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PR target/25448
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2
3         PR target/25448
4         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the 
5         DECL_ASSEMBLER_NAME, not the DECL_NAME.
6
7 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
8
9         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
10         (CONDITIONAL_REGISTER_USAGE): Likewise.
11
12 2007-04-04  Richard Henderson  <rth@redhat.com>
13
14         * config/alpha/lib1funcs.asm: Remove unused file.
15
16 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
17
18         PR other/31356
19         * opts.c (print_specific_help): Fix --help=<language>
20         header line.
21         (common_handle_option): Support --help=common.
22
23 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
24
25         PR other/31353
26         * gcc.c (main): Do not run the linker if
27         print_subprocess_help indicates that it shouldn't be
28         run.
29
30 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
31
32         PR doc/31355
33         * doc/invoke.texi (--help=): Document <languages> value, fix
34         formatting in tables of values.
35
36 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
37
38         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
39         dllimport attribute of virtual methods.
40
41 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
42
43         * config/score/crti.asm: Change _bss_start to __bss_start.
44         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
45         (OUTGOING_REG_PARM_STACK_SPACE) update.
46         * config/score/score.opt: add options to make backend support
47         score5, score5u, score7 and score7d.
48         * config/score/score.md: Likewise.
49         * config/score/misc.md: Likewise.
50         * config/score/mac.md: Likewise.
51         * doc/invoke.texi: Likewise.
52         * doc/md.texi: update constraints define.
53
54 2007-04-03  Richard Henderson  <rth@redhat.com>
55
56         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
57         an appropriate type, use the mode instead.
58
59 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
60
61         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
62         Set the default --with-arch setting to mips2.
63         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
64         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
65         (MULTILIB_OSDIRNAMES): Delete.
66         (MULTILIB_DIRNAMES): Define.
67         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
68         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
69         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
70         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
71         VXWORKS_OS_CPP_BUILTINS.
72         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
73         (MIPS_DEBUGGING_INFO): Undefine.
74         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
75
76 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
77
78         PR middle-end/30704
79         * fold-const.c (native_encode_real): Encode real.c provided longs
80         as a series of 32-bit native integers.
81         (native_interpret_real): Interpret buffer as a series of 32-bit
82         native integers.
83
84 2007-04-03  Richard Guenther  <rguenther@suse.de>
85
86         * genpreds.c (write_insn_constraint_len): Write function
87         optimized for CONSTRAINT_LEN implementation.
88         (write_tm_preds_h): Output insn_constraint_len inline and
89         use it for CONSTRAINT_LEN.
90         (write_insn_preds_c): Don't output insn_constraint_len.
91         * doc/md.texi (define_register_constraint): Document multi-letter
92         constraints shall have the same length if they start with the same
93         letter.
94
95 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
96
97         PR target/31175
98         * config/i386/i386.md (isinf<mode>2): Expand only when
99         TARGET_C99_FUNCTIONS is set.
100
101 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
102
103         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
104         (x86_64-*-linux*): Ditto.
105         * config/i386/i386.opt (mpc): New option.
106         * config/i386/i386.c (overrride_options): Handle
107         ix87_precision_string.
108         * config/i386/crtprec.c: New file.
109         * config/i386/t-crtpc: Ditto.
110         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
111         and -mpc80 options.
112         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
113         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
114         crtprec32.o, crtprec64.o and crtprec80.o.
115
116         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
117         and -mpc80 options.
118         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
119
120 2007-04-02  Eric Christopher  <echristo@apple.com>
121
122         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
123         limitations on darwin.
124
125 2007-04-02  Anatoly Sokolov <aesok@post.ru>
126
127         PR target/31137
128         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
129
130 2007-04-02  Dave Korn  <dave.korn@artimi.com>
131
132         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
133
134 2007-04-02  Dave Korn  <dave.korn@artimi.com>
135
136         * libgcc2.h (exception_descriptor): Don't forward-declare.
137         (__get_eh_table_language, __get_eh_table_version): Delete
138         prototypes of long-dead functions.
139
140 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
141
142         * ebitmap.h: New file
143         * ebitmap.c: New file
144         * Makefile.in (ebitmap.o): New target.
145
146 2007-04-01  Jan Hubicka  <jh@suse.cz>
147
148         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
149         before very first instruction.
150
151 2007-04-01  Jan Hubicka  <jh@suse.cz>
152
153         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
154         waring on 64bit hosts.
155         * bitmap.h: Fix typo in bitmap_head_def.
156
157 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
158
159         PR rtl-optimization/31391
160         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
161         into a DELETED_LABEL note, and the label is in an empty basic
162         block, update BB_END as well as BB_HEAD.
163
164 2007-04-01  Richard Henderson  <rth@redhat.com>
165
166         PR tree-optimization/31169
167         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
168         to varying if the range is outside [0,  prec-1].
169
170 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
171
172         PR target/31388
173         * config/mips/mips.md (load_const_gp): New insn.
174         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
175         the MIPS16 GP pseudo register if no_new_pseudos.
176         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
177
178 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
179
180         PR target/31364
181         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
182         secureplt.
183         (call_value): Likewise.
184
185 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
186             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
187
188         PR 14737
189         * doc/invoke.texi: (optimization options): Reword description
190         of -ffast-math. Document its primary purpose.
191
192 2007-03-31  Richard Guenther  <rguenther@suse.de>
193
194         * omp-low.c (splay-tree.h): Include.
195         (lookup_decl): Replace splay-tree usage by pointer-map.
196         (maybe_lookup_decl): Likewise.
197         (new_omp_context): Likewise.
198         (delete_omp_context): Likewise.
199         * gimplify.c (splay-tree.h): Include.
200         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
201         pointer-map.
202         (remap_ssa_name): Likewise.
203         (remap_decl): Likewise.
204         (remap_type_1): Likewise.
205         (remap_type): Likewise.
206         (copy_body_r): Likewise.
207         (expand_call_inline): Likewise.
208         (clone_body): Likewise.
209         (copy_tree_r): Likewise.
210         (remap_save_expr): Likewise.
211         (unsave_r): Likewise.
212         (unsave_expr_now): Likewise.
213         (tree_function_versioning): Likewise.
214         (build_duplicate_type): Likewise.
215         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
216         (struct copy_body_data): Replace splay-tree by pointer-map.
217         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
218         not $(SPLAY_TREE_H).
219         (gimplify.o): Depend on $(SPLAY_TREE_H).
220         (omp-low.p): Likewise.
221
222 2007-03-31  Anatoly Sokolov <aesok@post.ru>
223
224         * config/avr/predicates.md (even_register_operand,
225         odd_register_operand): New predicates.
226         * config/avr/avr.md (movw peephole2): New.
227         (movw_r peephole2): New.
228
229 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
230
231         * tree.h (get_signed_or_unsigned_type): New.
232         * fold-const.c (operand_equal_for_comparison_p): Use
233         get_signed_or_unsigned_type instead of
234         lang_hooks.types.signed_or_unsigned_type.
235         * expr.c (store_expr): Ditto.
236         * langhooks.c (get_signed_or_unsigned_type): New.
237         (lhd_signed_or_unsigned_type): New.
238         * langhooks.h (lhd_signed_or_unsigned_type): New.
239         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
240
241 2007-03-30  Richard Henderson  <rth@redhat.com>
242
243         * tree-ssa-loop-ivopts.c: Include target.h.
244         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
245         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
246         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
247         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
248
249 2007-03-30  Richard Henderson  <rth@redhat.com>
250             Kai Tietz  <kai.tietz@onevision.com>
251
252         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
253         default for 64-bit.
254         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
255         (TARGET_64BIT_MS_ABI): New.
256         (DBX_REGISTER_NUMBER): Handle 64-bit.
257         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
258         (LONG_TYPE_SIZE): Force to 32.
259         (REG_PARM_STACK_SPACE): New.
260         (OUTGOING_REG_PARM_STACK_SPACE): New.
261         (REGPARM_MAX, SSE_REGPARM_MAX): New.
262         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
263         (STACK_BOUNDARY): Use 128 for 64-bit.
264         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
265         Add 64-bit implementation.
266         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
267         argument unused.
268         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
269         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
270         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
271         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
272         (ix86_handle_cconv_attribute): Don't warn when ignoring if
273         TARGET_64BIT_MS_ABI.
274         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
275         (ix86_pass_by_reference): Likewise.
276         (ix86_function_value_regno_p): Likewise.
277         (ix86_build_builtin_va_list): Likewise.
278         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
279         (function_arg_advance_ms_64): New.
280         (function_arg_advance): Call it.
281         (function_arg_ms_64): New.
282         (function_arg): Call it.
283         (function_value_ms_64): New.
284         (ix86_function_value_1): Call it.
285         (return_in_memory_ms_64): New.
286         (ix86_return_in_memory): Call it.
287         (setup_incoming_varargs_ms_64): New.
288         (ix86_setup_incoming_varargs): Call it.
289         (ix86_expand_prologue): Handle 64-bit stack probing.
290         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
291         (output_pic_addr_const): Likewise.
292         (x86_this_parameter): Likewise.
293         (x86_output_mi_thunk): Likewise.
294         (x86_function_profiler): Likewise.
295         (TARGET_STRICT_ARGUMENT_NAMING): New.
296         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
297         (TARGET_64BIT_MS_ABI): New.
298         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
299         * config/i386/i386.md (allocate_stack_worker): Remove.
300         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
301         describe the clobber of eax without a match_scratch.
302         (allocate_stack_worker_postreload): Remove.
303         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
304         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
305         (allocate_stack_worker_rex64_postreload): Remove.
306         (allocate_stack): Handle 64-bit.
307         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
308         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
309         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
310         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
311         (STANDARD_STARTFILE_PREFIX_1): Likewise.
312         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
313         * config.build (x86_64-*-mingw*): New host.
314         * config.host (x86_64-*-mingw*): New host.
315         * config.gcc (x86_64-*-mingw*): New target.
316         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
317
318 2007-03-30  Richard Henderson  <rth@redhat.com>
319             Kai Tietz  <kai.tietz@onevision.com>
320
321         * c-pragma.c (struct def_pragma_macro_value): New.
322         (struct def_pragma_macro): New.
323         (pushed_macro_table): New.
324         (dpm_hash, dpm_eq): New.
325         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
326         (init_pragma): Install them.
327         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
328
329 2007-03-30  Anatoly Sokolov <aesok@post.ru>
330
331         * config/avr/avr.c (avr_override_options): Clear
332         'flag_delete_null_pointer_checks'.
333
334 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
335
336         PR c++/26099
337         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
338         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
339         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
340         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
341         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
342         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
343         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
344         C++ extensions.
345         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
346
347 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
348
349         * regmove.c: Move all of pass_stack_adjustments from here...
350         * combine-stack-adj.c: ...to this new file.
351         * Makefile.in: Add rules for combine-stack-adj.o.
352
353 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
354
355         PR tree-optimization/31383
356         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
357         to have the same length.
358
359 2007-03-30  Jan Hubicka  <jh@suse.cz>
360
361         PR middle-end/30700
362         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
363         availablility; add more sanity checking; ask varpool only about
364         VAR_DECL.
365
366 2007-03-29  Richard Henderson  <rth@redhat.com>
367
368         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
369         to decide, but __SIZEOF_LONG_LONG__.
370
371 2007-03-29  Richard Henderson  <rth@redhat.com>
372
373         * emutls.c (struct __emutls_array): New.
374         (emutls_destroy): Use it instead of casting element 0 from void*.
375         (__emutls_get_address): Likewise.
376
377 2007-03-29  Richard Henderson  <rth@redhat.com>
378
379         * varasm.c (initializer_constant_valid_p): Don't deny
380         DECL_DLLIMPORT_P on functions.
381
382         * config/i386/cygming.h: Remove function declarations.
383         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
384         (ASM_OUTPUT_LABELREF): Remove.
385         (COMMON_ASM_OP): Remove.
386         (ASM_OUTPUT_COMMON): Remove.
387         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
388         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
389         (ASM_DECLARE_FUNCTION_NAME): Likewise.
390         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
391         Rename from TARGET_ENCODE_SECTION_INFO.
392         * config/i386/netware.h: Likewise.
393         * config/i386/i386-protos.h: Update.
394         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
395         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
396         (legitimate_constant_p): Reject dllimports.
397         (dllimport_map, get_dllimport_decl): New.
398         (legitimize_dllimport_symbol): New.
399         (legitimize_address, ix86_expand_move): Use it.
400         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
401         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
402         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
403         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
404         * config/i386/predicates.md (constant_call_address_operand): Only
405         accept symbols; reject dllimport_p symbols.
406         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
407         i386_pe_maybe_record_exported_symbol.
408         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
409         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
410         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
411         trust the setting of DECL_DLLIMPORT_P.
412         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
413         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
414         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
415         tidy the argument scanning loop.
416         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
417         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
418         (i386_pe_strip_name_encoding): Remove.
419         (i386_pe_binds_local_p): New.
420         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
421         (i386_pe_output_labelref): Remove.
422         (i386_pe_asm_output_aligned_decl_common): New.
423         (i386_pe_maybe_record_exported_symbol): Rename from
424         i386_pe_record_exported_symbol; check for dllexported symbols.
425
426 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
427
428         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
429         add comment explaining why vsnprintf cannot be used.
430
431 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
432
433         PR tree-optimization/30666
434         * tree.c (build_complex_type): When creating type names for DWARF2
435         debug info, create TYPE_DECLs for TYPE_NAME instead of
436         IDENTIFIER_NODEs.
437         (build_common_tree_nodes_2): Use build_complex_type when building
438         predefined complex types, to preserve canonical types.
439
440 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
441
442         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
443         (noce_get_alt_condition): Look at it to determine whether to
444         reverse the condition or not.
445         (noce_get_condition): Substitute the truth for lies.
446         (noce_find_if_block): Set the then_else_reversed field.
447
448 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
449
450         * config/fr30/fr30.md (movdi): Do not accept immediates as the
451         destination of this insn.
452         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
453         than calling gen_rtx_SET directly.  Use r0 to hold the value of
454         'address + 4' rather than a stack based temporary which can be
455         mis-optimized away.
456
457 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
458
459         * config/s390/s390.c (s390_secondary_input_reload_class,
460         s390_secondary_output_reload_class): Functions removed.
461         (s390_secondary_reload): New function.
462         (TARGET_SECONDARY_RELOAD): Target macro defined.
463         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
464         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
465         * config/s390/s390.md ("reload_outti", "reload_outdi",
466         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
467         "reload_out<mode>"): Expanders removed.
468         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
469         "reload<mode>_nonoffmem_out"): Expanders added.
470
471 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
472
473         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
474         SRC->DEST replacement failed anyway.
475
476 2007-03-28  Mike Stump  <mrs@apple.com>
477
478         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
479         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
480         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
481
482 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
483
484         * config.gcc: Accept barcelona as a variant of amdfam10.
485         * config/i386/i386.c (override_options): Likewise.
486         * doc/invoke.texi: Likewise.
487
488 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
489
490         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
491         offsets for BIT_FIELD_REF and COMPONENT_REF.
492
493 2007-03-28  Richard Guenther  <rguenther@suse.de>
494
495         * tree.c (is_global_var): Move ...
496         * tree-flow-inline.h (is_global_var): ... here.
497         * tree.h (is_global_var): Remove declaration.
498
499 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
500
501         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
502         option.
503         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
504         * config/i386/i386.c (ix86_tune_features): Initialize new
505         tuning option.
506         * config/i386/predicates.md (promotable_binary_operator): Use
507         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
508
509 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
510
511         PR target/31380
512         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
513
514 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
515
516         * config/fr30/fr30.md (movsi_internal): Change destination
517         constraint from m to V and add m to the end.
518
519 2007-03-28  Christian Bruel  <christian.bruel@st.com>
520
521         * config/sh/sh.md (movsi_i): Fix type attribute.
522
523 2007-03-28  Christian Bruel  <christian.bruel@st.com>
524
525         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
526         (movsf_ie): Likewise.
527
528 2007-03-28  Christian Bruel  <christian.bruel@st.com>
529
530         * config.gcc: Add sh4-300 to multilib.
531         * config/sh/t-mlib-sh4-300: New file.
532
533 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
534
535         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
536         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
537         fix_trunc<mode>di2.
538         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
539         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
540         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
541         "fixuns_trunctddi2"): Whitespace fix.
542
543 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
544
545         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
546         the definition of struct sh_args.
547         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
548         CALL_COOKIE_INT_REG_GET): Likewise.
549
550 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
551
552         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
553         transformations are applied successfully.
554
555 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
556
557         * tree.c (tree_contains_struct): Permit 512 tree codes.
558         * tree.h (tree_contains_struct): Ditto.
559         (MAX_TREE_CODES): Ditto.
560         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
561         SPARE member to store remaining padding bits.
562
563 2007-03-27  Anatoly Sokolov <aesok@post.ru>
564
565         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
566         architecture.
567
568 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
569
570         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
571         * configure: Regenerate.
572
573         * configure: Regenerate using the correct version of autoconf.
574
575 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
576
577         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
578         pointer regs.
579         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
580         regs to "__SP_L__" and "__SP_H__".
581
582 2007-03-27  Richard Guenther  <rguenther@suse.de>
583
584         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
585         computations with it with a HOST_WIDE_INT variable.
586
587 2007-03-26  Mike Stump  <mrs@apple.com>
588
589         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
590         objective-c-header, objective-c++-header and objc++-cpp-output
591         support.
592         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
593
594 2007-03-26  Richard Henderson  <rth@redhat.com>
595
596         PR target/31361
597         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
598         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
599         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
600         IX86_BUILTIN_PSRLQ128): New.
601         (ix86_init_mmx_sse_builtins): Add them.
602         (ix86_expand_builtin): Expand them.
603         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
604         operand 2 be TImode.
605         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
606         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
607         _mm_srli_epi64): Mark __B const.
608         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
609         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
610         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
611         new two-vector shift builtins.
612
613 2007-03-26  Ian Lance Taylor  <iant@google.com>
614
615         PR tree-optimization/31345
616         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
617         [+INF, +INF(OVF)] into VARYING.
618
619 2007-03-26  Zack Weinberg  <zackw@panix.com>
620
621         * gengtype-parse.c: New file.
622         * gengtype-yacc.y: Delete.
623         * gengtype-lex.l: Don't include gengtype-yacc.h.
624         Define YY_DECL and yyterminate appropriately for recursive
625         descent parser.  yylval is now a string out-parameter to yylex.
626         (HWS, EOID): New shorthand.
627         (IWORD): Add a couple more types.
628         (yylex): Add a setup stanza.  Remove the complex rules for
629         detecting GTY'ed types and typedefs; replace with simple
630         keyword detectors.  Adjust everything for the changed
631         definition of yylval.  Ignore all pp-directives, not just #define.
632         (yyerror): Delete.
633         (parse_file): Rename yybegin; do not call yyparse.
634         (yyend): New.
635         * gengtype.c (xasprintf): Export again.
636         (this_file): New.  Use everywhere __FILE__ was being used.
637         (get_lang_bitmap): Special case types defined in gengtype.c.
638         (do_typedef, new_structure): Suppress definition of certain types.
639         (new_structure): Improve diagnostics of duplicate definitions.
640         Make sure location_s is associated with input.h.
641         (nreverse_pairs, define_location_structures): New functions.
642         (main): Improve tagging of kludge types.  Remove old kludges
643         for input.h types; use define_location_structures.
644         * gengtype.h: Update prototypes.  Define token codes here.
645         * Makefile.in: Remove all references to gengtype-yacc.
646         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
647         and gengtype.
648         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
649         add GTY((skip)) to the field that's only conditionally there.
650         * doc/install.texi: Document that Bison is no longer required
651         unless building treelang.
652
653         * gengtype.c: Don't include gtyp-gen.h.
654         (srcdir): Declare here.
655         (base_files, lang_dir_names): Allocate dynamically.
656         (gt_files, num_gt_files, num_lang_dirs): New globals.
657         (measure_input_list, read_input_line, read_input_list)
658         (set_lang_bitmap): New functions.
659         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
660         simplify, relying on read_input_list to set up the bitmaps.
661         (main): Arguments are no longer unused.  Check for correct number
662         of command line arguments, set srcdir and srcdir_len, then call
663         read_input_list, before doing anything else.  No need to worry
664         about duplicates in main loop.
665         * configure.ac: Simplify the calculation of all_gtfiles.
666         Put language tags in there.  Don't set or substitute
667         all_gtfiles_files_langs or all_gtfiles_files_frags.
668         * Makefile.in: Revamp the way gengtype is invoked, now that it
669         takes a file on its command line with a much simpler format.
670         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
671         (GTFILES): Remove duplicates and C source files.
672         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
673         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
674         * configure: Regenerate.
675
676         * gengtype.h: Remove all type definitions to gengtype.c; leave
677         only definitions of options_p, type_p, and pair_p as opaque
678         pointers.  Update prototypes.
679         * gengtype.c: Many type definitions moved here from gengtype.h.
680         Consolidate type definitions at the top of the file.
681         (xvasprintf): Delete.
682         (xasprintf): Make static.
683         (create_nested_pointer_option): Add 'next' parameter.
684         (create_field_all, create_field_at): New functions.
685         (create_field): Now a thin wrapper around create_field_all.
686         (create_optional_field): Rename create_optional_field_ and add
687         line argument.  Original name is now a macro which supplies
688         __LINE__.
689         (oprintf): Use vsnprintf directly.
690         (close_output_files): Use fatal rather than perror/exit.
691         (note_def_vec, note_def_vec_alloc): Use create_field_at.
692         (main): Set progname.  Don't use exit.
693         * gengtype-yacc.y (struct_fields): Use create_field_at.
694         (option, optionseqopt): Delete.
695         (optionseq): Consolidate productions from option here so we
696         can use the first argument to create_option.
697
698         * gengtype-lex.l: Distinguish unions from structures in the
699         token type.  Don't call find_structure; return the tag as a string.
700         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
701         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
702         Reorganize typedef_struct production accordingly.
703         Use create_nested_ptr_option.
704         * gengtype.c (create_nested_ptr_option): New function.
705         * gengtype.h: Declare it.
706
707         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
708         (string_type): Don't declare.
709         (do_scalar_typedef): Declare.
710         (create_scalar_type): Update prototype.
711         * gengtype.c (string_type): Make static.
712         (scalar_nonchar, scalar_char): New.
713         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
714         (resolve_typedef): Use scalar_nonchar for error recovery.
715         (create_scalar_type): Remove name_len field.  Return scalar_char
716         or scalar_nonchar as appropriate.
717         (adjust_field_type): Look at scalar_is_char boolean to decide whether
718         to use string_type.
719         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
720         whenever possible.
721         (main): Initialize scalar_char and scalar_nonchar before calling
722         gen_rtx_next.
723         * gengtype-lex.l: Adjust for removal of second argument to
724         create_scalar_type.  Use yylval.s instead of yylval.t when
725         returning SCALAR.
726         * gengtype-yacc.y: Type of SCALAR is string.  Call
727         create_scalar_type from type:SCALAR rule.  Adjust for removal of
728         second argument to create_scalar_type.
729
730         * vec.h: Remove all #if IN_GENGTYPE blocks.
731         Add comment saying that changes may require adjustments to gengtype.
732         * gengtype.c: Don't include coretypes.h or tm.h.
733         Add comment to inclusion of errors.h.
734         (note_def_vec, note_def_vec_alloc): New functions.
735         * gengtype.h: Declare new functions.
736         * gengtype-lex.l: Don't include coretypes.h.
737         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
738         Delete.
739         (update_lineno): Remove unnecessary prototype.
740         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
741         (VEC rule): Just return VEC_TOKEN.
742         * gengtype-yacc.y (VEC_TOKEN): New token type.
743         (type): Add a production for VEC(a,b).
744         * Makefile.in: Update dependencies.
745
746         * gengtype-lex.l: Remove rules for parsing pointer-to-function
747         typedefs that use the old PARAMS macro.
748
749         * gengtype-lex.l: Remove all rules and states relating to yacc
750         input files.
751         * gengtype-yacc.y: Similarly.
752         * gengtype.c (note_yacc_type): Delete function.
753         * gengtype.h: Update prototypes.
754
755 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
756
757         * tree-pretty-print.c (dump_generic_node): Report precision of
758         unnamed integer types.
759
760 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
761
762         * ifcvt.c (noce_try_store_flag_constants): Don't check
763         no_new_pseudos here.
764         (noce_try_store_flag_constants): Don't check no_new_pseudos.
765         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
766         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
767         noce_try_sign_mask): Likewise.
768         (if_convert): Check no_new_pseudos here.
769
770         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
771         Remove prototypes.
772         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
773         (noce_get_condition): Handle new then_else_reversed argument.
774         (noce_init_if_info): Remove, fold into noce_find_if_block.
775         (noce_process_if_block): Take a struct noce_if_info as the
776         argument.  Don't set up one based on ce_if_info.  Update pointer
777         references accordingly.
778         (cond_move_process_if_block): Likewise.
779         (process_if_block): Removed.
780         (find_if_block): Removed.  Move functionality two new functions,
781         noce_find_if_block and cond_exec_find_if_block.
782         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
783         blocks and the symmetric IF-ELSE-JOIN case.
784         (cond_exec_find_if_block): Also new function mostly based on old
785         find_if_block and process_if_block.
786         (find_if_header): Replace find_if_block call with separately
787         guarded calls to noce_find_if_block and cond_exec_find_if_block.
788         (find_cond_trap): Update noce_get_condition call.
789         (dead_or_predicable): Likewise.
790
791 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
792
793         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
794         Remove.
795         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
796         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
797         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
798         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
799         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
800         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
801         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
802         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
803         __builtin_ia32_psrad128 builtins.
804
805 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
806
807         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
808         * config/i386/constraints.md
809         (define_constraint "I"): Use IN_RANGE macro.
810         (define_constraint "J"): Ditto.
811         (define_constraint "K"): Ditto.
812         (define_constraint "M"): Ditto.
813         (define_constraint "N"): Ditto.
814         (define_constraint "O"): Ditto.
815         * config/i386/predicates.md
816         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
817         (define_predicate "const_0_to_3_operand"): Ditto.
818         (define_predicate "const_0_to_7_operand"): Ditto.
819         (define_predicate "const_0_to_15_operand"): Ditto.
820         (define_predicate "const_0_to_63_operand"): Ditto.
821         (define_predicate "const_0_to_255_operand"): Ditto.
822         (define_predicate "const_1_to_31_operand"): Ditto.
823         (define_predicate "const_2_to_3_operand"): Ditto.
824         (define_predicate "const_4_to_7_operand"): Ditto.
825
826 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
827
828         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
829         in SImode for save_world.
830         * config/rs6000/altivec.md (save_world, restore_world): Convert to
831         LR hard reg.
832
833 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
834
835         PR tree-optimization/30784
836         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
837         BIT_FIELD_REF.
838
839 2007-03-25  Revital Eres  <eres@il.ibm.com>
840
841         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
842           Fold movement_possibility function into it.
843
844 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
845
846         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
847         (load_macho_picbase_{si,di}): Convert to LR hard reg.
848         (call_indirect_nonlocal_darwin64): Same.
849         (call_nonlocal_darwin64): Same.
850         (call_value_indirect_nonlocal_darwin64): Same.
851         (call_value_nonlocal_darwin64): Same.
852         (sibcall_nonlocal_darwin64): Same.
853         (sibcall_value_nonlocal_darwin64): Same.
854         (sibcall_symbolic_64): Same.
855         (sibcall_value_symbolic_64): Same.
856         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
857         LR pseudo.
858         (rs6000_emit_load_toc_table): Same.
859         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
860         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
861         (mull_call): Same.
862         (divss_call): Same.
863         (divus_call): Same.
864         (quoss_call): Same.
865         (quous_call): Same.
866         (load_toc_v4_pic_si): Same
867         (load_toc_v4_PIC_1): Same.
868         (load_toc_v4_PIC_1b): Same.
869         (call_indirect_aix{32,64}): Same.
870         (call_value_indirect_aix{32,64}): Same.
871         (call): Same.
872         (call_value): Same.
873         (call_local{32,64}): Same.
874         (call_value_local{32,64}): Same.
875         (call_indirect_nonlocal_aix{32,64}): Same.
876         (call_nonlocal_aix{32,64}): Same.
877         (call_value_indirect_nonlocal_aix{32,64}): Same.
878         (call_value_nonlocal_aix{32,64}): Same.
879         (call_indirect_nonlocal_sysv<mode>): Same.
880         (call_nonlocal_sysv<mode>): Same.
881         (call_value_indirect_nonlocal_sysv<mode>): Same.
882         (call_value_nonlocal_sysv<mode>): Same.
883         (sibcall): Same.
884         (sibcall_local{32,64}): Same.
885         (sibcall_value_local{32,64}): Same.
886         (sibcall_nonlocal_aix{32,64}): Same.
887         (sibcall_value_nonlocal_aix{32,64}): Same.
888         (sibcall_nonlocal_sysv<mode>): Same.
889         (sibcall_value): Same.
890         (sibcall_value_nonlocal_sysv<mode>): Same.
891
892 2007-03-24  Paul Brook  <paul@codesourcery.com>
893
894         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
895         * config/arm/linux-eabi.h: Remove legacy syscall hack.
896
897 2007-03-24  Richard Henderson  <rth@redhat.com>
898
899         * config/ia64/constraints.md: New file.
900         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
901         satisfies_constraint_?.
902         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
903         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
904         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
905         ia64_output_mi_thunk): Likewise.
906         (ia64_const_ok_for_letter_p): Remove.
907         (ia64_const_double_ok_for_letter_p): Remove.
908         (ia64_extra_constraint): Remove.
909         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
910         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
911         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
912         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
913         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
914         EXTRA_MEMORY_CONSTRAINT): Remove.
915         * config/ia64/ia64.md: Include constriants.md.  Replace
916         CONST_OK_FOR_? with satisfies_constraint_?.
917
918 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
919             H.J. Lu  <hongjiu.lu@intel.com>
920
921         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
922         DPD or BID name.
923         (name macros): Use DPD_BID_NAME to convert names properly.
924
925         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
926         decimal floating point format.
927         (init_floating_libfuncs): Change decimal functions so that they
928         have a "bid_" prefix if the decimal system uses the BID format,
929         and "dpd_" prefix if the decimal system uses the DPD format.
930         (init_interclass_conv_libfuncs): Ditto.
931         (init_intraclass_conv_libfuncs): Ditto.
932
933         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
934         using the BID format.
935
936         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
937         whether we are using the BID decimal format.
938         * configure: Regenerate.
939
940         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
941         the compiler has decimal floating point enabled.  Define
942         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
943         instead of DPD.
944
945         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
946         using the BID format.
947
948         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
949         whether we are using the BID decimal format.
950         * configure: Regenerate.
951
952         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
953         the compiler has decimal floating point enabled.  Define
954         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
955         instead of DPD.
956
957         * doc/install.texi (--enable-decimal-float): Document BID and DPD
958         options, and that it is enabled for i386/x86_64 systems.
959
960         * Makefile.in (enable_decimal_float): New.
961         (DECNUMFMT): New.
962         (DECNUMINC): Add  -I$(DECNUMFMT).
963         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
964         to $(DECNUMFMT) from $(DECNUM).
965
966         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
967         Substitute enable_decimal_float.
968         * configure: Regenerated.
969
970         PR other/30529
971         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
972         unsigned long.
973
974         * configure.ac: Enable decimal float for x86_64-*-linux*.
975         * configure: Regenerated.
976
977         PR other/30530
978         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
979         decimal128ClearSign to flip and clear the sign bit in decimal128.
980         (decimal_real_maxval): Set decimal128SetSign to set the sign
981         bit in decimal128.
982
983 2007-03-23  Ian Lance Taylor  <iant@google.com>
984
985         * fold-const.c (fold_binary): Correct warning for X - c >= X.
986
987 2007-03-23  Ian Lance Taylor  <iant@google.com>
988
989         * tree-dump.c (dump_files): Correct comment.
990
991 2007-03-23  Ian Lance Taylor  <iant@google.com>
992
993         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
994
995 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
996
997         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
998         in cfglayout mode.  Don't go into and out of cfglayout mode.
999         Link the blocks in the order of the constructed traces.
1000         (rest_of_handle_tracer): Adjust call to tracer.
1001         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1002         Don't go into cfglayout mode.
1003         (rtl_loop_done): Don't go out of cfglayout mode.
1004         * cfglayout.c (relink_block_chain): New function, split out from...
1005         (fixup_reorder_chain): ...here.  Remove redundant checking.
1006         (cfg_layout_finalize): Don't clear the header, footer, and aux
1007         fields here, move the code to do so to relink_block_chain.  Likewise
1008         for free_original_copy_tables.
1009         * rtl.h (tracer): Update prototype.
1010         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1011         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1012         mode.  Use relink_block_chain to serialize the CFG according to the
1013         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1014         here...
1015         (gate_handle_reorder_blocks): ...to here.
1016         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1017         from here...
1018         (gate_duplicate_computed_gotos): ...to here.
1019         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1020         something always changes when going into and out of cfglayout mode.
1021         Perform an expensive cfg cleanup while going into cfglayout mode.
1022         Always update liveness information on HAVE_conditional_execution
1023         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1024         * reg-stack.c: Include cfglayout.h.
1025         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1026         the call to reorder_basic_blocks.
1027         * basic-block.h (reorder_basic_blocks): Update prototype.
1028         (relink_block_chain): New prototype.
1029         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1030
1031 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1032
1033         * config/mips/mips.md (type, hazard, *movdi_32bit,
1034         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1035         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1036         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1037         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1038         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1039         applicable.
1040         (movcc): Change first xfer to multi.
1041         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1042         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1043         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1044         config/mips/generic.md: Change reservations using "xfer" to use
1045         "mfc,mtc".
1046         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1047         using match_operand.
1048         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1049         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1050         examining mode.
1051         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1052
1053 2007-03-22  Richard Henderson  <rth@redhat.com>
1054
1055         * config/i386/i386.c: Remove unnecessary function declarations.
1056         Move targetm definition, and all related macros, to the end of
1057         the file.  Resort some functions to put definitions before uses.
1058         (ix86_attribute_table): Make static.  Move to end of file.
1059         (ix86_gimplify_va_arg): Make static.
1060
1061 2007-03-22  Richard Henderson  <rth@redhat.com>
1062
1063         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1064         don't increase local_regparm with force_align_arg_pointer check.
1065         (ix86_function_sseregparm): Assert 32-bit.
1066         (type_has_variadic_args_p): New.
1067         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1068         type_has_variadic_args_p.
1069         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1070         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1071         use memset instead.  Do maybe_vaarg check first; skip attribute
1072         tests if true; skip attribute tests for 64-bit.
1073         (construct_container): Remove TARGET_DEBUG_ARG.
1074         (function_arg_advance_32, function_arg_advance_64): Split out ...
1075         (function_arg_advance): ... from here.
1076         (function_arg_32, function_arg_64): Split out ...
1077         (function_arg): ... from here.
1078         (ix86_pass_by_reference): Tidy.
1079         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1080         (function_value_32): New, from parts of ix86_function_value
1081         and ix86_value_regno.
1082         (function_value_64): New, from parts of ix86_function_value
1083         and ix86_libcall_value.
1084         (ix86_function_value_1): New.
1085         (ix86_function_value, ix86_libcall_value): Use it.
1086         (return_in_memory_32, return_in_memory_64): Split out ...
1087         (ix86_return_in_memory): ... from here.
1088         (ix86_struct_value_rtx): Skip for 64-bit.
1089         (ix86_libcall_value, ix86_value_regno): Remove.
1090         (setup_incoming_varargs_64): Split out ...
1091         (ix86_setup_incoming_varargs): ... from here.
1092         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1093         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1094         * config/i386/i386-protos.h (ix86_function_value): Remove.
1095         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1096
1097 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1098
1099         PR other/23572
1100         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1101         infinities not supported, otherwise emit warning if -Woverflow. On
1102         underflow, emit warning if -Woverflow.
1103         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1104         and 0 otherwise.
1105         * real.h (real_from_string): Update declaration
1106
1107 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1108             Richard Henderson  <rth@redhat.com>
1109
1110         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1111         * calls.c (compute_argument_block_size, expand_call,
1112         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1113         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1114         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1115         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1116         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1117         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1118         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1119         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1120         Set to 1.
1121
1122 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1123
1124         * c-incpath.c (add_sysroot_to_chain): New.
1125         (merge_include_chains): Add sysroot argument.  Call
1126         add_sysroot_to_chain if sysrooted.
1127         (register_include_chains): Update call to merge_include_chains.
1128         * doc/cppopts.texi: Document use of '=' in include directory
1129         arguments.
1130
1131 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1132
1133         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1134         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1135         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1136         insn pattern using X87MODEF12 mode macro.
1137
1138 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1139
1140         * regmove.c (regmove_optimize): Use reg_mentioned_p
1141         instead of reg_overlap_mentioned_p for DST.
1142
1143 2007-03-21  Mike Stump  <mrs@apple.com>
1144
1145         * c.opt: Fixup for Objective-C/C++.
1146
1147 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1148
1149         * explow.c (convert_memory_address): Fold memory reference when
1150         POINTERS_EXTEND_UNSIGNED < 0
1151
1152 2007-03-21  Richard Henderson  <rth@redhat.com>
1153
1154         PR target/31245
1155         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1156         * config/i386/mmintrin.h (__m64): Likewise.
1157         * config/i386/xmmintrin.h (__m128): Likewise.
1158
1159 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1160
1161         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1162         (VXWORKS_OS_CPP_BUILTINS): Define.
1163         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1164         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1165
1166 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1167
1168         * rtl.h (constant_pool_reference_p): Delete.
1169         (find_constant_src): Declare.
1170         * rtlanal.c (find_constant_src): New function.
1171         * simplify-rtx.c (constant_pool_reference_p): Delete.
1172         * config/i386/i386.md: Use find_constant_src instead of
1173         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1174
1175 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1176
1177         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1178         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1179
1180 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1181
1182         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1183         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1184         (arm_elf_asm_constructor): Use it.
1185         (arm_elf_asm_destructor): New function.
1186
1187 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1188
1189         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1190
1191 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1192
1193         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1194
1195 2007-03-19  Andrew Haley  <aph@redhat.com>
1196
1197         PR tree-optimization/31264
1198         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1199         VIEW_CONVERT_EXPRs.
1200
1201 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1202
1203         PR rtl-optimization/30907
1204         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1205         (fwprop_init): Always call loop_optimizer_initialize.
1206         (fwprop_done): Always call loop_optimizer_finalize.
1207         (fwprop): We always have loop info now.
1208         (gate_fwprop_addr): Remove.
1209         (pass_fwprop_addr): Use gate_fwprop as gate.
1210
1211         PR rtl-optimization/30841
1212         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1213         df_chain_alloc): Call df_reorganize_refs unconditionally.
1214         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1215         refs_organized to refs_organized_size.
1216         (df_ref_create_structure): Use refs_organized_size instead of
1217         bitmap_size if refs had been organized, and keep refs_organized_size
1218         up-to-date.
1219         * df.h (struct df_ref_info): Change refs_organized to
1220         refs_organized_size.
1221         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1222         bitmap_size.
1223
1224 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1225
1226         * except.c (output_function_exception_table): Do not reference the
1227         EH personality routine for functions that do not require an
1228         exception table.
1229
1230 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1231
1232         PR c/30762
1233         * c-typeck.c (convert_for_assignment): Call comptypes for
1234         RECORD_TYPE or UNION_TYPE.
1235
1236         PR inline-asm/30505
1237         * reload1.c (reload): Do invalid ASM checking after
1238         cleanup_subreg_operands.
1239
1240 2007-03-19  Jeff Law  <law@redhat.com>
1241
1242         * tree-cfg.c (find_taken_edge): Tighten conditions for
1243         optimizing computed gotos.
1244
1245 2007-03-19  Michael Matz  <matz@suse.de>
1246
1247         * builtins.c (expand_builtin_sync_operation,
1248         expand_builtin_compare_and_swap,
1249         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1250         correctly.
1251
1252         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1253         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1254         for operand 3.
1255
1256 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1257
1258         * doc/tm.texi: Add brackets around the return type of
1259         TARGET_SECONDARY_RELOAD.
1260
1261 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1262         Richard Guenther  <rguenther@suse.de>
1263
1264         PR tree-optimization/31254
1265         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1266         Use handled_component_p () where appropriate.  Continue
1267         propagating into the rhs if we propagated into an INDIRECT_REF
1268         on the lhs.
1269
1270 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1271
1272         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1273         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1274         (xde, xdee): Mode attributes adjusted to support DFP modes.
1275         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1276         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1277         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1278         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1279         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1280         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1281         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1282         numbers.
1283         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1284         "movsf"): Insn definitions removed.
1285         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1286         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1287         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1288         definitions added.
1289         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1290         "reload_in<mode>", "reload_out<mode>"): Expander added.
1291         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1292         Expander removed.
1293
1294 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1295
1296         * config/s390/s390.md: Only non-functional changes.  Renamed
1297         FPR mode macro to BFP all over the file.
1298
1299 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1300
1301         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1302         (op_type attribute): RRF instruction type added.
1303         (fT0): New mode attribute.
1304         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1305         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1306         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1307         no secondary memory is needed when moving DFmode values between GPRs
1308         and FPRs.
1309
1310 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1311
1312         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1313         inverted and documentation adjusted.
1314         ("mhard-dfp", "msoft-dfp"): New options.
1315         * config/s390/s390.c (s390_handle_arch_option): New architecture
1316         switch: z9-ec.
1317         (override_options): Sanity checks for the new options added.
1318         * config.gcc: New architecture switch: z9-ec.
1319         * config/s390/s390.h (processor_flags): PF_DFP added.
1320         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1321         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1322         when the bit is NOT set so remove it from the defaults.
1323
1324 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1325
1326         * genemit.c (main): Print include statement for dfp.h.
1327         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1328         is not available.
1329
1330 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1331
1332         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1333
1334 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1335
1336         PR target/31022
1337         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1338         instead of PATTERN.
1339
1340 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1341
1342         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1343         attr_length_call, output_call, output_indirect_call): Cleanup
1344         formatting of targetm calls.
1345
1346 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1347
1348         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1349
1350 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1351
1352         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1353         reservation, bypass and anti-bypass descriptions for these instructions.
1354         Update move patterns.
1355         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1356         TYPE_FPSTORE.
1357
1358 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1359
1360         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1361         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1362         (get_initial_def_for_reduction): Likewise.
1363
1364 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1365
1366         Fix PR tree-optimization/29922
1367         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1368         (get_representative): Removed.
1369         (value_dies_in_block_x): Update for rvuse removal.
1370         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1371         (compute_antic_aux): Handle when PHI nodes appear in
1372         non-single-successors.
1373         (dump_bitmap_of_names): Removed.
1374         (compute_antic_safe): Renamed and removed rvuse calculation.
1375         Calculate only antic safe.
1376         (insert_into_preds_of_block): Remove assert.
1377         (execute_pre): Update for renamed functions.
1378         (defer_or_phi_translate_block): New function.
1379
1380 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1381
1382         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1383         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1384         typos.
1385         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1386         Follow spelling conventions.
1387
1388         * tree-data-ref.h: Remove the prototype for analyze_array.
1389
1390 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1391
1392         PR tree-optimization/31041
1393         * tree-vect-transform.c (get_initial_def_for_induction): Call
1394         force_gimple_operand.
1395
1396 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1397
1398         * ipa-type-escape.c (look_for_casts) : Revert code to use
1399         handled_component_p due to ada test a-numaux.adb.
1400
1401 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1402
1403         * final.c (final_scan_insn): Alter the condition of a
1404         conditional trap if we have nonstandard CC.
1405
1406 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1407
1408         * configure.ac: Remove excess quoting from asm line 0 test.
1409         * configure: Rebuilt.
1410
1411 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1412
1413         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1414         * c-common.c (convert_and_check): Move warning logic to...
1415         (warnings_for_convert_and_check): ...here. Define.
1416         * c-common.h (warnings_for_convert_and_check): Declare.
1417
1418 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1419
1420         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1421         (output_call): Likewise.
1422
1423 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1424
1425         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1426
1427 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1428
1429         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1430
1431 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1432
1433         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1434         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1435
1436 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1437
1438         PR tree-optimization/31183
1439         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1440         Use double_int instead of unsigned int for representing access_strides.
1441         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1442
1443 2007-03-16  Richard Guenther  <rguenther@suse.de>
1444
1445         PR tree-optimization/31146
1446         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1447         to allow recursion of forward_propagate_addr_expr.
1448         (forward_propagate_addr_into_variable_array_index): Likewise.
1449         (forward_propagate_addr_expr): Likewise.
1450         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1451         (forward_propagate_addr_expr_1): Recurse on simple copies
1452         instead of propagating into them.  Do so for useless conversions
1453         as well.
1454         (forward_propagate_addr_expr): Clean up unused statements after
1455         recursion.
1456
1457 2007-03-16  Richard Guenther  <rguenther@suse.de>
1458
1459         * builtins.c (expand_builtin_cexpi): Use the right argument
1460         for the expansion via cexp.
1461
1462 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1463
1464         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1465         * configure: Rebuilt.
1466
1467 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1468
1469         PR debug/29906
1470         * dwarf2out.c (force_type_die): Adjust comment.
1471         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1472
1473 2007-03-15  DJ Delorie  <dj@redhat.com>
1474
1475         * config/frv/predicates.md (minmax_operator): Don't check operands
1476         here.
1477
1478 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1479
1480         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1481         Update constant estimates of number of iterations.
1482         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1483         argument renamed to "realistic".
1484         (compute_estimated_nb_iterations): Removed.
1485         (record_niter_bound): New function.
1486         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1487         call record_nonwrapping_iv with upper = false.
1488         (infer_loop_bounds_from_signedness): Pass upper argument to
1489         record_nonwrapping_iv.
1490         (estimate_numbers_of_iterations_loop): Do not call
1491         compute_estimated_nb_iterations.  Record estimate based on profile
1492         information.  Initialize the constant estimates of number of
1493         iterations.
1494         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1495         estimates.
1496         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1497         number of iterations is too small.
1498         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1499         (EST_NOT_AVAILABLE): Removed.
1500         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1501         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1502         fields.
1503
1504 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1505
1506         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1507         Handle NE_EXPR guards.
1508
1509 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1510
1511         PR c++/24924
1512         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1513         Set also -pedantic-errors by default for the  preprocessor unless
1514         -fpermissive is given.
1515
1516 2007-03-15  Richard Guenther  <rguenther@suse.de>
1517
1518         PR middle-end/29719
1519         PR middle-end/31161
1520         * builtins.c (expand_builtin_cexpi): As a fallback if we
1521         don't have builtins for sincos or cexp create a function
1522         declaration for cexp and expand to a call to that.
1523         (expand_builtin_int_roundingfn): Always fall
1524         back to floor/ceil and its variants even if they may be
1525         not available.
1526
1527 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1528
1529         PR middle-end/31159
1530         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1531         jump tables, move the call to delete_dead_jumptables from here...
1532         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1533         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1534         don't allow merging of blocks that try_redirect_by_replacing_jump
1535         also does not handle when not optimizing.
1536
1537 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1538             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1539
1540         * config/i386/i386.md (x86_sahf_1): Correctly handle
1541         HAVE_AS_IX86_SAHF.
1542
1543 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1544
1545         PR target/31167
1546         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1547         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1548         from operand constraints and use "e" constraint instead.
1549         (*subti3_1, *subti3_1 splitter): Ditto.
1550         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1551         operand[1] predicate.
1552
1553 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1554
1555         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1556         arrays, multiply the access strides by the size of the sub-array.
1557         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1558
1559 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1560
1561         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1562         the configured assembler supports the sahf mnemonic.
1563         * configure: Regenerate.
1564         * config.in: Regenerate.
1565
1566         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1567         emit "sahf" or ".byte\t0x9e" as asm template.
1568
1569 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1570
1571         PR 31018
1572         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1573         option to replace hard coded TARGET_xxx in md file.
1574         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1575         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1576         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1577         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1578         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1579         (X86_TUNE_NOT_VECTORMODE): Ditto.
1580         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1581         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1582         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1583         (TUNE_SLOW_IMUL_IMM8): Ditto.
1584         (TUNE_MOVE_M1_VIA_OR): Ditto.
1585         (TUNE_NOT_UNPAIRABLE): Ditto.
1586         (TUNE_NOT_VECTORMODE): Ditto.
1587
1588         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1589         options.
1590
1591         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1592         tuning options instead of hard coded TARGET_xxx.
1593         (fix ssemode peephole2's): Ditto.
1594         (imul peephole2's): Ditto.
1595         (movsi_or): Ditto.
1596         (movdi_or_rex64): Ditto.
1597         (move peephole2): Ditto.
1598         (not peephole2's): Ditto.
1599
1600 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1601
1602         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1603         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1604         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1605         of empty body.
1606         * c-parser.c (c_parser_do_statement): Warn about empty body in
1607         do/while statement.
1608         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1609         * doc/invoke.texi (-Wempty-body): Update documentation.
1610
1611 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1612
1613         PR c/21438
1614         * c-common.h (warn_for_div_by_zero): Declare.
1615         * c-common.c (warn_for_div_by_zero): Define.
1616         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1617         warning.
1618
1619 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1620
1621         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1622         to PREFIX and STANDARD_PREFIX.
1623
1624 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1625             Phil Edwards  <phil@codesourcery.com>
1626
1627         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1628         (__gthread_once_t): Remove busy field for RTPs.
1629         (__GTHREAD_ONCE_INIT): Update accordingly.
1630
1631 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1632
1633         * doc/invoke.texi: Document VxWorks options.
1634
1635 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1636
1637         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1638
1639 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1640
1641         PR tree-optimization/30590
1642         * tree-nrv.c (tree_nrv): Check for the partial update of the
1643         return value.
1644
1645 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1646
1647         * flags.h (flag_random_seed): Remove declaration, in favor of...
1648         * toplev.h (get_random_seed, set_random_seed): ... these.
1649         * tree.c (get_file_function_name): Use the former.
1650         * opts.c (common_handle_option): Use the latter.
1651         * toplev.c
1652
1653 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1654
1655         PR middle-end/31127
1656         * cse.c (cse_find_path): Do not bail out if a basic block that
1657         we already visited now becomes part of a path that starts at a
1658         different basic block.  Just disallow this, to make sure we
1659         visit each basic block at most once.
1660
1661 2007-03-13  Jan Hubicka  <jh@suse.cz>
1662
1663         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1664         when profile esitmate is present, calls with very low frequency are
1665         cold.
1666
1667 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1668
1669         PR tree-optimization/30730
1670         PR tree-optimization/26900
1671         * tree-ssa-loop-niter.c: Include gmp.h.
1672         (bounds): New type.
1673         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1674         split_to_var_and_offset, determine_value_range,
1675         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1676         bound_difference, bounds_add, bounds_negate,
1677         number_of_iterations_ne_max, dump_affine_iv): New functions.
1678         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1679         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1680         difference of initial and final value of control iv to validate
1681         results.
1682         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1683         on the difference of the extremes of the control iv.  Add dumps.
1684         (expand_simple_operations): Handle phi nodes.
1685         (simplify_using_initial_conditions): Do not record used conditions.
1686         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1687         Do not set additional_info.
1688         (implies_nonnegative_p, implies_ge_p): Removed.
1689         (derive_constant_upper_bound): Do not use parameter `additional'.
1690         (record_estimate): Parameter `additional' removed.  Parameter
1691         `i_bound' added.  Do not call derive_constant_upper_bound.
1692         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1693         bound the number of iterations estimate.
1694         (estimate_numbers_of_iterations_loop): Pass the estimate from
1695         the number of iterations analysis to record_estimate.
1696         * tree.h (multiple_of_p): Declare.
1697         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1698         (scev_const_prop): Do not check expression_expensive_p.
1699         * fold-const.c (multiple_of_p): Exported.
1700         * double-int.c (double_int_mask): Exported.
1701         * double-int.h (double_int_mask): Declare.
1702         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1703         field.  Added max field.
1704
1705 2007-03-13  David Taylor  <taylor@candd.org>
1706
1707         PR driver/12448:
1708         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1709         default -MQ.
1710
1711 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1712
1713         PR target/31123
1714         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1715         two unamed patterns.
1716
1717 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1718
1719         * config/i386/i386.opt (mcx16, msahf): New options.
1720         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1721         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1722
1723         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1724         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1725         Output -mcx16 and -msahf options when corresponding bit is set.
1726
1727         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1728         and -msahf options.
1729
1730 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1731
1732         * configure.ac: Test for assembler tolerance to # 0 "".
1733         * configure, config.in: Rebuilt.
1734         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1735
1736 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1737
1738         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1739
1740         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1741         (handle_syscall): Handle direct system calls.
1742         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1743
1744 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1745
1746         * doc/invoke.texi: Fix cpp.info cross-reference.
1747         * doc/passes.texi: Fix gcc.info cross-reference.
1748
1749 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1750
1751         PR tree-optimization/30835
1752         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1753         bb_for_stmt is not NULL before accessing it.
1754
1755 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1756
1757         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1758         some multilibs.
1759
1760 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1761
1762         PR 30635
1763         * doc/install.texi: Document --enable-stage1-languages
1764
1765 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1766
1767         * tree-pass.h (pass_into_cfg_layout_mode,
1768         pass_outof_cfg_layout_mode): Declare.
1769         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1770         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1771         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1772         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1773
1774 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1775
1776         * c-decl.c (warn_variable_length_array): New function.
1777         Refactored from grokdeclarator to handle warn_vla
1778         and handle unnamed array case.
1779         (grokdeclarator): Refactored VLA warning case.
1780         * c.opt (Wvla): New flag.
1781         * doc/invoke.texi (Wvla): New warning.
1782
1783 2007-03-12  Richard Henderson  <rth@redhat.com>
1784
1785         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1786         (TARGET_SECTION_TYPE_FLAGS): New.
1787
1788 2007-03-12  Richard Henderson  <rth@redhat.com>
1789
1790         * config/darwin.c (machopic_reloc_rw_mask): New.
1791         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1792         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1793
1794 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1795
1796         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1797         * cppdefault.h (cpp_PREFIX): Document.
1798         (cpp_PREFIX_len): Likewise.
1799         (cpp_EXEC_PREFIX): New variable.
1800         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1801         * c-incpath.c (add_standard_paths): Correct logic for relocating
1802         paths within prefix.
1803
1804 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1807         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1808         mode macro.
1809         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1810         fix_truncdfdi_sse using SSEMODEF mode macro.
1811         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1812         fix_truncdfsi_sse using SSEMODEF mode macro.
1813         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1814         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1815
1816 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1817
1818         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1819         elfos.h to tm_file.
1820
1821 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1822
1823         * tree.h : Add multiple_of_p declaration.
1824         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1825         * ipa-type-escape.c (results_of_malloc): Redundant.
1826         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1827         (cast_type): Extended with new members.
1828         (check_cast): Returns cast_type.
1829         (cast): New structure for data of walk_use_def_chains.
1830         (is_malloc_result, is_cast_from_non_pointer_1,
1831         is_cast_from_non_pointer,
1832         is_array_access_through_pointer_and_index): New functions.
1833         (look_for_casts): Returns cast types.
1834         (check_call): Returns void.
1835         (okay_pointer_operation): Use support of pointer plus index,
1836         pointer plus constant and allow all multiplications.
1837
1838 2007-03-11  Richard Guenther  <rguenther@suse.de>
1839
1840         PR tree-optimization/31115
1841         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1842         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1843         A shift count of zero is not special as with *_DIV_EXPR.
1844         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1845         direction.
1846
1847 2007-03-11  Ian Lance Taylor  <iant@google.com>
1848
1849         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1850         the *_DIV_EXPR codes correctly with overflow infinities.
1851
1852 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1853
1854         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1855         indicate success/failure of the analysis. Add negation to subtrahend
1856         in case of subtraction. Fail if both operands contain constants.
1857         (create_data_ref): Fail if analyze_offset fails.
1858
1859 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1860
1861         * config/i386/i386.md (frndintxf2): Rename to ...
1862         (rintxf2): ... this. Remove expander having same name.
1863         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1864         (roundsf2, rounddf2): Ditto.
1865         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1866         (lround<mode>di2, lround<mode>si2): Ditto.
1867
1868 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1869
1870         * lower-subreg.c: Include except.h.
1871         (decompose_multiword_subregs): Verify that the only control flow
1872         insns we can split are loads to multi-words pseudos.
1873         Handle breaking such blocks after splitting, instead of calling
1874         find_many_sub_basic_blocks.
1875
1876         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1877         on the new basic block.  Add a lengthy comment explaining why we
1878         thought this was necessary.
1879         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1880
1881 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1882
1883         PR c++/30924
1884         * tree.c (walk_type_fields): Recurse into the element type of
1885         ARRAY_TYPEs if there is a pointer set.
1886
1887 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1888
1889         * c-common.c (warn_logical_operator): Fix condition.
1890
1891 2007-03-10  Tobias Schl├╝ter  <tobi@gcc.gnu.org>
1892
1893         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1894         quotation mark.
1895         * config/darwin.c (machopic_select_section): Remove superfluous
1896         argument in call to categorize_decl_for_section.  Remove unused
1897         variable shlib.
1898
1899 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1900
1901         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1902         defined.
1903         * configure: Regenerate.
1904
1905 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1906
1907         PR target/31101
1908         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1909         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1910         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1911         Add LABEL_NUSES to emitted label.
1912         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1913         branch probability value to emitted jump insn.
1914         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1915         Do not check life information and do not re-arrange input operands
1916         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1917
1918 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1919
1920         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1921         the change of decode_asm_operands.
1922
1923 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1924
1925         * mode-switching.c (create_pre_exit): Skip blockage insn.
1926
1927 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1928
1929         * tree-pass.h (TODO_update_smt_usage): Remove.
1930         Update all users.
1931         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1932         argument SOME.
1933         Update all users.
1934
1935 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1936
1937         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1938         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1939         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1940         SOM target.
1941
1942 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1943
1944         * gcc.c: Document %{, in big comment at top.
1945         (input_suffix_matches): Remove special handling for .s and
1946         .S.
1947         (input_spec_matches): New.
1948         (handle_braces): Handle %{,.
1949         (validate_switches): ',' indicates a value which is not a switch.
1950         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1951         to detect assembler input.
1952         * config/i386/sol2.h (CPP_SPEC): Likewise.
1953         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1954         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1955         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1956         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1957         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1958         -m64 causes deployment target to default to 10.5.
1959         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1960
1961 2007-03-09  Richard Henderson  <rth@redhat.com>
1962
1963         PR target/26090
1964         * target.h (targetm.asm.out.reloc_rw_mask): New.
1965         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1966         (TARGET_ASM_OUT): Use it.
1967         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1968         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1969         use the new reloc_rw_mask target hook instead.
1970         (default_section_type_flags_1): Merge into...
1971         (default_section_type_flags): ... here.
1972         (decl_readonly_section_1): Merge into...
1973         (decl_readonly_section): ... here.
1974         (default_elf_select_section_1): Merge into...
1975         (default_elf_select_section): ... here.
1976         (default_unique_section_1): Merge into...
1977         (default_unique_section): ... here.
1978         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1979         (default_select_rtx_section): Use it.
1980         (default_elf_select_rtx_section): Likewise.
1981         * output.h: Update to match.
1982         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1983         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1984         (TARGET_ASM_RELOC_RW_MASK): New.
1985         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1986         to categorize_decl_for_section.
1987         (x86_64_elf_unique_section): Likewise.
1988         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1989         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1990         (TARGET_ASM_RELOC_RW_MASK): New.
1991         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1992         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1993         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1994         (TARGET_RWRELOC): Remove.
1995         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1996         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1997         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1998         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1999         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2000         (rs6000_xcoff_select_section): Use decl_readonly_section.
2001         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2002         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2003         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2004         (TARGET_SECTION_TYPE_FLAGS): Remove.
2005         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2006
2007 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2008
2009         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2010         complex constant equality/inequality comparisons for here.
2011         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2012         known at compile-time or can be simplified to a scalar comparison.
2013         (fold_relational_const): Move compile-time evaluation of complex
2014         constant equality/inequality comparisons to here.
2015
2016 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2017
2018         PR rtl-optimization/30643
2019         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2020         dest_addr_elt.
2021         (fold_rtx): Recurse, like before 2006-11-03.
2022
2023 2007-03-09  DJ Delorie  <dj@redhat.com>
2024
2025         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2026         m32c-pragma.o.
2027
2028 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2029
2030         PR tree-optimization/30375
2031         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2032         LHS of statements is not the same.
2033         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2034
2035 2007-03-09  Chao-ying Fu  <fu@mips.com>
2036
2037         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2038         REV 2.
2039         * doc/invoke.texi (-mdspr2): Document new option.
2040         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2041         New unspec for DSP REV 2.
2042         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2043         these instructions are extended in DSP REV 2.
2044         (mips-dspr2.md): Include.
2045         * config/mips/mips.opt (mdspr2): New option.
2046         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2047         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2048         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2049         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2050         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2051         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2052         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2053         and 2 builtins.
2054         (bdesc_map): Add one field of unsupported_target_flags.
2055         (bdesc_arrays):  Update entries to have extra fields.  Add
2056         dsp_32only_bdesc.
2057         (mips_init_builtins): Initialize new function types.
2058         Check unsupported_target_fileds to filter out builtins.
2059         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2060         TARGET_DSPR2.
2061         (ASM_SPEC): Pass mdspr2 to the assembler.
2062         * config/mips/mips-dspr2.md: New file.
2063
2064 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2065
2066         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2067
2068 2007-03-09  Ian Lance Taylor  <iant@google.com>
2069
2070         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2071         argument) like -Wstrict-overflow=2.
2072         * doc/invoke.texi (Warning Options): Update documentation.
2073
2074 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2075
2076         PR c++/17946
2077         * doc/invoke.texi (-Wlogical-op): Document.
2078         * common.opt (-Wlogical-op): New.
2079         * c-common.h (warn_logical_operator): Declare.
2080         * c-common.c (warn_logical_operator): Define.
2081         * c-typeck.c (parser_build_binary_op): Call
2082         warn_logical_operator.
2083
2084 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2085
2086         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2087         * final.c (final_scan_insn): Test for non-"" file name.
2088
2089 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2090
2091         * doc/loop.texi: Document the Omega linear constraints solver.
2092         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2093         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2094         omega-hash-table-size, omega-max-keys, and
2095         omega-eliminate-redundant-constraints.
2096         * tree-pass.h (pass_check_data_deps): Declared.
2097         * omega.c: New.
2098         * omega.h: New.
2099         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2100         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2101         pass_check_data_deps): New.
2102         * tree-data-ref.c (init_data_ref): Remove declaration.
2103         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2104         (analyze_array): Renamed init_array_ref, move up initializations.
2105         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2106         Removed arguments that are set to NULL.
2107         (analyze_indirect_ref): Correct indentation, correct call to
2108         init_pointer_ref.
2109         (object_analysis): Call init_array_ref instead of analyze_array.
2110         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2111         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2112         of DR_ACCESS_FNS_ADDR.
2113         (init_omega_eq_with_af, omega_extract_distance_vectors,
2114         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2115         ddr_consistent_p): New.
2116         (compute_affine_dependence): Check consistency of ddrs when
2117         flag_check_data_deps is passed.
2118         (analyze_all_data_dependences): Uncomment.
2119         (tree_check_data_deps): New.
2120         * tree-data-ref.h: Include omega.h.
2121         (DR_ACCESS_FNS_ADDR): Removed.
2122         (data_dependence_relation): Add inner_loop.
2123         (DDR_INNER_LOOP): New.
2124         * common.opt (fcheck-data-deps): New.
2125         * tree-flow.h (tree_check_data_deps): Declare.
2126         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2127         (OBJS-common): Depend on omega.o.
2128         (omega.o): Define.
2129         * passes.c (pass_check_data_deps): Scheduled.
2130         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2131         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2132         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2133         PARAM_VECT_MAX_VERSION_CHECKS,
2134         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2135
2136 2007-03-09  Richard Guenther  <rguenther@suse.de>
2137
2138         PR tree-optimization/30904
2139         PR middle-end/31058
2140         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2141         the same way as *_DIV_EXPR.
2142
2143 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2144
2145         * recog.c (decode_asm_operands): No mixed declarations and code.
2146
2147 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2148
2149         * rtl.def (ASM_INPUT): Add location.
2150         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2151         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2152         (decode_asm_operands): Add loc operand.
2153         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2154         * stmt.c (expand_asm): Rename to...
2155         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2156         gen_rtx_ASM_INPUT_loc.
2157         (expand_asm_expr): Adjust.
2158         * recog.c (decode_asm_operands): Add loc operand.
2159         (check_asm_operands, extract_insn): Adjust.
2160         * reload1.c (maybe_fix_stack_asms): Likewise.
2161         * final.c (asm_insn_count): Likewise.
2162         (final_scan_insn): Output # line before and after asm.
2163
2164 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2165
2166         * tree-ssa-structalias.c (variable_info): Remove
2167         finished_solution.
2168         (new_var_info): Ditto.
2169         (shared_bitmap_info_t): New structure.
2170         (shared_bitmap_table): New variable.
2171         (shared_bitmap_hash): New function.
2172         (shared_bitmap_eq): Ditto
2173         (shared_bitmap_lookup): Ditto.
2174         (shared_bitmap_add): Ditto.
2175         (merge_smts_into): Change to take bitmap directly.
2176         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2177         (init_alias_vars): Init shared bitmap hashtable.
2178         (delete_points_to_sets): Delete shared bitmap hashtable.
2179         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2180         is_aliased removal as a change that was still necessary was
2181         deleted.
2182
2183 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2184
2185         * config/i386/i386.h (override_options): Conditionally disable
2186         x86_sahf for 64bit targets only.
2187
2188 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2189
2190         PR C/31072
2191         * c-decl.c (merge_decls): Don't call make_var_volatile.
2192         * varasm.c (make_var_volatile): Remove.
2193         * output.h (make_var_volatile): Remove.
2194
2195 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2196
2197         PR tree-optimization/31085
2198         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2199
2200 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2201
2202         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2203         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2204         ATTR_CONST_NOTHROW_LIST.
2205
2206         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2207         FIX_TRUNC_EXPR.
2208
2209 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2210
2211         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2212
2213 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2214
2215         PR 31013
2216         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2217         is declared.
2218         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2219         passed, use shared libgcc.
2220
2221 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2222
2223         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2224         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2225         (honor_protect_cleanup_actions, lower_try_finally_switch):
2226         Likewise.
2227         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2228         ifc_temp_var): Likewise.
2229         * tree-inline.c (setup_one_parameter): Likewise.
2230         * tree-mudflap.c (mf_decl_cache_locals,
2231         mf_build_check_statement_for): Likewise.
2232         * tree-nested.c (init_tmp_var, save_tmp_var,
2233         finalize_nesting_tree_1): Likewise.
2234         * tree-outof-ssa.c (insert_copy_on_edge,
2235         insert_backedge_copies): Likewise.
2236         * tree-profile.c (tree_gen_edge_profiler,
2237         tree_gen_ic_profiler): Likewise.
2238         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2239         * tree-sra.c (sra_build_assignment): Likewise.
2240         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2241         * tree-ssa-math-opts.c (insert_reciprocals,
2242         execute_cse_sincos_1): Likewise.
2243         * tree-tailcall.c (adjust_accumulator_values,
2244         adjust_return_value): Likewise.
2245         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2246         * tree-vect-transform.c (vect_create_data_ref_ptr,
2247         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2248         vect_create_epilog_for_reduction, vectorizable_reduction,
2249         vectorizable_call, vectorizable_conversion,
2250         vectorizable_assignment, vectorizable_operation,
2251         vectorizable_type_demotion, vect_gen_widened_results_half,
2252         vect_permute_store_chain, vectorizable_store,
2253         vect_setup_realignment, vect_permute_load_chain,
2254         vectorizable_load, vectorizable_condition,
2255         vect_create_cond_for_align_checks): Likewise.
2256         * tree-vrp.c (build_assert_expr_for): Likewise.
2257
2258 2007-03-08  Ian Lance Taylor  <iant@google.com>
2259
2260         * tree-vrp.c: Include "intl.h".
2261         (usable_range_p): New static function.
2262         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2263         overflowed values, juts set *strict_overflow_p.
2264         (compare_values): Only return -2 if one of the operands is not a
2265         constant.
2266         (compare_ranges): Call usable_range_p.
2267         (compare_range_with_value): Likewise.
2268         (vrp_evaluate_conditional_warnv): Rename from
2269         vrp_evaluate_conditional.  Make static.  Change all callers.
2270         (vrp_evaluate_conditional): New function.
2271         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2272         on signed overflow.
2273         (simplify_abs_using_ranges): Likewise.
2274         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2275         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2276         within_stmt parameter.
2277         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2278         vrp_evaluate_conditional.
2279         * tree-ssa-threadedge.c
2280         (record_temporary_equivalences_from_stmts_at_dest): Change
2281         simplify parameter to take a second tree parameter.
2282         (simplify_control_stmt_condition): Likewise.
2283         (thread_across_edge): Likewise.
2284         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2285         (thread_across_edge): Likewise.
2286         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2287
2288 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2289
2290         * config/i386/i386.h (TARGET_SAHF): New define.
2291         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2292         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2293         (x86_sahf): New global variable.
2294         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2295         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2296         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2297         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2298         for 64-bit.
2299         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2300         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2301         when expanding fcomi/sahf based tests.
2302         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2303         expanding sahf based alternative. Emit sahf based sequence when
2304         optimizing for code size.
2305         * config/i386/i386.md (x86_sahf_1): Do not disable for
2306         TARGET_64BIT, enable for TARGET_SAHF.
2307
2308 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2309
2310         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2311         spurious whitespace from error message.
2312
2313 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2314
2315         PR c++/30852
2316         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2317
2318 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2319
2320         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2321         bitfields.
2322         * tree-sra.c (instantiate_element): Propagate disabled warnings
2323         from the element itself to the created variable.
2324
2325 2007-03-07  Richard Henderson  <rth@redhat.com>
2326
2327         PR target/30848
2328         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2329         silently fix up the stack in the case of a missing register.
2330
2331 2007-03-07  Paul Brook  <paul@codesourcery.com>
2332
2333         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2334
2335 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2336
2337         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2338         New.
2339         (phase1_vrs): Use them.
2340         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2341         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2342         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2343         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2344         __gnu_Unwind_Restore_WMMXC if required.
2345         (_Unwind_VRS_Pop): Implement iWMMXt support.
2346         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2347         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2348         gnu_Unwind_Save_WMMXC): Define.
2349
2350 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2351
2352         * config/vxworks.h (vxworks_override_options): Declare.
2353         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2354         * config/vxworks.c: Include target.h and toplev.h.
2355         (vxworks_override_options): New function.
2356         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2357
2358 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2359
2360         * config/s390/s390.c (override_options): Don't emit an error when
2361         -mstack-size is used without providing -mstack-guard.
2362         (s390_emit_prologue): Choose stack_guard value automatically if not
2363         provided via command line.
2364         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2365
2366 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2367
2368         * config/i386/i386.c (output_set_got): Add a GOT initialization
2369         sequence for VxWorks PIC.
2370         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2371         around labels as well as symbols.  Use gotoff_operand instead
2372         of local_symbolic_operand.
2373         (legitimize_pic_address): Use gotoff_operand instead of
2374         local_symbolic_operand.  Use @GOT accesses for labels as
2375         well as symbols.
2376         (ix86_output_addr_diff_elt): Use PC-relative rather than
2377         GP-relative offsets for VxWorks PIC.
2378         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2379         no_new_pseudos.  Check whether the returned register is op0.
2380         * config/i386/i386.md (tablejump): Use PC-relative rather than
2381         GP-relative offsets for VxWorks PIC.
2382         * config/i386/predicates.md (gotoff_operand): New predicate.
2383
2384 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2385
2386         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2387         before defining.
2388         * config/vxworks-dummy.h: New file.
2389         * config/i386/i386.h: Include it.
2390
2391 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2392
2393         * dwarf2out.c (is_inlined_entry_point): New
2394         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2395         DW_AT_ranges if the first subblock is the entry point.
2396
2397 2007-03-06  David Daney  <ddaney@avtrex.com>
2398
2399         * doc/install.texi (mips-*-*): Change recommended binutils
2400         version.
2401
2402 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2403
2404         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2405         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2406         devices.
2407         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2408         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2409
2410 2007-03-06  Jan Hubicka  <jh@suse.cz>
2411
2412         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2413         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2414         are hot.
2415         (probably_cold_bb_p): Cold functions are cold.
2416         (probably_never_executed_bb_p): Cold functions are cold.
2417         (tree_bb_level_predictions): Predict calls to cold functions as not
2418         taken.
2419         (compute_function_frequency): Check hot/cold attributes.
2420         * function.h (function_frequency): Update comments.
2421         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2422         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2423         (c_common_att): Add cold and hot.
2424
2425         * doc/extend.texi (hot,cold attributes): Document.
2426
2427 2007-03-06  Andrew Haley  <aph@redhat.com>
2428
2429         * function.c (expand_function_end): Move blockage to just after we
2430         emit the label for the naked return from the function.
2431
2432 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2433
2434         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2435         before redefining.
2436
2437 2007-03-06  Jan Hubicka  <jh@suse.cz>
2438
2439         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2440         loaded for constant large models.  Non-large 64bit PIC can do.
2441         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2442         * cmodel.h: Add LARGE PIC.
2443         * i386.md (UNSPEC_PLTOFF): New.
2444         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2445         needed.
2446         (*call_1_rex64): Disable for large models.
2447         (*call_1_rex64_large): New.
2448         (*call_value_1_rex64): Disable for large models.
2449         (*call_value_1_rex64_large): New.
2450         (set_rip_rex4): New.
2451         (set_got_offset_rex64): New.
2452         * predicates.md (constant_call_address_operand): For large model
2453         constant calls are not possible.
2454         * i386-protos.h (construct_plt_address): Declare.
2455         * i386.c (override_options): Accept large models.
2456         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2457         (legitimate_constant_p): Add new UNSPECs.
2458         (legitimate_pic_operand_p): Likewise.
2459         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2460         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2461         non-large model.
2462         (output_pic_addr_const): Add PLTOFF.
2463         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2464         (ix86_expand_move): Legitimize pic address when in PIC mode.
2465         (construct_plt_address): New function.
2466         (ix86_expand_call): Offload the address to register and use GOT pointer
2467         for large model.
2468         * invoke.texi (mcmodel=large): Update documentation.
2469
2470 2007-03-06  Richard Henderson  <rth@redhat.com>
2471
2472         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2473         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2474         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2475         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2476         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2477         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2478         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2479         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2480         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2481         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2482         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2483         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2484         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2485         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2486         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2487         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2488         x86_schedule, x86_use_bt, x86_pad_returns,
2489         x86_use_xchgb): Merge into ...
2490         (ix86_tune_features): ... here.  New array.
2491         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2492         x86_bswap): Merge into ...
2493         (ix86_arch_features): ... here.  New array.
2494         (x86_3dnow_a): Remove.
2495         (x86_accumulate_outgoing_args): Make static.
2496         (x86_arch_always_fancy_math_387): Make static.
2497         (ix86_tune_mask, ix86_arch_mask): Move ...
2498         (override_options): ... to local variables here.  Apply the
2499         appropriate mask to each element of ix86_arch_features and
2500         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2501         as were done in the old macros.
2502         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2503         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2504         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2505         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2506         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2507         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2508         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2509         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2510         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2511         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2512         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2513         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2514         x86_accumulate_outgoing_args, x86_prologue_using_move,
2515         x86_epilogue_using_move, x86_decompose_lea,
2516         x86_arch_always_fancy_math_387, x86_shift1,
2517         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2518         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2519         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2520         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2521         x86_use_incdec, x86_pad_returns, x86_bswap,
2522         x86_partial_flag_reg_stall): Remove.
2523         (enum ix86_tune_indices): New.
2524         (ix86_tune_features): New.
2525         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2526         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2527         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2528         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2529         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2530         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2531         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2532         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2533         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2534         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2535         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2536         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2537         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2538         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2539         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2540         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2541         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2542         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2543         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2544         TARGET_EXT_80387_CONSTANTS): Use it.
2545         (enum ix86_arch_indices): New.
2546         (ix86_arch_features): New.
2547         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2548         TARGET_BSWAP): Use it.
2549         (ix86_tune_mask, ix86_arch_mask): Remove.
2550
2551 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2552
2553         PR bootstrap/31020
2554         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2555         Define using $${sysroot_headers_suffix}.
2556         * configure: Regenerate.
2557         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2558         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2559         defined.
2560         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2561         * gcc.c (print_sysroot_headers_suffix): New.
2562         (option_map): Include --print-sysroot-headers-suffix.
2563         (display_help): Mention -print-sysroot-headers-suffix.
2564         (process_command): Handle -print-sysroot-headers-suffix.
2565         (do_spec_1): Append multilib directory to include-fixed path if
2566         sysroot suffixes in use.
2567         (main): Handle -print-sysroot-headers-suffix.
2568         * Makefile.in (start.encap): Don't depend on xlimits.h
2569         (xlimits.h): Remove.
2570         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2571         limits.h for each multilib in fixinc_list.
2572         (fixinc_list, s-fixinc_list): New.
2573         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2574         generate them for each multilib in fixinc_list.
2575         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2576         multilib in fixinc_list.
2577         (mostlyclean): Don't remove xlimits.h.
2578         (clean): Remove include-fixed.
2579         (real-install-headers-tar, real-install-headers-cpio,
2580         real-install-headers-cp): Don't copy include, only include-fixed.
2581         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2582         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2583         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2584         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2585
2586 2007-03-06  Jan Hubicka  <jh@suse.cz>
2587
2588         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2589         NANs easilly.
2590
2591 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2592
2593         * configure.ac: Allow tm_file to contain build-directory files.
2594         * configure: Regenerate.
2595         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2596         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2597         * config/m68k/print-sysroot-suffix.sh: New file.
2598
2599 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2600
2601         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2602         of pic_offset_table_rtx if reload_completed.
2603         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2604         PIC_OFFSET_TABLE_REGNUM.
2605         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2606         return true.
2607         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2608         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2609
2610 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2611
2612         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2613         functions that call eh_return.
2614
2615 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2616
2617         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2618         functions that need a constant pool.
2619
2620 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2621
2622         PR target/28181
2623         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2624         (m68k_preferred_reload_class): Likewise.
2625         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2626         (SECONDARY_RELOAD_CLASS): Define.
2627         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2628         (LIMIT_RELOAD_CLASS): Delete.
2629         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2630         registers from storing bytes.
2631         (m68k_secondary_reload_class): New function.
2632         (m68k_preferred_reload_class): Likewise.
2633
2634 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2635
2636         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2637         leaf functions.
2638         (m68k_expand_prologue): Likewise.
2639
2640 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2641
2642         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2643         (mips_expand_epilogue): Add a bool parameter.
2644         (m68k_legitimize_sibcall_address): Declare.
2645         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2646         (m68k_expand_epilogue): Add a parameter to select between sibling
2647         and normal epilogues.  Only generate a return for the latter.
2648         (m68k_ok_for_sibcall_p): New function.
2649         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2650         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2651         (sibcall_value, *sibcall_value): Likewise.
2652         (*call, *call_value): Require !SIBLING_CALL_P.
2653         (epilogue): Update call to m68k_expand_epilogue.
2654         (sibcall_epilogue): New pattern.
2655         * config/m68k/predicates.md (const_call_operand): Say that this
2656         predicate applies to sibling calls too.
2657         (sibcall_operand): New predicate.
2658
2659 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2660
2661         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2662         alternatives as movsi_cf.
2663         (movsf_cf_hard): Add commentary.
2664
2665 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2666             Richard Sandiford  <richard@codesourcery.com>
2667
2668         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2669         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2670         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2671         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2672         as being live on exit from an interrupt function.
2673         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2674         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2675         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2676         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2677         (m68k_interrupt_function_p): Globalize.
2678         (m68k_compute_frame_layout): Remove reverse mask code.
2679         (m68k_emit_movem, m68k_set_frame_related): New functions.
2680         (m68k_output_function_prologue): Delete in favor of...
2681         (m68k_expand_prologue): ...this new function.
2682         (m68k_output_function_epilogue): Delete in favor of...
2683         (m68k_expand_epilogue): ...this new function.
2684         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2685         functions.
2686         (print_operand): Handle %?.
2687         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2688         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2689         (prologue, epilogue): New patterns.
2690         (return): Turn into a define_expand.
2691         (*return): New pattern, derived from old "return" pattern.  Use rte
2692         rather than rts for interrupt functions.  Only use rtd if the pop
2693         count is nonzero.
2694         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2695         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2696         (link, *link, unlink, *unlink, load_got): Likewise.
2697
2698 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2699
2700         PR target/23482
2701         PR target/17114
2702         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2703         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2704         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2705         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2706         and m68k_matches_u_p.
2707         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2708         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2709         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2710         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2711         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2712         (REG_STRICT_P): New macro.
2713         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2714         PCREL_GENERAL_OPERAND_OK.
2715         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2716         m68k_legitimate_base_reg_p.
2717         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2718         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2719         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2720         * config/m68k/m68k.c (m68k_address): New structure.
2721         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2722         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2723         (m68k_jump_table_ref_p, m68k_decompose_address)
2724         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2725         (m68k_matches_u_p): New functions.
2726         (print_operand_address): Rewrite to use m68k_decompose_index.
2727
2728 2007-03-05  David Taylor  <dtaylor@emc.com>
2729
2730         * gcc.c: Correct copyright date in --version output.
2731
2732 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2733
2734         * pa.md: In unamed move patterns, disparge copies between general
2735         and floating point registers using '?' modifier.  Don't include 'f'
2736         constraint for register preferences in DImode, SImode, HImode and
2737         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2738         Remove constraints for copies between general and floating registers
2739         in soft-float DFmode pattern.
2740         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2741         floating register.
2742         (movsf): Likewise.
2743
2744 2007-03-05  Mike Stump  <mrs@apple.com>
2745
2746         * c-common.c (targetcm): Add.
2747         * c-opts.c (c_common_handle_option): Handle language specific
2748         target options.
2749         * opts.c (handle_option): Verify language for target options, if
2750         any are given.
2751         * opth-gen.awk: Add CL_LANG_ALL.
2752         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2753         (TARGETCM_INITIALIZER): Add.
2754         * target.h (struct gcc_targetcm): Add.
2755         (targetcm): Add.
2756         * targhooks.c (default_handle_c_option): Add.
2757         * targhooks.h (default_handle_c_option): Add.
2758         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2759
2760         * config/darwin.opt (iframework): Add.
2761         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2762         * config/darwin-c.c (handle_c_option): Add.
2763         (TARGET_HANDLE_C_OPTION): Add.
2764         (targetcm): Add.
2765         * doc/invoke.texi (Darwin Options): Add -iframework.
2766
2767 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2768
2769         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2770         conversion.
2771
2772 2007-03-05  Ian Lance Taylor  <iant@google.com>
2773
2774         * c.opt (fgnu89-inline): New option.
2775         * c-opts.c (c_common_post_options): Set default value for
2776         flag_gnu89_inline.
2777         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2778         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2779         inline functions.
2780         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2781         (grokdeclarator, start_function): Likewise.
2782         * c-cppbuiltin.c (c_cpp_builtins): Define either
2783         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2784         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2785         (C Dialect Options): Document -fgnu89-inline.
2786         * doc/extend.texi (Function Attributes): Explain what the
2787         gnu_inline attribute does.
2788         * doc/cpp.texi (Common Predefined Macros): Document
2789         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2790
2791 2007-03-05  Ian Lance Taylor  <iant@google.com>
2792
2793         PR tree-optimization/31034
2794         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2795         half-range if the other side is an overflow infinity.
2796
2797 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2798
2799         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2800         (bfin*-linux-uclibc*): New configuration.
2801         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2802         defining.
2803         * config/bfin/linux.h: New file.
2804         * config/bfin/libgcc-bfin.ver: New file.
2805         * config/bfin/t-bfin-uclinux: New file.
2806         * config/bfin/t-bfin-linux: New file.
2807         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2808         (TARGET_OS_CPP_BUILTINS): New macro.
2809
2810 2007-03-05  Richard Guenther  <rguenther@suse.de>
2811
2812         * fold-const.c (fold_binary): Remove duplicate folding
2813         of comparison of non-null ADDR_EXPR against null.
2814
2815 2007-03-05  Richard Guenther  <rguenther@suse.de>
2816             Dorit Nuzman  <dorit@il.ibm.com>
2817
2818         PR tree-optimization/26420
2819         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2820         are no loops in the function.  Only print the number of
2821         vectorized loops if it is greater than zero or we are supposed
2822         to print information about unvectorized loops.
2823
2824 2007-03-05  Revital Eres  <eres@il.ibm.com>
2825
2826         * gcc.dg/var-expand1.c: New test.
2827         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2828         when an accumulator is expanded.
2829
2830 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2831
2832         PR other/30465
2833         * c-common.c (convert_and_check): Don't give warnings for
2834         conversion if 'expr' already overflowed.
2835
2836 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2837
2838         PR middle-end/30744
2839         * fold-const.c (fold_comparison): Enforce type consistency when
2840         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2841
2842 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2843
2844         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2845         containing a cast to the base of TARGET_MEM_REF.
2846
2847 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2848
2849         * tree.c (tree_contains_struct_check_failed): Remove spurious
2850         whitespace from error message.
2851
2852 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2853
2854         PR target/30406
2855         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2856         instead of precision.
2857
2858 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2859             Nathan Sidwell  <nathan@codesourcery.com>
2860
2861         * emit-rtl.c (find_auto_inc): New.
2862         (try_split): recreate REG_INC notes,
2863         Use regular for loops rather than whiles.
2864
2865 2007-03-03  Andreas Schwab  <schwab@suse.de>
2866
2867         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2868         * configure: Regenerate.
2869
2870 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2871
2872         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2873         flag_rounding_math, not flag_unsafe_math_optimizations.
2874
2875         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2876         fold_build2.
2877         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2878         alpha_fold_vector_minmax): Likewise.
2879         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2880         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2881
2882 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2883
2884         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2885         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2886         if the lhs has side-effects.
2887         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2888
2889 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2890
2891         * config/i386/i386.h (TUNEMASK): Remove define.
2892         (ARCHMASK): Remove define.
2893         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2894          Use ix86_arch_mask variable instead of ARCHMASK.
2895         * config/i386/i386.c (override_options): Ditto.
2896         (standard_80387_constant_p): Ditto.
2897
2898 2007-03-02  Ian Lance Taylor  <iant@google.com>
2899
2900         Used signed infinities in VRP.
2901         * tree-vrp.c (uses_overflow_infinity): New static function.
2902         (supports_overflow_infinity): New static function.
2903         (make_overflow_infinity): New static function.
2904         (negative_overflow_infinity): New static function.
2905         (positive_overflow_infinity): New static function.
2906         (is_negative_overflow_infinity): New static function.
2907         (is_positive_overflow_infinity): New static function.
2908         (is_overflow_infinity): New static function.
2909         (overflow_infinity_range_p): New static function.
2910         (compare_values_warnv): New function split out of compare_values.
2911         (compare_value): Call it.
2912         (set_value_range_to_nonnegative): Add overflow_infinity
2913         parameter.  Change caller.
2914         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2915         Change callers.
2916         (vrp_expr_computes_nonzero): Likewise.
2917         (compare_ranges, compare_range_with_value): Likewise.
2918         (compare_name_with_value, compare_names): Likewise.
2919         (vrp_evaluate_conditional): Likewise.
2920         (set_value_range): Handle infinity
2921         (vrp_operand_equal_p, operand_less_p): Likewise.
2922         (extract_range_from_assert): Likewise.
2923         (vrp_int_const_binop): Likewise.
2924         (extract_range_from_binary_expr): Likewise.
2925         (extract_range_from_unary_expr): Likewise.
2926         (extract_range_from_comparison): Likewise.
2927         (extract_range_from_expr): Likewise.
2928         (dump_value_range): Likewise.
2929         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2930         (test_for_singularity): Likewise.
2931         (vrp_int_const_binop): Remove inline qualifier.
2932         (adjust_range_with_scev): Add comment.
2933         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2934
2935 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2936
2937         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2938         (get_constraint_for): Likewise.
2939         (do_structure_copy): Likewise.
2940         (find_func_aliases): Fix references to MODIFY_EXPR.
2941         (intra_create_variable_infos): Tidy.
2942         * tree-ssa-operands.c (add_virtual_operand): Add argument
2943         IS_CALL_SITE.
2944         When adding members of alias sets, if IS_CALL_SITE is true and
2945         the symbol is not call-clobbered, skip it.
2946         Adjust all callers.
2947
2948 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2951         entry by means of emit_insn_at_entry.
2952
2953 2007-03-02  Richard Henderson  <rth@redhat.com>
2954
2955         * expr.h (promoted_input_arg): Remove decl.
2956         * function.c (promoted_input_arg): Merge into ...
2957         * combine.c (setup_incoming_promotions): ... only caller.
2958         Rearrange to avoid double loop.
2959
2960 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2961             Peter Bergner  <bergner@vnet.ibm.com>
2962             Janis Johnson  <janis187@us.ibm.com>
2963
2964         * config/rs6000/dfp.md: New file.
2965         * config/rs6000/rs6000.md: Include dfp.md.
2966         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2967         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2968         and TDmode decimal float modes in FP registers.
2969         (num_insns_constant): Likewise.
2970         (rs6000_legitimate_offset_address_p): Likewise.
2971         (rs6000_legitimize_address): Likewise.
2972         (rs6000_legitimize_reload_address): Likewise.
2973         (rs6000_legitimate_address): Likewise.
2974         (rs6000_emit_move): Likewise.
2975         (function_arg_boundary): Likewise.
2976         (function_arg_advance): Likewise.
2977         (rs6000_darwin64_record_arg_recurse): Likewise.
2978         (function_arg): Likewise.
2979         (rs6000_gimplify_va_arg): Likewise.
2980         (rs6000_split_multireg_move): Likewise.
2981         (rs6000_output_function_epilogue): Likewise.
2982         (rs6000_output_function_epilogue): Likewise.
2983         (rs6000_register_move_cost): Likewise.
2984         (rs6000_function_value): Likewise.
2985         (rs6000_libcall_value): Likewise.
2986
2987 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2988
2989         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2990
2991 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2992
2993         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2994         Use $MULTIDIR to choose between the kernel and RTP headers,
2995         and use $WIND_BASE and $WIND_USR to locate them.
2996
2997 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2998
2999         * config/i386/i386.c (override_options): Put initialization of
3000         ix86_tune_mask and ix86_arch_mask to the correct place.
3001
3002 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3003             Michael Meissner  <michael.meissner@amd.com>
3004
3005         PR target/31019
3006         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3007         (ARCHMASK): Define.
3008         (TARGET_CMOVE): Use ARCHMASK.
3009         (TARGET_CMPXCHG): Ditto.
3010         (TARGET_CMPXCHG8B): Ditto.
3011         (TARGET_XADD): Ditto.
3012         (TARGET_BSWAP): Ditto.
3013         * config/i386/i386.c (ix86_tune_mask): New global variable.
3014         (ix86_arch_mask): Ditto.
3015         (override_options): Initialize ix86_tune_mask and
3016         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3017         target_flags.
3018
3019 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3020
3021         PR 30992
3022         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3023
3024 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3025
3026         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3027         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3028         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3029         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3030         hook.
3031         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3032         rs6000_init_dwarf_reg_sizes_extra): New.
3033         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3034         SPE register high parts.
3035
3036 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3037
3038         * Makefile.in: Add install-pdf target as
3039         copied from automake v1.10 rules.
3040         * configure.ac: Add install-pdf to target list.
3041         * configure: Regenerate.
3042
3043 2007-03-01  Paul Brook  <paul@codesourcery.com>
3044
3045         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3046         modes to LDRD for DImode.
3047         (output_move_double): Fixup out of range ldrd/strd.
3048         (vfp_secondary_reload_class): Rename...
3049         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3050         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3051         coproc_secondary_reload_class for CLASS_IWMMXT.
3052         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3053         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3054
3055 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3056
3057         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3058         factor by the estimated number of iterations.
3059         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3060         prefetch latency.
3061
3062         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3063         decode_caches_intel, detect_caches_intel): New functions.
3064         (host_detect_local_cpu): Use detect_caches_amd and
3065         detect_caches_intel.
3066
3067 2007-03-01  Richard Henderson  <rth@redhat.com>
3068
3069         * expr.c (emit_move_complex_push): Export.
3070         (emit_move_complex_parts): Split out from ...
3071         (emit_move_complex): ... here.
3072         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3073         * config/i386/i386.md (movcdi): New.
3074
3075 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3076
3077         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3078         size of mode1 to check for tieable modes in MMX case.
3079
3080 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3081
3082         * Makefile.in (rtlanal.o): Depend on tree.h.
3083         * rtl.h (offset_within_section_p, split_const): Declare.
3084         * rtlanal.c: Include tree.h.
3085         (offset_within_block_p): New function, taken from
3086         mips_offset_within_object_p.
3087         (split_const): New function, taken from mips_split_const.
3088         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3089         Declare.
3090         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3091         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3092         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3093         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3094         (m68k_illegitimate_symbolic_constant_p): New function.
3095         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3096         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3097         symbolic constant that might be outside the symbol's section,
3098         move the symbol first and then add the offset.
3099         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3100         Override.
3101         * config/mips/mips.c (mips_split_const): Delete.
3102         (mips_offset_within_object_p): Delete.
3103         (mips_symbolic_constant_p): Use offset_within_section_p and
3104         split_const instead of mips_offset_within_object_p and
3105         mips_split_const.
3106         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3107         (mips_legitimize_const_move, print_operand_reloc)
3108         (mips_dangerous_for_la25_p): Use split_const instead of
3109         mips_split_const.
3110
3111 2007-02-28  Eric Christopher  <echristo@apple.com>
3112
3113         * Makefile.in (install-include-dir): Don't rm -rf include.
3114
3115 2007-02-28  Richard Guenther  <rguenther@suse.de>
3116
3117         PR middle-end/30364
3118         * fold-const.c (fold_binary): Do not associate expressions
3119         with more than one variable for integer types that do not wrap.
3120
3121 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3122
3123         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3124         Delete, and replace with...
3125         (fold_builtin_call_array): This.  Update callers to use it.
3126         * fold-const.c (fold_build_call_list): Delete, and replace with...
3127         (fold_build_call_array): This.
3128         (fold_build_call_list_initializer): Delete, and replace with...
3129         (fold_build_call_array_initializer): This.
3130         * tree.h: Update declarations to reflect above changes.
3131
3132         * c-typeck.c (build_function_call): Store converted arguments
3133         in a stack-allocated array instead of building a list.
3134         (convert_arguments): Store arguments in the array passed in as an
3135         argument, and return the actual number of arguments.
3136         * c-format.c: (check_function_format): Pass arguments in an
3137         array instead of a list.
3138         * c-common.c (check_function_nonnull): Likewise.
3139         (check_function_sentinel): Likewise.
3140         (check_function_arguments): Likewise.
3141         * c-common.h: Update declarations to reflect above changes.
3142
3143 2007-02-28  Jan Hubicka  <jh@suse.cz>
3144
3145         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3146         PRED_NEGATIVE_RETURN): Update outcomes.
3147
3148 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3149
3150         * calls.c (emit_library_call_value_1): Handle partial registers
3151         correctly when building up CALL_INSN_FUNCTION_USAGE.
3152
3153 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3154
3155         * pa/predicates.md (move_src_operand): Allow zero for mode.
3156         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3157         move pattern.
3158
3159 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         PR target/30970
3162         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3163         *movv2df_internal): Enable pattern only for valid operand
3164         combinations.
3165         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3166         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3167
3168 2007-02-27  Mike Stump  <mrs@apple.com>
3169
3170         * config/darwin-crt3.c: Avoid compilation when compiling for a
3171         kext multilib.
3172
3173 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3174
3175         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3176         FIXED_INCLUDE_DIR.
3177         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3178         for fixed headers and limits.h.
3179         (install-include-dir, install-headers-tar, install-headers-cpio,
3180         install-headers-cp, real-install-headers-tar,
3181         real-install-headers-cpio, real-install-headers-cp): Handle
3182         include-fixed as well as include.
3183         (install-mkheaders): Don't install files that go only in include
3184         not include-fixed.
3185         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3186         from GCC_INCLUDE_DIR.
3187         * gcc.c (process_command): Remove special -BstageN/ handling.
3188         (do_spec_1): Add include-fixed directories.
3189
3190 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3191
3192         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3193         _smulsi3_highpart.
3194         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3195         New functions.
3196         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3197         patterns.
3198
3199 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3200
3201         * c-common.c (get_priority): Add check for
3202         SUPPORTS_INIT_PRIORITY.
3203
3204 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3205
3206         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3207
3208         * config/bfin/bfin.c: Include "cfglayout.h".
3209         (MAX_LSETUP_DISTANCE): New macro.
3210         (struct loop_info): New members incoming, incoming_src and
3211         incoming_dest.  Delete member predecessor.
3212         (length_for_loop): New function.
3213         (bfin_optimize_loop): Handle more different loop structures.
3214         (bfin_discover_loop): Rework detection of predecessor blocks by
3215         examining incoming edges.
3216         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3217         bfin_reorg_loops.
3218         (bfin_reorder_loops): New function.
3219         (bfin_reorg_loops): Use these three new functions.
3220
3221         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3222         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3223         (CONSTRAINT_LEN): Add entry for 'q'.
3224         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3225         Add 'q' constraints.
3226         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3227         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3228
3229         * config/bfin/bfin.md (add_with_carry): New pattern.
3230         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3231         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3232         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3233         support unsigned multiplies too.  Removed incorrect commutativity from
3234         operand 1 constraint where appropriate.
3235         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3236         patterns.
3237         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3238         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3239         New patterns.
3240         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3241         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3242         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3243         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3244         usmulhisi_hh_huh): New patterns.
3245
3246         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3247         lshifthi3): Fix output template to use half reg for operand 2.
3248
3249         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3250         instead of R2.
3251
3252         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3253
3254 2007-02-27  Andreas Schwab  <schwab@suse.de>
3255
3256         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3257
3258 2007-02-27  Jan Hubicka  <jh@suse.cz>
3259
3260         * predict.c (last_basic_block_p): Remove.
3261         (tree_estimate_probability): Update return heuristic for commonized
3262         return blocks.
3263
3264 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3265
3266         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3267
3268 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3269
3270         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3271         * doc/cpp.texi: Standardize title page.
3272         * doc/cppinternals.texi: Likewise.
3273         * doc/gcc.texi: Standardize title page, remove version number
3274         from copyright page.
3275         * doc/gccint.texi: Likewise.
3276         * doc/install.texi: Standardize title page, add table of
3277         contents.
3278
3279 2007-02-26  Jan Hubicka  <jh@suse.cz>
3280
3281         * predict.def: Set outcomes according to more recent results.
3282         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3283         Remove dead predictors.
3284         * predict.c (return_prediction): Fix pasto.
3285
3286 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3287
3288         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3289         change; avoid a memory leak when returning early.
3290
3291 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3292
3293         * c-decl.c (static_ctors): Move to c-common.c.
3294         (static_dtors): Likewise.
3295         (finish_function): Use c_record_cdtor_fn.
3296         (build_cdtor): Move to c-common.c.
3297         (c_write_global_declarations): Use c_build_cdtor_fns.
3298         * c-common.h (static_ctors): Declare.
3299         (static_dtors): Likewise.
3300         (c_record_cdtor_fn): Likewise.
3301         (c_build_cdtor_fns): Likewise.
3302         * c-common.c (static_ctors): New variable.
3303         (static_dtors): Likewise.
3304         (c_record_cdtor_fn): New function.
3305         (build_cdtor): Move from c-decl.c
3306         (c_build_cdtor_fns): New function.
3307
3308         * output.h (assemble_addr_to_section): Declare.
3309         (get_cdtor_priority_section): Likewise.
3310         * varasm.c (assemble_addr_to_section): New function.
3311         (get_cdtor_priority_section): Likewise.
3312         (default_named_section_asm_out_destructor): Use them.
3313         (destor_dtor_section_asm_out_destructor): Likewise.
3314         (default_named_section_asm_out_constructor): Likewise.
3315         (default_ctor_section_asm_out_constructor): Likewise.
3316         * config.gcc (*-*-vxworks*): Include vxworks.o.
3317         * config/t-vxworks (vxworks.o): New target.
3318         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3319         (TARGET_ASM_CONSTRUCTOR): Define.
3320         (TARGET_ASM_DESTRUCTOR): Likewise.
3321         (vxworks_asm_out_constructor): Declare.
3322         (vxworks_asm_out_destructor): Likewise.
3323
3324         * c-common.c (get_priority): Check that we have not just an
3325         INTEGER_CST, but an integer constant with integeral type.
3326
3327 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3328
3329         PR tree-optimization/30938
3330         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3331         use &dt[nargs-1] instead of &dt[nargs] in the call to
3332         vect_is_simple_use().
3333
3334 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3335
3336         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3337         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3338         Do not attempt to handle MEM inside auto-inc expressions.
3339         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3340         of a register modified by an auto-inc expression.  However, do handle
3341         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3342         (elimination_effects): Prohibit elimination of a register modified
3343         by an auto-inc expression.  Disable register elimination rules whose
3344         target register is modified by an auto-inc expression with variable
3345         increment.
3346
3347 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3348
3349         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3350         off-by-one error.
3351         (array_at_struct_end_p): New function.
3352         (idx_infer_loop_bounds): Use it.
3353         (estimate_numbers_of_iterations_loop): Export.
3354         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3355         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3356         (tree_estimate_probability): Call record_loop_exits.
3357         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3358         (estimated_loop_iterations, estimated_loop_iterations_int,
3359         estimated_loop_iterations_tree): New functions.
3360         (analyze_siv_subscript_cst_affine,
3361         compute_overlap_steps_for_affine_1_2,
3362         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3363         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3364         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3365         (PRED_LOOP_ITERATIONS_GUESSED): New.
3366         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3367         * cfgloop.h (estimate_numbers_of_iterations_loop,
3368         estimated_loop_iterations_int): Declare.
3369
3370 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3371
3372         * doc/extend.texi: Document optional priority argument to
3373         constructors and destructors.
3374         * tree.c (init_priority_for_decl): Adjust GTY markers.
3375         (init_ttree): Use priority-info hash functions for
3376         init_priority_for_decl.
3377         (tree_map_eq): Rename to ...
3378         (tree_map_base_eq): ... this.
3379         (tree_map_marked_p): Rename to ...
3380         (tree_map_base_marked_p): ... this.
3381         (tree_map_base_hash): New function.
3382         (decl_init_priority_lookup): Rework.
3383         (decl_fini_priority_lookup): New function.
3384         (decl_priority_info): New function.
3385         (decl_init_priority_insert): Use it.
3386         (decl_fini_priority_insert): Likewise.
3387         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3388         hierarchy.
3389         (decl_restrict_base_insert): Likewise.
3390         (decl_debug_expr_insert): Likewise.
3391         (decl_value_expr_lookup): Likewise.
3392         (decl_value_expr_insert): Likewise.
3393         * tree.h (priority_type): New type.
3394         (decl_init_priority_lookup): Use priority_type.
3395         (decl_fini_priority_lookup): New function.
3396         (decl_init_priority_insert): Use priority_type.
3397         (decl_fini_priority_insert): New function.
3398         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3399         (DECL_INIT_PRIORITY): Likewise.
3400         (SET_DECL_INIT_PRIORITY): Add comment.
3401         (DECL_FINI_PRIORITY): New macro.
3402         (SET_DECL_FINI_PRIORITY): Likewise.
3403         (DEFAULT_INIT_PRIORITY): Document.
3404         (MAX_INIT_PRIORITY): Likewise.
3405         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3406         (tree_map_base): New type.
3407         (tree_map_base_eq): New function.
3408         (tree_map_base_hash): Likewise.
3409         (tree_map_base_marked_p): Likewise.
3410         (tree_map): Inherit from tree_map_base.
3411         (tree_map_eq): Make it a macro.
3412         (tree_map_marked_p): Likewise.
3413         (tree_int_map): Inherit from tree_map_base.
3414         (tree_int_map_eq): Make it a macro.
3415         (tree_int_map_hash): Likewise.
3416         (tree_int_map_marked_p): Likewise.
3417         (tree_priority_map): New type.
3418         (tree_priority_map_eq): New macro.
3419         (tree_priority_map_hash): Likewise.
3420         (tree_priority_map_marked_p): Likewise.
3421         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3422         hierarchy.
3423         (emutls_common_1): Likewise.
3424         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3425         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3426         of tree_map hierarchy.
3427         * tree-cfg.c (move_stmt_r): Likewise.
3428         (new_label_mapper): Likewise.
3429         * c-tree.h (c_expand_body): Move to ...
3430         * c-common.h (c_expand_body): ... here.
3431         * c-decl.c (c_expand_body): Move to ...
3432         * c-common.c (c_expand_body): ... here.
3433         (c_common_attribute_table): Allow 1 argument for the constructor
3434         and destructor attributes.
3435         (get_priority): New function.
3436         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3437         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3438
3439 2007-02-24  Jan Hubicka  <jh@suse.cz>
3440
3441         PR middle-end/30509
3442         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3443
3444 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3445             Jan Hubicka  <jh@suse.cz>
3446
3447         PR target/30778
3448         * i386.c (counter_mode): New function.
3449         (expand_set_or_movmem_via_loop): Use it.
3450         (expand_movmem_epilogue): Likewise; fix pasto.
3451         (ix86_expand_movmem): Do emit guard even for constant counts.
3452         (ix86_expand_setmem): Likewise.
3453
3454 2007-02-25  Nick Clifton  <nickc@redhat.com>
3455
3456         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3457         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3458
3459 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3460
3461         PR target/30770
3462         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3463         count argument with 0x10, not with 0x16.
3464         (expand_setmem_epilogue): Ditto.
3465
3466 2007-02-24  Mike Stump  <mrs@apple.com>
3467
3468         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3469         symbols.
3470
3471 2007-02-24  Richard Guenther  <rguenther@suse.de>
3472
3473         PR middle-end/30951
3474         * fold-const.c (fold_binary): Fold x +- CST op x for
3475         EQ_EXPR and NE_EXPR.
3476
3477 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3478
3479         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3480
3481 2007-02-24  Jan Hubicka  <jh@suse.cz>
3482
3483         * cgraphunit.c (decide_is_function_needed): Honor
3484         -fkeep-inline-functions.
3485
3486 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3487
3488         * builtins.c (fold_builtin_modf): New.
3489         (fold_builtin_2): Use it.
3490
3491 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3492
3493         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3494         (determine_max_iter): Take additional LOOP arg; all callers changed.
3495         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3496         one using simplifications.
3497         (simplify_using_initial_values): Return if the expression becomes
3498         invalid due to altered regs.
3499
3500 2007-02-23  DJ Delorie  <dj@redhat.com>
3501
3502         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3503
3504 2007-02-23  Mike Stump  <mrs@apple.com>
3505
3506         * tlink.c (scan_linker_output): Parse linker messages from
3507         darwin9's linker better.
3508
3509 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3510
3511         PR debug/29614
3512         * varpool.c (varpool_assemble_pending_decls):  Set
3513         varpool_last_needed_node to null.
3514
3515 2007-02-23  DJ Delorie  <dj@redhat.com>
3516
3517         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3518         alignment bigger than the object file can handle.
3519
3520 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3521
3522         PR target/30825
3523         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3524         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3525         (*movsf_1): Penalize MMX moves.
3526
3527 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3528
3529         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3530         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3531
3532         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3533
3534 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3535
3536         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3537         (fold_builtin_1): Use them.
3538         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3539         BUILT_IN_SIGNIFICAND.
3540
3541 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3542
3543         * config/i386/i386.c (bdesc_1arg): Initialize
3544         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3545         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3546         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3547         and IX86_BUILTIN_MOVSLDUP.
3548
3549 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3550
3551         PR rtl-optimization/30841
3552         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3553
3554 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3555
3556         * builtins.c (fold_builtin_frexp): New.
3557         (fold_builtin_2): Use it.
3558
3559 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3560
3561         * doc/invoke.texi (Spec Files): Document getenv spec function.
3562
3563         * gcc.c (getenv_spec_function): New function.
3564         (static_spec_functions): Add it.
3565         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3566         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3567         header files.
3568
3569 2007-02-22  Michael Matz  <matz@suse.de
3570
3571         PR c++/29433
3572         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3573         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3574
3575 2007-02-22  Ian Lance Taylor  <iant@google.com>
3576
3577         PR debug/30898
3578         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3579         (mem_loc_descriptor): Call it.
3580
3581 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3582             Ira Rosen  <irar@il.ibm.com>
3583
3584         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3585
3586 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3587
3588         PR tree-optimization/30843
3589         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3590         stores only after all the group is vectorized.
3591
3592 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3593
3594         PR tree-optimization/30858
3595         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3596         in the reduction cycle have a single use in the loop.
3597         * tree-vectorizer.h (relevant): Add documentation.
3598
3599 2007-02-20  Mike Stump  <mrs@apple.com>
3600
3601         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3602         * configure: Regenerate.
3603
3604 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3605
3606         Change the defaults of some parameters and options.
3607         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3608         * config/spu/spu.c (spu_optimization_options): Add.
3609         (spu_override_options): Change params in spu_optimization_options.
3610         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3611
3612         Register 127 is only 16 byte aligned when used as a frame pointer.
3613         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3614         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3615         HARD_FRAME_POINTER_REGNUM.
3616         (spu_legitimate_address):  Use regno_aligned_for_reload.
3617         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3618         aligned when frame_pointer_needed is true.
3619         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3620         to 8 bits.
3621         * config/spu/spu.h (INIT_EXPANDERS): Define.
3622
3623         Make sure shift and rotate instructions have valid immediate operands.
3624         * config/spu/predicates.md (spu_shift_operand): Remove.
3625         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3626         * config/spu/constraints.md (W, O): Extend range.
3627         * config/spu/spu.md (umask, nmask): Define.
3628         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3629         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3630         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3631         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3632         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3633         (lshr<mode>3_reg):  Fix rtl description.
3634
3635         Make sure mulhisi immediate operands are valid.
3636         * config/spu/predicates.md (imm_K_operand): Add.
3637         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3638
3639         Generate constants using fsmbi and andi.
3640         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3641         (print_operand, spu_split_immediate, classify_immediate,
3642         fsmbi_const_p): Handle IC_FSMBI2.
3643
3644         Correctly handle a CONST_VECTOR containing symbols.
3645         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3646         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3647         (immediate_load_p): Allow symbols that use 2 instructions to create.
3648         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3649         with symbols when flag_pic is set.
3650         (const_vector_immediate_p): New.
3651         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3652         accept a CONST_VECTOR with symbols.
3653         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3654         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3655         correctly.
3656         * config/spu/spu.md (high, low): Delete.
3657         (low_<mode>): Define.
3658
3659         Remove INTRmode and INTR_REGNUM, which didn't work.
3660         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3661         of INTR_REGNUM.
3662         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3663         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3664         peephole2 pattern): Don't use INTR or 131.
3665         (movintrcc): Delete.
3666         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3667         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3668         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3669         (UNSPEC_SET_INTR): Add.
3670         * config/spu/spu-modes.def (INTR): Remove.
3671
3672         More accurate warnings about run-time relocations.
3673         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3674
3675         Correctly warn about immediate arguments to specific intrinsics.
3676         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3677         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3678         the instruction predicate.
3679
3680         Fix tree check errors with latest update.
3681         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3682         CALL_EXPR_ARG.
3683         (spu_expand_builtin): Use CALL_EXPR_FN.
3684
3685         Add missing specific intrinsics.
3686         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3687         si_bislede.
3688         * config/spu/spu_internals.h: Ditto.
3689
3690         Fix incorrect operand modifiers.
3691         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3692         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3693
3694         Optimize one case of zero_extend of a vec_select.
3695         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3696
3697         Accept any immediate for hbr.
3698         * config/spu/spu.md (hbr):  Change s constraints to i.
3699
3700 2007-02-21  Paul Brook  <paul@codesourcery.com>
3701
3702         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3703         condexec_count when skipping USE and CLOBBER.
3704
3705 2007-02-21  Nick Clifton  <nickc@redhat.com>
3706
3707         * common.opt (Warray-bounds): Add Warning attribute.
3708         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3709         Likewise.
3710         (fsized-zeroes): Add Optimization attribute.
3711         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3712         * c.opt (Wc++0x-compat): Add Warning attribute.
3713
3714 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3715
3716         PR middle-end/30761
3717         * reload1.c (eliminate_regs_in_insn): In the single_set special
3718         case, attempt to re-recognize the insn before falling back to
3719         having reload fix it up.
3720
3721 2007-02-20  Eric Christopher  <echristo@gmail.com>
3722
3723         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3724         Rewrite accordingly.
3725         (frv_read_iacc_argument): Ditto.
3726         (frv_expand_set_builtin): Take a call instead of arglist, update for
3727         above changes.
3728         (frv_expand_unop_builtin): Ditto.
3729         (frv_expand_binop_builtin): Ditto.
3730         (frv_expand_cut_builtin): Ditto.
3731         (frv_expand_binopimm_builtin): Ditto.
3732         (frv_expand_voidbinop_builtin): Ditto.
3733         (frv_expand_int_void2arg): Ditto.
3734         (frv_expand_prefetches): Ditto.
3735         (frv_expand_voidtriop_builtin): Ditto.
3736         (frv_expand_voidaccop_builtin): Ditto.
3737         (frv_expand_load_builtin): Ditto.
3738         (frv_expand_store_builtin): Ditto.
3739         (frv_expand_mdpackh_builtin): Ditto.
3740         (frv_expand_mclracc_builtin): Ditto.
3741         (frv_expand_mrdacc_builtin): Ditto.
3742         (frv_expand_mwtacc_builtin): Ditto.
3743         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3744         calls for above.
3745
3746 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3747
3748         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3749         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3750         cmpb instruction.
3751         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3752         point instructions.
3753         * configure: Regenerate.
3754         * config.in: Regenerate.
3755         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3756         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3757         masks to power6 and power6x and to POWERPC_MASKS.
3758         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3759         _ARCH_PWR6.
3760         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3761         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3762         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3763         Access PROTOTYPE as variable, not mask.
3764
3765 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3766
3767         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3768         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3769         * combine.c (adjust_for_new_dest): Use it.
3770         * postreload.c (reload_combine): Likewise.
3771
3772 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3773
3774         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3775         notes on an insn with multiple sets, even if single_set returns
3776         non-NULL for that insn.
3777
3778 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3779
3780         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3781         scalbn and scalbln.
3782
3783 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3784
3785         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3786         if user didn't pass it.
3787         * config/i386/darwin.h (CC1_SPEC): Likewise.
3788         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3789         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3790         -mmacosx-version-min.
3791
3792 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3793             Uros Bizjak  <ubizjak@gmail.com>
3794
3795         * optabs.h (enum optab_index): Add new OTI_scalb.
3796         (scalb_optab): Define corresponding macro.
3797         * optabs.c (init_optabs): Initialize scalb_optab.
3798         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3799         patterns.
3800         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3801         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3802         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3803         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3804         flag_unsafe_math_optimizations is set.
3805
3806         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3807         to implement scalbf, scalb and scalbl built-ins as inline x87
3808         intrinsics.
3809
3810 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3811             DJ Delorie <dj@redhat.com>
3812
3813         PR other/30824
3814         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3815         (diagnostic_report_diagnostic): ... here, and turn them into real
3816         errors. If warnings are inhibited, no need to do anything.
3817
3818 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3819
3820         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3821         better code generation.
3822
3823 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3824
3825         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3826
3827 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3828
3829         * config/alpha/alpha.c, config/alpha/alpha.md,
3830         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3831         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3832         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3833         config/arm/lib1funcs.asm: Follow spelling conventions.
3834
3835         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3836         config/fr30/fr30.md, config/i386/i386.h,
3837         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3838         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3839         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3840         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3841         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3842         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3843         config/sparc/sparc.c, config/sparc/sparc.h,
3844         config/sparc/sparc.md, config/spu/constraints.md,
3845         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3846         conventions.
3847
3848 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3849
3850         PR target/29943
3851         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3852         alias attribute.
3853
3854 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3855
3856         * doc/invoke.texi (-ftree-lrs): Remove.
3857
3858 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3859
3860         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3861         NULL.
3862
3863 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3864
3865         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3866         new CALL_EXPR_FN macro for retrieving the function
3867         declaration of the input expression.
3868
3869 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3870
3871         * c.opt (Waddress): New.
3872         * common.opt (Walways-true): Delete.
3873         (Wstring-literal-comparison): Delete.
3874         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3875         -Wstring-literal-comparison. Add -Waddress.
3876         (Waddress): New.
3877         (Walways-true): Delete.
3878         (Wstring-literal-comparison): Delete.
3879         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3880         consistently instead of -Walways-true in example.
3881         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3882         * c-typeck.c (parser_build_binary_op): Replace
3883         -Wstring-literal-comparison and -Walways-true with -Waddress.
3884         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3885         with -Waddress.
3886
3887 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3888
3889         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3890         without DECL_STRUCT_FUNCTION initialized.
3891
3892 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3893
3894         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3895         due to calls to functions taking pointers as parameters.
3896
3897 2007-02-19  Richard Henderson  <rth@redhat.com>
3898
3899         PR debug/29558
3900         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3901         in memory.
3902
3903 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3904
3905         * config/s390/s390.c (s390_call_saved_register_used,
3906         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3907         accessed to the new scheme.
3908
3909 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3910
3911         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3912         (cris_print_index, cris_print_operand, cris_print_operand_address)
3913         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3914         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3915         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3916         GET_CODE () == xxx.
3917         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3918         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3919         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3920         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3921         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3922         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3923         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3924         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3925         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3926         (uminsi3, call, call_value): Ditto.
3927         (define_split: indir_to_reg_split, unnamed): Ditto.
3928
3929 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3930
3931         PR tree-optimization/30975
3932         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3933         wrong assert.
3934
3935 2007-02-18  Eric Christopher  <echristo@gmail.com>
3936
3937         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3938         Remove use of arglist.
3939         (mips_expand_builtin): Remove use of arglist, pass in expr.
3940         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3941         (mips_expand_builtin_movtf): Ditto.
3942         (mips_expand_builtin_compare): Ditto.
3943
3944 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3945
3946         * tree-sra.c (sra_build_assignment): Replace assertion
3947         checking with a comment explaining why it can't be done.
3948
3949 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3950
3951         PR middle-end/30833
3952         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3953         during CALL_EXPR representation conversion.
3954         * tree-ssa-propagate.c (set_rhs): Likewise.
3955
3956 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3957
3958         * tree-sra.c (sra_build_assignment): Disable assertion checking
3959         for now.
3960
3961 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3962
3963         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3964         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3965         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3966         Likewise.
3967         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3968         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3969         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3970         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3971         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3972         force_gimple_operand): Likewise.
3973         * ipa-cp.c (constant_val_insert): Likewise.
3974 &nb