2007-03-01 Paul Brook <paul@codesourcery.com>
[official-gcc.git] / gcc / ChangeLog
1 2007-03-01  Paul Brook  <paul@codesourcery.com>
2
3         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4         modes to LDRD for DImode.
5         (output_move_double): Fixup out of range ldrd/strd.
6         (vfp_secondary_reload_class): Rename...
7         (coproc_secondary_reload_class): ... to this.  Add wb argument.
8         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
9         coproc_secondary_reload_class for CLASS_IWMMXT.
10         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
12
13 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
14
15         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
16         factor by the estimated number of iterations.
17         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
18         prefetch latency.
19
20 2007-03-01  Richard Henderson  <rth@redhat.com>
21
22         * expr.c (emit_move_complex_push): Export.
23         (emit_move_complex_parts): Split out from ...
24         (emit_move_complex): ... here.
25         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
26         * config/i386/i386.md (movcdi): New.
27
28 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
29
30         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
31         size of mode1 to check for tieable modes in MMX case.
32
33 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
34
35         * Makefile.in (rtlanal.o): Depend on tree.h.
36         * rtl.h (offset_within_section_p, split_const): Declare.
37         * rtlanal.c: Include tree.h.
38         (offset_within_block_p): New function, taken from
39         mips_offset_within_object_p.
40         (split_const): New function, taken from mips_split_const.
41         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
42         Declare.
43         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
44         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
45         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
46         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
47         (m68k_illegitimate_symbolic_constant_p): New function.
48         * config/m68k/m68k.md (movsi): Remove misleading predicates.
49         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
50         symbolic constant that might be outside the symbol's section,
51         move the symbol first and then add the offset.
52         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
53         Override.
54         * config/mips/mips.c (mips_split_const): Delete.
55         (mips_offset_within_object_p): Delete.
56         (mips_symbolic_constant_p): Use offset_within_section_p and
57         split_const instead of mips_offset_within_object_p and
58         mips_split_const.
59         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
60         (mips_legitimize_const_move, print_operand_reloc)
61         (mips_dangerous_for_la25_p): Use split_const instead of
62         mips_split_const.
63
64 2007-02-28  Eric Christopher  <echristo@apple.com>
65
66         * Makefile.in (install-include-dir): Don't rm -rf include.
67
68 2007-02-28  Richard Guenther  <rguenther@suse.de>
69
70         PR middle-end/30364
71         * fold-const.c (fold_binary): Do not associate expressions
72         with more than one variable for integer types that do not wrap.
73
74 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
75
76         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
77         Delete, and replace with...
78         (fold_builtin_call_array): This.  Update callers to use it.
79         * fold-const.c (fold_build_call_list): Delete, and replace with...
80         (fold_build_call_array): This.
81         (fold_build_call_list_initializer): Delete, and replace with...
82         (fold_build_call_array_initializer): This.
83         * tree.h: Update declarations to reflect above changes.
84
85         * c-typeck.c (build_function_call): Store converted arguments
86         in a stack-allocated array instead of building a list.
87         (convert_arguments): Store arguments in the array passed in as an
88         argument, and return the actual number of arguments.
89         * c-format.c: (check_function_format): Pass arguments in an
90         array instead of a list.
91         * c-common.c (check_function_nonnull): Likewise.
92         (check_function_sentinel): Likewise.
93         (check_function_arguments): Likewise.
94         * c-common.h: Update declarations to reflect above changes.
95
96 2007-02-28  Jan Hubicka  <jh@suse.cz>
97
98         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
99         PRED_NEGATIVE_RETURN): Update outcomes.
100
101 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
102
103         * calls.c (emit_library_call_value_1): Handle partial registers
104         correctly when building up CALL_INSN_FUNCTION_USAGE.
105
106 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
107
108         * pa/predicates.md (move_src_operand): Allow zero for mode.
109         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
110         move pattern.
111
112 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
113
114         PR target/30970
115         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
116         *movv2df_internal): Enable pattern only for valid operand
117         combinations.
118         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
119         tie only 128bit modes. For MMX registers, tie only 64bit modes.
120
121 2007-02-27  Mike Stump  <mrs@apple.com>
122
123         * config/darwin-crt3.c: Avoid compilation when compiling for a
124         kext multilib.
125
126 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
127
128         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
129         FIXED_INCLUDE_DIR.
130         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
131         for fixed headers and limits.h.
132         (install-include-dir, install-headers-tar, install-headers-cpio,
133         install-headers-cp, real-install-headers-tar,
134         real-install-headers-cpio, real-install-headers-cp): Handle
135         include-fixed as well as include.
136         (install-mkheaders): Don't install files that go only in include
137         not include-fixed.
138         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
139         from GCC_INCLUDE_DIR.
140         * gcc.c (process_command): Remove special -BstageN/ handling.
141         (do_spec_1): Add include-fixed directories.
142
143 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
144
145         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
146         _smulsi3_highpart.
147         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
148         New functions.
149         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
150         patterns.
151
152 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
153
154         * c-common.c (get_priority): Add check for
155         SUPPORTS_INIT_PRIORITY.
156
157 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
158
159         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
160
161         * config/bfin/bfin.c: Include "cfglayout.h".
162         (MAX_LSETUP_DISTANCE): New macro.
163         (struct loop_info): New members incoming, incoming_src and
164         incoming_dest.  Delete member predecessor.
165         (length_for_loop): New function.
166         (bfin_optimize_loop): Handle more different loop structures.
167         (bfin_discover_loop): Rework detection of predecessor blocks by
168         examining incoming edges.
169         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
170         bfin_reorg_loops.
171         (bfin_reorder_loops): New function.
172         (bfin_reorg_loops): Use these three new functions.
173
174         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
175         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
176         (CONSTRAINT_LEN): Add entry for 'q'.
177         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
178         Add 'q' constraints.
179         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
180         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
181
182         * config/bfin/bfin.md (add_with_carry): New pattern.
183         (s_or_u, su_optab, su_modifier): New code macros/attrs.
184         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
185         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
186         support unsigned multiplies too.  Removed incorrect commutativity from
187         operand 1 constraint where appropriate.
188         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
189         patterns.
190         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
191         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
192         New patterns.
193         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
194         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
195         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
196         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
197         usmulhisi_hh_huh): New patterns.
198
199         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
200         lshifthi3): Fix output template to use half reg for operand 2.
201
202         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
203         instead of R2.
204
205         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
206
207 2007-02-27  Andreas Schwab  <schwab@suse.de>
208
209         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
210
211 2007-02-27  Jan Hubicka  <jh@suse.cz>
212
213         * predict.c (last_basic_block_p): Remove.
214         (tree_estimate_probability): Update return heuristic for commonized
215         return blocks.
216
217 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
218
219         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
220
221 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
222
223         * doc/include/gcc-common.texi (versionsubtitle): New macro.
224         * doc/cpp.texi: Standardize title page.
225         * doc/cppinternals.texi: Likewise.
226         * doc/gcc.texi: Standardize title page, remove version number
227         from copyright page.
228         * doc/gccint.texi: Likewise.
229         * doc/install.texi: Standardize title page, add table of
230         contents.
231
232 2007-02-26  Jan Hubicka  <jh@suse.cz>
233
234         * predict.def: Set outcomes according to more recent results.
235         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
236         Remove dead predictors.
237         * predict.c (return_prediction): Fix pasto.
238
239 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
240
241         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
242         change; avoid a memory leak when returning early.
243
244 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
245
246         * c-decl.c (static_ctors): Move to c-common.c.
247         (static_dtors): Likewise.
248         (finish_function): Use c_record_cdtor_fn.
249         (build_cdtor): Move to c-common.c.
250         (c_write_global_declarations): Use c_build_cdtor_fns.
251         * c-common.h (static_ctors): Declare.
252         (static_dtors): Likewise.
253         (c_record_cdtor_fn): Likewise.
254         (c_build_cdtor_fns): Likewise.
255         * c-common.c (static_ctors): New variable.
256         (static_dtors): Likewise.
257         (c_record_cdtor_fn): New function.
258         (build_cdtor): Move from c-decl.c
259         (c_build_cdtor_fns): New function.
260
261         * output.h (assemble_addr_to_section): Declare.
262         (get_cdtor_priority_section): Likewise.
263         * varasm.c (assemble_addr_to_section): New function.
264         (get_cdtor_priority_section): Likewise.
265         (default_named_section_asm_out_destructor): Use them.
266         (destor_dtor_section_asm_out_destructor): Likewise.
267         (default_named_section_asm_out_constructor): Likewise.
268         (default_ctor_section_asm_out_constructor): Likewise.
269         * config.gcc (*-*-vxworks*): Include vxworks.o.
270         * config/t-vxworks (vxworks.o): New target.
271         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
272         (TARGET_ASM_CONSTRUCTOR): Define.
273         (TARGET_ASM_DESTRUCTOR): Likewise.
274         (vxworks_asm_out_constructor): Declare.
275         (vxworks_asm_out_destructor): Likewise.
276
277         * c-common.c (get_priority): Check that we have not just an
278         INTEGER_CST, but an integer constant with integeral type.
279
280 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
281
282         PR tree-optimization/30938
283         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
284         use &dt[nargs-1] instead of &dt[nargs] in the call to
285         vect_is_simple_use().
286
287 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
288
289         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
290         from register elimination as PRE_MODIFY / POST_MODIFY increments.
291         Do not attempt to handle MEM inside auto-inc expressions.
292         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
293         of a register modified by an auto-inc expression.  However, do handle
294         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
295         (elimination_effects): Prohibit elimination of a register modified
296         by an auto-inc expression.  Disable register elimination rules whose
297         target register is modified by an auto-inc expression with variable
298         increment.
299
300 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
301
302         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
303         off-by-one error.
304         (array_at_struct_end_p): New function.
305         (idx_infer_loop_bounds): Use it.
306         (estimate_numbers_of_iterations_loop): Export.
307         * predict.c (predict_loops): Use estimated_loop_iterations_int.
308         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
309         (tree_estimate_probability): Call record_loop_exits.
310         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
311         (estimated_loop_iterations, estimated_loop_iterations_int,
312         estimated_loop_iterations_tree): New functions.
313         (analyze_siv_subscript_cst_affine,
314         compute_overlap_steps_for_affine_1_2,
315         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
316         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
317         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
318         (PRED_LOOP_ITERATIONS_GUESSED): New.
319         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
320         * cfgloop.h (estimate_numbers_of_iterations_loop,
321         estimated_loop_iterations_int): Declare.
322
323 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
324
325         * doc/extend.texi: Document optional priority argument to
326         constructors and destructors.
327         * tree.c (init_priority_for_decl): Adjust GTY markers.
328         (init_ttree): Use priority-info hash functions for
329         init_priority_for_decl.
330         (tree_map_eq): Rename to ...
331         (tree_map_base_eq): ... this.
332         (tree_map_marked_p): Rename to ...
333         (tree_map_base_marked_p): ... this.
334         (tree_map_base_hash): New function.
335         (decl_init_priority_lookup): Rework.
336         (decl_fini_priority_lookup): New function.
337         (decl_priority_info): New function.
338         (decl_init_priority_insert): Use it.
339         (decl_fini_priority_insert): Likewise.
340         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
341         hierarchy.
342         (decl_restrict_base_insert): Likewise.
343         (decl_debug_expr_insert): Likewise.
344         (decl_value_expr_lookup): Likewise.
345         (decl_value_expr_insert): Likewise.
346         * tree.h (priority_type): New type.
347         (decl_init_priority_lookup): Use priority_type.
348         (decl_fini_priority_lookup): New function.
349         (decl_init_priority_insert): Use priority_type.
350         (decl_fini_priority_insert): New function.
351         (DECL_HAS_INIT_PRIORITY): Tweak comments.
352         (DECL_INIT_PRIORITY): Likewise.
353         (SET_DECL_INIT_PRIORITY): Add comment.
354         (DECL_FINI_PRIORITY): New macro.
355         (SET_DECL_FINI_PRIORITY): Likewise.
356         (DEFAULT_INIT_PRIORITY): Document.
357         (MAX_INIT_PRIORITY): Likewise.
358         (MAX_RESERVED_INIT_PRIORITY): Likewise.
359         (tree_map_base): New type.
360         (tree_map_base_eq): New function.
361         (tree_map_base_hash): Likewise.
362         (tree_map_base_marked_p): Likewise.
363         (tree_map): Inherit from tree_map_base.
364         (tree_map_eq): Make it a macro.
365         (tree_map_marked_p): Likewise.
366         (tree_int_map): Inherit from tree_map_base.
367         (tree_int_map_eq): Make it a macro.
368         (tree_int_map_hash): Likewise.
369         (tree_int_map_marked_p): Likewise.
370         (tree_priority_map): New type.
371         (tree_priority_map_eq): New macro.
372         (tree_priority_map_hash): Likewise.
373         (tree_priority_map_marked_p): Likewise.
374         * varasm.c (emults_decl): Adjust for refactoring of tree_map
375         hierarchy.
376         (emutls_common_1): Likewise.
377         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
378         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
379         of tree_map hierarchy.
380         * tree-cfg.c (move_stmt_r): Likewise.
381         (new_label_mapper): Likewise.
382         * c-tree.h (c_expand_body): Move to ...
383         * c-common.h (c_expand_body): ... here.
384         * c-decl.c (c_expand_body): Move to ...
385         * c-common.c (c_expand_body): ... here.
386         (c_common_attribute_table): Allow 1 argument for the constructor
387         and destructor attributes.
388         (get_priority): New function.
389         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
390         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
391
392 2007-02-24  Jan Hubicka  <jh@suse.cz>
393
394         PR middle-end/30509
395         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
396
397 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
398             Jan Hubicka  <jh@suse.cz>
399
400         PR target/30778
401         * i386.c (counter_mode): New function.
402         (expand_set_or_movmem_via_loop): Use it.
403         (expand_movmem_epilogue): Likewise; fix pasto.
404         (ix86_expand_movmem): Do emit guard even for constant counts.
405         (ix86_expand_setmem): Likewise.
406
407 2007-02-25  Nick Clifton  <nickc@redhat.com>
408
409         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
410         (JUMP_TABLES_IN_TEXT_SECTION): Define.
411
412 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
413
414         PR target/30770
415         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
416         count argument with 0x10, not with 0x16.
417         (expand_setmem_epilogue): Ditto.
418
419 2007-02-24  Mike Stump  <mrs@apple.com>
420
421         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
422         symbols.
423
424 2007-02-24  Richard Guenther  <rguenther@suse.de>
425
426         PR middle-end/30951
427         * fold-const.c (fold_binary): Fold x +- CST op x for
428         EQ_EXPR and NE_EXPR.
429
430 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
431
432         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
433
434 2007-02-24  Jan Hubicka  <jh@suse.cz>
435
436         * cgraphunit.c (decide_is_function_needed): Honor
437         -fkeep-inline-functions.
438
439 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
440
441         * builtins.c (fold_builtin_modf): New.
442         (fold_builtin_2): Use it.
443
444 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
445
446         * loop-iv.c (implies_p): Detect additional cases where A implies B.
447         (determine_max_iter): Take additional LOOP arg; all callers changed.
448         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
449         one using simplifications.
450         (simplify_using_initial_values): Return if the expression becomes
451         invalid due to altered regs.
452
453 2007-02-23  DJ Delorie  <dj@redhat.com>
454
455         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
456
457 2007-02-23  Mike Stump  <mrs@apple.com>
458
459         * tlink.c (scan_linker_output): Parse linker messages from
460         darwin9's linker better.
461
462 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
463
464         PR debug/29614
465         * varpool.c (varpool_assemble_pending_decls):  Set
466         varpool_last_needed_node to null.
467
468 2007-02-23  DJ Delorie  <dj@redhat.com>
469
470         * config/i386/i386.c (ix86_data_alignment): Don't specify an
471         alignment bigger than the object file can handle.
472
473 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
474
475         PR target/30825
476         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
477         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
478         (*movsf_1): Penalize MMX moves.
479
480 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
481
482         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
483         2^32-1 or more times unless flag_unsafe_loop_optimizations.
484
485         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
486
487 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
488
489         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
490         (fold_builtin_1): Use them.
491         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
492         BUILT_IN_SIGNIFICAND.
493
494 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
495
496         * config/i386/i386.c (bdesc_1arg): Initialize
497         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
498         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
499         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
500         and IX86_BUILTIN_MOVSLDUP.
501
502 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
503
504         PR rtl-optimization/30841
505         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
506
507 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
508
509         * builtins.c (fold_builtin_frexp): New.
510         (fold_builtin_2): Use it.
511
512 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
513
514         * doc/invoke.texi (Spec Files): Document getenv spec function.
515
516         * gcc.c (getenv_spec_function): New function.
517         (static_spec_functions): Add it.
518         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
519         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
520         header files.
521
522 2007-02-22  Michael Matz  <matz@suse.de
523
524         PR c++/29433
525         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
526         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
527
528 2007-02-22  Ian Lance Taylor  <iant@google.com>
529
530         PR debug/30898
531         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
532         (mem_loc_descriptor): Call it.
533
534 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
535             Ira Rosen  <irar@il.ibm.com>
536
537         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
538
539 2007-02-22  Ira Rosen  <irar@il.ibm.com>
540
541         PR tree-optimization/30843
542         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
543         stores only after all the group is vectorized.
544
545 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
546
547         PR tree-optimization/30858
548         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
549         in the reduction cycle have a single use in the loop.
550         * tree-vectorizer.h (relevant): Add documentation.
551
552 2007-02-20  Mike Stump  <mrs@apple.com>
553
554         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
555         * configure: Regenerate.
556
557 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
558
559         Change the defaults of some parameters and options.
560         * config/spu/spu-protos.h (spu_optimization_options): Declare.
561         * config/spu/spu.c (spu_optimization_options): Add.
562         (spu_override_options): Change params in spu_optimization_options.
563         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
564
565         Register 127 is only 16 byte aligned when used as a frame pointer.
566         * config/spu/spu-protos.h (spu_init_expanders): Declare.
567         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
568         HARD_FRAME_POINTER_REGNUM.
569         (spu_legitimate_address):  Use regno_aligned_for_reload.
570         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
571         aligned when frame_pointer_needed is true.
572         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
573         to 8 bits.
574         * config/spu/spu.h (INIT_EXPANDERS): Define.
575
576         Make sure shift and rotate instructions have valid immediate operands.
577         * config/spu/predicates.md (spu_shift_operand): Remove.
578         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
579         * config/spu/constraints.md (W, O): Extend range.
580         * config/spu/spu.md (umask, nmask): Define.
581         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
582         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
583         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
584         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
585         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
586         (lshr<mode>3_reg):  Fix rtl description.
587
588         Make sure mulhisi immediate operands are valid.
589         * config/spu/predicates.md (imm_K_operand): Add.
590         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
591
592         Generate constants using fsmbi and andi.
593         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
594         (print_operand, spu_split_immediate, classify_immediate,
595         fsmbi_const_p): Handle IC_FSMBI2.
596
597         Correctly handle a CONST_VECTOR containing symbols.
598         * config/spu/spu.c (print_operand): Handle HIGH correctly.
599         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
600         (immediate_load_p): Allow symbols that use 2 instructions to create.
601         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
602         with symbols when flag_pic is set.
603         (const_vector_immediate_p): New.
604         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
605         accept a CONST_VECTOR with symbols.
606         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
607         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
608         correctly.
609         * config/spu/spu.md (high, low): Delete.
610         (low_<mode>): Define.
611
612         Remove INTRmode and INTR_REGNUM, which didn't work.
613         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
614         of INTR_REGNUM.
615         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
616         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
617         peephole2 pattern): Don't use INTR or 131.
618         (movintrcc): Delete.
619         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
620         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
621         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
622         (UNSPEC_SET_INTR): Add.
623         * config/spu/spu-modes.def (INTR): Remove.
624
625         More accurate warnings about run-time relocations.
626         * config/spu/spu.c (reloc_diagnostic): Test in_section.
627
628         Correctly warn about immediate arguments to specific intrinsics.
629         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
630         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
631         the instruction predicate.
632
633         Fix tree check errors with latest update.
634         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
635         CALL_EXPR_ARG.
636         (spu_expand_builtin): Use CALL_EXPR_FN.
637
638         Add missing specific intrinsics.
639         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
640         si_bislede.
641         * config/spu/spu_internals.h: Ditto.
642
643         Fix incorrect operand modifiers.
644         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
645         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
646
647         Optimize one case of zero_extend of a vec_select.
648         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
649
650         Accept any immediate for hbr.
651         * config/spu/spu.md (hbr):  Change s constraints to i.
652
653 2007-02-21  Paul Brook  <paul@codesourcery.com>
654
655         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
656         condexec_count when skipping USE and CLOBBER.
657
658 2007-02-21  Nick Clifton  <nickc@redhat.com>
659
660         * common.opt (Warray-bounds): Add Warning attribute.
661         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
662         Likewise.
663         (fsized-zeroes): Add Optimization attribute.
664         (fsplit-wide-types, ftree-scev-cprop): Likewise.
665         * c.opt (Wc++0x-compat): Add Warning attribute.
666
667 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
668
669         PR middle-end/30761
670         * reload1.c (eliminate_regs_in_insn): In the single_set special
671         case, attempt to re-recognize the insn before falling back to
672         having reload fix it up.
673
674 2007-02-20  Eric Christopher  <echristo@gmail.com>
675
676         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
677         Rewrite accordingly.
678         (frv_read_iacc_argument): Ditto.
679         (frv_expand_set_builtin): Take a call instead of arglist, update for
680         above changes.
681         (frv_expand_unop_builtin): Ditto.
682         (frv_expand_binop_builtin): Ditto.
683         (frv_expand_cut_builtin): Ditto.
684         (frv_expand_binopimm_builtin): Ditto.
685         (frv_expand_voidbinop_builtin): Ditto.
686         (frv_expand_int_void2arg): Ditto.
687         (frv_expand_prefetches): Ditto.
688         (frv_expand_voidtriop_builtin): Ditto.
689         (frv_expand_voidaccop_builtin): Ditto.
690         (frv_expand_load_builtin): Ditto.
691         (frv_expand_store_builtin): Ditto.
692         (frv_expand_mdpackh_builtin): Ditto.
693         (frv_expand_mclracc_builtin): Ditto.
694         (frv_expand_mrdacc_builtin): Ditto.
695         (frv_expand_mwtacc_builtin): Ditto.
696         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
697         calls for above.
698
699 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
700
701         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
702         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
703         cmpb instruction.
704         (HAVE_GAS_DFP): Check for assembler support of decimal floating
705         point instructions.
706         * configure: Regenerate.
707         * config.in: Regenerate.
708         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
709         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
710         masks to power6 and power6x and to POWERPC_MASKS.
711         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
712         _ARCH_PWR6.
713         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
714         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
715         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
716         Access PROTOTYPE as variable, not mask.
717
718 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
719
720         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
721         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
722         * combine.c (adjust_for_new_dest): Use it.
723         * postreload.c (reload_combine): Likewise.
724
725 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
726
727         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
728         notes on an insn with multiple sets, even if single_set returns
729         non-NULL for that insn.
730
731 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
732
733         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
734         scalbn and scalbln.
735
736 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
737
738         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
739         if user didn't pass it.
740         * config/i386/darwin.h (CC1_SPEC): Likewise.
741         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
742         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
743         -mmacosx-version-min.
744
745 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
746             Uros Bizjak  <ubizjak@gmail.com>
747
748         * optabs.h (enum optab_index): Add new OTI_scalb.
749         (scalb_optab): Define corresponding macro.
750         * optabs.c (init_optabs): Initialize scalb_optab.
751         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
752         patterns.
753         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
754         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
755         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
756         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
757         flag_unsafe_math_optimizations is set.
758
759         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
760         to implement scalbf, scalb and scalbl built-ins as inline x87
761         intrinsics.
762
763 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
764             DJ Delorie <dj@redhat.com>
765
766         PR other/30824
767         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
768         (diagnostic_report_diagnostic): ... here, and turn them into real
769         errors. If warnings are inhibited, no need to do anything.
770
771 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
772
773         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
774         better code generation.
775
776 2007-02-20  Ben Elliston  <bje@au.ibm.com>
777
778         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
779
780 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
781
782         * config/alpha/alpha.c, config/alpha/alpha.md,
783         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
784         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
785         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
786         config/arm/lib1funcs.asm: Follow spelling conventions.
787
788         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
789         config/fr30/fr30.md, config/i386/i386.h,
790         config/iq2000/iq2000.h, config/iq2000/predicates.md,
791         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
792         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
793         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
794         config/rs6000/altivec.md, config/rs6000/rs6000.c,
795         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
796         config/sparc/sparc.c, config/sparc/sparc.h,
797         config/sparc/sparc.md, config/spu/constraints.md,
798         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
799         conventions.
800
801 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
802
803         PR target/29943
804         * varasm.c (use_blocks_for_decl_p): Return false for decls with
805         alias attribute.
806
807 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
808
809         * doc/invoke.texi (-ftree-lrs): Remove.
810
811 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
812
813         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
814         NULL.
815
816 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
817
818         * config/ia64/ia64.c (ia64_expand_builtin): Use the
819         new CALL_EXPR_FN macro for retrieving the function
820         declaration of the input expression.
821
822 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
823
824         * c.opt (Waddress): New.
825         * common.opt (Walways-true): Delete.
826         (Wstring-literal-comparison): Delete.
827         * doc/invoke.texi (Warning Options): Delete -Walways-true and
828         -Wstring-literal-comparison. Add -Waddress.
829         (Waddress): New.
830         (Walways-true): Delete.
831         (Wstring-literal-comparison): Delete.
832         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
833         consistently instead of -Walways-true in example.
834         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
835         * c-typeck.c (parser_build_binary_op): Replace
836         -Wstring-literal-comparison and -Walways-true with -Waddress.
837         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
838         with -Waddress.
839
840 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
841
842         * tree-cfg.c (dump_function_to_file): Be prepared for functions
843         without DECL_STRUCT_FUNCTION initialized.
844
845 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
846
847         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
848         due to calls to functions taking pointers as parameters.
849
850 2007-02-19  Richard Henderson  <rth@redhat.com>
851
852         PR debug/29558
853         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
854         in memory.
855
856 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
857
858         * config/s390/s390.c (s390_call_saved_register_used,
859         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
860         accessed to the new scheme.
861
862 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
863
864         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
865         (cris_print_index, cris_print_operand, cris_print_operand_address)
866         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
867         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
868         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
869         GET_CODE () == xxx.
870         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
871         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
872         GO_IF_LEGITIMATE_ADDRESS): Ditto.
873         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
874         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
875         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
876         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
877         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
878         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
879         (uminsi3, call, call_value): Ditto.
880         (define_split: indir_to_reg_split, unnamed): Ditto.
881
882 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
883
884         PR tree-optimization/30975
885         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
886         wrong assert.
887
888 2007-02-18  Eric Christopher  <echristo@gmail.com>
889
890         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
891         Remove use of arglist.
892         (mips_expand_builtin): Remove use of arglist, pass in expr.
893         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
894         (mips_expand_builtin_movtf): Ditto.
895         (mips_expand_builtin_compare): Ditto.
896
897 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
898
899         * tree-sra.c (sra_build_assignment): Replace assertion
900         checking with a comment explaining why it can't be done.
901
902 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
903
904         PR middle-end/30833
905         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
906         during CALL_EXPR representation conversion.
907         * tree-ssa-propagate.c (set_rhs): Likewise.
908
909 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
910
911         * tree-sra.c (sra_build_assignment): Disable assertion checking
912         for now.
913
914 2007-02-18  Roger Sayle  <roger@eyesopen.com>
915
916         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
917         instead of calling build2 with a GIMPLE_MODIFY_STMT.
918         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
919         Likewise.
920         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
921         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
922         gimplify_init_ctor_eval_range, gimple_push_cleanup,
923         gimplify_omp_for, gimplify_omp_atomic_pipeline,
924         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
925         force_gimple_operand): Likewise.
926         * ipa-cp.c (constant_val_insert): Likewise.
927         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
928         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
929         perfect_nestify): Likewise.
930         * langhooks.c (lhd_omp_assignment): Likewise.
931         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
932         lower_copyprivate_clauses, lower_send_clauses,
933         lower_send_shared_vars, expand_parallel_call,
934         expand_omp_for_generic, expand_omp_for_static_nochunk,
935         expand_omp_for_static_chunk, expand_omp_sections,
936         lower_omp_single_copy, lower_omp_for_lastprivate,
937         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
938         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
939         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
940         Likewise.
941
942 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
943
944         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
945         config/sh/sh.md: Follow spelling conventions.
946
947         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
948         config/frv/predicates.md: Follow spelling conventions.
949
950         * config/m68k/linux-unwind.h: Fix a comment typo.
951         * target.h: Follow spelling conventions.
952
953 2007-02-18  Roger Sayle  <roger@eyesopen.com>
954
955         PR rtl-optimization/28173
956         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
957         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
958         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
959         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
960         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
961
962 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
963
964         * builtins.c (fold_builtin_load_exponent): New.
965         (fold_builtin_2): Use it.
966
967 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
968
969         PR rtl-optimization/30773
970         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
971         if we fail to attach a REG_EQUIV note.
972
973 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
974             Roger Sayle  <roger@eyesopen.com>
975
976         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
977
978 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
979
980         * calls.c (initialize_argument_information): Pass original EXP
981         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
982         code to split complex arguments here, as part of initializing the
983         ARGS array.
984         (expand_call): Remove code that builds a list of arguments and
985         inserts implicit arguments into it.  Instead, just count how many
986         implicit arguments there will be so we can determine the size of
987         the ARGS array, and let initialize_argument_information do the work.
988         (split_complex_values): Delete unused function.
989
990 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
991
992         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
993
994 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
995
996         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
997         for arg pointer based indexed addressing.
998
999 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1000
1001         * config/ia64/ia64.h, config/ia64/ia64.md,
1002         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
1003         spelling conventions.
1004
1005 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1006
1007         * config/m68k/m68k.c (split_di): New.
1008         * config/m68k/m68k-protos.h: Declare split_di.
1009         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
1010           Improve predicate handling and split constant shifts.
1011
1012 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1013
1014         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
1015         parameter for register bitfield operations, general predicates
1016         cleanup
1017
1018 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1019
1020         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
1021         * config/m68k/linux-unwind.h: New file.
1022
1023 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1024
1025         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
1026         config/i386/athlon.md, config/ia64/ia64.md,
1027         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
1028         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
1029         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
1030         tree-ssa-loop-niter.c, tree-vect-analyze.c,
1031         tree-vect-transform.c: Fix comment typos.
1032
1033 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
1034
1035         * sched-deps.c (find_insn_list): Remove.
1036         * sched-int.h: Remove the prototype for find_insn_list.
1037
1038 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
1039
1040         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
1041         to linker.
1042         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
1043         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
1044         darwin_rs6000_override_options.
1045         (C_COMMON_OVERRIDE_OPTIONS): Expect
1046         darwin_macosx_version_min to be non-NULL always.
1047         (TARGET_C99_FUNCTIONS): Likewise.
1048         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
1049         (DARWIN_MINVERSION_SPEC): New.
1050         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
1051         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
1052         to cc1*.
1053         (DARWIN_MINVERSION_SPEC): New.
1054         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
1055         value.
1056         * config/darwin-c.c (darwin_cpp_builtins): Expect
1057         darwin_macosx_version_min to be non-NULL always.
1058
1059         * config/rs6000/rs6000.c: Clean up trailing whitespace.
1060
1061 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1062
1063         * config/i386/i386.h (x86_use_xchgb): New.
1064         (TARGET_USE_XCHGB): New macro.
1065         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1066         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1067         Split after reload into bswaphi for shifts of 8.
1068         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1069         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1070         or when optimizing for size.
1071
1072 2007-02-16  Richard Guenther  <rguenther@suse.de>
1073             Christian Bruel  <christian.bruel@st.com>
1074
1075         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1076         DECLs but prefer SSA_NAMEs over DECLs.
1077
1078 2007-02-16  Richard Guenther  <rguenther@suse.de>
1079
1080         * tree-flow-inline.h (single_imm_use_p): Remove.
1081         (zero_imm_uses_p): Likewise.
1082         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1083         instead of single_imm_use_p.
1084         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1085         zero_imm_uses_p.
1086
1087 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1088
1089         PR other/27843
1090         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1091         nested double- and backquotes.
1092
1093 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1094
1095         PR middle-end/30391
1096         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1097         should be unreachable.
1098         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1099         For the time being redirect GIMPLE_MODIFY_STMT to the new
1100         (renamed) build_gimple_modify_stmt_stat.
1101         (build2_gimple_stat): Rename to...
1102         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1103         Always build a GIMPLE_MODIFY_STMT node.
1104         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1105         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1106         declarations.
1107
1108         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1109         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1110         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1111         expand_complex_div_wide): Likewise.
1112         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1113         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1114         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1115         * tree-ssa-loop-manip.c (create_iv): Likewise.
1116         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1117         abs_replacement): Likewise.
1118         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1119         realify_fake_stores): Likewise.
1120
1121         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1122         node rather than a GIMPLE_MODIFY_STMT node.
1123         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1124         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1125         Likewise.
1126         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1127         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1128         GIMPLE_MODIFY_STMT.
1129
1130 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1131
1132         PR middle-end/30433
1133         * fold-const.c (fold_comparison): Add back the
1134         folding of constant complex comparisions.
1135
1136 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1137
1138         PR middle-end/30729
1139         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1140         effects unknown to this function, return early.
1141
1142 2007-02-15  Ian Lance Taylor  <iant@google.com>
1143
1144         * lower-subreg.c (move_eh_region_note): New static function.
1145         (resolve_simple_move): Call it.
1146         (decompose_multiword_subregs): Track blocks for which we resolve a
1147         simple move which is also a control flow insn.  Pass them to
1148         find_many_sub_basic_blocks.
1149         (pass_lower_subreg): Add TODO_verify_flow.
1150         (pass_lower_subreg2): Likewise.
1151
1152 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1153             Brooks Moses  <brooks.moses@codesourcery.com>
1154             Lee Millward  <lee.millward@codesourcery.com>
1155
1156         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1157         (VL_EXP_CLASS_P): New.
1158         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1159         TREE_CODE_LENGTH.
1160         (TREE_OPERAND_CHECK_CODE): Likewise.
1161         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1162         (TREE_RTL_OPERAND_CHECK): Likewise.
1163         (tree_operand_check_failed): Make second parameter the whole tree
1164         instead of its code.  Fixed callers.
1165         (VL_EXP_CHECK): New.
1166         (TREE_OPERAND_LENGTH): New.
1167         (VL_EXP_OPERAND_LENGTH): New.
1168         (CALL_EXPR_FN): New.
1169         (CALL_EXPR_STATIC_CHAIN): New.
1170         (CALL_EXPR_ARGS): New.
1171         (CALL_EXPR_ARG): New.
1172         (call_expr_nargs): New.
1173         (CALL_EXPR_ARGP): New.
1174         (build_nt_call_list): Declare.
1175         (build_vl_exp_stat): Declare.
1176         (build_vl_exp): New.
1177         (build_call_list): Declare.
1178         (build_call_nary): Declare.
1179         (build_call_valist): Declare.
1180         (build_call_array): Declare.
1181         (call_expr_arg): Declare.
1182         (call_expr_argp): Declare.
1183         (call_expr_arglist): Declare.
1184         (fold_build_call_list): Declare.
1185         (fold_build_call_list_initializer): Declare.
1186         (fold_call_expr): Declare to replace fold_builtin.
1187         (fold_builtin_fputs): Update to agree with modified definition.
1188         (fold_builtin_strcpy): Likewise.
1189         (fold_builtin_strncpy): Likewise.
1190         (fold_builtin_memory_chk): Likewise.
1191         (fold_builtin_stxcpy_chk): Likewise.
1192         (fold_builtin_strncpy_chk): Likewise.
1193         (fold_builtin_next_arg): Likewise.
1194         (fold_build_call_expr): Declare.
1195         (fold_builtin_call_list): Declare.
1196         (fold_builtin_call_valist): Declare.
1197         (build_call_expr): Declare.
1198         (validate_arglist): Update to agree with modified definition.
1199         (tree_operand_length): New.
1200         (call_expr_arg_iterator): New.
1201         (init_call_expr_arg_iterator): New.
1202         (next_call_expr_arg): New.
1203         (first_call_expr_arg): New.
1204         (more_call_expr_args_p): New.
1205         (FOR_EACH_CALL_EXPR_ARG): New.
1206
1207         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1208         and tcc_gimple_stmt.
1209         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1210         than sizeof (char *).
1211         (tree_size): Likewise.  Add case for tcc_vl_exp.
1212         (tree_node_structure): Add case for tcc_vl_exp.
1213         (contains_placeholder_p): Likewise.
1214         (substitute_in_expr): Likewise.
1215         (substitute_placeholder_in_expr): Likewise.
1216         (stabilize_reference_1): Likewise.
1217         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1218         to diagnose breakage of this interface for constructing CALL_EXPRs.
1219         (build_nt): Add similar assertion here.
1220         (build_nt_call_list): New.
1221         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1222         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1223         TREE_CODE_LENGTH.
1224         (get_callee_fndecl): Use new CALL_EXPR accessors.
1225         (tree_operand_check_failed): Change parameters to pass entire node
1226         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1227         (process_call_operands): New.
1228         (build_vl_exp_stat): New.
1229         (build_call_list): New.
1230         (build_call_nary): New.
1231         (build_call_valist): New.
1232         (build_call_array): New.
1233         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1234         (call_expr_arglist): New.
1235
1236         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1237         tcc_vl_exp instead of a fixed-size tcc_expression.
1238
1239         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1240         accessors for CALL_EXPRs.
1241         (AGGR_INIT_EXPR): Likewise.
1242
1243 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1244             Brooks Moses  <brooks.moses@codesourcery.com>
1245             Lee Millward  <lee.millward@codesourcery.com>
1246
1247         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1248         (expand_builtin_nonlocal_goto): Change parameter to be entire
1249         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1250         (expand_builtin_prefetch): Likewise.
1251         (expand_builtin_classify_type): Likewise.
1252         (mathfn_built_in): Return NULL_TREE instead of 0.
1253         (expand_errno_check): Use new CALL_EXPR accessors.
1254         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1255         Return NULL_RTX instead of 0.
1256         (expand_builtin_mathfn_2): Likewise.
1257         (expand_builtin_mathfn_3): Likewise.
1258         (expand_builtin_interclass_mathfn): Likewise.
1259         (expand_builtin_sincos): Likewise.
1260         (expand_builtin_cexpi): Likewise.
1261         (expand_builtin_int_roundingfn): Likewise.
1262         (expand_builtin_int_roundingfn_2): Likewise.
1263         (expand_builtin_pow): Likewise.
1264         (expand_builtin_powi): Likewise.
1265         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1266         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1267         accessors and constructors.  Return NULL_RTX instead of 0.
1268         (expand_builtin_strstr): Likewise.
1269         (expand_builtin_strchr): Likewise.
1270         (expand_builtin_strrchr): Likewise.
1271         (expand_builtin_strpbrk): Likewise.
1272         (expand_builtin_memcpy): Likewise.
1273         (expand_builtin_mempcpy): Likewise.
1274         (expand_builtin_mempcpy_args): New.
1275         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1276         (expand_builtin_memmove_args): New.
1277         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1278         (expand_movstr): Likewise.
1279         (expand_builtin_strcpy): Likewise.
1280         (expand_builtin_strcpy_args): New.
1281         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1282         (expand_builtin_strncpy): Likewise.
1283         (expand_builtin_memset): Likewise.
1284         (expand_builtin_memset_args): New.
1285         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1286         (expand_builtin_memcmp): Likewise.
1287         (expand_builtin_strcmp): Likewise.
1288         (expand_builtin_strncmp): Likewise.
1289         (expand_builtin_strcat): Likewise.
1290         (expand_builtin_strncat): Likewise.
1291         (expand_builtin_strspn): Likewise.
1292         (expand_builtin_strcspn): Likewise.
1293         (expand_builtin_args_info): Likewise.
1294         (expand_builtin_va_start): Likewise.
1295         (gimplify_va_arg_expr): Likewise.
1296         (expand_builtin_va_end): Likewise.
1297         (expand_builtin_va_copy): Likewise.
1298         (expand_builtin_frame_address): Likewise.
1299         (expand_builtin_alloca): Likewise.
1300         (expand_builtin_bswap): Likewise.
1301         (expand_builtin_unop): Likewise.
1302         (expand_builtin_fputs): Likewise.
1303         (expand_builtin_expect): Likewise.
1304         (expand_builtin_fabs): Likewise.
1305         (expand_builtin_copysign): Likewise.
1306         (expand_builtin_printf): Likewise.
1307         (expand_builtin_fprintf): Likewise.
1308         (expand_builtin_sprintf): Likewise.
1309         (expand_builtin_init_trampoline): Likewise.
1310         (expand_builtin_signbit): Likewise.
1311         (expand_builtin_fork_or_exec): Likewise.
1312         (expand_builtin_sync_operation): Likewise.
1313         (expand_builtin_compare_and_swap): Likewise.
1314         (expand_builtin_lock_test_and_set): Likewise.
1315         (expand_builtin_lock_release): Likewise.
1316         (expand_builtin): Likewise.
1317         (builtin_mathfn_code): Likewise.
1318
1319         (fold_builtin_constant_p): Pass call arguments individually instead
1320         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1321         accessors and constructors.  Return NULL_TREE instead of 0.
1322         (fold_builtin_expect): Likewise.
1323         (fold_builtin_classify_type): Likewise.
1324         (fold_builtin_strlen): Likewise.
1325         (fold_builtin_nan): Likewise.
1326         (integer_valued_real_p): Likewise.
1327         (fold_trunc_transparent_mathfn): Likewise.
1328         (fold_fixed_mathfn): Likewise.
1329         (fold_builtin_cabs): Likewise.
1330         (fold_builtin_sqrt): Likewise.
1331         (fold_builtin_cbrt): Likewise.
1332         (fold_builtin_cos): Likewise.
1333         (fold_builtin_cosh): Likewise.
1334         (fold_builtin_tan): Likewise.
1335         (fold_builtin_sincos): Likewise.
1336         (fold_builtin_cexp): Likewise.
1337         (fold_builtin_trunc): Likewise.
1338         (fold_builtin_floor): Likewise.
1339         (fold_builtin_ceil): Likewise.
1340         (fold_builtin_round): Likewise.
1341         (fold_builtin_int_roundingfn): Likewise.
1342         (fold_builtin_bitop): Likewise.
1343         (fold_builtin_bswap): Likewise.
1344         (fold_builtin_logarithm): Likewise.
1345         (fold_builtin_hypot): Likewise.
1346         (fold_builtin_pow): Likewise.
1347         (fold_builtin_powi): Likewise.
1348         (fold_builtin_exponent): Likewise.
1349         (fold_builtin_memset): Likewise.
1350         (fold_builtin_bzero): Likewise.
1351         (fold_builtin_memory_op): Likewise.
1352         (fold_builtin_bcopy): Deleted; call site changed to invoke
1353         fold_builtin_memory_op directly.
1354         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1355         (fold_builtin_strncpy): Likewise.
1356         (fold_builtin_memcmp): Likewise.
1357         (fold_builtin_strcmp): Likewise.
1358         (fold_builtin_strncmp): Likewise.
1359         (fold_builtin_signbit): Likewise.
1360         (fold_builtin_copysign): Likewise.
1361         (fold_builtin_isascii): Likewise.
1362         (fold_builtin_toascii): Likewise.
1363         (fold_builtin_isdigit): Likewise.
1364         (fold_builtin_fabs): Likewise.
1365         (fold_builtin_abs): Likewise.
1366         (fold_builtin_fmin_fmax): Likewise.
1367         (fold_builtin_carg): Likewise.
1368         (fold_builtin_classify): Likewise.
1369         (fold_builtin_unordered_cmp): Likewise.
1370
1371         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1372         New functions split out from fold_builtin_1.
1373         (fold_builtin_n): New.
1374         (fold_builtin_varargs): New.
1375         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1376         instead.
1377         (fold_call_expr): New.
1378         (build_function_call_expr): Rewrite to use new helper function.
1379         (fold_builtin_call_list): New.
1380         (build_call_expr): New.
1381         (fold_builtin_call_valist): New.
1382         (rewrite_call_expr): New.
1383         (validate_arg): New.
1384         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1385         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1386         accessors.
1387
1388         (fold_builtin_strstr):  Pass call arguments individually instead
1389         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1390         accessors and constructors.  Return NULL_TREE instead of 0.
1391         (fold_builtin_strchr): Likewise.
1392         (fold_builtin_strrchr): Likewise.
1393         (fold_builtin_strpbrk): Likewise.
1394         (fold_builtin_strcat): Likewise.
1395         (fold_builtin_strncat): Likewise.
1396         (fold_builtin_strspn): Likewise.
1397         (fold_builtin_strcspn): Likewise.
1398         (fold_builtin_fputs): Likewise.
1399         (fold_builtin_next_arg): Likewise.
1400         (fold_builtin_sprintf): Likewise.
1401
1402         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1403         NULL_RTX instead of 0.
1404         (expand_builtin_memory_chk): Likewise.
1405         (maybe_emit_chk_warning): Likewise.
1406         (maybe_emit_sprintf_chk_warning): Likewise.
1407
1408         (fold_builtin_object_size): Pass call arguments individually instead
1409         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1410         accessors and constructors.  Return NULL_TREE instead of 0.
1411         (fold_builtin_memory_chk): Likewise.
1412         (fold_builtin_stxcpy_chk): Likewise.
1413         (fold_builtin_strncpy_chk): Likewise.
1414         (fold_builtin_strcat_chk): Likewise.
1415         (fold_builtin_strcat_chk): Likewise.
1416         (fold_builtin_strncat_chk): Likewise.
1417         (fold_builtin_sprintf_chk): Likewise.
1418         (fold_builtin_snprintf_chk): Likewise.
1419         (fold_builtin_printf): Likewise.
1420         (fold_builtin_vprintf): Likewise.
1421
1422         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1423         constructors.
1424         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1425         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1426         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1427         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1428         (fold_unary): Likewise.
1429         (fold_binary): Likewise.
1430         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1431         ternary expressions.
1432         (fold): Add logic for tcc_vl_exp.
1433         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1434         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1435         (fold_build3_stat): Add assertion to flag broken interface for
1436         constructing CALL_EXPRs.
1437         (fold_build_call_list): New.
1438         (fold_build_call_list_initializer): New.
1439         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1440         constructors.
1441         (fold_strip_sign_ops): Likewise.
1442
1443 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1444             Brooks Moses  <brooks.moses@codesourcery.com>
1445             Lee Millward  <lee.millward@codesourcery.com>
1446
1447         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1448         accessors and dump arguments explicitly.
1449
1450         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1451         TREE_CODE_LENGTH.
1452         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1453         explicitly.
1454         (print_call_name): Use new CALL_EXPR accessors.
1455
1456         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1457         CALL_EXPR arguments explicitly instead of as a list.  Use
1458         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1459
1460         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1461         (vrp_visit_stmt): Likewise.
1462
1463         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1464         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1465         TREE_CODE_LENGTH.
1466         (force_move_till_expr): Likewise.
1467
1468         * targhooks.c (default_external_stack_protect_fail): Use
1469         build_call_expr instead of build_function_call_expr.
1470         (default_hidden_stack_protect_fail): Likewise.
1471
1472         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1473         build the call.
1474
1475         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1476         and walk arguments explicitly.
1477
1478         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1479         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1480         (expand_simple_operations): Likewise.
1481         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1482
1483         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1484         of TREE_CODE_LENGTH.
1485         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1486
1487         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1488         instead of TREE_CODE_LENGTH.
1489
1490         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1491         (tree_ic_transform): Likewise.
1492         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1493         parameter instead of arglist.  Fix callers.
1494         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1495         (tree_stringops_transform): Likewise.
1496         (tree_indirect_call_to_profile): Likewise.
1497         (tree_stringops_values_to_profile): Likewise.
1498
1499         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1500         (eliminate_tail_call): Likewise.
1501
1502         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1503
1504         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1505         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1506         operands.
1507         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1508
1509         * omp-low.c (build_omp_barrier): Use build_call_expr.
1510         (lower_rec_input_clauses): Likewise.
1511         (lower_reduction_clauses): Likewise.
1512         (expand_parallel_call): Likewise.
1513         (maybe_catch_exception): Likewise.
1514         (expand_omp_for_generic): Likewise.
1515         (expand_omp_for_static_nochunk): Likewise.
1516         (expand_omp_sections): Likewise.
1517         (lower_omp_single_simple): Likewise.
1518         (lower_omp_single_copy): Likewise.
1519         (lower_omp_master): Likewise.
1520         (lower_omp_ordered): Likewise.
1521         (lower_omp_critical): Likewise.
1522
1523         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1524         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1525
1526         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1527         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1528         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1529
1530         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1531         and generalize to handle any number of operands.
1532         (chrec_contains_undetermined): Likewise.
1533         (tree_contains_chrecs): Likewise.
1534         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1535
1536         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1537
1538         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1539         fold_call_expr instead of fold_builtin.
1540         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1541         match declarations there.
1542         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1543         updates.
1544
1545         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1546         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1547
1548         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1549         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1550
1551         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1552         accessors.
1553
1554         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1555         (execute_cse_sincos): Use new CALL_EXPR accessors.
1556
1557         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1558
1559         * gimple-low.c (lower_function_body): Use build_call_expr.
1560         (lower_builtin_setjmp): Likewise.
1561
1562         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1563         (set_storage_via_libcall): Likewise.
1564         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1565         instead of TREE_CODE_LENGTH.
1566         (expand_expr_real_1): Use new CALL_EXPR accessors.
1567
1568         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1569         generalize to handle any number of operands.
1570         (TB_parent_eq): Likewise.
1571
1572         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1573         (strip_builtin_expect): Likewise.
1574
1575         * function.c (gimplify_parameters): Use build_call_expr.
1576
1577         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1578         instead of TREE_CODE_LENGTH.
1579
1580         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1581         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1582
1583         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1584         iterators.
1585
1586         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1587         (gimplify_decl_expr): Likewise.
1588         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1589         Use new CALL_EXPR iterators.
1590         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1591         (gimplify_modify_expr_to_memset): Likewise.
1592         (gimplify_variable_sized_compare): Likewise.
1593         (gimplify_omp_atomic_fetch_op): Likewise.
1594         (gimplify_omp_atomic_pipeline): Likewise.
1595         (gimplify_omp_atomic_mutex): Likewise.
1596         (gimplify_function_tree): Likewise.
1597
1598         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1599         (call_expr_flags): Likewise.
1600         (expand_call): Likewise.
1601
1602         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1603         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1604         accessors.
1605
1606         * coverage.c (create_coverage): Use build_call_expr.
1607
1608         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1609         (temp_call_expr_obstack): New.
1610         (pool_copy_list): Delete.
1611         (temp_copy_call_expr): New.
1612         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1613         CALL_EXPR accessors.  Get rid of special goo for copying argument
1614         lists and use temp_copy_call_expr instead.
1615         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1616         CALL_EXPR accessors.
1617         (create_expression_by_pieces): Likewise.  Use build_call_array
1618         to construct the result instead of fold_build3.
1619         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1620         dealing with argument lists.
1621         (init_pre): Remove references to expression_node_pool and
1622         list_node_pool.  Init temp_call_expr_obstack instead.
1623         (fini_pre): Remove references to expression_node_pool and
1624         list_node_pool.
1625
1626         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1627         and walk arguments explicitly instead of as a list.
1628
1629         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1630         (mx_register_decls): Likewise.
1631         (mudflap_register_call): Likewise.
1632         (mudflap_finish_file): Likewise.
1633
1634         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1635         (ipa_callsite_compute_param): Likewise.
1636
1637         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1638         accessors and constructor.
1639
1640         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1641         accessors and constructor.
1642         (convert_tramp_reference): Likewise.
1643         (convert_call_expr): Likewise.
1644         (finalize_nesting_tree_1): Likewise.
1645
1646         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1647         accessors.
1648
1649         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1650
1651         * tree-inline.c (initialize_inlined_parameters): Pass entire
1652         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1653         accessors.
1654         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1655         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1656
1657         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1658         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1659         (vectorizable_reduction): Likewise.
1660         (vectorizable_call): Use new CALL_EXPR iterators.
1661         (vectorizable_conversion): Use build_call_expr.
1662         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1663         (vect_gen_widened_results_half): Use build_call_expr.
1664         (vect_setup_realignment): Likewise.
1665         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1666
1667         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1668         (pass_through_call): Likewise.
1669         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1670         fold_builtin.
1671
1672         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1673         (tree_gen_pow2_profiler): Likewise.
1674         (tree_gen_one_value_profiler): Likewise.
1675         (tree_gen_ic_func_profiler): Likewise.
1676         (tree_gen_average_profiler): Likewise.
1677         (tree_gen_ior_profiler): Likewise.
1678
1679         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1680         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1681         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1682
1683         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1684         of TREE_CODE_LENGTH.
1685
1686         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1687         of TREE_CODE_LENGTH.
1688
1689         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1690         constructor.
1691         (convert_to_integer): Likewise.
1692
1693         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1694         accessors.
1695
1696 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1697             Brooks Moses  <brooks.moses@codesourcery.com>
1698             Lee Millward  <lee.millward@codesourcery.com>
1699
1700         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1701         accessors.
1702         * config/frv/frv.c (frv_expand_builtin): Likewise.
1703         * config/s390/s390.c (s390_expand_builtin): Likewise.
1704
1705         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1706         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1707
1708         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1709         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1710         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1711         (ix86_expand_store_builtin): Likewise.
1712         (ix86_expand_unop_builtin): Likewise.
1713         (ix86_expand_unop1_builtin): Likewise.
1714         (ix86_expand_sse_compare): Likewise.
1715         (ix86_expand_sse_comi): Likewise.
1716         (ix86_expand_vec_init_builtin): Likewise.
1717         (ix86_expand_vec_ext_builtin): Likewise.
1718         (ix86_expand_vec_set_builtin): Likewise.
1719         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1720
1721         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1722         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1723
1724         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1725         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1726         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1727
1728         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1729         build_call_expr.
1730         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1731         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1732         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1733         (altivec_expand_abs_builtin): Likewise.
1734         (rs6000_expand_binop_builtin): Likewise.
1735         (altivec_expand_predicate_builtin): Likewise.
1736         (altivec_expand_lv_builtin): Likewise.
1737         (spe_expand_stv_builtin): Likewise.
1738         (altivec_expand_stv_builtin): Likewise.
1739         (rs6000_expand_ternop_builtin): Likewise.
1740         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1741         (altivec_expand_st_builtin): Likewise.
1742         (altivec_expand_dst_builtin): Likewise.
1743         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1744         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1745         (altivec_expand_vec_set_builtin): Likewise.
1746         (altivec_expand_vec_ext_builtin): Likewise.
1747         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1748         (spe_expand_builtin): Likewise.
1749         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1750         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1751         (spe_expand_evsel_builtin): Likewise.
1752         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1753         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1754
1755         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1756         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1757         (arm_expand_unop_builtin): Likewise.
1758         (arm_expand_builtin): Use new CALL_EXPR accessors.
1759
1760         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1761         accessors.
1762
1763         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1764         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1765         (bfin_expand_unop_builtin): Likewise.
1766         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1767
1768 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1769             Brooks Moses  <brooks.moses@codesourcery.com>
1770             Lee Millward  <lee.millward@codesourcery.com>
1771
1772         * c-semantics.c (build_stmt): Add internal diagnostic check.
1773
1774         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1775         accessors.  Print arguments explicitly instead of as a list.
1776
1777         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1778
1779         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1780         (c_finish_omp_flish): Likewise.
1781
1782         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1783         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1784         instead of TREE_CODE_LENGTH.
1785         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1786         (c_warn_unused_result): Likewise.
1787
1788 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1789
1790         PR c/26494
1791         * doc/invoke.texi (Warning Options): Remove
1792         -Werror-implicit-function-declaration.
1793         (Wimplicit-function-declaration): Update description.
1794         * opts.c (common_handle_option): Move handling of -Werror=* to...
1795         (enable_warning_as_error): ...here.
1796         * opts.h (enable_warning_as_error): Declare.
1797         * c-decl.c (implicit_decl_warning): Unless
1798         -Wno-implicit-function-declaration is given, emit a pedwarn if
1799         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1800         * c.opt (Wimplicit-function-declaration): Replace
1801         mesg_implicit_function_declaration with
1802         warn_implicit_function_declaration.
1803         * c-opts.c (c_common_handle_option):
1804         -Werror-implicit-function-declaration is exactly equal as
1805         -Werror=implicit-function-declaration.
1806         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1807         warn_implicit_function_declaration.
1808         (c_common_post_options): -Wimplict-function-declaration is enabled
1809         by default by -std=c99, otherwise is disabled by default.
1810         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1811
1812 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1813
1814         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1815         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1816         former is ignored but not the latter.
1817
1818 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1819
1820         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1821         is made and the reference doesn't use the alias set of its type,
1822         do not create the temporary using that type.
1823
1824 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1825
1826         * jump.c: Remove prototypes for delete_computation and
1827         delete_prior_computation.
1828
1829 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1830
1831         * jump.c (get_label_after): Delete.
1832         (get_label_before, delete_computation, delete_jump,
1833         delete_prior_computation, follow_jumps): Move...
1834         * reorg.c (delete_computation, delete_prior_computation): ... here...
1835         (get_label_before, delete_jump): ... making these static ...
1836         (follow_jumps): ... and simplifying this since it only runs after
1837         reload.
1838         * rtl.h (get_label_after, get_label_before, delete_jump,
1839         follow_jumps): Delete prototypes.
1840
1841 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1842
1843         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1844
1845 2007-02-15  Nick Clifton  <nickc@redhat.com>
1846
1847         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1848         order to prevent it from being munged by the target.
1849
1850 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1851
1852         * config/i386/i386.md: Remove misleading comment.
1853
1854 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1855
1856         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1857         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1858         invalid patterns.
1859
1860 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1861
1862         * tree-sra.c (instantiate_missing_elements): Canonicalize
1863         bit-field types.
1864         (sra_build_assignment): New.
1865         (generate_copy_inout, generate_element_copy,
1866         generate_element_zero, generate_one_element_init): Use it.
1867
1868 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1869
1870         * tree-sra.c (instantiate_missing_elements): Canonicalize
1871         bit-field types.
1872         (sra_build_assignment): New.
1873         (generate_copy_inout, generate_element_copy,
1874         generate_element_zero, generate_one_element_init): Use it.
1875
1876 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1877
1878         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1879         limbo die nodes.
1880
1881 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1882
1883         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1884         types as aggregates not scalars.
1885         * function.c (assign_stack_temp_for_type): Likewise.
1886
1887 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1888             Zdenek Dvorak  <dvorakz@suse.cz>
1889
1890         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1891         name.
1892
1893 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1894
1895         * passes.c (next_pass_1): Clear the next field of the copied
1896         pass structure.
1897
1898 2007-02-14  Richard Henderson  <rth@redhat.com>
1899
1900         * tree-sra.c (early_sra): New.
1901         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1902         (tree_sra_early, pass_sra_early): New.
1903         * tree-pass.h (pass_sra_early): Declare.
1904         * passes.c (init_optimization_passes): Use it.
1905
1906 2007-02-14  Richard Guenther  <rguenther@suse.de>
1907
1908         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1909
1910 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1911
1912          PR tree-optimization/30771
1913         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1914         also phi nodes.
1915         (vect_analyze_operations): Induction phis can now be marked as
1916         used_in_loop.
1917         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1918         Update documentation accordingly.
1919
1920 2007-02-14  Nick Clifton  <nickc@redhat.com>
1921
1922         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1923         most 3 arguments are supported.
1924         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1925
1926 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1927
1928         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1929         Ensure dst->current is valid.
1930
1931 2007-02-13  Paul Brook  <paul@codesourcery.com>
1932
1933         * config.gcc: Add arm*-*-uclinux-*eabi.
1934         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1935         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1936         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1937         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1938         (LINK_SPEC): Define.
1939         (LIB_SPEC): Define.
1940         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1941         register.
1942         * config/arm/uclinux-eabi.h: New file.
1943         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1944         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1945         based targets.
1946
1947 2007-02-13  Ian Lance Taylor  <iant@google.com>
1948
1949         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1950         * flags.h (warn_strict_overflow): Declare.
1951         (enum warn_strict_overflow_code): Define.
1952         (issue_strict_overflow_warning): New static inline function.
1953         * opts.c (warn_strict_overflow): New variable.
1954         (common_handle_option): Handle OPT_Wstrict_overflow and
1955         OPT_Wstrict_overflow_.
1956         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1957         OPT_Wall.
1958         * fold-const.c: Include intl.h.
1959         (fold_deferring_overflow_warnings): New static variable.
1960         (fold_deferred_overflow_warning): New static variable.
1961         (fold_deferred_overflow_code): New static variable.
1962         (fold_defer_overflow_warnings): New function.
1963         (fold_undefer_overflow_warnings): New function.
1964         (fold_undefer_and_ignore_overflow_warnings): New function.
1965         (fold_deferring_overflow_warnings_p): New function.
1966         (fold_overflow_warning): New static function.
1967         (make_range): Add strict_overflow_p parameter.  Change all
1968         callers.
1969         (extract_muldiv, extract_muldiv_1): Likewise.
1970         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1971         tree_expr_nonnegative_p.
1972         (fold_negate_expr): Call fold_overflow_warning.
1973         (fold_range_test): Likewise.
1974         (fold_comparison): Likewise.
1975         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1976         instead of tree_expr_nonnegative_p.
1977         (tree_expr_nonnegative_warnv_p): Rename from
1978         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1979         (tree_expr_nonnegative_p): New function.
1980         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1981         strict_overflow_p parameter.
1982         (tree_expr_nonzero_p): New function.
1983         * passes.c (verify_interpass_invariants): New static function.
1984         (execute_one_pass): Call it.
1985         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1986         warnings.
1987         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1988         (estimate_numbers_of_iterations): Likewise.
1989         (scev_probably_wraps_p): Likewise.
1990         * tree-ssa-ccp.c: Include "toplev.h".
1991         (evaluate_stmt): Defer fold overflow warnings until we know we are
1992         going to optimize.
1993         (struct fold_stmt_r_data): Add stmt field.
1994         (fold_stmt_r): Defer fold overflow warnings until we know we
1995         optimized.
1996         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1997         (fold_stmt_inplace): Likewise.
1998         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1999         (cleanup_control_expr_graph): Defer fold overflow warnings until
2000         we know we are going to optimize.
2001         * tree-cfg.c (fold_cond_expr_cond): Likewise.
2002         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
2003         Likewise.
2004         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2005         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
2006         * tree-ssa-loop-manip.c (create_iv): Likewise.
2007         * c-typeck.c (build_conditional_expr): Likewise.
2008         (build_binary_op): Likewise.
2009         * tree-vrp.c (vrp_expr_computes_nonzero): Call
2010         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
2011         (extract_range_from_unary_expr): Likewise.
2012         * simplify-rtx.c (simplify_const_relational_operation): Warn when
2013         assuming that signed overflow does not occur.
2014         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
2015         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
2016         (fold_defer_overflow_warnings): Declare.
2017         (fold_undefer_overflow_warnings): Declare.
2018         (fold_undefer_and_ignore_overflow_warnings): Declare.
2019         (fold_deferring_overflow_warnings_p): Declare.
2020         (tree_expr_nonzero_warnv_p): Declare.
2021         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
2022         of warning options.
2023         (Warning Options): Document -Wstrict-overflow.
2024         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
2025         (tree-ssa-ccp.o): Likewise.
2026         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
2027         (fold-const.o): Depend on intl.h.
2028
2029 2007-02-13  Ian Lance Taylor  <iant@google.com>
2030
2031         PR middle-end/30751
2032         * lower-subreg.c (resolve_simple_move): Decompose subregs in
2033         addresses.
2034
2035 2007-02-13  Stuart Hastings  <stuart@apple.com>
2036
2037         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
2038
2039 2007-02-13  Richard Henderson  <rth@redhat.com>
2040
2041         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
2042         handled_component_p before looking for the indirect_ref.
2043
2044 2007-02-13  Richard Henderson  <rth@redhat.com>
2045
2046         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
2047         remove flags clobber.
2048         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
2049         (bswaphi_lowpart): New.
2050         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
2051         remove TARGET_BSWAP test.  Delete expander of the same name.
2052
2053         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
2054         (expand_unop): Use them.
2055
2056 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
2057
2058         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
2059         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
2060         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
2061         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
2062         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2063         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2064         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2065         assembler dialect choice from asm templates.
2066
2067 2007-02-12  Richard Henderson  <rth@redhat.com>
2068
2069         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2070         (fixuns_trunc<SSEMODEF>si2): Use it.
2071         * config/i386/sse.md (vec_setv4sf_0): Export.
2072         * config/i386/i386.c (ix86_build_const_vector): Export.
2073         (ix86_split_convert_uns_si_sse): Rename from
2074         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2075         * config/i386/i386-protos.h: Update.
2076
2077 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2078
2079         PR c/29521
2080         * c-typeck.c (c_finish_return): Improve warning message.
2081
2082 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2083
2084         * alias.c (find_symbolic_term): Delete unused function.
2085
2086 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2087
2088         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2089         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2090         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2091
2092 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2093
2094         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2095         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2096         the function, temporarily point the debug interface to the null one.
2097
2098 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2099
2100         * dwarf2out.c (round_up_to_align): New static function.
2101         (field_byte_offset): Use it to round the offset.
2102
2103 2007-02-12  Richard Henderson  <rth@redhat.com>
2104
2105         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2106         (inswl_const): Export.
2107
2108 2007-02-12  Richard Henderson  <rth@redhat.com>
2109
2110         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2111         result mode of the libcall, convert back to outmode.
2112
2113 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2114
2115         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2116         (bswapdi2): New define_expand to implement 32-bit implementation.
2117
2118 2007-02-12  Nick Clifton  <nickc@redhat.com>
2119
2120         * doc/invoke.texi (Overall Options): Document --help=.
2121         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2122         (cc1_options): Pass --help= on to cc1.
2123         (display_help): Add description of --help=.
2124         (process_command): Add code to handle --help=.  Allow translated
2125         --help and --target-help switches to be passed on to compiler
2126         sub-process.
2127         (main): Remove unused if statement.
2128         * opts.c (columns): Remove.
2129         (LEFT_COLUMN): Define.
2130         (wrap_help): Add columns argument.
2131         (print_filtered_help): Change parameters to be an include bitmask,
2132         an exclude bitmask, an any bitmask and the column width.  Move the
2133         code to display the params list here.  Add code to display the
2134         status of options rather than their descriptions if the quiet flag
2135         is not active.
2136         (print_specific_help): Change parameters to be an include bitmask,
2137         an exclude bitmask and an any bitmask.  Move code to look up the
2138         column width here.  Decide upon the title for an options listing.
2139         (common_handle_options): Add code to handle --help=.  Adapt code
2140         for --help and --target-help to use the revised form of the
2141         print_specific_help function.
2142         (print_help): Delete.
2143         (print_param_help): Delete.
2144         (print_switch): Delete.
2145         * opts.h (cl_lang_count): Add prototype.
2146         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2147         CL_MAX_OPTION_CLASS): New defines.
2148         * optc-gen.awk: Add construction of cl_lang_count.
2149         * c.opt: Add Warning attribute to warning options and Optimization
2150         attribute to optimization options.
2151         * common.opt: Likewise.
2152         Add --help=.
2153         Add -fhelp and -ftarget-help as aliases for the transformed --help
2154         and --target-help options.
2155         * opt-functions.awk: Add code to handle Warning and Optimization
2156         attributes.
2157
2158 2007-02-12  Richard Henderson  <rth@redhat.com>
2159
2160         * config/alpha/constraints.md: New file.
2161         * config/alpha/alpha.c: Include tm-constrs.h.
2162         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2163         alpha_extra_constraint): Remove.
2164         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2165         * config/alpha/alpha-protos.h: Update.
2166         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2167         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2168         (EXTRA_CONSTRAINT): Remove.
2169         * config/alpha/alpha.md: Include constraints.md.
2170         (adddi splitter): Use satisfies_constraint_*.
2171         * config/alpha/predicates.md (add_operand): Likewise.
2172         (sext_add_operand, addition_operation): Likewise.
2173
2174 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2175
2176         PR tree-optimization/29145
2177         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2178         in our handling of restrict qualified pointers.
2179
2180 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2181
2182         PR middle-end/7651
2183         * doc/invoke.texi (Wunused-value): Update description.
2184         (Wextra): Delete item.
2185         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2186         value of Wunused-value.
2187         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2188         (c_finish_stmt_expr): Don't check extra_warnings.
2189         (emit_side_effect_warnings): The caller is responsible to check
2190         warn_unused_value.
2191
2192 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2193             Matt Thomas  <matt@3am-software.com>
2194
2195         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2196
2197 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2198
2199         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2200         comparisons of POPCOUNT against zero.
2201         (simplify_const_relational_operation): Likewise.
2202
2203 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2204
2205         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2206
2207 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2208
2209         * dwarf2out.c (root_type): Delete unused function.
2210
2211 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2212
2213         * genattrtab.c (contained_in_p): Delete unused function.
2214         (write_expr_attr_cache): Likewise.
2215
2216 2007-02-11  Jan Hubicka  <jh@suse.cz>
2217
2218         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2219         previous patch.
2220
2221 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2222
2223         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2224         to add the REG_EQ* note.
2225         * see.c (see_merge_one_use_extension): Likewise.
2226         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2227         turn REG_EQUAL notes into REG_EQUIV notes if the target
2228         register may have more than one set.
2229         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2230         * gcse.c (try_replace_reg): Likewise.
2231         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2232         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2233         more than one REG_EQUIV note.
2234         * reload1.c (gen_reload): Use set_unique_reg_note.
2235
2236 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2237
2238         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2239         (ix86_builtin_conversion): New function.
2240
2241 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2242
2243         PR target/29487
2244         * tree.h (DECL_REPLACEABLE_P): New macro.
2245         * except.c (set_nothrow_function_flags): Likewise.
2246
2247 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2248             Ira Rosen  <irar@il.ibm.com>
2249             Dorit Nuzman  <dorit@il.ibm.com>
2250
2251         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2252         * targhooks.c (default_builtin_vectorized_conversion): New.
2253         * targhooks.h (default_builtin_vectorized_function): New declaration.
2254         * target.h (struct vectorize): Add builtin_conversion field.
2255         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2256         stmt_vec_info_type value.
2257         (vectorizable_conversion): New declaration.
2258         * tree-vect-analyze.c (vect_analyze_operations): Add
2259         vectorizable_conversion call.
2260         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2261         * tree-vect-transform.c (vectorizable_conversion): New function.
2262         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2263         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2264         mode.
2265         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2266         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2267         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2268         or ALTIVEC_BUILTIN_VCFSX.
2269
2270 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2271
2272         PR target/30634
2273         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2274         CONST_DOUBLE and operand 0 is a hard register.
2275         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2276         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2277         is a hard floating-point register.
2278
2279 2007-02-10  Richard Henderson  <rth@redhat.com>
2280             Jakub Jelinek  <jakub@redhat.com>
2281             Alexandre Oliva  <aoliva@redhat.com>
2282
2283         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2284         * builtin-types.def (BT_WORD): Make unsigned.
2285         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2286         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2287         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2288         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2289         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2290         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2291         emulated tls.
2292         * expr.c (emutls_var_address): New.
2293         (expand_expr_real_1): Expand emulated tls.
2294         (expand_expr_addr_expr_1): Likewise.
2295         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2296         * output.h (emutls_finish): Declare.
2297         * toplev.c (compile_file): Call it.
2298         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2299         address before wrapping in CONST.
2300         * varasm.c (emutls_htab, emutls_object_type): New.
2301         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2302         (get_emutls_object_name, get_emutls_object_type): New.
2303         (get_emutls_init_templ_addr, emutls_decl): New.
2304         (emutls_common_1, emutls_finish): New.
2305         (assemble_variable): When emulating tls, swap decls; generate
2306         constructor for the emutls objects.
2307         (do_assemble_alias): When emulating tls, swap decl and target name.
2308         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2309         for emulated tls.
2310         * varpool.c (decide_is_variable_needed): Look at force_output.
2311         Recurse for emulated tls.
2312         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2313         with decide_is_variable_needed.
2314         * emutls.c: New file.
2315         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2316         tls_object for real tls.
2317
2318 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2319
2320         PR rtl-optimization/29599
2321         * reload1.c (eliminate_regs_in_insn): Take the destination
2322         mode into account when computing the offset.
2323
2324 2007-02-09  Stuart Hastings  <stuart@apple.com>
2325             Richard Henderson  <rth@redhat.com>
2326
2327         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2328         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2329         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2330         fixuns_truncdfhi2): New.
2331         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2332         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2333         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2334         (floatunssidf2): Allow nonimmediate source.
2335         * gcc/config/i386/sse.md (movdi_to_sse): New.
2336         (vec_concatv2di): Drop '*'.
2337         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2338         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2339         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2340         New.
2341         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2342         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2343         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2344         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2345         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2346         ix86_build_const_vector.
2347         (x86_emit_floatuns): Rewrite.
2348
2349 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2350
2351         * genautomata.c (longest_path_length): Delete unused function.
2352         (struct state): Delete unused longest_path_length.
2353         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2354         (get_free_state): Delete unused.
2355
2356 2007-02-09  Jan Hubicka  <jh@suse.cz>
2357
2358         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2359         * doc/invoke.texi (inline-unit-growth): Update default value.
2360
2361         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2362         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2363         (rebuild_cgraph_edges): Likewise.
2364         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2365         (dump_cgraph_node): Dump frequencies.
2366         (cgraph_clone_edge): Add frequency scales.
2367         (cgraph_clone_node): Add freuqnecy.
2368         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2369         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2370         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2371         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2372         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2373         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2374         (save_inline_function_body): Likewise.
2375         * ipa-inline.c: inluce rtl.h
2376         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2377         (cgraph_edge_badness): Use frequencies.
2378         (cgraph_decide_recursive_inlining): Update clonning.
2379         (cgraph_decide_inlining_of_small_function): Dump frequency.
2380         * predict.c (estimate_bb_frequencies): Export.
2381         * predict.h (estimate_bb_frequencies): Declare.
2382         * tree-inline.c (copy_bb): Watch overflows.
2383         (expand_call_inline): Update call of cgraph_create_edge.
2384         (optimize_inline_calls): Use TODO flags to update frequnecies.
2385         * passes.h: Include predict.h
2386         (init_optimization_passes): Move profile ahead.
2387         (execute_function_todo): Handle TODO_rebuild_frequencies.
2388
2389 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2390
2391         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2392         the insbl or inswl pattern into a register.
2393
2394 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2395
2396         * config/ia64/ia64.md (bswapdi2): New define_insn.
2397
2398 2007-02-09  Richard Henderson  <rth@redhat.com>
2399
2400         * config/i386/constraints.md (Ym): New constraint.
2401         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2402         (movdi_1_rex64): Split sse and xmm general register moves from
2403         memory move alternatives.  Use conditional register constraints.
2404         (movsf_1, movdf_integer): Likewise.
2405         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2406         (movdf_integer_rex64): New.
2407         (pushsf_rex64): Fix output constraints.
2408         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2409         (sse2_stored): Likewise.
2410         (sse2_storeq_rex64): New.
2411         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2412         amd and not generic.
2413         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2414         for optimize_size.  Remove SF/DFmode hack.
2415
2416 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2417
2418         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2419         (bit_SSE4a): New.
2420
2421 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2422             Richard Sandiford  <richard@codesourcery.com>
2423
2424         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2425         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2426         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2427         m68k/t-mlib to tmake_file.
2428         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2429         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2430         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2431         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2432         variable is not empty, add t-$m68k_arch_family to tmake_file.
2433         Add t-mlibs to tmake_file.
2434         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2435         * config/m68k/t-cf: New file.
2436         * config/m68k/t-m68k: Likewise.
2437         * config/m68k/t-mlibs: Likewise.
2438         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2439         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2440         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2441         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2442         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2443         Delete.
2444         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2445         (INSTALL_LIBGCC): Delete.
2446         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2447         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2448         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2449         (M68K_MLIB_CPU): Define.
2450         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2451         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2452         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2453
2454 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2455             Richard Guenther  <rguenther@suse.de>
2456
2457         PR middle-end/23361
2458         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2459         against INT_MIN/INT_MAX.
2460         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2461         file if a loop is removed.
2462
2463 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2464
2465         * calls.c (store_one_arg): Pass correct alignment to
2466         emit_push_insn for non-BLKmode values.
2467         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2468         unaligned stack slot via a suitably aligned slot.
2469
2470 2007-02-08  DJ Delorie  <dj@redhat.com>
2471
2472         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2473         warnings.
2474         (legal_subregs): Use unsigned char, make const.
2475         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2476
2477 2007-02-08  Paul Brook  <paul@codesourcery.com>
2478
2479         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2480         special interworking needed.
2481
2482 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2483
2484         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2485         conditional to __SSE2__.
2486         (Entries below should have been added to first ChangeLog
2487         entry for amdfam10 dated 2007-02-05)
2488         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2489         defined.
2490         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2491         defined.
2492         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2493         defined.
2494
2495 2007-02-08  DJ Delorie  <dj@redhat.com>
2496
2497         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2498         * config/m32c/m32c.c (legal_subregs): New.
2499         (m32c_illegal_subreg_p): New.
2500         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2501         unsupported subregs of hard regs.
2502
2503 2007-02-08  Jan Hubicka  <jh@suse.cz>
2504
2505         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2506         the same one; always update histograms.
2507
2508 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2509
2510         * passes.c (init_optimization_passes): Tidy comment.
2511
2512 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2513
2514         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2515         strip zero_extend, bswap and rotates from POCOUNT's argument.
2516         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2517         zero_extend and rotates from PARITY's argument.
2518         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2519         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2520         of an integer constant at compile-time.
2521
2522 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2523
2524         PR 30562
2525         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2526         Update all users.
2527         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2528         users.
2529         (init_alias_info):
2530         * tree-ssa-live.c (remove_unused_locals): Do not remove
2531         TREE_ADDRESSABLE variables.
2532         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2533         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2534         FOR_CLOBBER.  Update all users.
2535         If VAR has an associated alias set, add a virtual operand for
2536         it if no alias is found to conflict with the memory reference.
2537
2538 2007-02-07  Jan Hubicka  <jh@suse.cz>
2539             Robert Kidd <rkidd@crhc.uiuc.edu>
2540
2541         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2542
2543 2007-02-07  Ian Lance Taylor  <iant@google.com>
2544
2545         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2546
2547 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2548
2549         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2550         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2551         tablejumpdi, movsi_to_cr_one): Remove constraints from
2552         define_expand's match_operands.
2553
2554 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2555
2556         * global.c (compute_regsets): Move declatation of "i" inside of
2557         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2558
2559 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2560
2561         PR c++/30703
2562         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2563         of INDIRECT_REF <RESULT_DECL>.
2564
2565         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2566
2567 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2568             Kaz Kojima  <kkojima@gcc.gnu.org>
2569
2570         PR target/29746
2571         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2572         properly.
2573         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2574
2575 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2576
2577         * doc/loop.texi: Document possibility not to perform disambiguation
2578         of loops with multiple latches.
2579         * cfgloopmanip.c (alp_enum_p): Removed.
2580         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2581         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2582         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2583         the new forwarder block.
2584         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2585         Handle the case latch is NULL.
2586         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2587         when marking loop exits.
2588         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2589         be modified.
2590         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2591         disambiguate_loops_with_multiple_latches.
2592         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2593         before fix_loop_structure.
2594         * cfgloop.c: Include pointer-set.h and output.h.
2595         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2596         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2597         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2598         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2599         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2600         disambiguate_multiple_latches, get_loop_body_with_size,
2601         disambiguate_loops_with_multiple_latches): New functions.
2602         (flow_loop_dump): Dump multiple latch edges.
2603         (flow_loop_nodes_find): Handle loops with multiple latches.
2604         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2605         (glb_enum_p): Modified.
2606         (get_loop_body): Use get_loop_body_with_size.
2607         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2608         (AVOID_CFG_MODIFICATIONS): New constant.
2609         (disambiguate_loops_with_multiple_latches, add_loop,
2610         get_loop_body_with_size): Declare.
2611         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2612
2613 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2614
2615         PR inline-asm/28686
2616         * global.c (compute_regsets): New function.
2617         (global_alloc): Refactored ELIMINABLE_REGSET
2618         and NO_GLOBAL_ALLOC_REGS computation out.
2619         (rest_of_handle_global_alloc): Call compute_regsets()
2620         for non-optimizing case.
2621
2622 2007-02-06  Richard Henderson  <rth@redhat.com>
2623
2624         * config/i386/constraints.md (Y2): Rename from Y.
2625         (Yi): New constraint.
2626         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2627         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2628         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2629         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2630         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2631         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2632         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2633         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2634         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2635         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2636         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2637         vec_extractv2si_1): Change Y constraints to Y2.
2638         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2639         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2640         Change Y constraints to Y2.
2641         (sse2_loadld): Change Y constraints to x.
2642
2643 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2644
2645         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2646         (parity<mode>2): New define_expand using rs6000_emit_parity.
2647         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2648         rs6000_emit_parity): New functions.
2649         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2650         rs6000_emit_parity): Prototype here.
2651
2652 2007-02-06  Ian Lance Taylor  <iant@google.com>
2653
2654         * lower-subreg.c (simple_move_operand): Reject CONST.
2655         (resolve_clobber): Call validate_change rather than directly
2656         assigning to XEXP (pat, 0).
2657
2658 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2659
2660         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2661         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2662         (tree-cfg.o): Remove hashtab.h dependency.
2663
2664         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2665         (struct ivopts_data): Change niters to pointer_map_t.
2666         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2667         (niter_for_exit): Create pointer_map on demand.  Change for
2668         pointer_map API.
2669         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2670         (free_loop_data): Destroy data->niters if created and reset field.
2671         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2672         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2673
2674         * tree-ssa-reassoc.c: Include pointer-set.h.
2675         (bb_rank): Change to long *.
2676         (operand_rank): Change to pointer_map_t.
2677         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2678         (insert_operand_rank): Accept long.
2679         (operand_entry_hash, operand_entry_eq): Remove.
2680         (get_rank): Return long.  Adjust for changes above.
2681         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2682         and operand_rank.
2683         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2684
2685         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2686         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2687         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2688         is not NULL.
2689         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2690         directly since it cannot be NULL.
2691         (get_vi_for_tree): Rewrite for pointer_map API.
2692         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2693         (init_alias_vars): Create vi_for_tree as pointer_map.
2694         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2695
2696         * tree-cfg.c: Don't include hashtab.h.
2697         (edge_to_cases): Declare as pointer_map.
2698         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2699         Delete.
2700         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2701         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2702         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2703         destroying it.
2704         (record_switch_edge): Delete.
2705         (get_cases_for_edge): Adjust for pointer_map API, inline
2706         record_switch_edge (rewritten for new API), remove goto.
2707
2708 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2709
2710         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2711         * tree-nested.c: Include pointer-set.h.
2712         (var_map_elt, var_map_eq, var_map_hash): Delete.
2713         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2714         to pointer_map_t's.
2715         (nesting_info_bitmap_obstack): New.
2716         (lookup_field_for_decl): Adjust for pointer_map API.
2717         (lookup_tramp_for_decl): Adjust for pointer_map API.
2718         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2719         (get_local_debug_decl): Adjust for pointer_map API.
2720         (convert_nl_goto_reference): Adjust for pointer_map API.
2721         (convert_nl_goto_receiver): Adjust for pointer_map API.
2722         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2723         the new obstack.  Create field_map and var_map as pointer_maps.
2724         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2725         (root): Delete.
2726         (lower_nested_functions): Move root here, no need to NULL it.
2727         Initialize and release the obstack.
2728
2729 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2730
2731         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2732         Remove prototypes and make them non-static.
2733         (struct tree_int_map): Remove.
2734         * tree.h (struct tree_int_map): Move here, turning TO into an
2735         unsigned int.
2736         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2737
2738         * tree.h (TREE_COMPLEXITY): Remove.
2739         (struct tree_exp): Remove complexity field.
2740         * tree.c (build1_stat): Don't set it.
2741
2742 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2743             Victor Kaplansky  <victork@il.ibm.com>
2744
2745         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2746         (vect_is_simple_reduction): Support reduction with induction as
2747         one of the operands.
2748         (vect_is_simple_iv_evolution): Fix formatting.
2749         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2750         formatting.  Don't mark induction phis for vectorization.
2751         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2752         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2753         (vect_get_vec_def_for_operand): Support induction.
2754         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2755         induction case.
2756         (vectorizable_reduction): Support reduction with induction as one of
2757         the operands.
2758         (vectorizable_type_demotion): Use def-type of stmt argument rather
2759         than dummy def-type.
2760
2761         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2762         flag_tree_scev_cprop.
2763         * common.opt (tree-scev-cprop): New flag.
2764
2765         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2766         call to vect_get_new_vect_var.
2767
2768 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2769
2770         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2771         vectype is not NULL.
2772         (vect_pattern_recog_1): Likewise.
2773
2774 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2775
2776         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2777         (fold_negate_expr): Likewise.
2778
2779 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2780
2781         PR debug/30189
2782         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2783         even if cv-qualification is the same.
2784
2785 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2786
2787         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2788         __enable_execute_stack on completion.
2789
2790 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2791
2792         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2793         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2794         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2795         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2796         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2797         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2798         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2799         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2800
2801 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2802
2803         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2804         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2805         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2806         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2807         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2808         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2809         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2810         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2811         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2812         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2813         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2814         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2815         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2816         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2817         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2818         sqrtextenddfxf2_i387): Added amdfam10_decode.
2819
2820         * config/i386/athlon.md (athlon_idirect_amdfam10,
2821         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2822         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2823         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2824         athlon_ivector_store_amdfam10): New define_insn_reservation.
2825         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2826         amdfam10.
2827
2828 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2829
2830         * config/i386/athlon.md (athlon_call_amdfam10,
2831         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2832         define_insn_reservation.
2833         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2834         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2835         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2836
2837 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2838
2839         * config/i386/athlon.md (athlon_sseld_amdfam10,
2840         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2841         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2842
2843 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2844
2845         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2846         define_insn_reservation.
2847         * config/i386/i386.md (sseins): Added sseins to define_attr type
2848         and define_attr unit.
2849         * config/i386/sse.md: Set type attribute to sseins for insertq
2850         and insertqi.
2851
2852 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2853
2854         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2855         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2856         ssecomi_load_amdfam10, ssecomi_amdfam10,
2857         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2858         define_insn_reservation.
2859         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2860
2861 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2862
2863         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2864         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2865         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2866         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2867         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2868         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2869         define_insn_reservation.
2870
2871         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2872         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2873         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2874         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2875         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2876
2877 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2878
2879         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2880         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2881         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2882         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2883         athlon_ssemul_load_k8): Added amdfam10.
2884
2885 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2886
2887         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2888         (x86_sse_unaligned_move_optimal): New variable.
2889
2890         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2891         m_AMDFAM10.
2892         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2893         for unaligned vector SSE double/single precision loads for AMDFAM10.
2894
2895 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2896
2897         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2898         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2899         Define TARGET_CPU_DEFAULT_amdfam10.
2900         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2901         (processor_type): Add PROCESSOR_AMDFAM10.
2902
2903         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2904         processor_type in config/i386/i386.h.
2905         Enable imul peepholes for TARGET_AMDFAM10.
2906
2907         * config.gcc: Add support for --with-cpu option for amdfam10.
2908
2909         * config/i386/i386.c (amdfam10_cost): New variable.
2910         (m_AMDFAM10): New macro.
2911         (m_ATHLON_K8_AMDFAM10): New macro.
2912         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2913         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2914         x86_promote_QImode, x86_integer_DFmode_moves,
2915         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2916         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2917         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2918         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2919         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2920         Enable/disable for amdfam10.
2921         (override_options): Add amdfam10_cost to processor_target_table.
2922         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2923         processor_alias_table.
2924         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2925         (ix86_adjust_cost): Add code for amdfam10.
2926
2927 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2928
2929         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2930         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2931         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2932         * config/i386/i386.h: Add builtin definition for SSE4A.
2933         * config/i386/i386.md: Add support for ABM instructions
2934         (popcnt and lzcnt).
2935         * config/i386/sse.md: Add support for SSE4A instructions
2936         (movntss, movntsd, extrq, insertq).
2937         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2938         Add -march=amdfam10 flag.
2939         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2940         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2941         and amdfam10.
2942         * doc/extend.texi: Add documentation for SSE4A builtins.
2943
2944 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2945
2946         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2947
2948 2007-02-05  Richard Guenther  <rguenther@suse.de>
2949
2950         * tree-vectorizer.h (vectorizable_function): Add argument type
2951         argument, change return type.
2952         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2953         * tree-vect-transform.c (vectorizable_function): Handle extra
2954         argument, return vectorized function decl.
2955         (build_vectorized_function_call): Remove.
2956         (vectorizable_call): Handle calls with result and argument types
2957         differing.  Handle loop vectorization factor correctly.
2958         * targhooks.c (default_builtin_vectorized_function): Adjust for
2959         extra argument.
2960         * targhooks.h (default_builtin_vectorized_function): Likewise.
2961         * target.h (builtin_vectorized_function): Add argument type
2962         argument.
2963         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2964         extra argument, allow vectorizing of lrintf.
2965         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2966         documentation of target hook.
2967
2968 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2969
2970         PR target/30665
2971         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2972         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2973         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2974
2975 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2976
2977         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2978         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2979         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2980         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2981         before canonicalizing sincos to cexpi.
2982         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2983
2984 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2985
2986         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2987         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2988         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2989
2990 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2991
2992         * mips-tfile.c (initialize_init_file): Correct endianness test.
2993
2994 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2995
2996         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2997         the 'y' constraint.
2998
2999 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3000
3001         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
3002         saves in a PARALLEL before the register assignments.
3003
3004 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3005
3006         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
3007         DWARF_FRAME_RETURN_COLUMN to be a general register.
3008         * dwarf2out.c (init_return_column_size): New function, split from...
3009         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
3010         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
3011         to be nongeneral registers.
3012         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
3013         integer registers.
3014         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
3015         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
3016
3017 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3018
3019         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
3020
3021 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3022
3023         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
3024         (remove_path): Use can_remove_branch_p and remove_branch instead
3025         of loop_delete_branch_edge.
3026         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
3027         (tree_transform_and_unroll_loop): Remove dead branches immediately.
3028         Update profile using scale_dominated_blocks_in_loop.
3029         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
3030         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
3031         (can_remove_branch_p, remove_branch): Declare.
3032         * tree-cfg.c (tree_can_remove_branch_p): New function.
3033         (tree_cfg_hooks): Add tree_can_remove_branch_p.
3034         * cfgrtl.c (rtl_can_remove_branch_p): New function.
3035         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
3036
3037 2007-02-05  Jan Hubicka  <jh@suse.cz>
3038
3039         PR middle-end/30696
3040         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
3041         nodes in cgraph, don't remove offline copy of the function.
3042
3043 2007-02-04  Jan Hubicka  <jh@suse.cz>
3044
3045         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
3046         vectors might cause maybe_lookup_element_for_expr to be called
3047         on non-sra-candidate.
3048
3049 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3050
3051         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
3052         config/bfin/bfin.md, config/bfin/predicates.md: Follow
3053         spelling conventions.
3054
3055 2007-02-04  Richard Guenther  <rguenther@suse.de>
3056
3057         PR middle-end/30636
3058         * fold-const.c (try_move_mult_to_index): Make sure to not
3059         overflow one dimension of a multi-dimensional array access.
3060
3061 2007-02-04  Jan Hubicka  <jh@suse.cz>
3062
3063         * passes.c (init_optimization_passes): Reindent.
3064
3065 2007-02-04  Jan Hubicka  <jh@suse.cz>
3066             Eric Botcazou  <ebotcazou@adacore.com>
3067
3068         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3069         (execute_fixup_cfg): Break out the abnormal goto code.
3070         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3071         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3072         (optimize_inline_calls): Call make_nonlocal_label_edges.
3073
3074 2007-02-04  Jan Hubicka  <jh@suse.cz>
3075
3076         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3077         true when something was changed.
3078         (rename_ssa_copies): When something was changed, do
3079         TODO_remove_unused_locals.
3080         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3081         add TODO_remove_unused_locals when instruction was removed.
3082
3083 2007-02-04  Jan Hubicka  <jh@suse.cz>
3084
3085         * ipa-inline.c (try_inline): Improve debug output; work on already
3086         inline edges too.
3087         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3088         call try_inline for already inlined edges too when flattening;
3089         inline also functions that make callee growth but overall unit size
3090         reduce.
3091
3092 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3093
3094         * config/m32c/bitops.md, config/m32c/jump.md,
3095         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3096         config/m32r/m32r.h, config/m32r/m32r.md,
3097         config/m32r/predicates.md, config/m68hc11/larith.asm,
3098         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3099         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3100         config/mips/mips-protos.h, config/mips/mips.c,
3101         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3102         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3103         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3104         spelling conventions.
3105
3106         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3107         Follow spelling conventions.
3108
3109 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3110
3111         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3112         warn about C++0x compatibility.
3113
3114 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3115
3116         * config/h8300/h8300.c, config/h8300/h8300.h,
3117         config/h8300/h8300.md: Follow spelling conventions.
3118
3119 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         PR middle-end/30667
3122         * combine.c (try_combine): Do not substitute source operand
3123         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3124
3125 2007-02-03  Jan Hubicka  <jh@suse.cz>
3126
3127         PR gcov-profile/30650
3128         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3129         do not divide by zero for never executed counters.
3130         (tree_find_values_to_profile): Fix counters.
3131         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3132
3133 2007-02-03  Ian Lance Taylor  <iant@google.com>
3134
3135         * lower-subreg.c (simple_move_operand): New static function,
3136         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3137         operands.
3138         (simple_move): Call simple_move_operand.
3139         (find_decomposable_subregs): Add special handling of MEMs.
3140         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3141         meaning of return value.  If we see a hard register, test whether
3142         it can store a word_mode value.  Change all callers.
3143
3144 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3145
3146         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3147         ftrapv insns and expanders.
3148         (subdi3): Change define_expand operand 1 to arith11_operand, and
3149         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3150         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3151         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3152         respectively.
3153
3154         PR middle-end/30174
3155         * varasm.c (notice_global_symbol): Treat global objects as weak when
3156         flag_shlib is true.
3157
3158 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3159
3160         * emit-rtl.c (dconstpi): Delete.
3161         (dconstsqrt2): New.
3162         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3163         * real.h (dconstpi): Delete.
3164         (dconstsqrt2): New.
3165         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3166         (fold_builtin_hypot): Likewise.
3167
3168 2007-02-03  Tom Tromey  <tromey@redhat.com>
3169
3170         PR driver/30246
3171         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3172         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3173
3174 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3175
3176         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3177         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3178         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3179         config/rs6000/cell.md, config/rs6000/darwin.h,
3180         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3181         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3182         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3183         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3184         typos.  Follow spelling conventions.
3185         * doc/invoke.texi: Follow spelling conventions.
3186
3187 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3188
3189         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3190         canonicalization transformations that attempt to simplify integer
3191         constant comparisons to become comparisons against zero.
3192
3193 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3194
3195         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3196         fabs(x)*sqrt(2).
3197         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3198         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3199
3200 2007-02-02  Mike Stump  <mrs@apple.com>
3201
3202         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3203         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3204         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3205         generate a branch island.
3206
3207 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3208
3209         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3210         (xtensa_legitimate_address_p): New.
3211         (xtensa_legitimize_address): New.
3212         (xtensa_output_addr_const_extra): New.
3213         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3214         (BASE_REG_P): New.
3215         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3216         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3217         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3218         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3219         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3220         (xtensa_legitimize_address): New.
3221         (xtensa_output_addr_const_extra): New.
3222
3223 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3224
3225         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3226
3227 2007-02-02  Ian Lance Taylor  <iant@google.com>
3228
3229         * expmed.c (expand_divmod): Add comment.
3230
3231 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3232
3233         * emit-rtl.c (renumber_insns): Remove.
3234         * flags.h: Remove the extern for flag_renumber_insns.
3235         * rtl.h: Remove the prototype for renumber_insns.
3236         * toplev.c (flag_renumber_insns): Remove.
3237
3238 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3239
3240         Revert for x86 darwin:
3241         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3242
3243         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3244         code before the following patch under TARGET_MACHO.
3245         (ix86_function_value_regno_p): Likewise.
3246
3247 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3248
3249         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3250         COMPLEX_EXPR.
3251
3252 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3253
3254         PR target/29682
3255         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3256         general or fp registers.  Add comments.
3257         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3258
3259 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3260
3261         * pointer-set.c (insert_aux): Only return insertion slot.
3262         (pointer_set_insert): Adjust.
3263         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3264         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3265         pointer_map_traverse): New.
3266         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3267         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3268         pointer_map_contains, pointer_map_traverse): Declare.
3269
3270 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3271
3272         PR middle-end/30473
3273         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3274         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3275
3276 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3277
3278         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3279
3280         (struct _dep): New type.
3281         (dep_t): New typedef.
3282         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3283         (DEP_STATUS): New access macro.  The macro with the same name was
3284         renamed to DEP_LINK_STATUS.
3285         (dep_init): Declare function
3286
3287         (struct _dep_link): New type.
3288         (dep_link_t): New typedef.
3289         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3290         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3291         (DEP_LINK_STATUS): New macro.
3292         (debug_dep_links): New debug function.
3293
3294         (struct _deps_list): New type.
3295         (deps_list_t): New typedef.
3296         (DEPS_LIST_FIRST): New access macro.
3297         (FOR_EACH_DEP_LINK): New cycle macro.
3298         (create_deps_list, free_deps_list, delete_deps_list): Declare
3299         functions.
3300         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3301         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3302         (copy_deps_list_change_con): Ditto.
3303
3304         (move_dep_link): Declare function.
3305
3306         (struct _dep_node): New type.
3307         (dep_node_t): New typedef.
3308         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3309
3310         (struct haifa_insn_data.back_deps): New field to hold backward
3311         dependencies of the insn.
3312         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3313         to deps_list_t.
3314         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3315         Change its type to deps_list_t.
3316         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3317         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3318         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3319
3320         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3321
3322         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3323
3324         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3325         all callers.
3326         (dep_cost): Declare.
3327
3328         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3329         (ds_to_dk, dk_to_ds): New functions.
3330
3331         (init_dep_1): New static function.
3332         (init_dep): New function.
3333         (copy_dep): New static function.
3334
3335         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3336         functions.
3337         (detach_dep_link): New static function.
3338         (move_dep_link): New function.
3339
3340         (dep_links_consistent_p, dump_dep_links): New static functions.
3341         (debug_dep_links): New debugging function.
3342
3343         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3344
3345         (alloc_deps_list, init_deps_list): New static functions.
3346         (create_deps_list): New function.
3347         (clear_deps_list): New static function.
3348         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3349         (deps_list_consistent_p, dump_deps_list): New static functions.
3350         (debug_deps_list): New function.
3351         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3352         functions.
3353         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3354
3355         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3356         use new scheduler dependencies lists.
3357         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3358         (sched_analyze): Ditto.  Initialize dependencies lists.
3359         (add_forw_dep, compute_forward_dependences): Update to use new
3360         scheduler dependencies lists.
3361
3362         (init_dependency_caches): Init deps_obstack.
3363         (free_dependency_caches): Free deps_obstack.
3364
3365         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3366         new scheduler dependencies lists.
3367         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3368         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3369
3370         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3371         Update to use new scheduler dependencies lists.
3372         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3373         (debug_dependencies): Ditto.
3374         (schedule_region): Update comments.
3375
3376         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3377         scheduler dependencies lists.
3378         (schedule_ebb): Update comments.
3379
3380         * rtl.def (DEPS_LIST): Remove.
3381
3382         * lists.c (unused_deps_list): Remove.
3383         (free_list): Update assertions.
3384
3385         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3386         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3387
3388         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3389         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3390
3391         * haifa-sched.c (comments): Update.
3392         (insn_cost1): Remove.  Inline the code into insn_cost ().
3393         (insn_cost): Update to use new scheduler dependencies lists.  Move
3394         processing of the dependency cost to dep_cost ().
3395         (dep_cost): New function.  Use it instead of insn_cost () when
3396         evaluating cost of the dependency.  Use compatible interface to
3397         interact with the target.
3398         (priority): Update to use new scheduler dependencies lists.
3399         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3400         with greater number of insns that depend on the insn.
3401         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3402         code to free backward dependencies lists.  Inline and optimize code
3403         from resolve_dep () - see PR28071.
3404         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3405         lists.  Update call to targetm.sched.is_costly_dependence hook.
3406
3407         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3408         scheduler dependencies lists.
3409
3410         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3411         (init_h_i_d): Initialize dependencies lists.
3412
3413         (process_insn_depend_be_in_spec): Rename to
3414         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3415         dependencies lists.
3416         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3417         Update to use new scheduler dependencies lists.
3418         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3419
3420         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3421         new scheduler dependencies lists.
3422         (build_intra_loop_deps): Ditto.
3423
3424         * target.h (struct _dep): Declare to use in
3425         gcc_target.sched.is_costly_dependence.
3426         (struct gcc_target.sched.adjust_cost): Fix typo.
3427         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3428         single dep_t parameter instead of an equivalent triad.
3429         (struct gcc_target.sched.adjust_cost_2): Remove.
3430
3431         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3432
3433         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3434
3435         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3436         documentation.
3437         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3438
3439         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3440         (REG_DEP_TRUE): Document.
3441
3442         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3443         Change signature to correspond to the targetm.sched.adjust_cost hook.
3444         Update use in TARGET_SCHED_ADJUST_COST_2.
3445         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3446         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3447         new scheduler dependencies lists.
3448         (ia64_gen_check): Ditto.
3449
3450         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3451         dependencies lists.
3452
3453         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3454         signature to correspond to the targetm.sched.is_costly_dependence hook.
3455         (is_costly_group): Update to use new scheduler dependencies lists.
3456
3457         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3458         instead of INSN_COST () macro.
3459
3460 2007-02-01  Ian Lance Taylor  <iant@google.com>
3461
3462         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3463
3464 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3465
3466         * pa.md (tp_load): Correct mfctl instruction syntax.
3467
3468 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3469
3470         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3471         altivec_padding_size calculation on AIX.  Improve comment, add
3472         assert to verify that it's right.
3473
3474         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3475         64-bit.
3476
3477 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3478
3479         PR inline-asm/28686
3480         * global.c (global_alloc): Add mising initialization of
3481         ELIMINABLE_REGSET.
3482
3483 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3484
3485         * alias.c (init_alias_analysis): Correct whitespace.
3486         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3487         partition_hot_cold_basic_blocks): Likewise.
3488         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3489         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3490         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3491         fold_builtin_snprintf_chk, fold_builtin_printf,
3492         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3493         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3494         * cfgcleanup.c (cleanup_cfg): Likewise.
3495         * cfgexpand.c (tree_expand_cfg): Likewise.
3496         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3497         * function.c (get_next_funcdef_no): Likewise.
3498         * gengtype.c (main): Likewise.
3499         * genmodes.c (main): Likewise.
3500         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3501         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3502         * ifcvt.c (noce_emit_move_insn): Likewise.
3503         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3504         Likewise.
3505         * stor-layout.c (get_best_mode): Likewise.
3506         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3507         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3508         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3509         perform_var_substitution, solve_graph): Likewise.
3510         * tree-vrp.c (vrp_finalize): Likewise.
3511
3512 2007-02-01  Ian Lance Taylor  <iant@google.com>
3513
3514         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3515         high part of a paradoxical subreg, return a constant zero.
3516
3517 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3518
3519         * toplev.c (lang_dependent_init): Call init_set_costs.
3520         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3521
3522 2007-02-01  Richard Guenther  <rguenther@suse.de>
3523
3524         PR middle-end/30656
3525         * fold-const.c (fold_negate_expr): Allow negating a
3526         constant if overflow does not change.
3527
3528 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3529
3530         * doc/c-tree.texi (Expression trees): Improve markup.
3531         * doc/tm.texi (Register Classes, Addressing Modes)
3532         (Floating Point): Fix spacing after abbreviations.  Fix some
3533         typos.
3534
3535 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3536
3537         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3538         * doc/contrib.texi: Likewise.
3539         * doc/install.texi: Likewise.
3540
3541 2007-01-31  Richard Henderson  <rth@redhat.com>
3542             Ian Lance Taylor  <iant@google.com>
3543
3544         * lower-subreg.c: New file.
3545         * rtl.def (CONCATN): Define.
3546         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3547         pass_lower_subreg2.
3548         * emit-rtl.c (update_reg_offset): New static function, broken out
3549         of gen_rtx_REG_offset.
3550         (gen_rtx_REG_offset): Call update_reg_offset.
3551         (gen_reg_rtx_offset): New function.
3552         * regclass.c: Revert patch of 2006-03-05, restoring
3553         reg_scan_update.
3554         (clear_reg_info_regno): New function.
3555         * dwarf2out.c (concatn_loc_descriptor): New static function.
3556         (loc_descriptor): Handle CONCATN.
3557         * common.opt (fsplit_wide_types): New option.
3558         * opts.c (decode_options): Set flag_split_wide_types when
3559         optimizing.
3560         * timevar.def (TV_LOWER_SUBREG): Define.
3561         * rtl.h (gen_reg_rtx_offset): Declare.
3562         (reg_scan_update): Declare.
3563         * regs.h (clear_reg_info_regno): Declare.
3564         * tree-pass.h (pass_lower_subreg): Declare.
3565         (pass_lower_subreg2): Declare.
3566         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3567         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3568         -fsplit-wide-types.
3569         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3570         * Makefile.in (OBJS-common): Add lower-subreg.o.
3571         (lower-subreg.o): New target.
3572
3573 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3574
3575         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3576
3577 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3578
3579         PR target/19087
3580         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3581
3582 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3583
3584         PR middle-end/29335
3585         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3586
3587 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3588
3589         * cfgloop.h: Include vec-prim.h.
3590         (enum li_flags): Remove LI_ONLY_OLD.
3591         (loop_iterator): Changed.
3592         (fel_next, fel_init): Iterate over loop tree.
3593         (FOR_EACH_LOOP_BREAK): New macro.
3594         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3595         FOR_EACH_LOOP.
3596         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3597         * modulo-sched.c (sms_schedule): Ditto.
3598         * tree-vectorizer.c (vectorize_loops): Ditto.
3599         * doc/loop.texi: Update information on loop numbering and behavior of
3600         FOR_EACH_LOOP wrto new loops.
3601         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3602         add_to_evolution_1): Test nestedness of loops instead of comparing
3603         their numbers.
3604         * tree-chrec.c (chrec_fold_plus_poly_poly,
3605         chrec_fold_multiply_poly_poly, chrec_evaluate,
3606         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3607         reset_evolution_in_loop): Ditto.
3608         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3609
3610 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3611
3612         * c-common.c (warn_about_parentheses): Separate warning about
3613         un-parenthized sequence of comparison operators from the one
3614         which is supposed to warn about x <= y <= z.
3615
3616 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3617
3618         * optabs.h (enum optab_index): Add new OTI_isinf.
3619         (isinf_optab): Define corresponding macro.
3620         * optabs.c (init_optabs): Initialize isinf_optab.
3621         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3622         patterns.
3623         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3624         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3625         using isinf_optab.
3626         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3627         expand_builtin_interclass_mathfn.
3628         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3629         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3630         (fxam<mode>2_i387): New insn pattern.
3631         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3632         built-in functions as x87 inline asm.
3633
3634 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3635
3636         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3637
3638 2007-01-30  Eric Christopher  <echristo@apple.com>
3639
3640         * config.gcc: Add geode.
3641
3642 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3643
3644         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3645         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3646         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3647         value-prof.c: Fix comment typos.
3648
3649 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3650
3651         PR c++/24745
3652         * doc/invoke.texi (Wpointer-arith): Document warning.
3653
3654 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3655
3656         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3657         the list of discrepancies from the draft TR.
3658
3659 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3660
3661         PR c++/30601
3662         * doc/invoke.texi (-Wreturn-type): Update description to
3663         match new behavior.
3664
3665 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3666
3667         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3668
3669 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3670
3671         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3672         to handle optabs that operate on floating point input argument and
3673         output to integer output.
3674         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3675         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3676         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3677         expand_builtin_interclass_mathfn ().
3678         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3679         (ilogbsi2): Remove.
3680         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3681         ilogbl built-in functions as x87 intrinsics.
3682
3683 2007-01-30  Richard Guenther  <rguenther@suse.de>
3684
3685         PR middle-end/27657
3686         * dwarf2out.c (reference_to_unused): Query varpool if the
3687         variable was output.
3688
3689 2007-01-30  Richard Guenther  <rguenther@suse.de>
3690
3691         PR middle-end/30313
3692         * passes.c (execute_one_pass): Reset in_gimple_form to not
3693         confuse non-unit-at-a-time mode.
3694
3695 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3696             Richard Guenther  <rguenther@suse.de>
3697
3698         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3699         avoid undefined behaviour on overflow.  Use force_fit_type_double
3700         to construct the constant with the specified TREE_OVERFLOW.
3701
3702 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3703
3704         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3705         * config/dfp-bit.h: Ditto.
3706
3707 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3708
3709         * c-decl.c (pop_scope): Replace warnings with call to
3710         warn_for_unused_label.
3711         * c-common.h (warn_for_unused_label): Declare.
3712         * c-common.c (warn_for_unused_label): Define.
3713
3714 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3715
3716         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3717         function.
3718
3719 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3720
3721         * Makefile.in (USER_H): Remove decfloat.h.
3722         * ginclude/decfloat.h: Delete, moving contents to ...
3723         * ginclude/float.h: Add support for decimal floating point,
3724         guarded by __STDC_WANT_DEC_FP__.
3725
3726 2007-01-29  Mike Stump  <mrs@apple.com>
3727
3728         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3729         Analysis and Representation to resolve case insensitive conflict.
3730         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3731
3732 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3733
3734         * tree.h (struct tree_memory_tag): Add aliases member.
3735         (MTAG_ALIASES): New macro.
3736         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3737         (add_may_alias): Remove pointer-set. Update for may_aliases being
3738         a bitmap.
3739         (mark_aliases_call_clobbered): Update for may_aliases being a
3740         bitmap.
3741         (compute_tag_properties): Ditto.
3742         (create_partition_for): Ditto.
3743         (compute_memory_partitions): Ditto.
3744         (dump_may_aliases_for): Ditto.
3745         (is_aliased_with): Ditto.
3746         (add_may_alias_for_new_tag): Ditto.
3747         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3748         (compute_is_aliased): New function.
3749         (compute_may_aliases): Call compute_is_aliased).
3750         (init_alias_info): Initialize alias_bitmap_obstack.
3751         (union_alias_set_into): New function.
3752         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3753         (have_common_aliases_p): Rewrite to take two bitmaps and use
3754         intersection.
3755         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3756         Update for bitmaps.
3757         (finalize_ref_all_pointers): Update for add_may_alias changes.
3758         (new_type_alias): Ditto.
3759         * tree-flow-inline.h (may_aliases): Return a bitmap.
3760         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3761         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3762         may_aliases being a bitmap.
3763         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3764         may_aliases now returns a bitmap.
3765         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3766         being a bitmap.
3767         * tree-ssa-operands.c (add_virtual_operand): Update for
3768         may_aliases being a bitmap.
3769
3770 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3771
3772         PR tree-optimization/30630
3773         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3774         variable as changed.
3775
3776 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3777
3778         PR c++/28266
3779         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3780         expanded only once even if an error occurs.
3781
3782 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3783
3784         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3785         (__gcov_average_profiler): Likewise.
3786         (__gcov_ior_profiler): Likewise.
3787         (__gcov_merge_ior): Likewise.
3788
3789 2007-01-28  Jan Hubicka  <jh@suse.cz>
3790
3791         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3792         * value-prof.c (stringop_block_profile): Likewise.
3793
3794 2007-01-28  Jan Hubicka  <jh@suse.cz>
3795
3796         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3797         variant handling histograms; add wrapper.
3798         (clear_storage_via_libcall): Export.
3799         (emit_block_move_hints): Break out from ...; add histograms.
3800         (emit_block_move): ... this one.
3801         (clear_storage_hints): Break out from ...; add histograms.
3802         (clear_storage): ... this one.
3803         (set_storage_via_memset): Handle histogram.
3804         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3805         (clear_storage_hints, clear_storage_via_libcall): Declare.
3806         (set_storage_via_setmem): Update prototype.
3807         * doc/md.texi (movmem, setmem): Document new arguments.
3808
3809         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3810         new histograms.
3811         (stringop_block_profile): New global function.
3812         (tree_stringops_values_to_profile): Profile block size and alignment.
3813         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3814         HIST_TYPE_IOR.
3815         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3816         (stringop_block_profile): Declare.
3817         * builtins.c: Include value-prof.h.
3818         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3819         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3820         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3821         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3822         * profile.c (instrument_values): Add new counters.
3823         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3824         calls.
3825         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3826         (tree_init_edge_profiler): Build new profilers.
3827         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3828         (pass_tree_profile): Add dump.
3829         (tree_profile_hooks): Update.
3830         * Makefile.in (LIBGCOV): Add new constants.
3831         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3832         __gcov_ior_profiler): New.
3833         * i386.md (movmem/setmem expanders): Add new optional arguments.
3834
3835 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3836
3837         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3838
3839 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3840
3841         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3842         (tree_unswitch_single_loop): Pass eni_size_weights to
3843         tree_num_loop_insns.
3844         * tree-ssa-loop-manip.c: Include tree-inline.h.
3845         (can_unroll_loop_p): Pass eni_size_weights to
3846         tree_num_loop_insns.
3847         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3848         Pass eni_size_weights to estimate_num_insns.
3849         * tree.h (init_inline_once): Export.
3850         * toplev.c (backend_init): Call init_inline_once.
3851         * cgraphunit.c (cgraph_process_new_functions,
3852         cgraph_analyze_function): Pass eni_inlining_weights to
3853         estimate_num_insns.
3854         * ipa-inline.c (compute_inline_parameters): Ditto.
3855         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3856         to estimate_num_insns.
3857         (try_unroll_loop_completely): Pass eni_size_weights to
3858         tree_num_loop_insns.
3859         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3860         ot estimate_num_insns.
3861         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3862         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3863         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3864         eni_time_weights): New variables.
3865         (init_inline_once): Initialize them.
3866         (struct eni_data): Mew.
3867         (estimate_num_insns_1, estimate_num_insns): Use weights.
3868         * tree-inline.h (struct eni_weights_d): New.
3869         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3870         (estimate_num_insns): Declaration changed.
3871         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3872         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3873         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3874
3875 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3876
3877         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3878         relations in the conflict function is valid.
3879
3880 2007-01-27  Ian Lance Taylor  <iant@google.com>
3881
3882         * common.opt: Add fstrict-overflow.
3883         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3884         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3885         (TYPE_OVERFLOW_UNDEFINED): Define.
3886         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3887         Replace all uses.
3888         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3889         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3890         (fold_negate_expr): Likewise.
3891         (make_range): Likewise.
3892         (extract_muldiv_1): Likewise.
3893         (maybe_canonicalize_comparison): Likewise.
3894         (fold_comparison): Likewise.
3895         (fold_binary): Likewise.
3896         (tree_expr_nonnegative_p): Likewise.
3897         (tree_expr_nonzero_p): Likewise.
3898         * tree-vrp.c (compare_values): Likewise.
3899         (extract_range_from_binary_expr): Likewise.
3900         (extract_range_from_unary_expr): Likewise.
3901         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3902         Likewise.
3903         (nowrap_type_p): Likewise.
3904         * tree-scalar-evolution.c (simple_iv): Likewise.
3905         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3906         (build_range_check): Likewise.
3907         (extract_muldiv_1): Likewise.
3908         (fold_comparison): Likewise.
3909         * tree-vrp.c (vrp_int_const_binop): Likewise.
3910         (extract_range_from_unary_expr): Likewise.
3911         * convert.c (convert_to_integer): Likewise.
3912         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3913         (fold_comparison): Likewise.
3914         (fold_binary): Likewise.
3915         * optabs.c (optab_for_tree_code): Likewise.
3916         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3917         * simplify-rtx.c (simplify_const_relational_operation): Check
3918         flag_strict_overflow and flag_trapv.
3919         (simplify_const_relational_operation): Likewise.
3920         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3921         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3922         -fstrict-overflow.
3923
3924 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3925
3926         * tree.c (tree_fold_gcd): Delete.
3927         * tree.h (tree_fold_gcd): Remove prototype.
3928         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3929         test whether one constant integer is a multiple of another.  Instead
3930         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3931         * fold-const.c (multiple_of_p):  We've determined both TOP and
3932         BOTTOM are integer constants so we can call int_const_binop directly
3933         instead of the more generic const_binop.
3934
3935 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3936
3937         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3938         1*X check that the constant hasn't overflowed, to preserve the
3939         TREE_OVERFLOW bit.
3940         (round_up): Provide an efficient implementation when rouding-up an
3941         INTEGER_CST to a power-of-two.
3942
3943 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3944
3945         * doc/sourcebuild.texi: Add comma for clarity.
3946         * doc/extend.texi: Fix some typos.
3947         * doc/passes.texi: Likewise.
3948         * doc/cppinternals.texi: Likewise.
3949         * doc/c-tree.texi: Likewise.
3950         * doc/tree-ssa.texi: Likewise.
3951         * doc/install.texi: Likewise.
3952
3953 2007-01-27  Jan Hubicka  <jh@suse.cz>
3954
3955         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3956         (pass_sra): Do not require alias information.
3957         * passes.c (init_optimization_passes): Add SRA
3958
3959 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3960
3961         * tracer.c (rest_of_handle_tracer): We already cleaned
3962         up the CFG in tracer() so don't do it here again.
3963         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3964         cleanup_cfg here, either.  And don't call renumber_insns.
3965
3966         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3967         and BB_HEAD are in the insn stream here.  Instead make sure
3968         that BB_INSN is valid on all insns.  Also, do check here that
3969         there are no pending branch predictions...
3970         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3971         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3972         here.
3973
3974 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3975
3976         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3977         function to simplify/factorize operand order canonicalization.
3978         (ix86_fixup_binary_operands): Reorganize using the above function.
3979         (ix86_binary_operator_ok): Likewise.
3980
3981 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3982
3983         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3984         file scope from optimize_attrs.
3985         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3986         up search.
3987         (optimize_attrs): Clear insn_code_values after freeing it.
3988
3989 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3990
3991         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3992         a parts.base assignment.
3993
3994 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3995
3996         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3997         (compute_subscript_distance, initialize_data_dependence_relation,
3998         finalize_ddr_dependent, analyze_ziv_subscript,
3999         analyze_siv_subscript_cst_affine,
4000         compute_overlap_steps_for_affine_univar,
4001         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
4002         analyze_siv_subscript, analyze_miv_subscript,
4003         analyze_overlapping_iterations, subscript_dependence_tester_1,
4004         compute_self_dependence, free_dependence_relation): Work
4005         with affine_fn instead of chrecs.
4006         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
4007         common_affine_function, affine_function_base,
4008         affine_function_constant_p, affine_fn_op, affine_fn_plus,
4009         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
4010         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
4011         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
4012         (all_chrecs_equal_p): Removed.
4013         * tree-data-ref.h (affine_fn, conflict_function): New types.
4014         (struct subscript): Change type of conflicting_iterations_in_a
4015         and conflicting_iterations_in_b.
4016
4017 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
4018
4019         PR other/30182
4020         * config/pa/pa.h (TARGET_HPUX_11): New.
4021         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
4022         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
4023
4024 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
4025         Richard Guenther  <rguenther@suse.de>
4026
4027         * tree-ssa-structalias.c (solve_graph): Handle case
4028         we merged the variable to another.
4029
4030 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4031
4032         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
4033         functions.
4034
4035         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
4036         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
4037
4038 2007-01-25  DJ Delorie  <dj@redhat.com>
4039
4040         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
4041         allow changes to modes which don't fit in those registers.
4042
4043         * reload1.c (choose_reload_regs): Check for invalid subregs before
4044         computing their locations, not after.
4045
4046 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
4047
4048         PR 25127
4049         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
4050         save Altivec registers in an eh_return function.
4051         (compute_vrsave_mask): Likewise.
4052         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
4053         for saving Altivec registers.
4054         (rs6000_emit_prologue): Don't allocate stack twice in
4055         eh_return function.  Correct expected value of altivec_save_offset
4056         when using save_world.  Describe save of R0 to stack when using
4057         save_world.  Describe stack pointer adjustment when using
4058         save_world.  Remove duplicated eh_return parameter register saving.
4059         Update sp_offset variable after save_world.
4060         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
4061         darwin-world.asm.
4062         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4063         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4064         implies Altivec.
4065
4066 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4067
4068         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4069
4070 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4071
4072         PR other/30182
4073         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4074         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4075
4076 2007-01-25  Richard Guenther  <rguenther@suse.de>
4077
4078         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4079         * common.opt (-Wcoverage-mismatch): New warning option.
4080         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4081         if -Wcoverage-mismatch is given.
4082
4083 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4084
4085         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4086         (ipcp_driver): Change to static definition.
4087         Add dumping of the ifunctions.
4088         (constant_val_insert): Remove unused parameter. Support for SSA.
4089         (ipcp_propagate_const): Support for SSA.
4090         (ipcp_profile_bb_print): Print only analyzed nodes.
4091         (ipcp_replace_map_create): Remove support for Fortran constant
4092         for now.
4093         * ipa-prop.c (ipa_method_modify_stmt,
4094         ipa_callsite_compute_param): Support for SSA.
4095         * ipa-prop.h (ipcp_driver): Remove declaration.
4096         (IS_VALID_TREE_MAP_INDEX): Add define.
4097
4098 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4099
4100         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4101
4102 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4103
4104         PR middle-end/30447
4105         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4106         constant argument to cabs and do it without checking for
4107         -funsafe-math-optimizations.
4108
4109 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4110
4111         * c-common.h (RID_FIRST_CXX0X): New.
4112         (RID_LAST_CXX0X): New.
4113         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4114         by -Wall.
4115         * c.opt (Wc++0x-compat): New.
4116         * doc/invoke.texi (-Wc++0x-compat): Document.
4117
4118 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4119
4120         * builtins.c (fold_builtin_carg): New.
4121         (fold_builtin_1): Use it.
4122
4123 2007-01-24  Jan Hubicka  <jh@suse.cz>
4124
4125         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4126
4127         * ipa-inline.c (initial_insns, max_insns): Delete.
4128         (compute_max_insns): New function.
4129         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4130         of insns as base for code growth.
4131         (cgraph_decide_inlining): Make initial_insns local; do not compute
4132         max_insns.
4133         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4134         * doc/invoke.texi (inline-unit-growth): Update docs.
4135
4136 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4137
4138         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4139         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4140         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4141         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4142         for CPUs that have PTA_CX16 set.
4143
4144         PR middle-end/27416
4145         * gimplify.c (omp_check_private): New function.
4146         (gimplify_scan_omp_clauses): Use it for
4147         firstprivate/lastprivate/reduction.
4148
4149         PR middle-end/30494
4150         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4151         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4152
4153         PR middle-end/30421
4154         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4155         If lower_lastprivate_clauses emits some statements, append them
4156         to dlist rather than body_p and to body_p append an initializer.
4157         (lower_omp_for): Adjust caller.
4158
4159 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4160
4161         * target.h (globalize_decl_name): New.
4162         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4163         * output.h (default_globalize_decl_name): New.
4164         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4165         globalize_label.
4166         (globalize_decl): Ditto.
4167         (default_globalize_decl_name): New.
4168         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4169         (ia64_handle_version_id_attribute): New.
4170         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4171         (ia64_asm_output_external): Use globalize_decl_name instead
4172         of globalize_label.
4173         * doc/extend.texi (version_id): New pragma.
4174         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4175
4176 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4177
4178         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4179         _uleb128_t and _Unwind_SWord with _sleb128_t.
4180         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4181         uw_frame_state_for, uw_update_context_1): Likewise.
4182         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4183         * unwind-pe.h (read_uleb128, read_sleb128,
4184         read_encoded_value_with_base): Likewise.
4185         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4186
4187 2007-01-24  Richard Guenther  <rguenther@suse.de>
4188
4189         * builtins.c (expand_builtin_cexpi): Get the fndecl
4190         for cexp in the correct way.
4191
4192 2007-01-24  Jan Hubicka  <jh@suse.cz>
4193
4194         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4195
4196 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4197
4198         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4199         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4200         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4201         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4202         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4203         __SIZEOF_PTRDIFF_T__.
4204         * doc/cpp.texi: Documentation for the new builtin macros added.
4205
4206 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4207
4208         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4209         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4210         instead of operands[2] to avoid access past the end of array.
4211
4212 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4213
4214         * reload1.c (emit_reload_insns): Pass the reload register
4215         for a non-spill output reload through forget_old_reloads_1.
4216
4217 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4218
4219         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4220         _SOFT_DOUBLE if doubles use software floating-point.
4221         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4222         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4223         * config/rs6000/darwin-ldouble.c: Also compile functions for
4224         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4225         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4226         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4227         commented-out long double override.
4228         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4229         * config/rs6000/eabispe.h: Likewise.
4230         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4231         long double for non-SPE.
4232         (rs6000_handle_option): Likewise.
4233         (invalid_e500_subreg): Disallow more subregs involding DImode,
4234         DFmode, TImode or TFmode.
4235         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4236         E500 double.
4237         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4238         double.
4239         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4240         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4241         double.
4242         (rs6000_legitimate_address): Also check for TFmode for E500
4243         double.
4244         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4245         (spe_build_register_parallel): Handle TFmode and TCmode.
4246         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4247         double.
4248         (function_arg): Handle TFmode and TCmode for E500 double.
4249         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4250         in general.
4251         (print_operand): Handle TFmode and TImode for %y.
4252         (rs6000_generate_compare): Handle TFmode comparisons for E500
4253         double.
4254         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4255         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4256         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4257         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4258         TFmode for E500 double.
4259         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4260         (floatsidf2): Enable for E500 double.
4261         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4262         (extenddftf2): Change to extenddftf2_fprs.
4263         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4264         depending on TARGET_E500_DOUBLE.
4265         (extendsftf2): Enable for E500 double.
4266         (trunctfdf2): Enable for E500 double.
4267         (trunctfsf2): Change to trunctfsf2_fprs.
4268         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4269         depending on TARGET_E500_DOUBLE.
4270         (floatsitf2): Enable for E500 double.
4271         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4272         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4273         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4274         (negtf2): Change to negtf2_internal.
4275         (negtf2): New expander.
4276         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4277         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4278         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4279         (movdi_internal32): Use rs6000_nonimmediate_operand.
4280         (unnamed splitter): Likewise.
4281         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4282         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4283         (SPE64TF, DITI): New mode macros.
4284         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4285         modes.
4286         (frob_tf_ti): New.
4287         (frob_<mode>_di_2): New.
4288         (frob_tf_di_8_2): New.
4289         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4290         (frob_ti_tf): New.
4291         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4292         more modes.
4293         (frob_ti_<mode>_8_2): New.
4294         (frob_ti_tf_2): New.
4295         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4296         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4297         TFmode.
4298         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4299         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4300         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4301         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4302         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4303         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4304         tsttflt_gp): New.
4305
4306 2007-01-23  Ian Lance Taylor  <iant@google.com>
4307
4308         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4309         insn-*.o first.
4310         (OBJS-archive): Reformat, alphabetize.
4311         (OBJS): Change out_object_file to OBJS-md.
4312
4313 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4314
4315         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4316         JUMP_P and CALL_P predicates where applicable.
4317         * config/i386/i386.c: Ditto.
4318         * config/i386/i386.md: Ditto.
4319         * config/i386/mmx.md: Ditto.
4320         * config/i386/predicates.md: Ditto.
4321
4322 2007-01-22  Andreas Schwab  <schwab@suse.de>
4323
4324         * config/m68k/m68k.h: Fix comment.
4325
4326 2007-01-22  Jan Hubicka  <jh@suse.cz>
4327
4328         * passes.c (init_optimization_passes): Do not rerun
4329         pass_early_warn_uninitialized.
4330
4331 2007-01-22  Richard Guenther  <rguenther@suse.de>
4332
4333         PR tree-optimization/30038
4334         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4335         function.
4336         (execute_cse_sincos_1): Likewise.
4337         (execute_cse_sincos): Likewise.
4338         (gate_cse_sincos): Likewise.
4339         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4340         the cexpi() canonicalization of sincos().
4341         * tree-pass.h (pass_cse_sincos): Declare.
4342         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4343
4344 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4345
4346         PR rtl-optimization/29329
4347         * combine.c (replaced_rhs_insn): Rename to i2mod.
4348         (replaced_rhs_value): Rename to i2mod_new_rhs.
4349         (i2mod_old_rhs): New global variable.
4350         (combine_instructions): Adjust for above change.  Save a copy of
4351         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4352         note are substituted in the second instruction.
4353         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4354         ditch the note if it pertains to the second eliminated register
4355         and this register is mentioned in i2mod_old_rhs.
4356
4357         Revert:
4358         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4359
4360         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4361         the insn to which the note was originally attached.
4362
4363 2007-01-21  Jan Hubicka  <jh@suse.cz>
4364
4365         * ipa-inline.c (inlining_mode): Comment, move up.
4366         (cgraph_decide_inlining_incrementally): Do not perform inlining
4367         itself; fix handling of flattening of self recursive functions.
4368         (cgraph_find_cycles): Remove.
4369         (cgraph_flatten_node): Remove.
4370         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4371         (try_inline): New function.
4372         (cgraph_early_inlining): Update call of
4373         cgraph_decide_inlining_incrementally.  Apply inlining here.
4374         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4375
4376 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4377
4378         PR bootstrap/30511
4379         * tree-vrp.c (check_array_bounds): do not warn
4380         about ADDR_EXPR's of ARRAY_REF's which are immediately
4381         used in binary expressions.
4382
4383 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4384
4385         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4386         read_write_dep and macros for its access.
4387         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4388         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4389         argument, call vect_check_interleaving for every independent pair of
4390         data-refs. Mark loads that access the same memory location as a store
4391         in the loop.
4392         (vect_check_dependences): Remove.
4393         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4394         call, fix the call to vect_analyze_data_ref_dependence.
4395         (vect_analyze_data_ref_access): For statements that access the same
4396         data-ref, check that they are not stores; for loads, check that there
4397         is no store that access the same location.
4398
4399 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4400             Joseph Myers  <joseph@codesourcery.com>
4401
4402         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4403         (-fdump-rtl-stack): Likewise.
4404         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4405         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4406         (-mpt-fixed): Use @minus{} for minus sign.
4407         (Using Precompiled Headers): Fix under/overfull hbox.
4408
4409 2007-01-20  Jan Hubicka  <jh@suse.cz>
4410
4411         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4412         place within annotation.
4413
4414 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4415
4416         * pa.c (output_move_double): Change array size of xoperands to 4.
4417
4418 2007-01-20  Jan Hubicka  <jh@suse.cz>
4419
4420         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4421         as temporary.
4422
4423 2007-01-19  Ian Lance Taylor  <iant@google.com>
4424
4425         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4426         constant to unsigned HOST_WIDE_INT before negating.
4427
4428 2007-01-19  Ian Lance Taylor  <iant@google.com>
4429
4430         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4431         to unsigned.
4432         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4433         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4434         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4435         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4436         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4437         (realloc_vdef, realloc_vuse): Change second parameter to
4438         unsigned.
4439         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4440         fields to unsigned.
4441         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4442         unsigned. Change x and lim locals to unsigned.
4443         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4444         unsigned.
4445         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4446         (copy_virtual_operands): Change i and n locals to unsigned.
4447
4448 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4449
4450         PR middle-end/29335
4451         * builtins.c (fold_builtin_1): Handle builtin fdim.
4452
4453 2007-01-20  Jan Hubicka  <jh@suse.cz>
4454
4455         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4456         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4457         init_alias_heapvars.
4458         (init_alias_heapvars): Initialize only when not already initialized.
4459         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4460
4461 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4462
4463         * common.opt (fsigned-zeros): New command line option.
4464         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4465         of flag_unsafe_math_optimizations.
4466         * opts.c (set_fast_math_flags): The -ffast-math command line option
4467         implies -fno-signed-zeros.
4468         (fast_math_flags_set_p): Likewise.
4469
4470         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4471         the documentation of -ffast-math appropriately.  Wrap long lines.
4472
4473 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4474
4475         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4476         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4477
4478 2007-01-19  Tomas Bily  <tbily@suse.cz>
4479
4480         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4481         * tree-profile.c:
4482         (tree_init_ic_make_global_vars): New function
4483         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4484         (tree_gen_ic_profiler): New function
4485         (tree_gen_ic_func_profiler): New function
4486         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4487         (tree_profile_hooks): Added hook for indirec/virtual calls
4488         * value-prof.c (tree_find_values_to_profile): New case for
4489         indirect calls
4490         (tree_values_to_profile): Call for determining indirect/virtual
4491         counters
4492         (tree_indirect_call_to_profile): New function
4493         (tree_ic_transform): New function
4494         (tree_ic): New function
4495         (find_func_by_pid): New function
4496         (init_pid_map): New function
4497         (tree_value_profile_transformations): Added check for
4498         indirect/virtual call transformation
4499         * value-prof.h (enum hist_type): New counter type for
4500         indirect/virtual calls
4501         (profile_hooks): Added new hook for profiling indirect/virtual
4502         calls
4503         * profile.c (instrument_values): New case for indirect/virtual
4504         call added
4505         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4506         (GCOV_COUNTER_V_INDIR): New counter type
4507         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4508         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4509         call added
4510         * cgraph.c: Definition of cgraph_max_pid
4511         (cgraph_create_node): Default init of pid attribute
4512         * cgraph.h: Declaration of cgraph_max_pid
4513         (struct cgraph_node): Added pid attribute
4514         * libgcov.c (__gcov_indirect_call_profiler): New function
4515         (__gcov_one_value_profiler_body): New function
4516         (__gcov_one_value_profiler): Body was moved to
4517         __gcov_one_value_profiler_body and calls it
4518
4519 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4520
4521         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4522         * gengtype.c (write_types_data, write_func_for_structure,
4523         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4524         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4525         (walk_type, write_func_for_structure): Generate the mark_hook if
4526         needed.
4527
4528 2007-01-19  Jan Hubicka  <jh@suse.cz>
4529
4530         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4531         'early' argument take inlining mode argument specifying whether to
4532         inline for size/speeed or all functions; add support for flattening;
4533         improve dumpting.
4534         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4535
4536 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4537
4538         PR c++/17947
4539         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4540         the name of the declared identifier.
4541
4542 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4543
4544         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4545         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4546         duplicate evaluation.
4547
4548 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4549
4550         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4551         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4552         to XFMode, use acosxf2 and truncate result to requested mode.
4553         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4554         (asin<mode>2): Similarly, with asin expanders.
4555         (*fscalexf4_i387): Rename from *fscalexf4.
4556         (expNcorexf3): New expander.
4557         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4558         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4559         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4560         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4561         patterns for SSE math.
4562         (exp10<mode>2): Similarly, with exp10 expanders.
4563         (exp2<mode>2): Similarly, with exp2 expanders.
4564         (expm1<mode>2): Similarly, with expm1 expanders.
4565         (ldexp<mode>3): Similarly, with ldexp expanders.
4566         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4567         Use gen_truncxf<mode>2_i387_noop to truncate result.
4568
4569 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4570
4571         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4572         for ColdFire targets.
4573
4574 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4575             Richard Sandiford  <richard@codesourcery.com>
4576
4577         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4578         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4579         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4580         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4581         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4582         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4583
4584 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4585
4586         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4587         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4588         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4589         (*adddi_dilshr32_cf): New pattern.
4590         (adddi3, subdi3): Remove first alternatives.
4591
4592 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4593
4594         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4595         implemented using move.l, do not use its cc result for floating-point
4596         comparisons.
4597
4598 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4599
4600         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4601         from accepting 's' constraints if flag_pic.
4602
4603 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4604
4605         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4606         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4607         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4608         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4609
4610 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4611
4612         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4613         ColdFire alternatives.
4614         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4615         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4616         architectures that support ff1 instruction.
4617
4618 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4619             Julian Brown  <julian@codesourcery.com>
4620
4621         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4622         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4623         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4624         Add commentary.
4625
4626 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4627
4628         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4629         and return a bool.
4630         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4631         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4632         HOST_WIDE_INT instead of an rtx.
4633         (m68k_rtx_costs): Update call accordingly.
4634         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4635         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4636         Return a bool.
4637         (output_move_simode_const): Update calls after above changes.
4638         Rework to use automatic variables and predicates like MEM_P.
4639         * config/m68k/m68k.md (pushexthisi_const): Update call to
4640         valid_mov3q_const.
4641
4642 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4643
4644         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4645         in dump_flags test.
4646
4647 2007-01-19  Richard Guenther  <rguenther@suse.de>
4648
4649         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4650         via cexp in case sincos is not available.
4651
4652 2007-01-19  Richard Guenther  <rguenther@suse.de>
4653
4654         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4655         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4656         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4657         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4658         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4659         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4660         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4661         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4662
4663 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4664
4665         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4666         New insn patterns.
4667         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4668         (atan2xf3): Directly generate RTL pattern.
4669         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4670         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4671         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4672         disable patterns for SSE math.
4673         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4674         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4675         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4676         disable patterns for SSE math.
4677
4678 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4679
4680         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4681
4682 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4683
4684         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4685         VIEW_CONVERT_EXPR to the same type as it's operand.
4686
4687 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4688
4689         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4690         configured for long double 128.
4691
4692 2007-01-18  Mike Stump  <mrs@apple.com>
4693
4694         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4695         error.
4696
4697 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4698
4699         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4700         type correct.
4701
4702 2007-01-18  Jan Hubicka  <jh@suse.cz>
4703
4704         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4705         greater than NUM_VOP_FREE_BUCKETS.
4706
4707 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4708
4709         * tree-ssa-structalias.c: Update comments.
4710         (ptabitmap_obstack): Removed.
4711         (pta_obstack): New.
4712         (oldpta_obstack): Ditto.
4713         (stats): Add a few members.
4714         (struct variable_info): Remove node, complex, address_taken, and
4715         indirect_target members. Add oldsolution member.
4716         (new_var_info): Do not initialize removed members.
4717         (constraint_expr_type): Remove INCLUDES.
4718         (constraint_graph): Add size, implicit_preds, rep,
4719         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4720         (FIRST_REF_NODE): New macro.
4721         (LAST_REF_NODE): Ditto.
4722         (FIRST_ADDR_NODE): Ditto.
4723         (find): New function.
4724         (unite): Ditto.
4725         (dump_constraint): Do not handle INCLUDES.
4726         (insert_into_complex): Do not insert duplicate constraints.
4727         (condense_varmap_nodes): Renamed and rewritten into ...
4728         (merge_node_constraints): This. Also fix bug in handling of
4729         offseted copy constraints.
4730         (clear_edges_for_node): No longer need to deal with preds at all,
4731         or removing associated preds/succs.
4732         (merge_graph_nodes): Deal with indirect_cycles.
4733         Don't deal with predecessors.
4734         (add_implicit_graph_edge): New function.
4735         (add_pred_graph_edge): Ditto.
4736         (add_graph_edge): Don't deal with predecessors.
4737         (build_constraint_graph): Removed.
4738         (build_pred_graph): New function.
4739         (build_succ_graph): Ditto.
4740         (struct scc_info): Removed in_component. Added roots, dfs, and
4741         node_mapping. Remove visited_index, unification_queue.
4742         (scc_visit): Deal with union-find we do now.
4743         Deal with cycles with REF nodes.
4744         (collapse_nodes): Renamed and rewritten to ...
4745         (unify_nodes): This.
4746         (process_unification_queue): Removed.
4747         (topo_visit): Cleanup
4748         (do_da_constraint): Use find.
4749         (do_sd_constraint): Ditto.
4750         (do_ds_constraint): Ditto.
4751         (do_complex_constraint): Ditto.
4752         (init_scc_info): Update for removed and added members.
4753         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4754         (find_indirect_cycles): This.
4755         (equivalence_class): New variable.
4756         (label_visit): New function.
4757         (perform_variable_substitution): Rewritten.
4758         (free_var_substitution_info): New function.
4759         (find_equivalent_node): Ditto.
4760         (move_complex_constraints): Ditto.
4761         (eliminate_indirect_cycles): Ditto.
4762         (solve_graph): Only propagate changed bits.
4763         Use indirect cycle elimination.
4764         Use find.
4765         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4766         (tree_id_eq): Renamed to ...
4767         (tree_vi_eq): This. Update for member change
4768         (insert_id_for_tree): Renamed and rewritten to ...
4769         (insert_vi_for_tree): This.
4770         (lookup_id_for_tree): Renamed and rewritten to ...
4771         (lookup_vi_for_tree): This.
4772         (get_id_for_tree): Renamed and rewritten to ...
4773         (get_vi_for_tree): Ditto.
4774         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4775         (process_constraint): Don't handle INCLUDES.
4776         Remove special ADDRESSOF case.
4777         (find_func_aliases): Rewrite to use vi functions instead of id
4778         ones.
4779         (create_function_info_for): Ditto.
4780         (create_variable_info_for): Ditto.
4781         (intra_create_variable_infos): Ditto.
4782         (merge_smts_into): Ditto.
4783         (find_what_p_points_to): Ditto.
4784         (init_base_vars): Ditto.
4785         (init_alias_vars): Ditto.
4786         (remove_preds_and_fake_succs): New function.
4787         (dump_sa_points_to_info): Dump new stats.
4788         (dump_solution_for_var): Use find.
4789         (set_used_smts): Fix formatting.
4790         (compute_points_to_sets): Updated for new functions.
4791         (ipa_pta_execute): Ditto.
4792
4793 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4794             Richard Sandiford  <richard@codesourcery.com>
4795
4796         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4797         parallels.
4798         * calls.c (expand_call): If the return value is a PARALLEL,
4799         extract its first member.
4800         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4801         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4802         use FUNCTION_EXTRA_EPILOGUE.
4803         (m68k_function_value): Return a PARALLEL if the return value
4804         is of a pointer type.
4805         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4806         (FUNCTION_EXTRA_EPILOGUE): Remove.
4807         * config/m68k/m68k.md (D0_REG): New constant.
4808
4809 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4810
4811         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4812         output a NOP for empty epilogues.
4813
4814 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4815
4816         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4817         before function.  Extend register save check to include all
4818         registers, not just integer ones.
4819
4820 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4821
4822         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4823         (m68k_use_return_insn): ...this.
4824         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4825         * config/m68k/m68k.c (use_return_insn): Rename to...
4826         (m68k_use_return_insn): ...this.
4827         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4828         of USE_RETURN_INSN.
4829
4830 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4831
4832         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4833         nearest even, fix denormal rounding overflow.
4834
4835 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4836
4837         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4838         f%$smove and f%$move.
4839         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4840         (extendsfdf2_cf): Use fdmove instead of f%&move.
4841         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4842         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4843
4844 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4845
4846         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4847         GPR<-GPR moves.
4848
4849 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4850
4851         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4852         (coldfire_single_format): Declare.
4853         (coldfire_double_format): Likewise.
4854         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4855         of qnan_msb_set to determine the lower bits of a canonical
4856         NaN significand.
4857         (encode_ieee_double): Likewise.
4858         (encode_ieee_quad): Likewise.
4859         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4860         (mips_single_format): Likewise.
4861         (ieee_double_format): Likewise.
4862         (mips_double_format): Likewise.
4863         (ieee_extended_motorola_format): Likewise.
4864         (ieee_extended_intel_96_format): Likewise.
4865         (ieee_extended_intel_128_format): Likewise.
4866         (ieee_extended_intel_96_round_53_format): Likewise.
4867         (ibm_extended_format): Likewise.
4868         (mips_extended_format): Likewise.
4869         (ieee_quad_format): Likewise.
4870         (mips_quad_format): Likewise.
4871         (vax_f_format): Likewise.
4872         (vax_d_format): Likewise.
4873         (vax_g_format): Likewise.
4874         (i370_single_format): Likewise.
4875         (i370_double_format): Likewise.
4876         (decimal_single_format): Likewise.
4877         (decimal_double_format): Likewise.
4878         (decimal_quad_format): Likewise.
4879         (c4x_single_format): Likewise.
4880         (c4x_extended_format): Likewise.
4881         (real_internal_format): Likewise.
4882         (coldfire_single_format): New real_format.
4883         (coldfire_double_format): Likewise.
4884         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4885         canonical_nan_lsbs_set.
4886         (pdp11_d_format): Likewise.
4887         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4888         if TARGET_COLDFIRE_CPU.
4889
4890 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4891
4892         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4893         (output_call, m68k_legitimize_call_address): Declare.
4894         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4895         parenthesees.  Add support for a 'W' constraint.
4896         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4897         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4898         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4899         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4900         variables.
4901         (override_options): Initialize them.  Do not set flag_no_function_cse
4902         for TARGET_ID_SHARED_LIBRARY.
4903         (m68k_output_pic_call): Delete.
4904         (m68k_legitimize_call_address): New function.
4905         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4906         (output_call): New function.
4907         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4908         target address from the GOT if symbolic jumps are not allowed.
4909         * config/m68k/m68k.md (call, general_operand): Do not set
4910         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4911         Merge separate flag_pic and !flag_pic define_insns into...
4912         (*call, *call_value): ...these new patterns.  Match the address
4913         rather than the containing MEM and require it to be a call_operand.
4914         Use output_call to generate the asm template.
4915         * config/m68k/predicates.md (const_call_operand): New predicate.
4916         (call_operand): Likewise.
4917
4918 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4919
4920         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4921         (STACK_GROWS_DOWNWARD): Define to 1.
4922         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4923         comments, emphasizing that these values are only defaults.
4924         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4925         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4926
4927 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4928
4929         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4930
4931 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4932             Richard Sandiford  <richard@codesourcery.com>
4933
4934         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4935         (FP_REGNO_P): New macros.
4936         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4937         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4938         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4939         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4940
4941 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4942
4943         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4944         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib