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2007-04-02 Dave Korn <dave.korn@artimi.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2
3         * doc/tm.texi (FUNCTION_MODE):  Update and extend documentation.
4         
5 2007-04-02  Dave Korn  <dave.korn@artimi.com>
6
7         * libgcc2.h (exception_descriptor):  Don't forward-declare.
8         (__get_eh_table_language, __get_eh_table_version):  Delete
9         prototypes of long-dead functions.
10
11 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
12
13         * ebitmap.h: New file
14         * ebitmap.c: New file
15         * Makefile.in (ebitmap.o): New target.
16
17 2007-04-01  Jan Hubicka  <jh@suse.cz>
18
19         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
20         before very first instruction.
21
22 2007-04-01  Jan Hubicka  <jh@suse.cz>
23
24         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
25         waring on 64bit hosts.
26         * bitmap.h: Fix typo in bitmap_head_def.
27
28 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
29
30         PR rtl-optimization/31391
31         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
32         into a DELETED_LABEL note, and the label is in an empty basic
33         block, update BB_END as well as BB_HEAD.
34
35 2007-04-01  Richard Henderson  <rth@redhat.com>
36
37         PR tree-optimization/31169
38         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
39         to varying if the range is outside [0,  prec-1].
40
41 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
42
43         PR target/31388
44         * config/mips/mips.md (load_const_gp): New insn.
45         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
46         the MIPS16 GP pseudo register if no_new_pseudos.
47         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
48
49 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
50
51         PR target/31364
52         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
53         secureplt.
54         (call_value): Likewise.
55
56 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
57             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
58
59         PR 14737
60         * doc/invoke.texi: (optimization options): Reword description
61         of -ffast-math. Document its primary purpose.
62         
63 2007-03-31  Richard Guenther  <rguenther@suse.de>
64
65         * omp-low.c (splay-tree.h): Include.
66         (lookup_decl): Replace splay-tree usage by pointer-map.
67         (maybe_lookup_decl): Likewise.
68         (new_omp_context): Likewise.
69         (delete_omp_context): Likewise.
70         * gimplify.c (splay-tree.h): Include.
71         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
72         pointer-map.
73         (remap_ssa_name): Likewise.
74         (remap_decl): Likewise.
75         (remap_type_1): Likewise.
76         (remap_type): Likewise.
77         (copy_body_r): Likewise.
78         (expand_call_inline): Likewise.
79         (clone_body): Likewise.
80         (copy_tree_r): Likewise.
81         (remap_save_expr): Likewise.
82         (unsave_r): Likewise.
83         (unsave_expr_now): Likewise.
84         (tree_function_versioning): Likewise.
85         (build_duplicate_type): Likewise.
86         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
87         (struct copy_body_data): Replace splay-tree by pointer-map.
88         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
89         not $(SPLAY_TREE_H).
90         (gimplify.o): Depend on $(SPLAY_TREE_H).
91         (omp-low.p): Likewise.
92
93 2007-03-31  Anatoly Sokolov <aesok@post.ru>
94
95         * config/avr/predicates.md (even_register_operand, 
96         odd_register_operand): New predicates.
97         * config/avr/avr.md (movw peephole2): New.
98         (movw_r peephole2): New.
99
100 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
101
102         * tree.h (get_signed_or_unsigned_type): New.
103         * fold-const.c (operand_equal_for_comparison_p): Use
104         get_signed_or_unsigned_type instead of
105         lang_hooks.types.signed_or_unsigned_type.
106         * expr.c (store_expr): Ditto.
107         * langhooks.c (get_signed_or_unsigned_type): New.
108         (lhd_signed_or_unsigned_type): New.
109         * langhooks.h (lhd_signed_or_unsigned_type): New.
110         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
111
112 2007-03-30  Richard Henderson  <rth@redhat.com>
113
114         * tree-ssa-loop-ivopts.c: Include target.h.
115         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
116         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
117         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
118         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
119
120 2007-03-30  Richard Henderson  <rth@redhat.com>
121             Kai Tietz  <kai.tietz@onevision.com>
122
123         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
124         default for 64-bit.
125         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
126         (TARGET_64BIT_MS_ABI): New.
127         (DBX_REGISTER_NUMBER): Handle 64-bit.
128         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
129         (LONG_TYPE_SIZE): Force to 32.
130         (REG_PARM_STACK_SPACE): New.
131         (OUTGOING_REG_PARM_STACK_SPACE): New.
132         (REGPARM_MAX, SSE_REGPARM_MAX): New.
133         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
134         (STACK_BOUNDARY): Use 128 for 64-bit.
135         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
136         Add 64-bit implementation.
137         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
138         argument unused.
139         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
140         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
141         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
142         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
143         (ix86_handle_cconv_attribute): Don't warn when ignoring if
144         TARGET_64BIT_MS_ABI.
145         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
146         (ix86_pass_by_reference): Likewise.
147         (ix86_function_value_regno_p): Likewise.
148         (ix86_build_builtin_va_list): Likewise.
149         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
150         (function_arg_advance_ms_64): New.
151         (function_arg_advance): Call it.
152         (function_arg_ms_64): New.
153         (function_arg): Call it.
154         (function_value_ms_64): New.
155         (ix86_function_value_1): Call it.
156         (return_in_memory_ms_64): New.
157         (ix86_return_in_memory): Call it.
158         (setup_incoming_varargs_ms_64): New.
159         (ix86_setup_incoming_varargs): Call it.
160         (ix86_expand_prologue): Handle 64-bit stack probing.
161         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
162         (output_pic_addr_const): Likewise.
163         (x86_this_parameter): Likewise.
164         (x86_output_mi_thunk): Likewise.
165         (x86_function_profiler): Likewise.
166         (TARGET_STRICT_ARGUMENT_NAMING): New.
167         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
168         (TARGET_64BIT_MS_ABI): New.
169         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
170         * config/i386/i386.md (allocate_stack_worker): Remove.
171         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
172         describe the clobber of eax without a match_scratch.
173         (allocate_stack_worker_postreload): Remove.
174         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
175         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
176         (allocate_stack_worker_rex64_postreload): Remove.
177         (allocate_stack): Handle 64-bit.
178         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
179         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
180         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
181         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
182         (STANDARD_STARTFILE_PREFIX_1): Likewise.
183         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
184         * config.build (x86_64-*-mingw*): New host.
185         * config.host (x86_64-*-mingw*): New host.
186         * config.gcc (x86_64-*-mingw*): New target.
187         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
188
189 2007-03-30  Richard Henderson  <rth@redhat.com>
190             Kai Tietz  <kai.tietz@onevision.com>
191
192         * c-pragma.c (struct def_pragma_macro_value): New.
193         (struct def_pragma_macro): New.
194         (pushed_macro_table): New.
195         (dpm_hash, dpm_eq): New.
196         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
197         (init_pragma): Install them.
198         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
199
200 2007-03-30  Anatoly Sokolov <aesok@post.ru>
201
202         * config/avr/avr.c (avr_override_options): Clear 
203         'flag_delete_null_pointer_checks'.
204
205 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
206
207         PR c++/26099
208         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
209         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
210         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
211         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
212         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
213         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
214         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
215         C++ extensions.
216         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
217
218 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
219
220         * regmove.c: Move all of pass_stack_adjustments from here...
221         * combine-stack-adj.c: ...to this new file.
222         * Makefile.in: Add rules for combine-stack-adj.o.
223
224 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
225
226         PR tree-optimization/31383
227         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
228         to have the same length.
229
230 2007-03-30  Jan Hubicka  <jh@suse.cz>
231
232         PR middle-end/PR30700
233         * dwarf2out.c (reference_to_unused): Ask cgraph for functions 
234         availablility; add more sanity checking; ask varpool only about
235         VAR_DECL.
236
237 2007-03-29  Richard Henderson  <rth@redhat.com>
238
239         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
240         to decide, but __SIZEOF_LONG_LONG__.
241
242 2007-03-29  Richard Henderson  <rth@redhat.com>
243
244         * emutls.c (struct __emutls_array): New.
245         (emutls_destroy): Use it instead of casting element 0 from void*.
246         (__emutls_get_address): Likewise.
247
248 2007-03-29  Richard Henderson  <rth@redhat.com>
249
250         * varasm.c (initializer_constant_valid_p): Don't deny
251         DECL_DLLIMPORT_P on functions.
252
253         * config/i386/cygming.h: Remove function declarations.
254         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
255         (ASM_OUTPUT_LABELREF): Remove.
256         (COMMON_ASM_OP): Remove.
257         (ASM_OUTPUT_COMMON): Remove.
258         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
259         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
260         (ASM_DECLARE_FUNCTION_NAME): Likewise.
261         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
262         Rename from TARGET_ENCODE_SECTION_INFO.
263         * config/i386/netware.h: Likewise.
264         * config/i386/i386-protos.h: Update.
265         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
266         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
267         (legitimate_constant_p): Reject dllimports.
268         (dllimport_map, get_dllimport_decl): New.
269         (legitimize_dllimport_symbol): New.
270         (legitimize_address, ix86_expand_move): Use it.
271         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
272         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
273         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
274         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
275         * config/i386/predicates.md (constant_call_address_operand): Only
276         accept symbols; reject dllimport_p symbols.
277         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
278         i386_pe_maybe_record_exported_symbol.
279         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
280         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
281         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
282         trust the setting of DECL_DLLIMPORT_P.
283         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
284         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
285         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
286         tidy the argument scanning loop.
287         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
288         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
289         (i386_pe_strip_name_encoding): Remove.
290         (i386_pe_binds_local_p): New.
291         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
292         (i386_pe_output_labelref): Remove.
293         (i386_pe_asm_output_aligned_decl_common): New.
294         (i386_pe_maybe_record_exported_symbol): Rename from
295         i386_pe_record_exported_symbol; check for dllexported symbols.
296
297 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
298
299         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
300         add comment explaining why vsnprintf cannot be used.
301
302 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
303
304         PR tree-optimization/30666
305         * tree.c (build_complex_type): When creating type names for DWARF2
306         debug info, create TYPE_DECLs for TYPE_NAME instead of
307         IDENTIFIER_NODEs.
308         (build_common_tree_nodes_2): Use build_complex_type when building
309         predefined complex types, to preserve canonical types.
310
311 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
312
313         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
314         (noce_get_alt_condition): Look at it to determine whether to
315         reverse the condition or not.
316         (noce_get_condition): Substitute the truth for lies.
317         (noce_find_if_block): Set the then_else_reversed field.
318
319 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
320
321         * config/fr30/fr30.md (movdi): Do not accept immediates as the
322         destination of this insn.
323         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
324         than calling gen_rtx_SET directly.  Use r0 to hold the value of
325         'address + 4' rather than a stack based temporary which can be
326         mis-optimized away.
327         
328 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
329
330         * config/s390/s390.c (s390_secondary_input_reload_class,
331         s390_secondary_output_reload_class): Functions removed.
332         (s390_secondary_reload): New function.
333         (TARGET_SECONDARY_RELOAD): Target macro defined.
334         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
335         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
336         * config/s390/s390.md ("reload_outti", "reload_outdi",
337         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
338         "reload_out<mode>"): Expanders removed.
339         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
340         "reload<mode>_nonoffmem_out"): Expanders added.
341
342 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
343
344         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
345         SRC->DEST replacement failed anyway.
346
347 2007-03-28  Mike Stump  <mrs@apple.com>
348
349         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
350         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
351         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
352
353 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
354
355         * config.gcc: Accept barcelona as a variant of amdfam10.
356         * config/i386/i386.c (override_options): Likewise.
357         * doc/invoke.texi: Likewise.
358         
359 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
360
361         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
362         offsets for BIT_FIELD_REF and COMPONENT_REF.
363
364 2007-03-28  Richard Guenther  <rguenther@suse.de>
365
366         * tree.c (is_global_var): Move ...
367         * tree-flow-inline.h (is_global_var): ... here.
368         * tree.h (is_global_var): Remove declaration.
369
370 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
371
372         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
373         option.
374         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
375         * config/i386/i386.c (ix86_tune_features): Initialize new
376         tuning option.
377         * config/i386/predicates.md (promotable_binary_operator): Use
378         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
379
380 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
381
382         PR target/31380
383         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
384
385 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
386
387         * config/fr30/fr30.md (movsi_internal): Change destination
388         constraint from m to V and add m to the end. 
389
390 2007-03-28  Christian Bruel  <christian.bruel@st.com>
391
392         * config/sh/sh.md (movsi_i): Fix type attribute.
393
394 2007-03-28  Christian Bruel  <christian.bruel@st.com>
395
396         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
397         (movsf_ie): Likewise.
398
399 2007-03-28  Christian Bruel  <christian.bruel@st.com>
400
401         * config.gcc: Add sh4-300 to multilib.
402         * config/sh/t-mlib-sh4-300: New file.
403
404 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
405
406         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
407         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
408         fix_trunc<mode>di2.
409         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use 
410         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
411         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
412         "fixuns_trunctddi2"): Whitespace fix.
413
414 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
415
416         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
417         the definition of struct sh_args.
418         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
419         CALL_COOKIE_INT_REG_GET): Likewise.
420
421 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
422
423         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
424         transformations are applied successfully.
425
426 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
427
428         * tree.c (tree_contains_struct): Permit 512 tree codes.
429         * tree.h (tree_contains_struct): Ditto.
430         (MAX_TREE_CODES): Ditto.
431         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
432         SPARE member to store remaining padding bits.
433
434 2007-03-27  Anatoly Sokolov <aesok@post.ru>
435
436         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' 
437         architecture.
438
439 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
440
441         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
442         * configure: Regenerate.
443
444         * configure: Regenerate using the correct version of autoconf.
445
446 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
447
448         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
449         pointer regs.
450         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
451         regs to "__SP_L__" and "__SP_H__".
452
453 2007-03-27  Richard Guenther  <rguenther@suse.de>
454
455         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
456         computations with it with a HOST_WIDE_INT variable.  
457
458 2007-03-26  Mike Stump  <mrs@apple.com>
459
460         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
461         objective-c-header, objective-c++-header and objc++-cpp-output
462         support.
463         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
464
465 2007-03-26  Richard Henderson  <rth@redhat.com>
466
467         PR target/31361
468         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
469         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
470         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
471         IX86_BUILTIN_PSRLQ128): New.
472         (ix86_init_mmx_sse_builtins): Add them.
473         (ix86_expand_builtin): Expand them.
474         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
475         operand 2 be TImode.
476         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
477         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
478         _mm_srli_epi64): Mark __B const.
479         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
480         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
481         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use 
482         new two-vector shift builtins.
483
484 2007-03-26  Ian Lance Taylor  <iant@google.com>
485
486         PR tree-optimization/31345
487         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
488         [+INF, +INF(OVF)] into VARYING.
489
490 2007-03-26  Zack Weinberg  <zackw@panix.com>
491
492         * gengtype-parse.c: New file.
493         * gengtype-yacc.y: Delete.
494         * gengtype-lex.l: Don't include gengtype-yacc.h.
495         Define YY_DECL and yyterminate appropriately for recursive
496         descent parser.  yylval is now a string out-parameter to yylex.
497         (HWS, EOID): New shorthand.
498         (IWORD): Add a couple more types.
499         (yylex): Add a setup stanza.  Remove the complex rules for
500         detecting GTY'ed types and typedefs; replace with simple
501         keyword detectors.  Adjust everything for the changed
502         definition of yylval.  Ignore all pp-directives, not just #define.
503         (yyerror): Delete.
504         (parse_file): Rename yybegin; do not call yyparse.
505         (yyend): New.
506         * gengtype.c (xasprintf): Export again.
507         (this_file): New.  Use everywhere __FILE__ was being used.
508         (get_lang_bitmap): Special case types defined in gengtype.c.
509         (do_typedef, new_structure): Suppress definition of certain types.
510         (new_structure): Improve diagnostics of duplicate definitions.
511         Make sure location_s is associated with input.h.
512         (nreverse_pairs, define_location_structures): New functions.
513         (main): Improve tagging of kludge types.  Remove old kludges
514         for input.h types; use define_location_structures.
515         * gengtype.h: Update prototypes.  Define token codes here.
516         * Makefile.in: Remove all references to gengtype-yacc.
517         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
518         and gengtype.
519         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
520         add GTY((skip)) to the field that's only conditionally there.
521         * doc/install.texi: Document that Bison is no longer required
522         unless building treelang.
523
524         * gengtype.c: Don't include gtyp-gen.h.
525         (srcdir): Declare here.
526         (base_files, lang_dir_names): Allocate dynamically.
527         (gt_files, num_gt_files, num_lang_dirs): New globals.
528         (measure_input_list, read_input_line, read_input_list)
529         (set_lang_bitmap): New functions.
530         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
531         simplify, relying on read_input_list to set up the bitmaps.
532         (main): Arguments are no longer unused.  Check for correct number
533         of command line arguments, set srcdir and srcdir_len, then call
534         read_input_list, before doing anything else.  No need to worry
535         about duplicates in main loop.
536         * configure.ac: Simplify the calculation of all_gtfiles.
537         Put language tags in there.  Don't set or substitute
538         all_gtfiles_files_langs or all_gtfiles_files_frags.
539         * Makefile.in: Revamp the way gengtype is invoked, now that it
540         takes a file on its command line with a much simpler format.
541         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
542         (GTFILES): Remove duplicates and C source files.
543         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
544         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
545         * configure: Regenerate.
546
547         * gengtype.h: Remove all type definitions to gengtype.c; leave
548         only definitions of options_p, type_p, and pair_p as opaque
549         pointers.  Update prototypes.
550         * gengtype.c: Many type definitions moved here from gengtype.h.
551         Consolidate type definitions at the top of the file.
552         (xvasprintf): Delete.
553         (xasprintf): Make static.
554         (create_nested_pointer_option): Add 'next' parameter.
555         (create_field_all, create_field_at): New functions.
556         (create_field): Now a thin wrapper around create_field_all.
557         (create_optional_field): Rename create_optional_field_ and add
558         line argument.  Original name is now a macro which supplies
559         __LINE__.
560         (oprintf): Use vsnprintf directly.
561         (close_output_files): Use fatal rather than perror/exit.
562         (note_def_vec, note_def_vec_alloc): Use create_field_at.
563         (main): Set progname.  Don't use exit.
564         * gengtype-yacc.y (struct_fields): Use create_field_at.
565         (option, optionseqopt): Delete.
566         (optionseq): Consolidate productions from option here so we
567         can use the first argument to create_option.
568
569         * gengtype-lex.l: Distinguish unions from structures in the
570         token type.  Don't call find_structure; return the tag as a string.
571         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
572         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
573         Reorganize typedef_struct production accordingly.
574         Use create_nested_ptr_option.
575         * gengtype.c (create_nested_ptr_option): New function.
576         * gengtype.h: Declare it.
577
578         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
579         (string_type): Don't declare.
580         (do_scalar_typedef): Declare.
581         (create_scalar_type): Update prototype.
582         * gengtype.c (string_type): Make static.
583         (scalar_nonchar, scalar_char): New.
584         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
585         (resolve_typedef): Use scalar_nonchar for error recovery.
586         (create_scalar_type): Remove name_len field.  Return scalar_char
587         or scalar_nonchar as appropriate.
588         (adjust_field_type): Look at scalar_is_char boolean to decide whether
589         to use string_type.
590         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
591         whenever possible.
592         (main): Initialize scalar_char and scalar_nonchar before calling
593         gen_rtx_next.
594         * gengtype-lex.l: Adjust for removal of second argument to
595         create_scalar_type.  Use yylval.s instead of yylval.t when
596         returning SCALAR.
597         * gengtype-yacc.y: Type of SCALAR is string.  Call
598         create_scalar_type from type:SCALAR rule.  Adjust for removal of
599         second argument to create_scalar_type.
600
601         * vec.h: Remove all #if IN_GENGTYPE blocks.
602         Add comment saying that changes may require adjustments to gengtype.
603         * gengtype.c: Don't include coretypes.h or tm.h.
604         Add comment to inclusion of errors.h.
605         (note_def_vec, note_def_vec_alloc): New functions.
606         * gengtype.h: Declare new functions.
607         * gengtype-lex.l: Don't include coretypes.h.
608         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
609         Delete.
610         (update_lineno): Remove unnecessary prototype.
611         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
612         (VEC rule): Just return VEC_TOKEN.
613         * gengtype-yacc.y (VEC_TOKEN): New token type.
614         (type): Add a production for VEC(a,b).
615         * Makefile.in: Update dependencies.
616
617         * gengtype-lex.l: Remove rules for parsing pointer-to-function
618         typedefs that use the old PARAMS macro.
619
620         * gengtype-lex.l: Remove all rules and states relating to yacc
621         input files.
622         * gengtype-yacc.y: Similarly.
623         * gengtype.c (note_yacc_type): Delete function.
624         * gengtype.h: Update prototypes.
625
626 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
627
628         * tree-pretty-print.c (dump_generic_node): Report precision of
629         unnamed integer types.
630
631 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
632
633         * ifcvt.c (noce_try_store_flag_constants): Don't check
634         no_new_pseudos here.
635         (noce_try_store_flag_constants): Don't check no_new_pseudos.
636         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
637         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
638         noce_try_sign_mask): Likewise.
639         (if_convert): Check no_new_pseudos here.
640
641         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
642         Remove prototypes.
643         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
644         (noce_get_condition): Handle new then_else_reversed argument.
645         (noce_init_if_info): Remove, fold into noce_find_if_block.
646         (noce_process_if_block): Take a struct noce_if_info as the
647         argument.  Don't set up one based on ce_if_info.  Update pointer
648         references accordingly.
649         (cond_move_process_if_block): Likewise.
650         (process_if_block): Removed.
651         (find_if_block): Removed.  Move functionality two new functions,
652         noce_find_if_block and cond_exec_find_if_block.
653         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
654         blocks and the symmetric IF-ELSE-JOIN case.
655         (cond_exec_find_if_block): Also new function mostly based on old
656         find_if_block and process_if_block.
657         (find_if_header): Replace find_if_block call with separately
658         guarded calls to noce_find_if_block and cond_exec_find_if_block.
659         (find_cond_trap): Update noce_get_condition call.
660         (dead_or_predicable): Likewise.
661
662 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
663
664         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
665         Remove.
666         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
667         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
668         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
669         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
670         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
671         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
672         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
673         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
674         __builtin_ia32_psrad128 builtins.
675
676 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
677
678         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
679         * config/i386/constraints.md
680         (define_constraint "I"): Use IN_RANGE macro.
681         (define_constraint "J"): Ditto.
682         (define_constraint "K"): Ditto.
683         (define_constraint "M"): Ditto.
684         (define_constraint "N"): Ditto.
685         (define_constraint "O"): Ditto.
686         * config/i386/predicates.md
687         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
688         (define_predicate "const_0_to_3_operand"): Ditto.
689         (define_predicate "const_0_to_7_operand"): Ditto.
690         (define_predicate "const_0_to_15_operand"): Ditto.
691         (define_predicate "const_0_to_63_operand"): Ditto.
692         (define_predicate "const_0_to_255_operand"): Ditto.
693         (define_predicate "const_1_to_31_operand"): Ditto.
694         (define_predicate "const_2_to_3_operand"): Ditto.
695         (define_predicate "const_4_to_7_operand"): Ditto.
696
697 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
698
699         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
700         in SImode for save_world.
701         * config/rs6000/altivec.md (save_world, restore_world): Convert to
702         LR hard reg.
703
704 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
705
706         PR tree-optimization/30784
707         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
708         BIT_FIELD_REF.
709
710 2007-03-25  Revital Eres  <eres@il.ibm.com>
711
712         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
713           Fold movement_possibility function into it.
714
715 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
716
717         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
718         (load_macho_picbase_{si,di}): Convert to LR hard reg.
719         (call_indirect_nonlocal_darwin64): Same.
720         (call_nonlocal_darwin64): Same.
721         (call_value_indirect_nonlocal_darwin64): Same.
722         (call_value_nonlocal_darwin64): Same.
723         (sibcall_nonlocal_darwin64): Same.
724         (sibcall_value_nonlocal_darwin64): Same.
725         (sibcall_symbolic_64): Same.
726         (sibcall_value_symbolic_64): Same.
727         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
728         LR pseudo.
729         (rs6000_emit_load_toc_table): Same.
730         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
731         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
732         (mull_call): Same.
733         (divss_call): Same.
734         (divus_call): Same.
735         (quoss_call): Same.
736         (quous_call): Same.
737         (load_toc_v4_pic_si): Same
738         (load_toc_v4_PIC_1): Same.
739         (load_toc_v4_PIC_1b): Same.
740         (call_indirect_aix{32,64}): Same.
741         (call_value_indirect_aix{32,64}): Same.
742         (call): Same.
743         (call_value): Same.
744         (call_local{32,64}): Same.
745         (call_value_local{32,64}): Same.
746         (call_indirect_nonlocal_aix{32,64}): Same.
747         (call_nonlocal_aix{32,64}): Same.
748         (call_value_indirect_nonlocal_aix{32,64}): Same.
749         (call_value_nonlocal_aix{32,64}): Same.
750         (call_indirect_nonlocal_sysv<mode>): Same.
751         (call_nonlocal_sysv<mode>): Same.
752         (call_value_indirect_nonlocal_sysv<mode>): Same.
753         (call_value_nonlocal_sysv<mode>): Same.
754         (sibcall): Same.
755         (sibcall_local{32,64}): Same.
756         (sibcall_value_local{32,64}): Same.
757         (sibcall_nonlocal_aix{32,64}): Same.
758         (sibcall_value_nonlocal_aix{32,64}): Same.
759         (sibcall_nonlocal_sysv<mode>): Same.
760         (sibcall_value): Same.
761         (sibcall_value_nonlocal_sysv<mode>): Same.
762
763 2007-03-24  Paul Brook  <paul@codesourcery.com>
764
765         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
766         * config/arm/linux-eabi.h: Remove legacy syscall hack.
767
768 2007-03-24  Richard Henderson  <rth@redhat.com>
769
770         * config/ia64/constraints.md: New file.
771         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
772         satisfies_constraint_?.
773         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
774         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
775         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
776         ia64_output_mi_thunk): Likewise.
777         (ia64_const_ok_for_letter_p): Remove.
778         (ia64_const_double_ok_for_letter_p): Remove.
779         (ia64_extra_constraint): Remove.
780         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
781         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
782         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
783         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
784         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
785         EXTRA_MEMORY_CONSTRAINT): Remove.
786         * config/ia64/ia64.md: Include constriants.md.  Replace
787         CONST_OK_FOR_? with satisfies_constraint_?.
788
789 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
790             H.J. Lu  <hongjiu.lu@intel.com>
791
792         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
793         DPD or BID name.
794         (name macros): Use DPD_BID_NAME to convert names properly.
795
796         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
797         decimal floating point format.
798         (init_floating_libfuncs): Change decimal functions so that they
799         have a "bid_" prefix if the decimal system uses the BID format,
800         and "dpd_" prefix if the decimal system uses the DPD format.
801         (init_interclass_conv_libfuncs): Ditto.
802         (init_intraclass_conv_libfuncs): Ditto.
803
804         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
805         using the BID format.
806
807         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
808         whether we are using the BID decimal format.
809         * configure: Regenerate.
810
811         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
812         the compiler has decimal floating point enabled.  Define
813         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
814         instead of DPD.
815
816         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
817         using the BID format.
818
819         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
820         whether we are using the BID decimal format.
821         * configure: Regenerate.
822
823         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
824         the compiler has decimal floating point enabled.  Define
825         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
826         instead of DPD.
827
828         * doc/install.texi (--enable-decimal-float): Document BID and DPD
829         options, and that it is enabled for i386/x86_64 systems.
830
831         * Makefile.in (enable_decimal_float): New.
832         (DECNUMFMT): New.
833         (DECNUMINC): Add  -I$(DECNUMFMT).
834         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
835         to $(DECNUMFMT) from $(DECNUM).
836
837         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
838         Substitute enable_decimal_float.
839         * configure: Regenerated.
840
841         PR other/30529
842         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
843         unsigned long.
844
845         * configure.ac: Enable decimal float for x86_64-*-linux*.
846         * configure: Regenerated.
847
848         PR other/30530
849         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
850         decimal128ClearSign to flip and clear the sign bit in decimal128.
851         (decimal_real_maxval): Set decimal128SetSign to set the sign
852         bit in decimal128.
853
854 2007-03-23  Ian Lance Taylor  <iant@google.com>
855
856         * fold-const.c (fold_binary): Correct warning for X - c >= X.
857
858 2007-03-23  Ian Lance Taylor  <iant@google.com>
859
860         * tree-dump.c (dump_files): Correct comment.
861
862 2007-03-23  Ian Lance Taylor  <iant@google.com>
863
864         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
865
866 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
867
868         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
869         in cfglayout mode.  Don't go into and out of cfglayout mode.
870         Link the blocks in the order of the constructed traces.
871         (rest_of_handle_tracer): Adjust call to tracer.
872         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
873         Don't go into cfglayout mode.
874         (rtl_loop_done): Don't go out of cfglayout mode.
875         * cfglayout.c (relink_block_chain): New function, split out from...
876         (fixup_reorder_chain): ...here.  Remove redundant checking.
877         (cfg_layout_finalize): Don't clear the header, footer, and aux
878         fields here, move the code to do so to relink_block_chain.  Likewise
879         for free_original_copy_tables.
880         * rtl.h (tracer): Update prototype.
881         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
882         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
883         mode.  Use relink_block_chain to serialize the CFG according to the
884         new basic block order.  Move targetm.cannot_modify_jumps_p check from
885         here...
886         (gate_handle_reorder_blocks): ...to here.
887         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
888         from here...
889         (gate_duplicate_computed_gotos): ...to here.
890         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
891         something always changes when going into and out of cfglayout mode.
892         Perform an expensive cfg cleanup while going into cfglayout mode.
893         Always update liveness information on HAVE_conditional_execution
894         targets.  Reserialize the basic blocks and go out of cfglayout mode.
895         * reg-stack.c: Include cfglayout.h.
896         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
897         the call to reorder_basic_blocks.
898         * basic-block.h (reorder_basic_blocks): Update prototype.
899         (relink_block_chain): New prototype.
900         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
901
902 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
903
904         * config/mips/mips.md (type, hazard, *movdi_32bit,
905         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
906         *movhi_internal, *movqi_internal, *movsf_hardfloat,
907         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
908         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
909         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
910         applicable.
911         (movcc): Change first xfer to multi.
912         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
913         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
914         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
915         config/mips/generic.md: Change reservations using "xfer" to use
916         "mfc,mtc".
917         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
918         using match_operand.
919         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
920         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
921         examining mode.
922         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
923
924 2007-03-22  Richard Henderson  <rth@redhat.com>
925
926         * config/i386/i386.c: Remove unnecessary function declarations.
927         Move targetm definition, and all related macros, to the end of
928         the file.  Resort some functions to put definitions before uses.
929         (ix86_attribute_table): Make static.  Move to end of file.
930         (ix86_gimplify_va_arg): Make static.
931
932 2007-03-22  Richard Henderson  <rth@redhat.com>
933
934         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
935         don't increase local_regparm with force_align_arg_pointer check.
936         (ix86_function_sseregparm): Assert 32-bit.
937         (type_has_variadic_args_p): New.
938         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
939         type_has_variadic_args_p.
940         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
941         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
942         use memset instead.  Do maybe_vaarg check first; skip attribute
943         tests if true; skip attribute tests for 64-bit.
944         (construct_container): Remove TARGET_DEBUG_ARG.
945         (function_arg_advance_32, function_arg_advance_64): Split out ...
946         (function_arg_advance): ... from here.
947         (function_arg_32, function_arg_64): Split out ...
948         (function_arg): ... from here.
949         (ix86_pass_by_reference): Tidy.
950         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
951         (function_value_32): New, from parts of ix86_function_value
952         and ix86_value_regno.
953         (function_value_64): New, from parts of ix86_function_value
954         and ix86_libcall_value.
955         (ix86_function_value_1): New.
956         (ix86_function_value, ix86_libcall_value): Use it.
957         (return_in_memory_32, return_in_memory_64): Split out ...
958         (ix86_return_in_memory): ... from here.
959         (ix86_struct_value_rtx): Skip for 64-bit.
960         (ix86_libcall_value, ix86_value_regno): Remove.
961         (setup_incoming_varargs_64): Split out ...
962         (ix86_setup_incoming_varargs): ... from here.
963         (ix86_va_start): Remove TARGET_DEBUG_ARG.
964         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
965         * config/i386/i386-protos.h (ix86_function_value): Remove.
966         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
967
968 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
969
970         PR other/23572
971         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
972         infinities not supported, otherwise emit warning if -Woverflow. On
973         underflow, emit warning if -Woverflow.
974         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
975         and 0 otherwise.
976         * real.h (real_from_string): Update declaration
977
978 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
979             Richard Henderson  <rth@redhat.com>
980
981         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
982         * calls.c (compute_argument_block_size, expand_call,
983         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
984         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
985         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
986         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
987         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
988         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
989         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
990         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
991         Set to 1.
992
993 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
994
995         * c-incpath.c (add_sysroot_to_chain): New.
996         (merge_include_chains): Add sysroot argument.  Call
997         add_sysroot_to_chain if sysrooted.
998         (register_include_chains): Update call to merge_include_chains.
999         * doc/cppopts.texi: Document use of '=' in include directory
1000         arguments.
1001
1002 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1003
1004         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1005         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1006         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1007         insn pattern using X87MODEF12 mode macro.
1008
1009 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1010
1011         * regmove.c (regmove_optimize): Use reg_mentioned_p
1012         instead of reg_overlap_mentioned_p for DST.
1013
1014 2007-03-21  Mike Stump  <mrs@apple.com>
1015
1016         * c.opt: Fixup for Objective-C/C++.
1017
1018 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1019
1020         * explow.c (convert_memory_address): Fold memory reference when
1021         POINTERS_EXTEND_UNSIGNED < 0
1022
1023 2007-03-21  Richard Henderson  <rth@redhat.com>
1024
1025         PR target/31245
1026         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1027         * config/i386/mmintrin.h (__m64): Likewise.
1028         * config/i386/xmmintrin.h (__m128): Likewise.
1029
1030 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1031
1032         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1033         (VXWORKS_OS_CPP_BUILTINS): Define.
1034         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1035         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1036
1037 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1038
1039         * rtl.h (constant_pool_reference_p): Delete.
1040         (find_constant_src): Declare.
1041         * rtlanal.c (find_constant_src): New function.
1042         * simplify-rtx.c (constant_pool_reference_p): Delete.
1043         * config/i386/i386.md: Use find_constant_src instead of
1044         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1045
1046 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1047
1048         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1049         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1050
1051 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1052
1053         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1054         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1055         (arm_elf_asm_constructor): Use it.
1056         (arm_elf_asm_destructor): New function.
1057
1058 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1059
1060         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1061
1062 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1063
1064         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1065
1066 2007-03-19  Andrew Haley  <aph@redhat.com>
1067
1068         PR tree-optimization/31264
1069         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1070         VIEW_CONVERT_EXPRs.
1071
1072 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1073
1074         PR rtl-optimization/30907
1075         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1076         (fwprop_init): Always call loop_optimizer_initialize.
1077         (fwprop_done): Always call loop_optimizer_finalize.
1078         (fwprop): We always have loop info now.
1079         (gate_fwprop_addr): Remove.
1080         (pass_fwprop_addr): Use gate_fwprop as gate.
1081
1082         PR rtl-optimization/30841
1083         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1084         df_chain_alloc): Call df_reorganize_refs unconditionally.
1085         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1086         refs_organized to refs_organized_size.
1087         (df_ref_create_structure): Use refs_organized_size instead of
1088         bitmap_size if refs had been organized, and keep refs_organized_size
1089         up-to-date.
1090         * df.h (struct df_ref_info): Change refs_organized to
1091         refs_organized_size.
1092         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1093         bitmap_size.
1094
1095 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1096
1097         * except.c (output_function_exception_table): Do not reference the
1098         EH personality routine for functions that do not require an
1099         exception table.
1100
1101 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1102
1103         PR c/30762
1104         * c-typeck.c (convert_for_assignment): Call comptypes for
1105         RECORD_TYPE or UNION_TYPE.
1106
1107         PR inline-asm/30505
1108         * reload1.c (reload): Do invalid ASM checking after
1109         cleanup_subreg_operands.
1110
1111 2007-03-19  Jeff Law  <law@redhat.com>
1112
1113         * tree-cfg.c (find_taken_edge): Tighten conditions for
1114         optimizing computed gotos.
1115
1116 2007-03-19  Michael Matz  <matz@suse.de>
1117
1118         * builtins.c (expand_builtin_sync_operation,
1119         expand_builtin_compare_and_swap,
1120         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1121         correctly.
1122
1123         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1124         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1125         for operand 3.
1126
1127 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1128
1129         * doc/tm.texi: Add brackets around the return type of
1130         TARGET_SECONDARY_RELOAD.
1131
1132 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1133         Richard Guenther  <rguenther@suse.de>
1134
1135         PR tree-optimization/31254
1136         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1137         Use handled_component_p () where appropriate.  Continue
1138         propagating into the rhs if we propagated into an INDIRECT_REF
1139         on the lhs.
1140
1141 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1142
1143         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1144         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1145         (xde, xdee): Mode attributes adjusted to support DFP modes.
1146         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1147         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1148         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1149         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1150         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1151         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1152         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1153         numbers.
1154         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1155         "movsf"): Insn definitions removed.
1156         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1157         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1158         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1159         definitions added.
1160         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1161         "reload_in<mode>", "reload_out<mode>"): Expander added.
1162         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1163         Expander removed.
1164
1165 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1166
1167         * config/s390/s390.md: Only non-functional changes.  Renamed
1168         FPR mode macro to BFP all over the file.
1169
1170 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1171
1172         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1173         (op_type attribute): RRF instruction type added.
1174         (fT0): New mode attribute.
1175         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1176         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1177         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1178         no secondary memory is needed when moving DFmode values between GPRs
1179         and FPRs.
1180
1181 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1182
1183         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1184         inverted and documentation adjusted.
1185         ("mhard-dfp", "msoft-dfp"): New options.
1186         * config/s390/s390.c (s390_handle_arch_option): New architecture
1187         switch: z9-ec.
1188         (override_options): Sanity checks for the new options added.
1189         * config.gcc: New architecture switch: z9-ec.
1190         * config/s390/s390.h (processor_flags): PF_DFP added.
1191         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1192         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1193         when the bit is NOT set so remove it from the defaults.
1194
1195 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1196
1197         * genemit.c (main): Print include statement for dfp.h.
1198         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1199         is not available.
1200
1201 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1202
1203         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1204
1205 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1206
1207         PR target/31022
1208         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1209         instead of PATTERN.
1210
1211 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1212
1213         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1214         attr_length_call, output_call, output_indirect_call): Cleanup
1215         formatting of targetm calls.
1216
1217 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1218
1219         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1220
1221 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1222
1223         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1224         reservation, bypass and anti-bypass descriptions for these instructions.
1225         Update move patterns.
1226         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1227         TYPE_FPSTORE.
1228
1229 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1230
1231         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1232         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1233         (get_initial_def_for_reduction): Likewise.
1234
1235 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1236
1237         Fix PR tree-optimization/29922
1238         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1239         (get_representative): Removed.
1240         (value_dies_in_block_x): Update for rvuse removal.
1241         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1242         (compute_antic_aux): Handle when PHI nodes appear in
1243         non-single-successors.
1244         (dump_bitmap_of_names): Removed.
1245         (compute_antic_safe): Renamed and removed rvuse calculation.
1246         Calculate only antic safe.
1247         (insert_into_preds_of_block): Remove assert.
1248         (execute_pre): Update for renamed functions.
1249         (defer_or_phi_translate_block): New function.
1250
1251 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1252
1253         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1254         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1255         typos.
1256         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1257         Follow spelling conventions.
1258
1259         * tree-data-ref.h: Remove the prototype for analyze_array.
1260
1261 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1262
1263         PR tree-optimization/31041
1264         * tree-vect-transform.c (get_initial_def_for_induction): Call
1265         force_gimple_operand.
1266
1267 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1268
1269         * ipa-type-escape.c (look_for_casts) : Revert code to use
1270         handled_component_p due to ada test a-numaux.adb.
1271
1272 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1273
1274         * final.c (final_scan_insn): Alter the condition of a
1275         conditional trap if we have nonstandard CC.
1276
1277 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1278
1279         * configure.ac: Remove excess quoting from asm line 0 test.
1280         * configure: Rebuilt.
1281
1282 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1283
1284         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1285         * c-common.c (convert_and_check): Move warning logic to...
1286         (warnings_for_convert_and_check): ...here. Define.
1287         * c-common.h (warnings_for_convert_and_check): Declare.
1288
1289 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1290
1291         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1292         (output_call): Likewise.
1293
1294 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1295
1296         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1297
1298 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1299
1300         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1301
1302 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1303
1304         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1305         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1306
1307 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1308
1309         PR tree-optimization/31183
1310         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1311         Use double_int instead of unsigned int for representing access_strides.
1312         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1313
1314 2007-03-16  Richard Guenther  <rguenther@suse.de>
1315
1316         PR tree-optimization/31146
1317         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1318         to allow recursion of forward_propagate_addr_expr.
1319         (forward_propagate_addr_into_variable_array_index): Likewise.
1320         (forward_propagate_addr_expr): Likewise.
1321         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1322         (forward_propagate_addr_expr_1): Recurse on simple copies
1323         instead of propagating into them.  Do so for useless conversions
1324         as well.
1325         (forward_propagate_addr_expr): Clean up unused statements after
1326         recursion.
1327
1328 2007-03-16  Richard Guenther  <rguenther@suse.de>
1329
1330         * builtins.c (expand_builtin_cexpi): Use the right argument
1331         for the expansion via cexp.
1332
1333 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1334
1335         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1336         * configure: Rebuilt.
1337
1338 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1339
1340         PR debug/29906
1341         * dwarf2out.c (force_type_die): Adjust comment.
1342         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1343
1344 2007-03-15  DJ Delorie  <dj@redhat.com>
1345
1346         * config/frv/predicates.md (minmax_operator): Don't check operands
1347         here.
1348
1349 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1350
1351         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1352         Update constant estimates of number of iterations.
1353         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1354         argument renamed to "realistic".
1355         (compute_estimated_nb_iterations): Removed.
1356         (record_niter_bound): New function.
1357         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1358         call record_nonwrapping_iv with upper = false.
1359         (infer_loop_bounds_from_signedness): Pass upper argument to
1360         record_nonwrapping_iv.
1361         (estimate_numbers_of_iterations_loop): Do not call
1362         compute_estimated_nb_iterations.  Record estimate based on profile
1363         information.  Initialize the constant estimates of number of
1364         iterations.
1365         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1366         estimates.
1367         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1368         number of iterations is too small.
1369         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1370         (EST_NOT_AVAILABLE): Removed.
1371         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1372         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1373         fields.
1374
1375 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1376
1377         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1378         Handle NE_EXPR guards.
1379
1380 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1381
1382         PR c++/24924
1383         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1384         Set also -pedantic-errors by default for the  preprocessor unless
1385         -fpermissive is given.
1386
1387 2007-03-15  Richard Guenther  <rguenther@suse.de>
1388
1389         PR middle-end/29719
1390         PR middle-end/31161
1391         * builtins.c (expand_builtin_cexpi): As a fallback if we
1392         don't have builtins for sincos or cexp create a function
1393         declaration for cexp and expand to a call to that.
1394         (expand_builtin_int_roundingfn): Always fall
1395         back to floor/ceil and its variants even if they may be
1396         not available.
1397
1398 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1399
1400         PR middle-end/31159
1401         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1402         jump tables, move the call to delete_dead_jumptables from here...
1403         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1404         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1405         don't allow merging of blocks that try_redirect_by_replacing_jump
1406         also does not handle when not optimizing.
1407
1408 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1409             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1410
1411         * config/i386/i386.md (x86_sahf_1): Correctly handle
1412         HAVE_AS_IX86_SAHF.
1413
1414 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1415
1416         PR target/31167
1417         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1418         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1419         from operand constraints and use "e" constraint instead.
1420         (*subti3_1, *subti3_1 splitter): Ditto.
1421         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1422         operand[1] predicate.
1423
1424 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1425
1426         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1427         arrays, multiply the access strides by the size of the sub-array.
1428         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1429
1430 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1431
1432         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1433         the configured assembler supports the sahf mnemonic.
1434         * configure: Regenerate.
1435         * config.in: Regenerate.
1436
1437         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1438         emit "sahf" or ".byte\t0x9e" as asm template.
1439
1440 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1441
1442         PR 31018
1443         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1444         option to replace hard coded TARGET_xxx in md file.
1445         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1446         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1447         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1448         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1449         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1450         (X86_TUNE_NOT_VECTORMODE): Ditto.
1451         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1452         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1453         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1454         (TUNE_SLOW_IMUL_IMM8): Ditto.
1455         (TUNE_MOVE_M1_VIA_OR): Ditto.
1456         (TUNE_NOT_UNPAIRABLE): Ditto.
1457         (TUNE_NOT_VECTORMODE): Ditto.
1458
1459         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1460         options.
1461
1462         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1463         tuning options instead of hard coded TARGET_xxx.
1464         (fix ssemode peephole2's): Ditto.
1465         (imul peephole2's): Ditto.
1466         (movsi_or): Ditto.
1467         (movdi_or_rex64): Ditto.
1468         (move peephole2): Ditto.
1469         (not peephole2's): Ditto.
1470
1471 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1472
1473         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1474         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1475         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1476         of empty body.
1477         * c-parser.c (c_parser_do_statement): Warn about empty body in
1478         do/while statement.
1479         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1480         * doc/invoke.texi (-Wempty-body): Update documentation.
1481
1482 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1483
1484         PR c/21438
1485         * c-common.h (warn_for_div_by_zero): Declare.
1486         * c-common.c (warn_for_div_by_zero): Define.
1487         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1488         warning.
1489
1490 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1491
1492         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1493         to PREFIX and STANDARD_PREFIX.
1494
1495 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1496             Phil Edwards  <phil@codesourcery.com>
1497
1498         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1499         (__gthread_once_t): Remove busy field for RTPs.
1500         (__GTHREAD_ONCE_INIT): Update accordingly.
1501
1502 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1503
1504         * doc/invoke.texi: Document VxWorks options.
1505
1506 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1507
1508         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1509
1510 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1511
1512         PR tree-optimization/30590
1513         * tree-nrv.c (tree_nrv): Check for the partial update of the
1514         return value.
1515
1516 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1517
1518         * flags.h (flag_random_seed): Remove declaration, in favor of...
1519         * toplev.h (get_random_seed, set_random_seed): ... these.
1520         * tree.c (get_file_function_name): Use the former.
1521         * opts.c (common_handle_option): Use the latter.
1522         * toplev.c
1523
1524 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1525
1526         PR middle-end/31127
1527         * cse.c (cse_find_path): Do not bail out if a basic block that
1528         we already visited now becomes part of a path that starts at a
1529         different basic block.  Just disallow this, to make sure we
1530         visit each basic block at most once.
1531
1532 2007-03-13  Jan Hubicka  <jh@suse.cz>
1533
1534         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1535         when profile esitmate is present, calls with very low frequency are
1536         cold.
1537
1538 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1539
1540         PR tree-optimization/30730
1541         PR tree-optimization/26900
1542         * tree-ssa-loop-niter.c: Include gmp.h.
1543         (bounds): New type.
1544         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1545         split_to_var_and_offset, determine_value_range,
1546         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1547         bound_difference, bounds_add, bounds_negate,
1548         number_of_iterations_ne_max, dump_affine_iv): New functions.
1549         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1550         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1551         difference of initial and final value of control iv to validate
1552         results.
1553         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1554         on the difference of the extremes of the control iv.  Add dumps.
1555         (expand_simple_operations): Handle phi nodes.
1556         (simplify_using_initial_conditions): Do not record used conditions.
1557         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1558         Do not set additional_info.
1559         (implies_nonnegative_p, implies_ge_p): Removed.
1560         (derive_constant_upper_bound): Do not use parameter `additional'.
1561         (record_estimate): Parameter `additional' removed.  Parameter
1562         `i_bound' added.  Do not call derive_constant_upper_bound.
1563         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1564         bound the number of iterations estimate.
1565         (estimate_numbers_of_iterations_loop): Pass the estimate from
1566         the number of iterations analysis to record_estimate.
1567         * tree.h (multiple_of_p): Declare.
1568         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1569         (scev_const_prop): Do not check expression_expensive_p.
1570         * fold-const.c (multiple_of_p): Exported.
1571         * double-int.c (double_int_mask): Exported.
1572         * double-int.h (double_int_mask): Declare.
1573         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1574         field.  Added max field.
1575
1576 2007-03-13  David Taylor  <taylor@candd.org>
1577
1578         PR driver/12448:
1579         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1580         default -MQ.
1581
1582 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1583
1584         PR target/31123
1585         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1586         two unamed patterns.
1587
1588 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1589
1590         * config/i386/i386.opt (mcx16, msahf): New options.
1591         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1592         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1593
1594         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1595         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1596         Output -mcx16 and -msahf options when corresponding bit is set.
1597
1598         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1599         and -msahf options.
1600
1601 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1602
1603         * configure.ac: Test for assembler tolerance to # 0 "".
1604         * configure, config.in: Rebuilt.
1605         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1606
1607 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1608
1609         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1610
1611         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1612         (handle_syscall): Handle direct system calls.
1613         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1614
1615 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1616
1617         * doc/invoke.texi: Fix cpp.info cross-reference.
1618         * doc/passes.texi: Fix gcc.info cross-reference.
1619
1620 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1621
1622         PR tree-optimization/30835
1623         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1624         bb_for_stmt is not NULL before accessing it.
1625
1626 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1627
1628         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1629         some multilibs.
1630
1631 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1632
1633         PR 30635
1634         * doc/install.texi: Document --enable-stage1-languages
1635
1636 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1637
1638         * tree-pass.h (pass_into_cfg_layout_mode,
1639         pass_outof_cfg_layout_mode): Declare.
1640         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1641         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1642         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1643         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1644
1645 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1646
1647         * c-decl.c (warn_variable_length_array): New function.
1648         Refactored from grokdeclarator to handle warn_vla
1649         and handle unnamed array case.
1650         (grokdeclarator): Refactored VLA warning case.
1651         * c.opt (Wvla): New flag.
1652         * doc/invoke.texi (Wvla): New warning.
1653
1654 2007-03-12  Richard Henderson  <rth@redhat.com>
1655
1656         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1657         (TARGET_SECTION_TYPE_FLAGS): New.
1658
1659 2007-03-12  Richard Henderson  <rth@redhat.com>
1660
1661         * config/darwin.c (machopic_reloc_rw_mask): New.
1662         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1663         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1664
1665 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1666
1667         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1668         * cppdefault.h (cpp_PREFIX): Document.
1669         (cpp_PREFIX_len): Likewise.
1670         (cpp_EXEC_PREFIX): New variable.
1671         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1672         * c-incpath.c (add_standard_paths): Correct logic for relocating
1673         paths within prefix.
1674
1675 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1676
1677         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1678         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1679         mode macro.
1680         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1681         fix_truncdfdi_sse using SSEMODEF mode macro.
1682         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1683         fix_truncdfsi_sse using SSEMODEF mode macro.
1684         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1685         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1686
1687 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1688
1689         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1690         elfos.h to tm_file.
1691
1692 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1693
1694         * tree.h : Add multiple_of_p declaration.
1695         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1696         * ipa-type-escape.c (results_of_malloc): Redundant.
1697         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1698         (cast_type): Extended with new members.
1699         (check_cast): Returns cast_type.
1700         (cast): New structure for data of walk_use_def_chains.
1701         (is_malloc_result, is_cast_from_non_pointer_1,
1702         is_cast_from_non_pointer,
1703         is_array_access_through_pointer_and_index): New functions.
1704         (look_for_casts): Returns cast types.
1705         (check_call): Returns void.
1706         (okay_pointer_operation): Use support of pointer plus index,
1707         pointer plus constant and allow all multiplications.
1708
1709 2007-03-11  Richard Guenther  <rguenther@suse.de>
1710
1711         PR tree-optimization/31115
1712         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1713         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1714         A shift count of zero is not special as with *_DIV_EXPR.
1715         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1716         direction.
1717
1718 2007-03-11  Ian Lance Taylor  <iant@google.com>
1719
1720         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1721         the *_DIV_EXPR codes correctly with overflow infinities.
1722
1723 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1724
1725         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1726         indicate success/failure of the analysis. Add negation to subtrahend
1727         in case of subtraction. Fail if both operands contain constants.
1728         (create_data_ref): Fail if analyze_offset fails.
1729
1730 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1731
1732         * config/i386/i386.md (frndintxf2): Rename to ...
1733         (rintxf2): ... this. Remove expander having same name.
1734         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1735         (roundsf2, rounddf2): Ditto.
1736         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1737         (lround<mode>di2, lround<mode>si2): Ditto.
1738
1739 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1740
1741         * lower-subreg.c: Include except.h.
1742         (decompose_multiword_subregs): Verify that the only control flow
1743         insns we can split are loads to multi-words pseudos.
1744         Handle breaking such blocks after splitting, instead of calling
1745         find_many_sub_basic_blocks.
1746
1747         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1748         on the new basic block.  Add a lengthy comment explaining why we
1749         thought this was necessary.
1750         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1751
1752 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1753
1754         PR c++/30924
1755         * tree.c (walk_type_fields): Recurse into the element type of
1756         ARRAY_TYPEs if there is a pointer set.
1757
1758 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1759
1760         * c-common.c (warn_logical_operator): Fix condition.
1761
1762 2007-03-10  Tobias Schl├╝ter  <tobi@gcc.gnu.org>
1763
1764         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1765         quotation mark.
1766         * config/darwin.c (machopic_select_section): Remove superfluous
1767         argument in call to categorize_decl_for_section.  Remove unused
1768         variable shlib.
1769
1770 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1771
1772         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1773         defined.
1774         * configure: Regenerate.
1775
1776 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1777
1778         PR target/31101
1779         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1780         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1781         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1782         Add LABEL_NUSES to emitted label.
1783         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1784         branch probability value to emitted jump insn.
1785         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1786         Do not check life information and do not re-arrange input operands
1787         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1788
1789 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1790
1791         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1792         the change of decode_asm_operands.
1793
1794 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1795
1796         * mode-switching.c (create_pre_exit): Skip blockage insn.
1797
1798 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1799
1800         * tree-pass.h (TODO_update_smt_usage): Remove.
1801         Update all users.
1802         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1803         argument SOME.
1804         Update all users.
1805
1806 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1807
1808         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1809         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1810         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1811         SOM target.
1812
1813 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1814
1815         * gcc.c: Document %{, in big comment at top.
1816         (input_suffix_matches): Remove special handling for .s and
1817         .S.
1818         (input_spec_matches): New.
1819         (handle_braces): Handle %{,.
1820         (validate_switches): ',' indicates a value which is not a switch.
1821         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1822         to detect assembler input.
1823         * config/i386/sol2.h (CPP_SPEC): Likewise.
1824         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1825         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1826         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1827         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1828         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1829         -m64 causes deployment target to default to 10.5.
1830         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1831
1832 2007-03-09  Richard Henderson  <rth@redhat.com>
1833
1834         PR target/26090
1835         * target.h (targetm.asm.out.reloc_rw_mask): New.
1836         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1837         (TARGET_ASM_OUT): Use it.
1838         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1839         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1840         use the new reloc_rw_mask target hook instead.
1841         (default_section_type_flags_1): Merge into...
1842         (default_section_type_flags): ... here.
1843         (decl_readonly_section_1): Merge into...
1844         (decl_readonly_section): ... here.
1845         (default_elf_select_section_1): Merge into...
1846         (default_elf_select_section): ... here.
1847         (default_unique_section_1): Merge into...
1848         (default_unique_section): ... here.
1849         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1850         (default_select_rtx_section): Use it.
1851         (default_elf_select_rtx_section): Likewise.
1852         * output.h: Update to match.
1853         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1854         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1855         (TARGET_ASM_RELOC_RW_MASK): New.
1856         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1857         to categorize_decl_for_section.
1858         (x86_64_elf_unique_section): Likewise.
1859         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1860         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1861         (TARGET_ASM_RELOC_RW_MASK): New.
1862         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1863         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1864         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1865         (TARGET_RWRELOC): Remove.
1866         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1867         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1868         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1869         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1870         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1871         (rs6000_xcoff_select_section): Use decl_readonly_section.
1872         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1873         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1874         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1875         (TARGET_SECTION_TYPE_FLAGS): Remove.
1876         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1877
1878 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1879
1880         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1881         complex constant equality/inequality comparisons for here.
1882         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1883         known at compile-time or can be simplified to a scalar comparison.
1884         (fold_relational_const): Move compile-time evaluation of complex
1885         constant equality/inequality comparisons to here.
1886
1887 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1888
1889         PR rtl-optimization/30643
1890         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1891         dest_addr_elt.
1892         (fold_rtx): Recurse, like before 2006-11-03.
1893
1894 2007-03-09  DJ Delorie  <dj@redhat.com>
1895
1896         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1897         m32c-pragma.o.
1898
1899 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1900
1901         PR tree-optimization/30375
1902         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1903         LHS of statements is not the same.
1904         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1905
1906 2007-03-09  Chao-ying Fu  <fu@mips.com>
1907
1908         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1909         REV 2.
1910         * doc/invoke.texi (-mdspr2): Document new option.
1911         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1912         New unspec for DSP REV 2.
1913         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1914         these instructions are extended in DSP REV 2.
1915         (mips-dspr2.md): Include.
1916         * config/mips/mips.opt (mdspr2): New option.
1917         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1918         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1919         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1920         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1921         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1922         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1923         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1924         and 2 builtins.
1925         (bdesc_map): Add one field of unsupported_target_flags.
1926         (bdesc_arrays):  Update entries to have extra fields.  Add
1927         dsp_32only_bdesc.
1928         (mips_init_builtins): Initialize new function types.
1929         Check unsupported_target_fileds to filter out builtins.
1930         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1931         TARGET_DSPR2.
1932         (ASM_SPEC): Pass mdspr2 to the assembler.
1933         * config/mips/mips-dspr2.md: New file.
1934
1935 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1936
1937         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1938
1939 2007-03-09  Ian Lance Taylor  <iant@google.com>
1940
1941         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1942         argument) like -Wstrict-overflow=2.
1943         * doc/invoke.texi (Warning Options): Update documentation.
1944
1945 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1946
1947         PR c++/17946
1948         * doc/invoke.texi (-Wlogical-op): Document.
1949         * common.opt (-Wlogical-op): New.
1950         * c-common.h (warn_logical_operator): Declare.
1951         * c-common.c (warn_logical_operator): Define.
1952         * c-typeck.c (parser_build_binary_op): Call
1953         warn_logical_operator.
1954
1955 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1956
1957         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1958         * final.c (final_scan_insn): Test for non-"" file name.
1959
1960 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1961
1962         * doc/loop.texi: Document the Omega linear constraints solver.
1963         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1964         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1965         omega-hash-table-size, omega-max-keys, and
1966         omega-eliminate-redundant-constraints.
1967         * tree-pass.h (pass_check_data_deps): Declared.
1968         * omega.c: New.
1969         * omega.h: New.
1970         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1971         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1972         pass_check_data_deps): New.
1973         * tree-data-ref.c (init_data_ref): Remove declaration.
1974         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1975         (analyze_array): Renamed init_array_ref, move up initializations.
1976         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1977         Removed arguments that are set to NULL.
1978         (analyze_indirect_ref): Correct indentation, correct call to
1979         init_pointer_ref.
1980         (object_analysis): Call init_array_ref instead of analyze_array.
1981         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1982         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1983         of DR_ACCESS_FNS_ADDR.
1984         (init_omega_eq_with_af, omega_extract_distance_vectors,
1985         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1986         ddr_consistent_p): New.
1987         (compute_affine_dependence): Check consistency of ddrs when
1988         flag_check_data_deps is passed.
1989         (analyze_all_data_dependences): Uncomment.
1990         (tree_check_data_deps): New.
1991         * tree-data-ref.h: Include omega.h.
1992         (DR_ACCESS_FNS_ADDR): Removed.
1993         (data_dependence_relation): Add inner_loop.
1994         (DDR_INNER_LOOP): New.
1995         * common.opt (fcheck-data-deps): New.
1996         * tree-flow.h (tree_check_data_deps): Declare.
1997         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1998         (OBJS-common): Depend on omega.o.
1999         (omega.o): Define.
2000         * passes.c (pass_check_data_deps): Scheduled.
2001         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2002         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2003         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2004         PARAM_VECT_MAX_VERSION_CHECKS,
2005         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2006
2007 2007-03-09  Richard Guenther  <rguenther@suse.de>
2008
2009         PR tree-optimization/30904
2010         PR middle-end/31058
2011         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2012         the same way as *_DIV_EXPR.
2013
2014 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2015
2016         * recog.c (decode_asm_operands): No mixed declarations and code.
2017
2018 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2019
2020         * rtl.def (ASM_INPUT): Add location.
2021         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2022         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2023         (decode_asm_operands): Add loc operand.
2024         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2025         * stmt.c (expand_asm): Rename to...
2026         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2027         gen_rtx_ASM_INPUT_loc.
2028         (expand_asm_expr): Adjust.
2029         * recog.c (decode_asm_operands): Add loc operand.
2030         (check_asm_operands, extract_insn): Adjust.
2031         * reload1.c (maybe_fix_stack_asms): Likewise.
2032         * final.c (asm_insn_count): Likewise.
2033         (final_scan_insn): Output # line before and after asm.
2034
2035 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2036
2037         * tree-ssa-structalias.c (variable_info): Remove
2038         finished_solution.
2039         (new_var_info): Ditto.
2040         (shared_bitmap_info_t): New structure.
2041         (shared_bitmap_table): New variable.
2042         (shared_bitmap_hash): New function.
2043         (shared_bitmap_eq): Ditto
2044         (shared_bitmap_lookup): Ditto.
2045         (shared_bitmap_add): Ditto.
2046         (merge_smts_into): Change to take bitmap directly.
2047         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2048         (init_alias_vars): Init shared bitmap hashtable.
2049         (delete_points_to_sets): Delete shared bitmap hashtable.
2050         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2051         is_aliased removal as a change that was still necessary was
2052         deleted.
2053
2054 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2055
2056         * config/i386/i386.h (override_options): Conditionally disable
2057         x86_sahf for 64bit targets only.
2058
2059 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2060
2061         PR C/31072
2062         * c-decl.c (merge_decls): Don't call make_var_volatile.
2063         * varasm.c (make_var_volatile): Remove.
2064         * output.h (make_var_volatile): Remove.
2065
2066 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2067
2068         PR tree-optimization/31085
2069         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2070
2071 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2072
2073         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2074         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2075         ATTR_CONST_NOTHROW_LIST.
2076
2077         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2078         FIX_TRUNC_EXPR.
2079
2080 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2081
2082         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2083
2084 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2085
2086         PR 31013
2087         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2088         is declared.
2089         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2090         passed, use shared libgcc.
2091
2092 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2093
2094         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2095         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2096         (honor_protect_cleanup_actions, lower_try_finally_switch):
2097         Likewise.
2098         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2099         ifc_temp_var): Likewise.
2100         * tree-inline.c (setup_one_parameter): Likewise.
2101         * tree-mudflap.c (mf_decl_cache_locals,
2102         mf_build_check_statement_for): Likewise.
2103         * tree-nested.c (init_tmp_var, save_tmp_var,
2104         finalize_nesting_tree_1): Likewise.
2105         * tree-outof-ssa.c (insert_copy_on_edge,
2106         insert_backedge_copies): Likewise.
2107         * tree-profile.c (tree_gen_edge_profiler,
2108         tree_gen_ic_profiler): Likewise.
2109         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2110         * tree-sra.c (sra_build_assignment): Likewise.
2111         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2112         * tree-ssa-math-opts.c (insert_reciprocals,
2113         execute_cse_sincos_1): Likewise.
2114         * tree-tailcall.c (adjust_accumulator_values,
2115         adjust_return_value): Likewise.
2116         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2117         * tree-vect-transform.c (vect_create_data_ref_ptr,
2118         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2119         vect_create_epilog_for_reduction, vectorizable_reduction,
2120         vectorizable_call, vectorizable_conversion,
2121         vectorizable_assignment, vectorizable_operation,
2122         vectorizable_type_demotion, vect_gen_widened_results_half,
2123         vect_permute_store_chain, vectorizable_store,
2124         vect_setup_realignment, vect_permute_load_chain,
2125         vectorizable_load, vectorizable_condition,
2126         vect_create_cond_for_align_checks): Likewise.
2127         * tree-vrp.c (build_assert_expr_for): Likewise.
2128
2129 2007-03-08  Ian Lance Taylor  <iant@google.com>
2130
2131         * tree-vrp.c: Include "intl.h".
2132         (usable_range_p): New static function.
2133         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2134         overflowed values, juts set *strict_overflow_p.
2135         (compare_values): Only return -2 if one of the operands is not a
2136         constant.
2137         (compare_ranges): Call usable_range_p.
2138         (compare_range_with_value): Likewise.
2139         (vrp_evaluate_conditional_warnv): Rename from
2140         vrp_evaluate_conditional.  Make static.  Change all callers.
2141         (vrp_evaluate_conditional): New function.
2142         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2143         on signed overflow.
2144         (simplify_abs_using_ranges): Likewise.
2145         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2146         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2147         within_stmt parameter.
2148         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2149         vrp_evaluate_conditional.
2150         * tree-ssa-threadedge.c
2151         (record_temporary_equivalences_from_stmts_at_dest): Change
2152         simplify parameter to take a second tree parameter.
2153         (simplify_control_stmt_condition): Likewise.
2154         (thread_across_edge): Likewise.
2155         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2156         (thread_across_edge): Likewise.
2157         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2158
2159 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         * config/i386/i386.h (TARGET_SAHF): New define.
2162         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2163         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2164         (x86_sahf): New global variable.
2165         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2166         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2167         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2168         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2169         for 64-bit.
2170         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2171         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2172         when expanding fcomi/sahf based tests.
2173         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2174         expanding sahf based alternative. Emit sahf based sequence when
2175         optimizing for code size.
2176         * config/i386/i386.md (x86_sahf_1): Do not disable for
2177         TARGET_64BIT, enable for TARGET_SAHF.
2178
2179 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2180
2181         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2182         spurious whitespace from error message.
2183
2184 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2185
2186         PR c++/30852
2187         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2188
2189 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2190
2191         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2192         bitfields.
2193         * tree-sra.c (instantiate_element): Propagate disabled warnings
2194         from the element itself to the created variable.
2195
2196 2007-03-07  Richard Henderson  <rth@redhat.com>
2197
2198         PR target/30848
2199         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2200         silently fix up the stack in the case of a missing register.
2201
2202 2007-03-07  Paul Brook  <paul@codesourcery.com>
2203
2204         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2205
2206 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2207
2208         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2209         New.
2210         (phase1_vrs): Use them.
2211         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2212         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2213         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2214         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2215         __gnu_Unwind_Restore_WMMXC if required.
2216         (_Unwind_VRS_Pop): Implement iWMMXt support.
2217         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2218         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2219         gnu_Unwind_Save_WMMXC): Define.
2220
2221 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2222
2223         * config/vxworks.h (vxworks_override_options): Declare.
2224         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2225         * config/vxworks.c: Include target.h and toplev.h.
2226         (vxworks_override_options): New function.
2227         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2228
2229 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2230
2231         * config/s390/s390.c (override_options): Don't emit an error when
2232         -mstack-size is used without providing -mstack-guard.
2233         (s390_emit_prologue): Choose stack_guard value automatically if not
2234         provided via command line.
2235         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2236
2237 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2238
2239         * config/i386/i386.c (output_set_got): Add a GOT initialization
2240         sequence for VxWorks PIC.
2241         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2242         around labels as well as symbols.  Use gotoff_operand instead
2243         of local_symbolic_operand.
2244         (legitimize_pic_address): Use gotoff_operand instead of
2245         local_symbolic_operand.  Use @GOT accesses for labels as
2246         well as symbols.
2247         (ix86_output_addr_diff_elt): Use PC-relative rather than
2248         GP-relative offsets for VxWorks PIC.
2249         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2250         no_new_pseudos.  Check whether the returned register is op0.
2251         * config/i386/i386.md (tablejump): Use PC-relative rather than
2252         GP-relative offsets for VxWorks PIC.
2253         * config/i386/predicates.md (gotoff_operand): New predicate.
2254
2255 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2256
2257         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2258         before defining.
2259         * config/vxworks-dummy.h: New file.
2260         * config/i386/i386.h: Include it.
2261
2262 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2263
2264         * dwarf2out.c (is_inlined_entry_point): New
2265         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2266         DW_AT_ranges if the first subblock is the entry point.
2267
2268 2007-03-06  David Daney  <ddaney@avtrex.com>
2269
2270         * doc/install.texi (mips-*-*): Change recommended binutils
2271         version.
2272
2273 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2274
2275         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2276         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2277         devices.
2278         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2279         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2280
2281 2007-03-06  Jan Hubicka  <jh@suse.cz>
2282
2283         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2284         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2285         are hot.
2286         (probably_cold_bb_p): Cold functions are cold.
2287         (probably_never_executed_bb_p): Cold functions are cold.
2288         (tree_bb_level_predictions): Predict calls to cold functions as not
2289         taken.
2290         (compute_function_frequency): Check hot/cold attributes.
2291         * function.h (function_frequency): Update comments.
2292         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2293         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2294         (c_common_att): Add cold and hot.
2295
2296         * doc/extend.texi (hot,cold attributes): Document.
2297
2298 2007-03-06  Andrew Haley  <aph@redhat.com>
2299
2300         * function.c (expand_function_end): Move blockage to just after we
2301         emit the label for the naked return from the function.
2302
2303 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2304
2305         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2306         before redefining.
2307
2308 2007-03-06  Jan Hubicka  <jh@suse.cz>
2309
2310         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2311         loaded for constant large models.  Non-large 64bit PIC can do.
2312         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2313         * cmodel.h: Add LARGE PIC.
2314         * i386.md (UNSPEC_PLTOFF): New.
2315         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2316         needed.
2317         (*call_1_rex64): Disable for large models.
2318         (*call_1_rex64_large): New.
2319         (*call_value_1_rex64): Disable for large models.
2320         (*call_value_1_rex64_large): New.
2321         (set_rip_rex4): New.
2322         (set_got_offset_rex64): New.
2323         * predicates.md (constant_call_address_operand): For large model
2324         constant calls are not possible.
2325         * i386-protos.h (construct_plt_address): Declare.
2326         * i386.c (override_options): Accept large models.
2327         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2328         (legitimate_constant_p): Add new UNSPECs.
2329         (legitimate_pic_operand_p): Likewise.
2330         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2331         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2332         non-large model.
2333         (output_pic_addr_const): Add PLTOFF.
2334         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2335         (ix86_expand_move): Legitimize pic address when in PIC mode.
2336         (construct_plt_address): New function.
2337         (ix86_expand_call): Offload the address to register and use GOT pointer
2338         for large model.
2339         * invoke.texi (mcmodel=large): Update documentation.
2340
2341 2007-03-06  Richard Henderson  <rth@redhat.com>
2342
2343         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2344         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2345         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2346         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2347         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2348         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2349         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2350         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2351         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2352         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2353         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2354         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2355         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2356         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2357         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2358         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2359         x86_schedule, x86_use_bt, x86_pad_returns,
2360         x86_use_xchgb): Merge into ...
2361         (ix86_tune_features): ... here.  New array.
2362         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2363         x86_bswap): Merge into ...
2364         (ix86_arch_features): ... here.  New array.
2365         (x86_3dnow_a): Remove.
2366         (x86_accumulate_outgoing_args): Make static.
2367         (x86_arch_always_fancy_math_387): Make static.
2368         (ix86_tune_mask, ix86_arch_mask): Move ...
2369         (override_options): ... to local variables here.  Apply the
2370         appropriate mask to each element of ix86_arch_features and
2371         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2372         as were done in the old macros.
2373         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2374         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2375         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2376         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2377         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2378         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2379         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2380         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2381         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2382         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2383         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2384         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2385         x86_accumulate_outgoing_args, x86_prologue_using_move,
2386         x86_epilogue_using_move, x86_decompose_lea,
2387         x86_arch_always_fancy_math_387, x86_shift1,
2388         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2389         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2390         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2391         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2392         x86_use_incdec, x86_pad_returns, x86_bswap,
2393         x86_partial_flag_reg_stall): Remove.
2394         (enum ix86_tune_indices): New.
2395         (ix86_tune_features): New.
2396         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2397         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2398         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2399         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2400         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2401         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2402         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2403         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2404         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2405         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2406         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2407         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2408         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2409         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2410         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2411         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2412         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2413         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2414         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2415         TARGET_EXT_80387_CONSTANTS): Use it.
2416         (enum ix86_arch_indices): New.
2417         (ix86_arch_features): New.
2418         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2419         TARGET_BSWAP): Use it.
2420         (ix86_tune_mask, ix86_arch_mask): Remove.
2421
2422 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2423
2424         PR bootstrap/31020
2425         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2426         Define using $${sysroot_headers_suffix}.
2427         * configure: Regenerate.
2428         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2429         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2430         defined.
2431         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2432         * gcc.c (print_sysroot_headers_suffix): New.
2433         (option_map): Include --print-sysroot-headers-suffix.
2434         (display_help): Mention -print-sysroot-headers-suffix.
2435         (process_command): Handle -print-sysroot-headers-suffix.
2436         (do_spec_1): Append multilib directory to include-fixed path if
2437         sysroot suffixes in use.
2438         (main): Handle -print-sysroot-headers-suffix.
2439         * Makefile.in (start.encap): Don't depend on xlimits.h
2440         (xlimits.h): Remove.
2441         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2442         limits.h for each multilib in fixinc_list.
2443         (fixinc_list, s-fixinc_list): New.
2444         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2445         generate them for each multilib in fixinc_list.
2446         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2447         multilib in fixinc_list.
2448         (mostlyclean): Don't remove xlimits.h.
2449         (clean): Remove include-fixed.
2450         (real-install-headers-tar, real-install-headers-cpio,
2451         real-install-headers-cp): Don't copy include, only include-fixed.
2452         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2453         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2454         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2455         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2456
2457 2007-03-06  Jan Hubicka  <jh@suse.cz>
2458
2459         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2460         NANs easilly.
2461
2462 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2463
2464         * configure.ac: Allow tm_file to contain build-directory files.
2465         * configure: Regenerate.
2466         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2467         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2468         * config/m68k/print-sysroot-suffix.sh: New file.
2469
2470 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2471
2472         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2473         of pic_offset_table_rtx if reload_completed.
2474         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2475         PIC_OFFSET_TABLE_REGNUM.
2476         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2477         return true.
2478         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2479         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2480
2481 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2482
2483         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2484         functions that call eh_return.
2485
2486 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2487
2488         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2489         functions that need a constant pool.
2490
2491 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2492
2493         PR target/28181
2494         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2495         (m68k_preferred_reload_class): Likewise.
2496         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2497         (SECONDARY_RELOAD_CLASS): Define.
2498         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2499         (LIMIT_RELOAD_CLASS): Delete.
2500         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2501         registers from storing bytes.
2502         (m68k_secondary_reload_class): New function.
2503         (m68k_preferred_reload_class): Likewise.
2504
2505 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2506
2507         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2508         leaf functions.
2509         (m68k_expand_prologue): Likewise.
2510
2511 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2512
2513         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2514         (mips_expand_epilogue): Add a bool parameter.
2515         (m68k_legitimize_sibcall_address): Declare.
2516         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2517         (m68k_expand_epilogue): Add a parameter to select between sibling
2518         and normal epilogues.  Only generate a return for the latter.
2519         (m68k_ok_for_sibcall_p): New function.
2520         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2521         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2522         (sibcall_value, *sibcall_value): Likewise.
2523         (*call, *call_value): Require !SIBLING_CALL_P.
2524         (epilogue): Update call to m68k_expand_epilogue.
2525         (sibcall_epilogue): New pattern.
2526         * config/m68k/predicates.md (const_call_operand): Say that this
2527         predicate applies to sibling calls too.
2528         (sibcall_operand): New predicate.
2529
2530 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2531
2532         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2533         alternatives as movsi_cf.
2534         (movsf_cf_hard): Add commentary.
2535
2536 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2537             Richard Sandiford  <richard@codesourcery.com>
2538
2539         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2540         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2541         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2542         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2543         as being live on exit from an interrupt function.
2544         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2545         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2546         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2547         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2548         (m68k_interrupt_function_p): Globalize.
2549         (m68k_compute_frame_layout): Remove reverse mask code.
2550         (m68k_emit_movem, m68k_set_frame_related): New functions.
2551         (m68k_output_function_prologue): Delete in favor of...
2552         (m68k_expand_prologue): ...this new function.
2553         (m68k_output_function_epilogue): Delete in favor of...
2554         (m68k_expand_epilogue): ...this new function.
2555         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2556         functions.
2557         (print_operand): Handle %?.
2558         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2559         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2560         (prologue, epilogue): New patterns.
2561         (return): Turn into a define_expand.
2562         (*return): New pattern, derived from old "return" pattern.  Use rte
2563         rather than rts for interrupt functions.  Only use rtd if the pop
2564         count is nonzero.
2565         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2566         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2567         (link, *link, unlink, *unlink, load_got): Likewise.
2568
2569 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2570
2571         PR target/23482
2572         PR target/17114
2573         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2574         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2575         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2576         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2577         and m68k_matches_u_p.
2578         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2579         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2580         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2581         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2582         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2583         (REG_STRICT_P): New macro.
2584         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2585         PCREL_GENERAL_OPERAND_OK.
2586         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2587         m68k_legitimate_base_reg_p.
2588         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2589         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2590         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2591         * config/m68k/m68k.c (m68k_address): New structure.
2592         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2593         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2594         (m68k_jump_table_ref_p, m68k_decompose_address)
2595         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2596         (m68k_matches_u_p): New functions.
2597         (print_operand_address): Rewrite to use m68k_decompose_index.
2598
2599 2007-03-05  David Taylor  <dtaylor@emc.com>
2600
2601         * gcc.c: Correct copyright date in --version output.
2602
2603 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2604
2605         * pa.md: In unamed move patterns, disparge copies between general
2606         and floating point registers using '?' modifier.  Don't include 'f'
2607         constraint for register preferences in DImode, SImode, HImode and
2608         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2609         Remove constraints for copies between general and floating registers
2610         in soft-float DFmode pattern.
2611         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2612         floating register.
2613         (movsf): Likewise.
2614
2615 2007-03-05  Mike Stump  <mrs@apple.com>
2616
2617         * c-common.c (targetcm): Add.
2618         * c-opts.c (c_common_handle_option): Handle language specific
2619         target options.
2620         * opts.c (handle_option): Verify language for target options, if
2621         any are given.
2622         * opth-gen.awk: Add CL_LANG_ALL.
2623         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2624         (TARGETCM_INITIALIZER): Add.
2625         * target.h (struct gcc_targetcm): Add.
2626         (targetcm): Add.
2627         * targhooks.c (default_handle_c_option): Add.
2628         * targhooks.h (default_handle_c_option): Add.
2629         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2630
2631         * config/darwin.opt (iframework): Add.
2632         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2633         * config/darwin-c.c (handle_c_option): Add.
2634         (TARGET_HANDLE_C_OPTION): Add.
2635         (targetcm): Add.
2636         * doc/invoke.texi (Darwin Options): Add -iframework.
2637
2638 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2639
2640         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2641         conversion.
2642
2643 2007-03-05  Ian Lance Taylor  <iant@google.com>
2644
2645         * c.opt (fgnu89-inline): New option.
2646         * c-opts.c (c_common_post_options): Set default value for
2647         flag_gnu89_inline.
2648         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2649         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2650         inline functions.
2651         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2652         (grokdeclarator, start_function): Likewise.
2653         * c-cppbuiltin.c (c_cpp_builtins): Define either
2654         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2655         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2656         (C Dialect Options): Document -fgnu89-inline.
2657         * doc/extend.texi (Function Attributes): Explain what the
2658         gnu_inline attribute does.
2659         * doc/cpp.texi (Common Predefined Macros): Document
2660         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2661
2662 2007-03-05  Ian Lance Taylor  <iant@google.com>
2663
2664         PR tree-optimization/31034
2665         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2666         half-range if the other side is an overflow infinity.
2667
2668 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2669
2670         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2671         (bfin*-linux-uclibc*): New configuration.
2672         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2673         defining.
2674         * config/bfin/linux.h: New file.
2675         * config/bfin/libgcc-bfin.ver: New file.
2676         * config/bfin/t-bfin-uclinux: New file.
2677         * config/bfin/t-bfin-linux: New file.
2678         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2679         (TARGET_OS_CPP_BUILTINS): New macro.
2680
2681 2007-03-05  Richard Guenther  <rguenther@suse.de>
2682
2683         * fold-const.c (fold_binary): Remove duplicate folding
2684         of comparison of non-null ADDR_EXPR against null.
2685
2686 2007-03-05  Richard Guenther  <rguenther@suse.de>
2687             Dorit Nuzman  <dorit@il.ibm.com>
2688
2689         PR tree-optimization/26420
2690         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2691         are no loops in the function.  Only print the number of
2692         vectorized loops if it is greater than zero or we are supposed
2693         to print information about unvectorized loops.
2694
2695 2007-03-05  Revital Eres  <eres@il.ibm.com>
2696
2697         * gcc.dg/var-expand1.c: New test.
2698         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2699         when an accumulator is expanded.
2700
2701 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2702
2703         PR other/30465
2704         * c-common.c (convert_and_check): Don't give warnings for
2705         conversion if 'expr' already overflowed.
2706
2707 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2708
2709         PR middle-end/30744
2710         * fold-const.c (fold_comparison): Enforce type consistency when
2711         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2712
2713 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2714
2715         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2716         containing a cast to the base of TARGET_MEM_REF.
2717
2718 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2719
2720         * tree.c (tree_contains_struct_check_failed): Remove spurious
2721         whitespace from error message.
2722
2723 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2724
2725         PR target/30406
2726         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2727         instead of precision.
2728
2729 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2730             Nathan Sidwell  <nathan@codesourcery.com>
2731
2732         * emit-rtl.c (find_auto_inc): New.
2733         (try_split): recreate REG_INC notes,
2734         Use regular for loops rather than whiles.
2735
2736 2007-03-03  Andreas Schwab  <schwab@suse.de>
2737
2738         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2739         * configure: Regenerate.
2740
2741 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2742
2743         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2744         flag_rounding_math, not flag_unsafe_math_optimizations.
2745
2746         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2747         fold_build2.
2748         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2749         alpha_fold_vector_minmax): Likewise.
2750         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2751         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2752
2753 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2754
2755         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2756         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2757         if the lhs has side-effects.
2758         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2759
2760 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2761
2762         * config/i386/i386.h (TUNEMASK): Remove define.
2763         (ARCHMASK): Remove define.
2764         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2765          Use ix86_arch_mask variable instead of ARCHMASK.
2766         * config/i386/i386.c (override_options): Ditto.
2767         (standard_80387_constant_p): Ditto.
2768
2769 2007-03-02  Ian Lance Taylor  <iant@google.com>
2770
2771         Used signed infinities in VRP.
2772         * tree-vrp.c (uses_overflow_infinity): New static function.
2773         (supports_overflow_infinity): New static function.
2774         (make_overflow_infinity): New static function.
2775         (negative_overflow_infinity): New static function.
2776         (positive_overflow_infinity): New static function.
2777         (is_negative_overflow_infinity): New static function.
2778         (is_positive_overflow_infinity): New static function.
2779         (is_overflow_infinity): New static function.
2780         (overflow_infinity_range_p): New static function.
2781         (compare_values_warnv): New function split out of compare_values.
2782         (compare_value): Call it.
2783         (set_value_range_to_nonnegative): Add overflow_infinity
2784         parameter.  Change caller.
2785         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2786         Change callers.
2787         (vrp_expr_computes_nonzero): Likewise.
2788         (compare_ranges, compare_range_with_value): Likewise.
2789         (compare_name_with_value, compare_names): Likewise.
2790         (vrp_evaluate_conditional): Likewise.
2791         (set_value_range): Handle infinity
2792         (vrp_operand_equal_p, operand_less_p): Likewise.
2793         (extract_range_from_assert): Likewise.
2794         (vrp_int_const_binop): Likewise.
2795         (extract_range_from_binary_expr): Likewise.
2796         (extract_range_from_unary_expr): Likewise.
2797         (extract_range_from_comparison): Likewise.
2798         (extract_range_from_expr): Likewise.
2799         (dump_value_range): Likewise.
2800         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2801         (test_for_singularity): Likewise.
2802         (vrp_int_const_binop): Remove inline qualifier.
2803         (adjust_range_with_scev): Add comment.
2804         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2805
2806 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2807
2808         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2809         (get_constraint_for): Likewise.
2810         (do_structure_copy): Likewise.
2811         (find_func_aliases): Fix references to MODIFY_EXPR.
2812         (intra_create_variable_infos): Tidy.
2813         * tree-ssa-operands.c (add_virtual_operand): Add argument
2814         IS_CALL_SITE.
2815         When adding members of alias sets, if IS_CALL_SITE is true and
2816         the symbol is not call-clobbered, skip it.
2817         Adjust all callers.
2818
2819 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2820
2821         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2822         entry by means of emit_insn_at_entry.
2823
2824 2007-03-02  Richard Henderson  <rth@redhat.com>
2825
2826         * expr.h (promoted_input_arg): Remove decl.
2827         * function.c (promoted_input_arg): Merge into ...
2828         * combine.c (setup_incoming_promotions): ... only caller.
2829         Rearrange to avoid double loop.
2830
2831 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2832             Peter Bergner  <bergner@vnet.ibm.com>
2833             Janis Johnson  <janis187@us.ibm.com>
2834
2835         * config/rs6000/dfp.md: New file.
2836         * config/rs6000/rs6000.md: Include dfp.md.
2837         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2838         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2839         and TDmode decimal float modes in FP registers.
2840         (num_insns_constant): Likewise.
2841         (rs6000_legitimate_offset_address_p): Likewise.
2842         (rs6000_legitimize_address): Likewise.
2843         (rs6000_legitimize_reload_address): Likewise.
2844         (rs6000_legitimate_address): Likewise.
2845         (rs6000_emit_move): Likewise.
2846         (function_arg_boundary): Likewise.
2847         (function_arg_advance): Likewise.
2848         (rs6000_darwin64_record_arg_recurse): Likewise.
2849         (function_arg): Likewise.
2850         (rs6000_gimplify_va_arg): Likewise.
2851         (rs6000_split_multireg_move): Likewise.
2852         (rs6000_output_function_epilogue): Likewise.
2853         (rs6000_output_function_epilogue): Likewise.
2854         (rs6000_register_move_cost): Likewise.
2855         (rs6000_function_value): Likewise.
2856         (rs6000_libcall_value): Likewise.
2857
2858 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2859
2860         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2861
2862 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2863
2864         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2865         Use $MULTIDIR to choose between the kernel and RTP headers,
2866         and use $WIND_BASE and $WIND_USR to locate them.
2867
2868 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2869
2870         * config/i386/i386.c (override_options): Put initialization of
2871         ix86_tune_mask and ix86_arch_mask to the correct place.
2872
2873 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2874             Michael Meissner  <michael.meissner@amd.com>
2875
2876         PR target/31019
2877         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2878         (ARCHMASK): Define.
2879         (TARGET_CMOVE): Use ARCHMASK.
2880         (TARGET_CMPXCHG): Ditto.
2881         (TARGET_CMPXCHG8B): Ditto.
2882         (TARGET_XADD): Ditto.
2883         (TARGET_BSWAP): Ditto.
2884         * config/i386/i386.c (ix86_tune_mask): New global variable.
2885         (ix86_arch_mask): Ditto.
2886         (override_options): Initialize ix86_tune_mask and
2887         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2888         target_flags.
2889
2890 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2891
2892         PR 30992
2893         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2894
2895 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2896
2897         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2898         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2899         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2900         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2901         hook.
2902         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2903         rs6000_init_dwarf_reg_sizes_extra): New.
2904         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2905         SPE register high parts.
2906
2907 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2908
2909         * Makefile.in: Add install-pdf target as
2910         copied from automake v1.10 rules.
2911         * configure.ac: Add install-pdf to target list.
2912         * configure: Regenerate.
2913
2914 2007-03-01  Paul Brook  <paul@codesourcery.com>
2915
2916         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2917         modes to LDRD for DImode.
2918         (output_move_double): Fixup out of range ldrd/strd.
2919         (vfp_secondary_reload_class): Rename...
2920         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2921         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2922         coproc_secondary_reload_class for CLASS_IWMMXT.
2923         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2924         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2925
2926 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2927
2928         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2929         factor by the estimated number of iterations.
2930         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2931         prefetch latency.
2932
2933         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2934         decode_caches_intel, detect_caches_intel): New functions.
2935         (host_detect_local_cpu): Use detect_caches_amd and
2936         detect_caches_intel.
2937
2938 2007-03-01  Richard Henderson  <rth@redhat.com>
2939
2940         * expr.c (emit_move_complex_push): Export.
2941         (emit_move_complex_parts): Split out from ...
2942         (emit_move_complex): ... here.
2943         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2944         * config/i386/i386.md (movcdi): New.
2945
2946 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2947
2948         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2949         size of mode1 to check for tieable modes in MMX case.
2950
2951 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2952
2953         * Makefile.in (rtlanal.o): Depend on tree.h.
2954         * rtl.h (offset_within_section_p, split_const): Declare.
2955         * rtlanal.c: Include tree.h.
2956         (offset_within_block_p): New function, taken from
2957         mips_offset_within_object_p.
2958         (split_const): New function, taken from mips_split_const.
2959         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2960         Declare.
2961         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2962         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2963         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2964         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2965         (m68k_illegitimate_symbolic_constant_p): New function.
2966         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2967         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2968         symbolic constant that might be outside the symbol's section,
2969         move the symbol first and then add the offset.
2970         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2971         Override.
2972         * config/mips/mips.c (mips_split_const): Delete.
2973         (mips_offset_within_object_p): Delete.
2974         (mips_symbolic_constant_p): Use offset_within_section_p and
2975         split_const instead of mips_offset_within_object_p and
2976         mips_split_const.
2977         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2978         (mips_legitimize_const_move, print_operand_reloc)
2979         (mips_dangerous_for_la25_p): Use split_const instead of
2980         mips_split_const.
2981
2982 2007-02-28  Eric Christopher  <echristo@apple.com>
2983
2984         * Makefile.in (install-include-dir): Don't rm -rf include.
2985
2986 2007-02-28  Richard Guenther  <rguenther@suse.de>
2987
2988         PR middle-end/30364
2989         * fold-const.c (fold_binary): Do not associate expressions
2990         with more than one variable for integer types that do not wrap.
2991
2992 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2993
2994         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2995         Delete, and replace with...
2996         (fold_builtin_call_array): This.  Update callers to use it.
2997         * fold-const.c (fold_build_call_list): Delete, and replace with...
2998         (fold_build_call_array): This.
2999         (fold_build_call_list_initializer): Delete, and replace with...
3000         (fold_build_call_array_initializer): This.
3001         * tree.h: Update declarations to reflect above changes.
3002
3003         * c-typeck.c (build_function_call): Store converted arguments
3004         in a stack-allocated array instead of building a list.
3005         (convert_arguments): Store arguments in the array passed in as an
3006         argument, and return the actual number of arguments.
3007         * c-format.c: (check_function_format): Pass arguments in an
3008         array instead of a list.
3009         * c-common.c (check_function_nonnull): Likewise.
3010         (check_function_sentinel): Likewise.
3011         (check_function_arguments): Likewise.
3012         * c-common.h: Update declarations to reflect above changes.
3013
3014 2007-02-28  Jan Hubicka  <jh@suse.cz>
3015
3016         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3017         PRED_NEGATIVE_RETURN): Update outcomes.
3018
3019 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3020
3021         * calls.c (emit_library_call_value_1): Handle partial registers
3022         correctly when building up CALL_INSN_FUNCTION_USAGE.
3023
3024 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3025
3026         * pa/predicates.md (move_src_operand): Allow zero for mode.
3027         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3028         move pattern.
3029
3030 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3031
3032         PR target/30970
3033         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3034         *movv2df_internal): Enable pattern only for valid operand
3035         combinations.
3036         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3037         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3038
3039 2007-02-27  Mike Stump  <mrs@apple.com>
3040
3041         * config/darwin-crt3.c: Avoid compilation when compiling for a
3042         kext multilib.
3043
3044 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3045
3046         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3047         FIXED_INCLUDE_DIR.
3048         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3049         for fixed headers and limits.h.
3050         (install-include-dir, install-headers-tar, install-headers-cpio,
3051         install-headers-cp, real-install-headers-tar,
3052         real-install-headers-cpio, real-install-headers-cp): Handle
3053         include-fixed as well as include.
3054         (install-mkheaders): Don't install files that go only in include
3055         not include-fixed.
3056         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3057         from GCC_INCLUDE_DIR.
3058         * gcc.c (process_command): Remove special -BstageN/ handling.
3059         (do_spec_1): Add include-fixed directories.
3060
3061 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3062
3063         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3064         _smulsi3_highpart.
3065         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3066         New functions.
3067         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3068         patterns.
3069
3070 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3071
3072         * c-common.c (get_priority): Add check for
3073         SUPPORTS_INIT_PRIORITY.
3074
3075 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3076
3077         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3078
3079         * config/bfin/bfin.c: Include "cfglayout.h".
3080         (MAX_LSETUP_DISTANCE): New macro.
3081         (struct loop_info): New members incoming, incoming_src and
3082         incoming_dest.  Delete member predecessor.
3083         (length_for_loop): New function.
3084         (bfin_optimize_loop): Handle more different loop structures.
3085         (bfin_discover_loop): Rework detection of predecessor blocks by
3086         examining incoming edges.
3087         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3088         bfin_reorg_loops.
3089         (bfin_reorder_loops): New function.
3090         (bfin_reorg_loops): Use these three new functions.
3091
3092         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3093         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3094         (CONSTRAINT_LEN): Add entry for 'q'.
3095         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3096         Add 'q' constraints.
3097         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3098         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3099
3100         * config/bfin/bfin.md (add_with_carry): New pattern.
3101         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3102         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3103         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3104         support unsigned multiplies too.  Removed incorrect commutativity from
3105         operand 1 constraint where appropriate.
3106         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3107         patterns.
3108         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3109         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3110         New patterns.
3111         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3112         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3113         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3114         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3115         usmulhisi_hh_huh): New patterns.
3116
3117         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3118         lshifthi3): Fix output template to use half reg for operand 2.
3119
3120         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3121         instead of R2.
3122
3123         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3124
3125 2007-02-27  Andreas Schwab  <schwab@suse.de>
3126
3127         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3128
3129 2007-02-27  Jan Hubicka  <jh@suse.cz>
3130
3131         * predict.c (last_basic_block_p): Remove.
3132         (tree_estimate_probability): Update return heuristic for commonized
3133         return blocks.
3134
3135 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3136
3137         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3138
3139 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3140
3141         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3142         * doc/cpp.texi: Standardize title page.
3143         * doc/cppinternals.texi: Likewise.
3144         * doc/gcc.texi: Standardize title page, remove version number
3145         from copyright page.
3146         * doc/gccint.texi: Likewise.
3147         * doc/install.texi: Standardize title page, add table of
3148         contents.
3149
3150 2007-02-26  Jan Hubicka  <jh@suse.cz>
3151
3152         * predict.def: Set outcomes according to more recent results.
3153         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3154         Remove dead predictors.
3155         * predict.c (return_prediction): Fix pasto.
3156
3157 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3158
3159         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3160         change; avoid a memory leak when returning early.
3161
3162 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3163
3164         * c-decl.c (static_ctors): Move to c-common.c.
3165         (static_dtors): Likewise.
3166         (finish_function): Use c_record_cdtor_fn.
3167         (build_cdtor): Move to c-common.c.
3168         (c_write_global_declarations): Use c_build_cdtor_fns.
3169         * c-common.h (static_ctors): Declare.
3170         (static_dtors): Likewise.
3171         (c_record_cdtor_fn): Likewise.
3172         (c_build_cdtor_fns): Likewise.
3173         * c-common.c (static_ctors): New variable.
3174         (static_dtors): Likewise.
3175         (c_record_cdtor_fn): New function.
3176         (build_cdtor): Move from c-decl.c
3177         (c_build_cdtor_fns): New function.
3178
3179         * output.h (assemble_addr_to_section): Declare.
3180         (get_cdtor_priority_section): Likewise.
3181         * varasm.c (assemble_addr_to_section): New function.
3182         (get_cdtor_priority_section): Likewise.
3183         (default_named_section_asm_out_destructor): Use them.
3184         (destor_dtor_section_asm_out_destructor): Likewise.
3185         (default_named_section_asm_out_constructor): Likewise.
3186         (default_ctor_section_asm_out_constructor): Likewise.
3187         * config.gcc (*-*-vxworks*): Include vxworks.o.
3188         * config/t-vxworks (vxworks.o): New target.
3189         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3190         (TARGET_ASM_CONSTRUCTOR): Define.
3191         (TARGET_ASM_DESTRUCTOR): Likewise.
3192         (vxworks_asm_out_constructor): Declare.
3193         (vxworks_asm_out_destructor): Likewise.
3194
3195         * c-common.c (get_priority): Check that we have not just an
3196         INTEGER_CST, but an integer constant with integeral type.
3197
3198 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3199
3200         PR tree-optimization/30938
3201         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3202         use &dt[nargs-1] instead of &dt[nargs] in the call to
3203         vect_is_simple_use().
3204
3205 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3206
3207         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3208         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3209         Do not attempt to handle MEM inside auto-inc expressions.
3210         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3211         of a register modified by an auto-inc expression.  However, do handle
3212         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3213         (elimination_effects): Prohibit elimination of a register modified
3214         by an auto-inc expression.  Disable register elimination rules whose
3215         target register is modified by an auto-inc expression with variable
3216         increment.
3217
3218 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3219
3220         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3221         off-by-one error.
3222         (array_at_struct_end_p): New function.
3223         (idx_infer_loop_bounds): Use it.
3224         (estimate_numbers_of_iterations_loop): Export.
3225         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3226         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3227         (tree_estimate_probability): Call record_loop_exits.
3228         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3229         (estimated_loop_iterations, estimated_loop_iterations_int,
3230         estimated_loop_iterations_tree): New functions.
3231         (analyze_siv_subscript_cst_affine,
3232         compute_overlap_steps_for_affine_1_2,
3233         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3234         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3235         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3236         (PRED_LOOP_ITERATIONS_GUESSED): New.
3237         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3238         * cfgloop.h (estimate_numbers_of_iterations_loop,
3239         estimated_loop_iterations_int): Declare.
3240
3241 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3242
3243         * doc/extend.texi: Document optional priority argument to
3244         constructors and destructors.
3245         * tree.c (init_priority_for_decl): Adjust GTY markers.
3246         (init_ttree): Use priority-info hash functions for
3247         init_priority_for_decl.
3248         (tree_map_eq): Rename to ...
3249         (tree_map_base_eq): ... this.
3250         (tree_map_marked_p): Rename to ...
3251         (tree_map_base_marked_p): ... this.
3252         (tree_map_base_hash): New function.
3253         (decl_init_priority_lookup): Rework.
3254         (decl_fini_priority_lookup): New function.
3255         (decl_priority_info): New function.
3256         (decl_init_priority_insert): Use it.
3257         (decl_fini_priority_insert): Likewise.
3258         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3259         hierarchy.
3260         (decl_restrict_base_insert): Likewise.
3261         (decl_debug_expr_insert): Likewise.
3262         (decl_value_expr_lookup): Likewise.
3263         (decl_value_expr_insert): Likewise.
3264         * tree.h (priority_type): New type.
3265         (decl_init_priority_lookup): Use priority_type.
3266         (decl_fini_priority_lookup): New function.
3267         (decl_init_priority_insert): Use priority_type.
3268         (decl_fini_priority_insert): New function.
3269         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3270         (DECL_INIT_PRIORITY): Likewise.
3271         (SET_DECL_INIT_PRIORITY): Add comment.
3272         (DECL_FINI_PRIORITY): New macro.
3273         (SET_DECL_FINI_PRIORITY): Likewise.
3274         (DEFAULT_INIT_PRIORITY): Document.
3275         (MAX_INIT_PRIORITY): Likewise.
3276         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3277         (tree_map_base): New type.
3278         (tree_map_base_eq): New function.
3279         (tree_map_base_hash): Likewise.
3280         (tree_map_base_marked_p): Likewise.
3281         (tree_map): Inherit from tree_map_base.
3282         (tree_map_eq): Make it a macro.
3283         (tree_map_marked_p): Likewise.
3284         (tree_int_map): Inherit from tree_map_base.
3285         (tree_int_map_eq): Make it a macro.
3286         (tree_int_map_hash): Likewise.
3287         (tree_int_map_marked_p): Likewise.
3288         (tree_priority_map): New type.
3289         (tree_priority_map_eq): New macro.
3290         (tree_priority_map_hash): Likewise.
3291         (tree_priority_map_marked_p): Likewise.
3292         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3293         hierarchy.
3294         (emutls_common_1): Likewise.
3295         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3296         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3297         of tree_map hierarchy.
3298         * tree-cfg.c (move_stmt_r): Likewise.
3299         (new_label_mapper): Likewise.
3300         * c-tree.h (c_expand_body): Move to ...
3301         * c-common.h (c_expand_body): ... here.
3302         * c-decl.c (c_expand_body): Move to ...
3303         * c-common.c (c_expand_body): ... here.
3304         (c_common_attribute_table): Allow 1 argument for the constructor
3305         and destructor attributes.
3306         (get_priority): New function.
3307         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3308         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3309
3310 2007-02-24  Jan Hubicka  <jh@suse.cz>
3311
3312         PR middle-end/30509
3313         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3314
3315 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3316             Jan Hubicka  <jh@suse.cz>
3317
3318         PR target/30778
3319         * i386.c (counter_mode): New function.
3320         (expand_set_or_movmem_via_loop): Use it.
3321         (expand_movmem_epilogue): Likewise; fix pasto.
3322         (ix86_expand_movmem): Do emit guard even for constant counts.
3323         (ix86_expand_setmem): Likewise.
3324
3325 2007-02-25  Nick Clifton  <nickc@redhat.com>
3326
3327         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3328         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3329
3330 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3331
3332         PR target/30770
3333         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3334         count argument with 0x10, not with 0x16.
3335         (expand_setmem_epilogue): Ditto.
3336
3337 2007-02-24  Mike Stump  <mrs@apple.com>
3338
3339         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3340         symbols.
3341
3342 2007-02-24  Richard Guenther  <rguenther@suse.de>
3343
3344         PR middle-end/30951
3345         * fold-const.c (fold_binary): Fold x +- CST op x for
3346         EQ_EXPR and NE_EXPR.
3347
3348 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3349
3350         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3351
3352 2007-02-24  Jan Hubicka  <jh@suse.cz>
3353
3354         * cgraphunit.c (decide_is_function_needed): Honor
3355         -fkeep-inline-functions.
3356
3357 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3358
3359         * builtins.c (fold_builtin_modf): New.
3360         (fold_builtin_2): Use it.
3361
3362 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3363
3364         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3365         (determine_max_iter): Take additional LOOP arg; all callers changed.
3366         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3367         one using simplifications.
3368         (simplify_using_initial_values): Return if the expression becomes
3369         invalid due to altered regs.
3370
3371 2007-02-23  DJ Delorie  <dj@redhat.com>
3372
3373         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3374
3375 2007-02-23  Mike Stump  <mrs@apple.com>
3376
3377         * tlink.c (scan_linker_output): Parse linker messages from
3378         darwin9's linker better.
3379
3380 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3381
3382         PR debug/29614
3383         * varpool.c (varpool_assemble_pending_decls):  Set
3384         varpool_last_needed_node to null.
3385
3386 2007-02-23  DJ Delorie  <dj@redhat.com>
3387
3388         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3389         alignment bigger than the object file can handle.
3390
3391 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3392
3393         PR target/30825
3394         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3395         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3396         (*movsf_1): Penalize MMX moves.
3397
3398 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3399
3400         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3401         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3402
3403         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3404
3405 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3406
3407         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3408         (fold_builtin_1): Use them.
3409         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3410         BUILT_IN_SIGNIFICAND.
3411
3412 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3413
3414         * config/i386/i386.c (bdesc_1arg): Initialize
3415         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3416         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3417         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3418         and IX86_BUILTIN_MOVSLDUP.
3419
3420 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3421
3422         PR rtl-optimization/30841
3423         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3424
3425 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3426
3427         * builtins.c (fold_builtin_frexp): New.
3428         (fold_builtin_2): Use it.
3429
3430 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3431
3432         * doc/invoke.texi (Spec Files): Document getenv spec function.
3433
3434         * gcc.c (getenv_spec_function): New function.
3435         (static_spec_functions): Add it.
3436         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3437         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3438         header files.
3439
3440 2007-02-22  Michael Matz  <matz@suse.de
3441
3442         PR c++/29433
3443         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3444         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3445
3446 2007-02-22  Ian Lance Taylor  <iant@google.com>
3447
3448         PR debug/30898
3449         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3450         (mem_loc_descriptor): Call it.
3451
3452 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3453             Ira Rosen  <irar@il.ibm.com>
3454
3455         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3456
3457 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3458
3459         PR tree-optimization/30843
3460         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3461         stores only after all the group is vectorized.
3462
3463 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3464
3465         PR tree-optimization/30858
3466         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3467         in the reduction cycle have a single use in the loop.
3468         * tree-vectorizer.h (relevant): Add documentation.
3469
3470 2007-02-20  Mike Stump  <mrs@apple.com>
3471
3472         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3473         * configure: Regenerate.
3474
3475 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3476
3477         Change the defaults of some parameters and options.
3478         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3479         * config/spu/spu.c (spu_optimization_options): Add.
3480         (spu_override_options): Change params in spu_optimization_options.
3481         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3482
3483         Register 127 is only 16 byte aligned when used as a frame pointer.
3484         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3485         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3486         HARD_FRAME_POINTER_REGNUM.
3487         (spu_legitimate_address):  Use regno_aligned_for_reload.
3488         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3489         aligned when frame_pointer_needed is true.
3490         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3491         to 8 bits.
3492         * config/spu/spu.h (INIT_EXPANDERS): Define.
3493
3494         Make sure shift and rotate instructions have valid immediate operands.
3495         * config/spu/predicates.md (spu_shift_operand): Remove.
3496         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3497         * config/spu/constraints.md (W, O): Extend range.
3498         * config/spu/spu.md (umask, nmask): Define.
3499         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3500         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3501         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3502         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3503         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3504         (lshr<mode>3_reg):  Fix rtl description.
3505
3506         Make sure mulhisi immediate operands are valid.
3507         * config/spu/predicates.md (imm_K_operand): Add.
3508         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3509
3510         Generate constants using fsmbi and andi.
3511         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3512         (print_operand, spu_split_immediate, classify_immediate,
3513         fsmbi_const_p): Handle IC_FSMBI2.
3514
3515         Correctly handle a CONST_VECTOR containing symbols.
3516         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3517         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3518         (immediate_load_p): Allow symbols that use 2 instructions to create.
3519         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3520         with symbols when flag_pic is set.
3521         (const_vector_immediate_p): New.
3522         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3523         accept a CONST_VECTOR with symbols.
3524         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3525         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3526         correctly.
3527         * config/spu/spu.md (high, low): Delete.
3528         (low_<mode>): Define.
3529
3530         Remove INTRmode and INTR_REGNUM, which didn't work.
3531         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3532         of INTR_REGNUM.
3533         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3534         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3535         peephole2 pattern): Don't use INTR or 131.
3536         (movintrcc): Delete.
3537         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3538         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3539         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3540         (UNSPEC_SET_INTR): Add.
3541         * config/spu/spu-modes.def (INTR): Remove.
3542
3543         More accurate warnings about run-time relocations.
3544         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3545
3546         Correctly warn about immediate arguments to specific intrinsics.
3547         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3548         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3549         the instruction predicate.
3550
3551         Fix tree check errors with latest update.
3552         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3553         CALL_EXPR_ARG.
3554         (spu_expand_builtin): Use CALL_EXPR_FN.
3555
3556         Add missing specific intrinsics.
3557         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3558         si_bislede.
3559         * config/spu/spu_internals.h: Ditto.
3560
3561         Fix incorrect operand modifiers.
3562         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3563         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3564
3565         Optimize one case of zero_extend of a vec_select.
3566         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3567
3568         Accept any immediate for hbr.
3569         * config/spu/spu.md (hbr):  Change s constraints to i.
3570
3571 2007-02-21  Paul Brook  <paul@codesourcery.com>
3572
3573         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3574         condexec_count when skipping USE and CLOBBER.
3575
3576 2007-02-21  Nick Clifton  <nickc@redhat.com>
3577
3578         * common.opt (Warray-bounds): Add Warning attribute.
3579         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3580         Likewise.
3581         (fsized-zeroes): Add Optimization attribute.
3582         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3583         * c.opt (Wc++0x-compat): Add Warning attribute.
3584
3585 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3586
3587         PR middle-end/30761
3588         * reload1.c (eliminate_regs_in_insn): In the single_set special
3589         case, attempt to re-recognize the insn before falling back to
3590         having reload fix it up.
3591
3592 2007-02-20  Eric Christopher  <echristo@gmail.com>
3593
3594         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3595         Rewrite accordingly.
3596         (frv_read_iacc_argument): Ditto.
3597         (frv_expand_set_builtin): Take a call instead of arglist, update for
3598         above changes.
3599         (frv_expand_unop_builtin): Ditto.
3600         (frv_expand_binop_builtin): Ditto.
3601         (frv_expand_cut_builtin): Ditto.
3602         (frv_expand_binopimm_builtin): Ditto.
3603         (frv_expand_voidbinop_builtin): Ditto.
3604         (frv_expand_int_void2arg): Ditto.
3605         (frv_expand_prefetches): Ditto.
3606         (frv_expand_voidtriop_builtin): Ditto.
3607         (frv_expand_voidaccop_builtin): Ditto.
3608         (frv_expand_load_builtin): Ditto.
3609         (frv_expand_store_builtin): Ditto.
3610         (frv_expand_mdpackh_builtin): Ditto.
3611         (frv_expand_mclracc_builtin): Ditto.
3612         (frv_expand_mrdacc_builtin): Ditto.
3613         (frv_expand_mwtacc_builtin): Ditto.
3614         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3615         calls for above.
3616
3617 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3618
3619         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3620         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3621         cmpb instruction.
3622         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3623         point instructions.
3624         * configure: Regenerate.
3625         * config.in: Regenerate.
3626         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3627         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3628         masks to power6 and power6x and to POWERPC_MASKS.
3629         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3630         _ARCH_PWR6.
3631         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3632         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3633         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3634         Access PROTOTYPE as variable, not mask.
3635
3636 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3637
3638         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3639         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3640         * combine.c (adjust_for_new_dest): Use it.
3641         * postreload.c (reload_combine): Likewise.
3642
3643 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3644
3645         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3646         notes on an insn with multiple sets, even if single_set returns
3647         non-NULL for that insn.
3648
3649 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3650
3651         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3652         scalbn and scalbln.
3653
3654 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3655
3656         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3657         if user didn't pass it.
3658         * config/i386/darwin.h (CC1_SPEC): Likewise.
3659         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3660         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3661         -mmacosx-version-min.
3662
3663 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3664             Uros Bizjak  <ubizjak@gmail.com>
3665
3666         * optabs.h (enum optab_index): Add new OTI_scalb.
3667         (scalb_optab): Define corresponding macro.
3668         * optabs.c (init_optabs): Initialize scalb_optab.
3669         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3670         patterns.
3671         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3672         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3673         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3674         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3675         flag_unsafe_math_optimizations is set.
3676
3677         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3678         to implement scalbf, scalb and scalbl built-ins as inline x87
3679         intrinsics.
3680
3681 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3682             DJ Delorie <dj@redhat.com>
3683
3684         PR other/30824
3685         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3686         (diagnostic_report_diagnostic): ... here, and turn them into real
3687         errors. If warnings are inhibited, no need to do anything.
3688
3689 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3690
3691         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3692         better code generation.
3693
3694 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3695
3696         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3697
3698 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3699
3700         * config/alpha/alpha.c, config/alpha/alpha.md,
3701         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3702         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3703         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3704         config/arm/lib1funcs.asm: Follow spelling conventions.
3705
3706         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3707         config/fr30/fr30.md, config/i386/i386.h,
3708         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3709         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3710         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3711         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3712         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3713         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3714         config/sparc/sparc.c, config/sparc/sparc.h,
3715         config/sparc/sparc.md, config/spu/constraints.md,
3716         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3717         conventions.
3718
3719 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3720
3721         PR target/29943
3722         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3723         alias attribute.
3724
3725 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3726
3727         * doc/invoke.texi (-ftree-lrs): Remove.
3728
3729 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3730
3731         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3732         NULL.
3733
3734 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3735
3736         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3737         new CALL_EXPR_FN macro for retrieving the function
3738         declaration of the input expression.
3739
3740 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3741
3742         * c.opt (Waddress): New.
3743         * common.opt (Walways-true): Delete.
3744         (Wstring-literal-comparison): Delete.
3745         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3746         -Wstring-literal-comparison. Add -Waddress.
3747         (Waddress): New.
3748         (Walways-true): Delete.
3749         (Wstring-literal-comparison): Delete.
3750         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3751         consistently instead of -Walways-true in example.
3752         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3753         * c-typeck.c (parser_build_binary_op): Replace
3754         -Wstring-literal-comparison and -Walways-true with -Waddress.
3755         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3756         with -Waddress.
3757
3758 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3759
3760         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3761         without DECL_STRUCT_FUNCTION initialized.
3762
3763 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3764
3765         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3766         due to calls to functions taking pointers as parameters.
3767
3768 2007-02-19  Richard Henderson  <rth@redhat.com>
3769
3770         PR debug/29558
3771         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3772         in memory.
3773
3774 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3775
3776         * config/s390/s390.c (s390_call_saved_register_used,
3777         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3778         accessed to the new scheme.
3779
3780 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3781
3782         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3783         (cris_print_index, cris_print_operand, cris_print_operand_address)
3784         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3785         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3786         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3787         GET_CODE () == xxx.
3788         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3789         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3790         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3791         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3792         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3793         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3794         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3795         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3796         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3797         (uminsi3, call, call_value): Ditto.
3798         (define_split: indir_to_reg_split, unnamed): Ditto.
3799
3800 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3801
3802         PR tree-optimization/30975
3803         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3804         wrong assert.
3805
3806 2007-02-18  Eric Christopher  <echristo@gmail.com>
3807
3808         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3809         Remove use of arglist.
3810         (mips_expand_builtin): Remove use of arglist, pass in expr.
3811         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3812         (mips_expand_builtin_movtf): Ditto.
3813         (mips_expand_builtin_compare): Ditto.
3814
3815 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3816
3817         * tree-sra.c (sra_build_assignment): Replace assertion
3818         checking with a comment explaining why it can't be done.
3819
3820 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3821
3822         PR middle-end/30833
3823         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3824         during CALL_EXPR representation conversion.
3825         * tree-ssa-propagate.c (set_rhs): Likewise.
3826
3827 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3828
3829         * tree-sra.c (sra_build_assignment): Disable assertion checking
3830         for now.
3831
3832 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3833
3834         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3835         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3836         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3837         Likewise.
3838         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3839         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3840         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3841         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3842         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3843         force_gimple_operand): Likewise.
3844         * ipa-cp.c (constant_val_insert): Likewise.
3845         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3846         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3847         perfect_nestify): Likewise.
3848         * langhooks.c (lhd_omp_assignment): Likewise.
3849         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3850         lower_copyprivate_clauses, lower_send_clauses,
3851         lower_send_shared_vars, expand_parallel_call,
3852         expand_omp_for_generic, expand_omp_for_static_nochunk,
3853         expand_omp_for_static_chunk, expand_omp_sections,
3854         lower_omp_single_copy, lower_omp_for_lastprivate,
3855         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3856         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3857         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3858         Likewise.
3859
3860 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3861
3862         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3863         config/sh/sh.md: Follow spelling conventions.
3864
3865         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3866         config/frv/predicates.md: Follow spelling conventions.
3867
3868         * config/m68k/linux-unwind.h: Fix a comment typo.
3869         * target.h: Follow spelling conventions.
3870
3871 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3872
3873         PR rtl-optimization/28173
3874         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3875         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3876         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3877         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3878         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3879
3880 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3881
3882         * builtins.c (fold_builtin_load_exponent): New.
3883         (fold_builtin_2): Use it.
3884
3885 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3886
3887         PR rtl-optimization/30773
3888         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3889         if we fail to attach a REG_EQUIV note.
3890
3891 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3892             Roger Sayle  <roger@eyesopen.com>
3893
3894         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3895
3896 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3897
3898         * calls.c (initialize_argument_information): Pass original EXP
3899         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3900         code to split complex arguments here, as part of initializing the
3901         ARGS array.
3902         (expand_call): Remove code that builds a list of arguments and
3903         inserts implicit arguments into it.  Instead, just count how many
3904         implicit arguments there will be so we can determine the size of
3905         the ARGS array, and let initialize_argument_information do the work.
3906         (split_complex_values): Delete unused function.
3907
3908 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3909
3910         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3911
3912 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3913
3914         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3915         for arg pointer based indexed addressing.
3916
3917 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3918
3919         * config/ia64/ia64.h, config/ia64/ia64.md,
3920         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3921         spelling conventions.
3922
3923 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3924
3925         * config/m68k/m68k.c (split_di): New.
3926         * config/m68k/m68k-protos.h: Declare split_di.
3927         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3928           Improve predicate handling and split constant shifts.
3929
3930 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3931
3932         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3933         parameter for register bitfield operations, general predicates
3934         cleanup
3935
3936 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3937
3938         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3939         * config/m68k/linux-unwind.h: New file.
3940
3941 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3942
3943         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3944         config/i386/athlon.md, config/ia64/ia64.md,
3945         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3946         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3947         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3948         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3949         tree-vect-transform.c: Fix comment typos.
3950
3951 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3952
3953         * sched-deps.c (find_insn_list): Remove.
3954         * sched-int.h: Remove the prototype for find_insn_list.
3955
3956 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3957
3958         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3959         to linker.
3960         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3961         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3962         darwin_rs6000_override_options.
3963         (C_COMMON_OVERRIDE_OPTIONS): Expect
3964         darwin_macosx_version_min to be non-NULL always.
3965         (TARGET_C99_FUNCTIONS): Likewise.
3966         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3967         (DARWIN_MINVERSION_SPEC): New.
3968         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3969         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min