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