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