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PR target/31175
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2
3         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
4         Set the default --with-arch setting to mips2.
5         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
6         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
7         (MULTILIB_OSDIRNAMES): Delete.
8         (MULTILIB_DIRNAMES): Define.
9         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
10         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
11         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
12         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
13         VXWORKS_OS_CPP_BUILTINS.
14         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
15         (MIPS_DEBUGGING_INFO): Undefine.
16         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
17
18 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
19
20         PR middle-end/30704
21         * fold-const.c (native_encode_real): Encode real.c provided longs
22         as a series of 32-bit native integers.
23         (native_interpret_real): Interpret buffer as a series of 32-bit
24         native integers.
25
26 2007-04-03  Richard Guenther  <rguenther@suse.de>
27
28         * genpreds.c (write_insn_constraint_len): Write function
29         optimized for CONSTRAINT_LEN implementation.
30         (write_tm_preds_h): Output insn_constraint_len inline and
31         use it for CONSTRAINT_LEN.
32         (write_insn_preds_c): Don't output insn_constraint_len.
33         * doc/md.texi (define_register_constraint): Document multi-letter
34         constraints shall have the same length if they start with the same
35         letter.
36
37 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
38
39         PR target/31175
40         * config/i386/i386.md (isinf<mode>2): Expand only when
41         TARGET_C99_FUNCTIONS is set.
42
43 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
44
45         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
46         (x86_64-*-linux*): Ditto.
47         * config/i386/i386.opt (mpc): New option.
48         * config/i386/i386.c (overrride_options): Handle
49         ix87_precision_string.
50         * config/i386/crtprec.c: New file.
51         * config/i386/t-crtpc: Ditto.
52         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
53         and -mpc80 options.
54         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
55         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
56         crtprec32.o, crtprec64.o and crtprec80.o.
57
58         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
59         and -mpc80 options.
60         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
61
62 2007-04-02  Eric Christopher  <echristo@apple.com>
63
64         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
65         limitations on darwin.
66
67 2007-04-02  Anatoly Sokolov <aesok@post.ru>
68
69         PR target/31137
70         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
71
72 2007-04-02  Dave Korn  <dave.korn@artimi.com>
73
74         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
75
76 2007-04-02  Dave Korn  <dave.korn@artimi.com>
77
78         * libgcc2.h (exception_descriptor): Don't forward-declare.
79         (__get_eh_table_language, __get_eh_table_version): Delete
80         prototypes of long-dead functions.
81
82 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
83
84         * ebitmap.h: New file
85         * ebitmap.c: New file
86         * Makefile.in (ebitmap.o): New target.
87
88 2007-04-01  Jan Hubicka  <jh@suse.cz>
89
90         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
91         before very first instruction.
92
93 2007-04-01  Jan Hubicka  <jh@suse.cz>
94
95         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
96         waring on 64bit hosts.
97         * bitmap.h: Fix typo in bitmap_head_def.
98
99 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
100
101         PR rtl-optimization/31391
102         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
103         into a DELETED_LABEL note, and the label is in an empty basic
104         block, update BB_END as well as BB_HEAD.
105
106 2007-04-01  Richard Henderson  <rth@redhat.com>
107
108         PR tree-optimization/31169
109         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
110         to varying if the range is outside [0,  prec-1].
111
112 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
113
114         PR target/31388
115         * config/mips/mips.md (load_const_gp): New insn.
116         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
117         the MIPS16 GP pseudo register if no_new_pseudos.
118         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
119
120 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
121
122         PR target/31364
123         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
124         secureplt.
125         (call_value): Likewise.
126
127 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
128             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
129
130         PR 14737
131         * doc/invoke.texi: (optimization options): Reword description
132         of -ffast-math. Document its primary purpose.
133
134 2007-03-31  Richard Guenther  <rguenther@suse.de>
135
136         * omp-low.c (splay-tree.h): Include.
137         (lookup_decl): Replace splay-tree usage by pointer-map.
138         (maybe_lookup_decl): Likewise.
139         (new_omp_context): Likewise.
140         (delete_omp_context): Likewise.
141         * gimplify.c (splay-tree.h): Include.
142         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
143         pointer-map.
144         (remap_ssa_name): Likewise.
145         (remap_decl): Likewise.
146         (remap_type_1): Likewise.
147         (remap_type): Likewise.
148         (copy_body_r): Likewise.
149         (expand_call_inline): Likewise.
150         (clone_body): Likewise.
151         (copy_tree_r): Likewise.
152         (remap_save_expr): Likewise.
153         (unsave_r): Likewise.
154         (unsave_expr_now): Likewise.
155         (tree_function_versioning): Likewise.
156         (build_duplicate_type): Likewise.
157         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
158         (struct copy_body_data): Replace splay-tree by pointer-map.
159         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
160         not $(SPLAY_TREE_H).
161         (gimplify.o): Depend on $(SPLAY_TREE_H).
162         (omp-low.p): Likewise.
163
164 2007-03-31  Anatoly Sokolov <aesok@post.ru>
165
166         * config/avr/predicates.md (even_register_operand,
167         odd_register_operand): New predicates.
168         * config/avr/avr.md (movw peephole2): New.
169         (movw_r peephole2): New.
170
171 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
172
173         * tree.h (get_signed_or_unsigned_type): New.
174         * fold-const.c (operand_equal_for_comparison_p): Use
175         get_signed_or_unsigned_type instead of
176         lang_hooks.types.signed_or_unsigned_type.
177         * expr.c (store_expr): Ditto.
178         * langhooks.c (get_signed_or_unsigned_type): New.
179         (lhd_signed_or_unsigned_type): New.
180         * langhooks.h (lhd_signed_or_unsigned_type): New.
181         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
182
183 2007-03-30  Richard Henderson  <rth@redhat.com>
184
185         * tree-ssa-loop-ivopts.c: Include target.h.
186         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
187         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
188         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
189         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
190
191 2007-03-30  Richard Henderson  <rth@redhat.com>
192             Kai Tietz  <kai.tietz@onevision.com>
193
194         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
195         default for 64-bit.
196         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
197         (TARGET_64BIT_MS_ABI): New.
198         (DBX_REGISTER_NUMBER): Handle 64-bit.
199         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
200         (LONG_TYPE_SIZE): Force to 32.
201         (REG_PARM_STACK_SPACE): New.
202         (OUTGOING_REG_PARM_STACK_SPACE): New.
203         (REGPARM_MAX, SSE_REGPARM_MAX): New.
204         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
205         (STACK_BOUNDARY): Use 128 for 64-bit.
206         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
207         Add 64-bit implementation.
208         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
209         argument unused.
210         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
211         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
212         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
213         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
214         (ix86_handle_cconv_attribute): Don't warn when ignoring if
215         TARGET_64BIT_MS_ABI.
216         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
217         (ix86_pass_by_reference): Likewise.
218         (ix86_function_value_regno_p): Likewise.
219         (ix86_build_builtin_va_list): Likewise.
220         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
221         (function_arg_advance_ms_64): New.
222         (function_arg_advance): Call it.
223         (function_arg_ms_64): New.
224         (function_arg): Call it.
225         (function_value_ms_64): New.
226         (ix86_function_value_1): Call it.
227         (return_in_memory_ms_64): New.
228         (ix86_return_in_memory): Call it.
229         (setup_incoming_varargs_ms_64): New.
230         (ix86_setup_incoming_varargs): Call it.
231         (ix86_expand_prologue): Handle 64-bit stack probing.
232         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
233         (output_pic_addr_const): Likewise.
234         (x86_this_parameter): Likewise.
235         (x86_output_mi_thunk): Likewise.
236         (x86_function_profiler): Likewise.
237         (TARGET_STRICT_ARGUMENT_NAMING): New.
238         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
239         (TARGET_64BIT_MS_ABI): New.
240         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
241         * config/i386/i386.md (allocate_stack_worker): Remove.
242         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
243         describe the clobber of eax without a match_scratch.
244         (allocate_stack_worker_postreload): Remove.
245         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
246         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
247         (allocate_stack_worker_rex64_postreload): Remove.
248         (allocate_stack): Handle 64-bit.
249         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
250         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
251         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
252         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
253         (STANDARD_STARTFILE_PREFIX_1): Likewise.
254         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
255         * config.build (x86_64-*-mingw*): New host.
256         * config.host (x86_64-*-mingw*): New host.
257         * config.gcc (x86_64-*-mingw*): New target.
258         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
259
260 2007-03-30  Richard Henderson  <rth@redhat.com>
261             Kai Tietz  <kai.tietz@onevision.com>
262
263         * c-pragma.c (struct def_pragma_macro_value): New.
264         (struct def_pragma_macro): New.
265         (pushed_macro_table): New.
266         (dpm_hash, dpm_eq): New.
267         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
268         (init_pragma): Install them.
269         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
270
271 2007-03-30  Anatoly Sokolov <aesok@post.ru>
272
273         * config/avr/avr.c (avr_override_options): Clear
274         'flag_delete_null_pointer_checks'.
275
276 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
277
278         PR c++/26099
279         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
280         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
281         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
282         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
283         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
284         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
285         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
286         C++ extensions.
287         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
288
289 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
290
291         * regmove.c: Move all of pass_stack_adjustments from here...
292         * combine-stack-adj.c: ...to this new file.
293         * Makefile.in: Add rules for combine-stack-adj.o.
294
295 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
296
297         PR tree-optimization/31383
298         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
299         to have the same length.
300
301 2007-03-30  Jan Hubicka  <jh@suse.cz>
302
303         PR middle-end/PR30700
304         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
305         availablility; add more sanity checking; ask varpool only about
306         VAR_DECL.
307
308 2007-03-29  Richard Henderson  <rth@redhat.com>
309
310         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
311         to decide, but __SIZEOF_LONG_LONG__.
312
313 2007-03-29  Richard Henderson  <rth@redhat.com>
314
315         * emutls.c (struct __emutls_array): New.
316         (emutls_destroy): Use it instead of casting element 0 from void*.
317         (__emutls_get_address): Likewise.
318
319 2007-03-29  Richard Henderson  <rth@redhat.com>
320
321         * varasm.c (initializer_constant_valid_p): Don't deny
322         DECL_DLLIMPORT_P on functions.
323
324         * config/i386/cygming.h: Remove function declarations.
325         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
326         (ASM_OUTPUT_LABELREF): Remove.
327         (COMMON_ASM_OP): Remove.
328         (ASM_OUTPUT_COMMON): Remove.
329         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
330         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
331         (ASM_DECLARE_FUNCTION_NAME): Likewise.
332         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
333         Rename from TARGET_ENCODE_SECTION_INFO.
334         * config/i386/netware.h: Likewise.
335         * config/i386/i386-protos.h: Update.
336         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
337         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
338         (legitimate_constant_p): Reject dllimports.
339         (dllimport_map, get_dllimport_decl): New.
340         (legitimize_dllimport_symbol): New.
341         (legitimize_address, ix86_expand_move): Use it.
342         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
343         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
344         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
345         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
346         * config/i386/predicates.md (constant_call_address_operand): Only
347         accept symbols; reject dllimport_p symbols.
348         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
349         i386_pe_maybe_record_exported_symbol.
350         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
351         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
352         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
353         trust the setting of DECL_DLLIMPORT_P.
354         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
355         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
356         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
357         tidy the argument scanning loop.
358         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
359         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
360         (i386_pe_strip_name_encoding): Remove.
361         (i386_pe_binds_local_p): New.
362         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
363         (i386_pe_output_labelref): Remove.
364         (i386_pe_asm_output_aligned_decl_common): New.
365         (i386_pe_maybe_record_exported_symbol): Rename from
366         i386_pe_record_exported_symbol; check for dllexported symbols.
367
368 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
369
370         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
371         add comment explaining why vsnprintf cannot be used.
372
373 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
374
375         PR tree-optimization/30666
376         * tree.c (build_complex_type): When creating type names for DWARF2
377         debug info, create TYPE_DECLs for TYPE_NAME instead of
378         IDENTIFIER_NODEs.
379         (build_common_tree_nodes_2): Use build_complex_type when building
380         predefined complex types, to preserve canonical types.
381
382 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
383
384         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
385         (noce_get_alt_condition): Look at it to determine whether to
386         reverse the condition or not.
387         (noce_get_condition): Substitute the truth for lies.
388         (noce_find_if_block): Set the then_else_reversed field.
389
390 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
391
392         * config/fr30/fr30.md (movdi): Do not accept immediates as the
393         destination of this insn.
394         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
395         than calling gen_rtx_SET directly.  Use r0 to hold the value of
396         'address + 4' rather than a stack based temporary which can be
397         mis-optimized away.
398
399 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
400
401         * config/s390/s390.c (s390_secondary_input_reload_class,
402         s390_secondary_output_reload_class): Functions removed.
403         (s390_secondary_reload): New function.
404         (TARGET_SECONDARY_RELOAD): Target macro defined.
405         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
406         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
407         * config/s390/s390.md ("reload_outti", "reload_outdi",
408         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
409         "reload_out<mode>"): Expanders removed.
410         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
411         "reload<mode>_nonoffmem_out"): Expanders added.
412
413 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
414
415         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
416         SRC->DEST replacement failed anyway.
417
418 2007-03-28  Mike Stump  <mrs@apple.com>
419
420         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
421         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
422         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
423
424 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
425
426         * config.gcc: Accept barcelona as a variant of amdfam10.
427         * config/i386/i386.c (override_options): Likewise.
428         * doc/invoke.texi: Likewise.
429
430 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
431
432         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
433         offsets for BIT_FIELD_REF and COMPONENT_REF.
434
435 2007-03-28  Richard Guenther  <rguenther@suse.de>
436
437         * tree.c (is_global_var): Move ...
438         * tree-flow-inline.h (is_global_var): ... here.
439         * tree.h (is_global_var): Remove declaration.
440
441 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
442
443         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
444         option.
445         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
446         * config/i386/i386.c (ix86_tune_features): Initialize new
447         tuning option.
448         * config/i386/predicates.md (promotable_binary_operator): Use
449         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
450
451 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
452
453         PR target/31380
454         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
455
456 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
457
458         * config/fr30/fr30.md (movsi_internal): Change destination
459         constraint from m to V and add m to the end.
460
461 2007-03-28  Christian Bruel  <christian.bruel@st.com>
462
463         * config/sh/sh.md (movsi_i): Fix type attribute.
464
465 2007-03-28  Christian Bruel  <christian.bruel@st.com>
466
467         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
468         (movsf_ie): Likewise.
469
470 2007-03-28  Christian Bruel  <christian.bruel@st.com>
471
472         * config.gcc: Add sh4-300 to multilib.
473         * config/sh/t-mlib-sh4-300: New file.
474
475 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
476
477         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
478         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
479         fix_trunc<mode>di2.
480         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
481         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
482         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
483         "fixuns_trunctddi2"): Whitespace fix.
484
485 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
486
487         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
488         the definition of struct sh_args.
489         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
490         CALL_COOKIE_INT_REG_GET): Likewise.
491
492 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
493
494         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
495         transformations are applied successfully.
496
497 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
498
499         * tree.c (tree_contains_struct): Permit 512 tree codes.
500         * tree.h (tree_contains_struct): Ditto.
501         (MAX_TREE_CODES): Ditto.
502         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
503         SPARE member to store remaining padding bits.
504
505 2007-03-27  Anatoly Sokolov <aesok@post.ru>
506
507         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
508         architecture.
509
510 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
511
512         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
513         * configure: Regenerate.
514
515         * configure: Regenerate using the correct version of autoconf.
516
517 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
518
519         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
520         pointer regs.
521         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
522         regs to "__SP_L__" and "__SP_H__".
523
524 2007-03-27  Richard Guenther  <rguenther@suse.de>
525
526         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
527         computations with it with a HOST_WIDE_INT variable.
528
529 2007-03-26  Mike Stump  <mrs@apple.com>
530
531         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
532         objective-c-header, objective-c++-header and objc++-cpp-output
533         support.
534         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
535
536 2007-03-26  Richard Henderson  <rth@redhat.com>
537
538         PR target/31361
539         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
540         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
541         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
542         IX86_BUILTIN_PSRLQ128): New.
543         (ix86_init_mmx_sse_builtins): Add them.
544         (ix86_expand_builtin): Expand them.
545         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
546         operand 2 be TImode.
547         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
548         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
549         _mm_srli_epi64): Mark __B const.
550         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
551         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
552         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
553         new two-vector shift builtins.
554
555 2007-03-26  Ian Lance Taylor  <iant@google.com>
556
557         PR tree-optimization/31345
558         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
559         [+INF, +INF(OVF)] into VARYING.
560
561 2007-03-26  Zack Weinberg  <zackw@panix.com>
562
563         * gengtype-parse.c: New file.
564         * gengtype-yacc.y: Delete.
565         * gengtype-lex.l: Don't include gengtype-yacc.h.
566         Define YY_DECL and yyterminate appropriately for recursive
567         descent parser.  yylval is now a string out-parameter to yylex.
568         (HWS, EOID): New shorthand.
569         (IWORD): Add a couple more types.
570         (yylex): Add a setup stanza.  Remove the complex rules for
571         detecting GTY'ed types and typedefs; replace with simple
572         keyword detectors.  Adjust everything for the changed
573         definition of yylval.  Ignore all pp-directives, not just #define.
574         (yyerror): Delete.
575         (parse_file): Rename yybegin; do not call yyparse.
576         (yyend): New.
577         * gengtype.c (xasprintf): Export again.
578         (this_file): New.  Use everywhere __FILE__ was being used.
579         (get_lang_bitmap): Special case types defined in gengtype.c.
580         (do_typedef, new_structure): Suppress definition of certain types.
581         (new_structure): Improve diagnostics of duplicate definitions.
582         Make sure location_s is associated with input.h.
583         (nreverse_pairs, define_location_structures): New functions.
584         (main): Improve tagging of kludge types.  Remove old kludges
585         for input.h types; use define_location_structures.
586         * gengtype.h: Update prototypes.  Define token codes here.
587         * Makefile.in: Remove all references to gengtype-yacc.
588         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
589         and gengtype.
590         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
591         add GTY((skip)) to the field that's only conditionally there.
592         * doc/install.texi: Document that Bison is no longer required
593         unless building treelang.
594
595         * gengtype.c: Don't include gtyp-gen.h.
596         (srcdir): Declare here.
597         (base_files, lang_dir_names): Allocate dynamically.
598         (gt_files, num_gt_files, num_lang_dirs): New globals.
599         (measure_input_list, read_input_line, read_input_list)
600         (set_lang_bitmap): New functions.
601         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
602         simplify, relying on read_input_list to set up the bitmaps.
603         (main): Arguments are no longer unused.  Check for correct number
604         of command line arguments, set srcdir and srcdir_len, then call
605         read_input_list, before doing anything else.  No need to worry
606         about duplicates in main loop.
607         * configure.ac: Simplify the calculation of all_gtfiles.
608         Put language tags in there.  Don't set or substitute
609         all_gtfiles_files_langs or all_gtfiles_files_frags.
610         * Makefile.in: Revamp the way gengtype is invoked, now that it
611         takes a file on its command line with a much simpler format.
612         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
613         (GTFILES): Remove duplicates and C source files.
614         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
615         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
616         * configure: Regenerate.
617
618         * gengtype.h: Remove all type definitions to gengtype.c; leave
619         only definitions of options_p, type_p, and pair_p as opaque
620         pointers.  Update prototypes.
621         * gengtype.c: Many type definitions moved here from gengtype.h.
622         Consolidate type definitions at the top of the file.
623         (xvasprintf): Delete.
624         (xasprintf): Make static.
625         (create_nested_pointer_option): Add 'next' parameter.
626         (create_field_all, create_field_at): New functions.
627         (create_field): Now a thin wrapper around create_field_all.
628         (create_optional_field): Rename create_optional_field_ and add
629         line argument.  Original name is now a macro which supplies
630         __LINE__.
631         (oprintf): Use vsnprintf directly.
632         (close_output_files): Use fatal rather than perror/exit.
633         (note_def_vec, note_def_vec_alloc): Use create_field_at.
634         (main): Set progname.  Don't use exit.
635         * gengtype-yacc.y (struct_fields): Use create_field_at.
636         (option, optionseqopt): Delete.
637         (optionseq): Consolidate productions from option here so we
638         can use the first argument to create_option.
639
640         * gengtype-lex.l: Distinguish unions from structures in the
641         token type.  Don't call find_structure; return the tag as a string.
642         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
643         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
644         Reorganize typedef_struct production accordingly.
645         Use create_nested_ptr_option.
646         * gengtype.c (create_nested_ptr_option): New function.
647         * gengtype.h: Declare it.
648
649         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
650         (string_type): Don't declare.
651         (do_scalar_typedef): Declare.
652         (create_scalar_type): Update prototype.
653         * gengtype.c (string_type): Make static.
654         (scalar_nonchar, scalar_char): New.
655         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
656         (resolve_typedef): Use scalar_nonchar for error recovery.
657         (create_scalar_type): Remove name_len field.  Return scalar_char
658         or scalar_nonchar as appropriate.
659         (adjust_field_type): Look at scalar_is_char boolean to decide whether
660         to use string_type.
661         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
662         whenever possible.
663         (main): Initialize scalar_char and scalar_nonchar before calling
664         gen_rtx_next.
665         * gengtype-lex.l: Adjust for removal of second argument to
666         create_scalar_type.  Use yylval.s instead of yylval.t when
667         returning SCALAR.
668         * gengtype-yacc.y: Type of SCALAR is string.  Call
669         create_scalar_type from type:SCALAR rule.  Adjust for removal of
670         second argument to create_scalar_type.
671
672         * vec.h: Remove all #if IN_GENGTYPE blocks.
673         Add comment saying that changes may require adjustments to gengtype.
674         * gengtype.c: Don't include coretypes.h or tm.h.
675         Add comment to inclusion of errors.h.
676         (note_def_vec, note_def_vec_alloc): New functions.
677         * gengtype.h: Declare new functions.
678         * gengtype-lex.l: Don't include coretypes.h.
679         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
680         Delete.
681         (update_lineno): Remove unnecessary prototype.
682         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
683         (VEC rule): Just return VEC_TOKEN.
684         * gengtype-yacc.y (VEC_TOKEN): New token type.
685         (type): Add a production for VEC(a,b).
686         * Makefile.in: Update dependencies.
687
688         * gengtype-lex.l: Remove rules for parsing pointer-to-function
689         typedefs that use the old PARAMS macro.
690
691         * gengtype-lex.l: Remove all rules and states relating to yacc
692         input files.
693         * gengtype-yacc.y: Similarly.
694         * gengtype.c (note_yacc_type): Delete function.
695         * gengtype.h: Update prototypes.
696
697 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
698
699         * tree-pretty-print.c (dump_generic_node): Report precision of
700         unnamed integer types.
701
702 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
703
704         * ifcvt.c (noce_try_store_flag_constants): Don't check
705         no_new_pseudos here.
706         (noce_try_store_flag_constants): Don't check no_new_pseudos.
707         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
708         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
709         noce_try_sign_mask): Likewise.
710         (if_convert): Check no_new_pseudos here.
711
712         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
713         Remove prototypes.
714         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
715         (noce_get_condition): Handle new then_else_reversed argument.
716         (noce_init_if_info): Remove, fold into noce_find_if_block.
717         (noce_process_if_block): Take a struct noce_if_info as the
718         argument.  Don't set up one based on ce_if_info.  Update pointer
719         references accordingly.
720         (cond_move_process_if_block): Likewise.
721         (process_if_block): Removed.
722         (find_if_block): Removed.  Move functionality two new functions,
723         noce_find_if_block and cond_exec_find_if_block.
724         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
725         blocks and the symmetric IF-ELSE-JOIN case.
726         (cond_exec_find_if_block): Also new function mostly based on old
727         find_if_block and process_if_block.
728         (find_if_header): Replace find_if_block call with separately
729         guarded calls to noce_find_if_block and cond_exec_find_if_block.
730         (find_cond_trap): Update noce_get_condition call.
731         (dead_or_predicable): Likewise.
732
733 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
734
735         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
736         Remove.
737         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
738         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
739         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
740         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
741         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
742         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
743         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
744         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
745         __builtin_ia32_psrad128 builtins.
746
747 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
748
749         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
750         * config/i386/constraints.md
751         (define_constraint "I"): Use IN_RANGE macro.
752         (define_constraint "J"): Ditto.
753         (define_constraint "K"): Ditto.
754         (define_constraint "M"): Ditto.
755         (define_constraint "N"): Ditto.
756         (define_constraint "O"): Ditto.
757         * config/i386/predicates.md
758         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
759         (define_predicate "const_0_to_3_operand"): Ditto.
760         (define_predicate "const_0_to_7_operand"): Ditto.
761         (define_predicate "const_0_to_15_operand"): Ditto.
762         (define_predicate "const_0_to_63_operand"): Ditto.
763         (define_predicate "const_0_to_255_operand"): Ditto.
764         (define_predicate "const_1_to_31_operand"): Ditto.
765         (define_predicate "const_2_to_3_operand"): Ditto.
766         (define_predicate "const_4_to_7_operand"): Ditto.
767
768 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
769
770         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
771         in SImode for save_world.
772         * config/rs6000/altivec.md (save_world, restore_world): Convert to
773         LR hard reg.
774
775 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
776
777         PR tree-optimization/30784
778         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
779         BIT_FIELD_REF.
780
781 2007-03-25  Revital Eres  <eres@il.ibm.com>
782
783         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
784           Fold movement_possibility function into it.
785
786 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
787
788         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
789         (load_macho_picbase_{si,di}): Convert to LR hard reg.
790         (call_indirect_nonlocal_darwin64): Same.
791         (call_nonlocal_darwin64): Same.
792         (call_value_indirect_nonlocal_darwin64): Same.
793         (call_value_nonlocal_darwin64): Same.
794         (sibcall_nonlocal_darwin64): Same.
795         (sibcall_value_nonlocal_darwin64): Same.
796         (sibcall_symbolic_64): Same.
797         (sibcall_value_symbolic_64): Same.
798         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
799         LR pseudo.
800         (rs6000_emit_load_toc_table): Same.
801         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
802         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
803         (mull_call): Same.
804         (divss_call): Same.
805         (divus_call): Same.
806         (quoss_call): Same.
807         (quous_call): Same.
808         (load_toc_v4_pic_si): Same
809         (load_toc_v4_PIC_1): Same.
810         (load_toc_v4_PIC_1b): Same.
811         (call_indirect_aix{32,64}): Same.
812         (call_value_indirect_aix{32,64}): Same.
813         (call): Same.
814         (call_value): Same.
815         (call_local{32,64}): Same.
816         (call_value_local{32,64}): Same.
817         (call_indirect_nonlocal_aix{32,64}): Same.
818         (call_nonlocal_aix{32,64}): Same.
819         (call_value_indirect_nonlocal_aix{32,64}): Same.
820         (call_value_nonlocal_aix{32,64}): Same.
821         (call_indirect_nonlocal_sysv<mode>): Same.
822         (call_nonlocal_sysv<mode>): Same.
823         (call_value_indirect_nonlocal_sysv<mode>): Same.
824         (call_value_nonlocal_sysv<mode>): Same.
825         (sibcall): Same.
826         (sibcall_local{32,64}): Same.
827         (sibcall_value_local{32,64}): Same.
828         (sibcall_nonlocal_aix{32,64}): Same.
829         (sibcall_value_nonlocal_aix{32,64}): Same.
830         (sibcall_nonlocal_sysv<mode>): Same.
831         (sibcall_value): Same.
832         (sibcall_value_nonlocal_sysv<mode>): Same.
833
834 2007-03-24  Paul Brook  <paul@codesourcery.com>
835
836         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
837         * config/arm/linux-eabi.h: Remove legacy syscall hack.
838
839 2007-03-24  Richard Henderson  <rth@redhat.com>
840
841         * config/ia64/constraints.md: New file.
842         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
843         satisfies_constraint_?.
844         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
845         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
846         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
847         ia64_output_mi_thunk): Likewise.
848         (ia64_const_ok_for_letter_p): Remove.
849         (ia64_const_double_ok_for_letter_p): Remove.
850         (ia64_extra_constraint): Remove.
851         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
852         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
853         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
854         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
855         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
856         EXTRA_MEMORY_CONSTRAINT): Remove.
857         * config/ia64/ia64.md: Include constriants.md.  Replace
858         CONST_OK_FOR_? with satisfies_constraint_?.
859
860 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
861             H.J. Lu  <hongjiu.lu@intel.com>
862
863         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
864         DPD or BID name.
865         (name macros): Use DPD_BID_NAME to convert names properly.
866
867         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
868         decimal floating point format.
869         (init_floating_libfuncs): Change decimal functions so that they
870         have a "bid_" prefix if the decimal system uses the BID format,
871         and "dpd_" prefix if the decimal system uses the DPD format.
872         (init_interclass_conv_libfuncs): Ditto.
873         (init_intraclass_conv_libfuncs): Ditto.
874
875         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
876         using the BID format.
877
878         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
879         whether we are using the BID decimal format.
880         * configure: Regenerate.
881
882         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
883         the compiler has decimal floating point enabled.  Define
884         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
885         instead of DPD.
886
887         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
888         using the BID format.
889
890         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
891         whether we are using the BID decimal format.
892         * configure: Regenerate.
893
894         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
895         the compiler has decimal floating point enabled.  Define
896         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
897         instead of DPD.
898
899         * doc/install.texi (--enable-decimal-float): Document BID and DPD
900         options, and that it is enabled for i386/x86_64 systems.
901
902         * Makefile.in (enable_decimal_float): New.
903         (DECNUMFMT): New.
904         (DECNUMINC): Add  -I$(DECNUMFMT).
905         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
906         to $(DECNUMFMT) from $(DECNUM).
907
908         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
909         Substitute enable_decimal_float.
910         * configure: Regenerated.
911
912         PR other/30529
913         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
914         unsigned long.
915
916         * configure.ac: Enable decimal float for x86_64-*-linux*.
917         * configure: Regenerated.
918
919         PR other/30530
920         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
921         decimal128ClearSign to flip and clear the sign bit in decimal128.
922         (decimal_real_maxval): Set decimal128SetSign to set the sign
923         bit in decimal128.
924
925 2007-03-23  Ian Lance Taylor  <iant@google.com>
926
927         * fold-const.c (fold_binary): Correct warning for X - c >= X.
928
929 2007-03-23  Ian Lance Taylor  <iant@google.com>
930
931         * tree-dump.c (dump_files): Correct comment.
932
933 2007-03-23  Ian Lance Taylor  <iant@google.com>
934
935         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
936
937 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
938
939         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
940         in cfglayout mode.  Don't go into and out of cfglayout mode.
941         Link the blocks in the order of the constructed traces.
942         (rest_of_handle_tracer): Adjust call to tracer.
943         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
944         Don't go into cfglayout mode.
945         (rtl_loop_done): Don't go out of cfglayout mode.
946         * cfglayout.c (relink_block_chain): New function, split out from...
947         (fixup_reorder_chain): ...here.  Remove redundant checking.
948         (cfg_layout_finalize): Don't clear the header, footer, and aux
949         fields here, move the code to do so to relink_block_chain.  Likewise
950         for free_original_copy_tables.
951         * rtl.h (tracer): Update prototype.
952         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
953         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
954         mode.  Use relink_block_chain to serialize the CFG according to the
955         new basic block order.  Move targetm.cannot_modify_jumps_p check from
956         here...
957         (gate_handle_reorder_blocks): ...to here.
958         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
959         from here...
960         (gate_duplicate_computed_gotos): ...to here.
961         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
962         something always changes when going into and out of cfglayout mode.
963         Perform an expensive cfg cleanup while going into cfglayout mode.
964         Always update liveness information on HAVE_conditional_execution
965         targets.  Reserialize the basic blocks and go out of cfglayout mode.
966         * reg-stack.c: Include cfglayout.h.
967         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
968         the call to reorder_basic_blocks.
969         * basic-block.h (reorder_basic_blocks): Update prototype.
970         (relink_block_chain): New prototype.
971         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
972
973 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
974
975         * config/mips/mips.md (type, hazard, *movdi_32bit,
976         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
977         *movhi_internal, *movqi_internal, *movsf_hardfloat,
978         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
979         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
980         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
981         applicable.
982         (movcc): Change first xfer to multi.
983         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
984         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
985         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
986         config/mips/generic.md: Change reservations using "xfer" to use
987         "mfc,mtc".
988         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
989         using match_operand.
990         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
991         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
992         examining mode.
993         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
994
995 2007-03-22  Richard Henderson  <rth@redhat.com>
996
997         * config/i386/i386.c: Remove unnecessary function declarations.
998         Move targetm definition, and all related macros, to the end of
999         the file.  Resort some functions to put definitions before uses.
1000         (ix86_attribute_table): Make static.  Move to end of file.
1001         (ix86_gimplify_va_arg): Make static.
1002
1003 2007-03-22  Richard Henderson  <rth@redhat.com>
1004
1005         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1006         don't increase local_regparm with force_align_arg_pointer check.
1007         (ix86_function_sseregparm): Assert 32-bit.
1008         (type_has_variadic_args_p): New.
1009         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1010         type_has_variadic_args_p.
1011         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1012         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1013         use memset instead.  Do maybe_vaarg check first; skip attribute
1014         tests if true; skip attribute tests for 64-bit.
1015         (construct_container): Remove TARGET_DEBUG_ARG.
1016         (function_arg_advance_32, function_arg_advance_64): Split out ...
1017         (function_arg_advance): ... from here.
1018         (function_arg_32, function_arg_64): Split out ...
1019         (function_arg): ... from here.
1020         (ix86_pass_by_reference): Tidy.
1021         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1022         (function_value_32): New, from parts of ix86_function_value
1023         and ix86_value_regno.
1024         (function_value_64): New, from parts of ix86_function_value
1025         and ix86_libcall_value.
1026         (ix86_function_value_1): New.
1027         (ix86_function_value, ix86_libcall_value): Use it.
1028         (return_in_memory_32, return_in_memory_64): Split out ...
1029         (ix86_return_in_memory): ... from here.
1030         (ix86_struct_value_rtx): Skip for 64-bit.
1031         (ix86_libcall_value, ix86_value_regno): Remove.
1032         (setup_incoming_varargs_64): Split out ...
1033         (ix86_setup_incoming_varargs): ... from here.
1034         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1035         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1036         * config/i386/i386-protos.h (ix86_function_value): Remove.
1037         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1038
1039 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1040
1041         PR other/23572
1042         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1043         infinities not supported, otherwise emit warning if -Woverflow. On
1044         underflow, emit warning if -Woverflow.
1045         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1046         and 0 otherwise.
1047         * real.h (real_from_string): Update declaration
1048
1049 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1050             Richard Henderson  <rth@redhat.com>
1051
1052         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1053         * calls.c (compute_argument_block_size, expand_call,
1054         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1055         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1056         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1057         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1058         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1059         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1060         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1061         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1062         Set to 1.
1063
1064 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1065
1066         * c-incpath.c (add_sysroot_to_chain): New.
1067         (merge_include_chains): Add sysroot argument.  Call
1068         add_sysroot_to_chain if sysrooted.
1069         (register_include_chains): Update call to merge_include_chains.
1070         * doc/cppopts.texi: Document use of '=' in include directory
1071         arguments.
1072
1073 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1074
1075         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1076         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1077         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1078         insn pattern using X87MODEF12 mode macro.
1079
1080 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1081
1082         * regmove.c (regmove_optimize): Use reg_mentioned_p
1083         instead of reg_overlap_mentioned_p for DST.
1084
1085 2007-03-21  Mike Stump  <mrs@apple.com>
1086
1087         * c.opt: Fixup for Objective-C/C++.
1088
1089 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1090
1091         * explow.c (convert_memory_address): Fold memory reference when
1092         POINTERS_EXTEND_UNSIGNED < 0
1093
1094 2007-03-21  Richard Henderson  <rth@redhat.com>
1095
1096         PR target/31245
1097         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1098         * config/i386/mmintrin.h (__m64): Likewise.
1099         * config/i386/xmmintrin.h (__m128): Likewise.
1100
1101 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1102
1103         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1104         (VXWORKS_OS_CPP_BUILTINS): Define.
1105         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1106         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1107
1108 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1109
1110         * rtl.h (constant_pool_reference_p): Delete.
1111         (find_constant_src): Declare.
1112         * rtlanal.c (find_constant_src): New function.
1113         * simplify-rtx.c (constant_pool_reference_p): Delete.
1114         * config/i386/i386.md: Use find_constant_src instead of
1115         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1116
1117 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1118
1119         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1120         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1121
1122 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1123
1124         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1125         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1126         (arm_elf_asm_constructor): Use it.
1127         (arm_elf_asm_destructor): New function.
1128
1129 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1130
1131         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1132
1133 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1134
1135         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1136
1137 2007-03-19  Andrew Haley  <aph@redhat.com>
1138
1139         PR tree-optimization/31264
1140         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1141         VIEW_CONVERT_EXPRs.
1142
1143 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1144
1145         PR rtl-optimization/30907
1146         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1147         (fwprop_init): Always call loop_optimizer_initialize.
1148         (fwprop_done): Always call loop_optimizer_finalize.
1149         (fwprop): We always have loop info now.
1150         (gate_fwprop_addr): Remove.
1151         (pass_fwprop_addr): Use gate_fwprop as gate.
1152
1153         PR rtl-optimization/30841
1154         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1155         df_chain_alloc): Call df_reorganize_refs unconditionally.
1156         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1157         refs_organized to refs_organized_size.
1158         (df_ref_create_structure): Use refs_organized_size instead of
1159         bitmap_size if refs had been organized, and keep refs_organized_size
1160         up-to-date.
1161         * df.h (struct df_ref_info): Change refs_organized to
1162         refs_organized_size.
1163         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1164         bitmap_size.
1165
1166 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1167
1168         * except.c (output_function_exception_table): Do not reference the
1169         EH personality routine for functions that do not require an
1170         exception table.
1171
1172 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1173
1174         PR c/30762
1175         * c-typeck.c (convert_for_assignment): Call comptypes for
1176         RECORD_TYPE or UNION_TYPE.
1177
1178         PR inline-asm/30505
1179         * reload1.c (reload): Do invalid ASM checking after
1180         cleanup_subreg_operands.
1181
1182 2007-03-19  Jeff Law  <law@redhat.com>
1183
1184         * tree-cfg.c (find_taken_edge): Tighten conditions for
1185         optimizing computed gotos.
1186
1187 2007-03-19  Michael Matz  <matz@suse.de>
1188
1189         * builtins.c (expand_builtin_sync_operation,
1190         expand_builtin_compare_and_swap,
1191         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1192         correctly.
1193
1194         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1195         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1196         for operand 3.
1197
1198 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1199
1200         * doc/tm.texi: Add brackets around the return type of
1201         TARGET_SECONDARY_RELOAD.
1202
1203 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1204         Richard Guenther  <rguenther@suse.de>
1205
1206         PR tree-optimization/31254
1207         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1208         Use handled_component_p () where appropriate.  Continue
1209         propagating into the rhs if we propagated into an INDIRECT_REF
1210         on the lhs.
1211
1212 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1213
1214         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1215         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1216         (xde, xdee): Mode attributes adjusted to support DFP modes.
1217         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1218         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1219         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1220         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1221         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1222         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1223         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1224         numbers.
1225         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1226         "movsf"): Insn definitions removed.
1227         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1228         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1229         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1230         definitions added.
1231         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1232         "reload_in<mode>", "reload_out<mode>"): Expander added.
1233         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1234         Expander removed.
1235
1236 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1237
1238         * config/s390/s390.md: Only non-functional changes.  Renamed
1239         FPR mode macro to BFP all over the file.
1240
1241 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1242
1243         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1244         (op_type attribute): RRF instruction type added.
1245         (fT0): New mode attribute.
1246         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1247         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1248         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1249         no secondary memory is needed when moving DFmode values between GPRs
1250         and FPRs.
1251
1252 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1253
1254         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1255         inverted and documentation adjusted.
1256         ("mhard-dfp", "msoft-dfp"): New options.
1257         * config/s390/s390.c (s390_handle_arch_option): New architecture
1258         switch: z9-ec.
1259         (override_options): Sanity checks for the new options added.
1260         * config.gcc: New architecture switch: z9-ec.
1261         * config/s390/s390.h (processor_flags): PF_DFP added.
1262         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1263         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1264         when the bit is NOT set so remove it from the defaults.
1265
1266 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1267
1268         * genemit.c (main): Print include statement for dfp.h.
1269         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1270         is not available.
1271
1272 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1273
1274         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1275
1276 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1277
1278         PR target/31022
1279         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1280         instead of PATTERN.
1281
1282 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1283
1284         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1285         attr_length_call, output_call, output_indirect_call): Cleanup
1286         formatting of targetm calls.
1287
1288 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1289
1290         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1291
1292 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1293
1294         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1295         reservation, bypass and anti-bypass descriptions for these instructions.
1296         Update move patterns.
1297         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1298         TYPE_FPSTORE.
1299
1300 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1301
1302         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1303         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1304         (get_initial_def_for_reduction): Likewise.
1305
1306 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1307
1308         Fix PR tree-optimization/29922
1309         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1310         (get_representative): Removed.
1311         (value_dies_in_block_x): Update for rvuse removal.
1312         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1313         (compute_antic_aux): Handle when PHI nodes appear in
1314         non-single-successors.
1315         (dump_bitmap_of_names): Removed.
1316         (compute_antic_safe): Renamed and removed rvuse calculation.
1317         Calculate only antic safe.
1318         (insert_into_preds_of_block): Remove assert.
1319         (execute_pre): Update for renamed functions.
1320         (defer_or_phi_translate_block): New function.
1321
1322 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1323
1324         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1325         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1326         typos.
1327         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1328         Follow spelling conventions.
1329
1330         * tree-data-ref.h: Remove the prototype for analyze_array.
1331
1332 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1333
1334         PR tree-optimization/31041
1335         * tree-vect-transform.c (get_initial_def_for_induction): Call
1336         force_gimple_operand.
1337
1338 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1339
1340         * ipa-type-escape.c (look_for_casts) : Revert code to use
1341         handled_component_p due to ada test a-numaux.adb.
1342
1343 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1344
1345         * final.c (final_scan_insn): Alter the condition of a
1346         conditional trap if we have nonstandard CC.
1347
1348 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1349
1350         * configure.ac: Remove excess quoting from asm line 0 test.
1351         * configure: Rebuilt.
1352
1353 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1354
1355         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1356         * c-common.c (convert_and_check): Move warning logic to...
1357         (warnings_for_convert_and_check): ...here. Define.
1358         * c-common.h (warnings_for_convert_and_check): Declare.
1359
1360 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1361
1362         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1363         (output_call): Likewise.
1364
1365 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1366
1367         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1368
1369 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1370
1371         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1372
1373 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1374
1375         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1376         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1377
1378 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1379
1380         PR tree-optimization/31183
1381         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1382         Use double_int instead of unsigned int for representing access_strides.
1383         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1384
1385 2007-03-16  Richard Guenther  <rguenther@suse.de>
1386
1387         PR tree-optimization/31146
1388         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1389         to allow recursion of forward_propagate_addr_expr.
1390         (forward_propagate_addr_into_variable_array_index): Likewise.
1391         (forward_propagate_addr_expr): Likewise.
1392         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1393         (forward_propagate_addr_expr_1): Recurse on simple copies
1394         instead of propagating into them.  Do so for useless conversions
1395         as well.
1396         (forward_propagate_addr_expr): Clean up unused statements after
1397         recursion.
1398
1399 2007-03-16  Richard Guenther  <rguenther@suse.de>
1400
1401         * builtins.c (expand_builtin_cexpi): Use the right argument
1402         for the expansion via cexp.
1403
1404 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1405
1406         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1407         * configure: Rebuilt.
1408
1409 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1410
1411         PR debug/29906
1412         * dwarf2out.c (force_type_die): Adjust comment.
1413         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1414
1415 2007-03-15  DJ Delorie  <dj@redhat.com>
1416
1417         * config/frv/predicates.md (minmax_operator): Don't check operands
1418         here.
1419
1420 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1421
1422         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1423         Update constant estimates of number of iterations.
1424         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1425         argument renamed to "realistic".
1426         (compute_estimated_nb_iterations): Removed.
1427         (record_niter_bound): New function.
1428         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1429         call record_nonwrapping_iv with upper = false.
1430         (infer_loop_bounds_from_signedness): Pass upper argument to
1431         record_nonwrapping_iv.
1432         (estimate_numbers_of_iterations_loop): Do not call
1433         compute_estimated_nb_iterations.  Record estimate based on profile
1434         information.  Initialize the constant estimates of number of
1435         iterations.
1436         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1437         estimates.
1438         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1439         number of iterations is too small.
1440         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1441         (EST_NOT_AVAILABLE): Removed.
1442         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1443         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1444         fields.
1445
1446 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1447
1448         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1449         Handle NE_EXPR guards.
1450
1451 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1452
1453         PR c++/24924
1454         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1455         Set also -pedantic-errors by default for the  preprocessor unless
1456         -fpermissive is given.
1457
1458 2007-03-15  Richard Guenther  <rguenther@suse.de>
1459
1460         PR middle-end/29719
1461         PR middle-end/31161
1462         * builtins.c (expand_builtin_cexpi): As a fallback if we
1463         don't have builtins for sincos or cexp create a function
1464         declaration for cexp and expand to a call to that.
1465         (expand_builtin_int_roundingfn): Always fall
1466         back to floor/ceil and its variants even if they may be
1467         not available.
1468
1469 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1470
1471         PR middle-end/31159
1472         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1473         jump tables, move the call to delete_dead_jumptables from here...
1474         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1475         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1476         don't allow merging of blocks that try_redirect_by_replacing_jump
1477         also does not handle when not optimizing.
1478
1479 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1480             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1481
1482         * config/i386/i386.md (x86_sahf_1): Correctly handle
1483         HAVE_AS_IX86_SAHF.
1484
1485 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         PR target/31167
1488         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1489         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1490         from operand constraints and use "e" constraint instead.
1491         (*subti3_1, *subti3_1 splitter): Ditto.
1492         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1493         operand[1] predicate.
1494
1495 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1496
1497         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1498         arrays, multiply the access strides by the size of the sub-array.
1499         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1500
1501 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1502
1503         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1504         the configured assembler supports the sahf mnemonic.
1505         * configure: Regenerate.
1506         * config.in: Regenerate.
1507
1508         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1509         emit "sahf" or ".byte\t0x9e" as asm template.
1510
1511 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1512
1513         PR 31018
1514         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1515         option to replace hard coded TARGET_xxx in md file.
1516         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1517         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1518         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1519         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1520         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1521         (X86_TUNE_NOT_VECTORMODE): Ditto.
1522         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1523         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1524         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1525         (TUNE_SLOW_IMUL_IMM8): Ditto.
1526         (TUNE_MOVE_M1_VIA_OR): Ditto.
1527         (TUNE_NOT_UNPAIRABLE): Ditto.
1528         (TUNE_NOT_VECTORMODE): Ditto.
1529
1530         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1531         options.
1532
1533         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1534         tuning options instead of hard coded TARGET_xxx.
1535         (fix ssemode peephole2's): Ditto.
1536         (imul peephole2's): Ditto.
1537         (movsi_or): Ditto.
1538         (movdi_or_rex64): Ditto.
1539         (move peephole2): Ditto.
1540         (not peephole2's): Ditto.
1541
1542 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1543
1544         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1545         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1546         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1547         of empty body.
1548         * c-parser.c (c_parser_do_statement): Warn about empty body in
1549         do/while statement.
1550         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1551         * doc/invoke.texi (-Wempty-body): Update documentation.
1552
1553 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1554
1555         PR c/21438
1556         * c-common.h (warn_for_div_by_zero): Declare.
1557         * c-common.c (warn_for_div_by_zero): Define.
1558         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1559         warning.
1560
1561 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1562
1563         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1564         to PREFIX and STANDARD_PREFIX.
1565
1566 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1567             Phil Edwards  <phil@codesourcery.com>
1568
1569         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1570         (__gthread_once_t): Remove busy field for RTPs.
1571         (__GTHREAD_ONCE_INIT): Update accordingly.
1572
1573 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1574
1575         * doc/invoke.texi: Document VxWorks options.
1576
1577 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1578
1579         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1580
1581 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1582
1583         PR tree-optimization/30590
1584         * tree-nrv.c (tree_nrv): Check for the partial update of the
1585         return value.
1586
1587 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1588
1589         * flags.h (flag_random_seed): Remove declaration, in favor of...
1590         * toplev.h (get_random_seed, set_random_seed): ... these.
1591         * tree.c (get_file_function_name): Use the former.
1592         * opts.c (common_handle_option): Use the latter.
1593         * toplev.c
1594
1595 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1596
1597         PR middle-end/31127
1598         * cse.c (cse_find_path): Do not bail out if a basic block that
1599         we already visited now becomes part of a path that starts at a
1600         different basic block.  Just disallow this, to make sure we
1601         visit each basic block at most once.
1602
1603 2007-03-13  Jan Hubicka  <jh@suse.cz>
1604
1605         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1606         when profile esitmate is present, calls with very low frequency are
1607         cold.
1608
1609 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1610
1611         PR tree-optimization/30730
1612         PR tree-optimization/26900
1613         * tree-ssa-loop-niter.c: Include gmp.h.
1614         (bounds): New type.
1615         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1616         split_to_var_and_offset, determine_value_range,
1617         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1618         bound_difference, bounds_add, bounds_negate,
1619         number_of_iterations_ne_max, dump_affine_iv): New functions.
1620         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1621         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1622         difference of initial and final value of control iv to validate
1623         results.
1624         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1625         on the difference of the extremes of the control iv.  Add dumps.
1626         (expand_simple_operations): Handle phi nodes.
1627         (simplify_using_initial_conditions): Do not record used conditions.
1628         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1629         Do not set additional_info.
1630         (implies_nonnegative_p, implies_ge_p): Removed.
1631         (derive_constant_upper_bound): Do not use parameter `additional'.
1632         (record_estimate): Parameter `additional' removed.  Parameter
1633         `i_bound' added.  Do not call derive_constant_upper_bound.
1634         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1635         bound the number of iterations estimate.
1636         (estimate_numbers_of_iterations_loop): Pass the estimate from
1637         the number of iterations analysis to record_estimate.
1638         * tree.h (multiple_of_p): Declare.
1639         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1640         (scev_const_prop): Do not check expression_expensive_p.
1641         * fold-const.c (multiple_of_p): Exported.
1642         * double-int.c (double_int_mask): Exported.
1643         * double-int.h (double_int_mask): Declare.
1644         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1645         field.  Added max field.
1646
1647 2007-03-13  David Taylor  <taylor@candd.org>
1648
1649         PR driver/12448:
1650         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1651         default -MQ.
1652
1653 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1654
1655         PR target/31123
1656         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1657         two unamed patterns.
1658
1659 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1660
1661         * config/i386/i386.opt (mcx16, msahf): New options.
1662         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1663         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1664
1665         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1666         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1667         Output -mcx16 and -msahf options when corresponding bit is set.
1668
1669         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1670         and -msahf options.
1671
1672 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1673
1674         * configure.ac: Test for assembler tolerance to # 0 "".
1675         * configure, config.in: Rebuilt.
1676         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1677
1678 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1679
1680         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1681
1682         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1683         (handle_syscall): Handle direct system calls.
1684         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1685
1686 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1687
1688         * doc/invoke.texi: Fix cpp.info cross-reference.
1689         * doc/passes.texi: Fix gcc.info cross-reference.
1690
1691 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1692
1693         PR tree-optimization/30835
1694         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1695         bb_for_stmt is not NULL before accessing it.
1696
1697 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1698
1699         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1700         some multilibs.
1701
1702 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1703
1704         PR 30635
1705         * doc/install.texi: Document --enable-stage1-languages
1706
1707 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1708
1709         * tree-pass.h (pass_into_cfg_layout_mode,
1710         pass_outof_cfg_layout_mode): Declare.
1711         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1712         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1713         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1714         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1715
1716 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1717
1718         * c-decl.c (warn_variable_length_array): New function.
1719         Refactored from grokdeclarator to handle warn_vla
1720         and handle unnamed array case.
1721         (grokdeclarator): Refactored VLA warning case.
1722         * c.opt (Wvla): New flag.
1723         * doc/invoke.texi (Wvla): New warning.
1724
1725 2007-03-12  Richard Henderson  <rth@redhat.com>
1726
1727         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1728         (TARGET_SECTION_TYPE_FLAGS): New.
1729
1730 2007-03-12  Richard Henderson  <rth@redhat.com>
1731
1732         * config/darwin.c (machopic_reloc_rw_mask): New.
1733         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1734         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1735
1736 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1737
1738         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1739         * cppdefault.h (cpp_PREFIX): Document.
1740         (cpp_PREFIX_len): Likewise.
1741         (cpp_EXEC_PREFIX): New variable.
1742         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1743         * c-incpath.c (add_standard_paths): Correct logic for relocating
1744         paths within prefix.
1745
1746 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1747
1748         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1749         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1750         mode macro.
1751         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1752         fix_truncdfdi_sse using SSEMODEF mode macro.
1753         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1754         fix_truncdfsi_sse using SSEMODEF mode macro.
1755         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1756         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1757
1758 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1759
1760         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1761         elfos.h to tm_file.
1762
1763 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1764
1765         * tree.h : Add multiple_of_p declaration.
1766         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1767         * ipa-type-escape.c (results_of_malloc): Redundant.
1768         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1769         (cast_type): Extended with new members.
1770         (check_cast): Returns cast_type.
1771         (cast): New structure for data of walk_use_def_chains.
1772         (is_malloc_result, is_cast_from_non_pointer_1,
1773         is_cast_from_non_pointer,
1774         is_array_access_through_pointer_and_index): New functions.
1775         (look_for_casts): Returns cast types.
1776         (check_call): Returns void.
1777         (okay_pointer_operation): Use support of pointer plus index,
1778         pointer plus constant and allow all multiplications.
1779
1780 2007-03-11  Richard Guenther  <rguenther@suse.de>
1781
1782         PR tree-optimization/31115
1783         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1784         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1785         A shift count of zero is not special as with *_DIV_EXPR.
1786         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1787         direction.
1788
1789 2007-03-11  Ian Lance Taylor  <iant@google.com>
1790
1791         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1792         the *_DIV_EXPR codes correctly with overflow infinities.
1793
1794 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1795
1796         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1797         indicate success/failure of the analysis. Add negation to subtrahend
1798         in case of subtraction. Fail if both operands contain constants.
1799         (create_data_ref): Fail if analyze_offset fails.
1800
1801 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1802
1803         * config/i386/i386.md (frndintxf2): Rename to ...
1804         (rintxf2): ... this. Remove expander having same name.
1805         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1806         (roundsf2, rounddf2): Ditto.
1807         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1808         (lround<mode>di2, lround<mode>si2): Ditto.
1809
1810 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1811
1812         * lower-subreg.c: Include except.h.
1813         (decompose_multiword_subregs): Verify that the only control flow
1814         insns we can split are loads to multi-words pseudos.
1815         Handle breaking such blocks after splitting, instead of calling
1816         find_many_sub_basic_blocks.
1817
1818         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1819         on the new basic block.  Add a lengthy comment explaining why we
1820         thought this was necessary.
1821         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1822
1823 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1824
1825         PR c++/30924
1826         * tree.c (walk_type_fields): Recurse into the element type of
1827         ARRAY_TYPEs if there is a pointer set.
1828
1829 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1830
1831         * c-common.c (warn_logical_operator): Fix condition.
1832
1833 2007-03-10  Tobias Schl├╝ter  <tobi@gcc.gnu.org>
1834
1835         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1836         quotation mark.
1837         * config/darwin.c (machopic_select_section): Remove superfluous
1838         argument in call to categorize_decl_for_section.  Remove unused
1839         variable shlib.
1840
1841 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1842
1843         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1844         defined.
1845         * configure: Regenerate.
1846
1847 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1848
1849         PR target/31101
1850         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1851         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1852         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1853         Add LABEL_NUSES to emitted label.
1854         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1855         branch probability value to emitted jump insn.
1856         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1857         Do not check life information and do not re-arrange input operands
1858         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1859
1860 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1861
1862         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1863         the change of decode_asm_operands.
1864
1865 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1866
1867         * mode-switching.c (create_pre_exit): Skip blockage insn.
1868
1869 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1870
1871         * tree-pass.h (TODO_update_smt_usage): Remove.
1872         Update all users.
1873         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1874         argument SOME.
1875         Update all users.
1876
1877 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1878
1879         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1880         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1881         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1882         SOM target.
1883
1884 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1885
1886         * gcc.c: Document %{, in big comment at top.
1887         (input_suffix_matches): Remove special handling for .s and
1888         .S.
1889         (input_spec_matches): New.
1890         (handle_braces): Handle %{,.
1891         (validate_switches): ',' indicates a value which is not a switch.
1892         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1893         to detect assembler input.
1894         * config/i386/sol2.h (CPP_SPEC): Likewise.
1895         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1896         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1897         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1898         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1899         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1900         -m64 causes deployment target to default to 10.5.
1901         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1902
1903 2007-03-09  Richard Henderson  <rth@redhat.com>
1904
1905         PR target/26090
1906         * target.h (targetm.asm.out.reloc_rw_mask): New.
1907         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1908         (TARGET_ASM_OUT): Use it.
1909         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1910         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1911         use the new reloc_rw_mask target hook instead.
1912         (default_section_type_flags_1): Merge into...
1913         (default_section_type_flags): ... here.
1914         (decl_readonly_section_1): Merge into...
1915         (decl_readonly_section): ... here.
1916         (default_elf_select_section_1): Merge into...
1917         (default_elf_select_section): ... here.
1918         (default_unique_section_1): Merge into...
1919         (default_unique_section): ... here.
1920         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1921         (default_select_rtx_section): Use it.
1922         (default_elf_select_rtx_section): Likewise.
1923         * output.h: Update to match.
1924         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1925         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1926         (TARGET_ASM_RELOC_RW_MASK): New.
1927         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1928         to categorize_decl_for_section.
1929         (x86_64_elf_unique_section): Likewise.
1930         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1931         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1932         (TARGET_ASM_RELOC_RW_MASK): New.
1933         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1934         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1935         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1936         (TARGET_RWRELOC): Remove.
1937         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1938         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1939         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1940         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1941         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1942         (rs6000_xcoff_select_section): Use decl_readonly_section.
1943         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1944         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1945         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1946         (TARGET_SECTION_TYPE_FLAGS): Remove.
1947         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1948
1949 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1950
1951         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1952         complex constant equality/inequality comparisons for here.
1953         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1954         known at compile-time or can be simplified to a scalar comparison.
1955         (fold_relational_const): Move compile-time evaluation of complex
1956         constant equality/inequality comparisons to here.
1957
1958 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1959
1960         PR rtl-optimization/30643
1961         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1962         dest_addr_elt.
1963         (fold_rtx): Recurse, like before 2006-11-03.
1964
1965 2007-03-09  DJ Delorie  <dj@redhat.com>
1966
1967         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1968         m32c-pragma.o.
1969
1970 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1971
1972         PR tree-optimization/30375
1973         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1974         LHS of statements is not the same.
1975         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1976
1977 2007-03-09  Chao-ying Fu  <fu@mips.com>
1978
1979         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1980         REV 2.
1981         * doc/invoke.texi (-mdspr2): Document new option.
1982         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1983         New unspec for DSP REV 2.
1984         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1985         these instructions are extended in DSP REV 2.
1986         (mips-dspr2.md): Include.
1987         * config/mips/mips.opt (mdspr2): New option.
1988         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1989         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1990         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1991         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1992         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1993         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1994         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1995         and 2 builtins.
1996         (bdesc_map): Add one field of unsupported_target_flags.
1997         (bdesc_arrays):  Update entries to have extra fields.  Add
1998         dsp_32only_bdesc.
1999         (mips_init_builtins): Initialize new function types.
2000         Check unsupported_target_fileds to filter out builtins.
2001         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2002         TARGET_DSPR2.
2003         (ASM_SPEC): Pass mdspr2 to the assembler.
2004         * config/mips/mips-dspr2.md: New file.
2005
2006 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2007
2008         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2009
2010 2007-03-09  Ian Lance Taylor  <iant@google.com>
2011
2012         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2013         argument) like -Wstrict-overflow=2.
2014         * doc/invoke.texi (Warning Options): Update documentation.
2015
2016 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2017
2018         PR c++/17946
2019         * doc/invoke.texi (-Wlogical-op): Document.
2020         * common.opt (-Wlogical-op): New.
2021         * c-common.h (warn_logical_operator): Declare.
2022         * c-common.c (warn_logical_operator): Define.
2023         * c-typeck.c (parser_build_binary_op): Call
2024         warn_logical_operator.
2025
2026 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2027
2028         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2029         * final.c (final_scan_insn): Test for non-"" file name.
2030
2031 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2032
2033         * doc/loop.texi: Document the Omega linear constraints solver.
2034         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2035         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2036         omega-hash-table-size, omega-max-keys, and
2037         omega-eliminate-redundant-constraints.
2038         * tree-pass.h (pass_check_data_deps): Declared.
2039         * omega.c: New.
2040         * omega.h: New.
2041         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2042         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2043         pass_check_data_deps): New.
2044         * tree-data-ref.c (init_data_ref): Remove declaration.
2045         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2046         (analyze_array): Renamed init_array_ref, move up initializations.
2047         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2048         Removed arguments that are set to NULL.
2049         (analyze_indirect_ref): Correct indentation, correct call to
2050         init_pointer_ref.
2051         (object_analysis): Call init_array_ref instead of analyze_array.
2052         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2053         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2054         of DR_ACCESS_FNS_ADDR.
2055         (init_omega_eq_with_af, omega_extract_distance_vectors,
2056         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2057         ddr_consistent_p): New.
2058         (compute_affine_dependence): Check consistency of ddrs when
2059         flag_check_data_deps is passed.
2060         (analyze_all_data_dependences): Uncomment.
2061         (tree_check_data_deps): New.
2062         * tree-data-ref.h: Include omega.h.
2063         (DR_ACCESS_FNS_ADDR): Removed.
2064         (data_dependence_relation): Add inner_loop.
2065         (DDR_INNER_LOOP): New.
2066         * common.opt (fcheck-data-deps): New.
2067         * tree-flow.h (tree_check_data_deps): Declare.
2068         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2069         (OBJS-common): Depend on omega.o.
2070         (omega.o): Define.
2071         * passes.c (pass_check_data_deps): Scheduled.
2072         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2073         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2074         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2075         PARAM_VECT_MAX_VERSION_CHECKS,
2076         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2077
2078 2007-03-09  Richard Guenther  <rguenther@suse.de>
2079
2080         PR tree-optimization/30904
2081         PR middle-end/31058
2082         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2083         the same way as *_DIV_EXPR.
2084
2085 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2086
2087         * recog.c (decode_asm_operands): No mixed declarations and code.
2088
2089 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2090
2091         * rtl.def (ASM_INPUT): Add location.
2092         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2093         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2094         (decode_asm_operands): Add loc operand.
2095         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2096         * stmt.c (expand_asm): Rename to...
2097         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2098         gen_rtx_ASM_INPUT_loc.
2099         (expand_asm_expr): Adjust.
2100         * recog.c (decode_asm_operands): Add loc operand.
2101         (check_asm_operands, extract_insn): Adjust.
2102         * reload1.c (maybe_fix_stack_asms): Likewise.
2103         * final.c (asm_insn_count): Likewise.
2104         (final_scan_insn): Output # line before and after asm.
2105
2106 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2107
2108         * tree-ssa-structalias.c (variable_info): Remove
2109         finished_solution.
2110         (new_var_info): Ditto.
2111         (shared_bitmap_info_t): New structure.
2112         (shared_bitmap_table): New variable.
2113         (shared_bitmap_hash): New function.
2114         (shared_bitmap_eq): Ditto
2115         (shared_bitmap_lookup): Ditto.
2116         (shared_bitmap_add): Ditto.
2117         (merge_smts_into): Change to take bitmap directly.
2118         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2119         (init_alias_vars): Init shared bitmap hashtable.
2120         (delete_points_to_sets): Delete shared bitmap hashtable.
2121         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2122         is_aliased removal as a change that was still necessary was
2123         deleted.
2124
2125 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2126
2127         * config/i386/i386.h (override_options): Conditionally disable
2128         x86_sahf for 64bit targets only.
2129
2130 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2131
2132         PR C/31072
2133         * c-decl.c (merge_decls): Don't call make_var_volatile.
2134         * varasm.c (make_var_volatile): Remove.
2135         * output.h (make_var_volatile): Remove.
2136
2137 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2138
2139         PR tree-optimization/31085
2140         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2141
2142 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2143
2144         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2145         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2146         ATTR_CONST_NOTHROW_LIST.
2147
2148         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2149         FIX_TRUNC_EXPR.
2150
2151 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2152
2153         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2154
2155 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2156
2157         PR 31013
2158         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2159         is declared.
2160         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2161         passed, use shared libgcc.
2162
2163 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2164
2165         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2166         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2167         (honor_protect_cleanup_actions, lower_try_finally_switch):
2168         Likewise.
2169         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2170         ifc_temp_var): Likewise.
2171         * tree-inline.c (setup_one_parameter): Likewise.
2172         * tree-mudflap.c (mf_decl_cache_locals,
2173         mf_build_check_statement_for): Likewise.
2174         * tree-nested.c (init_tmp_var, save_tmp_var,
2175         finalize_nesting_tree_1): Likewise.
2176         * tree-outof-ssa.c (insert_copy_on_edge,
2177         insert_backedge_copies): Likewise.
2178         * tree-profile.c (tree_gen_edge_profiler,
2179         tree_gen_ic_profiler): Likewise.
2180         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2181         * tree-sra.c (sra_build_assignment): Likewise.
2182         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2183         * tree-ssa-math-opts.c (insert_reciprocals,
2184         execute_cse_sincos_1): Likewise.
2185         * tree-tailcall.c (adjust_accumulator_values,
2186         adjust_return_value): Likewise.
2187         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2188         * tree-vect-transform.c (vect_create_data_ref_ptr,
2189         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2190         vect_create_epilog_for_reduction, vectorizable_reduction,
2191         vectorizable_call, vectorizable_conversion,
2192         vectorizable_assignment, vectorizable_operation,
2193         vectorizable_type_demotion, vect_gen_widened_results_half,
2194         vect_permute_store_chain, vectorizable_store,
2195         vect_setup_realignment, vect_permute_load_chain,
2196         vectorizable_load, vectorizable_condition,
2197         vect_create_cond_for_align_checks): Likewise.
2198         * tree-vrp.c (build_assert_expr_for): Likewise.
2199
2200 2007-03-08  Ian Lance Taylor  <iant@google.com>
2201
2202         * tree-vrp.c: Include "intl.h".
2203         (usable_range_p): New static function.
2204         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2205         overflowed values, juts set *strict_overflow_p.
2206         (compare_values): Only return -2 if one of the operands is not a
2207         constant.
2208         (compare_ranges): Call usable_range_p.
2209         (compare_range_with_value): Likewise.
2210         (vrp_evaluate_conditional_warnv): Rename from
2211         vrp_evaluate_conditional.  Make static.  Change all callers.
2212         (vrp_evaluate_conditional): New function.
2213         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2214         on signed overflow.
2215         (simplify_abs_using_ranges): Likewise.
2216         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2217         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2218         within_stmt parameter.
2219         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2220         vrp_evaluate_conditional.
2221         * tree-ssa-threadedge.c
2222         (record_temporary_equivalences_from_stmts_at_dest): Change
2223         simplify parameter to take a second tree parameter.
2224         (simplify_control_stmt_condition): Likewise.
2225         (thread_across_edge): Likewise.
2226         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2227         (thread_across_edge): Likewise.
2228         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2229
2230 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2231
2232         * config/i386/i386.h (TARGET_SAHF): New define.
2233         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2234         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2235         (x86_sahf): New global variable.
2236         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2237         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2238         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2239         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2240         for 64-bit.
2241         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2242         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2243         when expanding fcomi/sahf based tests.
2244         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2245         expanding sahf based alternative. Emit sahf based sequence when
2246         optimizing for code size.
2247         * config/i386/i386.md (x86_sahf_1): Do not disable for
2248         TARGET_64BIT, enable for TARGET_SAHF.
2249
2250 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2251
2252         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2253         spurious whitespace from error message.
2254
2255 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2256
2257         PR c++/30852
2258         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2259
2260 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2261
2262         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2263         bitfields.
2264         * tree-sra.c (instantiate_element): Propagate disabled warnings
2265         from the element itself to the created variable.
2266
2267 2007-03-07  Richard Henderson  <rth@redhat.com>
2268
2269         PR target/30848
2270         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2271         silently fix up the stack in the case of a missing register.
2272
2273 2007-03-07  Paul Brook  <paul@codesourcery.com>
2274
2275         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2276
2277 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2278
2279         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2280         New.
2281         (phase1_vrs): Use them.
2282         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2283         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2284         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2285         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2286         __gnu_Unwind_Restore_WMMXC if required.
2287         (_Unwind_VRS_Pop): Implement iWMMXt support.
2288         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2289         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2290         gnu_Unwind_Save_WMMXC): Define.
2291
2292 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2293
2294         * config/vxworks.h (vxworks_override_options): Declare.
2295         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2296         * config/vxworks.c: Include target.h and toplev.h.
2297         (vxworks_override_options): New function.
2298         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2299
2300 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2301
2302         * config/s390/s390.c (override_options): Don't emit an error when
2303         -mstack-size is used without providing -mstack-guard.
2304         (s390_emit_prologue): Choose stack_guard value automatically if not
2305         provided via command line.
2306         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2307
2308 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2309
2310         * config/i386/i386.c (output_set_got): Add a GOT initialization
2311         sequence for VxWorks PIC.
2312         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2313         around labels as well as symbols.  Use gotoff_operand instead
2314         of local_symbolic_operand.
2315         (legitimize_pic_address): Use gotoff_operand instead of
2316         local_symbolic_operand.  Use @GOT accesses for labels as
2317         well as symbols.
2318         (ix86_output_addr_diff_elt): Use PC-relative rather than
2319         GP-relative offsets for VxWorks PIC.
2320         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2321         no_new_pseudos.  Check whether the returned register is op0.
2322         * config/i386/i386.md (tablejump): Use PC-relative rather than
2323         GP-relative offsets for VxWorks PIC.
2324         * config/i386/predicates.md (gotoff_operand): New predicate.
2325
2326 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2327
2328         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2329         before defining.
2330         * config/vxworks-dummy.h: New file.
2331         * config/i386/i386.h: Include it.
2332
2333 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2334
2335         * dwarf2out.c (is_inlined_entry_point): New
2336         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2337         DW_AT_ranges if the first subblock is the entry point.
2338
2339 2007-03-06  David Daney  <ddaney@avtrex.com>
2340
2341         * doc/install.texi (mips-*-*): Change recommended binutils
2342         version.
2343
2344 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2345
2346         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2347         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2348         devices.
2349         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2350         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2351
2352 2007-03-06  Jan Hubicka  <jh@suse.cz>
2353
2354         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2355         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2356         are hot.
2357         (probably_cold_bb_p): Cold functions are cold.
2358         (probably_never_executed_bb_p): Cold functions are cold.
2359         (tree_bb_level_predictions): Predict calls to cold functions as not
2360         taken.
2361         (compute_function_frequency): Check hot/cold attributes.
2362         * function.h (function_frequency): Update comments.
2363         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2364         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2365         (c_common_att): Add cold and hot.
2366
2367         * doc/extend.texi (hot,cold attributes): Document.
2368
2369 2007-03-06  Andrew Haley  <aph@redhat.com>
2370
2371         * function.c (expand_function_end): Move blockage to just after we
2372         emit the label for the naked return from the function.
2373
2374 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2375
2376         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2377         before redefining.
2378
2379 2007-03-06  Jan Hubicka  <jh@suse.cz>
2380
2381         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2382         loaded for constant large models.  Non-large 64bit PIC can do.
2383         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2384         * cmodel.h: Add LARGE PIC.
2385         * i386.md (UNSPEC_PLTOFF): New.
2386         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2387         needed.
2388         (*call_1_rex64): Disable for large models.
2389         (*call_1_rex64_large): New.
2390         (*call_value_1_rex64): Disable for large models.
2391         (*call_value_1_rex64_large): New.
2392         (set_rip_rex4): New.
2393         (set_got_offset_rex64): New.
2394         * predicates.md (constant_call_address_operand): For large model
2395         constant calls are not possible.
2396         * i386-protos.h (construct_plt_address): Declare.
2397         * i386.c (override_options): Accept large models.
2398         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2399         (legitimate_constant_p): Add new UNSPECs.
2400         (legitimate_pic_operand_p): Likewise.
2401         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2402         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2403         non-large model.
2404         (output_pic_addr_const): Add PLTOFF.
2405         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2406         (ix86_expand_move): Legitimize pic address when in PIC mode.
2407         (construct_plt_address): New function.
2408         (ix86_expand_call): Offload the address to register and use GOT pointer
2409         for large model.
2410         * invoke.texi (mcmodel=large): Update documentation.
2411
2412 2007-03-06  Richard Henderson  <rth@redhat.com>
2413
2414         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2415         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2416         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2417         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2418         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2419         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2420         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2421         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2422         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2423         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2424         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2425         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2426         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2427         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2428         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2429         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2430         x86_schedule, x86_use_bt, x86_pad_returns,
2431         x86_use_xchgb): Merge into ...
2432         (ix86_tune_features): ... here.  New array.
2433         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2434         x86_bswap): Merge into ...
2435         (ix86_arch_features): ... here.  New array.
2436         (x86_3dnow_a): Remove.
2437         (x86_accumulate_outgoing_args): Make static.
2438         (x86_arch_always_fancy_math_387): Make static.
2439         (ix86_tune_mask, ix86_arch_mask): Move ...
2440         (override_options): ... to local variables here.  Apply the
2441         appropriate mask to each element of ix86_arch_features and
2442         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2443         as were done in the old macros.
2444         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2445         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2446         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2447         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2448         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2449         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2450         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2451         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2452         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2453         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2454         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2455         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2456         x86_accumulate_outgoing_args, x86_prologue_using_move,
2457         x86_epilogue_using_move, x86_decompose_lea,
2458         x86_arch_always_fancy_math_387, x86_shift1,
2459         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2460         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2461         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2462         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2463         x86_use_incdec, x86_pad_returns, x86_bswap,
2464         x86_partial_flag_reg_stall): Remove.
2465         (enum ix86_tune_indices): New.
2466         (ix86_tune_features): New.
2467         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2468         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2469         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2470         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2471         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2472         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2473         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2474         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2475         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2476         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2477         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2478         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2479         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2480         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2481         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2482         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2483         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2484         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2485         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2486         TARGET_EXT_80387_CONSTANTS): Use it.
2487         (enum ix86_arch_indices): New.
2488         (ix86_arch_features): New.
2489         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2490         TARGET_BSWAP): Use it.
2491         (ix86_tune_mask, ix86_arch_mask): Remove.
2492
2493 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2494
2495         PR bootstrap/31020
2496         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2497         Define using $${sysroot_headers_suffix}.
2498         * configure: Regenerate.
2499         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2500         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2501         defined.
2502         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2503         * gcc.c (print_sysroot_headers_suffix): New.
2504         (option_map): Include --print-sysroot-headers-suffix.
2505         (display_help): Mention -print-sysroot-headers-suffix.
2506         (process_command): Handle -print-sysroot-headers-suffix.
2507         (do_spec_1): Append multilib directory to include-fixed path if
2508         sysroot suffixes in use.
2509         (main): Handle -print-sysroot-headers-suffix.
2510         * Makefile.in (start.encap): Don't depend on xlimits.h
2511         (xlimits.h): Remove.
2512         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2513         limits.h for each multilib in fixinc_list.
2514         (fixinc_list, s-fixinc_list): New.
2515         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2516         generate them for each multilib in fixinc_list.
2517         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2518         multilib in fixinc_list.
2519         (mostlyclean): Don't remove xlimits.h.
2520         (clean): Remove include-fixed.
2521         (real-install-headers-tar, real-install-headers-cpio,
2522         real-install-headers-cp): Don't copy include, only include-fixed.
2523         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2524         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2525         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2526         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2527
2528 2007-03-06  Jan Hubicka  <jh@suse.cz>
2529
2530         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2531         NANs easilly.
2532
2533 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2534
2535         * configure.ac: Allow tm_file to contain build-directory files.
2536         * configure: Regenerate.
2537         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2538         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2539         * config/m68k/print-sysroot-suffix.sh: New file.
2540
2541 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2542
2543         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2544         of pic_offset_table_rtx if reload_completed.
2545         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2546         PIC_OFFSET_TABLE_REGNUM.
2547         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2548         return true.
2549         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2550         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2551
2552 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2553
2554         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2555         functions that call eh_return.
2556
2557 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2558
2559         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2560         functions that need a constant pool.
2561
2562 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2563
2564         PR target/28181
2565         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2566         (m68k_preferred_reload_class): Likewise.
2567         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2568         (SECONDARY_RELOAD_CLASS): Define.
2569         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2570         (LIMIT_RELOAD_CLASS): Delete.
2571         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2572         registers from storing bytes.
2573         (m68k_secondary_reload_class): New function.
2574         (m68k_preferred_reload_class): Likewise.
2575
2576 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2577
2578         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2579         leaf functions.
2580         (m68k_expand_prologue): Likewise.
2581
2582 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2583
2584         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2585         (mips_expand_epilogue): Add a bool parameter.
2586         (m68k_legitimize_sibcall_address): Declare.
2587         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2588         (m68k_expand_epilogue): Add a parameter to select between sibling
2589         and normal epilogues.  Only generate a return for the latter.
2590         (m68k_ok_for_sibcall_p): New function.
2591         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2592         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2593         (sibcall_value, *sibcall_value): Likewise.
2594         (*call, *call_value): Require !SIBLING_CALL_P.
2595         (epilogue): Update call to m68k_expand_epilogue.
2596         (sibcall_epilogue): New pattern.
2597         * config/m68k/predicates.md (const_call_operand): Say that this
2598         predicate applies to sibling calls too.
2599         (sibcall_operand): New predicate.
2600
2601 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2602
2603         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2604         alternatives as movsi_cf.
2605         (movsf_cf_hard): Add commentary.
2606
2607 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2608             Richard Sandiford  <richard@codesourcery.com>
2609
2610         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2611         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2612         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2613         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2614         as being live on exit from an interrupt function.
2615         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2616         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2617         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2618         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2619         (m68k_interrupt_function_p): Globalize.
2620         (m68k_compute_frame_layout): Remove reverse mask code.
2621         (m68k_emit_movem, m68k_set_frame_related): New functions.
2622         (m68k_output_function_prologue): Delete in favor of...
2623         (m68k_expand_prologue): ...this new function.
2624         (m68k_output_function_epilogue): Delete in favor of...
2625         (m68k_expand_epilogue): ...this new function.
2626         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2627         functions.
2628         (print_operand): Handle %?.
2629         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2630         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2631         (prologue, epilogue): New patterns.
2632         (return): Turn into a define_expand.
2633         (*return): New pattern, derived from old "return" pattern.  Use rte
2634         rather than rts for interrupt functions.  Only use rtd if the pop
2635         count is nonzero.
2636         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2637         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2638         (link, *link, unlink, *unlink, load_got): Likewise.
2639
2640 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2641
2642         PR target/23482
2643         PR target/17114
2644         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2645         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2646         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2647         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2648         and m68k_matches_u_p.
2649         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2650         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2651         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2652         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2653         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2654         (REG_STRICT_P): New macro.
2655         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2656         PCREL_GENERAL_OPERAND_OK.
2657         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2658         m68k_legitimate_base_reg_p.
2659         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2660         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2661         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2662         * config/m68k/m68k.c (m68k_address): New structure.
2663         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2664         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2665         (m68k_jump_table_ref_p, m68k_decompose_address)
2666         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2667         (m68k_matches_u_p): New functions.
2668         (print_operand_address): Rewrite to use m68k_decompose_index.
2669
2670 2007-03-05  David Taylor  <dtaylor@emc.com>
2671
2672         * gcc.c: Correct copyright date in --version output.
2673
2674 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2675
2676         * pa.md: In unamed move patterns, disparge copies between general
2677         and floating point registers using '?' modifier.  Don't include 'f'
2678         constraint for register preferences in DImode, SImode, HImode and
2679         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2680         Remove constraints for copies between general and floating registers
2681         in soft-float DFmode pattern.
2682         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2683         floating register.
2684         (movsf): Likewise.
2685
2686 2007-03-05  Mike Stump  <mrs@apple.com>
2687
2688         * c-common.c (targetcm): Add.
2689         * c-opts.c (c_common_handle_option): Handle language specific
2690         target options.
2691         * opts.c (handle_option): Verify language for target options, if
2692         any are given.
2693         * opth-gen.awk: Add CL_LANG_ALL.
2694         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2695         (TARGETCM_INITIALIZER): Add.
2696         * target.h (struct gcc_targetcm): Add.
2697         (targetcm): Add.
2698         * targhooks.c (default_handle_c_option): Add.
2699         * targhooks.h (default_handle_c_option): Add.
2700         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2701
2702         * config/darwin.opt (iframework): Add.
2703         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2704         * config/darwin-c.c (handle_c_option): Add.
2705         (TARGET_HANDLE_C_OPTION): Add.
2706         (targetcm): Add.
2707         * doc/invoke.texi (Darwin Options): Add -iframework.
2708
2709 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2710
2711         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2712         conversion.
2713
2714 2007-03-05  Ian Lance Taylor  <iant@google.com>
2715
2716         * c.opt (fgnu89-inline): New option.
2717         * c-opts.c (c_common_post_options): Set default value for
2718         flag_gnu89_inline.
2719         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2720         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2721         inline functions.
2722         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2723         (grokdeclarator, start_function): Likewise.
2724         * c-cppbuiltin.c (c_cpp_builtins): Define either
2725         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2726         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2727         (C Dialect Options): Document -fgnu89-inline.
2728         * doc/extend.texi (Function Attributes): Explain what the
2729         gnu_inline attribute does.
2730         * doc/cpp.texi (Common Predefined Macros): Document
2731         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2732
2733 2007-03-05  Ian Lance Taylor  <iant@google.com>
2734
2735         PR tree-optimization/31034
2736         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2737         half-range if the other side is an overflow infinity.
2738
2739 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2740
2741         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2742         (bfin*-linux-uclibc*): New configuration.
2743         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2744         defining.
2745         * config/bfin/linux.h: New file.
2746         * config/bfin/libgcc-bfin.ver: New file.
2747         * config/bfin/t-bfin-uclinux: New file.
2748         * config/bfin/t-bfin-linux: New file.
2749         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2750         (TARGET_OS_CPP_BUILTINS): New macro.
2751
2752 2007-03-05  Richard Guenther  <rguenther@suse.de>
2753
2754         * fold-const.c (fold_binary): Remove duplicate folding
2755         of comparison of non-null ADDR_EXPR against null.
2756
2757 2007-03-05  Richard Guenther  <rguenther@suse.de>
2758             Dorit Nuzman  <dorit@il.ibm.com>
2759
2760         PR tree-optimization/26420
2761         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2762         are no loops in the function.  Only print the number of
2763         vectorized loops if it is greater than zero or we are supposed
2764         to print information about unvectorized loops.
2765
2766 2007-03-05  Revital Eres  <eres@il.ibm.com>
2767
2768         * gcc.dg/var-expand1.c: New test.
2769         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2770         when an accumulator is expanded.
2771
2772 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2773
2774         PR other/30465
2775         * c-common.c (convert_and_check): Don't give warnings for
2776         conversion if 'expr' already overflowed.
2777
2778 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2779
2780         PR middle-end/30744
2781         * fold-const.c (fold_comparison): Enforce type consistency when
2782         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2783
2784 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2785
2786         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2787         containing a cast to the base of TARGET_MEM_REF.
2788
2789 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2790
2791         * tree.c (tree_contains_struct_check_failed): Remove spurious
2792         whitespace from error message.
2793
2794 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2795
2796         PR target/30406
2797         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2798         instead of precision.
2799
2800 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2801             Nathan Sidwell  <nathan@codesourcery.com>
2802
2803         * emit-rtl.c (find_auto_inc): New.
2804         (try_split): recreate REG_INC notes,
2805         Use regular for loops rather than whiles.
2806
2807 2007-03-03  Andreas Schwab  <schwab@suse.de>
2808
2809         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2810         * configure: Regenerate.
2811
2812 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2813
2814         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2815         flag_rounding_math, not flag_unsafe_math_optimizations.
2816
2817         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2818         fold_build2.
2819         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2820         alpha_fold_vector_minmax): Likewise.
2821         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2822         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2823
2824 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2827         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2828         if the lhs has side-effects.
2829         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2830
2831 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2832
2833         * config/i386/i386.h (TUNEMASK): Remove define.
2834         (ARCHMASK): Remove define.
2835         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2836          Use ix86_arch_mask variable instead of ARCHMASK.
2837         * config/i386/i386.c (override_options): Ditto.
2838         (standard_80387_constant_p): Ditto.
2839
2840 2007-03-02  Ian Lance Taylor  <iant@google.com>
2841
2842         Used signed infinities in VRP.
2843         * tree-vrp.c (uses_overflow_infinity): New static function.
2844         (supports_overflow_infinity): New static function.
2845         (make_overflow_infinity): New static function.
2846         (negative_overflow_infinity): New static function.
2847         (positive_overflow_infinity): New static function.
2848         (is_negative_overflow_infinity): New static function.
2849         (is_positive_overflow_infinity): New static function.
2850         (is_overflow_infinity): New static function.
2851         (overflow_infinity_range_p): New static function.
2852         (compare_values_warnv): New function split out of compare_values.
2853         (compare_value): Call it.
2854         (set_value_range_to_nonnegative): Add overflow_infinity
2855         parameter.  Change caller.
2856         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2857         Change callers.
2858         (vrp_expr_computes_nonzero): Likewise.
2859         (compare_ranges, compare_range_with_value): Likewise.
2860         (compare_name_with_value, compare_names): Likewise.
2861         (vrp_evaluate_conditional): Likewise.
2862         (set_value_range): Handle infinity
2863         (vrp_operand_equal_p, operand_less_p): Likewise.
2864         (extract_range_from_assert): Likewise.
2865         (vrp_int_const_binop): Likewise.
2866         (extract_range_from_binary_expr): Likewise.
2867         (extract_range_from_unary_expr): Likewise.
2868         (extract_range_from_comparison): Likewise.
2869         (extract_range_from_expr): Likewise.
2870         (dump_value_range): Likewise.
2871         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2872         (test_for_singularity): Likewise.
2873         (vrp_int_const_binop): Remove inline qualifier.
2874         (adjust_range_with_scev): Add comment.
2875         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2876
2877 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2878
2879         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2880         (get_constraint_for): Likewise.
2881         (do_structure_copy): Likewise.
2882         (find_func_aliases): Fix references to MODIFY_EXPR.
2883         (intra_create_variable_infos): Tidy.
2884         * tree-ssa-operands.c (add_virtual_operand): Add argument
2885         IS_CALL_SITE.
2886         When adding members of alias sets, if IS_CALL_SITE is true and
2887         the symbol is not call-clobbered, skip it.
2888         Adjust all callers.
2889
2890 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2891
2892         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2893         entry by means of emit_insn_at_entry.
2894
2895 2007-03-02  Richard Henderson  <rth@redhat.com>
2896
2897         * expr.h (promoted_input_arg): Remove decl.
2898         * function.c (promoted_input_arg): Merge into ...
2899         * combine.c (setup_incoming_promotions): ... only caller.
2900         Rearrange to avoid double loop.
2901
2902 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2903             Peter Bergner  <bergner@vnet.ibm.com>
2904             Janis Johnson  <janis187@us.ibm.com>
2905
2906         * config/rs6000/dfp.md: New file.
2907         * config/rs6000/rs6000.md: Include dfp.md.
2908         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2909         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2910         and TDmode decimal float modes in FP registers.
2911         (num_insns_constant): Likewise.
2912         (rs6000_legitimate_offset_address_p): Likewise.
2913         (rs6000_legitimize_address): Likewise.
2914         (rs6000_legitimize_reload_address): Likewise.
2915         (rs6000_legitimate_address): Likewise.
2916         (rs6000_emit_move): Likewise.
2917         (function_arg_boundary): Likewise.
2918         (function_arg_advance): Likewise.
2919         (rs6000_darwin64_record_arg_recurse): Likewise.
2920         (function_arg): Likewise.
2921         (rs6000_gimplify_va_arg): Likewise.
2922         (rs6000_split_multireg_move): Likewise.
2923         (rs6000_output_function_epilogue): Likewise.
2924         (rs6000_output_function_epilogue): Likewise.
2925         (rs6000_register_move_cost): Likewise.
2926         (rs6000_function_value): Likewise.
2927         (rs6000_libcall_value): Likewise.
2928
2929 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2930
2931         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2932
2933 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2934
2935         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2936         Use $MULTIDIR to choose between the kernel and RTP headers,
2937         and use $WIND_BASE and $WIND_USR to locate them.
2938
2939 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2940
2941         * config/i386/i386.c (override_options): Put initialization of
2942         ix86_tune_mask and ix86_arch_mask to the correct place.
2943
2944 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2945             Michael Meissner  <michael.meissner@amd.com>
2946
2947         PR target/31019
2948         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2949         (ARCHMASK): Define.
2950         (TARGET_CMOVE): Use ARCHMASK.
2951         (TARGET_CMPXCHG): Ditto.
2952         (TARGET_CMPXCHG8B): Ditto.
2953         (TARGET_XADD): Ditto.
2954         (TARGET_BSWAP): Ditto.
2955         * config/i386/i386.c (ix86_tune_mask): New global variable.
2956         (ix86_arch_mask): Ditto.
2957         (override_options): Initialize ix86_tune_mask and
2958         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2959         target_flags.
2960
2961 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2962
2963         PR 30992
2964         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2965
2966 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2967
2968         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2969         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2970         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2971         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2972         hook.
2973         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2974         rs6000_init_dwarf_reg_sizes_extra): New.
2975         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2976         SPE register high parts.
2977
2978 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2979
2980         * Makefile.in: Add install-pdf target as
2981         copied from automake v1.10 rules.
2982         * configure.ac: Add install-pdf to target list.
2983         * configure: Regenerate.
2984
2985 2007-03-01  Paul Brook  <paul@codesourcery.com>
2986
2987         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2988         modes to LDRD for DImode.
2989         (output_move_double): Fixup out of range ldrd/strd.
2990         (vfp_secondary_reload_class): Rename...
2991         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2992         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2993         coproc_secondary_reload_class for CLASS_IWMMXT.
2994         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2995         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2996
2997 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2998
2999         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3000         factor by the estimated number of iterations.
3001         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3002         prefetch latency.
3003
3004         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3005         decode_caches_intel, detect_caches_intel): New functions.
3006         (host_detect_local_cpu): Use detect_caches_amd and
3007         detect_caches_intel.
3008
3009 2007-03-01  Richard Henderson  <rth@redhat.com>
3010
3011         * expr.c (emit_move_complex_push): Export.
3012         (emit_move_complex_parts): Split out from ...
3013         (emit_move_complex): ... here.
3014         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3015         * config/i386/i386.md (movcdi): New.
3016
3017 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3018
3019         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3020         size of mode1 to check for tieable modes in MMX case.
3021
3022 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3023
3024         * Makefile.in (rtlanal.o): Depend on tree.h.
3025         * rtl.h (offset_within_section_p, split_const): Declare.
3026         * rtlanal.c: Include tree.h.
3027         (offset_within_block_p): New function, taken from
3028         mips_offset_within_object_p.
3029         (split_const): New function, taken from mips_split_const.
3030         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3031         Declare.
3032         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3033         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3034         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3035         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3036         (m68k_illegitimate_symbolic_constant_p): New function.
3037         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3038         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3039         symbolic constant that might be outside the symbol's section,
3040         move the symbol first and then add the offset.
3041         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3042         Override.
3043         * config/mips/mips.c (mips_split_const): Delete.
3044         (mips_offset_within_object_p): Delete.
3045         (mips_symbolic_constant_p): Use offset_within_section_p and
3046         split_const instead of mips_offset_within_object_p and
3047         mips_split_const.
3048         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3049         (mips_legitimize_const_move, print_operand_reloc)
3050         (mips_dangerous_for_la25_p): Use split_const instead of
3051         mips_split_const.
3052
3053 2007-02-28  Eric Christopher  <echristo@apple.com>
3054
3055         * Makefile.in (install-include-dir): Don't rm -rf include.
3056
3057 2007-02-28  Richard Guenther  <rguenther@suse.de>
3058
3059         PR middle-end/30364
3060         * fold-const.c (fold_binary): Do not associate expressions
3061         with more than one variable for integer types that do not wrap.
3062
3063 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3064
3065         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3066         Delete, and replace with...
3067         (fold_builtin_call_array): This.  Update callers to use it.
3068         * fold-const.c (fold_build_call_list): Delete, and replace with...
3069         (fold_build_call_array): This.
3070         (fold_build_call_list_initializer): Delete, and replace with...
3071         (fold_build_call_array_initializer): This.
3072         * tree.h: Update declarations to reflect above changes.
3073
3074         * c-typeck.c (build_function_call): Store converted arguments
3075         in a stack-allocated array instead of building a list.
3076         (convert_arguments): Store arguments in the array passed in as an
3077         argument, and return the actual number of arguments.
3078         * c-format.c: (check_function_format): Pass arguments in an
3079         array instead of a list.
3080         * c-common.c (check_function_nonnull): Likewise.
3081         (check_function_sentinel): Likewise.
3082         (check_function_arguments): Likewise.
3083         * c-common.h: Update declarations to reflect above changes.
3084
3085 2007-02-28  Jan Hubicka  <jh@suse.cz>
3086
3087         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3088         PRED_NEGATIVE_RETURN): Update outcomes.
3089
3090 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3091
3092         * calls.c (emit_library_call_value_1): Handle partial registers
3093         correctly when building up CALL_INSN_FUNCTION_USAGE.
3094
3095 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3096
3097         * pa/predicates.md (move_src_operand): Allow zero for mode.
3098         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3099         move pattern.
3100
3101 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3102
3103         PR target/30970
3104         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3105         *movv2df_internal): Enable pattern only for valid operand
3106         combinations.
3107         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3108         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3109
3110 2007-02-27  Mike Stump  <mrs@apple.com>
3111
3112         * config/darwin-crt3.c: Avoid compilation when compiling for a
3113         kext multilib.
3114
3115 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3116
3117         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3118         FIXED_INCLUDE_DIR.
3119         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3120         for fixed headers and limits.h.
3121         (install-include-dir, install-headers-tar, install-headers-cpio,
3122         install-headers-cp, real-install-headers-tar,
3123         real-install-headers-cpio, real-install-headers-cp): Handle
3124         include-fixed as well as include.
3125         (install-mkheaders): Don't install files that go only in include
3126         not include-fixed.
3127         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3128         from GCC_INCLUDE_DIR.
3129         * gcc.c (process_command): Remove special -BstageN/ handling.
3130         (do_spec_1): Add include-fixed directories.
3131
3132 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3133
3134         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3135         _smulsi3_highpart.
3136         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3137         New functions.
3138         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3139         patterns.
3140
3141 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3142
3143         * c-common.c (get_priority): Add check for
3144         SUPPORTS_INIT_PRIORITY.
3145
3146 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3147
3148         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3149
3150         * config/bfin/bfin.c: Include "cfglayout.h".
3151         (MAX_LSETUP_DISTANCE): New macro.
3152         (struct loop_info): New members incoming, incoming_src and
3153         incoming_dest.  Delete member predecessor.
3154         (length_for_loop): New function.
3155         (bfin_optimize_loop): Handle more different loop structures.
3156         (bfin_discover_loop): Rework detection of predecessor blocks by
3157         examining incoming edges.
3158         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3159         bfin_reorg_loops.
3160         (bfin_reorder_loops): New function.
3161         (bfin_reorg_loops): Use these three new functions.
3162
3163         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3164         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3165         (CONSTRAINT_LEN): Add entry for 'q'.
3166         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3167         Add 'q' constraints.
3168         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3169         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3170
3171         * config/bfin/bfin.md (add_with_carry): New pattern.
3172         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3173         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3174         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3175         support unsigned multiplies too.  Removed incorrect commutativity from
3176         operand 1 constraint where appropriate.
3177         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3178         patterns.
3179         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3180         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3181         New patterns.
3182         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3183         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3184         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3185         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3186         usmulhisi_hh_huh): New patterns.
3187
3188         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3189         lshifthi3): Fix output template to use half reg for operand 2.
3190
3191         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3192         instead of R2.
3193
3194         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3195
3196 2007-02-27  Andreas Schwab  <schwab@suse.de>
3197
3198         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3199
3200 2007-02-27  Jan Hubicka  <jh@suse.cz>
3201
3202         * predict.c (last_basic_block_p): Remove.
3203         (tree_estimate_probability): Update return heuristic for commonized
3204         return blocks.
3205
3206 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3207
3208         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3209
3210 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3211
3212         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3213         * doc/cpp.texi: Standardize title page.
3214         * doc/cppinternals.texi: Likewise.
3215         * doc/gcc.texi: Standardize title page, remove version number
3216         from copyright page.
3217         * doc/gccint.texi: Likewise.
3218         * doc/install.texi: Standardize title page, add table of
3219         contents.
3220
3221 2007-02-26  Jan Hubicka  <jh@suse.cz>
3222
3223         * predict.def: Set outcomes according to more recent results.
3224         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3225         Remove dead predictors.
3226         * predict.c (return_prediction): Fix pasto.
3227
3228 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3229
3230         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3231         change; avoid a memory leak when returning early.
3232
3233 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3234
3235         * c-decl.c (static_ctors): Move to c-common.c.
3236         (static_dtors): Likewise.
3237         (finish_function): Use c_record_cdtor_fn.
3238         (build_cdtor): Move to c-common.c.
3239         (c_write_global_declarations): Use c_build_cdtor_fns.
3240         * c-common.h (static_ctors): Declare.
3241         (static_dtors): Likewise.
3242         (c_record_cdtor_fn): Likewise.
3243         (c_build_cdtor_fns): Likewise.
3244         * c-common.c (static_ctors): New variable.
3245         (static_dtors): Likewise.
3246         (c_record_cdtor_fn): New function.
3247         (build_cdtor): Move from c-decl.c
3248         (c_build_cdtor_fns): New function.
3249
3250         * output.h (assemble_addr_to_section): Declare.
3251         (get_cdtor_priority_section): Likewise.
3252         * varasm.c (assemble_addr_to_section): New function.
3253         (get_cdtor_priority_section): Likewise.
3254         (default_named_section_asm_out_destructor): Use them.
3255         (destor_dtor_section_asm_out_destructor): Likewise.
3256         (default_named_section_asm_out_constructor): Likewise.
3257         (default_ctor_section_asm_out_constructor): Likewise.
3258         * config.gcc (*-*-vxworks*): Include vxworks.o.
3259         * config/t-vxworks (vxworks.o): New target.
3260         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3261         (TARGET_ASM_CONSTRUCTOR): Define.
3262         (TARGET_ASM_DESTRUCTOR): Likewise.
3263         (vxworks_asm_out_constructor): Declare.
3264         (vxworks_asm_out_destructor): Likewise.
3265
3266         * c-common.c (get_priority): Check that we have not just an
3267         INTEGER_CST, but an integer constant with integeral type.
3268
3269 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3270
3271         PR tree-optimization/30938
3272         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3273         use &dt[nargs-1] instead of &dt[nargs] in the call to
3274         vect_is_simple_use().
3275
3276 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3277
3278         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3279         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3280         Do not attempt to handle MEM inside auto-inc expressions.
3281         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3282         of a register modified by an auto-inc expression.  However, do handle
3283         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3284         (elimination_effects): Prohibit elimination of a register modified
3285         by an auto-inc expression.  Disable register elimination rules whose
3286         target register is modified by an auto-inc expression with variable
3287         increment.
3288
3289 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3290
3291         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3292         off-by-one error.
3293         (array_at_struct_end_p): New function.
3294         (idx_infer_loop_bounds): Use it.
3295         (estimate_numbers_of_iterations_loop): Export.
3296         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3297         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3298         (tree_estimate_probability): Call record_loop_exits.
3299         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3300         (estimated_loop_iterations, estimated_loop_iterations_int,
3301         estimated_loop_iterations_tree): New functions.
3302         (analyze_siv_subscript_cst_affine,
3303         compute_overlap_steps_for_affine_1_2,
3304         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3305         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3306         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3307         (PRED_LOOP_ITERATIONS_GUESSED): New.
3308         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3309         * cfgloop.h (estimate_numbers_of_iterations_loop,
3310         estimated_loop_iterations_int): Declare.
3311
3312 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3313
3314         * doc/extend.texi: Document optional priority argument to
3315         constructors and destructors.
3316         * tree.c (init_priority_for_decl): Adjust GTY markers.
3317         (init_ttree): Use priority-info hash functions for
3318         init_priority_for_decl.
3319         (tree_map_eq): Rename to ...
3320         (tree_map_base_eq): ... this.
3321         (tree_map_marked_p): Rename to ...
3322         (tree_map_base_marked_p): ... this.
3323         (tree_map_base_hash): New function.
3324         (decl_init_priority_lookup): Rework.
3325         (decl_fini_priority_lookup): New function.
3326         (decl_priority_info): New function.
3327         (decl_init_priority_insert): Use it.
3328         (decl_fini_priority_insert): Likewise.
3329         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3330         hierarchy.
3331         (decl_restrict_base_insert): Likewise.
3332         (decl_debug_expr_insert): Likewise.
3333         (decl_value_expr_lookup): Likewise.
3334         (decl_value_expr_insert): Likewise.
3335         * tree.h (priority_type): New type.
3336         (decl_init_priority_lookup): Use priority_type.
3337         (decl_fini_priority_lookup): New function.
3338         (decl_init_priority_insert): Use priority_type.
3339         (decl_fini_priority_insert): New function.
3340         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3341         (DECL_INIT_PRIORITY): Likewise.
3342         (SET_DECL_INIT_PRIORITY): Add comment.
3343         (DECL_FINI_PRIORITY): New macro.
3344         (SET_DECL_FINI_PRIORITY): Likewise.
3345         (DEFAULT_INIT_PRIORITY): Document.
3346         (MAX_INIT_PRIORITY): Likewise.
3347         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3348         (tree_map_base): New type.
3349         (tree_map_base_eq): New function.
3350         (tree_map_base_hash): Likewise.
3351         (tree_map_base_marked_p): Likewise.
3352         (tree_map): Inherit from tree_map_base.
3353         (tree_map_eq): Make it a macro.
3354         (tree_map_marked_p): Likewise.
3355         (tree_int_map): Inherit from tree_map_base.
3356         (tree_int_map_eq): Make it a macro.
3357         (tree_int_map_hash): Likewise.
3358         (tree_int_map_marked_p): Likewise.
3359         (tree_priority_map): New type.
3360         (tree_priority_map_eq): New macro.
3361         (tree_priority_map_hash): Likewise.
3362         (tree_priority_map_marked_p): Likewise.
3363         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3364         hierarchy.
3365         (emutls_common_1): Likewise.
3366         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3367         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3368         of tree_map hierarchy.
3369         * tree-cfg.c (move_stmt_r): Likewise.
3370         (new_label_mapper): Likewise.
3371         * c-tree.h (c_expand_body): Move to ...
3372         * c-common.h (c_expand_body): ... here.
3373         * c-decl.c (c_expand_body): Move to ...
3374         * c-common.c (c_expand_body): ... here.
3375         (c_common_attribute_table): Allow 1 argument for the constructor
3376         and destructor attributes.
3377         (get_priority): New function.
3378         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3379         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3380
3381 2007-02-24  Jan Hubicka  <jh@suse.cz>
3382
3383         PR middle-end/30509
3384         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3385
3386 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3387             Jan Hubicka  <jh@suse.cz>
3388
3389         PR target/30778
3390         * i386.c (counter_mode): New function.
3391         (expand_set_or_movmem_via_loop): Use it.
3392         (expand_movmem_epilogue): Likewise; fix pasto.
3393         (ix86_expand_movmem): Do emit guard even for constant counts.
3394         (ix86_expand_setmem): Likewise.
3395
3396 2007-02-25  Nick Clifton  <nickc@redhat.com>
3397
3398         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3399         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3400
3401 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3402
3403         PR target/30770
3404         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3405         count argument with 0x10, not with 0x16.
3406         (expand_setmem_epilogue): Ditto.
3407
3408 2007-02-24  Mike Stump  <mrs@apple.com>
3409
3410         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3411         symbols.
3412
3413 2007-02-24  Richard Guenther  <rguenther@suse.de>
3414
3415         PR middle-end/30951
3416         * fold-const.c (fold_binary): Fold x +- CST op x for
3417         EQ_EXPR and NE_EXPR.
3418
3419 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3420
3421         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3422
3423 2007-02-24  Jan Hubicka  <jh@suse.cz>
3424
3425         * cgraphunit.c (decide_is_function_needed): Honor
3426         -fkeep-inline-functions.
3427
3428 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3429
3430         * builtins.c (fold_builtin_modf): New.
3431         (fold_builtin_2): Use it.
3432
3433 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3434
3435         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3436         (determine_max_iter): Take additional LOOP arg; all callers changed.
3437         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3438         one using simplifications.
3439         (simplify_using_initial_values): Return if the expression becomes
3440         invalid due to altered regs.
3441
3442 2007-02-23  DJ Delorie  <dj@redhat.com>
3443
3444         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3445
3446 2007-02-23  Mike Stump  <mrs@apple.com>
3447
3448         * tlink.c (scan_linker_output): Parse linker messages from
3449         darwin9's linker better.
3450
3451 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3452
3453         PR debug/29614
3454         * varpool.c (varpool_assemble_pending_decls):  Set
3455         varpool_last_needed_node to null.
3456
3457 2007-02-23  DJ Delorie  <dj@redhat.com>
3458
3459         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3460         alignment bigger than the object file can handle.
3461
3462 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3463
3464         PR target/30825
3465         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3466         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3467         (*movsf_1): Penalize MMX moves.
3468
3469 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3470
3471         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3472         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3473
3474         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3475
3476 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3477
3478         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3479         (fold_builtin_1): Use them.
3480         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3481         BUILT_IN_SIGNIFICAND.
3482
3483 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3484
3485         * config/i386/i386.c (bdesc_1arg): Initialize
3486         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3487         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3488         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3489         and IX86_BUILTIN_MOVSLDUP.
3490
3491 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3492
3493         PR rtl-optimization/30841
3494         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3495
3496 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3497
3498         * builtins.c (fold_builtin_frexp): New.
3499         (fold_builtin_2): Use it.
3500
3501 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3502
3503         * doc/invoke.texi (Spec Files): Document getenv spec function.
3504
3505         * gcc.c (getenv_spec_function): New function.
3506         (static_spec_functions): Add it.
3507         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3508         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3509         header files.
3510
3511 2007-02-22  Michael Matz  <matz@suse.de
3512
3513         PR c++/29433
3514         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3515         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3516
3517 2007-02-22  Ian Lance Taylor  <iant@google.com>
3518
3519         PR debug/30898
3520         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3521         (mem_loc_descriptor): Call it.
3522
3523 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3524             Ira Rosen  <irar@il.ibm.com>
3525
3526         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3527
3528 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3529
3530         PR tree-optimization/30843
3531         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3532         stores only after all the group is vectorized.
3533
3534 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3535
3536         PR tree-optimization/30858
3537         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3538         in the reduction cycle have a single use in the loop.
3539         * tree-vectorizer.h (relevant): Add documentation.
3540
3541 2007-02-20  Mike Stump  <mrs@apple.com>
3542
3543         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3544         * configure: Regenerate.
3545
3546 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3547
3548         Change the defaults of some parameters and options.
3549         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3550         * config/spu/spu.c (spu_optimization_options): Add.
3551         (spu_override_options): Change params in spu_optimization_options.
3552         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3553
3554         Register 127 is only 16 byte aligned when used as a frame pointer.
3555         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3556         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3557         HARD_FRAME_POINTER_REGNUM.
3558         (spu_legitimate_address):  Use regno_aligned_for_reload.
3559         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3560         aligned when frame_pointer_needed is true.
3561         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3562         to 8 bits.
3563         * config/spu/spu.h (INIT_EXPANDERS): Define.
3564
3565         Make sure shift and rotate instructions have valid immediate operands.
3566         * config/spu/predicates.md (spu_shift_operand): Remove.
3567         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3568         * config/spu/constraints.md (W, O): Extend range.
3569         * config/spu/spu.md (umask, nmask): Define.
3570         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3571         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3572         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3573         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3574         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3575         (lshr<mode>3_reg):  Fix rtl description.
3576
3577         Make sure mulhisi immediate operands are valid.
3578         * config/spu/predicates.md (imm_K_operand): Add.
3579         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3580
3581         Generate constants using fsmbi and andi.
3582         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3583         (print_operand, spu_split_immediate, classify_immediate,
3584         fsmbi_const_p): Handle IC_FSMBI2.
3585
3586         Correctly handle a CONST_VECTOR containing symbols.
3587         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3588         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3589         (immediate_load_p): Allow symbols that use 2 instructions to create.
3590         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3591         with symbols when flag_pic is set.
3592         (const_vector_immediate_p): New.
3593         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3594         accept a CONST_VECTOR with symbols.
3595         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3596         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3597         correctly.
3598         * config/spu/spu.md (high, low): Delete.
3599         (low_<mode>): Define.
3600
3601         Remove INTRmode and INTR_REGNUM, which didn't work.
3602         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3603         of INTR_REGNUM.
3604         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3605         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3606         peephole2 pattern): Don't use INTR or 131.
3607         (movintrcc): Delete.
3608         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3609         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3610         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3611         (UNSPEC_SET_INTR): Add.
3612         * config/spu/spu-modes.def (INTR): Remove.
3613
3614         More accurate warnings about run-time relocations.
3615         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3616
3617         Correctly warn about immediate arguments to specific intrinsics.
3618         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3619         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3620         the instruction predicate.
3621
3622         Fix tree check errors with latest update.
3623         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3624         CALL_EXPR_ARG.
3625         (spu_expand_builtin): Use CALL_EXPR_FN.
3626
3627         Add missing specific intrinsics.
3628         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3629         si_bislede.
3630         * config/spu/spu_internals.h: Ditto.
3631
3632         Fix incorrect operand modifiers.
3633         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3634         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3635
3636         Optimize one case of zero_extend of a vec_select.
3637         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3638
3639         Accept any immediate for hbr.
3640         * config/spu/spu.md (hbr):  Change s constraints to i.
3641
3642 2007-02-21  Paul Brook  <paul@codesourcery.com>
3643
3644         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3645         condexec_count when skipping USE and CLOBBER.
3646
3647 2007-02-21  Nick Clifton  <nickc@redhat.com>
3648
3649         * common.opt (Warray-bounds): Add Warning attribute.
3650         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3651         Likewise.
3652         (fsized-zeroes): Add Optimization attribute.
3653         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3654         * c.opt (Wc++0x-compat): Add Warning attribute.
3655
3656 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3657
3658         PR middle-end/30761
3659         * reload1.c (eliminate_regs_in_insn): In the single_set special
3660         case, attempt to re-recognize the insn before falling back to
3661         having reload fix it up.
3662
3663 2007-02-20  Eric Christopher  <echristo@gmail.com>
3664
3665         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3666         Rewrite accordingly.
3667         (frv_read_iacc_argument): Ditto.
3668         (frv_expand_set_builtin): Take a call instead of arglist, update for
3669         above changes.
3670         (frv_expand_unop_builtin): Ditto.
3671         (frv_expand_binop_builtin): Ditto.
3672         (frv_expand_cut_builtin): Ditto.
3673         (frv_expand_binopimm_builtin): Ditto.
3674         (frv_expand_voidbinop_builtin): Ditto.
3675         (frv_expand_int_void2arg): Ditto.
3676         (frv_expand_prefetches): Ditto.
3677         (frv_expand_voidtriop_builtin): Ditto.
3678         (frv_expand_voidaccop_builtin): Ditto.
3679         (frv_expand_load_builtin): Ditto.
3680         (frv_expand_store_builtin): Ditto.
3681         (frv_expand_mdpackh_builtin): Ditto.
3682         (frv_expand_mclracc_builtin): Ditto.
3683         (frv_expand_mrdacc_builtin): Ditto.
3684         (frv_expand_mwtacc_builtin): Ditto.
3685         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3686         calls for above.
3687
3688 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3689
3690         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3691         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3692         cmpb instruction.
3693         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3694         point instructions.
3695         * configure: Regenerate.
3696         * config.in: Regenerate.
3697         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3698         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3699         masks to power6 and power6x and to POWERPC_MASKS.
3700         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3701         _ARCH_PWR6.
3702         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3703         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3704         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3705         Access PROTOTYPE as variable, not mask.
3706
3707 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3708
3709         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3710         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3711         * combine.c (adjust_for_new_dest): Use it.
3712         * postreload.c (reload_combine): Likewise.
3713
3714 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3715
3716         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3717         notes on an insn with multiple sets, even if single_set returns
3718         non-NULL for that insn.
3719
3720 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3721
3722         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3723         scalbn and scalbln.
3724
3725 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3726
3727         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3728         if user didn't pass it.
3729         * config/i386/darwin.h (CC1_SPEC): Likewise.
3730         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3731         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3732         -mmacosx-version-min.
3733
3734 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3735             Uros Bizjak  <ubizjak@gmail.com>
3736
3737         * optabs.h (enum optab_index): Add new OTI_scalb.
3738         (scalb_optab): Define corresponding macro.
3739         * optabs.c (init_optabs): Initialize scalb_optab.
3740         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3741         patterns.
3742         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3743         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3744         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3745         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3746         flag_unsafe_math_optimizations is set.
3747
3748         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3749         to implement scalbf, scalb and scalbl built-ins as inline x87
3750         intrinsics.
3751
3752 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3753             DJ Delorie <dj@redhat.com>
3754
3755         PR other/30824
3756         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3757         (diagnostic_report_diagnostic): ... here, and turn them into real
3758         errors. If warnings are inhibited, no need to do anything.
3759
3760 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3761
3762         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3763         better code generation.
3764
3765 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3766
3767         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3768
3769 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3770
3771         * config/alpha/alpha.c, config/alpha/alpha.md,
3772         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3773         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3774         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3775         config/arm/lib1funcs.asm: Follow spelling conventions.
3776
3777         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3778         config/fr30/fr30.md, config/i386/i386.h,
3779         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3780         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3781         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3782         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3783         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3784         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3785         config/sparc/sparc.c, config/sparc/sparc.h,
3786         config/sparc/sparc.md, config/spu/constraints.md,
3787         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3788         conventions.
3789
3790 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3791
3792         PR target/29943
3793         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3794         alias attribute.
3795
3796 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3797
3798         * doc/invoke.texi (-ftree-lrs): Remove.
3799
3800 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3801
3802         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3803         NULL.
3804
3805 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3806
3807         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3808         new CALL_EXPR_FN macro for retrieving the function
3809         declaration of the input expression.
3810
3811 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3812
3813         * c.opt (Waddress): New.
3814         * common.opt (Walways-true): Delete.
3815         (Wstring-literal-comparison): Delete.
3816         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3817         -Wstring-literal-comparison. Add -Waddress.
3818         (Waddress): New.
3819         (Walways-true): Delete.
3820         (Wstring-literal-comparison): Delete.
3821         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3822         consistently instead of -Walways-true in example.
3823         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3824         * c-typeck.c (parser_build_binary_op): Replace
3825         -Wstring-literal-comparison and -Walways-true with -Waddress.
3826         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3827         with -Waddress.
3828
3829 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3830
3831         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3832         without DECL_STRUCT_FUNCTION initialized.
3833
3834 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3835
3836         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3837         due to calls to functions taking pointers as parameters.
3838
3839 2007-02-19  Richard Henderson  <rth@redhat.com>
3840
3841         PR debug/29558
3842         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3843         in memory.
3844
3845 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3846
3847         * config/s390/s390.c (s390_call_saved_register_used,
3848         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3849         accessed to the new scheme.
3850
3851 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3852
3853         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3854         (cris_print_index, cris_print_operand, cris_print_operand_address)
3855         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3856         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3857         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3858         GET_CODE () == xxx.
3859         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3860         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3861         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3862         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3863         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3864         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3865         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3866         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3867         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3868         (uminsi3, call, call_value): Ditto.
3869         (define_split: indir_to_reg_split, unnamed): Ditto.
3870
3871 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3872
3873         PR tree-optimization/30975
3874         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3875         wrong assert.
3876
3877 2007-02-18  Eric Christopher  <echristo@gmail.com>
3878
3879         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3880         Remove use of arglist.
3881         (mips_expand_builtin): Remove use of arglist, pass in expr.
3882         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3883         (mips_expand_builtin_movtf): Ditto.
3884         (mips_expand_builtin_compare): Ditto.
3885
3886 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3887
3888         * tree-sra.c (sra_build_assignment): Replace assertion
3889         checking with a comment explaining why it can't be done.
3890
3891 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3892
3893         PR middle-end/30833
3894         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3895         during CALL_EXPR representation conversion.
3896         * tree-ssa-propagate.c (set_rhs): Likewise.
3897
3898 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3899
3900         * tree-sra.c (sra_build_assignment): Disable assertion checking
3901         for now.
3902
3903 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3904
3905         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3906         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3907         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3908         Likewise.
3909         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3910         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3911         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3912         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3913         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3914         force_gimple_operand): Likewise.
3915         * ipa-cp.c (constant_val_insert): Likewise.
3916         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3917         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3918         perfect_nestify): Likewise.
3919         * langhooks.c (lhd_omp_assignment): Likewise.
3920         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3921         lower_copyprivate_clauses, lower_send_clauses,
3922         lower_send_shared_vars, expand_parallel_call,
3923         expand_omp_for_generic, expand_omp_for_static_nochunk,
3924         expand_omp_for_static_chunk, expand_omp_sections,
3925         lower_omp_single_copy, lower_omp_for_lastprivate,
3926         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3927         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3928         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3929         Likewise.
3930
3931 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3932
3933         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3934         config/sh/sh.md: Follow spelling conventions.
3935
3936         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3937         config/frv/predicates.md: Follow spelling conventions.
3938
3939         * config/m68k/linux-unwind.h: Fix a comment typo.
3940         * target.h: Follow spelling conventions.
3941
3942 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3943
3944         PR rtl-optimization/28173
3945         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3946         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3947         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3948         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3949         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3950
3951 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3952
3953         * builtins.c (fold_builtin_load_exponent): New.
3954         (fold_builtin_2): Use it.
3955
3956 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3957
3958         PR rtl-optimization/30773
3959         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3960         if we fail to attach a REG_EQUIV note.
3961
3962 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3963             Roger Sayle  <roger@eyesopen.com>
3964
3965         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3966
3967 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3968
3969         * calls.c (initialize_argument_information): Pass original EXP
3970         and STRUCT_VALUE_ADDR_VALUE instead of a li