regmove.c: Move all of pass_stack_adjustments from here...
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2
3         * regmove.c: Move all of pass_stack_adjustments from here...
4         * combine-stack-adj.c: ...to this new file.
5         * Makefile.in: Add rules for combine-stack-adj.o.
6
7 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
8
9         PR tree-optimization/31383
10         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
11         to have the same length.
12
13 2007-03-30  Jan Hubicka  <jh@suse.cz>
14
15         PR middle-end/PR30700
16         * dwarf2out.c (reference_to_unused): Ask cgraph for functions 
17         availablility; add more sanity checking; ask varpool only about
18         VAR_DECL.
19
20 2007-03-29  Richard Henderson  <rth@redhat.com>
21
22         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
23         to decide, but __SIZEOF_LONG_LONG__.
24
25 2007-03-29  Richard Henderson  <rth@redhat.com>
26
27         * emutls.c (struct __emutls_array): New.
28         (emutls_destroy): Use it instead of casting element 0 from void*.
29         (__emutls_get_address): Likewise.
30
31 2007-03-29  Richard Henderson  <rth@redhat.com>
32
33         * varasm.c (initializer_constant_valid_p): Don't deny
34         DECL_DLLIMPORT_P on functions.
35
36         * config/i386/cygming.h: Remove function declarations.
37         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
38         (ASM_OUTPUT_LABELREF): Remove.
39         (COMMON_ASM_OP): Remove.
40         (ASM_OUTPUT_COMMON): Remove.
41         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
42         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
43         (ASM_DECLARE_FUNCTION_NAME): Likewise.
44         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
45         Rename from TARGET_ENCODE_SECTION_INFO.
46         * config/i386/netware.h: Likewise.
47         * config/i386/i386-protos.h: Update.
48         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
49         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
50         (legitimate_constant_p): Reject dllimports.
51         (dllimport_map, get_dllimport_decl): New.
52         (legitimize_dllimport_symbol): New.
53         (legitimize_address, ix86_expand_move): Use it.
54         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
55         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
56         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
57         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
58         * config/i386/predicates.md (constant_call_address_operand): Only
59         accept symbols; reject dllimport_p symbols.
60         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
61         i386_pe_maybe_record_exported_symbol.
62         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
63         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
64         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
65         trust the setting of DECL_DLLIMPORT_P.
66         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
67         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
68         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
69         tidy the argument scanning loop.
70         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
71         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
72         (i386_pe_strip_name_encoding): Remove.
73         (i386_pe_binds_local_p): New.
74         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
75         (i386_pe_output_labelref): Remove.
76         (i386_pe_asm_output_aligned_decl_common): New.
77         (i386_pe_maybe_record_exported_symbol): Rename from
78         i386_pe_record_exported_symbol; check for dllexported symbols.
79
80 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
81
82         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
83         add comment explaining why vsnprintf cannot be used.
84
85 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
86
87         PR tree-optimization/30666
88         * tree.c (build_complex_type): When creating type names for DWARF2
89         debug info, create TYPE_DECLs for TYPE_NAME instead of
90         IDENTIFIER_NODEs.
91         (build_common_tree_nodes_2): Use build_complex_type when building
92         predefined complex types, to preserve canonical types.
93
94 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
95
96         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
97         (noce_get_alt_condition): Look at it to determine whether to
98         reverse the condition or not.
99         (noce_get_condition): Substitute the truth for lies.
100         (noce_find_if_block): Set the then_else_reversed field.
101
102 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
103
104         * config/fr30/fr30.md (movdi): Do not accept immediates as the
105         destination of this insn.
106         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
107         than calling gen_rtx_SET directly.  Use r0 to hold the value of
108         'address + 4' rather than a stack based temporary which can be
109         mis-optimized away.
110         
111 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
112
113         * config/s390/s390.c (s390_secondary_input_reload_class,
114         s390_secondary_output_reload_class): Functions removed.
115         (s390_secondary_reload): New function.
116         (TARGET_SECONDARY_RELOAD): Target macro defined.
117         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
118         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
119         * config/s390/s390.md ("reload_outti", "reload_outdi",
120         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
121         "reload_out<mode>"): Expanders removed.
122         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
123         "reload<mode>_nonoffmem_out"): Expanders added.
124
125 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
126
127         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
128         SRC->DEST replacement failed anyway.
129
130 2007-03-28  Mike Stump  <mrs@apple.com>
131
132         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
133         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
134         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
135
136 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
137
138         * config.gcc: Accept barcelona as a variant of amdfam10.
139         * config/i386/i386.c (override_options): Likewise.
140         * doc/invoke.texi: Likewise.
141         
142 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
143
144         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
145         offsets for BIT_FIELD_REF and COMPONENT_REF.
146
147 2007-03-28  Richard Guenther  <rguenther@suse.de>
148
149         * tree.c (is_global_var): Move ...
150         * tree-flow-inline.h (is_global_var): ... here.
151         * tree.h (is_global_var): Remove declaration.
152
153 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
154
155         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
156         option.
157         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
158         * config/i386/i386.c (ix86_tune_features): Initialize new
159         tuning option.
160         * config/i386/predicates.md (promotable_binary_operator): Use
161         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
162
163 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
164
165         PR target/31380
166         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
167
168 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
169
170         * config/fr30/fr30.md (movsi_internal): Change destination
171         constraint from m to V and add m to the end. 
172
173 2007-03-28  Christian Bruel  <christian.bruel@st.com>
174
175         * config/sh/sh.md (movsi_i): Fix type attribute.
176
177 2007-03-28  Christian Bruel  <christian.bruel@st.com>
178
179         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
180         (movsf_ie): Likewise.
181
182 2007-03-28  Christian Bruel  <christian.bruel@st.com>
183
184         * config.gcc: Add sh4-300 to multilib.
185         * config/sh/t-mlib-sh4-300: New file.
186
187 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
188
189         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
190         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
191         fix_trunc<mode>di2.
192         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use 
193         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
194         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
195         "fixuns_trunctddi2"): Whitespace fix.
196
197 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
198
199         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
200         the definition of struct sh_args.
201         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
202         CALL_COOKIE_INT_REG_GET): Likewise.
203
204 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
205
206         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
207         transformations are applied successfully.
208
209 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
210
211         * tree.c (tree_contains_struct): Permit 512 tree codes.
212         * tree.h (tree_contains_struct): Ditto.
213         (MAX_TREE_CODES): Ditto.
214         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
215         SPARE member to store remaining padding bits.
216
217 2007-03-27  Anatoly Sokolov <aesok@post.ru>
218
219         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' 
220         architecture.
221
222 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
223
224         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
225         * configure: Regenerate.
226
227         * configure: Regenerate using the correct version of autoconf.
228
229 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
230
231         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
232         pointer regs.
233         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
234         regs to "__SP_L__" and "__SP_H__".
235
236 2007-03-27  Richard Guenther  <rguenther@suse.de>
237
238         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
239         computations with it with a HOST_WIDE_INT variable.  
240
241 2007-03-26  Mike Stump  <mrs@apple.com>
242
243         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
244         objective-c-header, objective-c++-header and objc++-cpp-output
245         support.
246         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
247
248 2007-03-26  Richard Henderson  <rth@redhat.com>
249
250         PR target/31361
251         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
252         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
253         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
254         IX86_BUILTIN_PSRLQ128): New.
255         (ix86_init_mmx_sse_builtins): Add them.
256         (ix86_expand_builtin): Expand them.
257         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
258         operand 2 be TImode.
259         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
260         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
261         _mm_srli_epi64): Mark __B const.
262         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
263         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
264         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use 
265         new two-vector shift builtins.
266
267 2007-03-26  Ian Lance Taylor  <iant@google.com>
268
269         PR tree-optimization/31345
270         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
271         [+INF, +INF(OVF)] into VARYING.
272
273 2007-03-26  Zack Weinberg  <zackw@panix.com>
274
275         * gengtype-parse.c: New file.
276         * gengtype-yacc.y: Delete.
277         * gengtype-lex.l: Don't include gengtype-yacc.h.
278         Define YY_DECL and yyterminate appropriately for recursive
279         descent parser.  yylval is now a string out-parameter to yylex.
280         (HWS, EOID): New shorthand.
281         (IWORD): Add a couple more types.
282         (yylex): Add a setup stanza.  Remove the complex rules for
283         detecting GTY'ed types and typedefs; replace with simple
284         keyword detectors.  Adjust everything for the changed
285         definition of yylval.  Ignore all pp-directives, not just #define.
286         (yyerror): Delete.
287         (parse_file): Rename yybegin; do not call yyparse.
288         (yyend): New.
289         * gengtype.c (xasprintf): Export again.
290         (this_file): New.  Use everywhere __FILE__ was being used.
291         (get_lang_bitmap): Special case types defined in gengtype.c.
292         (do_typedef, new_structure): Suppress definition of certain types.
293         (new_structure): Improve diagnostics of duplicate definitions.
294         Make sure location_s is associated with input.h.
295         (nreverse_pairs, define_location_structures): New functions.
296         (main): Improve tagging of kludge types.  Remove old kludges
297         for input.h types; use define_location_structures.
298         * gengtype.h: Update prototypes.  Define token codes here.
299         * Makefile.in: Remove all references to gengtype-yacc.
300         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
301         and gengtype.
302         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
303         add GTY((skip)) to the field that's only conditionally there.
304         * doc/install.texi: Document that Bison is no longer required
305         unless building treelang.
306
307         * gengtype.c: Don't include gtyp-gen.h.
308         (srcdir): Declare here.
309         (base_files, lang_dir_names): Allocate dynamically.
310         (gt_files, num_gt_files, num_lang_dirs): New globals.
311         (measure_input_list, read_input_line, read_input_list)
312         (set_lang_bitmap): New functions.
313         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
314         simplify, relying on read_input_list to set up the bitmaps.
315         (main): Arguments are no longer unused.  Check for correct number
316         of command line arguments, set srcdir and srcdir_len, then call
317         read_input_list, before doing anything else.  No need to worry
318         about duplicates in main loop.
319         * configure.ac: Simplify the calculation of all_gtfiles.
320         Put language tags in there.  Don't set or substitute
321         all_gtfiles_files_langs or all_gtfiles_files_frags.
322         * Makefile.in: Revamp the way gengtype is invoked, now that it
323         takes a file on its command line with a much simpler format.
324         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
325         (GTFILES): Remove duplicates and C source files.
326         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
327         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
328         * configure: Regenerate.
329
330         * gengtype.h: Remove all type definitions to gengtype.c; leave
331         only definitions of options_p, type_p, and pair_p as opaque
332         pointers.  Update prototypes.
333         * gengtype.c: Many type definitions moved here from gengtype.h.
334         Consolidate type definitions at the top of the file.
335         (xvasprintf): Delete.
336         (xasprintf): Make static.
337         (create_nested_pointer_option): Add 'next' parameter.
338         (create_field_all, create_field_at): New functions.
339         (create_field): Now a thin wrapper around create_field_all.
340         (create_optional_field): Rename create_optional_field_ and add
341         line argument.  Original name is now a macro which supplies
342         __LINE__.
343         (oprintf): Use vsnprintf directly.
344         (close_output_files): Use fatal rather than perror/exit.
345         (note_def_vec, note_def_vec_alloc): Use create_field_at.
346         (main): Set progname.  Don't use exit.
347         * gengtype-yacc.y (struct_fields): Use create_field_at.
348         (option, optionseqopt): Delete.
349         (optionseq): Consolidate productions from option here so we
350         can use the first argument to create_option.
351
352         * gengtype-lex.l: Distinguish unions from structures in the
353         token type.  Don't call find_structure; return the tag as a string.
354         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
355         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
356         Reorganize typedef_struct production accordingly.
357         Use create_nested_ptr_option.
358         * gengtype.c (create_nested_ptr_option): New function.
359         * gengtype.h: Declare it.
360
361         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
362         (string_type): Don't declare.
363         (do_scalar_typedef): Declare.
364         (create_scalar_type): Update prototype.
365         * gengtype.c (string_type): Make static.
366         (scalar_nonchar, scalar_char): New.
367         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
368         (resolve_typedef): Use scalar_nonchar for error recovery.
369         (create_scalar_type): Remove name_len field.  Return scalar_char
370         or scalar_nonchar as appropriate.
371         (adjust_field_type): Look at scalar_is_char boolean to decide whether
372         to use string_type.
373         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
374         whenever possible.
375         (main): Initialize scalar_char and scalar_nonchar before calling
376         gen_rtx_next.
377         * gengtype-lex.l: Adjust for removal of second argument to
378         create_scalar_type.  Use yylval.s instead of yylval.t when
379         returning SCALAR.
380         * gengtype-yacc.y: Type of SCALAR is string.  Call
381         create_scalar_type from type:SCALAR rule.  Adjust for removal of
382         second argument to create_scalar_type.
383
384         * vec.h: Remove all #if IN_GENGTYPE blocks.
385         Add comment saying that changes may require adjustments to gengtype.
386         * gengtype.c: Don't include coretypes.h or tm.h.
387         Add comment to inclusion of errors.h.
388         (note_def_vec, note_def_vec_alloc): New functions.
389         * gengtype.h: Declare new functions.
390         * gengtype-lex.l: Don't include coretypes.h.
391         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
392         Delete.
393         (update_lineno): Remove unnecessary prototype.
394         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
395         (VEC rule): Just return VEC_TOKEN.
396         * gengtype-yacc.y (VEC_TOKEN): New token type.
397         (type): Add a production for VEC(a,b).
398         * Makefile.in: Update dependencies.
399
400         * gengtype-lex.l: Remove rules for parsing pointer-to-function
401         typedefs that use the old PARAMS macro.
402
403         * gengtype-lex.l: Remove all rules and states relating to yacc
404         input files.
405         * gengtype-yacc.y: Similarly.
406         * gengtype.c (note_yacc_type): Delete function.
407         * gengtype.h: Update prototypes.
408
409 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
410
411         * tree-pretty-print.c (dump_generic_node): Report precision of
412         unnamed integer types.
413
414 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
415
416         * ifcvt.c (noce_try_store_flag_constants): Don't check
417         no_new_pseudos here.
418         (noce_try_store_flag_constants): Don't check no_new_pseudos.
419         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
420         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
421         noce_try_sign_mask): Likewise.
422         (if_convert): Check no_new_pseudos here.
423
424         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
425         Remove prototypes.
426         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
427         (noce_get_condition): Handle new then_else_reversed argument.
428         (noce_init_if_info): Remove, fold into noce_find_if_block.
429         (noce_process_if_block): Take a struct noce_if_info as the
430         argument.  Don't set up one based on ce_if_info.  Update pointer
431         references accordingly.
432         (cond_move_process_if_block): Likewise.
433         (process_if_block): Removed.
434         (find_if_block): Removed.  Move functionality two new functions,
435         noce_find_if_block and cond_exec_find_if_block.
436         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
437         blocks and the symmetric IF-ELSE-JOIN case.
438         (cond_exec_find_if_block): Also new function mostly based on old
439         find_if_block and process_if_block.
440         (find_if_header): Replace find_if_block call with separately
441         guarded calls to noce_find_if_block and cond_exec_find_if_block.
442         (find_cond_trap): Update noce_get_condition call.
443         (dead_or_predicable): Likewise.
444
445 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
446
447         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
448         Remove.
449         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
450         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
451         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
452         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
453         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
454         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
455         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
456         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
457         __builtin_ia32_psrad128 builtins.
458
459 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
460
461         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
462         * config/i386/constraints.md
463         (define_constraint "I"): Use IN_RANGE macro.
464         (define_constraint "J"): Ditto.
465         (define_constraint "K"): Ditto.
466         (define_constraint "M"): Ditto.
467         (define_constraint "N"): Ditto.
468         (define_constraint "O"): Ditto.
469         * config/i386/predicates.md
470         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
471         (define_predicate "const_0_to_3_operand"): Ditto.
472         (define_predicate "const_0_to_7_operand"): Ditto.
473         (define_predicate "const_0_to_15_operand"): Ditto.
474         (define_predicate "const_0_to_63_operand"): Ditto.
475         (define_predicate "const_0_to_255_operand"): Ditto.
476         (define_predicate "const_1_to_31_operand"): Ditto.
477         (define_predicate "const_2_to_3_operand"): Ditto.
478         (define_predicate "const_4_to_7_operand"): Ditto.
479
480 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
481
482         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
483         in SImode for save_world.
484         * config/rs6000/altivec.md (save_world, restore_world): Convert to
485         LR hard reg.
486
487 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
488
489         PR tree-optimization/30784
490         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
491         BIT_FIELD_REF.
492
493 2007-03-25  Revital Eres  <eres@il.ibm.com>
494
495         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
496           Fold movement_possibility function into it.
497
498 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
499
500         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
501         (load_macho_picbase_{si,di}): Convert to LR hard reg.
502         (call_indirect_nonlocal_darwin64): Same.
503         (call_nonlocal_darwin64): Same.
504         (call_value_indirect_nonlocal_darwin64): Same.
505         (call_value_nonlocal_darwin64): Same.
506         (sibcall_nonlocal_darwin64): Same.
507         (sibcall_value_nonlocal_darwin64): Same.
508         (sibcall_symbolic_64): Same.
509         (sibcall_value_symbolic_64): Same.
510         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
511         LR pseudo.
512         (rs6000_emit_load_toc_table): Same.
513         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
514         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
515         (mull_call): Same.
516         (divss_call): Same.
517         (divus_call): Same.
518         (quoss_call): Same.
519         (quous_call): Same.
520         (load_toc_v4_pic_si): Same
521         (load_toc_v4_PIC_1): Same.
522         (load_toc_v4_PIC_1b): Same.
523         (call_indirect_aix{32,64}): Same.
524         (call_value_indirect_aix{32,64}): Same.
525         (call): Same.
526         (call_value): Same.
527         (call_local{32,64}): Same.
528         (call_value_local{32,64}): Same.
529         (call_indirect_nonlocal_aix{32,64}): Same.
530         (call_nonlocal_aix{32,64}): Same.
531         (call_value_indirect_nonlocal_aix{32,64}): Same.
532         (call_value_nonlocal_aix{32,64}): Same.
533         (call_indirect_nonlocal_sysv<mode>): Same.
534         (call_nonlocal_sysv<mode>): Same.
535         (call_value_indirect_nonlocal_sysv<mode>): Same.
536         (call_value_nonlocal_sysv<mode>): Same.
537         (sibcall): Same.
538         (sibcall_local{32,64}): Same.
539         (sibcall_value_local{32,64}): Same.
540         (sibcall_nonlocal_aix{32,64}): Same.
541         (sibcall_value_nonlocal_aix{32,64}): Same.
542         (sibcall_nonlocal_sysv<mode>): Same.
543         (sibcall_value): Same.
544         (sibcall_value_nonlocal_sysv<mode>): Same.
545
546 2007-03-24  Paul Brook  <paul@codesourcery.com>
547
548         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
549         * config/arm/linux-eabi.h: Remove legacy syscall hack.
550
551 2007-03-24  Richard Henderson  <rth@redhat.com>
552
553         * config/ia64/constraints.md: New file.
554         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
555         satisfies_constraint_?.
556         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
557         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
558         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
559         ia64_output_mi_thunk): Likewise.
560         (ia64_const_ok_for_letter_p): Remove.
561         (ia64_const_double_ok_for_letter_p): Remove.
562         (ia64_extra_constraint): Remove.
563         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
564         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
565         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
566         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
567         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
568         EXTRA_MEMORY_CONSTRAINT): Remove.
569         * config/ia64/ia64.md: Include constriants.md.  Replace
570         CONST_OK_FOR_? with satisfies_constraint_?.
571
572 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
573             H.J. Lu  <hongjiu.lu@intel.com>
574
575         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
576         DPD or BID name.
577         (name macros): Use DPD_BID_NAME to convert names properly.
578
579         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
580         decimal floating point format.
581         (init_floating_libfuncs): Change decimal functions so that they
582         have a "bid_" prefix if the decimal system uses the BID format,
583         and "dpd_" prefix if the decimal system uses the DPD format.
584         (init_interclass_conv_libfuncs): Ditto.
585         (init_intraclass_conv_libfuncs): Ditto.
586
587         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
588         using the BID format.
589
590         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
591         whether we are using the BID decimal format.
592         * configure: Regenerate.
593
594         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
595         the compiler has decimal floating point enabled.  Define
596         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
597         instead of DPD.
598
599         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
600         using the BID format.
601
602         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
603         whether we are using the BID decimal format.
604         * configure: Regenerate.
605
606         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
607         the compiler has decimal floating point enabled.  Define
608         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
609         instead of DPD.
610
611         * doc/install.texi (--enable-decimal-float): Document BID and DPD
612         options, and that it is enabled for i386/x86_64 systems.
613
614         * Makefile.in (enable_decimal_float): New.
615         (DECNUMFMT): New.
616         (DECNUMINC): Add  -I$(DECNUMFMT).
617         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
618         to $(DECNUMFMT) from $(DECNUM).
619
620         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
621         Substitute enable_decimal_float.
622         * configure: Regenerated.
623
624         PR other/30529
625         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
626         unsigned long.
627
628         * configure.ac: Enable decimal float for x86_64-*-linux*.
629         * configure: Regenerated.
630
631         PR other/30530
632         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
633         decimal128ClearSign to flip and clear the sign bit in decimal128.
634         (decimal_real_maxval): Set decimal128SetSign to set the sign
635         bit in decimal128.
636
637 2007-03-23  Ian Lance Taylor  <iant@google.com>
638
639         * fold-const.c (fold_binary): Correct warning for X - c >= X.
640
641 2007-03-23  Ian Lance Taylor  <iant@google.com>
642
643         * tree-dump.c (dump_files): Correct comment.
644
645 2007-03-23  Ian Lance Taylor  <iant@google.com>
646
647         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
648
649 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
650
651         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
652         in cfglayout mode.  Don't go into and out of cfglayout mode.
653         Link the blocks in the order of the constructed traces.
654         (rest_of_handle_tracer): Adjust call to tracer.
655         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
656         Don't go into cfglayout mode.
657         (rtl_loop_done): Don't go out of cfglayout mode.
658         * cfglayout.c (relink_block_chain): New function, split out from...
659         (fixup_reorder_chain): ...here.  Remove redundant checking.
660         (cfg_layout_finalize): Don't clear the header, footer, and aux
661         fields here, move the code to do so to relink_block_chain.  Likewise
662         for free_original_copy_tables.
663         * rtl.h (tracer): Update prototype.
664         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
665         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
666         mode.  Use relink_block_chain to serialize the CFG according to the
667         new basic block order.  Move targetm.cannot_modify_jumps_p check from
668         here...
669         (gate_handle_reorder_blocks): ...to here.
670         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
671         from here...
672         (gate_duplicate_computed_gotos): ...to here.
673         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
674         something always changes when going into and out of cfglayout mode.
675         Perform an expensive cfg cleanup while going into cfglayout mode.
676         Always update liveness information on HAVE_conditional_execution
677         targets.  Reserialize the basic blocks and go out of cfglayout mode.
678         * reg-stack.c: Include cfglayout.h.
679         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
680         the call to reorder_basic_blocks.
681         * basic-block.h (reorder_basic_blocks): Update prototype.
682         (relink_block_chain): New prototype.
683         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
684
685 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
686
687         * config/mips/mips.md (type, hazard, *movdi_32bit,
688         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
689         *movhi_internal, *movqi_internal, *movsf_hardfloat,
690         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
691         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
692         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
693         applicable.
694         (movcc): Change first xfer to multi.
695         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
696         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
697         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
698         config/mips/generic.md: Change reservations using "xfer" to use
699         "mfc,mtc".
700         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
701         using match_operand.
702         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
703         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
704         examining mode.
705         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
706
707 2007-03-22  Richard Henderson  <rth@redhat.com>
708
709         * config/i386/i386.c: Remove unnecessary function declarations.
710         Move targetm definition, and all related macros, to the end of
711         the file.  Resort some functions to put definitions before uses.
712         (ix86_attribute_table): Make static.  Move to end of file.
713         (ix86_gimplify_va_arg): Make static.
714
715 2007-03-22  Richard Henderson  <rth@redhat.com>
716
717         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
718         don't increase local_regparm with force_align_arg_pointer check.
719         (ix86_function_sseregparm): Assert 32-bit.
720         (type_has_variadic_args_p): New.
721         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
722         type_has_variadic_args_p.
723         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
724         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
725         use memset instead.  Do maybe_vaarg check first; skip attribute
726         tests if true; skip attribute tests for 64-bit.
727         (construct_container): Remove TARGET_DEBUG_ARG.
728         (function_arg_advance_32, function_arg_advance_64): Split out ...
729         (function_arg_advance): ... from here.
730         (function_arg_32, function_arg_64): Split out ...
731         (function_arg): ... from here.
732         (ix86_pass_by_reference): Tidy.
733         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
734         (function_value_32): New, from parts of ix86_function_value
735         and ix86_value_regno.
736         (function_value_64): New, from parts of ix86_function_value
737         and ix86_libcall_value.
738         (ix86_function_value_1): New.
739         (ix86_function_value, ix86_libcall_value): Use it.
740         (return_in_memory_32, return_in_memory_64): Split out ...
741         (ix86_return_in_memory): ... from here.
742         (ix86_struct_value_rtx): Skip for 64-bit.
743         (ix86_libcall_value, ix86_value_regno): Remove.
744         (setup_incoming_varargs_64): Split out ...
745         (ix86_setup_incoming_varargs): ... from here.
746         (ix86_va_start): Remove TARGET_DEBUG_ARG.
747         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
748         * config/i386/i386-protos.h (ix86_function_value): Remove.
749         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
750
751 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
752
753         PR other/23572
754         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
755         infinities not supported, otherwise emit warning if -Woverflow. On
756         underflow, emit warning if -Woverflow.
757         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
758         and 0 otherwise.
759         * real.h (real_from_string): Update declaration
760
761 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
762             Richard Henderson  <rth@redhat.com>
763
764         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
765         * calls.c (compute_argument_block_size, expand_call,
766         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
767         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
768         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
769         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
770         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
771         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
772         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
773         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
774         Set to 1.
775
776 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
777
778         * c-incpath.c (add_sysroot_to_chain): New.
779         (merge_include_chains): Add sysroot argument.  Call
780         add_sysroot_to_chain if sysrooted.
781         (register_include_chains): Update call to merge_include_chains.
782         * doc/cppopts.texi: Document use of '=' in include directory
783         arguments.
784
785 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
786
787         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
788         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
789         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
790         insn pattern using X87MODEF12 mode macro.
791
792 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
793
794         * regmove.c (regmove_optimize): Use reg_mentioned_p
795         instead of reg_overlap_mentioned_p for DST.
796
797 2007-03-21  Mike Stump  <mrs@apple.com>
798
799         * c.opt: Fixup for Objective-C/C++.
800
801 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
802
803         * explow.c (convert_memory_address): Fold memory reference when
804         POINTERS_EXTEND_UNSIGNED < 0
805
806 2007-03-21  Richard Henderson  <rth@redhat.com>
807
808         PR target/31245
809         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
810         * config/i386/mmintrin.h (__m64): Likewise.
811         * config/i386/xmmintrin.h (__m128): Likewise.
812
813 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
814
815         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
816         (VXWORKS_OS_CPP_BUILTINS): Define.
817         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
818         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
819
820 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
821
822         * rtl.h (constant_pool_reference_p): Delete.
823         (find_constant_src): Declare.
824         * rtlanal.c (find_constant_src): New function.
825         * simplify-rtx.c (constant_pool_reference_p): Delete.
826         * config/i386/i386.md: Use find_constant_src instead of
827         constant_pool_reference_p/avoid_constant_pool_reference pairs.
828
829 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
830
831         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
832         * c-cppbuiltin.c (c_cpp_builtins): Define them.
833
834 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
835
836         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
837         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
838         (arm_elf_asm_constructor): Use it.
839         (arm_elf_asm_destructor): New function.
840
841 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
842
843         * jump.c (mark_jump_label): Treat SEQUENCE specially.
844
845 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
846
847         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
848
849 2007-03-19  Andrew Haley  <aph@redhat.com>
850
851         PR tree-optimization/31264
852         * tree-vrp.c (register_edge_assert_for_1): Don't look though
853         VIEW_CONVERT_EXPRs.
854
855 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
856
857         PR rtl-optimization/30907
858         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
859         (fwprop_init): Always call loop_optimizer_initialize.
860         (fwprop_done): Always call loop_optimizer_finalize.
861         (fwprop): We always have loop info now.
862         (gate_fwprop_addr): Remove.
863         (pass_fwprop_addr): Use gate_fwprop as gate.
864
865         PR rtl-optimization/30841
866         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
867         df_chain_alloc): Call df_reorganize_refs unconditionally.
868         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
869         refs_organized to refs_organized_size.
870         (df_ref_create_structure): Use refs_organized_size instead of
871         bitmap_size if refs had been organized, and keep refs_organized_size
872         up-to-date.
873         * df.h (struct df_ref_info): Change refs_organized to
874         refs_organized_size.
875         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
876         bitmap_size.
877
878 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
879
880         * except.c (output_function_exception_table): Do not reference the
881         EH personality routine for functions that do not require an
882         exception table.
883
884 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
885
886         PR c/30762
887         * c-typeck.c (convert_for_assignment): Call comptypes for
888         RECORD_TYPE or UNION_TYPE.
889
890         PR inline-asm/30505
891         * reload1.c (reload): Do invalid ASM checking after
892         cleanup_subreg_operands.
893
894 2007-03-19  Jeff Law  <law@redhat.com>
895
896         * tree-cfg.c (find_taken_edge): Tighten conditions for
897         optimizing computed gotos.
898
899 2007-03-19  Michael Matz  <matz@suse.de>
900
901         * builtins.c (expand_builtin_sync_operation,
902         expand_builtin_compare_and_swap,
903         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
904         correctly.
905
906         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
907         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
908         for operand 3.
909
910 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
911
912         * doc/tm.texi: Add brackets around the return type of
913         TARGET_SECONDARY_RELOAD.
914
915 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
916         Richard Guenther  <rguenther@suse.de>
917
918         PR tree-optimization/31254
919         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
920         Use handled_component_p () where appropriate.  Continue
921         propagating into the rhs if we propagated into an INDIRECT_REF
922         on the lhs.
923
924 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
925
926         * config/s390/s390.md (op_type attribute): RRR instruction type added.
927         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
928         (xde, xdee): Mode attributes adjusted to support DFP modes.
929         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
930         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
931         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
932         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
933         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
934         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
935         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
936         numbers.
937         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
938         "movsf"): Insn definitions removed.
939         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
940         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
941         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
942         definitions added.
943         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
944         "reload_in<mode>", "reload_out<mode>"): Expander added.
945         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
946         Expander removed.
947
948 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
949
950         * config/s390/s390.md: Only non-functional changes.  Renamed
951         FPR mode macro to BFP all over the file.
952
953 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
954
955         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
956         (op_type attribute): RRF instruction type added.
957         (fT0): New mode attribute.
958         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
959         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
960         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
961         no secondary memory is needed when moving DFmode values between GPRs
962         and FPRs.
963
964 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
965
966         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
967         inverted and documentation adjusted.
968         ("mhard-dfp", "msoft-dfp"): New options.
969         * config/s390/s390.c (s390_handle_arch_option): New architecture
970         switch: z9-ec.
971         (override_options): Sanity checks for the new options added.
972         * config.gcc: New architecture switch: z9-ec.
973         * config/s390/s390.h (processor_flags): PF_DFP added.
974         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
975         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
976         when the bit is NOT set so remove it from the defaults.
977
978 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
979
980         * genemit.c (main): Print include statement for dfp.h.
981         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
982         is not available.
983
984 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
985
986         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
987
988 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
989
990         PR target/31022
991         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
992         instead of PATTERN.
993
994 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
995
996         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
997         attr_length_call, output_call, output_indirect_call): Cleanup
998         formatting of targetm calls.
999
1000 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1001
1002         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1003
1004 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1005
1006         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1007         reservation, bypass and anti-bypass descriptions for these instructions.
1008         Update move patterns.
1009         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1010         TYPE_FPSTORE.
1011
1012 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1013
1014         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1015         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1016         (get_initial_def_for_reduction): Likewise.
1017
1018 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1019
1020         Fix PR tree-optimization/29922
1021         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1022         (get_representative): Removed.
1023         (value_dies_in_block_x): Update for rvuse removal.
1024         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1025         (compute_antic_aux): Handle when PHI nodes appear in
1026         non-single-successors.
1027         (dump_bitmap_of_names): Removed.
1028         (compute_antic_safe): Renamed and removed rvuse calculation.
1029         Calculate only antic safe.
1030         (insert_into_preds_of_block): Remove assert.
1031         (execute_pre): Update for renamed functions.
1032         (defer_or_phi_translate_block): New function.
1033
1034 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1035
1036         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1037         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1038         typos.
1039         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1040         Follow spelling conventions.
1041
1042         * tree-data-ref.h: Remove the prototype for analyze_array.
1043
1044 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1045
1046         PR tree-optimization/31041
1047         * tree-vect-transform.c (get_initial_def_for_induction): Call
1048         force_gimple_operand.
1049
1050 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1051
1052         * ipa-type-escape.c (look_for_casts) : Revert code to use
1053         handled_component_p due to ada test a-numaux.adb.
1054
1055 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1056
1057         * final.c (final_scan_insn): Alter the condition of a
1058         conditional trap if we have nonstandard CC.
1059
1060 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1061
1062         * configure.ac: Remove excess quoting from asm line 0 test.
1063         * configure: Rebuilt.
1064
1065 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1066
1067         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1068         * c-common.c (convert_and_check): Move warning logic to...
1069         (warnings_for_convert_and_check): ...here. Define.
1070         * c-common.h (warnings_for_convert_and_check): Declare.
1071
1072 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1073
1074         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1075         (output_call): Likewise.
1076
1077 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1078
1079         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1080
1081 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1082
1083         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1084
1085 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1086
1087         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1088         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1089
1090 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1091
1092         PR tree-optimization/31183
1093         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1094         Use double_int instead of unsigned int for representing access_strides.
1095         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1096
1097 2007-03-16  Richard Guenther  <rguenther@suse.de>
1098
1099         PR tree-optimization/31146
1100         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1101         to allow recursion of forward_propagate_addr_expr.
1102         (forward_propagate_addr_into_variable_array_index): Likewise.
1103         (forward_propagate_addr_expr): Likewise.
1104         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1105         (forward_propagate_addr_expr_1): Recurse on simple copies
1106         instead of propagating into them.  Do so for useless conversions
1107         as well.
1108         (forward_propagate_addr_expr): Clean up unused statements after
1109         recursion.
1110
1111 2007-03-16  Richard Guenther  <rguenther@suse.de>
1112
1113         * builtins.c (expand_builtin_cexpi): Use the right argument
1114         for the expansion via cexp.
1115
1116 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1117
1118         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1119         * configure: Rebuilt.
1120
1121 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1122
1123         PR debug/29906
1124         * dwarf2out.c (force_type_die): Adjust comment.
1125         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1126
1127 2007-03-15  DJ Delorie  <dj@redhat.com>
1128
1129         * config/frv/predicates.md (minmax_operator): Don't check operands
1130         here.
1131
1132 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1133
1134         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1135         Update constant estimates of number of iterations.
1136         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1137         argument renamed to "realistic".
1138         (compute_estimated_nb_iterations): Removed.
1139         (record_niter_bound): New function.
1140         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1141         call record_nonwrapping_iv with upper = false.
1142         (infer_loop_bounds_from_signedness): Pass upper argument to
1143         record_nonwrapping_iv.
1144         (estimate_numbers_of_iterations_loop): Do not call
1145         compute_estimated_nb_iterations.  Record estimate based on profile
1146         information.  Initialize the constant estimates of number of
1147         iterations.
1148         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1149         estimates.
1150         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1151         number of iterations is too small.
1152         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1153         (EST_NOT_AVAILABLE): Removed.
1154         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1155         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1156         fields.
1157
1158 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1159
1160         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1161         Handle NE_EXPR guards.
1162
1163 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1164
1165         PR c++/24924
1166         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1167         Set also -pedantic-errors by default for the  preprocessor unless
1168         -fpermissive is given.
1169
1170 2007-03-15  Richard Guenther  <rguenther@suse.de>
1171
1172         PR middle-end/29719
1173         PR middle-end/31161
1174         * builtins.c (expand_builtin_cexpi): As a fallback if we
1175         don't have builtins for sincos or cexp create a function
1176         declaration for cexp and expand to a call to that.
1177         (expand_builtin_int_roundingfn): Always fall
1178         back to floor/ceil and its variants even if they may be
1179         not available.
1180
1181 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1182
1183         PR middle-end/31159
1184         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1185         jump tables, move the call to delete_dead_jumptables from here...
1186         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1187         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1188         don't allow merging of blocks that try_redirect_by_replacing_jump
1189         also does not handle when not optimizing.
1190
1191 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1192             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1193
1194         * config/i386/i386.md (x86_sahf_1): Correctly handle
1195         HAVE_AS_IX86_SAHF.
1196
1197 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1198
1199         PR target/31167
1200         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1201         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1202         from operand constraints and use "e" constraint instead.
1203         (*subti3_1, *subti3_1 splitter): Ditto.
1204         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1205         operand[1] predicate.
1206
1207 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1208
1209         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1210         arrays, multiply the access strides by the size of the sub-array.
1211         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1212
1213 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1214
1215         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1216         the configured assembler supports the sahf mnemonic.
1217         * configure: Regenerate.
1218         * config.in: Regenerate.
1219
1220         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1221         emit "sahf" or ".byte\t0x9e" as asm template.
1222
1223 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1224
1225         PR 31018
1226         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1227         option to replace hard coded TARGET_xxx in md file.
1228         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1229         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1230         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1231         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1232         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1233         (X86_TUNE_NOT_VECTORMODE): Ditto.
1234         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1235         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1236         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1237         (TUNE_SLOW_IMUL_IMM8): Ditto.
1238         (TUNE_MOVE_M1_VIA_OR): Ditto.
1239         (TUNE_NOT_UNPAIRABLE): Ditto.
1240         (TUNE_NOT_VECTORMODE): Ditto.
1241
1242         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1243         options.
1244
1245         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1246         tuning options instead of hard coded TARGET_xxx.
1247         (fix ssemode peephole2's): Ditto.
1248         (imul peephole2's): Ditto.
1249         (movsi_or): Ditto.
1250         (movdi_or_rex64): Ditto.
1251         (move peephole2): Ditto.
1252         (not peephole2's): Ditto.
1253
1254 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1255
1256         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1257         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1258         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1259         of empty body.
1260         * c-parser.c (c_parser_do_statement): Warn about empty body in
1261         do/while statement.
1262         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1263         * doc/invoke.texi (-Wempty-body): Update documentation.
1264
1265 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1266
1267         PR c/21438
1268         * c-common.h (warn_for_div_by_zero): Declare.
1269         * c-common.c (warn_for_div_by_zero): Define.
1270         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1271         warning.
1272
1273 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1274
1275         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1276         to PREFIX and STANDARD_PREFIX.
1277
1278 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1279             Phil Edwards  <phil@codesourcery.com>
1280
1281         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1282         (__gthread_once_t): Remove busy field for RTPs.
1283         (__GTHREAD_ONCE_INIT): Update accordingly.
1284
1285 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1286
1287         * doc/invoke.texi: Document VxWorks options.
1288
1289 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1290
1291         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1292
1293 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1294
1295         PR tree-optimization/30590
1296         * tree-nrv.c (tree_nrv): Check for the partial update of the
1297         return value.
1298
1299 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1300
1301         * flags.h (flag_random_seed): Remove declaration, in favor of...
1302         * toplev.h (get_random_seed, set_random_seed): ... these.
1303         * tree.c (get_file_function_name): Use the former.
1304         * opts.c (common_handle_option): Use the latter.
1305         * toplev.c
1306
1307 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1308
1309         PR middle-end/31127
1310         * cse.c (cse_find_path): Do not bail out if a basic block that
1311         we already visited now becomes part of a path that starts at a
1312         different basic block.  Just disallow this, to make sure we
1313         visit each basic block at most once.
1314
1315 2007-03-13  Jan Hubicka  <jh@suse.cz>
1316
1317         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1318         when profile esitmate is present, calls with very low frequency are
1319         cold.
1320
1321 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1322
1323         PR tree-optimization/30730
1324         PR tree-optimization/26900
1325         * tree-ssa-loop-niter.c: Include gmp.h.
1326         (bounds): New type.
1327         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1328         split_to_var_and_offset, determine_value_range,
1329         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1330         bound_difference, bounds_add, bounds_negate,
1331         number_of_iterations_ne_max, dump_affine_iv): New functions.
1332         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1333         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1334         difference of initial and final value of control iv to validate
1335         results.
1336         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1337         on the difference of the extremes of the control iv.  Add dumps.
1338         (expand_simple_operations): Handle phi nodes.
1339         (simplify_using_initial_conditions): Do not record used conditions.
1340         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1341         Do not set additional_info.
1342         (implies_nonnegative_p, implies_ge_p): Removed.
1343         (derive_constant_upper_bound): Do not use parameter `additional'.
1344         (record_estimate): Parameter `additional' removed.  Parameter
1345         `i_bound' added.  Do not call derive_constant_upper_bound.
1346         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1347         bound the number of iterations estimate.
1348         (estimate_numbers_of_iterations_loop): Pass the estimate from
1349         the number of iterations analysis to record_estimate.
1350         * tree.h (multiple_of_p): Declare.
1351         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1352         (scev_const_prop): Do not check expression_expensive_p.
1353         * fold-const.c (multiple_of_p): Exported.
1354         * double-int.c (double_int_mask): Exported.
1355         * double-int.h (double_int_mask): Declare.
1356         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1357         field.  Added max field.
1358
1359 2007-03-13  David Taylor  <taylor@candd.org>
1360
1361         PR driver/12448:
1362         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1363         default -MQ.
1364
1365 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1366
1367         PR target/31123
1368         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1369         two unamed patterns.
1370
1371 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1372
1373         * config/i386/i386.opt (mcx16, msahf): New options.
1374         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1375         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1376
1377         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1378         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1379         Output -mcx16 and -msahf options when corresponding bit is set.
1380
1381         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1382         and -msahf options.
1383
1384 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1385
1386         * configure.ac: Test for assembler tolerance to # 0 "".
1387         * configure, config.in: Rebuilt.
1388         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1389
1390 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1391
1392         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1393
1394         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1395         (handle_syscall): Handle direct system calls.
1396         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1397
1398 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1399
1400         * doc/invoke.texi: Fix cpp.info cross-reference.
1401         * doc/passes.texi: Fix gcc.info cross-reference.
1402
1403 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1404
1405         PR tree-optimization/30835
1406         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1407         bb_for_stmt is not NULL before accessing it.
1408
1409 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1410
1411         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1412         some multilibs.
1413
1414 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1415
1416         PR 30635
1417         * doc/install.texi: Document --enable-stage1-languages
1418
1419 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1420
1421         * tree-pass.h (pass_into_cfg_layout_mode,
1422         pass_outof_cfg_layout_mode): Declare.
1423         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1424         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1425         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1426         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1427
1428 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1429
1430         * c-decl.c (warn_variable_length_array): New function.
1431         Refactored from grokdeclarator to handle warn_vla
1432         and handle unnamed array case.
1433         (grokdeclarator): Refactored VLA warning case.
1434         * c.opt (Wvla): New flag.
1435         * doc/invoke.texi (Wvla): New warning.
1436
1437 2007-03-12  Richard Henderson  <rth@redhat.com>
1438
1439         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1440         (TARGET_SECTION_TYPE_FLAGS): New.
1441
1442 2007-03-12  Richard Henderson  <rth@redhat.com>
1443
1444         * config/darwin.c (machopic_reloc_rw_mask): New.
1445         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1446         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1447
1448 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1449
1450         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1451         * cppdefault.h (cpp_PREFIX): Document.
1452         (cpp_PREFIX_len): Likewise.
1453         (cpp_EXEC_PREFIX): New variable.
1454         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1455         * c-incpath.c (add_standard_paths): Correct logic for relocating
1456         paths within prefix.
1457
1458 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1459
1460         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1461         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1462         mode macro.
1463         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1464         fix_truncdfdi_sse using SSEMODEF mode macro.
1465         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1466         fix_truncdfsi_sse using SSEMODEF mode macro.
1467         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1468         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1469
1470 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1471
1472         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1473         elfos.h to tm_file.
1474
1475 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1476
1477         * tree.h : Add multiple_of_p declaration.
1478         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1479         * ipa-type-escape.c (results_of_malloc): Redundant.
1480         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1481         (cast_type): Extended with new members.
1482         (check_cast): Returns cast_type.
1483         (cast): New structure for data of walk_use_def_chains.
1484         (is_malloc_result, is_cast_from_non_pointer_1,
1485         is_cast_from_non_pointer,
1486         is_array_access_through_pointer_and_index): New functions.
1487         (look_for_casts): Returns cast types.
1488         (check_call): Returns void.
1489         (okay_pointer_operation): Use support of pointer plus index,
1490         pointer plus constant and allow all multiplications.
1491
1492 2007-03-11  Richard Guenther  <rguenther@suse.de>
1493
1494         PR tree-optimization/31115
1495         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1496         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1497         A shift count of zero is not special as with *_DIV_EXPR.
1498         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1499         direction.
1500
1501 2007-03-11  Ian Lance Taylor  <iant@google.com>
1502
1503         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1504         the *_DIV_EXPR codes correctly with overflow infinities.
1505
1506 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1507
1508         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1509         indicate success/failure of the analysis. Add negation to subtrahend
1510         in case of subtraction. Fail if both operands contain constants.
1511         (create_data_ref): Fail if analyze_offset fails.
1512
1513 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1514
1515         * config/i386/i386.md (frndintxf2): Rename to ...
1516         (rintxf2): ... this. Remove expander having same name.
1517         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1518         (roundsf2, rounddf2): Ditto.
1519         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1520         (lround<mode>di2, lround<mode>si2): Ditto.
1521
1522 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1523
1524         * lower-subreg.c: Include except.h.
1525         (decompose_multiword_subregs): Verify that the only control flow
1526         insns we can split are loads to multi-words pseudos.
1527         Handle breaking such blocks after splitting, instead of calling
1528         find_many_sub_basic_blocks.
1529
1530         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1531         on the new basic block.  Add a lengthy comment explaining why we
1532         thought this was necessary.
1533         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1534
1535 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1536
1537         PR c++/30924
1538         * tree.c (walk_type_fields): Recurse into the element type of
1539         ARRAY_TYPEs if there is a pointer set.
1540
1541 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1542
1543         * c-common.c (warn_logical_operator): Fix condition.
1544
1545 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1546
1547         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1548         quotation mark.
1549         * config/darwin.c (machopic_select_section): Remove superfluous
1550         argument in call to categorize_decl_for_section.  Remove unused
1551         variable shlib.
1552
1553 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1554
1555         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1556         defined.
1557         * configure: Regenerate.
1558
1559 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1560
1561         PR target/31101
1562         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1563         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1564         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1565         Add LABEL_NUSES to emitted label.
1566         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1567         branch probability value to emitted jump insn.
1568         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1569         Do not check life information and do not re-arrange input operands
1570         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1571
1572 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1573
1574         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1575         the change of decode_asm_operands.
1576
1577 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1578
1579         * mode-switching.c (create_pre_exit): Skip blockage insn.
1580
1581 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1582
1583         * tree-pass.h (TODO_update_smt_usage): Remove.
1584         Update all users.
1585         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1586         argument SOME.
1587         Update all users.
1588
1589 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1590
1591         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1592         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1593         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1594         SOM target.
1595
1596 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1597
1598         * gcc.c: Document %{, in big comment at top.
1599         (input_suffix_matches): Remove special handling for .s and
1600         .S.
1601         (input_spec_matches): New.
1602         (handle_braces): Handle %{,.
1603         (validate_switches): ',' indicates a value which is not a switch.
1604         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1605         to detect assembler input.
1606         * config/i386/sol2.h (CPP_SPEC): Likewise.
1607         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1608         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1609         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1610         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1611         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1612         -m64 causes deployment target to default to 10.5.
1613         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1614
1615 2007-03-09  Richard Henderson  <rth@redhat.com>
1616
1617         PR target/26090
1618         * target.h (targetm.asm.out.reloc_rw_mask): New.
1619         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1620         (TARGET_ASM_OUT): Use it.
1621         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1622         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1623         use the new reloc_rw_mask target hook instead.
1624         (default_section_type_flags_1): Merge into...
1625         (default_section_type_flags): ... here.
1626         (decl_readonly_section_1): Merge into...
1627         (decl_readonly_section): ... here.
1628         (default_elf_select_section_1): Merge into...
1629         (default_elf_select_section): ... here.
1630         (default_unique_section_1): Merge into...
1631         (default_unique_section): ... here.
1632         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1633         (default_select_rtx_section): Use it.
1634         (default_elf_select_rtx_section): Likewise.
1635         * output.h: Update to match.
1636         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1637         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1638         (TARGET_ASM_RELOC_RW_MASK): New.
1639         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1640         to categorize_decl_for_section.
1641         (x86_64_elf_unique_section): Likewise.
1642         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1643         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1644         (TARGET_ASM_RELOC_RW_MASK): New.
1645         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1646         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1647         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1648         (TARGET_RWRELOC): Remove.
1649         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1650         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1651         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1652         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1653         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1654         (rs6000_xcoff_select_section): Use decl_readonly_section.
1655         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1656         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1657         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1658         (TARGET_SECTION_TYPE_FLAGS): Remove.
1659         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1660
1661 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1662
1663         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1664         complex constant equality/inequality comparisons for here.
1665         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1666         known at compile-time or can be simplified to a scalar comparison.
1667         (fold_relational_const): Move compile-time evaluation of complex
1668         constant equality/inequality comparisons to here.
1669
1670 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1671
1672         PR rtl-optimization/30643
1673         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1674         dest_addr_elt.
1675         (fold_rtx): Recurse, like before 2006-11-03.
1676
1677 2007-03-09  DJ Delorie  <dj@redhat.com>
1678
1679         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1680         m32c-pragma.o.
1681
1682 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1683
1684         PR tree-optimization/30375
1685         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1686         LHS of statements is not the same.
1687         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1688
1689 2007-03-09  Chao-ying Fu  <fu@mips.com>
1690
1691         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1692         REV 2.
1693         * doc/invoke.texi (-mdspr2): Document new option.
1694         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1695         New unspec for DSP REV 2.
1696         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1697         these instructions are extended in DSP REV 2.
1698         (mips-dspr2.md): Include.
1699         * config/mips/mips.opt (mdspr2): New option.
1700         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1701         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1702         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1703         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1704         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1705         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1706         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1707         and 2 builtins.
1708         (bdesc_map): Add one field of unsupported_target_flags.
1709         (bdesc_arrays):  Update entries to have extra fields.  Add
1710         dsp_32only_bdesc.
1711         (mips_init_builtins): Initialize new function types.
1712         Check unsupported_target_fileds to filter out builtins.
1713         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1714         TARGET_DSPR2.
1715         (ASM_SPEC): Pass mdspr2 to the assembler.
1716         * config/mips/mips-dspr2.md: New file.
1717
1718 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1719
1720         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1721
1722 2007-03-09  Ian Lance Taylor  <iant@google.com>
1723
1724         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1725         argument) like -Wstrict-overflow=2.
1726         * doc/invoke.texi (Warning Options): Update documentation.
1727
1728 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1729
1730         PR c++/17946
1731         * doc/invoke.texi (-Wlogical-op): Document.
1732         * common.opt (-Wlogical-op): New.
1733         * c-common.h (warn_logical_operator): Declare.
1734         * c-common.c (warn_logical_operator): Define.
1735         * c-typeck.c (parser_build_binary_op): Call
1736         warn_logical_operator.
1737
1738 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1739
1740         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1741         * final.c (final_scan_insn): Test for non-"" file name.
1742
1743 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1744
1745         * doc/loop.texi: Document the Omega linear constraints solver.
1746         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1747         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1748         omega-hash-table-size, omega-max-keys, and
1749         omega-eliminate-redundant-constraints.
1750         * tree-pass.h (pass_check_data_deps): Declared.
1751         * omega.c: New.
1752         * omega.h: New.
1753         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1754         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1755         pass_check_data_deps): New.
1756         * tree-data-ref.c (init_data_ref): Remove declaration.
1757         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1758         (analyze_array): Renamed init_array_ref, move up initializations.
1759         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1760         Removed arguments that are set to NULL.
1761         (analyze_indirect_ref): Correct indentation, correct call to
1762         init_pointer_ref.
1763         (object_analysis): Call init_array_ref instead of analyze_array.
1764         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1765         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1766         of DR_ACCESS_FNS_ADDR.
1767         (init_omega_eq_with_af, omega_extract_distance_vectors,
1768         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1769         ddr_consistent_p): New.
1770         (compute_affine_dependence): Check consistency of ddrs when
1771         flag_check_data_deps is passed.
1772         (analyze_all_data_dependences): Uncomment.
1773         (tree_check_data_deps): New.
1774         * tree-data-ref.h: Include omega.h.
1775         (DR_ACCESS_FNS_ADDR): Removed.
1776         (data_dependence_relation): Add inner_loop.
1777         (DDR_INNER_LOOP): New.
1778         * common.opt (fcheck-data-deps): New.
1779         * tree-flow.h (tree_check_data_deps): Declare.
1780         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1781         (OBJS-common): Depend on omega.o.
1782         (omega.o): Define.
1783         * passes.c (pass_check_data_deps): Scheduled.
1784         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1785         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1786         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1787         PARAM_VECT_MAX_VERSION_CHECKS,
1788         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1789
1790 2007-03-09  Richard Guenther  <rguenther@suse.de>
1791
1792         PR tree-optimization/30904
1793         PR middle-end/31058
1794         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1795         the same way as *_DIV_EXPR.
1796
1797 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1798
1799         * recog.c (decode_asm_operands): No mixed declarations and code.
1800
1801 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1802
1803         * rtl.def (ASM_INPUT): Add location.
1804         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1805         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1806         (decode_asm_operands): Add loc operand.
1807         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1808         * stmt.c (expand_asm): Rename to...
1809         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1810         gen_rtx_ASM_INPUT_loc.
1811         (expand_asm_expr): Adjust.
1812         * recog.c (decode_asm_operands): Add loc operand.
1813         (check_asm_operands, extract_insn): Adjust.
1814         * reload1.c (maybe_fix_stack_asms): Likewise.
1815         * final.c (asm_insn_count): Likewise.
1816         (final_scan_insn): Output # line before and after asm.
1817
1818 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1819
1820         * tree-ssa-structalias.c (variable_info): Remove
1821         finished_solution.
1822         (new_var_info): Ditto.
1823         (shared_bitmap_info_t): New structure.
1824         (shared_bitmap_table): New variable.
1825         (shared_bitmap_hash): New function.
1826         (shared_bitmap_eq): Ditto
1827         (shared_bitmap_lookup): Ditto.
1828         (shared_bitmap_add): Ditto.
1829         (merge_smts_into): Change to take bitmap directly.
1830         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1831         (init_alias_vars): Init shared bitmap hashtable.
1832         (delete_points_to_sets): Delete shared bitmap hashtable.
1833         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1834         is_aliased removal as a change that was still necessary was
1835         deleted.
1836
1837 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1838
1839         * config/i386/i386.h (override_options): Conditionally disable
1840         x86_sahf for 64bit targets only.
1841
1842 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1843
1844         PR C/31072
1845         * c-decl.c (merge_decls): Don't call make_var_volatile.
1846         * varasm.c (make_var_volatile): Remove.
1847         * output.h (make_var_volatile): Remove.
1848
1849 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1850
1851         PR tree-optimization/31085
1852         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1853
1854 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1855
1856         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1857         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1858         ATTR_CONST_NOTHROW_LIST.
1859
1860         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1861         FIX_TRUNC_EXPR.
1862
1863 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1864
1865         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1866
1867 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1868
1869         PR 31013
1870         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1871         is declared.
1872         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1873         passed, use shared libgcc.
1874
1875 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1876
1877         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1878         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1879         (honor_protect_cleanup_actions, lower_try_finally_switch):
1880         Likewise.
1881         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1882         ifc_temp_var): Likewise.
1883         * tree-inline.c (setup_one_parameter): Likewise.
1884         * tree-mudflap.c (mf_decl_cache_locals,
1885         mf_build_check_statement_for): Likewise.
1886         * tree-nested.c (init_tmp_var, save_tmp_var,
1887         finalize_nesting_tree_1): Likewise.
1888         * tree-outof-ssa.c (insert_copy_on_edge,
1889         insert_backedge_copies): Likewise.
1890         * tree-profile.c (tree_gen_edge_profiler,
1891         tree_gen_ic_profiler): Likewise.
1892         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1893         * tree-sra.c (sra_build_assignment): Likewise.
1894         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1895         * tree-ssa-math-opts.c (insert_reciprocals,
1896         execute_cse_sincos_1): Likewise.
1897         * tree-tailcall.c (adjust_accumulator_values,
1898         adjust_return_value): Likewise.
1899         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1900         * tree-vect-transform.c (vect_create_data_ref_ptr,
1901         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1902         vect_create_epilog_for_reduction, vectorizable_reduction,
1903         vectorizable_call, vectorizable_conversion,
1904         vectorizable_assignment, vectorizable_operation,
1905         vectorizable_type_demotion, vect_gen_widened_results_half,
1906         vect_permute_store_chain, vectorizable_store,
1907         vect_setup_realignment, vect_permute_load_chain,
1908         vectorizable_load, vectorizable_condition,
1909         vect_create_cond_for_align_checks): Likewise.
1910         * tree-vrp.c (build_assert_expr_for): Likewise.
1911
1912 2007-03-08  Ian Lance Taylor  <iant@google.com>
1913
1914         * tree-vrp.c: Include "intl.h".
1915         (usable_range_p): New static function.
1916         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1917         overflowed values, juts set *strict_overflow_p.
1918         (compare_values): Only return -2 if one of the operands is not a
1919         constant.
1920         (compare_ranges): Call usable_range_p.
1921         (compare_range_with_value): Likewise.
1922         (vrp_evaluate_conditional_warnv): Rename from
1923         vrp_evaluate_conditional.  Make static.  Change all callers.
1924         (vrp_evaluate_conditional): New function.
1925         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1926         on signed overflow.
1927         (simplify_abs_using_ranges): Likewise.
1928         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1929         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1930         within_stmt parameter.
1931         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1932         vrp_evaluate_conditional.
1933         * tree-ssa-threadedge.c
1934         (record_temporary_equivalences_from_stmts_at_dest): Change
1935         simplify parameter to take a second tree parameter.
1936         (simplify_control_stmt_condition): Likewise.
1937         (thread_across_edge): Likewise.
1938         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1939         (thread_across_edge): Likewise.
1940         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1941
1942 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1943
1944         * config/i386/i386.h (TARGET_SAHF): New define.
1945         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1946         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1947         (x86_sahf): New global variable.
1948         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1949         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1950         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1951         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1952         for 64-bit.
1953         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1954         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1955         when expanding fcomi/sahf based tests.
1956         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1957         expanding sahf based alternative. Emit sahf based sequence when
1958         optimizing for code size.
1959         * config/i386/i386.md (x86_sahf_1): Do not disable for
1960         TARGET_64BIT, enable for TARGET_SAHF.
1961
1962 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1963
1964         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1965         spurious whitespace from error message.
1966
1967 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1968
1969         PR c++/30852
1970         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1971
1972 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1973
1974         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1975         bitfields.
1976         * tree-sra.c (instantiate_element): Propagate disabled warnings
1977         from the element itself to the created variable.
1978
1979 2007-03-07  Richard Henderson  <rth@redhat.com>
1980
1981         PR target/30848
1982         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1983         silently fix up the stack in the case of a missing register.
1984
1985 2007-03-07  Paul Brook  <paul@codesourcery.com>
1986
1987         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1988
1989 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1990
1991         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1992         New.
1993         (phase1_vrs): Use them.
1994         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1995         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1996         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1997         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1998         __gnu_Unwind_Restore_WMMXC if required.
1999         (_Unwind_VRS_Pop): Implement iWMMXt support.
2000         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2001         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2002         gnu_Unwind_Save_WMMXC): Define.
2003
2004 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2005
2006         * config/vxworks.h (vxworks_override_options): Declare.
2007         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2008         * config/vxworks.c: Include target.h and toplev.h.
2009         (vxworks_override_options): New function.
2010         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2011
2012 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2013
2014         * config/s390/s390.c (override_options): Don't emit an error when
2015         -mstack-size is used without providing -mstack-guard.
2016         (s390_emit_prologue): Choose stack_guard value automatically if not
2017         provided via command line.
2018         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2019
2020 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2021
2022         * config/i386/i386.c (output_set_got): Add a GOT initialization
2023         sequence for VxWorks PIC.
2024         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2025         around labels as well as symbols.  Use gotoff_operand instead
2026         of local_symbolic_operand.
2027         (legitimize_pic_address): Use gotoff_operand instead of
2028         local_symbolic_operand.  Use @GOT accesses for labels as
2029         well as symbols.
2030         (ix86_output_addr_diff_elt): Use PC-relative rather than
2031         GP-relative offsets for VxWorks PIC.
2032         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2033         no_new_pseudos.  Check whether the returned register is op0.
2034         * config/i386/i386.md (tablejump): Use PC-relative rather than
2035         GP-relative offsets for VxWorks PIC.
2036         * config/i386/predicates.md (gotoff_operand): New predicate.
2037
2038 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2039
2040         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2041         before defining.
2042         * config/vxworks-dummy.h: New file.
2043         * config/i386/i386.h: Include it.
2044
2045 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2046
2047         * dwarf2out.c (is_inlined_entry_point): New
2048         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2049         DW_AT_ranges if the first subblock is the entry point.
2050
2051 2007-03-06  David Daney  <ddaney@avtrex.com>
2052
2053         * doc/install.texi (mips-*-*): Change recommended binutils
2054         version.
2055
2056 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2057
2058         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2059         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2060         devices.
2061         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2062         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2063
2064 2007-03-06  Jan Hubicka  <jh@suse.cz>
2065
2066         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2067         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2068         are hot.
2069         (probably_cold_bb_p): Cold functions are cold.
2070         (probably_never_executed_bb_p): Cold functions are cold.
2071         (tree_bb_level_predictions): Predict calls to cold functions as not
2072         taken.
2073         (compute_function_frequency): Check hot/cold attributes.
2074         * function.h (function_frequency): Update comments.
2075         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2076         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2077         (c_common_att): Add cold and hot.
2078
2079         * doc/extend.texi (hot,cold attributes): Document.
2080
2081 2007-03-06  Andrew Haley  <aph@redhat.com>
2082
2083         * function.c (expand_function_end): Move blockage to just after we
2084         emit the label for the naked return from the function.
2085
2086 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2087
2088         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2089         before redefining.
2090
2091 2007-03-06  Jan Hubicka  <jh@suse.cz>
2092
2093         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2094         loaded for constant large models.  Non-large 64bit PIC can do.
2095         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2096         * cmodel.h: Add LARGE PIC.
2097         * i386.md (UNSPEC_PLTOFF): New.
2098         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2099         needed.
2100         (*call_1_rex64): Disable for large models.
2101         (*call_1_rex64_large): New.
2102         (*call_value_1_rex64): Disable for large models.
2103         (*call_value_1_rex64_large): New.
2104         (set_rip_rex4): New.
2105         (set_got_offset_rex64): New.
2106         * predicates.md (constant_call_address_operand): For large model
2107         constant calls are not possible.
2108         * i386-protos.h (construct_plt_address): Declare.
2109         * i386.c (override_options): Accept large models.
2110         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2111         (legitimate_constant_p): Add new UNSPECs.
2112         (legitimate_pic_operand_p): Likewise.
2113         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2114         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2115         non-large model.
2116         (output_pic_addr_const): Add PLTOFF.
2117         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2118         (ix86_expand_move): Legitimize pic address when in PIC mode.
2119         (construct_plt_address): New function.
2120         (ix86_expand_call): Offload the address to register and use GOT pointer
2121         for large model.
2122         * invoke.texi (mcmodel=large): Update documentation.
2123
2124 2007-03-06  Richard Henderson  <rth@redhat.com>
2125
2126         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2127         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2128         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2129         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2130         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2131         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2132         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2133         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2134         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2135         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2136         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2137         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2138         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2139         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2140         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2141         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2142         x86_schedule, x86_use_bt, x86_pad_returns,
2143         x86_use_xchgb): Merge into ...
2144         (ix86_tune_features): ... here.  New array.
2145         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2146         x86_bswap): Merge into ...
2147         (ix86_arch_features): ... here.  New array.
2148         (x86_3dnow_a): Remove.
2149         (x86_accumulate_outgoing_args): Make static.
2150         (x86_arch_always_fancy_math_387): Make static.
2151         (ix86_tune_mask, ix86_arch_mask): Move ...
2152         (override_options): ... to local variables here.  Apply the
2153         appropriate mask to each element of ix86_arch_features and
2154         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2155         as were done in the old macros.
2156         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2157         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2158         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2159         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2160         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2161         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2162         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2163         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2164         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2165         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2166         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2167         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2168         x86_accumulate_outgoing_args, x86_prologue_using_move,
2169         x86_epilogue_using_move, x86_decompose_lea,
2170         x86_arch_always_fancy_math_387, x86_shift1,
2171         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2172         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2173         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2174         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2175         x86_use_incdec, x86_pad_returns, x86_bswap,
2176         x86_partial_flag_reg_stall): Remove.
2177         (enum ix86_tune_indices): New.
2178         (ix86_tune_features): New.
2179         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2180         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2181         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2182         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2183         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2184         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2185         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2186         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2187         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2188         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2189         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2190         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2191         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2192         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2193         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2194         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2195         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2196         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2197         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2198         TARGET_EXT_80387_CONSTANTS): Use it.
2199         (enum ix86_arch_indices): New.
2200         (ix86_arch_features): New.
2201         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2202         TARGET_BSWAP): Use it.
2203         (ix86_tune_mask, ix86_arch_mask): Remove.
2204
2205 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2206
2207         PR bootstrap/31020
2208         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2209         Define using $${sysroot_headers_suffix}.
2210         * configure: Regenerate.
2211         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2212         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2213         defined.
2214         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2215         * gcc.c (print_sysroot_headers_suffix): New.
2216         (option_map): Include --print-sysroot-headers-suffix.
2217         (display_help): Mention -print-sysroot-headers-suffix.
2218         (process_command): Handle -print-sysroot-headers-suffix.
2219         (do_spec_1): Append multilib directory to include-fixed path if
2220         sysroot suffixes in use.
2221         (main): Handle -print-sysroot-headers-suffix.
2222         * Makefile.in (start.encap): Don't depend on xlimits.h
2223         (xlimits.h): Remove.
2224         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2225         limits.h for each multilib in fixinc_list.
2226         (fixinc_list, s-fixinc_list): New.
2227         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2228         generate them for each multilib in fixinc_list.
2229         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2230         multilib in fixinc_list.
2231         (mostlyclean): Don't remove xlimits.h.
2232         (clean): Remove include-fixed.
2233         (real-install-headers-tar, real-install-headers-cpio,
2234         real-install-headers-cp): Don't copy include, only include-fixed.
2235         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2236         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2237         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2238         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2239
2240 2007-03-06  Jan Hubicka  <jh@suse.cz>
2241
2242         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2243         NANs easilly.
2244
2245 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2246
2247         * configure.ac: Allow tm_file to contain build-directory files.
2248         * configure: Regenerate.
2249         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2250         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2251         * config/m68k/print-sysroot-suffix.sh: New file.
2252
2253 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2254
2255         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2256         of pic_offset_table_rtx if reload_completed.
2257         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2258         PIC_OFFSET_TABLE_REGNUM.
2259         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2260         return true.
2261         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2262         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2263
2264 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2265
2266         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2267         functions that call eh_return.
2268
2269 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2270
2271         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2272         functions that need a constant pool.
2273
2274 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2275
2276         PR target/28181
2277         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2278         (m68k_preferred_reload_class): Likewise.
2279         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2280         (SECONDARY_RELOAD_CLASS): Define.
2281         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2282         (LIMIT_RELOAD_CLASS): Delete.
2283         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2284         registers from storing bytes.
2285         (m68k_secondary_reload_class): New function.
2286         (m68k_preferred_reload_class): Likewise.
2287
2288 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2289
2290         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2291         leaf functions.
2292         (m68k_expand_prologue): Likewise.
2293
2294 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2295
2296         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2297         (mips_expand_epilogue): Add a bool parameter.
2298         (m68k_legitimize_sibcall_address): Declare.
2299         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2300         (m68k_expand_epilogue): Add a parameter to select between sibling
2301         and normal epilogues.  Only generate a return for the latter.
2302         (m68k_ok_for_sibcall_p): New function.
2303         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2304         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2305         (sibcall_value, *sibcall_value): Likewise.
2306         (*call, *call_value): Require !SIBLING_CALL_P.
2307         (epilogue): Update call to m68k_expand_epilogue.
2308         (sibcall_epilogue): New pattern.
2309         * config/m68k/predicates.md (const_call_operand): Say that this
2310         predicate applies to sibling calls too.
2311         (sibcall_operand): New predicate.
2312
2313 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2314
2315         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2316         alternatives as movsi_cf.
2317         (movsf_cf_hard): Add commentary.
2318
2319 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2320             Richard Sandiford  <richard@codesourcery.com>
2321
2322         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2323         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2324         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2325         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2326         as being live on exit from an interrupt function.
2327         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2328         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2329         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2330         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2331         (m68k_interrupt_function_p): Globalize.
2332         (m68k_compute_frame_layout): Remove reverse mask code.
2333         (m68k_emit_movem, m68k_set_frame_related): New functions.
2334         (m68k_output_function_prologue): Delete in favor of...
2335         (m68k_expand_prologue): ...this new function.
2336         (m68k_output_function_epilogue): Delete in favor of...
2337         (m68k_expand_epilogue): ...this new function.
2338         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2339         functions.
2340         (print_operand): Handle %?.
2341         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2342         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2343         (prologue, epilogue): New patterns.
2344         (return): Turn into a define_expand.
2345         (*return): New pattern, derived from old "return" pattern.  Use rte
2346         rather than rts for interrupt functions.  Only use rtd if the pop
2347         count is nonzero.
2348         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2349         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2350         (link, *link, unlink, *unlink, load_got): Likewise.
2351
2352 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2353
2354         PR target/23482
2355         PR target/17114
2356         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2357         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2358         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2359         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2360         and m68k_matches_u_p.
2361         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2362         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2363         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2364         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2365         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2366         (REG_STRICT_P): New macro.
2367         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2368         PCREL_GENERAL_OPERAND_OK.
2369         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2370         m68k_legitimate_base_reg_p.
2371         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2372         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2373         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2374         * config/m68k/m68k.c (m68k_address): New structure.
2375         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2376         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2377         (m68k_jump_table_ref_p, m68k_decompose_address)
2378         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2379         (m68k_matches_u_p): New functions.
2380         (print_operand_address): Rewrite to use m68k_decompose_index.
2381
2382 2007-03-05  David Taylor  <dtaylor@emc.com>
2383
2384         * gcc.c: Correct copyright date in --version output.
2385
2386 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2387
2388         * pa.md: In unamed move patterns, disparge copies between general
2389         and floating point registers using '?' modifier.  Don't include 'f'
2390         constraint for register preferences in DImode, SImode, HImode and
2391         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2392         Remove constraints for copies between general and floating registers
2393         in soft-float DFmode pattern.
2394         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2395         floating register.
2396         (movsf): Likewise.
2397
2398 2007-03-05  Mike Stump  <mrs@apple.com>
2399
2400         * c-common.c (targetcm): Add.
2401         * c-opts.c (c_common_handle_option): Handle language specific
2402         target options.
2403         * opts.c (handle_option): Verify language for target options, if
2404         any are given.
2405         * opth-gen.awk: Add CL_LANG_ALL.
2406         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2407         (TARGETCM_INITIALIZER): Add.
2408         * target.h (struct gcc_targetcm): Add.
2409         (targetcm): Add.
2410         * targhooks.c (default_handle_c_option): Add.
2411         * targhooks.h (default_handle_c_option): Add.
2412         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2413
2414         * config/darwin.opt (iframework): Add.
2415         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2416         * config/darwin-c.c (handle_c_option): Add.
2417         (TARGET_HANDLE_C_OPTION): Add.
2418         (targetcm): Add.
2419         * doc/invoke.texi (Darwin Options): Add -iframework.
2420
2421 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2422
2423         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2424         conversion.
2425
2426 2007-03-05  Ian Lance Taylor  <iant@google.com>
2427
2428         * c.opt (fgnu89-inline): New option.
2429         * c-opts.c (c_common_post_options): Set default value for
2430         flag_gnu89_inline.
2431         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2432         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2433         inline functions.
2434         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2435         (grokdeclarator, start_function): Likewise.
2436         * c-cppbuiltin.c (c_cpp_builtins): Define either
2437         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2438         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2439         (C Dialect Options): Document -fgnu89-inline.
2440         * doc/extend.texi (Function Attributes): Explain what the
2441         gnu_inline attribute does.
2442         * doc/cpp.texi (Common Predefined Macros): Document
2443         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2444
2445 2007-03-05  Ian Lance Taylor  <iant@google.com>
2446
2447         PR tree-optimization/31034
2448         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2449         half-range if the other side is an overflow infinity.
2450
2451 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2452
2453         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2454         (bfin*-linux-uclibc*): New configuration.
2455         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2456         defining.
2457         * config/bfin/linux.h: New file.
2458         * config/bfin/libgcc-bfin.ver: New file.
2459         * config/bfin/t-bfin-uclinux: New file.
2460         * config/bfin/t-bfin-linux: New file.
2461         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2462         (TARGET_OS_CPP_BUILTINS): New macro.
2463
2464 2007-03-05  Richard Guenther  <rguenther@suse.de>
2465
2466         * fold-const.c (fold_binary): Remove duplicate folding
2467         of comparison of non-null ADDR_EXPR against null.
2468
2469 2007-03-05  Richard Guenther  <rguenther@suse.de>
2470             Dorit Nuzman  <dorit@il.ibm.com>
2471
2472         PR tree-optimization/26420
2473         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2474         are no loops in the function.  Only print the number of
2475         vectorized loops if it is greater than zero or we are supposed
2476         to print information about unvectorized loops.
2477
2478 2007-03-05  Revital Eres  <eres@il.ibm.com>
2479
2480         * gcc.dg/var-expand1.c: New test.
2481         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2482         when an accumulator is expanded.
2483
2484 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2485
2486         PR other/30465
2487         * c-common.c (convert_and_check): Don't give warnings for
2488         conversion if 'expr' already overflowed.
2489
2490 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2491
2492         PR middle-end/30744
2493         * fold-const.c (fold_comparison): Enforce type consistency when
2494         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2495
2496 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2497
2498         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2499         containing a cast to the base of TARGET_MEM_REF.
2500
2501 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2502
2503         * tree.c (tree_contains_struct_check_failed): Remove spurious
2504         whitespace from error message.
2505
2506 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2507
2508         PR target/30406
2509         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2510         instead of precision.
2511
2512 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2513             Nathan Sidwell  <nathan@codesourcery.com>
2514
2515         * emit-rtl.c (find_auto_inc): New.
2516         (try_split): recreate REG_INC notes,
2517         Use regular for loops rather than whiles.
2518
2519 2007-03-03  Andreas Schwab  <schwab@suse.de>
2520
2521         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2522         * configure: Regenerate.
2523
2524 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2525
2526         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2527         flag_rounding_math, not flag_unsafe_math_optimizations.
2528
2529         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2530         fold_build2.
2531         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2532         alpha_fold_vector_minmax): Likewise.
2533         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2534         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2535
2536 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2537
2538         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2539         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2540         if the lhs has side-effects.
2541         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2542
2543 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2544
2545         * config/i386/i386.h (TUNEMASK): Remove define.
2546         (ARCHMASK): Remove define.
2547         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2548          Use ix86_arch_mask variable instead of ARCHMASK.
2549         * config/i386/i386.c (override_options): Ditto.
2550         (standard_80387_constant_p): Ditto.
2551
2552 2007-03-02  Ian Lance Taylor  <iant@google.com>
2553
2554         Used signed infinities in VRP.
2555         * tree-vrp.c (uses_overflow_infinity): New static function.
2556         (supports_overflow_infinity): New static function.
2557         (make_overflow_infinity): New static function.
2558         (negative_overflow_infinity): New static function.
2559         (positive_overflow_infinity): New static function.
2560         (is_negative_overflow_infinity): New static function.
2561         (is_positive_overflow_infinity): New static function.
2562         (is_overflow_infinity): New static function.
2563         (overflow_infinity_range_p): New static function.
2564         (compare_values_warnv): New function split out of compare_values.
2565         (compare_value): Call it.
2566         (set_value_range_to_nonnegative): Add overflow_infinity
2567         parameter.  Change caller.
2568         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2569         Change callers.
2570         (vrp_expr_computes_nonzero): Likewise.
2571         (compare_ranges, compare_range_with_value): Likewise.
2572         (compare_name_with_value, compare_names): Likewise.
2573         (vrp_evaluate_conditional): Likewise.
2574         (set_value_range): Handle infinity
2575         (vrp_operand_equal_p, operand_less_p): Likewise.
2576         (extract_range_from_assert): Likewise.
2577         (vrp_int_const_binop): Likewise.
2578         (extract_range_from_binary_expr): Likewise.
2579         (extract_range_from_unary_expr): Likewise.
2580         (extract_range_from_comparison): Likewise.
2581         (extract_range_from_expr): Likewise.
2582         (dump_value_range): Likewise.
2583         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2584         (test_for_singularity): Likewise.
2585         (vrp_int_const_binop): Remove inline qualifier.
2586         (adjust_range_with_scev): Add comment.
2587         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2588
2589 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2590
2591         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2592         (get_constraint_for): Likewise.
2593         (do_structure_copy): Likewise.
2594         (find_func_aliases): Fix references to MODIFY_EXPR.
2595         (intra_create_variable_infos): Tidy.
2596         * tree-ssa-operands.c (add_virtual_operand): Add argument
2597         IS_CALL_SITE.
2598         When adding members of alias sets, if IS_CALL_SITE is true and
2599         the symbol is not call-clobbered, skip it.
2600         Adjust all callers.
2601
2602 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2603
2604         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2605         entry by means of emit_insn_at_entry.
2606
2607 2007-03-02  Richard Henderson  <rth@redhat.com>
2608
2609         * expr.h (promoted_input_arg): Remove decl.
2610         * function.c (promoted_input_arg): Merge into ...
2611         * combine.c (setup_incoming_promotions): ... only caller.
2612         Rearrange to avoid double loop.
2613
2614 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2615             Peter Bergner  <bergner@vnet.ibm.com>
2616             Janis Johnson  <janis187@us.ibm.com>
2617
2618         * config/rs6000/dfp.md: New file.
2619         * config/rs6000/rs6000.md: Include dfp.md.
2620         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2621         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2622         and TDmode decimal float modes in FP registers.
2623         (num_insns_constant): Likewise.
2624         (rs6000_legitimate_offset_address_p): Likewise.
2625         (rs6000_legitimize_address): Likewise.
2626         (rs6000_legitimize_reload_address): Likewise.
2627         (rs6000_legitimate_address): Likewise.
2628         (rs6000_emit_move): Likewise.
2629         (function_arg_boundary): Likewise.
2630         (function_arg_advance): Likewise.
2631         (rs6000_darwin64_record_arg_recurse): Likewise.
2632         (function_arg): Likewise.
2633         (rs6000_gimplify_va_arg): Likewise.
2634         (rs6000_split_multireg_move): Likewise.
2635         (rs6000_output_function_epilogue): Likewise.
2636         (rs6000_output_function_epilogue): Likewise.
2637         (rs6000_register_move_cost): Likewise.
2638         (rs6000_function_value): Likewise.
2639         (rs6000_libcall_value): Likewise.
2640
2641 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2642
2643         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2644
2645 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2646
2647         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2648         Use $MULTIDIR to choose between the kernel and RTP headers,
2649         and use $WIND_BASE and $WIND_USR to locate them.
2650
2651 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2652
2653         * config/i386/i386.c (override_options): Put initialization of
2654         ix86_tune_mask and ix86_arch_mask to the correct place.
2655
2656 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2657             Michael Meissner  <michael.meissner@amd.com>
2658
2659         PR target/31019
2660         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2661         (ARCHMASK): Define.
2662         (TARGET_CMOVE): Use ARCHMASK.
2663         (TARGET_CMPXCHG): Ditto.
2664         (TARGET_CMPXCHG8B): Ditto.
2665         (TARGET_XADD): Ditto.
2666         (TARGET_BSWAP): Ditto.
2667         * config/i386/i386.c (ix86_tune_mask): New global variable.
2668         (ix86_arch_mask): Ditto.
2669         (override_options): Initialize ix86_tune_mask and
2670         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2671         target_flags.
2672
2673 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2674
2675         PR 30992
2676         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2677
2678 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2679
2680         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2681         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2682         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2683         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2684         hook.
2685         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2686         rs6000_init_dwarf_reg_sizes_extra): New.
2687         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2688         SPE register high parts.
2689
2690 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2691
2692         * Makefile.in: Add install-pdf target as
2693         copied from automake v1.10 rules.
2694         * configure.ac: Add install-pdf to target list.
2695         * configure: Regenerate.
2696
2697 2007-03-01  Paul Brook  <paul@codesourcery.com>
2698
2699         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2700         modes to LDRD for DImode.
2701         (output_move_double): Fixup out of range ldrd/strd.
2702         (vfp_secondary_reload_class): Rename...
2703         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2704         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2705         coproc_secondary_reload_class for CLASS_IWMMXT.
2706         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2707         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2708
2709 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2710
2711         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2712         factor by the estimated number of iterations.
2713         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2714         prefetch latency.
2715
2716         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2717         decode_caches_intel, detect_caches_intel): New functions.
2718         (host_detect_local_cpu): Use detect_caches_amd and
2719         detect_caches_intel.
2720
2721 2007-03-01  Richard Henderson  <rth@redhat.com>
2722
2723         * expr.c (emit_move_complex_push): Export.
2724         (emit_move_complex_parts): Split out from ...
2725         (emit_move_complex): ... here.
2726         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2727         * config/i386/i386.md (movcdi): New.
2728
2729 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2730
2731         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2732         size of mode1 to check for tieable modes in MMX case.
2733
2734 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2735
2736         * Makefile.in (rtlanal.o): Depend on tree.h.
2737         * rtl.h (offset_within_section_p, split_const): Declare.
2738         * rtlanal.c: Include tree.h.
2739         (offset_within_block_p): New function, taken from
2740         mips_offset_within_object_p.
2741         (split_const): New function, taken from mips_split_const.
2742         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2743         Declare.
2744         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2745         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2746         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2747         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2748         (m68k_illegitimate_symbolic_constant_p): New function.
2749         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2750         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2751         symbolic constant that might be outside the symbol's section,
2752         move the symbol first and then add the offset.
2753         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2754         Override.
2755         * config/mips/mips.c (mips_split_const): Delete.
2756         (mips_offset_within_object_p): Delete.
2757         (mips_symbolic_constant_p): Use offset_within_section_p and
2758         split_const instead of mips_offset_within_object_p and
2759         mips_split_const.
2760         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2761         (mips_legitimize_const_move, print_operand_reloc)
2762         (mips_dangerous_for_la25_p): Use split_const instead of
2763         mips_split_const.
2764
2765 2007-02-28  Eric Christopher  <echristo@apple.com>
2766
2767         * Makefile.in (install-include-dir): Don't rm -rf include.
2768
2769 2007-02-28  Richard Guenther  <rguenther@suse.de>
2770
2771         PR middle-end/30364
2772         * fold-const.c (fold_binary): Do not associate expressions
2773         with more than one variable for integer types that do not wrap.
2774
2775 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2776
2777         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2778         Delete, and replace with...
2779         (fold_builtin_call_array): This.  Update callers to use it.
2780         * fold-const.c (fold_build_call_list): Delete, and replace with...
2781         (fold_build_call_array): This.
2782         (fold_build_call_list_initializer): Delete, and replace with...
2783         (fold_build_call_array_initializer): This.
2784         * tree.h: Update declarations to reflect above changes.
2785
2786         * c-typeck.c (build_function_call): Store converted arguments
2787         in a stack-allocated array instead of building a list.
2788         (convert_arguments): Store arguments in the array passed in as an
2789         argument, and return the actual number of arguments.
2790         * c-format.c: (check_function_format): Pass arguments in an
2791         array instead of a list.
2792         * c-common.c (check_function_nonnull): Likewise.
2793         (check_function_sentinel): Likewise.
2794         (check_function_arguments): Likewise.
2795         * c-common.h: Update declarations to reflect above changes.
2796
2797 2007-02-28  Jan Hubicka  <jh@suse.cz>
2798
2799         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2800         PRED_NEGATIVE_RETURN): Update outcomes.
2801
2802 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2803
2804         * calls.c (emit_library_call_value_1): Handle partial registers
2805         correctly when building up CALL_INSN_FUNCTION_USAGE.
2806
2807 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2808
2809         * pa/predicates.md (move_src_operand): Allow zero for mode.
2810         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2811         move pattern.
2812
2813 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2814
2815         PR target/30970
2816         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2817         *movv2df_internal): Enable pattern only for valid operand
2818         combinations.
2819         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2820         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2821
2822 2007-02-27  Mike Stump  <mrs@apple.com>
2823
2824         * config/darwin-crt3.c: Avoid compilation when compiling for a
2825         kext multilib.
2826
2827 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2828
2829         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2830         FIXED_INCLUDE_DIR.
2831         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2832         for fixed headers and limits.h.
2833         (install-include-dir, install-headers-tar, install-headers-cpio,
2834         install-headers-cp, real-install-headers-tar,
2835         real-install-headers-cpio, real-install-headers-cp): Handle
2836         include-fixed as well as include.
2837         (install-mkheaders): Don't install files that go only in include
2838         not include-fixed.
2839         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2840         from GCC_INCLUDE_DIR.
2841         * gcc.c (process_command): Remove special -BstageN/ handling.
2842         (do_spec_1): Add include-fixed directories.
2843
2844 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2845
2846         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2847         _smulsi3_highpart.
2848         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2849         New functions.
2850         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2851         patterns.
2852
2853 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2854
2855         * c-common.c (get_priority): Add check for
2856         SUPPORTS_INIT_PRIORITY.
2857
2858 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2859
2860         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2861
2862         * config/bfin/bfin.c: Include "cfglayout.h".
2863         (MAX_LSETUP_DISTANCE): New macro.
2864         (struct loop_info): New members incoming, incoming_src and
2865         incoming_dest.  Delete member predecessor.
2866         (length_for_loop): New function.
2867         (bfin_optimize_loop): Handle more different loop structures.
2868         (bfin_discover_loop): Rework detection of predecessor blocks by
2869         examining incoming edges.
2870         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2871         bfin_reorg_loops.
2872         (bfin_reorder_loops): New function.
2873         (bfin_reorg_loops): Use these three new functions.
2874
2875         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2876         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2877         (CONSTRAINT_LEN): Add entry for 'q'.
2878         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2879         Add 'q' constraints.
2880         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2881         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2882
2883         * config/bfin/bfin.md (add_with_carry): New pattern.
2884         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2885         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2886         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2887         support unsigned multiplies too.  Removed incorrect commutativity from
2888         operand 1 constraint where appropriate.
2889         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2890         patterns.
2891         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2892         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2893         New patterns.
2894         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2895         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2896         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2897         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2898         usmulhisi_hh_huh): New patterns.
2899
2900         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2901         lshifthi3): Fix output template to use half reg for operand 2.
2902
2903         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2904         instead of R2.
2905
2906         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2907
2908 2007-02-27  Andreas Schwab  <schwab@suse.de>
2909
2910         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2911
2912 2007-02-27  Jan Hubicka  <jh@suse.cz>
2913
2914         * predict.c (last_basic_block_p): Remove.
2915         (tree_estimate_probability): Update return heuristic for commonized
2916         return blocks.
2917
2918 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2919
2920         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2921
2922 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2923
2924         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2925         * doc/cpp.texi: Standardize title page.
2926         * doc/cppinternals.texi: Likewise.
2927         * doc/gcc.texi: Standardize title page, remove version number
2928         from copyright page.
2929         * doc/gccint.texi: Likewise.
2930         * doc/install.texi: Standardize title page, add table of
2931         contents.
2932
2933 2007-02-26  Jan Hubicka  <jh@suse.cz>
2934
2935         * predict.def: Set outcomes according to more recent results.
2936         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2937         Remove dead predictors.
2938         * predict.c (return_prediction): Fix pasto.
2939
2940 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2941
2942         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2943         change; avoid a memory leak when returning early.
2944
2945 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2946
2947         * c-decl.c (static_ctors): Move to c-common.c.
2948         (static_dtors): Likewise.
2949         (finish_function): Use c_record_cdtor_fn.
2950         (build_cdtor): Move to c-common.c.
2951         (c_write_global_declarations): Use c_build_cdtor_fns.
2952         * c-common.h (static_ctors): Declare.
2953         (static_dtors): Likewise.
2954         (c_record_cdtor_fn): Likewise.
2955         (c_build_cdtor_fns): Likewise.
2956         * c-common.c (static_ctors): New variable.
2957         (static_dtors): Likewise.
2958         (c_record_cdtor_fn): New function.
2959         (build_cdtor): Move from c-decl.c
2960         (c_build_cdtor_fns): New function.
2961
2962         * output.h (assemble_addr_to_section): Declare.
2963         (get_cdtor_priority_section): Likewise.
2964         * varasm.c (assemble_addr_to_section): New function.
2965         (get_cdtor_priority_section): Likewise.
2966         (default_named_section_asm_out_destructor): Use them.
2967         (destor_dtor_section_asm_out_destructor): Likewise.
2968         (default_named_section_asm_out_constructor): Likewise.
2969         (default_ctor_section_asm_out_constructor): Likewise.
2970         * config.gcc (*-*-vxworks*): Include vxworks.o.
2971         * config/t-vxworks (vxworks.o): New target.
2972         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2973         (TARGET_ASM_CONSTRUCTOR): Define.
2974         (TARGET_ASM_DESTRUCTOR): Likewise.
2975         (vxworks_asm_out_constructor): Declare.
2976         (vxworks_asm_out_destructor): Likewise.
2977
2978         * c-common.c (get_priority): Check that we have not just an
2979         INTEGER_CST, but an integer constant with integeral type.
2980
2981 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2982
2983         PR tree-optimization/30938
2984         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2985         use &dt[nargs-1] instead of &dt[nargs] in the call to
2986         vect_is_simple_use().
2987
2988 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2989
2990         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2991         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2992         Do not attempt to handle MEM inside auto-inc expressions.
2993         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2994         of a register modified by an auto-inc expression.  However, do handle
2995         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2996         (elimination_effects): Prohibit elimination of a register modified
2997         by an auto-inc expression.  Disable register elimination rules whose
2998         target register is modified by an auto-inc expression with variable
2999         increment.
3000
3001 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3002
3003         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3004         off-by-one error.
3005         (array_at_struct_end_p): New function.
3006         (idx_infer_loop_bounds): Use it.
3007         (estimate_numbers_of_iterations_loop): Export.
3008         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3009         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3010         (tree_estimate_probability): Call record_loop_exits.
3011         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3012         (estimated_loop_iterations, estimated_loop_iterations_int,
3013         estimated_loop_iterations_tree): New functions.
3014         (analyze_siv_subscript_cst_affine,
3015         compute_overlap_steps_for_affine_1_2,
3016         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3017         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3018         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3019         (PRED_LOOP_ITERATIONS_GUESSED): New.
3020         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3021         * cfgloop.h (estimate_numbers_of_iterations_loop,
3022         estimated_loop_iterations_int): Declare.
3023
3024 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3025
3026         * doc/extend.texi: Document optional priority argument to
3027         constructors and destructors.
3028         * tree.c (init_priority_for_decl): Adjust GTY markers.
3029         (init_ttree): Use priority-info hash functions for
3030         init_priority_for_decl.
3031         (tree_map_eq): Rename to ...
3032         (tree_map_base_eq): ... this.
3033         (tree_map_marked_p): Rename to ...
3034         (tree_map_base_marked_p): ... this.
3035         (tree_map_base_hash): New function.
3036         (decl_init_priority_lookup): Rework.
3037         (decl_fini_priority_lookup): New function.
3038         (decl_priority_info): New function.
3039         (decl_init_priority_insert): Use it.
3040         (decl_fini_priority_insert): Likewise.
3041         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3042         hierarchy.
3043         (decl_restrict_base_insert): Likewise.
3044         (decl_debug_expr_insert): Likewise.
3045         (decl_value_expr_lookup): Likewise.
3046         (decl_value_expr_insert): Likewise.
3047         * tree.h (priority_type): New type.
3048         (decl_init_priority_lookup): Use priority_type.
3049         (decl_fini_priority_lookup): New function.
3050         (decl_init_priority_insert): Use priority_type.
3051         (decl_fini_priority_insert): New function.
3052         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3053         (DECL_INIT_PRIORITY): Likewise.
3054         (SET_DECL_INIT_PRIORITY): Add comment.
3055         (DECL_FINI_PRIORITY): New macro.
3056         (SET_DECL_FINI_PRIORITY): Likewise.
3057         (DEFAULT_INIT_PRIORITY): Document.
3058         (MAX_INIT_PRIORITY): Likewise.
3059         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3060         (tree_map_base): New type.
3061         (tree_map_base_eq): New function.
3062         (tree_map_base_hash): Likewise.
3063         (tree_map_base_marked_p): Likewise.
3064         (tree_map): Inherit from tree_map_base.
3065         (tree_map_eq): Make it a macro.
3066         (tree_map_marked_p): Likewise.
3067         (tree_int_map): Inherit from tree_map_base.
3068         (tree_int_map_eq): Make it a macro.
3069         (tree_int_map_hash): Likewise.
3070         (tree_int_map_marked_p): Likewise.
3071         (tree_priority_map): New type.
3072         (tree_priority_map_eq): New macro.
3073         (tree_priority_map_hash): Likewise.
3074         (tree_priority_map_marked_p): Likewise.
3075         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3076         hierarchy.
3077         (emutls_common_1): Likewise.
3078         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3079         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3080         of tree_map hierarchy.
3081         * tree-cfg.c (move_stmt_r): Likewise.
3082         (new_label_mapper): Likewise.
3083         * c-tree.h (c_expand_body): Move to ...
3084         * c-common.h (c_expand_body): ... here.
3085         * c-decl.c (c_expand_body): Move to ...
3086         * c-common.c (c_expand_body): ... here.
3087         (c_common_attribute_table): Allow 1 argument for the constructor
3088         and destructor attributes.
3089         (get_priority): New function.
3090         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3091         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3092
3093 2007-02-24  Jan Hubicka  <jh@suse.cz>
3094
3095         PR middle-end/30509
3096         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3097
3098 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3099             Jan Hubicka  <jh@suse.cz>
3100
3101         PR target/30778
3102         * i386.c (counter_mode): New function.
3103         (expand_set_or_movmem_via_loop): Use it.
3104         (expand_movmem_epilogue): Likewise; fix pasto.
3105         (ix86_expand_movmem): Do emit guard even for constant counts.
3106         (ix86_expand_setmem): Likewise.
3107
3108 2007-02-25  Nick Clifton  <nickc@redhat.com>
3109
3110         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3111         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3112
3113 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         PR target/30770
3116         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3117         count argument with 0x10, not with 0x16.
3118         (expand_setmem_epilogue): Ditto.
3119
3120 2007-02-24  Mike Stump  <mrs@apple.com>
3121
3122         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3123         symbols.
3124
3125 2007-02-24  Richard Guenther  <rguenther@suse.de>
3126
3127         PR middle-end/30951
3128         * fold-const.c (fold_binary): Fold x +- CST op x for
3129         EQ_EXPR and NE_EXPR.
3130
3131 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3132
3133         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3134
3135 2007-02-24  Jan Hubicka  <jh@suse.cz>
3136
3137         * cgraphunit.c (decide_is_function_needed): Honor
3138         -fkeep-inline-functions.
3139
3140 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3141
3142         * builtins.c (fold_builtin_modf): New.
3143         (fold_builtin_2): Use it.
3144
3145 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3146
3147         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3148         (determine_max_iter): Take additional LOOP arg; all callers changed.
3149         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3150         one using simplifications.
3151         (simplify_using_initial_values): Return if the expression becomes
3152         invalid due to altered regs.
3153
3154 2007-02-23  DJ Delorie  <dj@redhat.com>
3155
3156         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3157
3158 2007-02-23  Mike Stump  <mrs@apple.com>
3159
3160         * tlink.c (scan_linker_output): Parse linker messages from
3161         darwin9's linker better.
3162
3163 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3164
3165         PR debug/29614
3166         * varpool.c (varpool_assemble_pending_decls):  Set
3167         varpool_last_needed_node to null.
3168
3169 2007-02-23  DJ Delorie  <dj@redhat.com>
3170
3171         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3172         alignment bigger than the object file can handle.
3173
3174 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3175
3176         PR target/30825
3177         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3178         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3179         (*movsf_1): Penalize MMX moves.
3180
3181 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3182
3183         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3184         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3185
3186         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3187
3188 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3189
3190         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3191         (fold_builtin_1): Use them.
3192         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3193         BUILT_IN_SIGNIFICAND.
3194
3195 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3196
3197         * config/i386/i386.c (bdesc_1arg): Initialize
3198         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3199         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3200         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3201         and IX86_BUILTIN_MOVSLDUP.
3202
3203 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3204
3205         PR rtl-optimization/30841
3206         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3207
3208 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3209
3210         * builtins.c (fold_builtin_frexp): New.
3211         (fold_builtin_2): Use it.
3212
3213 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3214
3215         * doc/invoke.texi (Spec Files): Document getenv spec function.
3216
3217         * gcc.c (getenv_spec_function): New function.
3218         (static_spec_functions): Add it.
3219         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3220         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3221         header files.
3222
3223 2007-02-22  Michael Matz  <matz@suse.de
3224
3225         PR c++/29433
3226         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3227         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3228
3229 2007-02-22  Ian Lance Taylor  <iant@google.com>
3230
3231         PR debug/30898
3232         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3233         (mem_loc_descriptor): Call it.
3234
3235 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3236             Ira Rosen  <irar@il.ibm.com>
3237
3238         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3239
3240 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3241
3242         PR tree-optimization/30843
3243         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3244         stores only after all the group is vectorized.
3245
3246 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3247
3248         PR tree-optimization/30858
3249         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3250         in the reduction cycle have a single use in the loop.
3251         * tree-vectorizer.h (relevant): Add documentation.
3252
3253 2007-02-20  Mike Stump  <mrs@apple.com>
3254
3255         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3256         * configure: Regenerate.
3257
3258 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3259
3260         Change the defaults of some parameters and options.
3261         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3262         * config/spu/spu.c (spu_optimization_options): Add.
3263         (spu_override_options): Change params in spu_optimization_options.
3264         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3265
3266         Register 127 is only 16 byte aligned when used as a frame pointer.
3267         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3268         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3269         HARD_FRAME_POINTER_REGNUM.
3270         (spu_legitimate_address):  Use regno_aligned_for_reload.
3271         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3272         aligned when frame_pointer_needed is true.
3273         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3274         to 8 bits.
3275         * config/spu/spu.h (INIT_EXPANDERS): Define.
3276
3277         Make sure shift and rotate instructions have valid immediate operands.
3278         * config/spu/predicates.md (spu_shift_operand): Remove.
3279         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3280         * config/spu/constraints.md (W, O): Extend range.
3281         * config/spu/spu.md (umask, nmask): Define.
3282         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3283         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3284         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3285         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3286         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3287         (lshr<mode>3_reg):  Fix rtl description.
3288
3289         Make sure mulhisi immediate operands are valid.
3290         * config/spu/predicates.md (imm_K_operand): Add.
3291         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3292
3293         Generate constants using fsmbi and andi.
3294         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3295         (print_operand, spu_split_immediate, classify_immediate,
3296         fsmbi_const_p): Handle IC_FSMBI2.
3297
3298         Correctly handle a CONST_VECTOR containing symbols.
3299         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3300         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3301         (immediate_load_p): Allow symbols that use 2 instructions to create.
3302         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3303         with symbols when flag_pic is set.
3304         (const_vector_immediate_p): New.
3305         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3306         accept a CONST_VECTOR with symbols.
3307         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3308         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3309         correctly.
3310         * config/spu/spu.md (high, low): Delete.
3311         (low_<mode>): Define.
3312
3313         Remove INTRmode and INTR_REGNUM, which didn't work.
3314         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3315         of INTR_REGNUM.
3316         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3317         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3318         peephole2 pattern): Don't use INTR or 131.
3319         (movintrcc): Delete.
3320         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3321         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3322         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3323         (UNSPEC_SET_INTR): Add.
3324         * config/spu/spu-modes.def (INTR): Remove.
3325
3326         More accurate warnings about run-time relocations.
3327         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3328
3329         Correctly warn about immediate arguments to specific intrinsics.
3330         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3331         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3332         the instruction predicate.
3333
3334         Fix tree check errors with latest update.
3335         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3336         CALL_EXPR_ARG.
3337         (spu_expand_builtin): Use CALL_EXPR_FN.
3338
3339         Add missing specific intrinsics.
3340         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3341         si_bislede.
3342         * config/spu/spu_internals.h: Ditto.
3343
3344         Fix incorrect operand modifiers.
3345         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3346         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3347
3348         Optimize one case of zero_extend of a vec_select.
3349         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3350
3351         Accept any immediate for hbr.
3352         * config/spu/spu.md (hbr):  Change s constraints to i.
3353
3354 2007-02-21  Paul Brook  <paul@codesourcery.com>
3355
3356         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3357         condexec_count when skipping USE and CLOBBER.
3358
3359 2007-02-21  Nick Clifton  <nickc@redhat.com>
3360
3361         * common.opt (Warray-bounds): Add Warning attribute.
3362         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3363         Likewise.
3364         (fsized-zeroes): Add Optimization attribute.
3365         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3366         * c.opt (Wc++0x-compat): Add Warning attribute.
3367
3368 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3369
3370         PR middle-end/30761
3371         * reload1.c (eliminate_regs_in_insn): In the single_set special
3372         case, attempt to re-recognize the insn before falling back to
3373         having reload fix it up.
3374
3375 2007-02-20  Eric Christopher  <echristo@gmail.com>
3376
3377         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3378         Rewrite accordingly.
3379         (frv_read_iacc_argument): Ditto.
3380         (frv_expand_set_builtin): Take a call instead of arglist, update for
3381         above changes.
3382         (frv_expand_unop_builtin): Ditto.
3383         (frv_expand_binop_builtin): Ditto.
3384         (frv_expand_cut_builtin): Ditto.
3385         (frv_expand_binopimm_builtin): Ditto.
3386         (frv_expand_voidbinop_builtin): Ditto.
3387         (frv_expand_int_void2arg): Ditto.
3388         (frv_expand_prefetches): Ditto.
3389         (frv_expand_voidtriop_builtin): Ditto.
3390         (frv_expand_voidaccop_builtin): Ditto.
3391         (frv_expand_load_builtin): Ditto.
3392         (frv_expand_store_builtin): Ditto.
3393         (frv_expand_mdpackh_builtin): Ditto.
3394         (frv_expand_mclracc_builtin): Ditto.
3395         (frv_expand_mrdacc_builtin): Ditto.
3396         (frv_expand_mwtacc_builtin): Ditto.
3397         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3398         calls for above.
3399
3400 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3401
3402         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3403         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3404         cmpb instruction.
3405         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3406         point instructions.
3407         * configure: Regenerate.
3408         * config.in: Regenerate.
3409         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3410         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3411         masks to power6 and power6x and to POWERPC_MASKS.
3412         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3413         _ARCH_PWR6.
3414         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3415         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3416         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3417         Access PROTOTYPE as variable, not mask.
3418
3419 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3420
3421         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3422         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3423         * combine.c (adjust_for_new_dest): Use it.
3424         * postreload.c (reload_combine): Likewise.
3425
3426 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3427
3428         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3429         notes on an insn with multiple sets, even if single_set returns
3430         non-NULL for that insn.
3431
3432 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3433
3434         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3435         scalbn and scalbln.
3436
3437 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3438
3439         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3440         if user didn't pass it.
3441         * config/i386/darwin.h (CC1_SPEC): Likewise.
3442         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3443         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3444         -mmacosx-version-min.
3445
3446 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3447             Uros Bizjak  <ubizjak@gmail.com>
3448
3449         * optabs.h (enum optab_index): Add new OTI_scalb.
3450         (scalb_optab): Define corresponding macro.
3451         * optabs.c (init_optabs): Initialize scalb_optab.
3452         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3453         patterns.
3454         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3455         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3456         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3457         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3458         flag_unsafe_math_optimizations is set.
3459
3460         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3461         to implement scalbf, scalb and scalbl built-ins as inline x87
3462         intrinsics.
3463
3464 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3465             DJ Delorie <dj@redhat.com>
3466
3467         PR other/30824
3468         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3469         (diagnostic_report_diagnostic): ... here, and turn them into real
3470         errors. If warnings are inhibited, no need to do anything.
3471
3472 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3473
3474         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3475         better code generation.
3476
3477 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3478
3479         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3480
3481 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3482
3483         * config/alpha/alpha.c, config/alpha/alpha.md,
3484         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3485         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3486         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3487         config/arm/lib1funcs.asm: Follow spelling conventions.
3488
3489         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3490         config/fr30/fr30.md, config/i386/i386.h,
3491         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3492         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3493         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3494         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3495         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3496         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3497         config/sparc/sparc.c, config/sparc/sparc.h,
3498         config/sparc/sparc.md, config/spu/constraints.md,
3499         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3500         conventions.
3501
3502 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3503
3504         PR target/29943
3505         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3506         alias attribute.
3507
3508 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3509
3510         * doc/invoke.texi (-ftree-lrs): Remove.
3511
3512 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3513
3514         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3515         NULL.
3516
3517 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3518
3519         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3520         new CALL_EXPR_FN macro for retrieving the function
3521         declaration of the input expression.
3522
3523 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3524
3525         * c.opt (Waddress): New.
3526         * common.opt (Walways-true): Delete.
3527         (Wstring-literal-comparison): Delete.
3528         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3529         -Wstring-literal-comparison. Add -Waddress.
3530         (Waddress): New.
3531         (Walways-true): Delete.
3532         (Wstring-literal-comparison): Delete.
3533         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3534         consistently instead of -Walways-true in example.
3535         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3536         * c-typeck.c (parser_build_binary_op): Replace
3537         -Wstring-literal-comparison and -Walways-true with -Waddress.
3538         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3539         with -Waddress.
3540
3541 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3542
3543         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3544         without DECL_STRUCT_FUNCTION initialized.
3545
3546 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3547
3548         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3549         due to calls to functions taking pointers as parameters.
3550
3551 2007-02-19  Richard Henderson  <rth@redhat.com>
3552
3553         PR debug/29558
3554         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3555         in memory.
3556
3557 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3558
3559         * config/s390/s390.c (s390_call_saved_register_used,
3560         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3561         accessed to the new scheme.
3562
3563 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3564
3565         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3566         (cris_print_index, cris_print_operand, cris_print_operand_address)
3567         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3568         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3569         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3570         GET_CODE () == xxx.
3571         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3572         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3573         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3574         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3575         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3576         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3577         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3578         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3579         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3580         (uminsi3, call, call_value): Ditto.
3581         (define_split: indir_to_reg_split, unnamed): Ditto.
3582
3583 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3584
3585         PR tree-optimization/30975
3586         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3587         wrong assert.
3588
3589 2007-02-18  Eric Christopher  <echristo@gmail.com>
3590
3591         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3592         Remove use of arglist.
3593         (mips_expand_builtin): Remove use of arglist, pass in expr.
3594         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3595         (mips_expand_builtin_movtf): Ditto.
3596         (mips_expand_builtin_compare): Ditto.
3597
3598 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3599
3600         * tree-sra.c (sra_build_assignment): Replace assertion
3601         checking with a comment explaining why it can't be done.
3602
3603 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3604
3605         PR middle-end/30833
3606         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3607         during CALL_EXPR representation conversion.
3608         * tree-ssa-propagate.c (set_rhs): Likewise.
3609
3610 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3611
3612         * tree-sra.c (sra_build_assignment): Disable assertion checking
3613         for now.
3614
3615 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3616
3617         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3618         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3619         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3620         Likewise.
3621         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3622         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3623         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3624         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3625         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3626         force_gimple_operand): Likewise.
3627         * ipa-cp.c (constant_val_insert): Likewise.
3628         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3629         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3630         perfect_nestify): Likewise.
3631         * langhooks.c (lhd_omp_assignment): Likewise.
3632         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3633         lower_copyprivate_clauses, lower_send_clauses,
3634         lower_send_shared_vars, expand_parallel_call,
3635         expand_omp_for_generic, expand_omp_for_static_nochunk,
3636         expand_omp_for_static_chunk, expand_omp_sections,
3637         lower_omp_single_copy, lower_omp_for_lastprivate,
3638         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3639         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3640         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3641         Likewise.
3642
3643 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3644
3645         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3646         config/sh/sh.md: Follow spelling conventions.
3647
3648         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3649         config/frv/predicates.md: Follow spelling conventions.
3650
3651         * config/m68k/linux-unwind.h: Fix a comment typo.
3652         * target.h: Follow spelling conventions.
3653
3654 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3655
3656         PR rtl-optimization/28173
3657         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3658         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3659         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3660         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3661         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3662
3663 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3664
3665         * builtins.c (fold_builtin_load_exponent): New.
3666         (fold_builtin_2): Use it.
3667
3668 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3669
3670         PR rtl-optimization/30773
3671         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3672         if we fail to attach a REG_EQUIV note.
3673
3674 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3675             Roger Sayle  <roger@eyesopen.com>
3676
3677         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3678
3679 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3680
3681         * calls.c (initialize_argument_information): Pass original EXP
3682         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3683         code to split complex arguments here, as part of initializing the
3684         ARGS array.
3685         (expand_call): Remove code that builds a list of arguments and
3686         inserts implicit arguments into it.  Instead, just count how many
3687         implicit arguments there will be so we can determine the size of
3688         the ARGS array, and let initialize_argument_information do the work.
3689         (split_complex_values): Delete unused function.
3690
3691 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3692
3693         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3694
3695 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3696
3697         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3698         for arg pointer based indexed addressing.
3699
3700 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3701
3702         * config/ia64/ia64.h, config/ia64/ia64.md,
3703         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3704         spelling conventions.
3705
3706 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3707
3708         * config/m68k/m68k.c (split_di): New.
3709         * config/m68k/m68k-protos.h: Declare split_di.
3710         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3711           Improve predicate handling and split constant shifts.
3712
3713 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3714
3715         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3716         parameter for register bitfield operations, general predicates
3717         cleanup
3718
3719 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3720
3721         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3722         * config/m68k/linux-unwind.h: New file.
3723
3724 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3725
3726         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3727         config/i386/athlon.md, config/ia64/ia64.md,
3728         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3729         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3730         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3731         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3732         tree-vect-transform.c: Fix comment typos.
3733
3734 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3735
3736         * sched-deps.c (find_insn_list): Remove.
3737         * sched-int.h: Remove the prototype for find_insn_list.
3738
3739 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3740
3741         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3742         to linker.
3743         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3744         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3745         darwin_rs6000_override_options.
3746         (C_COMMON_OVERRIDE_OPTIONS): Expect
3747         darwin_macosx_version_min to be non-NULL always.
3748         (TARGET_C99_FUNCTIONS): Likewise.
3749         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3750         (DARWIN_MINVERSION_SPEC): New.
3751         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3752         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3753         to cc1*.
3754         (DARWIN_MINVERSION_SPEC): New.
3755         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3756         value.
3757         * config/darwin-c.c (darwin_cpp_builtins): Expect
3758         darwin_macosx_version_min to be non-NULL always.
3759
3760         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3761
3762 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3763
3764         * config/i386/i386.h (x86_use_xchgb): New.
3765         (TARGET_USE_XCHGB): New macro.
3766         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3767         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3768         Split after reload into bswaphi for shifts of 8.
3769         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3770         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3771         or when optimizing for size.
3772
3773 2007-02-16  Richard Guenther  <rguenther@suse.de>
3774             Christian Bruel  <christian.bruel@st.com>
3775
3776         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3777         DECLs but prefer SSA_NAMEs over DECLs.
3778
3779 2007-02-16  Richard Guenther  <rguenther@suse.de>
3780
3781         * tree-flow-inline.h (single_imm_use_p): Remove.
3782         (zero_imm_uses_p): Likewise.
3783         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3784         instead of single_imm_use_p.
3785         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3786         zero_imm_uses_p.
3787
3788 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3789
3790         PR other/27843
3791         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3792         nested double- and backquotes.
3793
3794 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3795
3796         PR middle-end/30391
3797         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3798         should be unreachable.
3799         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3800         For the time being redirect GIMPLE_MODIFY_STMT to the new
3801         (renamed) build_gimple_modify_stmt_stat.
3802         (build2_gimple_stat): Rename to...
3803         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3804         Always build a GIMPLE_MODIFY_STMT node.
3805         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3806         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3807         declarations.
3808
3809         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3810         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3811         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3812         expand_complex_div_wide): Likewise.
3813         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3814         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3815         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3816         * tree-ssa-loop-manip.c (create_iv): Likewise.
3817         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3818         abs_replacement): Likewise.
3819         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3820         realify_fake_stores): Likewise.
3821
3822         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3823         node rather than a GIMPLE_MODIFY_STMT node.
3824         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3825         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3826         Likewise.
3827         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3828         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3829         GIMPLE_MODIFY_STMT.
3830
3831 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3832
3833         PR middle-end/30433
3834         * fold-const.c (fold_comparison): Add back the
3835         folding of constant complex comparisions.
3836
3837 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3838
3839         PR middle-end/30729
3840         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3841         effects unknown to this function, return early.
3842
3843 2007-02-15  Ian Lance Taylor  <iant@google.com>
3844
3845         * lower-subreg.c (move_eh_region_note): New static function.
3846         (resolve_simple_move): Call it.
3847         (decompose_multiword_subregs): Track blocks for which we resolve a
3848         simple move which is also a control flow insn.  Pass them to
3849         find_many_sub_basic_blocks.
3850         (pass_lower_subreg): Add TODO_verify_flow.
3851         (pass_lower_subreg2): Likewise.
3852
3853 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3854             Brooks Moses  <brooks.moses@codesourcery.com>
3855             Lee Millward  <lee.millward@codesourcery.com>
3856
3857         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3858         (VL_EXP_CLASS_P): New.
3859         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3860         TREE_CODE_LENGTH.
3861         (TREE_OPERAND_CHECK_CODE): Likewise.
3862         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3863         (TREE_RTL_OPERAND_CHECK): Likewise.
3864         (tree_operand_check_failed): Make second parameter the whole tree
3865         instead of its code.  Fixed callers.
3866         (VL_EXP_CHECK): New.
3867         (TREE_OPERAND_LENGTH): New.
3868         (VL_EXP_OPERAND_LENGTH): New.
3869         (CALL_EXPR_FN): New.
3870         (CALL_EXPR_STATIC_CHAIN): New.
3871         (CALL_EXPR_ARGS): New.
3872         (CALL_EXPR_ARG): New.
3873         (call_expr_nargs): New.
3874         (CALL_EXPR_ARGP): New.
3875         (build_nt_call_list): Declare.
3876         (build_vl_exp_stat): Declare.
3877         (build_vl_exp): New.
3878         (build_call_list): Declare.
3879         (build_call_nary): Declare.
3880         (build_call_valist): Declare.
3881         (build_call_array): Declare.
3882         (call_expr_arg): Declare.
3883         (call_expr_argp): Declare.
3884         (call_expr_arglist): Declare.
3885         (fold_build_call_list): Declare.
3886         (fold_build_call_list_initializer): Declare.
3887         (fold_call_expr): Declare to replace fold_builtin.
3888         (fold_builtin_fputs): Update to agree with modified definition.
3889         (fold_builtin_strcpy): Likewise.
3890         (fold_builtin_strncpy): Likewise.
3891         (fold_builtin_memory_chk): Likewise.
3892         (fold_builtin_stxcpy_chk): Likewise.
3893         (fold_builtin_strncpy_chk): Likewise.
3894         (fold_builtin_next_arg): Likewise.
3895         (fold_build_call_expr): Declare.
3896         (fold_builtin_call_list): Declare.
3897         (fold_builtin_call_valist): Declare.
3898         (build_call_expr): Declare.
3899         (validate_arglist): Update to agree with modified definition.
3900         (tree_operand_length): New.
3901         (call_expr_arg_iterator): New.
3902         (init_call_expr_arg_iterator): New.
3903         (next_call_expr_arg): New.
3904         (first_call_expr_arg): New.
3905         (more_call_expr_args_p): New.
3906         (FOR_EACH_CALL_EXPR_ARG): New.
3907
3908         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3909         and tcc_gimple_stmt.
3910         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3911         than sizeof (char *).
3912         (tree_size): Likewise.  Add case for tcc_vl_exp.
3913         (tree_node_structure): Add case for tcc_vl_exp.
3914         (contains_placeholder_p): Likewise.
3915         (substitute_in_expr): Likewise.
3916         (substitute_placeholder_in_expr): Likewise.
3917         (stabilize_reference_1): Likewise.
3918         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3919         to diagnose breakage of this interface for constructing CALL_EXPRs.
3920         (build_nt): Add similar assertion here.
3921         (build_nt_call_list): New.
3922         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3923         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3924         TREE_CODE_LENGTH.
3925         (get_callee_fndecl): Use new CALL_EXPR accessors.
3926         (tree_operand_check_failed): Change parameters to pass entire node
3927         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3928         (process_call_operands): New.
3929         (build_vl_exp_stat): New.
3930         (build_call_list): New.
3931         (build_call_nary): New.
3932         (build_call_valist): New.
3933         (build_call_array): New.
3934         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3935         (call_expr_arglist): New.
3936
3937         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3938         tcc_vl_exp instead of a fixed-size tcc_expression.
3939
3940         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3941         accessors for CALL_EXPRs.
3942         (AGGR_INIT_EXPR): Likewise.
3943
3944 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3945             Brooks Moses  <brooks.moses@codesourcery.com>
3946             Lee Millward  <lee.millward@codesourcery.com>
3947
3948         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3949         (expand_builtin_nonlocal_goto): Change parameter to be entire
3950         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3951         (expand_builtin_prefetch): Likewise.
3952         (expand_builtin_classify_type): Likewise.
3953         (mathfn_built_in): Return NULL_TREE instead of 0.
3954         (expand_errno_check): Use new CALL_EXPR accessors.
3955         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3956         Return NULL_RTX instead of 0.
3957         (expand_builtin_mathfn_2): Likewise.
3958         (expand_builtin_mathfn_3): Likewise.
3959         (expand_builtin_interclass_mathfn): Likewise.
3960         (expand_builtin_sincos): Likewise.
3961         (expand_builtin_cexpi): Likewise.
3962         (expand_builtin_int_roundingfn): Likewise.
3963         (expand_builtin_int_roundingfn_2): Likewise.
3964         (expand_builtin_pow): Likewise.
3965         (expand_builtin_powi): Likewise.
3966         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3967         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3968         accessors and constructors.  Return NULL_RTX instead of 0.
3969         (expand_builtin_strstr): Likewise.
3970         (expand_builtin_strchr): Likewise.
3971         (expand_builtin_strrchr): Likewise.
3972         (expand_builtin_strpbrk): Likewise.
3973         (expand_builtin_memcpy): Likewise.
3974         (expand_builtin_mempcpy): Likewise.
3975         (expand_builtin_mempcpy_args): New.
3976         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3977         (expand_builtin_memmove_args): New.
3978         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3979         (expand_movstr): Likewise.
3980         (expand_builtin_strcpy): Likewise.
3981         (expand_builtin_strcpy_args): New.
3982         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3983         (expand_builtin_strncpy): Likewise.
3984         (expand_builtin_memset): Likewise.
3985         (expand_builtin_memset_args): New.
3986         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3987         (expand_builtin_memcmp): Likewise.
3988         (expand_builtin_strcmp): Likewise.
3989         (expand_builtin_strncmp): Likewise.
3990         (expand_builtin_strcat): Likewise.
3991         (expand_builtin_strncat): Likewise.
3992         (expand_builtin_strspn): Likewise.
3993         (expand_builtin_strcspn): Likewise.
3994         (expand_builtin_args_info): Likewise.
3995         (expand_builtin_va_start): Likewise.
3996         (gimplify_va_arg_expr): Likewise.
3997         (expand_builtin_va_end): Likewise.
3998         (expand_builtin_va_copy): Likewise.
3999         (expand_builtin_frame_address): Likewise.
4000         (expand_builtin_alloca): Likewise.
4001         (expand_builtin_bswap): Likewise.
4002         (expand_builtin_unop): Likewise.
4003         (expand_builtin_fputs): Likewise.
4004         (expand_builtin_expect): Likewise.
4005         (expand_builtin_fabs): Likewise.
4006         (expand_builtin_copysign): Likewise.
4007         (expand_builtin_printf): Likewise.
4008         (expand_builtin_fprintf): Likewise.
4009         (expand_builtin_sprintf): Likewise.
4010         (expand_builtin_init_trampoline): Likewise.
4011         (expand_builtin_signbit): Likewise.
4012         (expand_builtin_fork_or_exec): Likewise.
4013         (expand_builtin_sync_operation): Likewise.
4014         (expand_builtin_compare_and_swap): Likewise.
4015         (expand_builtin_lock_test_and_set): Likewise.
4016         (expand_builtin_lock_release): Likewise.
4017         (expand_builtin): Likewise.
4018         (builtin_mathfn_code): Likewise.
4019
4020         (fold_builtin_constant_p): Pass call arguments individually instead
4021         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4022         accessors and constructors.  Return NULL_TREE instead of 0.
4023         (fold_builtin_expect): Likewise.
4024         (fold_builtin_classify_type): Likewise.
4025         (fold_builtin_strlen): Likewise.
4026         (fold_builtin_nan): Likewise.
4027         (integer_valued_real_p): Likewise.
4028         (fold_trunc_transparent_mathfn): Likewise.
4029         (fold_fixed_mathfn): Likewise.
4030         (fold_builtin_cabs): Likewise.
4031         (fold_builtin_sqrt): Likewise.
4032         (fold_builtin_cbrt): Likewise.
4033         (fold_builtin_cos): Likewise.
4034         (fold_builtin_cosh): Likewise.
4035         (fold_builtin_tan): Likewise.
4036         (fold_builtin_sincos): Likewise.
4037         (fold_builtin_cexp): Likewise.
4038         (fold_builtin_trunc): Likewise.
4039         (fold_builtin_floor): Likewise.
4040         (fold_builtin_ceil): Likewise.
4041         (fold_builtin_round): Likewise.
4042         (fold_builtin_int_roundingfn): Likewise.
4043         (fold_builtin_bitop): Likewise.
4044         (fold_builtin_bswap): Likewise.
4045         (fold_builtin_logarithm): Likewise.
4046         (fold_builtin_hypot): Likewise.
4047         (fold_builtin_pow): Likewise.
4048         (fold_builtin_powi): Likewise.
4049         (fold_builtin_exponent): Likewise.
4050         (fold_builtin_memset): Likewise.
4051         (fold_builtin_bzero): Likewise.
4052         (fold_builtin_memory_op): Likewise.
4053         (fold_builtin_bcopy): Deleted; call site changed to invoke
4054         fold_builtin_memory_op directly.
4055         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4056         (fold_builtin_strncpy): Likewise.
4057         (fold_builtin_memcmp): Likewise.
4058         (fold_builtin_strcmp): Likewise.
4059         (fold_builtin_strncmp): Likewise.
4060         (fold_builtin_signbit): Likewise.
4061         (fold_builtin_copysign): Likewise.
4062         (fold_builtin_isascii): Likewise.
4063         (fold_builtin_toascii): Likewise.
4064         (fold_builtin_isdigit): Likewise.
4065         (fold_builtin_fabs): Likewise.
4066         (fold_builtin_abs): Likewise.
4067         (fold_builtin_fmin_fmax): Likewise.
4068         (fold_builtin_carg): Likewise.
4069         (fold_builtin_classify): Likewise.
4070         (fold_builtin_unordered_cmp): Likewise.
4071
4072         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4073         New functions split out from fold_builtin_1.
4074         (fold_builtin_n): New.
4075         (fold_builtin_varargs): New.
4076         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4077         instead.
4078         (fold_call_expr): New.
4079         (build_function_call_expr): Rewrite to use new helper function.
4080         (fold_builtin_call_list): New.
4081         (build_call_expr): New.
4082         (fold_builtin_call_valist): New.
4083         (rewrite_call_expr): New.
4084         (validate_arg): New.
4085         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4086         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4087         accessors.
4088
4089         (fold_builtin_strstr):  Pass call arguments individually instead
4090         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4091         accessors and constructors.  Return NULL_TREE instead of 0.
4092         (fold_builtin_strchr): Likewise.
4093         (fold_builtin_strrchr): Likewise.
4094         (fold_builtin_strpbrk): Likewise.
4095         (fold_builtin_strcat): Likewise.
4096         (fold_builtin_strncat): Likewise.
4097         (fold_builtin_strspn): Likewise.
4098         (fold_builtin_strcspn): Likewise.
4099         (fold_builtin_fputs): Likewise.
4100         (fold_builtin_next_arg): Likewise.
4101         (fold_builtin_sprintf): Likewise.
4102
4103         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4104         NULL_RTX instead of 0.
4105         (expand_builtin_memory_chk): Likewise.
4106         (maybe_emit_chk_warning): Likewise.
4107         (maybe_emit_sprintf_chk_warning): Likewise.
4108
4109         (fold_builtin_object_size): Pass call arguments individually instead
4110         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4111         accessors and constructors.  Return NULL_TREE instead of 0.
4112         (fold_builtin_memory_chk): Likewise.
4113         (fold_builtin_stxcpy_chk): Likewise.
4114         (fold_builtin_strncpy_chk): Likewise.
4115         (fold_builtin_strcat_chk): Likewise.
4116         (fold_builtin_strcat_chk): Likewise.
4117         (fold_builtin_strncat_chk): Likewise.
4118         (fold_builtin_sprintf_chk): Likewise.
4119         (fold_builtin_snprintf_chk): Likewise.
4120         (fold_builtin_printf): Likewise.
4121         (fold_builtin_vprintf): Likewise.
4122
4123         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4124         constructors.
4125         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4126         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4127         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4128         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4129         (fold_unary): Likewise.
4130         (fold_binary): Likewise.
4131         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4132         ternary expressions.
4133         (fold): Add logic for tcc_vl_exp.
4134         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4135         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4136         (fold_build3_stat): Add assertion to flag broken interface for
4137         constructing CALL_EXPRs.
4138         (fold_build_call_list): New.
4139         (fold_build_call_list_initializer): New.
4140         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4141         constructors.
4142         (fold_strip_sign_ops): Likewise.
4143
4144 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4145             Brooks Moses  <brooks.moses@codesourcery.com>
4146             Lee Millward  <lee.millward@codesourcery.com>
4147
4148         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4149         accessors and dump arguments explicitly.
4150
4151         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4152         TREE_CODE_LENGTH.
4153         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4154         explicitly.
4155         (print_call_name): Use new CALL_EXPR accessors.
4156
4157         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4158         CALL_EXPR arguments explicitly instead of as a list.  Use
4159         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4160
4161         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4162         (vrp_visit_stmt): Likewise.
4163
4164         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4165         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4166         TREE_CODE_LENGTH.
4167         (force_move_till_expr): Likewise.
4168
4169         * targhooks.c (default_external_stack_protect_fail): Use
4170         build_call_expr instead of build_function_call_expr.
4171         (default_hidden_stack_protect_fail): Likewise.
4172
4173         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4174         build the call.
4175
4176         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4177         and walk arguments explicitly.
4178
4179         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4180         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4181         (expand_simple_operations): Likewise.
4182         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4183
4184         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4185         of TREE_CODE_LENGTH.
4186         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4187
4188         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4189         instead of TREE_CODE_LENGTH.
4190
4191         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4192         (tree_ic_transform): Likewise.
4193         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4194         parameter instead of arglist.  Fix callers.
4195         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4196         (tree_stringops_transform): Likewise.
4197         (tree_indirect_call_to_profile): Likewise.
4198         (tree_stringops_values_to_profile): Likewise.
4199
4200         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4201         (eliminate_tail_call): Likewise.
4202
4203         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4204
4205         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4206         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4207         operands.
4208         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4209
4210         * omp-low.c (build_omp_barrier): Use build_call_expr.
4211         (lower_rec_input_clauses): Likewise.
4212         (lower_reduction_clauses): Likewise.
4213         (expand_parallel_call): Likewise.
4214         (maybe_catch_exception): Likewise.
4215         (expand_omp_for_generic): Likewise.
4216         (expand_omp_for_static_nochunk): Likewise.
4217         (expand_omp_sections): Likewise.
4218         (lower_omp_single_simple): Likewise.
4219         (lower_omp_single_copy): Likewise.
4220         (lower_omp_master): Likewise.
4221         (lower_omp_ordered): Likewise.
4222         (lower_omp_critical): Likewise.
4223
4224         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4225         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4226
4227         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4228         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4229         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4230
4231         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4232         and generalize to handle any number of operands.
4233         (chrec_contains_undetermined): Likewise.
4234         (tree_contains_chrecs): Likewise.
4235         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4236
4237         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4238
4239         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4240         fold_call_expr instead of fold_builtin.
4241         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4242         match declarations there.
4243         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4244         updates.
4245
4246         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4247         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4248
4249         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4250         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4251
4252         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4253         accessors.
4254
4255         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4256         (execute_cse_sincos): Use new CALL_EXPR accessors.
4257
4258         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4259
4260         * gimple-low.c (lower_function_body): Use build_call_expr.
4261         (lower_builtin_setjmp): Likewise.
4262
4263         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4264         (set_storage_via_libcall): Likewise.
4265         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4266         instead of TREE_CODE_LENGTH.
4267         (expand_expr_real_1): Use new CALL_EXPR accessors.
4268
4269         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4270         generalize to handle any number of operands.
4271         (TB_parent_eq): Likewise.
4272
4273         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4274         (strip_builtin_expect): Likewise.
4275
4276         * function.c (gimplify_parameters): Use build_call_expr.
4277
4278         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4279         instead of TREE_CODE_LENGTH.
4280
4281         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4282         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4283
4284         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4285         iterators.
4286
4287         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4288         (gimplify_decl_expr): Likewise.
4289         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4290         Use new CALL_EXPR iterators.
4291         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4292         (gimplify_modify_expr_to_memset): Likewise.
4293         (gimplify_variable_sized_compare): Likewise.
4294         (gimplify_omp_atomic_fetch_op): Likewise.
4295         (gimplify_omp_atomic_pipeline): Likewise.
4296         (gimplify_omp_atomic_mutex): Likewise.
4297         (gimplify_function_tree): Likewise.
4298
4299         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4300         (call_expr_flags): Likewise.
4301         (expand_call): Likewise.
4302
4303         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4304         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4305         accessors.
4306
4307         * coverage.c (create_coverage): Use build_call_expr.
4308
4309         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4310         (temp_call_expr_obstack): New.
4311         (pool_copy_list): Delete.
4312         (temp_copy_call_expr): New.
4313         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4314         CALL_EXPR accessors.  Get rid of special goo for copying argument
4315         lists and use temp_copy_call_expr instead.
4316         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4317         CALL_EXPR accessors.
4318         (create_expression_by_pieces): Likewise.  Use build_call_array
4319         to construct the result instead of fold_build3.
4320         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4321         dealing with argument lists.
4322         (init_pre): Remove references to expression_node_pool and
4323         list_node_pool.  Init temp_call_expr_obstack instead.
4324         (fini_pre): Remove references to expression_node_pool and
4325         list_node_pool.
4326
4327         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4328         and walk arguments explicitly instead of as a list.
4329
4330         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4331         (mx_register_decls): Likewise.
4332         (mudflap_register_call): Likewise.
4333         (mudflap_finish_file): Likewise.
4334
4335         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4336         (ipa_callsite_compute_param): Likewise.
4337
4338         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4339         accessors and constructor.
4340
4341         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4342         accessors and constructor.
4343         (convert_tramp_reference): Likewise.
4344         (convert_call_expr): Likewise.
4345         (finalize_nesting_tree_1): Likewise.
4346
4347         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4348         accessors.
4349
4350         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4351
4352         * tree-inline.c (initialize_inlined_parameters): Pass entire
4353         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4354         accessors.
4355         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4356         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4357
4358         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4359         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4360         (vectorizable_reduction): Likewise.
4361         (vectorizable_call): Use new CALL_EXPR iterators.
4362         (vectorizable_conversion): Use build_call_expr.
4363         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4364         (vect_gen_widened_results_half): Use build_call_expr.
4365         (vect_setup_realignment): Likewise.
4366         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4367
4368         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4369         (pass_through_call): Likewise.
4370         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4371         fold_builtin.
4372
4373         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4374         (tree_gen_pow2_profiler): Likewise.
4375         (tree_gen_one_value_profiler): Likewise.
4376         (tree_gen_ic_func_profiler): Likewise.
4377         (tree_gen_average_profiler): Likewise.
4378         (tree_gen_ior_profiler): Likewise.
4379
4380         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4381         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4382         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4383
4384         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4385         of TREE_CODE_LENGTH.
4386
4387         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4388         of TREE_CODE_LENGTH.
4389
4390         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4391         constructor.
4392         (convert_to_integer): Likewise.
4393
4394         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4395         accessors.
4396
4397 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4398             Brooks Moses  <brooks.moses@codesourcery.com>
4399             Lee Millward  <lee.millward@codesourcery.com>
4400
4401         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4402         accessors.
4403         * config/frv/frv.c (frv_expand_builtin): Likewise.
4404         * config/s390/s390.c (s390_expand_builtin): Likewise.
4405
4406         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4407         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4408
4409         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4410         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4411         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4412         (ix86_expand_store_builtin): Likewise.
4413         (ix86_expand_unop_builtin): Likewise.
4414         (ix86_expand_unop1_builtin): Likewise.
4415         (ix86_expand_sse_compare): Likewise.
4416         (ix86_expand_sse_comi): Likewise.
4417         (ix86_expand_vec_init_builtin): Likewise.
4418         (ix86_expand_vec_ext_builtin): Likewise.
4419         (ix86_expand_vec_set_builtin): Likewise.
4420         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4421
4422         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4423         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4424
4425         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4426         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4427         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4428
4429         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4430         build_call_expr.
4431         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4432         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4433         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4434         (altivec_expand_abs_builtin): Likewise.
4435         (rs6000_expand_binop_builtin): Likewise.
4436         (altivec_expand_predicate_builtin): Likewise.
4437         (altivec_expand_lv_builtin): Likewise.
4438         (spe_expand_stv_builtin): Likewise.
4439         (altivec_expand_stv_builtin): Likewise.
4440         (rs6000_expand_ternop_builtin): Likewise.
4441         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4442         (altivec_expand_st_builtin): Likewise.
4443         (altivec_expand_dst_builtin): Likewise.
4444         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4445         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4446         (altivec_expand_vec_set_builtin): Likewise.
4447         (altivec_expand_vec_ext_builtin): Likewise.
4448         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4449         (spe_expand_builtin): Likewise.
4450         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4451         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4452         (spe_expand_evsel_builtin): Likewise.
4453         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4454         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4455
4456         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4457         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4458         (arm_expand_unop_builtin): Likewise.
4459         (arm_expand_builtin): Use new CALL_EXPR accessors.
4460
4461         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4462         accessors.
4463
4464         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4465         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4466         (bfin_expand_unop_builtin): Likewise.
4467         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4468
4469 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4470             Brooks Moses  <brooks.moses@codesourcery.com>
4471             Lee Millward  <lee.millward@codesourcery.com>
4472
4473         * c-semantics.c (build_stmt): Add internal diagnostic check.
4474
4475         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4476         accessors.  Print arguments explicitly instead of as a list.
4477
4478         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4479
4480         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4481         (c_finish_omp_flish): Likewise.
4482
4483         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4484         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4485         instead of TREE_CODE_LENGTH.
4486         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4487         (c_warn_unused_result): Likewise.
4488
4489 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4490
4491         PR c/26494
4492         * doc/invoke.texi (Warning Options): Remove
4493         -Werror-implicit-function-declaration.
4494         (Wimplicit-function-declaration): Update description.
4495         * opts.c (common_handle_option): Move handling of -Werror=* to...
4496         (enable_warning_as_error): ...here.
4497         * opts.h (enable_warning_as_error): Declare.
4498         * c-decl.c (implicit_decl_warning): Unless
4499         -Wno-implicit-function-declaration is given, emit a pedwarn if
4500         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4501         * c.opt (Wimplicit-function-declaration): Replace
4502         mesg_implicit_function_declaration with
4503         warn_implicit_function_declaration.
4504         * c-opts.c (c_common_handle_option):
4505         -Werror-implicit-function-declaration is exactly equal as
4506         -Werror=implicit-function-declaration.
4507         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4508         warn_implicit_function_declaration.
4509         (c_common_post_options): -Wimplict-function-declaration is enabled
4510         by default by -std=c99, otherwise is disabled by default.
4511         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4512
4513 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4514
4515         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4516         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4517         former is ignored but not the latter.
4518
4519 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4520
4521         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4522         is made and the reference doesn't use the alias set of its type,
4523         do not create the temporary using that type.
4524
4525 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4526
4527         * jump.c: Remove prototypes for delete_computation and
4528         delete_prior_computation.
4529
4530 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4531
4532         * jump.c (get_label_after): Delete.
4533         (get_label_before, delete_computation, delete_jump,
4534         delete_prior_computation, follow_jumps): Move...
4535         * reorg.c (delete_computation, delete_prior_computation): ... here...
4536         (get_label_before, delete_jump): ... making these static ...
4537         (follow_jumps): ... and simplifying this since it only runs after
4538         reload.
4539         * rtl.h (get_label_after, get_label_before, delete_jump,
4540         follow_jumps): Delete prototypes.
4541
4542 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4543
4544         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4545
4546 2007-02-15  Nick Clifton  <nickc@redhat.com>
4547
4548         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4549         order to prevent it from being munged by the target.
4550
4551 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4552
4553         * config/i386/i386.md: Remove misleading comment.
4554
4555 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4556
4557         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4558         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4559         invalid patterns.
4560
4561 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4562
4563         * tree-sra.c (instantiate_missing_elements): Canonicalize
4564         bit-field types.
4565         (sra_build_assignment): New.
4566         (generate_copy_inout, generate_element_copy,
4567         generate_element_zero, generate_one_element_init): Use it.
4568
4569 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4570
4571         * tree-sra.c (instantiate_missing_elements): Canonicalize
4572         bit-field types.
4573         (sra_build_assignment): New.
4574         (generate_copy_inout, generate_element_copy,
4575         generate_element_zero, generate_one_element_init): Use it.
4576
4577 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4578
4579         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4580         limbo die nodes.
4581
4582 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4583
4584         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4585         types as aggregates not scalars.
4586         * function.c (assign_stack_temp_for_type): Likewise.
4587
4588 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4589             Zdenek Dvorak  <dvorakz@suse.cz>
4590
4591         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4592         name.
4593
4594 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4595
4596         * passes.c (next_pass_1): Clear the next field of the copied
4597         pass structure.
4598
4599 2007-02-14  Richard Henderson  <rth@redhat.com>
4600
4601         * tree-sra.c (early_sra): New.
4602         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4603         (tree_sra_early, pass_sra_early): New.
4604         * tree-pass.h (pass_sra_early): Declare.
4605         * passes.c (init_optimization_passes): Use it.
4606
4607 2007-02-14  Richard Guenther  <rguenther@suse.de>
4608
4609         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4610
4611 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4612
4613          PR tree-optimization/30771
4614         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4615         also phi nodes.
4616         (vect_analyze_operations): Induction phis can now be marked as
4617         used_in_loop.
4618         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4619         Update documentation accordingly.
4620
4621 2007-02-14  Nick Clifton  <nickc@redhat.com>
4622
4623         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4624         most 3 arguments are supported.
4625         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4626
4627 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4628
4629         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4630         Ensure dst->current is valid.
4631
4632 2007-02-13  Paul Brook  <paul@codesourcery.com>
4633
4634         * config.gcc: Add arm*-*-uclinux-*eabi.
4635         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4636         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4637         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4638         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4639         (LINK_SPEC): Define.
4640         (LIB_SPEC): Define.
4641         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4642         register.
4643         * config/arm/uclinux-eabi.h: New file.
4644         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4645         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4646         based targets.
4647
4648 2007-02-13  Ian Lance Taylor  <iant@google.com>
4649
4650         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4651         * flags.h (warn_strict_overflow): Declare.
4652         (enum warn_strict_overflow_code): Define.
4653         (issue_strict_overflow_warning): New static inline function.
4654         * opts.c (warn_strict_overflow): New variable.
4655         (common_handle_option): Handle OPT_Wstrict_overflow and
4656         OPT_Wstrict_overflow_.
4657         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4658         OPT_Wall.
4659         * fold-const.c: Include intl.h.
4660         (fold_deferring_overflow_warnings): New static variable.
4661         (fold_deferred_overflow_warning): New static variable.
4662         (fold_deferred_overflow_code): New static variable.
4663         (fold_defer_overflow_warnings): New function.
4664         (fold_undefer_overflow_warnings): New function.
4665         (fold_undefer_and_ignore_overflow_warnings): New function.
4666         (fold_deferring_overflow_warnings_p): New function.
4667         (fold_overflow_warning): New static function.
4668         (make_range): Add strict_overflow_p parameter.  Change all
4669         callers.
4670         (extract_muldiv, extract_muldiv_1): Likewise.
4671         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4672         tree_expr_nonnegative_p.
4673         (fold_negate_expr): Call fold_overflow_warning.
4674         (fold_range_test): Likewise.
4675         (fold_comparison): Likewise.
4676         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4677         instead of tree_expr_nonnegative_p.
4678         (tree_expr_nonnegative_warnv_p): Rename from
4679         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4680         (tree_expr_nonnegative_p): New function.
4681         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4682         strict_overflow_p parameter.
4683         (tree_expr_nonzero_p): New function.
4684         * passes.c (verify_interpass_invariants): New static function.
4685         (execute_one_pass): Call it.
4686         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4687         warnings.
4688         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4689         (estimate_numbers_of_iterations): Likewise.
4690         (scev_probably_wraps_p): Likewise.
4691         * tree-ssa-ccp.c: Include "toplev.h".
4692         (evaluate_stmt): Defer fold overflow warnings until we know we are
4693         going to optimize.
4694         (struct fold_stmt_r_data): Add stmt field.
4695         (fold_stmt_r): Defer fold overflow warnings until we know we
4696         optimized.
4697         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4698         (fold_stmt_inplace): Likewise.
4699         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4700         (cleanup_control_expr_graph): Defer fold overflow warnings until
4701         we know we are going to optimize.
4702         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4703         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4704         Likewise.
4705         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4706         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4707         * tree-ssa-loop-manip.c (create_iv): Likewise.
4708         * c-typeck.c (build_conditional_expr): Likewise.
4709         (build_binary_op): Likewise.
4710         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4711         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4712         (extract_range_from_unary_expr): Likewise.
4713         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4714         assuming that signed overflow does not occur.
4715         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4716         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4717         (fold_defer_overflow_warnings): Declare.
4718         (fold_undefer_overflow_warnings): Declare.
4719         (fold_undefer_and_ignore_overflow_warnings): Declare.
4720         (fold_deferring_overflow_warnings_p): Declare.
4721         (tree_expr_nonzero_warnv_p): Declare.
4722         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4723         of warning options.
4724         (Warning Options): Document -Wstrict-overflow.
4725         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4726         (tree-ssa-ccp.o): Likewise.
4727         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4728         (fold-const.o): Depend on intl.h.
4729
4730 2007-02-13  Ian Lance Taylor  <iant@google.com>
4731
4732         PR middle-end/30751
4733         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4734         addresses.
4735
4736 2007-02-13  Stuart Hastings  <stuart@apple.com>
4737
4738         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4739
4740 2007-02-13  Richard Henderson  <rth@redhat.com>
4741
4742         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4743         handled_component_p before looking for the indirect_ref.
4744
4745 2007-02-13  Richard Henderson  <rth@redhat.com>
4746
4747         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4748         remove flags clobber.
4749         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4750         (bswaphi_lowpart): New.
4751         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4752         remove TARGET_BSWAP test.  Delete expander of the same name.
4753
4754         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4755         (expand_unop): Use them.
4756
4757 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4758
4759         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4760         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4761         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4762         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4763         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4764         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4765         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4766         assembler dialect choice from asm templates.
4767
4768 2007-02-12  Richard Henderson  <rth@redhat.com>
4769
4770         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4771         (fixuns_trunc<SSEMODEF>si2): Use it.
4772         * config/i386/sse.md (vec_setv4sf_0): Export.
4773         * config/i386/i386.c (ix86_build_const_vector): Export.
4774         (ix86_split_convert_uns_si_sse): Rename from
4775         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4776         * config/i386/i386-protos.h: Update.
4777
4778 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4779
4780         PR c/29521
4781         * c-typeck.c (c_finish_return): Improve warning message.
4782
4783 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4784
4785         * alias.c (find_symbolic_term): Delete unused function.
4786
4787 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4788
4789         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4790         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4791         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4792
4793 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4794
4795         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4796         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4797         the function, temporarily point the debug interface to the null one.
4798
4799 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4800
4801         * dwarf2out.c (round_up_to_align): New static function.
4802         (field_byte_offset): Use it to round the offset.
4803
4804 2007-02-12  Richard Henderson  <rth@redhat.com>
4805
4806         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4807         (inswl_const): Export.
4808
4809 2007-02-12  Richard Henderson  <rth@redhat.com>
4810
4811         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4812         result mode of the libcall, convert back to outmode.
4813
4814 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4815
4816         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4817         (bswapdi2): New define_expand to implement 32-bit implementation.
4818
4819 2007-02-12  Nick Clifton  <nickc@redhat.com>
4820
4821         * doc/invoke.texi (Overall Options): Document --help=.
4822         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4823         (cc1_options): Pass --help= on to cc1.
4824         (display_help): Add description of --help=.
4825         (process_command): Add code to handle --help=.  Allow translated
4826         --help and --target-help switches to be passed on to compiler
4827         sub-process.
4828         (main): Remove unused if statement.
4829         * opts.c (columns): Remove.
4830         (LEFT_COLUMN): Define.
4831         (wrap_help): Add columns argument.
4832         (print_filtered_help): Change parameters to be an include bitmask,
4833         an exclude bitmask, an any bitmask and the column width.  Move the
4834         code to display the params list here.  Add code to display the
4835         status of options rather than their descriptions if the quiet flag
4836         is not active.
4837         (print_specific_help): Change parameters to be an include bitmask,
4838         an exclude bitmask and an any bitmask.  Move code to look up the
4839         column width here.  Decide upon the title for an options listing.
4840         (common_handle_options): Add code to handle --help=.  Adapt code
4841         for --help and --target-help to use the revised form of the
4842         print_specific_help function.
4843         (print_help): Delete.
4844         (print_param_help): Delete.
4845         (print_switch): Delete.
4846         * opts.h (cl_lang_count): Add prototype.
4847         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4848         CL_MAX_OPTION_CLASS): New defines.
4849         * optc-gen.awk: Add construction of cl_lang_count.
4850         * c.opt: Add Warning attribute to warning options and Optimization
4851         attribute to optimization options.
4852         * common.opt: Likewise.
4853         Add --help=.
4854         Add -fhelp and -ftarget-help as aliases for the transformed --help
4855         and --target-help options.
4856         * opt-functions.awk: Add code to handle Warning and Optimization
4857         attributes.
4858
4859 2007-02-12  Richard Henderson  <rth@redhat.com>
4860
4861         * config/alpha/constraints.md: New file.
4862         * config/alpha/alpha.c: Include tm-constrs.h.
4863         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4864         alpha_extra_constraint): Remove.
4865         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4866         * config/alpha/alpha-protos.h: Update.
4867         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4868         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4869         (EXTRA_CONSTRAINT): Remove.
4870         * config/alpha/alpha.md: Include constraints.md.
4871         (adddi splitter): Use satisfies_constraint_*.
4872         * config/alpha/predicates.md (add_operand): Likewise.
4873         (sext_add_operand, addition_operation): Likewise.
4874
4875 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4876
4877         PR tree-optimization/29145
4878         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4879         in our handling of restrict qualified pointers.
4880
4881 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4882
4883         PR middle-end/7651
4884         * doc/invoke.texi (Wunused-value): Update description.
4885         (Wextra): Delete item.
4886         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4887         value of Wunused-value.
4888         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4889         (c_finish_stmt_expr): Don't check extra_warnings.
4890         (emit_side_effect_warnings): The caller is responsible to check
4891         warn_unused_value.
4892
4893 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4894             Matt Thomas  <matt@3am-software.com>
4895
4896         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4897
4898 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4899
4900         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4901         comparisons of POPCOUNT against zero.
4902         (simplify_const_relational_operation): Likewise.
4903
4904 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4905
4906         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4907
4908 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4909
4910         * dwarf2out.c (root_type): Delete unused function.
4911
4912 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4913
4914         * genattrtab.c (contained_in_p): Delete unused function.
4915         (write_expr_attr_cache): Likewise.
4916
4917 2007-02-11  Jan Hubicka  <jh@suse.cz>
4918
4919         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4920         previous patch.
4921
4922 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4923
4924         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4925         to add the REG_EQ* note.
4926         * see.c (see_merge_one_use_extension): Likewise.
4927         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4928         turn REG_EQUAL notes into REG_EQUIV notes if the target
4929         register may have more than one set.
4930         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4931         * gcse.c (try_replace_reg): Likewise.
4932         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4933         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4934         more than one REG_EQUIV note.
4935         * reload1.c (gen_reload): Use set_unique_reg_note.
4936
4937 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4938
4939         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4940         (ix86_builtin_conversion): New function.
4941
4942 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4943
4944         PR target/29487
4945         * tree.h (DECL_REPLACEABLE_P): New macro.
4946         * except.c (set_nothrow_function_flags): Likewise.
4947
4948 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4949             Ira Rosen  <irar@il.ibm.com>
4950             Dorit Nuzman  <dorit@il.ibm.com>
4951
4952         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4953         * targhooks.c (default_builtin_vectorized_conversion): New.
4954         * targhooks.h (default_builtin_vectorized_function): New declaration.
4955         * target.h (struct vectorize): Add builtin_conversion field.
4956         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4957         stmt_vec_info_type value.
4958         (vectorizable_conversion): New declaration.
4959         * tree-vect-analyze.c (vect_analyze_operations): Add
4960         vectorizable_conversion call.
4961         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4962         * tree-vect-transform.c (vectorizable_conversion): New function.
4963         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4964         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4965         mode.
4966         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4967         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4968         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4969         or ALTIVEC_BUILTIN_VCFSX.
4970
4971 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4972
4973         PR target/30634
4974         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4975         CONST_DOUBLE and operand 0 is a hard register.
4976         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4977         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4978         is a hard floating-point register.
4979
4980 2007-02-10  Richard Henderson  <rth@redhat.com>
4981             Jakub Jelinek  <jakub@redhat.com>
4982             Alexandre Oliva  <aoliva@redhat.com>
4983
4984         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4985         * builtin-types.def (BT_WORD): Make unsigned.
4986         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4987         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4988         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4989         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4990         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4991         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4992         emulated tls.
4993         * expr.c (emutls_var_address): New.
4994         (expand_expr_real_1): Expand emulated tls.
4995         (expand_expr_addr_expr_1): Likewise.
4996         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4997         * output.h (emutls_finish): Declare.
4998         * toplev.c (compile_file): Call it.
4999         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5000         address before wrapping in CONST.
5001         * varasm.c (emutls_htab, emutls_object_type): New.
5002         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5003         (get_emutls_object_name, get_emutls_object_type): New.
5004         (get_emutls_init_templ_addr, emutls_decl): New.
5005         (emutls_common_1, emutls_finish): New.
5006         (assemble_variable): When emulating tls, swap decls; generate
5007         constructor for the emutls objects.
5008         (do_assemble_alias): When emulating tls, swap decl and target name.
5009         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5010         for emulated tls.
5011         * varpool.c (decide_is_variable_needed): Look at force_output.
5012         Recurse for emulated tls.
5013         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5014         with decide_is_variable_needed.
5015         * emutls.c: New file.
5016         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5017         tls_object for real tls.
5018
5019 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5020
5021         PR rtl-optimization/29599
5022         * reload1.c (eliminate_regs_in_insn): Take the destination
5023         mode into account when computing the offset.
5024
5025 2007-02-09  Stuart Hastings  <stuart@apple.com>
5026             Richard Henderson  <rth@redhat.com>
5027
5028         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5029         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5030         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5031         fixuns_truncdfhi2): New.
5032         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5033         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5034         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5035         (floatunssidf2): Allow nonimmediate source.
5036         * gcc/config/i386/sse.md (movdi_to_sse): New.
5037         (vec_concatv2di): Drop '*'.
5038         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5039         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5040         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5041         New.
5042         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5043         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5044         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5045         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5046         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5047         ix86_build_const_vector.
5048         (x86_emit_floatuns): Rewrite.
5049
5050 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5051
5052         * genautomata.c (longest_path_length): Delete unused function.
5053         (struct state): Delete unused longest_path_length.
5054         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5055         (get_free_state): Delete unused.
5056
5057 2007-02-09  Jan Hubicka  <jh@suse.cz>
5058
5059         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5060         * doc/invoke.texi (inline-unit-growth): Update default value.
5061
5062         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5063         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5064         (rebuild_cgraph_edges): Likewise.
5065         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5066         (dump_cgraph_node): Dump frequencies.
5067         (cgraph_clone_edge): Add frequency scales.
5068         (cgraph_clone_node): Add freuqnecy.
5069         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5070         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5071         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5072         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5073         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5074         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5075         (save_inline_function_body): Likewise.
5076         * ipa-inline.c: inluce rtl.h
5077         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5078         (cgraph_edge_badness): Use frequencies.
5079         (cgraph_decide_recursive_inlining): Update clonning.
5080         (cgraph_decide_inlining_of_small_function): Dump frequency.
5081         * predict.c (estimate_bb_frequencies): Export.
5082         * predict.h (estimate_bb_frequencies): Declare.
5083         * tree-inline.c (copy_bb): Watch overflows.
5084         (expand_call_inline): Update call of cgraph_create_edge.
5085         (optimize_inline_calls): Use TODO flags to update frequnecies.
5086         * passes.h: Include predict.h
5087         (init_optimization_passes): Move profile ahead.
5088         (execute_function_todo): Handle TODO_rebuild_frequencies.
5089
5090 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5091
5092         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5093         the insbl or inswl pattern into a register.
5094
5095 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5096
5097         * config/ia64/ia64.md (bswapdi2): New define_insn.
5098
5099 2007-02-09  Richard Henderson  <rth@redhat.com>
5100
5101         * config/i386/constraints.md (Ym): New constraint.
5102         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5103         (movdi_1_rex64): Split sse and xmm general register moves from
5104         memory move alternatives.  Use conditional register constraints.
5105         (movsf_1, movdf_integer): Likewise.
5106         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5107         (movdf_integer_rex64): New.
5108         (pushsf_rex64): Fix output constraints.
5109         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5110         (sse2_stored): Likewise.
5111         (sse2_storeq_rex64): New.
5112         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5113         amd and not generic.
5114         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5115         for optimize_size.  Remove SF/DFmode hack.
5116
5117 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5118
5119         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5120         (bit_SSE4a): New.
5121
5122 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5123             Richard Sandiford  <richard@codesourcery.com>
5124
5125         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5126         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5127         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5128         m68k/t-mlib to tmake_file.
5129         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5130         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5131         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5132         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5133         variable is not empty, add t-$m68k_arch_family to tmake_file.
5134         Add t-mlibs to tmake_file.
5135         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5136         * config/m68k/t-cf: New file.
5137         * config/m68k/t-m68k: Likewise.
5138         * config/m68k/t-mlibs: Likewise.
5139         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5140         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5141         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5142         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5143         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5144         Delete.
5145         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5146         (INSTALL_LIBGCC): Delete.
5147         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5148         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5149         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5150         (M68K_MLIB_CPU): Define.
5151         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5152         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5153         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5154
5155 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5156             Richard Guenther  <rguenther@suse.de>
5157
5158         PR middle-end/23361
5159         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5160         against INT_MIN/INT_MAX.
5161         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5162         file if a loop is removed.
5163
5164 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5165
5166         * calls.c (store_one_arg): Pass correct alignment to
5167         emit_push_insn for non-BLKmode values.
5168         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5169         unaligned stack slot via a suitably aligned slot.
5170
5171 2007-02-08  DJ Delorie  <dj@redhat.com>
5172
5173         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5174         warnings.
5175         (legal_subregs): Use unsigned char, make const.
5176         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5177
5178 2007-02-08  Paul Brook  <paul@codesourcery.com>
5179
5180         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5181         special interworking needed.
5182
5183 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5184
5185         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5186         conditional to __SSE2__.
5187         (Entries below should have been added to first ChangeLog
5188         entry for amdfam10 dated 2007-02-05)
5189         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5190         defined.
5191         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5192         defined.
5193         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5194         defined.
5195
5196 2007-02-08  DJ Delorie  <dj@redhat.com>
5197
5198         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5199         * config/m32c/m32c.c (legal_subregs): New.
5200         (m32c_illegal_subreg_p): New.
5201         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5202         unsupported subregs of hard regs.
5203
5204 2007-02-08  Jan Hubicka  <jh@suse.cz>
5205
5206         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5207         the same one; always update histograms.
5208
5209 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5210
5211         * passes.c (init_optimization_passes): Tidy comment.
5212
5213 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5214
5215         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5216         strip zero_extend, bswap and rotates from POCOUNT's argument.
5217         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5218         zero_extend and rotates from PARITY's argument.
5219         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5220         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5221         of an integer constant at compile-time.
5222
5223 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5224
5225         PR 30562
5226         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5227         Update all users.
5228         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5229         users.
5230         (init_alias_info):
5231         * tree-ssa-live.c (remove_unused_locals): Do not remove
5232         TREE_ADDRESSABLE variables.
5233         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5234         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5235         FOR_CLOBBER.  Update all users.
5236         If VAR has an associated alias set, add a virtual operand for
5237         it if no alias is found to conflict with the memory reference.
5238
5239 2007-02-07  Jan Hubicka  <jh@suse.cz>
5240             Robert Kidd <rkidd@crhc.uiuc.edu>
5241
5242         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5243
5244 2007-02-07  Ian Lance Taylor  <iant@google.com>
5245
5246         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5247
5248 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5249
5250         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5251         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5252         tablejumpdi, movsi_to_cr_one): Remove constraints from
5253         define_expand's match_operands.
5254
5255 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5256
5257         * global.c (compute_regsets): Move declatation of "i" inside of
5258         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5259
5260 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5261
5262         PR c++/30703
5263         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5264         of INDIRECT_REF <RESULT_DECL>.
5265
5266         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5267
5268 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5269             Kaz Kojima  <kkojima@gcc.gnu.org>
5270
5271         PR target/29746
5272         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5273         properly.
5274         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5275
5276 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5277
5278         * doc/loop.texi: Document possibility not to perform disambiguation
5279         of loops with multiple latches.
5280         * cfgloopmanip.c (alp_enum_p): Removed.
5281         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5282         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5283         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5284         the new forwarder block.
5285         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5286         Handle the case latch is NULL.
5287         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5288         when marking loop exits.
5289         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5290         be modified.
5291         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5292         disambiguate_loops_with_multiple_latches.
5293         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5294         before fix_loop_structure.
5295         * cfgloop.c: Include pointer-set.h and output.h.
5296         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5297         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5298         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5299         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5300         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5301         disambiguate_multiple_latches, get_loop_body_with_size,
5302         disambiguate_loops_with_multiple_latches): New functions.
5303         (flow_loop_dump): Dump multiple latch edges.
5304         (flow_loop_nodes_find): Handle loops with multiple latches.
5305         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5306         (glb_enum_p): Modified.
5307         (get_loop_body): Use get_loop_body_with_size.
5308         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5309         (AVOID_CFG_MODIFICATIONS): New constant.
5310         (disambiguate_loops_with_multiple_latches, add_loop,
5311         get_loop_body_with_size): Declare.
5312         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5313
5314 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5315
5316         PR inline-asm/28686
5317         * global.c (compute_regsets): New function.
5318         (global_alloc): Refactored ELIMINABLE_REGSET
5319         and NO_GLOBAL_ALLOC_REGS computation out.
5320         (rest_of_handle_global_alloc): Call compute_regsets()
5321         for non-optimizing case.
5322
5323 2007-02-06  Richard Henderson  <rth@redhat.com>
5324
5325         * config/i386/constraints.md (Y2): Rename from Y.
5326         (Yi): New constraint.
5327         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5328         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5329         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5330         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5331         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5332         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5333         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5334         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5335         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5336         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5337         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5338         vec_extractv2si_1): Change Y constraints to Y2.
5339         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5340         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5341         Change Y constraints to Y2.
5342         (sse2_loadld): Change Y constraints to x.
5343
5344 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5345
5346         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5347         (parity<mode>2): New define_expand using rs6000_emit_parity.
5348         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5349         rs6000_emit_parity): New functions.
5350         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5351         rs6000_emit_parity): Prototype here.
5352
5353 2007-02-06  Ian Lance Taylor  <iant@google.com>
5354
5355         * lower-subreg.c (simple_move_operand): Reject CONST.
5356         (resolve_clobber): Call validate_change rather than directly
5357         assigning to XEXP (pat, 0).
5358
5359 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5360
5361         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5362         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5363         (tree-cfg.o): Remove hashtab.h dependency.
5364
5365         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5366         (struct ivopts_data): Change niters to pointer_map_t.
5367         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5368         (niter_for_exit): Create pointer_map on demand.  Change for
5369         pointer_map API.
5370         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5371         (free_loop_data): Destroy data->niters if created and reset field.
5372         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5373         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5374
5375         * tree-ssa-reassoc.c: Include pointer-set.h.
5376         (bb_rank): Change to long *.
5377         (operand_rank): Change to pointer_map_t.
5378         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5379         (insert_operand_rank): Accept long.
5380         (operand_entry_hash, operand_entry_eq): Remove.
5381         (get_rank): Return long.  Adjust for changes above.
5382         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5383         and operand_rank.
5384         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5385
5386         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5387         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5388         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5389         is not NULL.
5390         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5391         directly since it cannot be NULL.
5392         (get_vi_for_tree): Rewrite for pointer_map API.
5393         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5394         (init_alias_vars): Create vi_for_tree as pointer_map.
5395         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5396
5397         * tree-cfg.c: Don't include hashtab.h.
5398         (edge_to_cases): Declare as pointer_map.
5399         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5400         Delete.
5401         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5402         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5403         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5404         destroying it.
5405         (record_switch_edge): Delete.
5406         (get_cases_for_edge): Adjust for pointer_map API, inline
5407         record_switch_edge (rewritten for new API), remove goto.
5408
5409 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5410
5411         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5412         * tree-nested.c: Include pointer-set.h.
5413         (var_map_elt, var_map_eq, var_map_hash): Delete.
5414         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5415         to pointer_map_t's.
5416         (nesting_info_bitmap_obstack): New.
5417         (lookup_field_for_decl): Adjust for pointer_map API.
5418         (lookup_tramp_for_decl): Adjust for pointer_map API.
5419         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5420         (get_local_debug_decl): Adjust for pointer_map API.
5421         (convert_nl_goto_reference): Adjust for pointer_map API.
5422         (convert_nl_goto_receiver): Adjust for pointer_map API.
5423         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5424         the new obstack.  Create field_map and var_map as pointer_maps.
5425         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5426         (root): Delete.
5427         (lower_nested_functions): Move root here, no need to NULL it.
5428         Initialize and release the obstack.
5429
5430 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5431
5432         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5433         Remove prototypes and make them non-static.
5434         (struct tree_int_map): Remove.
5435         * tree.h (struct tree_int_map): Move here, turning TO into an
5436         unsigned int.
5437         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5438
5439         * tree.h (TREE_COMPLEXITY): Remove.
5440         (struct tree_exp): Remove complexity field.
5441         * tree.c (build1_stat): Don't set it.
5442
5443 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5444             Victor Kaplansky  <victork@il.ibm.com>
5445
5446         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5447         (vect_is_simple_reduction): Support reduction with induction as
5448         one of the operands.
5449         (vect_is_simple_iv_evolution): Fix formatting.
5450         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5451         formatting.  Don't mark induction phis for vectorization.
5452         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5453         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5454         (vect_get_vec_def_for_operand): Support induction.
5455         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5456         induction case.
5457         (vectorizable_reduction): Support reduction with induction as one of
5458         the operands.
5459         (vectorizable_type_demotion): Use def-type of stmt argument rather
5460         than dummy def-type.
5461
5462         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5463         flag_tree_scev_cprop.
5464         * common.opt (tree-scev-cprop): New flag.
5465
5466         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5467         call to vect_get_new_vect_var.
5468
5469 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5470
5471         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5472         vectype is not NULL.
5473         (vect_pattern_recog_1): Likewise.
5474
5475 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5476
5477         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5478         (fold_negate_expr): Likewise.
5479
5480 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5481
5482         PR debug/30189
5483         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5484         even if cv-qualification is the same.
5485
5486 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5487
5488         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5489         __enable_execute_stack on completion.
5490
5491 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5492
5493         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5494         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5495         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5496         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5497         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5498         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5499         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5500         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5501
5502 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5503
5504         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5505         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5506         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5507         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5508         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5509         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5510         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5511         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5512         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5513         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5514         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5515         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5516         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5517         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5518         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5519         sqrtextenddfxf2_i387): Added amdfam10_decode.
5520
5521         * config/i386/athlon.md (athlon_idirect_amdfam10,
5522         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5523         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5524         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5525         athlon_ivector_store_amdfam10): New define_insn_reservation.
5526         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5527         amdfam10.
5528
5529 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5530
5531         * config/i386/athlon.md (athlon_call_amdfam10,
5532         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5533         define_insn_reservation.
5534         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5535         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5536         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5537
5538 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5539
5540         * config/i386/athlon.md (athlon_sseld_amdfam10,
5541         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5542         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5543
5544 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5545
5546         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5547         define_insn_reservation.
5548         * config/i386/i386.md (sseins): Added sseins to define_attr type
5549         and define_attr unit.
5550         * config/i386/sse.md: Set type attribute to sseins for insertq
5551         and insertqi.
5552
5553 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5554
5555         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5556         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5557         ssecomi_load_amdfam10, ssecomi_amdfam10,
5558         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5559         define_insn_reservation.
5560         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5561
5562 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5563
5564         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5565         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5566         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5567         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5568         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5569         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5570         define_insn_reservation.
5571
5572         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5573         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5574         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5575         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5576         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5577
5578 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5579
5580         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5581         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5582         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5583         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5584         athlon_ssemul_load_k8): Added amdfam10.
5585
5586 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5587
5588         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5589         (x86_sse_unaligned_move_optimal): New variable.
5590
5591         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5592         m_AMDFAM10.
5593         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5594         for unaligned vector SSE double/single precision loads for AMDFAM10.
5595
5596 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5597
5598         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5599         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5600         Define TARGET_CPU_DEFAULT_amdfam10.
5601         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5602         (processor_type): Add PROCESSOR_AMDFAM10.
5603
5604         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5605         processor_type in config/i386/i386.h.
5606         Enable imul peepholes for TARGET_AMDFAM10.
5607
5608         * config.gcc: Add support for --with-cpu option for amdfam10.
5609
5610         * config/i386/i386.c (amdfam10_cost): New variable.
5611         (m_AMDFAM10): New macro.
5612         (m_ATHLON_K8_AMDFAM10): New macro.
5613         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5614         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5615         x86_promote_QImode, x86_integer_DFmode_moves,
5616         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5617         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5618         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5619         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5620         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5621         Enable/disable for amdfam10.
5622         (override_options): Add amdfam10_cost to processor_target_table.
5623         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5624         processor_alias_table.
5625         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5626         (ix86_adjust_cost): Add code for amdfam10.
5627
5628 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5629
5630         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5631         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5632         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5633         * config/i386/i386.h: Add builtin definition for SSE4A.
5634         * config/i386/i386.md: Add support for ABM instructions
5635         (popcnt and lzcnt).
5636         * config/i386/sse.md: Add support for SSE4A instructions
5637         (movntss, movntsd, extrq, insertq).
5638         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5639         Add -march=amdfam10 flag.
5640         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5641         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5642         and amdfam10.
5643         * doc/extend.texi: Add documentation for SSE4A builtins.
5644
5645 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5646
5647         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5648
5649 2007-02-05  Richard Guenther  <rguenther@suse.de>
5650
5651         * tree-vectorizer.h (vectorizable_function): Add argument type
5652         argument, change return type.
5653         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5654         * tree-vect-transform.c (vectorizable_function): Handle extra
5655         argument, return vectorized function decl.
5656         (build_vectorized_function_call): Remove.
5657         (vectorizable_call): Handle calls with result and argument types
5658         differing.  Handle loop vectorization factor correctly.
5659         * targhooks.c (default_builtin_vectorized_function): Adjust for
5660         extra argument.
5661         * targhooks.h (default_builtin_vectorized_function): Likewise.
5662         * target.h (builtin_vectorized_function): Add argument type
5663         argument.
5664         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5665         extra argument, allow vectorizing of lrintf.
5666         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5667         documentation of target hook.
5668
5669 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5670
5671         PR target/30665
5672         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5673         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5674         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5675
5676 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5677
5678         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5679         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5680         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5681         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5682         before canonicalizing sincos to cexpi.
5683         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5684
5685 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5686
5687         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5688         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5689         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5690
5691 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5692
5693         * mips-tfile.c (initialize_init_file): Correct endianness test.
5694
5695 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5696
5697         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5698         the 'y' constraint.
5699
5700 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5701
5702         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5703         saves in a PARALLEL before the register assignments.
5704
5705 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5706
5707         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5708         DWARF_FRAME_RETURN_COLUMN to be a general register.
5709         * dwarf2out.c (init_return_column_size): New function, split from...
5710         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5711         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5712         to be nongeneral registers.
5713         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5714         integer registers.
5715         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5716         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5717
5718 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5719
5720         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5721
5722 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5723
5724         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5725         (remove_path): Use can_remove_branch_p and remove_branch instead
5726         of loop_delete_branch_edge.
5727         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5728         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5729         Update profile using scale_dominated_blocks_in_loop.
5730         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5731         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5732         (can_remove_branch_p, remove_branch): Declare.
5733         * tree-cfg.c (tree_can_remove_branch_p): New function.
5734         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5735         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5736         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5737
5738 2007-02-05  Jan Hubicka  <jh@suse.cz>
5739
5740         PR middle-end/30696
5741         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5742         nodes in cgraph, don't remove offline copy of the function.
5743
5744 2007-02-04  Jan Hubicka  <jh@suse.cz>
5745
5746         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5747         vectors might cause maybe_lookup_element_for_expr to be called
5748         on non-sra-candidate.
5749
5750 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5751
5752         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5753         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5754         spelling conventions.
5755
5756 2007-02-04  Richard Guenther  <rguenther@suse.de>
5757
5758         PR middle-end/30636
5759         * fold-const.c (try_move_mult_to_index): Make sure to not
5760         overflow one dimension of a multi-dimensional array access.
5761
5762 2007-02-04  Jan Hubicka  <jh@suse.cz>
5763
5764         * passes.c (init_optimization_passes): Reindent.
5765
5766 2007-02-04  Jan Hubicka  <jh@suse.cz>
5767             Eric Botcazou  <ebotcazou@adacore.com>
5768
5769         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5770         (execute_fixup_cfg): Break out the abnormal goto code.
5771         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5772         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5773         (optimize_inline_calls): Call make_nonlocal_label_edges.
5774
5775 2007-02-04  Jan Hubicka  <jh@suse.cz>
5776
5777         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5778         true when something was changed.
5779         (rename_ssa_copies): When something was changed, do
5780         TODO_remove_unused_locals.
5781         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5782         add TODO_remove_unused_locals when instruction was removed.
5783
5784 2007-02-04  Jan Hubicka  <jh@suse.cz>
5785
5786         * ipa-inline.c (try_inline): Improve debug output; work on already
5787         inline edges too.
5788         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5789         call try_inline for already inlined edges too when flattening;
5790         inline also functions that make callee growth but overall unit size
5791         reduce.
5792
5793 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5794
5795         * config/m32c/bitops.md, config/m32c/jump.md,
5796         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5797         config/m32r/m32r.h, config/m32r/m32r.md,
5798         config/m32r/predicates.md, config/m68hc11/larith.asm,
5799         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5800         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5801         config/mips/mips-protos.h, config/mips/mips.c,
5802         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5803         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5804         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5805         spelling conventions.
5806
5807         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5808         Follow spelling conventions.
5809
5810 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5811
5812         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5813         warn about C++0x compatibility.
5814
5815 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5816
5817         * config/h8300/h8300.c, config/h8300/h8300.h,
5818         config/h8300/h8300.md: Follow spelling conventions.
5819
5820 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5821
5822         PR middle-end/30667
5823         * combine.c (try_combine): Do not substitute source operand
5824         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5825
5826 2007-02-03  Jan Hubicka  <jh@suse.cz>
5827
5828         PR gcov-profile/30650
5829         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5830         do not divide by zero for never executed counters.
5831         (tree_find_values_to_profile): Fix counters.
5832         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5833
5834 2007-02-03  Ian Lance Taylor  <iant@google.com>
5835
5836         * lower-subreg.c (simple_move_operand): New static function,
5837         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5838         operands.
5839         (simple_move): Call simple_move_operand.
5840         (find_decomposable_subregs): Add special handling of MEMs.
5841         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5842         meaning of return value.  If we see a hard register, test whether
5843         it can store a word_mode value.  Change all callers.
5844
5845 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5846
5847         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5848         ftrapv insns and expanders.
5849         (subdi3): Change define_expand operand 1 to arith11_operand, and
5850         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5851         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5852         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5853         respectively.
5854
5855         PR middle-end/30174
5856         * varasm.c (notice_global_symbol): Treat global objects as weak when
5857         flag_shlib is true.
5858
5859 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5860
5861         * emit-rtl.c (dconstpi): Delete.
5862         (dconstsqrt2): New.
5863         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5864         * real.h (dconstpi): Delete.
5865         (dconstsqrt2): New.
5866         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5867         (fold_builtin_hypot): Likewise.
5868
5869 2007-02-03  Tom Tromey  <tromey@redhat.com>
5870
5871         PR driver/30246
5872         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5873         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5874
5875 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5876
5877         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5878         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5879         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5880         config/rs6000/cell.md, config/rs6000/darwin.h,
5881         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5882         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5883         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5884         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5885         typos.  Follow spelling conventions.
5886         * doc/invoke.texi: Follow spelling conventions.
5887
5888 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5889
5890         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5891         canonicalization transformations that attempt to simplify integer
5892         constant comparisons to become comparisons against zero.
5893
5894 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5895
5896         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5897         fabs(x)*sqrt(2).
5898         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5899         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5900
5901 2007-02-02  Mike Stump  <mrs@apple.com>
5902
5903         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5904         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5905         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5906         generate a branch island.
5907
5908 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5909
5910         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5911         (xtensa_legitimate_address_p): New.
5912         (xtensa_legitimize_address): New.
5913         (xtensa_output_addr_const_extra): New.
5914         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5915         (BASE_REG_P): New.
5916         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5917         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5918         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5919         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5920         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5921         (xtensa_legitimize_address): New.
5922         (xtensa_output_addr_const_extra): New.
5923
5924 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5925
5926         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5927
5928 2007-02-02  Ian Lance Taylor  <iant@google.com>
5929
5930         * expmed.c (expand_divmod): Add comment.
5931
5932 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5933
5934         * emit-rtl.c (renumber_insns): Remove.
5935         * flags.h: Remove the extern for flag_renumber_insns.
5936         * rtl.h: Remove the prototype for renumber_insns.
5937         * toplev.c (flag_renumber_insns): Remove.
5938
5939 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5940
5941         Revert for x86 darwin:
5942         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5943
5944         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5945         code before the following patch under TARGET_MACHO.
5946         (ix86_function_value_regno_p): Likewise.
5947
5948 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5949
5950         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5951         COMPLEX_EXPR.
5952
5953 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5954
5955         PR target/29682
5956         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5957         general or fp registers.  Add comments.
5958         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5959
5960 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5961
5962         * pointer-set.c (insert_aux): Only return insertion slot.
5963         (pointer_set_insert): Adjust.
5964         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5965         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5966         pointer_map_traverse): New.
5967         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5968         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5969         pointer_map_contains, pointer_map_traverse): Declare.
5970
5971 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5972
5973         PR middle-end/30473
5974         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5975         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5976
5977 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5978
5979         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5980
5981         (struct _dep): New type.
5982         (dep_t): New typedef.
5983         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5984         (DEP_STATUS): New access macro.  The macro with the same name was
5985         renamed to DEP_LINK_STATUS.
5986         (dep_init): Declare function
5987
5988         (struct _dep_link): New type.
5989         (dep_link_t): New typedef.
5990         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5991         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5992         (DEP_LINK_STATUS): New macro.
5993         (debug_dep_links): New debug function.
5994
5995         (struct _deps_list): New type.
5996         (deps_list_t): New typedef.
5997         (DEPS_LIST_FIRST): New access macro.
5998         (FOR_EACH_DEP_LINK): New cycle macro.
5999         (create_deps_list, free_deps_list, delete_deps_list): Declare
6000         functions.
6001         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6002         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6003         (copy_deps_list_change_con): Ditto.
6004
6005         (move_dep_link): Declare function.
6006
6007         (struct _dep_node): New type.
6008         (dep_node_t): New typedef.
6009         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6010
6011         (struct haifa_insn_data.back_deps): New field to hold backward
6012         dependencies of the insn.
6013         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6014         to deps_list_t.
6015         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6016         Change its type to deps_list_t.
6017         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6018         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6019         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6020
6021         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6022
6023         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6024
6025         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6026         all callers.
6027         (dep_cost): Declare.
6028
6029         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6030         (ds_to_dk, dk_to_ds): New functions.
6031
6032         (init_dep_1): New static function.
6033         (init_dep): New function.
6034         (copy_dep): New static function.
6035
6036         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6037         functions.
6038         (detach_dep_link): New static function.
6039         (move_dep_link): New function.
6040
6041         (dep_links_consistent_p, dump_dep_links): New static functions.
6042         (debug_dep_links): New debugging function.
6043
6044         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6045
6046         (alloc_deps_list, init_deps_list): New static functions.
6047         (create_deps_list): New function.
6048         (clear_deps_list): New static function.
6049         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6050         (deps_list_consistent_p, dump_deps_list): New static functions.
6051         (debug_deps_list): New function.
6052         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6053         functions.
6054         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6055
6056         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6057         use new scheduler dependencies lists.
6058         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6059         (sched_analyze): Ditto.  Initialize dependencies lists.
6060         (add_forw_dep, compute_forward_dependences): Update to use new
6061         scheduler dependencies lists.
6062
6063         (init_dependency_caches): Init deps_obstack.
6064         (free_dependency_caches): Free deps_obstack.
6065
6066         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6067         new scheduler dependencies lists.
6068         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6069         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6070
6071         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6072         Update to use new scheduler dependencies lists.
6073         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6074         (debug_dependencies): Ditto.
6075         (schedule_region): Update comments.
6076
6077         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6078         scheduler dependencies lists.
6079         (schedule_ebb): Update comments.
6080
6081         * rtl.def (DEPS_LIST): Remove.
6082
6083         * lists.c (unused_deps_list): Remove.
6084         (free_list): Update assertions.
6085
6086         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6087         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6088
6089         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6090         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6091
6092         * haifa-sched.c (comments): Update.
6093         (insn_cost1): Remove.  Inline the code into insn_cost ().
6094         (insn_cost): Update to use new scheduler dependencies lists.  Move
6095         processing of the dependency cost to dep_cost ().
6096         (dep_cost): New function.  Use it instead of insn_cost () when
6097         evaluating cost of the dependency.  Use compatible interface to
6098         interact with the target.
6099         (priority): Update to use new scheduler dependencies lists.
6100         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6101         with greater number of insns that depend on the insn.
6102         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6103         code to free backward dependencies lists.  Inline and optimize code
6104         from resolve_dep () - see PR28071.
6105         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6106         lists.  Update call to targetm.sched.is_costly_dependence hook.
6107
6108         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6109         scheduler dependencies lists.
6110
6111         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6112         (init_h_i_d): Initialize dependencies lists.
6113
6114         (process_insn_depend_be_in_spec): Rename to
6115         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6116         dependencies lists.
6117         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6118         Update to use new scheduler dependencies lists.
6119         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6120
6121         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6122         new scheduler dependencies lists.
6123         (build_intra_loop_deps): Ditto.
6124
6125         * target.h (struct _dep): Declare to use in
6126         gcc_target.sched.is_costly_dependence.
6127         (struct gcc_target.sched.adjust_cost): Fix typo.
6128         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6129         single dep_t parameter instead of an equivalent triad.
6130         (struct gcc_target.sched.adjust_cost_2): Remove.
6131
6132         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6133
6134         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6135
6136         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6137         documentation.
6138         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6139
6140         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6141         (REG_DEP_TRUE): Document.
6142
6143         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6144         Change signature to correspond to the targetm.sched.adjust_cost hook.
6145         Update use in TARGET_SCHED_ADJUST_COST_2.
6146         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6147         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6148         new scheduler dependencies lists.
6149         (ia64_gen_check): Ditto.
6150
6151         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6152         dependencies lists.
6153
6154         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6155         signature to correspond to the targetm.sched.is_costly_dependence hook.
6156         (is_costly_group): Update to use new scheduler dependencies lists.
6157
6158         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6159         instead of INSN_COST () macro.
6160
6161 2007-02-01  Ian Lance Taylor  <iant@google.com>
6162
6163         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6164
6165 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6166
6167         * pa.md (tp_load): Correct mfctl instruction syntax.
6168
6169 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6170
6171         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6172         altivec_padding_size calculation on AIX.  Improve comment, add
6173         assert to verify that it's right.
6174
6175         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6176         64-bit.
6177
6178 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6179
6180         PR inline-asm/28686
6181         * global.c (global_alloc): Add mising initialization of
6182         ELIMINABLE_REGSET.
6183
6184 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6185
6186         * alias.c (init_alias_analysis): Correct whitespace.
6187         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6188         partition_hot_cold_basic_blocks): Likewise.
6189         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6190         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6191         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6192         fold_builtin_snprintf_chk, fold_builtin_printf,
6193         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6194         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6195         * cfgcleanup.c (cleanup_cfg): Likewise.
6196         * cfgexpand.c (tree_expand_cfg): Likewise.
6197         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6198         * function.c (get_next_funcdef_no): Likewise.
6199         * gengtype.c (main): Likewise.
6200         * genmodes.c (main): Likewise.
6201         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6202         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6203         * ifcvt.c (noce_emit_move_insn): Likewise.
6204         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6205         Likewise.
6206         * stor-layout.c (get_best_mode): Likewise.
6207         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6208         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6209         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6210         perform_var_substitution, solve_graph): Likewise.
6211         * tree-vrp.c (vrp_finalize): Likewise.
6212
6213 2007-02-01  Ian Lance Taylor  <iant@google.com>
6214
6215         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6216         high part of a paradoxical subreg, return a constant zero.
6217
6218 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6219
6220         * toplev.c (lang_dependent_init): Call init_set_costs.
6221         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6222
6223 2007-02-01  Richard Guenther  <rguenther@suse.de>
6224
6225         PR middle-end/30656
6226         * fold-const.c (fold_negate_expr): Allow negating a
6227         constant if overflow does not change.
6228
6229 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6230
6231         * doc/c-tree.texi (Expression trees): Improve markup.
6232         * doc/tm.texi (Register Classes, Addressing Modes)
6233         (Floating Point): Fix spacing after abbreviations.  Fix some
6234         typos.
6235
6236 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6237
6238         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6239         * doc/contrib.texi: Likewise.
6240         * doc/install.texi: Likewise.
6241
6242 2007-01-31  Richard Henderson  <rth@redhat.com>
6243             Ian Lance Taylor  <iant@google.com>
6244
6245         * lower-subreg.c: New file.
6246         * rtl.def (CONCATN): Define.
6247         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6248         pass_lower_subreg2.
6249         * emit-rtl.c (update_reg_offset): New static function, broken out
6250         of gen_rtx_REG_offset.
6251         (gen_rtx_REG_offset): Call update_reg_offset.
6252         (gen_reg_rtx_offset): New function.
6253         * regclass.c: Revert patch of 2006-03-05, restoring
6254         reg_scan_update.
6255         (clear_reg_info_regno): New function.
6256         * dwarf2out.c (concatn_loc_descriptor): New static function.
6257         (loc_descriptor): Handle CONCATN.
6258         * common.opt (fsplit_wide_types): New option.
6259         * opts.c (decode_options): Set flag_split_wide_types when
6260         optimizing.
6261         * timevar.def (TV_LOWER_SUBREG): Define.
6262         * rtl.h (gen_reg_rtx_offset): Declare.
6263         (reg_scan_update): Declare.
6264         * regs.h (clear_reg_info_regno): Declare.
6265         * tree-pass.h (pass_lower_subreg): Declare.
6266         (pass_lower_subreg2): Declare.
6267         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6268         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6269         -fsplit-wide-types.
6270         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6271         * Makefile.in (OBJS-common): Add lower-subreg.o.
6272         (lower-subreg.o): New target.
6273
6274 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6275
6276         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6277
6278 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6279
6280         PR target/19087
6281         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6282
6283 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6284
6285         PR middle-end/29335
6286         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6287
6288 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6289
6290         * cfgloop.h: Include vec-prim.h.
6291         (enum li_flags): Remove LI_ONLY_OLD.
6292         (loop_iterator): Changed.
6293         (fel_next, fel_init): Iterate over loop tree.
6294         (FOR_EACH_LOOP_BREAK): New macro.
6295         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6296         FOR_EACH_LOOP.
6297         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6298         * modulo-sched.c (sms_schedule): Ditto.
6299         * tree-vectorizer.c (vectorize_loops): Ditto.
6300         * doc/loop.texi: Update information on loop numbering and behavior of
6301         FOR_EACH_LOOP wrto new loops.
6302         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6303         add_to_evolution_1): Test nestedness of loops instead of comparing
6304         their numbers.
6305         * tree-chrec.c (chrec_fold_plus_poly_poly,
6306         chrec_fold_multiply_poly_poly, chrec_evaluate,
6307         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6308         reset_evolution_in_loop): Ditto.
6309         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6310
6311 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6312
6313         * c-common.c (warn_about_parentheses): Separate warning about
6314         un-parenthized sequence of comparison operators from the one
6315         which is supposed to warn about x <= y <= z.
6316
6317 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6318
6319         * optabs.h (enum optab_index): Add new OTI_isinf.
6320         (isinf_optab): Define corresponding macro.
6321         * optabs.c (init_optabs): Initialize isinf_optab.
6322         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6323         patterns.
6324         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6325         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6326         using isinf_optab.
6327         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6328         expand_builtin_interclass_mathfn.
6329         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6330         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6331         (fxam<mode>2_i387): New insn pattern.
6332         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6333         built-in functions as x87 inline asm.
6334
6335 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6336
6337         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6338
6339 2007-01-30  Eric Christopher  <echristo@apple.com>
6340
6341         * config.gcc: Add geode.
6342
6343 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6344
6345         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6346         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6347         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6348         value-prof.c: Fix comment typos.
6349
6350 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6351
6352         PR c++/24745
6353         * doc/invoke.texi (Wpointer-arith): Document warning.
6354
6355 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6356
6357         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6358         the list of discrepancies from the draft TR.
6359
6360 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6361
6362         PR c++/30601
6363         * doc/invoke.texi (-Wreturn-type): Update description to
6364         match new behavior.
6365
6366 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6367
6368         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6369
6370 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6371
6372         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6373         to handle optabs that operate on floating point input argument and
6374         output to integer output.
6375         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6376         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6377         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6378         expand_builtin_interclass_mathfn ().
6379         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6380         (ilogbsi2): Remove.
6381         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6382         ilogbl built-in functions as x87 intrinsics.
6383
6384 2007-01-30  Richard Guenther  <rguenther@suse.de>
6385
6386         PR middle-end/27657
6387         * dwarf2out.c (reference_to_unused): Query varpool if the
6388         variable was output.
6389
6390 2007-01-30  Richard Guenther  <rguenther@suse.de>
6391
6392         PR middle-end/30313
6393         * passes.c (execute_one_pass): Reset in_gimple_form to not
6394         confuse non-unit-at-a-time mode.
6395
6396 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6397             Richard Guenther  <rguenther@suse.de>
6398
6399         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6400         avoid undefined behaviour on overflow.  Use force_fit_type_double
6401         to construct the constant with the specified TREE_OVERFLOW.
6402
6403 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6404
6405         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6406         * config/dfp-bit.h: Ditto.
6407
6408 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6409
6410         * c-decl.c (pop_scope): Replace warnings with call to
6411         warn_for_unused_label.
6412         * c-common.h (warn_for_unused_label): Declare.
6413         * c-common.c (warn_for_unused_label): Define.
6414
6415 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6416
6417         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6418         function.
6419
6420 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6421
6422         * Makefile.in (USER_H): Remove decfloat.h.
6423         * ginclude/decfloat.h: Delete, moving contents to ...
6424         * ginclude/float.h: Add support for decimal floating point,
6425         guarded by __STDC_WANT_DEC_FP__.
6426
6427 2007-01-29  Mike Stump  <mrs@apple.com>
6428
6429         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6430         Analysis and Representation to resolve case insensitive conflict.
6431         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6432
6433 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6434
6435         * tree.h (struct tree_memory_tag): Add aliases member.
6436         (MTAG_ALIASES): New macro.
6437         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6438         (add_may_alias): Remove pointer-set. Update for may_aliases being
6439         a bitmap.
6440         (mark_aliases_call_clobbered): Update for may_aliases being a
6441         bitmap.
6442         (compute_tag_properties): Ditto.
6443         (create_partition_for): Ditto.
6444         (compute_memory_partitions): Ditto.
6445         (dump_may_aliases_for): Ditto.
6446         (is_aliased_with): Ditto.
6447         (add_may_alias_for_new_tag): Ditto.
6448         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6449         (compute_is_aliased): New function.
6450         (compute_may_aliases): Call compute_is_aliased).
6451         (init_alias_info): Initialize alias_bitmap_obstack.
6452         (union_alias_set_into): New function.
6453         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6454         (have_common_aliases_p): Rewrite to take two bitmaps and use
6455         intersection.
6456         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6457         Update for bitmaps.
6458         (finalize_ref_all_pointers): Update for add_may_alias changes.
6459         (new_type_alias): Ditto.
6460         * tree-flow-inline.h (may_aliases): Return a bitmap.
6461         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6462         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6463         may_aliases being a bitmap.
6464         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6465         may_aliases now returns a bitmap.
6466         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6467         being a bitmap.
6468         * tree-ssa-operands.c (add_virtual_operand): Update for
6469         may_aliases being a bitmap.
6470
6471 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6472
6473         PR tree-optimization/30630
6474         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6475         variable as changed.
6476
6477 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6478
6479         PR c++/28266
6480         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6481         expanded only once even if an error occurs.
6482
6483 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6484
6485         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6486         (__gcov_average_profiler): Likewise.
6487         (__gcov_ior_profiler): Likewise.
6488         (__gcov_merge_ior): Likewise.
6489
6490 2007-01-28  Jan Hubicka  <jh@suse.cz>
6491
6492         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6493         * value-prof.c (stringop_block_profile): Likewise.
6494
6495 2007-01-28  Jan Hubicka  <jh@suse.cz>
6496
6497         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6498         variant handling histograms; add wrapper.
6499         (clear_storage_via_libcall): Export.
6500         (emit_block_move_hints): Break out from ...; add histograms.
6501         (emit_block_move): ... this one.
6502         (clear_storage_hints): Break out from ...; add histograms.
6503         (clear_storage): ... this one.
6504         (set_storage_via_memset): Handle histogram.
6505         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6506         (clear_storage_hints, clear_storage_via_libcall): Declare.
6507         (set_storage_via_setmem): Update prototype.
6508         * doc/md.texi (movmem, setmem): Document new arguments.
6509
6510         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6511         new histograms.
6512         (stringop_block_profile): New global function.
6513         (tree_stringops_values_to_profile): Profile block size and alignment.
6514         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6515         HIST_TYPE_IOR.
6516         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6517         (stringop_block_profile): Declare.
6518         * builtins.c: Include value-prof.h.
6519         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6520         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6521         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6522         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6523         * profile.c (instrument_values): Add new counters.
6524         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6525         calls.
6526         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6527         (tree_init_edge_profiler): Build new profilers.
6528         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6529         (pass_tree_profile): Add dump.
6530         (tree_profile_hooks): Update.
6531         * Makefile.in (LIBGCOV): Add new constants.
6532         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6533         __gcov_ior_profiler): New.
6534         * i386.md (movmem/setmem expanders): Add new optional arguments.
6535
6536 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6537
6538         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6539
6540 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6541
6542         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6543         (tree_unswitch_single_loop): Pass eni_size_weights to
6544         tree_num_loop_insns.
6545         * tree-ssa-loop-manip.c: Include tree-inline.h.
6546         (can_unroll_loop_p): Pass eni_size_weights to
6547         tree_num_loop_insns.
6548         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6549         Pass eni_size_weights to estimate_num_insns.
6550         * tree.h (init_inline_once): Export.
6551         * toplev.c (backend_init): Call init_inline_once.
6552         * cgraphunit.c (cgraph_process_new_functions,
6553         cgraph_analyze_function): Pass eni_inlining_weights to
6554         estimate_num_insns.
6555         * ipa-inline.c (compute_inline_parameters): Ditto.
6556         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6557         to estimate_num_insns.
6558         (try_unroll_loop_completely): Pass eni_size_weights to
6559         tree_num_loop_insns.
6560         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6561         ot estimate_num_insns.
6562         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6563         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6564         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6565         eni_time_weights): New variables.
6566         (init_inline_once): Initialize them.
6567         (struct eni_data): Mew.
6568         (estimate_num_insns_1, estimate_num_insns): Use weights.
6569         * tree-inline.h (struct eni_weights_d): New.
6570         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6571         (estimate_num_insns): Declaration changed.
6572         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6573         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6574         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6575
6576 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6577
6578         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6579         relations in the conflict function is valid.
6580
6581 2007-01-27  Ian Lance Taylor  <iant@google.com>
6582
6583         * common.opt: Add fstrict-overflow.
6584         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6585         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6586         (TYPE_OVERFLOW_UNDEFINED): Define.
6587         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6588         Replace all uses.
6589         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6590         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6591         (fold_negate_expr): Likewise.
6592         (make_range): Likewise.
6593         (extract_muldiv_1): Likewise.
6594         (maybe_canonicalize_comparison): Likewise.
6595         (fold_comparison): Likewise.
6596         (fold_binary): Likewise.
6597         (tree_expr_nonnegative_p): Likewise.
6598         (tree_expr_nonzero_p): Likewise.
6599         * tree-vrp.c (compare_values): Likewise.
6600         (extract_range_from_binary_expr): Likewise.
6601         (extract_range_from_unary_expr): Likewise.
6602         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6603         Likewise.
6604         (nowrap_type_p): Likewise.
6605         * tree-scalar-evolution.c (simple_iv): Likewise.
6606         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6607         (build_range_check): Likewise.
6608         (extract_muldiv_1): Likewise.
6609         (fold_comparison): Likewise.
6610         * tree-vrp.c (vrp_int_const_binop): Likewise.
6611         (extract_range_from_unary_expr): Likewise.
6612         * convert.c (convert_to_integer): Likewise.
6613         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6614         (fold_comparison): Likewise.
6615         (fold_binary): Likewise.
6616         * optabs.c (optab_for_tree_code): Likewise.
6617         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6618         * simplify-rtx.c (simplify_const_relational_operation): Check
6619         flag_strict_overflow and flag_trapv.
6620         (simplify_const_relational_operation): Likewise.
6621         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6622         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6623         -fstrict-overflow.
6624
6625 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6626
6627         * tree.c (tree_fold_gcd): Delete.
6628         * tree.h (tree_fold_gcd): Remove prototype.
6629         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6630         test whether one constant integer is a multiple of another.  Instead
6631         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6632         * fold-const.c (multiple_of_p):  We've determined both TOP and
6633         BOTTOM are integer constants so we can call int_const_binop directly
6634         instead of the more generic const_binop.
6635
6636 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6637
6638         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6639         1*X check that the constant hasn't overflowed, to preserve the
6640         TREE_OVERFLOW bit.
6641         (round_up): Provide an efficient implementation when rouding-up an
6642         INTEGER_CST to a power-of-two.
6643
6644 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6645
6646         * doc/sourcebuild.texi: Add comma for clarity.
6647         * doc/extend.texi: Fix some typos.
6648         * doc/passes.texi: Likewise.
6649         * doc/cppinternals.texi: Likewise.
6650         * doc/c-tree.texi: Likewise.
6651         * doc/tree-ssa.texi: Likewise.
6652         * doc/install.texi: Likewise.
6653
6654 2007-01-27  Jan Hubicka  <jh@suse.cz>
6655
6656         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6657         (pass_sra): Do not require alias information.
6658         * passes.c (init_optimization_passes): Add SRA
6659
6660 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6661
6662         * tracer.c (rest_of_handle_tracer): We already cleaned
6663         up the CFG in tracer() so don't do it here again.
6664         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6665         cleanup_cfg here, either.  And don't call renumber_insns.
6666
6667         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6668         and BB_HEAD are in the insn stream here.  Instead make sure
6669         that BB_INSN is valid on all insns.  Also, do check here that
6670         there are no pending branch predictions...
6671         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6672         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6673         here.
6674
6675 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6676
6677         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6678         function to simplify/factorize operand order canonicalization.
6679         (ix86_fixup_binary_operands): Reorganize using the above function.
6680         (ix86_binary_operator_ok): Likewise.
6681
6682 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6683
6684         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6685         file scope from optimize_attrs.
6686         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6687         up search.
6688         (optimize_attrs): Clear insn_code_values after freeing it.
6689
6690 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6691
6692         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6693         a parts.base assignment.
6694
6695 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6696
6697         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6698         (compute_subscript_distance, initialize_data_dependence_relation,
6699         finalize_ddr_dependent, analyze_ziv_subscript,
6700         analyze_siv_subscript_cst_affine,
6701         compute_overlap_steps_for_affine_univar,
6702         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6703         analyze_siv_subscript, analyze_miv_subscript,
6704         analyze_overlapping_iterations, subscript_dependence_tester_1,
6705         compute_self_dependence, free_dependence_relation): Work
6706         with affine_fn instead of chrecs.
6707         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6708         common_affine_function, affine_function_base,
6709         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6710         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6711         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6712         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6713         (all_chrecs_equal_p): Removed.
6714         * tree-data-ref.h (affine_fn, conflict_function): New types.
6715         (struct subscript): Change type of conflicting_iterations_in_a
6716         and conflicting_iterations_in_b.
6717
6718 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6719
6720         PR other/30182
6721         * config/pa/pa.h (TARGET_HPUX_11): New.
6722         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6723         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6724
6725 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6726         Richard Guenther  <rguenther@suse.de>
6727
6728         * tree-ssa-structalias.c (solve_graph): Handle case
6729         we merged the variable to another.
6730
6731 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6732
6733         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6734         functions.
6735
6736         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6737         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6738
6739 2007-01-25  DJ Delorie  <dj@redhat.com>
6740
6741         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6742         allow changes to modes which don't fit in those registers.
6743
6744         * reload1.c (choose_reload_regs): Check for invalid subregs before
6745         computing their locations, not after.
6746
6747 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6748
6749         PR 25127
6750         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6751         save Altivec registers in an eh_return function.
6752         (compute_vrsave_mask): Likewise.
6753         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6754         for saving Altivec registers.
6755         (rs6000_emit_prologue): Don't allocate stack twice in
6756         eh_return function.  Correct expected value of altivec_save_offset
6757         when using save_world.  Describe save of R0 to stack when using
6758         save_world.  Describe stack pointer adjustment when using
6759         save_world.  Remove duplicated eh_return parameter register saving.
6760         Update sp_offset variable after save_world.
6761         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6762         darwin-world.asm.
6763         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6764         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6765         implies Altivec.
6766
6767 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6768
6769         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6770
6771 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6772
6773         PR other/30182
6774         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6775         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6776
6777 2007-01-25  Richard Guenther  <rguenther@suse.de>
6778
6779         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6780         * common.opt (-Wcoverage-mismatch): New warning option.
6781         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6782         if -Wcoverage-mismatch is given.
6783
6784 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6785
6786         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6787         (ipcp_driver): Change to static definition.
6788         Add dumping of the ifunctions.
6789         (constant_val_insert): Remove unused parameter. Support for SSA.
6790         (ipcp_propagate_const): Support for SSA.
6791         (ipcp_profile_bb_print): Print only analyzed nodes.
6792         (ipcp_replace_map_create): Remove support for Fortran constant
6793         for now.
6794         * ipa-prop.c (ipa_method_modify_stmt,
6795         ipa_callsite_compute_param): Support for SSA.
6796         * ipa-prop.h (ipcp_driver): Remove declaration.
6797         (IS_VALID_TREE_MAP_INDEX): Add define.
6798
6799 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6800
6801         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6802
6803 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6804
6805         PR middle-end/30447
6806         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6807         constant argument to cabs and do it without checking for
6808         -funsafe-math-optimizations.
6809
6810 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6811
6812         * c-common.h (RID_FIRST_CXX0X): New.
6813         (RID_LAST_CXX0X): New.
6814         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6815         by -Wall.
6816         * c.opt (Wc++0x-compat): New.
6817         * doc/invoke.texi (-Wc++0x-compat): Document.
6818
6819 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6820
6821         * builtins.c (fold_builtin_carg): New.
6822         (fold_builtin_1): Use it.
6823
6824 2007-01-24  Jan Hubicka  <jh@suse.cz>
6825
6826         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6827
6828         * ipa-inline.c (initial_insns, max_insns): Delete.
6829         (compute_max_insns): New function.
6830         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6831         of insns as base for code growth.
6832         (cgraph_decide_inlining): Make initial_insns local; do not compute
6833         max_insns.
6834         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6835         * doc/invoke.texi (inline-unit-growth): Update docs.
6836
6837 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6838
6839         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6840         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6841         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6842         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6843         for CPUs that have PTA_CX16 set.
6844
6845         PR middle-end/27416
6846         * gimplify.c (omp_check_private): New function.
6847         (gimplify_scan_omp_clauses): Use it for
6848         firstprivate/lastprivate/reduction.
6849
6850         PR middle-end/30494
6851         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6852         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6853
6854         PR middle-end/30421
6855         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6856         If lower_lastprivate_clauses emits some statements, append them
6857         to dlist rather than body_p and to body_p append an initializer.
6858         (lower_omp_for): Adjust caller.
6859
6860 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6861
6862         * target.h (globalize_decl_name): New.
6863         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6864         * output.h (default_globalize_decl_name): New.
6865         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6866         globalize_label.
6867         (globalize_decl): Ditto.
6868         (default_globalize_decl_name): New.
6869         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6870         (ia64_handle_version_id_attribute): New.
6871         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6872         (ia64_asm_output_external): Use globalize_decl_name instead
6873         of globalize_label.
6874         * doc/extend.texi (version_id): New pragma.
6875         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6876
6877 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6878
6879         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6880         _uleb128_t and _Unwind_SWord with _sleb128_t.
6881         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6882         uw_frame_state_for, uw_update_context_1): Likewise.
6883         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6884         * unwind-pe.h (read_uleb128, read_sleb128,
6885         read_encoded_value_with_base): Likewise.
6886         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6887
6888 2007-01-24  Richard Guenther  <rguenther@suse.de>
6889
6890         * builtins.c (expand_builtin_cexpi): Get the fndecl
6891         for cexp in the correct way.
6892
6893 2007-01-24  Jan Hubicka  <jh@suse.cz>
6894
6895         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6896
6897 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6898
6899         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6900         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6901         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6902         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6903         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6904         __SIZEOF_PTRDIFF_T__.
6905         * doc/cpp.texi: Documentation for the new builtin macros added.
6906
6907 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6908
6909         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6910         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6911         instead of operands[2] to avoid access past the end of array.
6912
6913 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6914
6915         * reload1.c (emit_reload_insns): Pass the reload register
6916         for a non-spill output reload through forget_old_reloads_1.
6917
6918 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6919
6920         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6921         _SOFT_DOUBLE if doubles use software floating-point.
6922         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6923         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6924         * config/rs6000/darwin-ldouble.c: Also compile functions for
6925         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6926         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6927         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6928         commented-out long double override.
6929         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6930         * config/rs6000/eabispe.h: Likewise.
6931         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6932         long double for non-SPE.
6933         (rs6000_handle_option): Likewise.
6934         (invalid_e500_subreg): Disallow more subregs involding DImode,
6935         DFmode, TImode or TFmode.
6936         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6937         E500 double.
6938         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6939         double.
6940         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6941         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6942         double.
6943         (rs6000_legitimate_address): Also check for TFmode for E500
6944         double.
6945         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6946         (spe_build_register_parallel): Handle TFmode and TCmode.
6947         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6948         double.
6949         (function_arg): Handle TFmode and TCmode for E500 double.
6950         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6951         in general.
6952         (print_operand): Handle TFmode and TImode for %y.
6953         (rs6000_generate_compare): Handle TFmode comparisons for E500
6954         double.
6955         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6956         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6957         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6958         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6959         TFmode for E500 double.
6960         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6961         (floatsidf2): Enable for E500 double.
6962         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6963         (extenddftf2): Change to extenddftf2_fprs.
6964         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6965         depending on TARGET_E500_DOUBLE.
6966         (extendsftf2): Enable for E500 double.
6967         (trunctfdf2): Enable for E500 double.
6968         (trunctfsf2): Change to trunctfsf2_fprs.
6969         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6970         depending on TARGET_E500_DOUBLE.
6971         (floatsitf2): Enable for E500 double.
6972         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6973         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6974         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6975         (negtf2): Change to negtf2_internal.
6976         (negtf2): New expander.
6977         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6978         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6979         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6980         (movdi_internal32): Use rs6000_nonimmediate_operand.
6981         (unnamed splitter): Likewise.
6982         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6983         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6984         (SPE64TF, DITI): New mode macros.
6985         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6986         modes.
6987         (frob_tf_ti): New.
6988         (frob_<mode>_di_2): New.
6989         (frob_tf_di_8_2): New.
6990         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6991         (frob_ti_tf): New.
6992         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6993         more modes.
6994         (frob_ti_<mode>_8_2): New.
6995         (frob_ti_tf_2): New.
6996         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6997         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6998         TFmode.
6999         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7000         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7001         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7002         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7003         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7004         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7005         tsttflt_gp): New.
7006
7007 2007-01-23  Ian Lance Taylor  <iant@google.com>
7008
7009         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7010         insn-*.o first.
7011         (OBJS-archive): Reformat, alphabetize.
7012         (OBJS): Change out_object_file to OBJS-md.
7013
7014 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7015
7016         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7017         JUMP_P and CALL_P predicates where applicable.
7018         * config/i386/i386.c: Ditto.
7019         * config/i386/i386.md: Ditto.
7020         * config/i386/mmx.md: Ditto.
7021         * config/i386/predicates.md: Ditto.
7022
7023 2007-01-22  Andreas Schwab  <schwab@suse.de>
7024
7025         * config/m68k/m68k.h: Fix comment.
7026
7027 2007-01-22  Jan Hubicka  <jh@suse.cz>
7028
7029         * passes.c (init_optimization_passes): Do not rerun
7030         pass_early_warn_uninitialized.
7031
7032 2007-01-22  Richard Guenther  <rguenther@suse.de>
7033
7034         PR tree-optimization/30038
7035         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7036         function.
7037         (execute_cse_sincos_1): Likewise.
7038         (execute_cse_sincos): Likewise.
7039         (gate_cse_sincos): Likewise.
7040         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7041         the cexpi() canonicalization of sincos().
7042         * tree-pass.h (pass_cse_sincos): Declare.
7043         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7044
7045 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7046
7047         PR rtl-optimization/29329
7048         * combine.c (replaced_rhs_insn): Rename to i2mod.
7049         (replaced_rhs_value): Rename to i2mod_new_rhs.
7050         (i2mod_old_rhs): New global variable.
7051         (combine_instructions): Adjust for above change.  Save a copy of
7052         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7053         note are substituted in the second instruction.
7054         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7055         ditch the note if it pertains to the second eliminated register
7056         and this register is mentioned in i2mod_old_rhs.
7057
7058         Revert:
7059         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7060
7061         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7062         the insn to which the note was originally attached.
7063
7064 2007-01-21  Jan Hubicka  <jh@suse.cz>
7065
7066         * ipa-inline.c (inlining_mode): Comment, move up.
7067         (cgraph_decide_inlining_incrementally): Do not perform inlining
7068         itself; fix handling of flattening of self recursive functions.
7069         (cgraph_find_cycles): Remove.
7070         (cgraph_flatten_node): Remove.
7071         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7072         (try_inline): New function.
7073         (cgraph_early_inlining): Update call of
7074         cgraph_decide_inlining_incrementally.  Apply inlining here.
7075         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7076
7077 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7078
7079         PR bootstrap/30511
7080         * tree-vrp.c (check_array_bounds): do not warn
7081         about ADDR_EXPR's of ARRAY_REF's which are immediately
7082         used in binary expressions.
7083
7084 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7085
7086         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7087         read_write_dep and macros for its access.
7088         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7089         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7090         argument, call vect_check_interleaving for every independent pair of
7091         data-refs. Mark loads that access the same memory location as a store
7092         in the loop.
7093         (vect_check_dependences): Remove.
7094         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7095         call, fix the call to vect_analyze_data_ref_dependence.
7096         (vect_analyze_data_ref_access): For statements that access the same
7097         data-ref, check that they are not stores; for loads, check that there
7098         is no store that access the same location.
7099
7100 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7101             Joseph Myers  <joseph@codesourcery.com>
7102
7103         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7104         (-fdump-rtl-stack): Likewise.
7105         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7106         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7107         (-mpt-fixed): Use @minus{} for minus sign.
7108         (Using Precompiled Headers): Fix under/overfull hbox.
7109
7110 2007-01-20  Jan Hubicka  <jh@suse.cz>
7111
7112         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7113         place within annotation.
7114
7115 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7116
7117         * pa.c (output_move_double): Change array size of xoperands to 4.
7118
7119 2007-01-20  Jan Hubicka  <jh@suse.cz>
7120
7121         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7122         as temporary.
7123
7124 2007-01-19  Ian Lance Taylor  <iant@google.com>
7125
7126         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7127         constant to unsigned HOST_WIDE_INT before negating.
7128
7129 2007-01-19  Ian Lance Taylor  <iant@google.com>
7130
7131         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7132         to unsigned.
7133         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7134         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7135         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7136         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7137         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7138         (realloc_vdef, realloc_vuse): Change second parameter to
7139         unsigned.
7140         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7141         fields to unsigned.
7142         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7143         unsigned. Change x and lim locals to unsigned.
7144         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7145         unsigned.
7146         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7147         (copy_virtual_operands): Change i and n locals to unsigned.
7148
7149 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7150
7151         PR middle-end/29335
7152         * builtins.c (fold_builtin_1): Handle builtin fdim.
7153
7154 2007-01-20  Jan Hubicka  <jh@suse.cz>
7155
7156         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7157         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7158         init_alias_heapvars.
7159         (init_alias_heapvars): Initialize only when not already initialized.
7160         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7161
7162 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7163
7164         * common.opt (fsigned-zeros): New command line option.
7165         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7166         of flag_unsafe_math_optimizations.
7167         * opts.c (set_fast_math_flags): The -ffast-math command line option
7168         implies -fno-signed-zeros.
7169         (fast_math_flags_set_p): Likewise.
7170
7171         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7172         the documentation of -ffast-math appropriately.  Wrap long lines.
7173
7174 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7175
7176         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7177         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7178
7179 2007-01-19  Tomas Bily  <tbily@suse.cz>
7180
7181         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7182         * tree-profile.c:
7183         (tree_init_ic_make_global_vars): New function
7184         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7185         (tree_gen_ic_profiler): New function
7186         (tree_gen_ic_func_profiler): New function
7187         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7188         (tree_profile_hooks): Added hook for indirec/virtual calls
7189         * value-prof.c (tree_find_values_to_profile): New case for
7190         indirect calls
7191         (tree_values_to_profile): Call for determining indirect/virtual
7192         counters
7193         (tree_indirect_call_to_profile): New function
7194         (tree_ic_transform): New function
7195         (tree_ic): New function
7196         (find_func_by_pid): New function
7197         (init_pid_map): New function
7198         (tree_value_profile_transformations): Added check for
7199         indirect/virtual call transformation
7200         * value-prof.h (enum hist_type): New counter type for
7201         indirect/virtual calls
7202         (profile_hooks): Added new hook for profiling indirect/virtual
7203         calls
7204         * profile.c (instrument_values): New case for indirect/virtual
7205         call added
7206         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7207         (GCOV_COUNTER_V_INDIR): New counter type
7208         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7209         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7210         call added
7211         * cgraph.c: Definition of cgraph_max_pid
7212         (cgraph_create_node): Default init of pid attribute
7213         * cgraph.h: Declaration of cgraph_max_pid
7214         (struct cgraph_node): Added pid attribute
7215         * libgcov.c (__gcov_indirect_call_profiler): New function
7216         (__gcov_one_value_profiler_body): New function
7217         (__gcov_one_value_profiler): Body was moved to
7218         __gcov_one_value_profiler_body and calls it
7219
7220 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7221
7222         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7223         * gengtype.c (write_types_data, write_func_for_structure,
7224         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7225         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7226         (walk_type, write_func_for_structure): Generate the mark_hook if
7227         needed.
7228
7229 2007-01-19  Jan Hubicka  <jh@suse.cz>
7230
7231         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7232         'early' argument take inlining mode argument specifying whether to
7233         inline for size/speeed or all functions; add support for flattening;
7234         improve dumpting.
7235         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7236
7237 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7238
7239         PR c++/17947
7240         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7241         the name of the declared identifier.
7242
7243 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7244
7245         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7246         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7247         duplicate evaluation.
7248
7249 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7250
7251         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7252         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7253         to XFMode, use acosxf2 and truncate result to requested mode.
7254         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7255         (asin<mode>2): Similarly, with asin expanders.
7256         (*fscalexf4_i387): Rename from *fscalexf4.
7257         (expNcorexf3): New expander.
7258         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7259         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7260         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7261         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7262         patterns for SSE math.
7263         (exp10<mode>2): Similarly, with exp10 expanders.
7264         (exp2<mode>2): Similarly, with exp2 expanders.
7265         (expm1<mode>2): Similarly, with expm1 expanders.
7266         (ldexp<mode>3): Similarly, with ldexp expanders.
7267         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7268         Use gen_truncxf<mode>2_i387_noop to truncate result.
7269
7270 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7271
7272         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7273         for ColdFire targets.
7274
7275 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7276             Richard Sandiford  <richard@codesourcery.com>
7277
7278         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7279         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7280         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7281         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7282         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7283         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7284
7285 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7286
7287         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7288         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7289         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7290         (*adddi_dilshr32_cf): New pattern.
7291         (adddi3, subdi3): Remove first alternatives.
7292
7293 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7294
7295         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7296         implemented using move.l, do not use its cc result for floating-point
7297         comparisons.
7298
7299 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7300
7301         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7302         from accepting 's' constraints if flag_pic.
7303
7304 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7305
7306         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7307         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7308         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7309         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7310
7311 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7312
7313         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7314         ColdFire alternatives.
7315         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7316         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7317         architectures that support ff1 instruction.
7318
7319 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7320             Julian Brown  <julian@codesourcery.com>
7321
7322         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7323         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7324         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7325         Add commentary.
7326
7327 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7328
7329         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7330         and return a bool.
7331         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7332         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7333         HOST_WIDE_INT instead of an rtx.
7334         (m68k_rtx_costs): Update call accordingly.
7335         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7336         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7337         Return a bool.
7338         (output_move_simode_const): Update calls after above changes.
7339         Rework to use automatic variables and predicates like MEM_P.
7340         * config/m68k/m68k.md (pushexthisi_const): Update call to
7341         valid_mov3q_const.
7342
7343 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7344
7345         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7346         in dump_flags test.
7347
7348 2007-01-19  Richard Guenther  <rguenther@suse.de>
7349
7350         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7351         via cexp in case sincos is not available.
7352
7353 2007-01-19  Richard Guenther  <rguenther@suse.de>
7354
7355         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7356         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7357         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7358         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7359         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7360         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7361         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7362         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7363
7364 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7365
7366         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7367         New insn patterns.
7368         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7369         (atan2xf3): Directly generate RTL pattern.
7370         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7371         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7372         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7373         disable patterns for SSE math.
7374         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7375         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7376         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7377         disable patterns for SSE math.
7378
7379 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7380
7381         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7382
7383 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7384
7385         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7386         VIEW_CONVERT_EXPR to the same type as it's operand.
7387
7388 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7389
7390         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7391         configured for long double 128.
7392
7393 2007-01-18  Mike Stump  <mrs@apple.com>
7394
7395         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7396         error.
7397
7398 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7399
7400         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7401         type correct.
7402
7403 2007-01-18  Jan Hubicka  <jh@suse.cz>
7404
7405         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7406         greater than NUM_VOP_FREE_BUCKETS.
7407
7408 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7409
7410         * tree-ssa-structalias.c: Update comments.
7411         (ptabitmap_obstack): Removed.
7412         (pta_obstack): New.
7413         (oldpta_obstack): Ditto.
7414         (stats): Add a few members.
7415         (struct variable_info): Remove node, complex, address_taken, and
7416         indirect_target members. Add oldsolution member.
7417         (new_var_info): Do not initialize removed members.
7418         (constraint_expr_type): Remove INCLUDES.
7419         (constraint_graph): Add size, implicit_preds, rep,
7420         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7421         (FIRST_REF_NODE): New macro.
7422         (LAST_REF_NODE): Ditto.
7423         (FIRST_ADDR_NODE): Ditto.
7424         (find): New function.
7425         (unite): Ditto.
7426         (dump_constraint): Do not handle INCLUDES.
7427         (insert_into_complex): Do not insert duplicate constraints.
7428         (condense_varmap_nodes): Renamed and rewritten into ...
7429         (merge_node_constraints): This. Also fix bug in handling of
7430         offseted copy constraints.
7431         (clear_edges_for_node): No longer need to deal with preds at all,
7432         or removing associated preds/succs.
7433         (merge_graph_nodes): Deal with indirect_cycles.
7434         Don't deal with predecessors.
7435         (add_implicit_graph_edge): New function.
7436         (add_pred_graph_edge): Ditto.
7437         (add_graph_edge): Don't deal with predecessors.
7438         (build_constraint_graph): Removed.
7439         (build_pred_graph): New function.
7440         (build_succ_graph): Ditto.
7441         (struct scc_info): Removed in_component. Added roots, dfs, and
7442         node_mapping. Remove visited_index, unification_queue.
7443         (scc_visit): Deal with union-find we do now.
7444         Deal with cycles with REF nodes.
7445         (collapse_nodes): Renamed and rewritten to ...
7446         (unify_nodes): This.
7447         (process_unification_queue): Removed.
7448         (topo_visit): Cleanup
7449         (do_da_constraint): Use find.
7450         (do_sd_constraint): Ditto.
7451         (do_ds_constraint): Ditto.
7452         (do_complex_constraint): Ditto.
7453         (init_scc_info): Update for removed and added members.
7454         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7455         (find_indirect_cycles): This.
7456         (equivalence_class): New variable.
7457         (label_visit): New function.
7458         (perform_variable_substitution): Rewritten.
7459         (free_var_substitution_info): New function.
7460         (find_equivalent_node): Ditto.
7461         (move_complex_constraints): Ditto.
7462         (eliminate_indirect_cycles): Ditto.
7463         (solve_graph): Only propagate changed bits.
7464         Use indirect cycle elimination.
7465         Use find.
7466         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7467         (tree_id_eq): Renamed to ...
7468         (tree_vi_eq): This. Update for member change
7469         (insert_id_for_tree): Renamed and rewritten to ...
7470         (insert_vi_for_tree): This.
7471         (lookup_id_for_tree): Renamed and rewritten to ...
7472         (lookup_vi_for_tree): This.
7473         (get_id_for_tree): Renamed and rewritten to ...
7474         (get_vi_for_tree): Ditto.
7475         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7476         (process_constraint): Don't handle INCLUDES.
7477         Remove special ADDRESSOF case.
7478         (find_func_aliases): Rewrite to use vi functions instead of id
7479         ones.
7480         (create_function_info_for): Ditto.
7481         (create_variable_info_for): Ditto.
7482         (intra_create_variable_infos): Ditto.
7483         (merge_smts_into): Ditto.
7484         (find_what_p_points_to): Ditto.
7485         (init_base_vars): Ditto.
7486         (init_alias_vars): Ditto.
7487         (remove_preds_and_fake_succs): New function.
7488         (dump_sa_points_to_info): Dump new stats.
7489         (dump_solution_for_var): Use find.
7490         (set_used_smts): Fix formatting.
7491         (compute_points_to_sets): Updated for new functions.
7492         (ipa_pta_execute): Ditto.
7493
7494 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7495             Richard Sandiford  <richard@codesourcery.com>
7496
7497         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7498         parallels.
7499         * calls.c (expand_call): If the return value is a PARALLEL,
7500         extract its first member.
7501         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7502         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7503         use FUNCTION_EXTRA_EPILOGUE.
7504         (m68k_function_value): Return a PARALLEL if the return value
7505         is of a pointer type.
7506         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7507         (FUNCTION_EXTRA_EPILOGUE): Remove.
7508         * config/m68k/m68k.md (D0_REG): New constant.
7509
7510 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7511
7512         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7513         output a NOP for empty epilogues.
7514
7515 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7516
7517         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7518         before function.  Extend register save check to include all
7519         registers, not just integer ones.
7520
7521 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7522
7523         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7524         (m68k_use_return_insn): ...this.
7525         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7526         * config/m68k/m68k.c (use_return_insn): Rename to...
7527         (m68k_use_return_insn): ...this.
7528         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7529         of USE_RETURN_INSN.
7530
7531 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7532
7533         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7534         nearest even, fix denormal rounding overflow.
7535
7536 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7537
7538         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7539         f%$smove and f%$move.
7540         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7541         (extendsfdf2_cf): Use fdmove instead of f%&move.
7542         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7543         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7544
7545 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7546
7547         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7548         GPR<-GPR moves.
7549
7550 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7551
7552         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7553         (coldfire_single_format): Declare.
7554         (coldfire_double_format): Likewise.
7555         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7556         of qnan_msb_set to determine the lower bits of a canonical
7557         NaN significand.
7558         (encode_ieee_double): Likewise.
7559         (encode_ieee_quad): Likewise.
7560         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7561         (mips_single_format): Likewise.
7562         (ieee_double_format): Likewise.
7563         (mips_double_format): Likewise.
7564         (ieee_extended_motorola_format): Likewise.
7565         (ieee_extended_intel_96_format): Likewise.
7566         (ieee_extended_intel_128_format): Likewise.
7567         (ieee_extended_intel_96_round_53_format): Likewise.
7568         (ibm_extended_format): Likewise.
7569         (mips_extended_format): Likewise.
7570         (ieee_quad_format): Likewise.
7571         (mips_quad_format): Likewise.
7572         (vax_f_format): Likewise.
7573         (vax_d_format): Likewise.
7574         (vax_g_format): Likewise.
7575         (i370_single_format): Likewise.
7576         (i370_double_format): Likewise.
7577         (decimal_single_format): Likewise.
7578         (decimal_double_format): Likewise.
7579         (decimal_quad_format): Likewise.
7580         (c4x_single_format): Likewise.
7581         (c4x_extended_format): Likewise.
7582         (real_internal_format): Likewise.
7583         (coldfire_single_format): New real_format.
7584         (coldfire_double_format): Likewise.
7585         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7586         canonical_nan_lsbs_set.
7587         (pdp11_d_format): Likewise.
7588         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7589         if TARGET_COLDFIRE_CPU.
7590
7591 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7592
7593         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7594         (output_call, m68k_legitimize_call_address): Declare.
7595         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7596         parenthesees.  Add support for a 'W' constraint.
7597         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7598         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7599         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7600         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7601         variables.
7602         (override_options): Initialize them.  Do not set flag_no_function_cse
7603         for TARGET_ID_SHARED_LIBRARY.
7604         (m68k_output_pic_call): Delete.
7605         (m68k_legitimize_call_address): New function.
7606         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7607         (output_call): New function.
7608         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7609         target address from the GOT if symbolic jumps are not allowed.
7610         * config/m68k/m68k.md (call, general_operand): Do not set
7611         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7612         Merge separate flag_pic and !flag_pic define_insns into...
7613         (*call, *call_value): ...these new patterns.  Match the address
7614         rather than the containing MEM and require it to be a call_operand.
7615         Use output_call to generate the asm template.
7616         * config/m68k/predicates.md (const_call_operand): New predicate.
7617         (call_operand): Likewise.
7618
7619 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7620
7621         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7622         (STACK_GROWS_DOWNWARD): Define to 1.
7623         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7624         comments, emphasizing that these values are only defaults.
7625         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7626         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7627
7628 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7629
7630         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7631
7632 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7633             Richard Sandiford  <richard@codesourcery.com>
7634
7635         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7636         (FP_REGNO_P): New macros.
7637         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7638         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7639         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7640         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7641
7642 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7643
7644         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7645         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7646         to $tmake_file.
7647         * config/m68k/t-floatlib: New file, extracting common code from...
7648         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7649         * config/m68k/t-uclinux: Here.
7650         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7651         routines on ColdFire targets.
7652
7653 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7654
7655         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7656         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7657         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7658         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7659         explicitly set MOTOROLA to 1.
7660         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7661
7662 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7663             Nathan Sidwell  <nathan@codesourcery.com>
7664
7665         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7666         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7667         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7668         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7669         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7670         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7671         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7672         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7673         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7674         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7675         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7676         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7677         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7678         (DBX_REGISTER_NUMBER): Delete.
7679         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7680         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7681         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7682
7683 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7684
7685         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7686         * config/flat.h: New file.
7687         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7688         OBJECT_FORMAT_FLAT.
7689         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7690         indirect references for -msep-data or -mid-shared-library.
7691         Do not use PC-relative code addresses either.
7692         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7693         to -mpcrel.
7694         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7695         for shared libraries and crt1.o for executables.  Use crti.o and
7696         crtbegin.o.
7697         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7698         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7699         Do not add -elf2flt or -shared-lib-id options here.
7700         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7701         Pass -shared-lib-id if -mid-shared-library, taking the library
7702         identifier from -mshared-library-id if given, otherwise
7703         defaulting to 0.
7704         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7705         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7706         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7707         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7708         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7709         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7710         and crtend.o.
7711         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7712         jump sequence for ISA A and ISA A+.
7713         (PICJUMP): Likewise.
7714
7715 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7716
7717         * config.gcc (m68k-*-uclinux*): Base the port on the common
7718         and m68k GNU/Linux files rather than on the generic ELF ones.
7719         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7720         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7721
7722 2007-01-18  Julian Brown  <julian@codesourcery.com>
7723             Richard Sandiford  <richard@codesourcery.com>
7724
7725         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7726         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7727         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7728         before redefining.
7729         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7730         80 unconditionally.
7731         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7732
7733 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7734
7735         * doc/install.texi: Document m68k-uclinuxoldabi.
7736         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7737         * config/m68k/uclinux-oldabi.h: New file, copied from
7738         config/m68k/uclinux.h.
7739
7740 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7741
7742         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7743         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7744         (m32r_compute_frame_size): Use unsigned for regno.
7745         (m32r_reload_lr): Use gen_frame_mem.
7746         (pop): New.
7747         (m32r_output_function_epilogue): Don't output the function epilogue
7748         textually here.
7749         (m32r_expand_epilogue): New.
7750         (direct_return): Return false if the function has the interrupt
7751         attribute.
7752         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7753         * config/m32r/m32r.md (epilogue): New expander.
7754         (return_lr, return_rte): New insns.
7755         (return): Make it expander.
7756         (return_normal): New expander.
7757
7758 2007-01-18  Josh Conner  <jconner@apple.com>
7759
7760         PR target/30485
7761         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7762         support for UNLE, UNLT, UNGE, and UNGT.
7763
7764 2007-01-18  Jan Hubicka  <jh@suse.cz>
7765
7766         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7767         * tree-tailcall (add_virtual_phis): Likewise.
7768         (optimize_tail_call): Return TODOs.
7769         (execute_tail_calls): Return TODOs.
7770         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7771         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7772         changed.
7773         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7774         Cleanup cfg using TODO.
7775         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7776         * passes.c (execute_function_todo): When cleanup did something, remove
7777         unused locals.
7778         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7779         (make_edges): Don't cleanup_cfg.
7780
7781 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7782
7783         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7784         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7785         operate on the top of stack.
7786         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7787         register handling of instructions that output to the second
7788         stack slot.
7789         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7790         (move_for_stack_reg): Special-case check for dead destination
7791         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7792
7793         * config/i386/i386.md (UNSPEC_TAN): New constant.
7794         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7795         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7796         to correctly model move of constant 1.0 to top stack slot.
7797         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7798         (unnamed peephole2 pattern): Remove corresponding peephole2
7799         pattern that optimizes tan insn and loading of constant 1.0.
7800         (tanxf2): Use fptanxf4_i387.
7801         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7802         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7803         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7804         disable patterns for SSE math.
7805         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7806         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7807
7808 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7809             Richard Guenther <rguenther@suse.de>
7810
7811         PR diagnostic/8268
7812         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7813         * common.opt (Warray-bounds): Add new warning option.
7814         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7815         if -Wall is given.
7816         * Makefile.in: make tree-vrp.o depend on toplev.h
7817         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7818         is enabled.
7819         (check_array_refs, check_array_bounds, check_array_ref): New.
7820
7821 2007-01-18  Jan Hubicka  <jh@suse.cz>
7822
7823         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7824         (execute_ssa_ccp): Return flags conditionally.
7825         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7826         changed.
7827         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7828
7829 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7830
7831         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7832         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7833
7834         * Makefile.c (GTFILES): Add cfglayout.h.
7835         * gengtype.c (open_base_files): Likewise.
7836         * cfglayout.c (cfg_layout_function_footer,
7837         cfg_layout_function_header) Reindent to make gengtype happy.
7838         * cfglayout.h (cfg_layout_function_footer,
7839         cfg_layout_function_header): Add GTY(()) marker.
7840
7841         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7842
7843 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7844
7845         * genautomata.c (write_automata): Include xstrerror output in the
7846         error message if writing the DFA description file fails.
7847
7848 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7849
7850         * config/mips/mips-protos.h (mips_output_external): Make it
7851         return void.
7852         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7853         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7854         (extern_list): Likewise.
7855         (extern_head): Likewise.
7856         (TARGET_ASM_FILE_END): Likewise.
7857         (mips_file_end): Likewise.
7858         (mips_output_external): Rewritten.
7859
7860 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7861
7862         * genpreds.c (write_insn_preds_c): Only write out the function
7863         body for regclass_for_constraint if we have register constraints.
7864
7865 2007-01-17  Tom Tromey  <tromey@redhat.com>
7866
7867         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7868         * doc/install.texi (Testing): Use sourceware.org.
7869         (Binaries): Likewise.
7870         (Specific): Likewise.
7871         * doc/contrib.texi (Contributors): Use sourceware.org.
7872
7873 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7874
7875         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7876         (AVR_ENHANCED): Rename to ...
7877         (AVR_HAVE_MUL): ... new.
7878         (avr_enhanced_p): Rename to ...
7879         (avr_have_mul_p): ... new.
7880         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7881         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7882         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7883         (avr_have_mul_p): ... new.
7884         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7885         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7886         'avr_enhanced_p' and 'enhanced'.
7887         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7888         AVR_HAVE_MUL instead of AVR_ENHANCED.
7889         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7890         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7891         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7892         instead of AVR_ENHANCED.
7893         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7894         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7895         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7896
7897 2007-01-17  Ian Lance Taylor  <iant@google.com>
7898
7899         * vec.h (VEC_reserve_exact): Define.
7900         (vec_gc_p_reserve_exact): Declare.
7901         (vec_gc_o_reserve_exact): Declare.
7902         (vec_heap_p_reserve_exact): Declare.
7903         (vec_heap_o_reserve_exact): Declare.
7904         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7905         versions.
7906         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7907         negative parameter.
7908         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7909         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7910         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7911         * vec.c (calculate_allocation): Add exact parameter.  Change all
7912         callers.
7913         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7914         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7915         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7916         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7917         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7918         (vec_heap_p_reserve_exact): New function.
7919         (vec_heap_o_reserve_exact): New function.
7920
7921 2007-01-17  Jan Hubicka  <jh@suse.cz>
7922
7923         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7924
7925 2007-01-17  Eric Christopher  <echristo@apple.com>
7926
7927         * config.gcc: Support core2 processor.
7928
7929 2007-01-16  Jan Hubicka  <jh@suse.cz>
7930
7931         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7932         the names, just unlink the chain so we don't crash on dangling pointers
7933         to dead SSA names.
7934
7935 2007-01-16  Jan Hubicka  <jh@suse.cz>
7936
7937         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7938         * tree-pass.h: Reorder to make IPA passes appear toegher.
7939         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7940         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7941         parameters, do not call early inliner.
7942         * ipa-inline.c: Update comments.  Include tree-flow.h
7943         (cgraph_decide_inlining): Do not compute inlining parameters.
7944         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7945         be called with function context set up.
7946         (pass_ipa_inline): Remove unreachable functions before pass.
7947         (cgraph_early_inlining): Simplify assuming to be called from the
7948         PM as local pass.
7949         (pass_early_inline): New pass.
7950         (cgraph_gate_ipa_early_inlining): New gate.
7951         (pass_ipa_early_inline): Turn into simple wrapper.
7952         (compute_inline_parameters): New function.
7953         (gate_inline_passes): New gate.
7954         (pass_inline_parameters): New pass.
7955         (apply_inline): Move here from tree-optimize.c
7956         (pass_apply_inline): New pass.
7957         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7958         transforming.
7959         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7960         doing them by hand.
7961         (tree_function_versioning): Do not allocate dummy struct function.
7962         * tree-inline.h (optimize_inline_calls): Update prototype.
7963         * tree-optimize.c (execute_fixup_cfg): Export.
7964         (pass_fixup_cfg): Remove
7965         (tree_rest_of_compilation): Do not apply inlines.
7966         * tree-flow.h (execute_fixup_cfg): Declare.
7967         * Makefile.in (gt-passes.c): New.
7968         * passes.c: Include gt-passes.h
7969         (init_optimization_passes): New passes.
7970         (nnodes, order): New static vars.
7971         (do_per_function_toporder): New function.
7972         (execute_one_pass): Dump current pass here.
7973         (execute_ipa_pass_list): Don't dump current pass here.
7974
7975 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7976
7977         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7978         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7979
7980 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7981
7982         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7983         (strong_alias): Define.
7984         (__gcc_qmul): Provide non-FMA for soft-float.
7985         (__gcc_qdiv): Same.
7986         (__gcc_qneg): New.
7987         (__gcc_qeq): New.
7988         (__gcc_qle): New.
7989         (__gcc_qge): New.
7990         (__gcc_qunord): New.
7991         (__gcc_stoq): New.
7992         (__gcc_dtoq): New.
7993         (__gcc_qtos): New.
7994         (__gcc_qtod): New.
7995         (__gcc_qtoi): New.
7996         (__gcc_qtou): New.
7997         (__gcc_itoq): New.
7998         (__gcc_utoq): New.
7999         (fmsub): New.
8000         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8001         soft-float functions.
8002         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8003         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8004         about long double soft float.
8005
8006 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8007             Tehila Meyzels  <tehila@il.ibm.com>
8008
8009         * tree-vectorizer.h (is_pattern_stmt_p): New.
8010         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8011         formatting (tabs instead of spaces). Cleanup and clarify setting
8012         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8013         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8014         (vectorizable_type_demotion): Check that types are integral.
8015         (vectorizable_type_promotion): Likewise.
8016         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8017         comments.
8018
8019 2007-01-16  Jan Hubicka  <jh@suse.cz>
8020
8021         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8022         cgraph edges too.
8023
8024 2007-01-15  Eric Christopher  <echristo@apple.com>
8025
8026         * ifcvt.c: Include vec.h, vecprim.h.
8027         (check_cond_move_block): New argument regs.
8028         Reorganize. Add registers used to regs.
8029         (cond_move_process_if_block): Use regs set above as
8030         loop bounds.
8031
8032 2007-01-15  Eric Christopher  <echristo@apple.com>
8033
8034         * config/darwin.h: Update copyright.
8035         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8036         (LINK_COMMAND_SPEC): Add -u.
8037         (LINK_SPEC): Fix umbrella for above.
8038
8039 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8040
8041         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8042         glibc CVS.
8043
8044 2007-01-15  Tom Tromey  <tromey@redhat.com>
8045
8046         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8047         * doc/install.texi (Testing): Don't mention jacks.
8048         (Configuration): Document --enable-java-maintainer-mode.  Move
8049         --with-java-home to libgcj-specific section.  Document
8050         --with-ecj-jar.
8051         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8052
8053 2007-01-15  Jan Hubicka  <jh@suse.cz>
8054
8055         * tree-ssa-dce.c (DCE_TODOs): New.
8056         (propagate_necessity): Return if something changed.
8057         (eliminate_unnecessary_stmts): Likewise.
8058         (perform_tree_ssa_dce): Return TODO flags when needed.
8059         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8060
8061 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8062
8063         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8064         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8065         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8066         patterns using X87MODEF12 mode macro.  Extend operand 1
8067         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8068         (log10<mode>2): Ditto.
8069         (log2<mode>2): Ditto.
8070         (log1p<mode>2): Ditto.
8071         (logb<mode>2): Ditto.
8072         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8073         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8074         (*fxtractxf3_i387): Rename from *fxtractxf3.
8075         (fxtract_extend<mode>xf3_i387): New insn pattern.
8076         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8077         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8078         and gen_fyl2xxf3_i387().
8079
8080 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8081
8082         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8083         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8084         get_loop_exit_edges.  Changed return type to bool.
8085         * cfgloop.h (fix_loop_placement): Declaration removed.
8086
8087 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8088
8089         * param.h (MIN_VECT_LOOP_BOUND): New.
8090         * params.def (MIN_VECT_LOOP_BOUND): New.
8091         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8092         argument - minimum threshold for number of iterations.
8093         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8094         argument to declaration.
8095         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8096         MIN_VECT_LOOP_BOUND.
8097         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8098         slpeel_tree_peel_loop_to_edge with additional argument.
8099         (vect_do_peeling_for_alignment): Likewise.
8100         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8101
8102 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8103
8104         PR target/30413
8105         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8106         operands of size 1.
8107
8108 2007-01-14  Jan Hubicka  <jh@suse.cz>
8109
8110         * tree-dfa.c (remove_referenced_var): New function.
8111         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8112         prune referenced vars list too.
8113         * tree-flow.h (remove_referenced_var): Declare.
8114
8115 2007-01-14  Jan Hubicka  <jh@suse.cz>
8116
8117         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8118         separately.
8119         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8120         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8121         * except.h (verify_eh_throw_table_statements): Kill prototype.
8122         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8123         into call exrepssions.
8124         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8125         eh trhow verifier.
8126         * tree-cfg.c: Include pointer-set.h.
8127         (verify_node_sharing): Work on pointer set.
8128         (verify_eh_throw_stmt_node): New.
8129         (verify_stmts): Use pointers sets, verify throw_stmt.
8130
8131 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8132
8133         * ipa-reference.c (analyze_function): Consider also addresses taken
8134         in phi nodes.
8135
8136 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8137
8138         * c-typeck.c (null_pointer_constant_p): Replace use of
8139         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8140         (build_c_cast): Likewise.
8141
8142 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8143
8144         * tree.h (force_fit_type_double): Remove unused final argument.
8145         * c-common.c (constant_expression_warning): Replace use of
8146         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8147         (convert_and_check): Likewise.
8148         (shorten_compare): Update call to force_fit_type_double.
8149         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8150         * convert.c (convert_to_pointer): Update call to
8151         force_fit_type_double.
8152         * fold-const.c (force_fit_type_double): Remove overflowed_const
8153         argument.
8154         (int_const_binop, fold_convert_const_int_from_int,
8155         fold_convert_const_int_from_real, fold_div_compare,
8156         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8157         fold_abs_const, fold_not_const): Remove the final argument from
8158         calls to force_fit_type_double.
8159
8160 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8161
8162         * configure.ac: Set insn to "nop" for spu-*-* also.
8163         * configure: Regenerate.
8164
8165 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8166
8167         * builtins.def : Add BUILT_IN_FREE.
8168
8169 2007-01-12  Jan Hubicka  <jh@suse.cz>
8170
8171         PR tree-optimization/30443
8172         * tree-inline.c (tree_function_versioning): Do not optimize when
8173         cloning for inlining.
8174
8175 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8176
8177         * doc/loop.texi: Document recording of loop exits.
8178         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8179         (update_single_exits_after_duplication,
8180         update_single_exit_for_duplicated_loop,
8181         update_single_exit_for_duplicated_loops): Removed.
8182         (duplicate_loop_to_header_edge): Do not call
8183         update_single_exits_after_duplication and
8184         update_single_exit_for_duplicated_loops.
8185         (loop_version): Do not update single_exit information.
8186         (fix_loop_structure): Use record_loop_exits instead of
8187         mark_single_exit_loops.
8188         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8189         the lists of loop exits.
8190         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8191         split_edge, merge_blocks): Update the lists of loop exits.
8192         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8193         loop_optimizer_init.
8194         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8195         of mark_single_exit_loops.
8196         (loop_optimizer_finalize): Call release_recorded_exits.
8197         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8198         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8199         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8200         update single exit information.
8201         * lambda-code.c (perfect_nestify): Ditto.
8202         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8203         (mark_single_exit_loops): Removed.
8204         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8205         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8206         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8207         functions.
8208         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8209         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8210         (verify_loop_structure): Verify consistency of the exit lists.
8211         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8212         (set_single_exit): Removed.
8213         * cfgloop.h (struct loop_exit): New function.
8214         (struct loop): single_exit_ field replaced by exits field.
8215         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8216         (struct loops): Added exits hash.
8217         (mark_single_exit_loops, set_single_exit): Declaration removed.
8218         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8219
8220 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8221
8222         * doc/invoke.texi: Avoid use of @headitem.
8223
8224 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8225
8226         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8227
8228 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8229
8230         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8231         list of targets.
8232
8233 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8234             Richard Sandiford  <richard@codesourcery.com>
8235
8236         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8237         * config/m68k/m68k.opt: Resort options.
8238         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8239
8240 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8241             Richard Sandiford  <richard@codesourcery.com>
8242
8243         * doc/invoke.texi: Document the macros that are defined by
8244         m68k's -mtune and -mhard-float options.
8245         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8246         (m68k_cpp_cpu_family): Likewise.
8247         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8248         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8249         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8250         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8251         (m68k_cpp_cpu_family): Likewise.
8252
8253 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8254
8255         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8256         macros besides mc68000 as tuning macros.  Use a switch statement
8257         to set them and mcpu32.
8258
8259 2007-01-12  Julian Brown  <julian@codesourcery.com>
8260
8261         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8262         (TARGET_68040_ONLY): Rename to...
8263         (TARGET_68040): ...this.
8264         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8265         * config/m68k/m68k.md: Likewise.
8266
8267 2007-01-12  Julian Brown  <julian@codesourcery.com>
8268             Nathan Sidwell  <nathan@codesourcery.com>
8269             Richard Sandiford  <richard@codesourcery.com>
8270
8271         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8272         the -mcpu= argument associated with the --with-cpu setting.
8273         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8274         if different from the one implied by the -mcpu setting.
8275         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8276         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8277         * doc/invoke.texi: Mention ColdFire in the introduction to the
8278         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8279         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8280         -mhard-float.  Document the previously-undocumented -m5206e,
8281         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8282         documentation for consistency.
8283         * doc/install.texi: Mention new --with-cpu arguments.
8284         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8285         default CPU if neither -mcpu nor -march are specified.
8286         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8287         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8288         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8289         using m68k_tune to decide between families that implement the
8290         same ISA.  Use m68k_tune to set __mcfv4e__.
8291         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8292         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8293         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8294         (FL_ISA_C, FL_ISA_MMU): New macros.
8295         (MASK_COLDFIRE): Delete.
8296         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8297         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8298         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8299         (TARGET_HARD_FLOAT): Do not define here.
8300         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8301         (TUNE_68000): New macro.
8302         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8303         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8304         (TUNE_CFV2): Redefine in terms of m68k_tune.
8305         (uarch_type, target_device, fpu_type): New enums.
8306         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8307         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8308         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8309         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8310         (FL_FOR_isa_c): New macros.
8311         (m68k_isa): New enum.
8312         (m68k_target_selection): New structure.
8313         (all_devices, all_isas, all_microarchs): New tables.
8314         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8315         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8316         (MASK_ALL_CPU_BITS): Delete.
8317         (m68k_find_selection): New function.
8318         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8319         Map the legacy target options to a combination of the new ones.
8320         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8321         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8322         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8323         settings.
8324         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8325         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8326         properties.
8327         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8328         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8329         * config/m68k/m68k-devices.def: New file.
8330
8331 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8332             Nathan Sidwell  <nathan@codesourcery.com>
8333
8334         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8335         (SUBTARGET_EXTRA_SPECS): New macros.
8336         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8337         use %(asm_cpu_spec) instead.
8338         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8339         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8340         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8341         (EXTRA_SPECS): Rename to...
8342         (SUBTARGET_EXTRA_SPECS): ...this.
8343
8344 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8345             Richard Sandiford  <richard@codesourcery.com>
8346             Julian Brown  <julian@codesourcery.com>
8347
8348         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8349         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8350         to the configuration's default CPU.
8351         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8352         Remove default masks.
8353         (m680[012]0-*-*): Set the default with_cpu to the first part of
8354         the target name.
8355         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8356         (m68k*-*-linux): Extend the --with-cpu handling to...
8357         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8358         and m68010.  Don't set target_cpu_default2.
8359         * doc/install.texi: Document --with-cpu for m68k.
8360         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8361         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8362         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8363         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8364         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8365         (ASM_SPEC): Remove use of %(asm_cpu_default).
8366         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8367         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8368         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8369         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8370         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8371         (TARGET_DEFAULT): Delete.
8372         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8373         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8374         (CPP_CPU_SPEC): Delete.
8375         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8376         the appropriate string.
8377         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8378         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8379         (ASM_SPEC): Don't use %(asm_default_spec).
8380         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8381         TARGET_DEFAULT and add MASK_68881.
8382         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8383
8384 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8385
8386         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8387         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8388         MASK_68010 alongside MASK_68020.
8389         * doc/invoke.texi: Document -m68010.
8390         * config/m68k/m68k.opt (m68010): New.
8391         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8392         if TUNE_68010.
8393         (TUNE_68010): New macro.
8394         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8395         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8396         (M68K_CPU_m68332): Add MASK_68010.
8397         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8398         fallback definition.
8399         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8400         defines.
8401         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8402         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8403         to all entries that use MASK_68020.
8404         (output_move_simode_const, output_move_himode, output_move_qimode)
8405         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8406         instead of TARGET_68020 to select clr behavior.  Remove comment
8407         about there being no TARGET_68010.
8408         * config/m68k/m68k.md: Likewise throughout.
8409
8410 2007-01-12  Julian Brown  <julian@codesourcery.com>
8411
8412         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8413         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8414         * config/m68k/m68k.md: Likewise.
8415
8416 2007-01-12  Julian Brown  <julian@codesourcery.com>
8417
8418         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8419         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8420
8421 2007-01-12  Julian Brown  <julian@codesourcery.com>
8422
8423         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8424         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8425         * config/m68k/m68k.md: Likewise.
8426
8427 2007-01-12  Julian Brown  <julian@codesourcery.com>
8428             Richard Sandiford  <richard@codesourcery.com>
8429
8430         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8431         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8432         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8433         TARGET_CPU32.
8434         (TARGET_CPU32): Rename to...
8435         (TUNE_CPU32): ...this.
8436         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8437         (TUNE_CFV2): New macros.
8438         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8439         remove conditions that are implied by TARGET_68020.
8440         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8441         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8442         (m68k_output_function_epilogue): Likewise.
8443         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8444         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8445         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8446         non-68000 timings.  Refactor multiplication and division costs.
8447         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8448         TUNE_CPU32 instead of TARGET_CPU32.
8449         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8450         and TUNE_68060 instead of TARGET_68060.
8451         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8452         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8453         TARGET_CPU32.
8454         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8455         && !TARGET_COLDFIRE" to choose between moveq and clr.
8456         Likewise in the unnamed movsf pattern.
8457         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8458         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8459         ashiftrt pattern.
8460
8461 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8462
8463         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8464         of tabbing before backslashes.
8465
8466 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8467
8468         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8469         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8470         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8471
8472 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8473
8474         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8475         find_interesting_uses_cond.
8476         (find_interesting_uses_cond): Use extract_cond_operands.
8477         (rewrite_use_compare): Use extract_cond_operands and
8478         force_gimple_operand_bsi.  Do not call update_stmt.
8479         (determine_use_iv_cost_condition): Use extract_cond_operands.
8480         Return cheaper of using original bound and changing the exit bound.
8481
8482 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8483
8484         PR tree-optimization/29516
8485         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8486         most_expensive_mult_to_index, addr_to_parts,
8487         create_mem_ref, maybe_fold_tmr): Make the type of
8488         fields of TARGET_MEM_REF sizetype.
8489         (move_fixed_address_to_symbol, move_pointer_to_base):
8490         New functions.
8491         * tree.def (TARGET_MEM_REF): Add comment on types of
8492         the operands.
8493
8494 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8495
8496         * c-common.c (vector_types_convertible_p): Treat opaque types as
8497         always convertible if they have the same size, but not otherwise.
8498
8499 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8500
8501         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8502         Remove the b_unconditional field.
8503         (noce_try_sign_mask): Do not look at b_unconditional.
8504         (noce_process_if_block): Do not use merge_if_blocks.  Update
8505         the CFG here.  Do not set b_unconditional.
8506         (cond_move_process_if_block): Likewise.
8507         (find_cond_trap): Likewise.
8508         (check_cond_move_block): Require simple jump insns at the end
8509         of the basic block.
8510
8511 2007-01-11  Jan Hubicka  <jh@suse.cz>
8512
8513         PR tree-optimization/1046
8514         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8515         when alias info is not ready.
8516         (pass_tail_recursion): Do not require aliasing.
8517         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8518         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8519         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8520         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8521         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8522         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8523         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8524         before inlining.
8525         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8526         When aliasing is not build, mark statement as volatile.
8527
8528 2007-01-11  Tom Tromey  <tromey@redhat.com>
8529
8530         PR preprocessor/15185, PR preprocessor/20989:
8531         * doc/cppopts.texi <-MT>: Update description of algorithm for
8532         computing default target.
8533         <-M, -MD>: Reword "basename" text.
8534
8535 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8536
8537         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8538         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8539         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8540         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8541         fold_builtin_bswap, real_constp, fold_builtin_pow,
8542         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8543         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8544         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8545         * convert.c (convert_to_pointer): Likewise.
8546         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8547         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8548         const_binop, fold_convert_const_int_from_int,
8549         fold_convert_const_int_from_real,
8550         fold_convert_const_real_from_real, sign_bit_p,
8551         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8552         fold_sign_changed_comparison, fold_unary, fold_comparison,
8553         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8554         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8555         * print-tree.c (print_node_brief, print_node): Likewise.
8556         * stor-layout.c (place_field, layout_type): Likewise.
8557         * tree-chrec.c (keep_cast): Likewise.
8558         * tree.c (build_vector, build_real, build_real_from_int_cst,
8559         build_complex): Likewise.
8560
8561 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8562
8563         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8564         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8565
8566 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8567
8568         * configure.ac (strict1_warn): Rename to strict_warn.
8569         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8570         cc_set_by_configure, quoted_cc_set_by_configure,
8571         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8572         all_boot_languages, all_stagestuff): Remove.
8573         (target_list): Remove bootstrap targets.
8574         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8575         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8576         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8577         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8578         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8579         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8580         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8581         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8582         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8583         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8584         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8585         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8586         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8587         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8588         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8589         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8590         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8591         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8592         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8593         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8594         (mostlyclean): Adjust.
8595         (clean, distclean): Don't mention bootstrap stuff.
8596         * configure: Regenerate.
8597         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8598         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8599         treelang/config-lang.in (stagestuff): Remove.
8600         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8601         stageprofile, stagefeedback, stagestuff): Remove mention.
8602
8603 2007-01-11  Nick Clifton  <nickc@redhat.com>
8604
8605         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8606         Accept CONSTs.
8607         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8608         (mcore_arith_K_S_operand): Run the test for the S constraint not
8609         the test for the M constraint.
8610         (mcore_addsub_operand): Do not accept integer values that are
8611         larger than 32 bits.
8612         * config/mcore/mcore.md: Remove unused constraints from split.
8613         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8614         (addsi3): Likewise.
8615         (allocate_stack): Likewise.
8616         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8617         operands to 32 bits.
8618         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8619         INTVAL.
8620         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8621         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8622         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8623         mcore_output_bclri, mcore_output_andn, output_inline_const,
8624         mcore_output_move, mcore_output_movedouble): Likewise.
8625         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8626         (output_inline_const): Likewise.
8627         (output_inline_const): Fix format strings used in sprintf
8628         statements.
8629         * config/mcore/mcore-protos.h: Update prototypes for changed
8630         functions in mcore.c.
8631         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8632         HOST_WIDE_INT and not int.
8633         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8634         CONST_OK_FOR_N): Likewise.
8635         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8636         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8637         an INTVAL.
8638
8639 2007-01-10  Jan Hubicka  <jh@suse.cz>
8640
8641         * tree-vrp.c (remove_range_assertions): Release defs.
8642         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8643         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8644
8645 2007-01-10  Paul Brook  <paul@codesourcery.com>
8646
8647         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8648         * config/arm/arm.md (mulsi3subsi): New insn.
8649
8650 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8651
8652         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8653         (tree_transform_and_unroll_loop): New.
8654         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8655         Declare.
8656
8657 2007-01-10  Robert Kennedy <jimbob@google.com>
8658
8659         * fold-const.c (fold_comparison): Fold comparisons like (x *
8660         1000 < 0) to (x < 0).
8661
8662 2007-01-10  Ian Lance Taylor  <iant@google.com>
8663
8664         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8665         operands have the same priority.
8666
8667 2007-01-10  Tom Tromey  <tromey@redhat.com>
8668
8669         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8670         (fold_binary): Likewise.
8671         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8672         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8673         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8674         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8675         * langhooks.h (struct lang_hooks): Removed field
8676         'can_use_bit_fields_p'.
8677
8678 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8679
8680         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8681
8682 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8683
8684         * function.c (get_last_funcdef_no): New function.
8685         * function.h (get_last_funcdef_no): Declare.
8686         * tree-inline.c (initialize_cfun): Add initialization.
8687         (tree_function_versioning): Cleanup.
8688
8689 2007-01-10  Jan Hubicka  <jh@suse.cz>
8690
8691         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8692         PHIs.
8693
8694 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8695             Ben Elliston  <bje@au.ibm.com>
8696
8697         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8698         for SAVE_NONLOCAL and Pmode for any other save level.
8699         * spu-protos.h (spu_restore_stack_block): Declare.
8700         * spu.md (save_stack_block): Remove.
8701         (restore_stack_block): Call spu_restore_stack_block.
8702         * spu.c (spu_restore_stack_block): New function.
8703         (spu_expand_epilogue): Remove old comment.
8704
8705 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8706
8707         PR tree-optimization/30322
8708         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8709         (cand_value_at): Return the value as aff_tree.
8710         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8711         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8712         aff_combination_mult): New functions.
8713         (aff_combination_add): Use aff_combination_add_cst.
8714         (aff_combination_convert): Allow conversions to a wider type.
8715         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8716         * tree-affine.h (aff_combination_mult): Declare.
8717
8718 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8719
8720         * doc/tm.texi: Update documentation to reflect reality of exec
8721         and start file search behaviours. Update copyright year.
8722         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8723         header file directories.
8724
8725 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8726
8727         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8728         (*cosxf2): Rename to cosxf2_i387.
8729         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8730         using X87MODEF12 mode macro. Rename patterns to
8731         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8732         for SSE math.
8733         (*cosdf2, *cossf2): Ditto.
8734         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8735         to match extended input operands.
8736         (sincos<mode>3): New expander.
8737         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8738         insn patterns and corresponding splitters.
8739
8740 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8741
8742         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8743         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8744
8745 2007-01-09  Nicolas Pitre  <nico@cam.org>
8746
8747         PR target/30173
8748         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8749
8750 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8751
8752         * target.h (struct gcc_target): New field library_rtti_comdat.
8753         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8754         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8755         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8756         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8757
8758 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8759
8760         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8761
8762 2007-01-08  Richard Guenther  <rguenther@suse.de>
8763
8764         * tree.h (force_fit_type_double): Export.
8765         (force_fit_type): Remove.
8766         * fold-const.c (force_fit_type_double): New function.
8767         (force_fit_type): Remove.
8768         (int_const_binop): Use it.
8769         (fold_convert_const_int_from_int): Likewise.
8770         (fold_convert_const_int_from_real): Likewise.
8771         (fold_div_compare): Likewise.
8772         (fold_sign_changed_comparison): Likewise.
8773         (fold_unary): Likewise.
8774         (fold_negate_const): Likewise.
8775         (fold_abs_const): Likewise.
8776         (fold_not_const): Likewise.
8777         * c-common.c (shorten_compare): Use force_fit_type_double.
8778         * convert.c (convert_to_pointer): Likewise.
8779
8780 2007-01-08  Richard Guenther  <rguenther@suse.de>
8781
8782         * tree.h (build_int_cst_wide_type): Export.
8783         * tree.c (build_int_cst_wide_type): New function.
8784         (build_int_cst_wide): Fix comment.
8785         * builtins.c (fold_builtin_object_size): Use build_int_cst
8786         to build -1 or 0 of the correct type.  Use fit_double_type
8787         to check for overflow.
8788         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8789         to build the mask.
8790         (decode_field_reference): Likewise.
8791         (all_ones_mask_p): Likewise.
8792         (native_interpret_int): Use build_int_cst_wide_type.
8793         (fold_binary): Use build_int_cst_type to build an all-ones
8794         value.
8795         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8796
8797 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8798
8799         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8800
8801 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8802
8803         * genautomata.c (STATS_OPTION): New option.
8804         (stats_flag): New flag.
8805         (gen_automata_option): Handle it.
8806         (initiate_automaton_gen): Ditto.
8807         (write_automata): Output statistics only if stats_flag is
8808         set. Likewise, output time statistics only if time_flag is set.
8809         * doc/md.texi (Processor pipeline description): Document new flag.
8810
8811 2007-01-08  Richard Guenther  <rguenther@suse.de>
8812
8813         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8814         * tree.c (build_int_cst_type): Likewise.
8815         (size_in_bytes): Don't call force_fit_type on the result.
8816         (int_fits_type_p): Use fit_double_type.
8817         * fold-const.c (fit_double_type): New function.
8818         (force_fit_type): Use it.
8819         * tree.h (fit_double_type): Export.
8820
8821 2007-01-08  Jan Hubicka  <jh@suse.cz>
8822
8823         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8824         * ipa.c (function_and_variable_visibility): Fix return type.
8825
8826 2007-01-08  Richard Guenther  <rguenther@suse.de>
8827
8828         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8829         of offset to build the index.
8830         * tree-pretty-print.c (dump_generic_node): Don't build negated
8831         const just for printing.
8832         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8833         * builtins.c (fold_builtin_int_roundingfn): Check if result
8834         fits the type by using force_fit_type and comparing the result.
8835         * predict.c (predict_loops): Use compare_tree_int for comparison.
8836         * tree.c (build_int_cst): Fall back to integer_type_node for
8837         NULL_TREE type.
8838         (build_int_cst_wide): Assert type is non-null.
8839
8840 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8841
8842         * tree-vrp.c (extract_range_from_cond_expr): New.
8843         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8844         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8845         as expressions.
8846         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8847         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8848         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8849         used as expressions.
8850         * tree-object-size.c (cond_expr_object_size): New.
8851         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8852
8853 2007-01-08  Jan Hubicka  <jh@suse.cz>
8854
8855         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8856         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8857         statement.
8858
8859 2007-01-08  Richard Guenther  <rguenther@suse.de>
8860
8861         PR tree-optimization/23603
8862         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8863         (extract_range_from_binary): Fall back to truthvalue instead of
8864         varying for TRUTH_*_EXPR.
8865         (extract_range_from_comparison): Fall back to truthvalue instead of
8866         varying.
8867         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8868         if all visited PHI values were constant.
8869
8870 2007-01-08  Jan Hubicka  <jh@suse.cz>
8871
8872         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8873         (cgraph_analyze_function): break out from ...
8874         (cgraph_finalize_compilation_unit): ... here.
8875         (cgraph_expand_function): Remove forgoten commented out line.
8876         (cgraph_optimize): Analyze functions.
8877
8878 2007-01-08  Jan Hubicka  <jh@suse.cz>
8879
8880         * tree-pas.h (TODO_remove_function): New flag.
8881         (TODO_update*): Renumber.
8882         (pass_ipa_increase_alignment,
8883         pass_ipa_function_and_variable_visibility): New passes.
8884         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8885         (cgraph_function_and_variable_visibility): Move to ipa.c
8886         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8887         cgraph_increase_alignment.
8888         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8889         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8890         calling tree-inline.
8891         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8892         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8893         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8894         (gate_increase_alignment): New function.
8895         (pass_ipa_increase_alignment): New pass.
8896         * ipa.c: Inline tree-pass.h and timevar.h
8897         (function_and_variable_visibility): Move here from cgraphunit.c
8898         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8899         * passes.c (init_optimization_passes): Add the two new passes.
8900         (execute_todo): Handle cgraph_remove_functions.
8901
8902 2007-01-08  Nick Clifton  <nickc@redhat.com>
8903
8904         * config/frv/predicates.md (reg_or_0_operand): Accept
8905         CONST_DOUBLEs.
8906
8907 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8908
8909         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8910         * config.gcc: Add bfin*-rtems*.
8911
8912 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8913
8914         * c.opt: Add -flax-vector-conversions.
8915         * c-typeck.c (convert_for_assignment): Pass flag to
8916         vector_types_convertible_p to allow emission of note.
8917         (digest_init): Likewise.
8918         * c-opts.c: Handle -flax-vector-conversions.
8919         * c-common.c (flag_lax_vector_conversions): New.
8920         (vector_types_convertible_p): Unless -flax-vector conversions
8921         has been passed, disallow conversions between vectors with
8922         differing numbers of subparts and/or element types.  If such
8923         a conversion is disallowed, possibly emit a note on the first
8924         occasion only to inform the user of -flax-vector-conversions.
8925         The new last argument specifies this.
8926         * c-common.h (flag_lax_vector_conversions): New.
8927         (vector_types_convertible_p): Add extra argument.
8928         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8929         char_type_node for V*QI type vectors.
8930         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8931         Update to satisfy new typechecking rules.
8932         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8933         C and C++ variants.
8934         * doc/invoke.texi (C Dialect Options): Document
8935         -flax-vector-conversions.
8936
8937 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8938
8939         PR tree-optimization/29877
8940         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8941         a register variable on the RHS to not be replaceable.
8942
8943 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8944         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8945         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8946         const_simm15, const_pow2, const_npow2): Added.
8947         * config/score/misc.md (insv, extv, extzv, movmemsi,
8948         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8949         * config/score/score.c (score_address_cost, score_select_cc_mode):
8950         Added.
8951         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8952         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8953         Update score_print_operand.
8954         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8955         Adjust register allocate order and update some macro define.
8956         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8957         mdx_block_move_straight, mdx_block_move_loop_head,
8958         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8959         mdx_block_move): Added.
8960         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8961         mdp_limm): Updated and fix some bug and typo.
8962         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8963         (movsf, movdf, doloop_end): Added.
8964
8965 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8966
8967         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8968         config/arm/thumb2.md: Fix comment typos.
8969         * doc/extend.texi: Fix a typo.
8970
8971 2007-01-07  Eric Christopher  <echristo@apple.com>
8972
8973         * configure.ac: Check for __stack_chk_fail for darwin.
8974         * configure: Regenerate.
8975
8976 2007-01-07  Richard Guenther  <rguenther@suse.de>
8977
8978         * tree-vrp.c (extract_range_from_assert): CSE calls to
8979         compare_values where possible.
8980         (extract_range_from_unary_expr): Likewise.
8981
8982 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8983
8984         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8985         * config/avr/avr.c (call_insn_operand): Delete function.
8986         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8987         instead of register number. Use predicates.
8988         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8989         call_insn_operand): Add.
8990
8991 2007-01-06  Jan Hubicka  <jh@suse.cz>
8992
8993         * tree-pass.h (pass_build_cgraph_edges): Declare.
8994         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8995         (visited_nodes): Remove.
8996         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8997         build_cgrpah_edges; make visited_nodes local.
8998         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8999         (record_references_in_initializer): Move to cgraphbuild.c
9000         (initialize_inline_failed, rebuild_cgraph_edges,
9001         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9002         (verify_cgraph_node): Make visited_nodes local.
9003         (cgraph_analyze_function): Do not call cgraph_create_edges and
9004         initialize_inline_failed.
9005         (cgraph_expand_function): Do not call cgraph_lower_function;
9006         assert that function is already lowered.
9007         * Makefile.in (cgraphbuild.o): New.
9008         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9009         at the end of lowering passes.
9010
9011 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9012
9013         * ifcvt.c (cond_move_convert_if_block): New function, code
9014         factored out from...
9015         (cond_move_process_if_block): ...here.  Call the new function
9016         on the THEN and ELSE blocks.
9017         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9018         already takes care of this.
9019
9020 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9021
9022         PR c/19978
9023         * tree.h (TREE_OVERFLOW_P): New.
9024         * c-typeck.c (parser_build_unary_op): Warn only if result
9025         overflowed and operands did not.
9026         (parser_build_binary_op): Likewise.
9027         (convert_for_assignment): Remove redundant overflow_warning.
9028         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9029
9030 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9031
9032         * c-typeck.c (store_init_value): Split over two lines to follow
9033         the GNU coding style.
9034
9035 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9036
9037         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9038         __GXX_EXPERIMENTAL_CXX0X__.
9039         * doc/cpp.texi: Same.
9040
9041 2007-01-05  Richard Guenther  <rguenther@suse.de>
9042
9043         PR middle-end/27826
9044         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9045         with mismatched types.  Instead explicitly build a
9046         conversion NOP_EXPR.
9047
9048 2007-01-05  Ian Lance Taylor  <iant@google.com>
9049
9050         * c-common.c (decl_with_nonnull_addr_p): New function.
9051         (c_common_truthvalue_conversion): Call it.
9052         * c-typeck.c (build_binary_op): Likewise.
9053         * c-common.h (decl_with_nonnull_addr_p): Declare.
9054
9055 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9056
9057         PR c/30360
9058         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9059         denom against 0.0.
9060
9061 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9062
9063         * doc/install.texi (Final install): Document the fact that
9064         the GNAT runtime should not be stripped.
9065
9066 2007-01-04  Jan Hubicka  <jh@suse.cz>
9067
9068         * tree-inline.c (fold_marked_statements): Update operand caches
9069         and EH after folding
9070
9071 2007-01-04  Ian Lance Taylor  <iant@google.com>
9072
9073         * c-common.c (check_function_nonnull): Whitespace fix.
9074
9075 2007-01-04  Jan Hubicka  <jh@suse.cz>
9076
9077         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9078         comitted older version of patch.
9079         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9080         function, celanup cfg and collect garbage.
9081
9082 2007-01-04  Mike Stump  <mrs@apple.com>
9083
9084         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9085         (clean): Likewise.
9086
9087 2007-01-04  Eric Christopher  <echristo@apple.com>
9088
9089         * libgcc2.c (__bswapsi2): Use SItype.
9090         (__bswapdi2): Use DItype.
9091         * libgcc2.h: Update for above.
9092
9093 2007-01-04  Paul Brook  <paul@codesourcery.com>
9094
9095         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9096         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9097         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9098         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9099         umulsi3_highpart): Make conditional on !arm_arch6.
9100         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9101         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9102         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9103         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9104         umulsi3_highpart_v6): New insns.
9105
9106 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9107
9108         * fold-const.c (fold_convert): When casting an expression to void,
9109         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9110         have a type.  Instead of attempting to build a NOP_EXPR, return
9111         these "special" trees directly.
9112
9113 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9114
9115         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9116         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9117         rs6000_cost->fp not 0 as adjustment for outer NEG.
9118
9119 2007-01-04  Jan Hubicka  <jh@suse.cz>
9120
9121         * cgraph.c (cgraph_release_function_body): New function.
9122         (cgraph_remove_node): Use it.
9123         * cgraph.h (cgraph_release_function_body): Declare.
9124         * cgraphunit.c (cgraph_expand_function): Use it.
9125         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9126         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9127         is initialized and while compilation of other function is running.
9128         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9129         statement CFG annotations from here to ...
9130         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9131
9132 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9133
9134         * cfgloop.h (enum li_flags): Make the constants powers of two.
9135
9136 2007-01-04  Jan Hubicka  <jh@suse.cz>
9137
9138         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9139         set.
9140         (fold_marked_statements): New function.
9141         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9142         * tree-inline.h (copy_body_data): Add statements_to_fold.
9143
9144 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9145
9146         * config.gcc: Mention libgcc/config.host.
9147         * Makefile.in: Update comments mentioning libgcc.
9148         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9149         (all.cross, start.encap, rest.encap, rest.cross): Update
9150         dependencies for libgcc move.
9151         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9152         (clean-target, clean-target-libgcc): Delete.
9153         (srcdirify, GCC_EXTRA_PARTS): New macros.
9154         (libgcc-support, libgcc.mvars): New rules.
9155         (distclean): Remove mention of mklibgcc.
9156         (install): Don't reference INSTALL_LIBGCC.
9157         (install-common): Don't reference EXTRA_PARTS.
9158         (install-libgcc, install-multilib): Delete rules.
9159         * mklibgcc.in: Delete file.
9160         * doc/configfiles.texi: Don't mention mklibgcc.
9161
9162         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9163         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9164         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9165         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9166         (mklibgcc, ldblspecs): Likewise.
9167
9168         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9169         (posixpre.def): Use $(T).
9170         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9171         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9172         (SHLIB_LINK): Make dummy.
9173         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9174
9175         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9176
9177         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9178         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9179         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9180         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9181
9182         * configure.ac (all_outputs): Remove mklibgcc.
9183         * configure: Regenerated.
9184
9185 2007-01-03  Josh Conner  <jconner@apple.com>
9186
9187         PR middle-end/29683
9188         * calls.c (compute_argument_addresses): Set stack and stack_slot
9189         for partial args, too.
9190         (store_one_arg): Use locate.size.constant for the size when
9191         generating a save_area.
9192
9193 2007-01-03  Robert Kennedy <jimbob@google.com>
9194
9195         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9196         whose definitions are deleted due to basic block merging.
9197
9198 2007-01-03  Paul Brook  <paul@codesourcery.com>
9199
9200         PR target/16634
9201         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9202         functions.
9203         (use_return_insn): Return 0 for Thumb interrupt functions.
9204         (print_multi_reg): Add rfe argument for IRQ returns.
9205         (arm_output_epilogue): Pop interrupt return address directly into PC.
9206         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9207
9208 2007-01-03  Paul Brook  <paul@codesourcery.com>
9209
9210         Merge from sourcerygxx-4_1.
9211         * config/arm/thumb2.md: New file.
9212         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9213         Thumb-2.
9214         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9215         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9216         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9217         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9218         tables.
9219         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9220         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9221         comptibility.
9222         * config/arm/ieee754-sf.S: Ditto.
9223         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9224         (thumb1_base_register_rtx_p): ... to this.
9225         (thumb_index_register_rtx_p): Rename...
9226         (thumb1_index_register_rtx_p): ... to this.
9227         (thumb_output_function_prologue): Rename...
9228         (thumb1_output_function_prologue): ... to this.
9229         (thumb_legitimate_address_p): Rename...
9230         (thumb1_legitimate_address_p): ... to this.
9231         (thumb_rtx_costs): Rename...
9232         (thumb1_rtx_costs): ... to this.
9233         (thumb_compute_save_reg_mask): Rename...
9234         (thumb1_compute_save_reg_mask): ... to this.
9235         (thumb_final_prescan_insn): Rename...
9236         (thumb1_final_prescan_insn): ... to this.
9237         (thumb_expand_epilogue): Rename...
9238         (thumb1_expand_epilogue): ... to this.
9239         (arm_unwind_emit_stm): Rename...
9240         (arm_unwind_emit_sequence): ... to this.
9241         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9242         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9243         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9244         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9245         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9246         thumb2_output_casesi): New functions.
9247         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9248         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9249         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9250         THUMB2_WORK_REGS): Define.
9251         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9252         arm_condexec_mask, arm_condexec_masklen)): New variables.
9253         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9254         (arm_override_options): Check new CPU capabilities.
9255         Set new architecture flag variables.
9256         (arm_isr_value): Handle v7m interrupt functions.
9257         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9258         Thumb-2.
9259         (const_ok_for_arm): Handle Thumb-2 constants.
9260         (arm_gen_constant): Ditto.  Use movw when available.
9261         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9262         functions.
9263         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9264         (thumb_find_work_register, arm_load_pic_register,
9265         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9266         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9267         print_multi_reg, output_mov_long_double_fpa_from_arm,
9268         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9269         output_mov_double_fpa_from_arm, output_move_double,
9270         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9271         output_return_instruction, arm_output_function_prologue,
9272         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9273         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9274         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9275         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9276         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9277         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9278         '!' and 'L'.
9279         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9280         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9281         (arm_file_start): Output directive for unified syntax.
9282         (arm_unwind_emit_set): Handle stack alignment instruction.
9283         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9284         Add v6t2, v7, v7a, v7r and v7m.
9285         (RETLDM): Add Thumb-2 code.
9286         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9287         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9288         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9289         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9290         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9291         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9292         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9293         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9294         ADJUST_INSN_LENGTH): Define.
9295         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9296         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9297         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9298         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9299         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9300         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9301         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9302         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9303         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9304         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9305         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9306         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9307         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9308         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9309         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9310         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9311         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9312         cortex-m3.
9313         * config/arm/arm-tune.md: Regenerate.
9314         * config/arm/arm-protos.h: Update prototypes.
9315         * config/arm/vfp.md: Enable patterns for Thumb-2.
9316         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9317         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9318         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9319         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9320         * config/arm/libunwind.S: Add Thumb-2 code.
9321         * config/arm/constraints.md: Update include Thumb-2.
9322         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9323         * config/arm/ieee754-df.S: Ditto.
9324         * config/arm/bpabi.S: Ditto.
9325         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9326         * config/arm/predicates.md (low_register_operand,
9327         low_reg_or_int_operand, thumb_16bit_operator): New.
9328         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9329         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9330         * config/arm/t-arm-elf: Add armv7 multilib.
9331         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9332         Include thumb2.md.
9333         (UNSPEC_STACK_ALIGN, ce_count): New.
9334         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9335         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9336         insns/expanders.
9337         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9338         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9339         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9340         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9341         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9342         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9343         insns.
9344         * doc/extend.texi: Document ARMv7-M interrupt functions.
9345         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9346
9347 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9348
9349         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9350         (struct _Unwind_Context): Rename args_size to flags, remove
9351         signal_frame field, add a new args_size field and version field.
9352         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9353         _Unwind_IsExtendedContext): New inline functions.
9354         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9355         Assume by_value array is only present if _Unwind_IsExtendedContext.
9356         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9357         _Unwind_IsSignalFrame.
9358         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9359         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9360         (uw_init_context_1): Initialize context->flags to
9361         EXTENDED_CONTEXT_BIT.
9362         * config/rs6000/linux-unwind.h (frob_update_context): Use
9363         _Unwind_SetSignalFrame.
9364
9365 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9366
9367         PR middle-end/30353
9368         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9369         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9370         the value.
9371
9372 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9373
9374         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9375         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9376         RET, AT_SP): Remove.
9377         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9378         instead of RET.
9379
9380         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9381         * cfgbuild.c (find_basic_blocks): Likewise.
9382         * cfgrtl.c (rtl_create_basic_block): Likewise.
9383         * function.c (temp_slots_at_level): Likewise.
9384         * reg-stack.c (stack_regs_mentioned): Likewise.
9385         * regclass.c (allocate_reg_info): Likewise.
9386         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9387         set_bb_for_stmt, move_block_to_fn): Likewise.
9388         * tree-complex.c (tree_lower_complex): Likewise.
9389         * vec.h (VEC_safe_grow_cleared): New.
9390
9391         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9392
9393 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9394
9395         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9396         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9397         to loop_version.
9398         * cfgloopmanip.c (scale_loop_frequencies): Export.
9399         (loopify): Scale the frequencies by prescribed coefficients.
9400         (set_zero_probability): New function.
9401         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9402         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9403         and frequencies according to arguments.
9404         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9405         correctly.
9406         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9407         * modulo-sched.c (sms_schedule): Set probabilities for entering
9408         versioned loop correctly.
9409         * tree-vect-transform.c (vect_transform_loop): Ditto.
9410         * cfgloop.h (loopify, loop_version): Declaration changed.
9411         (scale_loop_frequencies): Declared.
9412
9413 2007-01-02  Jan Hubicka  <jh@suse.cz>
9414
9415         * cgraph.c: Include tree-flow.h
9416         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9417         early_local_passes.
9418         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9419         * tree-pass.h (pass_all_early_optimizations): Declare.
9420         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9421         early_local_passes.
9422         (cgraph_analyze_function): Do early_local_passes.
9423         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9424         Do not add referenced vars.
9425         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9426         SSA form.
9427         (gate_all_early_local_passes): New gate.
9428         (pass_early_local_passes): Use new gate.
9429         (execute_early_local_optimizations): New functions.
9430         (gate_all_early_optimizations): New gate.
9431         (pass_all_early_optimizations): New pass.
9432         (execute_free_datastructures): Free SSA only when initialized.
9433         (gate_init_datastructures): Init only when optimizing.
9434         (tree_lowering_passes): Do early local passes when called late.
9435         * tree-profile.c (do_tree_profiling): Don't profile functions added
9436         late.
9437         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9438         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9439         not active.
9440         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9441         during early_local_passes.
9442         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9443
9444
9445 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9446
9447         * Makefile.in: Update copyright year.
9448
9449 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9450
9451         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9452         in $(lang_checks) and check-consistency targets.
9453
9454 2007-01-02  Jan Hubicka  <jh@suse.cz>
9455
9456         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9457         Do not add referenced vars.
9458         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9459         are not active.
9460         * passes.c (init_optimization_passes): Put mudflap_2 after
9461         free_datastructures.
9462
9463 2007-01-02  Jan Hubicka  <jh@suse.cz>
9464
9465         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9466         Set NOTHROW flag on call statements proved to be nothrow.
9467         Update statement of local calls so new pure/const functions are
9468         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9469         goto receivers.
9470         (tree_rest_of_compilation): Register hooks and initialize bitmap
9471         early. Do not set after_inlining flag.
9472
9473 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9474
9475         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9476         HOST_BITS_PER_LONGLONG
9477
9478 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9479
9480         PR c/19977
9481         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9482         warning for non-static initializers.
9483
9484 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9485
9486         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9487         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9488         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9489         Always use set_unique_reg_note to add REG_EQUAL notes.
9490
9491 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9492
9493         Revert:
9494         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9495
9496         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9497         * cfgbuild.c (find_basic_blocks): Likewise.
9498         * cfgrtl.c (rtl_create_basic_block): Likewise.
9499         * function.c (temp_slots_at_level): Likewise.
9500         * reg-stack.c (stack_regs_mentioned): Likewise.
9501         * regclass.c (allocate_reg_info): Likewise.
9502         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9503         set_bb_for_stmt, move_block_to_fn): Likewise.
9504         * tree-complex.c (tree_lower_complex): Likewise.
9505         * vec.h (VEC_safe_grow_cleared): New.
9506
9507 2007-01-02  Ian Lance Taylor  <iant@google.com>
9508
9509         * c-common.c (c_common_truthvalue_conversion): When warning about
9510         using an assignment as a truth value, set TREE_NO_WARNING.
9511
9512 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9513
9514         PR middle-end/7651
9515         * c.opt (Wold-style-declaration): New.
9516         * doc/invoke.texi (C-only Warning Options): New.
9517         (Wold-style-declaration): Document it.
9518         (Wextra): Enabled by -Wextra.
9519         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9520         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9521         -Wold-style-declaration.
9522
9523 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9524
9525         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9526         * cfgbuild.c (find_basic_blocks): Likewise.
9527         * cfgrtl.c (rtl_create_basic_block): Likewise.
9528         * function.c (temp_slots_at_level): Likewise.
9529         * reg-stack.c (stack_regs_mentioned): Likewise.
9530         * regclass.c (allocate_reg_info): Likewise.
9531         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9532         set_bb_for_stmt, move_block_to_fn): Likewise.
9533         * tree-complex.c (tree_lower_complex): Likewise.
9534         * vec.h (VEC_safe_grow_cleared): New.
9535
9536 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9537
9538         * c-common.c (c_common_nodes_and_builtins): Since variants of
9539         void_type_node get built before it is given a name, we need to
9540         give those variants the name, too.
9541         (complete_array_type): We need to work with the canonical main
9542         type of the array, from which we will build the qualified version.
9543         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9544         * print-tree.c (print_node): Display canonical type information
9545         for each type.
9546         * stor-layout.c (layout_type): When we don't know the
9547         alignment of a type for which we're building an array, we end up
9548         guessing wrong, so make the type require structural equality.
9549         * tree.c (make_node_stat): When we build a new type, it is its
9550         own canonical type.
9551         (build_type_attribute_qual_variant): When building an attribute
9552         variant, its canonical type is the non-attribute variant. However,
9553         if the attributes are target-dependent and they differ, we need to
9554         use structural equality checks for this type.
9555         (build_qualified_type): A qualified type is not equivalent to its
9556         unqualified variant; set the canonical type appropriately.
9557         (build_distinct_type_copy): When building a distinct type from
9558         another type, the new type is its own canonical type.
9559         (build_variant_type_copy): When building a new type variant, we
9560         assume that it is equivalent to the original type.
9561         (build_pointer_type_for_mode): When building a pointer type, also
9562         build a canonical type pointer.
9563         (build_reference_type_for_mode): When building a reference type,
9564         also build a canonical type reference.
9565         (build_index_type): When we can't hash an index type (e.g.,
9566         because its maximum value is negative), the index type requires
9567         structural equality tests.
9568         (build_array_type): Build the canonical form of an array type.
9569         (build_function_type): Function types require structural equality,
9570         because they contain default arguments, attributes, etc.
9571         (build_method_type_directly): Ditto for method types.
9572         (build_offset_type): Build the canonical offset type.
9573         (build_complex_type): Build the canonical vector type.
9574         (make_vector_type): Build the canonical vector type.
9575         * tree.h (TYPE_CANONICAL): New.
9576         (TYPE_STRUCTURAL_EQUALITY_P): New.
9577         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9578         (struct tree_type): Added "canonical" field.
9579         * params.h (VERIFY_CANONICAL_TYPES): New.
9580         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9581         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9582         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9583         * doc/invoke.texi (verify-canonical-types): Document --param
9584         parameter for verifying canonical types.
9585
9586 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9587
9588         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9589         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9590         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9591         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9592         tm_file.
9593         * config/rs6000/e500.h: New.
9594         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9595         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9596         Remove.
9597         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9598         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9599         TARGET_E500_DOUBLE): Remove.
9600         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9601         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9602         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9603         * config/rs6000/rs6000.c (rs6000_override_options): Use
9604         CHECK_E500_OPTIONS.
9605
9606 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9607
9608         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9609         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9610         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9611         rs6000_emit_cmove): Don't check TARGET_E500.
9612         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9613         sordered): Don't check TARGET_E500.
9614
9615 2007-01-01  Eric Christopher  <echristo@apple.com>
9616
9617         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9618         HARD_REGISTER_NUM_P.
9619
9620 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9621
9622         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9623         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9624         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9625         eq/ne Y".
9626
9627 2007-01-01  Mike Stump  <mrs@apple.com>
9628
9629         * configure.ac: Remove support for building with Apple's gcc-3.1.
9630
9631 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9632
9633         PR middle-end/30311
9634         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9635         REG is a hard register.  Do not modify REG before calling
9636         subreg_nregs.
9637         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9638         multiple of the size of YMODE for certain lowpart cases.
9639
9640 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9641
9642         PR middle-end/30253
9643         * gimplify (voidify_wrapper_expr): Update for
9644         GIMPLE_MODIFY_STMT.
9645
9646 2007-01-01  Andreas Schwab  <schwab@suse.de>
9647
9648         PR target/29166
9649         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9650         save of BR0 in extra_spill_size instead of spill_size.
9651         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9652         area.
9653         (ia64_expand_epilogue): Restore BR0 from its new location.
9654
9655 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9656
9657         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9658         Use a temporary variable if the left hand side is not a gimple
9659         register.
9660
9661 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9662
9663         * gimplify.c (gimplify_return_expr): Make the temporary variable
9664         for the return expression, a gimple register variable.
9665
9666 2007-01-01  Jan Hubicka  <jh@suse.cz>
9667
9668         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9669         INSN_LIST.
9670
9671 2007-01-01  Mike Stump  <mrs@apple.com>
9672
9673         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9674         .literal16.
9675         * config/darwin.c (machopic_select_rtx_section): Use
9676         HAVE_GAS_LITERAL16.
9677         (darwin_mergeable_constant_section): Likewise.
9678         * configure: Regenerate.
9679         * config.in: Regenerate.
9680
9681 2007-01-01  Jan Hubicka  <jh@suse.cz>
9682             Andrew Pinski  <pinskia@gmail.com>
9683
9684         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9685         before starting IPA passes.