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typo fix
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2
3         PR other/31356
4         * opts.c (print_specific_help): Fix --help=<language>
5         header line.
6         (common_handle_option): Support --help=common.
7
8 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
9
10         PR other/31353
11         * gcc.c (main): Do not run the linker if
12         print_subprocess_help indicates that it shouldn't be
13         run.
14
15 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
16
17         PR doc/31355
18         * doc/invoke.texi (--help=): Document <languages> value, fix
19         formatting in tables of values.
20
21 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
22
23         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
24         dllimport attribute of virtual methods.
25
26 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
27
28         * config/score/crti.asm: Change _bss_start to __bss_start.
29         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
30         (OUTGOING_REG_PARM_STACK_SPACE) update.
31         * config/score/score.opt: add options to make backend support
32         score5, score5u, score7 and score7d.
33         * config/score/score.md: Likewise.
34         * config/score/misc.md: Likewise.
35         * config/score/mac.md: Likewise.
36         * doc/invoke.texi: Likewise.
37         * doc/md.texi: update constraints define.
38
39 2007-04-03  Richard Henderson  <rth@redhat.com>
40
41         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
42         an appropriate type, use the mode instead.
43
44 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
45
46         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
47         Set the default --with-arch setting to mips2.
48         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
49         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
50         (MULTILIB_OSDIRNAMES): Delete.
51         (MULTILIB_DIRNAMES): Define.
52         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
53         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
54         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
55         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
56         VXWORKS_OS_CPP_BUILTINS.
57         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
58         (MIPS_DEBUGGING_INFO): Undefine.
59         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
60
61 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
62
63         PR middle-end/30704
64         * fold-const.c (native_encode_real): Encode real.c provided longs
65         as a series of 32-bit native integers.
66         (native_interpret_real): Interpret buffer as a series of 32-bit
67         native integers.
68
69 2007-04-03  Richard Guenther  <rguenther@suse.de>
70
71         * genpreds.c (write_insn_constraint_len): Write function
72         optimized for CONSTRAINT_LEN implementation.
73         (write_tm_preds_h): Output insn_constraint_len inline and
74         use it for CONSTRAINT_LEN.
75         (write_insn_preds_c): Don't output insn_constraint_len.
76         * doc/md.texi (define_register_constraint): Document multi-letter
77         constraints shall have the same length if they start with the same
78         letter.
79
80 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
81
82         PR target/31175
83         * config/i386/i386.md (isinf<mode>2): Expand only when
84         TARGET_C99_FUNCTIONS is set.
85
86 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
87
88         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
89         (x86_64-*-linux*): Ditto.
90         * config/i386/i386.opt (mpc): New option.
91         * config/i386/i386.c (overrride_options): Handle
92         ix87_precision_string.
93         * config/i386/crtprec.c: New file.
94         * config/i386/t-crtpc: Ditto.
95         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
96         and -mpc80 options.
97         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
98         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
99         crtprec32.o, crtprec64.o and crtprec80.o.
100
101         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
102         and -mpc80 options.
103         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
104
105 2007-04-02  Eric Christopher  <echristo@apple.com>
106
107         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
108         limitations on darwin.
109
110 2007-04-02  Anatoly Sokolov <aesok@post.ru>
111
112         PR target/31137
113         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
114
115 2007-04-02  Dave Korn  <dave.korn@artimi.com>
116
117         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
118
119 2007-04-02  Dave Korn  <dave.korn@artimi.com>
120
121         * libgcc2.h (exception_descriptor): Don't forward-declare.
122         (__get_eh_table_language, __get_eh_table_version): Delete
123         prototypes of long-dead functions.
124
125 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
126
127         * ebitmap.h: New file
128         * ebitmap.c: New file
129         * Makefile.in (ebitmap.o): New target.
130
131 2007-04-01  Jan Hubicka  <jh@suse.cz>
132
133         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
134         before very first instruction.
135
136 2007-04-01  Jan Hubicka  <jh@suse.cz>
137
138         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
139         waring on 64bit hosts.
140         * bitmap.h: Fix typo in bitmap_head_def.
141
142 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
143
144         PR rtl-optimization/31391
145         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
146         into a DELETED_LABEL note, and the label is in an empty basic
147         block, update BB_END as well as BB_HEAD.
148
149 2007-04-01  Richard Henderson  <rth@redhat.com>
150
151         PR tree-optimization/31169
152         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
153         to varying if the range is outside [0,  prec-1].
154
155 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
156
157         PR target/31388
158         * config/mips/mips.md (load_const_gp): New insn.
159         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
160         the MIPS16 GP pseudo register if no_new_pseudos.
161         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
162
163 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
164
165         PR target/31364
166         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
167         secureplt.
168         (call_value): Likewise.
169
170 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
171             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
172
173         PR 14737
174         * doc/invoke.texi: (optimization options): Reword description
175         of -ffast-math. Document its primary purpose.
176
177 2007-03-31  Richard Guenther  <rguenther@suse.de>
178
179         * omp-low.c (splay-tree.h): Include.
180         (lookup_decl): Replace splay-tree usage by pointer-map.
181         (maybe_lookup_decl): Likewise.
182         (new_omp_context): Likewise.
183         (delete_omp_context): Likewise.
184         * gimplify.c (splay-tree.h): Include.
185         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
186         pointer-map.
187         (remap_ssa_name): Likewise.
188         (remap_decl): Likewise.
189         (remap_type_1): Likewise.
190         (remap_type): Likewise.
191         (copy_body_r): Likewise.
192         (expand_call_inline): Likewise.
193         (clone_body): Likewise.
194         (copy_tree_r): Likewise.
195         (remap_save_expr): Likewise.
196         (unsave_r): Likewise.
197         (unsave_expr_now): Likewise.
198         (tree_function_versioning): Likewise.
199         (build_duplicate_type): Likewise.
200         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
201         (struct copy_body_data): Replace splay-tree by pointer-map.
202         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
203         not $(SPLAY_TREE_H).
204         (gimplify.o): Depend on $(SPLAY_TREE_H).
205         (omp-low.p): Likewise.
206
207 2007-03-31  Anatoly Sokolov <aesok@post.ru>
208
209         * config/avr/predicates.md (even_register_operand,
210         odd_register_operand): New predicates.
211         * config/avr/avr.md (movw peephole2): New.
212         (movw_r peephole2): New.
213
214 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
215
216         * tree.h (get_signed_or_unsigned_type): New.
217         * fold-const.c (operand_equal_for_comparison_p): Use
218         get_signed_or_unsigned_type instead of
219         lang_hooks.types.signed_or_unsigned_type.
220         * expr.c (store_expr): Ditto.
221         * langhooks.c (get_signed_or_unsigned_type): New.
222         (lhd_signed_or_unsigned_type): New.
223         * langhooks.h (lhd_signed_or_unsigned_type): New.
224         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
225
226 2007-03-30  Richard Henderson  <rth@redhat.com>
227
228         * tree-ssa-loop-ivopts.c: Include target.h.
229         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
230         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
231         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
232         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
233
234 2007-03-30  Richard Henderson  <rth@redhat.com>
235             Kai Tietz  <kai.tietz@onevision.com>
236
237         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
238         default for 64-bit.
239         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
240         (TARGET_64BIT_MS_ABI): New.
241         (DBX_REGISTER_NUMBER): Handle 64-bit.
242         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
243         (LONG_TYPE_SIZE): Force to 32.
244         (REG_PARM_STACK_SPACE): New.
245         (OUTGOING_REG_PARM_STACK_SPACE): New.
246         (REGPARM_MAX, SSE_REGPARM_MAX): New.
247         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
248         (STACK_BOUNDARY): Use 128 for 64-bit.
249         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
250         Add 64-bit implementation.
251         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
252         argument unused.
253         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
254         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
255         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
256         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
257         (ix86_handle_cconv_attribute): Don't warn when ignoring if
258         TARGET_64BIT_MS_ABI.
259         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
260         (ix86_pass_by_reference): Likewise.
261         (ix86_function_value_regno_p): Likewise.
262         (ix86_build_builtin_va_list): Likewise.
263         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
264         (function_arg_advance_ms_64): New.
265         (function_arg_advance): Call it.
266         (function_arg_ms_64): New.
267         (function_arg): Call it.
268         (function_value_ms_64): New.
269         (ix86_function_value_1): Call it.
270         (return_in_memory_ms_64): New.
271         (ix86_return_in_memory): Call it.
272         (setup_incoming_varargs_ms_64): New.
273         (ix86_setup_incoming_varargs): Call it.
274         (ix86_expand_prologue): Handle 64-bit stack probing.
275         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
276         (output_pic_addr_const): Likewise.
277         (x86_this_parameter): Likewise.
278         (x86_output_mi_thunk): Likewise.
279         (x86_function_profiler): Likewise.
280         (TARGET_STRICT_ARGUMENT_NAMING): New.
281         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
282         (TARGET_64BIT_MS_ABI): New.
283         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
284         * config/i386/i386.md (allocate_stack_worker): Remove.
285         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
286         describe the clobber of eax without a match_scratch.
287         (allocate_stack_worker_postreload): Remove.
288         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
289         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
290         (allocate_stack_worker_rex64_postreload): Remove.
291         (allocate_stack): Handle 64-bit.
292         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
293         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
294         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
295         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
296         (STANDARD_STARTFILE_PREFIX_1): Likewise.
297         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
298         * config.build (x86_64-*-mingw*): New host.
299         * config.host (x86_64-*-mingw*): New host.
300         * config.gcc (x86_64-*-mingw*): New target.
301         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
302
303 2007-03-30  Richard Henderson  <rth@redhat.com>
304             Kai Tietz  <kai.tietz@onevision.com>
305
306         * c-pragma.c (struct def_pragma_macro_value): New.
307         (struct def_pragma_macro): New.
308         (pushed_macro_table): New.
309         (dpm_hash, dpm_eq): New.
310         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
311         (init_pragma): Install them.
312         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
313
314 2007-03-30  Anatoly Sokolov <aesok@post.ru>
315
316         * config/avr/avr.c (avr_override_options): Clear
317         'flag_delete_null_pointer_checks'.
318
319 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
320
321         PR c++/26099
322         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
323         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
324         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
325         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
326         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
327         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
328         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
329         C++ extensions.
330         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
331
332 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
333
334         * regmove.c: Move all of pass_stack_adjustments from here...
335         * combine-stack-adj.c: ...to this new file.
336         * Makefile.in: Add rules for combine-stack-adj.o.
337
338 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
339
340         PR tree-optimization/31383
341         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
342         to have the same length.
343
344 2007-03-30  Jan Hubicka  <jh@suse.cz>
345
346         PR middle-end/30700
347         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
348         availablility; add more sanity checking; ask varpool only about
349         VAR_DECL.
350
351 2007-03-29  Richard Henderson  <rth@redhat.com>
352
353         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
354         to decide, but __SIZEOF_LONG_LONG__.
355
356 2007-03-29  Richard Henderson  <rth@redhat.com>
357
358         * emutls.c (struct __emutls_array): New.
359         (emutls_destroy): Use it instead of casting element 0 from void*.
360         (__emutls_get_address): Likewise.
361
362 2007-03-29  Richard Henderson  <rth@redhat.com>
363
364         * varasm.c (initializer_constant_valid_p): Don't deny
365         DECL_DLLIMPORT_P on functions.
366
367         * config/i386/cygming.h: Remove function declarations.
368         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
369         (ASM_OUTPUT_LABELREF): Remove.
370         (COMMON_ASM_OP): Remove.
371         (ASM_OUTPUT_COMMON): Remove.
372         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
373         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
374         (ASM_DECLARE_FUNCTION_NAME): Likewise.
375         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
376         Rename from TARGET_ENCODE_SECTION_INFO.
377         * config/i386/netware.h: Likewise.
378         * config/i386/i386-protos.h: Update.
379         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
380         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
381         (legitimate_constant_p): Reject dllimports.
382         (dllimport_map, get_dllimport_decl): New.
383         (legitimize_dllimport_symbol): New.
384         (legitimize_address, ix86_expand_move): Use it.
385         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
386         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
387         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
388         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
389         * config/i386/predicates.md (constant_call_address_operand): Only
390         accept symbols; reject dllimport_p symbols.
391         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
392         i386_pe_maybe_record_exported_symbol.
393         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
394         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
395         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
396         trust the setting of DECL_DLLIMPORT_P.
397         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
398         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
399         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
400         tidy the argument scanning loop.
401         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
402         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
403         (i386_pe_strip_name_encoding): Remove.
404         (i386_pe_binds_local_p): New.
405         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
406         (i386_pe_output_labelref): Remove.
407         (i386_pe_asm_output_aligned_decl_common): New.
408         (i386_pe_maybe_record_exported_symbol): Rename from
409         i386_pe_record_exported_symbol; check for dllexported symbols.
410
411 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
412
413         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
414         add comment explaining why vsnprintf cannot be used.
415
416 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
417
418         PR tree-optimization/30666
419         * tree.c (build_complex_type): When creating type names for DWARF2
420         debug info, create TYPE_DECLs for TYPE_NAME instead of
421         IDENTIFIER_NODEs.
422         (build_common_tree_nodes_2): Use build_complex_type when building
423         predefined complex types, to preserve canonical types.
424
425 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
426
427         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
428         (noce_get_alt_condition): Look at it to determine whether to
429         reverse the condition or not.
430         (noce_get_condition): Substitute the truth for lies.
431         (noce_find_if_block): Set the then_else_reversed field.
432
433 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
434
435         * config/fr30/fr30.md (movdi): Do not accept immediates as the
436         destination of this insn.
437         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
438         than calling gen_rtx_SET directly.  Use r0 to hold the value of
439         'address + 4' rather than a stack based temporary which can be
440         mis-optimized away.
441
442 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
443
444         * config/s390/s390.c (s390_secondary_input_reload_class,
445         s390_secondary_output_reload_class): Functions removed.
446         (s390_secondary_reload): New function.
447         (TARGET_SECONDARY_RELOAD): Target macro defined.
448         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
449         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
450         * config/s390/s390.md ("reload_outti", "reload_outdi",
451         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
452         "reload_out<mode>"): Expanders removed.
453         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
454         "reload<mode>_nonoffmem_out"): Expanders added.
455
456 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
457
458         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
459         SRC->DEST replacement failed anyway.
460
461 2007-03-28  Mike Stump  <mrs@apple.com>
462
463         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
464         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
465         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
466
467 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
468
469         * config.gcc: Accept barcelona as a variant of amdfam10.
470         * config/i386/i386.c (override_options): Likewise.
471         * doc/invoke.texi: Likewise.
472
473 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
474
475         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
476         offsets for BIT_FIELD_REF and COMPONENT_REF.
477
478 2007-03-28  Richard Guenther  <rguenther@suse.de>
479
480         * tree.c (is_global_var): Move ...
481         * tree-flow-inline.h (is_global_var): ... here.
482         * tree.h (is_global_var): Remove declaration.
483
484 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
485
486         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
487         option.
488         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
489         * config/i386/i386.c (ix86_tune_features): Initialize new
490         tuning option.
491         * config/i386/predicates.md (promotable_binary_operator): Use
492         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
493
494 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
495
496         PR target/31380
497         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
498
499 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
500
501         * config/fr30/fr30.md (movsi_internal): Change destination
502         constraint from m to V and add m to the end.
503
504 2007-03-28  Christian Bruel  <christian.bruel@st.com>
505
506         * config/sh/sh.md (movsi_i): Fix type attribute.
507
508 2007-03-28  Christian Bruel  <christian.bruel@st.com>
509
510         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
511         (movsf_ie): Likewise.
512
513 2007-03-28  Christian Bruel  <christian.bruel@st.com>
514
515         * config.gcc: Add sh4-300 to multilib.
516         * config/sh/t-mlib-sh4-300: New file.
517
518 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
519
520         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
521         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
522         fix_trunc<mode>di2.
523         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
524         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
525         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
526         "fixuns_trunctddi2"): Whitespace fix.
527
528 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
529
530         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
531         the definition of struct sh_args.
532         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
533         CALL_COOKIE_INT_REG_GET): Likewise.
534
535 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
536
537         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
538         transformations are applied successfully.
539
540 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
541
542         * tree.c (tree_contains_struct): Permit 512 tree codes.
543         * tree.h (tree_contains_struct): Ditto.
544         (MAX_TREE_CODES): Ditto.
545         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
546         SPARE member to store remaining padding bits.
547
548 2007-03-27  Anatoly Sokolov <aesok@post.ru>
549
550         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
551         architecture.
552
553 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
554
555         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
556         * configure: Regenerate.
557
558         * configure: Regenerate using the correct version of autoconf.
559
560 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
561
562         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
563         pointer regs.
564         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
565         regs to "__SP_L__" and "__SP_H__".
566
567 2007-03-27  Richard Guenther  <rguenther@suse.de>
568
569         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
570         computations with it with a HOST_WIDE_INT variable.
571
572 2007-03-26  Mike Stump  <mrs@apple.com>
573
574         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
575         objective-c-header, objective-c++-header and objc++-cpp-output
576         support.
577         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
578
579 2007-03-26  Richard Henderson  <rth@redhat.com>
580
581         PR target/31361
582         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
583         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
584         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
585         IX86_BUILTIN_PSRLQ128): New.
586         (ix86_init_mmx_sse_builtins): Add them.
587         (ix86_expand_builtin): Expand them.
588         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
589         operand 2 be TImode.
590         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
591         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
592         _mm_srli_epi64): Mark __B const.
593         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
594         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
595         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
596         new two-vector shift builtins.
597
598 2007-03-26  Ian Lance Taylor  <iant@google.com>
599
600         PR tree-optimization/31345
601         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
602         [+INF, +INF(OVF)] into VARYING.
603
604 2007-03-26  Zack Weinberg  <zackw@panix.com>
605
606         * gengtype-parse.c: New file.
607         * gengtype-yacc.y: Delete.
608         * gengtype-lex.l: Don't include gengtype-yacc.h.
609         Define YY_DECL and yyterminate appropriately for recursive
610         descent parser.  yylval is now a string out-parameter to yylex.
611         (HWS, EOID): New shorthand.
612         (IWORD): Add a couple more types.
613         (yylex): Add a setup stanza.  Remove the complex rules for
614         detecting GTY'ed types and typedefs; replace with simple
615         keyword detectors.  Adjust everything for the changed
616         definition of yylval.  Ignore all pp-directives, not just #define.
617         (yyerror): Delete.
618         (parse_file): Rename yybegin; do not call yyparse.
619         (yyend): New.
620         * gengtype.c (xasprintf): Export again.
621         (this_file): New.  Use everywhere __FILE__ was being used.
622         (get_lang_bitmap): Special case types defined in gengtype.c.
623         (do_typedef, new_structure): Suppress definition of certain types.
624         (new_structure): Improve diagnostics of duplicate definitions.
625         Make sure location_s is associated with input.h.
626         (nreverse_pairs, define_location_structures): New functions.
627         (main): Improve tagging of kludge types.  Remove old kludges
628         for input.h types; use define_location_structures.
629         * gengtype.h: Update prototypes.  Define token codes here.
630         * Makefile.in: Remove all references to gengtype-yacc.
631         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
632         and gengtype.
633         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
634         add GTY((skip)) to the field that's only conditionally there.
635         * doc/install.texi: Document that Bison is no longer required
636         unless building treelang.
637
638         * gengtype.c: Don't include gtyp-gen.h.
639         (srcdir): Declare here.
640         (base_files, lang_dir_names): Allocate dynamically.
641         (gt_files, num_gt_files, num_lang_dirs): New globals.
642         (measure_input_list, read_input_line, read_input_list)
643         (set_lang_bitmap): New functions.
644         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
645         simplify, relying on read_input_list to set up the bitmaps.
646         (main): Arguments are no longer unused.  Check for correct number
647         of command line arguments, set srcdir and srcdir_len, then call
648         read_input_list, before doing anything else.  No need to worry
649         about duplicates in main loop.
650         * configure.ac: Simplify the calculation of all_gtfiles.
651         Put language tags in there.  Don't set or substitute
652         all_gtfiles_files_langs or all_gtfiles_files_frags.
653         * Makefile.in: Revamp the way gengtype is invoked, now that it
654         takes a file on its command line with a much simpler format.
655         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
656         (GTFILES): Remove duplicates and C source files.
657         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
658         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
659         * configure: Regenerate.
660
661         * gengtype.h: Remove all type definitions to gengtype.c; leave
662         only definitions of options_p, type_p, and pair_p as opaque
663         pointers.  Update prototypes.
664         * gengtype.c: Many type definitions moved here from gengtype.h.
665         Consolidate type definitions at the top of the file.
666         (xvasprintf): Delete.
667         (xasprintf): Make static.
668         (create_nested_pointer_option): Add 'next' parameter.
669         (create_field_all, create_field_at): New functions.
670         (create_field): Now a thin wrapper around create_field_all.
671         (create_optional_field): Rename create_optional_field_ and add
672         line argument.  Original name is now a macro which supplies
673         __LINE__.
674         (oprintf): Use vsnprintf directly.
675         (close_output_files): Use fatal rather than perror/exit.
676         (note_def_vec, note_def_vec_alloc): Use create_field_at.
677         (main): Set progname.  Don't use exit.
678         * gengtype-yacc.y (struct_fields): Use create_field_at.
679         (option, optionseqopt): Delete.
680         (optionseq): Consolidate productions from option here so we
681         can use the first argument to create_option.
682
683         * gengtype-lex.l: Distinguish unions from structures in the
684         token type.  Don't call find_structure; return the tag as a string.
685         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
686         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
687         Reorganize typedef_struct production accordingly.
688         Use create_nested_ptr_option.
689         * gengtype.c (create_nested_ptr_option): New function.
690         * gengtype.h: Declare it.
691
692         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
693         (string_type): Don't declare.
694         (do_scalar_typedef): Declare.
695         (create_scalar_type): Update prototype.
696         * gengtype.c (string_type): Make static.
697         (scalar_nonchar, scalar_char): New.
698         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
699         (resolve_typedef): Use scalar_nonchar for error recovery.
700         (create_scalar_type): Remove name_len field.  Return scalar_char
701         or scalar_nonchar as appropriate.
702         (adjust_field_type): Look at scalar_is_char boolean to decide whether
703         to use string_type.
704         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
705         whenever possible.
706         (main): Initialize scalar_char and scalar_nonchar before calling
707         gen_rtx_next.
708         * gengtype-lex.l: Adjust for removal of second argument to
709         create_scalar_type.  Use yylval.s instead of yylval.t when
710         returning SCALAR.
711         * gengtype-yacc.y: Type of SCALAR is string.  Call
712         create_scalar_type from type:SCALAR rule.  Adjust for removal of
713         second argument to create_scalar_type.
714
715         * vec.h: Remove all #if IN_GENGTYPE blocks.
716         Add comment saying that changes may require adjustments to gengtype.
717         * gengtype.c: Don't include coretypes.h or tm.h.
718         Add comment to inclusion of errors.h.
719         (note_def_vec, note_def_vec_alloc): New functions.
720         * gengtype.h: Declare new functions.
721         * gengtype-lex.l: Don't include coretypes.h.
722         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
723         Delete.
724         (update_lineno): Remove unnecessary prototype.
725         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
726         (VEC rule): Just return VEC_TOKEN.
727         * gengtype-yacc.y (VEC_TOKEN): New token type.
728         (type): Add a production for VEC(a,b).
729         * Makefile.in: Update dependencies.
730
731         * gengtype-lex.l: Remove rules for parsing pointer-to-function
732         typedefs that use the old PARAMS macro.
733
734         * gengtype-lex.l: Remove all rules and states relating to yacc
735         input files.
736         * gengtype-yacc.y: Similarly.
737         * gengtype.c (note_yacc_type): Delete function.
738         * gengtype.h: Update prototypes.
739
740 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
741
742         * tree-pretty-print.c (dump_generic_node): Report precision of
743         unnamed integer types.
744
745 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
746
747         * ifcvt.c (noce_try_store_flag_constants): Don't check
748         no_new_pseudos here.
749         (noce_try_store_flag_constants): Don't check no_new_pseudos.
750         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
751         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
752         noce_try_sign_mask): Likewise.
753         (if_convert): Check no_new_pseudos here.
754
755         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
756         Remove prototypes.
757         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
758         (noce_get_condition): Handle new then_else_reversed argument.
759         (noce_init_if_info): Remove, fold into noce_find_if_block.
760         (noce_process_if_block): Take a struct noce_if_info as the
761         argument.  Don't set up one based on ce_if_info.  Update pointer
762         references accordingly.
763         (cond_move_process_if_block): Likewise.
764         (process_if_block): Removed.
765         (find_if_block): Removed.  Move functionality two new functions,
766         noce_find_if_block and cond_exec_find_if_block.
767         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
768         blocks and the symmetric IF-ELSE-JOIN case.
769         (cond_exec_find_if_block): Also new function mostly based on old
770         find_if_block and process_if_block.
771         (find_if_header): Replace find_if_block call with separately
772         guarded calls to noce_find_if_block and cond_exec_find_if_block.
773         (find_cond_trap): Update noce_get_condition call.
774         (dead_or_predicable): Likewise.
775
776 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
777
778         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
779         Remove.
780         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
781         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
782         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
783         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
784         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
785         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
786         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
787         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
788         __builtin_ia32_psrad128 builtins.
789
790 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
791
792         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
793         * config/i386/constraints.md
794         (define_constraint "I"): Use IN_RANGE macro.
795         (define_constraint "J"): Ditto.
796         (define_constraint "K"): Ditto.
797         (define_constraint "M"): Ditto.
798         (define_constraint "N"): Ditto.
799         (define_constraint "O"): Ditto.
800         * config/i386/predicates.md
801         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
802         (define_predicate "const_0_to_3_operand"): Ditto.
803         (define_predicate "const_0_to_7_operand"): Ditto.
804         (define_predicate "const_0_to_15_operand"): Ditto.
805         (define_predicate "const_0_to_63_operand"): Ditto.
806         (define_predicate "const_0_to_255_operand"): Ditto.
807         (define_predicate "const_1_to_31_operand"): Ditto.
808         (define_predicate "const_2_to_3_operand"): Ditto.
809         (define_predicate "const_4_to_7_operand"): Ditto.
810
811 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
812
813         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
814         in SImode for save_world.
815         * config/rs6000/altivec.md (save_world, restore_world): Convert to
816         LR hard reg.
817
818 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
819
820         PR tree-optimization/30784
821         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
822         BIT_FIELD_REF.
823
824 2007-03-25  Revital Eres  <eres@il.ibm.com>
825
826         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
827           Fold movement_possibility function into it.
828
829 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
830
831         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
832         (load_macho_picbase_{si,di}): Convert to LR hard reg.
833         (call_indirect_nonlocal_darwin64): Same.
834         (call_nonlocal_darwin64): Same.
835         (call_value_indirect_nonlocal_darwin64): Same.
836         (call_value_nonlocal_darwin64): Same.
837         (sibcall_nonlocal_darwin64): Same.
838         (sibcall_value_nonlocal_darwin64): Same.
839         (sibcall_symbolic_64): Same.
840         (sibcall_value_symbolic_64): Same.
841         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
842         LR pseudo.
843         (rs6000_emit_load_toc_table): Same.
844         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
845         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
846         (mull_call): Same.
847         (divss_call): Same.
848         (divus_call): Same.
849         (quoss_call): Same.
850         (quous_call): Same.
851         (load_toc_v4_pic_si): Same
852         (load_toc_v4_PIC_1): Same.
853         (load_toc_v4_PIC_1b): Same.
854         (call_indirect_aix{32,64}): Same.
855         (call_value_indirect_aix{32,64}): Same.
856         (call): Same.
857         (call_value): Same.
858         (call_local{32,64}): Same.
859         (call_value_local{32,64}): Same.
860         (call_indirect_nonlocal_aix{32,64}): Same.
861         (call_nonlocal_aix{32,64}): Same.
862         (call_value_indirect_nonlocal_aix{32,64}): Same.
863         (call_value_nonlocal_aix{32,64}): Same.
864         (call_indirect_nonlocal_sysv<mode>): Same.
865         (call_nonlocal_sysv<mode>): Same.
866         (call_value_indirect_nonlocal_sysv<mode>): Same.
867         (call_value_nonlocal_sysv<mode>): Same.
868         (sibcall): Same.
869         (sibcall_local{32,64}): Same.
870         (sibcall_value_local{32,64}): Same.
871         (sibcall_nonlocal_aix{32,64}): Same.
872         (sibcall_value_nonlocal_aix{32,64}): Same.
873         (sibcall_nonlocal_sysv<mode>): Same.
874         (sibcall_value): Same.
875         (sibcall_value_nonlocal_sysv<mode>): Same.
876
877 2007-03-24  Paul Brook  <paul@codesourcery.com>
878
879         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
880         * config/arm/linux-eabi.h: Remove legacy syscall hack.
881
882 2007-03-24  Richard Henderson  <rth@redhat.com>
883
884         * config/ia64/constraints.md: New file.
885         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
886         satisfies_constraint_?.
887         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
888         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
889         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
890         ia64_output_mi_thunk): Likewise.
891         (ia64_const_ok_for_letter_p): Remove.
892         (ia64_const_double_ok_for_letter_p): Remove.
893         (ia64_extra_constraint): Remove.
894         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
895         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
896         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
897         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
898         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
899         EXTRA_MEMORY_CONSTRAINT): Remove.
900         * config/ia64/ia64.md: Include constriants.md.  Replace
901         CONST_OK_FOR_? with satisfies_constraint_?.
902
903 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
904             H.J. Lu  <hongjiu.lu@intel.com>
905
906         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
907         DPD or BID name.
908         (name macros): Use DPD_BID_NAME to convert names properly.
909
910         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
911         decimal floating point format.
912         (init_floating_libfuncs): Change decimal functions so that they
913         have a "bid_" prefix if the decimal system uses the BID format,
914         and "dpd_" prefix if the decimal system uses the DPD format.
915         (init_interclass_conv_libfuncs): Ditto.
916         (init_intraclass_conv_libfuncs): Ditto.
917
918         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
919         using the BID format.
920
921         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
922         whether we are using the BID decimal format.
923         * configure: Regenerate.
924
925         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
926         the compiler has decimal floating point enabled.  Define
927         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
928         instead of DPD.
929
930         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
931         using the BID format.
932
933         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
934         whether we are using the BID decimal format.
935         * configure: Regenerate.
936
937         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
938         the compiler has decimal floating point enabled.  Define
939         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
940         instead of DPD.
941
942         * doc/install.texi (--enable-decimal-float): Document BID and DPD
943         options, and that it is enabled for i386/x86_64 systems.
944
945         * Makefile.in (enable_decimal_float): New.
946         (DECNUMFMT): New.
947         (DECNUMINC): Add  -I$(DECNUMFMT).
948         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
949         to $(DECNUMFMT) from $(DECNUM).
950
951         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
952         Substitute enable_decimal_float.
953         * configure: Regenerated.
954
955         PR other/30529
956         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
957         unsigned long.
958
959         * configure.ac: Enable decimal float for x86_64-*-linux*.
960         * configure: Regenerated.
961
962         PR other/30530
963         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
964         decimal128ClearSign to flip and clear the sign bit in decimal128.
965         (decimal_real_maxval): Set decimal128SetSign to set the sign
966         bit in decimal128.
967
968 2007-03-23  Ian Lance Taylor  <iant@google.com>
969
970         * fold-const.c (fold_binary): Correct warning for X - c >= X.
971
972 2007-03-23  Ian Lance Taylor  <iant@google.com>
973
974         * tree-dump.c (dump_files): Correct comment.
975
976 2007-03-23  Ian Lance Taylor  <iant@google.com>
977
978         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
979
980 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
981
982         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
983         in cfglayout mode.  Don't go into and out of cfglayout mode.
984         Link the blocks in the order of the constructed traces.
985         (rest_of_handle_tracer): Adjust call to tracer.
986         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
987         Don't go into cfglayout mode.
988         (rtl_loop_done): Don't go out of cfglayout mode.
989         * cfglayout.c (relink_block_chain): New function, split out from...
990         (fixup_reorder_chain): ...here.  Remove redundant checking.
991         (cfg_layout_finalize): Don't clear the header, footer, and aux
992         fields here, move the code to do so to relink_block_chain.  Likewise
993         for free_original_copy_tables.
994         * rtl.h (tracer): Update prototype.
995         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
996         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
997         mode.  Use relink_block_chain to serialize the CFG according to the
998         new basic block order.  Move targetm.cannot_modify_jumps_p check from
999         here...
1000         (gate_handle_reorder_blocks): ...to here.
1001         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1002         from here...
1003         (gate_duplicate_computed_gotos): ...to here.
1004         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1005         something always changes when going into and out of cfglayout mode.
1006         Perform an expensive cfg cleanup while going into cfglayout mode.
1007         Always update liveness information on HAVE_conditional_execution
1008         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1009         * reg-stack.c: Include cfglayout.h.
1010         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1011         the call to reorder_basic_blocks.
1012         * basic-block.h (reorder_basic_blocks): Update prototype.
1013         (relink_block_chain): New prototype.
1014         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1015
1016 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1017
1018         * config/mips/mips.md (type, hazard, *movdi_32bit,
1019         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1020         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1021         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1022         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1023         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1024         applicable.
1025         (movcc): Change first xfer to multi.
1026         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1027         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1028         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1029         config/mips/generic.md: Change reservations using "xfer" to use
1030         "mfc,mtc".
1031         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1032         using match_operand.
1033         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1034         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1035         examining mode.
1036         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1037
1038 2007-03-22  Richard Henderson  <rth@redhat.com>
1039
1040         * config/i386/i386.c: Remove unnecessary function declarations.
1041         Move targetm definition, and all related macros, to the end of
1042         the file.  Resort some functions to put definitions before uses.
1043         (ix86_attribute_table): Make static.  Move to end of file.
1044         (ix86_gimplify_va_arg): Make static.
1045
1046 2007-03-22  Richard Henderson  <rth@redhat.com>
1047
1048         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1049         don't increase local_regparm with force_align_arg_pointer check.
1050         (ix86_function_sseregparm): Assert 32-bit.
1051         (type_has_variadic_args_p): New.
1052         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1053         type_has_variadic_args_p.
1054         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1055         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1056         use memset instead.  Do maybe_vaarg check first; skip attribute
1057         tests if true; skip attribute tests for 64-bit.
1058         (construct_container): Remove TARGET_DEBUG_ARG.
1059         (function_arg_advance_32, function_arg_advance_64): Split out ...
1060         (function_arg_advance): ... from here.
1061         (function_arg_32, function_arg_64): Split out ...
1062         (function_arg): ... from here.
1063         (ix86_pass_by_reference): Tidy.
1064         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1065         (function_value_32): New, from parts of ix86_function_value
1066         and ix86_value_regno.
1067         (function_value_64): New, from parts of ix86_function_value
1068         and ix86_libcall_value.
1069         (ix86_function_value_1): New.
1070         (ix86_function_value, ix86_libcall_value): Use it.
1071         (return_in_memory_32, return_in_memory_64): Split out ...
1072         (ix86_return_in_memory): ... from here.
1073         (ix86_struct_value_rtx): Skip for 64-bit.
1074         (ix86_libcall_value, ix86_value_regno): Remove.
1075         (setup_incoming_varargs_64): Split out ...
1076         (ix86_setup_incoming_varargs): ... from here.
1077         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1078         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1079         * config/i386/i386-protos.h (ix86_function_value): Remove.
1080         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1081
1082 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1083
1084         PR other/23572
1085         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1086         infinities not supported, otherwise emit warning if -Woverflow. On
1087         underflow, emit warning if -Woverflow.
1088         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1089         and 0 otherwise.
1090         * real.h (real_from_string): Update declaration
1091
1092 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1093             Richard Henderson  <rth@redhat.com>
1094
1095         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1096         * calls.c (compute_argument_block_size, expand_call,
1097         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1098         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1099         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1100         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1101         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1102         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1103         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1104         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1105         Set to 1.
1106
1107 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1108
1109         * c-incpath.c (add_sysroot_to_chain): New.
1110         (merge_include_chains): Add sysroot argument.  Call
1111         add_sysroot_to_chain if sysrooted.
1112         (register_include_chains): Update call to merge_include_chains.
1113         * doc/cppopts.texi: Document use of '=' in include directory
1114         arguments.
1115
1116 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1117
1118         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1119         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1120         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1121         insn pattern using X87MODEF12 mode macro.
1122
1123 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1124
1125         * regmove.c (regmove_optimize): Use reg_mentioned_p
1126         instead of reg_overlap_mentioned_p for DST.
1127
1128 2007-03-21  Mike Stump  <mrs@apple.com>
1129
1130         * c.opt: Fixup for Objective-C/C++.
1131
1132 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1133
1134         * explow.c (convert_memory_address): Fold memory reference when
1135         POINTERS_EXTEND_UNSIGNED < 0
1136
1137 2007-03-21  Richard Henderson  <rth@redhat.com>
1138
1139         PR target/31245
1140         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1141         * config/i386/mmintrin.h (__m64): Likewise.
1142         * config/i386/xmmintrin.h (__m128): Likewise.
1143
1144 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1145
1146         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1147         (VXWORKS_OS_CPP_BUILTINS): Define.
1148         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1149         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1150
1151 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1152
1153         * rtl.h (constant_pool_reference_p): Delete.
1154         (find_constant_src): Declare.
1155         * rtlanal.c (find_constant_src): New function.
1156         * simplify-rtx.c (constant_pool_reference_p): Delete.
1157         * config/i386/i386.md: Use find_constant_src instead of
1158         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1159
1160 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1161
1162         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1163         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1164
1165 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1166
1167         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1168         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1169         (arm_elf_asm_constructor): Use it.
1170         (arm_elf_asm_destructor): New function.
1171
1172 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1173
1174         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1175
1176 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1177
1178         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1179
1180 2007-03-19  Andrew Haley  <aph@redhat.com>
1181
1182         PR tree-optimization/31264
1183         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1184         VIEW_CONVERT_EXPRs.
1185
1186 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1187
1188         PR rtl-optimization/30907
1189         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1190         (fwprop_init): Always call loop_optimizer_initialize.
1191         (fwprop_done): Always call loop_optimizer_finalize.
1192         (fwprop): We always have loop info now.
1193         (gate_fwprop_addr): Remove.
1194         (pass_fwprop_addr): Use gate_fwprop as gate.
1195
1196         PR rtl-optimization/30841
1197         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1198         df_chain_alloc): Call df_reorganize_refs unconditionally.
1199         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1200         refs_organized to refs_organized_size.
1201         (df_ref_create_structure): Use refs_organized_size instead of
1202         bitmap_size if refs had been organized, and keep refs_organized_size
1203         up-to-date.
1204         * df.h (struct df_ref_info): Change refs_organized to
1205         refs_organized_size.
1206         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1207         bitmap_size.
1208
1209 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1210
1211         * except.c (output_function_exception_table): Do not reference the
1212         EH personality routine for functions that do not require an
1213         exception table.
1214
1215 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1216
1217         PR c/30762
1218         * c-typeck.c (convert_for_assignment): Call comptypes for
1219         RECORD_TYPE or UNION_TYPE.
1220
1221         PR inline-asm/30505
1222         * reload1.c (reload): Do invalid ASM checking after
1223         cleanup_subreg_operands.
1224
1225 2007-03-19  Jeff Law  <law@redhat.com>
1226
1227         * tree-cfg.c (find_taken_edge): Tighten conditions for
1228         optimizing computed gotos.
1229
1230 2007-03-19  Michael Matz  <matz@suse.de>
1231
1232         * builtins.c (expand_builtin_sync_operation,
1233         expand_builtin_compare_and_swap,
1234         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1235         correctly.
1236
1237         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1238         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1239         for operand 3.
1240
1241 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1242
1243         * doc/tm.texi: Add brackets around the return type of
1244         TARGET_SECONDARY_RELOAD.
1245
1246 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1247         Richard Guenther  <rguenther@suse.de>
1248
1249         PR tree-optimization/31254
1250         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1251         Use handled_component_p () where appropriate.  Continue
1252         propagating into the rhs if we propagated into an INDIRECT_REF
1253         on the lhs.
1254
1255 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1256
1257         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1258         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1259         (xde, xdee): Mode attributes adjusted to support DFP modes.
1260         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1261         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1262         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1263         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1264         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1265         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1266         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1267         numbers.
1268         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1269         "movsf"): Insn definitions removed.
1270         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1271         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1272         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1273         definitions added.
1274         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1275         "reload_in<mode>", "reload_out<mode>"): Expander added.
1276         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1277         Expander removed.
1278
1279 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1280
1281         * config/s390/s390.md: Only non-functional changes.  Renamed
1282         FPR mode macro to BFP all over the file.
1283
1284 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1285
1286         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1287         (op_type attribute): RRF instruction type added.
1288         (fT0): New mode attribute.
1289         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1290         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1291         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1292         no secondary memory is needed when moving DFmode values between GPRs
1293         and FPRs.
1294
1295 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1296
1297         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1298         inverted and documentation adjusted.
1299         ("mhard-dfp", "msoft-dfp"): New options.
1300         * config/s390/s390.c (s390_handle_arch_option): New architecture
1301         switch: z9-ec.
1302         (override_options): Sanity checks for the new options added.
1303         * config.gcc: New architecture switch: z9-ec.
1304         * config/s390/s390.h (processor_flags): PF_DFP added.
1305         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1306         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1307         when the bit is NOT set so remove it from the defaults.
1308
1309 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1310
1311         * genemit.c (main): Print include statement for dfp.h.
1312         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1313         is not available.
1314
1315 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1316
1317         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1318
1319 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1320
1321         PR target/31022
1322         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1323         instead of PATTERN.
1324
1325 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1326
1327         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1328         attr_length_call, output_call, output_indirect_call): Cleanup
1329         formatting of targetm calls.
1330
1331 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1332
1333         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1334
1335 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1336
1337         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1338         reservation, bypass and anti-bypass descriptions for these instructions.
1339         Update move patterns.
1340         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1341         TYPE_FPSTORE.
1342
1343 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1344
1345         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1346         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1347         (get_initial_def_for_reduction): Likewise.
1348
1349 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1350
1351         Fix PR tree-optimization/29922
1352         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1353         (get_representative): Removed.
1354         (value_dies_in_block_x): Update for rvuse removal.
1355         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1356         (compute_antic_aux): Handle when PHI nodes appear in
1357         non-single-successors.
1358         (dump_bitmap_of_names): Removed.
1359         (compute_antic_safe): Renamed and removed rvuse calculation.
1360         Calculate only antic safe.
1361         (insert_into_preds_of_block): Remove assert.
1362         (execute_pre): Update for renamed functions.
1363         (defer_or_phi_translate_block): New function.
1364
1365 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1366
1367         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1368         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1369         typos.
1370         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1371         Follow spelling conventions.
1372
1373         * tree-data-ref.h: Remove the prototype for analyze_array.
1374
1375 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1376
1377         PR tree-optimization/31041
1378         * tree-vect-transform.c (get_initial_def_for_induction): Call
1379         force_gimple_operand.
1380
1381 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1382
1383         * ipa-type-escape.c (look_for_casts) : Revert code to use
1384         handled_component_p due to ada test a-numaux.adb.
1385
1386 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1387
1388         * final.c (final_scan_insn): Alter the condition of a
1389         conditional trap if we have nonstandard CC.
1390
1391 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1392
1393         * configure.ac: Remove excess quoting from asm line 0 test.
1394         * configure: Rebuilt.
1395
1396 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1397
1398         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1399         * c-common.c (convert_and_check): Move warning logic to...
1400         (warnings_for_convert_and_check): ...here. Define.
1401         * c-common.h (warnings_for_convert_and_check): Declare.
1402
1403 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1404
1405         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1406         (output_call): Likewise.
1407
1408 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1409
1410         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1411
1412 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1413
1414         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1415
1416 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1417
1418         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1419         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1420
1421 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1422
1423         PR tree-optimization/31183
1424         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1425         Use double_int instead of unsigned int for representing access_strides.
1426         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1427
1428 2007-03-16  Richard Guenther  <rguenther@suse.de>
1429
1430         PR tree-optimization/31146
1431         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1432         to allow recursion of forward_propagate_addr_expr.
1433         (forward_propagate_addr_into_variable_array_index): Likewise.
1434         (forward_propagate_addr_expr): Likewise.
1435         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1436         (forward_propagate_addr_expr_1): Recurse on simple copies
1437         instead of propagating into them.  Do so for useless conversions
1438         as well.
1439         (forward_propagate_addr_expr): Clean up unused statements after
1440         recursion.
1441
1442 2007-03-16  Richard Guenther  <rguenther@suse.de>
1443
1444         * builtins.c (expand_builtin_cexpi): Use the right argument
1445         for the expansion via cexp.
1446
1447 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1448
1449         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1450         * configure: Rebuilt.
1451
1452 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1453
1454         PR debug/29906
1455         * dwarf2out.c (force_type_die): Adjust comment.
1456         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1457
1458 2007-03-15  DJ Delorie  <dj@redhat.com>
1459
1460         * config/frv/predicates.md (minmax_operator): Don't check operands
1461         here.
1462
1463 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1464
1465         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1466         Update constant estimates of number of iterations.
1467         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1468         argument renamed to "realistic".
1469         (compute_estimated_nb_iterations): Removed.
1470         (record_niter_bound): New function.
1471         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1472         call record_nonwrapping_iv with upper = false.
1473         (infer_loop_bounds_from_signedness): Pass upper argument to
1474         record_nonwrapping_iv.
1475         (estimate_numbers_of_iterations_loop): Do not call
1476         compute_estimated_nb_iterations.  Record estimate based on profile
1477         information.  Initialize the constant estimates of number of
1478         iterations.
1479         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1480         estimates.
1481         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1482         number of iterations is too small.
1483         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1484         (EST_NOT_AVAILABLE): Removed.
1485         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1486         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1487         fields.
1488
1489 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1490
1491         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1492         Handle NE_EXPR guards.
1493
1494 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1495
1496         PR c++/24924
1497         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1498         Set also -pedantic-errors by default for the  preprocessor unless
1499         -fpermissive is given.
1500
1501 2007-03-15  Richard Guenther  <rguenther@suse.de>
1502
1503         PR middle-end/29719
1504         PR middle-end/31161
1505         * builtins.c (expand_builtin_cexpi): As a fallback if we
1506         don't have builtins for sincos or cexp create a function
1507         declaration for cexp and expand to a call to that.
1508         (expand_builtin_int_roundingfn): Always fall
1509         back to floor/ceil and its variants even if they may be
1510         not available.
1511
1512 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1513
1514         PR middle-end/31159
1515         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1516         jump tables, move the call to delete_dead_jumptables from here...
1517         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1518         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1519         don't allow merging of blocks that try_redirect_by_replacing_jump
1520         also does not handle when not optimizing.
1521
1522 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1523             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1524
1525         * config/i386/i386.md (x86_sahf_1): Correctly handle
1526         HAVE_AS_IX86_SAHF.
1527
1528 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1529
1530         PR target/31167
1531         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1532         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1533         from operand constraints and use "e" constraint instead.
1534         (*subti3_1, *subti3_1 splitter): Ditto.
1535         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1536         operand[1] predicate.
1537
1538 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1539
1540         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1541         arrays, multiply the access strides by the size of the sub-array.
1542         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1543
1544 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1545
1546         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1547         the configured assembler supports the sahf mnemonic.
1548         * configure: Regenerate.
1549         * config.in: Regenerate.
1550
1551         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1552         emit "sahf" or ".byte\t0x9e" as asm template.
1553
1554 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1555
1556         PR 31018
1557         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1558         option to replace hard coded TARGET_xxx in md file.
1559         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1560         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1561         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1562         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1563         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1564         (X86_TUNE_NOT_VECTORMODE): Ditto.
1565         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1566         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1567         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1568         (TUNE_SLOW_IMUL_IMM8): Ditto.
1569         (TUNE_MOVE_M1_VIA_OR): Ditto.
1570         (TUNE_NOT_UNPAIRABLE): Ditto.
1571         (TUNE_NOT_VECTORMODE): Ditto.
1572
1573         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1574         options.
1575
1576         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1577         tuning options instead of hard coded TARGET_xxx.
1578         (fix ssemode peephole2's): Ditto.
1579         (imul peephole2's): Ditto.
1580         (movsi_or): Ditto.
1581         (movdi_or_rex64): Ditto.
1582         (move peephole2): Ditto.
1583         (not peephole2's): Ditto.
1584
1585 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1586
1587         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1588         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1589         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1590         of empty body.
1591         * c-parser.c (c_parser_do_statement): Warn about empty body in
1592         do/while statement.
1593         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1594         * doc/invoke.texi (-Wempty-body): Update documentation.
1595
1596 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1597
1598         PR c/21438
1599         * c-common.h (warn_for_div_by_zero): Declare.
1600         * c-common.c (warn_for_div_by_zero): Define.
1601         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1602         warning.
1603
1604 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1605
1606         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1607         to PREFIX and STANDARD_PREFIX.
1608
1609 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1610             Phil Edwards  <phil@codesourcery.com>
1611
1612         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1613         (__gthread_once_t): Remove busy field for RTPs.
1614         (__GTHREAD_ONCE_INIT): Update accordingly.
1615
1616 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1617
1618         * doc/invoke.texi: Document VxWorks options.
1619
1620 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1621
1622         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1623
1624 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1625
1626         PR tree-optimization/30590
1627         * tree-nrv.c (tree_nrv): Check for the partial update of the
1628         return value.
1629
1630 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1631
1632         * flags.h (flag_random_seed): Remove declaration, in favor of...
1633         * toplev.h (get_random_seed, set_random_seed): ... these.
1634         * tree.c (get_file_function_name): Use the former.
1635         * opts.c (common_handle_option): Use the latter.
1636         * toplev.c
1637
1638 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1639
1640         PR middle-end/31127
1641         * cse.c (cse_find_path): Do not bail out if a basic block that
1642         we already visited now becomes part of a path that starts at a
1643         different basic block.  Just disallow this, to make sure we
1644         visit each basic block at most once.
1645
1646 2007-03-13  Jan Hubicka  <jh@suse.cz>
1647
1648         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1649         when profile esitmate is present, calls with very low frequency are
1650         cold.
1651
1652 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1653
1654         PR tree-optimization/30730
1655         PR tree-optimization/26900
1656         * tree-ssa-loop-niter.c: Include gmp.h.
1657         (bounds): New type.
1658         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1659         split_to_var_and_offset, determine_value_range,
1660         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1661         bound_difference, bounds_add, bounds_negate,
1662         number_of_iterations_ne_max, dump_affine_iv): New functions.
1663         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1664         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1665         difference of initial and final value of control iv to validate
1666         results.
1667         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1668         on the difference of the extremes of the control iv.  Add dumps.
1669         (expand_simple_operations): Handle phi nodes.
1670         (simplify_using_initial_conditions): Do not record used conditions.
1671         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1672         Do not set additional_info.
1673         (implies_nonnegative_p, implies_ge_p): Removed.
1674         (derive_constant_upper_bound): Do not use parameter `additional'.
1675         (record_estimate): Parameter `additional' removed.  Parameter
1676         `i_bound' added.  Do not call derive_constant_upper_bound.
1677         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1678         bound the number of iterations estimate.
1679         (estimate_numbers_of_iterations_loop): Pass the estimate from
1680         the number of iterations analysis to record_estimate.
1681         * tree.h (multiple_of_p): Declare.
1682         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1683         (scev_const_prop): Do not check expression_expensive_p.
1684         * fold-const.c (multiple_of_p): Exported.
1685         * double-int.c (double_int_mask): Exported.
1686         * double-int.h (double_int_mask): Declare.
1687         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1688         field.  Added max field.
1689
1690 2007-03-13  David Taylor  <taylor@candd.org>
1691
1692         PR driver/12448:
1693         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1694         default -MQ.
1695
1696 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1697
1698         PR target/31123
1699         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1700         two unamed patterns.
1701
1702 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1703
1704         * config/i386/i386.opt (mcx16, msahf): New options.
1705         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1706         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1707
1708         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1709         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1710         Output -mcx16 and -msahf options when corresponding bit is set.
1711
1712         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1713         and -msahf options.
1714
1715 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1716
1717         * configure.ac: Test for assembler tolerance to # 0 "".
1718         * configure, config.in: Rebuilt.
1719         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1720
1721 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1722
1723         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1724
1725         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1726         (handle_syscall): Handle direct system calls.
1727         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1728
1729 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1730
1731         * doc/invoke.texi: Fix cpp.info cross-reference.
1732         * doc/passes.texi: Fix gcc.info cross-reference.
1733
1734 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1735
1736         PR tree-optimization/30835
1737         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1738         bb_for_stmt is not NULL before accessing it.
1739
1740 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1741
1742         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1743         some multilibs.
1744
1745 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1746
1747         PR 30635
1748         * doc/install.texi: Document --enable-stage1-languages
1749
1750 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1751
1752         * tree-pass.h (pass_into_cfg_layout_mode,
1753         pass_outof_cfg_layout_mode): Declare.
1754         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1755         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1756         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1757         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1758
1759 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1760
1761         * c-decl.c (warn_variable_length_array): New function.
1762         Refactored from grokdeclarator to handle warn_vla
1763         and handle unnamed array case.
1764         (grokdeclarator): Refactored VLA warning case.
1765         * c.opt (Wvla): New flag.
1766         * doc/invoke.texi (Wvla): New warning.
1767
1768 2007-03-12  Richard Henderson  <rth@redhat.com>
1769
1770         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1771         (TARGET_SECTION_TYPE_FLAGS): New.
1772
1773 2007-03-12  Richard Henderson  <rth@redhat.com>
1774
1775         * config/darwin.c (machopic_reloc_rw_mask): New.
1776         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1777         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1778
1779 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1780
1781         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1782         * cppdefault.h (cpp_PREFIX): Document.
1783         (cpp_PREFIX_len): Likewise.
1784         (cpp_EXEC_PREFIX): New variable.
1785         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1786         * c-incpath.c (add_standard_paths): Correct logic for relocating
1787         paths within prefix.
1788
1789 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1790
1791         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1792         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1793         mode macro.
1794         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1795         fix_truncdfdi_sse using SSEMODEF mode macro.
1796         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1797         fix_truncdfsi_sse using SSEMODEF mode macro.
1798         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1799         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1800
1801 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1802
1803         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1804         elfos.h to tm_file.
1805
1806 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1807
1808         * tree.h : Add multiple_of_p declaration.
1809         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1810         * ipa-type-escape.c (results_of_malloc): Redundant.
1811         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1812         (cast_type): Extended with new members.
1813         (check_cast): Returns cast_type.
1814         (cast): New structure for data of walk_use_def_chains.
1815         (is_malloc_result, is_cast_from_non_pointer_1,
1816         is_cast_from_non_pointer,
1817         is_array_access_through_pointer_and_index): New functions.
1818         (look_for_casts): Returns cast types.
1819         (check_call): Returns void.
1820         (okay_pointer_operation): Use support of pointer plus index,
1821         pointer plus constant and allow all multiplications.
1822
1823 2007-03-11  Richard Guenther  <rguenther@suse.de>
1824
1825         PR tree-optimization/31115
1826         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1827         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1828         A shift count of zero is not special as with *_DIV_EXPR.
1829         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1830         direction.
1831
1832 2007-03-11  Ian Lance Taylor  <iant@google.com>
1833
1834         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1835         the *_DIV_EXPR codes correctly with overflow infinities.
1836
1837 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1838
1839         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1840         indicate success/failure of the analysis. Add negation to subtrahend
1841         in case of subtraction. Fail if both operands contain constants.
1842         (create_data_ref): Fail if analyze_offset fails.
1843
1844 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1845
1846         * config/i386/i386.md (frndintxf2): Rename to ...
1847         (rintxf2): ... this. Remove expander having same name.
1848         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1849         (roundsf2, rounddf2): Ditto.
1850         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1851         (lround<mode>di2, lround<mode>si2): Ditto.
1852
1853 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1854
1855         * lower-subreg.c: Include except.h.
1856         (decompose_multiword_subregs): Verify that the only control flow
1857         insns we can split are loads to multi-words pseudos.
1858         Handle breaking such blocks after splitting, instead of calling
1859         find_many_sub_basic_blocks.
1860
1861         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1862         on the new basic block.  Add a lengthy comment explaining why we
1863         thought this was necessary.
1864         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1865
1866 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1867
1868         PR c++/30924
1869         * tree.c (walk_type_fields): Recurse into the element type of
1870         ARRAY_TYPEs if there is a pointer set.
1871
1872 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1873
1874         * c-common.c (warn_logical_operator): Fix condition.
1875
1876 2007-03-10  Tobias Schl├╝ter  <tobi@gcc.gnu.org>
1877
1878         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1879         quotation mark.
1880         * config/darwin.c (machopic_select_section): Remove superfluous
1881         argument in call to categorize_decl_for_section.  Remove unused
1882         variable shlib.
1883
1884 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1885
1886         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1887         defined.
1888         * configure: Regenerate.
1889
1890 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1891
1892         PR target/31101
1893         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1894         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1895         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1896         Add LABEL_NUSES to emitted label.
1897         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1898         branch probability value to emitted jump insn.
1899         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1900         Do not check life information and do not re-arrange input operands
1901         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1902
1903 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1904
1905         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1906         the change of decode_asm_operands.
1907
1908 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1909
1910         * mode-switching.c (create_pre_exit): Skip blockage insn.
1911
1912 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1913
1914         * tree-pass.h (TODO_update_smt_usage): Remove.
1915         Update all users.
1916         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1917         argument SOME.
1918         Update all users.
1919
1920 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1921
1922         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1923         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1924         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1925         SOM target.
1926
1927 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1928
1929         * gcc.c: Document %{, in big comment at top.
1930         (input_suffix_matches): Remove special handling for .s and
1931         .S.
1932         (input_spec_matches): New.
1933         (handle_braces): Handle %{,.
1934         (validate_switches): ',' indicates a value which is not a switch.
1935         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1936         to detect assembler input.
1937         * config/i386/sol2.h (CPP_SPEC): Likewise.
1938         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1939         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1940         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1941         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1942         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1943         -m64 causes deployment target to default to 10.5.
1944         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1945
1946 2007-03-09  Richard Henderson  <rth@redhat.com>
1947
1948         PR target/26090
1949         * target.h (targetm.asm.out.reloc_rw_mask): New.
1950         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1951         (TARGET_ASM_OUT): Use it.
1952         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1953         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1954         use the new reloc_rw_mask target hook instead.
1955         (default_section_type_flags_1): Merge into...
1956         (default_section_type_flags): ... here.
1957         (decl_readonly_section_1): Merge into...
1958         (decl_readonly_section): ... here.
1959         (default_elf_select_section_1): Merge into...
1960         (default_elf_select_section): ... here.
1961         (default_unique_section_1): Merge into...
1962         (default_unique_section): ... here.
1963         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1964         (default_select_rtx_section): Use it.
1965         (default_elf_select_rtx_section): Likewise.
1966         * output.h: Update to match.
1967         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1968         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1969         (TARGET_ASM_RELOC_RW_MASK): New.
1970         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1971         to categorize_decl_for_section.
1972         (x86_64_elf_unique_section): Likewise.
1973         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1974         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1975         (TARGET_ASM_RELOC_RW_MASK): New.
1976         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1977         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1978         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1979         (TARGET_RWRELOC): Remove.
1980         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1981         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1982         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1983         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1984         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1985         (rs6000_xcoff_select_section): Use decl_readonly_section.
1986         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1987         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1988         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1989         (TARGET_SECTION_TYPE_FLAGS): Remove.
1990         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1991
1992 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1993
1994         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1995         complex constant equality/inequality comparisons for here.
1996         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1997         known at compile-time or can be simplified to a scalar comparison.
1998         (fold_relational_const): Move compile-time evaluation of complex
1999         constant equality/inequality comparisons to here.
2000
2001 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2002
2003         PR rtl-optimization/30643
2004         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2005         dest_addr_elt.
2006         (fold_rtx): Recurse, like before 2006-11-03.
2007
2008 2007-03-09  DJ Delorie  <dj@redhat.com>
2009
2010         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2011         m32c-pragma.o.
2012
2013 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2014
2015         PR tree-optimization/30375
2016         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2017         LHS of statements is not the same.
2018         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2019
2020 2007-03-09  Chao-ying Fu  <fu@mips.com>
2021
2022         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2023         REV 2.
2024         * doc/invoke.texi (-mdspr2): Document new option.
2025         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2026         New unspec for DSP REV 2.
2027         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2028         these instructions are extended in DSP REV 2.
2029         (mips-dspr2.md): Include.
2030         * config/mips/mips.opt (mdspr2): New option.
2031         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2032         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2033         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2034         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2035         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2036         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2037         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2038         and 2 builtins.
2039         (bdesc_map): Add one field of unsupported_target_flags.
2040         (bdesc_arrays):  Update entries to have extra fields.  Add
2041         dsp_32only_bdesc.
2042         (mips_init_builtins): Initialize new function types.
2043         Check unsupported_target_fileds to filter out builtins.
2044         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2045         TARGET_DSPR2.
2046         (ASM_SPEC): Pass mdspr2 to the assembler.
2047         * config/mips/mips-dspr2.md: New file.
2048
2049 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2050
2051         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2052
2053 2007-03-09  Ian Lance Taylor  <iant@google.com>
2054
2055         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2056         argument) like -Wstrict-overflow=2.
2057         * doc/invoke.texi (Warning Options): Update documentation.
2058
2059 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2060
2061         PR c++/17946
2062         * doc/invoke.texi (-Wlogical-op): Document.
2063         * common.opt (-Wlogical-op): New.
2064         * c-common.h (warn_logical_operator): Declare.
2065         * c-common.c (warn_logical_operator): Define.
2066         * c-typeck.c (parser_build_binary_op): Call
2067         warn_logical_operator.
2068
2069 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2070
2071         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2072         * final.c (final_scan_insn): Test for non-"" file name.
2073
2074 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2075
2076         * doc/loop.texi: Document the Omega linear constraints solver.
2077         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2078         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2079         omega-hash-table-size, omega-max-keys, and
2080         omega-eliminate-redundant-constraints.
2081         * tree-pass.h (pass_check_data_deps): Declared.
2082         * omega.c: New.
2083         * omega.h: New.
2084         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2085         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2086         pass_check_data_deps): New.
2087         * tree-data-ref.c (init_data_ref): Remove declaration.
2088         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2089         (analyze_array): Renamed init_array_ref, move up initializations.
2090         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2091         Removed arguments that are set to NULL.
2092         (analyze_indirect_ref): Correct indentation, correct call to
2093         init_pointer_ref.
2094         (object_analysis): Call init_array_ref instead of analyze_array.
2095         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2096         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2097         of DR_ACCESS_FNS_ADDR.
2098         (init_omega_eq_with_af, omega_extract_distance_vectors,
2099         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2100         ddr_consistent_p): New.
2101         (compute_affine_dependence): Check consistency of ddrs when
2102         flag_check_data_deps is passed.
2103         (analyze_all_data_dependences): Uncomment.
2104         (tree_check_data_deps): New.
2105         * tree-data-ref.h: Include omega.h.
2106         (DR_ACCESS_FNS_ADDR): Removed.
2107         (data_dependence_relation): Add inner_loop.
2108         (DDR_INNER_LOOP): New.
2109         * common.opt (fcheck-data-deps): New.
2110         * tree-flow.h (tree_check_data_deps): Declare.
2111         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2112         (OBJS-common): Depend on omega.o.
2113         (omega.o): Define.
2114         * passes.c (pass_check_data_deps): Scheduled.
2115         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2116         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2117         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2118         PARAM_VECT_MAX_VERSION_CHECKS,
2119         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2120
2121 2007-03-09  Richard Guenther  <rguenther@suse.de>
2122
2123         PR tree-optimization/30904
2124         PR middle-end/31058
2125         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2126         the same way as *_DIV_EXPR.
2127
2128 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2129
2130         * recog.c (decode_asm_operands): No mixed declarations and code.
2131
2132 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2133
2134         * rtl.def (ASM_INPUT): Add location.
2135         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2136         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2137         (decode_asm_operands): Add loc operand.
2138         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2139         * stmt.c (expand_asm): Rename to...
2140         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2141         gen_rtx_ASM_INPUT_loc.
2142         (expand_asm_expr): Adjust.
2143         * recog.c (decode_asm_operands): Add loc operand.
2144         (check_asm_operands, extract_insn): Adjust.
2145         * reload1.c (maybe_fix_stack_asms): Likewise.
2146         * final.c (asm_insn_count): Likewise.
2147         (final_scan_insn): Output # line before and after asm.
2148
2149 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2150
2151         * tree-ssa-structalias.c (variable_info): Remove
2152         finished_solution.
2153         (new_var_info): Ditto.
2154         (shared_bitmap_info_t): New structure.
2155         (shared_bitmap_table): New variable.
2156         (shared_bitmap_hash): New function.
2157         (shared_bitmap_eq): Ditto
2158         (shared_bitmap_lookup): Ditto.
2159         (shared_bitmap_add): Ditto.
2160         (merge_smts_into): Change to take bitmap directly.
2161         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2162         (init_alias_vars): Init shared bitmap hashtable.
2163         (delete_points_to_sets): Delete shared bitmap hashtable.
2164         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2165         is_aliased removal as a change that was still necessary was
2166         deleted.
2167
2168 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2169
2170         * config/i386/i386.h (override_options): Conditionally disable
2171         x86_sahf for 64bit targets only.
2172
2173 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2174
2175         PR C/31072
2176         * c-decl.c (merge_decls): Don't call make_var_volatile.
2177         * varasm.c (make_var_volatile): Remove.
2178         * output.h (make_var_volatile): Remove.
2179
2180 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2181
2182         PR tree-optimization/31085
2183         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2184
2185 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2186
2187         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2188         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2189         ATTR_CONST_NOTHROW_LIST.
2190
2191         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2192         FIX_TRUNC_EXPR.
2193
2194 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2195
2196         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2197
2198 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2199
2200         PR 31013
2201         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2202         is declared.
2203         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2204         passed, use shared libgcc.
2205
2206 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2207
2208         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2209         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2210         (honor_protect_cleanup_actions, lower_try_finally_switch):
2211         Likewise.
2212         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2213         ifc_temp_var): Likewise.
2214         * tree-inline.c (setup_one_parameter): Likewise.
2215         * tree-mudflap.c (mf_decl_cache_locals,
2216         mf_build_check_statement_for): Likewise.
2217         * tree-nested.c (init_tmp_var, save_tmp_var,
2218         finalize_nesting_tree_1): Likewise.
2219         * tree-outof-ssa.c (insert_copy_on_edge,
2220         insert_backedge_copies): Likewise.
2221         * tree-profile.c (tree_gen_edge_profiler,
2222         tree_gen_ic_profiler): Likewise.
2223         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2224         * tree-sra.c (sra_build_assignment): Likewise.
2225         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2226         * tree-ssa-math-opts.c (insert_reciprocals,
2227         execute_cse_sincos_1): Likewise.
2228         * tree-tailcall.c (adjust_accumulator_values,
2229         adjust_return_value): Likewise.
2230         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2231         * tree-vect-transform.c (vect_create_data_ref_ptr,
2232         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2233         vect_create_epilog_for_reduction, vectorizable_reduction,
2234         vectorizable_call, vectorizable_conversion,
2235         vectorizable_assignment, vectorizable_operation,
2236         vectorizable_type_demotion, vect_gen_widened_results_half,
2237         vect_permute_store_chain, vectorizable_store,
2238         vect_setup_realignment, vect_permute_load_chain,
2239         vectorizable_load, vectorizable_condition,
2240         vect_create_cond_for_align_checks): Likewise.
2241         * tree-vrp.c (build_assert_expr_for): Likewise.
2242
2243 2007-03-08  Ian Lance Taylor  <iant@google.com>
2244
2245         * tree-vrp.c: Include "intl.h".
2246         (usable_range_p): New static function.
2247         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2248         overflowed values, juts set *strict_overflow_p.
2249         (compare_values): Only return -2 if one of the operands is not a
2250         constant.
2251         (compare_ranges): Call usable_range_p.
2252         (compare_range_with_value): Likewise.
2253         (vrp_evaluate_conditional_warnv): Rename from
2254         vrp_evaluate_conditional.  Make static.  Change all callers.
2255         (vrp_evaluate_conditional): New function.
2256         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2257         on signed overflow.
2258         (simplify_abs_using_ranges): Likewise.
2259         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2260         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2261         within_stmt parameter.
2262         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2263         vrp_evaluate_conditional.
2264         * tree-ssa-threadedge.c
2265         (record_temporary_equivalences_from_stmts_at_dest): Change
2266         simplify parameter to take a second tree parameter.
2267         (simplify_control_stmt_condition): Likewise.
2268         (thread_across_edge): Likewise.
2269         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2270         (thread_across_edge): Likewise.
2271         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2272
2273 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2274
2275         * config/i386/i386.h (TARGET_SAHF): New define.
2276         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2277         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2278         (x86_sahf): New global variable.
2279         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2280         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2281         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2282         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2283         for 64-bit.
2284         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2285         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2286         when expanding fcomi/sahf based tests.
2287         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2288         expanding sahf based alternative. Emit sahf based sequence when
2289         optimizing for code size.
2290         * config/i386/i386.md (x86_sahf_1): Do not disable for
2291         TARGET_64BIT, enable for TARGET_SAHF.
2292
2293 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2294
2295         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2296         spurious whitespace from error message.
2297
2298 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2299
2300         PR c++/30852
2301         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2302
2303 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2304
2305         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2306         bitfields.
2307         * tree-sra.c (instantiate_element): Propagate disabled warnings
2308         from the element itself to the created variable.
2309
2310 2007-03-07  Richard Henderson  <rth@redhat.com>
2311
2312         PR target/30848
2313         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2314         silently fix up the stack in the case of a missing register.
2315
2316 2007-03-07  Paul Brook  <paul@codesourcery.com>
2317
2318         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2319
2320 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2321
2322         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2323         New.
2324         (phase1_vrs): Use them.
2325         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2326         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2327         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2328         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2329         __gnu_Unwind_Restore_WMMXC if required.
2330         (_Unwind_VRS_Pop): Implement iWMMXt support.
2331         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2332         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2333         gnu_Unwind_Save_WMMXC): Define.
2334
2335 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2336
2337         * config/vxworks.h (vxworks_override_options): Declare.
2338         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2339         * config/vxworks.c: Include target.h and toplev.h.
2340         (vxworks_override_options): New function.
2341         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2342
2343 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2344
2345         * config/s390/s390.c (override_options): Don't emit an error when
2346         -mstack-size is used without providing -mstack-guard.
2347         (s390_emit_prologue): Choose stack_guard value automatically if not
2348         provided via command line.
2349         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2350
2351 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2352
2353         * config/i386/i386.c (output_set_got): Add a GOT initialization
2354         sequence for VxWorks PIC.
2355         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2356         around labels as well as symbols.  Use gotoff_operand instead
2357         of local_symbolic_operand.
2358         (legitimize_pic_address): Use gotoff_operand instead of
2359         local_symbolic_operand.  Use @GOT accesses for labels as
2360         well as symbols.
2361         (ix86_output_addr_diff_elt): Use PC-relative rather than
2362         GP-relative offsets for VxWorks PIC.
2363         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2364         no_new_pseudos.  Check whether the returned register is op0.
2365         * config/i386/i386.md (tablejump): Use PC-relative rather than
2366         GP-relative offsets for VxWorks PIC.
2367         * config/i386/predicates.md (gotoff_operand): New predicate.
2368
2369 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2370
2371         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2372         before defining.
2373         * config/vxworks-dummy.h: New file.
2374         * config/i386/i386.h: Include it.
2375
2376 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2377
2378         * dwarf2out.c (is_inlined_entry_point): New
2379         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2380         DW_AT_ranges if the first subblock is the entry point.
2381
2382 2007-03-06  David Daney  <ddaney@avtrex.com>
2383
2384         * doc/install.texi (mips-*-*): Change recommended binutils
2385         version.
2386
2387 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2388
2389         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2390         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2391         devices.
2392         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2393         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2394
2395 2007-03-06  Jan Hubicka  <jh@suse.cz>
2396
2397         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2398         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2399         are hot.
2400         (probably_cold_bb_p): Cold functions are cold.
2401         (probably_never_executed_bb_p): Cold functions are cold.
2402         (tree_bb_level_predictions): Predict calls to cold functions as not
2403         taken.
2404         (compute_function_frequency): Check hot/cold attributes.
2405         * function.h (function_frequency): Update comments.
2406         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2407         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2408         (c_common_att): Add cold and hot.
2409
2410         * doc/extend.texi (hot,cold attributes): Document.
2411
2412 2007-03-06  Andrew Haley  <aph@redhat.com>
2413
2414         * function.c (expand_function_end): Move blockage to just after we
2415         emit the label for the naked return from the function.
2416
2417 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2418
2419         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2420         before redefining.
2421
2422 2007-03-06  Jan Hubicka  <jh@suse.cz>
2423
2424         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2425         loaded for constant large models.  Non-large 64bit PIC can do.
2426         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2427         * cmodel.h: Add LARGE PIC.
2428         * i386.md (UNSPEC_PLTOFF): New.
2429         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2430         needed.
2431         (*call_1_rex64): Disable for large models.
2432         (*call_1_rex64_large): New.
2433         (*call_value_1_rex64): Disable for large models.
2434         (*call_value_1_rex64_large): New.
2435         (set_rip_rex4): New.
2436         (set_got_offset_rex64): New.
2437         * predicates.md (constant_call_address_operand): For large model
2438         constant calls are not possible.
2439         * i386-protos.h (construct_plt_address): Declare.
2440         * i386.c (override_options): Accept large models.
2441         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2442         (legitimate_constant_p): Add new UNSPECs.
2443         (legitimate_pic_operand_p): Likewise.
2444         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2445         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2446         non-large model.
2447         (output_pic_addr_const): Add PLTOFF.
2448         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2449         (ix86_expand_move): Legitimize pic address when in PIC mode.
2450         (construct_plt_address): New function.
2451         (ix86_expand_call): Offload the address to register and use GOT pointer
2452         for large model.
2453         * invoke.texi (mcmodel=large): Update documentation.
2454
2455 2007-03-06  Richard Henderson  <rth@redhat.com>
2456
2457         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2458         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2459         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2460         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2461         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2462         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2463         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2464         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2465         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2466         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2467         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2468         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2469         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2470         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2471         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2472         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2473         x86_schedule, x86_use_bt, x86_pad_returns,
2474         x86_use_xchgb): Merge into ...
2475         (ix86_tune_features): ... here.  New array.
2476         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2477         x86_bswap): Merge into ...
2478         (ix86_arch_features): ... here.  New array.
2479         (x86_3dnow_a): Remove.
2480         (x86_accumulate_outgoing_args): Make static.
2481         (x86_arch_always_fancy_math_387): Make static.
2482         (ix86_tune_mask, ix86_arch_mask): Move ...
2483         (override_options): ... to local variables here.  Apply the
2484         appropriate mask to each element of ix86_arch_features and
2485         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2486         as were done in the old macros.
2487         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2488         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2489         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2490         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2491         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2492         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2493         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2494         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2495         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2496         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2497         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2498         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2499         x86_accumulate_outgoing_args, x86_prologue_using_move,
2500         x86_epilogue_using_move, x86_decompose_lea,
2501         x86_arch_always_fancy_math_387, x86_shift1,
2502         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2503         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2504         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2505         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2506         x86_use_incdec, x86_pad_returns, x86_bswap,
2507         x86_partial_flag_reg_stall): Remove.
2508         (enum ix86_tune_indices): New.
2509         (ix86_tune_features): New.
2510         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2511         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2512         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2513         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2514         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2515         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2516         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2517         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2518         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2519         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2520         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2521         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2522         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2523         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2524         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2525         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2526         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2527         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2528         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2529         TARGET_EXT_80387_CONSTANTS): Use it.
2530         (enum ix86_arch_indices): New.
2531         (ix86_arch_features): New.
2532         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2533         TARGET_BSWAP): Use it.
2534         (ix86_tune_mask, ix86_arch_mask): Remove.
2535
2536 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2537
2538         PR bootstrap/31020
2539         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2540         Define using $${sysroot_headers_suffix}.
2541         * configure: Regenerate.
2542         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2543         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2544         defined.
2545         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2546         * gcc.c (print_sysroot_headers_suffix): New.
2547         (option_map): Include --print-sysroot-headers-suffix.
2548         (display_help): Mention -print-sysroot-headers-suffix.
2549         (process_command): Handle -print-sysroot-headers-suffix.
2550         (do_spec_1): Append multilib directory to include-fixed path if
2551         sysroot suffixes in use.
2552         (main): Handle -print-sysroot-headers-suffix.
2553         * Makefile.in (start.encap): Don't depend on xlimits.h
2554         (xlimits.h): Remove.
2555         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2556         limits.h for each multilib in fixinc_list.
2557         (fixinc_list, s-fixinc_list): New.
2558         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2559         generate them for each multilib in fixinc_list.
2560         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2561         multilib in fixinc_list.
2562         (mostlyclean): Don't remove xlimits.h.
2563         (clean): Remove include-fixed.
2564         (real-install-headers-tar, real-install-headers-cpio,
2565         real-install-headers-cp): Don't copy include, only include-fixed.
2566         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2567         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2568         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2569         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2570
2571 2007-03-06  Jan Hubicka  <jh@suse.cz>
2572
2573         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2574         NANs easilly.
2575
2576 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2577
2578         * configure.ac: Allow tm_file to contain build-directory files.
2579         * configure: Regenerate.
2580         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2581         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2582         * config/m68k/print-sysroot-suffix.sh: New file.
2583
2584 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2585
2586         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2587         of pic_offset_table_rtx if reload_completed.
2588         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2589         PIC_OFFSET_TABLE_REGNUM.
2590         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2591         return true.
2592         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2593         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2594
2595 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2596
2597         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2598         functions that call eh_return.
2599
2600 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2601
2602         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2603         functions that need a constant pool.
2604
2605 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2606
2607         PR target/28181
2608         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2609         (m68k_preferred_reload_class): Likewise.
2610         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2611         (SECONDARY_RELOAD_CLASS): Define.
2612         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2613         (LIMIT_RELOAD_CLASS): Delete.
2614         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2615         registers from storing bytes.
2616         (m68k_secondary_reload_class): New function.
2617         (m68k_preferred_reload_class): Likewise.
2618
2619 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2620
2621         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2622         leaf functions.
2623         (m68k_expand_prologue): Likewise.
2624
2625 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2626
2627         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2628         (mips_expand_epilogue): Add a bool parameter.
2629         (m68k_legitimize_sibcall_address): Declare.
2630         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2631         (m68k_expand_epilogue): Add a parameter to select between sibling
2632         and normal epilogues.  Only generate a return for the latter.
2633         (m68k_ok_for_sibcall_p): New function.
2634         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2635         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2636         (sibcall_value, *sibcall_value): Likewise.
2637         (*call, *call_value): Require !SIBLING_CALL_P.
2638         (epilogue): Update call to m68k_expand_epilogue.
2639         (sibcall_epilogue): New pattern.
2640         * config/m68k/predicates.md (const_call_operand): Say that this
2641         predicate applies to sibling calls too.
2642         (sibcall_operand): New predicate.
2643
2644 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2645
2646         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2647         alternatives as movsi_cf.
2648         (movsf_cf_hard): Add commentary.
2649
2650 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2651             Richard Sandiford  <richard@codesourcery.com>
2652
2653         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2654         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2655         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2656         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2657         as being live on exit from an interrupt function.
2658         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2659         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2660         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2661         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2662         (m68k_interrupt_function_p): Globalize.
2663         (m68k_compute_frame_layout): Remove reverse mask code.
2664         (m68k_emit_movem, m68k_set_frame_related): New functions.
2665         (m68k_output_function_prologue): Delete in favor of...
2666         (m68k_expand_prologue): ...this new function.
2667         (m68k_output_function_epilogue): Delete in favor of...
2668         (m68k_expand_epilogue): ...this new function.
2669         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2670         functions.
2671         (print_operand): Handle %?.
2672         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2673         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2674         (prologue, epilogue): New patterns.
2675         (return): Turn into a define_expand.
2676         (*return): New pattern, derived from old "return" pattern.  Use rte
2677         rather than rts for interrupt functions.  Only use rtd if the pop
2678         count is nonzero.
2679         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2680         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2681         (link, *link, unlink, *unlink, load_got): Likewise.
2682
2683 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2684
2685         PR target/23482
2686         PR target/17114
2687         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2688         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2689         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2690         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2691         and m68k_matches_u_p.
2692         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2693         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2694         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2695         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2696         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2697         (REG_STRICT_P): New macro.
2698         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2699         PCREL_GENERAL_OPERAND_OK.
2700         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2701         m68k_legitimate_base_reg_p.
2702         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2703         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2704         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2705         * config/m68k/m68k.c (m68k_address): New structure.
2706         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2707         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2708         (m68k_jump_table_ref_p, m68k_decompose_address)
2709         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2710         (m68k_matches_u_p): New functions.
2711         (print_operand_address): Rewrite to use m68k_decompose_index.
2712
2713 2007-03-05  David Taylor  <dtaylor@emc.com>
2714
2715         * gcc.c: Correct copyright date in --version output.
2716
2717 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2718
2719         * pa.md: In unamed move patterns, disparge copies between general
2720         and floating point registers using '?' modifier.  Don't include 'f'
2721         constraint for register preferences in DImode, SImode, HImode and
2722         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2723         Remove constraints for copies between general and floating registers
2724         in soft-float DFmode pattern.
2725         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2726         floating register.
2727         (movsf): Likewise.
2728
2729 2007-03-05  Mike Stump  <mrs@apple.com>
2730
2731         * c-common.c (targetcm): Add.
2732         * c-opts.c (c_common_handle_option): Handle language specific
2733         target options.
2734         * opts.c (handle_option): Verify language for target options, if
2735         any are given.
2736         * opth-gen.awk: Add CL_LANG_ALL.
2737         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2738         (TARGETCM_INITIALIZER): Add.
2739         * target.h (struct gcc_targetcm): Add.
2740         (targetcm): Add.
2741         * targhooks.c (default_handle_c_option): Add.
2742         * targhooks.h (default_handle_c_option): Add.
2743         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2744
2745         * config/darwin.opt (iframework): Add.
2746         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2747         * config/darwin-c.c (handle_c_option): Add.
2748         (TARGET_HANDLE_C_OPTION): Add.
2749         (targetcm): Add.
2750         * doc/invoke.texi (Darwin Options): Add -iframework.
2751
2752 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2753
2754         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2755         conversion.
2756
2757 2007-03-05  Ian Lance Taylor  <iant@google.com>
2758
2759         * c.opt (fgnu89-inline): New option.
2760         * c-opts.c (c_common_post_options): Set default value for
2761         flag_gnu89_inline.
2762         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2763         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2764         inline functions.
2765         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2766         (grokdeclarator, start_function): Likewise.
2767         * c-cppbuiltin.c (c_cpp_builtins): Define either
2768         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2769         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2770         (C Dialect Options): Document -fgnu89-inline.
2771         * doc/extend.texi (Function Attributes): Explain what the
2772         gnu_inline attribute does.
2773         * doc/cpp.texi (Common Predefined Macros): Document
2774         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2775
2776 2007-03-05  Ian Lance Taylor  <iant@google.com>
2777
2778         PR tree-optimization/31034
2779         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2780         half-range if the other side is an overflow infinity.
2781
2782 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2783
2784         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2785         (bfin*-linux-uclibc*): New configuration.
2786         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2787         defining.
2788         * config/bfin/linux.h: New file.
2789         * config/bfin/libgcc-bfin.ver: New file.
2790         * config/bfin/t-bfin-uclinux: New file.
2791         * config/bfin/t-bfin-linux: New file.
2792         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2793         (TARGET_OS_CPP_BUILTINS): New macro.
2794
2795 2007-03-05  Richard Guenther  <rguenther@suse.de>
2796
2797         * fold-const.c (fold_binary): Remove duplicate folding
2798         of comparison of non-null ADDR_EXPR against null.
2799
2800 2007-03-05  Richard Guenther  <rguenther@suse.de>
2801             Dorit Nuzman  <dorit@il.ibm.com>
2802
2803         PR tree-optimization/26420
2804         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2805         are no loops in the function.  Only print the number of
2806         vectorized loops if it is greater than zero or we are supposed
2807         to print information about unvectorized loops.
2808
2809 2007-03-05  Revital Eres  <eres@il.ibm.com>
2810
2811         * gcc.dg/var-expand1.c: New test.
2812         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2813         when an accumulator is expanded.
2814
2815 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2816
2817         PR other/30465
2818         * c-common.c (convert_and_check): Don't give warnings for
2819         conversion if 'expr' already overflowed.
2820
2821 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2822
2823         PR middle-end/30744
2824         * fold-const.c (fold_comparison): Enforce type consistency when
2825         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2826
2827 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2828
2829         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2830         containing a cast to the base of TARGET_MEM_REF.
2831
2832 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2833
2834         * tree.c (tree_contains_struct_check_failed): Remove spurious
2835         whitespace from error message.
2836
2837 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2838
2839         PR target/30406
2840         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2841         instead of precision.
2842
2843 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2844             Nathan Sidwell  <nathan@codesourcery.com>
2845
2846         * emit-rtl.c (find_auto_inc): New.
2847         (try_split): recreate REG_INC notes,
2848         Use regular for loops rather than whiles.
2849
2850 2007-03-03  Andreas Schwab  <schwab@suse.de>
2851
2852         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2853         * configure: Regenerate.
2854
2855 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2856
2857         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2858         flag_rounding_math, not flag_unsafe_math_optimizations.
2859
2860         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2861         fold_build2.
2862         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2863         alpha_fold_vector_minmax): Likewise.
2864         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2865         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2866
2867 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2868
2869         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2870         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2871         if the lhs has side-effects.
2872         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2873
2874 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2875
2876         * config/i386/i386.h (TUNEMASK): Remove define.
2877         (ARCHMASK): Remove define.
2878         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2879          Use ix86_arch_mask variable instead of ARCHMASK.
2880         * config/i386/i386.c (override_options): Ditto.
2881         (standard_80387_constant_p): Ditto.
2882
2883 2007-03-02  Ian Lance Taylor  <iant@google.com>
2884
2885         Used signed infinities in VRP.
2886         * tree-vrp.c (uses_overflow_infinity): New static function.
2887         (supports_overflow_infinity): New static function.
2888         (make_overflow_infinity): New static function.
2889         (negative_overflow_infinity): New static function.
2890         (positive_overflow_infinity): New static function.
2891         (is_negative_overflow_infinity): New static function.
2892         (is_positive_overflow_infinity): New static function.
2893         (is_overflow_infinity): New static function.
2894         (overflow_infinity_range_p): New static function.
2895         (compare_values_warnv): New function split out of compare_values.
2896         (compare_value): Call it.
2897         (set_value_range_to_nonnegative): Add overflow_infinity
2898         parameter.  Change caller.
2899         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2900         Change callers.
2901         (vrp_expr_computes_nonzero): Likewise.
2902         (compare_ranges, compare_range_with_value): Likewise.
2903         (compare_name_with_value, compare_names): Likewise.
2904         (vrp_evaluate_conditional): Likewise.
2905         (set_value_range): Handle infinity
2906         (vrp_operand_equal_p, operand_less_p): Likewise.
2907         (extract_range_from_assert): Likewise.
2908         (vrp_int_const_binop): Likewise.
2909         (extract_range_from_binary_expr): Likewise.
2910         (extract_range_from_unary_expr): Likewise.
2911         (extract_range_from_comparison): Likewise.
2912         (extract_range_from_expr): Likewise.
2913         (dump_value_range): Likewise.
2914         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2915         (test_for_singularity): Likewise.
2916         (vrp_int_const_binop): Remove inline qualifier.
2917         (adjust_range_with_scev): Add comment.
2918         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2919
2920 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2921
2922         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2923         (get_constraint_for): Likewise.
2924         (do_structure_copy): Likewise.
2925         (find_func_aliases): Fix references to MODIFY_EXPR.
2926         (intra_create_variable_infos): Tidy.
2927         * tree-ssa-operands.c (add_virtual_operand): Add argument
2928         IS_CALL_SITE.
2929         When adding members of alias sets, if IS_CALL_SITE is true and
2930         the symbol is not call-clobbered, skip it.
2931         Adjust all callers.
2932
2933 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2934
2935         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2936         entry by means of emit_insn_at_entry.
2937
2938 2007-03-02  Richard Henderson  <rth@redhat.com>
2939
2940         * expr.h (promoted_input_arg): Remove decl.
2941         * function.c (promoted_input_arg): Merge into ...
2942         * combine.c (setup_incoming_promotions): ... only caller.
2943         Rearrange to avoid double loop.
2944
2945 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2946             Peter Bergner  <bergner@vnet.ibm.com>
2947             Janis Johnson  <janis187@us.ibm.com>
2948
2949         * config/rs6000/dfp.md: New file.
2950         * config/rs6000/rs6000.md: Include dfp.md.
2951         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2952         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2953         and TDmode decimal float modes in FP registers.
2954         (num_insns_constant): Likewise.
2955         (rs6000_legitimate_offset_address_p): Likewise.
2956         (rs6000_legitimize_address): Likewise.
2957         (rs6000_legitimize_reload_address): Likewise.
2958         (rs6000_legitimate_address): Likewise.
2959         (rs6000_emit_move): Likewise.
2960         (function_arg_boundary): Likewise.
2961         (function_arg_advance): Likewise.
2962         (rs6000_darwin64_record_arg_recurse): Likewise.
2963         (function_arg): Likewise.
2964         (rs6000_gimplify_va_arg): Likewise.
2965         (rs6000_split_multireg_move): Likewise.
2966         (rs6000_output_function_epilogue): Likewise.
2967         (rs6000_output_function_epilogue): Likewise.
2968         (rs6000_register_move_cost): Likewise.
2969         (rs6000_function_value): Likewise.
2970         (rs6000_libcall_value): Likewise.
2971
2972 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2973
2974         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2975
2976 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2977
2978         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2979         Use $MULTIDIR to choose between the kernel and RTP headers,
2980         and use $WIND_BASE and $WIND_USR to locate them.
2981
2982 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2983
2984         * config/i386/i386.c (override_options): Put initialization of
2985         ix86_tune_mask and ix86_arch_mask to the correct place.
2986
2987 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2988             Michael Meissner  <michael.meissner@amd.com>
2989
2990         PR target/31019
2991         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2992         (ARCHMASK): Define.
2993         (TARGET_CMOVE): Use ARCHMASK.
2994         (TARGET_CMPXCHG): Ditto.
2995         (TARGET_CMPXCHG8B): Ditto.
2996         (TARGET_XADD): Ditto.
2997         (TARGET_BSWAP): Ditto.
2998         * config/i386/i386.c (ix86_tune_mask): New global variable.
2999         (ix86_arch_mask): Ditto.
3000         (override_options): Initialize ix86_tune_mask and
3001         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3002         target_flags.
3003
3004 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3005
3006         PR 30992
3007         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3008
3009 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3010
3011         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3012         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3013         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3014         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3015         hook.
3016         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3017         rs6000_init_dwarf_reg_sizes_extra): New.
3018         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3019         SPE register high parts.
3020
3021 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3022
3023         * Makefile.in: Add install-pdf target as
3024         copied from automake v1.10 rules.
3025         * configure.ac: Add install-pdf to target list.
3026         * configure: Regenerate.
3027
3028 2007-03-01  Paul Brook  <paul@codesourcery.com>
3029
3030         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3031         modes to LDRD for DImode.
3032         (output_move_double): Fixup out of range ldrd/strd.
3033         (vfp_secondary_reload_class): Rename...
3034         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3035         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3036         coproc_secondary_reload_class for CLASS_IWMMXT.
3037         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3038         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3039
3040 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3041
3042         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3043         factor by the estimated number of iterations.
3044         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3045         prefetch latency.
3046
3047         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3048         decode_caches_intel, detect_caches_intel): New functions.
3049         (host_detect_local_cpu): Use detect_caches_amd and
3050         detect_caches_intel.
3051
3052 2007-03-01  Richard Henderson  <rth@redhat.com>
3053
3054         * expr.c (emit_move_complex_push): Export.
3055         (emit_move_complex_parts): Split out from ...
3056         (emit_move_complex): ... here.
3057         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3058         * config/i386/i386.md (movcdi): New.
3059
3060 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3061
3062         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3063         size of mode1 to check for tieable modes in MMX case.
3064
3065 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3066
3067         * Makefile.in (rtlanal.o): Depend on tree.h.
3068         * rtl.h (offset_within_section_p, split_const): Declare.
3069         * rtlanal.c: Include tree.h.
3070         (offset_within_block_p): New function, taken from
3071         mips_offset_within_object_p.
3072         (split_const): New function, taken from mips_split_const.
3073         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3074         Declare.
3075         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3076         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3077         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3078         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3079         (m68k_illegitimate_symbolic_constant_p): New function.
3080         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3081         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3082         symbolic constant that might be outside the symbol's section,
3083         move the symbol first and then add the offset.
3084         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3085         Override.
3086         * config/mips/mips.c (mips_split_const): Delete.
3087         (mips_offset_within_object_p): Delete.
3088         (mips_symbolic_constant_p): Use offset_within_section_p and
3089         split_const instead of mips_offset_within_object_p and
3090         mips_split_const.
3091         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3092         (mips_legitimize_const_move, print_operand_reloc)
3093         (mips_dangerous_for_la25_p): Use split_const instead of
3094         mips_split_const.
3095
3096 2007-02-28  Eric Christopher  <echristo@apple.com>
3097
3098         * Makefile.in (install-include-dir): Don't rm -rf include.
3099
3100 2007-02-28  Richard Guenther  <rguenther@suse.de>
3101
3102         PR middle-end/30364
3103         * fold-const.c (fold_binary): Do not associate expressions
3104         with more than one variable for integer types that do not wrap.
3105
3106 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3107
3108         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3109         Delete, and replace with...
3110         (fold_builtin_call_array): This.  Update callers to use it.
3111         * fold-const.c (fold_build_call_list): Delete, and replace with...
3112         (fold_build_call_array): This.
3113         (fold_build_call_list_initializer): Delete, and replace with...
3114         (fold_build_call_array_initializer): This.
3115         * tree.h: Update declarations to reflect above changes.
3116
3117         * c-typeck.c (build_function_call): Store converted arguments
3118         in a stack-allocated array instead of building a list.
3119         (convert_arguments): Store arguments in the array passed in as an
3120         argument, and return the actual number of arguments.
3121         * c-format.c: (check_function_format): Pass arguments in an
3122         array instead of a list.
3123         * c-common.c (check_function_nonnull): Likewise.
3124         (check_function_sentinel): Likewise.
3125         (check_function_arguments): Likewise.
3126         * c-common.h: Update declarations to reflect above changes.
3127
3128 2007-02-28  Jan Hubicka  <jh@suse.cz>
3129
3130         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3131         PRED_NEGATIVE_RETURN): Update outcomes.
3132
3133 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3134
3135         * calls.c (emit_library_call_value_1): Handle partial registers
3136         correctly when building up CALL_INSN_FUNCTION_USAGE.
3137
3138 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3139
3140         * pa/predicates.md (move_src_operand): Allow zero for mode.
3141         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3142         move pattern.
3143
3144 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3145
3146         PR target/30970
3147         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3148         *movv2df_internal): Enable pattern only for valid operand
3149         combinations.
3150         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3151         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3152
3153 2007-02-27  Mike Stump  <mrs@apple.com>
3154
3155         * config/darwin-crt3.c: Avoid compilation when compiling for a
3156         kext multilib.
3157
3158 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3159
3160         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3161         FIXED_INCLUDE_DIR.
3162         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3163         for fixed headers and limits.h.
3164         (install-include-dir, install-headers-tar, install-headers-cpio,
3165         install-headers-cp, real-install-headers-tar,
3166         real-install-headers-cpio, real-install-headers-cp): Handle
3167         include-fixed as well as include.
3168         (install-mkheaders): Don't install files that go only in include
3169         not include-fixed.
3170         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3171         from GCC_INCLUDE_DIR.
3172         * gcc.c (process_command): Remove special -BstageN/ handling.
3173         (do_spec_1): Add include-fixed directories.
3174
3175 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3176
3177         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3178         _smulsi3_highpart.
3179         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3180         New functions.
3181         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3182         patterns.
3183
3184 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3185
3186         * c-common.c (get_priority): Add check for
3187         SUPPORTS_INIT_PRIORITY.
3188
3189 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3190
3191         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3192
3193         * config/bfin/bfin.c: Include "cfglayout.h".
3194         (MAX_LSETUP_DISTANCE): New macro.
3195         (struct loop_info): New members incoming, incoming_src and
3196         incoming_dest.  Delete member predecessor.
3197         (length_for_loop): New function.
3198         (bfin_optimize_loop): Handle more different loop structures.
3199         (bfin_discover_loop): Rework detection of predecessor blocks by
3200         examining incoming edges.
3201         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3202         bfin_reorg_loops.
3203         (bfin_reorder_loops): New function.
3204         (bfin_reorg_loops): Use these three new functions.
3205
3206         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3207         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3208         (CONSTRAINT_LEN): Add entry for 'q'.
3209         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3210         Add 'q' constraints.
3211         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3212         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3213
3214         * config/bfin/bfin.md (add_with_carry): New pattern.
3215         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3216         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3217         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3218         support unsigned multiplies too.  Removed incorrect commutativity from
3219         operand 1 constraint where appropriate.
3220         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3221         patterns.
3222         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3223         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3224         New patterns.
3225         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3226         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3227         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3228         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3229         usmulhisi_hh_huh): New patterns.
3230
3231         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3232         lshifthi3): Fix output template to use half reg for operand 2.
3233
3234         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3235         instead of R2.
3236
3237         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3238
3239 2007-02-27  Andreas Schwab  <schwab@suse.de>
3240
3241         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3242
3243 2007-02-27  Jan Hubicka  <jh@suse.cz>
3244
3245         * predict.c (last_basic_block_p): Remove.
3246         (tree_estimate_probability): Update return heuristic for commonized
3247         return blocks.
3248
3249 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3250
3251         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3252
3253 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3254
3255         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3256         * doc/cpp.texi: Standardize title page.
3257         * doc/cppinternals.texi: Likewise.
3258         * doc/gcc.texi: Standardize title page, remove version number
3259         from copyright page.
3260         * doc/gccint.texi: Likewise.
3261         * doc/install.texi: Standardize title page, add table of
3262         contents.
3263
3264 2007-02-26  Jan Hubicka  <jh@suse.cz>
3265
3266         * predict.def: Set outcomes according to more recent results.
3267         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3268         Remove dead predictors.
3269         * predict.c (return_prediction): Fix pasto.
3270
3271 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3272
3273         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3274         change; avoid a memory leak when returning early.
3275
3276 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3277
3278         * c-decl.c (static_ctors): Move to c-common.c.
3279         (static_dtors): Likewise.
3280         (finish_function): Use c_record_cdtor_fn.
3281         (build_cdtor): Move to c-common.c.
3282         (c_write_global_declarations): Use c_build_cdtor_fns.
3283         * c-common.h (static_ctors): Declare.
3284         (static_dtors): Likewise.
3285         (c_record_cdtor_fn): Likewise.
3286         (c_build_cdtor_fns): Likewise.
3287         * c-common.c (static_ctors): New variable.
3288         (static_dtors): Likewise.
3289         (c_record_cdtor_fn): New function.
3290         (build_cdtor): Move from c-decl.c
3291         (c_build_cdtor_fns): New function.
3292
3293         * output.h (assemble_addr_to_section): Declare.
3294         (get_cdtor_priority_section): Likewise.
3295         * varasm.c (assemble_addr_to_section): New function.
3296         (get_cdtor_priority_section): Likewise.
3297         (default_named_section_asm_out_destructor): Use them.
3298         (destor_dtor_section_asm_out_destructor): Likewise.
3299         (default_named_section_asm_out_constructor): Likewise.
3300         (default_ctor_section_asm_out_constructor): Likewise.
3301         * config.gcc (*-*-vxworks*): Include vxworks.o.
3302         * config/t-vxworks (vxworks.o): New target.
3303         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3304         (TARGET_ASM_CONSTRUCTOR): Define.
3305         (TARGET_ASM_DESTRUCTOR): Likewise.
3306         (vxworks_asm_out_constructor): Declare.
3307         (vxworks_asm_out_destructor): Likewise.
3308
3309         * c-common.c (get_priority): Check that we have not just an
3310         INTEGER_CST, but an integer constant with integeral type.
3311
3312 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3313
3314         PR tree-optimization/30938
3315         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3316         use &dt[nargs-1] instead of &dt[nargs] in the call to
3317         vect_is_simple_use().
3318
3319 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3320
3321         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3322         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3323         Do not attempt to handle MEM inside auto-inc expressions.
3324         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3325         of a register modified by an auto-inc expression.  However, do handle
3326         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3327         (elimination_effects): Prohibit elimination of a register modified
3328         by an auto-inc expression.  Disable register elimination rules whose
3329         target register is modified by an auto-inc expression with variable
3330         increment.
3331
3332 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3333
3334         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3335         off-by-one error.
3336         (array_at_struct_end_p): New function.
3337         (idx_infer_loop_bounds): Use it.
3338         (estimate_numbers_of_iterations_loop): Export.
3339         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3340         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3341         (tree_estimate_probability): Call record_loop_exits.
3342         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3343         (estimated_loop_iterations, estimated_loop_iterations_int,
3344         estimated_loop_iterations_tree): New functions.
3345         (analyze_siv_subscript_cst_affine,
3346         compute_overlap_steps_for_affine_1_2,
3347         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3348         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3349         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3350         (PRED_LOOP_ITERATIONS_GUESSED): New.
3351         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3352         * cfgloop.h (estimate_numbers_of_iterations_loop,
3353         estimated_loop_iterations_int): Declare.
3354
3355 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3356
3357         * doc/extend.texi: Document optional priority argument to
3358         constructors and destructors.
3359         * tree.c (init_priority_for_decl): Adjust GTY markers.
3360         (init_ttree): Use priority-info hash functions for
3361         init_priority_for_decl.
3362         (tree_map_eq): Rename to ...
3363         (tree_map_base_eq): ... this.
3364         (tree_map_marked_p): Rename to ...
3365         (tree_map_base_marked_p): ... this.
3366         (tree_map_base_hash): New function.
3367         (decl_init_priority_lookup): Rework.
3368         (decl_fini_priority_lookup): New function.
3369         (decl_priority_info): New function.
3370         (decl_init_priority_insert): Use it.
3371         (decl_fini_priority_insert): Likewise.
3372         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3373         hierarchy.
3374         (decl_restrict_base_insert): Likewise.
3375         (decl_debug_expr_insert): Likewise.
3376         (decl_value_expr_lookup): Likewise.
3377         (decl_value_expr_insert): Likewise.
3378         * tree.h (priority_type): New type.
3379         (decl_init_priority_lookup): Use priority_type.
3380         (decl_fini_priority_lookup): New function.
3381         (decl_init_priority_insert): Use priority_type.
3382         (decl_fini_priority_insert): New function.
3383         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3384         (DECL_INIT_PRIORITY): Likewise.
3385         (SET_DECL_INIT_PRIORITY): Add comment.
3386         (DECL_FINI_PRIORITY): New macro.
3387         (SET_DECL_FINI_PRIORITY): Likewise.
3388         (DEFAULT_INIT_PRIORITY): Document.
3389         (MAX_INIT_PRIORITY): Likewise.
3390         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3391         (tree_map_base): New type.
3392         (tree_map_base_eq): New function.
3393         (tree_map_base_hash): Likewise.
3394         (tree_map_base_marked_p): Likewise.
3395         (tree_map): Inherit from tree_map_base.
3396         (tree_map_eq): Make it a macro.
3397         (tree_map_marked_p): Likewise.
3398         (tree_int_map): Inherit from tree_map_base.
3399         (tree_int_map_eq): Make it a macro.
3400         (tree_int_map_hash): Likewise.
3401         (tree_int_map_marked_p): Likewise.
3402         (tree_priority_map): New type.
3403         (tree_priority_map_eq): New macro.
3404         (tree_priority_map_hash): Likewise.
3405         (tree_priority_map_marked_p): Likewise.
3406         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3407         hierarchy.
3408         (emutls_common_1): Likewise.
3409         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3410         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3411         of tree_map hierarchy.
3412         * tree-cfg.c (move_stmt_r): Likewise.
3413         (new_label_mapper): Likewise.
3414         * c-tree.h (c_expand_body): Move to ...
3415         * c-common.h (c_expand_body): ... here.
3416         * c-decl.c (c_expand_body): Move to ...
3417         * c-common.c (c_expand_body): ... here.
3418         (c_common_attribute_table): Allow 1 argument for the constructor
3419         and destructor attributes.
3420         (get_priority): New function.
3421         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3422         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3423
3424 2007-02-24  Jan Hubicka  <jh@suse.cz>
3425
3426         PR middle-end/30509
3427         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3428
3429 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3430             Jan Hubicka  <jh@suse.cz>
3431
3432         PR target/30778
3433         * i386.c (counter_mode): New function.
3434         (expand_set_or_movmem_via_loop): Use it.
3435         (expand_movmem_epilogue): Likewise; fix pasto.
3436         (ix86_expand_movmem): Do emit guard even for constant counts.
3437         (ix86_expand_setmem): Likewise.
3438
3439 2007-02-25  Nick Clifton  <nickc@redhat.com>
3440
3441         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3442         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3443
3444 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3445
3446         PR target/30770
3447         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3448         count argument with 0x10, not with 0x16.
3449         (expand_setmem_epilogue): Ditto.
3450
3451 2007-02-24  Mike Stump  <mrs@apple.com>
3452
3453         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3454         symbols.
3455
3456 2007-02-24  Richard Guenther  <rguenther@suse.de>
3457
3458         PR middle-end/30951
3459         * fold-const.c (fold_binary): Fold x +- CST op x for
3460         EQ_EXPR and NE_EXPR.
3461
3462 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3463
3464         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3465
3466 2007-02-24  Jan Hubicka  <jh@suse.cz>
3467
3468         * cgraphunit.c (decide_is_function_needed): Honor
3469         -fkeep-inline-functions.
3470
3471 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3472
3473         * builtins.c (fold_builtin_modf): New.
3474         (fold_builtin_2): Use it.
3475
3476 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3477
3478         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3479         (determine_max_iter): Take additional LOOP arg; all callers changed.
3480         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3481         one using simplifications.
3482         (simplify_using_initial_values): Return if the expression becomes
3483         invalid due to altered regs.
3484
3485 2007-02-23  DJ Delorie  <dj@redhat.com>
3486
3487         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3488
3489 2007-02-23  Mike Stump  <mrs@apple.com>
3490
3491         * tlink.c (scan_linker_output): Parse linker messages from
3492         darwin9's linker better.
3493
3494 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3495
3496         PR debug/29614
3497         * varpool.c (varpool_assemble_pending_decls):  Set
3498         varpool_last_needed_node to null.
3499
3500 2007-02-23  DJ Delorie  <dj@redhat.com>
3501
3502         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3503         alignment bigger than the object file can handle.
3504
3505 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3506
3507         PR target/30825
3508         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3509         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3510         (*movsf_1): Penalize MMX moves.
3511
3512 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3513
3514         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3515         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3516
3517         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3518
3519 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3520
3521         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3522         (fold_builtin_1): Use them.
3523         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3524         BUILT_IN_SIGNIFICAND.
3525
3526 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3527
3528         * config/i386/i386.c (bdesc_1arg): Initialize
3529         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3530         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3531         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3532         and IX86_BUILTIN_MOVSLDUP.
3533
3534 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3535
3536         PR rtl-optimization/30841
3537         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3538
3539 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3540
3541         * builtins.c (fold_builtin_frexp): New.
3542         (fold_builtin_2): Use it.
3543
3544 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3545
3546         * doc/invoke.texi (Spec Files): Document getenv spec function.
3547
3548         * gcc.c (getenv_spec_function): New function.
3549         (static_spec_functions): Add it.
3550         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3551         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3552         header files.
3553
3554 2007-02-22  Michael Matz  <matz@suse.de
3555
3556         PR c++/29433
3557         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3558         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3559
3560 2007-02-22  Ian Lance Taylor  <iant@google.com>
3561
3562         PR debug/30898
3563         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3564         (mem_loc_descriptor): Call it.
3565
3566 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3567             Ira Rosen  <irar@il.ibm.com>
3568
3569         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3570
3571 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3572
3573         PR tree-optimization/30843
3574         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3575         stores only after all the group is vectorized.
3576
3577 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3578
3579         PR tree-optimization/30858
3580         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3581         in the reduction cycle have a single use in the loop.
3582         * tree-vectorizer.h (relevant): Add documentation.
3583
3584 2007-02-20  Mike Stump  <mrs@apple.com>
3585
3586         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3587         * configure: Regenerate.
3588
3589 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3590
3591         Change the defaults of some parameters and options.
3592         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3593         * config/spu/spu.c (spu_optimization_options): Add.
3594         (spu_override_options): Change params in spu_optimization_options.
3595         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3596
3597         Register 127 is only 16 byte aligned when used as a frame pointer.
3598         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3599         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3600         HARD_FRAME_POINTER_REGNUM.
3601         (spu_legitimate_address):  Use regno_aligned_for_reload.
3602         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3603         aligned when frame_pointer_needed is true.
3604         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3605         to 8 bits.
3606         * config/spu/spu.h (INIT_EXPANDERS): Define.
3607
3608         Make sure shift and rotate instructions have valid immediate operands.
3609         * config/spu/predicates.md (spu_shift_operand): Remove.
3610         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3611         * config/spu/constraints.md (W, O): Extend range.
3612         * config/spu/spu.md (umask, nmask): Define.
3613         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3614         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3615         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3616         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3617         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3618         (lshr<mode>3_reg):  Fix rtl description.
3619
3620         Make sure mulhisi immediate operands are valid.
3621         * config/spu/predicates.md (imm_K_operand): Add.
3622         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3623
3624         Generate constants using fsmbi and andi.
3625         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3626         (print_operand, spu_split_immediate, classify_immediate,
3627         fsmbi_const_p): Handle IC_FSMBI2.
3628
3629         Correctly handle a CONST_VECTOR containing symbols.
3630         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3631         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3632         (immediate_load_p): Allow symbols that use 2 instructions to create.
3633         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3634         with symbols when flag_pic is set.
3635         (const_vector_immediate_p): New.
3636         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3637         accept a CONST_VECTOR with symbols.
3638         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3639         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3640         correctly.
3641         * config/spu/spu.md (high, low): Delete.
3642         (low_<mode>): Define.
3643
3644         Remove INTRmode and INTR_REGNUM, which didn't work.
3645         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3646         of INTR_REGNUM.
3647         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3648         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3649         peephole2 pattern): Don't use INTR or 131.
3650         (movintrcc): Delete.
3651         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3652         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3653         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3654         (UNSPEC_SET_INTR): Add.
3655         * config/spu/spu-modes.def (INTR): Remove.
3656
3657         More accurate warnings about run-time relocations.
3658         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3659
3660         Correctly warn about immediate arguments to specific intrinsics.
3661         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3662         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3663         the instruction predicate.
3664
3665         Fix tree check errors with latest update.
3666         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3667         CALL_EXPR_ARG.
3668         (spu_expand_builtin): Use CALL_EXPR_FN.
3669
3670         Add missing specific intrinsics.
3671         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3672         si_bislede.
3673         * config/spu/spu_internals.h: Ditto.
3674
3675         Fix incorrect operand modifiers.
3676         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3677         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3678
3679         Optimize one case of zero_extend of a vec_select.
3680         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3681
3682         Accept any immediate for hbr.
3683         * config/spu/spu.md (hbr):  Change s constraints to i.
3684
3685 2007-02-21  Paul Brook  <paul@codesourcery.com>
3686
3687         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3688         condexec_count when skipping USE and CLOBBER.
3689
3690 2007-02-21  Nick Clifton  <nickc@redhat.com>
3691
3692         * common.opt (Warray-bounds): Add Warning attribute.
3693         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3694         Likewise.
3695         (fsized-zeroes): Add Optimization attribute.
3696         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3697         * c.opt (Wc++0x-compat): Add Warning attribute.
3698
3699 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3700
3701         PR middle-end/30761
3702         * reload1.c (eliminate_regs_in_insn): In the single_set special
3703         case, attempt to re-recognize the insn before falling back to
3704         having reload fix it up.
3705
3706 2007-02-20  Eric Christopher  <echristo@gmail.com>
3707
3708         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3709         Rewrite accordingly.
3710         (frv_read_iacc_argument): Ditto.
3711         (frv_expand_set_builtin): Take a call instead of arglist, update for
3712         above changes.
3713         (frv_expand_unop_builtin): Ditto.
3714         (frv_expand_binop_builtin): Ditto.
3715         (frv_expand_cut_builtin): Ditto.
3716         (frv_expand_binopimm_builtin): Ditto.
3717         (frv_expand_voidbinop_builtin): Ditto.
3718         (frv_expand_int_void2arg): Ditto.
3719         (frv_expand_prefetches): Ditto.
3720         (frv_expand_voidtriop_builtin): Ditto.
3721         (frv_expand_voidaccop_builtin): Ditto.
3722         (frv_expand_load_builtin): Ditto.
3723         (frv_expand_store_builtin): Ditto.
3724         (frv_expand_mdpackh_builtin): Ditto.
3725         (frv_expand_mclracc_builtin): Ditto.
3726         (frv_expand_mrdacc_builtin): Ditto.
3727         (frv_expand_mwtacc_builtin): Ditto.
3728         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3729         calls for above.
3730
3731 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3732
3733         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3734         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3735         cmpb instruction.
3736         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3737         point instructions.
3738         * configure: Regenerate.
3739         * config.in: Regenerate.
3740         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3741         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3742         masks to power6 and power6x and to POWERPC_MASKS.
3743         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3744         _ARCH_PWR6.
3745         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3746         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3747         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3748         Access PROTOTYPE as variable, not mask.
3749
3750 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3751
3752         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3753         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3754         * combine.c (adjust_for_new_dest): Use it.
3755         * postreload.c (reload_combine): Likewise.
3756
3757 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3758
3759         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3760         notes on an insn with multiple sets, even if single_set returns
3761         non-NULL for that insn.
3762
3763 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3764
3765         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3766         scalbn and scalbln.
3767
3768 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3769
3770         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3771         if user didn't pass it.
3772         * config/i386/darwin.h (CC1_SPEC): Likewise.
3773         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3774         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3775         -mmacosx-version-min.
3776
3777 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3778             Uros Bizjak  <ubizjak@gmail.com>
3779
3780         * optabs.h (enum optab_index): Add new OTI_scalb.
3781         (scalb_optab): Define corresponding macro.
3782         * optabs.c (init_optabs): Initialize scalb_optab.
3783         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3784         patterns.
3785         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3786         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3787         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3788         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3789         flag_unsafe_math_optimizations is set.
3790
3791         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3792         to implement scalbf, scalb and scalbl built-ins as inline x87
3793         intrinsics.
3794
3795 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3796             DJ Delorie <dj@redhat.com>
3797
3798         PR other/30824
3799         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3800         (diagnostic_report_diagnostic): ... here, and turn them into real
3801         errors. If warnings are inhibited, no need to do anything.
3802
3803 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3804
3805         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3806         better code generation.
3807
3808 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3809
3810         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3811
3812 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3813
3814         * config/alpha/alpha.c, config/alpha/alpha.md,
3815         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3816         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3817         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3818         config/arm/lib1funcs.asm: Follow spelling conventions.
3819
3820         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3821         config/fr30/fr30.md, config/i386/i386.h,
3822         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3823         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3824         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3825         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3826         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3827         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3828         config/sparc/sparc.c, config/sparc/sparc.h,
3829         config/sparc/sparc.md, config/spu/constraints.md,
3830         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3831         conventions.
3832
3833 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3834
3835         PR target/29943
3836         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3837         alias attribute.
3838
3839 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3840
3841         * doc/invoke.texi (-ftree-lrs): Remove.
3842
3843 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3844
3845         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3846         NULL.
3847
3848 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3849
3850         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3851         new CALL_EXPR_FN macro for retrieving the function
3852         declaration of the input expression.
3853
3854 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3855
3856         * c.opt (Waddress): New.
3857         * common.opt (Walways-true): Delete.
3858         (Wstring-literal-comparison): Delete.
3859         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3860         -Wstring-literal-comparison. Add -Waddress.
3861         (Waddress): New.
3862         (Walways-true): Delete.
3863         (Wstring-literal-comparison): Delete.
3864         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3865         consistently instead of -Walways-true in example.
3866         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3867         * c-typeck.c (parser_build_binary_op): Replace
3868         -Wstring-literal-comparison and -Walways-true with -Waddress.
3869         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3870         with -Waddress.
3871
3872 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3873
3874         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3875         without DECL_STRUCT_FUNCTION initialized.
3876
3877 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3878
3879         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3880         due to calls to functions taking pointers as parameters.
3881
3882 2007-02-19  Richard Henderson  <rth@redhat.com>
3883
3884         PR debug/29558
3885         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3886         in memory.
3887
3888 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3889
3890         * config/s390/s390.c (s390_call_saved_register_used,
3891         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3892         accessed to the new scheme.
3893
3894 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3895
3896         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3897         (cris_print_index, cris_print_operand, cris_print_operand_address)
3898         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3899         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3900         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3901         GET_CODE () == xxx.
3902         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3903         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3904         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3905         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3906         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3907         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3908         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3909         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3910         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3911         (uminsi3, call, call_value): Ditto.
3912         (define_split: indir_to_reg_split, unnamed): Ditto.
3913
3914 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3915
3916         PR tree-optimization/30975
3917         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3918         wrong assert.
3919
3920 2007-02-18  Eric Christopher  <echristo@gmail.com>
3921
3922         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3923         Remove use of arglist.
3924         (mips_expand_builtin): Remove use of arglist, pass in expr.
3925         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3926         (mips_expand_builtin_movtf): Ditto.
3927         (mips_expand_builtin_compare): Ditto.
3928
3929 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3930
3931         * tree-sra.c (sra_build_assignment): Replace assertion
3932         checking with a comment explaining why it can't be done.
3933
3934 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3935
3936         PR middle-end/30833
3937         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3938         during CALL_EXPR representation conversion.
3939         * tree-ssa-propagate.c (set_rhs): Likewise.
3940
3941 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3942
3943         * tree-sra.c (sra_build_assignment): Disable assertion checking
3944         for now.
3945
3946 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3947
3948         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3949         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3950         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3951         Likewise.
3952         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3953         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3954         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3955         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3956         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3957         force_gimple_operand): Likewise.
3958         * ipa-cp.c (constant_val_insert): Likewise.
3959         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3960         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3961         perfect_nestify): Likewise.
3962         * langhooks.c (lhd_omp_assignment): Likewise.
3963         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3964         lower_copyprivate_clauses, lower_send_clauses,
3965         lower_send_shared_vars, expand_parallel_call,
3966         expand_omp_for_generic, expand_omp_for_static_nochunk,
3967         expand_omp_for_static_chunk, expand_omp_sections,
3968         lower_omp_single_copy, lower_omp_for_lastprivate,
3969         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3970         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3971         tree_mod_subtract, tree_ic, tr