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PR middle-end/PR30700
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-03-30  Jan Hubicka  <jh@suse.cz>
2
3         PR middle-end/PR30700
4         * dwarf2out.c (reference_to_unused): Ask cgraph for functions 
5         availablility; add more sanity checking; ask varpool only about
6         VAR_DECL.
7
8 2007-03-29  Richard Henderson  <rth@redhat.com>
9
10         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
11         to decide, but __SIZEOF_LONG_LONG__.
12
13 2007-03-29  Richard Henderson  <rth@redhat.com>
14
15         * emutls.c (struct __emutls_array): New.
16         (emutls_destroy): Use it instead of casting element 0 from void*.
17         (__emutls_get_address): Likewise.
18
19 2007-03-29  Richard Henderson  <rth@redhat.com>
20
21         * varasm.c (initializer_constant_valid_p): Don't deny
22         DECL_DLLIMPORT_P on functions.
23
24         * config/i386/cygming.h: Remove function declarations.
25         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
26         (ASM_OUTPUT_LABELREF): Remove.
27         (COMMON_ASM_OP): Remove.
28         (ASM_OUTPUT_COMMON): Remove.
29         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
30         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
31         (ASM_DECLARE_FUNCTION_NAME): Likewise.
32         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
33         Rename from TARGET_ENCODE_SECTION_INFO.
34         * config/i386/netware.h: Likewise.
35         * config/i386/i386-protos.h: Update.
36         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
37         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
38         (legitimate_constant_p): Reject dllimports.
39         (dllimport_map, get_dllimport_decl): New.
40         (legitimize_dllimport_symbol): New.
41         (legitimize_address, ix86_expand_move): Use it.
42         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
43         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
44         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
45         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
46         * config/i386/predicates.md (constant_call_address_operand): Only
47         accept symbols; reject dllimport_p symbols.
48         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
49         i386_pe_maybe_record_exported_symbol.
50         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
51         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
52         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
53         trust the setting of DECL_DLLIMPORT_P.
54         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
55         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
56         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
57         tidy the argument scanning loop.
58         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
59         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
60         (i386_pe_strip_name_encoding): Remove.
61         (i386_pe_binds_local_p): New.
62         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
63         (i386_pe_output_labelref): Remove.
64         (i386_pe_asm_output_aligned_decl_common): New.
65         (i386_pe_maybe_record_exported_symbol): Rename from
66         i386_pe_record_exported_symbol; check for dllexported symbols.
67
68 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
69
70         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
71         add comment explaining why vsnprintf cannot be used.
72
73 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
74
75         PR tree-optimization/30666
76         * tree.c (build_complex_type): When creating type names for DWARF2
77         debug info, create TYPE_DECLs for TYPE_NAME instead of
78         IDENTIFIER_NODEs.
79         (build_common_tree_nodes_2): Use build_complex_type when building
80         predefined complex types, to preserve canonical types.
81
82 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
83
84         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
85         (noce_get_alt_condition): Look at it to determine whether to
86         reverse the condition or not.
87         (noce_get_condition): Substitute the truth for lies.
88         (noce_find_if_block): Set the then_else_reversed field.
89
90 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
91
92         * config/fr30/fr30.md (movdi): Do not accept immediates as the
93         destination of this insn.
94         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
95         than calling gen_rtx_SET directly.  Use r0 to hold the value of
96         'address + 4' rather than a stack based temporary which can be
97         mis-optimized away.
98         
99 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
100
101         * config/s390/s390.c (s390_secondary_input_reload_class,
102         s390_secondary_output_reload_class): Functions removed.
103         (s390_secondary_reload): New function.
104         (TARGET_SECONDARY_RELOAD): Target macro defined.
105         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
106         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
107         * config/s390/s390.md ("reload_outti", "reload_outdi",
108         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
109         "reload_out<mode>"): Expanders removed.
110         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
111         "reload<mode>_nonoffmem_out"): Expanders added.
112
113 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
114
115         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
116         SRC->DEST replacement failed anyway.
117
118 2007-03-28  Mike Stump  <mrs@apple.com>
119
120         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
121         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
122         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
123
124 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
125
126         * config.gcc: Accept barcelona as a variant of amdfam10.
127         * config/i386/i386.c (override_options): Likewise.
128         * doc/invoke.texi: Likewise.
129         
130 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
131
132         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
133         offsets for BIT_FIELD_REF and COMPONENT_REF.
134
135 2007-03-28  Richard Guenther  <rguenther@suse.de>
136
137         * tree.c (is_global_var): Move ...
138         * tree-flow-inline.h (is_global_var): ... here.
139         * tree.h (is_global_var): Remove declaration.
140
141 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
142
143         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
144         option.
145         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
146         * config/i386/i386.c (ix86_tune_features): Initialize new
147         tuning option.
148         * config/i386/predicates.md (promotable_binary_operator): Use
149         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
150
151 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
152
153         PR target/31380
154         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
155
156 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
157
158         * config/fr30/fr30.md (movsi_internal): Change destination
159         constraint from m to V and add m to the end. 
160
161 2007-03-28  Christian Bruel  <christian.bruel@st.com>
162
163         * config/sh/sh.md (movsi_i): Fix type attribute.
164
165 2007-03-28  Christian Bruel  <christian.bruel@st.com>
166
167         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
168         (movsf_ie): Likewise.
169
170 2007-03-28  Christian Bruel  <christian.bruel@st.com>
171
172         * config.gcc: Add sh4-300 to multilib.
173         * config/sh/t-mlib-sh4-300: New file.
174
175 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
176
177         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
178         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
179         fix_trunc<mode>di2.
180         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use 
181         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
182         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
183         "fixuns_trunctddi2"): Whitespace fix.
184
185 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
186
187         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
188         the definition of struct sh_args.
189         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
190         CALL_COOKIE_INT_REG_GET): Likewise.
191
192 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
193
194         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
195         transformations are applied successfully.
196
197 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
198
199         * tree.c (tree_contains_struct): Permit 512 tree codes.
200         * tree.h (tree_contains_struct): Ditto.
201         (MAX_TREE_CODES): Ditto.
202         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
203         SPARE member to store remaining padding bits.
204
205 2007-03-27  Anatoly Sokolov <aesok@post.ru>
206
207         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' 
208         architecture.
209
210 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
211
212         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
213         * configure: Regenerate.
214
215         * configure: Regenerate using the correct version of autoconf.
216
217 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
218
219         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
220         pointer regs.
221         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
222         regs to "__SP_L__" and "__SP_H__".
223
224 2007-03-27  Richard Guenther  <rguenther@suse.de>
225
226         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
227         computations with it with a HOST_WIDE_INT variable.  
228
229 2007-03-26  Mike Stump  <mrs@apple.com>
230
231         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
232         objective-c-header, objective-c++-header and objc++-cpp-output
233         support.
234         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
235
236 2007-03-26  Richard Henderson  <rth@redhat.com>
237
238         PR target/31361
239         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
240         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
241         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
242         IX86_BUILTIN_PSRLQ128): New.
243         (ix86_init_mmx_sse_builtins): Add them.
244         (ix86_expand_builtin): Expand them.
245         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
246         operand 2 be TImode.
247         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
248         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
249         _mm_srli_epi64): Mark __B const.
250         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
251         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
252         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use 
253         new two-vector shift builtins.
254
255 2007-03-26  Ian Lance Taylor  <iant@google.com>
256
257         PR tree-optimization/31345
258         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
259         [+INF, +INF(OVF)] into VARYING.
260
261 2007-03-26  Zack Weinberg  <zackw@panix.com>
262
263         * gengtype-parse.c: New file.
264         * gengtype-yacc.y: Delete.
265         * gengtype-lex.l: Don't include gengtype-yacc.h.
266         Define YY_DECL and yyterminate appropriately for recursive
267         descent parser.  yylval is now a string out-parameter to yylex.
268         (HWS, EOID): New shorthand.
269         (IWORD): Add a couple more types.
270         (yylex): Add a setup stanza.  Remove the complex rules for
271         detecting GTY'ed types and typedefs; replace with simple
272         keyword detectors.  Adjust everything for the changed
273         definition of yylval.  Ignore all pp-directives, not just #define.
274         (yyerror): Delete.
275         (parse_file): Rename yybegin; do not call yyparse.
276         (yyend): New.
277         * gengtype.c (xasprintf): Export again.
278         (this_file): New.  Use everywhere __FILE__ was being used.
279         (get_lang_bitmap): Special case types defined in gengtype.c.
280         (do_typedef, new_structure): Suppress definition of certain types.
281         (new_structure): Improve diagnostics of duplicate definitions.
282         Make sure location_s is associated with input.h.
283         (nreverse_pairs, define_location_structures): New functions.
284         (main): Improve tagging of kludge types.  Remove old kludges
285         for input.h types; use define_location_structures.
286         * gengtype.h: Update prototypes.  Define token codes here.
287         * Makefile.in: Remove all references to gengtype-yacc.
288         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
289         and gengtype.
290         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
291         add GTY((skip)) to the field that's only conditionally there.
292         * doc/install.texi: Document that Bison is no longer required
293         unless building treelang.
294
295         * gengtype.c: Don't include gtyp-gen.h.
296         (srcdir): Declare here.
297         (base_files, lang_dir_names): Allocate dynamically.
298         (gt_files, num_gt_files, num_lang_dirs): New globals.
299         (measure_input_list, read_input_line, read_input_list)
300         (set_lang_bitmap): New functions.
301         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
302         simplify, relying on read_input_list to set up the bitmaps.
303         (main): Arguments are no longer unused.  Check for correct number
304         of command line arguments, set srcdir and srcdir_len, then call
305         read_input_list, before doing anything else.  No need to worry
306         about duplicates in main loop.
307         * configure.ac: Simplify the calculation of all_gtfiles.
308         Put language tags in there.  Don't set or substitute
309         all_gtfiles_files_langs or all_gtfiles_files_frags.
310         * Makefile.in: Revamp the way gengtype is invoked, now that it
311         takes a file on its command line with a much simpler format.
312         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
313         (GTFILES): Remove duplicates and C source files.
314         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
315         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
316         * configure: Regenerate.
317
318         * gengtype.h: Remove all type definitions to gengtype.c; leave
319         only definitions of options_p, type_p, and pair_p as opaque
320         pointers.  Update prototypes.
321         * gengtype.c: Many type definitions moved here from gengtype.h.
322         Consolidate type definitions at the top of the file.
323         (xvasprintf): Delete.
324         (xasprintf): Make static.
325         (create_nested_pointer_option): Add 'next' parameter.
326         (create_field_all, create_field_at): New functions.
327         (create_field): Now a thin wrapper around create_field_all.
328         (create_optional_field): Rename create_optional_field_ and add
329         line argument.  Original name is now a macro which supplies
330         __LINE__.
331         (oprintf): Use vsnprintf directly.
332         (close_output_files): Use fatal rather than perror/exit.
333         (note_def_vec, note_def_vec_alloc): Use create_field_at.
334         (main): Set progname.  Don't use exit.
335         * gengtype-yacc.y (struct_fields): Use create_field_at.
336         (option, optionseqopt): Delete.
337         (optionseq): Consolidate productions from option here so we
338         can use the first argument to create_option.
339
340         * gengtype-lex.l: Distinguish unions from structures in the
341         token type.  Don't call find_structure; return the tag as a string.
342         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
343         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
344         Reorganize typedef_struct production accordingly.
345         Use create_nested_ptr_option.
346         * gengtype.c (create_nested_ptr_option): New function.
347         * gengtype.h: Declare it.
348
349         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
350         (string_type): Don't declare.
351         (do_scalar_typedef): Declare.
352         (create_scalar_type): Update prototype.
353         * gengtype.c (string_type): Make static.
354         (scalar_nonchar, scalar_char): New.
355         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
356         (resolve_typedef): Use scalar_nonchar for error recovery.
357         (create_scalar_type): Remove name_len field.  Return scalar_char
358         or scalar_nonchar as appropriate.
359         (adjust_field_type): Look at scalar_is_char boolean to decide whether
360         to use string_type.
361         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
362         whenever possible.
363         (main): Initialize scalar_char and scalar_nonchar before calling
364         gen_rtx_next.
365         * gengtype-lex.l: Adjust for removal of second argument to
366         create_scalar_type.  Use yylval.s instead of yylval.t when
367         returning SCALAR.
368         * gengtype-yacc.y: Type of SCALAR is string.  Call
369         create_scalar_type from type:SCALAR rule.  Adjust for removal of
370         second argument to create_scalar_type.
371
372         * vec.h: Remove all #if IN_GENGTYPE blocks.
373         Add comment saying that changes may require adjustments to gengtype.
374         * gengtype.c: Don't include coretypes.h or tm.h.
375         Add comment to inclusion of errors.h.
376         (note_def_vec, note_def_vec_alloc): New functions.
377         * gengtype.h: Declare new functions.
378         * gengtype-lex.l: Don't include coretypes.h.
379         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
380         Delete.
381         (update_lineno): Remove unnecessary prototype.
382         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
383         (VEC rule): Just return VEC_TOKEN.
384         * gengtype-yacc.y (VEC_TOKEN): New token type.
385         (type): Add a production for VEC(a,b).
386         * Makefile.in: Update dependencies.
387
388         * gengtype-lex.l: Remove rules for parsing pointer-to-function
389         typedefs that use the old PARAMS macro.
390
391         * gengtype-lex.l: Remove all rules and states relating to yacc
392         input files.
393         * gengtype-yacc.y: Similarly.
394         * gengtype.c (note_yacc_type): Delete function.
395         * gengtype.h: Update prototypes.
396
397 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
398
399         * tree-pretty-print.c (dump_generic_node): Report precision of
400         unnamed integer types.
401
402 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
403
404         * ifcvt.c (noce_try_store_flag_constants): Don't check
405         no_new_pseudos here.
406         (noce_try_store_flag_constants): Don't check no_new_pseudos.
407         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
408         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
409         noce_try_sign_mask): Likewise.
410         (if_convert): Check no_new_pseudos here.
411
412         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
413         Remove prototypes.
414         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
415         (noce_get_condition): Handle new then_else_reversed argument.
416         (noce_init_if_info): Remove, fold into noce_find_if_block.
417         (noce_process_if_block): Take a struct noce_if_info as the
418         argument.  Don't set up one based on ce_if_info.  Update pointer
419         references accordingly.
420         (cond_move_process_if_block): Likewise.
421         (process_if_block): Removed.
422         (find_if_block): Removed.  Move functionality two new functions,
423         noce_find_if_block and cond_exec_find_if_block.
424         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
425         blocks and the symmetric IF-ELSE-JOIN case.
426         (cond_exec_find_if_block): Also new function mostly based on old
427         find_if_block and process_if_block.
428         (find_if_header): Replace find_if_block call with separately
429         guarded calls to noce_find_if_block and cond_exec_find_if_block.
430         (find_cond_trap): Update noce_get_condition call.
431         (dead_or_predicable): Likewise.
432
433 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
434
435         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
436         Remove.
437         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
438         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
439         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
440         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
441         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
442         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
443         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
444         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
445         __builtin_ia32_psrad128 builtins.
446
447 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
448
449         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
450         * config/i386/constraints.md
451         (define_constraint "I"): Use IN_RANGE macro.
452         (define_constraint "J"): Ditto.
453         (define_constraint "K"): Ditto.
454         (define_constraint "M"): Ditto.
455         (define_constraint "N"): Ditto.
456         (define_constraint "O"): Ditto.
457         * config/i386/predicates.md
458         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
459         (define_predicate "const_0_to_3_operand"): Ditto.
460         (define_predicate "const_0_to_7_operand"): Ditto.
461         (define_predicate "const_0_to_15_operand"): Ditto.
462         (define_predicate "const_0_to_63_operand"): Ditto.
463         (define_predicate "const_0_to_255_operand"): Ditto.
464         (define_predicate "const_1_to_31_operand"): Ditto.
465         (define_predicate "const_2_to_3_operand"): Ditto.
466         (define_predicate "const_4_to_7_operand"): Ditto.
467
468 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
469
470         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
471         in SImode for save_world.
472         * config/rs6000/altivec.md (save_world, restore_world): Convert to
473         LR hard reg.
474
475 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
476
477         PR tree-optimization/30784
478         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
479         BIT_FIELD_REF.
480
481 2007-03-25  Revital Eres  <eres@il.ibm.com>
482
483         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
484           Fold movement_possibility function into it.
485
486 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
487
488         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
489         (load_macho_picbase_{si,di}): Convert to LR hard reg.
490         (call_indirect_nonlocal_darwin64): Same.
491         (call_nonlocal_darwin64): Same.
492         (call_value_indirect_nonlocal_darwin64): Same.
493         (call_value_nonlocal_darwin64): Same.
494         (sibcall_nonlocal_darwin64): Same.
495         (sibcall_value_nonlocal_darwin64): Same.
496         (sibcall_symbolic_64): Same.
497         (sibcall_value_symbolic_64): Same.
498         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
499         LR pseudo.
500         (rs6000_emit_load_toc_table): Same.
501         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
502         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
503         (mull_call): Same.
504         (divss_call): Same.
505         (divus_call): Same.
506         (quoss_call): Same.
507         (quous_call): Same.
508         (load_toc_v4_pic_si): Same
509         (load_toc_v4_PIC_1): Same.
510         (load_toc_v4_PIC_1b): Same.
511         (call_indirect_aix{32,64}): Same.
512         (call_value_indirect_aix{32,64}): Same.
513         (call): Same.
514         (call_value): Same.
515         (call_local{32,64}): Same.
516         (call_value_local{32,64}): Same.
517         (call_indirect_nonlocal_aix{32,64}): Same.
518         (call_nonlocal_aix{32,64}): Same.
519         (call_value_indirect_nonlocal_aix{32,64}): Same.
520         (call_value_nonlocal_aix{32,64}): Same.
521         (call_indirect_nonlocal_sysv<mode>): Same.
522         (call_nonlocal_sysv<mode>): Same.
523         (call_value_indirect_nonlocal_sysv<mode>): Same.
524         (call_value_nonlocal_sysv<mode>): Same.
525         (sibcall): Same.
526         (sibcall_local{32,64}): Same.
527         (sibcall_value_local{32,64}): Same.
528         (sibcall_nonlocal_aix{32,64}): Same.
529         (sibcall_value_nonlocal_aix{32,64}): Same.
530         (sibcall_nonlocal_sysv<mode>): Same.
531         (sibcall_value): Same.
532         (sibcall_value_nonlocal_sysv<mode>): Same.
533
534 2007-03-24  Paul Brook  <paul@codesourcery.com>
535
536         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
537         * config/arm/linux-eabi.h: Remove legacy syscall hack.
538
539 2007-03-24  Richard Henderson  <rth@redhat.com>
540
541         * config/ia64/constraints.md: New file.
542         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
543         satisfies_constraint_?.
544         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
545         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
546         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
547         ia64_output_mi_thunk): Likewise.
548         (ia64_const_ok_for_letter_p): Remove.
549         (ia64_const_double_ok_for_letter_p): Remove.
550         (ia64_extra_constraint): Remove.
551         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
552         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
553         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
554         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
555         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
556         EXTRA_MEMORY_CONSTRAINT): Remove.
557         * config/ia64/ia64.md: Include constriants.md.  Replace
558         CONST_OK_FOR_? with satisfies_constraint_?.
559
560 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
561             H.J. Lu  <hongjiu.lu@intel.com>
562
563         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
564         DPD or BID name.
565         (name macros): Use DPD_BID_NAME to convert names properly.
566
567         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
568         decimal floating point format.
569         (init_floating_libfuncs): Change decimal functions so that they
570         have a "bid_" prefix if the decimal system uses the BID format,
571         and "dpd_" prefix if the decimal system uses the DPD format.
572         (init_interclass_conv_libfuncs): Ditto.
573         (init_intraclass_conv_libfuncs): Ditto.
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         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
588         using the BID format.
589
590         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
591         whether we are using the BID decimal format.
592         * configure: Regenerate.
593
594         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
595         the compiler has decimal floating point enabled.  Define
596         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
597         instead of DPD.
598
599         * doc/install.texi (--enable-decimal-float): Document BID and DPD
600         options, and that it is enabled for i386/x86_64 systems.
601
602         * Makefile.in (enable_decimal_float): New.
603         (DECNUMFMT): New.
604         (DECNUMINC): Add  -I$(DECNUMFMT).
605         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
606         to $(DECNUMFMT) from $(DECNUM).
607
608         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
609         Substitute enable_decimal_float.
610         * configure: Regenerated.
611
612         PR other/30529
613         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
614         unsigned long.
615
616         * configure.ac: Enable decimal float for x86_64-*-linux*.
617         * configure: Regenerated.
618
619         PR other/30530
620         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
621         decimal128ClearSign to flip and clear the sign bit in decimal128.
622         (decimal_real_maxval): Set decimal128SetSign to set the sign
623         bit in decimal128.
624
625 2007-03-23  Ian Lance Taylor  <iant@google.com>
626
627         * fold-const.c (fold_binary): Correct warning for X - c >= X.
628
629 2007-03-23  Ian Lance Taylor  <iant@google.com>
630
631         * tree-dump.c (dump_files): Correct comment.
632
633 2007-03-23  Ian Lance Taylor  <iant@google.com>
634
635         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
636
637 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
638
639         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
640         in cfglayout mode.  Don't go into and out of cfglayout mode.
641         Link the blocks in the order of the constructed traces.
642         (rest_of_handle_tracer): Adjust call to tracer.
643         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
644         Don't go into cfglayout mode.
645         (rtl_loop_done): Don't go out of cfglayout mode.
646         * cfglayout.c (relink_block_chain): New function, split out from...
647         (fixup_reorder_chain): ...here.  Remove redundant checking.
648         (cfg_layout_finalize): Don't clear the header, footer, and aux
649         fields here, move the code to do so to relink_block_chain.  Likewise
650         for free_original_copy_tables.
651         * rtl.h (tracer): Update prototype.
652         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
653         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
654         mode.  Use relink_block_chain to serialize the CFG according to the
655         new basic block order.  Move targetm.cannot_modify_jumps_p check from
656         here...
657         (gate_handle_reorder_blocks): ...to here.
658         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
659         from here...
660         (gate_duplicate_computed_gotos): ...to here.
661         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
662         something always changes when going into and out of cfglayout mode.
663         Perform an expensive cfg cleanup while going into cfglayout mode.
664         Always update liveness information on HAVE_conditional_execution
665         targets.  Reserialize the basic blocks and go out of cfglayout mode.
666         * reg-stack.c: Include cfglayout.h.
667         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
668         the call to reorder_basic_blocks.
669         * basic-block.h (reorder_basic_blocks): Update prototype.
670         (relink_block_chain): New prototype.
671         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
672
673 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
674
675         * config/mips/mips.md (type, hazard, *movdi_32bit,
676         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
677         *movhi_internal, *movqi_internal, *movsf_hardfloat,
678         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
679         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
680         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
681         applicable.
682         (movcc): Change first xfer to multi.
683         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
684         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
685         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
686         config/mips/generic.md: Change reservations using "xfer" to use
687         "mfc,mtc".
688         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
689         using match_operand.
690         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
691         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
692         examining mode.
693         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
694
695 2007-03-22  Richard Henderson  <rth@redhat.com>
696
697         * config/i386/i386.c: Remove unnecessary function declarations.
698         Move targetm definition, and all related macros, to the end of
699         the file.  Resort some functions to put definitions before uses.
700         (ix86_attribute_table): Make static.  Move to end of file.
701         (ix86_gimplify_va_arg): Make static.
702
703 2007-03-22  Richard Henderson  <rth@redhat.com>
704
705         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
706         don't increase local_regparm with force_align_arg_pointer check.
707         (ix86_function_sseregparm): Assert 32-bit.
708         (type_has_variadic_args_p): New.
709         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
710         type_has_variadic_args_p.
711         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
712         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
713         use memset instead.  Do maybe_vaarg check first; skip attribute
714         tests if true; skip attribute tests for 64-bit.
715         (construct_container): Remove TARGET_DEBUG_ARG.
716         (function_arg_advance_32, function_arg_advance_64): Split out ...
717         (function_arg_advance): ... from here.
718         (function_arg_32, function_arg_64): Split out ...
719         (function_arg): ... from here.
720         (ix86_pass_by_reference): Tidy.
721         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
722         (function_value_32): New, from parts of ix86_function_value
723         and ix86_value_regno.
724         (function_value_64): New, from parts of ix86_function_value
725         and ix86_libcall_value.
726         (ix86_function_value_1): New.
727         (ix86_function_value, ix86_libcall_value): Use it.
728         (return_in_memory_32, return_in_memory_64): Split out ...
729         (ix86_return_in_memory): ... from here.
730         (ix86_struct_value_rtx): Skip for 64-bit.
731         (ix86_libcall_value, ix86_value_regno): Remove.
732         (setup_incoming_varargs_64): Split out ...
733         (ix86_setup_incoming_varargs): ... from here.
734         (ix86_va_start): Remove TARGET_DEBUG_ARG.
735         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
736         * config/i386/i386-protos.h (ix86_function_value): Remove.
737         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
738
739 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
740
741         PR other/23572
742         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
743         infinities not supported, otherwise emit warning if -Woverflow. On
744         underflow, emit warning if -Woverflow.
745         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
746         and 0 otherwise.
747         * real.h (real_from_string): Update declaration
748
749 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
750             Richard Henderson  <rth@redhat.com>
751
752         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
753         * calls.c (compute_argument_block_size, expand_call,
754         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
755         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
756         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
757         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
758         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
759         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
760         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
761         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
762         Set to 1.
763
764 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
765
766         * c-incpath.c (add_sysroot_to_chain): New.
767         (merge_include_chains): Add sysroot argument.  Call
768         add_sysroot_to_chain if sysrooted.
769         (register_include_chains): Update call to merge_include_chains.
770         * doc/cppopts.texi: Document use of '=' in include directory
771         arguments.
772
773 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
774
775         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
776         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
777         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
778         insn pattern using X87MODEF12 mode macro.
779
780 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
781
782         * regmove.c (regmove_optimize): Use reg_mentioned_p
783         instead of reg_overlap_mentioned_p for DST.
784
785 2007-03-21  Mike Stump  <mrs@apple.com>
786
787         * c.opt: Fixup for Objective-C/C++.
788
789 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
790
791         * explow.c (convert_memory_address): Fold memory reference when
792         POINTERS_EXTEND_UNSIGNED < 0
793
794 2007-03-21  Richard Henderson  <rth@redhat.com>
795
796         PR target/31245
797         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
798         * config/i386/mmintrin.h (__m64): Likewise.
799         * config/i386/xmmintrin.h (__m128): Likewise.
800
801 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
802
803         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
804         (VXWORKS_OS_CPP_BUILTINS): Define.
805         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
806         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
807
808 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
809
810         * rtl.h (constant_pool_reference_p): Delete.
811         (find_constant_src): Declare.
812         * rtlanal.c (find_constant_src): New function.
813         * simplify-rtx.c (constant_pool_reference_p): Delete.
814         * config/i386/i386.md: Use find_constant_src instead of
815         constant_pool_reference_p/avoid_constant_pool_reference pairs.
816
817 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
818
819         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
820         * c-cppbuiltin.c (c_cpp_builtins): Define them.
821
822 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
823
824         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
825         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
826         (arm_elf_asm_constructor): Use it.
827         (arm_elf_asm_destructor): New function.
828
829 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
830
831         * jump.c (mark_jump_label): Treat SEQUENCE specially.
832
833 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
834
835         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
836
837 2007-03-19  Andrew Haley  <aph@redhat.com>
838
839         PR tree-optimization/31264
840         * tree-vrp.c (register_edge_assert_for_1): Don't look though
841         VIEW_CONVERT_EXPRs.
842
843 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
844
845         PR rtl-optimization/30907
846         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
847         (fwprop_init): Always call loop_optimizer_initialize.
848         (fwprop_done): Always call loop_optimizer_finalize.
849         (fwprop): We always have loop info now.
850         (gate_fwprop_addr): Remove.
851         (pass_fwprop_addr): Use gate_fwprop as gate.
852
853         PR rtl-optimization/30841
854         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
855         df_chain_alloc): Call df_reorganize_refs unconditionally.
856         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
857         refs_organized to refs_organized_size.
858         (df_ref_create_structure): Use refs_organized_size instead of
859         bitmap_size if refs had been organized, and keep refs_organized_size
860         up-to-date.
861         * df.h (struct df_ref_info): Change refs_organized to
862         refs_organized_size.
863         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
864         bitmap_size.
865
866 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
867
868         * except.c (output_function_exception_table): Do not reference the
869         EH personality routine for functions that do not require an
870         exception table.
871
872 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
873
874         PR c/30762
875         * c-typeck.c (convert_for_assignment): Call comptypes for
876         RECORD_TYPE or UNION_TYPE.
877
878         PR inline-asm/30505
879         * reload1.c (reload): Do invalid ASM checking after
880         cleanup_subreg_operands.
881
882 2007-03-19  Jeff Law  <law@redhat.com>
883
884         * tree-cfg.c (find_taken_edge): Tighten conditions for
885         optimizing computed gotos.
886
887 2007-03-19  Michael Matz  <matz@suse.de>
888
889         * builtins.c (expand_builtin_sync_operation,
890         expand_builtin_compare_and_swap,
891         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
892         correctly.
893
894         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
895         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
896         for operand 3.
897
898 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
899
900         * doc/tm.texi: Add brackets around the return type of
901         TARGET_SECONDARY_RELOAD.
902
903 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
904         Richard Guenther  <rguenther@suse.de>
905
906         PR tree-optimization/31254
907         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
908         Use handled_component_p () where appropriate.  Continue
909         propagating into the rhs if we propagated into an INDIRECT_REF
910         on the lhs.
911
912 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
913
914         * config/s390/s390.md (op_type attribute): RRR instruction type added.
915         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
916         (xde, xdee): Mode attributes adjusted to support DFP modes.
917         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
918         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
919         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
920         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
921         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
922         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
923         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
924         numbers.
925         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
926         "movsf"): Insn definitions removed.
927         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
928         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
929         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
930         definitions added.
931         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
932         "reload_in<mode>", "reload_out<mode>"): Expander added.
933         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
934         Expander removed.
935
936 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
937
938         * config/s390/s390.md: Only non-functional changes.  Renamed
939         FPR mode macro to BFP all over the file.
940
941 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
942
943         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
944         (op_type attribute): RRF instruction type added.
945         (fT0): New mode attribute.
946         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
947         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
948         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
949         no secondary memory is needed when moving DFmode values between GPRs
950         and FPRs.
951
952 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
953
954         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
955         inverted and documentation adjusted.
956         ("mhard-dfp", "msoft-dfp"): New options.
957         * config/s390/s390.c (s390_handle_arch_option): New architecture
958         switch: z9-ec.
959         (override_options): Sanity checks for the new options added.
960         * config.gcc: New architecture switch: z9-ec.
961         * config/s390/s390.h (processor_flags): PF_DFP added.
962         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
963         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
964         when the bit is NOT set so remove it from the defaults.
965
966 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
967
968         * genemit.c (main): Print include statement for dfp.h.
969         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
970         is not available.
971
972 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
973
974         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
975
976 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
977
978         PR target/31022
979         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
980         instead of PATTERN.
981
982 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
983
984         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
985         attr_length_call, output_call, output_indirect_call): Cleanup
986         formatting of targetm calls.
987
988 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
989
990         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
991
992 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
993
994         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
995         reservation, bypass and anti-bypass descriptions for these instructions.
996         Update move patterns.
997         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
998         TYPE_FPSTORE.
999
1000 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1001
1002         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1003         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1004         (get_initial_def_for_reduction): Likewise.
1005
1006 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1007
1008         Fix PR tree-optimization/29922
1009         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1010         (get_representative): Removed.
1011         (value_dies_in_block_x): Update for rvuse removal.
1012         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1013         (compute_antic_aux): Handle when PHI nodes appear in
1014         non-single-successors.
1015         (dump_bitmap_of_names): Removed.
1016         (compute_antic_safe): Renamed and removed rvuse calculation.
1017         Calculate only antic safe.
1018         (insert_into_preds_of_block): Remove assert.
1019         (execute_pre): Update for renamed functions.
1020         (defer_or_phi_translate_block): New function.
1021
1022 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1023
1024         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1025         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1026         typos.
1027         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1028         Follow spelling conventions.
1029
1030         * tree-data-ref.h: Remove the prototype for analyze_array.
1031
1032 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1033
1034         PR tree-optimization/31041
1035         * tree-vect-transform.c (get_initial_def_for_induction): Call
1036         force_gimple_operand.
1037
1038 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1039
1040         * ipa-type-escape.c (look_for_casts) : Revert code to use
1041         handled_component_p due to ada test a-numaux.adb.
1042
1043 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1044
1045         * final.c (final_scan_insn): Alter the condition of a
1046         conditional trap if we have nonstandard CC.
1047
1048 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1049
1050         * configure.ac: Remove excess quoting from asm line 0 test.
1051         * configure: Rebuilt.
1052
1053 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1054
1055         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1056         * c-common.c (convert_and_check): Move warning logic to...
1057         (warnings_for_convert_and_check): ...here. Define.
1058         * c-common.h (warnings_for_convert_and_check): Declare.
1059
1060 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1061
1062         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1063         (output_call): Likewise.
1064
1065 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1066
1067         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1068
1069 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1070
1071         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1072
1073 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1074
1075         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1076         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1077
1078 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1079
1080         PR tree-optimization/31183
1081         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1082         Use double_int instead of unsigned int for representing access_strides.
1083         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1084
1085 2007-03-16  Richard Guenther  <rguenther@suse.de>
1086
1087         PR tree-optimization/31146
1088         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1089         to allow recursion of forward_propagate_addr_expr.
1090         (forward_propagate_addr_into_variable_array_index): Likewise.
1091         (forward_propagate_addr_expr): Likewise.
1092         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1093         (forward_propagate_addr_expr_1): Recurse on simple copies
1094         instead of propagating into them.  Do so for useless conversions
1095         as well.
1096         (forward_propagate_addr_expr): Clean up unused statements after
1097         recursion.
1098
1099 2007-03-16  Richard Guenther  <rguenther@suse.de>
1100
1101         * builtins.c (expand_builtin_cexpi): Use the right argument
1102         for the expansion via cexp.
1103
1104 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1105
1106         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1107         * configure: Rebuilt.
1108
1109 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1110
1111         PR debug/29906
1112         * dwarf2out.c (force_type_die): Adjust comment.
1113         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1114
1115 2007-03-15  DJ Delorie  <dj@redhat.com>
1116
1117         * config/frv/predicates.md (minmax_operator): Don't check operands
1118         here.
1119
1120 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1121
1122         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1123         Update constant estimates of number of iterations.
1124         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1125         argument renamed to "realistic".
1126         (compute_estimated_nb_iterations): Removed.
1127         (record_niter_bound): New function.
1128         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1129         call record_nonwrapping_iv with upper = false.
1130         (infer_loop_bounds_from_signedness): Pass upper argument to
1131         record_nonwrapping_iv.
1132         (estimate_numbers_of_iterations_loop): Do not call
1133         compute_estimated_nb_iterations.  Record estimate based on profile
1134         information.  Initialize the constant estimates of number of
1135         iterations.
1136         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1137         estimates.
1138         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1139         number of iterations is too small.
1140         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1141         (EST_NOT_AVAILABLE): Removed.
1142         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1143         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1144         fields.
1145
1146 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1147
1148         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1149         Handle NE_EXPR guards.
1150
1151 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1152
1153         PR c++/24924
1154         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1155         Set also -pedantic-errors by default for the  preprocessor unless
1156         -fpermissive is given.
1157
1158 2007-03-15  Richard Guenther  <rguenther@suse.de>
1159
1160         PR middle-end/29719
1161         PR middle-end/31161
1162         * builtins.c (expand_builtin_cexpi): As a fallback if we
1163         don't have builtins for sincos or cexp create a function
1164         declaration for cexp and expand to a call to that.
1165         (expand_builtin_int_roundingfn): Always fall
1166         back to floor/ceil and its variants even if they may be
1167         not available.
1168
1169 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1170
1171         PR middle-end/31159
1172         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1173         jump tables, move the call to delete_dead_jumptables from here...
1174         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1175         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1176         don't allow merging of blocks that try_redirect_by_replacing_jump
1177         also does not handle when not optimizing.
1178
1179 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1180             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1181
1182         * config/i386/i386.md (x86_sahf_1): Correctly handle
1183         HAVE_AS_IX86_SAHF.
1184
1185 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1186
1187         PR target/31167
1188         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1189         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1190         from operand constraints and use "e" constraint instead.
1191         (*subti3_1, *subti3_1 splitter): Ditto.
1192         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1193         operand[1] predicate.
1194
1195 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1196
1197         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1198         arrays, multiply the access strides by the size of the sub-array.
1199         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1200
1201 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1202
1203         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1204         the configured assembler supports the sahf mnemonic.
1205         * configure: Regenerate.
1206         * config.in: Regenerate.
1207
1208         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1209         emit "sahf" or ".byte\t0x9e" as asm template.
1210
1211 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1212
1213         PR 31018
1214         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1215         option to replace hard coded TARGET_xxx in md file.
1216         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1217         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1218         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1219         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1220         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1221         (X86_TUNE_NOT_VECTORMODE): Ditto.
1222         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1223         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1224         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1225         (TUNE_SLOW_IMUL_IMM8): Ditto.
1226         (TUNE_MOVE_M1_VIA_OR): Ditto.
1227         (TUNE_NOT_UNPAIRABLE): Ditto.
1228         (TUNE_NOT_VECTORMODE): Ditto.
1229
1230         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1231         options.
1232
1233         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1234         tuning options instead of hard coded TARGET_xxx.
1235         (fix ssemode peephole2's): Ditto.
1236         (imul peephole2's): Ditto.
1237         (movsi_or): Ditto.
1238         (movdi_or_rex64): Ditto.
1239         (move peephole2): Ditto.
1240         (not peephole2's): Ditto.
1241
1242 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1243
1244         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1245         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1246         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1247         of empty body.
1248         * c-parser.c (c_parser_do_statement): Warn about empty body in
1249         do/while statement.
1250         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1251         * doc/invoke.texi (-Wempty-body): Update documentation.
1252
1253 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1254
1255         PR c/21438
1256         * c-common.h (warn_for_div_by_zero): Declare.
1257         * c-common.c (warn_for_div_by_zero): Define.
1258         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1259         warning.
1260
1261 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1262
1263         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1264         to PREFIX and STANDARD_PREFIX.
1265
1266 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1267             Phil Edwards  <phil@codesourcery.com>
1268
1269         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1270         (__gthread_once_t): Remove busy field for RTPs.
1271         (__GTHREAD_ONCE_INIT): Update accordingly.
1272
1273 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1274
1275         * doc/invoke.texi: Document VxWorks options.
1276
1277 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1278
1279         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1280
1281 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1282
1283         PR tree-optimization/30590
1284         * tree-nrv.c (tree_nrv): Check for the partial update of the
1285         return value.
1286
1287 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1288
1289         * flags.h (flag_random_seed): Remove declaration, in favor of...
1290         * toplev.h (get_random_seed, set_random_seed): ... these.
1291         * tree.c (get_file_function_name): Use the former.
1292         * opts.c (common_handle_option): Use the latter.
1293         * toplev.c
1294
1295 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1296
1297         PR middle-end/31127
1298         * cse.c (cse_find_path): Do not bail out if a basic block that
1299         we already visited now becomes part of a path that starts at a
1300         different basic block.  Just disallow this, to make sure we
1301         visit each basic block at most once.
1302
1303 2007-03-13  Jan Hubicka  <jh@suse.cz>
1304
1305         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1306         when profile esitmate is present, calls with very low frequency are
1307         cold.
1308
1309 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1310
1311         PR tree-optimization/30730
1312         PR tree-optimization/26900
1313         * tree-ssa-loop-niter.c: Include gmp.h.
1314         (bounds): New type.
1315         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1316         split_to_var_and_offset, determine_value_range,
1317         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1318         bound_difference, bounds_add, bounds_negate,
1319         number_of_iterations_ne_max, dump_affine_iv): New functions.
1320         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1321         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1322         difference of initial and final value of control iv to validate
1323         results.
1324         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1325         on the difference of the extremes of the control iv.  Add dumps.
1326         (expand_simple_operations): Handle phi nodes.
1327         (simplify_using_initial_conditions): Do not record used conditions.
1328         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1329         Do not set additional_info.
1330         (implies_nonnegative_p, implies_ge_p): Removed.
1331         (derive_constant_upper_bound): Do not use parameter `additional'.
1332         (record_estimate): Parameter `additional' removed.  Parameter
1333         `i_bound' added.  Do not call derive_constant_upper_bound.
1334         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1335         bound the number of iterations estimate.
1336         (estimate_numbers_of_iterations_loop): Pass the estimate from
1337         the number of iterations analysis to record_estimate.
1338         * tree.h (multiple_of_p): Declare.
1339         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1340         (scev_const_prop): Do not check expression_expensive_p.
1341         * fold-const.c (multiple_of_p): Exported.
1342         * double-int.c (double_int_mask): Exported.
1343         * double-int.h (double_int_mask): Declare.
1344         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1345         field.  Added max field.
1346
1347 2007-03-13  David Taylor  <taylor@candd.org>
1348
1349         PR driver/12448:
1350         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1351         default -MQ.
1352
1353 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1354
1355         PR target/31123
1356         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1357         two unamed patterns.
1358
1359 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1360
1361         * config/i386/i386.opt (mcx16, msahf): New options.
1362         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1363         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1364
1365         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1366         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1367         Output -mcx16 and -msahf options when corresponding bit is set.
1368
1369         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1370         and -msahf options.
1371
1372 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1373
1374         * configure.ac: Test for assembler tolerance to # 0 "".
1375         * configure, config.in: Rebuilt.
1376         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1377
1378 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1379
1380         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1381
1382         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1383         (handle_syscall): Handle direct system calls.
1384         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1385
1386 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1387
1388         * doc/invoke.texi: Fix cpp.info cross-reference.
1389         * doc/passes.texi: Fix gcc.info cross-reference.
1390
1391 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1392
1393         PR tree-optimization/30835
1394         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1395         bb_for_stmt is not NULL before accessing it.
1396
1397 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1398
1399         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1400         some multilibs.
1401
1402 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1403
1404         PR 30635
1405         * doc/install.texi: Document --enable-stage1-languages
1406
1407 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1408
1409         * tree-pass.h (pass_into_cfg_layout_mode,
1410         pass_outof_cfg_layout_mode): Declare.
1411         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1412         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1413         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1414         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1415
1416 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1417
1418         * c-decl.c (warn_variable_length_array): New function.
1419         Refactored from grokdeclarator to handle warn_vla
1420         and handle unnamed array case.
1421         (grokdeclarator): Refactored VLA warning case.
1422         * c.opt (Wvla): New flag.
1423         * doc/invoke.texi (Wvla): New warning.
1424
1425 2007-03-12  Richard Henderson  <rth@redhat.com>
1426
1427         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1428         (TARGET_SECTION_TYPE_FLAGS): New.
1429
1430 2007-03-12  Richard Henderson  <rth@redhat.com>
1431
1432         * config/darwin.c (machopic_reloc_rw_mask): New.
1433         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1434         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1435
1436 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1437
1438         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1439         * cppdefault.h (cpp_PREFIX): Document.
1440         (cpp_PREFIX_len): Likewise.
1441         (cpp_EXEC_PREFIX): New variable.
1442         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1443         * c-incpath.c (add_standard_paths): Correct logic for relocating
1444         paths within prefix.
1445
1446 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1447
1448         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1449         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1450         mode macro.
1451         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1452         fix_truncdfdi_sse using SSEMODEF mode macro.
1453         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1454         fix_truncdfsi_sse using SSEMODEF mode macro.
1455         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1456         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1457
1458 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1459
1460         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1461         elfos.h to tm_file.
1462
1463 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1464
1465         * tree.h : Add multiple_of_p declaration.
1466         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1467         * ipa-type-escape.c (results_of_malloc): Redundant.
1468         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1469         (cast_type): Extended with new members.
1470         (check_cast): Returns cast_type.
1471         (cast): New structure for data of walk_use_def_chains.
1472         (is_malloc_result, is_cast_from_non_pointer_1,
1473         is_cast_from_non_pointer,
1474         is_array_access_through_pointer_and_index): New functions.
1475         (look_for_casts): Returns cast types.
1476         (check_call): Returns void.
1477         (okay_pointer_operation): Use support of pointer plus index,
1478         pointer plus constant and allow all multiplications.
1479
1480 2007-03-11  Richard Guenther  <rguenther@suse.de>
1481
1482         PR tree-optimization/31115
1483         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1484         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1485         A shift count of zero is not special as with *_DIV_EXPR.
1486         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1487         direction.
1488
1489 2007-03-11  Ian Lance Taylor  <iant@google.com>
1490
1491         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1492         the *_DIV_EXPR codes correctly with overflow infinities.
1493
1494 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1495
1496         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1497         indicate success/failure of the analysis. Add negation to subtrahend
1498         in case of subtraction. Fail if both operands contain constants.
1499         (create_data_ref): Fail if analyze_offset fails.
1500
1501 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1502
1503         * config/i386/i386.md (frndintxf2): Rename to ...
1504         (rintxf2): ... this. Remove expander having same name.
1505         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1506         (roundsf2, rounddf2): Ditto.
1507         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1508         (lround<mode>di2, lround<mode>si2): Ditto.
1509
1510 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1511
1512         * lower-subreg.c: Include except.h.
1513         (decompose_multiword_subregs): Verify that the only control flow
1514         insns we can split are loads to multi-words pseudos.
1515         Handle breaking such blocks after splitting, instead of calling
1516         find_many_sub_basic_blocks.
1517
1518         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1519         on the new basic block.  Add a lengthy comment explaining why we
1520         thought this was necessary.
1521         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1522
1523 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1524
1525         PR c++/30924
1526         * tree.c (walk_type_fields): Recurse into the element type of
1527         ARRAY_TYPEs if there is a pointer set.
1528
1529 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1530
1531         * c-common.c (warn_logical_operator): Fix condition.
1532
1533 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1534
1535         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1536         quotation mark.
1537         * config/darwin.c (machopic_select_section): Remove superfluous
1538         argument in call to categorize_decl_for_section.  Remove unused
1539         variable shlib.
1540
1541 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1542
1543         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1544         defined.
1545         * configure: Regenerate.
1546
1547 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1548
1549         PR target/31101
1550         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1551         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1552         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1553         Add LABEL_NUSES to emitted label.
1554         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1555         branch probability value to emitted jump insn.
1556         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1557         Do not check life information and do not re-arrange input operands
1558         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1559
1560 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1561
1562         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1563         the change of decode_asm_operands.
1564
1565 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1566
1567         * mode-switching.c (create_pre_exit): Skip blockage insn.
1568
1569 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1570
1571         * tree-pass.h (TODO_update_smt_usage): Remove.
1572         Update all users.
1573         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1574         argument SOME.
1575         Update all users.
1576
1577 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1578
1579         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1580         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1581         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1582         SOM target.
1583
1584 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1585
1586         * gcc.c: Document %{, in big comment at top.
1587         (input_suffix_matches): Remove special handling for .s and
1588         .S.
1589         (input_spec_matches): New.
1590         (handle_braces): Handle %{,.
1591         (validate_switches): ',' indicates a value which is not a switch.
1592         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1593         to detect assembler input.
1594         * config/i386/sol2.h (CPP_SPEC): Likewise.
1595         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1596         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1597         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1598         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1599         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1600         -m64 causes deployment target to default to 10.5.
1601         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1602
1603 2007-03-09  Richard Henderson  <rth@redhat.com>
1604
1605         PR target/26090
1606         * target.h (targetm.asm.out.reloc_rw_mask): New.
1607         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1608         (TARGET_ASM_OUT): Use it.
1609         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1610         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1611         use the new reloc_rw_mask target hook instead.
1612         (default_section_type_flags_1): Merge into...
1613         (default_section_type_flags): ... here.
1614         (decl_readonly_section_1): Merge into...
1615         (decl_readonly_section): ... here.
1616         (default_elf_select_section_1): Merge into...
1617         (default_elf_select_section): ... here.
1618         (default_unique_section_1): Merge into...
1619         (default_unique_section): ... here.
1620         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1621         (default_select_rtx_section): Use it.
1622         (default_elf_select_rtx_section): Likewise.
1623         * output.h: Update to match.
1624         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1625         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1626         (TARGET_ASM_RELOC_RW_MASK): New.
1627         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1628         to categorize_decl_for_section.
1629         (x86_64_elf_unique_section): Likewise.
1630         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1631         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1632         (TARGET_ASM_RELOC_RW_MASK): New.
1633         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1634         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1635         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1636         (TARGET_RWRELOC): Remove.
1637         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1638         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1639         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1640         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1641         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1642         (rs6000_xcoff_select_section): Use decl_readonly_section.
1643         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1644         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1645         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1646         (TARGET_SECTION_TYPE_FLAGS): Remove.
1647         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1648
1649 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1650
1651         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1652         complex constant equality/inequality comparisons for here.
1653         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1654         known at compile-time or can be simplified to a scalar comparison.
1655         (fold_relational_const): Move compile-time evaluation of complex
1656         constant equality/inequality comparisons to here.
1657
1658 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1659
1660         PR rtl-optimization/30643
1661         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1662         dest_addr_elt.
1663         (fold_rtx): Recurse, like before 2006-11-03.
1664
1665 2007-03-09  DJ Delorie  <dj@redhat.com>
1666
1667         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1668         m32c-pragma.o.
1669
1670 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1671
1672         PR tree-optimization/30375
1673         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1674         LHS of statements is not the same.
1675         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1676
1677 2007-03-09  Chao-ying Fu  <fu@mips.com>
1678
1679         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1680         REV 2.
1681         * doc/invoke.texi (-mdspr2): Document new option.
1682         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1683         New unspec for DSP REV 2.
1684         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1685         these instructions are extended in DSP REV 2.
1686         (mips-dspr2.md): Include.
1687         * config/mips/mips.opt (mdspr2): New option.
1688         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1689         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1690         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1691         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1692         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1693         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1694         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1695         and 2 builtins.
1696         (bdesc_map): Add one field of unsupported_target_flags.
1697         (bdesc_arrays):  Update entries to have extra fields.  Add
1698         dsp_32only_bdesc.
1699         (mips_init_builtins): Initialize new function types.
1700         Check unsupported_target_fileds to filter out builtins.
1701         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1702         TARGET_DSPR2.
1703         (ASM_SPEC): Pass mdspr2 to the assembler.
1704         * config/mips/mips-dspr2.md: New file.
1705
1706 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1707
1708         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1709
1710 2007-03-09  Ian Lance Taylor  <iant@google.com>
1711
1712         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1713         argument) like -Wstrict-overflow=2.
1714         * doc/invoke.texi (Warning Options): Update documentation.
1715
1716 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1717
1718         PR c++/17946
1719         * doc/invoke.texi (-Wlogical-op): Document.
1720         * common.opt (-Wlogical-op): New.
1721         * c-common.h (warn_logical_operator): Declare.
1722         * c-common.c (warn_logical_operator): Define.
1723         * c-typeck.c (parser_build_binary_op): Call
1724         warn_logical_operator.
1725
1726 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1727
1728         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1729         * final.c (final_scan_insn): Test for non-"" file name.
1730
1731 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1732
1733         * doc/loop.texi: Document the Omega linear constraints solver.
1734         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1735         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1736         omega-hash-table-size, omega-max-keys, and
1737         omega-eliminate-redundant-constraints.
1738         * tree-pass.h (pass_check_data_deps): Declared.
1739         * omega.c: New.
1740         * omega.h: New.
1741         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1742         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1743         pass_check_data_deps): New.
1744         * tree-data-ref.c (init_data_ref): Remove declaration.
1745         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1746         (analyze_array): Renamed init_array_ref, move up initializations.
1747         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1748         Removed arguments that are set to NULL.
1749         (analyze_indirect_ref): Correct indentation, correct call to
1750         init_pointer_ref.
1751         (object_analysis): Call init_array_ref instead of analyze_array.
1752         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1753         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1754         of DR_ACCESS_FNS_ADDR.
1755         (init_omega_eq_with_af, omega_extract_distance_vectors,
1756         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1757         ddr_consistent_p): New.
1758         (compute_affine_dependence): Check consistency of ddrs when
1759         flag_check_data_deps is passed.
1760         (analyze_all_data_dependences): Uncomment.
1761         (tree_check_data_deps): New.
1762         * tree-data-ref.h: Include omega.h.
1763         (DR_ACCESS_FNS_ADDR): Removed.
1764         (data_dependence_relation): Add inner_loop.
1765         (DDR_INNER_LOOP): New.
1766         * common.opt (fcheck-data-deps): New.
1767         * tree-flow.h (tree_check_data_deps): Declare.
1768         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1769         (OBJS-common): Depend on omega.o.
1770         (omega.o): Define.
1771         * passes.c (pass_check_data_deps): Scheduled.
1772         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1773         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1774         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1775         PARAM_VECT_MAX_VERSION_CHECKS,
1776         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1777
1778 2007-03-09  Richard Guenther  <rguenther@suse.de>
1779
1780         PR tree-optimization/30904
1781         PR middle-end/31058
1782         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1783         the same way as *_DIV_EXPR.
1784
1785 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1786
1787         * recog.c (decode_asm_operands): No mixed declarations and code.
1788
1789 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1790
1791         * rtl.def (ASM_INPUT): Add location.
1792         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1793         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1794         (decode_asm_operands): Add loc operand.
1795         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1796         * stmt.c (expand_asm): Rename to...
1797         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1798         gen_rtx_ASM_INPUT_loc.
1799         (expand_asm_expr): Adjust.
1800         * recog.c (decode_asm_operands): Add loc operand.
1801         (check_asm_operands, extract_insn): Adjust.
1802         * reload1.c (maybe_fix_stack_asms): Likewise.
1803         * final.c (asm_insn_count): Likewise.
1804         (final_scan_insn): Output # line before and after asm.
1805
1806 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1807
1808         * tree-ssa-structalias.c (variable_info): Remove
1809         finished_solution.
1810         (new_var_info): Ditto.
1811         (shared_bitmap_info_t): New structure.
1812         (shared_bitmap_table): New variable.
1813         (shared_bitmap_hash): New function.
1814         (shared_bitmap_eq): Ditto
1815         (shared_bitmap_lookup): Ditto.
1816         (shared_bitmap_add): Ditto.
1817         (merge_smts_into): Change to take bitmap directly.
1818         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1819         (init_alias_vars): Init shared bitmap hashtable.
1820         (delete_points_to_sets): Delete shared bitmap hashtable.
1821         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1822         is_aliased removal as a change that was still necessary was
1823         deleted.
1824
1825 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1826
1827         * config/i386/i386.h (override_options): Conditionally disable
1828         x86_sahf for 64bit targets only.
1829
1830 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1831
1832         PR C/31072
1833         * c-decl.c (merge_decls): Don't call make_var_volatile.
1834         * varasm.c (make_var_volatile): Remove.
1835         * output.h (make_var_volatile): Remove.
1836
1837 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1838
1839         PR tree-optimization/31085
1840         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1841
1842 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1843
1844         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1845         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1846         ATTR_CONST_NOTHROW_LIST.
1847
1848         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1849         FIX_TRUNC_EXPR.
1850
1851 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1852
1853         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1854
1855 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1856
1857         PR 31013
1858         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1859         is declared.
1860         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1861         passed, use shared libgcc.
1862
1863 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1864
1865         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1866         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1867         (honor_protect_cleanup_actions, lower_try_finally_switch):
1868         Likewise.
1869         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1870         ifc_temp_var): Likewise.
1871         * tree-inline.c (setup_one_parameter): Likewise.
1872         * tree-mudflap.c (mf_decl_cache_locals,
1873         mf_build_check_statement_for): Likewise.
1874         * tree-nested.c (init_tmp_var, save_tmp_var,
1875         finalize_nesting_tree_1): Likewise.
1876         * tree-outof-ssa.c (insert_copy_on_edge,
1877         insert_backedge_copies): Likewise.
1878         * tree-profile.c (tree_gen_edge_profiler,
1879         tree_gen_ic_profiler): Likewise.
1880         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1881         * tree-sra.c (sra_build_assignment): Likewise.
1882         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1883         * tree-ssa-math-opts.c (insert_reciprocals,
1884         execute_cse_sincos_1): Likewise.
1885         * tree-tailcall.c (adjust_accumulator_values,
1886         adjust_return_value): Likewise.
1887         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1888         * tree-vect-transform.c (vect_create_data_ref_ptr,
1889         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1890         vect_create_epilog_for_reduction, vectorizable_reduction,
1891         vectorizable_call, vectorizable_conversion,
1892         vectorizable_assignment, vectorizable_operation,
1893         vectorizable_type_demotion, vect_gen_widened_results_half,
1894         vect_permute_store_chain, vectorizable_store,
1895         vect_setup_realignment, vect_permute_load_chain,
1896         vectorizable_load, vectorizable_condition,
1897         vect_create_cond_for_align_checks): Likewise.
1898         * tree-vrp.c (build_assert_expr_for): Likewise.
1899
1900 2007-03-08  Ian Lance Taylor  <iant@google.com>
1901
1902         * tree-vrp.c: Include "intl.h".
1903         (usable_range_p): New static function.
1904         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1905         overflowed values, juts set *strict_overflow_p.
1906         (compare_values): Only return -2 if one of the operands is not a
1907         constant.
1908         (compare_ranges): Call usable_range_p.
1909         (compare_range_with_value): Likewise.
1910         (vrp_evaluate_conditional_warnv): Rename from
1911         vrp_evaluate_conditional.  Make static.  Change all callers.
1912         (vrp_evaluate_conditional): New function.
1913         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1914         on signed overflow.
1915         (simplify_abs_using_ranges): Likewise.
1916         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1917         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1918         within_stmt parameter.
1919         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1920         vrp_evaluate_conditional.
1921         * tree-ssa-threadedge.c
1922         (record_temporary_equivalences_from_stmts_at_dest): Change
1923         simplify parameter to take a second tree parameter.
1924         (simplify_control_stmt_condition): Likewise.
1925         (thread_across_edge): Likewise.
1926         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1927         (thread_across_edge): Likewise.
1928         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1929
1930 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1931
1932         * config/i386/i386.h (TARGET_SAHF): New define.
1933         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1934         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1935         (x86_sahf): New global variable.
1936         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1937         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1938         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1939         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1940         for 64-bit.
1941         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1942         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1943         when expanding fcomi/sahf based tests.
1944         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1945         expanding sahf based alternative. Emit sahf based sequence when
1946         optimizing for code size.
1947         * config/i386/i386.md (x86_sahf_1): Do not disable for
1948         TARGET_64BIT, enable for TARGET_SAHF.
1949
1950 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1951
1952         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1953         spurious whitespace from error message.
1954
1955 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1956
1957         PR c++/30852
1958         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1959
1960 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1961
1962         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1963         bitfields.
1964         * tree-sra.c (instantiate_element): Propagate disabled warnings
1965         from the element itself to the created variable.
1966
1967 2007-03-07  Richard Henderson  <rth@redhat.com>
1968
1969         PR target/30848
1970         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1971         silently fix up the stack in the case of a missing register.
1972
1973 2007-03-07  Paul Brook  <paul@codesourcery.com>
1974
1975         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1976
1977 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1978
1979         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1980         New.
1981         (phase1_vrs): Use them.
1982         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1983         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1984         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1985         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1986         __gnu_Unwind_Restore_WMMXC if required.
1987         (_Unwind_VRS_Pop): Implement iWMMXt support.
1988         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1989         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1990         gnu_Unwind_Save_WMMXC): Define.
1991
1992 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1993
1994         * config/vxworks.h (vxworks_override_options): Declare.
1995         (VXWORKS_OVERRIDE_OPTIONS): Use it.
1996         * config/vxworks.c: Include target.h and toplev.h.
1997         (vxworks_override_options): New function.
1998         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1999
2000 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2001
2002         * config/s390/s390.c (override_options): Don't emit an error when
2003         -mstack-size is used without providing -mstack-guard.
2004         (s390_emit_prologue): Choose stack_guard value automatically if not
2005         provided via command line.
2006         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2007
2008 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2009
2010         * config/i386/i386.c (output_set_got): Add a GOT initialization
2011         sequence for VxWorks PIC.
2012         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2013         around labels as well as symbols.  Use gotoff_operand instead
2014         of local_symbolic_operand.
2015         (legitimize_pic_address): Use gotoff_operand instead of
2016         local_symbolic_operand.  Use @GOT accesses for labels as
2017         well as symbols.
2018         (ix86_output_addr_diff_elt): Use PC-relative rather than
2019         GP-relative offsets for VxWorks PIC.
2020         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2021         no_new_pseudos.  Check whether the returned register is op0.
2022         * config/i386/i386.md (tablejump): Use PC-relative rather than
2023         GP-relative offsets for VxWorks PIC.
2024         * config/i386/predicates.md (gotoff_operand): New predicate.
2025
2026 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2027
2028         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2029         before defining.
2030         * config/vxworks-dummy.h: New file.
2031         * config/i386/i386.h: Include it.
2032
2033 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2034
2035         * dwarf2out.c (is_inlined_entry_point): New
2036         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2037         DW_AT_ranges if the first subblock is the entry point.
2038
2039 2007-03-06  David Daney  <ddaney@avtrex.com>
2040
2041         * doc/install.texi (mips-*-*): Change recommended binutils
2042         version.
2043
2044 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2045
2046         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2047         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2048         devices.
2049         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2050         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2051
2052 2007-03-06  Jan Hubicka  <jh@suse.cz>
2053
2054         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2055         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2056         are hot.
2057         (probably_cold_bb_p): Cold functions are cold.
2058         (probably_never_executed_bb_p): Cold functions are cold.
2059         (tree_bb_level_predictions): Predict calls to cold functions as not
2060         taken.
2061         (compute_function_frequency): Check hot/cold attributes.
2062         * function.h (function_frequency): Update comments.
2063         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2064         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2065         (c_common_att): Add cold and hot.
2066
2067         * doc/extend.texi (hot,cold attributes): Document.
2068
2069 2007-03-06  Andrew Haley  <aph@redhat.com>
2070
2071         * function.c (expand_function_end): Move blockage to just after we
2072         emit the label for the naked return from the function.
2073
2074 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2075
2076         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2077         before redefining.
2078
2079 2007-03-06  Jan Hubicka  <jh@suse.cz>
2080
2081         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2082         loaded for constant large models.  Non-large 64bit PIC can do.
2083         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2084         * cmodel.h: Add LARGE PIC.
2085         * i386.md (UNSPEC_PLTOFF): New.
2086         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2087         needed.
2088         (*call_1_rex64): Disable for large models.
2089         (*call_1_rex64_large): New.
2090         (*call_value_1_rex64): Disable for large models.
2091         (*call_value_1_rex64_large): New.
2092         (set_rip_rex4): New.
2093         (set_got_offset_rex64): New.
2094         * predicates.md (constant_call_address_operand): For large model
2095         constant calls are not possible.
2096         * i386-protos.h (construct_plt_address): Declare.
2097         * i386.c (override_options): Accept large models.
2098         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2099         (legitimate_constant_p): Add new UNSPECs.
2100         (legitimate_pic_operand_p): Likewise.
2101         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2102         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2103         non-large model.
2104         (output_pic_addr_const): Add PLTOFF.
2105         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2106         (ix86_expand_move): Legitimize pic address when in PIC mode.
2107         (construct_plt_address): New function.
2108         (ix86_expand_call): Offload the address to register and use GOT pointer
2109         for large model.
2110         * invoke.texi (mcmodel=large): Update documentation.
2111
2112 2007-03-06  Richard Henderson  <rth@redhat.com>
2113
2114         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2115         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2116         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2117         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2118         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2119         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2120         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2121         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2122         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2123         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2124         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2125         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2126         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2127         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2128         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2129         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2130         x86_schedule, x86_use_bt, x86_pad_returns,
2131         x86_use_xchgb): Merge into ...
2132         (ix86_tune_features): ... here.  New array.
2133         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2134         x86_bswap): Merge into ...
2135         (ix86_arch_features): ... here.  New array.
2136         (x86_3dnow_a): Remove.
2137         (x86_accumulate_outgoing_args): Make static.
2138         (x86_arch_always_fancy_math_387): Make static.
2139         (ix86_tune_mask, ix86_arch_mask): Move ...
2140         (override_options): ... to local variables here.  Apply the
2141         appropriate mask to each element of ix86_arch_features and
2142         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2143         as were done in the old macros.
2144         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2145         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2146         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2147         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2148         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2149         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2150         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2151         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2152         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2153         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2154         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2155         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2156         x86_accumulate_outgoing_args, x86_prologue_using_move,
2157         x86_epilogue_using_move, x86_decompose_lea,
2158         x86_arch_always_fancy_math_387, x86_shift1,
2159         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2160         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2161         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2162         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2163         x86_use_incdec, x86_pad_returns, x86_bswap,
2164         x86_partial_flag_reg_stall): Remove.
2165         (enum ix86_tune_indices): New.
2166         (ix86_tune_features): New.
2167         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2168         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2169         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2170         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2171         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2172         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2173         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2174         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2175         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2176         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2177         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2178         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2179         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2180         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2181         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2182         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2183         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2184         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2185         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2186         TARGET_EXT_80387_CONSTANTS): Use it.
2187         (enum ix86_arch_indices): New.
2188         (ix86_arch_features): New.
2189         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2190         TARGET_BSWAP): Use it.
2191         (ix86_tune_mask, ix86_arch_mask): Remove.
2192
2193 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2194
2195         PR bootstrap/31020
2196         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2197         Define using $${sysroot_headers_suffix}.
2198         * configure: Regenerate.
2199         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2200         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2201         defined.
2202         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2203         * gcc.c (print_sysroot_headers_suffix): New.
2204         (option_map): Include --print-sysroot-headers-suffix.
2205         (display_help): Mention -print-sysroot-headers-suffix.
2206         (process_command): Handle -print-sysroot-headers-suffix.
2207         (do_spec_1): Append multilib directory to include-fixed path if
2208         sysroot suffixes in use.
2209         (main): Handle -print-sysroot-headers-suffix.
2210         * Makefile.in (start.encap): Don't depend on xlimits.h
2211         (xlimits.h): Remove.
2212         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2213         limits.h for each multilib in fixinc_list.
2214         (fixinc_list, s-fixinc_list): New.
2215         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2216         generate them for each multilib in fixinc_list.
2217         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2218         multilib in fixinc_list.
2219         (mostlyclean): Don't remove xlimits.h.
2220         (clean): Remove include-fixed.
2221         (real-install-headers-tar, real-install-headers-cpio,
2222         real-install-headers-cp): Don't copy include, only include-fixed.
2223         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2224         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2225         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2226         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2227
2228 2007-03-06  Jan Hubicka  <jh@suse.cz>
2229
2230         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2231         NANs easilly.
2232
2233 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2234
2235         * configure.ac: Allow tm_file to contain build-directory files.
2236         * configure: Regenerate.
2237         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2238         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2239         * config/m68k/print-sysroot-suffix.sh: New file.
2240
2241 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2242
2243         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2244         of pic_offset_table_rtx if reload_completed.
2245         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2246         PIC_OFFSET_TABLE_REGNUM.
2247         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2248         return true.
2249         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2250         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2251
2252 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2253
2254         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2255         functions that call eh_return.
2256
2257 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2258
2259         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2260         functions that need a constant pool.
2261
2262 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2263
2264         PR target/28181
2265         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2266         (m68k_preferred_reload_class): Likewise.
2267         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2268         (SECONDARY_RELOAD_CLASS): Define.
2269         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2270         (LIMIT_RELOAD_CLASS): Delete.
2271         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2272         registers from storing bytes.
2273         (m68k_secondary_reload_class): New function.
2274         (m68k_preferred_reload_class): Likewise.
2275
2276 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2277
2278         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2279         leaf functions.
2280         (m68k_expand_prologue): Likewise.
2281
2282 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2283
2284         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2285         (mips_expand_epilogue): Add a bool parameter.
2286         (m68k_legitimize_sibcall_address): Declare.
2287         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2288         (m68k_expand_epilogue): Add a parameter to select between sibling
2289         and normal epilogues.  Only generate a return for the latter.
2290         (m68k_ok_for_sibcall_p): New function.
2291         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2292         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2293         (sibcall_value, *sibcall_value): Likewise.
2294         (*call, *call_value): Require !SIBLING_CALL_P.
2295         (epilogue): Update call to m68k_expand_epilogue.
2296         (sibcall_epilogue): New pattern.
2297         * config/m68k/predicates.md (const_call_operand): Say that this
2298         predicate applies to sibling calls too.
2299         (sibcall_operand): New predicate.
2300
2301 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2302
2303         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2304         alternatives as movsi_cf.
2305         (movsf_cf_hard): Add commentary.
2306
2307 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2308             Richard Sandiford  <richard@codesourcery.com>
2309
2310         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2311         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2312         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2313         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2314         as being live on exit from an interrupt function.
2315         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2316         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2317         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2318         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2319         (m68k_interrupt_function_p): Globalize.
2320         (m68k_compute_frame_layout): Remove reverse mask code.
2321         (m68k_emit_movem, m68k_set_frame_related): New functions.
2322         (m68k_output_function_prologue): Delete in favor of...
2323         (m68k_expand_prologue): ...this new function.
2324         (m68k_output_function_epilogue): Delete in favor of...
2325         (m68k_expand_epilogue): ...this new function.
2326         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2327         functions.
2328         (print_operand): Handle %?.
2329         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2330         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2331         (prologue, epilogue): New patterns.
2332         (return): Turn into a define_expand.
2333         (*return): New pattern, derived from old "return" pattern.  Use rte
2334         rather than rts for interrupt functions.  Only use rtd if the pop
2335         count is nonzero.
2336         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2337         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2338         (link, *link, unlink, *unlink, load_got): Likewise.
2339
2340 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2341
2342         PR target/23482
2343         PR target/17114
2344         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2345         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2346         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2347         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2348         and m68k_matches_u_p.
2349         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2350         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2351         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2352         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2353         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2354         (REG_STRICT_P): New macro.
2355         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2356         PCREL_GENERAL_OPERAND_OK.
2357         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2358         m68k_legitimate_base_reg_p.
2359         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2360         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2361         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2362         * config/m68k/m68k.c (m68k_address): New structure.
2363         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2364         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2365         (m68k_jump_table_ref_p, m68k_decompose_address)
2366         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2367         (m68k_matches_u_p): New functions.
2368         (print_operand_address): Rewrite to use m68k_decompose_index.
2369
2370 2007-03-05  David Taylor  <dtaylor@emc.com>
2371
2372         * gcc.c: Correct copyright date in --version output.
2373
2374 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2375
2376         * pa.md: In unamed move patterns, disparge copies between general
2377         and floating point registers using '?' modifier.  Don't include 'f'
2378         constraint for register preferences in DImode, SImode, HImode and
2379         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2380         Remove constraints for copies between general and floating registers
2381         in soft-float DFmode pattern.
2382         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2383         floating register.
2384         (movsf): Likewise.
2385
2386 2007-03-05  Mike Stump  <mrs@apple.com>
2387
2388         * c-common.c (targetcm): Add.
2389         * c-opts.c (c_common_handle_option): Handle language specific
2390         target options.
2391         * opts.c (handle_option): Verify language for target options, if
2392         any are given.
2393         * opth-gen.awk: Add CL_LANG_ALL.
2394         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2395         (TARGETCM_INITIALIZER): Add.
2396         * target.h (struct gcc_targetcm): Add.
2397         (targetcm): Add.
2398         * targhooks.c (default_handle_c_option): Add.
2399         * targhooks.h (default_handle_c_option): Add.
2400         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2401
2402         * config/darwin.opt (iframework): Add.
2403         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2404         * config/darwin-c.c (handle_c_option): Add.
2405         (TARGET_HANDLE_C_OPTION): Add.
2406         (targetcm): Add.
2407         * doc/invoke.texi (Darwin Options): Add -iframework.
2408
2409 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2410
2411         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2412         conversion.
2413
2414 2007-03-05  Ian Lance Taylor  <iant@google.com>
2415
2416         * c.opt (fgnu89-inline): New option.
2417         * c-opts.c (c_common_post_options): Set default value for
2418         flag_gnu89_inline.
2419         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2420         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2421         inline functions.
2422         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2423         (grokdeclarator, start_function): Likewise.
2424         * c-cppbuiltin.c (c_cpp_builtins): Define either
2425         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2426         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2427         (C Dialect Options): Document -fgnu89-inline.
2428         * doc/extend.texi (Function Attributes): Explain what the
2429         gnu_inline attribute does.
2430         * doc/cpp.texi (Common Predefined Macros): Document
2431         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2432
2433 2007-03-05  Ian Lance Taylor  <iant@google.com>
2434
2435         PR tree-optimization/31034
2436         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2437         half-range if the other side is an overflow infinity.
2438
2439 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2440
2441         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2442         (bfin*-linux-uclibc*): New configuration.
2443         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2444         defining.
2445         * config/bfin/linux.h: New file.
2446         * config/bfin/libgcc-bfin.ver: New file.
2447         * config/bfin/t-bfin-uclinux: New file.
2448         * config/bfin/t-bfin-linux: New file.
2449         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2450         (TARGET_OS_CPP_BUILTINS): New macro.
2451
2452 2007-03-05  Richard Guenther  <rguenther@suse.de>
2453
2454         * fold-const.c (fold_binary): Remove duplicate folding
2455         of comparison of non-null ADDR_EXPR against null.
2456
2457 2007-03-05  Richard Guenther  <rguenther@suse.de>
2458             Dorit Nuzman  <dorit@il.ibm.com>
2459
2460         PR tree-optimization/26420
2461         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2462         are no loops in the function.  Only print the number of
2463         vectorized loops if it is greater than zero or we are supposed
2464         to print information about unvectorized loops.
2465
2466 2007-03-05  Revital Eres  <eres@il.ibm.com>
2467
2468         * gcc.dg/var-expand1.c: New test.
2469         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2470         when an accumulator is expanded.
2471
2472 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2473
2474         PR other/30465
2475         * c-common.c (convert_and_check): Don't give warnings for
2476         conversion if 'expr' already overflowed.
2477
2478 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2479
2480         PR middle-end/30744
2481         * fold-const.c (fold_comparison): Enforce type consistency when
2482         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2483
2484 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2485
2486         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2487         containing a cast to the base of TARGET_MEM_REF.
2488
2489 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2490
2491         * tree.c (tree_contains_struct_check_failed): Remove spurious
2492         whitespace from error message.
2493
2494 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2495
2496         PR target/30406
2497         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2498         instead of precision.
2499
2500 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2501             Nathan Sidwell  <nathan@codesourcery.com>
2502
2503         * emit-rtl.c (find_auto_inc): New.
2504         (try_split): recreate REG_INC notes,
2505         Use regular for loops rather than whiles.
2506
2507 2007-03-03  Andreas Schwab  <schwab@suse.de>
2508
2509         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2510         * configure: Regenerate.
2511
2512 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2513
2514         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2515         flag_rounding_math, not flag_unsafe_math_optimizations.
2516
2517         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2518         fold_build2.
2519         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2520         alpha_fold_vector_minmax): Likewise.
2521         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2522         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2523
2524 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2525
2526         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2527         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2528         if the lhs has side-effects.
2529         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2530
2531 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         * config/i386/i386.h (TUNEMASK): Remove define.
2534         (ARCHMASK): Remove define.
2535         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2536          Use ix86_arch_mask variable instead of ARCHMASK.
2537         * config/i386/i386.c (override_options): Ditto.
2538         (standard_80387_constant_p): Ditto.
2539
2540 2007-03-02  Ian Lance Taylor  <iant@google.com>
2541
2542         Used signed infinities in VRP.
2543         * tree-vrp.c (uses_overflow_infinity): New static function.
2544         (supports_overflow_infinity): New static function.
2545         (make_overflow_infinity): New static function.
2546         (negative_overflow_infinity): New static function.
2547         (positive_overflow_infinity): New static function.
2548         (is_negative_overflow_infinity): New static function.
2549         (is_positive_overflow_infinity): New static function.
2550         (is_overflow_infinity): New static function.
2551         (overflow_infinity_range_p): New static function.
2552         (compare_values_warnv): New function split out of compare_values.
2553         (compare_value): Call it.
2554         (set_value_range_to_nonnegative): Add overflow_infinity
2555         parameter.  Change caller.
2556         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2557         Change callers.
2558         (vrp_expr_computes_nonzero): Likewise.
2559         (compare_ranges, compare_range_with_value): Likewise.
2560         (compare_name_with_value, compare_names): Likewise.
2561         (vrp_evaluate_conditional): Likewise.
2562         (set_value_range): Handle infinity
2563         (vrp_operand_equal_p, operand_less_p): Likewise.
2564         (extract_range_from_assert): Likewise.
2565         (vrp_int_const_binop): Likewise.
2566         (extract_range_from_binary_expr): Likewise.
2567         (extract_range_from_unary_expr): Likewise.
2568         (extract_range_from_comparison): Likewise.
2569         (extract_range_from_expr): Likewise.
2570         (dump_value_range): Likewise.
2571         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2572         (test_for_singularity): Likewise.
2573         (vrp_int_const_binop): Remove inline qualifier.
2574         (adjust_range_with_scev): Add comment.
2575         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2576
2577 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2578
2579         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2580         (get_constraint_for): Likewise.
2581         (do_structure_copy): Likewise.
2582         (find_func_aliases): Fix references to MODIFY_EXPR.
2583         (intra_create_variable_infos): Tidy.
2584         * tree-ssa-operands.c (add_virtual_operand): Add argument
2585         IS_CALL_SITE.
2586         When adding members of alias sets, if IS_CALL_SITE is true and
2587         the symbol is not call-clobbered, skip it.
2588         Adjust all callers.
2589
2590 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2591
2592         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2593         entry by means of emit_insn_at_entry.
2594
2595 2007-03-02  Richard Henderson  <rth@redhat.com>
2596
2597         * expr.h (promoted_input_arg): Remove decl.
2598         * function.c (promoted_input_arg): Merge into ...
2599         * combine.c (setup_incoming_promotions): ... only caller.
2600         Rearrange to avoid double loop.
2601
2602 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2603             Peter Bergner  <bergner@vnet.ibm.com>
2604             Janis Johnson  <janis187@us.ibm.com>
2605
2606         * config/rs6000/dfp.md: New file.
2607         * config/rs6000/rs6000.md: Include dfp.md.
2608         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2609         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2610         and TDmode decimal float modes in FP registers.
2611         (num_insns_constant): Likewise.
2612         (rs6000_legitimate_offset_address_p): Likewise.
2613         (rs6000_legitimize_address): Likewise.
2614         (rs6000_legitimize_reload_address): Likewise.
2615         (rs6000_legitimate_address): Likewise.
2616         (rs6000_emit_move): Likewise.
2617         (function_arg_boundary): Likewise.
2618         (function_arg_advance): Likewise.
2619         (rs6000_darwin64_record_arg_recurse): Likewise.
2620         (function_arg): Likewise.
2621         (rs6000_gimplify_va_arg): Likewise.
2622         (rs6000_split_multireg_move): Likewise.
2623         (rs6000_output_function_epilogue): Likewise.
2624         (rs6000_output_function_epilogue): Likewise.
2625         (rs6000_register_move_cost): Likewise.
2626         (rs6000_function_value): Likewise.
2627         (rs6000_libcall_value): Likewise.
2628
2629 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2630
2631         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2632
2633 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2634
2635         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2636         Use $MULTIDIR to choose between the kernel and RTP headers,
2637         and use $WIND_BASE and $WIND_USR to locate them.
2638
2639 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2640
2641         * config/i386/i386.c (override_options): Put initialization of
2642         ix86_tune_mask and ix86_arch_mask to the correct place.
2643
2644 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2645             Michael Meissner  <michael.meissner@amd.com>
2646
2647         PR target/31019
2648         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2649         (ARCHMASK): Define.
2650         (TARGET_CMOVE): Use ARCHMASK.
2651         (TARGET_CMPXCHG): Ditto.
2652         (TARGET_CMPXCHG8B): Ditto.
2653         (TARGET_XADD): Ditto.
2654         (TARGET_BSWAP): Ditto.
2655         * config/i386/i386.c (ix86_tune_mask): New global variable.
2656         (ix86_arch_mask): Ditto.
2657         (override_options): Initialize ix86_tune_mask and
2658         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2659         target_flags.
2660
2661 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2662
2663         PR 30992
2664         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2665
2666 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2667
2668         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2669         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2670         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2671         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2672         hook.
2673         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2674         rs6000_init_dwarf_reg_sizes_extra): New.
2675         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2676         SPE register high parts.
2677
2678 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2679
2680         * Makefile.in: Add install-pdf target as
2681         copied from automake v1.10 rules.
2682         * configure.ac: Add install-pdf to target list.
2683         * configure: Regenerate.
2684
2685 2007-03-01  Paul Brook  <paul@codesourcery.com>
2686
2687         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2688         modes to LDRD for DImode.
2689         (output_move_double): Fixup out of range ldrd/strd.
2690         (vfp_secondary_reload_class): Rename...
2691         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2692         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2693         coproc_secondary_reload_class for CLASS_IWMMXT.
2694         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2695         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2696
2697 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2698
2699         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2700         factor by the estimated number of iterations.
2701         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2702         prefetch latency.
2703
2704         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2705         decode_caches_intel, detect_caches_intel): New functions.
2706         (host_detect_local_cpu): Use detect_caches_amd and
2707         detect_caches_intel.
2708
2709 2007-03-01  Richard Henderson  <rth@redhat.com>
2710
2711         * expr.c (emit_move_complex_push): Export.
2712         (emit_move_complex_parts): Split out from ...
2713         (emit_move_complex): ... here.
2714         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2715         * config/i386/i386.md (movcdi): New.
2716
2717 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2718
2719         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2720         size of mode1 to check for tieable modes in MMX case.
2721
2722 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2723
2724         * Makefile.in (rtlanal.o): Depend on tree.h.
2725         * rtl.h (offset_within_section_p, split_const): Declare.
2726         * rtlanal.c: Include tree.h.
2727         (offset_within_block_p): New function, taken from
2728         mips_offset_within_object_p.
2729         (split_const): New function, taken from mips_split_const.
2730         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2731         Declare.
2732         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2733         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2734         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2735         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2736         (m68k_illegitimate_symbolic_constant_p): New function.
2737         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2738         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2739         symbolic constant that might be outside the symbol's section,
2740         move the symbol first and then add the offset.
2741         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2742         Override.
2743         * config/mips/mips.c (mips_split_const): Delete.
2744         (mips_offset_within_object_p): Delete.
2745         (mips_symbolic_constant_p): Use offset_within_section_p and
2746         split_const instead of mips_offset_within_object_p and
2747         mips_split_const.
2748         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2749         (mips_legitimize_const_move, print_operand_reloc)
2750         (mips_dangerous_for_la25_p): Use split_const instead of
2751         mips_split_const.
2752
2753 2007-02-28  Eric Christopher  <echristo@apple.com>
2754
2755         * Makefile.in (install-include-dir): Don't rm -rf include.
2756
2757 2007-02-28  Richard Guenther  <rguenther@suse.de>
2758
2759         PR middle-end/30364
2760         * fold-const.c (fold_binary): Do not associate expressions
2761         with more than one variable for integer types that do not wrap.
2762
2763 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2764
2765         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2766         Delete, and replace with...
2767         (fold_builtin_call_array): This.  Update callers to use it.
2768         * fold-const.c (fold_build_call_list): Delete, and replace with...
2769         (fold_build_call_array): This.
2770         (fold_build_call_list_initializer): Delete, and replace with...
2771         (fold_build_call_array_initializer): This.
2772         * tree.h: Update declarations to reflect above changes.
2773
2774         * c-typeck.c (build_function_call): Store converted arguments
2775         in a stack-allocated array instead of building a list.
2776         (convert_arguments): Store arguments in the array passed in as an
2777         argument, and return the actual number of arguments.
2778         * c-format.c: (check_function_format): Pass arguments in an
2779         array instead of a list.
2780         * c-common.c (check_function_nonnull): Likewise.
2781         (check_function_sentinel): Likewise.
2782         (check_function_arguments): Likewise.
2783         * c-common.h: Update declarations to reflect above changes.
2784
2785 2007-02-28  Jan Hubicka  <jh@suse.cz>
2786
2787         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2788         PRED_NEGATIVE_RETURN): Update outcomes.
2789
2790 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2791
2792         * calls.c (emit_library_call_value_1): Handle partial registers
2793         correctly when building up CALL_INSN_FUNCTION_USAGE.
2794
2795 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2796
2797         * pa/predicates.md (move_src_operand): Allow zero for mode.
2798         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2799         move pattern.
2800
2801 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2802
2803         PR target/30970
2804         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2805         *movv2df_internal): Enable pattern only for valid operand
2806         combinations.
2807         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2808         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2809
2810 2007-02-27  Mike Stump  <mrs@apple.com>
2811
2812         * config/darwin-crt3.c: Avoid compilation when compiling for a
2813         kext multilib.
2814
2815 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2816
2817         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2818         FIXED_INCLUDE_DIR.
2819         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2820         for fixed headers and limits.h.
2821         (install-include-dir, install-headers-tar, install-headers-cpio,
2822         install-headers-cp, real-install-headers-tar,
2823         real-install-headers-cpio, real-install-headers-cp): Handle
2824         include-fixed as well as include.
2825         (install-mkheaders): Don't install files that go only in include
2826         not include-fixed.
2827         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2828         from GCC_INCLUDE_DIR.
2829         * gcc.c (process_command): Remove special -BstageN/ handling.
2830         (do_spec_1): Add include-fixed directories.
2831
2832 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2833
2834         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2835         _smulsi3_highpart.
2836         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2837         New functions.
2838         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2839         patterns.
2840
2841 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2842
2843         * c-common.c (get_priority): Add check for
2844         SUPPORTS_INIT_PRIORITY.
2845
2846 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2847
2848         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2849
2850         * config/bfin/bfin.c: Include "cfglayout.h".
2851         (MAX_LSETUP_DISTANCE): New macro.
2852         (struct loop_info): New members incoming, incoming_src and
2853         incoming_dest.  Delete member predecessor.
2854         (length_for_loop): New function.
2855         (bfin_optimize_loop): Handle more different loop structures.
2856         (bfin_discover_loop): Rework detection of predecessor blocks by
2857         examining incoming edges.
2858         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2859         bfin_reorg_loops.
2860         (bfin_reorder_loops): New function.
2861         (bfin_reorg_loops): Use these three new functions.
2862
2863         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2864         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2865         (CONSTRAINT_LEN): Add entry for 'q'.
2866         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2867         Add 'q' constraints.
2868         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2869         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2870
2871         * config/bfin/bfin.md (add_with_carry): New pattern.
2872         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2873         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2874         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2875         support unsigned multiplies too.  Removed incorrect commutativity from
2876         operand 1 constraint where appropriate.
2877         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2878         patterns.
2879         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2880         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2881         New patterns.
2882         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2883         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2884         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2885         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2886         usmulhisi_hh_huh): New patterns.
2887
2888         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2889         lshifthi3): Fix output template to use half reg for operand 2.
2890
2891         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2892         instead of R2.
2893
2894         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2895
2896 2007-02-27  Andreas Schwab  <schwab@suse.de>
2897
2898         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2899
2900 2007-02-27  Jan Hubicka  <jh@suse.cz>
2901
2902         * predict.c (last_basic_block_p): Remove.
2903         (tree_estimate_probability): Update return heuristic for commonized
2904         return blocks.
2905
2906 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2907
2908         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2909
2910 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2911
2912         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2913         * doc/cpp.texi: Standardize title page.
2914         * doc/cppinternals.texi: Likewise.
2915         * doc/gcc.texi: Standardize title page, remove version number
2916         from copyright page.
2917         * doc/gccint.texi: Likewise.
2918         * doc/install.texi: Standardize title page, add table of
2919         contents.
2920
2921 2007-02-26  Jan Hubicka  <jh@suse.cz>
2922
2923         * predict.def: Set outcomes according to more recent results.
2924         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2925         Remove dead predictors.
2926         * predict.c (return_prediction): Fix pasto.
2927
2928 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2929
2930         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2931         change; avoid a memory leak when returning early.
2932
2933 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2934
2935         * c-decl.c (static_ctors): Move to c-common.c.
2936         (static_dtors): Likewise.
2937         (finish_function): Use c_record_cdtor_fn.
2938         (build_cdtor): Move to c-common.c.
2939         (c_write_global_declarations): Use c_build_cdtor_fns.
2940         * c-common.h (static_ctors): Declare.
2941         (static_dtors): Likewise.
2942         (c_record_cdtor_fn): Likewise.
2943         (c_build_cdtor_fns): Likewise.
2944         * c-common.c (static_ctors): New variable.
2945         (static_dtors): Likewise.
2946         (c_record_cdtor_fn): New function.
2947         (build_cdtor): Move from c-decl.c
2948         (c_build_cdtor_fns): New function.
2949
2950         * output.h (assemble_addr_to_section): Declare.
2951         (get_cdtor_priority_section): Likewise.
2952         * varasm.c (assemble_addr_to_section): New function.
2953         (get_cdtor_priority_section): Likewise.
2954         (default_named_section_asm_out_destructor): Use them.
2955         (destor_dtor_section_asm_out_destructor): Likewise.
2956         (default_named_section_asm_out_constructor): Likewise.
2957         (default_ctor_section_asm_out_constructor): Likewise.
2958         * config.gcc (*-*-vxworks*): Include vxworks.o.
2959         * config/t-vxworks (vxworks.o): New target.
2960         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2961         (TARGET_ASM_CONSTRUCTOR): Define.
2962         (TARGET_ASM_DESTRUCTOR): Likewise.
2963         (vxworks_asm_out_constructor): Declare.
2964         (vxworks_asm_out_destructor): Likewise.
2965
2966         * c-common.c (get_priority): Check that we have not just an
2967         INTEGER_CST, but an integer constant with integeral type.
2968
2969 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2970
2971         PR tree-optimization/30938
2972         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2973         use &dt[nargs-1] instead of &dt[nargs] in the call to
2974         vect_is_simple_use().
2975
2976 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2977
2978         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2979         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2980         Do not attempt to handle MEM inside auto-inc expressions.
2981         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2982         of a register modified by an auto-inc expression.  However, do handle
2983         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2984         (elimination_effects): Prohibit elimination of a register modified
2985         by an auto-inc expression.  Disable register elimination rules whose
2986         target register is modified by an auto-inc expression with variable
2987         increment.
2988
2989 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2990
2991         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2992         off-by-one error.
2993         (array_at_struct_end_p): New function.
2994         (idx_infer_loop_bounds): Use it.
2995         (estimate_numbers_of_iterations_loop): Export.
2996         * predict.c (predict_loops): Use estimated_loop_iterations_int.
2997         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2998         (tree_estimate_probability): Call record_loop_exits.
2999         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3000         (estimated_loop_iterations, estimated_loop_iterations_int,
3001         estimated_loop_iterations_tree): New functions.
3002         (analyze_siv_subscript_cst_affine,
3003         compute_overlap_steps_for_affine_1_2,
3004         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3005         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3006         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3007         (PRED_LOOP_ITERATIONS_GUESSED): New.
3008         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3009         * cfgloop.h (estimate_numbers_of_iterations_loop,
3010         estimated_loop_iterations_int): Declare.
3011
3012 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3013
3014         * doc/extend.texi: Document optional priority argument to
3015         constructors and destructors.
3016         * tree.c (init_priority_for_decl): Adjust GTY markers.
3017         (init_ttree): Use priority-info hash functions for
3018         init_priority_for_decl.
3019         (tree_map_eq): Rename to ...
3020         (tree_map_base_eq): ... this.
3021         (tree_map_marked_p): Rename to ...
3022         (tree_map_base_marked_p): ... this.
3023         (tree_map_base_hash): New function.
3024         (decl_init_priority_lookup): Rework.
3025         (decl_fini_priority_lookup): New function.
3026         (decl_priority_info): New function.
3027         (decl_init_priority_insert): Use it.
3028         (decl_fini_priority_insert): Likewise.
3029         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3030         hierarchy.
3031         (decl_restrict_base_insert): Likewise.
3032         (decl_debug_expr_insert): Likewise.
3033         (decl_value_expr_lookup): Likewise.
3034         (decl_value_expr_insert): Likewise.
3035         * tree.h (priority_type): New type.
3036         (decl_init_priority_lookup): Use priority_type.
3037         (decl_fini_priority_lookup): New function.
3038         (decl_init_priority_insert): Use priority_type.
3039         (decl_fini_priority_insert): New function.
3040         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3041         (DECL_INIT_PRIORITY): Likewise.
3042         (SET_DECL_INIT_PRIORITY): Add comment.
3043         (DECL_FINI_PRIORITY): New macro.
3044         (SET_DECL_FINI_PRIORITY): Likewise.
3045         (DEFAULT_INIT_PRIORITY): Document.
3046         (MAX_INIT_PRIORITY): Likewise.
3047         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3048         (tree_map_base): New type.
3049         (tree_map_base_eq): New function.
3050         (tree_map_base_hash): Likewise.
3051         (tree_map_base_marked_p): Likewise.
3052         (tree_map): Inherit from tree_map_base.
3053         (tree_map_eq): Make it a macro.
3054         (tree_map_marked_p): Likewise.
3055         (tree_int_map): Inherit from tree_map_base.
3056         (tree_int_map_eq): Make it a macro.
3057         (tree_int_map_hash): Likewise.
3058         (tree_int_map_marked_p): Likewise.
3059         (tree_priority_map): New type.
3060         (tree_priority_map_eq): New macro.
3061         (tree_priority_map_hash): Likewise.
3062         (tree_priority_map_marked_p): Likewise.
3063         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3064         hierarchy.
3065         (emutls_common_1): Likewise.
3066         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3067         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3068         of tree_map hierarchy.
3069         * tree-cfg.c (move_stmt_r): Likewise.
3070         (new_label_mapper): Likewise.
3071         * c-tree.h (c_expand_body): Move to ...
3072         * c-common.h (c_expand_body): ... here.
3073         * c-decl.c (c_expand_body): Move to ...
3074         * c-common.c (c_expand_body): ... here.
3075         (c_common_attribute_table): Allow 1 argument for the constructor
3076         and destructor attributes.
3077         (get_priority): New function.
3078         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3079         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3080
3081 2007-02-24  Jan Hubicka  <jh@suse.cz>
3082
3083         PR middle-end/30509
3084         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3085
3086 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3087             Jan Hubicka  <jh@suse.cz>
3088
3089         PR target/30778
3090         * i386.c (counter_mode): New function.
3091         (expand_set_or_movmem_via_loop): Use it.
3092         (expand_movmem_epilogue): Likewise; fix pasto.
3093         (ix86_expand_movmem): Do emit guard even for constant counts.
3094         (ix86_expand_setmem): Likewise.
3095
3096 2007-02-25  Nick Clifton  <nickc@redhat.com>
3097
3098         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3099         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3100
3101 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3102
3103         PR target/30770
3104         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3105         count argument with 0x10, not with 0x16.
3106         (expand_setmem_epilogue): Ditto.
3107
3108 2007-02-24  Mike Stump  <mrs@apple.com>
3109
3110         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3111         symbols.
3112
3113 2007-02-24  Richard Guenther  <rguenther@suse.de>
3114
3115         PR middle-end/30951
3116         * fold-const.c (fold_binary): Fold x +- CST op x for
3117         EQ_EXPR and NE_EXPR.
3118
3119 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3120
3121         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3122
3123 2007-02-24  Jan Hubicka  <jh@suse.cz>
3124
3125         * cgraphunit.c (decide_is_function_needed): Honor
3126         -fkeep-inline-functions.
3127
3128 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3129
3130         * builtins.c (fold_builtin_modf): New.
3131         (fold_builtin_2): Use it.
3132
3133 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3134
3135         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3136         (determine_max_iter): Take additional LOOP arg; all callers changed.
3137         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3138         one using simplifications.
3139         (simplify_using_initial_values): Return if the expression becomes
3140         invalid due to altered regs.
3141
3142 2007-02-23  DJ Delorie  <dj@redhat.com>
3143
3144         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3145
3146 2007-02-23  Mike Stump  <mrs@apple.com>
3147
3148         * tlink.c (scan_linker_output): Parse linker messages from
3149         darwin9's linker better.
3150
3151 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3152
3153         PR debug/29614
3154         * varpool.c (varpool_assemble_pending_decls):  Set
3155         varpool_last_needed_node to null.
3156
3157 2007-02-23  DJ Delorie  <dj@redhat.com>
3158
3159         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3160         alignment bigger than the object file can handle.
3161
3162 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3163
3164         PR target/30825
3165         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3166         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3167         (*movsf_1): Penalize MMX moves.
3168
3169 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3170
3171         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3172         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3173
3174         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3175
3176 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3177
3178         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3179         (fold_builtin_1): Use them.
3180         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3181         BUILT_IN_SIGNIFICAND.
3182
3183 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3184
3185         * config/i386/i386.c (bdesc_1arg): Initialize
3186         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3187         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3188         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3189         and IX86_BUILTIN_MOVSLDUP.
3190
3191 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3192
3193         PR rtl-optimization/30841
3194         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3195
3196 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3197
3198         * builtins.c (fold_builtin_frexp): New.
3199         (fold_builtin_2): Use it.
3200
3201 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3202
3203         * doc/invoke.texi (Spec Files): Document getenv spec function.
3204
3205         * gcc.c (getenv_spec_function): New function.
3206         (static_spec_functions): Add it.
3207         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3208         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3209         header files.
3210
3211 2007-02-22  Michael Matz  <matz@suse.de
3212
3213         PR c++/29433
3214         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3215         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3216
3217 2007-02-22  Ian Lance Taylor  <iant@google.com>
3218
3219         PR debug/30898
3220         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3221         (mem_loc_descriptor): Call it.
3222
3223 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3224             Ira Rosen  <irar@il.ibm.com>
3225
3226         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3227
3228 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3229
3230         PR tree-optimization/30843
3231         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3232         stores only after all the group is vectorized.
3233
3234 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3235
3236         PR tree-optimization/30858
3237         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3238         in the reduction cycle have a single use in the loop.
3239         * tree-vectorizer.h (relevant): Add documentation.
3240
3241 2007-02-20  Mike Stump  <mrs@apple.com>
3242
3243         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3244         * configure: Regenerate.
3245
3246 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3247
3248         Change the defaults of some parameters and options.
3249         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3250         * config/spu/spu.c (spu_optimization_options): Add.
3251         (spu_override_options): Change params in spu_optimization_options.
3252         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3253
3254         Register 127 is only 16 byte aligned when used as a frame pointer.
3255         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3256         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3257         HARD_FRAME_POINTER_REGNUM.
3258         (spu_legitimate_address):  Use regno_aligned_for_reload.
3259         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3260         aligned when frame_pointer_needed is true.
3261         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3262         to 8 bits.
3263         * config/spu/spu.h (INIT_EXPANDERS): Define.
3264
3265         Make sure shift and rotate instructions have valid immediate operands.
3266         * config/spu/predicates.md (spu_shift_operand): Remove.
3267         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3268         * config/spu/constraints.md (W, O): Extend range.
3269         * config/spu/spu.md (umask, nmask): Define.
3270         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3271         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3272         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3273         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3274         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3275         (lshr<mode>3_reg):  Fix rtl description.
3276
3277         Make sure mulhisi immediate operands are valid.
3278         * config/spu/predicates.md (imm_K_operand): Add.
3279         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3280
3281         Generate constants using fsmbi and andi.
3282         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3283         (print_operand, spu_split_immediate, classify_immediate,
3284         fsmbi_const_p): Handle IC_FSMBI2.
3285
3286         Correctly handle a CONST_VECTOR containing symbols.
3287         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3288         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3289         (immediate_load_p): Allow symbols that use 2 instructions to create.
3290         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3291         with symbols when flag_pic is set.
3292         (const_vector_immediate_p): New.
3293         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3294         accept a CONST_VECTOR with symbols.
3295         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3296         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3297         correctly.
3298         * config/spu/spu.md (high, low): Delete.
3299         (low_<mode>): Define.
3300
3301         Remove INTRmode and INTR_REGNUM, which didn't work.
3302         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3303         of INTR_REGNUM.
3304         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3305         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3306         peephole2 pattern): Don't use INTR or 131.
3307         (movintrcc): Delete.
3308         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3309         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3310         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3311         (UNSPEC_SET_INTR): Add.
3312         * config/spu/spu-modes.def (INTR): Remove.
3313
3314         More accurate warnings about run-time relocations.
3315         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3316
3317         Correctly warn about immediate arguments to specific intrinsics.
3318         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3319         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3320         the instruction predicate.
3321
3322         Fix tree check errors with latest update.
3323         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3324         CALL_EXPR_ARG.
3325         (spu_expand_builtin): Use CALL_EXPR_FN.
3326
3327         Add missing specific intrinsics.
3328         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3329         si_bislede.
3330         * config/spu/spu_internals.h: Ditto.
3331
3332         Fix incorrect operand modifiers.
3333         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3334         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3335
3336         Optimize one case of zero_extend of a vec_select.
3337         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3338
3339         Accept any immediate for hbr.
3340         * config/spu/spu.md (hbr):  Change s constraints to i.
3341
3342 2007-02-21  Paul Brook  <paul@codesourcery.com>
3343
3344         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3345         condexec_count when skipping USE and CLOBBER.
3346
3347 2007-02-21  Nick Clifton  <nickc@redhat.com>
3348
3349         * common.opt (Warray-bounds): Add Warning attribute.
3350         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3351         Likewise.
3352         (fsized-zeroes): Add Optimization attribute.
3353         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3354         * c.opt (Wc++0x-compat): Add Warning attribute.
3355
3356 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3357
3358         PR middle-end/30761
3359         * reload1.c (eliminate_regs_in_insn): In the single_set special
3360         case, attempt to re-recognize the insn before falling back to
3361         having reload fix it up.
3362
3363 2007-02-20  Eric Christopher  <echristo@gmail.com>
3364
3365         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3366         Rewrite accordingly.
3367         (frv_read_iacc_argument): Ditto.
3368         (frv_expand_set_builtin): Take a call instead of arglist, update for
3369         above changes.
3370         (frv_expand_unop_builtin): Ditto.
3371         (frv_expand_binop_builtin): Ditto.
3372         (frv_expand_cut_builtin): Ditto.
3373         (frv_expand_binopimm_builtin): Ditto.
3374         (frv_expand_voidbinop_builtin): Ditto.
3375         (frv_expand_int_void2arg): Ditto.
3376         (frv_expand_prefetches): Ditto.
3377         (frv_expand_voidtriop_builtin): Ditto.
3378         (frv_expand_voidaccop_builtin): Ditto.
3379         (frv_expand_load_builtin): Ditto.
3380         (frv_expand_store_builtin): Ditto.
3381         (frv_expand_mdpackh_builtin): Ditto.
3382         (frv_expand_mclracc_builtin): Ditto.
3383         (frv_expand_mrdacc_builtin): Ditto.
3384         (frv_expand_mwtacc_builtin): Ditto.
3385         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3386         calls for above.
3387
3388 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3389
3390         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3391         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3392         cmpb instruction.
3393         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3394         point instructions.
3395         * configure: Regenerate.
3396         * config.in: Regenerate.
3397         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3398         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3399         masks to power6 and power6x and to POWERPC_MASKS.
3400         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3401         _ARCH_PWR6.
3402         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3403         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3404         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3405         Access PROTOTYPE as variable, not mask.
3406
3407 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3408
3409         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3410         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3411         * combine.c (adjust_for_new_dest): Use it.
3412         * postreload.c (reload_combine): Likewise.
3413
3414 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3415
3416         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3417         notes on an insn with multiple sets, even if single_set returns
3418         non-NULL for that insn.
3419
3420 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3421
3422         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3423         scalbn and scalbln.
3424
3425 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3426
3427         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3428         if user didn't pass it.
3429         * config/i386/darwin.h (CC1_SPEC): Likewise.
3430         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3431         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3432         -mmacosx-version-min.
3433
3434 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3435             Uros Bizjak  <ubizjak@gmail.com>
3436
3437         * optabs.h (enum optab_index): Add new OTI_scalb.
3438         (scalb_optab): Define corresponding macro.
3439         * optabs.c (init_optabs): Initialize scalb_optab.
3440         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3441         patterns.
3442         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3443         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3444         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3445         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3446         flag_unsafe_math_optimizations is set.
3447
3448         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3449         to implement scalbf, scalb and scalbl built-ins as inline x87
3450         intrinsics.
3451
3452 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3453             DJ Delorie <dj@redhat.com>
3454
3455         PR other/30824
3456         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3457         (diagnostic_report_diagnostic): ... here, and turn them into real
3458         errors. If warnings are inhibited, no need to do anything.
3459
3460 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3461
3462         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3463         better code generation.
3464
3465 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3466
3467         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3468
3469 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3470
3471         * config/alpha/alpha.c, config/alpha/alpha.md,
3472         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3473         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3474         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3475         config/arm/lib1funcs.asm: Follow spelling conventions.
3476
3477         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3478         config/fr30/fr30.md, config/i386/i386.h,
3479         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3480         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3481         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3482         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3483         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3484         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3485         config/sparc/sparc.c, config/sparc/sparc.h,
3486         config/sparc/sparc.md, config/spu/constraints.md,
3487         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3488         conventions.
3489
3490 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3491
3492         PR target/29943
3493         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3494         alias attribute.
3495
3496 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3497
3498         * doc/invoke.texi (-ftree-lrs): Remove.
3499
3500 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3501
3502         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3503         NULL.
3504
3505 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3506
3507         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3508         new CALL_EXPR_FN macro for retrieving the function
3509         declaration of the input expression.
3510
3511 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3512
3513         * c.opt (Waddress): New.
3514         * common.opt (Walways-true): Delete.
3515         (Wstring-literal-comparison): Delete.
3516         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3517         -Wstring-literal-comparison. Add -Waddress.
3518         (Waddress): New.
3519         (Walways-true): Delete.
3520         (Wstring-literal-comparison): Delete.
3521         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3522         consistently instead of -Walways-true in example.
3523         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3524         * c-typeck.c (parser_build_binary_op): Replace
3525         -Wstring-literal-comparison and -Walways-true with -Waddress.
3526         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3527         with -Waddress.
3528
3529 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3530
3531         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3532         without DECL_STRUCT_FUNCTION initialized.
3533
3534 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3535
3536         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3537         due to calls to functions taking pointers as parameters.
3538
3539 2007-02-19  Richard Henderson  <rth@redhat.com>
3540
3541         PR debug/29558
3542         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3543         in memory.
3544
3545 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3546
3547         * config/s390/s390.c (s390_call_saved_register_used,
3548         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3549         accessed to the new scheme.
3550
3551 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3552
3553         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3554         (cris_print_index, cris_print_operand, cris_print_operand_address)
3555         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3556         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3557         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3558         GET_CODE () == xxx.
3559         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3560         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3561         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3562         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3563         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3564         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3565         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3566         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3567         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3568         (uminsi3, call, call_value): Ditto.
3569         (define_split: indir_to_reg_split, unnamed): Ditto.
3570
3571 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3572
3573         PR tree-optimization/30975
3574         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3575         wrong assert.
3576
3577 2007-02-18  Eric Christopher  <echristo@gmail.com>
3578
3579         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3580         Remove use of arglist.
3581         (mips_expand_builtin): Remove use of arglist, pass in expr.
3582         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3583         (mips_expand_builtin_movtf): Ditto.
3584         (mips_expand_builtin_compare): Ditto.
3585
3586 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3587
3588         * tree-sra.c (sra_build_assignment): Replace assertion
3589         checking with a comment explaining why it can't be done.
3590
3591 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3592
3593         PR middle-end/30833
3594         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3595         during CALL_EXPR representation conversion.
3596         * tree-ssa-propagate.c (set_rhs): Likewise.
3597
3598 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3599
3600         * tree-sra.c (sra_build_assignment): Disable assertion checking
3601         for now.
3602
3603 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3604
3605         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3606         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3607         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3608         Likewise.
3609         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3610         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3611         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3612         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3613         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3614         force_gimple_operand): Likewise.
3615         * ipa-cp.c (constant_val_insert): Likewise.
3616         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3617         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3618         perfect_nestify): Likewise.
3619         * langhooks.c (lhd_omp_assignment): Likewise.
3620         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3621         lower_copyprivate_clauses, lower_send_clauses,
3622         lower_send_shared_vars, expand_parallel_call,
3623         expand_omp_for_generic, expand_omp_for_static_nochunk,
3624         expand_omp_for_static_chunk, expand_omp_sections,
3625         lower_omp_single_copy, lower_omp_for_lastprivate,
3626         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3627         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3628         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3629         Likewise.
3630
3631 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3632
3633         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3634         config/sh/sh.md: Follow spelling conventions.
3635
3636         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3637         config/frv/predicates.md: Follow spelling conventions.
3638
3639         * config/m68k/linux-unwind.h: Fix a comment typo.
3640         * target.h: Follow spelling conventions.
3641
3642 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3643
3644         PR rtl-optimization/28173
3645         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3646         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3647         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3648         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3649         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3650
3651 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3652
3653         * builtins.c (fold_builtin_load_exponent): New.
3654         (fold_builtin_2): Use it.
3655
3656 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3657
3658         PR rtl-optimization/30773
3659         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3660         if we fail to attach a REG_EQUIV note.
3661
3662 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3663             Roger Sayle  <roger@eyesopen.com>
3664
3665         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3666
3667 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3668
3669         * calls.c (initialize_argument_information): Pass original EXP
3670         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3671         code to split complex arguments here, as part of initializing the
3672         ARGS array.
3673         (expand_call): Remove code that builds a list of arguments and
3674         inserts implicit arguments into it.  Instead, just count how many
3675         implicit arguments there will be so we can determine the size of
3676         the ARGS array, and let initialize_argument_information do the work.
3677         (split_complex_values): Delete unused function.
3678
3679 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3680
3681         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3682
3683 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3684
3685         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3686         for arg pointer based indexed addressing.
3687
3688 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3689
3690         * config/ia64/ia64.h, config/ia64/ia64.md,
3691         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3692         spelling conventions.
3693
3694 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3695
3696         * config/m68k/m68k.c (split_di): New.
3697         * config/m68k/m68k-protos.h: Declare split_di.
3698         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3699           Improve predicate handling and split constant shifts.
3700
3701 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3702
3703         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3704         parameter for register bitfield operations, general predicates
3705         cleanup
3706
3707 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3708
3709         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3710         * config/m68k/linux-unwind.h: New file.
3711
3712 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3713
3714         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3715         config/i386/athlon.md, config/ia64/ia64.md,
3716         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3717         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3718         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3719         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3720         tree-vect-transform.c: Fix comment typos.
3721
3722 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3723
3724         * sched-deps.c (find_insn_list): Remove.
3725         * sched-int.h: Remove the prototype for find_insn_list.
3726
3727 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3728
3729         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3730         to linker.
3731         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3732         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3733         darwin_rs6000_override_options.
3734         (C_COMMON_OVERRIDE_OPTIONS): Expect
3735         darwin_macosx_version_min to be non-NULL always.
3736         (TARGET_C99_FUNCTIONS): Likewise.
3737         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3738         (DARWIN_MINVERSION_SPEC): New.
3739         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3740         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3741         to cc1*.
3742         (DARWIN_MINVERSION_SPEC): New.
3743         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3744         value.
3745         * config/darwin-c.c (darwin_cpp_builtins): Expect
3746         darwin_macosx_version_min to be non-NULL always.
3747
3748         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3749
3750 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3751
3752         * config/i386/i386.h (x86_use_xchgb): New.
3753         (TARGET_USE_XCHGB): New macro.
3754         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3755         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3756         Split after reload into bswaphi for shifts of 8.
3757         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3758         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3759         or when optimizing for size.
3760
3761 2007-02-16  Richard Guenther  <rguenther@suse.de>
3762             Christian Bruel  <christian.bruel@st.com>
3763
3764         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3765         DECLs but prefer SSA_NAMEs over DECLs.
3766
3767 2007-02-16  Richard Guenther  <rguenther@suse.de>
3768
3769         * tree-flow-inline.h (single_imm_use_p): Remove.
3770         (zero_imm_uses_p): Likewise.
3771         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3772         instead of single_imm_use_p.
3773         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3774         zero_imm_uses_p.
3775
3776 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3777
3778         PR other/27843
3779         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3780         nested double- and backquotes.
3781
3782 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3783
3784         PR middle-end/30391
3785         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3786         should be unreachable.
3787         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3788         For the time being redirect GIMPLE_MODIFY_STMT to the new
3789         (renamed) build_gimple_modify_stmt_stat.
3790         (build2_gimple_stat): Rename to...
3791         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3792         Always build a GIMPLE_MODIFY_STMT node.
3793         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3794         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3795         declarations.
3796
3797         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3798         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3799         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3800         expand_complex_div_wide): Likewise.
3801         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3802         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3803         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3804         * tree-ssa-loop-manip.c (create_iv): Likewise.
3805         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3806         abs_replacement): Likewise.
3807         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3808         realify_fake_stores): Likewise.
3809
3810         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3811         node rather than a GIMPLE_MODIFY_STMT node.
3812         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3813         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3814         Likewise.
3815         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3816         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3817         GIMPLE_MODIFY_STMT.
3818
3819 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3820
3821         PR middle-end/30433
3822         * fold-const.c (fold_comparison): Add back the
3823         folding of constant complex comparisions.
3824
3825 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3826
3827         PR middle-end/30729
3828         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3829         effects unknown to this function, return early.
3830
3831 2007-02-15  Ian Lance Taylor  <iant@google.com>
3832
3833         * lower-subreg.c (move_eh_region_note): New static function.
3834         (resolve_simple_move): Call it.
3835         (decompose_multiword_subregs): Track blocks for which we resolve a
3836         simple move which is also a control flow insn.  Pass them to
3837         find_many_sub_basic_blocks.
3838         (pass_lower_subreg): Add TODO_verify_flow.
3839         (pass_lower_subreg2): Likewise.
3840
3841 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3842             Brooks Moses  <brooks.moses@codesourcery.com>
3843             Lee Millward  <lee.millward@codesourcery.com>
3844
3845         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3846         (VL_EXP_CLASS_P): New.
3847         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3848         TREE_CODE_LENGTH.
3849         (TREE_OPERAND_CHECK_CODE): Likewise.
3850         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3851         (TREE_RTL_OPERAND_CHECK): Likewise.
3852         (tree_operand_check_failed): Make second parameter the whole tree
3853         instead of its code.  Fixed callers.
3854         (VL_EXP_CHECK): New.
3855         (TREE_OPERAND_LENGTH): New.
3856         (VL_EXP_OPERAND_LENGTH): New.
3857         (CALL_EXPR_FN): New.
3858         (CALL_EXPR_STATIC_CHAIN): New.
3859         (CALL_EXPR_ARGS): New.
3860         (CALL_EXPR_ARG): New.
3861         (call_expr_nargs): New.
3862         (CALL_EXPR_ARGP): New.
3863         (build_nt_call_list): Declare.
3864         (build_vl_exp_stat): Declare.
3865         (build_vl_exp): New.
3866         (build_call_list): Declare.
3867         (build_call_nary): Declare.
3868         (build_call_valist): Declare.
3869         (build_call_array): Declare.
3870         (call_expr_arg): Declare.
3871         (call_expr_argp): Declare.
3872         (call_expr_arglist): Declare.
3873         (fold_build_call_list): Declare.
3874         (fold_build_call_list_initializer): Declare.
3875         (fold_call_expr): Declare to replace fold_builtin.
3876         (fold_builtin_fputs): Update to agree with modified definition.
3877         (fold_builtin_strcpy): Likewise.
3878         (fold_builtin_strncpy): Likewise.
3879         (fold_builtin_memory_chk): Likewise.
3880         (fold_builtin_stxcpy_chk): Likewise.
3881         (fold_builtin_strncpy_chk): Likewise.
3882         (fold_builtin_next_arg): Likewise.
3883         (fold_build_call_expr): Declare.
3884         (fold_builtin_call_list): Declare.
3885         (fold_builtin_call_valist): Declare.
3886         (build_call_expr): Declare.
3887         (validate_arglist): Update to agree with modified definition.
3888         (tree_operand_length): New.
3889         (call_expr_arg_iterator): New.
3890         (init_call_expr_arg_iterator): New.
3891         (next_call_expr_arg): New.
3892         (first_call_expr_arg): New.
3893         (more_call_expr_args_p): New.
3894         (FOR_EACH_CALL_EXPR_ARG): New.
3895
3896         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3897         and tcc_gimple_stmt.
3898         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3899         than sizeof (char *).
3900         (tree_size): Likewise.  Add case for tcc_vl_exp.
3901         (tree_node_structure): Add case for tcc_vl_exp.
3902         (contains_placeholder_p): Likewise.
3903         (substitute_in_expr): Likewise.
3904         (substitute_placeholder_in_expr): Likewise.
3905         (stabilize_reference_1): Likewise.
3906         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3907         to diagnose breakage of this interface for constructing CALL_EXPRs.
3908         (build_nt): Add similar assertion here.
3909         (build_nt_call_list): New.
3910         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3911         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3912         TREE_CODE_LENGTH.
3913         (get_callee_fndecl): Use new CALL_EXPR accessors.
3914         (tree_operand_check_failed): Change parameters to pass entire node
3915         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3916         (process_call_operands): New.
3917         (build_vl_exp_stat): New.
3918         (build_call_list): New.
3919         (build_call_nary): New.
3920         (build_call_valist): New.
3921         (build_call_array): New.
3922         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3923         (call_expr_arglist): New.
3924
3925         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3926         tcc_vl_exp instead of a fixed-size tcc_expression.
3927
3928         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3929         accessors for CALL_EXPRs.
3930         (AGGR_INIT_EXPR): Likewise.
3931
3932 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3933             Brooks Moses  <brooks.moses@codesourcery.com>
3934             Lee Millward  <lee.millward@codesourcery.com>
3935
3936         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3937         (expand_builtin_nonlocal_goto): Change parameter to be entire
3938         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3939         (expand_builtin_prefetch): Likewise.
3940         (expand_builtin_classify_type): Likewise.
3941         (mathfn_built_in): Return NULL_TREE instead of 0.
3942         (expand_errno_check): Use new CALL_EXPR accessors.
3943         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3944         Return NULL_RTX instead of 0.
3945         (expand_builtin_mathfn_2): Likewise.
3946         (expand_builtin_mathfn_3): Likewise.
3947         (expand_builtin_interclass_mathfn): Likewise.
3948         (expand_builtin_sincos): Likewise.
3949         (expand_builtin_cexpi): Likewise.
3950         (expand_builtin_int_roundingfn): Likewise.
3951         (expand_builtin_int_roundingfn_2): Likewise.
3952         (expand_builtin_pow): Likewise.
3953         (expand_builtin_powi): Likewise.
3954         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3955         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3956         accessors and constructors.  Return NULL_RTX instead of 0.
3957         (expand_builtin_strstr): Likewise.
3958         (expand_builtin_strchr): Likewise.
3959         (expand_builtin_strrchr): Likewise.
3960         (expand_builtin_strpbrk): Likewise.
3961         (expand_builtin_memcpy): Likewise.
3962         (expand_builtin_mempcpy): Likewise.
3963         (expand_builtin_mempcpy_args): New.
3964         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3965         (expand_builtin_memmove_args): New.
3966         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3967         (expand_movstr): Likewise.
3968         (expand_builtin_strcpy): Likewise.
3969         (expand_builtin_strcpy_args): New.
3970         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3971         (expand_builtin_strncpy): Likewise.
3972         (expand_builtin_memset): Likewise.
3973         (expand_builtin_memset_args): New.
3974         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3975         (expand_builtin_memcmp): Likewise.
3976         (expand_builtin_strcmp): Likewise.
3977         (expand_builtin_strncmp): Likewise.
3978         (expand_builtin_strcat): Likewise.
3979         (expand_builtin_strncat): Likewise.
3980         (expand_builtin_strspn): Likewise.
3981         (expand_builtin_strcspn): Likewise.
3982         (expand_builtin_args_info): Likewise.
3983         (expand_builtin_va_start): Likewise.
3984         (gimplify_va_arg_expr): Likewise.
3985         (expand_builtin_va_end): Likewise.
3986         (expand_builtin_va_copy): Likewise.
3987         (expand_builtin_frame_address): Likewise.
3988         (expand_builtin_alloca): Likewise.
3989         (expand_builtin_bswap): Likewise.
3990         (expand_builtin_unop): Likewise.
3991         (expand_builtin_fputs): Likewise.
3992         (expand_builtin_expect): Likewise.
3993         (expand_builtin_fabs): Likewise.
3994         (expand_builtin_copysign): Likewise.
3995         (expand_builtin_printf): Likewise.
3996         (expand_builtin_fprintf): Likewise.
3997         (expand_builtin_sprintf): Likewise.
3998         (expand_builtin_init_trampoline): Likewise.
3999         (expand_builtin_signbit): Likewise.
4000         (expand_builtin_fork_or_exec): Likewise.
4001         (expand_builtin_sync_operation): Likewise.
4002         (expand_builtin_compare_and_swap): Likewise.
4003         (expand_builtin_lock_test_and_set): Likewise.
4004         (expand_builtin_lock_release): Likewise.
4005         (expand_builtin): Likewise.
4006         (builtin_mathfn_code): Likewise.
4007
4008         (fold_builtin_constant_p): Pass call arguments individually instead
4009         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4010         accessors and constructors.  Return NULL_TREE instead of 0.
4011         (fold_builtin_expect): Likewise.
4012         (fold_builtin_classify_type): Likewise.
4013         (fold_builtin_strlen): Likewise.
4014         (fold_builtin_nan): Likewise.
4015         (integer_valued_real_p): Likewise.
4016         (fold_trunc_transparent_mathfn): Likewise.
4017         (fold_fixed_mathfn): Likewise.
4018         (fold_builtin_cabs): Likewise.
4019         (fold_builtin_sqrt): Likewise.
4020         (fold_builtin_cbrt): Likewise.
4021         (fold_builtin_cos): Likewise.
4022         (fold_builtin_cosh): Likewise.
4023         (fold_builtin_tan): Likewise.
4024         (fold_builtin_sincos): Likewise.
4025         (fold_builtin_cexp): Likewise.
4026         (fold_builtin_trunc): Likewise.
4027         (fold_builtin_floor): Likewise.
4028         (fold_builtin_ceil): Likewise.
4029         (fold_builtin_round): Likewise.
4030         (fold_builtin_int_roundingfn): Likewise.
4031         (fold_builtin_bitop): Likewise.
4032         (fold_builtin_bswap): Likewise.
4033         (fold_builtin_logarithm): Likewise.
4034         (fold_builtin_hypot): Likewise.
4035         (fold_builtin_pow): Likewise.
4036         (fold_builtin_powi): Likewise.
4037         (fold_builtin_exponent): Likewise.
4038         (fold_builtin_memset): Likewise.
4039         (fold_builtin_bzero): Likewise.
4040         (fold_builtin_memory_op): Likewise.
4041         (fold_builtin_bcopy): Deleted; call site changed to invoke
4042         fold_builtin_memory_op directly.
4043         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4044         (fold_builtin_strncpy): Likewise.
4045         (fold_builtin_memcmp): Likewise.
4046         (fold_builtin_strcmp): Likewise.
4047         (fold_builtin_strncmp): Likewise.
4048         (fold_builtin_signbit): Likewise.
4049         (fold_builtin_copysign): Likewise.
4050         (fold_builtin_isascii): Likewise.
4051         (fold_builtin_toascii): Likewise.
4052         (fold_builtin_isdigit): Likewise.
4053         (fold_builtin_fabs): Likewise.
4054         (fold_builtin_abs): Likewise.
4055         (fold_builtin_fmin_fmax): Likewise.
4056         (fold_builtin_carg): Likewise.
4057         (fold_builtin_classify): Likewise.
4058         (fold_builtin_unordered_cmp): Likewise.
4059
4060         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4061         New functions split out from fold_builtin_1.
4062         (fold_builtin_n): New.
4063         (fold_builtin_varargs): New.
4064         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4065         instead.
4066         (fold_call_expr): New.
4067         (build_function_call_expr): Rewrite to use new helper function.
4068         (fold_builtin_call_list): New.
4069         (build_call_expr): New.
4070         (fold_builtin_call_valist): New.
4071         (rewrite_call_expr): New.
4072         (validate_arg): New.
4073         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4074         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4075         accessors.
4076
4077         (fold_builtin_strstr):  Pass call arguments individually instead
4078         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4079         accessors and constructors.  Return NULL_TREE instead of 0.
4080         (fold_builtin_strchr): Likewise.
4081         (fold_builtin_strrchr): Likewise.
4082         (fold_builtin_strpbrk): Likewise.
4083         (fold_builtin_strcat): Likewise.
4084         (fold_builtin_strncat): Likewise.
4085         (fold_builtin_strspn): Likewise.
4086         (fold_builtin_strcspn): Likewise.
4087         (fold_builtin_fputs): Likewise.
4088         (fold_builtin_next_arg): Likewise.
4089         (fold_builtin_sprintf): Likewise.
4090
4091         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4092         NULL_RTX instead of 0.
4093         (expand_builtin_memory_chk): Likewise.
4094         (maybe_emit_chk_warning): Likewise.
4095         (maybe_emit_sprintf_chk_warning): Likewise.
4096
4097         (fold_builtin_object_size): Pass call arguments individually instead
4098         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4099         accessors and constructors.  Return NULL_TREE instead of 0.
4100         (fold_builtin_memory_chk): Likewise.
4101         (fold_builtin_stxcpy_chk): Likewise.
4102         (fold_builtin_strncpy_chk): Likewise.
4103         (fold_builtin_strcat_chk): Likewise.
4104         (fold_builtin_strcat_chk): Likewise.
4105         (fold_builtin_strncat_chk): Likewise.
4106         (fold_builtin_sprintf_chk): Likewise.
4107         (fold_builtin_snprintf_chk): Likewise.
4108         (fold_builtin_printf): Likewise.
4109         (fold_builtin_vprintf): Likewise.
4110
4111         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4112         constructors.
4113         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4114         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4115         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4116         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4117         (fold_unary): Likewise.
4118         (fold_binary): Likewise.
4119         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4120         ternary expressions.
4121         (fold): Add logic for tcc_vl_exp.
4122         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4123         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4124         (fold_build3_stat): Add assertion to flag broken interface for
4125         constructing CALL_EXPRs.
4126         (fold_build_call_list): New.
4127         (fold_build_call_list_initializer): New.
4128         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4129         constructors.
4130         (fold_strip_sign_ops): Likewise.
4131
4132 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4133             Brooks Moses  <brooks.moses@codesourcery.com>
4134             Lee Millward  <lee.millward@codesourcery.com>
4135
4136         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4137         accessors and dump arguments explicitly.
4138
4139         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4140         TREE_CODE_LENGTH.
4141         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4142         explicitly.
4143         (print_call_name): Use new CALL_EXPR accessors.
4144
4145         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4146         CALL_EXPR arguments explicitly instead of as a list.  Use
4147         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4148
4149         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4150         (vrp_visit_stmt): Likewise.
4151
4152         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4153         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4154         TREE_CODE_LENGTH.
4155         (force_move_till_expr): Likewise.
4156
4157         * targhooks.c (default_external_stack_protect_fail): Use
4158         build_call_expr instead of build_function_call_expr.
4159         (default_hidden_stack_protect_fail): Likewise.
4160
4161         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4162         build the call.
4163
4164         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4165         and walk arguments explicitly.
4166
4167         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4168         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4169         (expand_simple_operations): Likewise.
4170         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4171
4172         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4173         of TREE_CODE_LENGTH.
4174         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4175
4176         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4177         instead of TREE_CODE_LENGTH.
4178
4179         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4180         (tree_ic_transform): Likewise.
4181         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4182         parameter instead of arglist.  Fix callers.
4183         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4184         (tree_stringops_transform): Likewise.
4185         (tree_indirect_call_to_profile): Likewise.
4186         (tree_stringops_values_to_profile): Likewise.
4187
4188         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4189         (eliminate_tail_call): Likewise.
4190
4191         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4192
4193         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4194         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4195         operands.
4196         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4197
4198         * omp-low.c (build_omp_barrier): Use build_call_expr.
4199         (lower_rec_input_clauses): Likewise.
4200         (lower_reduction_clauses): Likewise.
4201         (expand_parallel_call): Likewise.
4202         (maybe_catch_exception): Likewise.
4203         (expand_omp_for_generic): Likewise.
4204         (expand_omp_for_static_nochunk): Likewise.
4205         (expand_omp_sections): Likewise.
4206         (lower_omp_single_simple): Likewise.
4207         (lower_omp_single_copy): Likewise.
4208         (lower_omp_master): Likewise.
4209         (lower_omp_ordered): Likewise.
4210         (lower_omp_critical): Likewise.
4211
4212         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4213         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4214
4215         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4216         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4217         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4218
4219         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4220         and generalize to handle any number of operands.
4221         (chrec_contains_undetermined): Likewise.
4222         (tree_contains_chrecs): Likewise.
4223         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4224
4225         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4226
4227         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4228         fold_call_expr instead of fold_builtin.
4229         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4230         match declarations there.
4231         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4232         updates.
4233
4234         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4235         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4236
4237         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4238         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4239
4240         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4241         accessors.
4242
4243         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4244         (execute_cse_sincos): Use new CALL_EXPR accessors.
4245
4246         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4247
4248         * gimple-low.c (lower_function_body): Use build_call_expr.
4249         (lower_builtin_setjmp): Likewise.
4250
4251         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4252         (set_storage_via_libcall): Likewise.
4253         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4254         instead of TREE_CODE_LENGTH.
4255         (expand_expr_real_1): Use new CALL_EXPR accessors.
4256
4257         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4258         generalize to handle any number of operands.
4259         (TB_parent_eq): Likewise.
4260
4261         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4262         (strip_builtin_expect): Likewise.
4263
4264         * function.c (gimplify_parameters): Use build_call_expr.
4265
4266         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4267         instead of TREE_CODE_LENGTH.
4268
4269         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4270         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4271
4272         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4273         iterators.
4274
4275         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4276         (gimplify_decl_expr): Likewise.
4277         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4278         Use new CALL_EXPR iterators.
4279         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4280         (gimplify_modify_expr_to_memset): Likewise.
4281         (gimplify_variable_sized_compare): Likewise.
4282         (gimplify_omp_atomic_fetch_op): Likewise.
4283         (gimplify_omp_atomic_pipeline): Likewise.
4284         (gimplify_omp_atomic_mutex): Likewise.
4285         (gimplify_function_tree): Likewise.
4286
4287         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4288         (call_expr_flags): Likewise.
4289         (expand_call): Likewise.
4290
4291         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4292         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4293         accessors.
4294
4295         * coverage.c (create_coverage): Use build_call_expr.
4296
4297         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4298         (temp_call_expr_obstack): New.
4299         (pool_copy_list): Delete.
4300         (temp_copy_call_expr): New.
4301         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4302         CALL_EXPR accessors.  Get rid of special goo for copying argument
4303         lists and use temp_copy_call_expr instead.
4304         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4305         CALL_EXPR accessors.
4306         (create_expression_by_pieces): Likewise.  Use build_call_array
4307         to construct the result instead of fold_build3.
4308         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4309         dealing with argument lists.
4310         (init_pre): Remove references to expression_node_pool and
4311         list_node_pool.  Init temp_call_expr_obstack instead.
4312         (fini_pre): Remove references to expression_node_pool and
4313         list_node_pool.
4314
4315         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4316         and walk arguments explicitly instead of as a list.
4317
4318         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4319         (mx_register_decls): Likewise.
4320         (mudflap_register_call): Likewise.
4321         (mudflap_finish_file): Likewise.
4322
4323         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4324         (ipa_callsite_compute_param): Likewise.
4325
4326         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4327         accessors and constructor.
4328
4329         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4330         accessors and constructor.
4331         (convert_tramp_reference): Likewise.
4332         (convert_call_expr): Likewise.
4333         (finalize_nesting_tree_1): Likewise.
4334
4335         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4336         accessors.
4337
4338         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4339
4340         * tree-inline.c (initialize_inlined_parameters): Pass entire
4341         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4342         accessors.
4343         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4344         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4345
4346         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4347         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4348         (vectorizable_reduction): Likewise.
4349         (vectorizable_call): Use new CALL_EXPR iterators.
4350         (vectorizable_conversion): Use build_call_expr.
4351         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4352         (vect_gen_widened_results_half): Use build_call_expr.
4353         (vect_setup_realignment): Likewise.
4354         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4355
4356         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4357         (pass_through_call): Likewise.
4358         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4359         fold_builtin.
4360
4361         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4362         (tree_gen_pow2_profiler): Likewise.
4363         (tree_gen_one_value_profiler): Likewise.
4364         (tree_gen_ic_func_profiler): Likewise.
4365         (tree_gen_average_profiler): Likewise.
4366         (tree_gen_ior_profiler): Likewise.
4367
4368         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4369         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4370         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4371
4372         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4373         of TREE_CODE_LENGTH.
4374
4375         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4376         of TREE_CODE_LENGTH.
4377
4378         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4379         constructor.
4380         (convert_to_integer): Likewise.
4381
4382         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4383         accessors.
4384
4385 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4386             Brooks Moses  <brooks.moses@codesourcery.com>
4387             Lee Millward  <lee.millward@codesourcery.com>
4388
4389         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4390         accessors.
4391         * config/frv/frv.c (frv_expand_builtin): Likewise.
4392         * config/s390/s390.c (s390_expand_builtin): Likewise.
4393
4394         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4395         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4396
4397         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4398         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4399         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4400         (ix86_expand_store_builtin): Likewise.
4401         (ix86_expand_unop_builtin): Likewise.
4402         (ix86_expand_unop1_builtin): Likewise.
4403         (ix86_expand_sse_compare): Likewise.
4404         (ix86_expand_sse_comi): Likewise.
4405         (ix86_expand_vec_init_builtin): Likewise.
4406         (ix86_expand_vec_ext_builtin): Likewise.
4407         (ix86_expand_vec_set_builtin): Likewise.
4408         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4409
4410         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4411         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4412
4413         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4414         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4415         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4416
4417         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4418         build_call_expr.
4419         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4420         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4421         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4422         (altivec_expand_abs_builtin): Likewise.
4423         (rs6000_expand_binop_builtin): Likewise.
4424         (altivec_expand_predicate_builtin): Likewise.
4425         (altivec_expand_lv_builtin): Likewise.
4426         (spe_expand_stv_builtin): Likewise.
4427         (altivec_expand_stv_builtin): Likewise.
4428         (rs6000_expand_ternop_builtin): Likewise.
4429         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4430         (altivec_expand_st_builtin): Likewise.
4431         (altivec_expand_dst_builtin): Likewise.
4432         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4433         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4434         (altivec_expand_vec_set_builtin): Likewise.
4435         (altivec_expand_vec_ext_builtin): Likewise.
4436         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4437         (spe_expand_builtin): Likewise.
4438         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4439         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4440         (spe_expand_evsel_builtin): Likewise.
4441         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4442         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4443
4444         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4445         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4446         (arm_expand_unop_builtin): Likewise.
4447         (arm_expand_builtin): Use new CALL_EXPR accessors.
4448
4449         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4450         accessors.
4451
4452         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4453         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4454         (bfin_expand_unop_builtin): Likewise.
4455         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4456
4457 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4458             Brooks Moses  <brooks.moses@codesourcery.com>
4459             Lee Millward  <lee.millward@codesourcery.com>
4460
4461         * c-semantics.c (build_stmt): Add internal diagnostic check.
4462
4463         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4464         accessors.  Print arguments explicitly instead of as a list.
4465
4466         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4467
4468         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4469         (c_finish_omp_flish): Likewise.
4470
4471         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4472         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4473         instead of TREE_CODE_LENGTH.
4474         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4475         (c_warn_unused_result): Likewise.
4476
4477 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4478
4479         PR c/26494
4480         * doc/invoke.texi (Warning Options): Remove
4481         -Werror-implicit-function-declaration.
4482         (Wimplicit-function-declaration): Update description.
4483         * opts.c (common_handle_option): Move handling of -Werror=* to...
4484         (enable_warning_as_error): ...here.
4485         * opts.h (enable_warning_as_error): Declare.
4486         * c-decl.c (implicit_decl_warning): Unless
4487         -Wno-implicit-function-declaration is given, emit a pedwarn if
4488         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4489         * c.opt (Wimplicit-function-declaration): Replace
4490         mesg_implicit_function_declaration with
4491         warn_implicit_function_declaration.
4492         * c-opts.c (c_common_handle_option):
4493         -Werror-implicit-function-declaration is exactly equal as
4494         -Werror=implicit-function-declaration.
4495         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4496         warn_implicit_function_declaration.
4497         (c_common_post_options): -Wimplict-function-declaration is enabled
4498         by default by -std=c99, otherwise is disabled by default.
4499         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4500
4501 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4502
4503         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4504         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4505         former is ignored but not the latter.
4506
4507 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4508
4509         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4510         is made and the reference doesn't use the alias set of its type,
4511         do not create the temporary using that type.
4512
4513 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4514
4515         * jump.c: Remove prototypes for delete_computation and
4516         delete_prior_computation.
4517
4518 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4519
4520         * jump.c (get_label_after): Delete.
4521         (get_label_before, delete_computation, delete_jump,
4522         delete_prior_computation, follow_jumps): Move...
4523         * reorg.c (delete_computation, delete_prior_computation): ... here...
4524         (get_label_before, delete_jump): ... making these static ...
4525         (follow_jumps): ... and simplifying this since it only runs after
4526         reload.
4527         * rtl.h (get_label_after, get_label_before, delete_jump,
4528         follow_jumps): Delete prototypes.
4529
4530 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4531
4532         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4533
4534 2007-02-15  Nick Clifton  <nickc@redhat.com>
4535
4536         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4537         order to prevent it from being munged by the target.
4538
4539 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4540
4541         * config/i386/i386.md: Remove misleading comment.
4542
4543 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4544
4545         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4546         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4547         invalid patterns.
4548
4549 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4550
4551         * tree-sra.c (instantiate_missing_elements): Canonicalize
4552         bit-field types.
4553         (sra_build_assignment): New.
4554         (generate_copy_inout, generate_element_copy,
4555         generate_element_zero, generate_one_element_init): Use it.
4556
4557 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4558
4559         * tree-sra.c (instantiate_missing_elements): Canonicalize
4560         bit-field types.
4561         (sra_build_assignment): New.
4562         (generate_copy_inout, generate_element_copy,
4563         generate_element_zero, generate_one_element_init): Use it.
4564
4565 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4566
4567         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4568         limbo die nodes.
4569
4570 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4571
4572         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4573         types as aggregates not scalars.
4574         * function.c (assign_stack_temp_for_type): Likewise.
4575
4576 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4577             Zdenek Dvorak  <dvorakz@suse.cz>
4578
4579         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4580         name.
4581
4582 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4583
4584         * passes.c (next_pass_1): Clear the next field of the copied
4585         pass structure.
4586
4587 2007-02-14  Richard Henderson  <rth@redhat.com>
4588
4589         * tree-sra.c (early_sra): New.
4590         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4591         (tree_sra_early, pass_sra_early): New.
4592         * tree-pass.h (pass_sra_early): Declare.
4593         * passes.c (init_optimization_passes): Use it.
4594
4595 2007-02-14  Richard Guenther  <rguenther@suse.de>
4596
4597         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4598
4599 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4600
4601          PR tree-optimization/30771
4602         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4603         also phi nodes.
4604         (vect_analyze_operations): Induction phis can now be marked as
4605         used_in_loop.
4606         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4607         Update documentation accordingly.
4608
4609 2007-02-14  Nick Clifton  <nickc@redhat.com>
4610
4611         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4612         most 3 arguments are supported.
4613         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4614
4615 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4616
4617         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4618         Ensure dst->current is valid.
4619
4620 2007-02-13  Paul Brook  <paul@codesourcery.com>
4621
4622         * config.gcc: Add arm*-*-uclinux-*eabi.
4623         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4624         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4625         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4626         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4627         (LINK_SPEC): Define.
4628         (LIB_SPEC): Define.
4629         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4630         register.
4631         * config/arm/uclinux-eabi.h: New file.
4632         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4633         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4634         based targets.
4635
4636 2007-02-13  Ian Lance Taylor  <iant@google.com>
4637
4638         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4639         * flags.h (warn_strict_overflow): Declare.
4640         (enum warn_strict_overflow_code): Define.
4641         (issue_strict_overflow_warning): New static inline function.
4642         * opts.c (warn_strict_overflow): New variable.
4643         (common_handle_option): Handle OPT_Wstrict_overflow and
4644         OPT_Wstrict_overflow_.
4645         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4646         OPT_Wall.
4647         * fold-const.c: Include intl.h.
4648         (fold_deferring_overflow_warnings): New static variable.
4649         (fold_deferred_overflow_warning): New static variable.
4650         (fold_deferred_overflow_code): New static variable.
4651         (fold_defer_overflow_warnings): New function.
4652         (fold_undefer_overflow_warnings): New function.
4653         (fold_undefer_and_ignore_overflow_warnings): New function.
4654         (fold_deferring_overflow_warnings_p): New function.
4655         (fold_overflow_warning): New static function.
4656         (make_range): Add strict_overflow_p parameter.  Change all
4657         callers.
4658         (extract_muldiv, extract_muldiv_1): Likewise.
4659         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4660         tree_expr_nonnegative_p.
4661         (fold_negate_expr): Call fold_overflow_warning.
4662         (fold_range_test): Likewise.
4663         (fold_comparison): Likewise.
4664         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4665         instead of tree_expr_nonnegative_p.
4666         (tree_expr_nonnegative_warnv_p): Rename from
4667         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4668         (tree_expr_nonnegative_p): New function.
4669         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4670         strict_overflow_p parameter.
4671         (tree_expr_nonzero_p): New function.
4672         * passes.c (verify_interpass_invariants): New static function.
4673         (execute_one_pass): Call it.
4674         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4675         warnings.
4676         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4677         (estimate_numbers_of_iterations): Likewise.
4678         (scev_probably_wraps_p): Likewise.
4679         * tree-ssa-ccp.c: Include "toplev.h".
4680         (evaluate_stmt): Defer fold overflow warnings until we know we are
4681         going to optimize.
4682         (struct fold_stmt_r_data): Add stmt field.
4683         (fold_stmt_r): Defer fold overflow warnings until we know we
4684         optimized.
4685         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4686         (fold_stmt_inplace): Likewise.
4687         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4688         (cleanup_control_expr_graph): Defer fold overflow warnings until
4689         we know we are going to optimize.
4690         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4691         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4692         Likewise.
4693         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4694         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4695         * tree-ssa-loop-manip.c (create_iv): Likewise.
4696         * c-typeck.c (build_conditional_expr): Likewise.
4697         (build_binary_op): Likewise.
4698         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4699         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4700         (extract_range_from_unary_expr): Likewise.
4701         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4702         assuming that signed overflow does not occur.
4703         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4704         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4705         (fold_defer_overflow_warnings): Declare.
4706         (fold_undefer_overflow_warnings): Declare.
4707         (fold_undefer_and_ignore_overflow_warnings): Declare.
4708         (fold_deferring_overflow_warnings_p): Declare.
4709         (tree_expr_nonzero_warnv_p): Declare.
4710         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4711         of warning options.
4712         (Warning Options): Document -Wstrict-overflow.
4713         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4714         (tree-ssa-ccp.o): Likewise.
4715         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4716         (fold-const.o): Depend on intl.h.
4717
4718 2007-02-13  Ian Lance Taylor  <iant@google.com>
4719
4720         PR middle-end/30751
4721         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4722         addresses.
4723
4724 2007-02-13  Stuart Hastings  <stuart@apple.com>
4725
4726         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4727
4728 2007-02-13  Richard Henderson  <rth@redhat.com>
4729
4730         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4731         handled_component_p before looking for the indirect_ref.
4732
4733 2007-02-13  Richard Henderson  <rth@redhat.com>
4734
4735         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4736         remove flags clobber.
4737         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4738         (bswaphi_lowpart): New.
4739         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4740         remove TARGET_BSWAP test.  Delete expander of the same name.
4741
4742         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4743         (expand_unop): Use them.
4744
4745 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4746
4747         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4748         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4749         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4750         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4751         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4752         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4753         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4754         assembler dialect choice from asm templates.
4755
4756 2007-02-12  Richard Henderson  <rth@redhat.com>
4757
4758         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4759         (fixuns_trunc<SSEMODEF>si2): Use it.
4760         * config/i386/sse.md (vec_setv4sf_0): Export.
4761         * config/i386/i386.c (ix86_build_const_vector): Export.
4762         (ix86_split_convert_uns_si_sse): Rename from
4763         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4764         * config/i386/i386-protos.h: Update.
4765
4766 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4767
4768         PR c/29521
4769         * c-typeck.c (c_finish_return): Improve warning message.
4770
4771 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4772
4773         * alias.c (find_symbolic_term): Delete unused function.
4774
4775 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4776
4777         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4778         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4779         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4780
4781 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4782
4783         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4784         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4785         the function, temporarily point the debug interface to the null one.
4786
4787 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4788
4789         * dwarf2out.c (round_up_to_align): New static function.
4790         (field_byte_offset): Use it to round the offset.
4791
4792 2007-02-12  Richard Henderson  <rth@redhat.com>
4793
4794         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4795         (inswl_const): Export.
4796
4797 2007-02-12  Richard Henderson  <rth@redhat.com>
4798
4799         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4800         result mode of the libcall, convert back to outmode.
4801
4802 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4803
4804         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4805         (bswapdi2): New define_expand to implement 32-bit implementation.
4806
4807 2007-02-12  Nick Clifton  <nickc@redhat.com>
4808
4809         * doc/invoke.texi (Overall Options): Document --help=.
4810         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4811         (cc1_options): Pass --help= on to cc1.
4812         (display_help): Add description of --help=.
4813         (process_command): Add code to handle --help=.  Allow translated
4814         --help and --target-help switches to be passed on to compiler
4815         sub-process.
4816         (main): Remove unused if statement.
4817         * opts.c (columns): Remove.
4818         (LEFT_COLUMN): Define.
4819         (wrap_help): Add columns argument.
4820         (print_filtered_help): Change parameters to be an include bitmask,
4821         an exclude bitmask, an any bitmask and the column width.  Move the
4822         code to display the params list here.  Add code to display the
4823         status of options rather than their descriptions if the quiet flag
4824         is not active.
4825         (print_specific_help): Change parameters to be an include bitmask,
4826         an exclude bitmask and an any bitmask.  Move code to look up the
4827         column width here.  Decide upon the title for an options listing.
4828         (common_handle_options): Add code to handle --help=.  Adapt code
4829         for --help and --target-help to use the revised form of the
4830         print_specific_help function.
4831         (print_help): Delete.
4832         (print_param_help): Delete.
4833         (print_switch): Delete.
4834         * opts.h (cl_lang_count): Add prototype.
4835         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4836         CL_MAX_OPTION_CLASS): New defines.
4837         * optc-gen.awk: Add construction of cl_lang_count.
4838         * c.opt: Add Warning attribute to warning options and Optimization
4839         attribute to optimization options.
4840         * common.opt: Likewise.
4841         Add --help=.
4842         Add -fhelp and -ftarget-help as aliases for the transformed --help
4843         and --target-help options.
4844         * opt-functions.awk: Add code to handle Warning and Optimization
4845         attributes.
4846
4847 2007-02-12  Richard Henderson  <rth@redhat.com>
4848
4849         * config/alpha/constraints.md: New file.
4850         * config/alpha/alpha.c: Include tm-constrs.h.
4851         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4852         alpha_extra_constraint): Remove.
4853         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4854         * config/alpha/alpha-protos.h: Update.
4855         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4856         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4857         (EXTRA_CONSTRAINT): Remove.
4858         * config/alpha/alpha.md: Include constraints.md.
4859         (adddi splitter): Use satisfies_constraint_*.
4860         * config/alpha/predicates.md (add_operand): Likewise.
4861         (sext_add_operand, addition_operation): Likewise.
4862
4863 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4864
4865         PR tree-optimization/29145
4866         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4867         in our handling of restrict qualified pointers.
4868
4869 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4870
4871         PR middle-end/7651
4872         * doc/invoke.texi (Wunused-value): Update description.
4873         (Wextra): Delete item.
4874         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4875         value of Wunused-value.
4876         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4877         (c_finish_stmt_expr): Don't check extra_warnings.
4878         (emit_side_effect_warnings): The caller is responsible to check
4879         warn_unused_value.
4880
4881 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4882             Matt Thomas  <matt@3am-software.com>
4883
4884         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4885
4886 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4887
4888         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4889         comparisons of POPCOUNT against zero.
4890         (simplify_const_relational_operation): Likewise.
4891
4892 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4893
4894         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4895
4896 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4897
4898         * dwarf2out.c (root_type): Delete unused function.
4899
4900 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4901
4902         * genattrtab.c (contained_in_p): Delete unused function.
4903         (write_expr_attr_cache): Likewise.
4904
4905 2007-02-11  Jan Hubicka  <jh@suse.cz>
4906
4907         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4908         previous patch.
4909
4910 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4911
4912         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4913         to add the REG_EQ* note.
4914         * see.c (see_merge_one_use_extension): Likewise.
4915         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4916         turn REG_EQUAL notes into REG_EQUIV notes if the target
4917         register may have more than one set.
4918         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4919         * gcse.c (try_replace_reg): Likewise.
4920         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4921         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4922         more than one REG_EQUIV note.
4923         * reload1.c (gen_reload): Use set_unique_reg_note.
4924
4925 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4926
4927         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4928         (ix86_builtin_conversion): New function.
4929
4930 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4931
4932         PR target/29487
4933         * tree.h (DECL_REPLACEABLE_P): New macro.
4934         * except.c (set_nothrow_function_flags): Likewise.
4935
4936 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4937             Ira Rosen  <irar@il.ibm.com>
4938             Dorit Nuzman  <dorit@il.ibm.com>
4939
4940         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4941         * targhooks.c (default_builtin_vectorized_conversion): New.
4942         * targhooks.h (default_builtin_vectorized_function): New declaration.
4943         * target.h (struct vectorize): Add builtin_conversion field.
4944         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4945         stmt_vec_info_type value.
4946         (vectorizable_conversion): New declaration.
4947         * tree-vect-analyze.c (vect_analyze_operations): Add
4948         vectorizable_conversion call.
4949         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4950         * tree-vect-transform.c (vectorizable_conversion): New function.
4951         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4952         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4953         mode.
4954         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4955         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4956         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4957         or ALTIVEC_BUILTIN_VCFSX.
4958
4959 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4960
4961         PR target/30634
4962         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4963         CONST_DOUBLE and operand 0 is a hard register.
4964         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4965         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4966         is a hard floating-point register.
4967
4968 2007-02-10  Richard Henderson  <rth@redhat.com>
4969             Jakub Jelinek  <jakub@redhat.com>
4970             Alexandre Oliva  <aoliva@redhat.com>
4971
4972         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4973         * builtin-types.def (BT_WORD): Make unsigned.
4974         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4975         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4976         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4977         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4978         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4979         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4980         emulated tls.
4981         * expr.c (emutls_var_address): New.
4982         (expand_expr_real_1): Expand emulated tls.
4983         (expand_expr_addr_expr_1): Likewise.
4984         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4985         * output.h (emutls_finish): Declare.
4986         * toplev.c (compile_file): Call it.
4987         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4988         address before wrapping in CONST.
4989         * varasm.c (emutls_htab, emutls_object_type): New.
4990         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4991         (get_emutls_object_name, get_emutls_object_type): New.
4992         (get_emutls_init_templ_addr, emutls_decl): New.
4993         (emutls_common_1, emutls_finish): New.
4994         (assemble_variable): When emulating tls, swap decls; generate
4995         constructor for the emutls objects.
4996         (do_assemble_alias): When emulating tls, swap decl and target name.
4997         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4998         for emulated tls.
4999         * varpool.c (decide_is_variable_needed): Look at force_output.
5000         Recurse for emulated tls.
5001         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5002         with decide_is_variable_needed.
5003         * emutls.c: New file.
5004         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5005         tls_object for real tls.
5006
5007 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5008
5009         PR rtl-optimization/29599
5010         * reload1.c (eliminate_regs_in_insn): Take the destination
5011         mode into account when computing the offset.
5012
5013 2007-02-09  Stuart Hastings  <stuart@apple.com>
5014             Richard Henderson  <rth@redhat.com>
5015
5016         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5017         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5018         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5019         fixuns_truncdfhi2): New.
5020         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5021         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5022         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5023         (floatunssidf2): Allow nonimmediate source.
5024         * gcc/config/i386/sse.md (movdi_to_sse): New.
5025         (vec_concatv2di): Drop '*'.
5026         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5027         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5028         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5029         New.
5030         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5031         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5032         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5033         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5034         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5035         ix86_build_const_vector.
5036         (x86_emit_floatuns): Rewrite.
5037
5038 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5039
5040         * genautomata.c (longest_path_length): Delete unused function.
5041         (struct state): Delete unused longest_path_length.
5042         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5043         (get_free_state): Delete unused.
5044
5045 2007-02-09  Jan Hubicka  <jh@suse.cz>
5046
5047         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5048         * doc/invoke.texi (inline-unit-growth): Update default value.
5049
5050         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5051         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5052         (rebuild_cgraph_edges): Likewise.
5053         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5054         (dump_cgraph_node): Dump frequencies.
5055         (cgraph_clone_edge): Add frequency scales.
5056         (cgraph_clone_node): Add freuqnecy.
5057         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5058         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5059         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5060         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5061         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5062         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5063         (save_inline_function_body): Likewise.
5064         * ipa-inline.c: inluce rtl.h
5065         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5066         (cgraph_edge_badness): Use frequencies.
5067         (cgraph_decide_recursive_inlining): Update clonning.
5068         (cgraph_decide_inlining_of_small_function): Dump frequency.
5069         * predict.c (estimate_bb_frequencies): Export.
5070         * predict.h (estimate_bb_frequencies): Declare.
5071         * tree-inline.c (copy_bb): Watch overflows.
5072         (expand_call_inline): Update call of cgraph_create_edge.
5073         (optimize_inline_calls): Use TODO flags to update frequnecies.
5074         * passes.h: Include predict.h
5075         (init_optimization_passes): Move profile ahead.
5076         (execute_function_todo): Handle TODO_rebuild_frequencies.
5077
5078 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5079
5080         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5081         the insbl or inswl pattern into a register.
5082
5083 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5084
5085         * config/ia64/ia64.md (bswapdi2): New define_insn.
5086
5087 2007-02-09  Richard Henderson  <rth@redhat.com>
5088
5089         * config/i386/constraints.md (Ym): New constraint.
5090         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5091         (movdi_1_rex64): Split sse and xmm general register moves from
5092         memory move alternatives.  Use conditional register constraints.
5093         (movsf_1, movdf_integer): Likewise.
5094         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5095         (movdf_integer_rex64): New.
5096         (pushsf_rex64): Fix output constraints.
5097         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5098         (sse2_stored): Likewise.
5099         (sse2_storeq_rex64): New.
5100         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5101         amd and not generic.
5102         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5103         for optimize_size.  Remove SF/DFmode hack.
5104
5105 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5106
5107         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5108         (bit_SSE4a): New.
5109
5110 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5111             Richard Sandiford  <richard@codesourcery.com>
5112
5113         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5114         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5115         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5116         m68k/t-mlib to tmake_file.
5117         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5118         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5119         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5120         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5121         variable is not empty, add t-$m68k_arch_family to tmake_file.
5122         Add t-mlibs to tmake_file.
5123         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5124         * config/m68k/t-cf: New file.
5125         * config/m68k/t-m68k: Likewise.
5126         * config/m68k/t-mlibs: Likewise.
5127         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5128         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5129         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5130         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5131         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5132         Delete.
5133         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5134         (INSTALL_LIBGCC): Delete.
5135         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5136         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5137         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5138         (M68K_MLIB_CPU): Define.
5139         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5140         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5141         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5142
5143 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5144             Richard Guenther  <rguenther@suse.de>
5145
5146         PR middle-end/23361
5147         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5148         against INT_MIN/INT_MAX.
5149         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5150         file if a loop is removed.
5151
5152 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5153
5154         * calls.c (store_one_arg): Pass correct alignment to
5155         emit_push_insn for non-BLKmode values.
5156         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5157         unaligned stack slot via a suitably aligned slot.
5158
5159 2007-02-08  DJ Delorie  <dj@redhat.com>
5160
5161         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5162         warnings.
5163         (legal_subregs): Use unsigned char, make const.
5164         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5165
5166 2007-02-08  Paul Brook  <paul@codesourcery.com>
5167
5168         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5169         special interworking needed.
5170
5171 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5172
5173         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5174         conditional to __SSE2__.
5175         (Entries below should have been added to first ChangeLog
5176         entry for amdfam10 dated 2007-02-05)
5177         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5178         defined.
5179         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5180         defined.
5181         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5182         defined.
5183
5184 2007-02-08  DJ Delorie  <dj@redhat.com>
5185
5186         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5187         * config/m32c/m32c.c (legal_subregs): New.
5188         (m32c_illegal_subreg_p): New.
5189         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5190         unsupported subregs of hard regs.
5191
5192 2007-02-08  Jan Hubicka  <jh@suse.cz>
5193
5194         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5195         the same one; always update histograms.
5196
5197 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5198
5199         * passes.c (init_optimization_passes): Tidy comment.
5200
5201 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5202
5203         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5204         strip zero_extend, bswap and rotates from POCOUNT's argument.
5205         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5206         zero_extend and rotates from PARITY's argument.
5207         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5208         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5209         of an integer constant at compile-time.
5210
5211 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5212
5213         PR 30562
5214         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5215         Update all users.
5216         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5217         users.
5218         (init_alias_info):
5219         * tree-ssa-live.c (remove_unused_locals): Do not remove
5220         TREE_ADDRESSABLE variables.
5221         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5222         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5223         FOR_CLOBBER.  Update all users.
5224         If VAR has an associated alias set, add a virtual operand for
5225         it if no alias is found to conflict with the memory reference.
5226
5227 2007-02-07  Jan Hubicka  <jh@suse.cz>
5228             Robert Kidd <rkidd@crhc.uiuc.edu>
5229
5230         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5231
5232 2007-02-07  Ian Lance Taylor  <iant@google.com>
5233
5234         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5235
5236 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5237
5238         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5239         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5240         tablejumpdi, movsi_to_cr_one): Remove constraints from
5241         define_expand's match_operands.
5242
5243 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5244
5245         * global.c (compute_regsets): Move declatation of "i" inside of
5246         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5247
5248 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5249
5250         PR c++/30703
5251         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5252         of INDIRECT_REF <RESULT_DECL>.
5253
5254         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5255
5256 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5257             Kaz Kojima  <kkojima@gcc.gnu.org>
5258
5259         PR target/29746
5260         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5261         properly.
5262         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5263
5264 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5265
5266         * doc/loop.texi: Document possibility not to perform disambiguation
5267         of loops with multiple latches.
5268         * cfgloopmanip.c (alp_enum_p): Removed.
5269         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5270         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5271         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5272         the new forwarder block.
5273         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5274         Handle the case latch is NULL.
5275         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5276         when marking loop exits.
5277         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5278         be modified.
5279         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5280         disambiguate_loops_with_multiple_latches.
5281         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5282         before fix_loop_structure.
5283         * cfgloop.c: Include pointer-set.h and output.h.
5284         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5285         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5286         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5287         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5288         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5289         disambiguate_multiple_latches, get_loop_body_with_size,
5290         disambiguate_loops_with_multiple_latches): New functions.
5291         (flow_loop_dump): Dump multiple latch edges.
5292         (flow_loop_nodes_find): Handle loops with multiple latches.
5293         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5294         (glb_enum_p): Modified.
5295         (get_loop_body): Use get_loop_body_with_size.
5296         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5297         (AVOID_CFG_MODIFICATIONS): New constant.
5298         (disambiguate_loops_with_multiple_latches, add_loop,
5299         get_loop_body_with_size): Declare.
5300         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5301
5302 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5303
5304         PR inline-asm/28686
5305         * global.c (compute_regsets): New function.
5306         (global_alloc): Refactored ELIMINABLE_REGSET
5307         and NO_GLOBAL_ALLOC_REGS computation out.
5308         (rest_of_handle_global_alloc): Call compute_regsets()
5309         for non-optimizing case.
5310
5311 2007-02-06  Richard Henderson  <rth@redhat.com>
5312
5313         * config/i386/constraints.md (Y2): Rename from Y.
5314         (Yi): New constraint.
5315         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5316         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5317         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5318         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5319         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5320         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5321         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5322         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5323         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5324         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5325         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5326         vec_extractv2si_1): Change Y constraints to Y2.
5327         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5328         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5329         Change Y constraints to Y2.
5330         (sse2_loadld): Change Y constraints to x.
5331
5332 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5333
5334         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5335         (parity<mode>2): New define_expand using rs6000_emit_parity.
5336         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5337         rs6000_emit_parity): New functions.
5338         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5339         rs6000_emit_parity): Prototype here.
5340
5341 2007-02-06  Ian Lance Taylor  <iant@google.com>
5342
5343         * lower-subreg.c (simple_move_operand): Reject CONST.
5344         (resolve_clobber): Call validate_change rather than directly
5345         assigning to XEXP (pat, 0).
5346
5347 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5348
5349         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5350         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5351         (tree-cfg.o): Remove hashtab.h dependency.
5352
5353         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5354         (struct ivopts_data): Change niters to pointer_map_t.
5355         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5356         (niter_for_exit): Create pointer_map on demand.  Change for
5357         pointer_map API.
5358         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5359         (free_loop_data): Destroy data->niters if created and reset field.
5360         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5361         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5362
5363         * tree-ssa-reassoc.c: Include pointer-set.h.
5364         (bb_rank): Change to long *.
5365         (operand_rank): Change to pointer_map_t.
5366         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5367         (insert_operand_rank): Accept long.
5368         (operand_entry_hash, operand_entry_eq): Remove.
5369         (get_rank): Return long.  Adjust for changes above.
5370         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5371         and operand_rank.
5372         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5373
5374         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5375         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5376         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5377         is not NULL.
5378         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5379         directly since it cannot be NULL.
5380         (get_vi_for_tree): Rewrite for pointer_map API.
5381         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5382         (init_alias_vars): Create vi_for_tree as pointer_map.
5383         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5384
5385         * tree-cfg.c: Don't include hashtab.h.
5386         (edge_to_cases): Declare as pointer_map.
5387         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5388         Delete.
5389         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5390         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5391         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5392         destroying it.
5393         (record_switch_edge): Delete.
5394         (get_cases_for_edge): Adjust for pointer_map API, inline
5395         record_switch_edge (rewritten for new API), remove goto.
5396
5397 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5398
5399         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5400         * tree-nested.c: Include pointer-set.h.
5401         (var_map_elt, var_map_eq, var_map_hash): Delete.
5402         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5403         to pointer_map_t's.
5404         (nesting_info_bitmap_obstack): New.
5405         (lookup_field_for_decl): Adjust for pointer_map API.
5406         (lookup_tramp_for_decl): Adjust for pointer_map API.
5407         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5408         (get_local_debug_decl): Adjust for pointer_map API.
5409         (convert_nl_goto_reference): Adjust for pointer_map API.
5410         (convert_nl_goto_receiver): Adjust for pointer_map API.
5411         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5412         the new obstack.  Create field_map and var_map as pointer_maps.
5413         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5414         (root): Delete.
5415         (lower_nested_functions): Move root here, no need to NULL it.
5416         Initialize and release the obstack.
5417
5418 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5419
5420         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5421         Remove prototypes and make them non-static.
5422         (struct tree_int_map): Remove.
5423         * tree.h (struct tree_int_map): Move here, turning TO into an
5424         unsigned int.
5425         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5426
5427         * tree.h (TREE_COMPLEXITY): Remove.
5428         (struct tree_exp): Remove complexity field.
5429         * tree.c (build1_stat): Don't set it.
5430
5431 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5432             Victor Kaplansky  <victork@il.ibm.com>
5433
5434         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5435         (vect_is_simple_reduction): Support reduction with induction as
5436         one of the operands.
5437         (vect_is_simple_iv_evolution): Fix formatting.
5438         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5439         formatting.  Don't mark induction phis for vectorization.
5440         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5441         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5442         (vect_get_vec_def_for_operand): Support induction.
5443         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5444         induction case.
5445         (vectorizable_reduction): Support reduction with induction as one of
5446         the operands.
5447         (vectorizable_type_demotion): Use def-type of stmt argument rather
5448         than dummy def-type.
5449
5450         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5451         flag_tree_scev_cprop.
5452         * common.opt (tree-scev-cprop): New flag.
5453
5454         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5455         call to vect_get_new_vect_var.
5456
5457 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5458
5459         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5460         vectype is not NULL.
5461         (vect_pattern_recog_1): Likewise.
5462
5463 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5464
5465         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5466         (fold_negate_expr): Likewise.
5467
5468 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5469
5470         PR debug/30189
5471         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5472         even if cv-qualification is the same.
5473
5474 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5475
5476         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5477         __enable_execute_stack on completion.
5478
5479 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5480
5481         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5482         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5483         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5484         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5485         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5486         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5487         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5488         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5489
5490 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5491
5492         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5493         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5494         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5495         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5496         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5497         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5498         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5499         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5500         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5501         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5502         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5503         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5504         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5505         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5506         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5507         sqrtextenddfxf2_i387): Added amdfam10_decode.
5508
5509         * config/i386/athlon.md (athlon_idirect_amdfam10,
5510         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5511         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5512         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5513         athlon_ivector_store_amdfam10): New define_insn_reservation.
5514         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5515         amdfam10.
5516
5517 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5518
5519         * config/i386/athlon.md (athlon_call_amdfam10,
5520         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5521         define_insn_reservation.
5522         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5523         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5524         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5525
5526 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5527
5528         * config/i386/athlon.md (athlon_sseld_amdfam10,
5529         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5530         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5531
5532 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5533
5534         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5535         define_insn_reservation.
5536         * config/i386/i386.md (sseins): Added sseins to define_attr type
5537         and define_attr unit.
5538         * config/i386/sse.md: Set type attribute to sseins for insertq
5539         and insertqi.
5540
5541 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5542
5543         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5544         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5545         ssecomi_load_amdfam10, ssecomi_amdfam10,
5546         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5547         define_insn_reservation.
5548         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5549
5550 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5551
5552         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5553         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5554         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5555         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5556         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5557         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5558         define_insn_reservation.
5559
5560         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5561         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5562         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5563         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5564         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5565
5566 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5567
5568         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5569         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5570         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5571         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5572         athlon_ssemul_load_k8): Added amdfam10.
5573
5574 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5575
5576         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5577         (x86_sse_unaligned_move_optimal): New variable.
5578
5579         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5580         m_AMDFAM10.
5581         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5582         for unaligned vector SSE double/single precision loads for AMDFAM10.
5583
5584 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5585
5586         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5587         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5588         Define TARGET_CPU_DEFAULT_amdfam10.
5589         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5590         (processor_type): Add PROCESSOR_AMDFAM10.
5591
5592         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5593         processor_type in config/i386/i386.h.
5594         Enable imul peepholes for TARGET_AMDFAM10.
5595
5596         * config.gcc: Add support for --with-cpu option for amdfam10.
5597
5598         * config/i386/i386.c (amdfam10_cost): New variable.
5599         (m_AMDFAM10): New macro.
5600         (m_ATHLON_K8_AMDFAM10): New macro.
5601         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5602         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5603         x86_promote_QImode, x86_integer_DFmode_moves,
5604         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5605         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5606         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5607         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5608         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5609         Enable/disable for amdfam10.
5610         (override_options): Add amdfam10_cost to processor_target_table.
5611         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5612         processor_alias_table.
5613         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5614         (ix86_adjust_cost): Add code for amdfam10.
5615
5616 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5617
5618         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5619         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5620         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5621         * config/i386/i386.h: Add builtin definition for SSE4A.
5622         * config/i386/i386.md: Add support for ABM instructions
5623         (popcnt and lzcnt).
5624         * config/i386/sse.md: Add support for SSE4A instructions
5625         (movntss, movntsd, extrq, insertq).
5626         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5627         Add -march=amdfam10 flag.
5628         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5629         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5630         and amdfam10.
5631         * doc/extend.texi: Add documentation for SSE4A builtins.
5632
5633 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5634
5635         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5636
5637 2007-02-05  Richard Guenther  <rguenther@suse.de>
5638
5639         * tree-vectorizer.h (vectorizable_function): Add argument type
5640         argument, change return type.
5641         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5642         * tree-vect-transform.c (vectorizable_function): Handle extra
5643         argument, return vectorized function decl.
5644         (build_vectorized_function_call): Remove.
5645         (vectorizable_call): Handle calls with result and argument types
5646         differing.  Handle loop vectorization factor correctly.
5647         * targhooks.c (default_builtin_vectorized_function): Adjust for
5648         extra argument.
5649         * targhooks.h (default_builtin_vectorized_function): Likewise.
5650         * target.h (builtin_vectorized_function): Add argument type
5651         argument.
5652         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5653         extra argument, allow vectorizing of lrintf.
5654         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5655         documentation of target hook.
5656
5657 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5658
5659         PR target/30665
5660         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5661         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5662         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5663
5664 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5665
5666         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5667         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5668         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5669         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5670         before canonicalizing sincos to cexpi.
5671         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5672
5673 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5674
5675         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5676         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5677         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5678
5679 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5680
5681         * mips-tfile.c (initialize_init_file): Correct endianness test.
5682
5683 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5684
5685         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5686         the 'y' constraint.
5687
5688 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5689
5690         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5691         saves in a PARALLEL before the register assignments.
5692
5693 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5694
5695         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5696         DWARF_FRAME_RETURN_COLUMN to be a general register.
5697         * dwarf2out.c (init_return_column_size): New function, split from...
5698         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5699         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5700         to be nongeneral registers.
5701         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5702         integer registers.
5703         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5704         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5705
5706 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5707
5708         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5709
5710 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5711
5712         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5713         (remove_path): Use can_remove_branch_p and remove_branch instead
5714         of loop_delete_branch_edge.
5715         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5716         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5717         Update profile using scale_dominated_blocks_in_loop.
5718         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5719         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5720         (can_remove_branch_p, remove_branch): Declare.
5721         * tree-cfg.c (tree_can_remove_branch_p): New function.
5722         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5723         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5724         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5725
5726 2007-02-05  Jan Hubicka  <jh@suse.cz>
5727
5728         PR middle-end/30696
5729         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5730         nodes in cgraph, don't remove offline copy of the function.
5731
5732 2007-02-04  Jan Hubicka  <jh@suse.cz>
5733
5734         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5735         vectors might cause maybe_lookup_element_for_expr to be called
5736         on non-sra-candidate.
5737
5738 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5739
5740         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5741         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5742         spelling conventions.
5743
5744 2007-02-04  Richard Guenther  <rguenther@suse.de>
5745
5746         PR middle-end/30636
5747         * fold-const.c (try_move_mult_to_index): Make sure to not
5748         overflow one dimension of a multi-dimensional array access.
5749
5750 2007-02-04  Jan Hubicka  <jh@suse.cz>
5751
5752         * passes.c (init_optimization_passes): Reindent.
5753
5754 2007-02-04  Jan Hubicka  <jh@suse.cz>
5755             Eric Botcazou  <ebotcazou@adacore.com>
5756
5757         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5758         (execute_fixup_cfg): Break out the abnormal goto code.
5759         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5760         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5761         (optimize_inline_calls): Call make_nonlocal_label_edges.
5762
5763 2007-02-04  Jan Hubicka  <jh@suse.cz>
5764
5765         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5766         true when something was changed.
5767         (rename_ssa_copies): When something was changed, do
5768         TODO_remove_unused_locals.
5769         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5770         add TODO_remove_unused_locals when instruction was removed.
5771
5772 2007-02-04  Jan Hubicka  <jh@suse.cz>
5773
5774         * ipa-inline.c (try_inline): Improve debug output; work on already
5775         inline edges too.
5776         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5777         call try_inline for already inlined edges too when flattening;
5778         inline also functions that make callee growth but overall unit size
5779         reduce.
5780
5781 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5782
5783         * config/m32c/bitops.md, config/m32c/jump.md,
5784         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5785         config/m32r/m32r.h, config/m32r/m32r.md,
5786         config/m32r/predicates.md, config/m68hc11/larith.asm,
5787         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5788         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5789         config/mips/mips-protos.h, config/mips/mips.c,
5790         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5791         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5792         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5793         spelling conventions.
5794
5795         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5796         Follow spelling conventions.
5797
5798 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5799
5800         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5801         warn about C++0x compatibility.
5802
5803 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5804
5805         * config/h8300/h8300.c, config/h8300/h8300.h,
5806         config/h8300/h8300.md: Follow spelling conventions.
5807
5808 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5809
5810         PR middle-end/30667
5811         * combine.c (try_combine): Do not substitute source operand
5812         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5813
5814 2007-02-03  Jan Hubicka  <jh@suse.cz>
5815
5816         PR gcov-profile/30650
5817         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5818         do not divide by zero for never executed counters.
5819         (tree_find_values_to_profile): Fix counters.
5820         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5821
5822 2007-02-03  Ian Lance Taylor  <iant@google.com>
5823
5824         * lower-subreg.c (simple_move_operand): New static function,
5825         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5826         operands.
5827         (simple_move): Call simple_move_operand.
5828         (find_decomposable_subregs): Add special handling of MEMs.
5829         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5830         meaning of return value.  If we see a hard register, test whether
5831         it can store a word_mode value.  Change all callers.
5832
5833 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5834
5835         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5836         ftrapv insns and expanders.
5837         (subdi3): Change define_expand operand 1 to arith11_operand, and
5838         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5839         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5840         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5841         respectively.
5842
5843         PR middle-end/30174
5844         * varasm.c (notice_global_symbol): Treat global objects as weak when
5845         flag_shlib is true.
5846
5847 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5848
5849         * emit-rtl.c (dconstpi): Delete.
5850         (dconstsqrt2): New.
5851         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5852         * real.h (dconstpi): Delete.
5853         (dconstsqrt2): New.
5854         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5855         (fold_builtin_hypot): Likewise.
5856
5857 2007-02-03  Tom Tromey  <tromey@redhat.com>
5858
5859         PR driver/30246
5860         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5861         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5862
5863 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5864
5865         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5866         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5867         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5868         config/rs6000/cell.md, config/rs6000/darwin.h,
5869         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5870         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5871         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5872         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5873         typos.  Follow spelling conventions.
5874         * doc/invoke.texi: Follow spelling conventions.
5875
5876 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5877
5878         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5879         canonicalization transformations that attempt to simplify integer
5880         constant comparisons to become comparisons against zero.
5881
5882 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5883
5884         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5885         fabs(x)*sqrt(2).
5886         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5887         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5888
5889 2007-02-02  Mike Stump  <mrs@apple.com>
5890
5891         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5892         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5893         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5894         generate a branch island.
5895
5896 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5897
5898         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5899         (xtensa_legitimate_address_p): New.
5900         (xtensa_legitimize_address): New.
5901         (xtensa_output_addr_const_extra): New.
5902         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5903         (BASE_REG_P): New.
5904         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5905         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5906         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5907         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5908         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5909         (xtensa_legitimize_address): New.
5910         (xtensa_output_addr_const_extra): New.
5911
5912 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5913
5914         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5915
5916 2007-02-02  Ian Lance Taylor  <iant@google.com>
5917
5918         * expmed.c (expand_divmod): Add comment.
5919
5920 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5921
5922         * emit-rtl.c (renumber_insns): Remove.
5923         * flags.h: Remove the extern for flag_renumber_insns.
5924         * rtl.h: Remove the prototype for renumber_insns.
5925         * toplev.c (flag_renumber_insns): Remove.
5926
5927 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5928
5929         Revert for x86 darwin:
5930         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5931
5932         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5933         code before the following patch under TARGET_MACHO.
5934         (ix86_function_value_regno_p): Likewise.
5935
5936 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5937
5938         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5939         COMPLEX_EXPR.
5940
5941 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5942
5943         PR target/29682
5944         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5945         general or fp registers.  Add comments.
5946         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5947
5948 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5949
5950         * pointer-set.c (insert_aux): Only return insertion slot.
5951         (pointer_set_insert): Adjust.
5952         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5953         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5954         pointer_map_traverse): New.
5955         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5956         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5957         pointer_map_contains, pointer_map_traverse): Declare.
5958
5959 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5960
5961         PR middle-end/30473
5962         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5963         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5964
5965 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5966
5967         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5968
5969         (struct _dep): New type.
5970         (dep_t): New typedef.
5971         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5972         (DEP_STATUS): New access macro.  The macro with the same name was
5973         renamed to DEP_LINK_STATUS.
5974         (dep_init): Declare function
5975
5976         (struct _dep_link): New type.
5977         (dep_link_t): New typedef.
5978         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5979         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5980         (DEP_LINK_STATUS): New macro.
5981         (debug_dep_links): New debug function.
5982
5983         (struct _deps_list): New type.
5984         (deps_list_t): New typedef.
5985         (DEPS_LIST_FIRST): New access macro.
5986         (FOR_EACH_DEP_LINK): New cycle macro.
5987         (create_deps_list, free_deps_list, delete_deps_list): Declare
5988         functions.
5989         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5990         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5991         (copy_deps_list_change_con): Ditto.
5992
5993         (move_dep_link): Declare function.
5994
5995         (struct _dep_node): New type.
5996         (dep_node_t): New typedef.
5997         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5998
5999         (struct haifa_insn_data.back_deps): New field to hold backward
6000         dependencies of the insn.
6001         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6002         to deps_list_t.
6003         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6004         Change its type to deps_list_t.
6005         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6006         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6007         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6008
6009         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6010
6011         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6012
6013         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6014         all callers.
6015         (dep_cost): Declare.
6016
6017         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6018         (ds_to_dk, dk_to_ds): New functions.
6019
6020         (init_dep_1): New static function.
6021         (init_dep): New function.
6022         (copy_dep): New static function.
6023
6024         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6025         functions.
6026         (detach_dep_link): New static function.
6027         (move_dep_link): New function.
6028
6029         (dep_links_consistent_p, dump_dep_links): New static functions.
6030         (debug_dep_links): New debugging function.
6031
6032         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6033
6034         (alloc_deps_list, init_deps_list): New static functions.
6035         (create_deps_list): New function.
6036         (clear_deps_list): New static function.
6037         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6038         (deps_list_consistent_p, dump_deps_list): New static functions.
6039         (debug_deps_list): New function.
6040         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6041         functions.
6042         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6043
6044         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6045         use new scheduler dependencies lists.
6046         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6047         (sched_analyze): Ditto.  Initialize dependencies lists.
6048         (add_forw_dep, compute_forward_dependences): Update to use new
6049         scheduler dependencies lists.
6050
6051         (init_dependency_caches): Init deps_obstack.
6052         (free_dependency_caches): Free deps_obstack.
6053
6054         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6055         new scheduler dependencies lists.
6056         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6057         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6058
6059         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6060         Update to use new scheduler dependencies lists.
6061         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6062         (debug_dependencies): Ditto.
6063         (schedule_region): Update comments.
6064
6065         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6066         scheduler dependencies lists.
6067         (schedule_ebb): Update comments.
6068
6069         * rtl.def (DEPS_LIST): Remove.
6070
6071         * lists.c (unused_deps_list): Remove.
6072         (free_list): Update assertions.
6073
6074         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6075         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6076
6077         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6078         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6079
6080         * haifa-sched.c (comments): Update.
6081         (insn_cost1): Remove.  Inline the code into insn_cost ().
6082         (insn_cost): Update to use new scheduler dependencies lists.  Move
6083         processing of the dependency cost to dep_cost ().
6084         (dep_cost): New function.  Use it instead of insn_cost () when
6085         evaluating cost of the dependency.  Use compatible interface to
6086         interact with the target.
6087         (priority): Update to use new scheduler dependencies lists.
6088         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6089         with greater number of insns that depend on the insn.
6090         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6091         code to free backward dependencies lists.  Inline and optimize code
6092         from resolve_dep () - see PR28071.
6093         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6094         lists.  Update call to targetm.sched.is_costly_dependence hook.
6095
6096         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6097         scheduler dependencies lists.
6098
6099         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6100         (init_h_i_d): Initialize dependencies lists.
6101
6102         (process_insn_depend_be_in_spec): Rename to
6103         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6104         dependencies lists.
6105         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6106         Update to use new scheduler dependencies lists.
6107         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6108
6109         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6110         new scheduler dependencies lists.
6111         (build_intra_loop_deps): Ditto.
6112
6113         * target.h (struct _dep): Declare to use in
6114         gcc_target.sched.is_costly_dependence.
6115         (struct gcc_target.sched.adjust_cost): Fix typo.
6116         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6117         single dep_t parameter instead of an equivalent triad.
6118         (struct gcc_target.sched.adjust_cost_2): Remove.
6119
6120         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6121
6122         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6123
6124         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6125         documentation.
6126         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6127
6128         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6129         (REG_DEP_TRUE): Document.
6130
6131         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6132         Change signature to correspond to the targetm.sched.adjust_cost hook.
6133         Update use in TARGET_SCHED_ADJUST_COST_2.
6134         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6135         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6136         new scheduler dependencies lists.
6137         (ia64_gen_check): Ditto.
6138
6139         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6140         dependencies lists.
6141
6142         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6143         signature to correspond to the targetm.sched.is_costly_dependence hook.
6144         (is_costly_group): Update to use new scheduler dependencies lists.
6145
6146         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6147         instead of INSN_COST () macro.
6148
6149 2007-02-01  Ian Lance Taylor  <iant@google.com>
6150
6151         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6152
6153 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6154
6155         * pa.md (tp_load): Correct mfctl instruction syntax.
6156
6157 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6158
6159         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6160         altivec_padding_size calculation on AIX.  Improve comment, add
6161         assert to verify that it's right.
6162
6163         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6164         64-bit.
6165
6166 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6167
6168         PR inline-asm/28686
6169         * global.c (global_alloc): Add mising initialization of
6170         ELIMINABLE_REGSET.
6171
6172 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6173
6174         * alias.c (init_alias_analysis): Correct whitespace.
6175         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6176         partition_hot_cold_basic_blocks): Likewise.
6177         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6178         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6179         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6180         fold_builtin_snprintf_chk, fold_builtin_printf,
6181         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6182         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6183         * cfgcleanup.c (cleanup_cfg): Likewise.
6184         * cfgexpand.c (tree_expand_cfg): Likewise.
6185         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6186         * function.c (get_next_funcdef_no): Likewise.
6187         * gengtype.c (main): Likewise.
6188         * genmodes.c (main): Likewise.
6189         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6190         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6191         * ifcvt.c (noce_emit_move_insn): Likewise.
6192         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6193         Likewise.
6194         * stor-layout.c (get_best_mode): Likewise.
6195         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6196         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6197         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6198         perform_var_substitution, solve_graph): Likewise.
6199         * tree-vrp.c (vrp_finalize): Likewise.
6200
6201 2007-02-01  Ian Lance Taylor  <iant@google.com>
6202
6203         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6204         high part of a paradoxical subreg, return a constant zero.
6205
6206 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6207
6208         * toplev.c (lang_dependent_init): Call init_set_costs.
6209         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6210
6211 2007-02-01  Richard Guenther  <rguenther@suse.de>
6212
6213         PR middle-end/30656
6214         * fold-const.c (fold_negate_expr): Allow negating a
6215         constant if overflow does not change.
6216
6217 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6218
6219         * doc/c-tree.texi (Expression trees): Improve markup.
6220         * doc/tm.texi (Register Classes, Addressing Modes)
6221         (Floating Point): Fix spacing after abbreviations.  Fix some
6222         typos.
6223
6224 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6225
6226         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6227         * doc/contrib.texi: Likewise.
6228         * doc/install.texi: Likewise.
6229
6230 2007-01-31  Richard Henderson  <rth@redhat.com>
6231             Ian Lance Taylor  <iant@google.com>
6232
6233         * lower-subreg.c: New file.
6234         * rtl.def (CONCATN): Define.
6235         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6236         pass_lower_subreg2.
6237         * emit-rtl.c (update_reg_offset): New static function, broken out
6238         of gen_rtx_REG_offset.
6239         (gen_rtx_REG_offset): Call update_reg_offset.
6240         (gen_reg_rtx_offset): New function.
6241         * regclass.c: Revert patch of 2006-03-05, restoring
6242         reg_scan_update.
6243         (clear_reg_info_regno): New function.
6244         * dwarf2out.c (concatn_loc_descriptor): New static function.
6245         (loc_descriptor): Handle CONCATN.
6246         * common.opt (fsplit_wide_types): New option.
6247         * opts.c (decode_options): Set flag_split_wide_types when
6248         optimizing.
6249         * timevar.def (TV_LOWER_SUBREG): Define.
6250         * rtl.h (gen_reg_rtx_offset): Declare.
6251         (reg_scan_update): Declare.
6252         * regs.h (clear_reg_info_regno): Declare.
6253         * tree-pass.h (pass_lower_subreg): Declare.
6254         (pass_lower_subreg2): Declare.
6255         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6256         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6257         -fsplit-wide-types.
6258         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6259         * Makefile.in (OBJS-common): Add lower-subreg.o.
6260         (lower-subreg.o): New target.
6261
6262 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6263
6264         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6265
6266 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6267
6268         PR target/19087
6269         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6270
6271 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6272
6273         PR middle-end/29335
6274         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6275
6276 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6277
6278         * cfgloop.h: Include vec-prim.h.
6279         (enum li_flags): Remove LI_ONLY_OLD.
6280         (loop_iterator): Changed.
6281         (fel_next, fel_init): Iterate over loop tree.
6282         (FOR_EACH_LOOP_BREAK): New macro.
6283         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6284         FOR_EACH_LOOP.
6285         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6286         * modulo-sched.c (sms_schedule): Ditto.
6287         * tree-vectorizer.c (vectorize_loops): Ditto.
6288         * doc/loop.texi: Update information on loop numbering and behavior of
6289         FOR_EACH_LOOP wrto new loops.
6290         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6291         add_to_evolution_1): Test nestedness of loops instead of comparing
6292         their numbers.
6293         * tree-chrec.c (chrec_fold_plus_poly_poly,
6294         chrec_fold_multiply_poly_poly, chrec_evaluate,
6295         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6296         reset_evolution_in_loop): Ditto.
6297         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6298
6299 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6300
6301         * c-common.c (warn_about_parentheses): Separate warning about
6302         un-parenthized sequence of comparison operators from the one
6303         which is supposed to warn about x <= y <= z.
6304
6305 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6306
6307         * optabs.h (enum optab_index): Add new OTI_isinf.
6308         (isinf_optab): Define corresponding macro.
6309         * optabs.c (init_optabs): Initialize isinf_optab.
6310         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6311         patterns.
6312         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6313         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6314         using isinf_optab.
6315         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6316         expand_builtin_interclass_mathfn.
6317         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6318         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6319         (fxam<mode>2_i387): New insn pattern.
6320         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6321         built-in functions as x87 inline asm.
6322
6323 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6324
6325         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6326
6327 2007-01-30  Eric Christopher  <echristo@apple.com>
6328
6329         * config.gcc: Add geode.
6330
6331 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6332
6333         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6334         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6335         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6336         value-prof.c: Fix comment typos.
6337
6338 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6339
6340         PR c++/24745
6341         * doc/invoke.texi (Wpointer-arith): Document warning.
6342
6343 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6344
6345         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6346         the list of discrepancies from the draft TR.
6347
6348 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6349
6350         PR c++/30601
6351         * doc/invoke.texi (-Wreturn-type): Update description to
6352         match new behavior.
6353
6354 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6355
6356         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6357
6358 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6359
6360         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6361         to handle optabs that operate on floating point input argument and
6362         output to integer output.
6363         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6364         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6365         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6366         expand_builtin_interclass_mathfn ().
6367         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6368         (ilogbsi2): Remove.
6369         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6370         ilogbl built-in functions as x87 intrinsics.
6371
6372 2007-01-30  Richard Guenther  <rguenther@suse.de>
6373
6374         PR middle-end/27657
6375         * dwarf2out.c (reference_to_unused): Query varpool if the
6376         variable was output.
6377
6378 2007-01-30  Richard Guenther  <rguenther@suse.de>
6379
6380         PR middle-end/30313
6381         * passes.c (execute_one_pass): Reset in_gimple_form to not
6382         confuse non-unit-at-a-time mode.
6383
6384 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6385             Richard Guenther  <rguenther@suse.de>
6386
6387         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6388         avoid undefined behaviour on overflow.  Use force_fit_type_double
6389         to construct the constant with the specified TREE_OVERFLOW.
6390
6391 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6392
6393         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6394         * config/dfp-bit.h: Ditto.
6395
6396 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6397
6398         * c-decl.c (pop_scope): Replace warnings with call to
6399         warn_for_unused_label.
6400         * c-common.h (warn_for_unused_label): Declare.
6401         * c-common.c (warn_for_unused_label): Define.
6402
6403 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6404
6405         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6406         function.
6407
6408 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6409
6410         * Makefile.in (USER_H): Remove decfloat.h.
6411         * ginclude/decfloat.h: Delete, moving contents to ...
6412         * ginclude/float.h: Add support for decimal floating point,
6413         guarded by __STDC_WANT_DEC_FP__.
6414
6415 2007-01-29  Mike Stump  <mrs@apple.com>
6416
6417         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6418         Analysis and Representation to resolve case insensitive conflict.
6419         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6420
6421 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6422
6423         * tree.h (struct tree_memory_tag): Add aliases member.
6424         (MTAG_ALIASES): New macro.
6425         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6426         (add_may_alias): Remove pointer-set. Update for may_aliases being
6427         a bitmap.
6428         (mark_aliases_call_clobbered): Update for may_aliases being a
6429         bitmap.
6430         (compute_tag_properties): Ditto.
6431         (create_partition_for): Ditto.
6432         (compute_memory_partitions): Ditto.
6433         (dump_may_aliases_for): Ditto.
6434         (is_aliased_with): Ditto.
6435         (add_may_alias_for_new_tag): Ditto.
6436         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6437         (compute_is_aliased): New function.
6438         (compute_may_aliases): Call compute_is_aliased).
6439         (init_alias_info): Initialize alias_bitmap_obstack.
6440         (union_alias_set_into): New function.
6441         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6442         (have_common_aliases_p): Rewrite to take two bitmaps and use
6443         intersection.
6444         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6445         Update for bitmaps.
6446         (finalize_ref_all_pointers): Update for add_may_alias changes.
6447         (new_type_alias): Ditto.
6448         * tree-flow-inline.h (may_aliases): Return a bitmap.
6449         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6450         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6451         may_aliases being a bitmap.
6452         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6453         may_aliases now returns a bitmap.
6454         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6455         being a bitmap.
6456         * tree-ssa-operands.c (add_virtual_operand): Update for
6457         may_aliases being a bitmap.
6458
6459 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6460
6461         PR tree-optimization/30630
6462         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6463         variable as changed.
6464
6465 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6466
6467         PR c++/28266
6468         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6469         expanded only once even if an error occurs.
6470
6471 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6472
6473         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6474         (__gcov_average_profiler): Likewise.
6475         (__gcov_ior_profiler): Likewise.
6476         (__gcov_merge_ior): Likewise.
6477
6478 2007-01-28  Jan Hubicka  <jh@suse.cz>
6479
6480         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6481         * value-prof.c (stringop_block_profile): Likewise.
6482
6483 2007-01-28  Jan Hubicka  <jh@suse.cz>
6484
6485         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6486         variant handling histograms; add wrapper.
6487         (clear_storage_via_libcall): Export.
6488         (emit_block_move_hints): Break out from ...; add histograms.
6489         (emit_block_move): ... this one.
6490         (clear_storage_hints): Break out from ...; add histograms.
6491         (clear_storage): ... this one.
6492         (set_storage_via_memset): Handle histogram.
6493         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6494         (clear_storage_hints, clear_storage_via_libcall): Declare.
6495         (set_storage_via_setmem): Update prototype.
6496         * doc/md.texi (movmem, setmem): Document new arguments.
6497
6498         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6499         new histograms.
6500         (stringop_block_profile): New global function.
6501         (tree_stringops_values_to_profile): Profile block size and alignment.
6502         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6503         HIST_TYPE_IOR.
6504         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6505         (stringop_block_profile): Declare.
6506         * builtins.c: Include value-prof.h.
6507         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6508         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6509         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6510         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6511         * profile.c (instrument_values): Add new counters.
6512         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6513         calls.
6514         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6515         (tree_init_edge_profiler): Build new profilers.
6516         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6517         (pass_tree_profile): Add dump.
6518         (tree_profile_hooks): Update.
6519         * Makefile.in (LIBGCOV): Add new constants.
6520         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6521         __gcov_ior_profiler): New.
6522         * i386.md (movmem/setmem expanders): Add new optional arguments.
6523
6524 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6525
6526         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6527
6528 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6529
6530         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6531         (tree_unswitch_single_loop): Pass eni_size_weights to
6532         tree_num_loop_insns.
6533         * tree-ssa-loop-manip.c: Include tree-inline.h.
6534         (can_unroll_loop_p): Pass eni_size_weights to
6535         tree_num_loop_insns.
6536         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6537         Pass eni_size_weights to estimate_num_insns.
6538         * tree.h (init_inline_once): Export.
6539         * toplev.c (backend_init): Call init_inline_once.
6540         * cgraphunit.c (cgraph_process_new_functions,
6541         cgraph_analyze_function): Pass eni_inlining_weights to
6542         estimate_num_insns.
6543         * ipa-inline.c (compute_inline_parameters): Ditto.
6544         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6545         to estimate_num_insns.
6546         (try_unroll_loop_completely): Pass eni_size_weights to
6547         tree_num_loop_insns.
6548         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6549         ot estimate_num_insns.
6550         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6551         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6552         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6553         eni_time_weights): New variables.
6554         (init_inline_once): Initialize them.
6555         (struct eni_data): Mew.
6556         (estimate_num_insns_1, estimate_num_insns): Use weights.
6557         * tree-inline.h (struct eni_weights_d): New.
6558         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6559         (estimate_num_insns): Declaration changed.
6560         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6561         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6562         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6563
6564 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6565
6566         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6567         relations in the conflict function is valid.
6568
6569 2007-01-27  Ian Lance Taylor  <iant@google.com>
6570
6571         * common.opt: Add fstrict-overflow.
6572         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6573         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6574         (TYPE_OVERFLOW_UNDEFINED): Define.
6575         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6576         Replace all uses.
6577         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6578         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6579         (fold_negate_expr): Likewise.
6580         (make_range): Likewise.
6581         (extract_muldiv_1): Likewise.
6582         (maybe_canonicalize_comparison): Likewise.
6583         (fold_comparison): Likewise.
6584         (fold_binary): Likewise.
6585         (tree_expr_nonnegative_p): Likewise.
6586         (tree_expr_nonzero_p): Likewise.
6587         * tree-vrp.c (compare_values): Likewise.
6588         (extract_range_from_binary_expr): Likewise.
6589         (extract_range_from_unary_expr): Likewise.
6590         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6591         Likewise.
6592         (nowrap_type_p): Likewise.
6593         * tree-scalar-evolution.c (simple_iv): Likewise.
6594         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6595         (build_range_check): Likewise.
6596         (extract_muldiv_1): Likewise.
6597         (fold_comparison): Likewise.
6598         * tree-vrp.c (vrp_int_const_binop): Likewise.
6599         (extract_range_from_unary_expr): Likewise.
6600         * convert.c (convert_to_integer): Likewise.
6601         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6602         (fold_comparison): Likewise.
6603         (fold_binary): Likewise.
6604         * optabs.c (optab_for_tree_code): Likewise.
6605         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6606         * simplify-rtx.c (simplify_const_relational_operation): Check
6607         flag_strict_overflow and flag_trapv.
6608         (simplify_const_relational_operation): Likewise.
6609         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6610         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6611         -fstrict-overflow.
6612
6613 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6614
6615         * tree.c (tree_fold_gcd): Delete.
6616         * tree.h (tree_fold_gcd): Remove prototype.
6617         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6618         test whether one constant integer is a multiple of another.  Instead
6619         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6620         * fold-const.c (multiple_of_p):  We've determined both TOP and
6621         BOTTOM are integer constants so we can call int_const_binop directly
6622         instead of the more generic const_binop.
6623
6624 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6625
6626         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6627         1*X check that the constant hasn't overflowed, to preserve the
6628         TREE_OVERFLOW bit.
6629         (round_up): Provide an efficient implementation when rouding-up an
6630         INTEGER_CST to a power-of-two.
6631
6632 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6633
6634         * doc/sourcebuild.texi: Add comma for clarity.
6635         * doc/extend.texi: Fix some typos.
6636         * doc/passes.texi: Likewise.
6637         * doc/cppinternals.texi: Likewise.
6638         * doc/c-tree.texi: Likewise.
6639         * doc/tree-ssa.texi: Likewise.
6640         * doc/install.texi: Likewise.
6641
6642 2007-01-27  Jan Hubicka  <jh@suse.cz>
6643
6644         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6645         (pass_sra): Do not require alias information.
6646         * passes.c (init_optimization_passes): Add SRA
6647
6648 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6649
6650         * tracer.c (rest_of_handle_tracer): We already cleaned
6651         up the CFG in tracer() so don't do it here again.
6652         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6653         cleanup_cfg here, either.  And don't call renumber_insns.
6654
6655         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6656         and BB_HEAD are in the insn stream here.  Instead make sure
6657         that BB_INSN is valid on all insns.  Also, do check here that
6658         there are no pending branch predictions...
6659         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6660         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6661         here.
6662
6663 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6664
6665         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6666         function to simplify/factorize operand order canonicalization.
6667         (ix86_fixup_binary_operands): Reorganize using the above function.
6668         (ix86_binary_operator_ok): Likewise.
6669
6670 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6671
6672         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6673         file scope from optimize_attrs.
6674         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6675         up search.
6676         (optimize_attrs): Clear insn_code_values after freeing it.
6677
6678 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6679
6680         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6681         a parts.base assignment.
6682
6683 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6684
6685         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6686         (compute_subscript_distance, initialize_data_dependence_relation,
6687         finalize_ddr_dependent, analyze_ziv_subscript,
6688         analyze_siv_subscript_cst_affine,
6689         compute_overlap_steps_for_affine_univar,
6690         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6691         analyze_siv_subscript, analyze_miv_subscript,
6692         analyze_overlapping_iterations, subscript_dependence_tester_1,
6693         compute_self_dependence, free_dependence_relation): Work
6694         with affine_fn instead of chrecs.
6695         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6696         common_affine_function, affine_function_base,
6697         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6698         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6699         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6700         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6701         (all_chrecs_equal_p): Removed.
6702         * tree-data-ref.h (affine_fn, conflict_function): New types.
6703         (struct subscript): Change type of conflicting_iterations_in_a
6704         and conflicting_iterations_in_b.
6705
6706 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6707
6708         PR other/30182
6709         * config/pa/pa.h (TARGET_HPUX_11): New.
6710         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6711         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6712
6713 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6714         Richard Guenther  <rguenther@suse.de>
6715
6716         * tree-ssa-structalias.c (solve_graph): Handle case
6717         we merged the variable to another.
6718
6719 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6720
6721         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6722         functions.
6723
6724         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6725         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6726
6727 2007-01-25  DJ Delorie  <dj@redhat.com>
6728
6729         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6730         allow changes to modes which don't fit in those registers.
6731
6732         * reload1.c (choose_reload_regs): Check for invalid subregs before
6733         computing their locations, not after.
6734
6735 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6736
6737         PR 25127
6738         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6739         save Altivec registers in an eh_return function.
6740         (compute_vrsave_mask): Likewise.
6741         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6742         for saving Altivec registers.
6743         (rs6000_emit_prologue): Don't allocate stack twice in
6744         eh_return function.  Correct expected value of altivec_save_offset
6745         when using save_world.  Describe save of R0 to stack when using
6746         save_world.  Describe stack pointer adjustment when using
6747         save_world.  Remove duplicated eh_return parameter register saving.
6748         Update sp_offset variable after save_world.
6749         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6750         darwin-world.asm.
6751         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6752         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6753         implies Altivec.
6754
6755 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6756
6757         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6758
6759 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6760
6761         PR other/30182
6762         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6763         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6764
6765 2007-01-25  Richard Guenther  <rguenther@suse.de>
6766
6767         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6768         * common.opt (-Wcoverage-mismatch): New warning option.
6769         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6770         if -Wcoverage-mismatch is given.
6771
6772 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6773
6774         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6775         (ipcp_driver): Change to static definition.
6776         Add dumping of the ifunctions.
6777         (constant_val_insert): Remove unused parameter. Support for SSA.
6778         (ipcp_propagate_const): Support for SSA.
6779         (ipcp_profile_bb_print): Print only analyzed nodes.
6780         (ipcp_replace_map_create): Remove support for Fortran constant
6781         for now.
6782         * ipa-prop.c (ipa_method_modify_stmt,
6783         ipa_callsite_compute_param): Support for SSA.
6784         * ipa-prop.h (ipcp_driver): Remove declaration.
6785         (IS_VALID_TREE_MAP_INDEX): Add define.
6786
6787 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6788
6789         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6790
6791 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6792
6793         PR middle-end/30447
6794         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6795         constant argument to cabs and do it without checking for
6796         -funsafe-math-optimizations.
6797
6798 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6799
6800         * c-common.h (RID_FIRST_CXX0X): New.
6801         (RID_LAST_CXX0X): New.
6802         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6803         by -Wall.
6804         * c.opt (Wc++0x-compat): New.
6805         * doc/invoke.texi (-Wc++0x-compat): Document.
6806
6807 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6808
6809         * builtins.c (fold_builtin_carg): New.
6810         (fold_builtin_1): Use it.
6811
6812 2007-01-24  Jan Hubicka  <jh@suse.cz>
6813
6814         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6815
6816         * ipa-inline.c (initial_insns, max_insns): Delete.
6817         (compute_max_insns): New function.
6818         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6819         of insns as base for code growth.
6820         (cgraph_decide_inlining): Make initial_insns local; do not compute
6821         max_insns.
6822         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6823         * doc/invoke.texi (inline-unit-growth): Update docs.
6824
6825 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6826
6827         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6828         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6829         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6830         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6831         for CPUs that have PTA_CX16 set.
6832
6833         PR middle-end/27416
6834         * gimplify.c (omp_check_private): New function.
6835         (gimplify_scan_omp_clauses): Use it for
6836         firstprivate/lastprivate/reduction.
6837
6838         PR middle-end/30494
6839         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6840         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6841
6842         PR middle-end/30421
6843         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6844         If lower_lastprivate_clauses emits some statements, append them
6845         to dlist rather than body_p and to body_p append an initializer.
6846         (lower_omp_for): Adjust caller.
6847
6848 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6849
6850         * target.h (globalize_decl_name): New.
6851         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6852         * output.h (default_globalize_decl_name): New.
6853         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6854         globalize_label.
6855         (globalize_decl): Ditto.
6856         (default_globalize_decl_name): New.
6857         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6858         (ia64_handle_version_id_attribute): New.
6859         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6860         (ia64_asm_output_external): Use globalize_decl_name instead
6861         of globalize_label.
6862         * doc/extend.texi (version_id): New pragma.
6863         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6864
6865 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6866
6867         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6868         _uleb128_t and _Unwind_SWord with _sleb128_t.
6869         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6870         uw_frame_state_for, uw_update_context_1): Likewise.
6871         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6872         * unwind-pe.h (read_uleb128, read_sleb128,
6873         read_encoded_value_with_base): Likewise.
6874         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6875
6876 2007-01-24  Richard Guenther  <rguenther@suse.de>
6877
6878         * builtins.c (expand_builtin_cexpi): Get the fndecl
6879         for cexp in the correct way.
6880
6881 2007-01-24  Jan Hubicka  <jh@suse.cz>
6882
6883         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6884
6885 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6886
6887         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6888         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6889         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6890         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6891         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6892         __SIZEOF_PTRDIFF_T__.
6893         * doc/cpp.texi: Documentation for the new builtin macros added.
6894
6895 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6896
6897         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6898         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6899         instead of operands[2] to avoid access past the end of array.
6900
6901 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6902
6903         * reload1.c (emit_reload_insns): Pass the reload register
6904         for a non-spill output reload through forget_old_reloads_1.
6905
6906 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6907
6908         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6909         _SOFT_DOUBLE if doubles use software floating-point.
6910         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6911         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6912         * config/rs6000/darwin-ldouble.c: Also compile functions for
6913         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6914         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6915         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6916         commented-out long double override.
6917         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6918         * config/rs6000/eabispe.h: Likewise.
6919         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6920         long double for non-SPE.
6921         (rs6000_handle_option): Likewise.
6922         (invalid_e500_subreg): Disallow more subregs involding DImode,
6923         DFmode, TImode or TFmode.
6924         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6925         E500 double.
6926         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6927         double.
6928         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6929         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6930         double.
6931         (rs6000_legitimate_address): Also check for TFmode for E500
6932         double.
6933         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6934         (spe_build_register_parallel): Handle TFmode and TCmode.
6935         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6936         double.
6937         (function_arg): Handle TFmode and TCmode for E500 double.
6938         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6939         in general.
6940         (print_operand): Handle TFmode and TImode for %y.
6941         (rs6000_generate_compare): Handle TFmode comparisons for E500
6942         double.
6943         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6944         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6945         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6946         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6947         TFmode for E500 double.
6948         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6949         (floatsidf2): Enable for E500 double.
6950         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6951         (extenddftf2): Change to extenddftf2_fprs.
6952         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6953         depending on TARGET_E500_DOUBLE.
6954         (extendsftf2): Enable for E500 double.
6955         (trunctfdf2): Enable for E500 double.
6956         (trunctfsf2): Change to trunctfsf2_fprs.
6957         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6958         depending on TARGET_E500_DOUBLE.
6959         (floatsitf2): Enable for E500 double.
6960         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6961         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6962         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6963         (negtf2): Change to negtf2_internal.
6964         (negtf2): New expander.
6965         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6966         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6967         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6968         (movdi_internal32): Use rs6000_nonimmediate_operand.
6969         (unnamed splitter): Likewise.
6970         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6971         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6972         (SPE64TF, DITI): New mode macros.
6973         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6974         modes.
6975         (frob_tf_ti): New.
6976         (frob_<mode>_di_2): New.
6977         (frob_tf_di_8_2): New.
6978         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6979         (frob_ti_tf): New.
6980         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6981         more modes.
6982         (frob_ti_<mode>_8_2): New.
6983         (frob_ti_tf_2): New.
6984         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6985         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6986         TFmode.
6987         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6988         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6989         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6990         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6991         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6992         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6993         tsttflt_gp): New.
6994
6995 2007-01-23  Ian Lance Taylor  <iant@google.com>
6996
6997         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6998         insn-*.o first.
6999         (OBJS-archive): Reformat, alphabetize.
7000         (OBJS): Change out_object_file to OBJS-md.
7001
7002 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7003
7004         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7005         JUMP_P and CALL_P predicates where applicable.
7006         * config/i386/i386.c: Ditto.
7007         * config/i386/i386.md: Ditto.
7008         * config/i386/mmx.md: Ditto.
7009         * config/i386/predicates.md: Ditto.
7010
7011 2007-01-22  Andreas Schwab  <schwab@suse.de>
7012
7013         * config/m68k/m68k.h: Fix comment.
7014
7015 2007-01-22  Jan Hubicka  <jh@suse.cz>
7016
7017         * passes.c (init_optimization_passes): Do not rerun
7018         pass_early_warn_uninitialized.
7019
7020 2007-01-22  Richard Guenther  <rguenther@suse.de>
7021
7022         PR tree-optimization/30038
7023         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7024         function.
7025         (execute_cse_sincos_1): Likewise.
7026         (execute_cse_sincos): Likewise.
7027         (gate_cse_sincos): Likewise.
7028         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7029         the cexpi() canonicalization of sincos().
7030         * tree-pass.h (pass_cse_sincos): Declare.
7031         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7032
7033 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7034
7035         PR rtl-optimization/29329
7036         * combine.c (replaced_rhs_insn): Rename to i2mod.
7037         (replaced_rhs_value): Rename to i2mod_new_rhs.
7038         (i2mod_old_rhs): New global variable.
7039         (combine_instructions): Adjust for above change.  Save a copy of
7040         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7041         note are substituted in the second instruction.
7042         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7043         ditch the note if it pertains to the second eliminated register
7044         and this register is mentioned in i2mod_old_rhs.
7045
7046         Revert:
7047         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7048
7049         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7050         the insn to which the note was originally attached.
7051
7052 2007-01-21  Jan Hubicka  <jh@suse.cz>
7053
7054         * ipa-inline.c (inlining_mode): Comment, move up.
7055         (cgraph_decide_inlining_incrementally): Do not perform inlining
7056         itself; fix handling of flattening of self recursive functions.
7057         (cgraph_find_cycles): Remove.
7058         (cgraph_flatten_node): Remove.
7059         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7060         (try_inline): New function.
7061         (cgraph_early_inlining): Update call of
7062         cgraph_decide_inlining_incrementally.  Apply inlining here.
7063         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7064
7065 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7066
7067         PR bootstrap/30511
7068         * tree-vrp.c (check_array_bounds): do not warn
7069         about ADDR_EXPR's of ARRAY_REF's which are immediately
7070         used in binary expressions.
7071
7072 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7073
7074         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7075         read_write_dep and macros for its access.
7076         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7077         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7078         argument, call vect_check_interleaving for every independent pair of
7079         data-refs. Mark loads that access the same memory location as a store
7080         in the loop.
7081         (vect_check_dependences): Remove.
7082         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7083         call, fix the call to vect_analyze_data_ref_dependence.
7084         (vect_analyze_data_ref_access): For statements that access the same
7085         data-ref, check that they are not stores; for loads, check that there
7086         is no store that access the same location.
7087
7088 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7089             Joseph Myers  <joseph@codesourcery.com>
7090
7091         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7092         (-fdump-rtl-stack): Likewise.
7093         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7094         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7095         (-mpt-fixed): Use @minus{} for minus sign.
7096         (Using Precompiled Headers): Fix under/overfull hbox.
7097
7098 2007-01-20  Jan Hubicka  <jh@suse.cz>
7099
7100         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7101         place within annotation.
7102
7103 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7104
7105         * pa.c (output_move_double): Change array size of xoperands to 4.
7106
7107 2007-01-20  Jan Hubicka  <jh@suse.cz>
7108
7109         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7110         as temporary.
7111
7112 2007-01-19  Ian Lance Taylor  <iant@google.com>
7113
7114         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7115         constant to unsigned HOST_WIDE_INT before negating.
7116
7117 2007-01-19  Ian Lance Taylor  <iant@google.com>
7118
7119         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7120         to unsigned.
7121         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7122         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7123         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7124         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7125         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7126         (realloc_vdef, realloc_vuse): Change second parameter to
7127         unsigned.
7128         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7129         fields to unsigned.
7130         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7131         unsigned. Change x and lim locals to unsigned.
7132         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7133         unsigned.
7134         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7135         (copy_virtual_operands): Change i and n locals to unsigned.
7136
7137 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7138
7139         PR middle-end/29335
7140         * builtins.c (fold_builtin_1): Handle builtin fdim.
7141
7142 2007-01-20  Jan Hubicka  <jh@suse.cz>
7143
7144         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7145         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7146         init_alias_heapvars.
7147         (init_alias_heapvars): Initialize only when not already initialized.
7148         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7149
7150 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7151
7152         * common.opt (fsigned-zeros): New command line option.
7153         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7154         of flag_unsafe_math_optimizations.
7155         * opts.c (set_fast_math_flags): The -ffast-math command line option
7156         implies -fno-signed-zeros.
7157         (fast_math_flags_set_p): Likewise.
7158
7159         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7160         the documentation of -ffast-math appropriately.  Wrap long lines.
7161
7162 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7163
7164         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7165         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7166
7167 2007-01-19  Tomas Bily  <tbily@suse.cz>
7168
7169         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7170         * tree-profile.c:
7171         (tree_init_ic_make_global_vars): New function
7172         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7173         (tree_gen_ic_profiler): New function
7174         (tree_gen_ic_func_profiler): New function
7175         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7176         (tree_profile_hooks): Added hook for indirec/virtual calls
7177         * value-prof.c (tree_find_values_to_profile): New case for
7178         indirect calls
7179         (tree_values_to_profile): Call for determining indirect/virtual
7180         counters
7181         (tree_indirect_call_to_profile): New function
7182         (tree_ic_transform): New function
7183         (tree_ic): New function
7184         (find_func_by_pid): New function
7185         (init_pid_map): New function
7186         (tree_value_profile_transformations): Added check for
7187         indirect/virtual call transformation
7188         * value-prof.h (enum hist_type): New counter type for
7189         indirect/virtual calls
7190         (profile_hooks): Added new hook for profiling indirect/virtual
7191         calls
7192         * profile.c (instrument_values): New case for indirect/virtual
7193         call added
7194         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7195         (GCOV_COUNTER_V_INDIR): New counter type
7196         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7197         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7198         call added
7199         * cgraph.c: Definition of cgraph_max_pid
7200         (cgraph_create_node): Default init of pid attribute
7201         * cgraph.h: Declaration of cgraph_max_pid
7202         (struct cgraph_node): Added pid attribute
7203         * libgcov.c (__gcov_indirect_call_profiler): New function
7204         (__gcov_one_value_profiler_body): New function
7205         (__gcov_one_value_profiler): Body was moved to
7206         __gcov_one_value_profiler_body and calls it
7207
7208 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7209
7210         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7211         * gengtype.c (write_types_data, write_func_for_structure,
7212         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7213         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7214         (walk_type, write_func_for_structure): Generate the mark_hook if
7215         needed.
7216
7217 2007-01-19  Jan Hubicka  <jh@suse.cz>
7218
7219         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7220         'early' argument take inlining mode argument specifying whether to
7221         inline for size/speeed or all functions; add support for flattening;
7222         improve dumpting.
7223         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7224
7225 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7226
7227         PR c++/17947
7228         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7229         the name of the declared identifier.
7230
7231 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7232
7233         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7234         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7235         duplicate evaluation.
7236
7237 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7238
7239         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7240         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7241         to XFMode, use acosxf2 and truncate result to requested mode.
7242         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7243         (asin<mode>2): Similarly, with asin expanders.
7244         (*fscalexf4_i387): Rename from *fscalexf4.
7245         (expNcorexf3): New expander.
7246         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7247         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7248         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7249         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7250         patterns for SSE math.
7251         (exp10<mode>2): Similarly, with exp10 expanders.
7252         (exp2<mode>2): Similarly, with exp2 expanders.
7253         (expm1<mode>2): Similarly, with expm1 expanders.
7254         (ldexp<mode>3): Similarly, with ldexp expanders.
7255         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7256         Use gen_truncxf<mode>2_i387_noop to truncate result.
7257
7258 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7259
7260         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7261         for ColdFire targets.
7262
7263 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7264             Richard Sandiford  <richard@codesourcery.com>
7265
7266         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7267         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7268         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7269         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7270         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7271         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7272
7273 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7274
7275         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7276         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7277         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7278         (*adddi_dilshr32_cf): New pattern.
7279         (adddi3, subdi3): Remove first alternatives.
7280
7281 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7282
7283         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7284         implemented using move.l, do not use its cc result for floating-point
7285         comparisons.
7286
7287 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7288
7289         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7290         from accepting 's' constraints if flag_pic.
7291
7292 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7293
7294         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7295         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7296         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7297         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7298
7299 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7300
7301         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7302         ColdFire alternatives.
7303         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7304         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7305         architectures that support ff1 instruction.
7306
7307 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7308             Julian Brown  <julian@codesourcery.com>
7309
7310         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7311         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7312         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7313         Add commentary.
7314
7315 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7316
7317         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7318         and return a bool.
7319         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7320         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7321         HOST_WIDE_INT instead of an rtx.
7322         (m68k_rtx_costs): Update call accordingly.
7323         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7324         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7325         Return a bool.
7326         (output_move_simode_const): Update calls after above changes.
7327         Rework to use automatic variables and predicates like MEM_P.
7328         * config/m68k/m68k.md (pushexthisi_const): Update call to
7329         valid_mov3q_const.
7330
7331 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7332
7333         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7334         in dump_flags test.
7335
7336 2007-01-19  Richard Guenther  <rguenther@suse.de>
7337
7338         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7339         via cexp in case sincos is not available.
7340
7341 2007-01-19  Richard Guenther  <rguenther@suse.de>
7342
7343         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7344         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7345         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7346         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7347         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7348         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7349         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7350         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7351
7352 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7353
7354         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7355         New insn patterns.
7356         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7357         (atan2xf3): Directly generate RTL pattern.
7358         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7359         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7360         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7361         disable patterns for SSE math.
7362         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7363         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7364         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7365         disable patterns for SSE math.
7366
7367 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7368
7369         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7370
7371 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7372
7373         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7374         VIEW_CONVERT_EXPR to the same type as it's operand.
7375
7376 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7377
7378         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7379         configured for long double 128.
7380
7381 2007-01-18  Mike Stump  <mrs@apple.com>
7382
7383         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7384         error.
7385
7386 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7387
7388         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7389         type correct.
7390
7391 2007-01-18  Jan Hubicka  <jh@suse.cz>
7392
7393         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7394         greater than NUM_VOP_FREE_BUCKETS.
7395
7396 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7397
7398         * tree-ssa-structalias.c: Update comments.
7399         (ptabitmap_obstack): Removed.
7400         (pta_obstack): New.
7401         (oldpta_obstack): Ditto.
7402         (stats): Add a few members.
7403         (struct variable_info): Remove node, complex, address_taken, and
7404         indirect_target members. Add oldsolution member.
7405         (new_var_info): Do not initialize removed members.
7406         (constraint_expr_type): Remove INCLUDES.
7407         (constraint_graph): Add size, implicit_preds, rep,
7408         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7409         (FIRST_REF_NODE): New macro.
7410         (LAST_REF_NODE): Ditto.
7411         (FIRST_ADDR_NODE): Ditto.
7412         (find): New function.
7413         (unite): Ditto.
7414         (dump_constraint): Do not handle INCLUDES.
7415         (insert_into_complex): Do not insert duplicate constraints.
7416         (condense_varmap_nodes): Renamed and rewritten into ...
7417         (merge_node_constraints): This. Also fix bug in handling of
7418         offseted copy constraints.
7419         (clear_edges_for_node): No longer need to deal with preds at all,
7420         or removing associated preds/succs.
7421         (merge_graph_nodes): Deal with indirect_cycles.
7422         Don't deal with predecessors.
7423         (add_implicit_graph_edge): New function.
7424         (add_pred_graph_edge): Ditto.
7425         (add_graph_edge): Don't deal with predecessors.
7426         (build_constraint_graph): Removed.
7427         (build_pred_graph): New function.
7428         (build_succ_graph): Ditto.
7429         (struct scc_info): Removed in_component. Added roots, dfs, and
7430         node_mapping. Remove visited_index, unification_queue.
7431         (scc_visit): Deal with union-find we do now.
7432         Deal with cycles with REF nodes.
7433         (collapse_nodes): Renamed and rewritten to ...
7434         (unify_nodes): This.
7435         (process_unification_queue): Removed.
7436         (topo_visit): Cleanup
7437         (do_da_constraint): Use find.
7438         (do_sd_constraint): Ditto.
7439         (do_ds_constraint): Ditto.
7440         (do_complex_constraint): Ditto.
7441         (init_scc_info): Update for removed and added members.
7442         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7443         (find_indirect_cycles): This.
7444         (equivalence_class): New variable.
7445         (label_visit): New function.
7446         (perform_variable_substitution): Rewritten.
7447         (free_var_substitution_info): New function.
7448         (find_equivalent_node): Ditto.
7449         (move_complex_constraints): Ditto.
7450         (eliminate_indirect_cycles): Ditto.
7451         (solve_graph): Only propagate changed bits.
7452         Use indirect cycle elimination.
7453         Use find.
7454         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7455         (tree_id_eq): Renamed to ...
7456         (tree_vi_eq): This. Update for member change
7457         (insert_id_for_tree): Renamed and rewritten to ...
7458         (insert_vi_for_tree): This.
7459         (lookup_id_for_tree): Renamed and rewritten to ...
7460         (lookup_vi_for_tree): This.
7461         (get_id_for_tree): Renamed and rewritten to ...
7462         (get_vi_for_tree): Ditto.
7463         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7464         (process_constraint): Don't handle INCLUDES.
7465         Remove special ADDRESSOF case.
7466         (find_func_aliases): Rewrite to use vi functions instead of id
7467         ones.
7468         (create_function_info_for): Ditto.
7469         (create_variable_info_for): Ditto.
7470         (intra_create_variable_infos): Ditto.
7471         (merge_smts_into): Ditto.
7472         (find_what_p_points_to): Ditto.
7473         (init_base_vars): Ditto.
7474         (init_alias_vars): Ditto.
7475         (remove_preds_and_fake_succs): New function.
7476         (dump_sa_points_to_info): Dump new stats.
7477         (dump_solution_for_var): Use find.
7478         (set_used_smts): Fix formatting.
7479         (compute_points_to_sets): Updated for new functions.
7480         (ipa_pta_execute): Ditto.
7481
7482 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7483             Richard Sandiford  <richard@codesourcery.com>
7484
7485         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7486         parallels.
7487         * calls.c (expand_call): If the return value is a PARALLEL,
7488         extract its first member.
7489         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7490         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7491         use FUNCTION_EXTRA_EPILOGUE.
7492         (m68k_function_value): Return a PARALLEL if the return value
7493         is of a pointer type.
7494         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7495         (FUNCTION_EXTRA_EPILOGUE): Remove.
7496         * config/m68k/m68k.md (D0_REG): New constant.
7497
7498 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7499
7500         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7501         output a NOP for empty epilogues.
7502
7503 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7504
7505         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7506         before function.  Extend register save check to include all
7507         registers, not just integer ones.
7508
7509 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7510
7511         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7512         (m68k_use_return_insn): ...this.
7513         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7514         * config/m68k/m68k.c (use_return_insn): Rename to...
7515         (m68k_use_return_insn): ...this.
7516         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7517         of USE_RETURN_INSN.
7518
7519 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7520
7521         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7522         nearest even, fix denormal rounding overflow.
7523
7524 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7525
7526         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7527         f%$smove and f%$move.
7528         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7529         (extendsfdf2_cf): Use fdmove instead of f%&move.
7530         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7531         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7532
7533 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7534
7535         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7536         GPR<-GPR moves.
7537
7538 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7539
7540         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7541         (coldfire_single_format): Declare.
7542         (coldfire_double_format): Likewise.
7543         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7544         of qnan_msb_set to determine the lower bits of a canonical
7545         NaN significand.
7546         (encode_ieee_double): Likewise.
7547         (encode_ieee_quad): Likewise.
7548         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7549         (mips_single_format): Likewise.
7550         (ieee_double_format): Likewise.
7551         (mips_double_format): Likewise.
7552         (ieee_extended_motorola_format): Likewise.
7553         (ieee_extended_intel_96_format): Likewise.
7554         (ieee_extended_intel_128_format): Likewise.
7555         (ieee_extended_intel_96_round_53_format): Likewise.
7556         (ibm_extended_format): Likewise.
7557         (mips_extended_format): Likewise.
7558         (ieee_quad_format): Likewise.
7559         (mips_quad_format): Likewise.
7560         (vax_f_format): Likewise.
7561         (vax_d_format): Likewise.
7562         (vax_g_format): Likewise.
7563         (i370_single_format): Likewise.
7564         (i370_double_format): Likewise.
7565         (decimal_single_format): Likewise.
7566         (decimal_double_format): Likewise.
7567         (decimal_quad_format): Likewise.
7568         (c4x_single_format): Likewise.
7569         (c4x_extended_format): Likewise.
7570         (real_internal_format): Likewise.
7571         (coldfire_single_format): New real_format.
7572         (coldfire_double_format): Likewise.
7573         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7574         canonical_nan_lsbs_set.
7575         (pdp11_d_format): Likewise.
7576         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7577         if TARGET_COLDFIRE_CPU.
7578
7579 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7580
7581         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7582         (output_call, m68k_legitimize_call_address): Declare.
7583         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7584         parenthesees.  Add support for a 'W' constraint.
7585         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7586         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7587         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7588         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7589         variables.
7590         (override_options): Initialize them.  Do not set flag_no_function_cse
7591         for TARGET_ID_SHARED_LIBRARY.
7592         (m68k_output_pic_call): Delete.
7593         (m68k_legitimize_call_address): New function.
7594         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7595         (output_call): New function.
7596         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7597         target address from the GOT if symbolic jumps are not allowed.
7598         * config/m68k/m68k.md (call, general_operand): Do not set
7599         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7600         Merge separate flag_pic and !flag_pic define_insns into...
7601         (*call, *call_value): ...these new patterns.  Match the address
7602         rather than the containing MEM and require it to be a call_operand.
7603         Use output_call to generate the asm template.
7604         * config/m68k/predicates.md (const_call_operand): New predicate.
7605         (call_operand): Likewise.
7606
7607 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7608
7609         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7610         (STACK_GROWS_DOWNWARD): Define to 1.
7611         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7612         comments, emphasizing that these values are only defaults.
7613         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7614         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7615
7616 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7617
7618         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7619
7620 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7621             Richard Sandiford  <richard@codesourcery.com>
7622
7623         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7624         (FP_REGNO_P): New macros.
7625         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7626         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7627         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7628         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7629
7630 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7631
7632         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7633         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7634         to $tmake_file.
7635         * config/m68k/t-floatlib: New file, extracting common code from...
7636         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7637         * config/m68k/t-uclinux: Here.
7638         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7639         routines on ColdFire targets.
7640
7641 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7642
7643         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7644         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7645         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7646         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7647         explicitly set MOTOROLA to 1.
7648         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7649
7650 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7651             Nathan Sidwell  <nathan@codesourcery.com>
7652
7653         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7654         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7655         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7656         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7657         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7658         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7659         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7660         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7661         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7662         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7663         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7664         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7665         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7666         (DBX_REGISTER_NUMBER): Delete.
7667         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7668         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7669         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7670
7671 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7672
7673         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7674         * config/flat.h: New file.
7675         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7676         OBJECT_FORMAT_FLAT.
7677         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7678         indirect references for -msep-data or -mid-shared-library.
7679         Do not use PC-relative code addresses either.
7680         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7681         to -mpcrel.
7682         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7683         for shared libraries and crt1.o for executables.  Use crti.o and
7684         crtbegin.o.
7685         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7686         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7687         Do not add -elf2flt or -shared-lib-id options here.
7688         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7689         Pass -shared-lib-id if -mid-shared-library, taking the library
7690         identifier from -mshared-library-id if given, otherwise
7691         defaulting to 0.
7692         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7693         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7694         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7695         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7696         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7697         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7698         and crtend.o.
7699         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7700         jump sequence for ISA A and ISA A+.
7701         (PICJUMP): Likewise.
7702
7703 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7704
7705         * config.gcc (m68k-*-uclinux*): Base the port on the common
7706         and m68k GNU/Linux files rather than on the generic ELF ones.
7707         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7708         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7709
7710 2007-01-18  Julian Brown  <julian@codesourcery.com>
7711             Richard Sandiford  <richard@codesourcery.com>
7712
7713         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7714         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7715         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7716         before redefining.
7717         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7718         80 unconditionally.
7719         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7720
7721 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7722
7723         * doc/install.texi: Document m68k-uclinuxoldabi.
7724         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7725         * config/m68k/uclinux-oldabi.h: New file, copied from
7726         config/m68k/uclinux.h.
7727
7728 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7729
7730         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7731         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7732         (m32r_compute_frame_size): Use unsigned for regno.
7733         (m32r_reload_lr): Use gen_frame_mem.
7734         (pop): New.
7735         (m32r_output_function_epilogue): Don't output the function epilogue
7736         textually here.
7737         (m32r_expand_epilogue): New.
7738         (direct_return): Return false if the function has the interrupt
7739         attribute.
7740         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7741         * config/m32r/m32r.md (epilogue): New expander.
7742         (return_lr, return_rte): New insns.
7743         (return): Make it expander.
7744         (return_normal): New expander.
7745
7746 2007-01-18  Josh Conner  <jconner@apple.com>
7747
7748         PR target/30485
7749         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7750         support for UNLE, UNLT, UNGE, and UNGT.
7751
7752 2007-01-18  Jan Hubicka  <jh@suse.cz>
7753
7754         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7755         * tree-tailcall (add_virtual_phis): Likewise.
7756         (optimize_tail_call): Return TODOs.
7757         (execute_tail_calls): Return TODOs.
7758         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7759         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7760         changed.
7761         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7762         Cleanup cfg using TODO.
7763         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7764         * passes.c (execute_function_todo): When cleanup did something, remove
7765         unused locals.
7766         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7767         (make_edges): Don't cleanup_cfg.
7768
7769 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7770
7771         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7772         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7773         operate on the top of stack.
7774         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7775         register handling of instructions that output to the second
7776         stack slot.
7777         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7778         (move_for_stack_reg): Special-case check for dead destination
7779         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7780
7781         * config/i386/i386.md (UNSPEC_TAN): New constant.
7782         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7783         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7784         to correctly model move of constant 1.0 to top stack slot.
7785         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7786         (unnamed peephole2 pattern): Remove corresponding peephole2
7787         pattern that optimizes tan insn and loading of constant 1.0.
7788         (tanxf2): Use fptanxf4_i387.
7789         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7790         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7791         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7792         disable patterns for SSE math.
7793         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7794         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7795
7796 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7797             Richard Guenther <rguenther@suse.de>
7798
7799         PR diagnostic/8268
7800         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7801         * common.opt (Warray-bounds): Add new warning option.
7802         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7803         if -Wall is given.
7804         * Makefile.in: make tree-vrp.o depend on toplev.h
7805         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7806         is enabled.
7807         (check_array_refs, check_array_bounds, check_array_ref): New.
7808
7809 2007-01-18  Jan Hubicka  <jh@suse.cz>
7810
7811         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7812         (execute_ssa_ccp): Return flags conditionally.
7813         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7814         changed.
7815         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7816
7817 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7818
7819         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7820         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7821
7822         * Makefile.c (GTFILES): Add cfglayout.h.
7823         * gengtype.c (open_base_files): Likewise.
7824         * cfglayout.c (cfg_layout_function_footer,
7825         cfg_layout_function_header) Reindent to make gengtype happy.
7826         * cfglayout.h (cfg_layout_function_footer,
7827         cfg_layout_function_header): Add GTY(()) marker.
7828
7829         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7830
7831 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7832
7833         * genautomata.c (write_automata): Include xstrerror output in the
7834         error message if writing the DFA description file fails.
7835
7836 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7837
7838         * config/mips/mips-protos.h (mips_output_external): Make it
7839         return void.
7840         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7841         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7842         (extern_list): Likewise.
7843         (extern_head): Likewise.
7844         (TARGET_ASM_FILE_END): Likewise.
7845         (mips_file_end): Likewise.
7846         (mips_output_external): Rewritten.
7847
7848 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7849
7850         * genpreds.c (write_insn_preds_c): Only write out the function
7851         body for regclass_for_constraint if we have register constraints.
7852
7853 2007-01-17  Tom Tromey  <tromey@redhat.com>
7854
7855         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7856         * doc/install.texi (Testing): Use sourceware.org.
7857         (Binaries): Likewise.
7858         (Specific): Likewise.
7859         * doc/contrib.texi (Contributors): Use sourceware.org.
7860
7861 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7862
7863         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7864         (AVR_ENHANCED): Rename to ...
7865         (AVR_HAVE_MUL): ... new.
7866         (avr_enhanced_p): Rename to ...
7867         (avr_have_mul_p): ... new.
7868         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7869         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7870         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7871         (avr_have_mul_p): ... new.
7872         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7873         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7874         'avr_enhanced_p' and 'enhanced'.
7875         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7876         AVR_HAVE_MUL instead of AVR_ENHANCED.
7877         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7878         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7879         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7880         instead of AVR_ENHANCED.
7881         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7882         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7883         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7884
7885 2007-01-17  Ian Lance Taylor  <iant@google.com>
7886
7887         * vec.h (VEC_reserve_exact): Define.
7888         (vec_gc_p_reserve_exact): Declare.
7889         (vec_gc_o_reserve_exact): Declare.
7890         (vec_heap_p_reserve_exact): Declare.
7891         (vec_heap_o_reserve_exact): Declare.
7892         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7893         versions.
7894         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7895         negative parameter.
7896         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7897         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7898         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7899         * vec.c (calculate_allocation): Add exact parameter.  Change all
7900         callers.
7901         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7902         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7903         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7904         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7905         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7906         (vec_heap_p_reserve_exact): New function.
7907         (vec_heap_o_reserve_exact): New function.
7908
7909 2007-01-17  Jan Hubicka  <jh@suse.cz>
7910
7911         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7912
7913 2007-01-17  Eric Christopher  <echristo@apple.com>
7914
7915         * config.gcc: Support core2 processor.
7916
7917 2007-01-16  Jan Hubicka  <jh@suse.cz>
7918
7919         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7920         the names, just unlink the chain so we don't crash on dangling pointers
7921         to dead SSA names.
7922
7923 2007-01-16  Jan Hubicka  <jh@suse.cz>
7924
7925         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7926         * tree-pass.h: Reorder to make IPA passes appear toegher.
7927         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7928         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7929         parameters, do not call early inliner.
7930         * ipa-inline.c: Update comments.  Include tree-flow.h
7931         (cgraph_decide_inlining): Do not compute inlining parameters.
7932         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7933         be called with function context set up.
7934         (pass_ipa_inline): Remove unreachable functions before pass.
7935         (cgraph_early_inlining): Simplify assuming to be called from the
7936         PM as local pass.
7937         (pass_early_inline): New pass.
7938         (cgraph_gate_ipa_early_inlining): New gate.
7939         (pass_ipa_early_inline): Turn into simple wrapper.
7940         (compute_inline_parameters): New function.
7941         (gate_inline_passes): New gate.
7942         (pass_inline_parameters): New pass.
7943         (apply_inline): Move here from tree-optimize.c
7944         (pass_apply_inline): New pass.
7945         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7946         transforming.
7947         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7948         doing them by hand.
7949         (tree_function_versioning): Do not allocate dummy struct function.
7950         * tree-inline.h (optimize_inline_calls): Update prototype.
7951         * tree-optimize.c (execute_fixup_cfg): Export.
7952         (pass_fixup_cfg): Remove
7953         (tree_rest_of_compilation): Do not apply inlines.
7954         * tree-flow.h (execute_fixup_cfg): Declare.
7955         * Makefile.in (gt-passes.c): New.
7956         * passes.c: Include gt-passes.h
7957         (init_optimization_passes): New passes.
7958         (nnodes, order): New static vars.
7959         (do_per_function_toporder): New function.
7960         (execute_one_pass): Dump current pass here.
7961         (execute_ipa_pass_list): Don't dump current pass here.
7962
7963 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7964
7965         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7966         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7967
7968 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7969
7970         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7971         (strong_alias): Define.
7972         (__gcc_qmul): Provide non-FMA for soft-float.
7973         (__gcc_qdiv): Same.
7974         (__gcc_qneg): New.
7975         (__gcc_qeq): New.
7976         (__gcc_qle): New.
7977         (__gcc_qge): New.
7978         (__gcc_qunord): New.
7979         (__gcc_stoq): New.
7980         (__gcc_dtoq): New.
7981         (__gcc_qtos): New.
7982         (__gcc_qtod): New.
7983         (__gcc_qtoi): New.
7984         (__gcc_qtou): New.
7985         (__gcc_itoq): New.
7986         (__gcc_utoq): New.
7987         (fmsub): New.
7988         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7989         soft-float functions.
7990         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7991         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7992         about long double soft float.
7993
7994 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
7995             Tehila Meyzels  <tehila@il.ibm.com>
7996
7997         * tree-vectorizer.h (is_pattern_stmt_p): New.
7998         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7999         formatting (tabs instead of spaces). Cleanup and clarify setting
8000         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8001         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8002         (vectorizable_type_demotion): Check that types are integral.
8003         (vectorizable_type_promotion): Likewise.
8004         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8005         comments.
8006
8007 2007-01-16  Jan Hubicka  <jh@suse.cz>
8008
8009         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8010         cgraph edges too.
8011
8012 2007-01-15  Eric Christopher  <echristo@apple.com>
8013
8014         * ifcvt.c: Include vec.h, vecprim.h.
8015         (check_cond_move_block): New argument regs.
8016         Reorganize. Add registers used to regs.
8017         (cond_move_process_if_block): Use regs set above as
8018         loop bounds.
8019
8020 2007-01-15  Eric Christopher  <echristo@apple.com>
8021
8022         * config/darwin.h: Update copyright.
8023         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8024         (LINK_COMMAND_SPEC): Add -u.
8025         (LINK_SPEC): Fix umbrella for above.
8026
8027 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8028
8029         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8030         glibc CVS.
8031
8032 2007-01-15  Tom Tromey  <tromey@redhat.com>
8033
8034         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8035         * doc/install.texi (Testing): Don't mention jacks.
8036         (Configuration): Document --enable-java-maintainer-mode.  Move
8037         --with-java-home to libgcj-specific section.  Document
8038         --with-ecj-jar.
8039         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8040
8041 2007-01-15  Jan Hubicka  <jh@suse.cz>
8042
8043         * tree-ssa-dce.c (DCE_TODOs): New.
8044         (propagate_necessity): Return if something changed.
8045         (eliminate_unnecessary_stmts): Likewise.
8046         (perform_tree_ssa_dce): Return TODO flags when needed.
8047         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8048
8049 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8050
8051         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8052         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8053         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8054         patterns using X87MODEF12 mode macro.  Extend operand 1
8055         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8056         (log10<mode>2): Ditto.
8057         (log2<mode>2): Ditto.
8058         (log1p<mode>2): Ditto.
8059         (logb<mode>2): Ditto.
8060         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8061         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8062         (*fxtractxf3_i387): Rename from *fxtractxf3.
8063         (fxtract_extend<mode>xf3_i387): New insn pattern.
8064         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8065         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8066         and gen_fyl2xxf3_i387().
8067
8068 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8069
8070         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8071         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8072         get_loop_exit_edges.  Changed return type to bool.
8073         * cfgloop.h (fix_loop_placement): Declaration removed.
8074
8075 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8076
8077         * param.h (MIN_VECT_LOOP_BOUND): New.
8078         * params.def (MIN_VECT_LOOP_BOUND): New.
8079         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8080         argument - minimum threshold for number of iterations.
8081         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8082         argument to declaration.
8083         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8084         MIN_VECT_LOOP_BOUND.
8085         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8086         slpeel_tree_peel_loop_to_edge with additional argument.
8087         (vect_do_peeling_for_alignment): Likewise.
8088         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8089
8090 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8091
8092         PR target/30413
8093         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8094         operands of size 1.
8095
8096 2007-01-14  Jan Hubicka  <jh@suse.cz>
8097
8098         * tree-dfa.c (remove_referenced_var): New function.
8099         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8100         prune referenced vars list too.
8101         * tree-flow.h (remove_referenced_var): Declare.
8102
8103 2007-01-14  Jan Hubicka  <jh@suse.cz>
8104
8105         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8106         separately.
8107         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8108         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8109         * except.h (verify_eh_throw_table_statements): Kill prototype.
8110         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8111         into call exrepssions.
8112         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8113         eh trhow verifier.
8114         * tree-cfg.c: Include pointer-set.h.
8115         (verify_node_sharing): Work on pointer set.
8116         (verify_eh_throw_stmt_node): New.
8117         (verify_stmts): Use pointers sets, verify throw_stmt.
8118
8119 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8120
8121         * ipa-reference.c (analyze_function): Consider also addresses taken
8122         in phi nodes.
8123
8124 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8125
8126         * c-typeck.c (null_pointer_constant_p): Replace use of
8127         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8128         (build_c_cast): Likewise.
8129
8130 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8131
8132         * tree.h (force_fit_type_double): Remove unused final argument.
8133         * c-common.c (constant_expression_warning): Replace use of
8134         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8135         (convert_and_check): Likewise.
8136         (shorten_compare): Update call to force_fit_type_double.
8137         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8138         * convert.c (convert_to_pointer): Update call to
8139         force_fit_type_double.
8140         * fold-const.c (force_fit_type_double): Remove overflowed_const
8141         argument.
8142         (int_const_binop, fold_convert_const_int_from_int,
8143         fold_convert_const_int_from_real, fold_div_compare,
8144         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8145         fold_abs_const, fold_not_const): Remove the final argument from
8146         calls to force_fit_type_double.
8147
8148 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8149
8150         * configure.ac: Set insn to "nop" for spu-*-* also.
8151         * configure: Regenerate.
8152
8153 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8154
8155         * builtins.def : Add BUILT_IN_FREE.
8156
8157 2007-01-12  Jan Hubicka  <jh@suse.cz>
8158
8159         PR tree-optimization/30443
8160         * tree-inline.c (tree_function_versioning): Do not optimize when
8161         cloning for inlining.
8162
8163 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8164
8165         * doc/loop.texi: Document recording of loop exits.
8166         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8167         (update_single_exits_after_duplication,
8168         update_single_exit_for_duplicated_loop,
8169         update_single_exit_for_duplicated_loops): Removed.
8170         (duplicate_loop_to_header_edge): Do not call
8171         update_single_exits_after_duplication and
8172         update_single_exit_for_duplicated_loops.
8173         (loop_version): Do not update single_exit information.
8174         (fix_loop_structure): Use record_loop_exits instead of
8175         mark_single_exit_loops.
8176         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8177         the lists of loop exits.
8178         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8179         split_edge, merge_blocks): Update the lists of loop exits.
8180         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8181         loop_optimizer_init.
8182         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8183         of mark_single_exit_loops.
8184         (loop_optimizer_finalize): Call release_recorded_exits.
8185         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8186         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8187         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8188         update single exit information.
8189         * lambda-code.c (perfect_nestify): Ditto.
8190         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8191         (mark_single_exit_loops): Removed.
8192         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8193         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8194         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8195         functions.
8196         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8197         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8198         (verify_loop_structure): Verify consistency of the exit lists.
8199         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8200         (set_single_exit): Removed.
8201         * cfgloop.h (struct loop_exit): New function.
8202         (struct loop): single_exit_ field replaced by exits field.
8203         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8204         (struct loops): Added exits hash.
8205         (mark_single_exit_loops, set_single_exit): Declaration removed.
8206         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8207
8208 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8209
8210         * doc/invoke.texi: Avoid use of @headitem.
8211
8212 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8213
8214         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8215
8216 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8217
8218         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8219         list of targets.
8220
8221 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8222             Richard Sandiford  <richard@codesourcery.com>
8223
8224         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8225         * config/m68k/m68k.opt: Resort options.
8226         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8227
8228 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8229             Richard Sandiford  <richard@codesourcery.com>
8230
8231         * doc/invoke.texi: Document the macros that are defined by
8232         m68k's -mtune and -mhard-float options.
8233         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8234         (m68k_cpp_cpu_family): Likewise.
8235         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8236         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8237         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8238         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8239         (m68k_cpp_cpu_family): Likewise.
8240
8241 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8242
8243         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8244         macros besides mc68000 as tuning macros.  Use a switch statement
8245         to set them and mcpu32.
8246
8247 2007-01-12  Julian Brown  <julian@codesourcery.com>
8248
8249         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8250         (TARGET_68040_ONLY): Rename to...
8251         (TARGET_68040): ...this.
8252         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8253         * config/m68k/m68k.md: Likewise.
8254
8255 2007-01-12  Julian Brown  <julian@codesourcery.com>
8256             Nathan Sidwell  <nathan@codesourcery.com>
8257             Richard Sandiford  <richard@codesourcery.com>
8258
8259         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8260         the -mcpu= argument associated with the --with-cpu setting.
8261         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8262         if different from the one implied by the -mcpu setting.
8263         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8264         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8265         * doc/invoke.texi: Mention ColdFire in the introduction to the
8266         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8267         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8268         -mhard-float.  Document the previously-undocumented -m5206e,
8269         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8270         documentation for consistency.
8271         * doc/install.texi: Mention new --with-cpu arguments.
8272         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8273         default CPU if neither -mcpu nor -march are specified.
8274         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8275         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8276         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8277         using m68k_tune to decide between families that implement the
8278         same ISA.  Use m68k_tune to set __mcfv4e__.
8279         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8280         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8281         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8282         (FL_ISA_C, FL_ISA_MMU): New macros.
8283         (MASK_COLDFIRE): Delete.
8284         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8285         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8286         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8287         (TARGET_HARD_FLOAT): Do not define here.
8288         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8289         (TUNE_68000): New macro.
8290         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8291         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8292         (TUNE_CFV2): Redefine in terms of m68k_tune.
8293         (uarch_type, target_device, fpu_type): New enums.
8294         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8295         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8296         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8297         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8298         (FL_FOR_isa_c): New macros.
8299         (m68k_isa): New enum.
8300         (m68k_target_selection): New structure.
8301         (all_devices, all_isas, all_microarchs): New tables.
8302         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8303         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8304         (MASK_ALL_CPU_BITS): Delete.
8305         (m68k_find_selection): New function.
8306         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8307         Map the legacy target options to a combination of the new ones.
8308         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8309         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8310         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8311         settings.
8312         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8313         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8314         properties.
8315         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8316         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8317         * config/m68k/m68k-devices.def: New file.
8318
8319 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8320             Nathan Sidwell  <nathan@codesourcery.com>
8321
8322         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8323         (SUBTARGET_EXTRA_SPECS): New macros.
8324         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8325         use %(asm_cpu_spec) instead.
8326         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8327         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8328         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8329         (EXTRA_SPECS): Rename to...
8330         (SUBTARGET_EXTRA_SPECS): ...this.
8331
8332 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8333             Richard Sandiford  <richard@codesourcery.com>
8334             Julian Brown  <julian@codesourcery.com>
8335
8336         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8337         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8338         to the configuration's default CPU.
8339         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8340         Remove default masks.
8341         (m680[012]0-*-*): Set the default with_cpu to the first part of
8342         the target name.
8343         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8344         (m68k*-*-linux): Extend the --with-cpu handling to...
8345         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8346         and m68010.  Don't set target_cpu_default2.
8347         * doc/install.texi: Document --with-cpu for m68k.
8348         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8349         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8350         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8351         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8352         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8353         (ASM_SPEC): Remove use of %(asm_cpu_default).
8354         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8355         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8356         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8357         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8358         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8359         (TARGET_DEFAULT): Delete.
8360         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8361         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8362         (CPP_CPU_SPEC): Delete.
8363         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8364         the appropriate string.
8365         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8366         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8367         (ASM_SPEC): Don't use %(asm_default_spec).
8368         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8369         TARGET_DEFAULT and add MASK_68881.
8370         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8371
8372 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8373
8374         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8375         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8376         MASK_68010 alongside MASK_68020.
8377         * doc/invoke.texi: Document -m68010.
8378         * config/m68k/m68k.opt (m68010): New.
8379         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8380         if TUNE_68010.
8381         (TUNE_68010): New macro.
8382         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8383         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8384         (M68K_CPU_m68332): Add MASK_68010.
8385         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8386         fallback definition.
8387         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8388         defines.
8389         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8390         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8391         to all entries that use MASK_68020.
8392         (output_move_simode_const, output_move_himode, output_move_qimode)
8393         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8394         instead of TARGET_68020 to select clr behavior.  Remove comment
8395         about there being no TARGET_68010.
8396         * config/m68k/m68k.md: Likewise throughout.
8397
8398 2007-01-12  Julian Brown  <julian@codesourcery.com>
8399
8400         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8401         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8402         * config/m68k/m68k.md: Likewise.
8403
8404 2007-01-12  Julian Brown  <julian@codesourcery.com>
8405
8406         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8407         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8408
8409 2007-01-12  Julian Brown  <julian@codesourcery.com>
8410
8411         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8412         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8413         * config/m68k/m68k.md: Likewise.
8414
8415 2007-01-12  Julian Brown  <julian@codesourcery.com>
8416             Richard Sandiford  <richard@codesourcery.com>
8417
8418         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8419         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8420         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8421         TARGET_CPU32.
8422         (TARGET_CPU32): Rename to...
8423         (TUNE_CPU32): ...this.
8424         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8425         (TUNE_CFV2): New macros.
8426         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8427         remove conditions that are implied by TARGET_68020.
8428         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8429         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8430         (m68k_output_function_epilogue): Likewise.
8431         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8432         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8433         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8434         non-68000 timings.  Refactor multiplication and division costs.
8435         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8436         TUNE_CPU32 instead of TARGET_CPU32.
8437         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8438         and TUNE_68060 instead of TARGET_68060.
8439         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8440         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8441         TARGET_CPU32.
8442         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8443         && !TARGET_COLDFIRE" to choose between moveq and clr.
8444         Likewise in the unnamed movsf pattern.
8445         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8446         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8447         ashiftrt pattern.
8448
8449 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8450
8451         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8452         of tabbing before backslashes.
8453
8454 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8455
8456         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8457         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8458         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8459
8460 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8461
8462         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8463         find_interesting_uses_cond.
8464         (find_interesting_uses_cond): Use extract_cond_operands.
8465         (rewrite_use_compare): Use extract_cond_operands and
8466         force_gimple_operand_bsi.  Do not call update_stmt.
8467         (determine_use_iv_cost_condition): Use extract_cond_operands.
8468         Return cheaper of using original bound and changing the exit bound.
8469
8470 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8471
8472         PR tree-optimization/29516
8473         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8474         most_expensive_mult_to_index, addr_to_parts,
8475         create_mem_ref, maybe_fold_tmr): Make the type of
8476         fields of TARGET_MEM_REF sizetype.
8477         (move_fixed_address_to_symbol, move_pointer_to_base):
8478         New functions.
8479         * tree.def (TARGET_MEM_REF): Add comment on types of
8480         the operands.
8481
8482 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8483
8484         * c-common.c (vector_types_convertible_p): Treat opaque types as
8485         always convertible if they have the same size, but not otherwise.
8486
8487 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8488
8489         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8490         Remove the b_unconditional field.
8491         (noce_try_sign_mask): Do not look at b_unconditional.
8492         (noce_process_if_block): Do not use merge_if_blocks.  Update
8493         the CFG here.  Do not set b_unconditional.
8494         (cond_move_process_if_block): Likewise.
8495         (find_cond_trap): Likewise.
8496         (check_cond_move_block): Require simple jump insns at the end
8497         of the basic block.
8498
8499 2007-01-11  Jan Hubicka  <jh@suse.cz>
8500
8501         PR tree-optimization/1046
8502         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8503         when alias info is not ready.
8504         (pass_tail_recursion): Do not require aliasing.
8505         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8506         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8507         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8508         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8509         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8510         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8511         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8512         before inlining.
8513         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8514         When aliasing is not build, mark statement as volatile.
8515
8516 2007-01-11  Tom Tromey  <tromey@redhat.com>
8517
8518         PR preprocessor/15185, PR preprocessor/20989:
8519         * doc/cppopts.texi <-MT>: Update description of algorithm for
8520         computing default target.
8521         <-M, -MD>: Reword "basename" text.
8522
8523 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8524
8525         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8526         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8527         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8528         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8529         fold_builtin_bswap, real_constp, fold_builtin_pow,
8530         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8531         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8532         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8533         * convert.c (convert_to_pointer): Likewise.
8534         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8535         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8536         const_binop, fold_convert_const_int_from_int,
8537         fold_convert_const_int_from_real,
8538         fold_convert_const_real_from_real, sign_bit_p,
8539         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8540         fold_sign_changed_comparison, fold_unary, fold_comparison,
8541         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8542         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8543         * print-tree.c (print_node_brief, print_node): Likewise.
8544         * stor-layout.c (place_field, layout_type): Likewise.
8545         * tree-chrec.c (keep_cast): Likewise.
8546         * tree.c (build_vector, build_real, build_real_from_int_cst,
8547         build_complex): Likewise.
8548
8549 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8550
8551         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8552         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8553
8554 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8555
8556         * configure.ac (strict1_warn): Rename to strict_warn.
8557         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8558         cc_set_by_configure, quoted_cc_set_by_configure,
8559         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8560         all_boot_languages, all_stagestuff): Remove.
8561         (target_list): Remove bootstrap targets.
8562         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8563         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8564         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8565         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8566         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8567         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8568         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8569         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8570         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8571         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8572         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8573         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8574         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8575         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8576         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8577         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8578         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8579         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8580         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8581         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8582         (mostlyclean): Adjust.
8583         (clean, distclean): Don't mention bootstrap stuff.
8584         * configure: Regenerate.
8585         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8586         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8587         treelang/config-lang.in (stagestuff): Remove.
8588         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8589         stageprofile, stagefeedback, stagestuff): Remove mention.
8590
8591 2007-01-11  Nick Clifton  <nickc@redhat.com>
8592
8593         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8594         Accept CONSTs.
8595         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8596         (mcore_arith_K_S_operand): Run the test for the S constraint not
8597         the test for the M constraint.
8598         (mcore_addsub_operand): Do not accept integer values that are
8599         larger than 32 bits.
8600         * config/mcore/mcore.md: Remove unused constraints from split.
8601         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8602         (addsi3): Likewise.
8603         (allocate_stack): Likewise.
8604         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8605         operands to 32 bits.
8606         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8607         INTVAL.
8608         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8609         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8610         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8611         mcore_output_bclri, mcore_output_andn, output_inline_const,
8612         mcore_output_move, mcore_output_movedouble): Likewise.
8613         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8614         (output_inline_const): Likewise.
8615         (output_inline_const): Fix format strings used in sprintf
8616         statements.
8617         * config/mcore/mcore-protos.h: Update prototypes for changed
8618         functions in mcore.c.
8619         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8620         HOST_WIDE_INT and not int.
8621         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8622         CONST_OK_FOR_N): Likewise.
8623         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8624         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8625         an INTVAL.
8626
8627 2007-01-10  Jan Hubicka  <jh@suse.cz>
8628
8629         * tree-vrp.c (remove_range_assertions): Release defs.
8630         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8631         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8632
8633 2007-01-10  Paul Brook  <paul@codesourcery.com>
8634
8635         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8636         * config/arm/arm.md (mulsi3subsi): New insn.
8637
8638 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8639
8640         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8641         (tree_transform_and_unroll_loop): New.
8642         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8643         Declare.
8644
8645 2007-01-10  Robert Kennedy <jimbob@google.com>
8646
8647         * fold-const.c (fold_comparison): Fold comparisons like (x *
8648         1000 < 0) to (x < 0).
8649
8650 2007-01-10  Ian Lance Taylor  <iant@google.com>
8651
8652         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8653         operands have the same priority.
8654
8655 2007-01-10  Tom Tromey  <tromey@redhat.com>
8656
8657         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8658         (fold_binary): Likewise.
8659         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8660         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8661         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8662         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8663         * langhooks.h (struct lang_hooks): Removed field
8664         'can_use_bit_fields_p'.
8665
8666 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8667
8668         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8669
8670 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8671
8672         * function.c (get_last_funcdef_no): New function.
8673         * function.h (get_last_funcdef_no): Declare.
8674         * tree-inline.c (initialize_cfun): Add initialization.
8675         (tree_function_versioning): Cleanup.
8676
8677 2007-01-10  Jan Hubicka  <jh@suse.cz>
8678
8679         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8680         PHIs.
8681
8682 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8683             Ben Elliston  <bje@au.ibm.com>
8684
8685         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8686         for SAVE_NONLOCAL and Pmode for any other save level.
8687         * spu-protos.h (spu_restore_stack_block): Declare.
8688         * spu.md (save_stack_block): Remove.
8689         (restore_stack_block): Call spu_restore_stack_block.
8690         * spu.c (spu_restore_stack_block): New function.
8691         (spu_expand_epilogue): Remove old comment.
8692
8693 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8694
8695         PR tree-optimization/30322
8696         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8697         (cand_value_at): Return the value as aff_tree.
8698         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8699         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8700         aff_combination_mult): New functions.
8701         (aff_combination_add): Use aff_combination_add_cst.
8702         (aff_combination_convert): Allow conversions to a wider type.
8703         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8704         * tree-affine.h (aff_combination_mult): Declare.
8705
8706 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8707
8708         * doc/tm.texi: Update documentation to reflect reality of exec
8709         and start file search behaviours. Update copyright year.
8710         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8711         header file directories.
8712
8713 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8714
8715         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8716         (*cosxf2): Rename to cosxf2_i387.
8717         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8718         using X87MODEF12 mode macro. Rename patterns to
8719         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8720         for SSE math.
8721         (*cosdf2, *cossf2): Ditto.
8722         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8723         to match extended input operands.
8724         (sincos<mode>3): New expander.
8725         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8726         insn patterns and corresponding splitters.
8727
8728 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8729
8730         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8731         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8732
8733 2007-01-09  Nicolas Pitre  <nico@cam.org>
8734
8735         PR target/30173
8736         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8737
8738 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8739
8740         * target.h (struct gcc_target): New field library_rtti_comdat.
8741         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8742         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8743         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8744         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8745
8746 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8747
8748         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8749
8750 2007-01-08  Richard Guenther  <rguenther@suse.de>
8751
8752         * tree.h (force_fit_type_double): Export.
8753         (force_fit_type): Remove.
8754         * fold-const.c (force_fit_type_double): New function.
8755         (force_fit_type): Remove.
8756         (int_const_binop): Use it.
8757         (fold_convert_const_int_from_int): Likewise.
8758         (fold_convert_const_int_from_real): Likewise.
8759         (fold_div_compare): Likewise.
8760         (fold_sign_changed_comparison): Likewise.
8761         (fold_unary): Likewise.
8762         (fold_negate_const): Likewise.
8763         (fold_abs_const): Likewise.
8764         (fold_not_const): Likewise.
8765         * c-common.c (shorten_compare): Use force_fit_type_double.
8766         * convert.c (convert_to_pointer): Likewise.
8767
8768 2007-01-08  Richard Guenther  <rguenther@suse.de>
8769
8770         * tree.h (build_int_cst_wide_type): Export.
8771         * tree.c (build_int_cst_wide_type): New function.
8772         (build_int_cst_wide): Fix comment.
8773         * builtins.c (fold_builtin_object_size): Use build_int_cst
8774         to build -1 or 0 of the correct type.  Use fit_double_type
8775         to check for overflow.
8776         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8777         to build the mask.
8778         (decode_field_reference): Likewise.
8779         (all_ones_mask_p): Likewise.
8780         (native_interpret_int): Use build_int_cst_wide_type.
8781         (fold_binary): Use build_int_cst_type to build an all-ones
8782         value.
8783         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8784
8785 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8786
8787         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8788
8789 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8790
8791         * genautomata.c (STATS_OPTION): New option.
8792         (stats_flag): New flag.
8793         (gen_automata_option): Handle it.
8794         (initiate_automaton_gen): Ditto.
8795         (write_automata): Output statistics only if stats_flag is
8796         set. Likewise, output time statistics only if time_flag is set.
8797         * doc/md.texi (Processor pipeline description): Document new flag.
8798
8799 2007-01-08  Richard Guenther  <rguenther@suse.de>
8800
8801         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8802         * tree.c (build_int_cst_type): Likewise.
8803         (size_in_bytes): Don't call force_fit_type on the result.
8804         (int_fits_type_p): Use fit_double_type.
8805         * fold-const.c (fit_double_type): New function.
8806         (force_fit_type): Use it.
8807         * tree.h (fit_double_type): Export.
8808
8809 2007-01-08  Jan Hubicka  <jh@suse.cz>
8810
8811         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8812         * ipa.c (function_and_variable_visibility): Fix return type.
8813
8814 2007-01-08  Richard Guenther  <rguenther@suse.de>
8815
8816         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8817         of offset to build the index.
8818         * tree-pretty-print.c (dump_generic_node): Don't build negated
8819         const just for printing.
8820         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8821         * builtins.c (fold_builtin_int_roundingfn): Check if result
8822         fits the type by using force_fit_type and comparing the result.
8823         * predict.c (predict_loops): Use compare_tree_int for comparison.
8824         * tree.c (build_int_cst): Fall back to integer_type_node for
8825         NULL_TREE type.
8826         (build_int_cst_wide): Assert type is non-null.
8827
8828 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8829
8830         * tree-vrp.c (extract_range_from_cond_expr): New.
8831         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8832         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8833         as expressions.
8834         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8835         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8836         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8837         used as expressions.
8838         * tree-object-size.c (cond_expr_object_size): New.
8839         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8840
8841 2007-01-08  Jan Hubicka  <jh@suse.cz>
8842
8843         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8844         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8845         statement.
8846
8847 2007-01-08  Richard Guenther  <rguenther@suse.de>
8848
8849         PR tree-optimization/23603
8850         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8851         (extract_range_from_binary): Fall back to truthvalue instead of
8852         varying for TRUTH_*_EXPR.
8853         (extract_range_from_comparison): Fall back to truthvalue instead of
8854         varying.
8855         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8856         if all visited PHI values were constant.
8857
8858 2007-01-08  Jan Hubicka  <jh@suse.cz>
8859
8860         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8861         (cgraph_analyze_function): break out from ...
8862         (cgraph_finalize_compilation_unit): ... here.
8863         (cgraph_expand_function): Remove forgoten commented out line.
8864         (cgraph_optimize): Analyze functions.
8865
8866 2007-01-08  Jan Hubicka  <jh@suse.cz>
8867
8868         * tree-pas.h (TODO_remove_function): New flag.
8869         (TODO_update*): Renumber.
8870         (pass_ipa_increase_alignment,
8871         pass_ipa_function_and_variable_visibility): New passes.
8872         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8873         (cgraph_function_and_variable_visibility): Move to ipa.c
8874         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8875         cgraph_increase_alignment.
8876         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8877         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8878         calling tree-inline.
8879         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8880         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8881         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8882         (gate_increase_alignment): New function.
8883         (pass_ipa_increase_alignment): New pass.
8884         * ipa.c: Inline tree-pass.h and timevar.h
8885         (function_and_variable_visibility): Move here from cgraphunit.c
8886         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8887         * passes.c (init_optimization_passes): Add the two new passes.
8888         (execute_todo): Handle cgraph_remove_functions.
8889
8890 2007-01-08  Nick Clifton  <nickc@redhat.com>
8891
8892         * config/frv/predicates.md (reg_or_0_operand): Accept
8893         CONST_DOUBLEs.
8894
8895 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8896
8897         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8898         * config.gcc: Add bfin*-rtems*.
8899
8900 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8901
8902         * c.opt: Add -flax-vector-conversions.
8903         * c-typeck.c (convert_for_assignment): Pass flag to
8904         vector_types_convertible_p to allow emission of note.
8905         (digest_init): Likewise.
8906         * c-opts.c: Handle -flax-vector-conversions.
8907         * c-common.c (flag_lax_vector_conversions): New.
8908         (vector_types_convertible_p): Unless -flax-vector conversions
8909         has been passed, disallow conversions between vectors with
8910         differing numbers of subparts and/or element types.  If such
8911         a conversion is disallowed, possibly emit a note on the first
8912         occasion only to inform the user of -flax-vector-conversions.
8913         The new last argument specifies this.
8914         * c-common.h (flag_lax_vector_conversions): New.
8915         (vector_types_convertible_p): Add extra argument.
8916         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8917         char_type_node for V*QI type vectors.
8918         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8919         Update to satisfy new typechecking rules.
8920         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8921         C and C++ variants.
8922         * doc/invoke.texi (C Dialect Options): Document
8923         -flax-vector-conversions.
8924
8925 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8926
8927         PR tree-optimization/29877
8928         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8929         a register variable on the RHS to not be replaceable.
8930
8931 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8932         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8933         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8934         const_simm15, const_pow2, const_npow2): Added.
8935         * config/score/misc.md (insv, extv, extzv, movmemsi,
8936         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8937         * config/score/score.c (score_address_cost, score_select_cc_mode):
8938         Added.
8939         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8940         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8941         Update score_print_operand.
8942         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8943         Adjust register allocate order and update some macro define.
8944         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8945         mdx_block_move_straight, mdx_block_move_loop_head,
8946         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8947         mdx_block_move): Added.
8948         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8949         mdp_limm): Updated and fix some bug and typo.
8950         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8951         (movsf, movdf, doloop_end): Added.
8952
8953 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8954
8955         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8956         config/arm/thumb2.md: Fix comment typos.
8957         * doc/extend.texi: Fix a typo.
8958
8959 2007-01-07  Eric Christopher  <echristo@apple.com>
8960
8961         * configure.ac: Check for __stack_chk_fail for darwin.
8962         * configure: Regenerate.
8963
8964 2007-01-07  Richard Guenther  <rguenther@suse.de>
8965
8966         * tree-vrp.c (extract_range_from_assert): CSE calls to
8967         compare_values where possible.
8968         (extract_range_from_unary_expr): Likewise.
8969
8970 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8971
8972         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8973         * config/avr/avr.c (call_insn_operand): Delete function.
8974         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8975         instead of register number. Use predicates.
8976         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8977         call_insn_operand): Add.
8978
8979 2007-01-06  Jan Hubicka  <jh@suse.cz>
8980
8981         * tree-pass.h (pass_build_cgraph_edges): Declare.
8982         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8983         (visited_nodes): Remove.
8984         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8985         build_cgrpah_edges; make visited_nodes local.
8986         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8987         (record_references_in_initializer): Move to cgraphbuild.c
8988         (initialize_inline_failed, rebuild_cgraph_edges,
8989         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8990         (verify_cgraph_node): Make visited_nodes local.
8991         (cgraph_analyze_function): Do not call cgraph_create_edges and
8992         initialize_inline_failed.
8993         (cgraph_expand_function): Do not call cgraph_lower_function;
8994         assert that function is already lowered.
8995         * Makefile.in (cgraphbuild.o): New.
8996         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8997         at the end of lowering passes.
8998
8999 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9000
9001         * ifcvt.c (cond_move_convert_if_block): New function, code
9002         factored out from...
9003         (cond_move_process_if_block): ...here.  Call the new function
9004         on the THEN and ELSE blocks.
9005         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9006         already takes care of this.
9007
9008 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9009
9010         PR c/19978
9011         * tree.h (TREE_OVERFLOW_P): New.
9012         * c-typeck.c (parser_build_unary_op): Warn only if result
9013         overflowed and operands did not.
9014         (parser_build_binary_op): Likewise.
9015         (convert_for_assignment): Remove redundant overflow_warning.
9016         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9017
9018 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9019
9020         * c-typeck.c (store_init_value): Split over two lines to follow
9021         the GNU coding style.
9022
9023 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9024
9025         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9026         __GXX_EXPERIMENTAL_CXX0X__.
9027         * doc/cpp.texi: Same.
9028
9029 2007-01-05  Richard Guenther  <rguenther@suse.de>
9030
9031         PR middle-end/27826
9032         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9033         with mismatched types.  Instead explicitly build a
9034         conversion NOP_EXPR.
9035
9036 2007-01-05  Ian Lance Taylor  <iant@google.com>
9037
9038         * c-common.c (decl_with_nonnull_addr_p): New function.
9039         (c_common_truthvalue_conversion): Call it.
9040         * c-typeck.c (build_binary_op): Likewise.
9041         * c-common.h (decl_with_nonnull_addr_p): Declare.
9042
9043 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9044
9045         PR c/30360
9046         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9047         denom against 0.0.
9048
9049 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9050
9051         * doc/install.texi (Final install): Document the fact that
9052         the GNAT runtime should not be stripped.
9053
9054 2007-01-04  Jan Hubicka  <jh@suse.cz>
9055
9056         * tree-inline.c (fold_marked_statements): Update operand caches
9057         and EH after folding
9058
9059 2007-01-04  Ian Lance Taylor  <iant@google.com>
9060
9061         * c-common.c (check_function_nonnull): Whitespace fix.
9062
9063 2007-01-04  Jan Hubicka  <jh@suse.cz>
9064
9065         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9066         comitted older version of patch.
9067         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9068         function, celanup cfg and collect garbage.
9069
9070 2007-01-04  Mike Stump  <mrs@apple.com>
9071
9072         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9073         (clean): Likewise.
9074
9075 2007-01-04  Eric Christopher  <echristo@apple.com>
9076
9077         * libgcc2.c (__bswapsi2): Use SItype.
9078         (__bswapdi2): Use DItype.
9079         * libgcc2.h: Update for above.
9080
9081 2007-01-04  Paul Brook  <paul@codesourcery.com>
9082
9083         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9084         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9085         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9086         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9087         umulsi3_highpart): Make conditional on !arm_arch6.
9088         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9089         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9090         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9091         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9092         umulsi3_highpart_v6): New insns.
9093
9094 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9095
9096         * fold-const.c (fold_convert): When casting an expression to void,
9097         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9098         have a type.  Instead of attempting to build a NOP_EXPR, return
9099         these "special" trees directly.
9100
9101 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9102
9103         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9104         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9105         rs6000_cost->fp not 0 as adjustment for outer NEG.
9106
9107 2007-01-04  Jan Hubicka  <jh@suse.cz>
9108
9109         * cgraph.c (cgraph_release_function_body): New function.
9110         (cgraph_remove_node): Use it.
9111         * cgraph.h (cgraph_release_function_body): Declare.
9112         * cgraphunit.c (cgraph_expand_function): Use it.
9113         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9114         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9115         is initialized and while compilation of other function is running.
9116         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9117         statement CFG annotations from here to ...
9118         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9119
9120 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9121
9122         * cfgloop.h (enum li_flags): Make the constants powers of two.
9123
9124 2007-01-04  Jan Hubicka  <jh@suse.cz>
9125
9126         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9127         set.
9128         (fold_marked_statements): New function.
9129         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9130         * tree-inline.h (copy_body_data): Add statements_to_fold.
9131
9132 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9133
9134         * config.gcc: Mention libgcc/config.host.
9135         * Makefile.in: Update comments mentioning libgcc.
9136         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9137         (all.cross, start.encap, rest.encap, rest.cross): Update
9138         dependencies for libgcc move.
9139         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9140         (clean-target, clean-target-libgcc): Delete.
9141         (srcdirify, GCC_EXTRA_PARTS): New macros.
9142         (libgcc-support, libgcc.mvars): New rules.
9143         (distclean): Remove mention of mklibgcc.
9144         (install): Don't reference INSTALL_LIBGCC.
9145         (install-common): Don't reference EXTRA_PARTS.
9146         (install-libgcc, install-multilib): Delete rules.
9147         * mklibgcc.in: Delete file.
9148         * doc/configfiles.texi: Don't mention mklibgcc.
9149
9150         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9151         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9152         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9153         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9154         (mklibgcc, ldblspecs): Likewise.
9155
9156         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9157         (posixpre.def): Use $(T).
9158         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9159         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9160         (SHLIB_LINK): Make dummy.
9161         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9162
9163         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9164
9165         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9166         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9167         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9168         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9169
9170         * configure.ac (all_outputs): Remove mklibgcc.
9171         * configure: Regenerated.
9172
9173 2007-01-03  Josh Conner  <jconner@apple.com>
9174
9175         PR middle-end/29683
9176         * calls.c (compute_argument_addresses): Set stack and stack_slot
9177         for partial args, too.
9178         (store_one_arg): Use locate.size.constant for the size when
9179         generating a save_area.
9180
9181 2007-01-03  Robert Kennedy <jimbob@google.com>
9182
9183         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9184         whose definitions are deleted due to basic block merging.
9185
9186 2007-01-03  Paul Brook  <paul@codesourcery.com>
9187
9188         PR target/16634
9189         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9190         functions.
9191         (use_return_insn): Return 0 for Thumb interrupt functions.
9192         (print_multi_reg): Add rfe argument for IRQ returns.
9193         (arm_output_epilogue): Pop interrupt return address directly into PC.
9194         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9195
9196 2007-01-03  Paul Brook  <paul@codesourcery.com>
9197
9198         Merge from sourcerygxx-4_1.
9199         * config/arm/thumb2.md: New file.
9200         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9201         Thumb-2.
9202         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9203         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9204         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9205         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9206         tables.
9207         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9208         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9209         comptibility.
9210         * config/arm/ieee754-sf.S: Ditto.
9211         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9212         (thumb1_base_register_rtx_p): ... to this.
9213         (thumb_index_register_rtx_p): Rename...
9214         (thumb1_index_register_rtx_p): ... to this.
9215         (thumb_output_function_prologue): Rename...
9216         (thumb1_output_function_prologue): ... to this.
9217         (thumb_legitimate_address_p): Rename...
9218         (thumb1_legitimate_address_p): ... to this.
9219         (thumb_rtx_costs): Rename...
9220         (thumb1_rtx_costs): ... to this.
9221         (thumb_compute_save_reg_mask): Rename...
9222         (thumb1_compute_save_reg_mask): ... to this.
9223         (thumb_final_prescan_insn): Rename...
9224         (thumb1_final_prescan_insn): ... to this.
9225         (thumb_expand_epilogue): Rename...
9226         (thumb1_expand_epilogue): ... to this.
9227         (arm_unwind_emit_stm): Rename...
9228         (arm_unwind_emit_sequence): ... to this.
9229         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9230         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9231         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9232         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9233         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9234         thumb2_output_casesi): New functions.
9235         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9236         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9237         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9238         THUMB2_WORK_REGS): Define.
9239         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9240         arm_condexec_mask, arm_condexec_masklen)): New variables.
9241         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9242         (arm_override_options): Check new CPU capabilities.
9243         Set new architecture flag variables.
9244         (arm_isr_value): Handle v7m interrupt functions.
9245         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9246         Thumb-2.
9247         (const_ok_for_arm): Handle Thumb-2 constants.
9248         (arm_gen_constant): Ditto.  Use movw when available.
9249         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9250         functions.
9251         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9252         (thumb_find_work_register, arm_load_pic_register,
9253         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9254         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9255         print_multi_reg, output_mov_long_double_fpa_from_arm,
9256         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9257         output_mov_double_fpa_from_arm, output_move_double,
9258         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9259         output_return_instruction, arm_output_function_prologue,
9260         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9261         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9262         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9263         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9264         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9265         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9266         '!' and 'L'.
9267         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9268         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9269         (arm_file_start): Output directive for unified syntax.
9270         (arm_unwind_emit_set): Handle stack alignment instruction.
9271         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9272         Add v6t2, v7, v7a, v7r and v7m.
9273         (RETLDM): Add Thumb-2 code.
9274         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9275         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9276         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9277         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9278         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9279         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9280         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9281         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9282         ADJUST_INSN_LENGTH): Define.
9283         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9284         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9285         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9286         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9287         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9288         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9289         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9290         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9291         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9292         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9293         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9294         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9295         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9296         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9297         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9298         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9299         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9300         cortex-m3.
9301         * config/arm/arm-tune.md: Regenerate.
9302         * config/arm/arm-protos.h: Update prototypes.
9303         * config/arm/vfp.md: Enable patterns for Thumb-2.
9304         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9305         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9306         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9307         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9308         * config/arm/libunwind.S: Add Thumb-2 code.
9309         * config/arm/constraints.md: Update include Thumb-2.
9310         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9311         * config/arm/ieee754-df.S: Ditto.
9312         * config/arm/bpabi.S: Ditto.
9313         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9314         * config/arm/predicates.md (low_register_operand,
9315         low_reg_or_int_operand, thumb_16bit_operator): New.
9316         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9317         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9318         * config/arm/t-arm-elf: Add armv7 multilib.
9319         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9320         Include thumb2.md.
9321         (UNSPEC_STACK_ALIGN, ce_count): New.
9322         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9323         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9324         insns/expanders.
9325         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9326         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9327         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9328         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9329         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9330         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9331         insns.
9332         * doc/extend.texi: Document ARMv7-M interrupt functions.
9333         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9334
9335 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9336
9337         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9338         (struct _Unwind_Context): Rename args_size to flags, remove
9339         signal_frame field, add a new args_size field and version field.
9340         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9341         _Unwind_IsExtendedContext): New inline functions.
9342         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9343         Assume by_value array is only present if _Unwind_IsExtendedContext.
9344         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9345         _Unwind_IsSignalFrame.
9346         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9347         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9348         (uw_init_context_1): Initialize context->flags to
9349         EXTENDED_CONTEXT_BIT.
9350         * config/rs6000/linux-unwind.h (frob_update_context): Use
9351         _Unwind_SetSignalFrame.
9352
9353 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9354
9355         PR middle-end/30353
9356         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9357         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9358         the value.
9359
9360 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9361
9362         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9363         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9364         RET, AT_SP): Remove.
9365         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9366         instead of RET.
9367
9368         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9369         * cfgbuild.c (find_basic_blocks): Likewise.
9370         * cfgrtl.c (rtl_create_basic_block): Likewise.
9371         * function.c (temp_slots_at_level): Likewise.
9372         * reg-stack.c (stack_regs_mentioned): Likewise.
9373         * regclass.c (allocate_reg_info): Likewise.
9374         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9375         set_bb_for_stmt, move_block_to_fn): Likewise.
9376         * tree-complex.c (tree_lower_complex): Likewise.
9377         * vec.h (VEC_safe_grow_cleared): New.
9378
9379         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9380
9381 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9382
9383         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9384         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9385         to loop_version.
9386         * cfgloopmanip.c (scale_loop_frequencies): Export.
9387         (loopify): Scale the frequencies by prescribed coefficients.
9388         (set_zero_probability): New function.
9389         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9390         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9391         and frequencies according to arguments.
9392         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9393         correctly.
9394         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9395         * modulo-sched.c (sms_schedule): Set probabilities for entering
9396         versioned loop correctly.
9397         * tree-vect-transform.c (vect_transform_loop): Ditto.
9398         * cfgloop.h (loopify, loop_version): Declaration changed.
9399         (scale_loop_frequencies): Declared.
9400
9401 2007-01-02  Jan Hubicka  <jh@suse.cz>
9402
9403         * cgraph.c: Include tree-flow.h
9404         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9405         early_local_passes.
9406         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9407         * tree-pass.h (pass_all_early_optimizations): Declare.
9408         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9409         early_local_passes.
9410         (cgraph_analyze_function): Do early_local_passes.
9411         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9412         Do not add referenced vars.
9413         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9414         SSA form.
9415         (gate_all_early_local_passes): New gate.
9416         (pass_early_local_passes): Use new gate.
9417         (execute_early_local_optimizations): New functions.
9418         (gate_all_early_optimizations): New gate.
9419         (pass_all_early_optimizations): New pass.
9420         (execute_free_datastructures): Free SSA only when initialized.
9421         (gate_init_datastructures): Init only when optimizing.
9422         (tree_lowering_passes): Do early local passes when called late.
9423         * tree-profile.c (do_tree_profiling): Don't profile functions added
9424         late.
9425         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9426         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9427         not active.
9428         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9429         during early_local_passes.
9430         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9431
9432
9433 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9434
9435         * Makefile.in: Update copyright year.
9436
9437 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9438
9439         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9440         in $(lang_checks) and check-consistency targets.
9441
9442 2007-01-02  Jan Hubicka  <jh@suse.cz>
9443
9444         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9445         Do not add referenced vars.
9446         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9447         are not active.
9448         * passes.c (init_optimization_passes): Put mudflap_2 after
9449         free_datastructures.
9450
9451 2007-01-02  Jan Hubicka  <jh@suse.cz>
9452
9453         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9454         Set NOTHROW flag on call statements proved to be nothrow.
9455         Update statement of local calls so new pure/const functions are
9456         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9457         goto receivers.
9458         (tree_rest_of_compilation): Register hooks and initialize bitmap
9459         early. Do not set after_inlining flag.
9460
9461 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9462
9463         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9464         HOST_BITS_PER_LONGLONG
9465
9466 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9467
9468         PR c/19977
9469         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9470         warning for non-static initializers.
9471
9472 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9473
9474         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9475         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9476         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9477         Always use set_unique_reg_note to add REG_EQUAL notes.
9478
9479 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9480
9481         Revert:
9482         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9483
9484         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9485         * cfgbuild.c (find_basic_blocks): Likewise.
9486         * cfgrtl.c (rtl_create_basic_block): Likewise.
9487         * function.c (temp_slots_at_level): Likewise.
9488         * reg-stack.c (stack_regs_mentioned): Likewise.
9489         * regclass.c (allocate_reg_info): Likewise.
9490         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9491         set_bb_for_stmt, move_block_to_fn): Likewise.
9492         * tree-complex.c (tree_lower_complex): Likewise.
9493         * vec.h (VEC_safe_grow_cleared): New.
9494
9495 2007-01-02  Ian Lance Taylor  <iant@google.com>
9496
9497         * c-common.c (c_common_truthvalue_conversion): When warning about
9498         using an assignment as a truth value, set TREE_NO_WARNING.
9499
9500 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9501
9502         PR middle-end/7651
9503         * c.opt (Wold-style-declaration): New.
9504         * doc/invoke.texi (C-only Warning Options): New.
9505         (Wold-style-declaration): Document it.
9506         (Wextra): Enabled by -Wextra.
9507         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9508         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9509         -Wold-style-declaration.
9510
9511 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9512
9513         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9514         * cfgbuild.c (find_basic_blocks): Likewise.
9515         * cfgrtl.c (rtl_create_basic_block): Likewise.
9516         * function.c (temp_slots_at_level): Likewise.
9517         * reg-stack.c (stack_regs_mentioned): Likewise.
9518         * regclass.c (allocate_reg_info): Likewise.
9519         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9520         set_bb_for_stmt, move_block_to_fn): Likewise.
9521         * tree-complex.c (tree_lower_complex): Likewise.
9522         * vec.h (VEC_safe_grow_cleared): New.
9523
9524 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9525
9526         * c-common.c (c_common_nodes_and_builtins): Since variants of
9527         void_type_node get built before it is given a name, we need to
9528         give those variants the name, too.
9529         (complete_array_type): We need to work with the canonical main
9530         type of the array, from which we will build the qualified version.
9531         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9532         * print-tree.c (print_node): Display canonical type information
9533         for each type.
9534         * stor-layout.c (layout_type): When we don't know the
9535         alignment of a type for which we're building an array, we end up
9536         guessing wrong, so make the type require structural equality.
9537         * tree.c (make_node_stat): When we build a new type, it is its
9538         own canonical type.
9539         (build_type_attribute_qual_variant): When building an attribute
9540         variant, its canonical type is the non-attribute variant. However,
9541         if the attributes are target-dependent and they differ, we need to
9542         use structural equality checks for this type.
9543         (build_qualified_type): A qualified type is not equivalent to its
9544         unqualified variant; set the canonical type appropriately.
9545         (build_distinct_type_copy): When building a distinct type from
9546         another type, the new type is its own canonical type.
9547         (build_variant_type_copy): When building a new type variant, we
9548         assume that it is equivalent to the original type.
9549         (build_pointer_type_for_mode): When building a pointer type, also
9550         build a canonical type pointer.
9551         (build_reference_type_for_mode): When building a reference type,
9552         also build a canonical type reference.
9553         (build_index_type): When we can't hash an index type (e.g.,
9554         because its maximum value is negative), the index type requires
9555         structural equality tests.
9556         (build_array_type): Build the canonical form of an array type.
9557         (build_function_type): Function types require structural equality,
9558         because they contain default arguments, attributes, etc.
9559         (build_method_type_directly): Ditto for method types.
9560         (build_offset_type): Build the canonical offset type.
9561         (build_complex_type): Build the canonical vector type.
9562         (make_vector_type): Build the canonical vector type.
9563         * tree.h (TYPE_CANONICAL): New.
9564         (TYPE_STRUCTURAL_EQUALITY_P): New.
9565         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9566         (struct tree_type): Added "canonical" field.
9567         * params.h (VERIFY_CANONICAL_TYPES): New.
9568         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9569         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9570         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9571         * doc/invoke.texi (verify-canonical-types): Document --param
9572         parameter for verifying canonical types.
9573
9574 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9575
9576         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9577         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9578         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9579         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9580         tm_file.
9581         * config/rs6000/e500.h: New.
9582         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9583         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9584         Remove.
9585         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9586         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9587         TARGET_E500_DOUBLE): Remove.
9588         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9589         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9590         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9591         * config/rs6000/rs6000.c (rs6000_override_options): Use
9592         CHECK_E500_OPTIONS.
9593
9594 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9595
9596         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9597         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9598         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9599         rs6000_emit_cmove): Don't check TARGET_E500.
9600         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9601         sordered): Don't check TARGET_E500.
9602
9603 2007-01-01  Eric Christopher  <echristo@apple.com>
9604
9605         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9606         HARD_REGISTER_NUM_P.
9607
9608 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9609
9610         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9611         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9612         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9613         eq/ne Y".
9614
9615 2007-01-01  Mike Stump  <mrs@apple.com>
9616
9617         * configure.ac: Remove support for building with Apple's gcc-3.1.
9618
9619 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9620
9621         PR middle-end/30311
9622         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9623         REG is a hard register.  Do not modify REG before calling
9624         subreg_nregs.
9625         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9626         multiple of the size of YMODE for certain lowpart cases.
9627
9628 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9629
9630         PR middle-end/30253
9631         * gimplify (voidify_wrapper_expr): Update for
9632         GIMPLE_MODIFY_STMT.
9633
9634 2007-01-01  Andreas Schwab  <schwab@suse.de>
9635
9636         PR target/29166
9637         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9638         save of BR0 in extra_spill_size instead of spill_size.
9639         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9640         area.
9641         (ia64_expand_epilogue): Restore BR0 from its new location.
9642
9643 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9644
9645         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9646         Use a temporary variable if the left hand side is not a gimple
9647         register.
9648
9649 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9650
9651         * gimplify.c (gimplify_return_expr): Make the temporary variable
9652         for the return expression, a gimple register variable.
9653
9654 2007-01-01  Jan Hubicka  <jh@suse.cz>
9655
9656         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9657         INSN_LIST.
9658
9659 2007-01-01  Mike Stump  <mrs@apple.com>
9660
9661         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9662         .literal16.
9663         * config/darwin.c (machopic_select_rtx_section): Use
9664         HAVE_GAS_LITERAL16.
9665         (darwin_mergeable_constant_section): Likewise.
9666         * configure: Regenerate.
9667         * config.in: Regenerate.
9668
9669 2007-01-01  Jan Hubicka  <jh@suse.cz>
9670             Andrew Pinski  <pinskia@gmail.com>
9671
9672         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9673         before starting IPA passes.