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