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* pa/predicates.md (move_src_operand): Allow zero for mode.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         * pa/predicates.md (move_src_operand): Allow zero for mode.
4         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5         move pattern.
6
7 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
8
9         PR target/30970
10         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
11         *movv2df_internal): Enable pattern only for valid operand
12         combinations.
13         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
14         tie only 128bit modes. For MMX registers, tie only 64bit modes.
15
16 2007-02-27  Mike Stump  <mrs@apple.com>
17
18         * config/darwin-crt3.c: Avoid compilation when compiling for a
19         kext multilib.
20
21 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
22
23         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
24         FIXED_INCLUDE_DIR.
25         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
26         for fixed headers and limits.h.
27         (install-include-dir, install-headers-tar, install-headers-cpio,
28         install-headers-cp, real-install-headers-tar,
29         real-install-headers-cpio, real-install-headers-cp): Handle
30         include-fixed as well as include.
31         (install-mkheaders): Don't install files that go only in include
32         not include-fixed.
33         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
34         from GCC_INCLUDE_DIR.
35         * gcc.c (process_command): Remove special -BstageN/ handling.
36         (do_spec_1): Add include-fixed directories.
37
38 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
39
40         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
41         _smulsi3_highpart.
42         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
43         New functions.
44         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
45         patterns.
46
47 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
48
49         * c-common.c (get_priority): Add check for
50         SUPPORTS_INIT_PRIORITY.
51
52 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
53
54         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
55
56         * config/bfin/bfin.c: Include "cfglayout.h".
57         (MAX_LSETUP_DISTANCE): New macro.
58         (struct loop_info): New members incoming, incoming_src and
59         incoming_dest.  Delete member predecessor.
60         (length_for_loop): New function.
61         (bfin_optimize_loop): Handle more different loop structures.
62         (bfin_discover_loop): Rework detection of predecessor blocks by
63         examining incoming edges.
64         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
65         bfin_reorg_loops.
66         (bfin_reorder_loops): New function.
67         (bfin_reorg_loops): Use these three new functions.
68
69         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
70         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
71         (CONSTRAINT_LEN): Add entry for 'q'.
72         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
73         Add 'q' constraints.
74         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
75         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
76
77         * config/bfin/bfin.md (add_with_carry): New pattern.
78         (s_or_u, su_optab, su_modifier): New code macros/attrs.
79         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
80         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
81         support unsigned multiplies too.  Removed incorrect commutativity from
82         operand 1 constraint where appropriate.
83         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
84         patterns.
85         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
86         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
87         New patterns.
88         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
89         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
90         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
91         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
92         usmulhisi_hh_huh): New patterns.
93
94         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
95         lshifthi3): Fix output template to use half reg for operand 2.
96
97         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
98         instead of R2.
99
100         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
101
102 2007-02-27  Andreas Schwab  <schwab@suse.de>
103
104         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
105
106 2007-02-27  Jan Hubicka  <jh@suse.cz>
107
108         * predict.c (last_basic_block_p): Remove.
109         (tree_estimate_probability): Update return heuristic for commonized
110         return blocks.
111
112 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
113
114         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
115
116 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
117
118         * doc/include/gcc-common.texi (versionsubtitle): New macro.
119         * doc/cpp.texi: Standardize title page.
120         * doc/cppinternals.texi: Likewise.
121         * doc/gcc.texi: Standardize title page, remove version number
122         from copyright page.
123         * doc/gccint.texi: Likewise.
124         * doc/install.texi: Standardize title page, add table of
125         contents.
126
127 2007-02-26  Jan Hubicka  <jh@suse.cz>
128
129         * predict.def: Set outcomes according to more recent results.
130         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
131         Remove dead predictors.
132         * predict.c (return_prediction): Fix pasto.
133
134 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
135
136         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
137         change; avoid a memory leak when returning early.
138         
139 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
140
141         * c-decl.c (static_ctors): Move to c-common.c.
142         (static_dtors): Likewise.
143         (finish_function): Use c_record_cdtor_fn.
144         (build_cdtor): Move to c-common.c.
145         (c_write_global_declarations): Use c_build_cdtor_fns.
146         * c-common.h (static_ctors): Declare.
147         (static_dtors): Likewise.
148         (c_record_cdtor_fn): Likewise.
149         (c_build_cdtor_fns): Likewise.
150         * c-common.c (static_ctors): New variable.
151         (static_dtors): Likewise.
152         (c_record_cdtor_fn): New function.
153         (build_cdtor): Move from c-decl.c
154         (c_build_cdtor_fns): New function.
155
156         * output.h (assemble_addr_to_section): Declare.
157         (get_cdtor_priority_section): Likewise.
158         * varasm.c (assemble_addr_to_section): New function.
159         (get_cdtor_priority_section): Likewise.
160         (default_named_section_asm_out_destructor): Use them.
161         (destor_dtor_section_asm_out_destructor): Likewise.
162         (default_named_section_asm_out_constructor): Likewise.
163         (default_ctor_section_asm_out_constructor): Likewise.
164         * config.gcc (*-*-vxworks*): Include vxworks.o.
165         * config/t-vxworks (vxworks.o): New target.
166         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
167         (TARGET_ASM_CONSTRUCTOR): Define.
168         (TARGET_ASM_DESTRUCTOR): Likewise.
169         (vxworks_asm_out_constructor): Declare.
170         (vxworks_asm_out_destructor): Likewise.
171
172         * c-common.c (get_priority): Check that we have not just an
173         INTEGER_CST, but an integer constant with integeral type.
174
175 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
176
177         PR tree-optimization/30938
178         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
179         use &dt[nargs-1] instead of &dt[nargs] in the call to
180         vect_is_simple_use().
181
182 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
183
184         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
185         from register elimination as PRE_MODIFY / POST_MODIFY increments.
186         Do not attempt to handle MEM inside auto-inc expressions.
187         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
188         of a register modified by an auto-inc expression.  However, do handle
189         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
190         (elimination_effects): Prohibit elimination of a register modified
191         by an auto-inc expression.  Disable register elimination rules whose
192         target register is modified by an auto-inc expression with variable
193         increment.
194
195 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
196
197         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
198         off-by-one error.
199         (array_at_struct_end_p): New function.
200         (idx_infer_loop_bounds): Use it.
201         (estimate_numbers_of_iterations_loop): Export.
202         * predict.c (predict_loops): Use estimated_loop_iterations_int.
203         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
204         (tree_estimate_probability): Call record_loop_exits.
205         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
206         (estimated_loop_iterations, estimated_loop_iterations_int,
207         estimated_loop_iterations_tree): New functions.
208         (analyze_siv_subscript_cst_affine,
209         compute_overlap_steps_for_affine_1_2,
210         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
211         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
212         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
213         (PRED_LOOP_ITERATIONS_GUESSED): New.
214         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
215         * cfgloop.h (estimate_numbers_of_iterations_loop,
216         estimated_loop_iterations_int): Declare.
217
218 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
219
220         * doc/extend.texi: Document optional priority argument to
221         constructors and destructors.
222         * tree.c (init_priority_for_decl): Adjust GTY markers.
223         (init_ttree): Use priority-info hash functions for
224         init_priority_for_decl.
225         (tree_map_eq): Rename to ...
226         (tree_map_base_eq): ... this.
227         (tree_map_marked_p): Rename to ...
228         (tree_map_base_marked_p): ... this.
229         (tree_map_base_hash): New function.
230         (decl_init_priority_lookup): Rework.
231         (decl_fini_priority_lookup): New function.
232         (decl_priority_info): New function.
233         (decl_init_priority_insert): Use it.
234         (decl_fini_priority_insert): Likewise.
235         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
236         hierarchy.
237         (decl_restrict_base_insert): Likewise.
238         (decl_debug_expr_insert): Likewise.
239         (decl_value_expr_lookup): Likewise.
240         (decl_value_expr_insert): Likewise.
241         * tree.h (priority_type): New type.
242         (decl_init_priority_lookup): Use priority_type.
243         (decl_fini_priority_lookup): New function.
244         (decl_init_priority_insert): Use priority_type.
245         (decl_fini_priority_insert): New function.
246         (DECL_HAS_INIT_PRIORITY): Tweak comments.
247         (DECL_INIT_PRIORITY): Likewise.
248         (SET_DECL_INIT_PRIORITY): Add comment.
249         (DECL_FINI_PRIORITY): New macro.
250         (SET_DECL_FINI_PRIORITY): Likewise.
251         (DEFAULT_INIT_PRIORITY): Document.
252         (MAX_INIT_PRIORITY): Likewise.
253         (MAX_RESERVED_INIT_PRIORITY): Likewise.
254         (tree_map_base): New type.
255         (tree_map_base_eq): New function.
256         (tree_map_base_hash): Likewise.
257         (tree_map_base_marked_p): Likewise.
258         (tree_map): Inherit from tree_map_base.
259         (tree_map_eq): Make it a macro.
260         (tree_map_marked_p): Likewise.
261         (tree_int_map): Inherit from tree_map_base.
262         (tree_int_map_eq): Make it a macro.
263         (tree_int_map_hash): Likewise.
264         (tree_int_map_marked_p): Likewise.
265         (tree_priority_map): New type.
266         (tree_priority_map_eq): New macro.
267         (tree_priority_map_hash): Likewise.
268         (tree_priority_map_marked_p): Likewise.
269         * varasm.c (emults_decl): Adjust for refactoring of tree_map
270         hierarchy.
271         (emutls_common_1): Likewise.
272         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
273         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
274         of tree_map hierarchy.
275         * tree-cfg.c (move_stmt_r): Likewise.
276         (new_label_mapper): Likewise.
277         * c-tree.h (c_expand_body): Move to ...
278         * c-common.h (c_expand_body): ... here.
279         * c-decl.c (c_expand_body): Move to ...
280         * c-common.c (c_expand_body): ... here.
281         (c_common_attribute_table): Allow 1 argument for the constructor
282         and destructor attributes.
283         (get_priority): New function.
284         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
285         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
286
287 2007-02-24  Jan Hubicka  <jh@suse.cz>
288
289         PR middle-end/30509
290         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
291
292 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
293             Jan Hubicka  <jh@suse.cz>
294
295         PR target/30778
296         * i386.c (counter_mode): New function.
297         (expand_set_or_movmem_via_loop): Use it.
298         (expand_movmem_epilogue): Likewise; fix pasto.
299         (ix86_expand_movmem): Do emit guard even for constant counts.
300         (ix86_expand_setmem): Likewise.
301
302 2007-02-25  Nick Clifton  <nickc@redhat.com>
303
304         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
305         (JUMP_TABLES_IN_TEXT_SECTION): Define.
306
307 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
308
309         PR target/30770
310         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
311         count argument with 0x10, not with 0x16.
312         (expand_setmem_epilogue): Ditto.
313
314 2007-02-24  Mike Stump  <mrs@apple.com>
315
316         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
317         symbols.
318
319 2007-02-24  Richard Guenther  <rguenther@suse.de>
320
321         PR middle-end/30951
322         * fold-const.c (fold_binary): Fold x +- CST op x for
323         EQ_EXPR and NE_EXPR.
324
325 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
326
327         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
328
329 2007-02-24  Jan Hubicka  <jh@suse.cz>
330
331         * cgraphunit.c (decide_is_function_needed): Honor
332         -fkeep-inline-functions.
333
334 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
335
336         * builtins.c (fold_builtin_modf): New.
337         (fold_builtin_2): Use it.
338
339 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
340
341         * loop-iv.c (implies_p): Detect additional cases where A implies B.
342         (determine_max_iter): Take additional LOOP arg; all callers changed.
343         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
344         one using simplifications.
345         (simplify_using_initial_values): Return if the expression becomes
346         invalid due to altered regs.
347
348 2007-02-23  DJ Delorie  <dj@redhat.com>
349
350         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
351
352 2007-02-23  Mike Stump  <mrs@apple.com>
353
354         * tlink.c (scan_linker_output): Parse linker messages from
355         darwin9's linker better.
356
357 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
358
359         PR debug/29614
360         * varpool.c (varpool_assemble_pending_decls):  Set
361         varpool_last_needed_node to null.
362
363 2007-02-23  DJ Delorie  <dj@redhat.com>
364
365         * config/i386/i386.c (ix86_data_alignment): Don't specify an
366         alignment bigger than the object file can handle.
367
368 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
369
370         PR target/30825
371         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
372         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
373         (*movsf_1): Penalize MMX moves.
374
375 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
376
377         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
378         2^32-1 or more times unless flag_unsafe_loop_optimizations.
379
380         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
381
382 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
383
384         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
385         (fold_builtin_1): Use them.
386         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
387         BUILT_IN_SIGNIFICAND.
388
389 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
390
391         * config/i386/i386.c (bdesc_1arg): Initialize
392         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
393         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
394         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
395         and IX86_BUILTIN_MOVSLDUP.
396
397 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
398
399         PR rtl-optimization/30841
400         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
401
402 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
403
404         * builtins.c (fold_builtin_frexp): New.
405         (fold_builtin_2): Use it.
406
407 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
408
409         * doc/invoke.texi (Spec Files): Document getenv spec function.
410
411         * gcc.c (getenv_spec_function): New function.
412         (static_spec_functions): Add it.
413         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
414         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
415         header files.
416
417 2007-02-22  Michael Matz  <matz@suse.de
418
419         PR c++/29433
420         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
421         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
422
423 2007-02-22  Ian Lance Taylor  <iant@google.com>
424
425         PR debug/30898
426         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
427         (mem_loc_descriptor): Call it.
428
429 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
430             Ira Rosen  <irar@il.ibm.com>
431
432         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
433
434 2007-02-22  Ira Rosen  <irar@il.ibm.com>
435
436         PR tree-optimization/30843
437         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
438         stores only after all the group is vectorized.
439
440 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
441
442         PR tree-optimization/30858
443         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
444         in the reduction cycle have a single use in the loop.
445         * tree-vectorizer.h (relevant): Add documentation.
446
447 2007-02-20  Mike Stump  <mrs@apple.com>
448
449         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
450         * configure: Regenerate.
451
452 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
453
454         Change the defaults of some parameters and options.
455         * config/spu/spu-protos.h (spu_optimization_options): Declare.
456         * config/spu/spu.c (spu_optimization_options): Add.
457         (spu_override_options): Change params in spu_optimization_options.
458         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
459
460         Register 127 is only 16 byte aligned when used as a frame pointer.
461         * config/spu/spu-protos.h (spu_init_expanders): Declare.
462         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
463         HARD_FRAME_POINTER_REGNUM.
464         (spu_legitimate_address):  Use regno_aligned_for_reload.
465         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
466         aligned when frame_pointer_needed is true.
467         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
468         to 8 bits.
469         * config/spu/spu.h (INIT_EXPANDERS): Define.
470
471         Make sure shift and rotate instructions have valid immediate operands.
472         * config/spu/predicates.md (spu_shift_operand): Remove.
473         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
474         * config/spu/constraints.md (W, O): Extend range.
475         * config/spu/spu.md (umask, nmask): Define.
476         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
477         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
478         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
479         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
480         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
481         (lshr<mode>3_reg):  Fix rtl description.
482
483         Make sure mulhisi immediate operands are valid.
484         * config/spu/predicates.md (imm_K_operand): Add.
485         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
486
487         Generate constants using fsmbi and andi.
488         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
489         (print_operand, spu_split_immediate, classify_immediate,
490         fsmbi_const_p): Handle IC_FSMBI2.
491
492         Correctly handle a CONST_VECTOR containing symbols.
493         * config/spu/spu.c (print_operand): Handle HIGH correctly.
494         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
495         (immediate_load_p): Allow symbols that use 2 instructions to create.
496         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
497         with symbols when flag_pic is set.
498         (const_vector_immediate_p): New.
499         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
500         accept a CONST_VECTOR with symbols.
501         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
502         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
503         correctly.
504         * config/spu/spu.md (high, low): Delete.
505         (low_<mode>): Define.
506
507         Remove INTRmode and INTR_REGNUM, which didn't work.
508         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
509         of INTR_REGNUM.
510         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
511         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
512         peephole2 pattern): Don't use INTR or 131.
513         (movintrcc): Delete.
514         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
515         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
516         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
517         (UNSPEC_SET_INTR): Add.
518         * config/spu/spu-modes.def (INTR): Remove.
519
520         More accurate warnings about run-time relocations.
521         * config/spu/spu.c (reloc_diagnostic): Test in_section.
522
523         Correctly warn about immediate arguments to specific intrinsics.
524         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
525         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
526         the instruction predicate.
527
528         Fix tree check errors with latest update.
529         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
530         CALL_EXPR_ARG.
531         (spu_expand_builtin): Use CALL_EXPR_FN.
532
533         Add missing specific intrinsics.
534         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
535         si_bislede.
536         * config/spu/spu_internals.h: Ditto.
537
538         Fix incorrect operand modifiers.
539         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
540         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
541
542         Optimize one case of zero_extend of a vec_select.
543         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
544
545         Accept any immediate for hbr.
546         * config/spu/spu.md (hbr):  Change s constraints to i.
547
548 2007-02-21  Paul Brook  <paul@codesourcery.com>
549
550         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
551         condexec_count when skipping USE and CLOBBER.
552
553 2007-02-21  Nick Clifton  <nickc@redhat.com>
554
555         * common.opt (Warray-bounds): Add Warning attribute.
556         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
557         Likewise.
558         (fsized-zeroes): Add Optimization attribute.
559         (fsplit-wide-types, ftree-scev-cprop): Likewise.
560         * c.opt (Wc++0x-compat): Add Warning attribute.
561
562 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
563
564         PR middle-end/30761
565         * reload1.c (eliminate_regs_in_insn): In the single_set special
566         case, attempt to re-recognize the insn before falling back to
567         having reload fix it up.
568
569 2007-02-20  Eric Christopher  <echristo@gmail.com>
570
571         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
572         Rewrite accordingly.
573         (frv_read_iacc_argument): Ditto.
574         (frv_expand_set_builtin): Take a call instead of arglist, update for
575         above changes.
576         (frv_expand_unop_builtin): Ditto.
577         (frv_expand_binop_builtin): Ditto.
578         (frv_expand_cut_builtin): Ditto.
579         (frv_expand_binopimm_builtin): Ditto.
580         (frv_expand_voidbinop_builtin): Ditto.
581         (frv_expand_int_void2arg): Ditto.
582         (frv_expand_prefetches): Ditto.
583         (frv_expand_voidtriop_builtin): Ditto.
584         (frv_expand_voidaccop_builtin): Ditto.
585         (frv_expand_load_builtin): Ditto.
586         (frv_expand_store_builtin): Ditto.
587         (frv_expand_mdpackh_builtin): Ditto.
588         (frv_expand_mclracc_builtin): Ditto.
589         (frv_expand_mrdacc_builtin): Ditto.
590         (frv_expand_mwtacc_builtin): Ditto.
591         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
592         calls for above.
593
594 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
595
596         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
597         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
598         cmpb instruction.
599         (HAVE_GAS_DFP): Check for assembler support of decimal floating
600         point instructions.
601         * configure: Regenerate.
602         * config.in: Regenerate.
603         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
604         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
605         masks to power6 and power6x and to POWERPC_MASKS.
606         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
607         _ARCH_PWR6.
608         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
609         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
610         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
611         Access PROTOTYPE as variable, not mask.
612
613 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
614
615         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
616         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
617         * combine.c (adjust_for_new_dest): Use it.
618         * postreload.c (reload_combine): Likewise.
619
620 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
621
622         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
623         notes on an insn with multiple sets, even if single_set returns
624         non-NULL for that insn.
625
626 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
627
628         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
629         scalbn and scalbln.
630
631 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
632
633         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
634         if user didn't pass it.
635         * config/i386/darwin.h (CC1_SPEC): Likewise.
636         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
637         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
638         -mmacosx-version-min.
639
640 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
641             Uros Bizjak  <ubizjak@gmail.com>
642
643         * optabs.h (enum optab_index): Add new OTI_scalb.
644         (scalb_optab): Define corresponding macro.
645         * optabs.c (init_optabs): Initialize scalb_optab.
646         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
647         patterns.
648         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
649         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
650         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
651         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
652         flag_unsafe_math_optimizations is set.
653
654         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
655         to implement scalbf, scalb and scalbl built-ins as inline x87
656         intrinsics.
657
658 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
659             DJ Delorie <dj@redhat.com>
660
661         PR other/30824
662         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
663         (diagnostic_report_diagnostic): ... here, and turn them into real
664         errors. If warnings are inhibited, no need to do anything.
665
666 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
667
668         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
669         better code generation.
670
671 2007-02-20  Ben Elliston  <bje@au.ibm.com>
672
673         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
674
675 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
676
677         * config/alpha/alpha.c, config/alpha/alpha.md,
678         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
679         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
680         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
681         config/arm/lib1funcs.asm: Follow spelling conventions.
682
683         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
684         config/fr30/fr30.md, config/i386/i386.h,
685         config/iq2000/iq2000.h, config/iq2000/predicates.md,
686         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
687         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
688         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
689         config/rs6000/altivec.md, config/rs6000/rs6000.c,
690         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
691         config/sparc/sparc.c, config/sparc/sparc.h,
692         config/sparc/sparc.md, config/spu/constraints.md,
693         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
694         conventions.
695
696 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
697
698         PR target/29943
699         * varasm.c (use_blocks_for_decl_p): Return false for decls with
700         alias attribute.
701
702 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
703
704         * doc/invoke.texi (-ftree-lrs): Remove.
705
706 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
707
708         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
709         NULL.
710
711 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
712
713         * config/ia64/ia64.c (ia64_expand_builtin): Use the
714         new CALL_EXPR_FN macro for retrieving the function
715         declaration of the input expression.
716
717 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
718
719         * c.opt (Waddress): New.
720         * common.opt (Walways-true): Delete.
721         (Wstring-literal-comparison): Delete.
722         * doc/invoke.texi (Warning Options): Delete -Walways-true and
723         -Wstring-literal-comparison. Add -Waddress.
724         (Waddress): New.
725         (Walways-true): Delete.
726         (Wstring-literal-comparison): Delete.
727         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
728         consistently instead of -Walways-true in example.
729         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
730         * c-typeck.c (parser_build_binary_op): Replace
731         -Wstring-literal-comparison and -Walways-true with -Waddress.
732         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
733         with -Waddress.
734
735 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
736
737         * tree-cfg.c (dump_function_to_file): Be prepared for functions
738         without DECL_STRUCT_FUNCTION initialized.
739
740 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
741
742         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
743         due to calls to functions taking pointers as parameters.
744
745 2007-02-19  Richard Henderson  <rth@redhat.com>
746
747         PR debug/29558
748         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
749         in memory.
750
751 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
752
753         * config/s390/s390.c (s390_call_saved_register_used,
754         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
755         accessed to the new scheme.
756
757 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
758
759         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
760         (cris_print_index, cris_print_operand, cris_print_operand_address)
761         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
762         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
763         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
764         GET_CODE () == xxx.
765         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
766         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
767         GO_IF_LEGITIMATE_ADDRESS): Ditto.
768         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
769         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
770         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
771         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
772         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
773         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
774         (uminsi3, call, call_value): Ditto.
775         (define_split: indir_to_reg_split, unnamed): Ditto.
776
777 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
778
779         PR tree-optimization/30975
780         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
781         wrong assert.
782
783 2007-02-18  Eric Christopher  <echristo@gmail.com>
784
785         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
786         Remove use of arglist.
787         (mips_expand_builtin): Remove use of arglist, pass in expr.
788         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
789         (mips_expand_builtin_movtf): Ditto.
790         (mips_expand_builtin_compare): Ditto.
791
792 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
793
794         * tree-sra.c (sra_build_assignment): Replace assertion
795         checking with a comment explaining why it can't be done.
796
797 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
798
799         PR middle-end/30833
800         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
801         during CALL_EXPR representation conversion.
802         * tree-ssa-propagate.c (set_rhs): Likewise.
803
804 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
805
806         * tree-sra.c (sra_build_assignment): Disable assertion checking
807         for now.
808
809 2007-02-18  Roger Sayle  <roger@eyesopen.com>
810
811         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
812         instead of calling build2 with a GIMPLE_MODIFY_STMT.
813         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
814         Likewise.
815         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
816         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
817         gimplify_init_ctor_eval_range, gimple_push_cleanup,
818         gimplify_omp_for, gimplify_omp_atomic_pipeline,
819         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
820         force_gimple_operand): Likewise.
821         * ipa-cp.c (constant_val_insert): Likewise.
822         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
823         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
824         perfect_nestify): Likewise.
825         * langhooks.c (lhd_omp_assignment): Likewise.
826         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
827         lower_copyprivate_clauses, lower_send_clauses,
828         lower_send_shared_vars, expand_parallel_call,
829         expand_omp_for_generic, expand_omp_for_static_nochunk,
830         expand_omp_for_static_chunk, expand_omp_sections,
831         lower_omp_single_copy, lower_omp_for_lastprivate,
832         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
833         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
834         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
835         Likewise.
836
837 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
838
839         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
840         config/sh/sh.md: Follow spelling conventions.
841
842         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
843         config/frv/predicates.md: Follow spelling conventions.
844
845         * config/m68k/linux-unwind.h: Fix a comment typo.
846         * target.h: Follow spelling conventions.
847
848 2007-02-18  Roger Sayle  <roger@eyesopen.com>
849
850         PR rtl-optimization/28173
851         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
852         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
853         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
854         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
855         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
856
857 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
858
859         * builtins.c (fold_builtin_load_exponent): New.
860         (fold_builtin_2): Use it.
861
862 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
863
864         PR rtl-optimization/30773
865         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
866         if we fail to attach a REG_EQUIV note.
867
868 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
869             Roger Sayle  <roger@eyesopen.com>
870
871         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
872
873 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
874
875         * calls.c (initialize_argument_information): Pass original EXP
876         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
877         code to split complex arguments here, as part of initializing the
878         ARGS array.
879         (expand_call): Remove code that builds a list of arguments and
880         inserts implicit arguments into it.  Instead, just count how many
881         implicit arguments there will be so we can determine the size of
882         the ARGS array, and let initialize_argument_information do the work.
883         (split_complex_values): Delete unused function.
884
885 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
886
887         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
888
889 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
890
891         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
892         for arg pointer based indexed addressing.
893
894 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
895
896         * config/ia64/ia64.h, config/ia64/ia64.md,
897         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
898         spelling conventions.
899
900 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
901
902         * config/m68k/m68k.c (split_di): New.
903         * config/m68k/m68k-protos.h: Declare split_di.
904         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
905           Improve predicate handling and split constant shifts.
906
907 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
908
909         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
910         parameter for register bitfield operations, general predicates
911         cleanup
912
913 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
914
915         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
916         * config/m68k/linux-unwind.h: New file.
917
918 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
919
920         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
921         config/i386/athlon.md, config/ia64/ia64.md,
922         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
923         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
924         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
925         tree-ssa-loop-niter.c, tree-vect-analyze.c,
926         tree-vect-transform.c: Fix comment typos.
927
928 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
929
930         * sched-deps.c (find_insn_list): Remove.
931         * sched-int.h: Remove the prototype for find_insn_list.
932
933 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
934
935         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
936         to linker.
937         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
938         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
939         darwin_rs6000_override_options.
940         (C_COMMON_OVERRIDE_OPTIONS): Expect
941         darwin_macosx_version_min to be non-NULL always.
942         (TARGET_C99_FUNCTIONS): Likewise.
943         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
944         (DARWIN_MINVERSION_SPEC): New.
945         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
946         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
947         to cc1*.
948         (DARWIN_MINVERSION_SPEC): New.
949         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
950         value.
951         * config/darwin-c.c (darwin_cpp_builtins): Expect
952         darwin_macosx_version_min to be non-NULL always.
953
954         * config/rs6000/rs6000.c: Clean up trailing whitespace.
955
956 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
957
958         * config/i386/i386.h (x86_use_xchgb): New.
959         (TARGET_USE_XCHGB): New macro.
960         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
961         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
962         Split after reload into bswaphi for shifts of 8.
963         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
964         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
965         or when optimizing for size.
966
967 2007-02-16  Richard Guenther  <rguenther@suse.de>
968             Christian Bruel  <christian.bruel@st.com>
969
970         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
971         DECLs but prefer SSA_NAMEs over DECLs.
972
973 2007-02-16  Richard Guenther  <rguenther@suse.de>
974
975         * tree-flow-inline.h (single_imm_use_p): Remove.
976         (zero_imm_uses_p): Likewise.
977         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
978         instead of single_imm_use_p.
979         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
980         zero_imm_uses_p.
981
982 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
983
984         PR other/27843
985         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
986         nested double- and backquotes.
987
988 2007-02-15  Roger Sayle  <roger@eyesopen.com>
989
990         PR middle-end/30391
991         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
992         should be unreachable.
993         (build2_stat): Allow construction of MODIFY_EXPR at any time.
994         For the time being redirect GIMPLE_MODIFY_STMT to the new
995         (renamed) build_gimple_modify_stmt_stat.
996         (build2_gimple_stat): Rename to...
997         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
998         Always build a GIMPLE_MODIFY_STMT node.
999         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1000         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1001         declarations.
1002
1003         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1004         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1005         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1006         expand_complex_div_wide): Likewise.
1007         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1008         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1009         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1010         * tree-ssa-loop-manip.c (create_iv): Likewise.
1011         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1012         abs_replacement): Likewise.
1013         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1014         realify_fake_stores): Likewise.
1015
1016         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1017         node rather than a GIMPLE_MODIFY_STMT node.
1018         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1019         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1020         Likewise.
1021         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1022         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1023         GIMPLE_MODIFY_STMT.
1024
1025 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1026
1027         PR middle-end/30433
1028         * fold-const.c (fold_comparison): Add back the
1029         folding of constant complex comparisions.
1030
1031 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1032
1033         PR middle-end/30729
1034         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1035         effects unknown to this function, return early.
1036
1037 2007-02-15  Ian Lance Taylor  <iant@google.com>
1038
1039         * lower-subreg.c (move_eh_region_note): New static function.
1040         (resolve_simple_move): Call it.
1041         (decompose_multiword_subregs): Track blocks for which we resolve a
1042         simple move which is also a control flow insn.  Pass them to
1043         find_many_sub_basic_blocks.
1044         (pass_lower_subreg): Add TODO_verify_flow.
1045         (pass_lower_subreg2): Likewise.
1046
1047 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1048             Brooks Moses  <brooks.moses@codesourcery.com>
1049             Lee Millward  <lee.millward@codesourcery.com>
1050
1051         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1052         (VL_EXP_CLASS_P): New.
1053         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1054         TREE_CODE_LENGTH.
1055         (TREE_OPERAND_CHECK_CODE): Likewise.
1056         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1057         (TREE_RTL_OPERAND_CHECK): Likewise.
1058         (tree_operand_check_failed): Make second parameter the whole tree
1059         instead of its code.  Fixed callers.
1060         (VL_EXP_CHECK): New.
1061         (TREE_OPERAND_LENGTH): New.
1062         (VL_EXP_OPERAND_LENGTH): New.
1063         (CALL_EXPR_FN): New.
1064         (CALL_EXPR_STATIC_CHAIN): New.
1065         (CALL_EXPR_ARGS): New.
1066         (CALL_EXPR_ARG): New.
1067         (call_expr_nargs): New.
1068         (CALL_EXPR_ARGP): New.
1069         (build_nt_call_list): Declare.
1070         (build_vl_exp_stat): Declare.
1071         (build_vl_exp): New.
1072         (build_call_list): Declare.
1073         (build_call_nary): Declare.
1074         (build_call_valist): Declare.
1075         (build_call_array): Declare.
1076         (call_expr_arg): Declare.
1077         (call_expr_argp): Declare.
1078         (call_expr_arglist): Declare.
1079         (fold_build_call_list): Declare.
1080         (fold_build_call_list_initializer): Declare.
1081         (fold_call_expr): Declare to replace fold_builtin.
1082         (fold_builtin_fputs): Update to agree with modified definition.
1083         (fold_builtin_strcpy): Likewise.
1084         (fold_builtin_strncpy): Likewise.
1085         (fold_builtin_memory_chk): Likewise.
1086         (fold_builtin_stxcpy_chk): Likewise.
1087         (fold_builtin_strncpy_chk): Likewise.
1088         (fold_builtin_next_arg): Likewise.
1089         (fold_build_call_expr): Declare.
1090         (fold_builtin_call_list): Declare.
1091         (fold_builtin_call_valist): Declare.
1092         (build_call_expr): Declare.
1093         (validate_arglist): Update to agree with modified definition.
1094         (tree_operand_length): New.
1095         (call_expr_arg_iterator): New.
1096         (init_call_expr_arg_iterator): New.
1097         (next_call_expr_arg): New.
1098         (first_call_expr_arg): New.
1099         (more_call_expr_args_p): New.
1100         (FOR_EACH_CALL_EXPR_ARG): New.
1101
1102         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1103         and tcc_gimple_stmt.
1104         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1105         than sizeof (char *).
1106         (tree_size): Likewise.  Add case for tcc_vl_exp.
1107         (tree_node_structure): Add case for tcc_vl_exp.
1108         (contains_placeholder_p): Likewise.
1109         (substitute_in_expr): Likewise.
1110         (substitute_placeholder_in_expr): Likewise.
1111         (stabilize_reference_1): Likewise.
1112         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1113         to diagnose breakage of this interface for constructing CALL_EXPRs.
1114         (build_nt): Add similar assertion here.
1115         (build_nt_call_list): New.
1116         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1117         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1118         TREE_CODE_LENGTH.
1119         (get_callee_fndecl): Use new CALL_EXPR accessors.
1120         (tree_operand_check_failed): Change parameters to pass entire node
1121         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1122         (process_call_operands): New.
1123         (build_vl_exp_stat): New.
1124         (build_call_list): New.
1125         (build_call_nary): New.
1126         (build_call_valist): New.
1127         (build_call_array): New.
1128         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1129         (call_expr_arglist): New.
1130
1131         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1132         tcc_vl_exp instead of a fixed-size tcc_expression.
1133
1134         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1135         accessors for CALL_EXPRs.
1136         (AGGR_INIT_EXPR): Likewise.
1137
1138 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1139             Brooks Moses  <brooks.moses@codesourcery.com>
1140             Lee Millward  <lee.millward@codesourcery.com>
1141
1142         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1143         (expand_builtin_nonlocal_goto): Change parameter to be entire
1144         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1145         (expand_builtin_prefetch): Likewise.
1146         (expand_builtin_classify_type): Likewise.
1147         (mathfn_built_in): Return NULL_TREE instead of 0.
1148         (expand_errno_check): Use new CALL_EXPR accessors.
1149         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1150         Return NULL_RTX instead of 0.
1151         (expand_builtin_mathfn_2): Likewise.
1152         (expand_builtin_mathfn_3): Likewise.
1153         (expand_builtin_interclass_mathfn): Likewise.
1154         (expand_builtin_sincos): Likewise.
1155         (expand_builtin_cexpi): Likewise.
1156         (expand_builtin_int_roundingfn): Likewise.
1157         (expand_builtin_int_roundingfn_2): Likewise.
1158         (expand_builtin_pow): Likewise.
1159         (expand_builtin_powi): Likewise.
1160         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1161         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1162         accessors and constructors.  Return NULL_RTX instead of 0.
1163         (expand_builtin_strstr): Likewise.
1164         (expand_builtin_strchr): Likewise.
1165         (expand_builtin_strrchr): Likewise.
1166         (expand_builtin_strpbrk): Likewise.
1167         (expand_builtin_memcpy): Likewise.
1168         (expand_builtin_mempcpy): Likewise.
1169         (expand_builtin_mempcpy_args): New.
1170         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1171         (expand_builtin_memmove_args): New.
1172         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1173         (expand_movstr): Likewise.
1174         (expand_builtin_strcpy): Likewise.
1175         (expand_builtin_strcpy_args): New.
1176         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1177         (expand_builtin_strncpy): Likewise.
1178         (expand_builtin_memset): Likewise.
1179         (expand_builtin_memset_args): New.
1180         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1181         (expand_builtin_memcmp): Likewise.
1182         (expand_builtin_strcmp): Likewise.
1183         (expand_builtin_strncmp): Likewise.
1184         (expand_builtin_strcat): Likewise.
1185         (expand_builtin_strncat): Likewise.
1186         (expand_builtin_strspn): Likewise.
1187         (expand_builtin_strcspn): Likewise.
1188         (expand_builtin_args_info): Likewise.
1189         (expand_builtin_va_start): Likewise.
1190         (gimplify_va_arg_expr): Likewise.
1191         (expand_builtin_va_end): Likewise.
1192         (expand_builtin_va_copy): Likewise.
1193         (expand_builtin_frame_address): Likewise.
1194         (expand_builtin_alloca): Likewise.
1195         (expand_builtin_bswap): Likewise.
1196         (expand_builtin_unop): Likewise.
1197         (expand_builtin_fputs): Likewise.
1198         (expand_builtin_expect): Likewise.
1199         (expand_builtin_fabs): Likewise.
1200         (expand_builtin_copysign): Likewise.
1201         (expand_builtin_printf): Likewise.
1202         (expand_builtin_fprintf): Likewise.
1203         (expand_builtin_sprintf): Likewise.
1204         (expand_builtin_init_trampoline): Likewise.
1205         (expand_builtin_signbit): Likewise.
1206         (expand_builtin_fork_or_exec): Likewise.
1207         (expand_builtin_sync_operation): Likewise.
1208         (expand_builtin_compare_and_swap): Likewise.
1209         (expand_builtin_lock_test_and_set): Likewise.
1210         (expand_builtin_lock_release): Likewise.
1211         (expand_builtin): Likewise.
1212         (builtin_mathfn_code): Likewise.
1213
1214         (fold_builtin_constant_p): Pass call arguments individually instead
1215         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1216         accessors and constructors.  Return NULL_TREE instead of 0.
1217         (fold_builtin_expect): Likewise.
1218         (fold_builtin_classify_type): Likewise.
1219         (fold_builtin_strlen): Likewise.
1220         (fold_builtin_nan): Likewise.
1221         (integer_valued_real_p): Likewise.
1222         (fold_trunc_transparent_mathfn): Likewise.
1223         (fold_fixed_mathfn): Likewise.
1224         (fold_builtin_cabs): Likewise.
1225         (fold_builtin_sqrt): Likewise.
1226         (fold_builtin_cbrt): Likewise.
1227         (fold_builtin_cos): Likewise.
1228         (fold_builtin_cosh): Likewise.
1229         (fold_builtin_tan): Likewise.
1230         (fold_builtin_sincos): Likewise.
1231         (fold_builtin_cexp): Likewise.
1232         (fold_builtin_trunc): Likewise.
1233         (fold_builtin_floor): Likewise.
1234         (fold_builtin_ceil): Likewise.
1235         (fold_builtin_round): Likewise.
1236         (fold_builtin_int_roundingfn): Likewise.
1237         (fold_builtin_bitop): Likewise.
1238         (fold_builtin_bswap): Likewise.
1239         (fold_builtin_logarithm): Likewise.
1240         (fold_builtin_hypot): Likewise.
1241         (fold_builtin_pow): Likewise.
1242         (fold_builtin_powi): Likewise.
1243         (fold_builtin_exponent): Likewise.
1244         (fold_builtin_memset): Likewise.
1245         (fold_builtin_bzero): Likewise.
1246         (fold_builtin_memory_op): Likewise.
1247         (fold_builtin_bcopy): Deleted; call site changed to invoke
1248         fold_builtin_memory_op directly.
1249         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1250         (fold_builtin_strncpy): Likewise.
1251         (fold_builtin_memcmp): Likewise.
1252         (fold_builtin_strcmp): Likewise.
1253         (fold_builtin_strncmp): Likewise.
1254         (fold_builtin_signbit): Likewise.
1255         (fold_builtin_copysign): Likewise.
1256         (fold_builtin_isascii): Likewise.
1257         (fold_builtin_toascii): Likewise.
1258         (fold_builtin_isdigit): Likewise.
1259         (fold_builtin_fabs): Likewise.
1260         (fold_builtin_abs): Likewise.
1261         (fold_builtin_fmin_fmax): Likewise.
1262         (fold_builtin_carg): Likewise.
1263         (fold_builtin_classify): Likewise.
1264         (fold_builtin_unordered_cmp): Likewise.
1265
1266         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1267         New functions split out from fold_builtin_1.
1268         (fold_builtin_n): New.
1269         (fold_builtin_varargs): New.
1270         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1271         instead.
1272         (fold_call_expr): New.
1273         (build_function_call_expr): Rewrite to use new helper function.
1274         (fold_builtin_call_list): New.
1275         (build_call_expr): New.
1276         (fold_builtin_call_valist): New.
1277         (rewrite_call_expr): New.
1278         (validate_arg): New.
1279         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1280         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1281         accessors.
1282
1283         (fold_builtin_strstr):  Pass call arguments individually instead
1284         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1285         accessors and constructors.  Return NULL_TREE instead of 0.
1286         (fold_builtin_strchr): Likewise.
1287         (fold_builtin_strrchr): Likewise.
1288         (fold_builtin_strpbrk): Likewise.
1289         (fold_builtin_strcat): Likewise.
1290         (fold_builtin_strncat): Likewise.
1291         (fold_builtin_strspn): Likewise.
1292         (fold_builtin_strcspn): Likewise.
1293         (fold_builtin_fputs): Likewise.
1294         (fold_builtin_next_arg): Likewise.
1295         (fold_builtin_sprintf): Likewise.
1296
1297         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1298         NULL_RTX instead of 0.
1299         (expand_builtin_memory_chk): Likewise.
1300         (maybe_emit_chk_warning): Likewise.
1301         (maybe_emit_sprintf_chk_warning): Likewise.
1302
1303         (fold_builtin_object_size): Pass call arguments individually instead
1304         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1305         accessors and constructors.  Return NULL_TREE instead of 0.
1306         (fold_builtin_memory_chk): Likewise.
1307         (fold_builtin_stxcpy_chk): Likewise.
1308         (fold_builtin_strncpy_chk): Likewise.
1309         (fold_builtin_strcat_chk): Likewise.
1310         (fold_builtin_strcat_chk): Likewise.
1311         (fold_builtin_strncat_chk): Likewise.
1312         (fold_builtin_sprintf_chk): Likewise.
1313         (fold_builtin_snprintf_chk): Likewise.
1314         (fold_builtin_printf): Likewise.
1315         (fold_builtin_vprintf): Likewise.
1316
1317         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1318         constructors.
1319         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1320         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1321         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1322         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1323         (fold_unary): Likewise.
1324         (fold_binary): Likewise.
1325         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1326         ternary expressions.
1327         (fold): Add logic for tcc_vl_exp.
1328         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1329         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1330         (fold_build3_stat): Add assertion to flag broken interface for
1331         constructing CALL_EXPRs.
1332         (fold_build_call_list): New.
1333         (fold_build_call_list_initializer): New.
1334         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1335         constructors.
1336         (fold_strip_sign_ops): Likewise.
1337
1338 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1339             Brooks Moses  <brooks.moses@codesourcery.com>
1340             Lee Millward  <lee.millward@codesourcery.com>
1341
1342         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1343         accessors and dump arguments explicitly.
1344
1345         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1346         TREE_CODE_LENGTH.
1347         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1348         explicitly.
1349         (print_call_name): Use new CALL_EXPR accessors.
1350
1351         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1352         CALL_EXPR arguments explicitly instead of as a list.  Use
1353         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1354
1355         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1356         (vrp_visit_stmt): Likewise.
1357
1358         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1359         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1360         TREE_CODE_LENGTH.
1361         (force_move_till_expr): Likewise.
1362
1363         * targhooks.c (default_external_stack_protect_fail): Use
1364         build_call_expr instead of build_function_call_expr.
1365         (default_hidden_stack_protect_fail): Likewise.
1366
1367         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1368         build the call.
1369
1370         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1371         and walk arguments explicitly.
1372
1373         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1374         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1375         (expand_simple_operations): Likewise.
1376         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1377
1378         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1379         of TREE_CODE_LENGTH.
1380         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1381
1382         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1383         instead of TREE_CODE_LENGTH.
1384
1385         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1386         (tree_ic_transform): Likewise.
1387         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1388         parameter instead of arglist.  Fix callers.
1389         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1390         (tree_stringops_transform): Likewise.
1391         (tree_indirect_call_to_profile): Likewise.
1392         (tree_stringops_values_to_profile): Likewise.
1393
1394         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1395         (eliminate_tail_call): Likewise.
1396
1397         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1398
1399         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1400         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1401         operands.
1402         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1403
1404         * omp-low.c (build_omp_barrier): Use build_call_expr.
1405         (lower_rec_input_clauses): Likewise.
1406         (lower_reduction_clauses): Likewise.
1407         (expand_parallel_call): Likewise.
1408         (maybe_catch_exception): Likewise.
1409         (expand_omp_for_generic): Likewise.
1410         (expand_omp_for_static_nochunk): Likewise.
1411         (expand_omp_sections): Likewise.
1412         (lower_omp_single_simple): Likewise.
1413         (lower_omp_single_copy): Likewise.
1414         (lower_omp_master): Likewise.
1415         (lower_omp_ordered): Likewise.
1416         (lower_omp_critical): Likewise.
1417
1418         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1419         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1420
1421         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1422         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1423         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1424
1425         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1426         and generalize to handle any number of operands.
1427         (chrec_contains_undetermined): Likewise.
1428         (tree_contains_chrecs): Likewise.
1429         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1430
1431         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1432
1433         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1434         fold_call_expr instead of fold_builtin.
1435         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1436         match declarations there.
1437         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1438         updates.
1439
1440         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1441         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1442
1443         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1444         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1445
1446         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1447         accessors.
1448
1449         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1450         (execute_cse_sincos): Use new CALL_EXPR accessors.
1451
1452         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1453
1454         * gimple-low.c (lower_function_body): Use build_call_expr.
1455         (lower_builtin_setjmp): Likewise.
1456
1457         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1458         (set_storage_via_libcall): Likewise.
1459         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1460         instead of TREE_CODE_LENGTH.
1461         (expand_expr_real_1): Use new CALL_EXPR accessors.
1462
1463         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1464         generalize to handle any number of operands.
1465         (TB_parent_eq): Likewise.
1466
1467         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1468         (strip_builtin_expect): Likewise.
1469
1470         * function.c (gimplify_parameters): Use build_call_expr.
1471
1472         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1473         instead of TREE_CODE_LENGTH.
1474
1475         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1476         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1477
1478         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1479         iterators.
1480
1481         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1482         (gimplify_decl_expr): Likewise.
1483         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1484         Use new CALL_EXPR iterators.
1485         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1486         (gimplify_modify_expr_to_memset): Likewise.
1487         (gimplify_variable_sized_compare): Likewise.
1488         (gimplify_omp_atomic_fetch_op): Likewise.
1489         (gimplify_omp_atomic_pipeline): Likewise.
1490         (gimplify_omp_atomic_mutex): Likewise.
1491         (gimplify_function_tree): Likewise.
1492
1493         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1494         (call_expr_flags): Likewise.
1495         (expand_call): Likewise.
1496
1497         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1498         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1499         accessors.
1500
1501         * coverage.c (create_coverage): Use build_call_expr.
1502
1503         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1504         (temp_call_expr_obstack): New.
1505         (pool_copy_list): Delete.
1506         (temp_copy_call_expr): New.
1507         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1508         CALL_EXPR accessors.  Get rid of special goo for copying argument
1509         lists and use temp_copy_call_expr instead.
1510         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1511         CALL_EXPR accessors.
1512         (create_expression_by_pieces): Likewise.  Use build_call_array
1513         to construct the result instead of fold_build3.
1514         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1515         dealing with argument lists.
1516         (init_pre): Remove references to expression_node_pool and
1517         list_node_pool.  Init temp_call_expr_obstack instead.
1518         (fini_pre): Remove references to expression_node_pool and
1519         list_node_pool.
1520
1521         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1522         and walk arguments explicitly instead of as a list.
1523
1524         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1525         (mx_register_decls): Likewise.
1526         (mudflap_register_call): Likewise.
1527         (mudflap_finish_file): Likewise.
1528
1529         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1530         (ipa_callsite_compute_param): Likewise.
1531
1532         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1533         accessors and constructor.
1534
1535         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1536         accessors and constructor.
1537         (convert_tramp_reference): Likewise.
1538         (convert_call_expr): Likewise.
1539         (finalize_nesting_tree_1): Likewise.
1540
1541         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1542         accessors.
1543
1544         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1545
1546         * tree-inline.c (initialize_inlined_parameters): Pass entire
1547         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1548         accessors.
1549         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1550         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1551
1552         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1553         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1554         (vectorizable_reduction): Likewise.
1555         (vectorizable_call): Use new CALL_EXPR iterators.
1556         (vectorizable_conversion): Use build_call_expr.
1557         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1558         (vect_gen_widened_results_half): Use build_call_expr.
1559         (vect_setup_realignment): Likewise.
1560         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1561
1562         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1563         (pass_through_call): Likewise.
1564         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1565         fold_builtin.
1566
1567         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1568         (tree_gen_pow2_profiler): Likewise.
1569         (tree_gen_one_value_profiler): Likewise.
1570         (tree_gen_ic_func_profiler): Likewise.
1571         (tree_gen_average_profiler): Likewise.
1572         (tree_gen_ior_profiler): Likewise.
1573
1574         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1575         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1576         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1577
1578         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1579         of TREE_CODE_LENGTH.
1580
1581         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1582         of TREE_CODE_LENGTH.
1583
1584         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1585         constructor.
1586         (convert_to_integer): Likewise.
1587
1588         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1589         accessors.
1590
1591 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1592             Brooks Moses  <brooks.moses@codesourcery.com>
1593             Lee Millward  <lee.millward@codesourcery.com>
1594
1595         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1596         accessors.
1597         * config/frv/frv.c (frv_expand_builtin): Likewise.
1598         * config/s390/s390.c (s390_expand_builtin): Likewise.
1599
1600         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1601         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1602
1603         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1604         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1605         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1606         (ix86_expand_store_builtin): Likewise.
1607         (ix86_expand_unop_builtin): Likewise.
1608         (ix86_expand_unop1_builtin): Likewise.
1609         (ix86_expand_sse_compare): Likewise.
1610         (ix86_expand_sse_comi): Likewise.
1611         (ix86_expand_vec_init_builtin): Likewise.
1612         (ix86_expand_vec_ext_builtin): Likewise.
1613         (ix86_expand_vec_set_builtin): Likewise.
1614         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1615
1616         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1617         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1618
1619         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1620         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1621         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1622
1623         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1624         build_call_expr.
1625         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1626         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1627         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1628         (altivec_expand_abs_builtin): Likewise.
1629         (rs6000_expand_binop_builtin): Likewise.
1630         (altivec_expand_predicate_builtin): Likewise.
1631         (altivec_expand_lv_builtin): Likewise.
1632         (spe_expand_stv_builtin): Likewise.
1633         (altivec_expand_stv_builtin): Likewise.
1634         (rs6000_expand_ternop_builtin): Likewise.
1635         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1636         (altivec_expand_st_builtin): Likewise.
1637         (altivec_expand_dst_builtin): Likewise.
1638         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1639         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1640         (altivec_expand_vec_set_builtin): Likewise.
1641         (altivec_expand_vec_ext_builtin): Likewise.
1642         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1643         (spe_expand_builtin): Likewise.
1644         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1645         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1646         (spe_expand_evsel_builtin): Likewise.
1647         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1648         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1649
1650         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1651         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1652         (arm_expand_unop_builtin): Likewise.
1653         (arm_expand_builtin): Use new CALL_EXPR accessors.
1654
1655         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1656         accessors.
1657
1658         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1659         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1660         (bfin_expand_unop_builtin): Likewise.
1661         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1662
1663 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1664             Brooks Moses  <brooks.moses@codesourcery.com>
1665             Lee Millward  <lee.millward@codesourcery.com>
1666
1667         * c-semantics.c (build_stmt): Add internal diagnostic check.
1668
1669         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1670         accessors.  Print arguments explicitly instead of as a list.
1671
1672         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1673
1674         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1675         (c_finish_omp_flish): Likewise.
1676
1677         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1678         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1679         instead of TREE_CODE_LENGTH.
1680         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1681         (c_warn_unused_result): Likewise.
1682
1683 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1684
1685         PR c/26494
1686         * doc/invoke.texi (Warning Options): Remove
1687         -Werror-implicit-function-declaration.
1688         (Wimplicit-function-declaration): Update description.
1689         * opts.c (common_handle_option): Move handling of -Werror=* to...
1690         (enable_warning_as_error): ...here.
1691         * opts.h (enable_warning_as_error): Declare.
1692         * c-decl.c (implicit_decl_warning): Unless
1693         -Wno-implicit-function-declaration is given, emit a pedwarn if
1694         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1695         * c.opt (Wimplicit-function-declaration): Replace
1696         mesg_implicit_function_declaration with
1697         warn_implicit_function_declaration.
1698         * c-opts.c (c_common_handle_option):
1699         -Werror-implicit-function-declaration is exactly equal as
1700         -Werror=implicit-function-declaration.
1701         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1702         warn_implicit_function_declaration.
1703         (c_common_post_options): -Wimplict-function-declaration is enabled
1704         by default by -std=c99, otherwise is disabled by default.
1705         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1706
1707 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1708
1709         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1710         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1711         former is ignored but not the latter.
1712
1713 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1714
1715         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1716         is made and the reference doesn't use the alias set of its type,
1717         do not create the temporary using that type.
1718
1719 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1720
1721         * jump.c: Remove prototypes for delete_computation and
1722         delete_prior_computation.
1723
1724 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1725
1726         * jump.c (get_label_after): Delete.
1727         (get_label_before, delete_computation, delete_jump,
1728         delete_prior_computation, follow_jumps): Move...
1729         * reorg.c (delete_computation, delete_prior_computation): ... here...
1730         (get_label_before, delete_jump): ... making these static ...
1731         (follow_jumps): ... and simplifying this since it only runs after
1732         reload.
1733         * rtl.h (get_label_after, get_label_before, delete_jump,
1734         follow_jumps): Delete prototypes.
1735
1736 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1737
1738         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1739
1740 2007-02-15  Nick Clifton  <nickc@redhat.com>
1741
1742         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1743         order to prevent it from being munged by the target.
1744
1745 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1746
1747         * config/i386/i386.md: Remove misleading comment.
1748
1749 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1750
1751         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1752         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1753         invalid patterns.
1754
1755 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1756
1757         * tree-sra.c (instantiate_missing_elements): Canonicalize
1758         bit-field types.
1759         (sra_build_assignment): New.
1760         (generate_copy_inout, generate_element_copy,
1761         generate_element_zero, generate_one_element_init): Use it.
1762
1763 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1764
1765         * tree-sra.c (instantiate_missing_elements): Canonicalize
1766         bit-field types.
1767         (sra_build_assignment): New.
1768         (generate_copy_inout, generate_element_copy,
1769         generate_element_zero, generate_one_element_init): Use it.
1770
1771 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1772
1773         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1774         limbo die nodes.
1775
1776 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1777
1778         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1779         types as aggregates not scalars.
1780         * function.c (assign_stack_temp_for_type): Likewise.
1781
1782 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1783             Zdenek Dvorak  <dvorakz@suse.cz>
1784
1785         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1786         name.
1787
1788 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1789
1790         * passes.c (next_pass_1): Clear the next field of the copied
1791         pass structure.
1792
1793 2007-02-14  Richard Henderson  <rth@redhat.com>
1794
1795         * tree-sra.c (early_sra): New.
1796         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1797         (tree_sra_early, pass_sra_early): New.
1798         * tree-pass.h (pass_sra_early): Declare.
1799         * passes.c (init_optimization_passes): Use it.
1800
1801 2007-02-14  Richard Guenther  <rguenther@suse.de>
1802
1803         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1804
1805 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1806
1807          PR tree-optimization/30771
1808         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1809         also phi nodes.
1810         (vect_analyze_operations): Induction phis can now be marked as
1811         used_in_loop.
1812         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1813         Update documentation accordingly.
1814
1815 2007-02-14  Nick Clifton  <nickc@redhat.com>
1816
1817         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1818         most 3 arguments are supported.
1819         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1820
1821 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1822
1823         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1824         Ensure dst->current is valid.
1825
1826 2007-02-13  Paul Brook  <paul@codesourcery.com>
1827
1828         * config.gcc: Add arm*-*-uclinux-*eabi.
1829         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1830         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1831         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1832         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1833         (LINK_SPEC): Define.
1834         (LIB_SPEC): Define.
1835         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1836         register.
1837         * config/arm/uclinux-eabi.h: New file.
1838         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1839         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1840         based targets.
1841
1842 2007-02-13  Ian Lance Taylor  <iant@google.com>
1843
1844         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1845         * flags.h (warn_strict_overflow): Declare.
1846         (enum warn_strict_overflow_code): Define.
1847         (issue_strict_overflow_warning): New static inline function.
1848         * opts.c (warn_strict_overflow): New variable.
1849         (common_handle_option): Handle OPT_Wstrict_overflow and
1850         OPT_Wstrict_overflow_.
1851         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1852         OPT_Wall.
1853         * fold-const.c: Include intl.h.
1854         (fold_deferring_overflow_warnings): New static variable.
1855         (fold_deferred_overflow_warning): New static variable.
1856         (fold_deferred_overflow_code): New static variable.
1857         (fold_defer_overflow_warnings): New function.
1858         (fold_undefer_overflow_warnings): New function.
1859         (fold_undefer_and_ignore_overflow_warnings): New function.
1860         (fold_deferring_overflow_warnings_p): New function.
1861         (fold_overflow_warning): New static function.
1862         (make_range): Add strict_overflow_p parameter.  Change all
1863         callers.
1864         (extract_muldiv, extract_muldiv_1): Likewise.
1865         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1866         tree_expr_nonnegative_p.
1867         (fold_negate_expr): Call fold_overflow_warning.
1868         (fold_range_test): Likewise.
1869         (fold_comparison): Likewise.
1870         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1871         instead of tree_expr_nonnegative_p.
1872         (tree_expr_nonnegative_warnv_p): Rename from
1873         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1874         (tree_expr_nonnegative_p): New function.
1875         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1876         strict_overflow_p parameter.
1877         (tree_expr_nonzero_p): New function.
1878         * passes.c (verify_interpass_invariants): New static function.
1879         (execute_one_pass): Call it.
1880         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1881         warnings.
1882         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1883         (estimate_numbers_of_iterations): Likewise.
1884         (scev_probably_wraps_p): Likewise.
1885         * tree-ssa-ccp.c: Include "toplev.h".
1886         (evaluate_stmt): Defer fold overflow warnings until we know we are
1887         going to optimize.
1888         (struct fold_stmt_r_data): Add stmt field.
1889         (fold_stmt_r): Defer fold overflow warnings until we know we
1890         optimized.
1891         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1892         (fold_stmt_inplace): Likewise.
1893         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1894         (cleanup_control_expr_graph): Defer fold overflow warnings until
1895         we know we are going to optimize.
1896         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1897         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1898         Likewise.
1899         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1900         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1901         * tree-ssa-loop-manip.c (create_iv): Likewise.
1902         * c-typeck.c (build_conditional_expr): Likewise.
1903         (build_binary_op): Likewise.
1904         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1905         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1906         (extract_range_from_unary_expr): Likewise.
1907         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1908         assuming that signed overflow does not occur.
1909         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1910         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1911         (fold_defer_overflow_warnings): Declare.
1912         (fold_undefer_overflow_warnings): Declare.
1913         (fold_undefer_and_ignore_overflow_warnings): Declare.
1914         (fold_deferring_overflow_warnings_p): Declare.
1915         (tree_expr_nonzero_warnv_p): Declare.
1916         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1917         of warning options.
1918         (Warning Options): Document -Wstrict-overflow.
1919         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1920         (tree-ssa-ccp.o): Likewise.
1921         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1922         (fold-const.o): Depend on intl.h.
1923
1924 2007-02-13  Ian Lance Taylor  <iant@google.com>
1925
1926         PR middle-end/30751
1927         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1928         addresses.
1929
1930 2007-02-13  Stuart Hastings  <stuart@apple.com>
1931
1932         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1933
1934 2007-02-13  Richard Henderson  <rth@redhat.com>
1935
1936         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1937         handled_component_p before looking for the indirect_ref.
1938
1939 2007-02-13  Richard Henderson  <rth@redhat.com>
1940
1941         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1942         remove flags clobber.
1943         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1944         (bswaphi_lowpart): New.
1945         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1946         remove TARGET_BSWAP test.  Delete expander of the same name.
1947
1948         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1949         (expand_unop): Use them.
1950
1951 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1952
1953         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1954         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1955         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1956         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1957         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1958         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1959         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1960         assembler dialect choice from asm templates.
1961
1962 2007-02-12  Richard Henderson  <rth@redhat.com>
1963
1964         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1965         (fixuns_trunc<SSEMODEF>si2): Use it.
1966         * config/i386/sse.md (vec_setv4sf_0): Export.
1967         * config/i386/i386.c (ix86_build_const_vector): Export.
1968         (ix86_split_convert_uns_si_sse): Rename from
1969         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1970         * config/i386/i386-protos.h: Update.
1971
1972 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1973
1974         PR c/29521
1975         * c-typeck.c (c_finish_return): Improve warning message.
1976
1977 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1978
1979         * alias.c (find_symbolic_term): Delete unused function.
1980
1981 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1982
1983         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1984         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1985         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1986
1987 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1988
1989         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1990         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1991         the function, temporarily point the debug interface to the null one.
1992
1993 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1994
1995         * dwarf2out.c (round_up_to_align): New static function.
1996         (field_byte_offset): Use it to round the offset.
1997
1998 2007-02-12  Richard Henderson  <rth@redhat.com>
1999
2000         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2001         (inswl_const): Export.
2002
2003 2007-02-12  Richard Henderson  <rth@redhat.com>
2004
2005         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2006         result mode of the libcall, convert back to outmode.
2007
2008 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2009
2010         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2011         (bswapdi2): New define_expand to implement 32-bit implementation.
2012
2013 2007-02-12  Nick Clifton  <nickc@redhat.com>
2014
2015         * doc/invoke.texi (Overall Options): Document --help=.
2016         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2017         (cc1_options): Pass --help= on to cc1.
2018         (display_help): Add description of --help=.
2019         (process_command): Add code to handle --help=.  Allow translated
2020         --help and --target-help switches to be passed on to compiler
2021         sub-process.
2022         (main): Remove unused if statement.
2023         * opts.c (columns): Remove.
2024         (LEFT_COLUMN): Define.
2025         (wrap_help): Add columns argument.
2026         (print_filtered_help): Change parameters to be an include bitmask,
2027         an exclude bitmask, an any bitmask and the column width.  Move the
2028         code to display the params list here.  Add code to display the
2029         status of options rather than their descriptions if the quiet flag
2030         is not active.
2031         (print_specific_help): Change parameters to be an include bitmask,
2032         an exclude bitmask and an any bitmask.  Move code to look up the
2033         column width here.  Decide upon the title for an options listing.
2034         (common_handle_options): Add code to handle --help=.  Adapt code
2035         for --help and --target-help to use the revised form of the
2036         print_specific_help function.
2037         (print_help): Delete.
2038         (print_param_help): Delete.
2039         (print_switch): Delete.
2040         * opts.h (cl_lang_count): Add prototype.
2041         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2042         CL_MAX_OPTION_CLASS): New defines.
2043         * optc-gen.awk: Add construction of cl_lang_count.
2044         * c.opt: Add Warning attribute to warning options and Optimization
2045         attribute to optimization options.
2046         * common.opt: Likewise.
2047         Add --help=.
2048         Add -fhelp and -ftarget-help as aliases for the transformed --help
2049         and --target-help options.
2050         * opt-functions.awk: Add code to handle Warning and Optimization
2051         attributes.
2052
2053 2007-02-12  Richard Henderson  <rth@redhat.com>
2054
2055         * config/alpha/constraints.md: New file.
2056         * config/alpha/alpha.c: Include tm-constrs.h.
2057         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2058         alpha_extra_constraint): Remove.
2059         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2060         * config/alpha/alpha-protos.h: Update.
2061         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2062         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2063         (EXTRA_CONSTRAINT): Remove.
2064         * config/alpha/alpha.md: Include constraints.md.
2065         (adddi splitter): Use satisfies_constraint_*.
2066         * config/alpha/predicates.md (add_operand): Likewise.
2067         (sext_add_operand, addition_operation): Likewise.
2068
2069 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2070
2071         PR tree-optimization/29145
2072         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2073         in our handling of restrict qualified pointers.
2074
2075 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2076
2077         PR middle-end/7651
2078         * doc/invoke.texi (Wunused-value): Update description.
2079         (Wextra): Delete item.
2080         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2081         value of Wunused-value.
2082         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2083         (c_finish_stmt_expr): Don't check extra_warnings.
2084         (emit_side_effect_warnings): The caller is responsible to check
2085         warn_unused_value.
2086
2087 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2088             Matt Thomas  <matt@3am-software.com>
2089
2090         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2091
2092 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2093
2094         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2095         comparisons of POPCOUNT against zero.
2096         (simplify_const_relational_operation): Likewise.
2097
2098 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2099
2100         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2101
2102 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2103
2104         * dwarf2out.c (root_type): Delete unused function.
2105
2106 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2107
2108         * genattrtab.c (contained_in_p): Delete unused function.
2109         (write_expr_attr_cache): Likewise.
2110
2111 2007-02-11  Jan Hubicka  <jh@suse.cz>
2112
2113         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2114         previous patch.
2115
2116 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2117
2118         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2119         to add the REG_EQ* note.
2120         * see.c (see_merge_one_use_extension): Likewise.
2121         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2122         turn REG_EQUAL notes into REG_EQUIV notes if the target
2123         register may have more than one set.
2124         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2125         * gcse.c (try_replace_reg): Likewise.
2126         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2127         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2128         more than one REG_EQUIV note.
2129         * reload1.c (gen_reload): Use set_unique_reg_note.
2130
2131 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2132
2133         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2134         (ix86_builtin_conversion): New function.
2135
2136 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2137
2138         PR target/29487
2139         * tree.h (DECL_REPLACEABLE_P): New macro.
2140         * except.c (set_nothrow_function_flags): Likewise.
2141
2142 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2143             Ira Rosen  <irar@il.ibm.com>
2144             Dorit Nuzman  <dorit@il.ibm.com>
2145
2146         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2147         * targhooks.c (default_builtin_vectorized_conversion): New.
2148         * targhooks.h (default_builtin_vectorized_function): New declaration.
2149         * target.h (struct vectorize): Add builtin_conversion field.
2150         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2151         stmt_vec_info_type value.
2152         (vectorizable_conversion): New declaration.
2153         * tree-vect-analyze.c (vect_analyze_operations): Add
2154         vectorizable_conversion call.
2155         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2156         * tree-vect-transform.c (vectorizable_conversion): New function.
2157         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2158         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2159         mode.
2160         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2161         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2162         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2163         or ALTIVEC_BUILTIN_VCFSX.
2164
2165 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2166
2167         PR target/30634
2168         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2169         CONST_DOUBLE and operand 0 is a hard register.
2170         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2171         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2172         is a hard floating-point register.
2173
2174 2007-02-10  Richard Henderson  <rth@redhat.com>
2175             Jakub Jelinek  <jakub@redhat.com>
2176             Alexandre Oliva  <aoliva@redhat.com>
2177
2178         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2179         * builtin-types.def (BT_WORD): Make unsigned.
2180         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2181         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2182         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2183         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2184         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2185         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2186         emulated tls.
2187         * expr.c (emutls_var_address): New.
2188         (expand_expr_real_1): Expand emulated tls.
2189         (expand_expr_addr_expr_1): Likewise.
2190         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2191         * output.h (emutls_finish): Declare.
2192         * toplev.c (compile_file): Call it.
2193         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2194         address before wrapping in CONST.
2195         * varasm.c (emutls_htab, emutls_object_type): New.
2196         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2197         (get_emutls_object_name, get_emutls_object_type): New.
2198         (get_emutls_init_templ_addr, emutls_decl): New.
2199         (emutls_common_1, emutls_finish): New.
2200         (assemble_variable): When emulating tls, swap decls; generate
2201         constructor for the emutls objects.
2202         (do_assemble_alias): When emulating tls, swap decl and target name.
2203         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2204         for emulated tls.
2205         * varpool.c (decide_is_variable_needed): Look at force_output.
2206         Recurse for emulated tls.
2207         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2208         with decide_is_variable_needed.
2209         * emutls.c: New file.
2210         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2211         tls_object for real tls.
2212
2213 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2214
2215         PR rtl-optimization/29599
2216         * reload1.c (eliminate_regs_in_insn): Take the destination
2217         mode into account when computing the offset.
2218
2219 2007-02-09  Stuart Hastings  <stuart@apple.com>
2220             Richard Henderson  <rth@redhat.com>
2221
2222         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2223         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2224         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2225         fixuns_truncdfhi2): New.
2226         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2227         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2228         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2229         (floatunssidf2): Allow nonimmediate source.
2230         * gcc/config/i386/sse.md (movdi_to_sse): New.
2231         (vec_concatv2di): Drop '*'.
2232         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2233         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2234         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2235         New.
2236         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2237         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2238         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2239         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2240         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2241         ix86_build_const_vector.
2242         (x86_emit_floatuns): Rewrite.
2243
2244 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2245
2246         * genautomata.c (longest_path_length): Delete unused function.
2247         (struct state): Delete unused longest_path_length.
2248         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2249         (get_free_state): Delete unused.
2250
2251 2007-02-09  Jan Hubicka  <jh@suse.cz>
2252
2253         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2254         * doc/invoke.texi (inline-unit-growth): Update default value.
2255
2256         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2257         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2258         (rebuild_cgraph_edges): Likewise.
2259         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2260         (dump_cgraph_node): Dump frequencies.
2261         (cgraph_clone_edge): Add frequency scales.
2262         (cgraph_clone_node): Add freuqnecy.
2263         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2264         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2265         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2266         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2267         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2268         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2269         (save_inline_function_body): Likewise.
2270         * ipa-inline.c: inluce rtl.h
2271         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2272         (cgraph_edge_badness): Use frequencies.
2273         (cgraph_decide_recursive_inlining): Update clonning.
2274         (cgraph_decide_inlining_of_small_function): Dump frequency.
2275         * predict.c (estimate_bb_frequencies): Export.
2276         * predict.h (estimate_bb_frequencies): Declare.
2277         * tree-inline.c (copy_bb): Watch overflows.
2278         (expand_call_inline): Update call of cgraph_create_edge.
2279         (optimize_inline_calls): Use TODO flags to update frequnecies.
2280         * passes.h: Include predict.h
2281         (init_optimization_passes): Move profile ahead.
2282         (execute_function_todo): Handle TODO_rebuild_frequencies.
2283
2284 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2285
2286         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2287         the insbl or inswl pattern into a register.
2288
2289 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2290
2291         * config/ia64/ia64.md (bswapdi2): New define_insn.
2292
2293 2007-02-09  Richard Henderson  <rth@redhat.com>
2294
2295         * config/i386/constraints.md (Ym): New constraint.
2296         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2297         (movdi_1_rex64): Split sse and xmm general register moves from
2298         memory move alternatives.  Use conditional register constraints.
2299         (movsf_1, movdf_integer): Likewise.
2300         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2301         (movdf_integer_rex64): New.
2302         (pushsf_rex64): Fix output constraints.
2303         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2304         (sse2_stored): Likewise.
2305         (sse2_storeq_rex64): New.
2306         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2307         amd and not generic.
2308         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2309         for optimize_size.  Remove SF/DFmode hack.
2310
2311 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2312
2313         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2314         (bit_SSE4a): New.
2315
2316 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2317             Richard Sandiford  <richard@codesourcery.com>
2318
2319         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2320         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2321         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2322         m68k/t-mlib to tmake_file.
2323         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2324         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2325         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2326         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2327         variable is not empty, add t-$m68k_arch_family to tmake_file.
2328         Add t-mlibs to tmake_file.
2329         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2330         * config/m68k/t-cf: New file.
2331         * config/m68k/t-m68k: Likewise.
2332         * config/m68k/t-mlibs: Likewise.
2333         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2334         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2335         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2336         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2337         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2338         Delete.
2339         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2340         (INSTALL_LIBGCC): Delete.
2341         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2342         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2343         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2344         (M68K_MLIB_CPU): Define.
2345         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2346         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2347         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2348
2349 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2350             Richard Guenther  <rguenther@suse.de>
2351
2352         PR middle-end/23361
2353         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2354         against INT_MIN/INT_MAX.
2355         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2356         file if a loop is removed.
2357
2358 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2359
2360         * calls.c (store_one_arg): Pass correct alignment to
2361         emit_push_insn for non-BLKmode values.
2362         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2363         unaligned stack slot via a suitably aligned slot.
2364
2365 2007-02-08  DJ Delorie  <dj@redhat.com>
2366
2367         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2368         warnings.
2369         (legal_subregs): Use unsigned char, make const.
2370         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2371
2372 2007-02-08  Paul Brook  <paul@codesourcery.com>
2373
2374         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2375         special interworking needed.
2376
2377 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2378
2379         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2380         conditional to __SSE2__.
2381         (Entries below should have been added to first ChangeLog
2382         entry for amdfam10 dated 2007-02-05)
2383         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2384         defined.
2385         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2386         defined.
2387         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2388         defined.
2389
2390 2007-02-08  DJ Delorie  <dj@redhat.com>
2391
2392         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2393         * config/m32c/m32c.c (legal_subregs): New.
2394         (m32c_illegal_subreg_p): New.
2395         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2396         unsupported subregs of hard regs.
2397
2398 2007-02-08  Jan Hubicka  <jh@suse.cz>
2399
2400         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2401         the same one; always update histograms.
2402
2403 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2404
2405         * passes.c (init_optimization_passes): Tidy comment.
2406
2407 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2408
2409         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2410         strip zero_extend, bswap and rotates from POCOUNT's argument.
2411         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2412         zero_extend and rotates from PARITY's argument.
2413         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2414         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2415         of an integer constant at compile-time.
2416
2417 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2418
2419         PR 30562
2420         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2421         Update all users.
2422         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2423         users.
2424         (init_alias_info):
2425         * tree-ssa-live.c (remove_unused_locals): Do not remove
2426         TREE_ADDRESSABLE variables.
2427         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2428         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2429         FOR_CLOBBER.  Update all users.
2430         If VAR has an associated alias set, add a virtual operand for
2431         it if no alias is found to conflict with the memory reference.
2432
2433 2007-02-07  Jan Hubicka  <jh@suse.cz>
2434             Robert Kidd <rkidd@crhc.uiuc.edu>
2435
2436         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2437
2438 2007-02-07  Ian Lance Taylor  <iant@google.com>
2439
2440         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2441
2442 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2443
2444         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2445         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2446         tablejumpdi, movsi_to_cr_one): Remove constraints from
2447         define_expand's match_operands.
2448
2449 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2450
2451         * global.c (compute_regsets): Move declatation of "i" inside of
2452         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2453
2454 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2455
2456         PR c++/30703
2457         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2458         of INDIRECT_REF <RESULT_DECL>.
2459
2460         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2461
2462 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2463             Kaz Kojima  <kkojima@gcc.gnu.org>
2464
2465         PR target/29746
2466         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2467         properly.
2468         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2469
2470 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2471
2472         * doc/loop.texi: Document possibility not to perform disambiguation
2473         of loops with multiple latches.
2474         * cfgloopmanip.c (alp_enum_p): Removed.
2475         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2476         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2477         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2478         the new forwarder block.
2479         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2480         Handle the case latch is NULL.
2481         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2482         when marking loop exits.
2483         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2484         be modified.
2485         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2486         disambiguate_loops_with_multiple_latches.
2487         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2488         before fix_loop_structure.
2489         * cfgloop.c: Include pointer-set.h and output.h.
2490         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2491         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2492         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2493         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2494         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2495         disambiguate_multiple_latches, get_loop_body_with_size,
2496         disambiguate_loops_with_multiple_latches): New functions.
2497         (flow_loop_dump): Dump multiple latch edges.
2498         (flow_loop_nodes_find): Handle loops with multiple latches.
2499         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2500         (glb_enum_p): Modified.
2501         (get_loop_body): Use get_loop_body_with_size.
2502         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2503         (AVOID_CFG_MODIFICATIONS): New constant.
2504         (disambiguate_loops_with_multiple_latches, add_loop,
2505         get_loop_body_with_size): Declare.
2506         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2507
2508 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2509
2510         PR inline-asm/28686
2511         * global.c (compute_regsets): New function.
2512         (global_alloc): Refactored ELIMINABLE_REGSET
2513         and NO_GLOBAL_ALLOC_REGS computation out.
2514         (rest_of_handle_global_alloc): Call compute_regsets()
2515         for non-optimizing case.
2516
2517 2007-02-06  Richard Henderson  <rth@redhat.com>
2518
2519         * config/i386/constraints.md (Y2): Rename from Y.
2520         (Yi): New constraint.
2521         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2522         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2523         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2524         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2525         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2526         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2527         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2528         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2529         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2530         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2531         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2532         vec_extractv2si_1): Change Y constraints to Y2.
2533         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2534         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2535         Change Y constraints to Y2.
2536         (sse2_loadld): Change Y constraints to x.
2537
2538 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2539
2540         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2541         (parity<mode>2): New define_expand using rs6000_emit_parity.
2542         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2543         rs6000_emit_parity): New functions.
2544         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2545         rs6000_emit_parity): Prototype here.
2546
2547 2007-02-06  Ian Lance Taylor  <iant@google.com>
2548
2549         * lower-subreg.c (simple_move_operand): Reject CONST.
2550         (resolve_clobber): Call validate_change rather than directly
2551         assigning to XEXP (pat, 0).
2552
2553 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2554
2555         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2556         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2557         (tree-cfg.o): Remove hashtab.h dependency.
2558
2559         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2560         (struct ivopts_data): Change niters to pointer_map_t.
2561         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2562         (niter_for_exit): Create pointer_map on demand.  Change for
2563         pointer_map API.
2564         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2565         (free_loop_data): Destroy data->niters if created and reset field.
2566         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2567         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2568
2569         * tree-ssa-reassoc.c: Include pointer-set.h.
2570         (bb_rank): Change to long *.
2571         (operand_rank): Change to pointer_map_t.
2572         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2573         (insert_operand_rank): Accept long.
2574         (operand_entry_hash, operand_entry_eq): Remove.
2575         (get_rank): Return long.  Adjust for changes above.
2576         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2577         and operand_rank.
2578         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2579
2580         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2581         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2582         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2583         is not NULL.
2584         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2585         directly since it cannot be NULL.
2586         (get_vi_for_tree): Rewrite for pointer_map API.
2587         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2588         (init_alias_vars): Create vi_for_tree as pointer_map.
2589         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2590
2591         * tree-cfg.c: Don't include hashtab.h.
2592         (edge_to_cases): Declare as pointer_map.
2593         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2594         Delete.
2595         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2596         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2597         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2598         destroying it.
2599         (record_switch_edge): Delete.
2600         (get_cases_for_edge): Adjust for pointer_map API, inline
2601         record_switch_edge (rewritten for new API), remove goto.
2602
2603 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2604
2605         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2606         * tree-nested.c: Include pointer-set.h.
2607         (var_map_elt, var_map_eq, var_map_hash): Delete.
2608         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2609         to pointer_map_t's.
2610         (nesting_info_bitmap_obstack): New.
2611         (lookup_field_for_decl): Adjust for pointer_map API.
2612         (lookup_tramp_for_decl): Adjust for pointer_map API.
2613         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2614         (get_local_debug_decl): Adjust for pointer_map API.
2615         (convert_nl_goto_reference): Adjust for pointer_map API.
2616         (convert_nl_goto_receiver): Adjust for pointer_map API.
2617         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2618         the new obstack.  Create field_map and var_map as pointer_maps.
2619         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2620         (root): Delete.
2621         (lower_nested_functions): Move root here, no need to NULL it.
2622         Initialize and release the obstack.
2623
2624 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2625
2626         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2627         Remove prototypes and make them non-static.
2628         (struct tree_int_map): Remove.
2629         * tree.h (struct tree_int_map): Move here, turning TO into an
2630         unsigned int.
2631         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2632
2633         * tree.h (TREE_COMPLEXITY): Remove.
2634         (struct tree_exp): Remove complexity field.
2635         * tree.c (build1_stat): Don't set it.
2636
2637 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2638             Victor Kaplansky  <victork@il.ibm.com>
2639
2640         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2641         (vect_is_simple_reduction): Support reduction with induction as
2642         one of the operands.
2643         (vect_is_simple_iv_evolution): Fix formatting.
2644         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2645         formatting.  Don't mark induction phis for vectorization.
2646         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2647         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2648         (vect_get_vec_def_for_operand): Support induction.
2649         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2650         induction case.
2651         (vectorizable_reduction): Support reduction with induction as one of
2652         the operands.
2653         (vectorizable_type_demotion): Use def-type of stmt argument rather
2654         than dummy def-type.
2655
2656         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2657         flag_tree_scev_cprop.
2658         * common.opt (tree-scev-cprop): New flag.
2659
2660         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2661         call to vect_get_new_vect_var.
2662
2663 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2664
2665         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2666         vectype is not NULL.
2667         (vect_pattern_recog_1): Likewise.
2668
2669 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2670
2671         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2672         (fold_negate_expr): Likewise.
2673
2674 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2675
2676         PR debug/30189
2677         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2678         even if cv-qualification is the same.
2679
2680 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2681
2682         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2683         __enable_execute_stack on completion.
2684
2685 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2686
2687         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2688         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2689         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2690         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2691         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2692         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2693         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2694         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2695
2696 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2697
2698         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2699         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2700         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2701         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2702         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2703         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2704         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2705         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2706         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2707         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2708         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2709         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2710         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2711         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2712         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2713         sqrtextenddfxf2_i387): Added amdfam10_decode.
2714
2715         * config/i386/athlon.md (athlon_idirect_amdfam10,
2716         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2717         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2718         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2719         athlon_ivector_store_amdfam10): New define_insn_reservation.
2720         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2721         amdfam10.
2722
2723 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2724
2725         * config/i386/athlon.md (athlon_call_amdfam10,
2726         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2727         define_insn_reservation.
2728         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2729         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2730         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2731
2732 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2733
2734         * config/i386/athlon.md (athlon_sseld_amdfam10,
2735         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2736         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2737
2738 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2739
2740         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2741         define_insn_reservation.
2742         * config/i386/i386.md (sseins): Added sseins to define_attr type
2743         and define_attr unit.
2744         * config/i386/sse.md: Set type attribute to sseins for insertq
2745         and insertqi.
2746
2747 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2748
2749         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2750         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2751         ssecomi_load_amdfam10, ssecomi_amdfam10,
2752         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2753         define_insn_reservation.
2754         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2755
2756 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2757
2758         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2759         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2760         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2761         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2762         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2763         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2764         define_insn_reservation.
2765
2766         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2767         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2768         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2769         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2770         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2771
2772 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2773
2774         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2775         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2776         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2777         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2778         athlon_ssemul_load_k8): Added amdfam10.
2779
2780 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2781
2782         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2783         (x86_sse_unaligned_move_optimal): New variable.
2784
2785         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2786         m_AMDFAM10.
2787         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2788         for unaligned vector SSE double/single precision loads for AMDFAM10.
2789
2790 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2791
2792         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2793         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2794         Define TARGET_CPU_DEFAULT_amdfam10.
2795         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2796         (processor_type): Add PROCESSOR_AMDFAM10.
2797
2798         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2799         processor_type in config/i386/i386.h.
2800         Enable imul peepholes for TARGET_AMDFAM10.
2801
2802         * config.gcc: Add support for --with-cpu option for amdfam10.
2803
2804         * config/i386/i386.c (amdfam10_cost): New variable.
2805         (m_AMDFAM10): New macro.
2806         (m_ATHLON_K8_AMDFAM10): New macro.
2807         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2808         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2809         x86_promote_QImode, x86_integer_DFmode_moves,
2810         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2811         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2812         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2813         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2814         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2815         Enable/disable for amdfam10.
2816         (override_options): Add amdfam10_cost to processor_target_table.
2817         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2818         processor_alias_table.
2819         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2820         (ix86_adjust_cost): Add code for amdfam10.
2821
2822 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2823
2824         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2825         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2826         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2827         * config/i386/i386.h: Add builtin definition for SSE4A.
2828         * config/i386/i386.md: Add support for ABM instructions
2829         (popcnt and lzcnt).
2830         * config/i386/sse.md: Add support for SSE4A instructions
2831         (movntss, movntsd, extrq, insertq).
2832         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2833         Add -march=amdfam10 flag.
2834         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2835         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2836         and amdfam10.
2837         * doc/extend.texi: Add documentation for SSE4A builtins.
2838
2839 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2840
2841         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2842
2843 2007-02-05  Richard Guenther  <rguenther@suse.de>
2844
2845         * tree-vectorizer.h (vectorizable_function): Add argument type
2846         argument, change return type.
2847         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2848         * tree-vect-transform.c (vectorizable_function): Handle extra
2849         argument, return vectorized function decl.
2850         (build_vectorized_function_call): Remove.
2851         (vectorizable_call): Handle calls with result and argument types
2852         differing.  Handle loop vectorization factor correctly.
2853         * targhooks.c (default_builtin_vectorized_function): Adjust for
2854         extra argument.
2855         * targhooks.h (default_builtin_vectorized_function): Likewise.
2856         * target.h (builtin_vectorized_function): Add argument type
2857         argument.
2858         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2859         extra argument, allow vectorizing of lrintf.
2860         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2861         documentation of target hook.
2862
2863 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2864
2865         PR target/30665
2866         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2867         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2868         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2869
2870 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2871
2872         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2873         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2874         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2875         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2876         before canonicalizing sincos to cexpi.
2877         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2878
2879 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2880
2881         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2882         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2883         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2884
2885 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2886
2887         * mips-tfile.c (initialize_init_file): Correct endianness test.
2888
2889 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2890
2891         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2892         the 'y' constraint.
2893
2894 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2895
2896         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2897         saves in a PARALLEL before the register assignments.
2898
2899 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2900
2901         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2902         DWARF_FRAME_RETURN_COLUMN to be a general register.
2903         * dwarf2out.c (init_return_column_size): New function, split from...
2904         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2905         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2906         to be nongeneral registers.
2907         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2908         integer registers.
2909         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2910         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2911
2912 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2913
2914         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2915
2916 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2917
2918         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2919         (remove_path): Use can_remove_branch_p and remove_branch instead
2920         of loop_delete_branch_edge.
2921         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2922         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2923         Update profile using scale_dominated_blocks_in_loop.
2924         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2925         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2926         (can_remove_branch_p, remove_branch): Declare.
2927         * tree-cfg.c (tree_can_remove_branch_p): New function.
2928         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2929         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2930         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2931
2932 2007-02-05  Jan Hubicka  <jh@suse.cz>
2933
2934         PR middle-end/30696
2935         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2936         nodes in cgraph, don't remove offline copy of the function.
2937
2938 2007-02-04  Jan Hubicka  <jh@suse.cz>
2939
2940         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2941         vectors might cause maybe_lookup_element_for_expr to be called
2942         on non-sra-candidate.
2943
2944 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2945
2946         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2947         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2948         spelling conventions.
2949
2950 2007-02-04  Richard Guenther  <rguenther@suse.de>
2951
2952         PR middle-end/30636
2953         * fold-const.c (try_move_mult_to_index): Make sure to not
2954         overflow one dimension of a multi-dimensional array access.
2955
2956 2007-02-04  Jan Hubicka  <jh@suse.cz>
2957
2958         * passes.c (init_optimization_passes): Reindent.
2959
2960 2007-02-04  Jan Hubicka  <jh@suse.cz>
2961             Eric Botcazou  <ebotcazou@adacore.com>
2962
2963         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2964         (execute_fixup_cfg): Break out the abnormal goto code.
2965         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2966         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2967         (optimize_inline_calls): Call make_nonlocal_label_edges.
2968
2969 2007-02-04  Jan Hubicka  <jh@suse.cz>
2970
2971         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2972         true when something was changed.
2973         (rename_ssa_copies): When something was changed, do
2974         TODO_remove_unused_locals.
2975         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2976         add TODO_remove_unused_locals when instruction was removed.
2977
2978 2007-02-04  Jan Hubicka  <jh@suse.cz>
2979
2980         * ipa-inline.c (try_inline): Improve debug output; work on already
2981         inline edges too.
2982         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2983         call try_inline for already inlined edges too when flattening;
2984         inline also functions that make callee growth but overall unit size
2985         reduce.
2986
2987 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2988
2989         * config/m32c/bitops.md, config/m32c/jump.md,
2990         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2991         config/m32r/m32r.h, config/m32r/m32r.md,
2992         config/m32r/predicates.md, config/m68hc11/larith.asm,
2993         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2994         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2995         config/mips/mips-protos.h, config/mips/mips.c,
2996         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2997         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2998         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2999         spelling conventions.
3000
3001         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3002         Follow spelling conventions.
3003
3004 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3005
3006         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3007         warn about C++0x compatibility.
3008
3009 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3010
3011         * config/h8300/h8300.c, config/h8300/h8300.h,
3012         config/h8300/h8300.md: Follow spelling conventions.
3013
3014 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3015
3016         PR middle-end/30667
3017         * combine.c (try_combine): Do not substitute source operand
3018         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3019
3020 2007-02-03  Jan Hubicka  <jh@suse.cz>
3021
3022         PR gcov-profile/30650
3023         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3024         do not divide by zero for never executed counters.
3025         (tree_find_values_to_profile): Fix counters.
3026         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3027
3028 2007-02-03  Ian Lance Taylor  <iant@google.com>
3029
3030         * lower-subreg.c (simple_move_operand): New static function,
3031         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3032         operands.
3033         (simple_move): Call simple_move_operand.
3034         (find_decomposable_subregs): Add special handling of MEMs.
3035         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3036         meaning of return value.  If we see a hard register, test whether
3037         it can store a word_mode value.  Change all callers.
3038
3039 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3040
3041         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3042         ftrapv insns and expanders.
3043         (subdi3): Change define_expand operand 1 to arith11_operand, and
3044         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3045         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3046         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3047         respectively.
3048
3049         PR middle-end/30174
3050         * varasm.c (notice_global_symbol): Treat global objects as weak when
3051         flag_shlib is true.
3052
3053 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3054
3055         * emit-rtl.c (dconstpi): Delete.
3056         (dconstsqrt2): New.
3057         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3058         * real.h (dconstpi): Delete.
3059         (dconstsqrt2): New.
3060         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3061         (fold_builtin_hypot): Likewise.
3062
3063 2007-02-03  Tom Tromey  <tromey@redhat.com>
3064
3065         PR driver/30246
3066         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3067         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3068
3069 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3070
3071         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3072         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3073         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3074         config/rs6000/cell.md, config/rs6000/darwin.h,
3075         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3076         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3077         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3078         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3079         typos.  Follow spelling conventions.
3080         * doc/invoke.texi: Follow spelling conventions.
3081
3082 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3083
3084         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3085         canonicalization transformations that attempt to simplify integer
3086         constant comparisons to become comparisons against zero.
3087
3088 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3089
3090         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3091         fabs(x)*sqrt(2).
3092         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3093         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3094
3095 2007-02-02  Mike Stump  <mrs@apple.com>
3096
3097         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3098         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3099         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3100         generate a branch island.
3101
3102 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3103
3104         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3105         (xtensa_legitimate_address_p): New.
3106         (xtensa_legitimize_address): New.
3107         (xtensa_output_addr_const_extra): New.
3108         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3109         (BASE_REG_P): New.
3110         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3111         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3112         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3113         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3114         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3115         (xtensa_legitimize_address): New.
3116         (xtensa_output_addr_const_extra): New.
3117
3118 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3119
3120         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3121
3122 2007-02-02  Ian Lance Taylor  <iant@google.com>
3123
3124         * expmed.c (expand_divmod): Add comment.
3125
3126 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3127
3128         * emit-rtl.c (renumber_insns): Remove.
3129         * flags.h: Remove the extern for flag_renumber_insns.
3130         * rtl.h: Remove the prototype for renumber_insns.
3131         * toplev.c (flag_renumber_insns): Remove.
3132
3133 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3134
3135         Revert for x86 darwin:
3136         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3137
3138         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3139         code before the following patch under TARGET_MACHO.
3140         (ix86_function_value_regno_p): Likewise.
3141
3142 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3143
3144         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3145         COMPLEX_EXPR.
3146
3147 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3148
3149         PR target/29682
3150         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3151         general or fp registers.  Add comments.
3152         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3153
3154 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3155
3156         * pointer-set.c (insert_aux): Only return insertion slot.
3157         (pointer_set_insert): Adjust.
3158         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3159         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3160         pointer_map_traverse): New.
3161         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3162         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3163         pointer_map_contains, pointer_map_traverse): Declare.
3164
3165 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3166
3167         PR middle-end/30473
3168         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3169         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3170
3171 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3172
3173         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3174
3175         (struct _dep): New type.
3176         (dep_t): New typedef.
3177         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3178         (DEP_STATUS): New access macro.  The macro with the same name was
3179         renamed to DEP_LINK_STATUS.
3180         (dep_init): Declare function
3181
3182         (struct _dep_link): New type.
3183         (dep_link_t): New typedef.
3184         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3185         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3186         (DEP_LINK_STATUS): New macro.
3187         (debug_dep_links): New debug function.
3188
3189         (struct _deps_list): New type.
3190         (deps_list_t): New typedef.
3191         (DEPS_LIST_FIRST): New access macro.
3192         (FOR_EACH_DEP_LINK): New cycle macro.
3193         (create_deps_list, free_deps_list, delete_deps_list): Declare
3194         functions.
3195         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3196         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3197         (copy_deps_list_change_con): Ditto.
3198
3199         (move_dep_link): Declare function.
3200
3201         (struct _dep_node): New type.
3202         (dep_node_t): New typedef.
3203         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3204
3205         (struct haifa_insn_data.back_deps): New field to hold backward
3206         dependencies of the insn.
3207         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3208         to deps_list_t.
3209         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3210         Change its type to deps_list_t.
3211         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3212         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3213         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3214
3215         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3216
3217         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3218
3219         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3220         all callers.
3221         (dep_cost): Declare.
3222
3223         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3224         (ds_to_dk, dk_to_ds): New functions.
3225
3226         (init_dep_1): New static function.
3227         (init_dep): New function.
3228         (copy_dep): New static function.
3229
3230         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3231         functions.
3232         (detach_dep_link): New static function.
3233         (move_dep_link): New function.
3234
3235         (dep_links_consistent_p, dump_dep_links): New static functions.
3236         (debug_dep_links): New debugging function.
3237
3238         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3239
3240         (alloc_deps_list, init_deps_list): New static functions.
3241         (create_deps_list): New function.
3242         (clear_deps_list): New static function.
3243         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3244         (deps_list_consistent_p, dump_deps_list): New static functions.
3245         (debug_deps_list): New function.
3246         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3247         functions.
3248         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3249
3250         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3251         use new scheduler dependencies lists.
3252         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3253         (sched_analyze): Ditto.  Initialize dependencies lists.
3254         (add_forw_dep, compute_forward_dependences): Update to use new
3255         scheduler dependencies lists.
3256
3257         (init_dependency_caches): Init deps_obstack.
3258         (free_dependency_caches): Free deps_obstack.
3259
3260         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3261         new scheduler dependencies lists.
3262         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3263         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3264
3265         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3266         Update to use new scheduler dependencies lists.
3267         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3268         (debug_dependencies): Ditto.
3269         (schedule_region): Update comments.
3270
3271         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3272         scheduler dependencies lists.
3273         (schedule_ebb): Update comments.
3274
3275         * rtl.def (DEPS_LIST): Remove.
3276
3277         * lists.c (unused_deps_list): Remove.
3278         (free_list): Update assertions.
3279
3280         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3281         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3282
3283         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3284         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3285
3286         * haifa-sched.c (comments): Update.
3287         (insn_cost1): Remove.  Inline the code into insn_cost ().
3288         (insn_cost): Update to use new scheduler dependencies lists.  Move
3289         processing of the dependency cost to dep_cost ().
3290         (dep_cost): New function.  Use it instead of insn_cost () when
3291         evaluating cost of the dependency.  Use compatible interface to
3292         interact with the target.
3293         (priority): Update to use new scheduler dependencies lists.
3294         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3295         with greater number of insns that depend on the insn.
3296         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3297         code to free backward dependencies lists.  Inline and optimize code
3298         from resolve_dep () - see PR28071.
3299         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3300         lists.  Update call to targetm.sched.is_costly_dependence hook.
3301
3302         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3303         scheduler dependencies lists.
3304
3305         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3306         (init_h_i_d): Initialize dependencies lists.
3307
3308         (process_insn_depend_be_in_spec): Rename to
3309         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3310         dependencies lists.
3311         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3312         Update to use new scheduler dependencies lists.
3313         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3314
3315         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3316         new scheduler dependencies lists.
3317         (build_intra_loop_deps): Ditto.
3318
3319         * target.h (struct _dep): Declare to use in
3320         gcc_target.sched.is_costly_dependence.
3321         (struct gcc_target.sched.adjust_cost): Fix typo.
3322         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3323         single dep_t parameter instead of an equivalent triad.
3324         (struct gcc_target.sched.adjust_cost_2): Remove.
3325
3326         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3327
3328         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3329
3330         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3331         documentation.
3332         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3333
3334         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3335         (REG_DEP_TRUE): Document.
3336
3337         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3338         Change signature to correspond to the targetm.sched.adjust_cost hook.
3339         Update use in TARGET_SCHED_ADJUST_COST_2.
3340         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3341         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3342         new scheduler dependencies lists.
3343         (ia64_gen_check): Ditto.
3344
3345         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3346         dependencies lists.
3347
3348         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3349         signature to correspond to the targetm.sched.is_costly_dependence hook.
3350         (is_costly_group): Update to use new scheduler dependencies lists.
3351
3352         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3353         instead of INSN_COST () macro.
3354
3355 2007-02-01  Ian Lance Taylor  <iant@google.com>
3356
3357         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3358
3359 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3360
3361         * pa.md (tp_load): Correct mfctl instruction syntax.
3362
3363 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3364
3365         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3366         altivec_padding_size calculation on AIX.  Improve comment, add
3367         assert to verify that it's right.
3368
3369         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3370         64-bit.
3371
3372 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3373
3374         PR inline-asm/28686
3375         * global.c (global_alloc): Add mising initialization of
3376         ELIMINABLE_REGSET.
3377
3378 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3379
3380         * alias.c (init_alias_analysis): Correct whitespace.
3381         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3382         partition_hot_cold_basic_blocks): Likewise.
3383         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3384         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3385         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3386         fold_builtin_snprintf_chk, fold_builtin_printf,
3387         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3388         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3389         * cfgcleanup.c (cleanup_cfg): Likewise.
3390         * cfgexpand.c (tree_expand_cfg): Likewise.
3391         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3392         * function.c (get_next_funcdef_no): Likewise.
3393         * gengtype.c (main): Likewise.
3394         * genmodes.c (main): Likewise.
3395         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3396         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3397         * ifcvt.c (noce_emit_move_insn): Likewise.
3398         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3399         Likewise.
3400         * stor-layout.c (get_best_mode): Likewise.
3401         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3402         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3403         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3404         perform_var_substitution, solve_graph): Likewise.
3405         * tree-vrp.c (vrp_finalize): Likewise.
3406
3407 2007-02-01  Ian Lance Taylor  <iant@google.com>
3408
3409         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3410         high part of a paradoxical subreg, return a constant zero.
3411
3412 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3413