717         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3718         to linker.
3719         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3720         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3721         darwin_rs6000_override_options.
3722         (C_COMMON_OVERRIDE_OPTIONS): Expect
3723         darwin_macosx_version_min to be non-NULL always.
3724         (TARGET_C99_FUNCTIONS): Likewise.
3725         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3726         (DARWIN_MINVERSION_SPEC): New.
3727         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3728         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3729         to cc1*.
3730         (DARWIN_MINVERSION_SPEC): New.
3731         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3732         value.
3733         * config/darwin-c.c (darwin_cpp_builtins): Expect
3734         darwin_macosx_version_min to be non-NULL always.
3735
3736         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3737
3738 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3739
3740         * config/i386/i386.h (x86_use_xchgb): New.
3741         (TARGET_USE_XCHGB): New macro.
3742         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3743         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3744         Split after reload into bswaphi for shifts of 8.
3745         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3746         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3747         or when optimizing for size.
3748
3749 2007-02-16  Richard Guenther  <rguenther@suse.de>
3750             Christian Bruel  <christian.bruel@st.com>
3751
3752         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3753         DECLs but prefer SSA_NAMEs over DECLs.
3754
3755 2007-02-16  Richard Guenther  <rguenther@suse.de>
3756
3757         * tree-flow-inline.h (single_imm_use_p): Remove.
3758         (zero_imm_uses_p): Likewise.
3759         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3760         instead of single_imm_use_p.
3761         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3762         zero_imm_uses_p.
3763
3764 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3765
3766         PR other/27843
3767         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3768         nested double- and backquotes.
3769
3770 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3771
3772         PR middle-end/30391
3773         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3774         should be unreachable.
3775         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3776         For the time being redirect GIMPLE_MODIFY_STMT to the new
3777         (renamed) build_gimple_modify_stmt_stat.
3778         (build2_gimple_stat): Rename to...
3779         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3780         Always build a GIMPLE_MODIFY_STMT node.
3781         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3782         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3783         declarations.
3784
3785         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3786         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3787         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3788         expand_complex_div_wide): Likewise.
3789         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3790         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3791         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3792         * tree-ssa-loop-manip.c (create_iv): Likewise.
3793         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3794         abs_replacement): Likewise.
3795         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3796         realify_fake_stores): Likewise.
3797
3798         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3799         node rather than a GIMPLE_MODIFY_STMT node.
3800         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3801         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3802         Likewise.
3803         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3804         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3805         GIMPLE_MODIFY_STMT.
3806
3807 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3808
3809         PR middle-end/30433
3810         * fold-const.c (fold_comparison): Add back the
3811         folding of constant complex comparisions.
3812
3813 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3814
3815         PR middle-end/30729
3816         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3817         effects unknown to this function, return early.
3818
3819 2007-02-15  Ian Lance Taylor  <iant@google.com>
3820
3821         * lower-subreg.c (move_eh_region_note): New static function.
3822         (resolve_simple_move): Call it.
3823         (decompose_multiword_subregs): Track blocks for which we resolve a
3824         simple move which is also a control flow insn.  Pass them to
3825         find_many_sub_basic_blocks.
3826         (pass_lower_subreg): Add TODO_verify_flow.
3827         (pass_lower_subreg2): Likewise.
3828
3829 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3830             Brooks Moses  <brooks.moses@codesourcery.com>
3831             Lee Millward  <lee.millward@codesourcery.com>
3832
3833         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3834         (VL_EXP_CLASS_P): New.
3835         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3836         TREE_CODE_LENGTH.
3837         (TREE_OPERAND_CHECK_CODE): Likewise.
3838         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3839         (TREE_RTL_OPERAND_CHECK): Likewise.
3840         (tree_operand_check_failed): Make second parameter the whole tree
3841         instead of its code.  Fixed callers.
3842         (VL_EXP_CHECK): New.
3843         (TREE_OPERAND_LENGTH): New.
3844         (VL_EXP_OPERAND_LENGTH): New.
3845         (CALL_EXPR_FN): New.
3846         (CALL_EXPR_STATIC_CHAIN): New.
3847         (CALL_EXPR_ARGS): New.
3848         (CALL_EXPR_ARG): New.
3849         (call_expr_nargs): New.
3850         (CALL_EXPR_ARGP): New.
3851         (build_nt_call_list): Declare.
3852         (build_vl_exp_stat): Declare.
3853         (build_vl_exp): New.
3854         (build_call_list): Declare.
3855         (build_call_nary): Declare.
3856         (build_call_valist): Declare.
3857         (build_call_array): Declare.
3858         (call_expr_arg): Declare.
3859         (call_expr_argp): Declare.
3860         (call_expr_arglist): Declare.
3861         (fold_build_call_list): Declare.
3862         (fold_build_call_list_initializer): Declare.
3863         (fold_call_expr): Declare to replace fold_builtin.
3864         (fold_builtin_fputs): Update to agree with modified definition.
3865         (fold_builtin_strcpy): Likewise.
3866         (fold_builtin_strncpy): Likewise.
3867         (fold_builtin_memory_chk): Likewise.
3868         (fold_builtin_stxcpy_chk): Likewise.
3869         (fold_builtin_strncpy_chk): Likewise.
3870         (fold_builtin_next_arg): Likewise.
3871         (fold_build_call_expr): Declare.
3872         (fold_builtin_call_list): Declare.
3873         (fold_builtin_call_valist): Declare.
3874         (build_call_expr): Declare.
3875         (validate_arglist): Update to agree with modified definition.
3876         (tree_operand_length): New.
3877         (call_expr_arg_iterator): New.
3878         (init_call_expr_arg_iterator): New.
3879         (next_call_expr_arg): New.
3880         (first_call_expr_arg): New.
3881         (more_call_expr_args_p): New.
3882         (FOR_EACH_CALL_EXPR_ARG): New.
3883
3884         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3885         and tcc_gimple_stmt.
3886         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3887         than sizeof (char *).
3888         (tree_size): Likewise.  Add case for tcc_vl_exp.
3889         (tree_node_structure): Add case for tcc_vl_exp.
3890         (contains_placeholder_p): Likewise.
3891         (substitute_in_expr): Likewise.
3892         (substitute_placeholder_in_expr): Likewise.
3893         (stabilize_reference_1): Likewise.
3894         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3895         to diagnose breakage of this interface for constructing CALL_EXPRs.
3896         (build_nt): Add similar assertion here.
3897         (build_nt_call_list): New.
3898         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3899         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3900         TREE_CODE_LENGTH.
3901         (get_callee_fndecl): Use new CALL_EXPR accessors.
3902         (tree_operand_check_failed): Change parameters to pass entire node
3903         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3904         (process_call_operands): New.
3905         (build_vl_exp_stat): New.
3906         (build_call_list): New.
3907         (build_call_nary): New.
3908         (build_call_valist): New.
3909         (build_call_array): New.
3910         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3911         (call_expr_arglist): New.
3912
3913         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3914         tcc_vl_exp instead of a fixed-size tcc_expression.
3915
3916         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3917         accessors for CALL_EXPRs.
3918         (AGGR_INIT_EXPR): Likewise.
3919
3920 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3921             Brooks Moses  <brooks.moses@codesourcery.com>
3922             Lee Millward  <lee.millward@codesourcery.com>
3923
3924         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3925         (expand_builtin_nonlocal_goto): Change parameter to be entire
3926         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3927         (expand_builtin_prefetch): Likewise.
3928         (expand_builtin_classify_type): Likewise.
3929         (mathfn_built_in): Return NULL_TREE instead of 0.
3930         (expand_errno_check): Use new CALL_EXPR accessors.
3931         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3932         Return NULL_RTX instead of 0.
3933         (expand_builtin_mathfn_2): Likewise.
3934         (expand_builtin_mathfn_3): Likewise.
3935         (expand_builtin_interclass_mathfn): Likewise.
3936         (expand_builtin_sincos): Likewise.
3937         (expand_builtin_cexpi): Likewise.
3938         (expand_builtin_int_roundingfn): Likewise.
3939         (expand_builtin_int_roundingfn_2): Likewise.
3940         (expand_builtin_pow): Likewise.
3941         (expand_builtin_powi): Likewise.
3942         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3943         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3944         accessors and constructors.  Return NULL_RTX instead of 0.
3945         (expand_builtin_strstr): Likewise.
3946         (expand_builtin_strchr): Likewise.
3947         (expand_builtin_strrchr): Likewise.
3948         (expand_builtin_strpbrk): Likewise.
3949         (expand_builtin_memcpy): Likewise.
3950         (expand_builtin_mempcpy): Likewise.
3951         (expand_builtin_mempcpy_args): New.
3952         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3953         (expand_builtin_memmove_args): New.
3954         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3955         (expand_movstr): Likewise.
3956         (expand_builtin_strcpy): Likewise.
3957         (expand_builtin_strcpy_args): New.
3958         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3959         (expand_builtin_strncpy): Likewise.
3960         (expand_builtin_memset): Likewise.
3961         (expand_builtin_memset_args): New.
3962         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3963         (expand_builtin_memcmp): Likewise.
3964         (expand_builtin_strcmp): Likewise.
3965         (expand_builtin_strncmp): Likewise.
3966         (expand_builtin_strcat): Likewise.
3967         (expand_builtin_strncat): Likewise.
3968         (expand_builtin_strspn): Likewise.
3969         (expand_builtin_strcspn): Likewise.
3970         (expand_builtin_args_info): Likewise.
3971         (expand_builtin_va_start): Likewise.
3972         (gimplify_va_arg_expr): Likewise.
3973         (expand_builtin_va_end): Likewise.
3974         (expand_builtin_va_copy): Likewise.
3975         (expand_builtin_frame_address): Likewise.
3976         (expand_builtin_alloca): Likewise.
3977         (expand_builtin_bswap): Likewise.
3978         (expand_builtin_unop): Likewise.
3979         (expand_builtin_fputs): Likewise.
3980         (expand_builtin_expect): Likewise.
3981         (expand_builtin_fabs): Likewise.
3982         (expand_builtin_copysign): Likewise.
3983         (expand_builtin_printf): Likewise.
3984         (expand_builtin_fprintf): Likewise.
3985         (expand_builtin_sprintf): Likewise.
3986         (expand_builtin_init_trampoline): Likewise.
3987         (expand_builtin_signbit): Likewise.
3988         (expand_builtin_fork_or_exec): Likewise.
3989         (expand_builtin_sync_operation): Likewise.
3990         (expand_builtin_compare_and_swap): Likewise.
3991         (expand_builtin_lock_test_and_set): Likewise.
3992         (expand_builtin_lock_release): Likewise.
3993         (expand_builtin): Likewise.
3994         (builtin_mathfn_code): Likewise.
3995
3996         (fold_builtin_constant_p): Pass call arguments individually instead
3997         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3998         accessors and constructors.  Return NULL_TREE instead of 0.
3999         (fold_builtin_expect): Likewise.
4000         (fold_builtin_classify_type): Likewise.
4001         (fold_builtin_strlen): Likewise.
4002         (fold_builtin_nan): Likewise.
4003         (integer_valued_real_p): Likewise.
4004         (fold_trunc_transparent_mathfn): Likewise.
4005         (fold_fixed_mathfn): Likewise.
4006         (fold_builtin_cabs): Likewise.
4007         (fold_builtin_sqrt): Likewise.
4008         (fold_builtin_cbrt): Likewise.
4009         (fold_builtin_cos): Likewise.
4010         (fold_builtin_cosh): Likewise.
4011         (fold_builtin_tan): Likewise.
4012         (fold_builtin_sincos): Likewise.
4013         (fold_builtin_cexp): Likewise.
4014         (fold_builtin_trunc): Likewise.
4015         (fold_builtin_floor): Likewise.
4016         (fold_builtin_ceil): Likewise.
4017         (fold_builtin_round): Likewise.
4018         (fold_builtin_int_roundingfn): Likewise.
4019         (fold_builtin_bitop): Likewise.
4020         (fold_builtin_bswap): Likewise.
4021         (fold_builtin_logarithm): Likewise.
4022         (fold_builtin_hypot): Likewise.
4023         (fold_builtin_pow): Likewise.
4024         (fold_builtin_powi): Likewise.
4025         (fold_builtin_exponent): Likewise.
4026         (fold_builtin_memset): Likewise.
4027         (fold_builtin_bzero): Likewise.
4028         (fold_builtin_memory_op): Likewise.
4029         (fold_builtin_bcopy): Deleted; call site changed to invoke
4030         fold_builtin_memory_op directly.
4031         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4032         (fold_builtin_strncpy): Likewise.
4033         (fold_builtin_memcmp): Likewise.
4034         (fold_builtin_strcmp): Likewise.
4035         (fold_builtin_strncmp): Likewise.
4036         (fold_builtin_signbit): Likewise.
4037         (fold_builtin_copysign): Likewise.
4038         (fold_builtin_isascii): Likewise.
4039         (fold_builtin_toascii): Likewise.
4040         (fold_builtin_isdigit): Likewise.
4041         (fold_builtin_fabs): Likewise.
4042         (fold_builtin_abs): Likewise.
4043         (fold_builtin_fmin_fmax): Likewise.
4044         (fold_builtin_carg): Likewise.
4045         (fold_builtin_classify): Likewise.
4046         (fold_builtin_unordered_cmp): Likewise.
4047
4048         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4049         New functions split out from fold_builtin_1.
4050         (fold_builtin_n): New.
4051         (fold_builtin_varargs): New.
4052         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4053         instead.
4054         (fold_call_expr): New.
4055         (build_function_call_expr): Rewrite to use new helper function.
4056         (fold_builtin_call_list): New.
4057         (build_call_expr): New.
4058         (fold_builtin_call_valist): New.
4059         (rewrite_call_expr): New.
4060         (validate_arg): New.
4061         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4062         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4063         accessors.
4064
4065         (fold_builtin_strstr):  Pass call arguments individually instead
4066         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4067         accessors and constructors.  Return NULL_TREE instead of 0.
4068         (fold_builtin_strchr): Likewise.
4069         (fold_builtin_strrchr): Likewise.
4070         (fold_builtin_strpbrk): Likewise.
4071         (fold_builtin_strcat): Likewise.
4072         (fold_builtin_strncat): Likewise.
4073         (fold_builtin_strspn): Likewise.
4074         (fold_builtin_strcspn): Likewise.
4075         (fold_builtin_fputs): Likewise.
4076         (fold_builtin_next_arg): Likewise.
4077         (fold_builtin_sprintf): Likewise.
4078
4079         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4080         NULL_RTX instead of 0.
4081         (expand_builtin_memory_chk): Likewise.
4082         (maybe_emit_chk_warning): Likewise.
4083         (maybe_emit_sprintf_chk_warning): Likewise.
4084
4085         (fold_builtin_object_size): Pass call arguments individually instead
4086         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4087         accessors and constructors.  Return NULL_TREE instead of 0.
4088         (fold_builtin_memory_chk): Likewise.
4089         (fold_builtin_stxcpy_chk): Likewise.
4090         (fold_builtin_strncpy_chk): Likewise.
4091         (fold_builtin_strcat_chk): Likewise.
4092         (fold_builtin_strcat_chk): Likewise.
4093         (fold_builtin_strncat_chk): Likewise.
4094         (fold_builtin_sprintf_chk): Likewise.
4095         (fold_builtin_snprintf_chk): Likewise.
4096         (fold_builtin_printf): Likewise.
4097         (fold_builtin_vprintf): Likewise.
4098
4099         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4100         constructors.
4101         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4102         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4103         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4104         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4105         (fold_unary): Likewise.
4106         (fold_binary): Likewise.
4107         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4108         ternary expressions.
4109         (fold): Add logic for tcc_vl_exp.
4110         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4111         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4112         (fold_build3_stat): Add assertion to flag broken interface for
4113         constructing CALL_EXPRs.
4114         (fold_build_call_list): New.
4115         (fold_build_call_list_initializer): New.
4116         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4117         constructors.
4118         (fold_strip_sign_ops): Likewise.
4119
4120 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4121             Brooks Moses  <brooks.moses@codesourcery.com>
4122             Lee Millward  <lee.millward@codesourcery.com>
4123
4124         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4125         accessors and dump arguments explicitly.
4126
4127         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4128         TREE_CODE_LENGTH.
4129         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4130         explicitly.
4131         (print_call_name): Use new CALL_EXPR accessors.
4132
4133         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4134         CALL_EXPR arguments explicitly instead of as a list.  Use
4135         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4136
4137         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4138         (vrp_visit_stmt): Likewise.
4139
4140         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4141         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4142         TREE_CODE_LENGTH.
4143         (force_move_till_expr): Likewise.
4144
4145         * targhooks.c (default_external_stack_protect_fail): Use
4146         build_call_expr instead of build_function_call_expr.
4147         (default_hidden_stack_protect_fail): Likewise.
4148
4149         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4150         build the call.
4151
4152         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4153         and walk arguments explicitly.
4154
4155         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4156         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4157         (expand_simple_operations): Likewise.
4158         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4159
4160         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4161         of TREE_CODE_LENGTH.
4162         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4163
4164         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4165         instead of TREE_CODE_LENGTH.
4166
4167         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4168         (tree_ic_transform): Likewise.
4169         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4170         parameter instead of arglist.  Fix callers.
4171         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4172         (tree_stringops_transform): Likewise.
4173         (tree_indirect_call_to_profile): Likewise.
4174         (tree_stringops_values_to_profile): Likewise.
4175
4176         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4177         (eliminate_tail_call): Likewise.
4178
4179         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4180
4181         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4182         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4183         operands.
4184         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4185
4186         * omp-low.c (build_omp_barrier): Use build_call_expr.
4187         (lower_rec_input_clauses): Likewise.
4188         (lower_reduction_clauses): Likewise.
4189         (expand_parallel_call): Likewise.
4190         (maybe_catch_exception): Likewise.
4191         (expand_omp_for_generic): Likewise.
4192         (expand_omp_for_static_nochunk): Likewise.
4193         (expand_omp_sections): Likewise.
4194         (lower_omp_single_simple): Likewise.
4195         (lower_omp_single_copy): Likewise.
4196         (lower_omp_master): Likewise.
4197         (lower_omp_ordered): Likewise.
4198         (lower_omp_critical): Likewise.
4199
4200         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4201         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4202
4203         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4204         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4205         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4206
4207         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4208         and generalize to handle any number of operands.
4209         (chrec_contains_undetermined): Likewise.
4210         (tree_contains_chrecs): Likewise.
4211         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4212
4213         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4214
4215         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4216         fold_call_expr instead of fold_builtin.
4217         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4218         match declarations there.
4219         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4220         updates.
4221
4222         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4223         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4224
4225         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4226         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4227
4228         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4229         accessors.
4230
4231         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4232         (execute_cse_sincos): Use new CALL_EXPR accessors.
4233
4234         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4235
4236         * gimple-low.c (lower_function_body): Use build_call_expr.
4237         (lower_builtin_setjmp): Likewise.
4238
4239         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4240         (set_storage_via_libcall): Likewise.
4241         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4242         instead of TREE_CODE_LENGTH.
4243         (expand_expr_real_1): Use new CALL_EXPR accessors.
4244
4245         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4246         generalize to handle any number of operands.
4247         (TB_parent_eq): Likewise.
4248
4249         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4250         (strip_builtin_expect): Likewise.
4251
4252         * function.c (gimplify_parameters): Use build_call_expr.
4253
4254         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4255         instead of TREE_CODE_LENGTH.
4256
4257         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4258         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4259
4260         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4261         iterators.
4262
4263         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4264         (gimplify_decl_expr): Likewise.
4265         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4266         Use new CALL_EXPR iterators.
4267         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4268         (gimplify_modify_expr_to_memset): Likewise.
4269         (gimplify_variable_sized_compare): Likewise.
4270         (gimplify_omp_atomic_fetch_op): Likewise.
4271         (gimplify_omp_atomic_pipeline): Likewise.
4272         (gimplify_omp_atomic_mutex): Likewise.
4273         (gimplify_function_tree): Likewise.
4274
4275         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4276         (call_expr_flags): Likewise.
4277         (expand_call): Likewise.
4278
4279         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4280         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4281         accessors.
4282
4283         * coverage.c (create_coverage): Use build_call_expr.
4284
4285         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4286         (temp_call_expr_obstack): New.
4287         (pool_copy_list): Delete.
4288         (temp_copy_call_expr): New.
4289         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4290         CALL_EXPR accessors.  Get rid of special goo for copying argument
4291         lists and use temp_copy_call_expr instead.
4292         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4293         CALL_EXPR accessors.
4294         (create_expression_by_pieces): Likewise.  Use build_call_array
4295         to construct the result instead of fold_build3.
4296         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4297         dealing with argument lists.
4298         (init_pre): Remove references to expression_node_pool and
4299         list_node_pool.  Init temp_call_expr_obstack instead.
4300         (fini_pre): Remove references to expression_node_pool and
4301         list_node_pool.
4302
4303         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4304         and walk arguments explicitly instead of as a list.
4305
4306         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4307         (mx_register_decls): Likewise.
4308         (mudflap_register_call): Likewise.
4309         (mudflap_finish_file): Likewise.
4310
4311         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4312         (ipa_callsite_compute_param): Likewise.
4313
4314         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4315         accessors and constructor.
4316
4317         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4318         accessors and constructor.
4319         (convert_tramp_reference): Likewise.
4320         (convert_call_expr): Likewise.
4321         (finalize_nesting_tree_1): Likewise.
4322
4323         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4324         accessors.
4325
4326         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4327
4328         * tree-inline.c (initialize_inlined_parameters): Pass entire
4329         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4330         accessors.
4331         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4332         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4333
4334         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4335         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4336         (vectorizable_reduction): Likewise.
4337         (vectorizable_call): Use new CALL_EXPR iterators.
4338         (vectorizable_conversion): Use build_call_expr.
4339         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4340         (vect_gen_widened_results_half): Use build_call_expr.
4341         (vect_setup_realignment): Likewise.
4342         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4343
4344         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4345         (pass_through_call): Likewise.
4346         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4347         fold_builtin.
4348
4349         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4350         (tree_gen_pow2_profiler): Likewise.
4351         (tree_gen_one_value_profiler): Likewise.
4352         (tree_gen_ic_func_profiler): Likewise.
4353         (tree_gen_average_profiler): Likewise.
4354         (tree_gen_ior_profiler): Likewise.
4355
4356         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4357         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4358         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4359
4360         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4361         of TREE_CODE_LENGTH.
4362
4363         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4364         of TREE_CODE_LENGTH.
4365
4366         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4367         constructor.
4368         (convert_to_integer): Likewise.
4369
4370         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4371         accessors.
4372
4373 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4374             Brooks Moses  <brooks.moses@codesourcery.com>
4375             Lee Millward  <lee.millward@codesourcery.com>
4376
4377         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4378         accessors.
4379         * config/frv/frv.c (frv_expand_builtin): Likewise.
4380         * config/s390/s390.c (s390_expand_builtin): Likewise.
4381
4382         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4383         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4384
4385         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4386         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4387         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4388         (ix86_expand_store_builtin): Likewise.
4389         (ix86_expand_unop_builtin): Likewise.
4390         (ix86_expand_unop1_builtin): Likewise.
4391         (ix86_expand_sse_compare): Likewise.
4392         (ix86_expand_sse_comi): Likewise.
4393         (ix86_expand_vec_init_builtin): Likewise.
4394         (ix86_expand_vec_ext_builtin): Likewise.
4395         (ix86_expand_vec_set_builtin): Likewise.
4396         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4397
4398         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4399         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4400
4401         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4402         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4403         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4404
4405         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4406         build_call_expr.
4407         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4408         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4409         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4410         (altivec_expand_abs_builtin): Likewise.
4411         (rs6000_expand_binop_builtin): Likewise.
4412         (altivec_expand_predicate_builtin): Likewise.
4413         (altivec_expand_lv_builtin): Likewise.
4414         (spe_expand_stv_builtin): Likewise.
4415         (altivec_expand_stv_builtin): Likewise.
4416         (rs6000_expand_ternop_builtin): Likewise.
4417         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4418         (altivec_expand_st_builtin): Likewise.
4419         (altivec_expand_dst_builtin): Likewise.
4420         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4421         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4422         (altivec_expand_vec_set_builtin): Likewise.
4423         (altivec_expand_vec_ext_builtin): Likewise.
4424         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4425         (spe_expand_builtin): Likewise.
4426         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4427         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4428         (spe_expand_evsel_builtin): Likewise.
4429         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4430         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4431
4432         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4433         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4434         (arm_expand_unop_builtin): Likewise.
4435         (arm_expand_builtin): Use new CALL_EXPR accessors.
4436
4437         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4438         accessors.
4439
4440         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4441         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4442         (bfin_expand_unop_builtin): Likewise.
4443         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4444
4445 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4446             Brooks Moses  <brooks.moses@codesourcery.com>
4447             Lee Millward  <lee.millward@codesourcery.com>
4448
4449         * c-semantics.c (build_stmt): Add internal diagnostic check.
4450
4451         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4452         accessors.  Print arguments explicitly instead of as a list.
4453
4454         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4455
4456         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4457         (c_finish_omp_flish): Likewise.
4458
4459         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4460         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4461         instead of TREE_CODE_LENGTH.
4462         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4463         (c_warn_unused_result): Likewise.
4464
4465 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4466
4467         PR c/26494
4468         * doc/invoke.texi (Warning Options): Remove
4469         -Werror-implicit-function-declaration.
4470         (Wimplicit-function-declaration): Update description.
4471         * opts.c (common_handle_option): Move handling of -Werror=* to...
4472         (enable_warning_as_error): ...here.
4473         * opts.h (enable_warning_as_error): Declare.
4474         * c-decl.c (implicit_decl_warning): Unless
4475         -Wno-implicit-function-declaration is given, emit a pedwarn if
4476         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4477         * c.opt (Wimplicit-function-declaration): Replace
4478         mesg_implicit_function_declaration with
4479         warn_implicit_function_declaration.
4480         * c-opts.c (c_common_handle_option):
4481         -Werror-implicit-function-declaration is exactly equal as
4482         -Werror=implicit-function-declaration.
4483         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4484         warn_implicit_function_declaration.
4485         (c_common_post_options): -Wimplict-function-declaration is enabled
4486         by default by -std=c99, otherwise is disabled by default.
4487         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4488
4489 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4490
4491         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4492         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4493         former is ignored but not the latter.
4494
4495 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4496
4497         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4498         is made and the reference doesn't use the alias set of its type,
4499         do not create the temporary using that type.
4500
4501 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4502
4503         * jump.c: Remove prototypes for delete_computation and
4504         delete_prior_computation.
4505
4506 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4507
4508         * jump.c (get_label_after): Delete.
4509         (get_label_before, delete_computation, delete_jump,
4510         delete_prior_computation, follow_jumps): Move...
4511         * reorg.c (delete_computation, delete_prior_computation): ... here...
4512         (get_label_before, delete_jump): ... making these static ...
4513         (follow_jumps): ... and simplifying this since it only runs after
4514         reload.
4515         * rtl.h (get_label_after, get_label_before, delete_jump,
4516         follow_jumps): Delete prototypes.
4517
4518 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4519
4520         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4521
4522 2007-02-15  Nick Clifton  <nickc@redhat.com>
4523
4524         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4525         order to prevent it from being munged by the target.
4526
4527 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4528
4529         * config/i386/i386.md: Remove misleading comment.
4530
4531 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4532
4533         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4534         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4535         invalid patterns.
4536
4537 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4538
4539         * tree-sra.c (instantiate_missing_elements): Canonicalize
4540         bit-field types.
4541         (sra_build_assignment): New.
4542         (generate_copy_inout, generate_element_copy,
4543         generate_element_zero, generate_one_element_init): Use it.
4544
4545 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4546
4547         * tree-sra.c (instantiate_missing_elements): Canonicalize
4548         bit-field types.
4549         (sra_build_assignment): New.
4550         (generate_copy_inout, generate_element_copy,
4551         generate_element_zero, generate_one_element_init): Use it.
4552
4553 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4554
4555         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4556         limbo die nodes.
4557
4558 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4559
4560         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4561         types as aggregates not scalars.
4562         * function.c (assign_stack_temp_for_type): Likewise.
4563
4564 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4565             Zdenek Dvorak  <dvorakz@suse.cz>
4566
4567         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4568         name.
4569
4570 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4571
4572         * passes.c (next_pass_1): Clear the next field of the copied
4573         pass structure.
4574
4575 2007-02-14  Richard Henderson  <rth@redhat.com>
4576
4577         * tree-sra.c (early_sra): New.
4578         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4579         (tree_sra_early, pass_sra_early): New.
4580         * tree-pass.h (pass_sra_early): Declare.
4581         * passes.c (init_optimization_passes): Use it.
4582
4583 2007-02-14  Richard Guenther  <rguenther@suse.de>
4584
4585         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4586
4587 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4588
4589          PR tree-optimization/30771
4590         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4591         also phi nodes.
4592         (vect_analyze_operations): Induction phis can now be marked as
4593         used_in_loop.
4594         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4595         Update documentation accordingly.
4596
4597 2007-02-14  Nick Clifton  <nickc@redhat.com>
4598
4599         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4600         most 3 arguments are supported.
4601         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4602
4603 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4604
4605         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4606         Ensure dst->current is valid.
4607
4608 2007-02-13  Paul Brook  <paul@codesourcery.com>
4609
4610         * config.gcc: Add arm*-*-uclinux-*eabi.
4611         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4612         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4613         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4614         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4615         (LINK_SPEC): Define.
4616         (LIB_SPEC): Define.
4617         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4618         register.
4619         * config/arm/uclinux-eabi.h: New file.
4620         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4621         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4622         based targets.
4623
4624 2007-02-13  Ian Lance Taylor  <iant@google.com>
4625
4626         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4627         * flags.h (warn_strict_overflow): Declare.
4628         (enum warn_strict_overflow_code): Define.
4629         (issue_strict_overflow_warning): New static inline function.
4630         * opts.c (warn_strict_overflow): New variable.
4631         (common_handle_option): Handle OPT_Wstrict_overflow and
4632         OPT_Wstrict_overflow_.
4633         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4634         OPT_Wall.
4635         * fold-const.c: Include intl.h.
4636         (fold_deferring_overflow_warnings): New static variable.
4637         (fold_deferred_overflow_warning): New static variable.
4638         (fold_deferred_overflow_code): New static variable.
4639         (fold_defer_overflow_warnings): New function.
4640         (fold_undefer_overflow_warnings): New function.
4641         (fold_undefer_and_ignore_overflow_warnings): New function.
4642         (fold_deferring_overflow_warnings_p): New function.
4643         (fold_overflow_warning): New static function.
4644         (make_range): Add strict_overflow_p parameter.  Change all
4645         callers.
4646         (extract_muldiv, extract_muldiv_1): Likewise.
4647         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4648         tree_expr_nonnegative_p.
4649         (fold_negate_expr): Call fold_overflow_warning.
4650         (fold_range_test): Likewise.
4651         (fold_comparison): Likewise.
4652         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4653         instead of tree_expr_nonnegative_p.
4654         (tree_expr_nonnegative_warnv_p): Rename from
4655         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4656         (tree_expr_nonnegative_p): New function.
4657         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4658         strict_overflow_p parameter.
4659         (tree_expr_nonzero_p): New function.
4660         * passes.c (verify_interpass_invariants): New static function.
4661         (execute_one_pass): Call it.
4662         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4663         warnings.
4664         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4665         (estimate_numbers_of_iterations): Likewise.
4666         (scev_probably_wraps_p): Likewise.
4667         * tree-ssa-ccp.c: Include "toplev.h".
4668         (evaluate_stmt): Defer fold overflow warnings until we know we are
4669         going to optimize.
4670         (struct fold_stmt_r_data): Add stmt field.
4671         (fold_stmt_r): Defer fold overflow warnings until we know we
4672         optimized.
4673         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4674         (fold_stmt_inplace): Likewise.
4675         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4676         (cleanup_control_expr_graph): Defer fold overflow warnings until
4677         we know we are going to optimize.
4678         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4679         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4680         Likewise.
4681         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4682         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4683         * tree-ssa-loop-manip.c (create_iv): Likewise.
4684         * c-typeck.c (build_conditional_expr): Likewise.
4685         (build_binary_op): Likewise.
4686         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4687         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4688         (extract_range_from_unary_expr): Likewise.
4689         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4690         assuming that signed overflow does not occur.
4691         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4692         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4693         (fold_defer_overflow_warnings): Declare.
4694         (fold_undefer_overflow_warnings): Declare.
4695         (fold_undefer_and_ignore_overflow_warnings): Declare.
4696         (fold_deferring_overflow_warnings_p): Declare.
4697         (tree_expr_nonzero_warnv_p): Declare.
4698         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4699         of warning options.
4700         (Warning Options): Document -Wstrict-overflow.
4701         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4702         (tree-ssa-ccp.o): Likewise.
4703         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4704         (fold-const.o): Depend on intl.h.
4705
4706 2007-02-13  Ian Lance Taylor  <iant@google.com>
4707
4708         PR middle-end/30751
4709         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4710         addresses.
4711
4712 2007-02-13  Stuart Hastings  <stuart@apple.com>
4713
4714         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4715
4716 2007-02-13  Richard Henderson  <rth@redhat.com>
4717
4718         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4719         handled_component_p before looking for the indirect_ref.
4720
4721 2007-02-13  Richard Henderson  <rth@redhat.com>
4722
4723         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4724         remove flags clobber.
4725         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4726         (bswaphi_lowpart): New.
4727         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4728         remove TARGET_BSWAP test.  Delete expander of the same name.
4729
4730         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4731         (expand_unop): Use them.
4732
4733 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4734
4735         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4736         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4737         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4738         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4739         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4740         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4741         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4742         assembler dialect choice from asm templates.
4743
4744 2007-02-12  Richard Henderson  <rth@redhat.com>
4745
4746         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4747         (fixuns_trunc<SSEMODEF>si2): Use it.
4748         * config/i386/sse.md (vec_setv4sf_0): Export.
4749         * config/i386/i386.c (ix86_build_const_vector): Export.
4750         (ix86_split_convert_uns_si_sse): Rename from
4751         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4752         * config/i386/i386-protos.h: Update.
4753
4754 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4755
4756         PR c/29521
4757         * c-typeck.c (c_finish_return): Improve warning message.
4758
4759 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4760
4761         * alias.c (find_symbolic_term): Delete unused function.
4762
4763 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4764
4765         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4766         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4767         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4768
4769 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4770
4771         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4772         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4773         the function, temporarily point the debug interface to the null one.
4774
4775 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4776
4777         * dwarf2out.c (round_up_to_align): New static function.
4778         (field_byte_offset): Use it to round the offset.
4779
4780 2007-02-12  Richard Henderson  <rth@redhat.com>
4781
4782         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4783         (inswl_const): Export.
4784
4785 2007-02-12  Richard Henderson  <rth@redhat.com>
4786
4787         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4788         result mode of the libcall, convert back to outmode.
4789
4790 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4791
4792         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4793         (bswapdi2): New define_expand to implement 32-bit implementation.
4794
4795 2007-02-12  Nick Clifton  <nickc@redhat.com>
4796
4797         * doc/invoke.texi (Overall Options): Document --help=.
4798         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4799         (cc1_options): Pass --help= on to cc1.
4800         (display_help): Add description of --help=.
4801         (process_command): Add code to handle --help=.  Allow translated
4802         --help and --target-help switches to be passed on to compiler
4803         sub-process.
4804         (main): Remove unused if statement.
4805         * opts.c (columns): Remove.
4806         (LEFT_COLUMN): Define.
4807         (wrap_help): Add columns argument.
4808         (print_filtered_help): Change parameters to be an include bitmask,
4809         an exclude bitmask, an any bitmask and the column width.  Move the
4810         code to display the params list here.  Add code to display the
4811         status of options rather than their descriptions if the quiet flag
4812         is not active.
4813         (print_specific_help): Change parameters to be an include bitmask,
4814         an exclude bitmask and an any bitmask.  Move code to look up the
4815         column width here.  Decide upon the title for an options listing.
4816         (common_handle_options): Add code to handle --help=.  Adapt code
4817         for --help and --target-help to use the revised form of the
4818         print_specific_help function.
4819         (print_help): Delete.
4820         (print_param_help): Delete.
4821         (print_switch): Delete.
4822         * opts.h (cl_lang_count): Add prototype.
4823         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4824         CL_MAX_OPTION_CLASS): New defines.
4825         * optc-gen.awk: Add construction of cl_lang_count.
4826         * c.opt: Add Warning attribute to warning options and Optimization
4827         attribute to optimization options.
4828         * common.opt: Likewise.
4829         Add --help=.
4830         Add -fhelp and -ftarget-help as aliases for the transformed --help
4831         and --target-help options.
4832         * opt-functions.awk: Add code to handle Warning and Optimization
4833         attributes.
4834
4835 2007-02-12  Richard Henderson  <rth@redhat.com>
4836
4837         * config/alpha/constraints.md: New file.
4838         * config/alpha/alpha.c: Include tm-constrs.h.
4839         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4840         alpha_extra_constraint): Remove.
4841         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4842         * config/alpha/alpha-protos.h: Update.
4843         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4844         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4845         (EXTRA_CONSTRAINT): Remove.
4846         * config/alpha/alpha.md: Include constraints.md.
4847         (adddi splitter): Use satisfies_constraint_*.
4848         * config/alpha/predicates.md (add_operand): Likewise.
4849         (sext_add_operand, addition_operation): Likewise.
4850
4851 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4852
4853         PR tree-optimization/29145
4854         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4855         in our handling of restrict qualified pointers.
4856
4857 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4858
4859         PR middle-end/7651
4860         * doc/invoke.texi (Wunused-value): Update description.
4861         (Wextra): Delete item.
4862         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4863         value of Wunused-value.
4864         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4865         (c_finish_stmt_expr): Don't check extra_warnings.
4866         (emit_side_effect_warnings): The caller is responsible to check
4867         warn_unused_value.
4868
4869 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4870             Matt Thomas  <matt@3am-software.com>
4871
4872         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4873
4874 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4875
4876         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4877         comparisons of POPCOUNT against zero.
4878         (simplify_const_relational_operation): Likewise.
4879
4880 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4881
4882         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4883
4884 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4885
4886         * dwarf2out.c (root_type): Delete unused function.
4887
4888 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4889
4890         * genattrtab.c (contained_in_p): Delete unused function.
4891         (write_expr_attr_cache): Likewise.
4892
4893 2007-02-11  Jan Hubicka  <jh@suse.cz>
4894
4895         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4896         previous patch.
4897
4898 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4899
4900         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4901         to add the REG_EQ* note.
4902         * see.c (see_merge_one_use_extension): Likewise.
4903         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4904         turn REG_EQUAL notes into REG_EQUIV notes if the target
4905         register may have more than one set.
4906         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4907         * gcse.c (try_replace_reg): Likewise.
4908         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4909         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4910         more than one REG_EQUIV note.
4911         * reload1.c (gen_reload): Use set_unique_reg_note.
4912
4913 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4914
4915         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4916         (ix86_builtin_conversion): New function.
4917
4918 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4919
4920         PR target/29487
4921         * tree.h (DECL_REPLACEABLE_P): New macro.
4922         * except.c (set_nothrow_function_flags): Likewise.
4923
4924 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4925             Ira Rosen  <irar@il.ibm.com>
4926             Dorit Nuzman  <dorit@il.ibm.com>
4927
4928         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4929         * targhooks.c (default_builtin_vectorized_conversion): New.
4930         * targhooks.h (default_builtin_vectorized_function): New declaration.
4931         * target.h (struct vectorize): Add builtin_conversion field.
4932         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4933         stmt_vec_info_type value.
4934         (vectorizable_conversion): New declaration.
4935         * tree-vect-analyze.c (vect_analyze_operations): Add
4936         vectorizable_conversion call.
4937         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4938         * tree-vect-transform.c (vectorizable_conversion): New function.
4939         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4940         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4941         mode.
4942         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4943         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4944         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4945         or ALTIVEC_BUILTIN_VCFSX.
4946
4947 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4948
4949         PR target/30634
4950         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4951         CONST_DOUBLE and operand 0 is a hard register.
4952         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4953         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4954         is a hard floating-point register.
4955
4956 2007-02-10  Richard Henderson  <rth@redhat.com>
4957             Jakub Jelinek  <jakub@redhat.com>
4958             Alexandre Oliva  <aoliva@redhat.com>
4959
4960         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4961         * builtin-types.def (BT_WORD): Make unsigned.
4962         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4963         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4964         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4965         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4966         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4967         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4968         emulated tls.
4969         * expr.c (emutls_var_address): New.
4970         (expand_expr_real_1): Expand emulated tls.
4971         (expand_expr_addr_expr_1): Likewise.
4972         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4973         * output.h (emutls_finish): Declare.
4974         * toplev.c (compile_file): Call it.
4975         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4976         address before wrapping in CONST.
4977         * varasm.c (emutls_htab, emutls_object_type): New.
4978         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4979         (get_emutls_object_name, get_emutls_object_type): New.
4980         (get_emutls_init_templ_addr, emutls_decl): New.
4981         (emutls_common_1, emutls_finish): New.
4982         (assemble_variable): When emulating tls, swap decls; generate
4983         constructor for the emutls objects.
4984         (do_assemble_alias): When emulating tls, swap decl and target name.
4985         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4986         for emulated tls.
4987         * varpool.c (decide_is_variable_needed): Look at force_output.
4988         Recurse for emulated tls.
4989         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4990         with decide_is_variable_needed.
4991         * emutls.c: New file.
4992         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4993         tls_object for real tls.
4994
4995 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4996
4997         PR rtl-optimization/29599
4998         * reload1.c (eliminate_regs_in_insn): Take the destination
4999         mode into account when computing the offset.
5000
5001 2007-02-09  Stuart Hastings  <stuart@apple.com>
5002             Richard Henderson  <rth@redhat.com>
5003
5004         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5005         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5006         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5007         fixuns_truncdfhi2): New.
5008         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5009         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5010         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5011         (floatunssidf2): Allow nonimmediate source.
5012         * gcc/config/i386/sse.md (movdi_to_sse): New.
5013         (vec_concatv2di): Drop '*'.
5014         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5015         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5016         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5017         New.
5018         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5019         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5020         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5021         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5022         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5023         ix86_build_const_vector.
5024         (x86_emit_floatuns): Rewrite.
5025
5026 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5027
5028         * genautomata.c (longest_path_length): Delete unused function.
5029         (struct state): Delete unused longest_path_length.
5030         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5031         (get_free_state): Delete unused.
5032
5033 2007-02-09  Jan Hubicka  <jh@suse.cz>
5034
5035         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5036         * doc/invoke.texi (inline-unit-growth): Update default value.
5037
5038         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5039         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5040         (rebuild_cgraph_edges): Likewise.
5041         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5042         (dump_cgraph_node): Dump frequencies.
5043         (cgraph_clone_edge): Add frequency scales.
5044         (cgraph_clone_node): Add freuqnecy.
5045         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5046         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5047         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5048         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5049         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5050         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5051         (save_inline_function_body): Likewise.
5052         * ipa-inline.c: inluce rtl.h
5053         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5054         (cgraph_edge_badness): Use frequencies.
5055         (cgraph_decide_recursive_inlining): Update clonning.
5056         (cgraph_decide_inlining_of_small_function): Dump frequency.
5057         * predict.c (estimate_bb_frequencies): Export.
5058         * predict.h (estimate_bb_frequencies): Declare.
5059         * tree-inline.c (copy_bb): Watch overflows.
5060         (expand_call_inline): Update call of cgraph_create_edge.
5061         (optimize_inline_calls): Use TODO flags to update frequnecies.
5062         * passes.h: Include predict.h
5063         (init_optimization_passes): Move profile ahead.
5064         (execute_function_todo): Handle TODO_rebuild_frequencies.
5065
5066 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5067
5068         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5069         the insbl or inswl pattern into a register.
5070
5071 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5072
5073         * config/ia64/ia64.md (bswapdi2): New define_insn.
5074
5075 2007-02-09  Richard Henderson  <rth@redhat.com>
5076
5077         * config/i386/constraints.md (Ym): New constraint.
5078         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5079         (movdi_1_rex64): Split sse and xmm general register moves from
5080         memory move alternatives.  Use conditional register constraints.
5081         (movsf_1, movdf_integer): Likewise.
5082         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5083         (movdf_integer_rex64): New.
5084         (pushsf_rex64): Fix output constraints.
5085         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5086         (sse2_stored): Likewise.
5087         (sse2_storeq_rex64): New.
5088         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5089         amd and not generic.
5090         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5091         for optimize_size.  Remove SF/DFmode hack.
5092
5093 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5094
5095         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5096         (bit_SSE4a): New.
5097
5098 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5099             Richard Sandiford  <richard@codesourcery.com>
5100
5101         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5102         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5103         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5104         m68k/t-mlib to tmake_file.
5105         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5106         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5107         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5108         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5109         variable is not empty, add t-$m68k_arch_family to tmake_file.
5110         Add t-mlibs to tmake_file.
5111         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5112         * config/m68k/t-cf: New file.
5113         * config/m68k/t-m68k: Likewise.
5114         * config/m68k/t-mlibs: Likewise.
5115         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5116         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5117         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5118         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5119         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5120         Delete.
5121         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5122         (INSTALL_LIBGCC): Delete.
5123         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5124         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5125         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5126         (M68K_MLIB_CPU): Define.
5127         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5128         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5129         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5130
5131 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5132             Richard Guenther  <rguenther@suse.de>
5133
5134         PR middle-end/23361
5135         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5136         against INT_MIN/INT_MAX.
5137         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5138         file if a loop is removed.
5139
5140 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5141
5142         * calls.c (store_one_arg): Pass correct alignment to
5143         emit_push_insn for non-BLKmode values.
5144         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5145         unaligned stack slot via a suitably aligned slot.
5146
5147 2007-02-08  DJ Delorie  <dj@redhat.com>
5148
5149         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5150         warnings.
5151         (legal_subregs): Use unsigned char, make const.
5152         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5153
5154 2007-02-08  Paul Brook  <paul@codesourcery.com>
5155
5156         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5157         special interworking needed.
5158
5159 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5160
5161         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5162         conditional to __SSE2__.
5163         (Entries below should have been added to first ChangeLog
5164         entry for amdfam10 dated 2007-02-05)
5165         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5166         defined.
5167         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5168         defined.
5169         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5170         defined.
5171
5172 2007-02-08  DJ Delorie  <dj@redhat.com>
5173
5174         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5175         * config/m32c/m32c.c (legal_subregs): New.
5176         (m32c_illegal_subreg_p): New.
5177         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5178         unsupported subregs of hard regs.
5179
5180 2007-02-08  Jan Hubicka  <jh@suse.cz>
5181
5182         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5183         the same one; always update histograms.
5184
5185 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5186
5187         * passes.c (init_optimization_passes): Tidy comment.
5188
5189 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5190
5191         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5192         strip zero_extend, bswap and rotates from POCOUNT's argument.
5193         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5194         zero_extend and rotates from PARITY's argument.
5195         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5196         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5197         of an integer constant at compile-time.
5198
5199 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5200
5201         PR 30562
5202         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5203         Update all users.
5204         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5205         users.
5206         (init_alias_info):
5207         * tree-ssa-live.c (remove_unused_locals): Do not remove
5208         TREE_ADDRESSABLE variables.
5209         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5210         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5211         FOR_CLOBBER.  Update all users.
5212         If VAR has an associated alias set, add a virtual operand for
5213         it if no alias is found to conflict with the memory reference.
5214
5215 2007-02-07  Jan Hubicka  <jh@suse.cz>
5216             Robert Kidd <rkidd@crhc.uiuc.edu>
5217
5218         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5219
5220 2007-02-07  Ian Lance Taylor  <iant@google.com>
5221
5222         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5223
5224 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5225
5226         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5227         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5228         tablejumpdi, movsi_to_cr_one): Remove constraints from
5229         define_expand's match_operands.
5230
5231 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5232
5233         * global.c (compute_regsets): Move declatation of "i" inside of
5234         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5235
5236 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5237
5238         PR c++/30703
5239         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5240         of INDIRECT_REF <RESULT_DECL>.
5241
5242         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5243
5244 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5245             Kaz Kojima  <kkojima@gcc.gnu.org>
5246
5247         PR target/29746
5248         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5249         properly.
5250         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5251
5252 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5253
5254         * doc/loop.texi: Document possibility not to perform disambiguation
5255         of loops with multiple latches.
5256         * cfgloopmanip.c (alp_enum_p): Removed.
5257         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5258         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5259         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5260         the new forwarder block.
5261         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5262         Handle the case latch is NULL.
5263         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5264         when marking loop exits.
5265         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5266         be modified.
5267         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5268         disambiguate_loops_with_multiple_latches.
5269         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5270         before fix_loop_structure.
5271         * cfgloop.c: Include pointer-set.h and output.h.
5272         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5273         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5274         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5275         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5276         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5277         disambiguate_multiple_latches, get_loop_body_with_size,
5278         disambiguate_loops_with_multiple_latches): New functions.
5279         (flow_loop_dump): Dump multiple latch edges.
5280         (flow_loop_nodes_find): Handle loops with multiple latches.
5281         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5282         (glb_enum_p): Modified.
5283         (get_loop_body): Use get_loop_body_with_size.
5284         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5285         (AVOID_CFG_MODIFICATIONS): New constant.
5286         (disambiguate_loops_with_multiple_latches, add_loop,
5287         get_loop_body_with_size): Declare.
5288         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5289
5290 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5291
5292         PR inline-asm/28686
5293         * global.c (compute_regsets): New function.
5294         (global_alloc): Refactored ELIMINABLE_REGSET
5295         and NO_GLOBAL_ALLOC_REGS computation out.
5296         (rest_of_handle_global_alloc): Call compute_regsets()
5297         for non-optimizing case.
5298
5299 2007-02-06  Richard Henderson  <rth@redhat.com>
5300
5301         * config/i386/constraints.md (Y2): Rename from Y.
5302         (Yi): New constraint.
5303         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5304         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5305         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5306         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5307         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5308         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5309         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5310         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5311         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5312         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5313         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5314         vec_extractv2si_1): Change Y constraints to Y2.
5315         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5316         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5317         Change Y constraints to Y2.
5318         (sse2_loadld): Change Y constraints to x.
5319
5320 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5321
5322         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5323         (parity<mode>2): New define_expand using rs6000_emit_parity.
5324         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5325         rs6000_emit_parity): New functions.
5326         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5327         rs6000_emit_parity): Prototype here.
5328
5329 2007-02-06  Ian Lance Taylor  <iant@google.com>
5330
5331         * lower-subreg.c (simple_move_operand): Reject CONST.
5332         (resolve_clobber): Call validate_change rather than directly
5333         assigning to XEXP (pat, 0).
5334
5335 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5336
5337         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5338         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5339         (tree-cfg.o): Remove hashtab.h dependency.
5340
5341         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5342         (struct ivopts_data): Change niters to pointer_map_t.
5343         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5344         (niter_for_exit): Create pointer_map on demand.  Change for
5345         pointer_map API.
5346         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5347         (free_loop_data): Destroy data->niters if created and reset field.
5348         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5349         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5350
5351         * tree-ssa-reassoc.c: Include pointer-set.h.
5352         (bb_rank): Change to long *.
5353         (operand_rank): Change to pointer_map_t.
5354         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5355         (insert_operand_rank): Accept long.
5356         (operand_entry_hash, operand_entry_eq): Remove.
5357         (get_rank): Return long.  Adjust for changes above.
5358         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5359         and operand_rank.
5360         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5361
5362         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5363         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5364         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5365         is not NULL.
5366         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5367         directly since it cannot be NULL.
5368         (get_vi_for_tree): Rewrite for pointer_map API.
5369         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5370         (init_alias_vars): Create vi_for_tree as pointer_map.
5371         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5372
5373         * tree-cfg.c: Don't include hashtab.h.
5374         (edge_to_cases): Declare as pointer_map.
5375         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5376         Delete.
5377         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5378         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5379         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5380         destroying it.
5381         (record_switch_edge): Delete.
5382         (get_cases_for_edge): Adjust for pointer_map API, inline
5383         record_switch_edge (rewritten for new API), remove goto.
5384
5385 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5386
5387         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5388         * tree-nested.c: Include pointer-set.h.
5389         (var_map_elt, var_map_eq, var_map_hash): Delete.
5390         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5391         to pointer_map_t's.
5392         (nesting_info_bitmap_obstack): New.
5393         (lookup_field_for_decl): Adjust for pointer_map API.
5394         (lookup_tramp_for_decl): Adjust for pointer_map API.
5395         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5396         (get_local_debug_decl): Adjust for pointer_map API.
5397         (convert_nl_goto_reference): Adjust for pointer_map API.
5398         (convert_nl_goto_receiver): Adjust for pointer_map API.
5399         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5400         the new obstack.  Create field_map and var_map as pointer_maps.
5401         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5402         (root): Delete.
5403         (lower_nested_functions): Move root here, no need to NULL it.
5404         Initialize and release the obstack.
5405
5406 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5407
5408         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5409         Remove prototypes and make them non-static.
5410         (struct tree_int_map): Remove.
5411         * tree.h (struct tree_int_map): Move here, turning TO into an
5412         unsigned int.
5413         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5414
5415         * tree.h (TREE_COMPLEXITY): Remove.
5416         (struct tree_exp): Remove complexity field.
5417         * tree.c (build1_stat): Don't set it.
5418
5419 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5420             Victor Kaplansky  <victork@il.ibm.com>
5421
5422         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5423         (vect_is_simple_reduction): Support reduction with induction as
5424         one of the operands.
5425         (vect_is_simple_iv_evolution): Fix formatting.
5426         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5427         formatting.  Don't mark induction phis for vectorization.
5428         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5429         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5430         (vect_get_vec_def_for_operand): Support induction.
5431         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5432         induction case.
5433         (vectorizable_reduction): Support reduction with induction as one of
5434         the operands.
5435         (vectorizable_type_demotion): Use def-type of stmt argument rather
5436         than dummy def-type.
5437
5438         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5439         flag_tree_scev_cprop.
5440         * common.opt (tree-scev-cprop): New flag.
5441
5442         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5443         call to vect_get_new_vect_var.
5444
5445 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5446
5447         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5448         vectype is not NULL.
5449         (vect_pattern_recog_1): Likewise.
5450
5451 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5452
5453         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5454         (fold_negate_expr): Likewise.
5455
5456 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5457
5458         PR debug/30189
5459         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5460         even if cv-qualification is the same.
5461
5462 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5463
5464         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5465         __enable_execute_stack on completion.
5466
5467 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5468
5469         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5470         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5471         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5472         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5473         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5474         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5475         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5476         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5477
5478 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5479
5480         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5481         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5482         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5483         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5484         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5485         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5486         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5487         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5488         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5489         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5490         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5491         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5492         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5493         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5494         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5495         sqrtextenddfxf2_i387): Added amdfam10_decode.
5496
5497         * config/i386/athlon.md (athlon_idirect_amdfam10,
5498         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5499         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5500         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5501         athlon_ivector_store_amdfam10): New define_insn_reservation.
5502         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5503         amdfam10.
5504
5505 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5506
5507         * config/i386/athlon.md (athlon_call_amdfam10,
5508         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5509         define_insn_reservation.
5510         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5511         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5512         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5513
5514 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5515
5516         * config/i386/athlon.md (athlon_sseld_amdfam10,
5517         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5518         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5519
5520 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5521
5522         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5523         define_insn_reservation.
5524         * config/i386/i386.md (sseins): Added sseins to define_attr type
5525         and define_attr unit.
5526         * config/i386/sse.md: Set type attribute to sseins for insertq
5527         and insertqi.
5528
5529 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5530
5531         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5532         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5533         ssecomi_load_amdfam10, ssecomi_amdfam10,
5534         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5535         define_insn_reservation.
5536         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5537
5538 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5539
5540         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5541         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5542         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5543         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5544         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5545         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5546         define_insn_reservation.
5547
5548         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5549         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5550         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5551         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5552         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5553
5554 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5555
5556         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5557         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5558         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5559         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5560         athlon_ssemul_load_k8): Added amdfam10.
5561
5562 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5563
5564         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5565         (x86_sse_unaligned_move_optimal): New variable.
5566
5567         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5568         m_AMDFAM10.
5569         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5570         for unaligned vector SSE double/single precision loads for AMDFAM10.
5571
5572 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5573
5574         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5575         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5576         Define TARGET_CPU_DEFAULT_amdfam10.
5577         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5578         (processor_type): Add PROCESSOR_AMDFAM10.
5579
5580         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5581         processor_type in config/i386/i386.h.
5582         Enable imul peepholes for TARGET_AMDFAM10.
5583
5584         * config.gcc: Add support for --with-cpu option for amdfam10.
5585
5586         * config/i386/i386.c (amdfam10_cost): New variable.
5587         (m_AMDFAM10): New macro.
5588         (m_ATHLON_K8_AMDFAM10): New macro.
5589         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5590         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5591         x86_promote_QImode, x86_integer_DFmode_moves,
5592         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5593         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5594         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5595         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5596         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5597         Enable/disable for amdfam10.
5598         (override_options): Add amdfam10_cost to processor_target_table.
5599         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5600         processor_alias_table.
5601         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5602         (ix86_adjust_cost): Add code for amdfam10.
5603
5604 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5605
5606         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5607         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5608         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5609         * config/i386/i386.h: Add builtin definition for SSE4A.
5610         * config/i386/i386.md: Add support for ABM instructions
5611         (popcnt and lzcnt).
5612         * config/i386/sse.md: Add support for SSE4A instructions
5613         (movntss, movntsd, extrq, insertq).
5614         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5615         Add -march=amdfam10 flag.
5616         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5617         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5618         and amdfam10.
5619         * doc/extend.texi: Add documentation for SSE4A builtins.
5620
5621 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5622
5623         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5624
5625 2007-02-05  Richard Guenther  <rguenther@suse.de>
5626
5627         * tree-vectorizer.h (vectorizable_function): Add argument type
5628         argument, change return type.
5629         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5630         * tree-vect-transform.c (vectorizable_function): Handle extra
5631         argument, return vectorized function decl.
5632         (build_vectorized_function_call): Remove.
5633         (vectorizable_call): Handle calls with result and argument types
5634         differing.  Handle loop vectorization factor correctly.
5635         * targhooks.c (default_builtin_vectorized_function): Adjust for
5636         extra argument.
5637         * targhooks.h (default_builtin_vectorized_function): Likewise.
5638         * target.h (builtin_vectorized_function): Add argument type
5639         argument.
5640         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5641         extra argument, allow vectorizing of lrintf.
5642         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5643         documentation of target hook.
5644
5645 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5646
5647         PR target/30665
5648         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5649         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5650         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5651
5652 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5653
5654         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5655         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5656         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5657         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5658         before canonicalizing sincos to cexpi.
5659         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5660
5661 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5662
5663         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5664         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5665         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5666
5667 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5668
5669         * mips-tfile.c (initialize_init_file): Correct endianness test.
5670
5671 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5672
5673         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5674         the 'y' constraint.
5675
5676 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5677
5678         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5679         saves in a PARALLEL before the register assignments.
5680
5681 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5682
5683         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5684         DWARF_FRAME_RETURN_COLUMN to be a general register.
5685         * dwarf2out.c (init_return_column_size): New function, split from...
5686         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5687         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5688         to be nongeneral registers.
5689         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5690         integer registers.
5691         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5692         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5693
5694 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5695
5696         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5697
5698 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5699
5700         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5701         (remove_path): Use can_remove_branch_p and remove_branch instead
5702         of loop_delete_branch_edge.
5703         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5704         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5705         Update profile using scale_dominated_blocks_in_loop.
5706         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5707         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5708         (can_remove_branch_p, remove_branch): Declare.
5709         * tree-cfg.c (tree_can_remove_branch_p): New function.
5710         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5711         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5712         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5713
5714 2007-02-05  Jan Hubicka  <jh@suse.cz>
5715
5716         PR middle-end/30696
5717         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5718         nodes in cgraph, don't remove offline copy of the function.
5719
5720 2007-02-04  Jan Hubicka  <jh@suse.cz>
5721
5722         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5723         vectors might cause maybe_lookup_element_for_expr to be called
5724         on non-sra-candidate.
5725
5726 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5727
5728         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5729         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5730         spelling conventions.
5731
5732 2007-02-04  Richard Guenther  <rguenther@suse.de>
5733
5734         PR middle-end/30636
5735         * fold-const.c (try_move_mult_to_index): Make sure to not
5736         overflow one dimension of a multi-dimensional array access.
5737
5738 2007-02-04  Jan Hubicka  <jh@suse.cz>
5739
5740         * passes.c (init_optimization_passes): Reindent.
5741
5742 2007-02-04  Jan Hubicka  <jh@suse.cz>
5743             Eric Botcazou  <ebotcazou@adacore.com>
5744
5745         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5746         (execute_fixup_cfg): Break out the abnormal goto code.
5747         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5748         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5749         (optimize_inline_calls): Call make_nonlocal_label_edges.
5750
5751 2007-02-04  Jan Hubicka  <jh@suse.cz>
5752
5753         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5754         true when something was changed.
5755         (rename_ssa_copies): When something was changed, do
5756         TODO_remove_unused_locals.
5757         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5758         add TODO_remove_unused_locals when instruction was removed.
5759
5760 2007-02-04  Jan Hubicka  <jh@suse.cz>
5761
5762         * ipa-inline.c (try_inline): Improve debug output; work on already
5763         inline edges too.
5764         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5765         call try_inline for already inlined edges too when flattening;
5766         inline also functions that make callee growth but overall unit size
5767         reduce.
5768
5769 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5770
5771         * config/m32c/bitops.md, config/m32c/jump.md,
5772         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5773         config/m32r/m32r.h, config/m32r/m32r.md,
5774         config/m32r/predicates.md, config/m68hc11/larith.asm,
5775         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5776         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5777         config/mips/mips-protos.h, config/mips/mips.c,
5778         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5779         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5780         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5781         spelling conventions.
5782
5783         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5784         Follow spelling conventions.
5785
5786 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5787
5788         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5789         warn about C++0x compatibility.
5790
5791 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5792
5793         * config/h8300/h8300.c, config/h8300/h8300.h,
5794         config/h8300/h8300.md: Follow spelling conventions.
5795
5796 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5797
5798         PR middle-end/30667
5799         * combine.c (try_combine): Do not substitute source operand
5800         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5801
5802 2007-02-03  Jan Hubicka  <jh@suse.cz>
5803
5804         PR gcov-profile/30650
5805         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5806         do not divide by zero for never executed counters.
5807         (tree_find_values_to_profile): Fix counters.
5808         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5809
5810 2007-02-03  Ian Lance Taylor  <iant@google.com>
5811
5812         * lower-subreg.c (simple_move_operand): New static function,
5813         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5814         operands.
5815         (simple_move): Call simple_move_operand.
5816         (find_decomposable_subregs): Add special handling of MEMs.
5817         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5818         meaning of return value.  If we see a hard register, test whether
5819         it can store a word_mode value.  Change all callers.
5820
5821 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5822
5823         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5824         ftrapv insns and expanders.
5825         (subdi3): Change define_expand operand 1 to arith11_operand, and
5826         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5827         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5828         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5829         respectively.
5830
5831         PR middle-end/30174
5832         * varasm.c (notice_global_symbol): Treat global objects as weak when
5833         flag_shlib is true.
5834
5835 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5836
5837         * emit-rtl.c (dconstpi): Delete.
5838         (dconstsqrt2): New.
5839         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5840         * real.h (dconstpi): Delete.
5841         (dconstsqrt2): New.
5842         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5843         (fold_builtin_hypot): Likewise.
5844
5845 2007-02-03  Tom Tromey  <tromey@redhat.com>
5846
5847         PR driver/30246
5848         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5849         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5850
5851 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5852
5853         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5854         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5855         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5856         config/rs6000/cell.md, config/rs6000/darwin.h,
5857         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5858         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5859         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5860         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5861         typos.  Follow spelling conventions.
5862         * doc/invoke.texi: Follow spelling conventions.
5863
5864 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5865
5866         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5867         canonicalization transformations that attempt to simplify integer
5868         constant comparisons to become comparisons against zero.
5869
5870 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5871
5872         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5873         fabs(x)*sqrt(2).
5874         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5875         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5876
5877 2007-02-02  Mike Stump  <mrs@apple.com>
5878
5879         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5880         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5881         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5882         generate a branch island.
5883
5884 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5885
5886         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5887         (xtensa_legitimate_address_p): New.
5888         (xtensa_legitimize_address): New.
5889         (xtensa_output_addr_const_extra): New.
5890         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5891         (BASE_REG_P): New.
5892         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5893         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5894         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5895         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5896         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5897         (xtensa_legitimize_address): New.
5898         (xtensa_output_addr_const_extra): New.
5899
5900 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5901
5902         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5903
5904 2007-02-02  Ian Lance Taylor  <iant@google.com>
5905
5906         * expmed.c (expand_divmod): Add comment.
5907
5908 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5909
5910         * emit-rtl.c (renumber_insns): Remove.
5911         * flags.h: Remove the extern for flag_renumber_insns.
5912         * rtl.h: Remove the prototype for renumber_insns.
5913         * toplev.c (flag_renumber_insns): Remove.
5914
5915 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5916
5917         Revert for x86 darwin:
5918         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5919
5920         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5921         code before the following patch under TARGET_MACHO.
5922         (ix86_function_value_regno_p): Likewise.
5923
5924 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5925
5926         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5927         COMPLEX_EXPR.
5928
5929 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5930
5931         PR target/29682
5932         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5933         general or fp registers.  Add comments.
5934         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5935
5936 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5937
5938         * pointer-set.c (insert_aux): Only return insertion slot.
5939         (pointer_set_insert): Adjust.
5940         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5941         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5942         pointer_map_traverse): New.
5943         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5944         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5945         pointer_map_contains, pointer_map_traverse): Declare.
5946
5947 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5948
5949         PR middle-end/30473
5950         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5951         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5952
5953 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5954
5955         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5956
5957         (struct _dep): New type.
5958         (dep_t): New typedef.
5959         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5960         (DEP_STATUS): New access macro.  The macro with the same name was
5961         renamed to DEP_LINK_STATUS.
5962         (dep_init): Declare function
5963
5964         (struct _dep_link): New type.
5965         (dep_link_t): New typedef.
5966         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5967         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5968         (DEP_LINK_STATUS): New macro.
5969         (debug_dep_links): New debug function.
5970
5971         (struct _deps_list): New type.
5972         (deps_list_t): New typedef.
5973         (DEPS_LIST_FIRST): New access macro.
5974         (FOR_EACH_DEP_LINK): New cycle macro.
5975         (create_deps_list, free_deps_list, delete_deps_list): Declare
5976         functions.
5977         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5978         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5979         (copy_deps_list_change_con): Ditto.
5980
5981         (move_dep_link): Declare function.
5982
5983         (struct _dep_node): New type.
5984         (dep_node_t): New typedef.
5985         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5986
5987         (struct haifa_insn_data.back_deps): New field to hold backward
5988         dependencies of the insn.
5989         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
5990         to deps_list_t.
5991         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5992         Change its type to deps_list_t.
5993         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5994         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5995         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5996
5997         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
5998
5999         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6000
6001         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6002         all callers.
6003         (dep_cost): Declare.
6004
6005         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6006         (ds_to_dk, dk_to_ds): New functions.
6007
6008         (init_dep_1): New static function.
6009         (init_dep): New function.
6010         (copy_dep): New static function.
6011
6012         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6013         functions.
6014         (detach_dep_link): New static function.
6015         (move_dep_link): New function.
6016
6017         (dep_links_consistent_p, dump_dep_links): New static functions.
6018         (debug_dep_links): New debugging function.
6019
6020         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6021
6022         (alloc_deps_list, init_deps_list): New static functions.
6023         (create_deps_list): New function.
6024         (clear_deps_list): New static function.
6025         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6026         (deps_list_consistent_p, dump_deps_list): New static functions.
6027         (debug_deps_list): New function.
6028         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6029         functions.
6030         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6031
6032         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6033         use new scheduler dependencies lists.
6034         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6035         (sched_analyze): Ditto.  Initialize dependencies lists.
6036         (add_forw_dep, compute_forward_dependences): Update to use new
6037         scheduler dependencies lists.
6038
6039         (init_dependency_caches): Init deps_obstack.
6040         (free_dependency_caches): Free deps_obstack.
6041
6042         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6043         new scheduler dependencies lists.
6044         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6045         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6046
6047         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6048         Update to use new scheduler dependencies lists.
6049         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6050         (debug_dependencies): Ditto.
6051         (schedule_region): Update comments.
6052
6053         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6054         scheduler dependencies lists.
6055         (schedule_ebb): Update comments.
6056
6057         * rtl.def (DEPS_LIST): Remove.
6058
6059         * lists.c (unused_deps_list): Remove.
6060         (free_list): Update assertions.
6061
6062         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6063         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6064
6065         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6066         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6067
6068         * haifa-sched.c (comments): Update.
6069         (insn_cost1): Remove.  Inline the code into insn_cost ().
6070         (insn_cost): Update to use new scheduler dependencies lists.  Move
6071         processing of the dependency cost to dep_cost ().
6072         (dep_cost): New function.  Use it instead of insn_cost () when
6073         evaluating cost of the dependency.  Use compatible interface to
6074         interact with the target.
6075         (priority): Update to use new scheduler dependencies lists.
6076         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6077         with greater number of insns that depend on the insn.
6078         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6079         code to free backward dependencies lists.  Inline and optimize code
6080         from resolve_dep () - see PR28071.
6081         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6082         lists.  Update call to targetm.sched.is_costly_dependence hook.
6083
6084         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6085         scheduler dependencies lists.
6086
6087         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6088         (init_h_i_d): Initialize dependencies lists.
6089
6090         (process_insn_depend_be_in_spec): Rename to
6091         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6092         dependencies lists.
6093         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6094         Update to use new scheduler dependencies lists.
6095         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6096
6097         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6098         new scheduler dependencies lists.
6099         (build_intra_loop_deps): Ditto.
6100
6101         * target.h (struct _dep): Declare to use in
6102         gcc_target.sched.is_costly_dependence.
6103         (struct gcc_target.sched.adjust_cost): Fix typo.
6104         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6105         single dep_t parameter instead of an equivalent triad.
6106         (struct gcc_target.sched.adjust_cost_2): Remove.
6107
6108         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6109
6110         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6111
6112         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6113         documentation.
6114         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6115
6116         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6117         (REG_DEP_TRUE): Document.
6118
6119         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6120         Change signature to correspond to the targetm.sched.adjust_cost hook.
6121         Update use in TARGET_SCHED_ADJUST_COST_2.
6122         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6123         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6124         new scheduler dependencies lists.
6125         (ia64_gen_check): Ditto.
6126
6127         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6128         dependencies lists.
6129
6130         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6131         signature to correspond to the targetm.sched.is_costly_dependence hook.
6132         (is_costly_group): Update to use new scheduler dependencies lists.
6133
6134         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6135         instead of INSN_COST () macro.
6136
6137 2007-02-01  Ian Lance Taylor  <iant@google.com>
6138
6139         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6140
6141 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6142
6143         * pa.md (tp_load): Correct mfctl instruction syntax.
6144
6145 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6146
6147         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6148         altivec_padding_size calculation on AIX.  Improve comment, add
6149         assert to verify that it's right.
6150
6151         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6152         64-bit.
6153
6154 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6155
6156         PR inline-asm/28686
6157         * global.c (global_alloc): Add mising initialization of
6158         ELIMINABLE_REGSET.
6159
6160 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6161
6162         * alias.c (init_alias_analysis): Correct whitespace.
6163         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6164         partition_hot_cold_basic_blocks): Likewise.
6165         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6166         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6167         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6168         fold_builtin_snprintf_chk, fold_builtin_printf,
6169         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6170         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6171         * cfgcleanup.c (cleanup_cfg): Likewise.
6172         * cfgexpand.c (tree_expand_cfg): Likewise.
6173         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6174         * function.c (get_next_funcdef_no): Likewise.
6175         * gengtype.c (main): Likewise.
6176         * genmodes.c (main): Likewise.
6177         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6178         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6179         * ifcvt.c (noce_emit_move_insn): Likewise.
6180         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6181         Likewise.
6182         * stor-layout.c (get_best_mode): Likewise.
6183         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6184         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6185         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6186         perform_var_substitution, solve_graph): Likewise.
6187         * tree-vrp.c (vrp_finalize): Likewise.
6188
6189 2007-02-01  Ian Lance Taylor  <iant@google.com>
6190
6191         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6192         high part of a paradoxical subreg, return a constant zero.
6193
6194 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6195
6196         * toplev.c (lang_dependent_init): Call init_set_costs.
6197         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6198
6199 2007-02-01  Richard Guenther  <rguenther@suse.de>
6200
6201         PR middle-end/30656
6202         * fold-const.c (fold_negate_expr): Allow negating a
6203         constant if overflow does not change.
6204
6205 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6206
6207         * doc/c-tree.texi (Expression trees): Improve markup.
6208         * doc/tm.texi (Register Classes, Addressing Modes)
6209         (Floating Point): Fix spacing after abbreviations.  Fix some
6210         typos.
6211
6212 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6213
6214         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6215         * doc/contrib.texi: Likewise.
6216         * doc/install.texi: Likewise.
6217
6218 2007-01-31  Richard Henderson  <rth@redhat.com>
6219             Ian Lance Taylor  <iant@google.com>
6220
6221         * lower-subreg.c: New file.
6222         * rtl.def (CONCATN): Define.
6223         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6224         pass_lower_subreg2.
6225         * emit-rtl.c (update_reg_offset): New static function, broken out
6226         of gen_rtx_REG_offset.
6227         (gen_rtx_REG_offset): Call update_reg_offset.
6228         (gen_reg_rtx_offset): New function.
6229         * regclass.c: Revert patch of 2006-03-05, restoring
6230         reg_scan_update.
6231         (clear_reg_info_regno): New function.
6232         * dwarf2out.c (concatn_loc_descriptor): New static function.
6233         (loc_descriptor): Handle CONCATN.
6234         * common.opt (fsplit_wide_types): New option.
6235         * opts.c (decode_options): Set flag_split_wide_types when
6236         optimizing.
6237         * timevar.def (TV_LOWER_SUBREG): Define.
6238         * rtl.h (gen_reg_rtx_offset): Declare.
6239         (reg_scan_update): Declare.
6240         * regs.h (clear_reg_info_regno): Declare.
6241         * tree-pass.h (pass_lower_subreg): Declare.
6242         (pass_lower_subreg2): Declare.
6243         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6244         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6245         -fsplit-wide-types.
6246         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6247         * Makefile.in (OBJS-common): Add lower-subreg.o.
6248         (lower-subreg.o): New target.
6249
6250 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6251
6252         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6253
6254 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6255
6256         PR target/19087
6257         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6258
6259 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6260
6261         PR middle-end/29335
6262         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6263
6264 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6265
6266         * cfgloop.h: Include vec-prim.h.
6267         (enum li_flags): Remove LI_ONLY_OLD.
6268         (loop_iterator): Changed.
6269         (fel_next, fel_init): Iterate over loop tree.
6270         (FOR_EACH_LOOP_BREAK): New macro.
6271         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6272         FOR_EACH_LOOP.
6273         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6274         * modulo-sched.c (sms_schedule): Ditto.
6275         * tree-vectorizer.c (vectorize_loops): Ditto.
6276         * doc/loop.texi: Update information on loop numbering and behavior of
6277         FOR_EACH_LOOP wrto new loops.
6278         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6279         add_to_evolution_1): Test nestedness of loops instead of comparing
6280         their numbers.
6281         * tree-chrec.c (chrec_fold_plus_poly_poly,
6282         chrec_fold_multiply_poly_poly, chrec_evaluate,
6283         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6284         reset_evolution_in_loop): Ditto.
6285         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6286
6287 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6288
6289         * c-common.c (warn_about_parentheses): Separate warning about
6290         un-parenthized sequence of comparison operators from the one
6291         which is supposed to warn about x <= y <= z.
6292
6293 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6294
6295         * optabs.h (enum optab_index): Add new OTI_isinf.
6296         (isinf_optab): Define corresponding macro.
6297         * optabs.c (init_optabs): Initialize isinf_optab.
6298         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6299         patterns.
6300         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6301         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6302         using isinf_optab.
6303         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6304         expand_builtin_interclass_mathfn.
6305         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6306         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6307         (fxam<mode>2_i387): New insn pattern.
6308         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6309         built-in functions as x87 inline asm.
6310
6311 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6312
6313         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6314
6315 2007-01-30  Eric Christopher  <echristo@apple.com>
6316
6317         * config.gcc: Add geode.
6318
6319 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6320
6321         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6322         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6323         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6324         value-prof.c: Fix comment typos.
6325
6326 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6327
6328         PR c++/24745
6329         * doc/invoke.texi (Wpointer-arith): Document warning.
6330
6331 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6332
6333         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6334         the list of discrepancies from the draft TR.
6335
6336 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6337
6338         PR c++/30601
6339         * doc/invoke.texi (-Wreturn-type): Update description to
6340         match new behavior.
6341
6342 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6343
6344         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6345
6346 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6347
6348         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6349         to handle optabs that operate on floating point input argument and
6350         output to integer output.
6351         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6352         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6353         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6354         expand_builtin_interclass_mathfn ().
6355         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6356         (ilogbsi2): Remove.
6357         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6358         ilogbl built-in functions as x87 intrinsics.
6359
6360 2007-01-30  Richard Guenther  <rguenther@suse.de>
6361
6362         PR middle-end/27657
6363         * dwarf2out.c (reference_to_unused): Query varpool if the
6364         variable was output.
6365
6366 2007-01-30  Richard Guenther  <rguenther@suse.de>
6367
6368         PR middle-end/30313
6369         * passes.c (execute_one_pass): Reset in_gimple_form to not
6370         confuse non-unit-at-a-time mode.
6371
6372 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6373             Richard Guenther  <rguenther@suse.de>
6374
6375         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6376         avoid undefined behaviour on overflow.  Use force_fit_type_double
6377         to construct the constant with the specified TREE_OVERFLOW.
6378
6379 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6380
6381         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6382         * config/dfp-bit.h: Ditto.
6383
6384 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6385
6386         * c-decl.c (pop_scope): Replace warnings with call to
6387         warn_for_unused_label.
6388         * c-common.h (warn_for_unused_label): Declare.
6389         * c-common.c (warn_for_unused_label): Define.
6390
6391 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6392
6393         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6394         function.
6395
6396 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6397
6398         * Makefile.in (USER_H): Remove decfloat.h.
6399         * ginclude/decfloat.h: Delete, moving contents to ...
6400         * ginclude/float.h: Add support for decimal floating point,
6401         guarded by __STDC_WANT_DEC_FP__.
6402
6403 2007-01-29  Mike Stump  <mrs@apple.com>
6404
6405         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6406         Analysis and Representation to resolve case insensitive conflict.
6407         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6408
6409 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6410
6411         * tree.h (struct tree_memory_tag): Add aliases member.
6412         (MTAG_ALIASES): New macro.
6413         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6414         (add_may_alias): Remove pointer-set. Update for may_aliases being
6415         a bitmap.
6416         (mark_aliases_call_clobbered): Update for may_aliases being a
6417         bitmap.
6418         (compute_tag_properties): Ditto.
6419         (create_partition_for): Ditto.
6420         (compute_memory_partitions): Ditto.
6421         (dump_may_aliases_for): Ditto.
6422         (is_aliased_with): Ditto.
6423         (add_may_alias_for_new_tag): Ditto.
6424         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6425         (compute_is_aliased): New function.
6426         (compute_may_aliases): Call compute_is_aliased).
6427         (init_alias_info): Initialize alias_bitmap_obstack.
6428         (union_alias_set_into): New function.
6429         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6430         (have_common_aliases_p): Rewrite to take two bitmaps and use
6431         intersection.
6432         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6433         Update for bitmaps.
6434         (finalize_ref_all_pointers): Update for add_may_alias changes.
6435         (new_type_alias): Ditto.
6436         * tree-flow-inline.h (may_aliases): Return a bitmap.
6437         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6438         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6439         may_aliases being a bitmap.
6440         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6441         may_aliases now returns a bitmap.
6442         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6443         being a bitmap.
6444         * tree-ssa-operands.c (add_virtual_operand): Update for
6445         may_aliases being a bitmap.
6446
6447 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6448
6449         PR tree-optimization/30630
6450         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6451         variable as changed.
6452
6453 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6454
6455         PR c++/28266
6456         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6457         expanded only once even if an error occurs.
6458
6459 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6460
6461         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6462         (__gcov_average_profiler): Likewise.
6463         (__gcov_ior_profiler): Likewise.
6464         (__gcov_merge_ior): Likewise.
6465
6466 2007-01-28  Jan Hubicka  <jh@suse.cz>
6467
6468         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6469         * value-prof.c (stringop_block_profile): Likewise.
6470
6471 2007-01-28  Jan Hubicka  <jh@suse.cz>
6472
6473         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6474         variant handling histograms; add wrapper.
6475         (clear_storage_via_libcall): Export.
6476         (emit_block_move_hints): Break out from ...; add histograms.
6477         (emit_block_move): ... this one.
6478         (clear_storage_hints): Break out from ...; add histograms.
6479         (clear_storage): ... this one.
6480         (set_storage_via_memset): Handle histogram.
6481         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6482         (clear_storage_hints, clear_storage_via_libcall): Declare.
6483         (set_storage_via_setmem): Update prototype.
6484         * doc/md.texi (movmem, setmem): Document new arguments.
6485
6486         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6487         new histograms.
6488         (stringop_block_profile): New global function.
6489         (tree_stringops_values_to_profile): Profile block size and alignment.
6490         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6491         HIST_TYPE_IOR.
6492         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6493         (stringop_block_profile): Declare.
6494         * builtins.c: Include value-prof.h.
6495         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6496         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6497         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6498         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6499         * profile.c (instrument_values): Add new counters.
6500         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6501         calls.
6502         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6503         (tree_init_edge_profiler): Build new profilers.
6504         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6505         (pass_tree_profile): Add dump.
6506         (tree_profile_hooks): Update.
6507         * Makefile.in (LIBGCOV): Add new constants.
6508         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6509         __gcov_ior_profiler): New.
6510         * i386.md (movmem/setmem expanders): Add new optional arguments.
6511
6512 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6513
6514         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6515
6516 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6517
6518         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6519         (tree_unswitch_single_loop): Pass eni_size_weights to
6520         tree_num_loop_insns.
6521         * tree-ssa-loop-manip.c: Include tree-inline.h.
6522         (can_unroll_loop_p): Pass eni_size_weights to
6523         tree_num_loop_insns.
6524         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6525         Pass eni_size_weights to estimate_num_insns.
6526         * tree.h (init_inline_once): Export.
6527         * toplev.c (backend_init): Call init_inline_once.
6528         * cgraphunit.c (cgraph_process_new_functions,
6529         cgraph_analyze_function): Pass eni_inlining_weights to
6530         estimate_num_insns.
6531         * ipa-inline.c (compute_inline_parameters): Ditto.
6532         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6533         to estimate_num_insns.
6534         (try_unroll_loop_completely): Pass eni_size_weights to
6535         tree_num_loop_insns.
6536         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6537         ot estimate_num_insns.
6538         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6539         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6540         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6541         eni_time_weights): New variables.
6542         (init_inline_once): Initialize them.
6543         (struct eni_data): Mew.
6544         (estimate_num_insns_1, estimate_num_insns): Use weights.
6545         * tree-inline.h (struct eni_weights_d): New.
6546         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6547         (estimate_num_insns): Declaration changed.
6548         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6549         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6550         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6551
6552 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6553
6554         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6555         relations in the conflict function is valid.
6556
6557 2007-01-27  Ian Lance Taylor  <iant@google.com>
6558
6559         * common.opt: Add fstrict-overflow.
6560         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6561         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6562         (TYPE_OVERFLOW_UNDEFINED): Define.
6563         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6564         Replace all uses.
6565         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6566         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6567         (fold_negate_expr): Likewise.
6568         (make_range): Likewise.
6569         (extract_muldiv_1): Likewise.
6570         (maybe_canonicalize_comparison): Likewise.
6571         (fold_comparison): Likewise.
6572         (fold_binary): Likewise.
6573         (tree_expr_nonnegative_p): Likewise.
6574         (tree_expr_nonzero_p): Likewise.
6575         * tree-vrp.c (compare_values): Likewise.
6576         (extract_range_from_binary_expr): Likewise.
6577         (extract_range_from_unary_expr): Likewise.
6578         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6579         Likewise.
6580         (nowrap_type_p): Likewise.
6581         * tree-scalar-evolution.c (simple_iv): Likewise.
6582         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6583         (build_range_check): Likewise.
6584         (extract_muldiv_1): Likewise.
6585         (fold_comparison): Likewise.
6586         * tree-vrp.c (vrp_int_const_binop): Likewise.
6587         (extract_range_from_unary_expr): Likewise.
6588         * convert.c (convert_to_integer): Likewise.
6589         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6590         (fold_comparison): Likewise.
6591         (fold_binary): Likewise.
6592         * optabs.c (optab_for_tree_code): Likewise.
6593         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6594         * simplify-rtx.c (simplify_const_relational_operation): Check
6595         flag_strict_overflow and flag_trapv.
6596         (simplify_const_relational_operation): Likewise.
6597         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6598         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6599         -fstrict-overflow.
6600
6601 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6602
6603         * tree.c (tree_fold_gcd): Delete.
6604         * tree.h (tree_fold_gcd): Remove prototype.
6605         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6606         test whether one constant integer is a multiple of another.  Instead
6607         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6608         * fold-const.c (multiple_of_p):  We've determined both TOP and
6609         BOTTOM are integer constants so we can call int_const_binop directly
6610         instead of the more generic const_binop.
6611
6612 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6613
6614         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6615         1*X check that the constant hasn't overflowed, to preserve the
6616         TREE_OVERFLOW bit.
6617         (round_up): Provide an efficient implementation when rouding-up an
6618         INTEGER_CST to a power-of-two.
6619
6620 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6621
6622         * doc/sourcebuild.texi: Add comma for clarity.
6623         * doc/extend.texi: Fix some typos.
6624         * doc/passes.texi: Likewise.
6625         * doc/cppinternals.texi: Likewise.
6626         * doc/c-tree.texi: Likewise.
6627         * doc/tree-ssa.texi: Likewise.
6628         * doc/install.texi: Likewise.
6629
6630 2007-01-27  Jan Hubicka  <jh@suse.cz>
6631
6632         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6633         (pass_sra): Do not require alias information.
6634         * passes.c (init_optimization_passes): Add SRA
6635
6636 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6637
6638         * tracer.c (rest_of_handle_tracer): We already cleaned
6639         up the CFG in tracer() so don't do it here again.
6640         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6641         cleanup_cfg here, either.  And don't call renumber_insns.
6642
6643         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6644         and BB_HEAD are in the insn stream here.  Instead make sure
6645         that BB_INSN is valid on all insns.  Also, do check here that
6646         there are no pending branch predictions...
6647         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6648         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6649         here.
6650
6651 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6652
6653         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6654         function to simplify/factorize operand order canonicalization.
6655         (ix86_fixup_binary_operands): Reorganize using the above function.
6656         (ix86_binary_operator_ok): Likewise.
6657
6658 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6659
6660         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6661         file scope from optimize_attrs.
6662         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6663         up search.
6664         (optimize_attrs): Clear insn_code_values after freeing it.
6665
6666 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6667
6668         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6669         a parts.base assignment.
6670
6671 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6672
6673         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6674         (compute_subscript_distance, initialize_data_dependence_relation,
6675         finalize_ddr_dependent, analyze_ziv_subscript,
6676         analyze_siv_subscript_cst_affine,
6677         compute_overlap_steps_for_affine_univar,
6678         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6679         analyze_siv_subscript, analyze_miv_subscript,
6680         analyze_overlapping_iterations, subscript_dependence_tester_1,
6681         compute_self_dependence, free_dependence_relation): Work
6682         with affine_fn instead of chrecs.
6683         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6684         common_affine_function, affine_function_base,
6685         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6686         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6687         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6688         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6689         (all_chrecs_equal_p): Removed.
6690         * tree-data-ref.h (affine_fn, conflict_function): New types.
6691         (struct subscript): Change type of conflicting_iterations_in_a
6692         and conflicting_iterations_in_b.
6693
6694 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6695
6696         PR other/30182
6697         * config/pa/pa.h (TARGET_HPUX_11): New.
6698         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6699         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6700
6701 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6702         Richard Guenther  <rguenther@suse.de>
6703
6704         * tree-ssa-structalias.c (solve_graph): Handle case
6705         we merged the variable to another.
6706
6707 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6708
6709         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6710         functions.
6711
6712         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6713         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6714
6715 2007-01-25  DJ Delorie  <dj@redhat.com>
6716
6717         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6718         allow changes to modes which don't fit in those registers.
6719
6720         * reload1.c (choose_reload_regs): Check for invalid subregs before
6721         computing their locations, not after.
6722
6723 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6724
6725         PR 25127
6726         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6727         save Altivec registers in an eh_return function.
6728         (compute_vrsave_mask): Likewise.
6729         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6730         for saving Altivec registers.
6731         (rs6000_emit_prologue): Don't allocate stack twice in
6732         eh_return function.  Correct expected value of altivec_save_offset
6733         when using save_world.  Describe save of R0 to stack when using
6734         save_world.  Describe stack pointer adjustment when using
6735         save_world.  Remove duplicated eh_return parameter register saving.
6736         Update sp_offset variable after save_world.
6737         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6738         darwin-world.asm.
6739         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6740         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6741         implies Altivec.
6742
6743 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6744
6745         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6746
6747 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6748
6749         PR other/30182
6750         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6751         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6752
6753 2007-01-25  Richard Guenther  <rguenther@suse.de>
6754
6755         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6756         * common.opt (-Wcoverage-mismatch): New warning option.
6757         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6758         if -Wcoverage-mismatch is given.
6759
6760 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6761
6762         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6763         (ipcp_driver): Change to static definition.
6764         Add dumping of the ifunctions.
6765         (constant_val_insert): Remove unused parameter. Support for SSA.
6766         (ipcp_propagate_const): Support for SSA.
6767         (ipcp_profile_bb_print): Print only analyzed nodes.
6768         (ipcp_replace_map_create): Remove support for Fortran constant
6769         for now.
6770         * ipa-prop.c (ipa_method_modify_stmt,
6771         ipa_callsite_compute_param): Support for SSA.
6772         * ipa-prop.h (ipcp_driver): Remove declaration.
6773         (IS_VALID_TREE_MAP_INDEX): Add define.
6774
6775 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6776
6777         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6778
6779 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6780
6781         PR middle-end/30447
6782         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6783         constant argument to cabs and do it without checking for
6784         -funsafe-math-optimizations.
6785
6786 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6787
6788         * c-common.h (RID_FIRST_CXX0X): New.
6789         (RID_LAST_CXX0X): New.
6790         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6791         by -Wall.
6792         * c.opt (Wc++0x-compat): New.
6793         * doc/invoke.texi (-Wc++0x-compat): Document.
6794
6795 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6796
6797         * builtins.c (fold_builtin_carg): New.
6798         (fold_builtin_1): Use it.
6799
6800 2007-01-24  Jan Hubicka  <jh@suse.cz>
6801
6802         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6803
6804         * ipa-inline.c (initial_insns, max_insns): Delete.
6805         (compute_max_insns): New function.
6806         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6807         of insns as base for code growth.
6808         (cgraph_decide_inlining): Make initial_insns local; do not compute
6809         max_insns.
6810         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6811         * doc/invoke.texi (inline-unit-growth): Update docs.
6812
6813 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6814
6815         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6816         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6817         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6818         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6819         for CPUs that have PTA_CX16 set.
6820
6821         PR middle-end/27416
6822         * gimplify.c (omp_check_private): New function.
6823         (gimplify_scan_omp_clauses): Use it for
6824         firstprivate/lastprivate/reduction.
6825
6826         PR middle-end/30494
6827         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6828         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6829
6830         PR middle-end/30421
6831         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6832         If lower_lastprivate_clauses emits some statements, append them
6833         to dlist rather than body_p and to body_p append an initializer.
6834         (lower_omp_for): Adjust caller.
6835
6836 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6837
6838         * target.h (globalize_decl_name): New.
6839         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6840         * output.h (default_globalize_decl_name): New.
6841         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6842         globalize_label.
6843         (globalize_decl): Ditto.
6844         (default_globalize_decl_name): New.
6845         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6846         (ia64_handle_version_id_attribute): New.
6847         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6848         (ia64_asm_output_external): Use globalize_decl_name instead
6849         of globalize_label.
6850         * doc/extend.texi (version_id): New pragma.
6851         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6852
6853 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6854
6855         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6856         _uleb128_t and _Unwind_SWord with _sleb128_t.
6857         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6858         uw_frame_state_for, uw_update_context_1): Likewise.
6859         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6860         * unwind-pe.h (read_uleb128, read_sleb128,
6861         read_encoded_value_with_base): Likewise.
6862         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6863
6864 2007-01-24  Richard Guenther  <rguenther@suse.de>
6865
6866         * builtins.c (expand_builtin_cexpi): Get the fndecl
6867         for cexp in the correct way.
6868
6869 2007-01-24  Jan Hubicka  <jh@suse.cz>
6870
6871         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6872
6873 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6874
6875         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6876         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6877         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6878         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6879         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6880         __SIZEOF_PTRDIFF_T__.
6881         * doc/cpp.texi: Documentation for the new builtin macros added.
6882
6883 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6884
6885         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6886         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6887         instead of operands[2] to avoid access past the end of array.
6888
6889 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6890
6891         * reload1.c (emit_reload_insns): Pass the reload register
6892         for a non-spill output reload through forget_old_reloads_1.
6893
6894 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6895
6896         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6897         _SOFT_DOUBLE if doubles use software floating-point.
6898         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6899         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6900         * config/rs6000/darwin-ldouble.c: Also compile functions for
6901         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6902         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6903         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6904         commented-out long double override.
6905         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6906         * config/rs6000/eabispe.h: Likewise.
6907         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6908         long double for non-SPE.
6909         (rs6000_handle_option): Likewise.
6910         (invalid_e500_subreg): Disallow more subregs involding DImode,
6911         DFmode, TImode or TFmode.
6912         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6913         E500 double.
6914         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6915         double.
6916         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6917         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6918         double.
6919         (rs6000_legitimate_address): Also check for TFmode for E500
6920         double.
6921         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6922         (spe_build_register_parallel): Handle TFmode and TCmode.
6923         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6924         double.
6925         (function_arg): Handle TFmode and TCmode for E500 double.
6926         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6927         in general.
6928         (print_operand): Handle TFmode and TImode for %y.
6929         (rs6000_generate_compare): Handle TFmode comparisons for E500
6930         double.
6931         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6932         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6933         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6934         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6935         TFmode for E500 double.
6936         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6937         (floatsidf2): Enable for E500 double.
6938         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6939         (extenddftf2): Change to extenddftf2_fprs.
6940         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6941         depending on TARGET_E500_DOUBLE.
6942         (extendsftf2): Enable for E500 double.
6943         (trunctfdf2): Enable for E500 double.
6944         (trunctfsf2): Change to trunctfsf2_fprs.
6945         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6946         depending on TARGET_E500_DOUBLE.
6947         (floatsitf2): Enable for E500 double.
6948         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6949         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6950         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6951         (negtf2): Change to negtf2_internal.
6952         (negtf2): New expander.
6953         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6954         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6955         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6956         (movdi_internal32): Use rs6000_nonimmediate_operand.
6957         (unnamed splitter): Likewise.
6958         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6959         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6960         (SPE64TF, DITI): New mode macros.
6961         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6962         modes.
6963         (frob_tf_ti): New.
6964         (frob_<mode>_di_2): New.
6965         (frob_tf_di_8_2): New.
6966         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6967         (frob_ti_tf): New.
6968         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6969         more modes.
6970         (frob_ti_<mode>_8_2): New.
6971         (frob_ti_tf_2): New.
6972         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6973         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6974         TFmode.
6975         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6976         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6977         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6978         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6979         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6980         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6981         tsttflt_gp): New.
6982
6983 2007-01-23  Ian Lance Taylor  <iant@google.com>
6984
6985         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6986         insn-*.o first.
6987         (OBJS-archive): Reformat, alphabetize.
6988         (OBJS): Change out_object_file to OBJS-md.
6989
6990 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
6991
6992         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6993         JUMP_P and CALL_P predicates where applicable.
6994         * config/i386/i386.c: Ditto.
6995         * config/i386/i386.md: Ditto.
6996         * config/i386/mmx.md: Ditto.
6997         * config/i386/predicates.md: Ditto.
6998
6999 2007-01-22  Andreas Schwab  <schwab@suse.de>
7000
7001         * config/m68k/m68k.h: Fix comment.
7002
7003 2007-01-22  Jan Hubicka  <jh@suse.cz>
7004
7005         * passes.c (init_optimization_passes): Do not rerun
7006         pass_early_warn_uninitialized.
7007
7008 2007-01-22  Richard Guenther  <rguenther@suse.de>
7009
7010         PR tree-optimization/30038
7011         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7012         function.
7013         (execute_cse_sincos_1): Likewise.
7014         (execute_cse_sincos): Likewise.
7015         (gate_cse_sincos): Likewise.
7016         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7017         the cexpi() canonicalization of sincos().
7018         * tree-pass.h (pass_cse_sincos): Declare.
7019         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7020
7021 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7022
7023         PR rtl-optimization/29329
7024         * combine.c (replaced_rhs_insn): Rename to i2mod.
7025         (replaced_rhs_value): Rename to i2mod_new_rhs.
7026         (i2mod_old_rhs): New global variable.
7027         (combine_instructions): Adjust for above change.  Save a copy of
7028         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7029         note are substituted in the second instruction.
7030         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7031         ditch the note if it pertains to the second eliminated register
7032         and this register is mentioned in i2mod_old_rhs.
7033
7034         Revert:
7035         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7036
7037         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7038         the insn to which the note was originally attached.
7039
7040 2007-01-21  Jan Hubicka  <jh@suse.cz>
7041
7042         * ipa-inline.c (inlining_mode): Comment, move up.
7043         (cgraph_decide_inlining_incrementally): Do not perform inlining
7044         itself; fix handling of flattening of self recursive functions.
7045         (cgraph_find_cycles): Remove.
7046         (cgraph_flatten_node): Remove.
7047         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7048         (try_inline): New function.
7049         (cgraph_early_inlining): Update call of
7050         cgraph_decide_inlining_incrementally.  Apply inlining here.
7051         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7052
7053 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7054
7055         PR bootstrap/30511
7056         * tree-vrp.c (check_array_bounds): do not warn
7057         about ADDR_EXPR's of ARRAY_REF's which are immediately
7058         used in binary expressions.
7059
7060 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7061
7062         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7063         read_write_dep and macros for its access.
7064         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7065         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7066         argument, call vect_check_interleaving for every independent pair of
7067         data-refs. Mark loads that access the same memory location as a store
7068         in the loop.
7069         (vect_check_dependences): Remove.
7070         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7071         call, fix the call to vect_analyze_data_ref_dependence.
7072         (vect_analyze_data_ref_access): For statements that access the same
7073         data-ref, check that they are not stores; for loads, check that there
7074         is no store that access the same location.
7075
7076 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7077             Joseph Myers  <joseph@codesourcery.com>
7078
7079         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7080         (-fdump-rtl-stack): Likewise.
7081         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7082         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7083         (-mpt-fixed): Use @minus{} for minus sign.
7084         (Using Precompiled Headers): Fix under/overfull hbox.
7085
7086 2007-01-20  Jan Hubicka  <jh@suse.cz>
7087
7088         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7089         place within annotation.
7090
7091 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7092
7093         * pa.c (output_move_double): Change array size of xoperands to 4.
7094
7095 2007-01-20  Jan Hubicka  <jh@suse.cz>
7096
7097         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7098         as temporary.
7099
7100 2007-01-19  Ian Lance Taylor  <iant@google.com>
7101
7102         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7103         constant to unsigned HOST_WIDE_INT before negating.
7104
7105 2007-01-19  Ian Lance Taylor  <iant@google.com>
7106
7107         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7108         to unsigned.
7109         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7110         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7111         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7112         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7113         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7114         (realloc_vdef, realloc_vuse): Change second parameter to
7115         unsigned.
7116         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7117         fields to unsigned.
7118         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7119         unsigned. Change x and lim locals to unsigned.
7120         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7121         unsigned.
7122         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7123         (copy_virtual_operands): Change i and n locals to unsigned.
7124
7125 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7126
7127         PR middle-end/29335
7128         * builtins.c (fold_builtin_1): Handle builtin fdim.
7129
7130 2007-01-20  Jan Hubicka  <jh@suse.cz>
7131
7132         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7133         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7134         init_alias_heapvars.
7135         (init_alias_heapvars): Initialize only when not already initialized.
7136         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7137
7138 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7139
7140         * common.opt (fsigned-zeros): New command line option.
7141         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7142         of flag_unsafe_math_optimizations.
7143         * opts.c (set_fast_math_flags): The -ffast-math command line option
7144         implies -fno-signed-zeros.
7145         (fast_math_flags_set_p): Likewise.
7146
7147         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7148         the documentation of -ffast-math appropriately.  Wrap long lines.
7149
7150 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7151
7152         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7153         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7154
7155 2007-01-19  Tomas Bily  <tbily@suse.cz>
7156
7157         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7158         * tree-profile.c:
7159         (tree_init_ic_make_global_vars): New function
7160         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7161         (tree_gen_ic_profiler): New function
7162         (tree_gen_ic_func_profiler): New function
7163         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7164         (tree_profile_hooks): Added hook for indirec/virtual calls
7165         * value-prof.c (tree_find_values_to_profile): New case for
7166         indirect calls
7167         (tree_values_to_profile): Call for determining indirect/virtual
7168         counters
7169         (tree_indirect_call_to_profile): New function
7170         (tree_ic_transform): New function
7171         (tree_ic): New function
7172         (find_func_by_pid): New function
7173         (init_pid_map): New function
7174         (tree_value_profile_transformations): Added check for
7175         indirect/virtual call transformation
7176         * value-prof.h (enum hist_type): New counter type for
7177         indirect/virtual calls
7178         (profile_hooks): Added new hook for profiling indirect/virtual
7179         calls
7180         * profile.c (instrument_values): New case for indirect/virtual
7181         call added
7182         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7183         (GCOV_COUNTER_V_INDIR): New counter type
7184         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7185         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7186         call added
7187         * cgraph.c: Definition of cgraph_max_pid
7188         (cgraph_create_node): Default init of pid attribute
7189         * cgraph.h: Declaration of cgraph_max_pid
7190         (struct cgraph_node): Added pid attribute
7191         * libgcov.c (__gcov_indirect_call_profiler): New function
7192         (__gcov_one_value_profiler_body): New function
7193         (__gcov_one_value_profiler): Body was moved to
7194         __gcov_one_value_profiler_body and calls it
7195
7196 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7197
7198         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7199         * gengtype.c (write_types_data, write_func_for_structure,
7200         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7201         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7202         (walk_type, write_func_for_structure): Generate the mark_hook if
7203         needed.
7204
7205 2007-01-19  Jan Hubicka  <jh@suse.cz>
7206
7207         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7208         'early' argument take inlining mode argument specifying whether to
7209         inline for size/speeed or all functions; add support for flattening;
7210         improve dumpting.
7211         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7212
7213 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7214
7215         PR c++/17947
7216         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7217         the name of the declared identifier.
7218
7219 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7220
7221         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7222         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7223         duplicate evaluation.
7224
7225 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7226
7227         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7228         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7229         to XFMode, use acosxf2 and truncate result to requested mode.
7230         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7231         (asin<mode>2): Similarly, with asin expanders.
7232         (*fscalexf4_i387): Rename from *fscalexf4.
7233         (expNcorexf3): New expander.
7234         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7235         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7236         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7237         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7238         patterns for SSE math.
7239         (exp10<mode>2): Similarly, with exp10 expanders.
7240         (exp2<mode>2): Similarly, with exp2 expanders.
7241         (expm1<mode>2): Similarly, with expm1 expanders.
7242         (ldexp<mode>3): Similarly, with ldexp expanders.
7243         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7244         Use gen_truncxf<mode>2_i387_noop to truncate result.
7245
7246 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7247
7248         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7249         for ColdFire targets.
7250
7251 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7252             Richard Sandiford  <richard@codesourcery.com>
7253
7254         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7255         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7256         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7257         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7258         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7259         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7260
7261 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7262
7263         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7264         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7265         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7266         (*adddi_dilshr32_cf): New pattern.
7267         (adddi3, subdi3): Remove first alternatives.
7268
7269 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7270
7271         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7272         implemented using move.l, do not use its cc result for floating-point
7273         comparisons.
7274
7275 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7276
7277         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7278         from accepting 's' constraints if flag_pic.
7279
7280 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7281
7282         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7283         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7284         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7285         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7286
7287 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7288
7289         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7290         ColdFire alternatives.
7291         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7292         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7293         architectures that support ff1 instruction.
7294
7295 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7296             Julian Brown  <julian@codesourcery.com>
7297
7298         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7299         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7300         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7301         Add commentary.
7302
7303 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7304
7305         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7306         and return a bool.
7307         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7308         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7309         HOST_WIDE_INT instead of an rtx.
7310         (m68k_rtx_costs): Update call accordingly.
7311         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7312         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7313         Return a bool.
7314         (output_move_simode_const): Update calls after above changes.
7315         Rework to use automatic variables and predicates like MEM_P.
7316         * config/m68k/m68k.md (pushexthisi_const): Update call to
7317         valid_mov3q_const.
7318
7319 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7320
7321         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7322         in dump_flags test.
7323
7324 2007-01-19  Richard Guenther  <rguenther@suse.de>
7325
7326         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7327         via cexp in case sincos is not available.
7328
7329 2007-01-19  Richard Guenther  <rguenther@suse.de>
7330
7331         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7332         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7333         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7334         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7335         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7336         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7337         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7338         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7339
7340 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7341
7342         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7343         New insn patterns.
7344         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7345         (atan2xf3): Directly generate RTL pattern.
7346         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7347         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7348         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7349         disable patterns for SSE math.
7350         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7351         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7352         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7353         disable patterns for SSE math.
7354
7355 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7356
7357         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7358
7359 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7360
7361         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7362         VIEW_CONVERT_EXPR to the same type as it's operand.
7363
7364 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7365
7366         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7367         configured for long double 128.
7368
7369 2007-01-18  Mike Stump  <mrs@apple.com>
7370
7371         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7372         error.
7373
7374 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7375
7376         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7377         type correct.
7378
7379 2007-01-18  Jan Hubicka  <jh@suse.cz>
7380
7381         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7382         greater than NUM_VOP_FREE_BUCKETS.
7383
7384 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7385
7386         * tree-ssa-structalias.c: Update comments.
7387         (ptabitmap_obstack): Removed.
7388         (pta_obstack): New.
7389         (oldpta_obstack): Ditto.
7390         (stats): Add a few members.
7391         (struct variable_info): Remove node, complex, address_taken, and
7392         indirect_target members. Add oldsolution member.
7393         (new_var_info): Do not initialize removed members.
7394         (constraint_expr_type): Remove INCLUDES.
7395         (constraint_graph): Add size, implicit_preds, rep,
7396         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7397         (FIRST_REF_NODE): New macro.
7398         (LAST_REF_NODE): Ditto.
7399         (FIRST_ADDR_NODE): Ditto.
7400         (find): New function.
7401         (unite): Ditto.
7402         (dump_constraint): Do not handle INCLUDES.
7403         (insert_into_complex): Do not insert duplicate constraints.
7404         (condense_varmap_nodes): Renamed and rewritten into ...
7405         (merge_node_constraints): This. Also fix bug in handling of
7406         offseted copy constraints.
7407         (clear_edges_for_node): No longer need to deal with preds at all,
7408         or removing associated preds/succs.
7409         (merge_graph_nodes): Deal with indirect_cycles.
7410         Don't deal with predecessors.
7411         (add_implicit_graph_edge): New function.
7412         (add_pred_graph_edge): Ditto.
7413         (add_graph_edge): Don't deal with predecessors.
7414         (build_constraint_graph): Removed.
7415         (build_pred_graph): New function.
7416         (build_succ_graph): Ditto.
7417         (struct scc_info): Removed in_component. Added roots, dfs, and
7418         node_mapping. Remove visited_index, unification_queue.
7419         (scc_visit): Deal with union-find we do now.
7420         Deal with cycles with REF nodes.
7421         (collapse_nodes): Renamed and rewritten to ...
7422         (unify_nodes): This.
7423         (process_unification_queue): Removed.
7424         (topo_visit): Cleanup
7425         (do_da_constraint): Use find.
7426         (do_sd_constraint): Ditto.
7427         (do_ds_constraint): Ditto.
7428         (do_complex_constraint): Ditto.
7429         (init_scc_info): Update for removed and added members.
7430         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7431         (find_indirect_cycles): This.
7432         (equivalence_class): New variable.
7433         (label_visit): New function.
7434         (perform_variable_substitution): Rewritten.
7435         (free_var_substitution_info): New function.
7436         (find_equivalent_node): Ditto.
7437         (move_complex_constraints): Ditto.
7438         (eliminate_indirect_cycles): Ditto.
7439         (solve_graph): Only propagate changed bits.
7440         Use indirect cycle elimination.
7441         Use find.
7442         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7443         (tree_id_eq): Renamed to ...
7444         (tree_vi_eq): This. Update for member change
7445         (insert_id_for_tree): Renamed and rewritten to ...
7446         (insert_vi_for_tree): This.
7447         (lookup_id_for_tree): Renamed and rewritten to ...
7448         (lookup_vi_for_tree): This.
7449         (get_id_for_tree): Renamed and rewritten to ...
7450         (get_vi_for_tree): Ditto.
7451         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7452         (process_constraint): Don't handle INCLUDES.
7453         Remove special ADDRESSOF case.
7454         (find_func_aliases): Rewrite to use vi functions instead of id
7455         ones.
7456         (create_function_info_for): Ditto.
7457         (create_variable_info_for): Ditto.
7458         (intra_create_variable_infos): Ditto.
7459         (merge_smts_into): Ditto.
7460         (find_what_p_points_to): Ditto.
7461         (init_base_vars): Ditto.
7462         (init_alias_vars): Ditto.
7463         (remove_preds_and_fake_succs): New function.
7464         (dump_sa_points_to_info): Dump new stats.
7465         (dump_solution_for_var): Use find.
7466         (set_used_smts): Fix formatting.
7467         (compute_points_to_sets): Updated for new functions.
7468         (ipa_pta_execute): Ditto.
7469
7470 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7471             Richard Sandiford  <richard@codesourcery.com>
7472
7473         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7474         parallels.
7475         * calls.c (expand_call): If the return value is a PARALLEL,
7476         extract its first member.
7477         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7478         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7479         use FUNCTION_EXTRA_EPILOGUE.
7480         (m68k_function_value): Return a PARALLEL if the return value
7481         is of a pointer type.
7482         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7483         (FUNCTION_EXTRA_EPILOGUE): Remove.
7484         * config/m68k/m68k.md (D0_REG): New constant.
7485
7486 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7487
7488         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7489         output a NOP for empty epilogues.
7490
7491 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7492
7493         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7494         before function.  Extend register save check to include all
7495         registers, not just integer ones.
7496
7497 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7498
7499         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7500         (m68k_use_return_insn): ...this.
7501         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7502         * config/m68k/m68k.c (use_return_insn): Rename to...
7503         (m68k_use_return_insn): ...this.
7504         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7505         of USE_RETURN_INSN.
7506
7507 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7508
7509         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7510         nearest even, fix denormal rounding overflow.
7511
7512 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7513
7514         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7515         f%$smove and f%$move.
7516         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7517         (extendsfdf2_cf): Use fdmove instead of f%&move.
7518         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7519         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7520
7521 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7522
7523         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7524         GPR<-GPR moves.
7525
7526 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7527
7528         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7529         (coldfire_single_format): Declare.
7530         (coldfire_double_format): Likewise.
7531         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7532         of qnan_msb_set to determine the lower bits of a canonical
7533         NaN significand.
7534         (encode_ieee_double): Likewise.
7535         (encode_ieee_quad): Likewise.
7536         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7537         (mips_single_format): Likewise.
7538         (ieee_double_format): Likewise.
7539         (mips_double_format): Likewise.
7540         (ieee_extended_motorola_format): Likewise.
7541         (ieee_extended_intel_96_format): Likewise.
7542         (ieee_extended_intel_128_format): Likewise.
7543         (ieee_extended_intel_96_round_53_format): Likewise.
7544         (ibm_extended_format): Likewise.
7545         (mips_extended_format): Likewise.
7546         (ieee_quad_format): Likewise.
7547         (mips_quad_format): Likewise.
7548         (vax_f_format): Likewise.
7549         (vax_d_format): Likewise.
7550         (vax_g_format): Likewise.
7551         (i370_single_format): Likewise.
7552         (i370_double_format): Likewise.
7553         (decimal_single_format): Likewise.
7554         (decimal_double_format): Likewise.
7555         (decimal_quad_format): Likewise.
7556         (c4x_single_format): Likewise.
7557         (c4x_extended_format): Likewise.
7558         (real_internal_format): Likewise.
7559         (coldfire_single_format): New real_format.
7560         (coldfire_double_format): Likewise.
7561         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7562         canonical_nan_lsbs_set.
7563         (pdp11_d_format): Likewise.
7564         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7565         if TARGET_COLDFIRE_CPU.
7566
7567 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7568
7569         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7570         (output_call, m68k_legitimize_call_address): Declare.
7571         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7572         parenthesees.  Add support for a 'W' constraint.
7573         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7574         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7575         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7576         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7577         variables.
7578         (override_options): Initialize them.  Do not set flag_no_function_cse
7579         for TARGET_ID_SHARED_LIBRARY.
7580         (m68k_output_pic_call): Delete.
7581         (m68k_legitimize_call_address): New function.
7582         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7583         (output_call): New function.
7584         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7585         target address from the GOT if symbolic jumps are not allowed.
7586         * config/m68k/m68k.md (call, general_operand): Do not set
7587         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7588         Merge separate flag_pic and !flag_pic define_insns into...
7589         (*call, *call_value): ...these new patterns.  Match the address
7590         rather than the containing MEM and require it to be a call_operand.
7591         Use output_call to generate the asm template.
7592         * config/m68k/predicates.md (const_call_operand): New predicate.
7593         (call_operand): Likewise.
7594
7595 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7596
7597         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7598         (STACK_GROWS_DOWNWARD): Define to 1.
7599         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7600         comments, emphasizing that these values are only defaults.
7601         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7602         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7603
7604 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7605
7606         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7607
7608 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7609             Richard Sandiford  <richard@codesourcery.com>
7610
7611         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7612         (FP_REGNO_P): New macros.
7613         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7614         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7615         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7616         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7617
7618 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7619
7620         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7621         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7622         to $tmake_file.
7623         * config/m68k/t-floatlib: New file, extracting common code from...
7624         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7625         * config/m68k/t-uclinux: Here.
7626         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7627         routines on ColdFire targets.
7628
7629 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7630
7631         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7632         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7633         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7634         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7635         explicitly set MOTOROLA to 1.
7636         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7637
7638 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7639             Nathan Sidwell  <nathan@codesourcery.com>
7640
7641         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7642         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7643         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7644         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7645         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7646         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7647         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7648         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7649         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7650         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7651         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7652         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7653         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7654         (DBX_REGISTER_NUMBER): Delete.
7655         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7656         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7657         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7658
7659 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7660
7661         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7662         * config/flat.h: New file.
7663         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7664         OBJECT_FORMAT_FLAT.
7665         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7666         indirect references for -msep-data or -mid-shared-library.
7667         Do not use PC-relative code addresses either.
7668         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7669         to -mpcrel.
7670         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7671         for shared libraries and crt1.o for executables.  Use crti.o and
7672         crtbegin.o.
7673         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7674         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7675         Do not add -elf2flt or -shared-lib-id options here.
7676         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7677         Pass -shared-lib-id if -mid-shared-library, taking the library
7678         identifier from -mshared-library-id if given, otherwise
7679         defaulting to 0.
7680         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7681         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7682         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7683         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7684         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7685         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7686         and crtend.o.
7687         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7688         jump sequence for ISA A and ISA A+.
7689         (PICJUMP): Likewise.
7690
7691 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7692
7693         * config.gcc (m68k-*-uclinux*): Base the port on the common
7694         and m68k GNU/Linux files rather than on the generic ELF ones.
7695         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7696         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7697
7698 2007-01-18  Julian Brown  <julian@codesourcery.com>
7699             Richard Sandiford  <richard@codesourcery.com>
7700
7701         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7702         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7703         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7704         before redefining.
7705         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7706         80 unconditionally.
7707         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7708
7709 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7710
7711         * doc/install.texi: Document m68k-uclinuxoldabi.
7712         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7713         * config/m68k/uclinux-oldabi.h: New file, copied from
7714         config/m68k/uclinux.h.
7715
7716 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7717
7718         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7719         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7720         (m32r_compute_frame_size): Use unsigned for regno.
7721         (m32r_reload_lr): Use gen_frame_mem.
7722         (pop): New.
7723         (m32r_output_function_epilogue): Don't output the function epilogue
7724         textually here.
7725         (m32r_expand_epilogue): New.
7726         (direct_return): Return false if the function has the interrupt
7727         attribute.
7728         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7729         * config/m32r/m32r.md (epilogue): New expander.
7730         (return_lr, return_rte): New insns.
7731         (return): Make it expander.
7732         (return_normal): New expander.
7733
7734 2007-01-18  Josh Conner  <jconner@apple.com>
7735
7736         PR target/30485
7737         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7738         support for UNLE, UNLT, UNGE, and UNGT.
7739
7740 2007-01-18  Jan Hubicka  <jh@suse.cz>
7741
7742         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7743         * tree-tailcall (add_virtual_phis): Likewise.
7744         (optimize_tail_call): Return TODOs.
7745         (execute_tail_calls): Return TODOs.
7746         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7747         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7748         changed.
7749         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7750         Cleanup cfg using TODO.
7751         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7752         * passes.c (execute_function_todo): When cleanup did something, remove
7753         unused locals.
7754         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7755         (make_edges): Don't cleanup_cfg.
7756
7757 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7758
7759         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7760         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7761         operate on the top of stack.
7762         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7763         register handling of instructions that output to the second
7764         stack slot.
7765         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7766         (move_for_stack_reg): Special-case check for dead destination
7767         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7768
7769         * config/i386/i386.md (UNSPEC_TAN): New constant.
7770         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7771         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7772         to correctly model move of constant 1.0 to top stack slot.
7773         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7774         (unnamed peephole2 pattern): Remove corresponding peephole2
7775         pattern that optimizes tan insn and loading of constant 1.0.
7776         (tanxf2): Use fptanxf4_i387.
7777         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7778         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7779         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7780         disable patterns for SSE math.
7781         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7782         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7783
7784 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7785             Richard Guenther <rguenther@suse.de>
7786
7787         PR diagnostic/8268
7788         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7789         * common.opt (Warray-bounds): Add new warning option.
7790         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7791         if -Wall is given.
7792         * Makefile.in: make tree-vrp.o depend on toplev.h
7793         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7794         is enabled.
7795         (check_array_refs, check_array_bounds, check_array_ref): New.
7796
7797 2007-01-18  Jan Hubicka  <jh@suse.cz>
7798
7799         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7800         (execute_ssa_ccp): Return flags conditionally.
7801         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7802         changed.
7803         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7804
7805 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7806
7807         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7808         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7809
7810         * Makefile.c (GTFILES): Add cfglayout.h.
7811         * gengtype.c (open_base_files): Likewise.
7812         * cfglayout.c (cfg_layout_function_footer,
7813         cfg_layout_function_header) Reindent to make gengtype happy.
7814         * cfglayout.h (cfg_layout_function_footer,
7815         cfg_layout_function_header): Add GTY(()) marker.
7816
7817         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7818
7819 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7820
7821         * genautomata.c (write_automata): Include xstrerror output in the
7822         error message if writing the DFA description file fails.
7823
7824 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7825
7826         * config/mips/mips-protos.h (mips_output_external): Make it
7827         return void.
7828         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7829         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7830         (extern_list): Likewise.
7831         (extern_head): Likewise.
7832         (TARGET_ASM_FILE_END): Likewise.
7833         (mips_file_end): Likewise.
7834         (mips_output_external): Rewritten.
7835
7836 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7837
7838         * genpreds.c (write_insn_preds_c): Only write out the function
7839         body for regclass_for_constraint if we have register constraints.
7840
7841 2007-01-17  Tom Tromey  <tromey@redhat.com>
7842
7843         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7844         * doc/install.texi (Testing): Use sourceware.org.
7845         (Binaries): Likewise.
7846         (Specific): Likewise.
7847         * doc/contrib.texi (Contributors): Use sourceware.org.
7848
7849 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7850
7851         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7852         (AVR_ENHANCED): Rename to ...
7853         (AVR_HAVE_MUL): ... new.
7854         (avr_enhanced_p): Rename to ...
7855         (avr_have_mul_p): ... new.
7856         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7857         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7858         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7859         (avr_have_mul_p): ... new.
7860         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7861         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7862         'avr_enhanced_p' and 'enhanced'.
7863         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7864         AVR_HAVE_MUL instead of AVR_ENHANCED.
7865         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7866         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7867         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7868         instead of AVR_ENHANCED.
7869         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7870         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7871         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7872
7873 2007-01-17  Ian Lance Taylor  <iant@google.com>
7874
7875         * vec.h (VEC_reserve_exact): Define.
7876         (vec_gc_p_reserve_exact): Declare.
7877         (vec_gc_o_reserve_exact): Declare.
7878         (vec_heap_p_reserve_exact): Declare.
7879         (vec_heap_o_reserve_exact): Declare.
7880         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7881         versions.
7882         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7883         negative parameter.
7884         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7885         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7886         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7887         * vec.c (calculate_allocation): Add exact parameter.  Change all
7888         callers.
7889         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7890         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7891         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7892         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7893         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7894         (vec_heap_p_reserve_exact): New function.
7895         (vec_heap_o_reserve_exact): New function.
7896
7897 2007-01-17  Jan Hubicka  <jh@suse.cz>
7898
7899         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7900
7901 2007-01-17  Eric Christopher  <echristo@apple.com>
7902
7903         * config.gcc: Support core2 processor.
7904
7905 2007-01-16  Jan Hubicka  <jh@suse.cz>
7906
7907         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7908         the names, just unlink the chain so we don't crash on dangling pointers
7909         to dead SSA names.
7910
7911 2007-01-16  Jan Hubicka  <jh@suse.cz>
7912
7913         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7914         * tree-pass.h: Reorder to make IPA passes appear toegher.
7915         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7916         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7917         parameters, do not call early inliner.
7918         * ipa-inline.c: Update comments.  Include tree-flow.h
7919         (cgraph_decide_inlining): Do not compute inlining parameters.
7920         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7921         be called with function context set up.
7922         (pass_ipa_inline): Remove unreachable functions before pass.
7923         (cgraph_early_inlining): Simplify assuming to be called from the
7924         PM as local pass.
7925         (pass_early_inline): New pass.
7926         (cgraph_gate_ipa_early_inlining): New gate.
7927         (pass_ipa_early_inline): Turn into simple wrapper.
7928         (compute_inline_parameters): New function.
7929         (gate_inline_passes): New gate.
7930         (pass_inline_parameters): New pass.
7931         (apply_inline): Move here from tree-optimize.c
7932         (pass_apply_inline): New pass.
7933         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7934         transforming.
7935         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7936         doing them by hand.
7937         (tree_function_versioning): Do not allocate dummy struct function.
7938         * tree-inline.h (optimize_inline_calls): Update prototype.
7939         * tree-optimize.c (execute_fixup_cfg): Export.
7940         (pass_fixup_cfg): Remove
7941         (tree_rest_of_compilation): Do not apply inlines.
7942         * tree-flow.h (execute_fixup_cfg): Declare.
7943         * Makefile.in (gt-passes.c): New.
7944         * passes.c: Include gt-passes.h
7945         (init_optimization_passes): New passes.
7946         (nnodes, order): New static vars.
7947         (do_per_function_toporder): New function.
7948         (execute_one_pass): Dump current pass here.
7949         (execute_ipa_pass_list): Don't dump current pass here.
7950
7951 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7952
7953         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7954         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7955
7956 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7957
7958         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7959         (strong_alias): Define.
7960         (__gcc_qmul): Provide non-FMA for soft-float.
7961         (__gcc_qdiv): Same.
7962         (__gcc_qneg): New.
7963         (__gcc_qeq): New.
7964         (__gcc_qle): New.
7965         (__gcc_qge): New.
7966         (__gcc_qunord): New.
7967         (__gcc_stoq): New.
7968         (__gcc_dtoq): New.
7969         (__gcc_qtos): New.
7970         (__gcc_qtod): New.
7971         (__gcc_qtoi): New.
7972         (__gcc_qtou): New.
7973         (__gcc_itoq): New.
7974         (__gcc_utoq): New.
7975         (fmsub): New.
7976         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7977         soft-float functions.
7978         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7979         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7980         about long double soft float.
7981
7982 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
7983             Tehila Meyzels  <tehila@il.ibm.com>
7984
7985         * tree-vectorizer.h (is_pattern_stmt_p): New.
7986         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7987         formatting (tabs instead of spaces). Cleanup and clarify setting
7988         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7989         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7990         (vectorizable_type_demotion): Check that types are integral.
7991         (vectorizable_type_promotion): Likewise.
7992         (vectorizable_store): Fix typo.  Eliminate new-line at end of
7993         comments.
7994
7995 2007-01-16  Jan Hubicka  <jh@suse.cz>
7996
7997         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7998         cgraph edges too.
7999
8000 2007-01-15  Eric Christopher  <echristo@apple.com>
8001
8002         * ifcvt.c: Include vec.h, vecprim.h.
8003         (check_cond_move_block): New argument regs.
8004         Reorganize. Add registers used to regs.
8005         (cond_move_process_if_block): Use regs set above as
8006         loop bounds.
8007
8008 2007-01-15  Eric Christopher  <echristo@apple.com>
8009
8010         * config/darwin.h: Update copyright.
8011         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8012         (LINK_COMMAND_SPEC): Add -u.
8013         (LINK_SPEC): Fix umbrella for above.
8014
8015 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8016
8017         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8018         glibc CVS.
8019
8020 2007-01-15  Tom Tromey  <tromey@redhat.com>
8021
8022         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8023         * doc/install.texi (Testing): Don't mention jacks.
8024         (Configuration): Document --enable-java-maintainer-mode.  Move
8025         --with-java-home to libgcj-specific section.  Document
8026         --with-ecj-jar.
8027         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8028
8029 2007-01-15  Jan Hubicka  <jh@suse.cz>
8030
8031         * tree-ssa-dce.c (DCE_TODOs): New.
8032         (propagate_necessity): Return if something changed.
8033         (eliminate_unnecessary_stmts): Likewise.
8034         (perform_tree_ssa_dce): Return TODO flags when needed.
8035         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8036
8037 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8038
8039         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8040         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8041         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8042         patterns using X87MODEF12 mode macro.  Extend operand 1
8043         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8044         (log10<mode>2): Ditto.
8045         (log2<mode>2): Ditto.
8046         (log1p<mode>2): Ditto.
8047         (logb<mode>2): Ditto.
8048         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8049         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8050         (*fxtractxf3_i387): Rename from *fxtractxf3.
8051         (fxtract_extend<mode>xf3_i387): New insn pattern.
8052         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8053         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8054         and gen_fyl2xxf3_i387().
8055
8056 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8057
8058         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8059         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8060         get_loop_exit_edges.  Changed return type to bool.
8061         * cfgloop.h (fix_loop_placement): Declaration removed.
8062
8063 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8064
8065         * param.h (MIN_VECT_LOOP_BOUND): New.
8066         * params.def (MIN_VECT_LOOP_BOUND): New.
8067         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8068         argument - minimum threshold for number of iterations.
8069         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8070         argument to declaration.
8071         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8072         MIN_VECT_LOOP_BOUND.
8073         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8074         slpeel_tree_peel_loop_to_edge with additional argument.
8075         (vect_do_peeling_for_alignment): Likewise.
8076         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8077
8078 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8079
8080         PR target/30413
8081         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8082         operands of size 1.
8083
8084 2007-01-14  Jan Hubicka  <jh@suse.cz>
8085
8086         * tree-dfa.c (remove_referenced_var): New function.
8087         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8088         prune referenced vars list too.
8089         * tree-flow.h (remove_referenced_var): Declare.
8090
8091 2007-01-14  Jan Hubicka  <jh@suse.cz>
8092
8093         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8094         separately.
8095         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8096         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8097         * except.h (verify_eh_throw_table_statements): Kill prototype.
8098         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8099         into call exrepssions.
8100         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8101         eh trhow verifier.
8102         * tree-cfg.c: Include pointer-set.h.
8103         (verify_node_sharing): Work on pointer set.
8104         (verify_eh_throw_stmt_node): New.
8105         (verify_stmts): Use pointers sets, verify throw_stmt.
8106
8107 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8108
8109         * ipa-reference.c (analyze_function): Consider also addresses taken
8110         in phi nodes.
8111
8112 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8113
8114         * c-typeck.c (null_pointer_constant_p): Replace use of
8115         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8116         (build_c_cast): Likewise.
8117
8118 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8119
8120         * tree.h (force_fit_type_double): Remove unused final argument.
8121         * c-common.c (constant_expression_warning): Replace use of
8122         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8123         (convert_and_check): Likewise.
8124         (shorten_compare): Update call to force_fit_type_double.
8125         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8126         * convert.c (convert_to_pointer): Update call to
8127         force_fit_type_double.
8128         * fold-const.c (force_fit_type_double): Remove overflowed_const
8129         argument.
8130         (int_const_binop, fold_convert_const_int_from_int,
8131         fold_convert_const_int_from_real, fold_div_compare,
8132         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8133         fold_abs_const, fold_not_const): Remove the final argument from
8134         calls to force_fit_type_double.
8135
8136 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8137
8138         * configure.ac: Set insn to "nop" for spu-*-* also.
8139         * configure: Regenerate.
8140
8141 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8142
8143         * builtins.def : Add BUILT_IN_FREE.
8144
8145 2007-01-12  Jan Hubicka  <jh@suse.cz>
8146
8147         PR tree-optimization/30443
8148         * tree-inline.c (tree_function_versioning): Do not optimize when
8149         cloning for inlining.
8150
8151 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8152
8153         * doc/loop.texi: Document recording of loop exits.
8154         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8155         (update_single_exits_after_duplication,
8156         update_single_exit_for_duplicated_loop,
8157         update_single_exit_for_duplicated_loops): Removed.
8158         (duplicate_loop_to_header_edge): Do not call
8159         update_single_exits_after_duplication and
8160         update_single_exit_for_duplicated_loops.
8161         (loop_version): Do not update single_exit information.
8162         (fix_loop_structure): Use record_loop_exits instead of
8163         mark_single_exit_loops.
8164         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8165         the lists of loop exits.
8166         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8167         split_edge, merge_blocks): Update the lists of loop exits.
8168         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8169         loop_optimizer_init.
8170         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8171         of mark_single_exit_loops.
8172         (loop_optimizer_finalize): Call release_recorded_exits.
8173         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8174         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8175         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8176         update single exit information.
8177         * lambda-code.c (perfect_nestify): Ditto.
8178         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8179         (mark_single_exit_loops): Removed.
8180         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8181         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8182         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8183         functions.
8184         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8185         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8186         (verify_loop_structure): Verify consistency of the exit lists.
8187         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8188         (set_single_exit): Removed.
8189         * cfgloop.h (struct loop_exit): New function.
8190         (struct loop): single_exit_ field replaced by exits field.
8191         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8192         (struct loops): Added exits hash.
8193         (mark_single_exit_loops, set_single_exit): Declaration removed.
8194         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8195
8196 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8197
8198         * doc/invoke.texi: Avoid use of @headitem.
8199
8200 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8201
8202         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8203
8204 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8205
8206         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8207         list of targets.
8208
8209 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8210             Richard Sandiford  <richard@codesourcery.com>
8211
8212         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8213         * config/m68k/m68k.opt: Resort options.
8214         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8215
8216 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8217             Richard Sandiford  <richard@codesourcery.com>
8218
8219         * doc/invoke.texi: Document the macros that are defined by
8220         m68k's -mtune and -mhard-float options.
8221         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8222         (m68k_cpp_cpu_family): Likewise.
8223         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8224         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8225         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8226         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8227         (m68k_cpp_cpu_family): Likewise.
8228
8229 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8230
8231         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8232         macros besides mc68000 as tuning macros.  Use a switch statement
8233         to set them and mcpu32.
8234
8235 2007-01-12  Julian Brown  <julian@codesourcery.com>
8236
8237         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8238         (TARGET_68040_ONLY): Rename to...
8239         (TARGET_68040): ...this.
8240         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8241         * config/m68k/m68k.md: Likewise.
8242
8243 2007-01-12  Julian Brown  <julian@codesourcery.com>
8244             Nathan Sidwell  <nathan@codesourcery.com>
8245             Richard Sandiford  <richard@codesourcery.com>
8246
8247         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8248         the -mcpu= argument associated with the --with-cpu setting.
8249         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8250         if different from the one implied by the -mcpu setting.
8251         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8252         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8253         * doc/invoke.texi: Mention ColdFire in the introduction to the
8254         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8255         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8256         -mhard-float.  Document the previously-undocumented -m5206e,
8257         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8258         documentation for consistency.
8259         * doc/install.texi: Mention new --with-cpu arguments.
8260         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8261         default CPU if neither -mcpu nor -march are specified.
8262         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8263         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8264         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8265         using m68k_tune to decide between families that implement the
8266         same ISA.  Use m68k_tune to set __mcfv4e__.
8267         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8268         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8269         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8270         (FL_ISA_C, FL_ISA_MMU): New macros.
8271         (MASK_COLDFIRE): Delete.
8272         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8273         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8274         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8275         (TARGET_HARD_FLOAT): Do not define here.
8276         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8277         (TUNE_68000): New macro.
8278         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8279         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8280         (TUNE_CFV2): Redefine in terms of m68k_tune.
8281         (uarch_type, target_device, fpu_type): New enums.
8282         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8283         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8284         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8285         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8286         (FL_FOR_isa_c): New macros.
8287         (m68k_isa): New enum.
8288         (m68k_target_selection): New structure.
8289         (all_devices, all_isas, all_microarchs): New tables.
8290         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8291         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8292         (MASK_ALL_CPU_BITS): Delete.
8293         (m68k_find_selection): New function.
8294         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8295         Map the legacy target options to a combination of the new ones.
8296         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8297         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8298         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8299         settings.
8300         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8301         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8302         properties.
8303         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8304         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8305         * config/m68k/m68k-devices.def: New file.
8306
8307 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8308             Nathan Sidwell  <nathan@codesourcery.com>
8309
8310         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8311         (SUBTARGET_EXTRA_SPECS): New macros.
8312         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8313         use %(asm_cpu_spec) instead.
8314         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8315         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8316         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8317         (EXTRA_SPECS): Rename to...
8318         (SUBTARGET_EXTRA_SPECS): ...this.
8319
8320 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8321             Richard Sandiford  <richard@codesourcery.com>
8322             Julian Brown  <julian@codesourcery.com>
8323
8324         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8325         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8326         to the configuration's default CPU.
8327         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8328         Remove default masks.
8329         (m680[012]0-*-*): Set the default with_cpu to the first part of
8330         the target name.
8331         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8332         (m68k*-*-linux): Extend the --with-cpu handling to...
8333         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8334         and m68010.  Don't set target_cpu_default2.
8335         * doc/install.texi: Document --with-cpu for m68k.
8336         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8337         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8338         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8339         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8340         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8341         (ASM_SPEC): Remove use of %(asm_cpu_default).
8342         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8343         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8344         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8345         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8346         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8347         (TARGET_DEFAULT): Delete.
8348         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8349         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8350         (CPP_CPU_SPEC): Delete.
8351         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8352         the appropriate string.
8353         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8354         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8355         (ASM_SPEC): Don't use %(asm_default_spec).
8356         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8357         TARGET_DEFAULT and add MASK_68881.
8358         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8359
8360 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8361
8362         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8363         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8364         MASK_68010 alongside MASK_68020.
8365         * doc/invoke.texi: Document -m68010.
8366         * config/m68k/m68k.opt (m68010): New.
8367         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8368         if TUNE_68010.
8369         (TUNE_68010): New macro.
8370         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8371         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8372         (M68K_CPU_m68332): Add MASK_68010.
8373         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8374         fallback definition.
8375         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8376         defines.
8377         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8378         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8379         to all entries that use MASK_68020.
8380         (output_move_simode_const, output_move_himode, output_move_qimode)
8381         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8382         instead of TARGET_68020 to select clr behavior.  Remove comment
8383         about there being no TARGET_68010.
8384         * config/m68k/m68k.md: Likewise throughout.
8385
8386 2007-01-12  Julian Brown  <julian@codesourcery.com>
8387
8388         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8389         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8390         * config/m68k/m68k.md: Likewise.
8391
8392 2007-01-12  Julian Brown  <julian@codesourcery.com>
8393
8394         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8395         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8396
8397 2007-01-12  Julian Brown  <julian@codesourcery.com>
8398
8399         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8400         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8401         * config/m68k/m68k.md: Likewise.
8402
8403 2007-01-12  Julian Brown  <julian@codesourcery.com>
8404             Richard Sandiford  <richard@codesourcery.com>
8405
8406         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8407         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8408         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8409         TARGET_CPU32.
8410         (TARGET_CPU32): Rename to...
8411         (TUNE_CPU32): ...this.
8412         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8413         (TUNE_CFV2): New macros.
8414         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8415         remove conditions that are implied by TARGET_68020.
8416         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8417         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8418         (m68k_output_function_epilogue): Likewise.
8419         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8420         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8421         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8422         non-68000 timings.  Refactor multiplication and division costs.
8423         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8424         TUNE_CPU32 instead of TARGET_CPU32.
8425         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8426         and TUNE_68060 instead of TARGET_68060.
8427         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8428         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8429         TARGET_CPU32.
8430         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8431         && !TARGET_COLDFIRE" to choose between moveq and clr.
8432         Likewise in the unnamed movsf pattern.
8433         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8434         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8435         ashiftrt pattern.
8436
8437 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8438
8439         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8440         of tabbing before backslashes.
8441
8442 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8443
8444         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8445         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8446         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8447
8448 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8449
8450         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8451         find_interesting_uses_cond.
8452         (find_interesting_uses_cond): Use extract_cond_operands.
8453         (rewrite_use_compare): Use extract_cond_operands and
8454         force_gimple_operand_bsi.  Do not call update_stmt.
8455         (determine_use_iv_cost_condition): Use extract_cond_operands.
8456         Return cheaper of using original bound and changing the exit bound.
8457
8458 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8459
8460         PR tree-optimization/29516
8461         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8462         most_expensive_mult_to_index, addr_to_parts,
8463         create_mem_ref, maybe_fold_tmr): Make the type of
8464         fields of TARGET_MEM_REF sizetype.
8465         (move_fixed_address_to_symbol, move_pointer_to_base):
8466         New functions.
8467         * tree.def (TARGET_MEM_REF): Add comment on types of
8468         the operands.
8469
8470 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8471
8472         * c-common.c (vector_types_convertible_p): Treat opaque types as
8473         always convertible if they have the same size, but not otherwise.
8474
8475 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8476
8477         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8478         Remove the b_unconditional field.
8479         (noce_try_sign_mask): Do not look at b_unconditional.
8480         (noce_process_if_block): Do not use merge_if_blocks.  Update
8481         the CFG here.  Do not set b_unconditional.
8482         (cond_move_process_if_block): Likewise.
8483         (find_cond_trap): Likewise.
8484         (check_cond_move_block): Require simple jump insns at the end
8485         of the basic block.
8486
8487 2007-01-11  Jan Hubicka  <jh@suse.cz>
8488
8489         PR tree-optimization/1046
8490         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8491         when alias info is not ready.
8492         (pass_tail_recursion): Do not require aliasing.
8493         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8494         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8495         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8496         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8497         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8498         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8499         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8500         before inlining.
8501         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8502         When aliasing is not build, mark statement as volatile.
8503
8504 2007-01-11  Tom Tromey  <tromey@redhat.com>
8505
8506         PR preprocessor/15185, PR preprocessor/20989:
8507         * doc/cppopts.texi <-MT>: Update description of algorithm for
8508         computing default target.
8509         <-M, -MD>: Reword "basename" text.
8510
8511 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8512
8513         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8514         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8515         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8516         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8517         fold_builtin_bswap, real_constp, fold_builtin_pow,
8518         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8519         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8520         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8521         * convert.c (convert_to_pointer): Likewise.
8522         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8523         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8524         const_binop, fold_convert_const_int_from_int,
8525         fold_convert_const_int_from_real,
8526         fold_convert_const_real_from_real, sign_bit_p,
8527         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8528         fold_sign_changed_comparison, fold_unary, fold_comparison,
8529         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8530         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8531         * print-tree.c (print_node_brief, print_node): Likewise.
8532         * stor-layout.c (place_field, layout_type): Likewise.
8533         * tree-chrec.c (keep_cast): Likewise.
8534         * tree.c (build_vector, build_real, build_real_from_int_cst,
8535         build_complex): Likewise.
8536
8537 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8538
8539         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8540         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8541
8542 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8543
8544         * configure.ac (strict1_warn): Rename to strict_warn.
8545         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8546         cc_set_by_configure, quoted_cc_set_by_configure,
8547         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8548         all_boot_languages, all_stagestuff): Remove.
8549         (target_list): Remove bootstrap targets.
8550         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8551         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8552         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8553         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8554         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8555         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8556         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8557         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8558         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8559         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8560         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8561         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8562         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8563         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8564         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8565         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8566         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8567         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8568         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8569         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8570         (mostlyclean): Adjust.
8571         (clean, distclean): Don't mention bootstrap stuff.
8572         * configure: Regenerate.
8573         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8574         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8575         treelang/config-lang.in (stagestuff): Remove.
8576         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8577         stageprofile, stagefeedback, stagestuff): Remove mention.
8578
8579 2007-01-11  Nick Clifton  <nickc@redhat.com>
8580
8581         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8582         Accept CONSTs.
8583         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8584         (mcore_arith_K_S_operand): Run the test for the S constraint not
8585         the test for the M constraint.
8586         (mcore_addsub_operand): Do not accept integer values that are
8587         larger than 32 bits.
8588         * config/mcore/mcore.md: Remove unused constraints from split.
8589         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8590         (addsi3): Likewise.
8591         (allocate_stack): Likewise.
8592         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8593         operands to 32 bits.
8594         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8595         INTVAL.
8596         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8597         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8598         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8599         mcore_output_bclri, mcore_output_andn, output_inline_const,
8600         mcore_output_move, mcore_output_movedouble): Likewise.
8601         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8602         (output_inline_const): Likewise.
8603         (output_inline_const): Fix format strings used in sprintf
8604         statements.
8605         * config/mcore/mcore-protos.h: Update prototypes for changed
8606         functions in mcore.c.
8607         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8608         HOST_WIDE_INT and not int.
8609         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8610         CONST_OK_FOR_N): Likewise.
8611         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8612         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8613         an INTVAL.
8614
8615 2007-01-10  Jan Hubicka  <jh@suse.cz>
8616
8617         * tree-vrp.c (remove_range_assertions): Release defs.
8618         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8619         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8620
8621 2007-01-10  Paul Brook  <paul@codesourcery.com>
8622
8623         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8624         * config/arm/arm.md (mulsi3subsi): New insn.
8625
8626 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8627
8628         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8629         (tree_transform_and_unroll_loop): New.
8630         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8631         Declare.
8632
8633 2007-01-10  Robert Kennedy <jimbob@google.com>
8634
8635         * fold-const.c (fold_comparison): Fold comparisons like (x *
8636         1000 < 0) to (x < 0).
8637
8638 2007-01-10  Ian Lance Taylor  <iant@google.com>
8639
8640         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8641         operands have the same priority.
8642
8643 2007-01-10  Tom Tromey  <tromey@redhat.com>
8644
8645         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8646         (fold_binary): Likewise.
8647         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8648         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8649         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8650         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8651         * langhooks.h (struct lang_hooks): Removed field
8652         'can_use_bit_fields_p'.
8653
8654 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8655
8656         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8657
8658 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8659
8660         * function.c (get_last_funcdef_no): New function.
8661         * function.h (get_last_funcdef_no): Declare.
8662         * tree-inline.c (initialize_cfun): Add initialization.
8663         (tree_function_versioning): Cleanup.
8664
8665 2007-01-10  Jan Hubicka  <jh@suse.cz>
8666
8667         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8668         PHIs.
8669
8670 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8671             Ben Elliston  <bje@au.ibm.com>
8672
8673         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8674         for SAVE_NONLOCAL and Pmode for any other save level.
8675         * spu-protos.h (spu_restore_stack_block): Declare.
8676         * spu.md (save_stack_block): Remove.
8677         (restore_stack_block): Call spu_restore_stack_block.
8678         * spu.c (spu_restore_stack_block): New function.
8679         (spu_expand_epilogue): Remove old comment.
8680
8681 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8682
8683         PR tree-optimization/30322
8684         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8685         (cand_value_at): Return the value as aff_tree.
8686         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8687         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8688         aff_combination_mult): New functions.
8689         (aff_combination_add): Use aff_combination_add_cst.
8690         (aff_combination_convert): Allow conversions to a wider type.
8691         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8692         * tree-affine.h (aff_combination_mult): Declare.
8693
8694 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8695
8696         * doc/tm.texi: Update documentation to reflect reality of exec
8697         and start file search behaviours. Update copyright year.
8698         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8699         header file directories.
8700
8701 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8702
8703         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8704         (*cosxf2): Rename to cosxf2_i387.
8705         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8706         using X87MODEF12 mode macro. Rename patterns to
8707         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8708         for SSE math.
8709         (*cosdf2, *cossf2): Ditto.
8710         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8711         to match extended input operands.
8712         (sincos<mode>3): New expander.
8713         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8714         insn patterns and corresponding splitters.
8715
8716 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8717
8718         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8719         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8720
8721 2007-01-09  Nicolas Pitre  <nico@cam.org>
8722
8723         PR target/30173
8724         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8725
8726 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8727
8728         * target.h (struct gcc_target): New field library_rtti_comdat.
8729         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8730         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8731         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8732         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8733
8734 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8735
8736         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8737
8738 2007-01-08  Richard Guenther  <rguenther@suse.de>
8739
8740         * tree.h (force_fit_type_double): Export.
8741         (force_fit_type): Remove.
8742         * fold-const.c (force_fit_type_double): New function.
8743         (force_fit_type): Remove.
8744         (int_const_binop): Use it.
8745         (fold_convert_const_int_from_int): Likewise.
8746         (fold_convert_const_int_from_real): Likewise.
8747         (fold_div_compare): Likewise.
8748         (fold_sign_changed_comparison): Likewise.
8749         (fold_unary): Likewise.
8750         (fold_negate_const): Likewise.
8751         (fold_abs_const): Likewise.
8752         (fold_not_const): Likewise.
8753         * c-common.c (shorten_compare): Use force_fit_type_double.
8754         * convert.c (convert_to_pointer): Likewise.
8755
8756 2007-01-08  Richard Guenther  <rguenther@suse.de>
8757
8758         * tree.h (build_int_cst_wide_type): Export.
8759         * tree.c (build_int_cst_wide_type): New function.
8760         (build_int_cst_wide): Fix comment.
8761         * builtins.c (fold_builtin_object_size): Use build_int_cst
8762         to build -1 or 0 of the correct type.  Use fit_double_type
8763         to check for overflow.
8764         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8765         to build the mask.
8766         (decode_field_reference): Likewise.
8767         (all_ones_mask_p): Likewise.
8768         (native_interpret_int): Use build_int_cst_wide_type.
8769         (fold_binary): Use build_int_cst_type to build an all-ones
8770         value.
8771         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8772
8773 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8774
8775         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8776
8777 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8778
8779         * genautomata.c (STATS_OPTION): New option.
8780         (stats_flag): New flag.
8781         (gen_automata_option): Handle it.
8782         (initiate_automaton_gen): Ditto.
8783         (write_automata): Output statistics only if stats_flag is
8784         set. Likewise, output time statistics only if time_flag is set.
8785         * doc/md.texi (Processor pipeline description): Document new flag.
8786
8787 2007-01-08  Richard Guenther  <rguenther@suse.de>
8788
8789         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8790         * tree.c (build_int_cst_type): Likewise.
8791         (size_in_bytes): Don't call force_fit_type on the result.
8792         (int_fits_type_p): Use fit_double_type.
8793         * fold-const.c (fit_double_type): New function.
8794         (force_fit_type): Use it.
8795         * tree.h (fit_double_type): Export.
8796
8797 2007-01-08  Jan Hubicka  <jh@suse.cz>
8798
8799         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8800         * ipa.c (function_and_variable_visibility): Fix return type.
8801
8802 2007-01-08  Richard Guenther  <rguenther@suse.de>
8803
8804         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8805         of offset to build the index.
8806         * tree-pretty-print.c (dump_generic_node): Don't build negated
8807         const just for printing.
8808         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8809         * builtins.c (fold_builtin_int_roundingfn): Check if result
8810         fits the type by using force_fit_type and comparing the result.
8811         * predict.c (predict_loops): Use compare_tree_int for comparison.
8812         * tree.c (build_int_cst): Fall back to integer_type_node for
8813         NULL_TREE type.
8814         (build_int_cst_wide): Assert type is non-null.
8815
8816 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8817
8818         * tree-vrp.c (extract_range_from_cond_expr): New.
8819         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8820         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8821         as expressions.
8822         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8823         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8824         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8825         used as expressions.
8826         * tree-object-size.c (cond_expr_object_size): New.
8827         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8828
8829 2007-01-08  Jan Hubicka  <jh@suse.cz>
8830
8831         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8832         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8833         statement.
8834
8835 2007-01-08  Richard Guenther  <rguenther@suse.de>
8836
8837         PR tree-optimization/23603
8838         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8839         (extract_range_from_binary): Fall back to truthvalue instead of
8840         varying for TRUTH_*_EXPR.
8841         (extract_range_from_comparison): Fall back to truthvalue instead of
8842         varying.
8843         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8844         if all visited PHI values were constant.
8845
8846 2007-01-08  Jan Hubicka  <jh@suse.cz>
8847
8848         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8849         (cgraph_analyze_function): break out from ...
8850         (cgraph_finalize_compilation_unit): ... here.
8851         (cgraph_expand_function): Remove forgoten commented out line.
8852         (cgraph_optimize): Analyze functions.
8853
8854 2007-01-08  Jan Hubicka  <jh@suse.cz>
8855
8856         * tree-pas.h (TODO_remove_function): New flag.
8857         (TODO_update*): Renumber.
8858         (pass_ipa_increase_alignment,
8859         pass_ipa_function_and_variable_visibility): New passes.
8860         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8861         (cgraph_function_and_variable_visibility): Move to ipa.c
8862         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8863         cgraph_increase_alignment.
8864         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8865         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8866         calling tree-inline.
8867         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8868         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8869         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8870         (gate_increase_alignment): New function.
8871         (pass_ipa_increase_alignment): New pass.
8872         * ipa.c: Inline tree-pass.h and timevar.h
8873         (function_and_variable_visibility): Move here from cgraphunit.c
8874         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8875         * passes.c (init_optimization_passes): Add the two new passes.
8876         (execute_todo): Handle cgraph_remove_functions.
8877
8878 2007-01-08  Nick Clifton  <nickc@redhat.com>
8879
8880         * config/frv/predicates.md (reg_or_0_operand): Accept
8881         CONST_DOUBLEs.
8882
8883 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8884
8885         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8886         * config.gcc: Add bfin*-rtems*.
8887
8888 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8889
8890         * c.opt: Add -flax-vector-conversions.
8891         * c-typeck.c (convert_for_assignment): Pass flag to
8892         vector_types_convertible_p to allow emission of note.
8893         (digest_init): Likewise.
8894         * c-opts.c: Handle -flax-vector-conversions.
8895         * c-common.c (flag_lax_vector_conversions): New.
8896         (vector_types_convertible_p): Unless -flax-vector conversions
8897         has been passed, disallow conversions between vectors with
8898         differing numbers of subparts and/or element types.  If such
8899         a conversion is disallowed, possibly emit a note on the first
8900         occasion only to inform the user of -flax-vector-conversions.
8901         The new last argument specifies this.
8902         * c-common.h (flag_lax_vector_conversions): New.
8903         (vector_types_convertible_p): Add extra argument.
8904         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8905         char_type_node for V*QI type vectors.
8906         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8907         Update to satisfy new typechecking rules.
8908         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8909         C and C++ variants.
8910         * doc/invoke.texi (C Dialect Options): Document
8911         -flax-vector-conversions.
8912
8913 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8914
8915         PR tree-optimization/29877
8916         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8917         a register variable on the RHS to not be replaceable.
8918
8919 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8920         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8921         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8922         const_simm15, const_pow2, const_npow2): Added.
8923         * config/score/misc.md (insv, extv, extzv, movmemsi,
8924         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8925         * config/score/score.c (score_address_cost, score_select_cc_mode):
8926         Added.
8927         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8928         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8929         Update score_print_operand.
8930         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8931         Adjust register allocate order and update some macro define.
8932         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8933         mdx_block_move_straight, mdx_block_move_loop_head,
8934         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8935         mdx_block_move): Added.
8936         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8937         mdp_limm): Updated and fix some bug and typo.
8938         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8939         (movsf, movdf, doloop_end): Added.
8940
8941 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8942
8943         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8944         config/arm/thumb2.md: Fix comment typos.
8945         * doc/extend.texi: Fix a typo.
8946
8947 2007-01-07  Eric Christopher  <echristo@apple.com>
8948
8949         * configure.ac: Check for __stack_chk_fail for darwin.
8950         * configure: Regenerate.
8951
8952 2007-01-07  Richard Guenther  <rguenther@suse.de>
8953
8954         * tree-vrp.c (extract_range_from_assert): CSE calls to
8955         compare_values where possible.
8956         (extract_range_from_unary_expr): Likewise.
8957
8958 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8959
8960         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8961         * config/avr/avr.c (call_insn_operand): Delete function.
8962         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8963         instead of register number. Use predicates.
8964         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8965         call_insn_operand): Add.
8966
8967 2007-01-06  Jan Hubicka  <jh@suse.cz>
8968
8969         * tree-pass.h (pass_build_cgraph_edges): Declare.
8970         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8971         (visited_nodes): Remove.
8972         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8973         build_cgrpah_edges; make visited_nodes local.
8974         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8975         (record_references_in_initializer): Move to cgraphbuild.c
8976         (initialize_inline_failed, rebuild_cgraph_edges,
8977         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8978         (verify_cgraph_node): Make visited_nodes local.
8979         (cgraph_analyze_function): Do not call cgraph_create_edges and
8980         initialize_inline_failed.
8981         (cgraph_expand_function): Do not call cgraph_lower_function;
8982         assert that function is already lowered.
8983         * Makefile.in (cgraphbuild.o): New.
8984         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8985         at the end of lowering passes.
8986
8987 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
8988
8989         * ifcvt.c (cond_move_convert_if_block): New function, code
8990         factored out from...
8991         (cond_move_process_if_block): ...here.  Call the new function
8992         on the THEN and ELSE blocks.
8993         (merge_if_block): Do not copy global_live_at_end, merge_blocks
8994         already takes care of this.
8995
8996 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8997
8998         PR c/19978
8999         * tree.h (TREE_OVERFLOW_P): New.
9000         * c-typeck.c (parser_build_unary_op): Warn only if result
9001         overflowed and operands did not.
9002         (parser_build_binary_op): Likewise.
9003         (convert_for_assignment): Remove redundant overflow_warning.
9004         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9005
9006 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9007
9008         * c-typeck.c (store_init_value): Split over two lines to follow
9009         the GNU coding style.
9010
9011 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9012
9013         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9014         __GXX_EXPERIMENTAL_CXX0X__.
9015         * doc/cpp.texi: Same.
9016
9017 2007-01-05  Richard Guenther  <rguenther@suse.de>
9018
9019         PR middle-end/27826
9020         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9021         with mismatched types.  Instead explicitly build a
9022         conversion NOP_EXPR.
9023
9024 2007-01-05  Ian Lance Taylor  <iant@google.com>
9025
9026         * c-common.c (decl_with_nonnull_addr_p): New function.
9027         (c_common_truthvalue_conversion): Call it.
9028         * c-typeck.c (build_binary_op): Likewise.
9029         * c-common.h (decl_with_nonnull_addr_p): Declare.
9030
9031 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9032
9033         PR c/30360
9034         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9035         denom against 0.0.
9036
9037 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9038
9039         * doc/install.texi (Final install): Document the fact that
9040         the GNAT runtime should not be stripped.
9041
9042 2007-01-04  Jan Hubicka  <jh@suse.cz>
9043
9044         * tree-inline.c (fold_marked_statements): Update operand caches
9045         and EH after folding
9046
9047 2007-01-04  Ian Lance Taylor  <iant@google.com>
9048
9049         * c-common.c (check_function_nonnull): Whitespace fix.
9050
9051 2007-01-04  Jan Hubicka  <jh@suse.cz>
9052
9053         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9054         comitted older version of patch.
9055         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9056         function, celanup cfg and collect garbage.
9057
9058 2007-01-04  Mike Stump  <mrs@apple.com>
9059
9060         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9061         (clean): Likewise.
9062
9063 2007-01-04  Eric Christopher  <echristo@apple.com>
9064
9065         * libgcc2.c (__bswapsi2): Use SItype.
9066         (__bswapdi2): Use DItype.
9067         * libgcc2.h: Update for above.
9068
9069 2007-01-04  Paul Brook  <paul@codesourcery.com>
9070
9071         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9072         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9073         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9074         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9075         umulsi3_highpart): Make conditional on !arm_arch6.
9076         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9077         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9078         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9079         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9080         umulsi3_highpart_v6): New insns.
9081
9082 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9083
9084         * fold-const.c (fold_convert): When casting an expression to void,
9085         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9086         have a type.  Instead of attempting to build a NOP_EXPR, return
9087         these "special" trees directly.
9088
9089 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9090
9091         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9092         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9093         rs6000_cost->fp not 0 as adjustment for outer NEG.
9094
9095 2007-01-04  Jan Hubicka  <jh@suse.cz>
9096
9097         * cgraph.c (cgraph_release_function_body): New function.
9098         (cgraph_remove_node): Use it.
9099         * cgraph.h (cgraph_release_function_body): Declare.
9100         * cgraphunit.c (cgraph_expand_function): Use it.
9101         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9102         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9103         is initialized and while compilation of other function is running.
9104         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9105         statement CFG annotations from here to ...
9106         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9107
9108 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9109
9110         * cfgloop.h (enum li_flags): Make the constants powers of two.
9111
9112 2007-01-04  Jan Hubicka  <jh@suse.cz>
9113
9114         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9115         set.
9116         (fold_marked_statements): New function.
9117         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9118         * tree-inline.h (copy_body_data): Add statements_to_fold.
9119
9120 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9121
9122         * config.gcc: Mention libgcc/config.host.
9123         * Makefile.in: Update comments mentioning libgcc.
9124         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9125         (all.cross, start.encap, rest.encap, rest.cross): Update
9126         dependencies for libgcc move.
9127         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9128         (clean-target, clean-target-libgcc): Delete.
9129         (srcdirify, GCC_EXTRA_PARTS): New macros.
9130         (libgcc-support, libgcc.mvars): New rules.
9131         (distclean): Remove mention of mklibgcc.
9132         (install): Don't reference INSTALL_LIBGCC.
9133         (install-common): Don't reference EXTRA_PARTS.
9134         (install-libgcc, install-multilib): Delete rules.
9135         * mklibgcc.in: Delete file.
9136         * doc/configfiles.texi: Don't mention mklibgcc.
9137
9138         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9139         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9140         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9141         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9142         (mklibgcc, ldblspecs): Likewise.
9143
9144         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9145         (posixpre.def): Use $(T).
9146         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9147         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9148         (SHLIB_LINK): Make dummy.
9149         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9150
9151         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9152
9153         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9154         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9155         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9156         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9157
9158         * configure.ac (all_outputs): Remove mklibgcc.
9159         * configure: Regenerated.
9160
9161 2007-01-03  Josh Conner  <jconner@apple.com>
9162
9163         PR middle-end/29683
9164         * calls.c (compute_argument_addresses): Set stack and stack_slot
9165         for partial args, too.
9166         (store_one_arg): Use locate.size.constant for the size when
9167         generating a save_area.
9168
9169 2007-01-03  Robert Kennedy <jimbob@google.com>
9170
9171         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9172         whose definitions are deleted due to basic block merging.
9173
9174 2007-01-03  Paul Brook  <paul@codesourcery.com>
9175
9176         PR target/16634
9177         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9178         functions.
9179         (use_return_insn): Return 0 for Thumb interrupt functions.
9180         (print_multi_reg): Add rfe argument for IRQ returns.
9181         (arm_output_epilogue): Pop interrupt return address directly into PC.
9182         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9183
9184 2007-01-03  Paul Brook  <paul@codesourcery.com>
9185
9186         Merge from sourcerygxx-4_1.
9187         * config/arm/thumb2.md: New file.
9188         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9189         Thumb-2.
9190         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9191         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9192         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9193         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9194         tables.
9195         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9196         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9197         comptibility.
9198         * config/arm/ieee754-sf.S: Ditto.
9199         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9200         (thumb1_base_register_rtx_p): ... to this.
9201         (thumb_index_register_rtx_p): Rename...
9202         (thumb1_index_register_rtx_p): ... to this.
9203         (thumb_output_function_prologue): Rename...
9204         (thumb1_output_function_prologue): ... to this.
9205         (thumb_legitimate_address_p): Rename...
9206         (thumb1_legitimate_address_p): ... to this.
9207         (thumb_rtx_costs): Rename...
9208         (thumb1_rtx_costs): ... to this.
9209         (thumb_compute_save_reg_mask): Rename...
9210         (thumb1_compute_save_reg_mask): ... to this.
9211         (thumb_final_prescan_insn): Rename...
9212         (thumb1_final_prescan_insn): ... to this.
9213         (thumb_expand_epilogue): Rename...
9214         (thumb1_expand_epilogue): ... to this.
9215         (arm_unwind_emit_stm): Rename...
9216         (arm_unwind_emit_sequence): ... to this.
9217         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9218         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9219         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9220         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9221         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9222         thumb2_output_casesi): New functions.
9223         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9224         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9225         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9226         THUMB2_WORK_REGS): Define.
9227         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9228         arm_condexec_mask, arm_condexec_masklen)): New variables.
9229         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9230         (arm_override_options): Check new CPU capabilities.
9231         Set new architecture flag variables.
9232         (arm_isr_value): Handle v7m interrupt functions.
9233         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9234         Thumb-2.
9235         (const_ok_for_arm): Handle Thumb-2 constants.
9236         (arm_gen_constant): Ditto.  Use movw when available.
9237         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9238         functions.
9239         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9240         (thumb_find_work_register, arm_load_pic_register,
9241         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9242         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9243         print_multi_reg, output_mov_long_double_fpa_from_arm,
9244         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9245         output_mov_double_fpa_from_arm, output_move_double,
9246         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9247         output_return_instruction, arm_output_function_prologue,
9248         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9249         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9250         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9251         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9252         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9253         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9254         '!' and 'L'.
9255         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9256         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9257         (arm_file_start): Output directive for unified syntax.
9258         (arm_unwind_emit_set): Handle stack alignment instruction.
9259         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9260         Add v6t2, v7, v7a, v7r and v7m.
9261         (RETLDM): Add Thumb-2 code.
9262         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9263         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9264         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9265         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9266         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9267         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9268         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9269         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9270         ADJUST_INSN_LENGTH): Define.
9271         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9272         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9273         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9274         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9275         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9276         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9277         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9278         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9279         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9280         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9281         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9282         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9283         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9284         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9285         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9286         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9287         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9288         cortex-m3.
9289         * config/arm/arm-tune.md: Regenerate.
9290         * config/arm/arm-protos.h: Update prototypes.
9291         * config/arm/vfp.md: Enable patterns for Thumb-2.
9292         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9293         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9294         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9295         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9296         * config/arm/libunwind.S: Add Thumb-2 code.
9297         * config/arm/constraints.md: Update include Thumb-2.
9298         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9299         * config/arm/ieee754-df.S: Ditto.
9300         * config/arm/bpabi.S: Ditto.
9301         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9302         * config/arm/predicates.md (low_register_operand,
9303         low_reg_or_int_operand, thumb_16bit_operator): New.
9304         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9305         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9306         * config/arm/t-arm-elf: Add armv7 multilib.
9307         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9308         Include thumb2.md.
9309         (UNSPEC_STACK_ALIGN, ce_count): New.
9310         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9311         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9312         insns/expanders.
9313         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9314         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9315         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9316         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9317         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9318         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9319         insns.
9320         * doc/extend.texi: Document ARMv7-M interrupt functions.
9321         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9322
9323 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9324
9325         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9326         (struct _Unwind_Context): Rename args_size to flags, remove
9327         signal_frame field, add a new args_size field and version field.
9328         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9329         _Unwind_IsExtendedContext): New inline functions.
9330         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9331         Assume by_value array is only present if _Unwind_IsExtendedContext.
9332         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9333         _Unwind_IsSignalFrame.
9334         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9335         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9336         (uw_init_context_1): Initialize context->flags to
9337         EXTENDED_CONTEXT_BIT.
9338         * config/rs6000/linux-unwind.h (frob_update_context): Use
9339         _Unwind_SetSignalFrame.
9340
9341 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9342
9343         PR middle-end/30353
9344         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9345         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9346         the value.
9347
9348 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9349
9350         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9351         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9352         RET, AT_SP): Remove.
9353         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9354         instead of RET.
9355
9356         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9357         * cfgbuild.c (find_basic_blocks): Likewise.
9358         * cfgrtl.c (rtl_create_basic_block): Likewise.
9359         * function.c (temp_slots_at_level): Likewise.
9360         * reg-stack.c (stack_regs_mentioned): Likewise.
9361         * regclass.c (allocate_reg_info): Likewise.
9362         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9363         set_bb_for_stmt, move_block_to_fn): Likewise.
9364         * tree-complex.c (tree_lower_complex): Likewise.
9365         * vec.h (VEC_safe_grow_cleared): New.
9366
9367         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9368
9369 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9370
9371         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9372         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9373         to loop_version.
9374         * cfgloopmanip.c (scale_loop_frequencies): Export.
9375         (loopify): Scale the frequencies by prescribed coefficients.
9376         (set_zero_probability): New function.
9377         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9378         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9379         and frequencies according to arguments.
9380         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9381         correctly.
9382         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9383         * modulo-sched.c (sms_schedule): Set probabilities for entering
9384         versioned loop correctly.
9385         * tree-vect-transform.c (vect_transform_loop): Ditto.
9386         * cfgloop.h (loopify, loop_version): Declaration changed.
9387         (scale_loop_frequencies): Declared.
9388
9389 2007-01-02  Jan Hubicka  <jh@suse.cz>
9390
9391         * cgraph.c: Include tree-flow.h
9392         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9393         early_local_passes.
9394         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9395         * tree-pass.h (pass_all_early_optimizations): Declare.
9396         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9397         early_local_passes.
9398         (cgraph_analyze_function): Do early_local_passes.
9399         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9400         Do not add referenced vars.
9401         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9402         SSA form.
9403         (gate_all_early_local_passes): New gate.
9404         (pass_early_local_passes): Use new gate.
9405         (execute_early_local_optimizations): New functions.
9406         (gate_all_early_optimizations): New gate.
9407         (pass_all_early_optimizations): New pass.
9408         (execute_free_datastructures): Free SSA only when initialized.
9409         (gate_init_datastructures): Init only when optimizing.
9410         (tree_lowering_passes): Do early local passes when called late.
9411         * tree-profile.c (do_tree_profiling): Don't profile functions added
9412         late.
9413         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9414         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9415         not active.
9416         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9417         during early_local_passes.
9418         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9419
9420
9421 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9422
9423         * Makefile.in: Update copyright year.
9424
9425 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9426
9427         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9428         in $(lang_checks) and check-consistency targets.
9429
9430 2007-01-02  Jan Hubicka  <jh@suse.cz>
9431
9432         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9433         Do not add referenced vars.
9434         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9435         are not active.
9436         * passes.c (init_optimization_passes): Put mudflap_2 after
9437         free_datastructures.
9438
9439 2007-01-02  Jan Hubicka  <jh@suse.cz>
9440
9441         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9442         Set NOTHROW flag on call statements proved to be nothrow.
9443         Update statement of local calls so new pure/const functions are
9444         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9445         goto receivers.
9446         (tree_rest_of_compilation): Register hooks and initialize bitmap
9447         early. Do not set after_inlining flag.
9448
9449 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9450
9451         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9452         HOST_BITS_PER_LONGLONG
9453
9454 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9455
9456         PR c/19977
9457         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9458         warning for non-static initializers.
9459
9460 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9461
9462         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9463         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9464         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9465         Always use set_unique_reg_note to add REG_EQUAL notes.
9466
9467 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9468
9469         Revert:
9470         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9471
9472         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9473         * cfgbuild.c (find_basic_blocks): Likewise.
9474         * cfgrtl.c (rtl_create_basic_block): Likewise.
9475         * function.c (temp_slots_at_level): Likewise.
9476         * reg-stack.c (stack_regs_mentioned): Likewise.
9477         * regclass.c (allocate_reg_info): Likewise.
9478         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9479         set_bb_for_stmt, move_block_to_fn): Likewise.
9480         * tree-complex.c (tree_lower_complex): Likewise.
9481         * vec.h (VEC_safe_grow_cleared): New.
9482
9483 2007-01-02  Ian Lance Taylor  <iant@google.com>
9484
9485         * c-common.c (c_common_truthvalue_conversion): When warning about
9486         using an assignment as a truth value, set TREE_NO_WARNING.
9487
9488 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9489
9490         PR middle-end/7651
9491         * c.opt (Wold-style-declaration): New.
9492         * doc/invoke.texi (C-only Warning Options): New.
9493         (Wold-style-declaration): Document it.
9494         (Wextra): Enabled by -Wextra.
9495         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9496         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9497         -Wold-style-declaration.
9498
9499 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9500
9501         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9502         * cfgbuild.c (find_basic_blocks): Likewise.
9503         * cfgrtl.c (rtl_create_basic_block): Likewise.
9504         * function.c (temp_slots_at_level): Likewise.
9505         * reg-stack.c (stack_regs_mentioned): Likewise.
9506         * regclass.c (allocate_reg_info): Likewise.
9507         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9508         set_bb_for_stmt, move_block_to_fn): Likewise.
9509         * tree-complex.c (tree_lower_complex): Likewise.
9510         * vec.h (VEC_safe_grow_cleared): New.
9511
9512 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9513
9514         * c-common.c (c_common_nodes_and_builtins): Since variants of
9515         void_type_node get built before it is given a name, we need to
9516         give those variants the name, too.
9517         (complete_array_type): We need to work with the canonical main
9518         type of the array, from which we will build the qualified version.
9519         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9520         * print-tree.c (print_node): Display canonical type information
9521         for each type.
9522         * stor-layout.c (layout_type): When we don't know the
9523         alignment of a type for which we're building an array, we end up
9524         guessing wrong, so make the type require structural equality.
9525         * tree.c (make_node_stat): When we build a new type, it is its
9526         own canonical type.
9527         (build_type_attribute_qual_variant): When building an attribute
9528         variant, its canonical type is the non-attribute variant. However,
9529         if the attributes are target-dependent and they differ, we need to
9530         use structural equality checks for this type.
9531         (build_qualified_type): A qualified type is not equivalent to its
9532         unqualified variant; set the canonical type appropriately.
9533         (build_distinct_type_copy): When building a distinct type from
9534         another type, the new type is its own canonical type.
9535         (build_variant_type_copy): When building a new type variant, we
9536         assume that it is equivalent to the original type.
9537         (build_pointer_type_for_mode): When building a pointer type, also
9538         build a canonical type pointer.
9539         (build_reference_type_for_mode): When building a reference type,
9540         also build a canonical type reference.
9541         (build_index_type): When we can't hash an index type (e.g.,
9542         because its maximum value is negative), the index type requires
9543         structural equality tests.
9544         (build_array_type): Build the canonical form of an array type.
9545         (build_function_type): Function types require structural equality,
9546         because they contain default arguments, attributes, etc.
9547         (build_method_type_directly): Ditto for method types.
9548         (build_offset_type): Build the canonical offset type.
9549         (build_complex_type): Build the canonical vector type.
9550         (make_vector_type): Build the canonical vector type.
9551         * tree.h (TYPE_CANONICAL): New.
9552         (TYPE_STRUCTURAL_EQUALITY_P): New.
9553         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9554         (struct tree_type): Added "canonical" field.
9555         * params.h (VERIFY_CANONICAL_TYPES): New.
9556         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9557         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9558         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9559         * doc/invoke.texi (verify-canonical-types): Document --param
9560         parameter for verifying canonical types.
9561
9562 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9563
9564         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9565         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9566         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9567         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9568         tm_file.
9569         * config/rs6000/e500.h: New.
9570         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9571         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9572         Remove.
9573         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9574         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9575         TARGET_E500_DOUBLE): Remove.
9576         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9577         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9578         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9579         * config/rs6000/rs6000.c (rs6000_override_options): Use
9580         CHECK_E500_OPTIONS.
9581
9582 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9583
9584         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9585         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9586         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9587         rs6000_emit_cmove): Don't check TARGET_E500.
9588         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9589         sordered): Don't check TARGET_E500.
9590
9591 2007-01-01  Eric Christopher  <echristo@apple.com>
9592
9593         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9594         HARD_REGISTER_NUM_P.
9595
9596 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9597
9598         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9599         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9600         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9601         eq/ne Y".
9602
9603 2007-01-01  Mike Stump  <mrs@apple.com>
9604
9605         * configure.ac: Remove support for building with Apple's gcc-3.1.
9606
9607 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9608
9609         PR middle-end/30311
9610         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9611         REG is a hard register.  Do not modify REG before calling
9612         subreg_nregs.
9613         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9614         multiple of the size of YMODE for certain lowpart cases.
9615
9616 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9617
9618         PR middle-end/30253
9619         * gimplify (voidify_wrapper_expr): Update for
9620         GIMPLE_MODIFY_STMT.
9621
9622 2007-01-01  Andreas Schwab  <schwab@suse.de>
9623
9624         PR target/29166
9625         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9626         save of BR0 in extra_spill_size instead of spill_size.
9627         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9628         area.
9629         (ia64_expand_epilogue): Restore BR0 from its new location.
9630
9631 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9632
9633         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9634         Use a temporary variable if the left hand side is not a gimple
9635         register.
9636
9637 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9638
9639         * gimplify.c (gimplify_return_expr): Make the temporary variable
9640         for the return expression, a gimple register variable.
9641
9642 2007-01-01  Jan Hubicka  <jh@suse.cz>
9643
9644         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9645         INSN_LIST.
9646
9647 2007-01-01  Mike Stump  <mrs@apple.com>
9648
9649         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9650         .literal16.
9651         * config/darwin.c (machopic_select_rtx_section): Use
9652         HAVE_GAS_LITERAL16.
9653         (darwin_mergeable_constant_section): Likewise.
9654         * configure: Regenerate.
9655         * config.in: Regenerate.
9656
9657 2007-01-01  Jan Hubicka  <jh@suse.cz>
9658             Andrew Pinski  <pinskia@gmail.com>
9659
9660         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9661         before starting IPA passes.