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PR tree-optimization/31383
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2
3         PR tree-optimization/31383
4         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
5         to have the same length.
6
7 2007-03-30  Jan Hubicka  <jh@suse.cz>
8
9         PR middle-end/PR30700
10         * dwarf2out.c (reference_to_unused): Ask cgraph for functions 
11         availablility; add more sanity checking; ask varpool only about
12         VAR_DECL.
13
14 2007-03-29  Richard Henderson  <rth@redhat.com>
15
16         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
17         to decide, but __SIZEOF_LONG_LONG__.
18
19 2007-03-29  Richard Henderson  <rth@redhat.com>
20
21         * emutls.c (struct __emutls_array): New.
22         (emutls_destroy): Use it instead of casting element 0 from void*.
23         (__emutls_get_address): Likewise.
24
25 2007-03-29  Richard Henderson  <rth@redhat.com>
26
27         * varasm.c (initializer_constant_valid_p): Don't deny
28         DECL_DLLIMPORT_P on functions.
29
30         * config/i386/cygming.h: Remove function declarations.
31         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
32         (ASM_OUTPUT_LABELREF): Remove.
33         (COMMON_ASM_OP): Remove.
34         (ASM_OUTPUT_COMMON): Remove.
35         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
36         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
37         (ASM_DECLARE_FUNCTION_NAME): Likewise.
38         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
39         Rename from TARGET_ENCODE_SECTION_INFO.
40         * config/i386/netware.h: Likewise.
41         * config/i386/i386-protos.h: Update.
42         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
43         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
44         (legitimate_constant_p): Reject dllimports.
45         (dllimport_map, get_dllimport_decl): New.
46         (legitimize_dllimport_symbol): New.
47         (legitimize_address, ix86_expand_move): Use it.
48         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
49         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
50         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
51         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
52         * config/i386/predicates.md (constant_call_address_operand): Only
53         accept symbols; reject dllimport_p symbols.
54         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
55         i386_pe_maybe_record_exported_symbol.
56         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
57         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
58         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
59         trust the setting of DECL_DLLIMPORT_P.
60         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
61         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
62         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
63         tidy the argument scanning loop.
64         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
65         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
66         (i386_pe_strip_name_encoding): Remove.
67         (i386_pe_binds_local_p): New.
68         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
69         (i386_pe_output_labelref): Remove.
70         (i386_pe_asm_output_aligned_decl_common): New.
71         (i386_pe_maybe_record_exported_symbol): Rename from
72         i386_pe_record_exported_symbol; check for dllexported symbols.
73
74 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
75
76         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
77         add comment explaining why vsnprintf cannot be used.
78
79 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
80
81         PR tree-optimization/30666
82         * tree.c (build_complex_type): When creating type names for DWARF2
83         debug info, create TYPE_DECLs for TYPE_NAME instead of
84         IDENTIFIER_NODEs.
85         (build_common_tree_nodes_2): Use build_complex_type when building
86         predefined complex types, to preserve canonical types.
87
88 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
89
90         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
91         (noce_get_alt_condition): Look at it to determine whether to
92         reverse the condition or not.
93         (noce_get_condition): Substitute the truth for lies.
94         (noce_find_if_block): Set the then_else_reversed field.
95
96 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
97
98         * config/fr30/fr30.md (movdi): Do not accept immediates as the
99         destination of this insn.
100         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
101         than calling gen_rtx_SET directly.  Use r0 to hold the value of
102         'address + 4' rather than a stack based temporary which can be
103         mis-optimized away.
104         
105 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
106
107         * config/s390/s390.c (s390_secondary_input_reload_class,
108         s390_secondary_output_reload_class): Functions removed.
109         (s390_secondary_reload): New function.
110         (TARGET_SECONDARY_RELOAD): Target macro defined.
111         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
112         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
113         * config/s390/s390.md ("reload_outti", "reload_outdi",
114         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
115         "reload_out<mode>"): Expanders removed.
116         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
117         "reload<mode>_nonoffmem_out"): Expanders added.
118
119 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
120
121         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
122         SRC->DEST replacement failed anyway.
123
124 2007-03-28  Mike Stump  <mrs@apple.com>
125
126         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
127         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
128         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
129
130 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
131
132         * config.gcc: Accept barcelona as a variant of amdfam10.
133         * config/i386/i386.c (override_options): Likewise.
134         * doc/invoke.texi: Likewise.
135         
136 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
137
138         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
139         offsets for BIT_FIELD_REF and COMPONENT_REF.
140
141 2007-03-28  Richard Guenther  <rguenther@suse.de>
142
143         * tree.c (is_global_var): Move ...
144         * tree-flow-inline.h (is_global_var): ... here.
145         * tree.h (is_global_var): Remove declaration.
146
147 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
148
149         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
150         option.
151         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
152         * config/i386/i386.c (ix86_tune_features): Initialize new
153         tuning option.
154         * config/i386/predicates.md (promotable_binary_operator): Use
155         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
156
157 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
158
159         PR target/31380
160         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
161
162 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
163
164         * config/fr30/fr30.md (movsi_internal): Change destination
165         constraint from m to V and add m to the end. 
166
167 2007-03-28  Christian Bruel  <christian.bruel@st.com>
168
169         * config/sh/sh.md (movsi_i): Fix type attribute.
170
171 2007-03-28  Christian Bruel  <christian.bruel@st.com>
172
173         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
174         (movsf_ie): Likewise.
175
176 2007-03-28  Christian Bruel  <christian.bruel@st.com>
177
178         * config.gcc: Add sh4-300 to multilib.
179         * config/sh/t-mlib-sh4-300: New file.
180
181 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
182
183         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
184         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
185         fix_trunc<mode>di2.
186         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use 
187         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
188         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
189         "fixuns_trunctddi2"): Whitespace fix.
190
191 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
192
193         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
194         the definition of struct sh_args.
195         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
196         CALL_COOKIE_INT_REG_GET): Likewise.
197
198 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
199
200         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
201         transformations are applied successfully.
202
203 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
204
205         * tree.c (tree_contains_struct): Permit 512 tree codes.
206         * tree.h (tree_contains_struct): Ditto.
207         (MAX_TREE_CODES): Ditto.
208         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
209         SPARE member to store remaining padding bits.
210
211 2007-03-27  Anatoly Sokolov <aesok@post.ru>
212
213         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' 
214         architecture.
215
216 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
217
218         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
219         * configure: Regenerate.
220
221         * configure: Regenerate using the correct version of autoconf.
222
223 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
224
225         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
226         pointer regs.
227         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
228         regs to "__SP_L__" and "__SP_H__".
229
230 2007-03-27  Richard Guenther  <rguenther@suse.de>
231
232         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
233         computations with it with a HOST_WIDE_INT variable.  
234
235 2007-03-26  Mike Stump  <mrs@apple.com>
236
237         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
238         objective-c-header, objective-c++-header and objc++-cpp-output
239         support.
240         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
241
242 2007-03-26  Richard Henderson  <rth@redhat.com>
243
244         PR target/31361
245         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
246         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
247         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
248         IX86_BUILTIN_PSRLQ128): New.
249         (ix86_init_mmx_sse_builtins): Add them.
250         (ix86_expand_builtin): Expand them.
251         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
252         operand 2 be TImode.
253         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
254         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
255         _mm_srli_epi64): Mark __B const.
256         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
257         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
258         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use 
259         new two-vector shift builtins.
260
261 2007-03-26  Ian Lance Taylor  <iant@google.com>
262
263         PR tree-optimization/31345
264         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
265         [+INF, +INF(OVF)] into VARYING.
266
267 2007-03-26  Zack Weinberg  <zackw@panix.com>
268
269         * gengtype-parse.c: New file.
270         * gengtype-yacc.y: Delete.
271         * gengtype-lex.l: Don't include gengtype-yacc.h.
272         Define YY_DECL and yyterminate appropriately for recursive
273         descent parser.  yylval is now a string out-parameter to yylex.
274         (HWS, EOID): New shorthand.
275         (IWORD): Add a couple more types.
276         (yylex): Add a setup stanza.  Remove the complex rules for
277         detecting GTY'ed types and typedefs; replace with simple
278         keyword detectors.  Adjust everything for the changed
279         definition of yylval.  Ignore all pp-directives, not just #define.
280         (yyerror): Delete.
281         (parse_file): Rename yybegin; do not call yyparse.
282         (yyend): New.
283         * gengtype.c (xasprintf): Export again.
284         (this_file): New.  Use everywhere __FILE__ was being used.
285         (get_lang_bitmap): Special case types defined in gengtype.c.
286         (do_typedef, new_structure): Suppress definition of certain types.
287         (new_structure): Improve diagnostics of duplicate definitions.
288         Make sure location_s is associated with input.h.
289         (nreverse_pairs, define_location_structures): New functions.
290         (main): Improve tagging of kludge types.  Remove old kludges
291         for input.h types; use define_location_structures.
292         * gengtype.h: Update prototypes.  Define token codes here.
293         * Makefile.in: Remove all references to gengtype-yacc.
294         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
295         and gengtype.
296         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
297         add GTY((skip)) to the field that's only conditionally there.
298         * doc/install.texi: Document that Bison is no longer required
299         unless building treelang.
300
301         * gengtype.c: Don't include gtyp-gen.h.
302         (srcdir): Declare here.
303         (base_files, lang_dir_names): Allocate dynamically.
304         (gt_files, num_gt_files, num_lang_dirs): New globals.
305         (measure_input_list, read_input_line, read_input_list)
306         (set_lang_bitmap): New functions.
307         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
308         simplify, relying on read_input_list to set up the bitmaps.
309         (main): Arguments are no longer unused.  Check for correct number
310         of command line arguments, set srcdir and srcdir_len, then call
311         read_input_list, before doing anything else.  No need to worry
312         about duplicates in main loop.
313         * configure.ac: Simplify the calculation of all_gtfiles.
314         Put language tags in there.  Don't set or substitute
315         all_gtfiles_files_langs or all_gtfiles_files_frags.
316         * Makefile.in: Revamp the way gengtype is invoked, now that it
317         takes a file on its command line with a much simpler format.
318         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
319         (GTFILES): Remove duplicates and C source files.
320         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
321         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
322         * configure: Regenerate.
323
324         * gengtype.h: Remove all type definitions to gengtype.c; leave
325         only definitions of options_p, type_p, and pair_p as opaque
326         pointers.  Update prototypes.
327         * gengtype.c: Many type definitions moved here from gengtype.h.
328         Consolidate type definitions at the top of the file.
329         (xvasprintf): Delete.
330         (xasprintf): Make static.
331         (create_nested_pointer_option): Add 'next' parameter.
332         (create_field_all, create_field_at): New functions.
333         (create_field): Now a thin wrapper around create_field_all.
334         (create_optional_field): Rename create_optional_field_ and add
335         line argument.  Original name is now a macro which supplies
336         __LINE__.
337         (oprintf): Use vsnprintf directly.
338         (close_output_files): Use fatal rather than perror/exit.
339         (note_def_vec, note_def_vec_alloc): Use create_field_at.
340         (main): Set progname.  Don't use exit.
341         * gengtype-yacc.y (struct_fields): Use create_field_at.
342         (option, optionseqopt): Delete.
343         (optionseq): Consolidate productions from option here so we
344         can use the first argument to create_option.
345
346         * gengtype-lex.l: Distinguish unions from structures in the
347         token type.  Don't call find_structure; return the tag as a string.
348         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
349         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
350         Reorganize typedef_struct production accordingly.
351         Use create_nested_ptr_option.
352         * gengtype.c (create_nested_ptr_option): New function.
353         * gengtype.h: Declare it.
354
355         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
356         (string_type): Don't declare.
357         (do_scalar_typedef): Declare.
358         (create_scalar_type): Update prototype.
359         * gengtype.c (string_type): Make static.
360         (scalar_nonchar, scalar_char): New.
361         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
362         (resolve_typedef): Use scalar_nonchar for error recovery.
363         (create_scalar_type): Remove name_len field.  Return scalar_char
364         or scalar_nonchar as appropriate.
365         (adjust_field_type): Look at scalar_is_char boolean to decide whether
366         to use string_type.
367         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
368         whenever possible.
369         (main): Initialize scalar_char and scalar_nonchar before calling
370         gen_rtx_next.
371         * gengtype-lex.l: Adjust for removal of second argument to
372         create_scalar_type.  Use yylval.s instead of yylval.t when
373         returning SCALAR.
374         * gengtype-yacc.y: Type of SCALAR is string.  Call
375         create_scalar_type from type:SCALAR rule.  Adjust for removal of
376         second argument to create_scalar_type.
377
378         * vec.h: Remove all #if IN_GENGTYPE blocks.
379         Add comment saying that changes may require adjustments to gengtype.
380         * gengtype.c: Don't include coretypes.h or tm.h.
381         Add comment to inclusion of errors.h.
382         (note_def_vec, note_def_vec_alloc): New functions.
383         * gengtype.h: Declare new functions.
384         * gengtype-lex.l: Don't include coretypes.h.
385         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
386         Delete.
387         (update_lineno): Remove unnecessary prototype.
388         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
389         (VEC rule): Just return VEC_TOKEN.
390         * gengtype-yacc.y (VEC_TOKEN): New token type.
391         (type): Add a production for VEC(a,b).
392         * Makefile.in: Update dependencies.
393
394         * gengtype-lex.l: Remove rules for parsing pointer-to-function
395         typedefs that use the old PARAMS macro.
396
397         * gengtype-lex.l: Remove all rules and states relating to yacc
398         input files.
399         * gengtype-yacc.y: Similarly.
400         * gengtype.c (note_yacc_type): Delete function.
401         * gengtype.h: Update prototypes.
402
403 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
404
405         * tree-pretty-print.c (dump_generic_node): Report precision of
406         unnamed integer types.
407
408 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
409
410         * ifcvt.c (noce_try_store_flag_constants): Don't check
411         no_new_pseudos here.
412         (noce_try_store_flag_constants): Don't check no_new_pseudos.
413         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
414         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
415         noce_try_sign_mask): Likewise.
416         (if_convert): Check no_new_pseudos here.
417
418         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
419         Remove prototypes.
420         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
421         (noce_get_condition): Handle new then_else_reversed argument.
422         (noce_init_if_info): Remove, fold into noce_find_if_block.
423         (noce_process_if_block): Take a struct noce_if_info as the
424         argument.  Don't set up one based on ce_if_info.  Update pointer
425         references accordingly.
426         (cond_move_process_if_block): Likewise.
427         (process_if_block): Removed.
428         (find_if_block): Removed.  Move functionality two new functions,
429         noce_find_if_block and cond_exec_find_if_block.
430         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
431         blocks and the symmetric IF-ELSE-JOIN case.
432         (cond_exec_find_if_block): Also new function mostly based on old
433         find_if_block and process_if_block.
434         (find_if_header): Replace find_if_block call with separately
435         guarded calls to noce_find_if_block and cond_exec_find_if_block.
436         (find_cond_trap): Update noce_get_condition call.
437         (dead_or_predicable): Likewise.
438
439 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
440
441         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
442         Remove.
443         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
444         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
445         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
446         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
447         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
448         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
449         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
450         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
451         __builtin_ia32_psrad128 builtins.
452
453 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
454
455         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
456         * config/i386/constraints.md
457         (define_constraint "I"): Use IN_RANGE macro.
458         (define_constraint "J"): Ditto.
459         (define_constraint "K"): Ditto.
460         (define_constraint "M"): Ditto.
461         (define_constraint "N"): Ditto.
462         (define_constraint "O"): Ditto.
463         * config/i386/predicates.md
464         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
465         (define_predicate "const_0_to_3_operand"): Ditto.
466         (define_predicate "const_0_to_7_operand"): Ditto.
467         (define_predicate "const_0_to_15_operand"): Ditto.
468         (define_predicate "const_0_to_63_operand"): Ditto.
469         (define_predicate "const_0_to_255_operand"): Ditto.
470         (define_predicate "const_1_to_31_operand"): Ditto.
471         (define_predicate "const_2_to_3_operand"): Ditto.
472         (define_predicate "const_4_to_7_operand"): Ditto.
473
474 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
475
476         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
477         in SImode for save_world.
478         * config/rs6000/altivec.md (save_world, restore_world): Convert to
479         LR hard reg.
480
481 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
482
483         PR tree-optimization/30784
484         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
485         BIT_FIELD_REF.
486
487 2007-03-25  Revital Eres  <eres@il.ibm.com>
488
489         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
490           Fold movement_possibility function into it.
491
492 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
493
494         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
495         (load_macho_picbase_{si,di}): Convert to LR hard reg.
496         (call_indirect_nonlocal_darwin64): Same.
497         (call_nonlocal_darwin64): Same.
498         (call_value_indirect_nonlocal_darwin64): Same.
499         (call_value_nonlocal_darwin64): Same.
500         (sibcall_nonlocal_darwin64): Same.
501         (sibcall_value_nonlocal_darwin64): Same.
502         (sibcall_symbolic_64): Same.
503         (sibcall_value_symbolic_64): Same.
504         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
505         LR pseudo.
506         (rs6000_emit_load_toc_table): Same.
507         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
508         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
509         (mull_call): Same.
510         (divss_call): Same.
511         (divus_call): Same.
512         (quoss_call): Same.
513         (quous_call): Same.
514         (load_toc_v4_pic_si): Same
515         (load_toc_v4_PIC_1): Same.
516         (load_toc_v4_PIC_1b): Same.
517         (call_indirect_aix{32,64}): Same.
518         (call_value_indirect_aix{32,64}): Same.
519         (call): Same.
520         (call_value): Same.
521         (call_local{32,64}): Same.
522         (call_value_local{32,64}): Same.
523         (call_indirect_nonlocal_aix{32,64}): Same.
524         (call_nonlocal_aix{32,64}): Same.
525         (call_value_indirect_nonlocal_aix{32,64}): Same.
526         (call_value_nonlocal_aix{32,64}): Same.
527         (call_indirect_nonlocal_sysv<mode>): Same.
528         (call_nonlocal_sysv<mode>): Same.
529         (call_value_indirect_nonlocal_sysv<mode>): Same.
530         (call_value_nonlocal_sysv<mode>): Same.
531         (sibcall): Same.
532         (sibcall_local{32,64}): Same.
533         (sibcall_value_local{32,64}): Same.
534         (sibcall_nonlocal_aix{32,64}): Same.
535         (sibcall_value_nonlocal_aix{32,64}): Same.
536         (sibcall_nonlocal_sysv<mode>): Same.
537         (sibcall_value): Same.
538         (sibcall_value_nonlocal_sysv<mode>): Same.
539
540 2007-03-24  Paul Brook  <paul@codesourcery.com>
541
542         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
543         * config/arm/linux-eabi.h: Remove legacy syscall hack.
544
545 2007-03-24  Richard Henderson  <rth@redhat.com>
546
547         * config/ia64/constraints.md: New file.
548         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
549         satisfies_constraint_?.
550         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
551         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
552         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
553         ia64_output_mi_thunk): Likewise.
554         (ia64_const_ok_for_letter_p): Remove.
555         (ia64_const_double_ok_for_letter_p): Remove.
556         (ia64_extra_constraint): Remove.
557         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
558         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
559         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
560         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
561         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
562         EXTRA_MEMORY_CONSTRAINT): Remove.
563         * config/ia64/ia64.md: Include constriants.md.  Replace
564         CONST_OK_FOR_? with satisfies_constraint_?.
565
566 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
567             H.J. Lu  <hongjiu.lu@intel.com>
568
569         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
570         DPD or BID name.
571         (name macros): Use DPD_BID_NAME to convert names properly.
572
573         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
574         decimal floating point format.
575         (init_floating_libfuncs): Change decimal functions so that they
576         have a "bid_" prefix if the decimal system uses the BID format,
577         and "dpd_" prefix if the decimal system uses the DPD format.
578         (init_interclass_conv_libfuncs): Ditto.
579         (init_intraclass_conv_libfuncs): Ditto.
580
581         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
582         using the BID format.
583
584         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
585         whether we are using the BID decimal format.
586         * configure: Regenerate.
587
588         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
589         the compiler has decimal floating point enabled.  Define
590         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
591         instead of DPD.
592
593         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
594         using the BID format.
595
596         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
597         whether we are using the BID decimal format.
598         * configure: Regenerate.
599
600         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
601         the compiler has decimal floating point enabled.  Define
602         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
603         instead of DPD.
604
605         * doc/install.texi (--enable-decimal-float): Document BID and DPD
606         options, and that it is enabled for i386/x86_64 systems.
607
608         * Makefile.in (enable_decimal_float): New.
609         (DECNUMFMT): New.
610         (DECNUMINC): Add  -I$(DECNUMFMT).
611         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
612         to $(DECNUMFMT) from $(DECNUM).
613
614         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
615         Substitute enable_decimal_float.
616         * configure: Regenerated.
617
618         PR other/30529
619         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
620         unsigned long.
621
622         * configure.ac: Enable decimal float for x86_64-*-linux*.
623         * configure: Regenerated.
624
625         PR other/30530
626         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
627         decimal128ClearSign to flip and clear the sign bit in decimal128.
628         (decimal_real_maxval): Set decimal128SetSign to set the sign
629         bit in decimal128.
630
631 2007-03-23  Ian Lance Taylor  <iant@google.com>
632
633         * fold-const.c (fold_binary): Correct warning for X - c >= X.
634
635 2007-03-23  Ian Lance Taylor  <iant@google.com>
636
637         * tree-dump.c (dump_files): Correct comment.
638
639 2007-03-23  Ian Lance Taylor  <iant@google.com>
640
641         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
642
643 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
644
645         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
646         in cfglayout mode.  Don't go into and out of cfglayout mode.
647         Link the blocks in the order of the constructed traces.
648         (rest_of_handle_tracer): Adjust call to tracer.
649         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
650         Don't go into cfglayout mode.
651         (rtl_loop_done): Don't go out of cfglayout mode.
652         * cfglayout.c (relink_block_chain): New function, split out from...
653         (fixup_reorder_chain): ...here.  Remove redundant checking.
654         (cfg_layout_finalize): Don't clear the header, footer, and aux
655         fields here, move the code to do so to relink_block_chain.  Likewise
656         for free_original_copy_tables.
657         * rtl.h (tracer): Update prototype.
658         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
659         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
660         mode.  Use relink_block_chain to serialize the CFG according to the
661         new basic block order.  Move targetm.cannot_modify_jumps_p check from
662         here...
663         (gate_handle_reorder_blocks): ...to here.
664         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
665         from here...
666         (gate_duplicate_computed_gotos): ...to here.
667         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
668         something always changes when going into and out of cfglayout mode.
669         Perform an expensive cfg cleanup while going into cfglayout mode.
670         Always update liveness information on HAVE_conditional_execution
671         targets.  Reserialize the basic blocks and go out of cfglayout mode.
672         * reg-stack.c: Include cfglayout.h.
673         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
674         the call to reorder_basic_blocks.
675         * basic-block.h (reorder_basic_blocks): Update prototype.
676         (relink_block_chain): New prototype.
677         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
678
679 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
680
681         * config/mips/mips.md (type, hazard, *movdi_32bit,
682         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
683         *movhi_internal, *movqi_internal, *movsf_hardfloat,
684         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
685         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
686         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
687         applicable.
688         (movcc): Change first xfer to multi.
689         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
690         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
691         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
692         config/mips/generic.md: Change reservations using "xfer" to use
693         "mfc,mtc".
694         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
695         using match_operand.
696         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
697         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
698         examining mode.
699         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
700
701 2007-03-22  Richard Henderson  <rth@redhat.com>
702
703         * config/i386/i386.c: Remove unnecessary function declarations.
704         Move targetm definition, and all related macros, to the end of
705         the file.  Resort some functions to put definitions before uses.
706         (ix86_attribute_table): Make static.  Move to end of file.
707         (ix86_gimplify_va_arg): Make static.
708
709 2007-03-22  Richard Henderson  <rth@redhat.com>
710
711         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
712         don't increase local_regparm with force_align_arg_pointer check.
713         (ix86_function_sseregparm): Assert 32-bit.
714         (type_has_variadic_args_p): New.
715         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
716         type_has_variadic_args_p.
717         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
718         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
719         use memset instead.  Do maybe_vaarg check first; skip attribute
720         tests if true; skip attribute tests for 64-bit.
721         (construct_container): Remove TARGET_DEBUG_ARG.
722         (function_arg_advance_32, function_arg_advance_64): Split out ...
723         (function_arg_advance): ... from here.
724         (function_arg_32, function_arg_64): Split out ...
725         (function_arg): ... from here.
726         (ix86_pass_by_reference): Tidy.
727         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
728         (function_value_32): New, from parts of ix86_function_value
729         and ix86_value_regno.
730         (function_value_64): New, from parts of ix86_function_value
731         and ix86_libcall_value.
732         (ix86_function_value_1): New.
733         (ix86_function_value, ix86_libcall_value): Use it.
734         (return_in_memory_32, return_in_memory_64): Split out ...
735         (ix86_return_in_memory): ... from here.
736         (ix86_struct_value_rtx): Skip for 64-bit.
737         (ix86_libcall_value, ix86_value_regno): Remove.
738         (setup_incoming_varargs_64): Split out ...
739         (ix86_setup_incoming_varargs): ... from here.
740         (ix86_va_start): Remove TARGET_DEBUG_ARG.
741         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
742         * config/i386/i386-protos.h (ix86_function_value): Remove.
743         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
744
745 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
746
747         PR other/23572
748         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
749         infinities not supported, otherwise emit warning if -Woverflow. On
750         underflow, emit warning if -Woverflow.
751         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
752         and 0 otherwise.
753         * real.h (real_from_string): Update declaration
754
755 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
756             Richard Henderson  <rth@redhat.com>
757
758         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
759         * calls.c (compute_argument_block_size, expand_call,
760         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
761         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
762         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
763         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
764         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
765         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
766         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
767         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
768         Set to 1.
769
770 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
771
772         * c-incpath.c (add_sysroot_to_chain): New.
773         (merge_include_chains): Add sysroot argument.  Call
774         add_sysroot_to_chain if sysrooted.
775         (register_include_chains): Update call to merge_include_chains.
776         * doc/cppopts.texi: Document use of '=' in include directory
777         arguments.
778
779 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
780
781         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
782         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
783         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
784         insn pattern using X87MODEF12 mode macro.
785
786 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
787
788         * regmove.c (regmove_optimize): Use reg_mentioned_p
789         instead of reg_overlap_mentioned_p for DST.
790
791 2007-03-21  Mike Stump  <mrs@apple.com>
792
793         * c.opt: Fixup for Objective-C/C++.
794
795 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
796
797         * explow.c (convert_memory_address): Fold memory reference when
798         POINTERS_EXTEND_UNSIGNED < 0
799
800 2007-03-21  Richard Henderson  <rth@redhat.com>
801
802         PR target/31245
803         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
804         * config/i386/mmintrin.h (__m64): Likewise.
805         * config/i386/xmmintrin.h (__m128): Likewise.
806
807 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
808
809         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
810         (VXWORKS_OS_CPP_BUILTINS): Define.
811         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
812         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
813
814 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
815
816         * rtl.h (constant_pool_reference_p): Delete.
817         (find_constant_src): Declare.
818         * rtlanal.c (find_constant_src): New function.
819         * simplify-rtx.c (constant_pool_reference_p): Delete.
820         * config/i386/i386.md: Use find_constant_src instead of
821         constant_pool_reference_p/avoid_constant_pool_reference pairs.
822
823 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
824
825         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
826         * c-cppbuiltin.c (c_cpp_builtins): Define them.
827
828 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
829
830         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
831         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
832         (arm_elf_asm_constructor): Use it.
833         (arm_elf_asm_destructor): New function.
834
835 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
836
837         * jump.c (mark_jump_label): Treat SEQUENCE specially.
838
839 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
840
841         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
842
843 2007-03-19  Andrew Haley  <aph@redhat.com>
844
845         PR tree-optimization/31264
846         * tree-vrp.c (register_edge_assert_for_1): Don't look though
847         VIEW_CONVERT_EXPRs.
848
849 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
850
851         PR rtl-optimization/30907
852         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
853         (fwprop_init): Always call loop_optimizer_initialize.
854         (fwprop_done): Always call loop_optimizer_finalize.
855         (fwprop): We always have loop info now.
856         (gate_fwprop_addr): Remove.
857         (pass_fwprop_addr): Use gate_fwprop as gate.
858
859         PR rtl-optimization/30841
860         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
861         df_chain_alloc): Call df_reorganize_refs unconditionally.
862         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
863         refs_organized to refs_organized_size.
864         (df_ref_create_structure): Use refs_organized_size instead of
865         bitmap_size if refs had been organized, and keep refs_organized_size
866         up-to-date.
867         * df.h (struct df_ref_info): Change refs_organized to
868         refs_organized_size.
869         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
870         bitmap_size.
871
872 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
873
874         * except.c (output_function_exception_table): Do not reference the
875         EH personality routine for functions that do not require an
876         exception table.
877
878 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
879
880         PR c/30762
881         * c-typeck.c (convert_for_assignment): Call comptypes for
882         RECORD_TYPE or UNION_TYPE.
883
884         PR inline-asm/30505
885         * reload1.c (reload): Do invalid ASM checking after
886         cleanup_subreg_operands.
887
888 2007-03-19  Jeff Law  <law@redhat.com>
889
890         * tree-cfg.c (find_taken_edge): Tighten conditions for
891         optimizing computed gotos.
892
893 2007-03-19  Michael Matz  <matz@suse.de>
894
895         * builtins.c (expand_builtin_sync_operation,
896         expand_builtin_compare_and_swap,
897         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
898         correctly.
899
900         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
901         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
902         for operand 3.
903
904 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
905
906         * doc/tm.texi: Add brackets around the return type of
907         TARGET_SECONDARY_RELOAD.
908
909 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
910         Richard Guenther  <rguenther@suse.de>
911
912         PR tree-optimization/31254
913         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
914         Use handled_component_p () where appropriate.  Continue
915         propagating into the rhs if we propagated into an INDIRECT_REF
916         on the lhs.
917
918 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
919
920         * config/s390/s390.md (op_type attribute): RRR instruction type added.
921         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
922         (xde, xdee): Mode attributes adjusted to support DFP modes.
923         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
924         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
925         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
926         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
927         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
928         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
929         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
930         numbers.
931         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
932         "movsf"): Insn definitions removed.
933         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
934         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
935         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
936         definitions added.
937         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
938         "reload_in<mode>", "reload_out<mode>"): Expander added.
939         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
940         Expander removed.
941
942 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
943
944         * config/s390/s390.md: Only non-functional changes.  Renamed
945         FPR mode macro to BFP all over the file.
946
947 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
948
949         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
950         (op_type attribute): RRF instruction type added.
951         (fT0): New mode attribute.
952         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
953         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
954         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
955         no secondary memory is needed when moving DFmode values between GPRs
956         and FPRs.
957
958 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
959
960         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
961         inverted and documentation adjusted.
962         ("mhard-dfp", "msoft-dfp"): New options.
963         * config/s390/s390.c (s390_handle_arch_option): New architecture
964         switch: z9-ec.
965         (override_options): Sanity checks for the new options added.
966         * config.gcc: New architecture switch: z9-ec.
967         * config/s390/s390.h (processor_flags): PF_DFP added.
968         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
969         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
970         when the bit is NOT set so remove it from the defaults.
971
972 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
973
974         * genemit.c (main): Print include statement for dfp.h.
975         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
976         is not available.
977
978 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
979
980         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
981
982 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
983
984         PR target/31022
985         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
986         instead of PATTERN.
987
988 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
989
990         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
991         attr_length_call, output_call, output_indirect_call): Cleanup
992         formatting of targetm calls.
993
994 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
995
996         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
997
998 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
999
1000         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1001         reservation, bypass and anti-bypass descriptions for these instructions.
1002         Update move patterns.
1003         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1004         TYPE_FPSTORE.
1005
1006 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1007
1008         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1009         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1010         (get_initial_def_for_reduction): Likewise.
1011
1012 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1013
1014         Fix PR tree-optimization/29922
1015         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1016         (get_representative): Removed.
1017         (value_dies_in_block_x): Update for rvuse removal.
1018         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1019         (compute_antic_aux): Handle when PHI nodes appear in
1020         non-single-successors.
1021         (dump_bitmap_of_names): Removed.
1022         (compute_antic_safe): Renamed and removed rvuse calculation.
1023         Calculate only antic safe.
1024         (insert_into_preds_of_block): Remove assert.
1025         (execute_pre): Update for renamed functions.
1026         (defer_or_phi_translate_block): New function.
1027
1028 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1029
1030         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1031         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1032         typos.
1033         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1034         Follow spelling conventions.
1035
1036         * tree-data-ref.h: Remove the prototype for analyze_array.
1037
1038 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1039
1040         PR tree-optimization/31041
1041         * tree-vect-transform.c (get_initial_def_for_induction): Call
1042         force_gimple_operand.
1043
1044 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1045
1046         * ipa-type-escape.c (look_for_casts) : Revert code to use
1047         handled_component_p due to ada test a-numaux.adb.
1048
1049 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1050
1051         * final.c (final_scan_insn): Alter the condition of a
1052         conditional trap if we have nonstandard CC.
1053
1054 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1055
1056         * configure.ac: Remove excess quoting from asm line 0 test.
1057         * configure: Rebuilt.
1058
1059 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1060
1061         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1062         * c-common.c (convert_and_check): Move warning logic to...
1063         (warnings_for_convert_and_check): ...here. Define.
1064         * c-common.h (warnings_for_convert_and_check): Declare.
1065
1066 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1067
1068         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1069         (output_call): Likewise.
1070
1071 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1072
1073         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1074
1075 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1076
1077         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1078
1079 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1080
1081         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1082         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1083
1084 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1085
1086         PR tree-optimization/31183
1087         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1088         Use double_int instead of unsigned int for representing access_strides.
1089         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1090
1091 2007-03-16  Richard Guenther  <rguenther@suse.de>
1092
1093         PR tree-optimization/31146
1094         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1095         to allow recursion of forward_propagate_addr_expr.
1096         (forward_propagate_addr_into_variable_array_index): Likewise.
1097         (forward_propagate_addr_expr): Likewise.
1098         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1099         (forward_propagate_addr_expr_1): Recurse on simple copies
1100         instead of propagating into them.  Do so for useless conversions
1101         as well.
1102         (forward_propagate_addr_expr): Clean up unused statements after
1103         recursion.
1104
1105 2007-03-16  Richard Guenther  <rguenther@suse.de>
1106
1107         * builtins.c (expand_builtin_cexpi): Use the right argument
1108         for the expansion via cexp.
1109
1110 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1111
1112         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1113         * configure: Rebuilt.
1114
1115 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1116
1117         PR debug/29906
1118         * dwarf2out.c (force_type_die): Adjust comment.
1119         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1120
1121 2007-03-15  DJ Delorie  <dj@redhat.com>
1122
1123         * config/frv/predicates.md (minmax_operator): Don't check operands
1124         here.
1125
1126 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1127
1128         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1129         Update constant estimates of number of iterations.
1130         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1131         argument renamed to "realistic".
1132         (compute_estimated_nb_iterations): Removed.
1133         (record_niter_bound): New function.
1134         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1135         call record_nonwrapping_iv with upper = false.
1136         (infer_loop_bounds_from_signedness): Pass upper argument to
1137         record_nonwrapping_iv.
1138         (estimate_numbers_of_iterations_loop): Do not call
1139         compute_estimated_nb_iterations.  Record estimate based on profile
1140         information.  Initialize the constant estimates of number of
1141         iterations.
1142         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1143         estimates.
1144         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1145         number of iterations is too small.
1146         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1147         (EST_NOT_AVAILABLE): Removed.
1148         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1149         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1150         fields.
1151
1152 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1153
1154         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1155         Handle NE_EXPR guards.
1156
1157 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1158
1159         PR c++/24924
1160         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1161         Set also -pedantic-errors by default for the  preprocessor unless
1162         -fpermissive is given.
1163
1164 2007-03-15  Richard Guenther  <rguenther@suse.de>
1165
1166         PR middle-end/29719
1167         PR middle-end/31161
1168         * builtins.c (expand_builtin_cexpi): As a fallback if we
1169         don't have builtins for sincos or cexp create a function
1170         declaration for cexp and expand to a call to that.
1171         (expand_builtin_int_roundingfn): Always fall
1172         back to floor/ceil and its variants even if they may be
1173         not available.
1174
1175 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1176
1177         PR middle-end/31159
1178         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1179         jump tables, move the call to delete_dead_jumptables from here...
1180         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1181         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1182         don't allow merging of blocks that try_redirect_by_replacing_jump
1183         also does not handle when not optimizing.
1184
1185 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1186             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1187
1188         * config/i386/i386.md (x86_sahf_1): Correctly handle
1189         HAVE_AS_IX86_SAHF.
1190
1191 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1192
1193         PR target/31167
1194         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1195         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1196         from operand constraints and use "e" constraint instead.
1197         (*subti3_1, *subti3_1 splitter): Ditto.
1198         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1199         operand[1] predicate.
1200
1201 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1202
1203         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1204         arrays, multiply the access strides by the size of the sub-array.
1205         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1206
1207 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1208
1209         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1210         the configured assembler supports the sahf mnemonic.
1211         * configure: Regenerate.
1212         * config.in: Regenerate.
1213
1214         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1215         emit "sahf" or ".byte\t0x9e" as asm template.
1216
1217 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1218
1219         PR 31018
1220         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1221         option to replace hard coded TARGET_xxx in md file.
1222         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1223         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1224         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1225         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1226         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1227         (X86_TUNE_NOT_VECTORMODE): Ditto.
1228         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1229         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1230         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1231         (TUNE_SLOW_IMUL_IMM8): Ditto.
1232         (TUNE_MOVE_M1_VIA_OR): Ditto.
1233         (TUNE_NOT_UNPAIRABLE): Ditto.
1234         (TUNE_NOT_VECTORMODE): Ditto.
1235
1236         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1237         options.
1238
1239         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1240         tuning options instead of hard coded TARGET_xxx.
1241         (fix ssemode peephole2's): Ditto.
1242         (imul peephole2's): Ditto.
1243         (movsi_or): Ditto.
1244         (movdi_or_rex64): Ditto.
1245         (move peephole2): Ditto.
1246         (not peephole2's): Ditto.
1247
1248 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1249
1250         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1251         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1252         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1253         of empty body.
1254         * c-parser.c (c_parser_do_statement): Warn about empty body in
1255         do/while statement.
1256         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1257         * doc/invoke.texi (-Wempty-body): Update documentation.
1258
1259 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1260
1261         PR c/21438
1262         * c-common.h (warn_for_div_by_zero): Declare.
1263         * c-common.c (warn_for_div_by_zero): Define.
1264         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1265         warning.
1266
1267 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1268
1269         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1270         to PREFIX and STANDARD_PREFIX.
1271
1272 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1273             Phil Edwards  <phil@codesourcery.com>
1274
1275         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1276         (__gthread_once_t): Remove busy field for RTPs.
1277         (__GTHREAD_ONCE_INIT): Update accordingly.
1278
1279 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1280
1281         * doc/invoke.texi: Document VxWorks options.
1282
1283 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1284
1285         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1286
1287 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1288
1289         PR tree-optimization/30590
1290         * tree-nrv.c (tree_nrv): Check for the partial update of the
1291         return value.
1292
1293 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1294
1295         * flags.h (flag_random_seed): Remove declaration, in favor of...
1296         * toplev.h (get_random_seed, set_random_seed): ... these.
1297         * tree.c (get_file_function_name): Use the former.
1298         * opts.c (common_handle_option): Use the latter.
1299         * toplev.c
1300
1301 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1302
1303         PR middle-end/31127
1304         * cse.c (cse_find_path): Do not bail out if a basic block that
1305         we already visited now becomes part of a path that starts at a
1306         different basic block.  Just disallow this, to make sure we
1307         visit each basic block at most once.
1308
1309 2007-03-13  Jan Hubicka  <jh@suse.cz>
1310
1311         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1312         when profile esitmate is present, calls with very low frequency are
1313         cold.
1314
1315 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1316
1317         PR tree-optimization/30730
1318         PR tree-optimization/26900
1319         * tree-ssa-loop-niter.c: Include gmp.h.
1320         (bounds): New type.
1321         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1322         split_to_var_and_offset, determine_value_range,
1323         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1324         bound_difference, bounds_add, bounds_negate,
1325         number_of_iterations_ne_max, dump_affine_iv): New functions.
1326         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1327         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1328         difference of initial and final value of control iv to validate
1329         results.
1330         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1331         on the difference of the extremes of the control iv.  Add dumps.
1332         (expand_simple_operations): Handle phi nodes.
1333         (simplify_using_initial_conditions): Do not record used conditions.
1334         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1335         Do not set additional_info.
1336         (implies_nonnegative_p, implies_ge_p): Removed.
1337         (derive_constant_upper_bound): Do not use parameter `additional'.
1338         (record_estimate): Parameter `additional' removed.  Parameter
1339         `i_bound' added.  Do not call derive_constant_upper_bound.
1340         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1341         bound the number of iterations estimate.
1342         (estimate_numbers_of_iterations_loop): Pass the estimate from
1343         the number of iterations analysis to record_estimate.
1344         * tree.h (multiple_of_p): Declare.
1345         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1346         (scev_const_prop): Do not check expression_expensive_p.
1347         * fold-const.c (multiple_of_p): Exported.
1348         * double-int.c (double_int_mask): Exported.
1349         * double-int.h (double_int_mask): Declare.
1350         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1351         field.  Added max field.
1352
1353 2007-03-13  David Taylor  <taylor@candd.org>
1354
1355         PR driver/12448:
1356         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1357         default -MQ.
1358
1359 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1360
1361         PR target/31123
1362         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1363         two unamed patterns.
1364
1365 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1366
1367         * config/i386/i386.opt (mcx16, msahf): New options.
1368         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1369         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1370
1371         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1372         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1373         Output -mcx16 and -msahf options when corresponding bit is set.
1374
1375         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1376         and -msahf options.
1377
1378 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1379
1380         * configure.ac: Test for assembler tolerance to # 0 "".
1381         * configure, config.in: Rebuilt.
1382         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1383
1384 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1385
1386         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1387
1388         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1389         (handle_syscall): Handle direct system calls.
1390         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1391
1392 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1393
1394         * doc/invoke.texi: Fix cpp.info cross-reference.
1395         * doc/passes.texi: Fix gcc.info cross-reference.
1396
1397 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1398
1399         PR tree-optimization/30835
1400         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1401         bb_for_stmt is not NULL before accessing it.
1402
1403 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1404
1405         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1406         some multilibs.
1407
1408 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1409
1410         PR 30635
1411         * doc/install.texi: Document --enable-stage1-languages
1412
1413 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1414
1415         * tree-pass.h (pass_into_cfg_layout_mode,
1416         pass_outof_cfg_layout_mode): Declare.
1417         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1418         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1419         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1420         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1421
1422 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1423
1424         * c-decl.c (warn_variable_length_array): New function.
1425         Refactored from grokdeclarator to handle warn_vla
1426         and handle unnamed array case.
1427         (grokdeclarator): Refactored VLA warning case.
1428         * c.opt (Wvla): New flag.
1429         * doc/invoke.texi (Wvla): New warning.
1430
1431 2007-03-12  Richard Henderson  <rth@redhat.com>
1432
1433         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1434         (TARGET_SECTION_TYPE_FLAGS): New.
1435
1436 2007-03-12  Richard Henderson  <rth@redhat.com>
1437
1438         * config/darwin.c (machopic_reloc_rw_mask): New.
1439         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1440         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1441
1442 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1443
1444         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1445         * cppdefault.h (cpp_PREFIX): Document.
1446         (cpp_PREFIX_len): Likewise.
1447         (cpp_EXEC_PREFIX): New variable.
1448         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1449         * c-incpath.c (add_standard_paths): Correct logic for relocating
1450         paths within prefix.
1451
1452 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1453
1454         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1455         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1456         mode macro.
1457         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1458         fix_truncdfdi_sse using SSEMODEF mode macro.
1459         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1460         fix_truncdfsi_sse using SSEMODEF mode macro.
1461         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1462         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1463
1464 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1465
1466         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1467         elfos.h to tm_file.
1468
1469 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1470
1471         * tree.h : Add multiple_of_p declaration.
1472         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1473         * ipa-type-escape.c (results_of_malloc): Redundant.
1474         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1475         (cast_type): Extended with new members.
1476         (check_cast): Returns cast_type.
1477         (cast): New structure for data of walk_use_def_chains.
1478         (is_malloc_result, is_cast_from_non_pointer_1,
1479         is_cast_from_non_pointer,
1480         is_array_access_through_pointer_and_index): New functions.
1481         (look_for_casts): Returns cast types.
1482         (check_call): Returns void.
1483         (okay_pointer_operation): Use support of pointer plus index,
1484         pointer plus constant and allow all multiplications.
1485
1486 2007-03-11  Richard Guenther  <rguenther@suse.de>
1487
1488         PR tree-optimization/31115
1489         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1490         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1491         A shift count of zero is not special as with *_DIV_EXPR.
1492         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1493         direction.
1494
1495 2007-03-11  Ian Lance Taylor  <iant@google.com>
1496
1497         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1498         the *_DIV_EXPR codes correctly with overflow infinities.
1499
1500 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1501
1502         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1503         indicate success/failure of the analysis. Add negation to subtrahend
1504         in case of subtraction. Fail if both operands contain constants.
1505         (create_data_ref): Fail if analyze_offset fails.
1506
1507 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1508
1509         * config/i386/i386.md (frndintxf2): Rename to ...
1510         (rintxf2): ... this. Remove expander having same name.
1511         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1512         (roundsf2, rounddf2): Ditto.
1513         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1514         (lround<mode>di2, lround<mode>si2): Ditto.
1515
1516 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1517
1518         * lower-subreg.c: Include except.h.
1519         (decompose_multiword_subregs): Verify that the only control flow
1520         insns we can split are loads to multi-words pseudos.
1521         Handle breaking such blocks after splitting, instead of calling
1522         find_many_sub_basic_blocks.
1523
1524         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1525         on the new basic block.  Add a lengthy comment explaining why we
1526         thought this was necessary.
1527         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1528
1529 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1530
1531         PR c++/30924
1532         * tree.c (walk_type_fields): Recurse into the element type of
1533         ARRAY_TYPEs if there is a pointer set.
1534
1535 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1536
1537         * c-common.c (warn_logical_operator): Fix condition.
1538
1539 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1540
1541         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1542         quotation mark.
1543         * config/darwin.c (machopic_select_section): Remove superfluous
1544         argument in call to categorize_decl_for_section.  Remove unused
1545         variable shlib.
1546
1547 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1548
1549         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1550         defined.
1551         * configure: Regenerate.
1552
1553 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1554
1555         PR target/31101
1556         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1557         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1558         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1559         Add LABEL_NUSES to emitted label.
1560         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1561         branch probability value to emitted jump insn.
1562         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1563         Do not check life information and do not re-arrange input operands
1564         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1565
1566 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1567
1568         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1569         the change of decode_asm_operands.
1570
1571 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1572
1573         * mode-switching.c (create_pre_exit): Skip blockage insn.
1574
1575 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1576
1577         * tree-pass.h (TODO_update_smt_usage): Remove.
1578         Update all users.
1579         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1580         argument SOME.
1581         Update all users.
1582
1583 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1584
1585         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1586         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1587         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1588         SOM target.
1589
1590 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1591
1592         * gcc.c: Document %{, in big comment at top.
1593         (input_suffix_matches): Remove special handling for .s and
1594         .S.
1595         (input_spec_matches): New.
1596         (handle_braces): Handle %{,.
1597         (validate_switches): ',' indicates a value which is not a switch.
1598         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1599         to detect assembler input.
1600         * config/i386/sol2.h (CPP_SPEC): Likewise.
1601         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1602         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1603         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1604         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1605         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1606         -m64 causes deployment target to default to 10.5.
1607         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1608
1609 2007-03-09  Richard Henderson  <rth@redhat.com>
1610
1611         PR target/26090
1612         * target.h (targetm.asm.out.reloc_rw_mask): New.
1613         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1614         (TARGET_ASM_OUT): Use it.
1615         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1616         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1617         use the new reloc_rw_mask target hook instead.
1618         (default_section_type_flags_1): Merge into...
1619         (default_section_type_flags): ... here.
1620         (decl_readonly_section_1): Merge into...
1621         (decl_readonly_section): ... here.
1622         (default_elf_select_section_1): Merge into...
1623         (default_elf_select_section): ... here.
1624         (default_unique_section_1): Merge into...
1625         (default_unique_section): ... here.
1626         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1627         (default_select_rtx_section): Use it.
1628         (default_elf_select_rtx_section): Likewise.
1629         * output.h: Update to match.
1630         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1631         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1632         (TARGET_ASM_RELOC_RW_MASK): New.
1633         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1634         to categorize_decl_for_section.
1635         (x86_64_elf_unique_section): Likewise.
1636         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1637         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1638         (TARGET_ASM_RELOC_RW_MASK): New.
1639         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1640         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1641         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1642         (TARGET_RWRELOC): Remove.
1643         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1644         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1645         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1646         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1647         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1648         (rs6000_xcoff_select_section): Use decl_readonly_section.
1649         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1650         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1651         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1652         (TARGET_SECTION_TYPE_FLAGS): Remove.
1653         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1654
1655 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1656
1657         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1658         complex constant equality/inequality comparisons for here.
1659         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1660         known at compile-time or can be simplified to a scalar comparison.
1661         (fold_relational_const): Move compile-time evaluation of complex
1662         constant equality/inequality comparisons to here.
1663
1664 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1665
1666         PR rtl-optimization/30643
1667         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1668         dest_addr_elt.
1669         (fold_rtx): Recurse, like before 2006-11-03.
1670
1671 2007-03-09  DJ Delorie  <dj@redhat.com>
1672
1673         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1674         m32c-pragma.o.
1675
1676 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1677
1678         PR tree-optimization/30375
1679         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1680         LHS of statements is not the same.
1681         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1682
1683 2007-03-09  Chao-ying Fu  <fu@mips.com>
1684
1685         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1686         REV 2.
1687         * doc/invoke.texi (-mdspr2): Document new option.
1688         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1689         New unspec for DSP REV 2.
1690         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1691         these instructions are extended in DSP REV 2.
1692         (mips-dspr2.md): Include.
1693         * config/mips/mips.opt (mdspr2): New option.
1694         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1695         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1696         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1697         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1698         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1699         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1700         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1701         and 2 builtins.
1702         (bdesc_map): Add one field of unsupported_target_flags.
1703         (bdesc_arrays):  Update entries to have extra fields.  Add
1704         dsp_32only_bdesc.
1705         (mips_init_builtins): Initialize new function types.
1706         Check unsupported_target_fileds to filter out builtins.
1707         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1708         TARGET_DSPR2.
1709         (ASM_SPEC): Pass mdspr2 to the assembler.
1710         * config/mips/mips-dspr2.md: New file.
1711
1712 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1713
1714         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1715
1716 2007-03-09  Ian Lance Taylor  <iant@google.com>
1717
1718         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1719         argument) like -Wstrict-overflow=2.
1720         * doc/invoke.texi (Warning Options): Update documentation.
1721
1722 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1723
1724         PR c++/17946
1725         * doc/invoke.texi (-Wlogical-op): Document.
1726         * common.opt (-Wlogical-op): New.
1727         * c-common.h (warn_logical_operator): Declare.
1728         * c-common.c (warn_logical_operator): Define.
1729         * c-typeck.c (parser_build_binary_op): Call
1730         warn_logical_operator.
1731
1732 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1733
1734         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1735         * final.c (final_scan_insn): Test for non-"" file name.
1736
1737 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1738
1739         * doc/loop.texi: Document the Omega linear constraints solver.
1740         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1741         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1742         omega-hash-table-size, omega-max-keys, and
1743         omega-eliminate-redundant-constraints.
1744         * tree-pass.h (pass_check_data_deps): Declared.
1745         * omega.c: New.
1746         * omega.h: New.
1747         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1748         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1749         pass_check_data_deps): New.
1750         * tree-data-ref.c (init_data_ref): Remove declaration.
1751         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1752         (analyze_array): Renamed init_array_ref, move up initializations.
1753         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1754         Removed arguments that are set to NULL.
1755         (analyze_indirect_ref): Correct indentation, correct call to
1756         init_pointer_ref.
1757         (object_analysis): Call init_array_ref instead of analyze_array.
1758         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1759         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1760         of DR_ACCESS_FNS_ADDR.
1761         (init_omega_eq_with_af, omega_extract_distance_vectors,
1762         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1763         ddr_consistent_p): New.
1764         (compute_affine_dependence): Check consistency of ddrs when
1765         flag_check_data_deps is passed.
1766         (analyze_all_data_dependences): Uncomment.
1767         (tree_check_data_deps): New.
1768         * tree-data-ref.h: Include omega.h.
1769         (DR_ACCESS_FNS_ADDR): Removed.
1770         (data_dependence_relation): Add inner_loop.
1771         (DDR_INNER_LOOP): New.
1772         * common.opt (fcheck-data-deps): New.
1773         * tree-flow.h (tree_check_data_deps): Declare.
1774         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1775         (OBJS-common): Depend on omega.o.
1776         (omega.o): Define.
1777         * passes.c (pass_check_data_deps): Scheduled.
1778         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1779         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1780         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1781         PARAM_VECT_MAX_VERSION_CHECKS,
1782         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1783
1784 2007-03-09  Richard Guenther  <rguenther@suse.de>
1785
1786         PR tree-optimization/30904
1787         PR middle-end/31058
1788         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1789         the same way as *_DIV_EXPR.
1790
1791 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1792
1793         * recog.c (decode_asm_operands): No mixed declarations and code.
1794
1795 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1796
1797         * rtl.def (ASM_INPUT): Add location.
1798         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1799         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1800         (decode_asm_operands): Add loc operand.
1801         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1802         * stmt.c (expand_asm): Rename to...
1803         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1804         gen_rtx_ASM_INPUT_loc.
1805         (expand_asm_expr): Adjust.
1806         * recog.c (decode_asm_operands): Add loc operand.
1807         (check_asm_operands, extract_insn): Adjust.
1808         * reload1.c (maybe_fix_stack_asms): Likewise.
1809         * final.c (asm_insn_count): Likewise.
1810         (final_scan_insn): Output # line before and after asm.
1811
1812 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1813
1814         * tree-ssa-structalias.c (variable_info): Remove
1815         finished_solution.
1816         (new_var_info): Ditto.
1817         (shared_bitmap_info_t): New structure.
1818         (shared_bitmap_table): New variable.
1819         (shared_bitmap_hash): New function.
1820         (shared_bitmap_eq): Ditto
1821         (shared_bitmap_lookup): Ditto.
1822         (shared_bitmap_add): Ditto.
1823         (merge_smts_into): Change to take bitmap directly.
1824         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1825         (init_alias_vars): Init shared bitmap hashtable.
1826         (delete_points_to_sets): Delete shared bitmap hashtable.
1827         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1828         is_aliased removal as a change that was still necessary was
1829         deleted.
1830
1831 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1832
1833         * config/i386/i386.h (override_options): Conditionally disable
1834         x86_sahf for 64bit targets only.
1835
1836 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1837
1838         PR C/31072
1839         * c-decl.c (merge_decls): Don't call make_var_volatile.
1840         * varasm.c (make_var_volatile): Remove.
1841         * output.h (make_var_volatile): Remove.
1842
1843 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1844
1845         PR tree-optimization/31085
1846         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1847
1848 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1849
1850         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1851         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1852         ATTR_CONST_NOTHROW_LIST.
1853
1854         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1855         FIX_TRUNC_EXPR.
1856
1857 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1858
1859         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1860
1861 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1862
1863         PR 31013
1864         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1865         is declared.
1866         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1867         passed, use shared libgcc.
1868
1869 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1870
1871         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1872         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1873         (honor_protect_cleanup_actions, lower_try_finally_switch):
1874         Likewise.
1875         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1876         ifc_temp_var): Likewise.
1877         * tree-inline.c (setup_one_parameter): Likewise.
1878         * tree-mudflap.c (mf_decl_cache_locals,
1879         mf_build_check_statement_for): Likewise.
1880         * tree-nested.c (init_tmp_var, save_tmp_var,
1881         finalize_nesting_tree_1): Likewise.
1882         * tree-outof-ssa.c (insert_copy_on_edge,
1883         insert_backedge_copies): Likewise.
1884         * tree-profile.c (tree_gen_edge_profiler,
1885         tree_gen_ic_profiler): Likewise.
1886         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1887         * tree-sra.c (sra_build_assignment): Likewise.
1888         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1889         * tree-ssa-math-opts.c (insert_reciprocals,
1890         execute_cse_sincos_1): Likewise.
1891         * tree-tailcall.c (adjust_accumulator_values,
1892         adjust_return_value): Likewise.
1893         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1894         * tree-vect-transform.c (vect_create_data_ref_ptr,
1895         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1896         vect_create_epilog_for_reduction, vectorizable_reduction,
1897         vectorizable_call, vectorizable_conversion,
1898         vectorizable_assignment, vectorizable_operation,
1899         vectorizable_type_demotion, vect_gen_widened_results_half,
1900         vect_permute_store_chain, vectorizable_store,
1901         vect_setup_realignment, vect_permute_load_chain,
1902         vectorizable_load, vectorizable_condition,
1903         vect_create_cond_for_align_checks): Likewise.
1904         * tree-vrp.c (build_assert_expr_for): Likewise.
1905
1906 2007-03-08  Ian Lance Taylor  <iant@google.com>
1907
1908         * tree-vrp.c: Include "intl.h".
1909         (usable_range_p): New static function.
1910         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1911         overflowed values, juts set *strict_overflow_p.
1912         (compare_values): Only return -2 if one of the operands is not a
1913         constant.
1914         (compare_ranges): Call usable_range_p.
1915         (compare_range_with_value): Likewise.
1916         (vrp_evaluate_conditional_warnv): Rename from
1917         vrp_evaluate_conditional.  Make static.  Change all callers.
1918         (vrp_evaluate_conditional): New function.
1919         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1920         on signed overflow.
1921         (simplify_abs_using_ranges): Likewise.
1922         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1923         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1924         within_stmt parameter.
1925         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1926         vrp_evaluate_conditional.
1927         * tree-ssa-threadedge.c
1928         (record_temporary_equivalences_from_stmts_at_dest): Change
1929         simplify parameter to take a second tree parameter.
1930         (simplify_control_stmt_condition): Likewise.
1931         (thread_across_edge): Likewise.
1932         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1933         (thread_across_edge): Likewise.
1934         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1935
1936 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1937
1938         * config/i386/i386.h (TARGET_SAHF): New define.
1939         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1940         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1941         (x86_sahf): New global variable.
1942         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1943         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1944         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1945         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1946         for 64-bit.
1947         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1948         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1949         when expanding fcomi/sahf based tests.
1950         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1951         expanding sahf based alternative. Emit sahf based sequence when
1952         optimizing for code size.
1953         * config/i386/i386.md (x86_sahf_1): Do not disable for
1954         TARGET_64BIT, enable for TARGET_SAHF.
1955
1956 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1957
1958         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1959         spurious whitespace from error message.
1960
1961 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1962
1963         PR c++/30852
1964         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1965
1966 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1967
1968         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1969         bitfields.
1970         * tree-sra.c (instantiate_element): Propagate disabled warnings
1971         from the element itself to the created variable.
1972
1973 2007-03-07  Richard Henderson  <rth@redhat.com>
1974
1975         PR target/30848
1976         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1977         silently fix up the stack in the case of a missing register.
1978
1979 2007-03-07  Paul Brook  <paul@codesourcery.com>
1980
1981         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1982
1983 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1984
1985         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1986         New.
1987         (phase1_vrs): Use them.
1988         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1989         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1990         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1991         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1992         __gnu_Unwind_Restore_WMMXC if required.
1993         (_Unwind_VRS_Pop): Implement iWMMXt support.
1994         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1995         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1996         gnu_Unwind_Save_WMMXC): Define.
1997
1998 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1999
2000         * config/vxworks.h (vxworks_override_options): Declare.
2001         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2002         * config/vxworks.c: Include target.h and toplev.h.
2003         (vxworks_override_options): New function.
2004         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2005
2006 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2007
2008         * config/s390/s390.c (override_options): Don't emit an error when
2009         -mstack-size is used without providing -mstack-guard.
2010         (s390_emit_prologue): Choose stack_guard value automatically if not
2011         provided via command line.
2012         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2013
2014 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2015
2016         * config/i386/i386.c (output_set_got): Add a GOT initialization
2017         sequence for VxWorks PIC.
2018         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2019         around labels as well as symbols.  Use gotoff_operand instead
2020         of local_symbolic_operand.
2021         (legitimize_pic_address): Use gotoff_operand instead of
2022         local_symbolic_operand.  Use @GOT accesses for labels as
2023         well as symbols.
2024         (ix86_output_addr_diff_elt): Use PC-relative rather than
2025         GP-relative offsets for VxWorks PIC.
2026         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2027         no_new_pseudos.  Check whether the returned register is op0.
2028         * config/i386/i386.md (tablejump): Use PC-relative rather than
2029         GP-relative offsets for VxWorks PIC.
2030         * config/i386/predicates.md (gotoff_operand): New predicate.
2031
2032 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2033
2034         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2035         before defining.
2036         * config/vxworks-dummy.h: New file.
2037         * config/i386/i386.h: Include it.
2038
2039 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2040
2041         * dwarf2out.c (is_inlined_entry_point): New
2042         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2043         DW_AT_ranges if the first subblock is the entry point.
2044
2045 2007-03-06  David Daney  <ddaney@avtrex.com>
2046
2047         * doc/install.texi (mips-*-*): Change recommended binutils
2048         version.
2049
2050 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2051
2052         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2053         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2054         devices.
2055         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2056         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2057
2058 2007-03-06  Jan Hubicka  <jh@suse.cz>
2059
2060         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2061         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2062         are hot.
2063         (probably_cold_bb_p): Cold functions are cold.
2064         (probably_never_executed_bb_p): Cold functions are cold.
2065         (tree_bb_level_predictions): Predict calls to cold functions as not
2066         taken.
2067         (compute_function_frequency): Check hot/cold attributes.
2068         * function.h (function_frequency): Update comments.
2069         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2070         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2071         (c_common_att): Add cold and hot.
2072
2073         * doc/extend.texi (hot,cold attributes): Document.
2074
2075 2007-03-06  Andrew Haley  <aph@redhat.com>
2076
2077         * function.c (expand_function_end): Move blockage to just after we
2078         emit the label for the naked return from the function.
2079
2080 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2081
2082         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2083         before redefining.
2084
2085 2007-03-06  Jan Hubicka  <jh@suse.cz>
2086
2087         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2088         loaded for constant large models.  Non-large 64bit PIC can do.
2089         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2090         * cmodel.h: Add LARGE PIC.
2091         * i386.md (UNSPEC_PLTOFF): New.
2092         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2093         needed.
2094         (*call_1_rex64): Disable for large models.
2095         (*call_1_rex64_large): New.
2096         (*call_value_1_rex64): Disable for large models.
2097         (*call_value_1_rex64_large): New.
2098         (set_rip_rex4): New.
2099         (set_got_offset_rex64): New.
2100         * predicates.md (constant_call_address_operand): For large model
2101         constant calls are not possible.
2102         * i386-protos.h (construct_plt_address): Declare.
2103         * i386.c (override_options): Accept large models.
2104         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2105         (legitimate_constant_p): Add new UNSPECs.
2106         (legitimate_pic_operand_p): Likewise.
2107         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2108         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2109         non-large model.
2110         (output_pic_addr_const): Add PLTOFF.
2111         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2112         (ix86_expand_move): Legitimize pic address when in PIC mode.
2113         (construct_plt_address): New function.
2114         (ix86_expand_call): Offload the address to register and use GOT pointer
2115         for large model.
2116         * invoke.texi (mcmodel=large): Update documentation.
2117
2118 2007-03-06  Richard Henderson  <rth@redhat.com>
2119
2120         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2121         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2122         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2123         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2124         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2125         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2126         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2127         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2128         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2129         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2130         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2131         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2132         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2133         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2134         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2135         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2136         x86_schedule, x86_use_bt, x86_pad_returns,
2137         x86_use_xchgb): Merge into ...
2138         (ix86_tune_features): ... here.  New array.
2139         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2140         x86_bswap): Merge into ...
2141         (ix86_arch_features): ... here.  New array.
2142         (x86_3dnow_a): Remove.
2143         (x86_accumulate_outgoing_args): Make static.
2144         (x86_arch_always_fancy_math_387): Make static.
2145         (ix86_tune_mask, ix86_arch_mask): Move ...
2146         (override_options): ... to local variables here.  Apply the
2147         appropriate mask to each element of ix86_arch_features and
2148         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2149         as were done in the old macros.
2150         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2151         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2152         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2153         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2154         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2155         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2156         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2157         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2158         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2159         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2160         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2161         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2162         x86_accumulate_outgoing_args, x86_prologue_using_move,
2163         x86_epilogue_using_move, x86_decompose_lea,
2164         x86_arch_always_fancy_math_387, x86_shift1,
2165         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2166         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2167         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2168         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2169         x86_use_incdec, x86_pad_returns, x86_bswap,
2170         x86_partial_flag_reg_stall): Remove.
2171         (enum ix86_tune_indices): New.
2172         (ix86_tune_features): New.
2173         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2174         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2175         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2176         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2177         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2178         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2179         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2180         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2181         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2182         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2183         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2184         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2185         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2186         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2187         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2188         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2189         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2190         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2191         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2192         TARGET_EXT_80387_CONSTANTS): Use it.
2193         (enum ix86_arch_indices): New.
2194         (ix86_arch_features): New.
2195         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2196         TARGET_BSWAP): Use it.
2197         (ix86_tune_mask, ix86_arch_mask): Remove.
2198
2199 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2200
2201         PR bootstrap/31020
2202         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2203         Define using $${sysroot_headers_suffix}.
2204         * configure: Regenerate.
2205         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2206         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2207         defined.
2208         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2209         * gcc.c (print_sysroot_headers_suffix): New.
2210         (option_map): Include --print-sysroot-headers-suffix.
2211         (display_help): Mention -print-sysroot-headers-suffix.
2212         (process_command): Handle -print-sysroot-headers-suffix.
2213         (do_spec_1): Append multilib directory to include-fixed path if
2214         sysroot suffixes in use.
2215         (main): Handle -print-sysroot-headers-suffix.
2216         * Makefile.in (start.encap): Don't depend on xlimits.h
2217         (xlimits.h): Remove.
2218         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2219         limits.h for each multilib in fixinc_list.
2220         (fixinc_list, s-fixinc_list): New.
2221         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2222         generate them for each multilib in fixinc_list.
2223         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2224         multilib in fixinc_list.
2225         (mostlyclean): Don't remove xlimits.h.
2226         (clean): Remove include-fixed.
2227         (real-install-headers-tar, real-install-headers-cpio,
2228         real-install-headers-cp): Don't copy include, only include-fixed.
2229         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2230         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2231         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2232         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2233
2234 2007-03-06  Jan Hubicka  <jh@suse.cz>
2235
2236         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2237         NANs easilly.
2238
2239 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2240
2241         * configure.ac: Allow tm_file to contain build-directory files.
2242         * configure: Regenerate.
2243         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2244         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2245         * config/m68k/print-sysroot-suffix.sh: New file.
2246
2247 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2248
2249         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2250         of pic_offset_table_rtx if reload_completed.
2251         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2252         PIC_OFFSET_TABLE_REGNUM.
2253         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2254         return true.
2255         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2256         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2257
2258 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2259
2260         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2261         functions that call eh_return.
2262
2263 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2264
2265         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2266         functions that need a constant pool.
2267
2268 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2269
2270         PR target/28181
2271         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2272         (m68k_preferred_reload_class): Likewise.
2273         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2274         (SECONDARY_RELOAD_CLASS): Define.
2275         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2276         (LIMIT_RELOAD_CLASS): Delete.
2277         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2278         registers from storing bytes.
2279         (m68k_secondary_reload_class): New function.
2280         (m68k_preferred_reload_class): Likewise.
2281
2282 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2283
2284         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2285         leaf functions.
2286         (m68k_expand_prologue): Likewise.
2287
2288 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2289
2290         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2291         (mips_expand_epilogue): Add a bool parameter.
2292         (m68k_legitimize_sibcall_address): Declare.
2293         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2294         (m68k_expand_epilogue): Add a parameter to select between sibling
2295         and normal epilogues.  Only generate a return for the latter.
2296         (m68k_ok_for_sibcall_p): New function.
2297         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2298         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2299         (sibcall_value, *sibcall_value): Likewise.
2300         (*call, *call_value): Require !SIBLING_CALL_P.
2301         (epilogue): Update call to m68k_expand_epilogue.
2302         (sibcall_epilogue): New pattern.
2303         * config/m68k/predicates.md (const_call_operand): Say that this
2304         predicate applies to sibling calls too.
2305         (sibcall_operand): New predicate.
2306
2307 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2308
2309         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2310         alternatives as movsi_cf.
2311         (movsf_cf_hard): Add commentary.
2312
2313 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2314             Richard Sandiford  <richard@codesourcery.com>
2315
2316         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2317         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2318         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2319         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2320         as being live on exit from an interrupt function.
2321         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2322         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2323         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2324         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2325         (m68k_interrupt_function_p): Globalize.
2326         (m68k_compute_frame_layout): Remove reverse mask code.
2327         (m68k_emit_movem, m68k_set_frame_related): New functions.
2328         (m68k_output_function_prologue): Delete in favor of...
2329         (m68k_expand_prologue): ...this new function.
2330         (m68k_output_function_epilogue): Delete in favor of...
2331         (m68k_expand_epilogue): ...this new function.
2332         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2333         functions.
2334         (print_operand): Handle %?.
2335         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2336         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2337         (prologue, epilogue): New patterns.
2338         (return): Turn into a define_expand.
2339         (*return): New pattern, derived from old "return" pattern.  Use rte
2340         rather than rts for interrupt functions.  Only use rtd if the pop
2341         count is nonzero.
2342         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2343         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2344         (link, *link, unlink, *unlink, load_got): Likewise.
2345
2346 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2347
2348         PR target/23482
2349         PR target/17114
2350         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2351         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2352         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2353         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2354         and m68k_matches_u_p.
2355         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2356         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2357         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2358         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2359         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2360         (REG_STRICT_P): New macro.
2361         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2362         PCREL_GENERAL_OPERAND_OK.
2363         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2364         m68k_legitimate_base_reg_p.
2365         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2366         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2367         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2368         * config/m68k/m68k.c (m68k_address): New structure.
2369         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2370         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2371         (m68k_jump_table_ref_p, m68k_decompose_address)
2372         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2373         (m68k_matches_u_p): New functions.
2374         (print_operand_address): Rewrite to use m68k_decompose_index.
2375
2376 2007-03-05  David Taylor  <dtaylor@emc.com>
2377
2378         * gcc.c: Correct copyright date in --version output.
2379
2380 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2381
2382         * pa.md: In unamed move patterns, disparge copies between general
2383         and floating point registers using '?' modifier.  Don't include 'f'
2384         constraint for register preferences in DImode, SImode, HImode and
2385         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2386         Remove constraints for copies between general and floating registers
2387         in soft-float DFmode pattern.
2388         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2389         floating register.
2390         (movsf): Likewise.
2391
2392 2007-03-05  Mike Stump  <mrs@apple.com>
2393
2394         * c-common.c (targetcm): Add.
2395         * c-opts.c (c_common_handle_option): Handle language specific
2396         target options.
2397         * opts.c (handle_option): Verify language for target options, if
2398         any are given.
2399         * opth-gen.awk: Add CL_LANG_ALL.
2400         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2401         (TARGETCM_INITIALIZER): Add.
2402         * target.h (struct gcc_targetcm): Add.
2403         (targetcm): Add.
2404         * targhooks.c (default_handle_c_option): Add.
2405         * targhooks.h (default_handle_c_option): Add.
2406         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2407
2408         * config/darwin.opt (iframework): Add.
2409         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2410         * config/darwin-c.c (handle_c_option): Add.
2411         (TARGET_HANDLE_C_OPTION): Add.
2412         (targetcm): Add.
2413         * doc/invoke.texi (Darwin Options): Add -iframework.
2414
2415 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2416
2417         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2418         conversion.
2419
2420 2007-03-05  Ian Lance Taylor  <iant@google.com>
2421
2422         * c.opt (fgnu89-inline): New option.
2423         * c-opts.c (c_common_post_options): Set default value for
2424         flag_gnu89_inline.
2425         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2426         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2427         inline functions.
2428         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2429         (grokdeclarator, start_function): Likewise.
2430         * c-cppbuiltin.c (c_cpp_builtins): Define either
2431         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2432         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2433         (C Dialect Options): Document -fgnu89-inline.
2434         * doc/extend.texi (Function Attributes): Explain what the
2435         gnu_inline attribute does.
2436         * doc/cpp.texi (Common Predefined Macros): Document
2437         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2438
2439 2007-03-05  Ian Lance Taylor  <iant@google.com>
2440
2441         PR tree-optimization/31034
2442         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2443         half-range if the other side is an overflow infinity.
2444
2445 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2446
2447         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2448         (bfin*-linux-uclibc*): New configuration.
2449         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2450         defining.
2451         * config/bfin/linux.h: New file.
2452         * config/bfin/libgcc-bfin.ver: New file.
2453         * config/bfin/t-bfin-uclinux: New file.
2454         * config/bfin/t-bfin-linux: New file.
2455         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2456         (TARGET_OS_CPP_BUILTINS): New macro.
2457
2458 2007-03-05  Richard Guenther  <rguenther@suse.de>
2459
2460         * fold-const.c (fold_binary): Remove duplicate folding
2461         of comparison of non-null ADDR_EXPR against null.
2462
2463 2007-03-05  Richard Guenther  <rguenther@suse.de>
2464             Dorit Nuzman  <dorit@il.ibm.com>
2465
2466         PR tree-optimization/26420
2467         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2468         are no loops in the function.  Only print the number of
2469         vectorized loops if it is greater than zero or we are supposed
2470         to print information about unvectorized loops.
2471
2472 2007-03-05  Revital Eres  <eres@il.ibm.com>
2473
2474         * gcc.dg/var-expand1.c: New test.
2475         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2476         when an accumulator is expanded.
2477
2478 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2479
2480         PR other/30465
2481         * c-common.c (convert_and_check): Don't give warnings for
2482         conversion if 'expr' already overflowed.
2483
2484 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2485
2486         PR middle-end/30744
2487         * fold-const.c (fold_comparison): Enforce type consistency when
2488         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2489
2490 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2491
2492         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2493         containing a cast to the base of TARGET_MEM_REF.
2494
2495 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2496
2497         * tree.c (tree_contains_struct_check_failed): Remove spurious
2498         whitespace from error message.
2499
2500 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2501
2502         PR target/30406
2503         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2504         instead of precision.
2505
2506 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2507             Nathan Sidwell  <nathan@codesourcery.com>
2508
2509         * emit-rtl.c (find_auto_inc): New.
2510         (try_split): recreate REG_INC notes,
2511         Use regular for loops rather than whiles.
2512
2513 2007-03-03  Andreas Schwab  <schwab@suse.de>
2514
2515         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2516         * configure: Regenerate.
2517
2518 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2519
2520         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2521         flag_rounding_math, not flag_unsafe_math_optimizations.
2522
2523         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2524         fold_build2.
2525         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2526         alpha_fold_vector_minmax): Likewise.
2527         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2528         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2529
2530 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2531
2532         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2533         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2534         if the lhs has side-effects.
2535         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2536
2537 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2538
2539         * config/i386/i386.h (TUNEMASK): Remove define.
2540         (ARCHMASK): Remove define.
2541         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2542          Use ix86_arch_mask variable instead of ARCHMASK.
2543         * config/i386/i386.c (override_options): Ditto.
2544         (standard_80387_constant_p): Ditto.
2545
2546 2007-03-02  Ian Lance Taylor  <iant@google.com>
2547
2548         Used signed infinities in VRP.
2549         * tree-vrp.c (uses_overflow_infinity): New static function.
2550         (supports_overflow_infinity): New static function.
2551         (make_overflow_infinity): New static function.
2552         (negative_overflow_infinity): New static function.
2553         (positive_overflow_infinity): New static function.
2554         (is_negative_overflow_infinity): New static function.
2555         (is_positive_overflow_infinity): New static function.
2556         (is_overflow_infinity): New static function.
2557         (overflow_infinity_range_p): New static function.
2558         (compare_values_warnv): New function split out of compare_values.
2559         (compare_value): Call it.
2560         (set_value_range_to_nonnegative): Add overflow_infinity
2561         parameter.  Change caller.
2562         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2563         Change callers.
2564         (vrp_expr_computes_nonzero): Likewise.
2565         (compare_ranges, compare_range_with_value): Likewise.
2566         (compare_name_with_value, compare_names): Likewise.
2567         (vrp_evaluate_conditional): Likewise.
2568         (set_value_range): Handle infinity
2569         (vrp_operand_equal_p, operand_less_p): Likewise.
2570         (extract_range_from_assert): Likewise.
2571         (vrp_int_const_binop): Likewise.
2572         (extract_range_from_binary_expr): Likewise.
2573         (extract_range_from_unary_expr): Likewise.
2574         (extract_range_from_comparison): Likewise.
2575         (extract_range_from_expr): Likewise.
2576         (dump_value_range): Likewise.
2577         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2578         (test_for_singularity): Likewise.
2579         (vrp_int_const_binop): Remove inline qualifier.
2580         (adjust_range_with_scev): Add comment.
2581         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2582
2583 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2584
2585         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2586         (get_constraint_for): Likewise.
2587         (do_structure_copy): Likewise.
2588         (find_func_aliases): Fix references to MODIFY_EXPR.
2589         (intra_create_variable_infos): Tidy.
2590         * tree-ssa-operands.c (add_virtual_operand): Add argument
2591         IS_CALL_SITE.
2592         When adding members of alias sets, if IS_CALL_SITE is true and
2593         the symbol is not call-clobbered, skip it.
2594         Adjust all callers.
2595
2596 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2597
2598         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2599         entry by means of emit_insn_at_entry.
2600
2601 2007-03-02  Richard Henderson  <rth@redhat.com>
2602
2603         * expr.h (promoted_input_arg): Remove decl.
2604         * function.c (promoted_input_arg): Merge into ...
2605         * combine.c (setup_incoming_promotions): ... only caller.
2606         Rearrange to avoid double loop.
2607
2608 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2609             Peter Bergner  <bergner@vnet.ibm.com>
2610             Janis Johnson  <janis187@us.ibm.com>
2611
2612         * config/rs6000/dfp.md: New file.
2613         * config/rs6000/rs6000.md: Include dfp.md.
2614         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2615         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2616         and TDmode decimal float modes in FP registers.
2617         (num_insns_constant): Likewise.
2618         (rs6000_legitimate_offset_address_p): Likewise.
2619         (rs6000_legitimize_address): Likewise.
2620         (rs6000_legitimize_reload_address): Likewise.
2621         (rs6000_legitimate_address): Likewise.
2622         (rs6000_emit_move): Likewise.
2623         (function_arg_boundary): Likewise.
2624         (function_arg_advance): Likewise.
2625         (rs6000_darwin64_record_arg_recurse): Likewise.
2626         (function_arg): Likewise.
2627         (rs6000_gimplify_va_arg): Likewise.
2628         (rs6000_split_multireg_move): Likewise.
2629         (rs6000_output_function_epilogue): Likewise.
2630         (rs6000_output_function_epilogue): Likewise.
2631         (rs6000_register_move_cost): Likewise.
2632         (rs6000_function_value): Likewise.
2633         (rs6000_libcall_value): Likewise.
2634
2635 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2636
2637         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2638
2639 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2640
2641         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2642         Use $MULTIDIR to choose between the kernel and RTP headers,
2643         and use $WIND_BASE and $WIND_USR to locate them.
2644
2645 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2646
2647         * config/i386/i386.c (override_options): Put initialization of
2648         ix86_tune_mask and ix86_arch_mask to the correct place.
2649
2650 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2651             Michael Meissner  <michael.meissner@amd.com>
2652
2653         PR target/31019
2654         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2655         (ARCHMASK): Define.
2656         (TARGET_CMOVE): Use ARCHMASK.
2657         (TARGET_CMPXCHG): Ditto.
2658         (TARGET_CMPXCHG8B): Ditto.
2659         (TARGET_XADD): Ditto.
2660         (TARGET_BSWAP): Ditto.
2661         * config/i386/i386.c (ix86_tune_mask): New global variable.
2662         (ix86_arch_mask): Ditto.
2663         (override_options): Initialize ix86_tune_mask and
2664         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2665         target_flags.
2666
2667 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2668
2669         PR 30992
2670         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2671
2672 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2673
2674         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2675         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2676         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2677         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2678         hook.
2679         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2680         rs6000_init_dwarf_reg_sizes_extra): New.
2681         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2682         SPE register high parts.
2683
2684 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2685
2686         * Makefile.in: Add install-pdf target as
2687         copied from automake v1.10 rules.
2688         * configure.ac: Add install-pdf to target list.
2689         * configure: Regenerate.
2690
2691 2007-03-01  Paul Brook  <paul@codesourcery.com>
2692
2693         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2694         modes to LDRD for DImode.
2695         (output_move_double): Fixup out of range ldrd/strd.
2696         (vfp_secondary_reload_class): Rename...
2697         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2698         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2699         coproc_secondary_reload_class for CLASS_IWMMXT.
2700         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2701         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2702
2703 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2704
2705         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2706         factor by the estimated number of iterations.
2707         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2708         prefetch latency.
2709
2710         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2711         decode_caches_intel, detect_caches_intel): New functions.
2712         (host_detect_local_cpu): Use detect_caches_amd and
2713         detect_caches_intel.
2714
2715 2007-03-01  Richard Henderson  <rth@redhat.com>
2716
2717         * expr.c (emit_move_complex_push): Export.
2718         (emit_move_complex_parts): Split out from ...
2719         (emit_move_complex): ... here.
2720         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2721         * config/i386/i386.md (movcdi): New.
2722
2723 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2724
2725         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2726         size of mode1 to check for tieable modes in MMX case.
2727
2728 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2729
2730         * Makefile.in (rtlanal.o): Depend on tree.h.
2731         * rtl.h (offset_within_section_p, split_const): Declare.
2732         * rtlanal.c: Include tree.h.
2733         (offset_within_block_p): New function, taken from
2734         mips_offset_within_object_p.
2735         (split_const): New function, taken from mips_split_const.
2736         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2737         Declare.
2738         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2739         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2740         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2741         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2742         (m68k_illegitimate_symbolic_constant_p): New function.
2743         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2744         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2745         symbolic constant that might be outside the symbol's section,
2746         move the symbol first and then add the offset.
2747         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2748         Override.
2749         * config/mips/mips.c (mips_split_const): Delete.
2750         (mips_offset_within_object_p): Delete.
2751         (mips_symbolic_constant_p): Use offset_within_section_p and
2752         split_const instead of mips_offset_within_object_p and
2753         mips_split_const.
2754         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2755         (mips_legitimize_const_move, print_operand_reloc)
2756         (mips_dangerous_for_la25_p): Use split_const instead of
2757         mips_split_const.
2758
2759 2007-02-28  Eric Christopher  <echristo@apple.com>
2760
2761         * Makefile.in (install-include-dir): Don't rm -rf include.
2762
2763 2007-02-28  Richard Guenther  <rguenther@suse.de>
2764
2765         PR middle-end/30364
2766         * fold-const.c (fold_binary): Do not associate expressions
2767         with more than one variable for integer types that do not wrap.
2768
2769 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2770
2771         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2772         Delete, and replace with...
2773         (fold_builtin_call_array): This.  Update callers to use it.
2774         * fold-const.c (fold_build_call_list): Delete, and replace with...
2775         (fold_build_call_array): This.
2776         (fold_build_call_list_initializer): Delete, and replace with...
2777         (fold_build_call_array_initializer): This.
2778         * tree.h: Update declarations to reflect above changes.
2779
2780         * c-typeck.c (build_function_call): Store converted arguments
2781         in a stack-allocated array instead of building a list.
2782         (convert_arguments): Store arguments in the array passed in as an
2783         argument, and return the actual number of arguments.
2784         * c-format.c: (check_function_format): Pass arguments in an
2785         array instead of a list.
2786         * c-common.c (check_function_nonnull): Likewise.
2787         (check_function_sentinel): Likewise.
2788         (check_function_arguments): Likewise.
2789         * c-common.h: Update declarations to reflect above changes.
2790
2791 2007-02-28  Jan Hubicka  <jh@suse.cz>
2792
2793         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2794         PRED_NEGATIVE_RETURN): Update outcomes.
2795
2796 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2797
2798         * calls.c (emit_library_call_value_1): Handle partial registers
2799         correctly when building up CALL_INSN_FUNCTION_USAGE.
2800
2801 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2802
2803         * pa/predicates.md (move_src_operand): Allow zero for mode.
2804         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2805         move pattern.
2806
2807 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2808
2809         PR target/30970
2810         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2811         *movv2df_internal): Enable pattern only for valid operand
2812         combinations.
2813         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2814         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2815
2816 2007-02-27  Mike Stump  <mrs@apple.com>
2817
2818         * config/darwin-crt3.c: Avoid compilation when compiling for a
2819         kext multilib.
2820
2821 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2822
2823         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2824         FIXED_INCLUDE_DIR.
2825         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2826         for fixed headers and limits.h.
2827         (install-include-dir, install-headers-tar, install-headers-cpio,
2828         install-headers-cp, real-install-headers-tar,
2829         real-install-headers-cpio, real-install-headers-cp): Handle
2830         include-fixed as well as include.
2831         (install-mkheaders): Don't install files that go only in include
2832         not include-fixed.
2833         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2834         from GCC_INCLUDE_DIR.
2835         * gcc.c (process_command): Remove special -BstageN/ handling.
2836         (do_spec_1): Add include-fixed directories.
2837
2838 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2839
2840         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2841         _smulsi3_highpart.
2842         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2843         New functions.
2844         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2845         patterns.
2846
2847 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2848
2849         * c-common.c (get_priority): Add check for
2850         SUPPORTS_INIT_PRIORITY.
2851
2852 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2853
2854         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2855
2856         * config/bfin/bfin.c: Include "cfglayout.h".
2857         (MAX_LSETUP_DISTANCE): New macro.
2858         (struct loop_info): New members incoming, incoming_src and
2859         incoming_dest.  Delete member predecessor.
2860         (length_for_loop): New function.
2861         (bfin_optimize_loop): Handle more different loop structures.
2862         (bfin_discover_loop): Rework detection of predecessor blocks by
2863         examining incoming edges.
2864         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2865         bfin_reorg_loops.
2866         (bfin_reorder_loops): New function.
2867         (bfin_reorg_loops): Use these three new functions.
2868
2869         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2870         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2871         (CONSTRAINT_LEN): Add entry for 'q'.
2872         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2873         Add 'q' constraints.
2874         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2875         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2876
2877         * config/bfin/bfin.md (add_with_carry): New pattern.
2878         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2879         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2880         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2881         support unsigned multiplies too.  Removed incorrect commutativity from
2882         operand 1 constraint where appropriate.
2883         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2884         patterns.
2885         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2886         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2887         New patterns.
2888         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2889         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2890         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2891         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2892         usmulhisi_hh_huh): New patterns.
2893
2894         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2895         lshifthi3): Fix output template to use half reg for operand 2.
2896
2897         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2898         instead of R2.
2899
2900         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2901
2902 2007-02-27  Andreas Schwab  <schwab@suse.de>
2903
2904         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2905
2906 2007-02-27  Jan Hubicka  <jh@suse.cz>
2907
2908         * predict.c (last_basic_block_p): Remove.
2909         (tree_estimate_probability): Update return heuristic for commonized
2910         return blocks.
2911
2912 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2913
2914         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2915
2916 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2917
2918         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2919         * doc/cpp.texi: Standardize title page.
2920         * doc/cppinternals.texi: Likewise.
2921         * doc/gcc.texi: Standardize title page, remove version number
2922         from copyright page.
2923         * doc/gccint.texi: Likewise.
2924         * doc/install.texi: Standardize title page, add table of
2925         contents.
2926
2927 2007-02-26  Jan Hubicka  <jh@suse.cz>
2928
2929         * predict.def: Set outcomes according to more recent results.
2930         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2931         Remove dead predictors.
2932         * predict.c (return_prediction): Fix pasto.
2933
2934 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2935
2936         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2937         change; avoid a memory leak when returning early.
2938
2939 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2940
2941         * c-decl.c (static_ctors): Move to c-common.c.
2942         (static_dtors): Likewise.
2943         (finish_function): Use c_record_cdtor_fn.
2944         (build_cdtor): Move to c-common.c.
2945         (c_write_global_declarations): Use c_build_cdtor_fns.
2946         * c-common.h (static_ctors): Declare.
2947         (static_dtors): Likewise.
2948         (c_record_cdtor_fn): Likewise.
2949         (c_build_cdtor_fns): Likewise.
2950         * c-common.c (static_ctors): New variable.
2951         (static_dtors): Likewise.
2952         (c_record_cdtor_fn): New function.
2953         (build_cdtor): Move from c-decl.c
2954         (c_build_cdtor_fns): New function.
2955
2956         * output.h (assemble_addr_to_section): Declare.
2957         (get_cdtor_priority_section): Likewise.
2958         * varasm.c (assemble_addr_to_section): New function.
2959         (get_cdtor_priority_section): Likewise.
2960         (default_named_section_asm_out_destructor): Use them.
2961         (destor_dtor_section_asm_out_destructor): Likewise.
2962         (default_named_section_asm_out_constructor): Likewise.
2963         (default_ctor_section_asm_out_constructor): Likewise.
2964         * config.gcc (*-*-vxworks*): Include vxworks.o.
2965         * config/t-vxworks (vxworks.o): New target.
2966         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2967         (TARGET_ASM_CONSTRUCTOR): Define.
2968         (TARGET_ASM_DESTRUCTOR): Likewise.
2969         (vxworks_asm_out_constructor): Declare.
2970         (vxworks_asm_out_destructor): Likewise.
2971
2972         * c-common.c (get_priority): Check that we have not just an
2973         INTEGER_CST, but an integer constant with integeral type.
2974
2975 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2976
2977         PR tree-optimization/30938
2978         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2979         use &dt[nargs-1] instead of &dt[nargs] in the call to
2980         vect_is_simple_use().
2981
2982 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2983
2984         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2985         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2986         Do not attempt to handle MEM inside auto-inc expressions.
2987         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2988         of a register modified by an auto-inc expression.  However, do handle
2989         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2990         (elimination_effects): Prohibit elimination of a register modified
2991         by an auto-inc expression.  Disable register elimination rules whose
2992         target register is modified by an auto-inc expression with variable
2993         increment.
2994
2995 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2996
2997         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2998         off-by-one error.
2999         (array_at_struct_end_p): New function.
3000         (idx_infer_loop_bounds): Use it.
3001         (estimate_numbers_of_iterations_loop): Export.
3002         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3003         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3004         (tree_estimate_probability): Call record_loop_exits.
3005         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3006         (estimated_loop_iterations, estimated_loop_iterations_int,
3007         estimated_loop_iterations_tree): New functions.
3008         (analyze_siv_subscript_cst_affine,
3009         compute_overlap_steps_for_affine_1_2,
3010         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3011         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3012         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3013         (PRED_LOOP_ITERATIONS_GUESSED): New.
3014         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3015         * cfgloop.h (estimate_numbers_of_iterations_loop,
3016         estimated_loop_iterations_int): Declare.
3017
3018 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3019
3020         * doc/extend.texi: Document optional priority argument to
3021         constructors and destructors.
3022         * tree.c (init_priority_for_decl): Adjust GTY markers.
3023         (init_ttree): Use priority-info hash functions for
3024         init_priority_for_decl.
3025         (tree_map_eq): Rename to ...
3026         (tree_map_base_eq): ... this.
3027         (tree_map_marked_p): Rename to ...
3028         (tree_map_base_marked_p): ... this.
3029         (tree_map_base_hash): New function.
3030         (decl_init_priority_lookup): Rework.
3031         (decl_fini_priority_lookup): New function.
3032         (decl_priority_info): New function.
3033         (decl_init_priority_insert): Use it.
3034         (decl_fini_priority_insert): Likewise.
3035         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3036         hierarchy.
3037         (decl_restrict_base_insert): Likewise.
3038         (decl_debug_expr_insert): Likewise.
3039         (decl_value_expr_lookup): Likewise.
3040         (decl_value_expr_insert): Likewise.
3041         * tree.h (priority_type): New type.
3042         (decl_init_priority_lookup): Use priority_type.
3043         (decl_fini_priority_lookup): New function.
3044         (decl_init_priority_insert): Use priority_type.
3045         (decl_fini_priority_insert): New function.
3046         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3047         (DECL_INIT_PRIORITY): Likewise.
3048         (SET_DECL_INIT_PRIORITY): Add comment.
3049         (DECL_FINI_PRIORITY): New macro.
3050         (SET_DECL_FINI_PRIORITY): Likewise.
3051         (DEFAULT_INIT_PRIORITY): Document.
3052         (MAX_INIT_PRIORITY): Likewise.
3053         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3054         (tree_map_base): New type.
3055         (tree_map_base_eq): New function.
3056         (tree_map_base_hash): Likewise.
3057         (tree_map_base_marked_p): Likewise.
3058         (tree_map): Inherit from tree_map_base.
3059         (tree_map_eq): Make it a macro.
3060         (tree_map_marked_p): Likewise.
3061         (tree_int_map): Inherit from tree_map_base.
3062         (tree_int_map_eq): Make it a macro.
3063         (tree_int_map_hash): Likewise.
3064         (tree_int_map_marked_p): Likewise.
3065         (tree_priority_map): New type.
3066         (tree_priority_map_eq): New macro.
3067         (tree_priority_map_hash): Likewise.
3068         (tree_priority_map_marked_p): Likewise.
3069         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3070         hierarchy.
3071         (emutls_common_1): Likewise.
3072         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3073         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3074         of tree_map hierarchy.
3075         * tree-cfg.c (move_stmt_r): Likewise.
3076         (new_label_mapper): Likewise.
3077         * c-tree.h (c_expand_body): Move to ...
3078         * c-common.h (c_expand_body): ... here.
3079         * c-decl.c (c_expand_body): Move to ...
3080         * c-common.c (c_expand_body): ... here.
3081         (c_common_attribute_table): Allow 1 argument for the constructor
3082         and destructor attributes.
3083         (get_priority): New function.
3084         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3085         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3086
3087 2007-02-24  Jan Hubicka  <jh@suse.cz>
3088
3089         PR middle-end/30509
3090         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3091
3092 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3093             Jan Hubicka  <jh@suse.cz>
3094
3095         PR target/30778
3096         * i386.c (counter_mode): New function.
3097         (expand_set_or_movmem_via_loop): Use it.
3098         (expand_movmem_epilogue): Likewise; fix pasto.
3099         (ix86_expand_movmem): Do emit guard even for constant counts.
3100         (ix86_expand_setmem): Likewise.
3101
3102 2007-02-25  Nick Clifton  <nickc@redhat.com>
3103
3104         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3105         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3106
3107 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3108
3109         PR target/30770
3110         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3111         count argument with 0x10, not with 0x16.
3112         (expand_setmem_epilogue): Ditto.
3113
3114 2007-02-24  Mike Stump  <mrs@apple.com>
3115
3116         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3117         symbols.
3118
3119 2007-02-24  Richard Guenther  <rguenther@suse.de>
3120
3121         PR middle-end/30951
3122         * fold-const.c (fold_binary): Fold x +- CST op x for
3123         EQ_EXPR and NE_EXPR.
3124
3125 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3126
3127         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3128
3129 2007-02-24  Jan Hubicka  <jh@suse.cz>
3130
3131         * cgraphunit.c (decide_is_function_needed): Honor
3132         -fkeep-inline-functions.
3133
3134 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3135
3136         * builtins.c (fold_builtin_modf): New.
3137         (fold_builtin_2): Use it.
3138
3139 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3140
3141         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3142         (determine_max_iter): Take additional LOOP arg; all callers changed.
3143         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3144         one using simplifications.
3145         (simplify_using_initial_values): Return if the expression becomes
3146         invalid due to altered regs.
3147
3148 2007-02-23  DJ Delorie  <dj@redhat.com>
3149
3150         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3151
3152 2007-02-23  Mike Stump  <mrs@apple.com>
3153
3154         * tlink.c (scan_linker_output): Parse linker messages from
3155         darwin9's linker better.
3156
3157 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3158
3159         PR debug/29614
3160         * varpool.c (varpool_assemble_pending_decls):  Set
3161         varpool_last_needed_node to null.
3162
3163 2007-02-23  DJ Delorie  <dj@redhat.com>
3164
3165         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3166         alignment bigger than the object file can handle.
3167
3168 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3169
3170         PR target/30825
3171         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3172         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3173         (*movsf_1): Penalize MMX moves.
3174
3175 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3176
3177         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3178         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3179
3180         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3181
3182 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3183
3184         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3185         (fold_builtin_1): Use them.
3186         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3187         BUILT_IN_SIGNIFICAND.
3188
3189 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3190
3191         * config/i386/i386.c (bdesc_1arg): Initialize
3192         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3193         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3194         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3195         and IX86_BUILTIN_MOVSLDUP.
3196
3197 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3198
3199         PR rtl-optimization/30841
3200         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3201
3202 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3203
3204         * builtins.c (fold_builtin_frexp): New.
3205         (fold_builtin_2): Use it.
3206
3207 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3208
3209         * doc/invoke.texi (Spec Files): Document getenv spec function.
3210
3211         * gcc.c (getenv_spec_function): New function.
3212         (static_spec_functions): Add it.
3213         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3214         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3215         header files.
3216
3217 2007-02-22  Michael Matz  <matz@suse.de
3218
3219         PR c++/29433
3220         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3221         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3222
3223 2007-02-22  Ian Lance Taylor  <iant@google.com>
3224
3225         PR debug/30898
3226         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3227         (mem_loc_descriptor): Call it.
3228
3229 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3230             Ira Rosen  <irar@il.ibm.com>
3231
3232         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3233
3234 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3235
3236         PR tree-optimization/30843
3237         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3238         stores only after all the group is vectorized.
3239
3240 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3241
3242         PR tree-optimization/30858
3243         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3244         in the reduction cycle have a single use in the loop.
3245         * tree-vectorizer.h (relevant): Add documentation.
3246
3247 2007-02-20  Mike Stump  <mrs@apple.com>
3248
3249         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3250         * configure: Regenerate.
3251
3252 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3253
3254         Change the defaults of some parameters and options.
3255         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3256         * config/spu/spu.c (spu_optimization_options): Add.
3257         (spu_override_options): Change params in spu_optimization_options.
3258         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3259
3260         Register 127 is only 16 byte aligned when used as a frame pointer.
3261         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3262         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3263         HARD_FRAME_POINTER_REGNUM.
3264         (spu_legitimate_address):  Use regno_aligned_for_reload.
3265         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3266         aligned when frame_pointer_needed is true.
3267         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3268         to 8 bits.
3269         * config/spu/spu.h (INIT_EXPANDERS): Define.
3270
3271         Make sure shift and rotate instructions have valid immediate operands.
3272         * config/spu/predicates.md (spu_shift_operand): Remove.
3273         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3274         * config/spu/constraints.md (W, O): Extend range.
3275         * config/spu/spu.md (umask, nmask): Define.
3276         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3277         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3278         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3279         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3280         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3281         (lshr<mode>3_reg):  Fix rtl description.
3282
3283         Make sure mulhisi immediate operands are valid.
3284         * config/spu/predicates.md (imm_K_operand): Add.
3285         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3286
3287         Generate constants using fsmbi and andi.
3288         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3289         (print_operand, spu_split_immediate, classify_immediate,
3290         fsmbi_const_p): Handle IC_FSMBI2.
3291
3292         Correctly handle a CONST_VECTOR containing symbols.
3293         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3294         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3295         (immediate_load_p): Allow symbols that use 2 instructions to create.
3296         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3297         with symbols when flag_pic is set.
3298         (const_vector_immediate_p): New.
3299         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3300         accept a CONST_VECTOR with symbols.
3301         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3302         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3303         correctly.
3304         * config/spu/spu.md (high, low): Delete.
3305         (low_<mode>): Define.
3306
3307         Remove INTRmode and INTR_REGNUM, which didn't work.
3308         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3309         of INTR_REGNUM.
3310         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3311         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3312         peephole2 pattern): Don't use INTR or 131.
3313         (movintrcc): Delete.
3314         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3315         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3316         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3317         (UNSPEC_SET_INTR): Add.
3318         * config/spu/spu-modes.def (INTR): Remove.
3319
3320         More accurate warnings about run-time relocations.
3321         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3322
3323         Correctly warn about immediate arguments to specific intrinsics.
3324         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3325         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3326         the instruction predicate.
3327
3328         Fix tree check errors with latest update.
3329         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3330         CALL_EXPR_ARG.
3331         (spu_expand_builtin): Use CALL_EXPR_FN.
3332
3333         Add missing specific intrinsics.
3334         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3335         si_bislede.
3336         * config/spu/spu_internals.h: Ditto.
3337
3338         Fix incorrect operand modifiers.
3339         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3340         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3341
3342         Optimize one case of zero_extend of a vec_select.
3343         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3344
3345         Accept any immediate for hbr.
3346         * config/spu/spu.md (hbr):  Change s constraints to i.
3347
3348 2007-02-21  Paul Brook  <paul@codesourcery.com>
3349
3350         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3351         condexec_count when skipping USE and CLOBBER.
3352
3353 2007-02-21  Nick Clifton  <nickc@redhat.com>
3354
3355         * common.opt (Warray-bounds): Add Warning attribute.
3356         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3357         Likewise.
3358         (fsized-zeroes): Add Optimization attribute.
3359         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3360         * c.opt (Wc++0x-compat): Add Warning attribute.
3361
3362 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3363
3364         PR middle-end/30761
3365         * reload1.c (eliminate_regs_in_insn): In the single_set special
3366         case, attempt to re-recognize the insn before falling back to
3367         having reload fix it up.
3368
3369 2007-02-20  Eric Christopher  <echristo@gmail.com>
3370
3371         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3372         Rewrite accordingly.
3373         (frv_read_iacc_argument): Ditto.
3374         (frv_expand_set_builtin): Take a call instead of arglist, update for
3375         above changes.
3376         (frv_expand_unop_builtin): Ditto.
3377         (frv_expand_binop_builtin): Ditto.
3378         (frv_expand_cut_builtin): Ditto.
3379         (frv_expand_binopimm_builtin): Ditto.
3380         (frv_expand_voidbinop_builtin): Ditto.
3381         (frv_expand_int_void2arg): Ditto.
3382         (frv_expand_prefetches): Ditto.
3383         (frv_expand_voidtriop_builtin): Ditto.
3384         (frv_expand_voidaccop_builtin): Ditto.
3385         (frv_expand_load_builtin): Ditto.
3386         (frv_expand_store_builtin): Ditto.
3387         (frv_expand_mdpackh_builtin): Ditto.
3388         (frv_expand_mclracc_builtin): Ditto.
3389         (frv_expand_mrdacc_builtin): Ditto.
3390         (frv_expand_mwtacc_builtin): Ditto.
3391         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3392         calls for above.
3393
3394 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3395
3396         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3397         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3398         cmpb instruction.
3399         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3400         point instructions.
3401         * configure: Regenerate.
3402         * config.in: Regenerate.
3403         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3404         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3405         masks to power6 and power6x and to POWERPC_MASKS.
3406         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3407         _ARCH_PWR6.
3408         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3409         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3410         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3411         Access PROTOTYPE as variable, not mask.
3412
3413 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3414
3415         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3416         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3417         * combine.c (adjust_for_new_dest): Use it.
3418         * postreload.c (reload_combine): Likewise.
3419
3420 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3421
3422         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3423         notes on an insn with multiple sets, even if single_set returns
3424         non-NULL for that insn.
3425
3426 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3427
3428         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3429         scalbn and scalbln.
3430
3431 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3432
3433         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3434         if user didn't pass it.
3435         * config/i386/darwin.h (CC1_SPEC): Likewise.
3436         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3437         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3438         -mmacosx-version-min.
3439
3440 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3441             Uros Bizjak  <ubizjak@gmail.com>
3442
3443         * optabs.h (enum optab_index): Add new OTI_scalb.
3444         (scalb_optab): Define corresponding macro.
3445         * optabs.c (init_optabs): Initialize scalb_optab.
3446         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3447         patterns.
3448         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3449         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3450         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3451         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3452         flag_unsafe_math_optimizations is set.
3453
3454         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3455         to implement scalbf, scalb and scalbl built-ins as inline x87
3456         intrinsics.
3457
3458 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3459             DJ Delorie <dj@redhat.com>
3460
3461         PR other/30824
3462         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3463         (diagnostic_report_diagnostic): ... here, and turn them into real
3464         errors. If warnings are inhibited, no need to do anything.
3465
3466 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3467
3468         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3469         better code generation.
3470
3471 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3472
3473         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3474
3475 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3476
3477         * config/alpha/alpha.c, config/alpha/alpha.md,
3478         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3479         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3480         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3481         config/arm/lib1funcs.asm: Follow spelling conventions.
3482
3483         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3484         config/fr30/fr30.md, config/i386/i386.h,
3485         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3486         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3487         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3488         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3489         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3490         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3491         config/sparc/sparc.c, config/sparc/sparc.h,
3492         config/sparc/sparc.md, config/spu/constraints.md,
3493         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3494         conventions.
3495
3496 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3497
3498         PR target/29943
3499         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3500         alias attribute.
3501
3502 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3503
3504         * doc/invoke.texi (-ftree-lrs): Remove.
3505
3506 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3507
3508         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3509         NULL.
3510
3511 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3512
3513         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3514         new CALL_EXPR_FN macro for retrieving the function
3515         declaration of the input expression.
3516
3517 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3518
3519         * c.opt (Waddress): New.
3520         * common.opt (Walways-true): Delete.
3521         (Wstring-literal-comparison): Delete.
3522         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3523         -Wstring-literal-comparison. Add -Waddress.
3524         (Waddress): New.
3525         (Walways-true): Delete.
3526         (Wstring-literal-comparison): Delete.
3527         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3528         consistently instead of -Walways-true in example.
3529         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3530         * c-typeck.c (parser_build_binary_op): Replace
3531         -Wstring-literal-comparison and -Walways-true with -Waddress.
3532         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3533         with -Waddress.
3534
3535 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3536
3537         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3538         without DECL_STRUCT_FUNCTION initialized.
3539
3540 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3541
3542         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3543         due to calls to functions taking pointers as parameters.
3544
3545 2007-02-19  Richard Henderson  <rth@redhat.com>
3546
3547         PR debug/29558
3548         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3549         in memory.
3550
3551 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3552
3553         * config/s390/s390.c (s390_call_saved_register_used,
3554         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3555         accessed to the new scheme.
3556
3557 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3558
3559         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3560         (cris_print_index, cris_print_operand, cris_print_operand_address)
3561         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3562         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3563         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3564         GET_CODE () == xxx.
3565         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3566         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3567         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3568         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3569         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3570         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3571         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3572         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3573         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3574         (uminsi3, call, call_value): Ditto.
3575         (define_split: indir_to_reg_split, unnamed): Ditto.
3576
3577 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3578
3579         PR tree-optimization/30975
3580         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3581         wrong assert.
3582
3583 2007-02-18  Eric Christopher  <echristo@gmail.com>
3584
3585         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3586         Remove use of arglist.
3587         (mips_expand_builtin): Remove use of arglist, pass in expr.
3588         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3589         (mips_expand_builtin_movtf): Ditto.
3590         (mips_expand_builtin_compare): Ditto.
3591
3592 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3593
3594         * tree-sra.c (sra_build_assignment): Replace assertion
3595         checking with a comment explaining why it can't be done.
3596
3597 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3598
3599         PR middle-end/30833
3600         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3601         during CALL_EXPR representation conversion.
3602         * tree-ssa-propagate.c (set_rhs): Likewise.
3603
3604 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3605
3606         * tree-sra.c (sra_build_assignment): Disable assertion checking
3607         for now.
3608
3609 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3610
3611         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3612         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3613         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3614         Likewise.
3615         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3616         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3617         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3618         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3619         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3620         force_gimple_operand): Likewise.
3621         * ipa-cp.c (constant_val_insert): Likewise.
3622         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3623         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3624         perfect_nestify): Likewise.
3625         * langhooks.c (lhd_omp_assignment): Likewise.
3626         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3627         lower_copyprivate_clauses, lower_send_clauses,
3628         lower_send_shared_vars, expand_parallel_call,
3629         expand_omp_for_generic, expand_omp_for_static_nochunk,
3630         expand_omp_for_static_chunk, expand_omp_sections,
3631         lower_omp_single_copy, lower_omp_for_lastprivate,
3632         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3633         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3634         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3635         Likewise.
3636
3637 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3638
3639         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3640         config/sh/sh.md: Follow spelling conventions.
3641
3642         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3643         config/frv/predicates.md: Follow spelling conventions.
3644
3645         * config/m68k/linux-unwind.h: Fix a comment typo.
3646         * target.h: Follow spelling conventions.
3647
3648 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3649
3650         PR rtl-optimization/28173
3651         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3652         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3653         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3654         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3655         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3656
3657 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3658
3659         * builtins.c (fold_builtin_load_exponent): New.
3660         (fold_builtin_2): Use it.
3661
3662 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3663
3664         PR rtl-optimization/30773
3665         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3666         if we fail to attach a REG_EQUIV note.
3667
3668 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3669             Roger Sayle  <roger@eyesopen.com>
3670
3671         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3672
3673 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3674
3675         * calls.c (initialize_argument_information): Pass original EXP
3676         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3677         code to split complex arguments here, as part of initializing the
3678         ARGS array.
3679         (expand_call): Remove code that builds a list of arguments and
3680         inserts implicit arguments into it.  Instead, just count how many
3681         implicit arguments there will be so we can determine the size of
3682         the ARGS array, and let initialize_argument_information do the work.
3683         (split_complex_values): Delete unused function.
3684
3685 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3686
3687         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3688
3689 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3690
3691         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3692         for arg pointer based indexed addressing.
3693
3694 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3695
3696         * config/ia64/ia64.h, config/ia64/ia64.md,
3697         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3698         spelling conventions.
3699
3700 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3701
3702         * config/m68k/m68k.c (split_di): New.
3703         * config/m68k/m68k-protos.h: Declare split_di.
3704         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3705           Improve predicate handling and split constant shifts.
3706
3707 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3708
3709         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3710         parameter for register bitfield operations, general predicates
3711         cleanup
3712
3713 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3714
3715         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3716         * config/m68k/linux-unwind.h: New file.
3717
3718 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3719
3720         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3721         config/i386/athlon.md, config/ia64/ia64.md,
3722         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3723         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3724         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3725         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3726         tree-vect-transform.c: Fix comment typos.
3727
3728 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3729
3730         * sched-deps.c (find_insn_list): Remove.
3731         * sched-int.h: Remove the prototype for find_insn_list.
3732
3733 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3734
3735         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3736         to linker.
3737         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3738         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3739         darwin_rs6000_override_options.
3740         (C_COMMON_OVERRIDE_OPTIONS): Expect
3741         darwin_macosx_version_min to be non-NULL always.
3742         (TARGET_C99_FUNCTIONS): Likewise.
3743         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3744         (DARWIN_MINVERSION_SPEC): New.
3745         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3746         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3747         to cc1*.
3748         (DARWIN_MINVERSION_SPEC): New.
3749         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3750         value.
3751         * config/darwin-c.c (darwin_cpp_builtins): Expect
3752         darwin_macosx_version_min to be non-NULL always.
3753
3754         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3755
3756 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3757
3758         * config/i386/i386.h (x86_use_xchgb): New.
3759         (TARGET_USE_XCHGB): New macro.
3760         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3761         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3762         Split after reload into bswaphi for shifts of 8.
3763         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3764         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3765         or when optimizing for size.
3766
3767 2007-02-16  Richard Guenther  <rguenther@suse.de>
3768             Christian Bruel  <christian.bruel@st.com>
3769
3770         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3771         DECLs but prefer SSA_NAMEs over DECLs.
3772
3773 2007-02-16  Richard Guenther  <rguenther@suse.de>
3774
3775         * tree-flow-inline.h (single_imm_use_p): Remove.
3776         (zero_imm_uses_p): Likewise.
3777         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3778         instead of single_imm_use_p.
3779         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3780         zero_imm_uses_p.
3781
3782 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3783
3784         PR other/27843
3785         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3786         nested double- and backquotes.
3787
3788 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3789
3790         PR middle-end/30391
3791         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3792         should be unreachable.
3793         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3794         For the time being redirect GIMPLE_MODIFY_STMT to the new
3795         (renamed) build_gimple_modify_stmt_stat.
3796         (build2_gimple_stat): Rename to...
3797         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3798         Always build a GIMPLE_MODIFY_STMT node.
3799         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3800         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3801         declarations.
3802
3803         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3804         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3805         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3806         expand_complex_div_wide): Likewise.
3807         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3808         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3809         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3810         * tree-ssa-loop-manip.c (create_iv): Likewise.
3811         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3812         abs_replacement): Likewise.
3813         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3814         realify_fake_stores): Likewise.
3815
3816         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3817         node rather than a GIMPLE_MODIFY_STMT node.
3818         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3819         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3820         Likewise.
3821         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3822         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3823         GIMPLE_MODIFY_STMT.
3824
3825 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3826
3827         PR middle-end/30433
3828         * fold-const.c (fold_comparison): Add back the
3829         folding of constant complex comparisions.
3830
3831 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3832
3833         PR middle-end/30729
3834         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3835         effects unknown to this function, return early.
3836
3837 2007-02-15  Ian Lance Taylor  <iant@google.com>
3838
3839         * lower-subreg.c (move_eh_region_note): New static function.
3840         (resolve_simple_move): Call it.
3841         (decompose_multiword_subregs): Track blocks for which we resolve a
3842         simple move which is also a control flow insn.  Pass them to
3843         find_many_sub_basic_blocks.
3844         (pass_lower_subreg): Add TODO_verify_flow.
3845         (pass_lower_subreg2): Likewise.
3846
3847 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3848             Brooks Moses  <brooks.moses@codesourcery.com>
3849             Lee Millward  <lee.millward@codesourcery.com>
3850
3851         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3852         (VL_EXP_CLASS_P): New.
3853         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3854         TREE_CODE_LENGTH.
3855         (TREE_OPERAND_CHECK_CODE): Likewise.
3856         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3857         (TREE_RTL_OPERAND_CHECK): Likewise.
3858         (tree_operand_check_failed): Make second parameter the whole tree
3859         instead of its code.  Fixed callers.
3860         (VL_EXP_CHECK): New.
3861         (TREE_OPERAND_LENGTH): New.
3862         (VL_EXP_OPERAND_LENGTH): New.
3863         (CALL_EXPR_FN): New.
3864         (CALL_EXPR_STATIC_CHAIN): New.
3865         (CALL_EXPR_ARGS): New.
3866         (CALL_EXPR_ARG): New.
3867         (call_expr_nargs): New.
3868         (CALL_EXPR_ARGP): New.
3869         (build_nt_call_list): Declare.
3870         (build_vl_exp_stat): Declare.
3871         (build_vl_exp): New.
3872         (build_call_list): Declare.
3873         (build_call_nary): Declare.
3874         (build_call_valist): Declare.
3875         (build_call_array): Declare.
3876         (call_expr_arg): Declare.
3877         (call_expr_argp): Declare.
3878         (call_expr_arglist): Declare.
3879         (fold_build_call_list): Declare.
3880         (fold_build_call_list_initializer): Declare.
3881         (fold_call_expr): Declare to replace fold_builtin.
3882         (fold_builtin_fputs): Update to agree with modified definition.
3883         (fold_builtin_strcpy): Likewise.
3884         (fold_builtin_strncpy): Likewise.
3885         (fold_builtin_memory_chk): Likewise.
3886         (fold_builtin_stxcpy_chk): Likewise.
3887         (fold_builtin_strncpy_chk): Likewise.
3888         (fold_builtin_next_arg): Likewise.
3889         (fold_build_call_expr): Declare.
3890         (fold_builtin_call_list): Declare.
3891         (fold_builtin_call_valist): Declare.
3892         (build_call_expr): Declare.
3893         (validate_arglist): Update to agree with modified definition.
3894         (tree_operand_length): New.
3895         (call_expr_arg_iterator): New.
3896         (init_call_expr_arg_iterator): New.
3897         (next_call_expr_arg): New.
3898         (first_call_expr_arg): New.
3899         (more_call_expr_args_p): New.
3900         (FOR_EACH_CALL_EXPR_ARG): New.
3901
3902         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3903         and tcc_gimple_stmt.
3904         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3905         than sizeof (char *).
3906         (tree_size): Likewise.  Add case for tcc_vl_exp.
3907         (tree_node_structure): Add case for tcc_vl_exp.
3908         (contains_placeholder_p): Likewise.
3909         (substitute_in_expr): Likewise.
3910         (substitute_placeholder_in_expr): Likewise.
3911         (stabilize_reference_1): Likewise.
3912         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3913         to diagnose breakage of this interface for constructing CALL_EXPRs.
3914         (build_nt): Add similar assertion here.
3915         (build_nt_call_list): New.
3916         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3917         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3918         TREE_CODE_LENGTH.
3919         (get_callee_fndecl): Use new CALL_EXPR accessors.
3920         (tree_operand_check_failed): Change parameters to pass entire node
3921         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3922         (process_call_operands): New.
3923         (build_vl_exp_stat): New.
3924         (build_call_list): New.
3925         (build_call_nary): New.
3926         (build_call_valist): New.
3927         (build_call_array): New.
3928         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3929         (call_expr_arglist): New.
3930
3931         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3932         tcc_vl_exp instead of a fixed-size tcc_expression.
3933
3934         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3935         accessors for CALL_EXPRs.
3936         (AGGR_INIT_EXPR): Likewise.
3937
3938 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3939             Brooks Moses  <brooks.moses@codesourcery.com>
3940             Lee Millward  <lee.millward@codesourcery.com>
3941
3942         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3943         (expand_builtin_nonlocal_goto): Change parameter to be entire
3944         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3945         (expand_builtin_prefetch): Likewise.
3946         (expand_builtin_classify_type): Likewise.
3947         (mathfn_built_in): Return NULL_TREE instead of 0.
3948         (expand_errno_check): Use new CALL_EXPR accessors.
3949         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3950         Return NULL_RTX instead of 0.
3951         (expand_builtin_mathfn_2): Likewise.
3952         (expand_builtin_mathfn_3): Likewise.
3953         (expand_builtin_interclass_mathfn): Likewise.
3954         (expand_builtin_sincos): Likewise.
3955         (expand_builtin_cexpi): Likewise.
3956         (expand_builtin_int_roundingfn): Likewise.
3957         (expand_builtin_int_roundingfn_2): Likewise.
3958         (expand_builtin_pow): Likewise.
3959         (expand_builtin_powi): Likewise.
3960         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3961         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3962         accessors and constructors.  Return NULL_RTX instead of 0.
3963         (expand_builtin_strstr): Likewise.
3964         (expand_builtin_strchr): Likewise.
3965         (expand_builtin_strrchr): Likewise.
3966         (expand_builtin_strpbrk): Likewise.
3967         (expand_builtin_memcpy): Likewise.
3968         (expand_builtin_mempcpy): Likewise.
3969         (expand_builtin_mempcpy_args): New.
3970         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3971         (expand_builtin_memmove_args): New.
3972         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3973         (expand_movstr): Likewise.
3974         (expand_builtin_strcpy): Likewise.
3975         (expand_builtin_strcpy_args): New.
3976         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3977         (expand_builtin_strncpy): Likewise.
3978         (expand_builtin_memset): Likewise.
3979         (expand_builtin_memset_args): New.
3980         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3981         (expand_builtin_memcmp): Likewise.
3982         (expand_builtin_strcmp): Likewise.
3983         (expand_builtin_strncmp): Likewise.
3984         (expand_builtin_strcat): Likewise.
3985         (expand_builtin_strncat): Likewise.
3986         (expand_builtin_strspn): Likewise.
3987         (expand_builtin_strcspn): Likewise.
3988         (expand_builtin_args_info): Likewise.
3989         (expand_builtin_va_start): Likewise.
3990         (gimplify_va_arg_expr): Likewise.
3991         (expand_builtin_va_end): Likewise.
3992         (expand_builtin_va_copy): Likewise.
3993         (expand_builtin_frame_address): Likewise.
3994         (expand_builtin_alloca): Likewise.
3995         (expand_builtin_bswap): Likewise.
3996         (expand_builtin_unop): Likewise.
3997         (expand_builtin_fputs): Likewise.
3998         (expand_builtin_expect): Likewise.
3999         (expand_builtin_fabs): Likewise.
4000         (expand_builtin_copysign): Likewise.
4001         (expand_builtin_printf): Likewise.
4002         (expand_builtin_fprintf): Likewise.
4003         (expand_builtin_sprintf): Likewise.
4004         (expand_builtin_init_trampoline): Likewise.
4005         (expand_builtin_signbit): Likewise.
4006         (expand_builtin_fork_or_exec): Likewise.
4007         (expand_builtin_sync_operation): Likewise.
4008         (expand_builtin_compare_and_swap): Likewise.
4009         (expand_builtin_lock_test_and_set): Likewise.
4010         (expand_builtin_lock_release): Likewise.
4011         (expand_builtin): Likewise.
4012         (builtin_mathfn_code): Likewise.
4013
4014         (fold_builtin_constant_p): Pass call arguments individually instead
4015         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4016         accessors and constructors.  Return NULL_TREE instead of 0.
4017         (fold_builtin_expect): Likewise.
4018         (fold_builtin_classify_type): Likewise.
4019         (fold_builtin_strlen): Likewise.
4020         (fold_builtin_nan): Likewise.
4021         (integer_valued_real_p): Likewise.
4022         (fold_trunc_transparent_mathfn): Likewise.
4023         (fold_fixed_mathfn): Likewise.
4024         (fold_builtin_cabs): Likewise.
4025         (fold_builtin_sqrt): Likewise.
4026         (fold_builtin_cbrt): Likewise.
4027         (fold_builtin_cos): Likewise.
4028         (fold_builtin_cosh): Likewise.
4029         (fold_builtin_tan): Likewise.
4030         (fold_builtin_sincos): Likewise.
4031         (fold_builtin_cexp): Likewise.
4032         (fold_builtin_trunc): Likewise.
4033         (fold_builtin_floor): Likewise.
4034         (fold_builtin_ceil): Likewise.
4035         (fold_builtin_round): Likewise.
4036         (fold_builtin_int_roundingfn): Likewise.
4037         (fold_builtin_bitop): Likewise.
4038         (fold_builtin_bswap): Likewise.
4039         (fold_builtin_logarithm): Likewise.
4040         (fold_builtin_hypot): Likewise.
4041         (fold_builtin_pow): Likewise.
4042         (fold_builtin_powi): Likewise.
4043         (fold_builtin_exponent): Likewise.
4044         (fold_builtin_memset): Likewise.
4045         (fold_builtin_bzero): Likewise.
4046         (fold_builtin_memory_op): Likewise.
4047         (fold_builtin_bcopy): Deleted; call site changed to invoke
4048         fold_builtin_memory_op directly.
4049         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4050         (fold_builtin_strncpy): Likewise.
4051         (fold_builtin_memcmp): Likewise.
4052         (fold_builtin_strcmp): Likewise.
4053         (fold_builtin_strncmp): Likewise.
4054         (fold_builtin_signbit): Likewise.
4055         (fold_builtin_copysign): Likewise.
4056         (fold_builtin_isascii): Likewise.
4057         (fold_builtin_toascii): Likewise.
4058         (fold_builtin_isdigit): Likewise.
4059         (fold_builtin_fabs): Likewise.
4060         (fold_builtin_abs): Likewise.
4061         (fold_builtin_fmin_fmax): Likewise.
4062         (fold_builtin_carg): Likewise.
4063         (fold_builtin_classify): Likewise.
4064         (fold_builtin_unordered_cmp): Likewise.
4065
4066         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4067         New functions split out from fold_builtin_1.
4068         (fold_builtin_n): New.
4069         (fold_builtin_varargs): New.
4070         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4071         instead.
4072         (fold_call_expr): New.
4073         (build_function_call_expr): Rewrite to use new helper function.
4074         (fold_builtin_call_list): New.
4075         (build_call_expr): New.
4076         (fold_builtin_call_valist): New.
4077         (rewrite_call_expr): New.
4078         (validate_arg): New.
4079         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4080         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4081         accessors.
4082
4083         (fold_builtin_strstr):  Pass call arguments individually instead
4084         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4085         accessors and constructors.  Return NULL_TREE instead of 0.
4086         (fold_builtin_strchr): Likewise.
4087         (fold_builtin_strrchr): Likewise.
4088         (fold_builtin_strpbrk): Likewise.
4089         (fold_builtin_strcat): Likewise.
4090         (fold_builtin_strncat): Likewise.
4091         (fold_builtin_strspn): Likewise.
4092         (fold_builtin_strcspn): Likewise.
4093         (fold_builtin_fputs): Likewise.
4094         (fold_builtin_next_arg): Likewise.
4095         (fold_builtin_sprintf): Likewise.
4096
4097         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4098         NULL_RTX instead of 0.
4099         (expand_builtin_memory_chk): Likewise.
4100         (maybe_emit_chk_warning): Likewise.
4101         (maybe_emit_sprintf_chk_warning): Likewise.
4102
4103         (fold_builtin_object_size): Pass call arguments individually instead
4104         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4105         accessors and constructors.  Return NULL_TREE instead of 0.
4106         (fold_builtin_memory_chk): Likewise.
4107         (fold_builtin_stxcpy_chk): Likewise.
4108         (fold_builtin_strncpy_chk): Likewise.
4109         (fold_builtin_strcat_chk): Likewise.
4110         (fold_builtin_strcat_chk): Likewise.
4111         (fold_builtin_strncat_chk): Likewise.
4112         (fold_builtin_sprintf_chk): Likewise.
4113         (fold_builtin_snprintf_chk): Likewise.
4114         (fold_builtin_printf): Likewise.
4115         (fold_builtin_vprintf): Likewise.
4116
4117         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4118         constructors.
4119         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4120         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4121         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4122         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4123         (fold_unary): Likewise.
4124         (fold_binary): Likewise.
4125         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4126         ternary expressions.
4127         (fold): Add logic for tcc_vl_exp.
4128         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4129         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4130         (fold_build3_stat): Add assertion to flag broken interface for
4131         constructing CALL_EXPRs.
4132         (fold_build_call_list): New.
4133         (fold_build_call_list_initializer): New.
4134         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4135         constructors.
4136         (fold_strip_sign_ops): Likewise.
4137
4138 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4139             Brooks Moses  <brooks.moses@codesourcery.com>
4140             Lee Millward  <lee.millward@codesourcery.com>
4141
4142         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4143         accessors and dump arguments explicitly.
4144
4145         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4146         TREE_CODE_LENGTH.
4147         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4148         explicitly.
4149         (print_call_name): Use new CALL_EXPR accessors.
4150
4151         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4152         CALL_EXPR arguments explicitly instead of as a list.  Use
4153         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4154
4155         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4156         (vrp_visit_stmt): Likewise.
4157
4158         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4159         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4160         TREE_CODE_LENGTH.
4161         (force_move_till_expr): Likewise.
4162
4163         * targhooks.c (default_external_stack_protect_fail): Use
4164         build_call_expr instead of build_function_call_expr.
4165         (default_hidden_stack_protect_fail): Likewise.
4166
4167         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4168         build the call.
4169
4170         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4171         and walk arguments explicitly.
4172
4173         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4174         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4175         (expand_simple_operations): Likewise.
4176         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4177
4178         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4179         of TREE_CODE_LENGTH.
4180         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4181
4182         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4183         instead of TREE_CODE_LENGTH.
4184
4185         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4186         (tree_ic_transform): Likewise.
4187         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4188         parameter instead of arglist.  Fix callers.
4189         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4190         (tree_stringops_transform): Likewise.
4191         (tree_indirect_call_to_profile): Likewise.
4192         (tree_stringops_values_to_profile): Likewise.
4193
4194         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4195         (eliminate_tail_call): Likewise.
4196
4197         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4198
4199         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4200         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4201         operands.
4202         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4203
4204         * omp-low.c (build_omp_barrier): Use build_call_expr.
4205         (lower_rec_input_clauses): Likewise.
4206         (lower_reduction_clauses): Likewise.
4207         (expand_parallel_call): Likewise.
4208         (maybe_catch_exception): Likewise.
4209         (expand_omp_for_generic): Likewise.
4210         (expand_omp_for_static_nochunk): Likewise.
4211         (expand_omp_sections): Likewise.
4212         (lower_omp_single_simple): Likewise.
4213         (lower_omp_single_copy): Likewise.
4214         (lower_omp_master): Likewise.
4215         (lower_omp_ordered): Likewise.
4216         (lower_omp_critical): Likewise.
4217
4218         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4219         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4220
4221         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4222         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4223         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4224
4225         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4226         and generalize to handle any number of operands.
4227         (chrec_contains_undetermined): Likewise.
4228         (tree_contains_chrecs): Likewise.
4229         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4230
4231         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4232
4233         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4234         fold_call_expr instead of fold_builtin.
4235         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4236         match declarations there.
4237         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4238         updates.
4239
4240         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4241         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4242
4243         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4244         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4245
4246         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4247         accessors.
4248
4249         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4250         (execute_cse_sincos): Use new CALL_EXPR accessors.
4251
4252         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4253
4254         * gimple-low.c (lower_function_body): Use build_call_expr.
4255         (lower_builtin_setjmp): Likewise.
4256
4257         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4258         (set_storage_via_libcall): Likewise.
4259         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4260         instead of TREE_CODE_LENGTH.
4261         (expand_expr_real_1): Use new CALL_EXPR accessors.
4262
4263         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4264         generalize to handle any number of operands.
4265         (TB_parent_eq): Likewise.
4266
4267         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4268         (strip_builtin_expect): Likewise.
4269
4270         * function.c (gimplify_parameters): Use build_call_expr.
4271
4272         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4273         instead of TREE_CODE_LENGTH.
4274
4275         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4276         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4277
4278         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4279         iterators.
4280
4281         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4282         (gimplify_decl_expr): Likewise.
4283         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4284         Use new CALL_EXPR iterators.
4285         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4286         (gimplify_modify_expr_to_memset): Likewise.
4287         (gimplify_variable_sized_compare): Likewise.
4288         (gimplify_omp_atomic_fetch_op): Likewise.
4289         (gimplify_omp_atomic_pipeline): Likewise.
4290         (gimplify_omp_atomic_mutex): Likewise.
4291         (gimplify_function_tree): Likewise.
4292
4293         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4294         (call_expr_flags): Likewise.
4295         (expand_call): Likewise.
4296
4297         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4298         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4299         accessors.
4300
4301         * coverage.c (create_coverage): Use build_call_expr.
4302
4303         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4304         (temp_call_expr_obstack): New.
4305         (pool_copy_list): Delete.
4306         (temp_copy_call_expr): New.
4307         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4308         CALL_EXPR accessors.  Get rid of special goo for copying argument
4309         lists and use temp_copy_call_expr instead.
4310         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4311         CALL_EXPR accessors.
4312         (create_expression_by_pieces): Likewise.  Use build_call_array
4313         to construct the result instead of fold_build3.
4314         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4315         dealing with argument lists.
4316         (init_pre): Remove references to expression_node_pool and
4317         list_node_pool.  Init temp_call_expr_obstack instead.
4318         (fini_pre): Remove references to expression_node_pool and
4319         list_node_pool.
4320
4321         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4322         and walk arguments explicitly instead of as a list.
4323
4324         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4325         (mx_register_decls): Likewise.
4326         (mudflap_register_call): Likewise.
4327         (mudflap_finish_file): Likewise.
4328
4329         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4330         (ipa_callsite_compute_param): Likewise.
4331
4332         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4333         accessors and constructor.
4334
4335         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4336         accessors and constructor.
4337         (convert_tramp_reference): Likewise.
4338         (convert_call_expr): Likewise.
4339         (finalize_nesting_tree_1): Likewise.
4340
4341         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4342         accessors.
4343
4344         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4345
4346         * tree-inline.c (initialize_inlined_parameters): Pass entire
4347         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4348         accessors.
4349         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4350         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4351
4352         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4353         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4354         (vectorizable_reduction): Likewise.
4355         (vectorizable_call): Use new CALL_EXPR iterators.
4356         (vectorizable_conversion): Use build_call_expr.
4357         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4358         (vect_gen_widened_results_half): Use build_call_expr.
4359         (vect_setup_realignment): Likewise.
4360         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4361
4362         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4363         (pass_through_call): Likewise.
4364         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4365         fold_builtin.
4366
4367         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4368         (tree_gen_pow2_profiler): Likewise.
4369         (tree_gen_one_value_profiler): Likewise.
4370         (tree_gen_ic_func_profiler): Likewise.
4371         (tree_gen_average_profiler): Likewise.
4372         (tree_gen_ior_profiler): Likewise.
4373
4374         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4375         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4376         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4377
4378         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4379         of TREE_CODE_LENGTH.
4380
4381         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4382         of TREE_CODE_LENGTH.
4383
4384         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4385         constructor.
4386         (convert_to_integer): Likewise.
4387
4388         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4389         accessors.
4390
4391 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4392             Brooks Moses  <brooks.moses@codesourcery.com>
4393             Lee Millward  <lee.millward@codesourcery.com>
4394
4395         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4396         accessors.
4397         * config/frv/frv.c (frv_expand_builtin): Likewise.
4398         * config/s390/s390.c (s390_expand_builtin): Likewise.
4399
4400         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4401         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4402
4403         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4404         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4405         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4406         (ix86_expand_store_builtin): Likewise.
4407         (ix86_expand_unop_builtin): Likewise.
4408         (ix86_expand_unop1_builtin): Likewise.
4409         (ix86_expand_sse_compare): Likewise.
4410         (ix86_expand_sse_comi): Likewise.
4411         (ix86_expand_vec_init_builtin): Likewise.
4412         (ix86_expand_vec_ext_builtin): Likewise.
4413         (ix86_expand_vec_set_builtin): Likewise.
4414         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4415
4416         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4417         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4418
4419         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4420         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4421         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4422
4423         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4424         build_call_expr.
4425         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4426         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4427         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4428         (altivec_expand_abs_builtin): Likewise.
4429         (rs6000_expand_binop_builtin): Likewise.
4430         (altivec_expand_predicate_builtin): Likewise.
4431         (altivec_expand_lv_builtin): Likewise.
4432         (spe_expand_stv_builtin): Likewise.
4433         (altivec_expand_stv_builtin): Likewise.
4434         (rs6000_expand_ternop_builtin): Likewise.
4435         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4436         (altivec_expand_st_builtin): Likewise.
4437         (altivec_expand_dst_builtin): Likewise.
4438         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4439         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4440         (altivec_expand_vec_set_builtin): Likewise.
4441         (altivec_expand_vec_ext_builtin): Likewise.
4442         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4443         (spe_expand_builtin): Likewise.
4444         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4445         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4446         (spe_expand_evsel_builtin): Likewise.
4447         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4448         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4449
4450         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4451         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4452         (arm_expand_unop_builtin): Likewise.
4453         (arm_expand_builtin): Use new CALL_EXPR accessors.
4454
4455         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4456         accessors.
4457
4458         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4459         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4460         (bfin_expand_unop_builtin): Likewise.
4461         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4462
4463 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4464             Brooks Moses  <brooks.moses@codesourcery.com>
4465             Lee Millward  <lee.millward@codesourcery.com>
4466
4467         * c-semantics.c (build_stmt): Add internal diagnostic check.
4468
4469         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4470         accessors.  Print arguments explicitly instead of as a list.
4471
4472         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4473
4474         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4475         (c_finish_omp_flish): Likewise.
4476
4477         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4478         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4479         instead of TREE_CODE_LENGTH.
4480         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4481         (c_warn_unused_result): Likewise.
4482
4483 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4484
4485         PR c/26494
4486         * doc/invoke.texi (Warning Options): Remove
4487         -Werror-implicit-function-declaration.
4488         (Wimplicit-function-declaration): Update description.
4489         * opts.c (common_handle_option): Move handling of -Werror=* to...
4490         (enable_warning_as_error): ...here.
4491         * opts.h (enable_warning_as_error): Declare.
4492         * c-decl.c (implicit_decl_warning): Unless
4493         -Wno-implicit-function-declaration is given, emit a pedwarn if
4494         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4495         * c.opt (Wimplicit-function-declaration): Replace
4496         mesg_implicit_function_declaration with
4497         warn_implicit_function_declaration.
4498         * c-opts.c (c_common_handle_option):
4499         -Werror-implicit-function-declaration is exactly equal as
4500         -Werror=implicit-function-declaration.
4501         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4502         warn_implicit_function_declaration.
4503         (c_common_post_options): -Wimplict-function-declaration is enabled
4504         by default by -std=c99, otherwise is disabled by default.
4505         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4506
4507 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4508
4509         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4510         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4511         former is ignored but not the latter.
4512
4513 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4514
4515         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4516         is made and the reference doesn't use the alias set of its type,
4517         do not create the temporary using that type.
4518
4519 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4520
4521         * jump.c: Remove prototypes for delete_computation and
4522         delete_prior_computation.
4523
4524 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4525
4526         * jump.c (get_label_after): Delete.
4527         (get_label_before, delete_computation, delete_jump,
4528         delete_prior_computation, follow_jumps): Move...
4529         * reorg.c (delete_computation, delete_prior_computation): ... here...
4530         (get_label_before, delete_jump): ... making these static ...
4531         (follow_jumps): ... and simplifying this since it only runs after
4532         reload.
4533         * rtl.h (get_label_after, get_label_before, delete_jump,
4534         follow_jumps): Delete prototypes.
4535
4536 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4537
4538         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4539
4540 2007-02-15  Nick Clifton  <nickc@redhat.com>
4541
4542         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4543         order to prevent it from being munged by the target.
4544
4545 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4546
4547         * config/i386/i386.md: Remove misleading comment.
4548
4549 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4550
4551         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4552         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4553         invalid patterns.
4554
4555 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4556
4557         * tree-sra.c (instantiate_missing_elements): Canonicalize
4558         bit-field types.
4559         (sra_build_assignment): New.
4560         (generate_copy_inout, generate_element_copy,
4561         generate_element_zero, generate_one_element_init): Use it.
4562
4563 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4564
4565         * tree-sra.c (instantiate_missing_elements): Canonicalize
4566         bit-field types.
4567         (sra_build_assignment): New.
4568         (generate_copy_inout, generate_element_copy,
4569         generate_element_zero, generate_one_element_init): Use it.
4570
4571 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4572
4573         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4574         limbo die nodes.
4575
4576 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4577
4578         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4579         types as aggregates not scalars.
4580         * function.c (assign_stack_temp_for_type): Likewise.
4581
4582 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4583             Zdenek Dvorak  <dvorakz@suse.cz>
4584
4585         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4586         name.
4587
4588 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4589
4590         * passes.c (next_pass_1): Clear the next field of the copied
4591         pass structure.
4592
4593 2007-02-14  Richard Henderson  <rth@redhat.com>
4594
4595         * tree-sra.c (early_sra): New.
4596         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4597         (tree_sra_early, pass_sra_early): New.
4598         * tree-pass.h (pass_sra_early): Declare.
4599         * passes.c (init_optimization_passes): Use it.
4600
4601 2007-02-14  Richard Guenther  <rguenther@suse.de>
4602
4603         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4604
4605 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4606
4607          PR tree-optimization/30771
4608         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4609         also phi nodes.
4610         (vect_analyze_operations): Induction phis can now be marked as
4611         used_in_loop.
4612         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4613         Update documentation accordingly.
4614
4615 2007-02-14  Nick Clifton  <nickc@redhat.com>
4616
4617         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4618         most 3 arguments are supported.
4619         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4620
4621 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4622
4623         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4624         Ensure dst->current is valid.
4625
4626 2007-02-13  Paul Brook  <paul@codesourcery.com>
4627
4628         * config.gcc: Add arm*-*-uclinux-*eabi.
4629         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4630         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4631         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4632         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4633         (LINK_SPEC): Define.
4634         (LIB_SPEC): Define.
4635         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4636         register.
4637         * config/arm/uclinux-eabi.h: New file.
4638         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4639         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4640         based targets.
4641
4642 2007-02-13  Ian Lance Taylor  <iant@google.com>
4643
4644         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4645         * flags.h (warn_strict_overflow): Declare.
4646         (enum warn_strict_overflow_code): Define.
4647         (issue_strict_overflow_warning): New static inline function.
4648         * opts.c (warn_strict_overflow): New variable.
4649         (common_handle_option): Handle OPT_Wstrict_overflow and
4650         OPT_Wstrict_overflow_.
4651         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4652         OPT_Wall.
4653         * fold-const.c: Include intl.h.
4654         (fold_deferring_overflow_warnings): New static variable.
4655         (fold_deferred_overflow_warning): New static variable.
4656         (fold_deferred_overflow_code): New static variable.
4657         (fold_defer_overflow_warnings): New function.
4658         (fold_undefer_overflow_warnings): New function.
4659         (fold_undefer_and_ignore_overflow_warnings): New function.
4660         (fold_deferring_overflow_warnings_p): New function.
4661         (fold_overflow_warning): New static function.
4662         (make_range): Add strict_overflow_p parameter.  Change all
4663         callers.
4664         (extract_muldiv, extract_muldiv_1): Likewise.
4665         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4666         tree_expr_nonnegative_p.
4667         (fold_negate_expr): Call fold_overflow_warning.
4668         (fold_range_test): Likewise.
4669         (fold_comparison): Likewise.
4670         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4671         instead of tree_expr_nonnegative_p.
4672         (tree_expr_nonnegative_warnv_p): Rename from
4673         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4674         (tree_expr_nonnegative_p): New function.
4675         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4676         strict_overflow_p parameter.
4677         (tree_expr_nonzero_p): New function.
4678         * passes.c (verify_interpass_invariants): New static function.
4679         (execute_one_pass): Call it.
4680         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4681         warnings.
4682         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4683         (estimate_numbers_of_iterations): Likewise.
4684         (scev_probably_wraps_p): Likewise.
4685         * tree-ssa-ccp.c: Include "toplev.h".
4686         (evaluate_stmt): Defer fold overflow warnings until we know we are
4687         going to optimize.
4688         (struct fold_stmt_r_data): Add stmt field.
4689         (fold_stmt_r): Defer fold overflow warnings until we know we
4690         optimized.
4691         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4692         (fold_stmt_inplace): Likewise.
4693         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4694         (cleanup_control_expr_graph): Defer fold overflow warnings until
4695         we know we are going to optimize.
4696         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4697         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4698         Likewise.
4699         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4700         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4701         * tree-ssa-loop-manip.c (create_iv): Likewise.
4702         * c-typeck.c (build_conditional_expr): Likewise.
4703         (build_binary_op): Likewise.
4704         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4705         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4706         (extract_range_from_unary_expr): Likewise.
4707         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4708         assuming that signed overflow does not occur.
4709         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4710         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4711         (fold_defer_overflow_warnings): Declare.
4712         (fold_undefer_overflow_warnings): Declare.
4713         (fold_undefer_and_ignore_overflow_warnings): Declare.
4714         (fold_deferring_overflow_warnings_p): Declare.
4715         (tree_expr_nonzero_warnv_p): Declare.
4716         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4717         of warning options.
4718         (Warning Options): Document -Wstrict-overflow.
4719         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4720         (tree-ssa-ccp.o): Likewise.
4721         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4722         (fold-const.o): Depend on intl.h.
4723
4724 2007-02-13  Ian Lance Taylor  <iant@google.com>
4725
4726         PR middle-end/30751
4727         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4728         addresses.
4729
4730 2007-02-13  Stuart Hastings  <stuart@apple.com>
4731
4732         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4733
4734 2007-02-13  Richard Henderson  <rth@redhat.com>
4735
4736         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4737         handled_component_p before looking for the indirect_ref.
4738
4739 2007-02-13  Richard Henderson  <rth@redhat.com>
4740
4741         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4742         remove flags clobber.
4743         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4744         (bswaphi_lowpart): New.
4745         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4746         remove TARGET_BSWAP test.  Delete expander of the same name.
4747
4748         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4749         (expand_unop): Use them.
4750
4751 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4752
4753         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4754         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4755         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4756         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4757         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4758         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4759         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4760         assembler dialect choice from asm templates.
4761
4762 2007-02-12  Richard Henderson  <rth@redhat.com>
4763
4764         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4765         (fixuns_trunc<SSEMODEF>si2): Use it.
4766         * config/i386/sse.md (vec_setv4sf_0): Export.
4767         * config/i386/i386.c (ix86_build_const_vector): Export.
4768         (ix86_split_convert_uns_si_sse): Rename from
4769         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4770         * config/i386/i386-protos.h: Update.
4771
4772 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4773
4774         PR c/29521
4775         * c-typeck.c (c_finish_return): Improve warning message.
4776
4777 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4778
4779         * alias.c (find_symbolic_term): Delete unused function.
4780
4781 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4782
4783         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4784         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4785         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4786
4787 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4788
4789         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4790         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4791         the function, temporarily point the debug interface to the null one.
4792
4793 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4794
4795         * dwarf2out.c (round_up_to_align): New static function.
4796         (field_byte_offset): Use it to round the offset.
4797
4798 2007-02-12  Richard Henderson  <rth@redhat.com>
4799
4800         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4801         (inswl_const): Export.
4802
4803 2007-02-12  Richard Henderson  <rth@redhat.com>
4804
4805         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4806         result mode of the libcall, convert back to outmode.
4807
4808 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4809
4810         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4811         (bswapdi2): New define_expand to implement 32-bit implementation.
4812
4813 2007-02-12  Nick Clifton  <nickc@redhat.com>
4814
4815         * doc/invoke.texi (Overall Options): Document --help=.
4816         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4817         (cc1_options): Pass --help= on to cc1.
4818         (display_help): Add description of --help=.
4819         (process_command): Add code to handle --help=.  Allow translated
4820         --help and --target-help switches to be passed on to compiler
4821         sub-process.
4822         (main): Remove unused if statement.
4823         * opts.c (columns): Remove.
4824         (LEFT_COLUMN): Define.
4825         (wrap_help): Add columns argument.
4826         (print_filtered_help): Change parameters to be an include bitmask,
4827         an exclude bitmask, an any bitmask and the column width.  Move the
4828         code to display the params list here.  Add code to display the
4829         status of options rather than their descriptions if the quiet flag
4830         is not active.
4831         (print_specific_help): Change parameters to be an include bitmask,
4832         an exclude bitmask and an any bitmask.  Move code to look up the
4833         column width here.  Decide upon the title for an options listing.
4834         (common_handle_options): Add code to handle --help=.  Adapt code
4835         for --help and --target-help to use the revised form of the
4836         print_specific_help function.
4837         (print_help): Delete.
4838         (print_param_help): Delete.
4839         (print_switch): Delete.
4840         * opts.h (cl_lang_count): Add prototype.
4841         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4842         CL_MAX_OPTION_CLASS): New defines.
4843         * optc-gen.awk: Add construction of cl_lang_count.
4844         * c.opt: Add Warning attribute to warning options and Optimization
4845         attribute to optimization options.
4846         * common.opt: Likewise.
4847         Add --help=.
4848         Add -fhelp and -ftarget-help as aliases for the transformed --help
4849         and --target-help options.
4850         * opt-functions.awk: Add code to handle Warning and Optimization
4851         attributes.
4852
4853 2007-02-12  Richard Henderson  <rth@redhat.com>
4854
4855         * config/alpha/constraints.md: New file.
4856         * config/alpha/alpha.c: Include tm-constrs.h.
4857         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4858         alpha_extra_constraint): Remove.
4859         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4860         * config/alpha/alpha-protos.h: Update.
4861         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4862         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4863         (EXTRA_CONSTRAINT): Remove.
4864         * config/alpha/alpha.md: Include constraints.md.
4865         (adddi splitter): Use satisfies_constraint_*.
4866         * config/alpha/predicates.md (add_operand): Likewise.
4867         (sext_add_operand, addition_operation): Likewise.
4868
4869 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4870
4871         PR tree-optimization/29145
4872         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4873         in our handling of restrict qualified pointers.
4874
4875 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4876
4877         PR middle-end/7651
4878         * doc/invoke.texi (Wunused-value): Update description.
4879         (Wextra): Delete item.
4880         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4881         value of Wunused-value.
4882         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4883         (c_finish_stmt_expr): Don't check extra_warnings.
4884         (emit_side_effect_warnings): The caller is responsible to check
4885         warn_unused_value.
4886
4887 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4888             Matt Thomas  <matt@3am-software.com>
4889
4890         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4891
4892 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4893
4894         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4895         comparisons of POPCOUNT against zero.
4896         (simplify_const_relational_operation): Likewise.
4897
4898 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4899
4900         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4901
4902 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4903
4904         * dwarf2out.c (root_type): Delete unused function.
4905
4906 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4907
4908         * genattrtab.c (contained_in_p): Delete unused function.
4909         (write_expr_attr_cache): Likewise.
4910
4911 2007-02-11  Jan Hubicka  <jh@suse.cz>
4912
4913         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4914         previous patch.
4915
4916 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4917
4918         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4919         to add the REG_EQ* note.
4920         * see.c (see_merge_one_use_extension): Likewise.
4921         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4922         turn REG_EQUAL notes into REG_EQUIV notes if the target
4923         register may have more than one set.
4924         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4925         * gcse.c (try_replace_reg): Likewise.
4926         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4927         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4928         more than one REG_EQUIV note.
4929         * reload1.c (gen_reload): Use set_unique_reg_note.
4930
4931 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4932
4933         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4934         (ix86_builtin_conversion): New function.
4935
4936 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4937
4938         PR target/29487
4939         * tree.h (DECL_REPLACEABLE_P): New macro.
4940         * except.c (set_nothrow_function_flags): Likewise.
4941
4942 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4943             Ira Rosen  <irar@il.ibm.com>
4944             Dorit Nuzman  <dorit@il.ibm.com>
4945
4946         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4947         * targhooks.c (default_builtin_vectorized_conversion): New.
4948         * targhooks.h (default_builtin_vectorized_function): New declaration.
4949         * target.h (struct vectorize): Add builtin_conversion field.
4950         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4951         stmt_vec_info_type value.
4952         (vectorizable_conversion): New declaration.
4953         * tree-vect-analyze.c (vect_analyze_operations): Add
4954         vectorizable_conversion call.
4955         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4956         * tree-vect-transform.c (vectorizable_conversion): New function.
4957         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4958         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4959         mode.
4960         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4961         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4962         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4963         or ALTIVEC_BUILTIN_VCFSX.
4964
4965 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4966
4967         PR target/30634
4968         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4969         CONST_DOUBLE and operand 0 is a hard register.
4970         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4971         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4972         is a hard floating-point register.
4973
4974 2007-02-10  Richard Henderson  <rth@redhat.com>
4975             Jakub Jelinek  <jakub@redhat.com>
4976             Alexandre Oliva  <aoliva@redhat.com>
4977
4978         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4979         * builtin-types.def (BT_WORD): Make unsigned.
4980         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4981         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4982         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4983         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4984         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4985         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4986         emulated tls.
4987         * expr.c (emutls_var_address): New.
4988         (expand_expr_real_1): Expand emulated tls.
4989         (expand_expr_addr_expr_1): Likewise.
4990         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4991         * output.h (emutls_finish): Declare.
4992         * toplev.c (compile_file): Call it.
4993         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4994         address before wrapping in CONST.
4995         * varasm.c (emutls_htab, emutls_object_type): New.
4996         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4997         (get_emutls_object_name, get_emutls_object_type): New.
4998         (get_emutls_init_templ_addr, emutls_decl): New.
4999         (emutls_common_1, emutls_finish): New.
5000         (assemble_variable): When emulating tls, swap decls; generate
5001         constructor for the emutls objects.
5002         (do_assemble_alias): When emulating tls, swap decl and target name.
5003         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5004         for emulated tls.
5005         * varpool.c (decide_is_variable_needed): Look at force_output.
5006         Recurse for emulated tls.
5007         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5008         with decide_is_variable_needed.
5009         * emutls.c: New file.
5010         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5011         tls_object for real tls.
5012
5013 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5014
5015         PR rtl-optimization/29599
5016         * reload1.c (eliminate_regs_in_insn): Take the destination
5017         mode into account when computing the offset.
5018
5019 2007-02-09  Stuart Hastings  <stuart@apple.com>
5020             Richard Henderson  <rth@redhat.com>
5021
5022         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5023         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5024         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5025         fixuns_truncdfhi2): New.
5026         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5027         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5028         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5029         (floatunssidf2): Allow nonimmediate source.
5030         * gcc/config/i386/sse.md (movdi_to_sse): New.
5031         (vec_concatv2di): Drop '*'.
5032         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5033         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5034         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5035         New.
5036         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5037         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5038         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5039         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5040         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5041         ix86_build_const_vector.
5042         (x86_emit_floatuns): Rewrite.
5043
5044 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5045
5046         * genautomata.c (longest_path_length): Delete unused function.
5047         (struct state): Delete unused longest_path_length.
5048         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5049         (get_free_state): Delete unused.
5050
5051 2007-02-09  Jan Hubicka  <jh@suse.cz>
5052
5053         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5054         * doc/invoke.texi (inline-unit-growth): Update default value.
5055
5056         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5057         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5058         (rebuild_cgraph_edges): Likewise.
5059         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5060         (dump_cgraph_node): Dump frequencies.
5061         (cgraph_clone_edge): Add frequency scales.
5062         (cgraph_clone_node): Add freuqnecy.
5063         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5064         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5065         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5066         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5067         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5068         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5069         (save_inline_function_body): Likewise.
5070         * ipa-inline.c: inluce rtl.h
5071         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5072         (cgraph_edge_badness): Use frequencies.
5073         (cgraph_decide_recursive_inlining): Update clonning.
5074         (cgraph_decide_inlining_of_small_function): Dump frequency.
5075         * predict.c (estimate_bb_frequencies): Export.
5076         * predict.h (estimate_bb_frequencies): Declare.
5077         * tree-inline.c (copy_bb): Watch overflows.
5078         (expand_call_inline): Update call of cgraph_create_edge.
5079         (optimize_inline_calls): Use TODO flags to update frequnecies.
5080         * passes.h: Include predict.h
5081         (init_optimization_passes): Move profile ahead.
5082         (execute_function_todo): Handle TODO_rebuild_frequencies.
5083
5084 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5085
5086         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5087         the insbl or inswl pattern into a register.
5088
5089 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5090
5091         * config/ia64/ia64.md (bswapdi2): New define_insn.
5092
5093 2007-02-09  Richard Henderson  <rth@redhat.com>
5094
5095         * config/i386/constraints.md (Ym): New constraint.
5096         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5097         (movdi_1_rex64): Split sse and xmm general register moves from
5098         memory move alternatives.  Use conditional register constraints.
5099         (movsf_1, movdf_integer): Likewise.
5100         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5101         (movdf_integer_rex64): New.
5102         (pushsf_rex64): Fix output constraints.
5103         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5104         (sse2_stored): Likewise.
5105         (sse2_storeq_rex64): New.
5106         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5107         amd and not generic.
5108         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5109         for optimize_size.  Remove SF/DFmode hack.
5110
5111 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5112
5113         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5114         (bit_SSE4a): New.
5115
5116 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5117             Richard Sandiford  <richard@codesourcery.com>
5118
5119         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5120         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5121         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5122         m68k/t-mlib to tmake_file.
5123         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5124         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5125         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5126         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5127         variable is not empty, add t-$m68k_arch_family to tmake_file.
5128         Add t-mlibs to tmake_file.
5129         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5130         * config/m68k/t-cf: New file.
5131         * config/m68k/t-m68k: Likewise.
5132         * config/m68k/t-mlibs: Likewise.
5133         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5134         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5135         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5136         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5137         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5138         Delete.
5139         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5140         (INSTALL_LIBGCC): Delete.
5141         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5142         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5143         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5144         (M68K_MLIB_CPU): Define.
5145         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5146         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5147         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5148
5149 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5150             Richard Guenther  <rguenther@suse.de>
5151
5152         PR middle-end/23361
5153         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5154         against INT_MIN/INT_MAX.
5155         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5156         file if a loop is removed.
5157
5158 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5159
5160         * calls.c (store_one_arg): Pass correct alignment to
5161         emit_push_insn for non-BLKmode values.
5162         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5163         unaligned stack slot via a suitably aligned slot.
5164
5165 2007-02-08  DJ Delorie  <dj@redhat.com>
5166
5167         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5168         warnings.
5169         (legal_subregs): Use unsigned char, make const.
5170         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5171
5172 2007-02-08  Paul Brook  <paul@codesourcery.com>
5173
5174         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5175         special interworking needed.
5176
5177 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5178
5179         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5180         conditional to __SSE2__.
5181         (Entries below should have been added to first ChangeLog
5182         entry for amdfam10 dated 2007-02-05)
5183         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5184         defined.
5185         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5186         defined.
5187         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5188         defined.
5189
5190 2007-02-08  DJ Delorie  <dj@redhat.com>
5191
5192         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5193         * config/m32c/m32c.c (legal_subregs): New.
5194         (m32c_illegal_subreg_p): New.
5195         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5196         unsupported subregs of hard regs.
5197
5198 2007-02-08  Jan Hubicka  <jh@suse.cz>
5199
5200         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5201         the same one; always update histograms.
5202
5203 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5204
5205         * passes.c (init_optimization_passes): Tidy comment.
5206
5207 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5208
5209         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5210         strip zero_extend, bswap and rotates from POCOUNT's argument.
5211         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5212         zero_extend and rotates from PARITY's argument.
5213         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5214         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5215         of an integer constant at compile-time.
5216
5217 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5218
5219         PR 30562
5220         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5221         Update all users.
5222         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5223         users.
5224         (init_alias_info):
5225         * tree-ssa-live.c (remove_unused_locals): Do not remove
5226         TREE_ADDRESSABLE variables.
5227         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5228         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5229         FOR_CLOBBER.  Update all users.
5230         If VAR has an associated alias set, add a virtual operand for
5231         it if no alias is found to conflict with the memory reference.
5232
5233 2007-02-07  Jan Hubicka  <jh@suse.cz>
5234             Robert Kidd <rkidd@crhc.uiuc.edu>
5235
5236         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5237
5238 2007-02-07  Ian Lance Taylor  <iant@google.com>
5239
5240         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5241
5242 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5243
5244         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5245         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5246         tablejumpdi, movsi_to_cr_one): Remove constraints from
5247         define_expand's match_operands.
5248
5249 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5250
5251         * global.c (compute_regsets): Move declatation of "i" inside of
5252         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5253
5254 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5255
5256         PR c++/30703
5257         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5258         of INDIRECT_REF <RESULT_DECL>.
5259
5260         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5261
5262 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5263             Kaz Kojima  <kkojima@gcc.gnu.org>
5264
5265         PR target/29746
5266         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5267         properly.
5268         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5269
5270 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5271
5272         * doc/loop.texi: Document possibility not to perform disambiguation
5273         of loops with multiple latches.
5274         * cfgloopmanip.c (alp_enum_p): Removed.
5275         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5276         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5277         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5278         the new forwarder block.
5279         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5280         Handle the case latch is NULL.
5281         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5282         when marking loop exits.
5283         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5284         be modified.
5285         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5286         disambiguate_loops_with_multiple_latches.
5287         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5288         before fix_loop_structure.
5289         * cfgloop.c: Include pointer-set.h and output.h.
5290         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5291         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5292         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5293         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5294         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5295         disambiguate_multiple_latches, get_loop_body_with_size,
5296         disambiguate_loops_with_multiple_latches): New functions.
5297         (flow_loop_dump): Dump multiple latch edges.
5298         (flow_loop_nodes_find): Handle loops with multiple latches.
5299         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5300         (glb_enum_p): Modified.
5301         (get_loop_body): Use get_loop_body_with_size.
5302         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5303         (AVOID_CFG_MODIFICATIONS): New constant.
5304         (disambiguate_loops_with_multiple_latches, add_loop,
5305         get_loop_body_with_size): Declare.
5306         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5307
5308 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5309
5310         PR inline-asm/28686
5311         * global.c (compute_regsets): New function.
5312         (global_alloc): Refactored ELIMINABLE_REGSET
5313         and NO_GLOBAL_ALLOC_REGS computation out.
5314         (rest_of_handle_global_alloc): Call compute_regsets()
5315         for non-optimizing case.
5316
5317 2007-02-06  Richard Henderson  <rth@redhat.com>
5318
5319         * config/i386/constraints.md (Y2): Rename from Y.
5320         (Yi): New constraint.
5321         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5322         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5323         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5324         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5325         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5326         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5327         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5328         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5329         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5330         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5331         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5332         vec_extractv2si_1): Change Y constraints to Y2.
5333         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5334         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5335         Change Y constraints to Y2.
5336         (sse2_loadld): Change Y constraints to x.
5337
5338 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5339
5340         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5341         (parity<mode>2): New define_expand using rs6000_emit_parity.
5342         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5343         rs6000_emit_parity): New functions.
5344         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5345         rs6000_emit_parity): Prototype here.
5346
5347 2007-02-06  Ian Lance Taylor  <iant@google.com>
5348
5349         * lower-subreg.c (simple_move_operand): Reject CONST.
5350         (resolve_clobber): Call validate_change rather than directly
5351         assigning to XEXP (pat, 0).
5352
5353 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5354
5355         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5356         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5357         (tree-cfg.o): Remove hashtab.h dependency.
5358
5359         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5360         (struct ivopts_data): Change niters to pointer_map_t.
5361         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5362         (niter_for_exit): Create pointer_map on demand.  Change for
5363         pointer_map API.
5364         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5365         (free_loop_data): Destroy data->niters if created and reset field.
5366         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5367         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5368
5369         * tree-ssa-reassoc.c: Include pointer-set.h.
5370         (bb_rank): Change to long *.
5371         (operand_rank): Change to pointer_map_t.
5372         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5373         (insert_operand_rank): Accept long.
5374         (operand_entry_hash, operand_entry_eq): Remove.
5375         (get_rank): Return long.  Adjust for changes above.
5376         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5377         and operand_rank.
5378         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5379
5380         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5381         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5382         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5383         is not NULL.
5384         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5385         directly since it cannot be NULL.
5386         (get_vi_for_tree): Rewrite for pointer_map API.
5387         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5388         (init_alias_vars): Create vi_for_tree as pointer_map.
5389         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5390
5391         * tree-cfg.c: Don't include hashtab.h.
5392         (edge_to_cases): Declare as pointer_map.
5393         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5394         Delete.
5395         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5396         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5397         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5398         destroying it.
5399         (record_switch_edge): Delete.
5400         (get_cases_for_edge): Adjust for pointer_map API, inline
5401         record_switch_edge (rewritten for new API), remove goto.
5402
5403 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5404
5405         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5406         * tree-nested.c: Include pointer-set.h.
5407         (var_map_elt, var_map_eq, var_map_hash): Delete.
5408         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5409         to pointer_map_t's.
5410         (nesting_info_bitmap_obstack): New.
5411         (lookup_field_for_decl): Adjust for pointer_map API.
5412         (lookup_tramp_for_decl): Adjust for pointer_map API.
5413         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5414         (get_local_debug_decl): Adjust for pointer_map API.
5415         (convert_nl_goto_reference): Adjust for pointer_map API.
5416         (convert_nl_goto_receiver): Adjust for pointer_map API.
5417         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5418         the new obstack.  Create field_map and var_map as pointer_maps.
5419         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5420         (root): Delete.
5421         (lower_nested_functions): Move root here, no need to NULL it.
5422         Initialize and release the obstack.
5423
5424 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5425
5426         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5427         Remove prototypes and make them non-static.
5428         (struct tree_int_map): Remove.
5429         * tree.h (struct tree_int_map): Move here, turning TO into an
5430         unsigned int.
5431         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5432
5433         * tree.h (TREE_COMPLEXITY): Remove.
5434         (struct tree_exp): Remove complexity field.
5435         * tree.c (build1_stat): Don't set it.
5436
5437 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5438             Victor Kaplansky  <victork@il.ibm.com>
5439
5440         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5441         (vect_is_simple_reduction): Support reduction with induction as
5442         one of the operands.
5443         (vect_is_simple_iv_evolution): Fix formatting.
5444         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5445         formatting.  Don't mark induction phis for vectorization.
5446         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5447         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5448         (vect_get_vec_def_for_operand): Support induction.
5449         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5450         induction case.
5451         (vectorizable_reduction): Support reduction with induction as one of
5452         the operands.
5453         (vectorizable_type_demotion): Use def-type of stmt argument rather
5454         than dummy def-type.
5455
5456         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5457         flag_tree_scev_cprop.
5458         * common.opt (tree-scev-cprop): New flag.
5459
5460         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5461         call to vect_get_new_vect_var.
5462
5463 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5464
5465         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5466         vectype is not NULL.
5467         (vect_pattern_recog_1): Likewise.
5468
5469 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5470
5471         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5472         (fold_negate_expr): Likewise.
5473
5474 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5475
5476         PR debug/30189
5477         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5478         even if cv-qualification is the same.
5479
5480 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5481
5482         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5483         __enable_execute_stack on completion.
5484
5485 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5486
5487         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5488         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5489         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5490         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5491         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5492         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5493         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5494         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5495
5496 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5497
5498         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5499         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5500         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5501         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5502         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5503         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5504         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5505         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5506         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5507         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5508         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5509         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5510         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5511         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5512         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5513         sqrtextenddfxf2_i387): Added amdfam10_decode.
5514
5515         * config/i386/athlon.md (athlon_idirect_amdfam10,
5516         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5517         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5518         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5519         athlon_ivector_store_amdfam10): New define_insn_reservation.
5520         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5521         amdfam10.
5522
5523 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5524
5525         * config/i386/athlon.md (athlon_call_amdfam10,
5526         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5527         define_insn_reservation.
5528         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5529         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5530         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5531
5532 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5533
5534         * config/i386/athlon.md (athlon_sseld_amdfam10,
5535         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5536         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5537
5538 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5539
5540         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5541         define_insn_reservation.
5542         * config/i386/i386.md (sseins): Added sseins to define_attr type
5543         and define_attr unit.
5544         * config/i386/sse.md: Set type attribute to sseins for insertq
5545         and insertqi.
5546
5547 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5548
5549         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5550         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5551         ssecomi_load_amdfam10, ssecomi_amdfam10,
5552         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5553         define_insn_reservation.
5554         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5555
5556 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5557
5558         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5559         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5560         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5561         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5562         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5563         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5564         define_insn_reservation.
5565
5566         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5567         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5568         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5569         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5570         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5571
5572 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5573
5574         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5575         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5576         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5577         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5578         athlon_ssemul_load_k8): Added amdfam10.
5579
5580 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5581
5582         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5583         (x86_sse_unaligned_move_optimal): New variable.
5584
5585         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5586         m_AMDFAM10.
5587         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5588         for unaligned vector SSE double/single precision loads for AMDFAM10.
5589
5590 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5591
5592         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5593         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5594         Define TARGET_CPU_DEFAULT_amdfam10.
5595         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5596         (processor_type): Add PROCESSOR_AMDFAM10.
5597
5598         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5599         processor_type in config/i386/i386.h.
5600         Enable imul peepholes for TARGET_AMDFAM10.
5601
5602         * config.gcc: Add support for --with-cpu option for amdfam10.
5603
5604         * config/i386/i386.c (amdfam10_cost): New variable.
5605         (m_AMDFAM10): New macro.
5606         (m_ATHLON_K8_AMDFAM10): New macro.
5607         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5608         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5609         x86_promote_QImode, x86_integer_DFmode_moves,
5610         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5611         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5612         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5613         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5614         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5615         Enable/disable for amdfam10.
5616         (override_options): Add amdfam10_cost to processor_target_table.
5617         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5618         processor_alias_table.
5619         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5620         (ix86_adjust_cost): Add code for amdfam10.
5621
5622 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5623
5624         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5625         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5626         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5627         * config/i386/i386.h: Add builtin definition for SSE4A.
5628         * config/i386/i386.md: Add support for ABM instructions
5629         (popcnt and lzcnt).
5630         * config/i386/sse.md: Add support for SSE4A instructions
5631         (movntss, movntsd, extrq, insertq).
5632         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5633         Add -march=amdfam10 flag.
5634         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5635         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5636         and amdfam10.
5637         * doc/extend.texi: Add documentation for SSE4A builtins.
5638
5639 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5640
5641         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5642
5643 2007-02-05  Richard Guenther  <rguenther@suse.de>
5644
5645         * tree-vectorizer.h (vectorizable_function): Add argument type
5646         argument, change return type.
5647         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5648         * tree-vect-transform.c (vectorizable_function): Handle extra
5649         argument, return vectorized function decl.
5650         (build_vectorized_function_call): Remove.
5651         (vectorizable_call): Handle calls with result and argument types
5652         differing.  Handle loop vectorization factor correctly.
5653         * targhooks.c (default_builtin_vectorized_function): Adjust for
5654         extra argument.
5655         * targhooks.h (default_builtin_vectorized_function): Likewise.
5656         * target.h (builtin_vectorized_function): Add argument type
5657         argument.
5658         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5659         extra argument, allow vectorizing of lrintf.
5660         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5661         documentation of target hook.
5662
5663 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5664
5665         PR target/30665
5666         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5667         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5668         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5669
5670 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5671
5672         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5673         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5674         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5675         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5676         before canonicalizing sincos to cexpi.
5677         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5678
5679 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5680
5681         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5682         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5683         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5684
5685 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5686
5687         * mips-tfile.c (initialize_init_file): Correct endianness test.
5688
5689 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5690
5691         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5692         the 'y' constraint.
5693
5694 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5695
5696         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5697         saves in a PARALLEL before the register assignments.
5698
5699 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5700
5701         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5702         DWARF_FRAME_RETURN_COLUMN to be a general register.
5703         * dwarf2out.c (init_return_column_size): New function, split from...
5704         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5705         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5706         to be nongeneral registers.
5707         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5708         integer registers.
5709         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5710         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5711
5712 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5713
5714         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5715
5716 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5717
5718         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5719         (remove_path): Use can_remove_branch_p and remove_branch instead
5720         of loop_delete_branch_edge.
5721         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5722         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5723         Update profile using scale_dominated_blocks_in_loop.
5724         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5725         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5726         (can_remove_branch_p, remove_branch): Declare.
5727         * tree-cfg.c (tree_can_remove_branch_p): New function.
5728         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5729         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5730         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5731
5732 2007-02-05  Jan Hubicka  <jh@suse.cz>
5733
5734         PR middle-end/30696
5735         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5736         nodes in cgraph, don't remove offline copy of the function.
5737
5738 2007-02-04  Jan Hubicka  <jh@suse.cz>
5739
5740         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5741         vectors might cause maybe_lookup_element_for_expr to be called
5742         on non-sra-candidate.
5743
5744 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5745
5746         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5747         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5748         spelling conventions.
5749
5750 2007-02-04  Richard Guenther  <rguenther@suse.de>
5751
5752         PR middle-end/30636
5753         * fold-const.c (try_move_mult_to_index): Make sure to not
5754         overflow one dimension of a multi-dimensional array access.
5755
5756 2007-02-04  Jan Hubicka  <jh@suse.cz>
5757
5758         * passes.c (init_optimization_passes): Reindent.
5759
5760 2007-02-04  Jan Hubicka  <jh@suse.cz>
5761             Eric Botcazou  <ebotcazou@adacore.com>
5762
5763         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5764         (execute_fixup_cfg): Break out the abnormal goto code.
5765         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5766         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5767         (optimize_inline_calls): Call make_nonlocal_label_edges.
5768
5769 2007-02-04  Jan Hubicka  <jh@suse.cz>
5770
5771         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5772         true when something was changed.
5773         (rename_ssa_copies): When something was changed, do
5774         TODO_remove_unused_locals.
5775         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5776         add TODO_remove_unused_locals when instruction was removed.
5777
5778 2007-02-04  Jan Hubicka  <jh@suse.cz>
5779
5780         * ipa-inline.c (try_inline): Improve debug output; work on already
5781         inline edges too.
5782         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5783         call try_inline for already inlined edges too when flattening;
5784         inline also functions that make callee growth but overall unit size
5785         reduce.
5786
5787 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5788
5789         * config/m32c/bitops.md, config/m32c/jump.md,
5790         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5791         config/m32r/m32r.h, config/m32r/m32r.md,
5792         config/m32r/predicates.md, config/m68hc11/larith.asm,
5793         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5794         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5795         config/mips/mips-protos.h, config/mips/mips.c,
5796         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5797         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5798         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5799         spelling conventions.
5800
5801         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5802         Follow spelling conventions.
5803
5804 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5805
5806         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5807         warn about C++0x compatibility.
5808
5809 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5810
5811         * config/h8300/h8300.c, config/h8300/h8300.h,
5812         config/h8300/h8300.md: Follow spelling conventions.
5813
5814 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5815
5816         PR middle-end/30667
5817         * combine.c (try_combine): Do not substitute source operand
5818         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5819
5820 2007-02-03  Jan Hubicka  <jh@suse.cz>
5821
5822         PR gcov-profile/30650
5823         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5824         do not divide by zero for never executed counters.
5825         (tree_find_values_to_profile): Fix counters.
5826         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5827
5828 2007-02-03  Ian Lance Taylor  <iant@google.com>
5829
5830         * lower-subreg.c (simple_move_operand): New static function,
5831         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5832         operands.
5833         (simple_move): Call simple_move_operand.
5834         (find_decomposable_subregs): Add special handling of MEMs.
5835         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5836         meaning of return value.  If we see a hard register, test whether
5837         it can store a word_mode value.  Change all callers.
5838
5839 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5840
5841         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5842         ftrapv insns and expanders.
5843         (subdi3): Change define_expand operand 1 to arith11_operand, and
5844         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5845         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5846         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5847         respectively.
5848
5849         PR middle-end/30174
5850         * varasm.c (notice_global_symbol): Treat global objects as weak when
5851         flag_shlib is true.
5852
5853 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5854
5855         * emit-rtl.c (dconstpi): Delete.
5856         (dconstsqrt2): New.
5857         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5858         * real.h (dconstpi): Delete.
5859         (dconstsqrt2): New.
5860         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5861         (fold_builtin_hypot): Likewise.
5862
5863 2007-02-03  Tom Tromey  <tromey@redhat.com>
5864
5865         PR driver/30246
5866         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5867         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5868
5869 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5870
5871         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5872         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5873         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5874         config/rs6000/cell.md, config/rs6000/darwin.h,
5875         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5876         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5877         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5878         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5879         typos.  Follow spelling conventions.
5880         * doc/invoke.texi: Follow spelling conventions.
5881
5882 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5883
5884         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5885         canonicalization transformations that attempt to simplify integer
5886         constant comparisons to become comparisons against zero.
5887
5888 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5889
5890         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5891         fabs(x)*sqrt(2).
5892         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5893         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5894
5895 2007-02-02  Mike Stump  <mrs@apple.com>
5896
5897         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5898         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5899         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5900         generate a branch island.
5901
5902 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5903
5904         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5905         (xtensa_legitimate_address_p): New.
5906         (xtensa_legitimize_address): New.
5907         (xtensa_output_addr_const_extra): New.
5908         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5909         (BASE_REG_P): New.
5910         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5911         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5912         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5913         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5914         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5915         (xtensa_legitimize_address): New.
5916         (xtensa_output_addr_const_extra): New.
5917
5918 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5919
5920         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5921
5922 2007-02-02  Ian Lance Taylor  <iant@google.com>
5923
5924         * expmed.c (expand_divmod): Add comment.
5925
5926 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5927
5928         * emit-rtl.c (renumber_insns): Remove.
5929         * flags.h: Remove the extern for flag_renumber_insns.
5930         * rtl.h: Remove the prototype for renumber_insns.
5931         * toplev.c (flag_renumber_insns): Remove.
5932
5933 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5934
5935         Revert for x86 darwin:
5936         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5937
5938         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5939         code before the following patch under TARGET_MACHO.
5940         (ix86_function_value_regno_p): Likewise.
5941
5942 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5943
5944         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5945         COMPLEX_EXPR.
5946
5947 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5948
5949         PR target/29682
5950         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5951         general or fp registers.  Add comments.
5952         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5953
5954 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5955
5956         * pointer-set.c (insert_aux): Only return insertion slot.
5957         (pointer_set_insert): Adjust.
5958         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5959         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5960         pointer_map_traverse): New.
5961         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5962         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5963         pointer_map_contains, pointer_map_traverse): Declare.
5964
5965 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5966
5967         PR middle-end/30473
5968         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5969         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5970
5971 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5972
5973         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5974
5975         (struct _dep): New type.
5976         (dep_t): New typedef.
5977         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5978         (DEP_STATUS): New access macro.  The macro with the same name was
5979         renamed to DEP_LINK_STATUS.
5980         (dep_init): Declare function
5981
5982         (struct _dep_link): New type.
5983         (dep_link_t): New typedef.
5984         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5985         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5986         (DEP_LINK_STATUS): New macro.
5987         (debug_dep_links): New debug function.
5988
5989         (struct _deps_list): New type.
5990         (deps_list_t): New typedef.
5991         (DEPS_LIST_FIRST): New access macro.
5992         (FOR_EACH_DEP_LINK): New cycle macro.
5993         (create_deps_list, free_deps_list, delete_deps_list): Declare
5994         functions.
5995         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5996         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5997         (copy_deps_list_change_con): Ditto.
5998
5999         (move_dep_link): Declare function.
6000
6001         (struct _dep_node): New type.
6002         (dep_node_t): New typedef.
6003         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6004
6005         (struct haifa_insn_data.back_deps): New field to hold backward
6006         dependencies of the insn.
6007         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6008         to deps_list_t.
6009         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6010         Change its type to deps_list_t.
6011         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6012         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6013         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6014
6015         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6016
6017         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6018
6019         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6020         all callers.
6021         (dep_cost): Declare.
6022
6023         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6024         (ds_to_dk, dk_to_ds): New functions.
6025
6026         (init_dep_1): New static function.
6027         (init_dep): New function.
6028         (copy_dep): New static function.
6029
6030         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6031         functions.
6032         (detach_dep_link): New static function.
6033         (move_dep_link): New function.
6034
6035         (dep_links_consistent_p, dump_dep_links): New static functions.
6036         (debug_dep_links): New debugging function.
6037
6038         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6039
6040         (alloc_deps_list, init_deps_list): New static functions.
6041         (create_deps_list): New function.
6042         (clear_deps_list): New static function.
6043         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6044         (deps_list_consistent_p, dump_deps_list): New static functions.
6045         (debug_deps_list): New function.
6046         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6047         functions.
6048         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6049
6050         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6051         use new scheduler dependencies lists.
6052         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6053         (sched_analyze): Ditto.  Initialize dependencies lists.
6054         (add_forw_dep, compute_forward_dependences): Update to use new
6055         scheduler dependencies lists.
6056
6057         (init_dependency_caches): Init deps_obstack.
6058         (free_dependency_caches): Free deps_obstack.
6059
6060         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6061         new scheduler dependencies lists.
6062         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6063         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6064
6065         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6066         Update to use new scheduler dependencies lists.
6067         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6068         (debug_dependencies): Ditto.
6069         (schedule_region): Update comments.
6070
6071         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6072         scheduler dependencies lists.
6073         (schedule_ebb): Update comments.
6074
6075         * rtl.def (DEPS_LIST): Remove.
6076
6077         * lists.c (unused_deps_list): Remove.
6078         (free_list): Update assertions.
6079
6080         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6081         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6082
6083         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6084         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6085
6086         * haifa-sched.c (comments): Update.
6087         (insn_cost1): Remove.  Inline the code into insn_cost ().
6088         (insn_cost): Update to use new scheduler dependencies lists.  Move
6089         processing of the dependency cost to dep_cost ().
6090         (dep_cost): New function.  Use it instead of insn_cost () when
6091         evaluating cost of the dependency.  Use compatible interface to
6092         interact with the target.
6093         (priority): Update to use new scheduler dependencies lists.
6094         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6095         with greater number of insns that depend on the insn.
6096         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6097         code to free backward dependencies lists.  Inline and optimize code
6098         from resolve_dep () - see PR28071.
6099         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6100         lists.  Update call to targetm.sched.is_costly_dependence hook.
6101
6102         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6103         scheduler dependencies lists.
6104
6105         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6106         (init_h_i_d): Initialize dependencies lists.
6107
6108         (process_insn_depend_be_in_spec): Rename to
6109         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6110         dependencies lists.
6111         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6112         Update to use new scheduler dependencies lists.
6113         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6114
6115         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6116         new scheduler dependencies lists.
6117         (build_intra_loop_deps): Ditto.
6118
6119         * target.h (struct _dep): Declare to use in
6120         gcc_target.sched.is_costly_dependence.
6121         (struct gcc_target.sched.adjust_cost): Fix typo.
6122         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6123         single dep_t parameter instead of an equivalent triad.
6124         (struct gcc_target.sched.adjust_cost_2): Remove.
6125
6126         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6127
6128         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6129
6130         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6131         documentation.
6132         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6133
6134         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6135         (REG_DEP_TRUE): Document.
6136
6137         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6138         Change signature to correspond to the targetm.sched.adjust_cost hook.
6139         Update use in TARGET_SCHED_ADJUST_COST_2.
6140         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6141         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6142         new scheduler dependencies lists.
6143         (ia64_gen_check): Ditto.
6144
6145         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6146         dependencies lists.
6147
6148         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6149         signature to correspond to the targetm.sched.is_costly_dependence hook.
6150         (is_costly_group): Update to use new scheduler dependencies lists.
6151
6152         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6153         instead of INSN_COST () macro.
6154
6155 2007-02-01  Ian Lance Taylor  <iant@google.com>
6156
6157         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6158
6159 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6160
6161         * pa.md (tp_load): Correct mfctl instruction syntax.
6162
6163 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6164
6165         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6166         altivec_padding_size calculation on AIX.  Improve comment, add
6167         assert to verify that it's right.
6168
6169         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6170         64-bit.
6171
6172 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6173
6174         PR inline-asm/28686
6175         * global.c (global_alloc): Add mising initialization of
6176         ELIMINABLE_REGSET.
6177
6178 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6179
6180         * alias.c (init_alias_analysis): Correct whitespace.
6181         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6182         partition_hot_cold_basic_blocks): Likewise.
6183         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6184         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6185         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6186         fold_builtin_snprintf_chk, fold_builtin_printf,
6187         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6188         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6189         * cfgcleanup.c (cleanup_cfg): Likewise.
6190         * cfgexpand.c (tree_expand_cfg): Likewise.
6191         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6192         * function.c (get_next_funcdef_no): Likewise.
6193         * gengtype.c (main): Likewise.
6194         * genmodes.c (main): Likewise.
6195         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6196         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6197         * ifcvt.c (noce_emit_move_insn): Likewise.
6198         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6199         Likewise.
6200         * stor-layout.c (get_best_mode): Likewise.
6201         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6202         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6203         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6204         perform_var_substitution, solve_graph): Likewise.
6205         * tree-vrp.c (vrp_finalize): Likewise.
6206
6207 2007-02-01  Ian Lance Taylor  <iant@google.com>
6208
6209         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6210         high part of a paradoxical subreg, return a constant zero.
6211
6212 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6213
6214         * toplev.c (lang_dependent_init): Call init_set_costs.
6215         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6216
6217 2007-02-01  Richard Guenther  <rguenther@suse.de>
6218
6219         PR middle-end/30656
6220         * fold-const.c (fold_negate_expr): Allow negating a
6221         constant if overflow does not change.
6222
6223 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6224
6225         * doc/c-tree.texi (Expression trees): Improve markup.
6226         * doc/tm.texi (Register Classes, Addressing Modes)
6227         (Floating Point): Fix spacing after abbreviations.  Fix some
6228         typos.
6229
6230 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6231
6232         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6233         * doc/contrib.texi: Likewise.
6234         * doc/install.texi: Likewise.
6235
6236 2007-01-31  Richard Henderson  <rth@redhat.com>
6237             Ian Lance Taylor  <iant@google.com>
6238
6239         * lower-subreg.c: New file.
6240         * rtl.def (CONCATN): Define.
6241         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6242         pass_lower_subreg2.
6243         * emit-rtl.c (update_reg_offset): New static function, broken out
6244         of gen_rtx_REG_offset.
6245         (gen_rtx_REG_offset): Call update_reg_offset.
6246         (gen_reg_rtx_offset): New function.
6247         * regclass.c: Revert patch of 2006-03-05, restoring
6248         reg_scan_update.
6249         (clear_reg_info_regno): New function.
6250         * dwarf2out.c (concatn_loc_descriptor): New static function.
6251         (loc_descriptor): Handle CONCATN.
6252         * common.opt (fsplit_wide_types): New option.
6253         * opts.c (decode_options): Set flag_split_wide_types when
6254         optimizing.
6255         * timevar.def (TV_LOWER_SUBREG): Define.
6256         * rtl.h (gen_reg_rtx_offset): Declare.
6257         (reg_scan_update): Declare.
6258         * regs.h (clear_reg_info_regno): Declare.
6259         * tree-pass.h (pass_lower_subreg): Declare.
6260         (pass_lower_subreg2): Declare.
6261         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6262         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6263         -fsplit-wide-types.
6264         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6265         * Makefile.in (OBJS-common): Add lower-subreg.o.
6266         (lower-subreg.o): New target.
6267
6268 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6269
6270         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6271
6272 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6273
6274         PR target/19087
6275         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6276
6277 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6278
6279         PR middle-end/29335
6280         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6281
6282 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6283
6284         * cfgloop.h: Include vec-prim.h.
6285         (enum li_flags): Remove LI_ONLY_OLD.
6286         (loop_iterator): Changed.
6287         (fel_next, fel_init): Iterate over loop tree.
6288         (FOR_EACH_LOOP_BREAK): New macro.
6289         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6290         FOR_EACH_LOOP.
6291         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6292         * modulo-sched.c (sms_schedule): Ditto.
6293         * tree-vectorizer.c (vectorize_loops): Ditto.
6294         * doc/loop.texi: Update information on loop numbering and behavior of
6295         FOR_EACH_LOOP wrto new loops.
6296         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6297         add_to_evolution_1): Test nestedness of loops instead of comparing
6298         their numbers.
6299         * tree-chrec.c (chrec_fold_plus_poly_poly,
6300         chrec_fold_multiply_poly_poly, chrec_evaluate,
6301         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6302         reset_evolution_in_loop): Ditto.
6303         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6304
6305 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6306
6307         * c-common.c (warn_about_parentheses): Separate warning about
6308         un-parenthized sequence of comparison operators from the one
6309         which is supposed to warn about x <= y <= z.
6310
6311 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6312
6313         * optabs.h (enum optab_index): Add new OTI_isinf.
6314         (isinf_optab): Define corresponding macro.
6315         * optabs.c (init_optabs): Initialize isinf_optab.
6316         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6317         patterns.
6318         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6319         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6320         using isinf_optab.
6321         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6322         expand_builtin_interclass_mathfn.
6323         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6324         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6325         (fxam<mode>2_i387): New insn pattern.
6326         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6327         built-in functions as x87 inline asm.
6328
6329 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6330
6331         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6332
6333 2007-01-30  Eric Christopher  <echristo@apple.com>
6334
6335         * config.gcc: Add geode.
6336
6337 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6338
6339         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6340         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6341         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6342         value-prof.c: Fix comment typos.
6343
6344 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6345
6346         PR c++/24745
6347         * doc/invoke.texi (Wpointer-arith): Document warning.
6348
6349 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6350
6351         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6352         the list of discrepancies from the draft TR.
6353
6354 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6355
6356         PR c++/30601
6357         * doc/invoke.texi (-Wreturn-type): Update description to
6358         match new behavior.
6359
6360 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6361
6362         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6363
6364 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6365
6366         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6367         to handle optabs that operate on floating point input argument and
6368         output to integer output.
6369         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6370         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6371         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6372         expand_builtin_interclass_mathfn ().
6373         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6374         (ilogbsi2): Remove.
6375         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6376         ilogbl built-in functions as x87 intrinsics.
6377
6378 2007-01-30  Richard Guenther  <rguenther@suse.de>
6379
6380         PR middle-end/27657
6381         * dwarf2out.c (reference_to_unused): Query varpool if the
6382         variable was output.
6383
6384 2007-01-30  Richard Guenther  <rguenther@suse.de>
6385
6386         PR middle-end/30313
6387         * passes.c (execute_one_pass): Reset in_gimple_form to not
6388         confuse non-unit-at-a-time mode.
6389
6390 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6391             Richard Guenther  <rguenther@suse.de>
6392
6393         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6394         avoid undefined behaviour on overflow.  Use force_fit_type_double
6395         to construct the constant with the specified TREE_OVERFLOW.
6396
6397 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6398
6399         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6400         * config/dfp-bit.h: Ditto.
6401
6402 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6403
6404         * c-decl.c (pop_scope): Replace warnings with call to
6405         warn_for_unused_label.
6406         * c-common.h (warn_for_unused_label): Declare.
6407         * c-common.c (warn_for_unused_label): Define.
6408
6409 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6410
6411         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6412         function.
6413
6414 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6415
6416         * Makefile.in (USER_H): Remove decfloat.h.
6417         * ginclude/decfloat.h: Delete, moving contents to ...
6418         * ginclude/float.h: Add support for decimal floating point,
6419         guarded by __STDC_WANT_DEC_FP__.
6420
6421 2007-01-29  Mike Stump  <mrs@apple.com>
6422
6423         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6424         Analysis and Representation to resolve case insensitive conflict.
6425         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6426
6427 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6428
6429         * tree.h (struct tree_memory_tag): Add aliases member.
6430         (MTAG_ALIASES): New macro.
6431         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6432         (add_may_alias): Remove pointer-set. Update for may_aliases being
6433         a bitmap.
6434         (mark_aliases_call_clobbered): Update for may_aliases being a
6435         bitmap.
6436         (compute_tag_properties): Ditto.
6437         (create_partition_for): Ditto.
6438         (compute_memory_partitions): Ditto.
6439         (dump_may_aliases_for): Ditto.
6440         (is_aliased_with): Ditto.
6441         (add_may_alias_for_new_tag): Ditto.
6442         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6443         (compute_is_aliased): New function.
6444         (compute_may_aliases): Call compute_is_aliased).
6445         (init_alias_info): Initialize alias_bitmap_obstack.
6446         (union_alias_set_into): New function.
6447         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6448         (have_common_aliases_p): Rewrite to take two bitmaps and use
6449         intersection.
6450         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6451         Update for bitmaps.
6452         (finalize_ref_all_pointers): Update for add_may_alias changes.
6453         (new_type_alias): Ditto.
6454         * tree-flow-inline.h (may_aliases): Return a bitmap.
6455         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6456         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6457         may_aliases being a bitmap.
6458         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6459         may_aliases now returns a bitmap.
6460         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6461         being a bitmap.
6462         * tree-ssa-operands.c (add_virtual_operand): Update for
6463         may_aliases being a bitmap.
6464
6465 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6466
6467         PR tree-optimization/30630
6468         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6469         variable as changed.
6470
6471 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6472
6473         PR c++/28266
6474         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6475         expanded only once even if an error occurs.
6476
6477 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6478
6479         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6480         (__gcov_average_profiler): Likewise.
6481         (__gcov_ior_profiler): Likewise.
6482         (__gcov_merge_ior): Likewise.
6483
6484 2007-01-28  Jan Hubicka  <jh@suse.cz>
6485
6486         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6487         * value-prof.c (stringop_block_profile): Likewise.
6488
6489 2007-01-28  Jan Hubicka  <jh@suse.cz>
6490
6491         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6492         variant handling histograms; add wrapper.
6493         (clear_storage_via_libcall): Export.
6494         (emit_block_move_hints): Break out from ...; add histograms.
6495         (emit_block_move): ... this one.
6496         (clear_storage_hints): Break out from ...; add histograms.
6497         (clear_storage): ... this one.
6498         (set_storage_via_memset): Handle histogram.
6499         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6500         (clear_storage_hints, clear_storage_via_libcall): Declare.
6501         (set_storage_via_setmem): Update prototype.
6502         * doc/md.texi (movmem, setmem): Document new arguments.
6503
6504         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6505         new histograms.
6506         (stringop_block_profile): New global function.
6507         (tree_stringops_values_to_profile): Profile block size and alignment.
6508         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6509         HIST_TYPE_IOR.
6510         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6511         (stringop_block_profile): Declare.
6512         * builtins.c: Include value-prof.h.
6513         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6514         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6515         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6516         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6517         * profile.c (instrument_values): Add new counters.
6518         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6519         calls.
6520         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6521         (tree_init_edge_profiler): Build new profilers.
6522         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6523         (pass_tree_profile): Add dump.
6524         (tree_profile_hooks): Update.
6525         * Makefile.in (LIBGCOV): Add new constants.
6526         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6527         __gcov_ior_profiler): New.
6528         * i386.md (movmem/setmem expanders): Add new optional arguments.
6529
6530 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6531
6532         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6533
6534 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6535
6536         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6537         (tree_unswitch_single_loop): Pass eni_size_weights to
6538         tree_num_loop_insns.
6539         * tree-ssa-loop-manip.c: Include tree-inline.h.
6540         (can_unroll_loop_p): Pass eni_size_weights to
6541         tree_num_loop_insns.
6542         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6543         Pass eni_size_weights to estimate_num_insns.
6544         * tree.h (init_inline_once): Export.
6545         * toplev.c (backend_init): Call init_inline_once.
6546         * cgraphunit.c (cgraph_process_new_functions,
6547         cgraph_analyze_function): Pass eni_inlining_weights to
6548         estimate_num_insns.
6549         * ipa-inline.c (compute_inline_parameters): Ditto.
6550         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6551         to estimate_num_insns.
6552         (try_unroll_loop_completely): Pass eni_size_weights to
6553         tree_num_loop_insns.
6554         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6555         ot estimate_num_insns.
6556         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6557         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6558         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6559         eni_time_weights): New variables.
6560         (init_inline_once): Initialize them.
6561         (struct eni_data): Mew.
6562         (estimate_num_insns_1, estimate_num_insns): Use weights.
6563         * tree-inline.h (struct eni_weights_d): New.
6564         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6565         (estimate_num_insns): Declaration changed.
6566         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6567         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6568         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6569
6570 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6571
6572         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6573         relations in the conflict function is valid.
6574
6575 2007-01-27  Ian Lance Taylor  <iant@google.com>
6576
6577         * common.opt: Add fstrict-overflow.
6578         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6579         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6580         (TYPE_OVERFLOW_UNDEFINED): Define.
6581         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6582         Replace all uses.
6583         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6584         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6585         (fold_negate_expr): Likewise.
6586         (make_range): Likewise.
6587         (extract_muldiv_1): Likewise.
6588         (maybe_canonicalize_comparison): Likewise.
6589         (fold_comparison): Likewise.
6590         (fold_binary): Likewise.
6591         (tree_expr_nonnegative_p): Likewise.
6592         (tree_expr_nonzero_p): Likewise.
6593         * tree-vrp.c (compare_values): Likewise.
6594         (extract_range_from_binary_expr): Likewise.
6595         (extract_range_from_unary_expr): Likewise.
6596         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6597         Likewise.
6598         (nowrap_type_p): Likewise.
6599         * tree-scalar-evolution.c (simple_iv): Likewise.
6600         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6601         (build_range_check): Likewise.
6602         (extract_muldiv_1): Likewise.
6603         (fold_comparison): Likewise.
6604         * tree-vrp.c (vrp_int_const_binop): Likewise.
6605         (extract_range_from_unary_expr): Likewise.
6606         * convert.c (convert_to_integer): Likewise.
6607         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6608         (fold_comparison): Likewise.
6609         (fold_binary): Likewise.
6610         * optabs.c (optab_for_tree_code): Likewise.
6611         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6612         * simplify-rtx.c (simplify_const_relational_operation): Check
6613         flag_strict_overflow and flag_trapv.
6614         (simplify_const_relational_operation): Likewise.
6615         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6616         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6617         -fstrict-overflow.
6618
6619 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6620
6621         * tree.c (tree_fold_gcd): Delete.
6622         * tree.h (tree_fold_gcd): Remove prototype.
6623         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6624         test whether one constant integer is a multiple of another.  Instead
6625         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6626         * fold-const.c (multiple_of_p):  We've determined both TOP and
6627         BOTTOM are integer constants so we can call int_const_binop directly
6628         instead of the more generic const_binop.
6629
6630 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6631
6632         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6633         1*X check that the constant hasn't overflowed, to preserve the
6634         TREE_OVERFLOW bit.
6635         (round_up): Provide an efficient implementation when rouding-up an
6636         INTEGER_CST to a power-of-two.
6637
6638 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6639
6640         * doc/sourcebuild.texi: Add comma for clarity.
6641         * doc/extend.texi: Fix some typos.
6642         * doc/passes.texi: Likewise.
6643         * doc/cppinternals.texi: Likewise.
6644         * doc/c-tree.texi: Likewise.
6645         * doc/tree-ssa.texi: Likewise.
6646         * doc/install.texi: Likewise.
6647
6648 2007-01-27  Jan Hubicka  <jh@suse.cz>
6649
6650         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6651         (pass_sra): Do not require alias information.
6652         * passes.c (init_optimization_passes): Add SRA
6653
6654 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6655
6656         * tracer.c (rest_of_handle_tracer): We already cleaned
6657         up the CFG in tracer() so don't do it here again.
6658         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6659         cleanup_cfg here, either.  And don't call renumber_insns.
6660
6661         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6662         and BB_HEAD are in the insn stream here.  Instead make sure
6663         that BB_INSN is valid on all insns.  Also, do check here that
6664         there are no pending branch predictions...
6665         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6666         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6667         here.
6668
6669 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6670
6671         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6672         function to simplify/factorize operand order canonicalization.
6673         (ix86_fixup_binary_operands): Reorganize using the above function.
6674         (ix86_binary_operator_ok): Likewise.
6675
6676 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6677
6678         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6679         file scope from optimize_attrs.
6680         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6681         up search.
6682         (optimize_attrs): Clear insn_code_values after freeing it.
6683
6684 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6685
6686         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6687         a parts.base assignment.
6688
6689 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6690
6691         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6692         (compute_subscript_distance, initialize_data_dependence_relation,
6693         finalize_ddr_dependent, analyze_ziv_subscript,
6694         analyze_siv_subscript_cst_affine,
6695         compute_overlap_steps_for_affine_univar,
6696         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6697         analyze_siv_subscript, analyze_miv_subscript,
6698         analyze_overlapping_iterations, subscript_dependence_tester_1,
6699         compute_self_dependence, free_dependence_relation): Work
6700         with affine_fn instead of chrecs.
6701         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6702         common_affine_function, affine_function_base,
6703         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6704         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6705         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6706         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6707         (all_chrecs_equal_p): Removed.
6708         * tree-data-ref.h (affine_fn, conflict_function): New types.
6709         (struct subscript): Change type of conflicting_iterations_in_a
6710         and conflicting_iterations_in_b.
6711
6712 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6713
6714         PR other/30182
6715         * config/pa/pa.h (TARGET_HPUX_11): New.
6716         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6717         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6718
6719 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6720         Richard Guenther  <rguenther@suse.de>
6721
6722         * tree-ssa-structalias.c (solve_graph): Handle case
6723         we merged the variable to another.
6724
6725 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6726
6727         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6728         functions.
6729
6730         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6731         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6732
6733 2007-01-25  DJ Delorie  <dj@redhat.com>
6734
6735         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6736         allow changes to modes which don't fit in those registers.
6737
6738         * reload1.c (choose_reload_regs): Check for invalid subregs before
6739         computing their locations, not after.
6740
6741 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6742
6743         PR 25127
6744         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6745         save Altivec registers in an eh_return function.
6746         (compute_vrsave_mask): Likewise.
6747         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6748         for saving Altivec registers.
6749         (rs6000_emit_prologue): Don't allocate stack twice in
6750         eh_return function.  Correct expected value of altivec_save_offset
6751         when using save_world.  Describe save of R0 to stack when using
6752         save_world.  Describe stack pointer adjustment when using
6753         save_world.  Remove duplicated eh_return parameter register saving.
6754         Update sp_offset variable after save_world.
6755         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6756         darwin-world.asm.
6757         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6758         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6759         implies Altivec.
6760
6761 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6762
6763         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6764
6765 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6766
6767         PR other/30182
6768         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6769         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6770
6771 2007-01-25  Richard Guenther  <rguenther@suse.de>
6772
6773         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6774         * common.opt (-Wcoverage-mismatch): New warning option.
6775         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6776         if -Wcoverage-mismatch is given.
6777
6778 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6779
6780         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6781         (ipcp_driver): Change to static definition.
6782         Add dumping of the ifunctions.
6783         (constant_val_insert): Remove unused parameter. Support for SSA.
6784         (ipcp_propagate_const): Support for SSA.
6785         (ipcp_profile_bb_print): Print only analyzed nodes.
6786         (ipcp_replace_map_create): Remove support for Fortran constant
6787         for now.
6788         * ipa-prop.c (ipa_method_modify_stmt,
6789         ipa_callsite_compute_param): Support for SSA.
6790         * ipa-prop.h (ipcp_driver): Remove declaration.
6791         (IS_VALID_TREE_MAP_INDEX): Add define.
6792
6793 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6794
6795         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6796
6797 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6798
6799         PR middle-end/30447
6800         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6801         constant argument to cabs and do it without checking for
6802         -funsafe-math-optimizations.
6803
6804 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6805
6806         * c-common.h (RID_FIRST_CXX0X): New.
6807         (RID_LAST_CXX0X): New.
6808         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6809         by -Wall.
6810         * c.opt (Wc++0x-compat): New.
6811         * doc/invoke.texi (-Wc++0x-compat): Document.
6812
6813 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6814
6815         * builtins.c (fold_builtin_carg): New.
6816         (fold_builtin_1): Use it.
6817
6818 2007-01-24  Jan Hubicka  <jh@suse.cz>
6819
6820         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6821
6822         * ipa-inline.c (initial_insns, max_insns): Delete.
6823         (compute_max_insns): New function.
6824         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6825         of insns as base for code growth.
6826         (cgraph_decide_inlining): Make initial_insns local; do not compute
6827         max_insns.
6828         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6829         * doc/invoke.texi (inline-unit-growth): Update docs.
6830
6831 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6832
6833         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6834         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6835         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6836         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6837         for CPUs that have PTA_CX16 set.
6838
6839         PR middle-end/27416
6840         * gimplify.c (omp_check_private): New function.
6841         (gimplify_scan_omp_clauses): Use it for
6842         firstprivate/lastprivate/reduction.
6843
6844         PR middle-end/30494
6845         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6846         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6847
6848         PR middle-end/30421
6849         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6850         If lower_lastprivate_clauses emits some statements, append them
6851         to dlist rather than body_p and to body_p append an initializer.
6852         (lower_omp_for): Adjust caller.
6853
6854 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6855
6856         * target.h (globalize_decl_name): New.
6857         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6858         * output.h (default_globalize_decl_name): New.
6859         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6860         globalize_label.
6861         (globalize_decl): Ditto.
6862         (default_globalize_decl_name): New.
6863         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6864         (ia64_handle_version_id_attribute): New.
6865         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6866         (ia64_asm_output_external): Use globalize_decl_name instead
6867         of globalize_label.
6868         * doc/extend.texi (version_id): New pragma.
6869         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6870
6871 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6872
6873         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6874         _uleb128_t and _Unwind_SWord with _sleb128_t.
6875         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6876         uw_frame_state_for, uw_update_context_1): Likewise.
6877         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6878         * unwind-pe.h (read_uleb128, read_sleb128,
6879         read_encoded_value_with_base): Likewise.
6880         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6881
6882 2007-01-24  Richard Guenther  <rguenther@suse.de>
6883
6884         * builtins.c (expand_builtin_cexpi): Get the fndecl
6885         for cexp in the correct way.
6886
6887 2007-01-24  Jan Hubicka  <jh@suse.cz>
6888
6889         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6890
6891 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6892
6893         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6894         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6895         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6896         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6897         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6898         __SIZEOF_PTRDIFF_T__.
6899         * doc/cpp.texi: Documentation for the new builtin macros added.
6900
6901 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6902
6903         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6904         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6905         instead of operands[2] to avoid access past the end of array.
6906
6907 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6908
6909         * reload1.c (emit_reload_insns): Pass the reload register
6910         for a non-spill output reload through forget_old_reloads_1.
6911
6912 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6913
6914         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6915         _SOFT_DOUBLE if doubles use software floating-point.
6916         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6917         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6918         * config/rs6000/darwin-ldouble.c: Also compile functions for
6919         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6920         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6921         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6922         commented-out long double override.
6923         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6924         * config/rs6000/eabispe.h: Likewise.
6925         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6926         long double for non-SPE.
6927         (rs6000_handle_option): Likewise.
6928         (invalid_e500_subreg): Disallow more subregs involding DImode,
6929         DFmode, TImode or TFmode.
6930         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6931         E500 double.
6932         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6933         double.
6934         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6935         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6936         double.
6937         (rs6000_legitimate_address): Also check for TFmode for E500
6938         double.
6939         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6940         (spe_build_register_parallel): Handle TFmode and TCmode.
6941         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6942         double.
6943         (function_arg): Handle TFmode and TCmode for E500 double.
6944         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6945         in general.
6946         (print_operand): Handle TFmode and TImode for %y.
6947         (rs6000_generate_compare): Handle TFmode comparisons for E500
6948         double.
6949         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6950         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6951         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6952         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6953         TFmode for E500 double.
6954         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6955         (floatsidf2): Enable for E500 double.
6956         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6957         (extenddftf2): Change to extenddftf2_fprs.
6958         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6959         depending on TARGET_E500_DOUBLE.
6960         (extendsftf2): Enable for E500 double.
6961         (trunctfdf2): Enable for E500 double.
6962         (trunctfsf2): Change to trunctfsf2_fprs.
6963         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6964         depending on TARGET_E500_DOUBLE.
6965         (floatsitf2): Enable for E500 double.
6966         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6967         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6968         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6969         (negtf2): Change to negtf2_internal.
6970         (negtf2): New expander.
6971         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6972         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6973         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6974         (movdi_internal32): Use rs6000_nonimmediate_operand.
6975         (unnamed splitter): Likewise.
6976         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6977         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6978         (SPE64TF, DITI): New mode macros.
6979         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6980         modes.
6981         (frob_tf_ti): New.
6982         (frob_<mode>_di_2): New.
6983         (frob_tf_di_8_2): New.
6984         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6985         (frob_ti_tf): New.
6986         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6987         more modes.
6988         (frob_ti_<mode>_8_2): New.
6989         (frob_ti_tf_2): New.
6990         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6991         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6992         TFmode.
6993         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6994         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6995         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6996         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6997         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6998         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6999         tsttflt_gp): New.
7000
7001 2007-01-23  Ian Lance Taylor  <iant@google.com>
7002
7003         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7004         insn-*.o first.
7005         (OBJS-archive): Reformat, alphabetize.
7006         (OBJS): Change out_object_file to OBJS-md.
7007
7008 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7009
7010         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7011         JUMP_P and CALL_P predicates where applicable.
7012         * config/i386/i386.c: Ditto.
7013         * config/i386/i386.md: Ditto.
7014         * config/i386/mmx.md: Ditto.
7015         * config/i386/predicates.md: Ditto.
7016
7017 2007-01-22  Andreas Schwab  <schwab@suse.de>
7018
7019         * config/m68k/m68k.h: Fix comment.
7020
7021 2007-01-22  Jan Hubicka  <jh@suse.cz>
7022
7023         * passes.c (init_optimization_passes): Do not rerun
7024         pass_early_warn_uninitialized.
7025
7026 2007-01-22  Richard Guenther  <rguenther@suse.de>
7027
7028         PR tree-optimization/30038
7029         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7030         function.
7031         (execute_cse_sincos_1): Likewise.
7032         (execute_cse_sincos): Likewise.
7033         (gate_cse_sincos): Likewise.
7034         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7035         the cexpi() canonicalization of sincos().
7036         * tree-pass.h (pass_cse_sincos): Declare.
7037         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7038
7039 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7040
7041         PR rtl-optimization/29329
7042         * combine.c (replaced_rhs_insn): Rename to i2mod.
7043         (replaced_rhs_value): Rename to i2mod_new_rhs.
7044         (i2mod_old_rhs): New global variable.
7045         (combine_instructions): Adjust for above change.  Save a copy of
7046         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7047         note are substituted in the second instruction.
7048         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7049         ditch the note if it pertains to the second eliminated register
7050         and this register is mentioned in i2mod_old_rhs.
7051
7052         Revert:
7053         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7054
7055         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7056         the insn to which the note was originally attached.
7057
7058 2007-01-21  Jan Hubicka  <jh@suse.cz>
7059
7060         * ipa-inline.c (inlining_mode): Comment, move up.
7061         (cgraph_decide_inlining_incrementally): Do not perform inlining
7062         itself; fix handling of flattening of self recursive functions.
7063         (cgraph_find_cycles): Remove.
7064         (cgraph_flatten_node): Remove.
7065         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7066         (try_inline): New function.
7067         (cgraph_early_inlining): Update call of
7068         cgraph_decide_inlining_incrementally.  Apply inlining here.
7069         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7070
7071 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7072
7073         PR bootstrap/30511
7074         * tree-vrp.c (check_array_bounds): do not warn
7075         about ADDR_EXPR's of ARRAY_REF's which are immediately
7076         used in binary expressions.
7077
7078 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7079
7080         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7081         read_write_dep and macros for its access.
7082         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7083         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7084         argument, call vect_check_interleaving for every independent pair of
7085         data-refs. Mark loads that access the same memory location as a store
7086         in the loop.
7087         (vect_check_dependences): Remove.
7088         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7089         call, fix the call to vect_analyze_data_ref_dependence.
7090         (vect_analyze_data_ref_access): For statements that access the same
7091         data-ref, check that they are not stores; for loads, check that there
7092         is no store that access the same location.
7093
7094 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7095             Joseph Myers  <joseph@codesourcery.com>
7096
7097         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7098         (-fdump-rtl-stack): Likewise.
7099         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7100         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7101         (-mpt-fixed): Use @minus{} for minus sign.
7102         (Using Precompiled Headers): Fix under/overfull hbox.
7103
7104 2007-01-20  Jan Hubicka  <jh@suse.cz>
7105
7106         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7107         place within annotation.
7108
7109 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7110
7111         * pa.c (output_move_double): Change array size of xoperands to 4.
7112
7113 2007-01-20  Jan Hubicka  <jh@suse.cz>
7114
7115         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7116         as temporary.
7117
7118 2007-01-19  Ian Lance Taylor  <iant@google.com>
7119
7120         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7121         constant to unsigned HOST_WIDE_INT before negating.
7122
7123 2007-01-19  Ian Lance Taylor  <iant@google.com>
7124
7125         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7126         to unsigned.
7127         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7128         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7129         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7130         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7131         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7132         (realloc_vdef, realloc_vuse): Change second parameter to
7133         unsigned.
7134         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7135         fields to unsigned.
7136         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7137         unsigned. Change x and lim locals to unsigned.
7138         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7139         unsigned.
7140         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7141         (copy_virtual_operands): Change i and n locals to unsigned.
7142
7143 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7144
7145         PR middle-end/29335
7146         * builtins.c (fold_builtin_1): Handle builtin fdim.
7147
7148 2007-01-20  Jan Hubicka  <jh@suse.cz>
7149
7150         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7151         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7152         init_alias_heapvars.
7153         (init_alias_heapvars): Initialize only when not already initialized.
7154         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7155
7156 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7157
7158         * common.opt (fsigned-zeros): New command line option.
7159         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7160         of flag_unsafe_math_optimizations.
7161         * opts.c (set_fast_math_flags): The -ffast-math command line option
7162         implies -fno-signed-zeros.
7163         (fast_math_flags_set_p): Likewise.
7164
7165         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7166         the documentation of -ffast-math appropriately.  Wrap long lines.
7167
7168 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7169
7170         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7171         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7172
7173 2007-01-19  Tomas Bily  <tbily@suse.cz>
7174
7175         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7176         * tree-profile.c:
7177         (tree_init_ic_make_global_vars): New function
7178         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7179         (tree_gen_ic_profiler): New function
7180         (tree_gen_ic_func_profiler): New function
7181         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7182         (tree_profile_hooks): Added hook for indirec/virtual calls
7183         * value-prof.c (tree_find_values_to_profile): New case for
7184         indirect calls
7185         (tree_values_to_profile): Call for determining indirect/virtual
7186         counters
7187         (tree_indirect_call_to_profile): New function
7188         (tree_ic_transform): New function
7189         (tree_ic): New function
7190         (find_func_by_pid): New function
7191         (init_pid_map): New function
7192         (tree_value_profile_transformations): Added check for
7193         indirect/virtual call transformation
7194         * value-prof.h (enum hist_type): New counter type for
7195         indirect/virtual calls
7196         (profile_hooks): Added new hook for profiling indirect/virtual
7197         calls
7198         * profile.c (instrument_values): New case for indirect/virtual
7199         call added
7200         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7201         (GCOV_COUNTER_V_INDIR): New counter type
7202         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7203         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7204         call added
7205         * cgraph.c: Definition of cgraph_max_pid
7206         (cgraph_create_node): Default init of pid attribute
7207         * cgraph.h: Declaration of cgraph_max_pid
7208         (struct cgraph_node): Added pid attribute
7209         * libgcov.c (__gcov_indirect_call_profiler): New function
7210         (__gcov_one_value_profiler_body): New function
7211         (__gcov_one_value_profiler): Body was moved to
7212         __gcov_one_value_profiler_body and calls it
7213
7214 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7215
7216         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7217         * gengtype.c (write_types_data, write_func_for_structure,
7218         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7219         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7220         (walk_type, write_func_for_structure): Generate the mark_hook if
7221         needed.
7222
7223 2007-01-19  Jan Hubicka  <jh@suse.cz>
7224
7225         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7226         'early' argument take inlining mode argument specifying whether to
7227         inline for size/speeed or all functions; add support for flattening;
7228         improve dumpting.
7229         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7230
7231 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7232
7233         PR c++/17947
7234         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7235         the name of the declared identifier.
7236
7237 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7238
7239         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7240         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7241         duplicate evaluation.
7242
7243 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7244
7245         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7246         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7247         to XFMode, use acosxf2 and truncate result to requested mode.
7248         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7249         (asin<mode>2): Similarly, with asin expanders.
7250         (*fscalexf4_i387): Rename from *fscalexf4.
7251         (expNcorexf3): New expander.
7252         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7253         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7254         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7255         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7256         patterns for SSE math.
7257         (exp10<mode>2): Similarly, with exp10 expanders.
7258         (exp2<mode>2): Similarly, with exp2 expanders.
7259         (expm1<mode>2): Similarly, with expm1 expanders.
7260         (ldexp<mode>3): Similarly, with ldexp expanders.
7261         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7262         Use gen_truncxf<mode>2_i387_noop to truncate result.
7263
7264 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7265
7266         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7267         for ColdFire targets.
7268
7269 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7270             Richard Sandiford  <richard@codesourcery.com>
7271
7272         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7273         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7274         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7275         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7276         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7277         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7278
7279 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7280
7281         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7282         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7283         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7284         (*adddi_dilshr32_cf): New pattern.
7285         (adddi3, subdi3): Remove first alternatives.
7286
7287 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7288
7289         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7290         implemented using move.l, do not use its cc result for floating-point
7291         comparisons.
7292
7293 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7294
7295         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7296         from accepting 's' constraints if flag_pic.
7297
7298 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7299
7300         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7301         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7302         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7303         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7304
7305 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7306
7307         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7308         ColdFire alternatives.
7309         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7310         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7311         architectures that support ff1 instruction.
7312
7313 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7314             Julian Brown  <julian@codesourcery.com>
7315
7316         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7317         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7318         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7319         Add commentary.
7320
7321 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7322
7323         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7324         and return a bool.
7325         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7326         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7327         HOST_WIDE_INT instead of an rtx.
7328         (m68k_rtx_costs): Update call accordingly.
7329         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7330         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7331         Return a bool.
7332         (output_move_simode_const): Update calls after above changes.
7333         Rework to use automatic variables and predicates like MEM_P.
7334         * config/m68k/m68k.md (pushexthisi_const): Update call to
7335         valid_mov3q_const.
7336
7337 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7338
7339         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7340         in dump_flags test.
7341
7342 2007-01-19  Richard Guenther  <rguenther@suse.de>
7343
7344         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7345         via cexp in case sincos is not available.
7346
7347 2007-01-19  Richard Guenther  <rguenther@suse.de>
7348
7349         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7350         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7351         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7352         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7353         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7354         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7355         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7356         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7357
7358 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7359
7360         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7361         New insn patterns.
7362         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7363         (atan2xf3): Directly generate RTL pattern.
7364         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7365         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7366         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7367         disable patterns for SSE math.
7368         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7369         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7370         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7371         disable patterns for SSE math.
7372
7373 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7374
7375         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7376
7377 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7378
7379         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7380         VIEW_CONVERT_EXPR to the same type as it's operand.
7381
7382 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7383
7384         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7385         configured for long double 128.
7386
7387 2007-01-18  Mike Stump  <mrs@apple.com>
7388
7389         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7390         error.
7391
7392 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7393
7394         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7395         type correct.
7396
7397 2007-01-18  Jan Hubicka  <jh@suse.cz>
7398
7399         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7400         greater than NUM_VOP_FREE_BUCKETS.
7401
7402 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7403
7404         * tree-ssa-structalias.c: Update comments.
7405         (ptabitmap_obstack): Removed.
7406         (pta_obstack): New.
7407         (oldpta_obstack): Ditto.
7408         (stats): Add a few members.
7409         (struct variable_info): Remove node, complex, address_taken, and
7410         indirect_target members. Add oldsolution member.
7411         (new_var_info): Do not initialize removed members.
7412         (constraint_expr_type): Remove INCLUDES.
7413         (constraint_graph): Add size, implicit_preds, rep,
7414         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7415         (FIRST_REF_NODE): New macro.
7416         (LAST_REF_NODE): Ditto.
7417         (FIRST_ADDR_NODE): Ditto.
7418         (find): New function.
7419         (unite): Ditto.
7420         (dump_constraint): Do not handle INCLUDES.
7421         (insert_into_complex): Do not insert duplicate constraints.
7422         (condense_varmap_nodes): Renamed and rewritten into ...
7423         (merge_node_constraints): This. Also fix bug in handling of
7424         offseted copy constraints.
7425         (clear_edges_for_node): No longer need to deal with preds at all,
7426         or removing associated preds/succs.
7427         (merge_graph_nodes): Deal with indirect_cycles.
7428         Don't deal with predecessors.
7429         (add_implicit_graph_edge): New function.
7430         (add_pred_graph_edge): Ditto.
7431         (add_graph_edge): Don't deal with predecessors.
7432         (build_constraint_graph): Removed.
7433         (build_pred_graph): New function.
7434         (build_succ_graph): Ditto.
7435         (struct scc_info): Removed in_component. Added roots, dfs, and
7436         node_mapping. Remove visited_index, unification_queue.
7437         (scc_visit): Deal with union-find we do now.
7438         Deal with cycles with REF nodes.
7439         (collapse_nodes): Renamed and rewritten to ...
7440         (unify_nodes): This.
7441         (process_unification_queue): Removed.
7442         (topo_visit): Cleanup
7443         (do_da_constraint): Use find.
7444         (do_sd_constraint): Ditto.
7445         (do_ds_constraint): Ditto.
7446         (do_complex_constraint): Ditto.
7447         (init_scc_info): Update for removed and added members.
7448         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7449         (find_indirect_cycles): This.
7450         (equivalence_class): New variable.
7451         (label_visit): New function.
7452         (perform_variable_substitution): Rewritten.
7453         (free_var_substitution_info): New function.
7454         (find_equivalent_node): Ditto.
7455         (move_complex_constraints): Ditto.
7456         (eliminate_indirect_cycles): Ditto.
7457         (solve_graph): Only propagate changed bits.
7458         Use indirect cycle elimination.
7459         Use find.
7460         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7461         (tree_id_eq): Renamed to ...
7462         (tree_vi_eq): This. Update for member change
7463         (insert_id_for_tree): Renamed and rewritten to ...
7464         (insert_vi_for_tree): This.
7465         (lookup_id_for_tree): Renamed and rewritten to ...
7466         (lookup_vi_for_tree): This.
7467         (get_id_for_tree): Renamed and rewritten to ...
7468         (get_vi_for_tree): Ditto.
7469         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7470         (process_constraint): Don't handle INCLUDES.
7471         Remove special ADDRESSOF case.
7472         (find_func_aliases): Rewrite to use vi functions instead of id
7473         ones.
7474         (create_function_info_for): Ditto.
7475         (create_variable_info_for): Ditto.
7476         (intra_create_variable_infos): Ditto.
7477         (merge_smts_into): Ditto.
7478         (find_what_p_points_to): Ditto.
7479         (init_base_vars): Ditto.
7480         (init_alias_vars): Ditto.
7481         (remove_preds_and_fake_succs): New function.
7482         (dump_sa_points_to_info): Dump new stats.
7483         (dump_solution_for_var): Use find.
7484         (set_used_smts): Fix formatting.
7485         (compute_points_to_sets): Updated for new functions.
7486         (ipa_pta_execute): Ditto.
7487
7488 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7489             Richard Sandiford  <richard@codesourcery.com>
7490
7491         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7492         parallels.
7493         * calls.c (expand_call): If the return value is a PARALLEL,
7494         extract its first member.
7495         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7496         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7497         use FUNCTION_EXTRA_EPILOGUE.
7498         (m68k_function_value): Return a PARALLEL if the return value
7499         is of a pointer type.
7500         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7501         (FUNCTION_EXTRA_EPILOGUE): Remove.
7502         * config/m68k/m68k.md (D0_REG): New constant.
7503
7504 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7505
7506         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7507         output a NOP for empty epilogues.
7508
7509 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7510
7511         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7512         before function.  Extend register save check to include all
7513         registers, not just integer ones.
7514
7515 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7516
7517         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7518         (m68k_use_return_insn): ...this.
7519         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7520         * config/m68k/m68k.c (use_return_insn): Rename to...
7521         (m68k_use_return_insn): ...this.
7522         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7523         of USE_RETURN_INSN.
7524
7525 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7526
7527         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7528         nearest even, fix denormal rounding overflow.
7529
7530 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7531
7532         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7533         f%$smove and f%$move.
7534         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7535         (extendsfdf2_cf): Use fdmove instead of f%&move.
7536         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7537         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7538
7539 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7540
7541         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7542         GPR<-GPR moves.
7543
7544 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7545
7546         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7547         (coldfire_single_format): Declare.
7548         (coldfire_double_format): Likewise.
7549         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7550         of qnan_msb_set to determine the lower bits of a canonical
7551         NaN significand.
7552         (encode_ieee_double): Likewise.
7553         (encode_ieee_quad): Likewise.
7554         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7555         (mips_single_format): Likewise.
7556         (ieee_double_format): Likewise.
7557         (mips_double_format): Likewise.
7558         (ieee_extended_motorola_format): Likewise.
7559         (ieee_extended_intel_96_format): Likewise.
7560         (ieee_extended_intel_128_format): Likewise.
7561         (ieee_extended_intel_96_round_53_format): Likewise.
7562         (ibm_extended_format): Likewise.
7563         (mips_extended_format): Likewise.
7564         (ieee_quad_format): Likewise.
7565         (mips_quad_format): Likewise.
7566         (vax_f_format): Likewise.
7567         (vax_d_format): Likewise.
7568         (vax_g_format): Likewise.
7569         (i370_single_format): Likewise.
7570         (i370_double_format): Likewise.
7571         (decimal_single_format): Likewise.
7572         (decimal_double_format): Likewise.
7573         (decimal_quad_format): Likewise.
7574         (c4x_single_format): Likewise.
7575         (c4x_extended_format): Likewise.
7576         (real_internal_format): Likewise.
7577         (coldfire_single_format): New real_format.
7578         (coldfire_double_format): Likewise.
7579         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7580         canonical_nan_lsbs_set.
7581         (pdp11_d_format): Likewise.
7582         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7583         if TARGET_COLDFIRE_CPU.
7584
7585 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7586
7587         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7588         (output_call, m68k_legitimize_call_address): Declare.
7589         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7590         parenthesees.  Add support for a 'W' constraint.
7591         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7592         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7593         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7594         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7595         variables.
7596         (override_options): Initialize them.  Do not set flag_no_function_cse
7597         for TARGET_ID_SHARED_LIBRARY.
7598         (m68k_output_pic_call): Delete.
7599         (m68k_legitimize_call_address): New function.
7600         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7601         (output_call): New function.
7602         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7603         target address from the GOT if symbolic jumps are not allowed.
7604         * config/m68k/m68k.md (call, general_operand): Do not set
7605         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7606         Merge separate flag_pic and !flag_pic define_insns into...
7607         (*call, *call_value): ...these new patterns.  Match the address
7608         rather than the containing MEM and require it to be a call_operand.
7609         Use output_call to generate the asm template.
7610         * config/m68k/predicates.md (const_call_operand): New predicate.
7611         (call_operand): Likewise.
7612
7613 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7614
7615         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7616         (STACK_GROWS_DOWNWARD): Define to 1.
7617         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7618         comments, emphasizing that these values are only defaults.
7619         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7620         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7621
7622 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7623
7624         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7625
7626 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7627             Richard Sandiford  <richard@codesourcery.com>
7628
7629         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7630         (FP_REGNO_P): New macros.
7631         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7632         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7633         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7634         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7635
7636 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7637
7638         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7639         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7640         to $tmake_file.
7641         * config/m68k/t-floatlib: New file, extracting common code from...
7642         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7643         * config/m68k/t-uclinux: Here.
7644         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7645         routines on ColdFire targets.
7646
7647 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7648
7649         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7650         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7651         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7652         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7653         explicitly set MOTOROLA to 1.
7654         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7655
7656 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7657             Nathan Sidwell  <nathan@codesourcery.com>
7658
7659         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7660         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7661         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7662         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7663         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7664         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7665         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7666         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7667         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7668         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7669         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7670         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7671         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7672         (DBX_REGISTER_NUMBER): Delete.
7673         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7674         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7675         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7676
7677 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7678
7679         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7680         * config/flat.h: New file.
7681         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7682         OBJECT_FORMAT_FLAT.
7683         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7684         indirect references for -msep-data or -mid-shared-library.
7685         Do not use PC-relative code addresses either.
7686         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7687         to -mpcrel.
7688         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7689         for shared libraries and crt1.o for executables.  Use crti.o and
7690         crtbegin.o.
7691         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7692         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7693         Do not add -elf2flt or -shared-lib-id options here.
7694         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7695         Pass -shared-lib-id if -mid-shared-library, taking the library
7696         identifier from -mshared-library-id if given, otherwise
7697         defaulting to 0.
7698         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7699         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7700         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7701         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7702         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7703         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7704         and crtend.o.
7705         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7706         jump sequence for ISA A and ISA A+.
7707         (PICJUMP): Likewise.
7708
7709 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7710
7711         * config.gcc (m68k-*-uclinux*): Base the port on the common
7712         and m68k GNU/Linux files rather than on the generic ELF ones.
7713         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7714         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7715
7716 2007-01-18  Julian Brown  <julian@codesourcery.com>
7717             Richard Sandiford  <richard@codesourcery.com>
7718
7719         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7720         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7721         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7722         before redefining.
7723         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7724         80 unconditionally.
7725         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7726
7727 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7728
7729         * doc/install.texi: Document m68k-uclinuxoldabi.
7730         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7731         * config/m68k/uclinux-oldabi.h: New file, copied from
7732         config/m68k/uclinux.h.
7733
7734 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7735
7736         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7737         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7738         (m32r_compute_frame_size): Use unsigned for regno.
7739         (m32r_reload_lr): Use gen_frame_mem.
7740         (pop): New.
7741         (m32r_output_function_epilogue): Don't output the function epilogue
7742         textually here.
7743         (m32r_expand_epilogue): New.
7744         (direct_return): Return false if the function has the interrupt
7745         attribute.
7746         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7747         * config/m32r/m32r.md (epilogue): New expander.
7748         (return_lr, return_rte): New insns.
7749         (return): Make it expander.
7750         (return_normal): New expander.
7751
7752 2007-01-18  Josh Conner  <jconner@apple.com>
7753
7754         PR target/30485
7755         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7756         support for UNLE, UNLT, UNGE, and UNGT.
7757
7758 2007-01-18  Jan Hubicka  <jh@suse.cz>
7759
7760         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7761         * tree-tailcall (add_virtual_phis): Likewise.
7762         (optimize_tail_call): Return TODOs.
7763         (execute_tail_calls): Return TODOs.
7764         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7765         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7766         changed.
7767         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7768         Cleanup cfg using TODO.
7769         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7770         * passes.c (execute_function_todo): When cleanup did something, remove
7771         unused locals.
7772         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7773         (make_edges): Don't cleanup_cfg.
7774
7775 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7776
7777         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7778         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7779         operate on the top of stack.
7780         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7781         register handling of instructions that output to the second
7782         stack slot.
7783         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7784         (move_for_stack_reg): Special-case check for dead destination
7785         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7786
7787         * config/i386/i386.md (UNSPEC_TAN): New constant.
7788         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7789         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7790         to correctly model move of constant 1.0 to top stack slot.
7791         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7792         (unnamed peephole2 pattern): Remove corresponding peephole2
7793         pattern that optimizes tan insn and loading of constant 1.0.
7794         (tanxf2): Use fptanxf4_i387.
7795         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7796         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7797         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7798         disable patterns for SSE math.
7799         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7800         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7801
7802 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7803             Richard Guenther <rguenther@suse.de>
7804
7805         PR diagnostic/8268
7806         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7807         * common.opt (Warray-bounds): Add new warning option.
7808         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7809         if -Wall is given.
7810         * Makefile.in: make tree-vrp.o depend on toplev.h
7811         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7812         is enabled.
7813         (check_array_refs, check_array_bounds, check_array_ref): New.
7814
7815 2007-01-18  Jan Hubicka  <jh@suse.cz>
7816
7817         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7818         (execute_ssa_ccp): Return flags conditionally.
7819         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7820         changed.
7821         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7822
7823 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7824
7825         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7826         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7827
7828         * Makefile.c (GTFILES): Add cfglayout.h.
7829         * gengtype.c (open_base_files): Likewise.
7830         * cfglayout.c (cfg_layout_function_footer,
7831         cfg_layout_function_header) Reindent to make gengtype happy.
7832         * cfglayout.h (cfg_layout_function_footer,
7833         cfg_layout_function_header): Add GTY(()) marker.
7834
7835         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7836
7837 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7838
7839         * genautomata.c (write_automata): Include xstrerror output in the
7840         error message if writing the DFA description file fails.
7841
7842 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7843
7844         * config/mips/mips-protos.h (mips_output_external): Make it
7845         return void.
7846         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7847         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7848         (extern_list): Likewise.
7849         (extern_head): Likewise.
7850         (TARGET_ASM_FILE_END): Likewise.
7851         (mips_file_end): Likewise.
7852         (mips_output_external): Rewritten.
7853
7854 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7855
7856         * genpreds.c (write_insn_preds_c): Only write out the function
7857         body for regclass_for_constraint if we have register constraints.
7858
7859 2007-01-17  Tom Tromey  <tromey@redhat.com>
7860
7861         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7862         * doc/install.texi (Testing): Use sourceware.org.
7863         (Binaries): Likewise.
7864         (Specific): Likewise.
7865         * doc/contrib.texi (Contributors): Use sourceware.org.
7866
7867 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7868
7869         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7870         (AVR_ENHANCED): Rename to ...
7871         (AVR_HAVE_MUL): ... new.
7872         (avr_enhanced_p): Rename to ...
7873         (avr_have_mul_p): ... new.
7874         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7875         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7876         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7877         (avr_have_mul_p): ... new.
7878         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7879         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7880         'avr_enhanced_p' and 'enhanced'.
7881         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7882         AVR_HAVE_MUL instead of AVR_ENHANCED.
7883         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7884         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7885         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7886         instead of AVR_ENHANCED.
7887         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7888         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7889         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7890
7891 2007-01-17  Ian Lance Taylor  <iant@google.com>
7892
7893         * vec.h (VEC_reserve_exact): Define.
7894         (vec_gc_p_reserve_exact): Declare.
7895         (vec_gc_o_reserve_exact): Declare.
7896         (vec_heap_p_reserve_exact): Declare.
7897         (vec_heap_o_reserve_exact): Declare.
7898         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7899         versions.
7900         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7901         negative parameter.
7902         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7903         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7904         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7905         * vec.c (calculate_allocation): Add exact parameter.  Change all
7906         callers.
7907         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7908         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7909         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7910         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7911         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7912         (vec_heap_p_reserve_exact): New function.
7913         (vec_heap_o_reserve_exact): New function.
7914
7915 2007-01-17  Jan Hubicka  <jh@suse.cz>
7916
7917         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7918
7919 2007-01-17  Eric Christopher  <echristo@apple.com>
7920
7921         * config.gcc: Support core2 processor.
7922
7923 2007-01-16  Jan Hubicka  <jh@suse.cz>
7924
7925         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7926         the names, just unlink the chain so we don't crash on dangling pointers
7927         to dead SSA names.
7928
7929 2007-01-16  Jan Hubicka  <jh@suse.cz>
7930
7931         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7932         * tree-pass.h: Reorder to make IPA passes appear toegher.
7933         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7934         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7935         parameters, do not call early inliner.
7936         * ipa-inline.c: Update comments.  Include tree-flow.h
7937         (cgraph_decide_inlining): Do not compute inlining parameters.
7938         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7939         be called with function context set up.
7940         (pass_ipa_inline): Remove unreachable functions before pass.
7941         (cgraph_early_inlining): Simplify assuming to be called from the
7942         PM as local pass.
7943         (pass_early_inline): New pass.
7944         (cgraph_gate_ipa_early_inlining): New gate.
7945         (pass_ipa_early_inline): Turn into simple wrapper.
7946         (compute_inline_parameters): New function.
7947         (gate_inline_passes): New gate.
7948         (pass_inline_parameters): New pass.
7949         (apply_inline): Move here from tree-optimize.c
7950         (pass_apply_inline): New pass.
7951         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7952         transforming.
7953         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7954         doing them by hand.
7955         (tree_function_versioning): Do not allocate dummy struct function.
7956         * tree-inline.h (optimize_inline_calls): Update prototype.
7957         * tree-optimize.c (execute_fixup_cfg): Export.
7958         (pass_fixup_cfg): Remove
7959         (tree_rest_of_compilation): Do not apply inlines.
7960         * tree-flow.h (execute_fixup_cfg): Declare.
7961         * Makefile.in (gt-passes.c): New.
7962         * passes.c: Include gt-passes.h
7963         (init_optimization_passes): New passes.
7964         (nnodes, order): New static vars.
7965         (do_per_function_toporder): New function.
7966         (execute_one_pass): Dump current pass here.
7967         (execute_ipa_pass_list): Don't dump current pass here.
7968
7969 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7970
7971         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7972         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7973
7974 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7975
7976         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7977         (strong_alias): Define.
7978         (__gcc_qmul): Provide non-FMA for soft-float.
7979         (__gcc_qdiv): Same.
7980         (__gcc_qneg): New.
7981         (__gcc_qeq): New.
7982         (__gcc_qle): New.
7983         (__gcc_qge): New.
7984         (__gcc_qunord): New.
7985         (__gcc_stoq): New.
7986         (__gcc_dtoq): New.
7987         (__gcc_qtos): New.
7988         (__gcc_qtod): New.
7989         (__gcc_qtoi): New.
7990         (__gcc_qtou): New.
7991         (__gcc_itoq): New.
7992         (__gcc_utoq): New.
7993         (fmsub): New.
7994         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7995         soft-float functions.
7996         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7997         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7998         about long double soft float.
7999
8000 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8001             Tehila Meyzels  <tehila@il.ibm.com>
8002
8003         * tree-vectorizer.h (is_pattern_stmt_p): New.
8004         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8005         formatting (tabs instead of spaces). Cleanup and clarify setting
8006         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8007         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8008         (vectorizable_type_demotion): Check that types are integral.
8009         (vectorizable_type_promotion): Likewise.
8010         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8011         comments.
8012
8013 2007-01-16  Jan Hubicka  <jh@suse.cz>
8014
8015         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8016         cgraph edges too.
8017
8018 2007-01-15  Eric Christopher  <echristo@apple.com>
8019
8020         * ifcvt.c: Include vec.h, vecprim.h.
8021         (check_cond_move_block): New argument regs.
8022         Reorganize. Add registers used to regs.
8023         (cond_move_process_if_block): Use regs set above as
8024         loop bounds.
8025
8026 2007-01-15  Eric Christopher  <echristo@apple.com>
8027
8028         * config/darwin.h: Update copyright.
8029         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8030         (LINK_COMMAND_SPEC): Add -u.
8031         (LINK_SPEC): Fix umbrella for above.
8032
8033 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8034
8035         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8036         glibc CVS.
8037
8038 2007-01-15  Tom Tromey  <tromey@redhat.com>
8039
8040         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8041         * doc/install.texi (Testing): Don't mention jacks.
8042         (Configuration): Document --enable-java-maintainer-mode.  Move
8043         --with-java-home to libgcj-specific section.  Document
8044         --with-ecj-jar.
8045         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8046
8047 2007-01-15  Jan Hubicka  <jh@suse.cz>
8048
8049         * tree-ssa-dce.c (DCE_TODOs): New.
8050         (propagate_necessity): Return if something changed.
8051         (eliminate_unnecessary_stmts): Likewise.
8052         (perform_tree_ssa_dce): Return TODO flags when needed.
8053         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8054
8055 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8056
8057         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8058         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8059         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8060         patterns using X87MODEF12 mode macro.  Extend operand 1
8061         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8062         (log10<mode>2): Ditto.
8063         (log2<mode>2): Ditto.
8064         (log1p<mode>2): Ditto.
8065         (logb<mode>2): Ditto.
8066         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8067         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8068         (*fxtractxf3_i387): Rename from *fxtractxf3.
8069         (fxtract_extend<mode>xf3_i387): New insn pattern.
8070         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8071         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8072         and gen_fyl2xxf3_i387().
8073
8074 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8075
8076         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8077         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8078         get_loop_exit_edges.  Changed return type to bool.
8079         * cfgloop.h (fix_loop_placement): Declaration removed.
8080
8081 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8082
8083         * param.h (MIN_VECT_LOOP_BOUND): New.
8084         * params.def (MIN_VECT_LOOP_BOUND): New.
8085         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8086         argument - minimum threshold for number of iterations.
8087         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8088         argument to declaration.
8089         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8090         MIN_VECT_LOOP_BOUND.
8091         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8092         slpeel_tree_peel_loop_to_edge with additional argument.
8093         (vect_do_peeling_for_alignment): Likewise.
8094         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8095
8096 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8097
8098         PR target/30413
8099         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8100         operands of size 1.
8101
8102 2007-01-14  Jan Hubicka  <jh@suse.cz>
8103
8104         * tree-dfa.c (remove_referenced_var): New function.
8105         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8106         prune referenced vars list too.
8107         * tree-flow.h (remove_referenced_var): Declare.
8108
8109 2007-01-14  Jan Hubicka  <jh@suse.cz>
8110
8111         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8112         separately.
8113         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8114         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8115         * except.h (verify_eh_throw_table_statements): Kill prototype.
8116         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8117         into call exrepssions.
8118         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8119         eh trhow verifier.
8120         * tree-cfg.c: Include pointer-set.h.
8121         (verify_node_sharing): Work on pointer set.
8122         (verify_eh_throw_stmt_node): New.
8123         (verify_stmts): Use pointers sets, verify throw_stmt.
8124
8125 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8126
8127         * ipa-reference.c (analyze_function): Consider also addresses taken
8128         in phi nodes.
8129
8130 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8131
8132         * c-typeck.c (null_pointer_constant_p): Replace use of
8133         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8134         (build_c_cast): Likewise.
8135
8136 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8137
8138         * tree.h (force_fit_type_double): Remove unused final argument.
8139         * c-common.c (constant_expression_warning): Replace use of
8140         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8141         (convert_and_check): Likewise.
8142         (shorten_compare): Update call to force_fit_type_double.
8143         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8144         * convert.c (convert_to_pointer): Update call to
8145         force_fit_type_double.
8146         * fold-const.c (force_fit_type_double): Remove overflowed_const
8147         argument.
8148         (int_const_binop, fold_convert_const_int_from_int,
8149         fold_convert_const_int_from_real, fold_div_compare,
8150         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8151         fold_abs_const, fold_not_const): Remove the final argument from
8152         calls to force_fit_type_double.
8153
8154 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8155
8156         * configure.ac: Set insn to "nop" for spu-*-* also.
8157         * configure: Regenerate.
8158
8159 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8160
8161         * builtins.def : Add BUILT_IN_FREE.
8162
8163 2007-01-12  Jan Hubicka  <jh@suse.cz>
8164
8165         PR tree-optimization/30443
8166         * tree-inline.c (tree_function_versioning): Do not optimize when
8167         cloning for inlining.
8168
8169 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8170
8171         * doc/loop.texi: Document recording of loop exits.
8172         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8173         (update_single_exits_after_duplication,
8174         update_single_exit_for_duplicated_loop,
8175         update_single_exit_for_duplicated_loops): Removed.
8176         (duplicate_loop_to_header_edge): Do not call
8177         update_single_exits_after_duplication and
8178         update_single_exit_for_duplicated_loops.
8179         (loop_version): Do not update single_exit information.
8180         (fix_loop_structure): Use record_loop_exits instead of
8181         mark_single_exit_loops.
8182         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8183         the lists of loop exits.
8184         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8185         split_edge, merge_blocks): Update the lists of loop exits.
8186         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8187         loop_optimizer_init.
8188         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8189         of mark_single_exit_loops.
8190         (loop_optimizer_finalize): Call release_recorded_exits.
8191         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8192         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8193         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8194         update single exit information.
8195         * lambda-code.c (perfect_nestify): Ditto.
8196         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8197         (mark_single_exit_loops): Removed.
8198         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8199         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8200         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8201         functions.
8202         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8203         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8204         (verify_loop_structure): Verify consistency of the exit lists.
8205         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8206         (set_single_exit): Removed.
8207         * cfgloop.h (struct loop_exit): New function.
8208         (struct loop): single_exit_ field replaced by exits field.
8209         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8210         (struct loops): Added exits hash.
8211         (mark_single_exit_loops, set_single_exit): Declaration removed.
8212         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8213
8214 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8215
8216         * doc/invoke.texi: Avoid use of @headitem.
8217
8218 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8219
8220         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8221
8222 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8223
8224         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8225         list of targets.
8226
8227 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8228             Richard Sandiford  <richard@codesourcery.com>
8229
8230         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8231         * config/m68k/m68k.opt: Resort options.
8232         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8233
8234 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8235             Richard Sandiford  <richard@codesourcery.com>
8236
8237         * doc/invoke.texi: Document the macros that are defined by
8238         m68k's -mtune and -mhard-float options.
8239         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8240         (m68k_cpp_cpu_family): Likewise.
8241         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8242         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8243         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8244         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8245         (m68k_cpp_cpu_family): Likewise.
8246
8247 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8248
8249         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8250         macros besides mc68000 as tuning macros.  Use a switch statement
8251         to set them and mcpu32.
8252
8253 2007-01-12  Julian Brown  <julian@codesourcery.com>
8254
8255         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8256         (TARGET_68040_ONLY): Rename to...
8257         (TARGET_68040): ...this.
8258         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8259         * config/m68k/m68k.md: Likewise.
8260
8261 2007-01-12  Julian Brown  <julian@codesourcery.com>
8262             Nathan Sidwell  <nathan@codesourcery.com>
8263             Richard Sandiford  <richard@codesourcery.com>
8264
8265         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8266         the -mcpu= argument associated with the --with-cpu setting.
8267         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8268         if different from the one implied by the -mcpu setting.
8269         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8270         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8271         * doc/invoke.texi: Mention ColdFire in the introduction to the
8272         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8273         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8274         -mhard-float.  Document the previously-undocumented -m5206e,
8275         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8276         documentation for consistency.
8277         * doc/install.texi: Mention new --with-cpu arguments.
8278         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8279         default CPU if neither -mcpu nor -march are specified.
8280         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8281         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8282         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8283         using m68k_tune to decide between families that implement the
8284         same ISA.  Use m68k_tune to set __mcfv4e__.
8285         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8286         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8287         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8288         (FL_ISA_C, FL_ISA_MMU): New macros.
8289         (MASK_COLDFIRE): Delete.
8290         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8291         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8292         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8293         (TARGET_HARD_FLOAT): Do not define here.
8294         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8295         (TUNE_68000): New macro.
8296         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8297         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8298         (TUNE_CFV2): Redefine in terms of m68k_tune.
8299         (uarch_type, target_device, fpu_type): New enums.
8300         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8301         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8302         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8303         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8304         (FL_FOR_isa_c): New macros.
8305         (m68k_isa): New enum.
8306         (m68k_target_selection): New structure.
8307         (all_devices, all_isas, all_microarchs): New tables.
8308         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8309         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8310         (MASK_ALL_CPU_BITS): Delete.
8311         (m68k_find_selection): New function.
8312         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8313         Map the legacy target options to a combination of the new ones.
8314         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8315         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8316         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8317         settings.
8318         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8319         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8320         properties.
8321         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8322         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8323         * config/m68k/m68k-devices.def: New file.
8324
8325 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8326             Nathan Sidwell  <nathan@codesourcery.com>
8327
8328         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8329         (SUBTARGET_EXTRA_SPECS): New macros.
8330         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8331         use %(asm_cpu_spec) instead.
8332         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8333         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8334         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8335         (EXTRA_SPECS): Rename to...
8336         (SUBTARGET_EXTRA_SPECS): ...this.
8337
8338 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8339             Richard Sandiford  <richard@codesourcery.com>
8340             Julian Brown  <julian@codesourcery.com>
8341
8342         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8343         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8344         to the configuration's default CPU.
8345         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8346         Remove default masks.
8347         (m680[012]0-*-*): Set the default with_cpu to the first part of
8348         the target name.
8349         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8350         (m68k*-*-linux): Extend the --with-cpu handling to...
8351         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8352         and m68010.  Don't set target_cpu_default2.
8353         * doc/install.texi: Document --with-cpu for m68k.
8354         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8355         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8356         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8357         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8358         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8359         (ASM_SPEC): Remove use of %(asm_cpu_default).
8360         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8361         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8362         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8363         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8364         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8365         (TARGET_DEFAULT): Delete.
8366         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8367         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8368         (CPP_CPU_SPEC): Delete.
8369         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8370         the appropriate string.
8371         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8372         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8373         (ASM_SPEC): Don't use %(asm_default_spec).
8374         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8375         TARGET_DEFAULT and add MASK_68881.
8376         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8377
8378 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8379
8380         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8381         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8382         MASK_68010 alongside MASK_68020.
8383         * doc/invoke.texi: Document -m68010.
8384         * config/m68k/m68k.opt (m68010): New.
8385         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8386         if TUNE_68010.
8387         (TUNE_68010): New macro.
8388         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8389         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8390         (M68K_CPU_m68332): Add MASK_68010.
8391         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8392         fallback definition.
8393         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8394         defines.
8395         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8396         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8397         to all entries that use MASK_68020.
8398         (output_move_simode_const, output_move_himode, output_move_qimode)
8399         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8400         instead of TARGET_68020 to select clr behavior.  Remove comment
8401         about there being no TARGET_68010.
8402         * config/m68k/m68k.md: Likewise throughout.
8403
8404 2007-01-12  Julian Brown  <julian@codesourcery.com>
8405
8406         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8407         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8408         * config/m68k/m68k.md: Likewise.
8409
8410 2007-01-12  Julian Brown  <julian@codesourcery.com>
8411
8412         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8413         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8414
8415 2007-01-12  Julian Brown  <julian@codesourcery.com>
8416
8417         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8418         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8419         * config/m68k/m68k.md: Likewise.
8420
8421 2007-01-12  Julian Brown  <julian@codesourcery.com>
8422             Richard Sandiford  <richard@codesourcery.com>
8423
8424         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8425         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8426         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8427         TARGET_CPU32.
8428         (TARGET_CPU32): Rename to...
8429         (TUNE_CPU32): ...this.
8430         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8431         (TUNE_CFV2): New macros.
8432         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8433         remove conditions that are implied by TARGET_68020.
8434         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8435         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8436         (m68k_output_function_epilogue): Likewise.
8437         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8438         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8439         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8440         non-68000 timings.  Refactor multiplication and division costs.
8441         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8442         TUNE_CPU32 instead of TARGET_CPU32.
8443         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8444         and TUNE_68060 instead of TARGET_68060.
8445         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8446         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8447         TARGET_CPU32.
8448         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8449         && !TARGET_COLDFIRE" to choose between moveq and clr.
8450         Likewise in the unnamed movsf pattern.
8451         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8452         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8453         ashiftrt pattern.
8454
8455 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8456
8457         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8458         of tabbing before backslashes.
8459
8460 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8461
8462         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8463         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8464         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8465
8466 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8467
8468         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8469         find_interesting_uses_cond.
8470         (find_interesting_uses_cond): Use extract_cond_operands.
8471         (rewrite_use_compare): Use extract_cond_operands and
8472         force_gimple_operand_bsi.  Do not call update_stmt.
8473         (determine_use_iv_cost_condition): Use extract_cond_operands.
8474         Return cheaper of using original bound and changing the exit bound.
8475
8476 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8477
8478         PR tree-optimization/29516
8479         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8480         most_expensive_mult_to_index, addr_to_parts,
8481         create_mem_ref, maybe_fold_tmr): Make the type of
8482         fields of TARGET_MEM_REF sizetype.
8483         (move_fixed_address_to_symbol, move_pointer_to_base):
8484         New functions.
8485         * tree.def (TARGET_MEM_REF): Add comment on types of
8486         the operands.
8487
8488 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8489
8490         * c-common.c (vector_types_convertible_p): Treat opaque types as
8491         always convertible if they have the same size, but not otherwise.
8492
8493 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8494
8495         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8496         Remove the b_unconditional field.
8497         (noce_try_sign_mask): Do not look at b_unconditional.
8498         (noce_process_if_block): Do not use merge_if_blocks.  Update
8499         the CFG here.  Do not set b_unconditional.
8500         (cond_move_process_if_block): Likewise.
8501         (find_cond_trap): Likewise.
8502         (check_cond_move_block): Require simple jump insns at the end
8503         of the basic block.
8504
8505 2007-01-11  Jan Hubicka  <jh@suse.cz>
8506
8507         PR tree-optimization/1046
8508         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8509         when alias info is not ready.
8510         (pass_tail_recursion): Do not require aliasing.
8511         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8512         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8513         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8514         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8515         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8516         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8517         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8518         before inlining.
8519         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8520         When aliasing is not build, mark statement as volatile.
8521
8522 2007-01-11  Tom Tromey  <tromey@redhat.com>
8523
8524         PR preprocessor/15185, PR preprocessor/20989:
8525         * doc/cppopts.texi <-MT>: Update description of algorithm for
8526         computing default target.
8527         <-M, -MD>: Reword "basename" text.
8528
8529 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8530
8531         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8532         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8533         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8534         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8535         fold_builtin_bswap, real_constp, fold_builtin_pow,
8536         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8537         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8538         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8539         * convert.c (convert_to_pointer): Likewise.
8540         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8541         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8542         const_binop, fold_convert_const_int_from_int,
8543         fold_convert_const_int_from_real,
8544         fold_convert_const_real_from_real, sign_bit_p,
8545         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8546         fold_sign_changed_comparison, fold_unary, fold_comparison,
8547         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8548         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8549         * print-tree.c (print_node_brief, print_node): Likewise.
8550         * stor-layout.c (place_field, layout_type): Likewise.
8551         * tree-chrec.c (keep_cast): Likewise.
8552         * tree.c (build_vector, build_real, build_real_from_int_cst,
8553         build_complex): Likewise.
8554
8555 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8556
8557         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8558         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8559
8560 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8561
8562         * configure.ac (strict1_warn): Rename to strict_warn.
8563         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8564         cc_set_by_configure, quoted_cc_set_by_configure,
8565         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8566         all_boot_languages, all_stagestuff): Remove.
8567         (target_list): Remove bootstrap targets.
8568         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8569         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8570         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8571         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8572         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8573         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8574         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8575         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8576         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8577         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8578         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8579         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8580         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8581         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8582         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8583         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8584         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8585         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8586         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8587         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8588         (mostlyclean): Adjust.
8589         (clean, distclean): Don't mention bootstrap stuff.
8590         * configure: Regenerate.
8591         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8592         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8593         treelang/config-lang.in (stagestuff): Remove.
8594         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8595         stageprofile, stagefeedback, stagestuff): Remove mention.
8596
8597 2007-01-11  Nick Clifton  <nickc@redhat.com>
8598
8599         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8600         Accept CONSTs.
8601         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8602         (mcore_arith_K_S_operand): Run the test for the S constraint not
8603         the test for the M constraint.
8604         (mcore_addsub_operand): Do not accept integer values that are
8605         larger than 32 bits.
8606         * config/mcore/mcore.md: Remove unused constraints from split.
8607         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8608         (addsi3): Likewise.
8609         (allocate_stack): Likewise.
8610         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8611         operands to 32 bits.
8612         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8613         INTVAL.
8614         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8615         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8616         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8617         mcore_output_bclri, mcore_output_andn, output_inline_const,
8618         mcore_output_move, mcore_output_movedouble): Likewise.
8619         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8620         (output_inline_const): Likewise.
8621         (output_inline_const): Fix format strings used in sprintf
8622         statements.
8623         * config/mcore/mcore-protos.h: Update prototypes for changed
8624         functions in mcore.c.
8625         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8626         HOST_WIDE_INT and not int.
8627         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8628         CONST_OK_FOR_N): Likewise.
8629         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8630         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8631         an INTVAL.
8632
8633 2007-01-10  Jan Hubicka  <jh@suse.cz>
8634
8635         * tree-vrp.c (remove_range_assertions): Release defs.
8636         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8637         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8638
8639 2007-01-10  Paul Brook  <paul@codesourcery.com>
8640
8641         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8642         * config/arm/arm.md (mulsi3subsi): New insn.
8643
8644 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8645
8646         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8647         (tree_transform_and_unroll_loop): New.
8648         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8649         Declare.
8650
8651 2007-01-10  Robert Kennedy <jimbob@google.com>
8652
8653         * fold-const.c (fold_comparison): Fold comparisons like (x *
8654         1000 < 0) to (x < 0).
8655
8656 2007-01-10  Ian Lance Taylor  <iant@google.com>
8657
8658         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8659         operands have the same priority.
8660
8661 2007-01-10  Tom Tromey  <tromey@redhat.com>
8662
8663         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8664         (fold_binary): Likewise.
8665         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8666         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8667         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8668         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8669         * langhooks.h (struct lang_hooks): Removed field
8670         'can_use_bit_fields_p'.
8671
8672 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8673
8674         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8675
8676 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8677
8678         * function.c (get_last_funcdef_no): New function.
8679         * function.h (get_last_funcdef_no): Declare.
8680         * tree-inline.c (initialize_cfun): Add initialization.
8681         (tree_function_versioning): Cleanup.
8682
8683 2007-01-10  Jan Hubicka  <jh@suse.cz>
8684
8685         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8686         PHIs.
8687
8688 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8689             Ben Elliston  <bje@au.ibm.com>
8690
8691         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8692         for SAVE_NONLOCAL and Pmode for any other save level.
8693         * spu-protos.h (spu_restore_stack_block): Declare.
8694         * spu.md (save_stack_block): Remove.
8695         (restore_stack_block): Call spu_restore_stack_block.
8696         * spu.c (spu_restore_stack_block): New function.
8697         (spu_expand_epilogue): Remove old comment.
8698
8699 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8700
8701         PR tree-optimization/30322
8702         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8703         (cand_value_at): Return the value as aff_tree.
8704         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8705         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8706         aff_combination_mult): New functions.
8707         (aff_combination_add): Use aff_combination_add_cst.
8708         (aff_combination_convert): Allow conversions to a wider type.
8709         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8710         * tree-affine.h (aff_combination_mult): Declare.
8711
8712 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8713
8714         * doc/tm.texi: Update documentation to reflect reality of exec
8715         and start file search behaviours. Update copyright year.
8716         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8717         header file directories.
8718
8719 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8720
8721         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8722         (*cosxf2): Rename to cosxf2_i387.
8723         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8724         using X87MODEF12 mode macro. Rename patterns to
8725         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8726         for SSE math.
8727         (*cosdf2, *cossf2): Ditto.
8728         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8729         to match extended input operands.
8730         (sincos<mode>3): New expander.
8731         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8732         insn patterns and corresponding splitters.
8733
8734 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8735
8736         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8737         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8738
8739 2007-01-09  Nicolas Pitre  <nico@cam.org>
8740
8741         PR target/30173
8742         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8743
8744 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8745
8746         * target.h (struct gcc_target): New field library_rtti_comdat.
8747         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8748         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8749         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8750         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8751
8752 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8753
8754         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8755
8756 2007-01-08  Richard Guenther  <rguenther@suse.de>
8757
8758         * tree.h (force_fit_type_double): Export.
8759         (force_fit_type): Remove.
8760         * fold-const.c (force_fit_type_double): New function.
8761         (force_fit_type): Remove.
8762         (int_const_binop): Use it.
8763         (fold_convert_const_int_from_int): Likewise.
8764         (fold_convert_const_int_from_real): Likewise.
8765         (fold_div_compare): Likewise.
8766         (fold_sign_changed_comparison): Likewise.
8767         (fold_unary): Likewise.
8768         (fold_negate_const): Likewise.
8769         (fold_abs_const): Likewise.
8770         (fold_not_const): Likewise.
8771         * c-common.c (shorten_compare): Use force_fit_type_double.
8772         * convert.c (convert_to_pointer): Likewise.
8773
8774 2007-01-08  Richard Guenther  <rguenther@suse.de>
8775
8776         * tree.h (build_int_cst_wide_type): Export.
8777         * tree.c (build_int_cst_wide_type): New function.
8778         (build_int_cst_wide): Fix comment.
8779         * builtins.c (fold_builtin_object_size): Use build_int_cst
8780         to build -1 or 0 of the correct type.  Use fit_double_type
8781         to check for overflow.
8782         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8783         to build the mask.
8784         (decode_field_reference): Likewise.
8785         (all_ones_mask_p): Likewise.
8786         (native_interpret_int): Use build_int_cst_wide_type.
8787         (fold_binary): Use build_int_cst_type to build an all-ones
8788         value.
8789         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8790
8791 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8792
8793         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8794
8795 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8796
8797         * genautomata.c (STATS_OPTION): New option.
8798         (stats_flag): New flag.
8799         (gen_automata_option): Handle it.
8800         (initiate_automaton_gen): Ditto.
8801         (write_automata): Output statistics only if stats_flag is
8802         set. Likewise, output time statistics only if time_flag is set.
8803         * doc/md.texi (Processor pipeline description): Document new flag.
8804
8805 2007-01-08  Richard Guenther  <rguenther@suse.de>
8806
8807         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8808         * tree.c (build_int_cst_type): Likewise.
8809         (size_in_bytes): Don't call force_fit_type on the result.
8810         (int_fits_type_p): Use fit_double_type.
8811         * fold-const.c (fit_double_type): New function.
8812         (force_fit_type): Use it.
8813         * tree.h (fit_double_type): Export.
8814
8815 2007-01-08  Jan Hubicka  <jh@suse.cz>
8816
8817         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8818         * ipa.c (function_and_variable_visibility): Fix return type.
8819
8820 2007-01-08  Richard Guenther  <rguenther@suse.de>
8821
8822         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8823         of offset to build the index.
8824         * tree-pretty-print.c (dump_generic_node): Don't build negated
8825         const just for printing.
8826         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8827         * builtins.c (fold_builtin_int_roundingfn): Check if result
8828         fits the type by using force_fit_type and comparing the result.
8829         * predict.c (predict_loops): Use compare_tree_int for comparison.
8830         * tree.c (build_int_cst): Fall back to integer_type_node for
8831         NULL_TREE type.
8832         (build_int_cst_wide): Assert type is non-null.
8833
8834 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8835
8836         * tree-vrp.c (extract_range_from_cond_expr): New.
8837         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8838         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8839         as expressions.
8840         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8841         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8842         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8843         used as expressions.
8844         * tree-object-size.c (cond_expr_object_size): New.
8845         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8846
8847 2007-01-08  Jan Hubicka  <jh@suse.cz>
8848
8849         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8850         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8851         statement.
8852
8853 2007-01-08  Richard Guenther  <rguenther@suse.de>
8854
8855         PR tree-optimization/23603
8856         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8857         (extract_range_from_binary): Fall back to truthvalue instead of
8858         varying for TRUTH_*_EXPR.
8859         (extract_range_from_comparison): Fall back to truthvalue instead of
8860         varying.
8861         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8862         if all visited PHI values were constant.
8863
8864 2007-01-08  Jan Hubicka  <jh@suse.cz>
8865
8866         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8867         (cgraph_analyze_function): break out from ...
8868         (cgraph_finalize_compilation_unit): ... here.
8869         (cgraph_expand_function): Remove forgoten commented out line.
8870         (cgraph_optimize): Analyze functions.
8871
8872 2007-01-08  Jan Hubicka  <jh@suse.cz>
8873
8874         * tree-pas.h (TODO_remove_function): New flag.
8875         (TODO_update*): Renumber.
8876         (pass_ipa_increase_alignment,
8877         pass_ipa_function_and_variable_visibility): New passes.
8878         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8879         (cgraph_function_and_variable_visibility): Move to ipa.c
8880         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8881         cgraph_increase_alignment.
8882         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8883         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8884         calling tree-inline.
8885         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8886         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8887         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8888         (gate_increase_alignment): New function.
8889         (pass_ipa_increase_alignment): New pass.
8890         * ipa.c: Inline tree-pass.h and timevar.h
8891         (function_and_variable_visibility): Move here from cgraphunit.c
8892         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8893         * passes.c (init_optimization_passes): Add the two new passes.
8894         (execute_todo): Handle cgraph_remove_functions.
8895
8896 2007-01-08  Nick Clifton  <nickc@redhat.com>
8897
8898         * config/frv/predicates.md (reg_or_0_operand): Accept
8899         CONST_DOUBLEs.
8900
8901 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8902
8903         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8904         * config.gcc: Add bfin*-rtems*.
8905
8906 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8907
8908         * c.opt: Add -flax-vector-conversions.
8909         * c-typeck.c (convert_for_assignment): Pass flag to
8910         vector_types_convertible_p to allow emission of note.
8911         (digest_init): Likewise.
8912         * c-opts.c: Handle -flax-vector-conversions.
8913         * c-common.c (flag_lax_vector_conversions): New.
8914         (vector_types_convertible_p): Unless -flax-vector conversions
8915         has been passed, disallow conversions between vectors with
8916         differing numbers of subparts and/or element types.  If such
8917         a conversion is disallowed, possibly emit a note on the first
8918         occasion only to inform the user of -flax-vector-conversions.
8919         The new last argument specifies this.
8920         * c-common.h (flag_lax_vector_conversions): New.
8921         (vector_types_convertible_p): Add extra argument.
8922         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8923         char_type_node for V*QI type vectors.
8924         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8925         Update to satisfy new typechecking rules.
8926         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8927         C and C++ variants.
8928         * doc/invoke.texi (C Dialect Options): Document
8929         -flax-vector-conversions.
8930
8931 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8932
8933         PR tree-optimization/29877
8934         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8935         a register variable on the RHS to not be replaceable.
8936
8937 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8938         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8939         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8940         const_simm15, const_pow2, const_npow2): Added.
8941         * config/score/misc.md (insv, extv, extzv, movmemsi,
8942         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8943         * config/score/score.c (score_address_cost, score_select_cc_mode):
8944         Added.
8945         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8946         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8947         Update score_print_operand.
8948         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8949         Adjust register allocate order and update some macro define.
8950         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8951         mdx_block_move_straight, mdx_block_move_loop_head,
8952         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8953         mdx_block_move): Added.
8954         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8955         mdp_limm): Updated and fix some bug and typo.
8956         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8957         (movsf, movdf, doloop_end): Added.
8958
8959 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8960
8961         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8962         config/arm/thumb2.md: Fix comment typos.
8963         * doc/extend.texi: Fix a typo.
8964
8965 2007-01-07  Eric Christopher  <echristo@apple.com>
8966
8967         * configure.ac: Check for __stack_chk_fail for darwin.
8968         * configure: Regenerate.
8969
8970 2007-01-07  Richard Guenther  <rguenther@suse.de>
8971
8972         * tree-vrp.c (extract_range_from_assert): CSE calls to
8973         compare_values where possible.
8974         (extract_range_from_unary_expr): Likewise.
8975
8976 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8977
8978         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8979         * config/avr/avr.c (call_insn_operand): Delete function.
8980         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8981         instead of register number. Use predicates.
8982         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8983         call_insn_operand): Add.
8984
8985 2007-01-06  Jan Hubicka  <jh@suse.cz>
8986
8987         * tree-pass.h (pass_build_cgraph_edges): Declare.
8988         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8989         (visited_nodes): Remove.
8990         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8991         build_cgrpah_edges; make visited_nodes local.
8992         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8993         (record_references_in_initializer): Move to cgraphbuild.c
8994         (initialize_inline_failed, rebuild_cgraph_edges,
8995         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8996         (verify_cgraph_node): Make visited_nodes local.
8997         (cgraph_analyze_function): Do not call cgraph_create_edges and
8998         initialize_inline_failed.
8999         (cgraph_expand_function): Do not call cgraph_lower_function;
9000         assert that function is already lowered.
9001         * Makefile.in (cgraphbuild.o): New.
9002         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9003         at the end of lowering passes.
9004
9005 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9006
9007         * ifcvt.c (cond_move_convert_if_block): New function, code
9008         factored out from...
9009         (cond_move_process_if_block): ...here.  Call the new function
9010         on the THEN and ELSE blocks.
9011         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9012         already takes care of this.
9013
9014 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9015
9016         PR c/19978
9017         * tree.h (TREE_OVERFLOW_P): New.
9018         * c-typeck.c (parser_build_unary_op): Warn only if result
9019         overflowed and operands did not.
9020         (parser_build_binary_op): Likewise.
9021         (convert_for_assignment): Remove redundant overflow_warning.
9022         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9023
9024 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9025
9026         * c-typeck.c (store_init_value): Split over two lines to follow
9027         the GNU coding style.
9028
9029 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9030
9031         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9032         __GXX_EXPERIMENTAL_CXX0X__.
9033         * doc/cpp.texi: Same.
9034
9035 2007-01-05  Richard Guenther  <rguenther@suse.de>
9036
9037         PR middle-end/27826
9038         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9039         with mismatched types.  Instead explicitly build a
9040         conversion NOP_EXPR.
9041
9042 2007-01-05  Ian Lance Taylor  <iant@google.com>
9043
9044         * c-common.c (decl_with_nonnull_addr_p): New function.
9045         (c_common_truthvalue_conversion): Call it.
9046         * c-typeck.c (build_binary_op): Likewise.
9047         * c-common.h (decl_with_nonnull_addr_p): Declare.
9048
9049 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9050
9051         PR c/30360
9052         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9053         denom against 0.0.
9054
9055 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9056
9057         * doc/install.texi (Final install): Document the fact that
9058         the GNAT runtime should not be stripped.
9059
9060 2007-01-04  Jan Hubicka  <jh@suse.cz>
9061
9062         * tree-inline.c (fold_marked_statements): Update operand caches
9063         and EH after folding
9064
9065 2007-01-04  Ian Lance Taylor  <iant@google.com>
9066
9067         * c-common.c (check_function_nonnull): Whitespace fix.
9068
9069 2007-01-04  Jan Hubicka  <jh@suse.cz>
9070
9071         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9072         comitted older version of patch.
9073         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9074         function, celanup cfg and collect garbage.
9075
9076 2007-01-04  Mike Stump  <mrs@apple.com>
9077
9078         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9079         (clean): Likewise.
9080
9081 2007-01-04  Eric Christopher  <echristo@apple.com>
9082
9083         * libgcc2.c (__bswapsi2): Use SItype.
9084         (__bswapdi2): Use DItype.
9085         * libgcc2.h: Update for above.
9086
9087 2007-01-04  Paul Brook  <paul@codesourcery.com>
9088
9089         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9090         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9091         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9092         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9093         umulsi3_highpart): Make conditional on !arm_arch6.
9094         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9095         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9096         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9097         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9098         umulsi3_highpart_v6): New insns.
9099
9100 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9101
9102         * fold-const.c (fold_convert): When casting an expression to void,
9103         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9104         have a type.  Instead of attempting to build a NOP_EXPR, return
9105         these "special" trees directly.
9106
9107 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9108
9109         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9110         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9111         rs6000_cost->fp not 0 as adjustment for outer NEG.
9112
9113 2007-01-04  Jan Hubicka  <jh@suse.cz>
9114
9115         * cgraph.c (cgraph_release_function_body): New function.
9116         (cgraph_remove_node): Use it.
9117         * cgraph.h (cgraph_release_function_body): Declare.
9118         * cgraphunit.c (cgraph_expand_function): Use it.
9119         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9120         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9121         is initialized and while compilation of other function is running.
9122         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9123         statement CFG annotations from here to ...
9124         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9125
9126 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9127
9128         * cfgloop.h (enum li_flags): Make the constants powers of two.
9129
9130 2007-01-04  Jan Hubicka  <jh@suse.cz>
9131
9132         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9133         set.
9134         (fold_marked_statements): New function.
9135         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9136         * tree-inline.h (copy_body_data): Add statements_to_fold.
9137
9138 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9139
9140         * config.gcc: Mention libgcc/config.host.
9141         * Makefile.in: Update comments mentioning libgcc.
9142         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9143         (all.cross, start.encap, rest.encap, rest.cross): Update
9144         dependencies for libgcc move.
9145         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9146         (clean-target, clean-target-libgcc): Delete.
9147         (srcdirify, GCC_EXTRA_PARTS): New macros.
9148         (libgcc-support, libgcc.mvars): New rules.
9149         (distclean): Remove mention of mklibgcc.
9150         (install): Don't reference INSTALL_LIBGCC.
9151         (install-common): Don't reference EXTRA_PARTS.
9152         (install-libgcc, install-multilib): Delete rules.
9153         * mklibgcc.in: Delete file.
9154         * doc/configfiles.texi: Don't mention mklibgcc.
9155
9156         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9157         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9158         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9159         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9160         (mklibgcc, ldblspecs): Likewise.
9161
9162         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9163         (posixpre.def): Use $(T).
9164         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9165         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9166         (SHLIB_LINK): Make dummy.
9167         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9168
9169         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9170
9171         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9172         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9173         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9174         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9175
9176         * configure.ac (all_outputs): Remove mklibgcc.
9177         * configure: Regenerated.
9178
9179 2007-01-03  Josh Conner  <jconner@apple.com>
9180
9181         PR middle-end/29683
9182         * calls.c (compute_argument_addresses): Set stack and stack_slot
9183         for partial args, too.
9184         (store_one_arg): Use locate.size.constant for the size when
9185         generating a save_area.
9186
9187 2007-01-03  Robert Kennedy <jimbob@google.com>
9188
9189         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9190         whose definitions are deleted due to basic block merging.
9191
9192 2007-01-03  Paul Brook  <paul@codesourcery.com>
9193
9194         PR target/16634
9195         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9196         functions.
9197         (use_return_insn): Return 0 for Thumb interrupt functions.
9198         (print_multi_reg): Add rfe argument for IRQ returns.
9199         (arm_output_epilogue): Pop interrupt return address directly into PC.
9200         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9201
9202 2007-01-03  Paul Brook  <paul@codesourcery.com>
9203
9204         Merge from sourcerygxx-4_1.
9205         * config/arm/thumb2.md: New file.
9206         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9207         Thumb-2.
9208         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9209         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9210         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9211         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9212         tables.
9213         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9214         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9215         comptibility.
9216         * config/arm/ieee754-sf.S: Ditto.
9217         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9218         (thumb1_base_register_rtx_p): ... to this.
9219         (thumb_index_register_rtx_p): Rename...
9220         (thumb1_index_register_rtx_p): ... to this.
9221         (thumb_output_function_prologue): Rename...
9222         (thumb1_output_function_prologue): ... to this.
9223         (thumb_legitimate_address_p): Rename...
9224         (thumb1_legitimate_address_p): ... to this.
9225         (thumb_rtx_costs): Rename...
9226         (thumb1_rtx_costs): ... to this.
9227         (thumb_compute_save_reg_mask): Rename...
9228         (thumb1_compute_save_reg_mask): ... to this.
9229         (thumb_final_prescan_insn): Rename...
9230         (thumb1_final_prescan_insn): ... to this.
9231         (thumb_expand_epilogue): Rename...
9232         (thumb1_expand_epilogue): ... to this.
9233         (arm_unwind_emit_stm): Rename...
9234         (arm_unwind_emit_sequence): ... to this.
9235         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9236         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9237         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9238         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9239         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9240         thumb2_output_casesi): New functions.
9241         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9242         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9243         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9244         THUMB2_WORK_REGS): Define.
9245         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9246         arm_condexec_mask, arm_condexec_masklen)): New variables.
9247         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9248         (arm_override_options): Check new CPU capabilities.
9249         Set new architecture flag variables.
9250         (arm_isr_value): Handle v7m interrupt functions.
9251         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9252         Thumb-2.
9253         (const_ok_for_arm): Handle Thumb-2 constants.
9254         (arm_gen_constant): Ditto.  Use movw when available.
9255         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9256         functions.
9257         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9258         (thumb_find_work_register, arm_load_pic_register,
9259         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9260         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9261         print_multi_reg, output_mov_long_double_fpa_from_arm,
9262         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9263         output_mov_double_fpa_from_arm, output_move_double,
9264         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9265         output_return_instruction, arm_output_function_prologue,
9266         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9267         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9268         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9269         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9270         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9271         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9272         '!' and 'L'.
9273         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9274         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9275         (arm_file_start): Output directive for unified syntax.
9276         (arm_unwind_emit_set): Handle stack alignment instruction.
9277         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9278         Add v6t2, v7, v7a, v7r and v7m.
9279         (RETLDM): Add Thumb-2 code.
9280         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9281         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9282         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9283         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9284         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9285         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9286         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9287         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9288         ADJUST_INSN_LENGTH): Define.
9289         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9290         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9291         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9292         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9293         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9294         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9295         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9296         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9297         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9298         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9299         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9300         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9301         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9302         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9303         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9304         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9305         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9306         cortex-m3.
9307         * config/arm/arm-tune.md: Regenerate.
9308         * config/arm/arm-protos.h: Update prototypes.
9309         * config/arm/vfp.md: Enable patterns for Thumb-2.
9310         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9311         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9312         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9313         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9314         * config/arm/libunwind.S: Add Thumb-2 code.
9315         * config/arm/constraints.md: Update include Thumb-2.
9316         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9317         * config/arm/ieee754-df.S: Ditto.
9318         * config/arm/bpabi.S: Ditto.
9319         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9320         * config/arm/predicates.md (low_register_operand,
9321         low_reg_or_int_operand, thumb_16bit_operator): New.
9322         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9323         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9324         * config/arm/t-arm-elf: Add armv7 multilib.
9325         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9326         Include thumb2.md.
9327         (UNSPEC_STACK_ALIGN, ce_count): New.
9328         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9329         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9330         insns/expanders.
9331         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9332         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9333         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9334         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9335         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9336         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9337         insns.
9338         * doc/extend.texi: Document ARMv7-M interrupt functions.
9339         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9340
9341 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9342
9343         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9344         (struct _Unwind_Context): Rename args_size to flags, remove
9345         signal_frame field, add a new args_size field and version field.
9346         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9347         _Unwind_IsExtendedContext): New inline functions.
9348         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9349         Assume by_value array is only present if _Unwind_IsExtendedContext.
9350         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9351         _Unwind_IsSignalFrame.
9352         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9353         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9354         (uw_init_context_1): Initialize context->flags to
9355         EXTENDED_CONTEXT_BIT.
9356         * config/rs6000/linux-unwind.h (frob_update_context): Use
9357         _Unwind_SetSignalFrame.
9358
9359 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9360
9361         PR middle-end/30353
9362         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9363         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9364         the value.
9365
9366 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9367
9368         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9369         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9370         RET, AT_SP): Remove.
9371         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9372         instead of RET.
9373
9374         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9375         * cfgbuild.c (find_basic_blocks): Likewise.
9376         * cfgrtl.c (rtl_create_basic_block): Likewise.
9377         * function.c (temp_slots_at_level): Likewise.
9378         * reg-stack.c (stack_regs_mentioned): Likewise.
9379         * regclass.c (allocate_reg_info): Likewise.
9380         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9381         set_bb_for_stmt, move_block_to_fn): Likewise.
9382         * tree-complex.c (tree_lower_complex): Likewise.
9383         * vec.h (VEC_safe_grow_cleared): New.
9384
9385         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9386
9387 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9388
9389         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9390         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9391         to loop_version.
9392         * cfgloopmanip.c (scale_loop_frequencies): Export.
9393         (loopify): Scale the frequencies by prescribed coefficients.
9394         (set_zero_probability): New function.
9395         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9396         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9397         and frequencies according to arguments.
9398         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9399         correctly.
9400         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9401         * modulo-sched.c (sms_schedule): Set probabilities for entering
9402         versioned loop correctly.
9403         * tree-vect-transform.c (vect_transform_loop): Ditto.
9404         * cfgloop.h (loopify, loop_version): Declaration changed.
9405         (scale_loop_frequencies): Declared.
9406
9407 2007-01-02  Jan Hubicka  <jh@suse.cz>
9408
9409         * cgraph.c: Include tree-flow.h
9410         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9411         early_local_passes.
9412         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9413         * tree-pass.h (pass_all_early_optimizations): Declare.
9414         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9415         early_local_passes.
9416         (cgraph_analyze_function): Do early_local_passes.
9417         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9418         Do not add referenced vars.
9419         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9420         SSA form.
9421         (gate_all_early_local_passes): New gate.
9422         (pass_early_local_passes): Use new gate.
9423         (execute_early_local_optimizations): New functions.
9424         (gate_all_early_optimizations): New gate.
9425         (pass_all_early_optimizations): New pass.
9426         (execute_free_datastructures): Free SSA only when initialized.
9427         (gate_init_datastructures): Init only when optimizing.
9428         (tree_lowering_passes): Do early local passes when called late.
9429         * tree-profile.c (do_tree_profiling): Don't profile functions added
9430         late.
9431         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9432         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9433         not active.
9434         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9435         during early_local_passes.
9436         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9437
9438
9439 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9440
9441         * Makefile.in: Update copyright year.
9442
9443 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9444
9445         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9446         in $(lang_checks) and check-consistency targets.
9447
9448 2007-01-02  Jan Hubicka  <jh@suse.cz>
9449
9450         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9451         Do not add referenced vars.
9452         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9453         are not active.
9454         * passes.c (init_optimization_passes): Put mudflap_2 after
9455         free_datastructures.
9456
9457 2007-01-02  Jan Hubicka  <jh@suse.cz>
9458
9459         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9460         Set NOTHROW flag on call statements proved to be nothrow.
9461         Update statement of local calls so new pure/const functions are
9462         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9463         goto receivers.
9464         (tree_rest_of_compilation): Register hooks and initialize bitmap
9465         early. Do not set after_inlining flag.
9466
9467 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9468
9469         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9470         HOST_BITS_PER_LONGLONG
9471
9472 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9473
9474         PR c/19977
9475         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9476         warning for non-static initializers.
9477
9478 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9479
9480         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9481         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9482         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9483         Always use set_unique_reg_note to add REG_EQUAL notes.
9484
9485 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9486
9487         Revert:
9488         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9489
9490         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9491         * cfgbuild.c (find_basic_blocks): Likewise.
9492         * cfgrtl.c (rtl_create_basic_block): Likewise.
9493         * function.c (temp_slots_at_level): Likewise.
9494         * reg-stack.c (stack_regs_mentioned): Likewise.
9495         * regclass.c (allocate_reg_info): Likewise.
9496         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9497         set_bb_for_stmt, move_block_to_fn): Likewise.
9498         * tree-complex.c (tree_lower_complex): Likewise.
9499         * vec.h (VEC_safe_grow_cleared): New.
9500
9501 2007-01-02  Ian Lance Taylor  <iant@google.com>
9502
9503         * c-common.c (c_common_truthvalue_conversion): When warning about
9504         using an assignment as a truth value, set TREE_NO_WARNING.
9505
9506 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9507
9508         PR middle-end/7651
9509         * c.opt (Wold-style-declaration): New.
9510         * doc/invoke.texi (C-only Warning Options): New.
9511         (Wold-style-declaration): Document it.
9512         (Wextra): Enabled by -Wextra.
9513         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9514         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9515         -Wold-style-declaration.
9516
9517 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9518
9519         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9520         * cfgbuild.c (find_basic_blocks): Likewise.
9521         * cfgrtl.c (rtl_create_basic_block): Likewise.
9522         * function.c (temp_slots_at_level): Likewise.
9523         * reg-stack.c (stack_regs_mentioned): Likewise.
9524         * regclass.c (allocate_reg_info): Likewise.
9525         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9526         set_bb_for_stmt, move_block_to_fn): Likewise.
9527         * tree-complex.c (tree_lower_complex): Likewise.
9528         * vec.h (VEC_safe_grow_cleared): New.
9529
9530 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9531
9532         * c-common.c (c_common_nodes_and_builtins): Since variants of
9533         void_type_node get built before it is given a name, we need to
9534         give those variants the name, too.
9535         (complete_array_type): We need to work with the canonical main
9536         type of the array, from which we will build the qualified version.
9537         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9538         * print-tree.c (print_node): Display canonical type information
9539         for each type.
9540         * stor-layout.c (layout_type): When we don't know the
9541         alignment of a type for which we're building an array, we end up
9542         guessing wrong, so make the type require structural equality.
9543         * tree.c (make_node_stat): When we build a new type, it is its
9544         own canonical type.
9545         (build_type_attribute_qual_variant): When building an attribute
9546         variant, its canonical type is the non-attribute variant. However,
9547         if the attributes are target-dependent and they differ, we need to
9548         use structural equality checks for this type.
9549         (build_qualified_type): A qualified type is not equivalent to its
9550         unqualified variant; set the canonical type appropriately.
9551         (build_distinct_type_copy): When building a distinct type from
9552         another type, the new type is its own canonical type.
9553         (build_variant_type_copy): When building a new type variant, we
9554         assume that it is equivalent to the original type.
9555         (build_pointer_type_for_mode): When building a pointer type, also
9556         build a canonical type pointer.
9557         (build_reference_type_for_mode): When building a reference type,
9558         also build a canonical type reference.
9559         (build_index_type): When we can't hash an index type (e.g.,
9560         because its maximum value is negative), the index type requires
9561         structural equality tests.
9562         (build_array_type): Build the canonical form of an array type.
9563         (build_function_type): Function types require structural equality,
9564         because they contain default arguments, attributes, etc.
9565         (build_method_type_directly): Ditto for method types.
9566         (build_offset_type): Build the canonical offset type.
9567         (build_complex_type): Build the canonical vector type.
9568         (make_vector_type): Build the canonical vector type.
9569         * tree.h (TYPE_CANONICAL): New.
9570         (TYPE_STRUCTURAL_EQUALITY_P): New.
9571         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9572         (struct tree_type): Added "canonical" field.
9573         * params.h (VERIFY_CANONICAL_TYPES): New.
9574         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9575         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9576         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9577         * doc/invoke.texi (verify-canonical-types): Document --param
9578         parameter for verifying canonical types.
9579
9580 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9581
9582         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9583         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9584         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9585         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9586         tm_file.
9587         * config/rs6000/e500.h: New.
9588         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9589         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9590         Remove.
9591         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9592         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9593         TARGET_E500_DOUBLE): Remove.
9594         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9595         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9596         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9597         * config/rs6000/rs6000.c (rs6000_override_options): Use
9598         CHECK_E500_OPTIONS.
9599
9600 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9601
9602         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9603         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9604         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9605         rs6000_emit_cmove): Don't check TARGET_E500.
9606         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9607         sordered): Don't check TARGET_E500.
9608
9609 2007-01-01  Eric Christopher  <echristo@apple.com>
9610
9611         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9612         HARD_REGISTER_NUM_P.
9613
9614 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9615
9616         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9617         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9618         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9619         eq/ne Y".
9620
9621 2007-01-01  Mike Stump  <mrs@apple.com>
9622
9623         * configure.ac: Remove support for building with Apple's gcc-3.1.
9624
9625 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9626
9627         PR middle-end/30311
9628         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9629         REG is a hard register.  Do not modify REG before calling
9630         subreg_nregs.
9631         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9632         multiple of the size of YMODE for certain lowpart cases.
9633
9634 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9635
9636         PR middle-end/30253
9637         * gimplify (voidify_wrapper_expr): Update for
9638         GIMPLE_MODIFY_STMT.
9639
9640 2007-01-01  Andreas Schwab  <schwab@suse.de>
9641
9642         PR target/29166
9643         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9644         save of BR0 in extra_spill_size instead of spill_size.
9645         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9646         area.
9647         (ia64_expand_epilogue): Restore BR0 from its new location.
9648
9649 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9650
9651         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9652         Use a temporary variable if the left hand side is not a gimple
9653         register.
9654
9655 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9656
9657         * gimplify.c (gimplify_return_expr): Make the temporary variable
9658         for the return expression, a gimple register variable.
9659
9660 2007-01-01  Jan Hubicka  <jh@suse.cz>
9661
9662         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9663         INSN_LIST.
9664
9665 2007-01-01  Mike Stump  <mrs@apple.com>
9666
9667         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9668         .literal16.
9669         * config/darwin.c (machopic_select_rtx_section): Use
9670         HAVE_GAS_LITERAL16.
9671         (darwin_mergeable_constant_section): Likewise.
9672         * configure: Regenerate.
9673         * config.in: Regenerate.
9674
9675 2007-01-01  Jan Hubicka  <jh@suse.cz>
9676             Andrew Pinski  <pinskia@gmail.com>
9677
9678         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9679         before starting IPA passes.