OSDN Git Service

5c55b1d99db5ae15933a433c28362e7011feae3f
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c/23506
4         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5         array by one element, initialize the BT_LAST element with NULL.
6
7 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
8
9         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
10         optimizing for size.
11         (plus_eqsi): Same.
12         (compare_plus_eqsi): Same.
13         (plus_eqsi_compare): Same.
14         (neg_eq0<mode>): Same.
15         (neg_eq<mode>): Same.
16
17         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
18         PROCESSOR_POWER4.
19
20 2005-08-26  Nick Clifton  <nickc@redhat.com>
21
22         * config/v850/v850.c (ep_memory_operand): Return FALSE if
23         TARGET_EP is not defined.
24         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
25         TARGET_EP is enabled.
26         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
27         * config/v850/v850.md (save_all_interrupt): Only use the EP
28         register if TARGET_EP is defined.
29         (restore_all_interrupt): Likewise.
30         * config/v850/lib1funcs.asm: Update functions so that the EP
31         register is only used if __EP__ is defined.
32
33 2005-08-26  David Ung  <davidu@mips.com>
34
35         * config/mips/mips.c (mips_expand_prologue): Handle case when
36         generating for MIPS16 and the outgoing argument area is more than
37         SMALL_OPERAND. Use the frame pointer as temporary to generate the
38         add instruction.
39
40 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
41
42         * config/crx/crx.md: Make doloop_end pattern usage controllable
43         via mloop-nesting=<max-nesting> command line switch. Make sure
44         the combiner cannot use doloop_end_<mode> in an illegal way.
45         * config/crx/crx.c: Use regs up to r6 for argument passing.
46         Refine crx_address_cost (non cst4 displacements are expensive).
47         * config/crx/crx.opt: Add switch for mloop-nesting=.
48
49 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
50
51         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
52         (UNSPEC_MVST): New constant.
53
54 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
55
56         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
57         Reject operands containing eliminable registers.
58         * testsuite/gcc.dg/20050825-1.c: New testcase.
59
60 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
61             Jan Hubicka  <jh@suse.cz>
62
63         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
64
65 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
66
67         PR tree-optimization/23546
68         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
69         and REAL_CST nodes.
70
71 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
72
73         * params.def (PARAM_MIN_SPEC_PROB): New.
74         * sched-rgn.c (MIN_PROBABILITY): Delete.
75         (compute_trg_info): Convert to PARAM_VALUE.
76         * doc/invoke.texi (param): Document min-spec-prob.
77
78 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
79
80         * config/darwin.h: define __PIC__
81         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
82         TARGET_OS_CPP_BUILTINS macro.
83
84 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
85
86         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
87         yesterday.
88
89 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
90
91         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
92         to duplicate_block.
93         * cfghooks.c (duplicate_block): Added position where to place
94         new block as argument.
95         * cfghooks.h (duplicate_block): Declaration changed.
96         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
97         duplicate_block.
98         * cfglayout.h (copy_bbs): Declaration changed.
99         * cfgloop.h (loop_version): Declaration changed.
100         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
101         position to copy_bbs.
102         (loop_version): Pass position to duplicate_loop_to_header_edge.
103         Add place_after argument and position new blocks according to
104         it.
105         * modulo-sched.c (sms_schedule): Pass place_after argument
106         to loop_version.
107         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
108         * tree-cfg.c (split_edge_bb_loc): New function.
109         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
110         to determine position of new blocks.
111         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
112         to loop_version.
113         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
114         argument to duplicate_block.
115         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
116         Pass position to copy_bbs.
117
118 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
119
120         * fold-const.c (ptr_difference_const): Use
121         cst_and_fits_in_hwi instead of host_integerp.
122
123 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
124
125         * config/darwin.c (gen_pic_offset): New.
126         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
127         Use it.
128
129 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
130
131         PR tree-optimization/23486
132         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
133
134 2005-08-23  Phil Edwards  <phil@codesourcery.com>
135
136         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
137         remove use_collect2.
138         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
139
140         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
141         configuration files to override the default value.
142
143         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
144         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
145         * config/vx-common.h:  New file, split out from...
146         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
147         * config/vxworksae.h:  New file, for VxWorks AE.
148         * config/vxworks.opt:  New file.
149         * config/vxlib.c:  Update for VxWorks 6.
150
151         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
152         other MULTILIB_* variables appropriately.
153         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
154         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
155         * config/rs6000/vxworks.h:  Update for VxWorks 6.
156         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
157
158 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
159
160         PR target/20799
161         * config/darwin.c (machopic_select_section): Remove the hack to
162         mark "::operator new" and "::operator delete" for coalescing
163         even though they are not weak.
164
165 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
166
167         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
168         * configure: Regenerate.
169
170 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
171
172         PR middle-end/23517
173         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
174         between vectors.
175         * convert.c (convert_to_integer, convert_to_vector): Likewise.
176         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
177         Likewise.
178
179 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
180
181         * config/rs6000/predicates.md (equality_operator): New.
182         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
183         comparison with a large constant.
184
185 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
186
187         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
188
189 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
190
191         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
192         registers is even, and we have a hardware double precision fp,
193         align the buffer.
194         (sh_gimplify_va_arg_expr): For floating point arguments, consider
195         size of current argument when checking if argument was passed in
196         registers.
197
198         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
199
200         PR middle-end/23467
201         * stor-layout.c (finalize_type_size): Dont override
202         existing alignment with a smaller alignment from the mode.
203
204 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
205
206         * lambda-code.c (lambda_vector_lexico_pos): Moved...
207         * lambda.h (lambda_vector_lexico_pos): ... here.
208         * tree-data-ref.c (build_classic_dist_vector): Return false when
209         the distance vector is lexicographically negative.
210
211 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
212
213         PR tree-optimization/23511
214         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
215         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
216
217 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
218
219         PR tree-optimization/22043
220         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
221         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
222         If ALLOW_FLEXARR, handle types ending with flexible array member.
223         Pass false as second argument to recursive count_type_elements calls.
224         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
225         argument to count_type_elements call.
226         * tree-sra.c (decide_block_copy): Likewise.
227         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
228         for a constant-sized object, set cleared as well.  Pass true as
229         second argument to count_type_elements call.
230
231 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
232
233         PR target/21571
234         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
235         from legitimate_small_data_p, and make global.  Update use.
236         Remove forward declaration.
237         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
238         Declare.
239         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
240
241 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
242
243         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
244         of scratch intermediates.
245         (eq<mode>_compare): Same.
246         (neg_eq0<mode>): New.
247         (neg_eq<mode>): Convert to define_insn_and_split.
248
249 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
250
251         PR target/23070
252         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
253         stdarg functions, set/clear the fp marker even when no variable
254         args are passed.
255         * config/rs6000/sysv4.opt (mprototype): Describe.
256
257 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
258
259         PR rtl-optimization/23478
260         * regs.h (reg_info): Add throw_calls_crossed.
261         (REG_N_THROWING_CALLS_CROSSED): Define.
262         * flow.c (allocate_reg_life_data): Initialize
263         REG_N_THROWING_CALLS_CROSSED.
264         (propagate_one_insn, attempt_auto_inc): Update
265         REG_N_THROWING_CALLS_CROSSED.
266         * global.c (global_alloc): Don't allocate pseudos across
267         calls that may throw.
268
269 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
270
271         PR c/18715
272         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
273         value is inbetween the range if we did not find an exact match.
274
275 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
276
277         * doc/invoke.texi (Option Summary): Add ms1 options.
278         * doc/extend.texi: Document interrupt handler attribute for ms1.
279         * doc/md.texi: Document ms1 constraints.
280         * config.gcc: Add ms1-*-elf.
281         * config/ms1/ms1.h: New.
282         * config/ms1/ms1.c: New.
283         * config/ms1/ms1.md: New.
284         * config/ms1/ms1-protos.h: New.
285         * config/ms1/ABI.txt: New.
286         * config/ms1/crti.asm: New.
287         * config/ms1/crtn.asm: New.
288         * config/ms1/lib2extra-funcs.c: New.
289         * config/ms1/t-ms1: New.
290         * config/ms1/ms1.opt: New.
291
292 2005-08-22 Ira Rosen <irar@il.ibm.com>
293
294         * config/rs6000/altivec.md (xorv4sf3): New.
295         (negv4sf2, neg<mode>2): Likewise.
296
297 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
298
299         PR target/23485
300         * config/ia64/ia64.md (divsi3): Check divide by zero.
301         (udivsi3): Likewise.
302         (divdi3): Likewise.
303         (udivdi3): Likewise.
304
305 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
306
307         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
308         up to elem_bitsize bits, not max_bitsize.
309
310 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
311
312         PR tree-optimization/23433
313         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
314         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
315
316 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
317
318         PR tree-optimization/23434
319         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
320         the iteration bound is not an INTEGER_CST.
321
322 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
323
324         * tree-vect-transform.c (get_initial_def_for_reduction): Set
325         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
326         NULL if need_epilog_adjust is false.
327         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
328         Case 3 always peels first itration, not just for PLUS case, and no need
329         to use scalar_initial_def here. Create an epilog adjustment only if
330         scalar_initial_def is not NULL.
331
332         (vectorizable_reduction): Remove assert. 
333
334 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
335
336         PR target/23485
337         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
338         (__moddi3): Likewise.
339         (__udivdi3): Likewise.
340         (__umoddi3): Likewise.
341         (__divsi3): Likewise.
342         (__modsi3): Likewise.
343         (__udivsi3): Likewise.
344         (__umodsi3): Likewise.
345
346 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
347
348         * tree-pass.h (TDF_GRAPH): Define.
349         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
350         * passes.c (finish_optimization_passes): Only call
351         finish_graph_dump_file if TDF_GRAPH is set.
352         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
353         NULL.  Set TDF_GRAPH bit.
354         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
355
356 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
357
358         * arm.h (arm_stack_offsets): Add locals_base field.
359         * arm.c (arm_get_frame_offsets): Compute it.
360         (thumb_compute_initial_elimination offset): Make the Thumb frame
361         pointer point to the base of the local variables.
362         (thumb_expand_prologue): Update accordingly.
363         (thumb_expand_epilogue): Likewise.
364
365         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
366         mode of clobbered scratch to DImode.  Handle a case that's known to
367         need this.
368
369 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
370
371         * config/rs6000/rs6000.md (gt0<mode>): Delete.
372         (gt0<mode>_compare): Delete.
373         (neg_gt0<mode>): Delete.
374
375 2005-08-19  Eric Christopher  <echristo@apple.com>
376
377         * optabs.h: Change CTI_ to COI_.
378         * optabs.c: Ditto.
379
380 2005-08-19  James E Wilson  <wilson@specifix.com>
381
382         * builtins.c (expand_builtin_return_addr): Set
383         current_function_accesses_prior_frames when count != 0.  Use
384         frame_pointer_rtx when count == 0.
385         * function.h (struct function): Add accesses_prior_frames field.
386         (current_function_accesses_prior_frames): Define.
387         * reload1.c (init_elim_table): Check
388         current_function_accesses_prior_frames.
389         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
390
391 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
392
393         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
394         indicator.  Return true if the flowgraph changed during
395         cleanup.
396
397 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
398
399         PR 23476
400         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
401         conditional expression before testing its value.
402
403 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
404
405         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
406
407 2005-08-19  Devang Patel  <dpatel@apple.com>
408
409         PR tree-optimization/23048
410         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
411         third parameter. Check whether latch is dominated by exit
412         block or not.
413         (if_convertible_loop_p): Supply exit block itself to
414         if_convertible_bb_p.
415
416 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
417
418         PR target/23473
419         * arm.md (arm_load_pic_register): Change argument to the mask of
420         saved registers.  Call thumb_find_work_register if we need a
421         scratch register on Thumb.
422         (arm_expand_prologue): Pass empty register set to
423         arm_load_pic_register.
424         (thumb_expand_prologue): Pass live_regs_mask directly to
425         arm_load_pic_register.
426         * arm-protos.h (arm_load_pic_register): Update prototype.
427
428 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
429
430         * sh.c (find_sole_member): New function.
431         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
432         if the record's alignment is larger than the size of its only member.
433
434 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
435
436         PR target/23436
437         * arm.c (thumb_legitimize_reload_address): New function.
438         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
439         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
440
441 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
442
443         * config/crx/crx.c: Implement crx_decompose_address. Reject
444         symbolic displacements since CRX register relative adressing
445         mode can't handle unsigned 32-bit values as displacements.
446         * config/crx/crx.h: Simplify definitions, remove redundant
447         parenthesis and obsolete macros.
448         * config/crx/crx.opt: Add new switch for debugging addresses.
449         * config/crx/crx-protos.h: Add new declarations for above.
450
451 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
452
453         PR middle-end/20624
454         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
455         looking past it.
456
457 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
458
459         * collect2.c (dup2): Delete.
460         * configure.ac: Don't check for dup2.
461
462         * config.in, configure: Regenerate.
463
464 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
465
466         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
467         record with the type of its only member.
468
469 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
470
471         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
472         define_insn_and_split.
473         (plus_ltu<mode>_compare): Same.
474         (gtu<mode>_compare): Same.
475         (plus_gtu<mode>_compare): Same.
476
477 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
478
479         PR tree-optimization/22228
480         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
481         todo_flags_start.
482         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
483         are recorded in vect_vnames_to_rename for renaming.
484         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
485         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
486         in vect_vnames_to_rename.
487         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
488         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
489
490 2005-08-18  Jan Hubicka  <jh@suse.cz>
491
492         PR c++/22034
493         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
494         info only for local statics, not for member variables.
495
496 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
497
498         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
499
500 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
501
502         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
503
504 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
505
506         PR middle-end/16045
507         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
508
509 2005-08-17  James E Wilson  <wilson@specifix.com>
510
511         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
512         array size check.
513
514 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
515
516         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
517         (leu<mode>_compare): Same.
518         (plus_leu<mode>): Same.
519         (neg_leu<mode>): Same.
520         (and_neg_leu<mode): Same.
521         (ltu<mode>_compare): Same.
522         (plus_ltu<mode>): Same.
523         (geu<mode>): Same.
524         (geu<mode>_compare): Same.
525         (plus_geu<mode>): Same.
526         (neg_geu<mode>): Same.
527         (and_neg_geu<mode>): Same.
528         (plus_gt<mode>): Same.
529         (gtu<mode>_compare): Same.
530         (plus_gtu<mode>): Same.
531
532 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
533
534         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
535         Move call_table_data to end.  Delete spurious .text.
536         (callt_save_all_interrupt): Fix comment typo.
537
538 2005-08-17  James E Wilson  <wilson@specifix.com>
539             Kevin Winchester  <winchester@amirix.com>
540
541         PR target/21684
542         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
543
544 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
545
546         PR target/23268
547         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
548         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
549
550 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
551
552         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
553         record with the type of its only member if the modes don't match.
554
555         * varasm.c (decode_reg_name): Skip empty additional register names.
556
557 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
558
559         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
560         lsm_tmp_name_length): New.
561         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
562         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
563
564 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
565             Andreas Krebbel  <krebbel1@de.ibm.com>
566
567         * config.gcc: Added z9-109 switch.
568         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
569         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
570         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
571         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
572         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
573         for "z9_109" cpu attribute.
574         * config/s390/s390.c (z9_109_cost): New processor cost structure.
575         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
576         (s390_handle_arch_option): Added z9-109 switch.
577         (override_options): Set respective cost function for z9-109.
578         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
579         (legitimate_reload_constant_p): Accept extended immediates.
580         (print_operand): Three new output modifiers added: k, m and o.
581         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
582         (s390_output_mi_thunk): Use extended immediate when possible.
583         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
584         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
585         (CONSTRAINT_LEN): Added length of O constraint.
586         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
587         * config/s390/s390.md ("cpu"): New value z9_109 added.
588         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
589         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
590         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
591         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
592         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
593         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
594         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
595         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
596         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
597         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
598         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
599         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
600         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
601         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
602         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
603         immediates.
604         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
605         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
606         insns for TARGET_EXTIMM.
607
608 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
609
610         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
611
612 2005-08-17  Nick Clifton  <nickc@redhat.com>
613
614         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
615         Call default_encode_section_info.
616
617 2005-08-17  Steven Bosscher  <stevenb@suse.de>
618
619         PR tree-optimization/21574
620         * tree-ssa-ccp.c (likely_value): If the right hand side is a
621         constant, return CONSTANT.
622         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
623         (ccp_fold, visit_assignment): Likewise.
624         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
625
626 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
627
628         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
629         fold_buildN instead of buildN then fold_initializer or fold.
630         (build_unary_op): Likewise.
631         (build_binary_op): Likewise.
632         * fold-const.c (fold_initializer): Remove.
633         (fold_build1_initializer): New function.
634         (fold_build2_initializer): New function.
635         (fold_build3_initializer): New function.
636         * tree.h (fold_initializer): Remove.
637         (fold_build1_initializer): New function.
638         (fold_build2_initializer): New function.
639         (fold_build3_initializer): New function.
640
641 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
642
643         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
644         (try_move_mult_to_index): Call fold_build2 instead of build2.
645         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
646         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
647         fold_binary_to_constant.
648         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
649         fold (build.
650         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
651         check if A == gcd (A, B).  Remove TYPE argument.
652         (analyze_offset) Use fold_build2 instead of fold (build.
653         (create_data_ref): Likewise.
654         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
655         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
656         then fold.
657
658 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
659
660         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
661         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
662
663 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
664
665         PR tree-opt/23402
666         * gimplify.c (zero_sized_type): New function.
667         (gimplify_modify_expr_rhs): If we have a zero sized type,
668         replace the statement with an empty statement.
669
670 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
671
672         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
673         fxsave.
674
675 2005-08-16  Ian Lance Taylor  <ian@airs.com>
676
677         * doc/tm.texi (Label Output): Correct typo.
678
679 2005-08-16  Steven Bosscher  <stevenb@suse.de>
680
681         PR target/23376
682         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
683         force_operand will work later on using have_insn_for.
684
685 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
686
687         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
688
689 2005-08-16  Ian Lance Taylor  <ian@airs.com>
690
691         PR c++/23337
692         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
693         vector type, don't try to construct it element by element.  Add an
694         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
695
696 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
697
698         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
699
700 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
701
702         * doc/invoke.texi (Precompiled Headers): Document some more options
703         which are known to be safe.
704
705 2005-08-16  James E Wilson  <wilson@specifix.com>
706
707         PR tree-optimization/21105
708         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
709         TREE_OVERFLOW check.
710
711 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
712
713         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
714         (neg_ltu<mode>): Same.
715         (gtu<mode>): Same.
716         (neg_gtu<mode>): Same.
717
718 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
719
720         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
721         (fold_builtin_isdigit): Use fold_buildN.
722         (build_function_call_expr): Likewise.
723         * c-typeck.c (c_finish_loop): Likewise.
724
725 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
726             Richard Shann <rshann@superh.com>
727
728         PR middle-end/20396:
729         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
730
731 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
732
733         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
734
735 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
736
737         PR target/23355
738         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
739         arm_compure_save_reg0_reg12_mask to determine when the PIC register
740         must be saved.
741
742 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
743
744         PR middle-end/23369
745         * fold-const.c (build_range_check): Disable optimization for function
746         pointer expressions on targets that require function pointer
747         canonicalization.
748
749 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
750
751         * simplify-rtx.c (simplify_const_relational_operation): When
752         extracting arguments of a COMPARE, recompute the mode as well.
753
754 2005-08-15  Ian Lance Taylor  <ian@airs.com>
755
756         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
757
758 2005-08-15  DJ Delorie  <dj@redhat.com>
759
760         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
761         the stack.
762         (movsi_splittable): Allow, but split, moves to the stack.
763         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
764         stack.
765
766 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
767
768         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
769         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
770         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
771
772         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
773         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
774         Delete HOST_PTR_PRINTF.
775
776         * configure, config.in: Regenerate.
777
778 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
779
780         * config/rs6000/rs6000.md (QHSI): New mode macro.
781         (wd): Extend mode attr for QImode and HImode
782         (dbits): New mode attr.
783         (zero_extend<mode>di2): Convert to mode macro.
784
785 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
786
787         PR target/21841
788         * doc/invoke.texi (-mgnu-ld): Update description.
789         (-mhp-ld): Ditto.
790
791 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
792
793         PR 23391
794         * Makefile.in (tree-chrec.o): Depends on real.h.
795         * tree-chrec.c: Include real.h.
796         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
797         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
798         * tree-scalar-evolution.c (add_to_evolution_1,
799         interpret_rhs_modify_expr): Ditto.
800
801 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
802
803         PR 23386
804         * tree-data-ref.c (estimate_niter_from_size_of_data): When
805         step is negative compute the estimation from init downwards to zero.
806
807 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
808
809         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
810
811 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
812
813         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
814         constraint.
815         (legitimate_reload_constant_p): Fix handling of lliXX operands.
816         Accept double-word constants that can be split.
817         * config/s390/s390.md ("movti"): Use 'P' constraint.
818         ("*movdi_31", "*movdf_31"): Likewise.
819
820 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
821
822         Fix PR tree-optimization/22615
823
824         * tree-ssa-structalias.c (solution_set_add): Handle
825         first_vi_for_offset returning NULL.
826         (do_da_constraint): Ditto.
827         (do_sd_constraint): Ditto.
828         (do_ds_constraint): Ditto
829         (find_func_aliases): Ditto.
830         (build_constraint_graph): RHS is allowed be ANYTHING.
831         (first_vi_for_offset): Return NULL if we couldn't find anything at
832         the offset.
833
834 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
835
836         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
837         over memory as first operand.
838
839 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
840
841         PR target/23360
842         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
843         available for setting it.
844
845 2005-08-14  Ira Rosen  <irar@il.ibm.com>
846
847         PR tree-optimization/23320
848         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
849         data-refs' types instead of base object nullness. Add check for
850         pointer type data-refs before first location comparison. Remove
851         assert.
852
853 2005-08-14  Andreas Schwab  <schwab@suse.de>
854
855         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
856
857 2005-08-13  James E Wilson  <wilson@specifix.com>
858
859         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
860         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
861         -fstack-protector-all, --param ssp-buffer-size): Document.
862         (-Wvariadic-macros): Alphabetize.
863         (-fsched-stalled-insns-dep): Add missing 'f'.
864
865         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
866         macros.
867
868 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
869
870         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
871         or indirect address operand.
872         (EXTRA_ADDRESS_CONSTRAINT): New.
873         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
874
875 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
876
877         PR tree-optimization/22236
878         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
879         successors and predecessors.
880         * tree-chrec.c (chrec_convert): Before converting, check that
881         sequences don't wrap.
882         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
883         (analyze_array): Extern.
884         (find_data_references_in_loop): Remove call to
885         compute_estimated_nb_iterations.
886         * tree-data-ref.h (analyze_array): Declared.
887         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
888         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
889         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
890         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
891         condition.
892         * tree-ssa-loop-ivcanon.c: Fix documentation.
893         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
894         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
895         (infer_loop_bounds_from_undefined): New.
896         (estimate_numbers_of_iterations_loop): Use
897         infer_loop_bounds_from_undefined.
898         (used_in_pointer_arithmetic_p): New.
899         (scev_probably_wraps_p): Pass an extra parameter.  Call
900         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
901         (convert_step): Fix documentation.
902         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
903         Use initial_condition_in_loop_num and evolution_part_in_loop_num
904         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
905         scev_probably_wraps_p.
906
907 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
908
909         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
910         (s390_register_info): Ignore clobbered_regs information for fixed
911         registers, and only fixed registers.
912         (s390_init_frame_layout): Remove redundant call.
913
914 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
915
916         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
917         description of -Wold-style-casts.
918
919 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
920             Jakub Jelinek  <jakub@redhat.com>
921
922         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
923         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
924         * config/s390/s390.c (print_operand): New output modifier 'G' added.
925         (get_thread_pointer): Renamed to s390_get_thread_pointer.
926         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
927         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
928         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
929         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
930         ("stack_protect_set", "stack_protect_test"): New expanders.
931         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
932         "stack_protect_testdi"): New insn definitions.
933
934 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
935
936         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
937
938 2005-08-12  Paul Brook  <paul@codesourcery.com>
939
940         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
941
942 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
943
944         * config/s390/predicates.md (setmem_operand): New predicate.
945         (shift_count_operand): Accept ANDs with special constants as
946         operand.
947         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
948         with special constants.
949         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
950         shift_count_operand with setmem_operand.
951
952 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
953
954         * config/s390/s390.c (s390_extract_part, s390_single_part):
955         Type cast added.
956         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
957         (s390_output_mi_thunk): Don't use lg on 31 bit.
958         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
959         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
960
961 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
962
963         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
964         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
965         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
966         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
967         with one of the new macros.
968
969 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
970
971         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
972         Don't set save_return_addr_p.
973         (s390_register_info): Make clobbered_regs not depending on
974         save_return_addr_p.
975
976 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
977
978         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
979         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
980
981 2005-08-11  James E. Wilson  <wilson@specifix.com>
982
983         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
984
985 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
986
987         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
988         locations gathered by var-tracking in single entry loc_list
989         over loc_descriptor_from_tree.
990
991         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
992         pass it down to loc_descriptor.
993         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
994         (containing_function_has_frame_base): Move earlier in the file.
995         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
996         instead of always assuming fbreg can't be used.
997
998 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
999
1000         * config/rs6000/altivec.md: Change constraint "m" to "Z".
1001         * config/rs6000/predicates.md (indexed_or_indirect_operand):
1002         Accept address wrapped in AND for Altivec.
1003         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1004         Strip AND wrapping offset address for Altivec.
1005
1006 2005-08-11  Richard Henderson  <rth@redhat.com>
1007
1008         PR middle-end/23312
1009         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1010         before using TYPE_IS_SIZETYPE.
1011
1012 2005-08-11  Richard Henderson  <rth@redhat.com>
1013
1014         PR target/22225
1015         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1016         insn types not present on ev4.
1017         (alphaev5_insn_pipe): Similarly.
1018
1019 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1020
1021         PR target/23250
1022         * arm.c (arm_override_options): If the user has selected callee-super-
1023         interworking, then enable normal interworking.
1024
1025 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1026
1027         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1028         redefinition.
1029
1030 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
1031
1032         * doc/rtl.texi: Fix two typos.
1033
1034 2005-08-11  Richard Guenther  <rguenther@suse.de>
1035
1036         PR target/23289
1037         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1038         cases where we call to/from functions returning void.
1039
1040 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
1041
1042         PR c++/23225
1043         * tree.c (build_pointer_type_for_mode): Robustify.
1044
1045 2005-08-10  James E Wilson  <wilson@specifix.com>
1046
1047         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1048         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1049
1050         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1051         "cum->".
1052
1053 2005-08-10  Eric Christopher  <echristo@apple.com>
1054
1055         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1056         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1057         V2DFmode.
1058
1059 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
1060
1061         PR target/21887
1062         * config/darwin.c (machopic_indirect_data_reference): Use a new register
1063         for the high part when generating dynamic-no-pic code.
1064
1065 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1066
1067         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1068         (x86_64-*-linux*): Likewise.
1069
1070         * config/i386/crtfastmath.c: New file.
1071         * config/i386/t-crtfm: Likewise.
1072
1073         * config/i386/linux.h (ENDFILE_SPEC): New.
1074         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1075
1076         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1077         crtfastmath.o.
1078
1079 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
1080
1081         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1082         (vec_shl, vec_shr): Document new operations.
1083         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1084
1085 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
1086
1087         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1088         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1089         change predicate to indexed_or_indirect_address.
1090
1091 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1092
1093         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1094         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1095         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1096         and __aeabi_uwrite8.
1097         * config/arm/unaligned-funcs.c: New file.
1098         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1099
1100 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1101
1102         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1103         Add dump.
1104         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1105         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1106         Add dump.
1107         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1108         * final.c (pass_shorten_branches): Add dump.
1109         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1110         (pass_life): Rename dump.
1111         (rest_of_handle_flow2): Remove initial verify_flow_info.
1112         * function.c (pass_instantiate_virtual_regs): Add dump.
1113         * integrate.c (pass_initial_value_sets): Add dump.
1114         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1115         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1116         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1117         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1118         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1119         gate_rtl_unrool_and_peel_loops): New.
1120         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1121         rtl_doloop): Do not look at flags.
1122         * mode-switching.c (pass_mode_switching): Add dump.
1123         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1124         pass_split_before_regstack): Add dump.
1125         * regmove.c (pass_stack_adjustments): Add dump.
1126         * tree-optimize.c (pass_fixup_cfg): Add dump.
1127
1128 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1129
1130         PR 23309
1131         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1132         deciding which instruction sequence to use.
1133
1134 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1135
1136         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1137         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1138
1139 2005-08-09  Richard Guenther  <rguenther@suse.de>
1140
1141         * c-common.c (builtin_function_2): Remove.
1142         (def_builtin_1): New function.
1143         (c_common_nodes_and_builtins): Use def_builtin_1 to
1144         build builtin functions.
1145
1146 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1147
1148         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1149         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1150         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1151         Visual DSP.
1152
1153 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1154
1155         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1156         fold_binary instead of fold_build2 since we don't care about the
1157         resulting tree.
1158         (loop_niter_by_eval): Likewise.
1159         (compare_trees): Likewise.
1160         (proved_non_wrapping_p): Likewise.
1161
1162 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1163
1164         PR c/23161
1165         PR c/23165
1166         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1167         if the if is really empty.
1168
1169 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1170
1171         PR tree-optimization/23234
1172         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1173         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1174         argument of the new enum.
1175         (execute_cse_reciprocals): Add reciprocals for function arguments
1176         on the unique successor edge of the entry block.  Update other calls
1177         to execute_cse_reciprocals_1.
1178
1179 2005-08-08  Richard Henderson  <rth@redhat.com>
1180
1181         PR 22439
1182         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1183
1184 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1185
1186         * expr.c (write_complex_part): Return after handling MEM.
1187
1188 2005-08-08  Josh Conner  <jconner@apple.com>
1189
1190         PR rtl-optimization/23241
1191         * combine.c (simplify_comparison): Fix error in determining
1192         whether to lift a subreg from comparison.
1193
1194 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
1195
1196         PR target/18506
1197         * config/rs6000/altivec.md (vec_init<mode>): New.
1198         (vec_set<mode>): New.
1199         (vec_extract<mode>): New.
1200         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1201         (rs6000_expand_vector_set): New.
1202         (rs6000_expand_vector_extract): New.
1203         (rs6000_legitimate_offset_address_p): Offset addresses are valid
1204         for Altivec modes before reload.
1205         (altivec_expand_vec_init_builtin): New.
1206         (get_element_number): New.
1207         (altivec_expand_vec_set_builtin): New.
1208         (altivec_expand_vec_ext_builtin): New.
1209         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1210         builtins.
1211         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1212         builtins.
1213         * config/rs6000/rs6000.h (rs6000_builtins): Add
1214         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1215         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1216         * config/rs6000/rs6000-protos.h: Declare new functions.
1217
1218 2005-08-08  Jan Hubicka  <jh@suse.cz>
1219
1220         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1221         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1222         * i386.md (movdi*): Use pic_32bit_operand.
1223         * predicates.md (pic_32bit_operand): New.
1224
1225 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
1226
1227         PR c++/21166
1228         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1229
1230 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
1231
1232         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1233         (test_for_singularity): Use fold_build2.
1234
1235 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1236
1237         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1238
1239 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
1240
1241         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1242         (COMMON_ASM_OP) Define.
1243         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1244         (ix86_encode_section_info): Likewise.
1245         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1246         SUBTARGET_ENCODE_SECTION_INFO.
1247
1248 2005-08-06  Richard Henderson  <rth@redhat.com>
1249
1250         PR 21894
1251         * tree-nested.c (convert_local_reference): Save and restore val_only
1252         around component_ref and friends.  Clear walk_subtrees by default.
1253
1254 2005-08-06  Peter O'Gorman  <peter@pogma.com>
1255
1256         PR 21366
1257         * gcc.c (process_command): Check the argument to -b has a dash.
1258         * doc/invoke.texi: Update -b and -V docs.
1259
1260 2005-08-06  James E Wilson  <wilson@specifix.com>
1261
1262         * config/mips/cross64.h, config/mips/t-cross64: Delete.
1263
1264 2005-08-06  Michael Matz  <matz@suse.de>
1265
1266         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1267         member only if only one insn is associated with the value.
1268
1269 2005-08-06  Nick Clifton  <nickc@redhat.com>
1270
1271         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1272         New define.
1273         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1274         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1275         Check symbol flags instead of symbol name mangling.
1276         (xstormy16_asm_output_aligned_common): Likewise.  Also
1277         simplify code since the bss100_section cass is the only case
1278         where the below100 code will be triggered.
1279         (xstormy16_encode_section_info): Encode below100 attribute
1280         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1281         the name.
1282         (xstormy16_strip_name_encoding): Delete - this function is no
1283         longer needed.
1284         (TARGET_STRIP_NAME_ENCODING): Undefine.
1285         * config/stormy16/stormy16-protos.h: Delete prototype for
1286         xstormy16_strip_name_encoding.
1287
1288 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
1289
1290         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1291         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1292         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1293         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1294         config/alpha/predicates.md, config/arc/arc.h,
1295         config/arm/arm.h, config/arm/ieee754-df.S,
1296         config/arm/ieee754-sf.S, config/bfin/bfin.c,
1297         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1298         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1299         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1300         config/m68hc11/m68hc11.h, config/mips/mips.c,
1301         config/mips/mips.h, config/mips/openbsd.h,
1302         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1303         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1304         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1305         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1306         config/sparc/linux.h, config/sparc/linux64.h,
1307         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1308         doc/extend.texi, doc/gcov.texi, doc/install.texi,
1309         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1310         typos.  Follow spelling conventions.
1311
1312 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
1313
1314         PR c/23113
1315         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1316         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1317         specially.  Check for side effects only for COND_EXPR.
1318         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1319         return with TREE_NO_WARNING.
1320
1321 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
1322
1323         PR rtl-optimization/23233
1324         * loop.c (combine_movables): Require the modes to be the same.
1325         (move_movables): Remove handling of cases where the replacement
1326         had a different mode to the original.
1327
1328 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
1329
1330         PR tree-optimization/23128
1331         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1332         subtraction wrap, and set TREE_OVERFLOW if they do.
1333
1334 2005-08-05  Richard Henderson  <rth@redhat.com>
1335
1336         PR 21728
1337         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1338         FORCED_LABEL labels.
1339
1340 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
1341
1342         PR middle-end/23135
1343         * reload.c (find_reloads_subreg_address): Pass down TYPE
1344         unchanged.  Change all callers except find_reloads_toplev.
1345
1346 2005-08-05  Michael Matz  <matz@suse.de>
1347
1348         * genattrtab.c (current_alternative_string): Remove.
1349         (SIMPLIFY_ALTERNATIVE): Ditto.
1350         (attr_alt_bit_p): Ditto.
1351         (alternative_name): Make const char *.
1352         (evaluate_eq_attr): Remove use of above things.
1353         (simplify_test_exp): Ditto.
1354         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1355         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1356
1357 2005-08-04  James E Wilson  <wilson@specifix.com>
1358
1359         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1360         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1361         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1362         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1363         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1364
1365 2005-08-04  Richard Henderson  <rth@redhat.com>
1366
1367         PR 21529
1368         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1369         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1370         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
1371         if we'd have to instantiate too many members.
1372
1373 2005-08-04  Richard Henderson  <rth@redhat.com>
1374
1375         PR 21291
1376         * tree-outof-ssa.c (coalesce_asm_operands): New.
1377         (coalesce_ssa_name): Use it.  Split out ...
1378         (coalesce_phi_operands, coalesce_result_decls): ... these.
1379
1380 2005-08-04  Paul Brook  <paul@codesourcery.com>
1381
1382         * read-rtl.c (read_quoted_string): Break if EOF.
1383
1384 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
1385
1386         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1387         (fold_build2): Likewise.
1388         (fold_build3): Likewise.
1389         (fold_build1_stat): New function prototype.
1390         (fold_build2_stat): Likewise.
1391         (fold_build3_stat): Likewise.
1392         * fold-const.c (fold_build1): Rename to ..
1393         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1394         through to build1_stat.
1395         (fold_build2): Rename to ..
1396         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1397         through to build2_stat.
1398         (fold_build3): Rename to ..
1399         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1400         through to build3_stat.
1401
1402 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
1403             Ian Lance Taylor  <ian@airs.com>
1404
1405         * function.c (assign_stack_local_1): Do not correct stack slot
1406         address if allocation size is smaller than mode size.
1407
1408 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
1409
1410         PR 22037
1411         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1412         (tree_merge_blocks): Propagate anything allowed by
1413         may_propagate_copy.
1414         Clarify documentation.
1415         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1416         SSA form, schedule an update if necessary.
1417
1418 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
1419
1420         * doc/install.texi (Binaries): Remove broken link to
1421         Sinix/Reliant Unix binaries.
1422
1423 2005-08-03  Richard Henderson  <rth@redhat.com>
1424
1425         PR 23221
1426         * function.c (stack_protect_epilogue): Export.
1427         * tree.h (stack_protect_epilogue): Declare.
1428         * calls.c (expand_call): Call it.
1429
1430 2005-08-03  Eric Christopher  <echristo@apple.com>
1431
1432         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1433         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1434         spec.
1435
1436 2005-08-04  Jan Hubicka  <jh@suse.cz>
1437
1438         * profile.c (branch_prob): Split edges with goto locus on them
1439         to get proper line counts.
1440         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1441
1442 2005-08-03  Paul Brook  <paul@codesourcery.com>
1443
1444         * function.c (assign_parms): Round current_function_args_size
1445         to PARM_BOUNDARY, not STACK_BOUNDARY.
1446
1447 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
1448
1449         * config/i386/i386.c (x86_elf_aligned_common)
1450         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1451
1452 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
1453
1454         PR tree-optimization/23157
1455         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1456         before emitting them.
1457
1458 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1459
1460         PR tree-optimization/19899
1461         * Makefile.in (tree-scalar-evolution.o): Add real.h.
1462         * tree-scalar-evolution.c: Include real.h.
1463         (add_to_evolution): Build constant -1 of correct type.
1464
1465 2005-08-03  Jan Hubicka  <jh@suse.cz>
1466
1467         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1468         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1469         profile updating for complette unrolling.
1470         * loop-unroll.c (peel_loop_completely): Use it.
1471         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1472         (tree_unroll_loops_completely): Disable code growing unrolling of cold
1473         loops.
1474
1475 2005-08-03  Paul Brook  <paul@codesourcery.com>
1476
1477         * combine.c (can_change_dest_mode): New function.
1478         (try_combine, simplify_set): Use it.
1479
1480 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
1481
1482         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1483         TFmode to BLKmode.
1484
1485 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
1486
1487         * doc/install.texi (Specific): Adjust link to openavr.org.
1488         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1489         (Binaries): Adjust HP-UX Porting Center link.
1490         (Binaries): Adjust Free Software Foundation ordering link.
1491
1492 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
1493
1494         * convert.c (convert_to_integer): Use fold_build1 instead of
1495         build1 when converting an integer to an integer.
1496
1497 2005-08-02  Richard Henderson  <rth@redhat.com>
1498
1499         * combine.c (combine_instructions): Don't use reg_equal/equiv
1500         results if the mode doesn't match.
1501
1502 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
1503
1504         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1505         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1506
1507 2005-08-02  Richard Henderson  <rth@redhat.com>
1508
1509         PR 23196
1510         * explow.c (memory_address): Remove special-case for
1511         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1512
1513 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
1514
1515         PR 23164
1516         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1517         number of calls to cleanup_tree_cfg_1.
1518
1519 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
1520
1521         * doc/invoke.texi: document file extensions .F90 and .F95
1522
1523 2005-08-02  Richard Guenther  <rguenther@suse.de>
1524
1525         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1526         positive if its first argument is positive.
1527
1528 2005-08-02  Richard Guenther  <rguenther@suse.de>
1529
1530         PR tree-optimization/23177
1531         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1532         on TMR_TAG.
1533
1534 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
1535
1536         PR tree-optimization/23129
1537         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1538         varying for divisions with anti-ranges.
1539
1540 2005-08-02  Jan Hubicka  <jh@suse.cz>
1541
1542         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1543         * tree-ssa-threadupdate.c (thread_block): Add it here.
1544
1545 2005-08-01  James E Wilson  <wilson@specifix.com>
1546
1547         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1548         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1549         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1550         New.
1551         * config/mips/predicates.md (const_call_insn_operand): Add check for
1552         SYMBOL_REF_LONG_CALL_P.
1553         * doc/extend.texi (long_call): Document the new attribute.
1554
1555 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1556             Richard Henderson  <rth@redhat.com>
1557
1558         * Makefile.in (RTL_BASE_H): Add real.h.
1559         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1560         instead of memcpy.
1561         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1562         directly.
1563         * rtl.c (rtl_check_failed_code_mode): New.
1564         * rtl.h (struct rtx_def): Add u.rv.
1565         (XCMWINT, XCNMPRV): New.
1566         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1567         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1568
1569 2005-08-01  Richard Henderson  <rth@redhat.com>
1570
1571         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1572         with auto-inc codes.
1573
1574         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1575
1576 2005-08-01  Jan Hubicka  <jh@suse.cz>
1577
1578         * i386-protos.h (asm_preferred_eh_data_format): Declare.
1579         * i386.c: Include dwarf2.h
1580         (asm_preferred_eh_data_format): New.
1581         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1582
1583 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1584
1585         * config/host-linux.c (linux_gt_pch_get_address): Add new name
1586         randomize_va_space for virtual address randomization control.
1587
1588 2005-08-01  Steven Bosscher  <stevenb@suse.de>
1589
1590         * common.opt (flag_ipa_cp): Put in right place to maintain
1591         alphabetic sort.
1592
1593 2005-08-01  Jan Hubicka  <jh@suse.cz>
1594
1595         * profile.c (compute_value_histograms): Fix thinko.
1596         * value-prof.c: Include toplev.h
1597         (check_counter): New function.
1598         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1599         tree_mod_subtract_transform): Add sanity check.
1600
1601 2005-08-01  Richard Guenther  <rguenther@suse.de>
1602
1603         PR tree-optimization/23133
1604         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1605         current functions parameter decls to find defs to cse
1606         reciprocals of.
1607
1608 2005-08-01  Richard Guenther  <rguenther@suse.de>
1609
1610         PR tree-optimization/23109
1611         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1612         If trapping math is in effect, use post-dominator information
1613         to check if we'd in any case reach a trapping point before
1614         doing the reciprocal insertion.
1615         (execute_cse_reciprocals): Compute post-dominators, if necessary.
1616         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1617         expressions are invariant only if trapping math is not in effect.
1618
1619 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1620
1621         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1622         cgraph_function_versioning): New declarations.
1623         * cgraphunit.c: Add include to ipa-prop.h.
1624         (update_call_expr, cgraph_copy_node_for_versioning,
1625         cgraph_function_versioning): New functions.
1626         * integrate.c (copy_decl_for_inlining): Remove.
1627         * ipa-prop.h (ipa_replace_map): New struct.
1628         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1629         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1630         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1631         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1632         ipcp_iterate_stage, ipcp_method_scale_print,
1633         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1634         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1635         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1636         ipcp_update_bb_counts, ipcp_update_profiling,
1637         ipcp_update_edges_counts): New functions.
1638         (ipcp_method_cval_init): Remove restriction regarding local methods.
1639         (ipcp_init_stage): Add ipcp_method_compute_scale.
1640         (ipcp_insert_stage): Add versioning.
1641         (ipcp_structures_print): Add ipcp_method_scale_print.
1642         (ipcp_driver): Dump profiling info.
1643         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1644         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1645         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1646         (struct inline_data): Add versioning_p, ipa_info, new fields.
1647         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1648         declare_return_variable): Replace calls to copy_decl_for_inlining with
1649         copy_decl_for_dup.
1650         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1651         versioning support.
1652         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1653         Add argument VERSIONING.
1654         (copy_arguments_for_versioning, copy_static_chain,
1655         function_versionable_p, tree_versionable_function_p,
1656         tree_function_versioning, replace_ref_tree): New functions.
1657         * tree-inline.h: Include varray.h.
1658         (tree_versionable_function_p,  tree_function_versioning,
1659         tree copy_decl_for_dup): New declarations.
1660
1661 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1662
1663         * ipa-cp.c: New file. Contains IPCP specific functionality.
1664         * ipa-prop.h: New file. Contains structures/definitions that can be
1665         used by several interprocedural data flow optimizations (and also IPCP).
1666         * ipa-prop.c: New file.
1667         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1668         * common.opt: Add ipa-cp flag.
1669         * timevar.def: Add IPCP optimization.
1670         * tree-optimize.c (init_tree_optimization_passes): Schedule
1671         pass_ipa_cp.
1672         * tree-pass.h (pass_ipa_cp): Declare.
1673
1674 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
1675
1676         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1677         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1678         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1679         config/i386/i386.c, config/mips/mips.h,
1680         config/rs6000/rs6000.h, config/sh/sh.c,
1681         config/stormy16/stormy16.c: Fix comment typos.
1682
1683 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
1684
1685         PR c/22311
1686         * c-typeck.c (build_binary_op): Use common_type wrapper on
1687         shortened types.
1688         (common_type): Update comment.
1689
1690 2005-07-31  Steven Bosscher  <stevenb@suse.de>
1691
1692         PR target/23095
1693         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1694         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1695         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1696
1697 2005-07-31  Jan Hubicka  <jh@suse.cz>
1698
1699         * pretty-print.h (pp_widest_integer): New macro.
1700         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1701         counts.
1702
1703 2005-07-31  Jan Hubicka  <jh@suse.cz>
1704
1705         * output.h (enum section_category): Export from varasm.c
1706         (categorize_decl_for_section): Likewise.
1707         * varasm.c (enum section_category): Kill.
1708         (categorize_decl_for_section): Make global.
1709         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1710         Declare.
1711         * i386.c (ix86_section_threshold): New static variable.
1712         (ix86_in_large_data_p, ix86_encode_section_info,
1713         x86_64_elf_unique_section,
1714         x86_64_elf_select_section): New functions.
1715         (TARGET_ENCODE_SECTION_INFO): Define
1716         (override_options): Enable medium model for PIC.
1717         (ix86_expand_prologue): Expand gen_set_got_rex64.
1718         (legitimate_constant_p): Handle new UNSPECs.
1719         (legitimate_pic_address_disp_p): Likewise.
1720         (legitimize_pic_address): Lower MEDIUM model addressing.
1721         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1722         (enum cmodel): Add MEDIUM_PIC.
1723         (SYMBOL_REF_FAR_ADDR_P): New macro.
1724         (SYMBOL_FLAG_FAR_ADDR): New flag.
1725         * i386.md (movdi): Support medium model.
1726         (set_got_rex64): New pattern.
1727         * i386.opt (mlarge-data-threshold): New flag.
1728         * predicates.md (zext_operand/sext_operand): Deal with medium model.
1729         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1730         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1731         TARGET_ASM_UNIQUE_SECTION): New.
1732
1733         * invoke.texi (-mlarge_data_threshold): Document
1734
1735 2005-07-31  Jan Hubicka  <jh@suse.cz>
1736
1737         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1738         (coalesce_vars): Likewise.
1739         * tree-ssa-live.c (coalesce_cost): New.
1740         (build_tree_conflict_graph): Use coalesce_cost.
1741         * tree-ssa-live.h (coalesce_cost): Declare.
1742
1743 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1744
1745         * arm.md (all peepholes for post-increment operations): Delete.
1746         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1747         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1748         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1749         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1750         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1751
1752 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
1753
1754         * fold-const.c (tree_expr_nonnegative_p): Always return true for
1755         non-integral types.
1756
1757 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
1758
1759         PR target/22582
1760         * doc/invoke.texi: Document -rdynamic.
1761
1762 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
1763
1764         PR c/23143
1765         * c-parser.c (c_parser_parms_list_declarator): Call
1766         mark_forward_parm_decls.
1767         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1768         decls with visibility structure.
1769
1770 2005-07-30  Paul Brook  <paul@codesourcery.com>
1771
1772         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1773
1774 2005-07-30  Paul Brook  <paul@codesourcery.com>
1775
1776         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1777         prototype.
1778         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1779         value for mode.
1780         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1781
1782 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1783
1784         PR c/529
1785         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1786         nested function declarators.
1787         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1788         (grokparms): Call warn_if_shadowing for parameters used within the
1789         parameter list.
1790         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1791         not used within the parameter list.
1792         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1793
1794 2005-07-30  Jan Hubicka  <jh@suse.cz>
1795
1796         * expr.c (expand_expr_real_1): Do not load mem targets into register.
1797         * i386.c (ix86_fixup_binary_operands): Likewise.
1798         (ix86_expand_unary_operator): Likewise.
1799         (ix86_expand_fp_absneg_operator): Likewise.
1800         * optabs.c (expand_vec_cond_expr): Validate dest.
1801
1802 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1803
1804         PR c/21720
1805         * real.c (real_from_string): Also set last bit if there is a
1806         nonzero hex digit beyond GCC's internal precision after ".".
1807
1808 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
1809
1810         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1811         define_constants.  Change duplicate values to unassigned numbers.
1812         Change UNSPEC_SUBS to UNSPEC_VSUBS.
1813         (*altivec_vspltsf): New.
1814         (altivec_vperm_v4sf): Delete.
1815         (altivec_vperm_<mode>): Use mode macro V.
1816         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1817         (altivec_predicate_v4sf): Delete.
1818         (altivec_predicate_<mode>): Use mode macro V.
1819         (*altivec_lvesfx): New.
1820         (*altivec_stvesfx): New.
1821         (vec_realign_load_v4sf): Delete.
1822         (vec_realign_load_<mode>): Use mode macro V.
1823         * config/rs6000/rs6000.c (generate_set_vrsave): Use
1824         UNSPECV_SET_VRSAVE.
1825
1826 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
1827
1828         PR bootstrap/23131
1829         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1830         string.
1831         * configure: Regenerated.
1832
1833 2005-07-29  Paul Brook  <paul@codesourcery.com>
1834
1835         * doc/install.texi: Add link to GFortran binaries wiki page.
1836
1837 2005-07-29  David Ung  <davidu@mips.com>
1838
1839         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1840         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1841         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1842         * config/mips/mips.md (cpu): Add 5kf name.
1843         (includes): Includes 5k.md.
1844         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1845         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1846         -march flag.
1847
1848 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1849
1850         PR 22550
1851         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1852         (cleanup_tree_cfg): ... here.
1853         Call cleanup_tree_cfg_1 until there are no more cleanups to
1854         do.
1855
1856 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
1857
1858         * tree-vrp.c (compare_range_with_value): Return true or false
1859         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1860         EQ_EXPR respectively.
1861
1862 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
1863
1864         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1865         Fix comment typos.
1866
1867 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1868
1869         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1870         (tree_ssa_dominator_optimize): Increment it.
1871         (dump_dominator_optimization_stats): Print it.
1872
1873 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
1874             Steven Bosscher  <stevenb@suse.de>
1875
1876         PR rtl-optimization/23117
1877         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1878         when head == tail.  Tidy comment.
1879
1880 2005-07-28  Richard Henderson  <rth@redhat.com>
1881
1882         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1883         * cselib.c (rtx_equal_for_cselib_p): Likewise.
1884         * jump.c (rtx_renumbered_equal_p): Likewise.
1885         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1886         CONST_INT and CONST_DOUBLE.
1887         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1888         * reload.c (operands_match_p): Special case CONST_INT and
1889         CONST_DOUBLE; check mode earlier.
1890
1891 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1892
1893         PR c/22240
1894         * c-typeck.c (convert_for_assignment): Do not check
1895         DECL_IN_SYSTEM_HEADER on NULL fundecl.
1896
1897 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1898
1899         PR c/22192
1900         * c-typeck.c (composite_type): Prefer constant size arrays to
1901         VLAs.
1902
1903 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1904
1905         PR c/21720
1906         * real.c (real_from_string): Set last bit if there is a nonzero
1907         hex digit beyond GCC's internal precision.
1908
1909 2005-07-28  Richard Henderson  <rth@redhat.com>
1910
1911         PR rtl-opt/22619
1912         * cfgcleanup.c (try_forward_edges): Watch out for end of
1913         insn chain.
1914
1915 2005-07-28  James E Wilson  <wilson@specifixinc.com>
1916
1917         PR c/23106
1918         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1919
1920 2005-07-28  Jan Hubicka  <jh@suse.cz>
1921
1922         * Makefile.in (rtl-profile.o): Kill all traces of it.
1923         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1924         * coverage.h (rtl_coverage_counter_ref): Kill.
1925         * opts.c (flag_speculative_prefetching_set): Kill.
1926         (flag_loop_optimize_set): New.
1927         (common_handle_option): Disable loop optimizer when profiling;
1928         do not handle speculative prefetching.
1929         * passes.c (init_optimization_passes): Replace pass_profiling combo
1930         by branch_prob pass.
1931         * profile.c (compute_value_histograms): Update for simplified value
1932         profiles.
1933         (rtl_register_profile_hooks): Kill.
1934         (pass_profiling): Kill.
1935         (rest_of_handle_branch_prob): Do not profile.
1936         * toplev.c (process_options): Remove speculative prefetching.
1937         * toplev.h (flag_tree_based_profiling): Kill.
1938         * tree-profile.c (prepare_instrumented_value,
1939         tree_gen_interval_profiler, tree_gen_pow2_profiler,
1940         tree_gen_one_value_profiler, do_tree_profiling): Update for
1941         simplified datastructures.
1942         * value-prof.c: Add comment that speculative prefetching was dropped;
1943         update rest of file for simplified datastructures.
1944         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
1945         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
1946         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
1947         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
1948         rtl_mod_subtract, gen_speculative_prefetch,
1949         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
1950         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
1951         (gate_handle_value_profile_transformations,
1952         rest_of_handle_value_profile_transformations,
1953         pass_value_profile_transformations): Kill.
1954         * value-prof.h (histogram_value_t): Remove IL based unions.
1955         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
1956         rtl_profile_hooks): Remove hooks.
1957
1958         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
1959
1960         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
1961         (cgraph_clone_node): Likewise.
1962         * cgraph.h (cgraph_clone_edge): Update prototype.
1963         (cgraph_clone_node): Likewise.
1964         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1965         cgraph_clone_node.
1966         (lookup_recursive_calls): Consider profile.
1967         (cgraph_decide_recursive_inlining): Fix updating; use new
1968         probability argument; use profile.
1969         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
1970         * tree-inline.c (copy_bb): Update clal of clone_edge.
1971         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
1972
1973         * invoke.texi (min-inline-recursive-probability): Document.
1974
1975 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
1976
1977         * doc/install.texi (Configuration): Update Valgrind homepage.
1978
1979 2005-07-28  Richard Henderson  <rth@redhat.com>
1980
1981         PR middle-end/21362
1982         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
1983         labels we want to delete.
1984         (cfg_layout_merge_blocks): Likewise.
1985
1986 2005-07-28  Richard Henderson  <rth@redhat.com>
1987
1988         PR target/17692
1989         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
1990         when expanding to nothing.
1991
1992 2005-07-28  Josh Conner  <jconner@apple.com>
1993
1994         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
1995         (cgraph_decide_inlining_of_small_functions): Likewise.
1996
1997 2005-07-28  Josh Conner  <jconner@apple.com>
1998
1999         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
2000         direction of badness if negative.
2001         (cgraph_default_inline_p): Add reason to parameters, and assign it
2002         a value.
2003         (cgraph_decide_inlining_of_small_functions): New parameter in call
2004         to cgraph_default_inline_p.
2005         (cgraph_decide_inlining_incrementally): Likewise.
2006         * cgraphunit.c (decide_is_function_needed): Likewise.
2007         * cgraph.h (cgraph_default_inline_p): Likewise.
2008
2009 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2010
2011         * builtins.c: Fix comment typo(s).
2012         * genautomata.c: Likewise.
2013         * gimplify.c: Likewise.
2014         * tree-dfa.c: Likewise.
2015         * tree-flow-inline.h: Likewise.
2016         * tree-into-ssa.c: Likewise.
2017         * tree-ssa-alias.c: Likewise.
2018         * tree-ssa-ccp.c: Likewise.
2019         * tree-ssa-copy.c: Likewise.
2020         * tree-ssa-dce.c: Likewise.
2021         * tree-ssa-dom.c: Likewise.
2022         * tree-ssa-operands.c: Likewise.
2023         * tree-tailcall.c: Likewise.
2024         * tree-vectorizer.c: Likewise.
2025         * tree-vrp.c: Likewise.
2026         * tree.c: Likewise.
2027
2028 2005-07-28  Jeff Law  <law@redhat.com>
2029
2030         * tree-vrp.c (test_for_singularity): Extracted from  ...
2031         (simplify_cond_using_ranges): Attempt to simplify a relational
2032         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
2033
2034 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
2035
2036         PR tree-optimization/22506
2037         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2038         phis whose argument is constant.
2039
2040 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
2041
2042         PR rtl-optimization/18992
2043         Back out this patch:
2044           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2045           PR optimization/12142
2046           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2047           uses of the register in the SET_SRC.  Remove unnecessary argument.
2048
2049         Replace it with this:
2050         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2051         if flag_non_call_exceptions is set and the insn may trap, pass
2052         pc_rtx as dest for recursion.
2053         In SET_SRC part of SET case, if dest is already set, pass it down
2054         unchanged.
2055
2056 2005-07-28  Jan Hubicka  <jh@suse.cz>
2057
2058         * cfg.c (update_bb_profile_for_threading): Use RDIV.
2059         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2060         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2061         roundoff errors.
2062         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2063         profile when available.
2064
2065 2005-07-28  Jan Beulich <jbeulich@novell.com>
2066
2067         * config/ia64/ia64.c (ia64_load_pair_ok): New.
2068         (ia64_print_operand): Describe and handle 'X'.
2069         (ia64_register_move_cost): Also handle FP_REGS.
2070         (ia64_preferred_reload_class): Likewise.
2071         (ia64_secondary_reload_class): Likewise.
2072         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2073         it. Also check for ITANIUM_CLASS_FLDP.
2074         * config/ia64/ia64.h (FP_REGNO_P): New.
2075         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2076         (reg_class): Add FP_REGS.
2077         (REG_CLASS_NAMES): Adjust for it.
2078         (REG_CLASS_CONTENTS): Likewise.
2079         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2080         (REG_CLASS_FROM_LETTER): Handle 'x'.
2081         (CLASS_MAX_NREGS): Handle FP_REGS.
2082         (MEMORY_MOVE_COST): Likewise.
2083         * config/ia64/ia64.md (itanium_class): Add fldp.
2084         (type): Handle fldp.
2085         (movti_internal): More allowable operand combinations. Use ldfp8 when
2086         splitting unnecessary. Remove predicable attribute. Adjust
2087         itanium_class attribute.
2088         (smuldi3_highpart): Remove outdated comment.
2089         (mulditi3, umulditi3, rotlti3): New expanders.
2090         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2091         (absti2): Disabled new insn for future reference.
2092         Respective new splitters.
2093         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2094         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2095         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2096
2097 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2098
2099         PR rtl-optimization/23047
2100         * simplify-rtx.c (simplify_const_relational_operation): Respect
2101         flag_wrapv for comparisons with ABS.
2102
2103 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2104
2105         PR tree-optimization/22493
2106         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2107         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2108
2109 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2110
2111         * config/frv/frv.opt (moptimize-membar): New.
2112
2113         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2114
2115         * config/frv/frv.h: Remove machine_function definition.
2116
2117         * config/frv/frv.c (struct frv_io): New.
2118         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2119         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2120         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2121         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2122         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2123         (frv_reorg): Call frv_optimize_membar when appropriate.
2124         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2125         (frv_expand_builtin): Adjust calls accordingly.
2126         (frv_io_address_cookie): New function.
2127         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2128         load or store rather than a special insn.  Add ccnstant address and
2129         io-type operands to the membar.
2130         (frv_ifcvt_modify_tests): Unsign regno.
2131         (frv_ifcvt_modify_tests): Same.
2132
2133         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2134         UNSPEC_OPTIONAL_MEMBAR constant.
2135         (builtin_read_<mode>): Delete.
2136         (builtin_write_<mode>): Delete.
2137         ("optional_membar_<mode>"): Add operand.
2138
2139         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2140         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2141         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2142         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2143         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2144         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2145         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2146         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2147         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2148
2149 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2150
2151         * df.c (df_uses_record): Handle SCRATCH.
2152
2153 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2154
2155         PR debug/20161
2156         * passes.c (rest_of_decl_compilation): If decl is a type and
2157         we have encountered errors, don't emit debug information.
2158
2159 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2160
2161         * params.def: Fixed comment.
2162
2163 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2164
2165         PR target/19885
2166         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2167         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2168         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2169
2170 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2171
2172         PR c++/22003
2173         * varasm.c (assemble_start_function): Don't do anything that may
2174         require a CFG if the current function is a thunk.
2175
2176 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2177
2178         * doc/install.texi (Prerequisites): Mention that perl is needed
2179         to do export control in libstdc++ targetting Darwin.
2180
2181 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2182
2183         PR rtl-optimization/17808
2184         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2185         (sched_insns_conditions_mutex_p): Split out from...
2186         (add_dependence): ...here.  But don't call it from here.
2187         (add_dependence_list): Check sched_insns_conditions_mutex_p
2188         before calling add_dependence.
2189         (add_dependence_list_and_free): Likewise.
2190         (fixup_sched_groups): Likewise.
2191         (sched_analyze_1): Likewise.
2192         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2193         (sched_analyze): Likewise.
2194         (sched_analyze_insn): Likewise.
2195         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2196         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
2197         dependencies on all COND_EXEC insns to jumps ending basic blocks
2198         when doing intrablock scheduling.
2199         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2200
2201 2005-07-27  Jeff Law  <law@redhat.com>
2202
2203         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2204         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
2205         equivalency sets, correctly handle the case were vr0 has an
2206         equivalency set, but vr1 does not.
2207
2208 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
2209
2210         PR tree-optimization/23073
2211         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2212         vect_print_dump_info before fprintf.
2213
2214 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2215
2216         PR tree-optimize/22348
2217         * tree-ssa-loop-niter.c (number_of_iterations_cond):
2218         Fold the partial computation.
2219
2220 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2221
2222         PR tree-optimization/22325
2223         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2224         Declare.
2225         * tree-scalar-evolution.c (scev_const_prop): Add generic final
2226         value replacement.
2227         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2228         (force_var_cost): ... this function.
2229         (compute_phi_arg_on_exit): Export.
2230
2231 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2232
2233         PR tree-optimization/20773
2234         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2235         edge.
2236
2237 2005-07-27  Richard Guenther  <rguenther@suse.de>
2238
2239         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2240         Avoid pushing again if current struct contains only
2241         fields we decomposed.
2242
2243 2005-07-27  Jan Hubicka  <jh@suse.cz>
2244
2245         PR tree-optimization/22574
2246         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2247         not available.
2248
2249         * tree-tailcall.c (decrease_profile): New function.
2250         (eliminate_tail_call): Use it.
2251
2252         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2253         visibility flags correctly in whole program mode.
2254
2255 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
2256
2257         PR rtl-optimization/22472
2258         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2259
2260 2005-07-26  Steven Bosscher  <stevenb@suse.de>
2261
2262         PR tree-optimization/22504
2263         * tree-complex.c (expand_complex_addition): Use 'code' instead
2264         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2265
2266 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2267
2268         * config.gcc (cpu_type): Add frv case.
2269         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2270         (supported_defaults): Add fr550 case.
2271
2272 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
2273
2274         PR 22591
2275         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2276         whether a pointer of type T * may point to objects of type T *.
2277
2278 2005-07-26  DJ Delorie  <dj@redhat.com>
2279
2280         * configure: Regenerate.
2281
2282 2005-07-26  Dale Johannesen  <dalej@apple.com>
2283
2284         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
2285
2286 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
2287
2288         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2289         Clarify use of "build" in name.
2290
2291 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2292
2293         * doc/extend.texi (Raw read/write Functions): New section.
2294         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2295         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2296         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2297         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2298         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2299         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2300         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2301         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2302         * config/frv/frv.c: Add bdesc_loads global.
2303         Add bdesc_stores global.
2304         (frv_init_builtins): Add support for __builtin_{read/write}*.
2305         (frv_volatile_memref): New.
2306         (frv_expand_load_builtin): New.
2307         (frv_expand_store_builtin): New.
2308         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2309         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2310         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2311         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2312         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2313         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2314         (builtin_read_<mode>): New.
2315         (builtin_write_<mode>): New.
2316         (builtin_write64): New.
2317         (optional_membar_<mode>): New.
2318
2319 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
2320
2321         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2322         (rather than units) against HOST_BITS_PER_WIDE_INT.
2323
2324 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
2325
2326         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2327         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2328         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2329         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2330         FSF address.
2331
2332         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2333         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2334         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2335         comment typos.
2336         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2337
2338 2005-07-26  Richard Guenther  <rguenther@suse.de>
2339
2340         PR tree-optimization/22486
2341         * fold-const.c (fold_unary): Fold away useless component
2342         references of the form (T *)&T.x, if the address
2343         doesn't change.
2344
2345 2005-07-25  James E Wilson  <wilson@specifixinc.com>
2346
2347         * dwarf2out.c (add_call_src_coords_attributes): New.
2348         (gen_inlined_subroutine_die): Call it.
2349         (maybe_emit_file, init_file_table): Add comments.
2350         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2351         maybe_emit_file.
2352         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2353         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2354         * tree.h (BLOCK_SOURCE_LOCATION): New.
2355         (struct tree_block): New field locus.
2356
2357 2005-07-26  Andreas Schwab  <schwab@suse.de>
2358
2359         PR rtl-optimization/23043
2360         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2361         when allocating a struct unoccr.
2362
2363 2005-07-25  Richard Henderson  <rth@redhat.com>
2364
2365         PR 22626
2366         * tree-complex.c (gate_no_optimization): True if errors.
2367         * Makefile.in (tree-complex.o): Update dependencies.
2368
2369 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
2370
2371         * config/frv/predicates.md (integer_register_operand): Use
2372         GPR_AP_OR_PSEUDO_P.
2373
2374 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2375
2376         PR tree-opt/22484
2377         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2378         after fold.
2379         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2380
2381 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2382
2383         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2384         types when flag_unsafe_math_optimizations is true.
2385
2386 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
2387
2388         * gcc.c (option_map): Add --sysroot.
2389         (process_command): Handle --sysroot.
2390         (display_help): Document it.
2391         * doc/cppopts.tex (-isysroot): Document.
2392         * doc/invoke.texi (--sysroot): Document.
2393         * doc/install.texi (--with-build-sysroot): Document.
2394
2395         * Makefile.in (inhibit_libc): New variable.
2396         (INHIBIT_LIBC_CFLAGS): Likewise.
2397         (LIBGCC2_CFLAGS): Include
2398         $(INHIBIT_LIBC_CFLAGS).
2399         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2400         ($(T)crtbegin.o): Do not use @inhibit_libc@.
2401         ($(T)crtend.o): Likewise.
2402         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2403         ($(T)crtendS.o): Likewise.
2404         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2405         ($(T)crtendT.o): Likewise.
2406         (stmp-fixinc): Do not complain about missing headers if
2407         inhibit_libc.
2408         * configure.ac (inhibit_libc): Set it to true/false.
2409         (--with-build-sysroot): New option.  Use it to set
2410         SYSTEM_HEADER_DIR.
2411         * configure: Regenerated.
2412
2413 2005-07-25  Manfred Hollstein  <mh@suse.com>
2414
2415         * calls.c (store_one_arg): Fix unsigned comparison warning.
2416
2417 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2418
2419         PR other/22337
2420         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2421         (ggc_print_statistics): Initialize variable before use.
2422
2423 2005-07-25  Richard Guenther  <rguenther@suse.de>
2424
2425         * tree-dfa.c (mark_new_vars_to_rename): Protect against
2426         calling with a PHI_NODE argument.
2427
2428         * tree-flow-inline.h (overlap_subvar): Protect against
2429         possible overflow.
2430
2431 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
2432
2433         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2434         * configure: Regenerate.
2435
2436 2005-07-25  Ira Rosen  <irar@il.ibm.com>
2437
2438         * expr.c (highest_pow2_factor): Make extern.
2439         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2440         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2441         record_array_differ_p, array_ptr_differ_p): Likewise.
2442         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2443         additional cases. Call the above functions.
2444         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2445         base_object_differ_p when there are two base objects. Otherwise, compare
2446         base address and offset. Call may_alias_p.
2447         (dump_data_reference): Use a correct field name.
2448         (analyze_array): Make static. Initialize new data-ref fields.
2449         (analyze_indirect_ref): New function.
2450         (init_data_ref): Initialize new data-ref fields.
2451         (strip_conversion): Moved from tree-vect-analyze.c.
2452         (analyze_offset_expr, get_ptr_offset, address_analysis,
2453         object_analysis): Likewise.
2454         (analyze_offset): New function.
2455         (create_data_ref): Likewise.
2456         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2457         dimensions for ARRAY_REFs only.
2458         (build_classic_dist_vector): Make static.
2459         (access_functions_are_affine_or_constant_p): Call macro to get the
2460         address of access functions.
2461         (compute_all_dependences): Add new parameter
2462         compute_self_and_read_read_dependences. Compute self and read-read
2463         dependences if it is true.
2464         (find_data_references_in_loop): Call create_data_ref. Initialize new
2465         data-ref fields.
2466         (compute_data_dependences_for_loop): Add new parameter
2467         compute_self_and_read_read_dependences. Remove parameter nb_loops,
2468         compute nb_loops. Call compute_all_dependences,
2469         build_classic_dist_vector and build_classic_dir_vector with correct
2470         parameters.
2471         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2472         with correct parameters. Compare dimensions for ARRAY_REFs only.
2473         (free_data_refs): Call macro to free access functions.
2474         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2475         fields from stmt_vinfo.
2476         (struct base_object_info): New structure.
2477         (struct data_reference): Move fields to base_object_info. Add fields
2478         first_location and object_info for above structures. Move fields from
2479         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2480         aligned_to.  Add macros to access the new fields.
2481         Update functions declarations.
2482         * tree-flow.h (is_aliased_with): Declare.
2483         * tree-loop-linear.c (linear_transform_loops): Call
2484         compute_data_dependences_for_loop with correct parameters.
2485         * tree-ssa-alias.c (is_aliased_with): New function.
2486         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2487         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2488         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2489         vect_base_addr_differ_p, compute_subscript_distance and
2490         build_classic_dist_vector. Add printings. Check absolute value of
2491         distance.
2492         (vect_analyze_data_ref_dependences): Go through ddrs instead of
2493         data-refs.
2494         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2495         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2496         to bytes. Add printing.
2497         (vect_compute_data_refs_alignment): Go through loads and stores in one
2498         loop.
2499         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2500         vect_analyze_data_ref_access): Likewise.
2501         (vect_analyze_pointer_ref_access): Remove.
2502         (vect_address_analysis, vect_object_analysis): Likewise.
2503         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2504         and analyze data-refs in the loop.
2505         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2506         fields of data-ref instead of stmt. Add init to the offset from the
2507         base.
2508         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2509         (vect_update_init_of_dr): Likewise.
2510         (vect_update_inits_of_drs): Go through loads and stores in one loop.
2511         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2512         removed fields.
2513         (new_loop_vec_info): Initialize new fields.
2514         (destroy_loop_vec_info): Free new fields.
2515         (vect_strip_conversion): Remove.
2516         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2517         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2518         datarefs. Add new field ddrs.
2519         Add macros for the new fields access.
2520         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2521         base_aligned_p, misalignment, memtag, ptr_info and subvars.
2522         Remove their macros.
2523         * tree.h (highest_pow2_factor): Declare.
2524
2525 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
2526
2527         * calls.c (store_one_arg): Check for sibling call MEM arguments
2528         from already clobbered incoming argument area.
2529
2530 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2531
2532         * c-common.c (check_missing_format_attribute): New.
2533         * c-common.h (check_missing_format_attribute): Likewise.
2534         * c-typeck.c (convert_for_assignment): Use it.
2535
2536 2005-07-24  Andreas Schwab  <schwab@suse.de>
2537
2538         * config/m68k/m68k.md ("extendqidi2"): When source is an address
2539         register use a word move.  Correct operand of ext.w in 68000 code.
2540
2541 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
2542
2543         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2544         variables as declarations, rather than definitions.
2545
2546 2005-07-24  Ira Rosen  <irar@il.ibm.com>
2547
2548         PR tree-optimization/22526
2549         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2550         of the zero node.
2551
2552 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2553
2554         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2555         that C99 reserve for future use. Use it to define clog10,
2556         clog10f and clog10l.
2557
2558 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2559
2560         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2561         * configure.ac: Check for -Wmissing-format-attribute.
2562
2563         * configure: Regenerate.
2564
2565 2005-07-23  Richard Henderson  <rth@redhat.com>
2566
2567         PR tree-optimization/22623
2568         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2569
2570 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
2571
2572         PR target/22577
2573         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2574
2575 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2576
2577         * Makefile.in (C_TREE_H): Update dependencies.
2578         * c-tree.h: Include toplev.h.
2579         * diagnostic.h (diagnostic_set_info): Add format attribute.
2580         * rtl-error.c (diagnostic_for_asm): Likewise.
2581
2582 2005-07-23  Chao-ying Fu  <fu@mips.com>
2583
2584         * config/mips/mips-dsp.md: New file.
2585         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2586         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2587         functions.
2588         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2589         MIPS_BUILTIN_BPOSGE32.
2590         (mips_expand_builtin_direct): Add one parameter to indicate that
2591         builtin functions need to return a value.
2592         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2593         functions.
2594         (mips_regno_to_class): Add classes for 12 new DSP registers.
2595         (mips_subword): Change to check four HI registers.
2596         (mips_output_move): Output move to and from 6 new DSP accumulators.
2597         (override_options): Make sure -mdsp and -mips16 are not used together.
2598         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
2599         for machine modes.
2600         (mips_conditional_register_usage): Disable 6 new DSP accumulators
2601         when !TARGET_DSP.
2602         (print_operand): Add 'q' for printing DSP accumulators.
2603         (mips_cannot_change_mode_class): Check ACC_REGS.
2604         (mips_secondary_reload_class): Check ACC_REGS.
2605         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2606         (mips_register_move_cost): Check ACC_REGS.
2607         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2608         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2609         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2610         (dsp_bdesc): New array.
2611         (bdesc_arrays): Add DSP builtin function table.
2612         (mips_prepare_builtin_arg): Check predicate again after
2613         copy_to_mode_reg.
2614         (mips_expand_builtin): Add one more parameter to
2615         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2616         MIPS_BUILTIN_BPOSGE32.
2617         (mips_init_builtins): Initialize new function types.
2618         (mips_expand_builtin_direct): Check if builtin functions need to
2619         return a value and pass operands properly.
2620         (mips_expand_builtin_bposge): New function.
2621         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2622         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2623         (FIRST_PSEUDO_REGISTER): Increase to 188.
2624         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2625         Update for 12 new DSP registers.
2626         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2627         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2628         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2629         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2630         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2631         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2632         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2633         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2634         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2635         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2636         (REGISTER_NAMES): Add names for 12 new DSP registers.
2637         * config/mips/mips.md: Include mips-dsp.md.
2638         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2639         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2640         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2641         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2642         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2643         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2644         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2645         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2646         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2647         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2648         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2649         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2650         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2651         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2652         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2653         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2654         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2655         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2656         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2657         (UNSPEC_RDDSP): New constants.
2658         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2659         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
2660         A<-d alternative.
2661         * config/mips/mips.opt (-mdsp): New option.
2662         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2663         (reg_imm10_operand): New predicates.
2664         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2665         * doc/invoke.texi (-mdsp): Document new option.
2666
2667 2005-07-22  DJ Delorie  <dj@redhat.com>
2668
2669         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2670         to warning calls.
2671         * tree-inline.c (inlinable_function_p): Likewise.
2672
2673 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
2674
2675         PR debug/21828
2676         * toplev.c (check_global_declarations): Do not mark undefined
2677         variables as DECL_IGNORED_P.
2678         * varasm.c (first_global_object_name): GTY it.
2679         (weak_global_object_name): Likewise.
2680         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2681         a string to go into {weak,first}_global_object_name.
2682
2683 2005-07-22  DJ Delorie  <dj@redhat.com>
2684
2685         * c-format.c (check_function_format): Change warning control
2686         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2687
2688 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
2689
2690         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2691         &PTR->FLD a dereference of PTR.
2692         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2693         a potential dereference of PTR.
2694
2695 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2696
2697         PR rtl-optimization/20370
2698         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2699         call allocate_reg_info if necessary.
2700
2701         PR rtl-optimization/21848
2702         * calls.c (emit_library_call_value_1): For const functions, add
2703         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2704
2705         PR rtl-optimization/22445
2706         * cselib.c (target.h): Include.
2707         (rtx_equal_for_cselib_p): Allow commutative matches.
2708         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2709         Remove MODE parameter.  Changed all callers.
2710
2711         PR rtl-optimization/22258
2712         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2713         New functions.
2714         (try_combine): Use likely_spilled_retval_p.
2715
2716 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
2717
2718         * config.gcc: Add crx-elf support.
2719
2720         * doc/contrib.texi: Mention crx.
2721         * doc/extend.texi: Document crx extensions.
2722         * doc/install.texi: Document crx install.
2723         * doc/invoke.texi: Document crx options.
2724         * doc/md.texi: Document crx constraints.
2725
2726         * config/crx/crx-protos.h: New file.
2727         * config/crx/crx.c: New file.
2728         * config/crx/crx.h: New file.
2729         * config/crx/crx.md: New file.
2730         * config/crx/crx.opt: New file.
2731         * config/crx/t-crx: New file.
2732
2733 2005-07-22  Manfred Hollstein  <mh@suse.com>
2734
2735         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2736         warnings.
2737         (int_add_graph_edge): Likewise.
2738         (collapse_nodes): Likewise.
2739         (process_unification_queue): Likewise.
2740
2741 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2742             Laurent GUERBY  <laurent@guerby.net>
2743
2744         PR tree-optimization/22336
2745         * function.c (record_block_change): Check for
2746         cfun->ib_boundaries_block.
2747
2748 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
2749
2750         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2751         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2752
2753 2005-07-21  DJ Delorie  <dj@redhat.com>
2754
2755         * toplev.c (warn_deprecated_use): Add warning control to warning
2756         call.
2757         * c-typeck.c (parser_build_binary_op): Likewise.
2758         (c_finish_if_stmt): Likewise.
2759         * c-common.c (check_function_sentinel): Likewise.
2760         (check_nonnull_arg): Likewise.
2761
2762 2005-07-21  Richard Henderson  <rth@redhat.com>
2763
2764         PR tree-opt/22504
2765         * tree-complex.c (complex_ssa_name_components): New.
2766         (cvc_lookup): Allow entry not found.
2767         (create_components): Remove.
2768         (create_one_component_var, get_component_var): New.
2769         (get_component_ssa_name, set_component_ssa_name): New.
2770         (extract_component): Use get_component_ssa_name.
2771         (update_complex_components): Use set_component_ssa_name.
2772         (update_complex_components_on_edge): Likewise.
2773         (update_phi_components): Create new PHI nodes directly, instead
2774         of adding insns to edges.
2775         (tree_lower_complex): Allocate and free complex_variable_components
2776         and complex_ssa_name_components here.
2777
2778 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
2779
2780         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2781         revert to returning false.
2782
2783 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2784
2785         PR target/21149
2786         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2787
2788 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2789
2790         PR target/22576
2791         * config/i386/i386.md (cmpxf): Change operand constraints
2792         to "nonmemory_operand".
2793
2794 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2795
2796         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2797
2798 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2799
2800         PR middle-end/21180
2801         * fold-const.c (fold_build1): Add checksum for the operands.
2802         (fold_build2): Likewise.
2803         (fold_build3): Likewise.
2804
2805 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2806
2807         PR middle-end/19055
2808         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2809
2810 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2811
2812         * common.opt (-fforward-propagate): Committed by mistake,
2813         removed.
2814
2815 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2816
2817         * reg-stack.c: Fix comment typo(s).
2818         * tree-ssa-operands.c: Likewise.
2819         * tree-vectorizer: Likewise.
2820
2821 2005-07-21  Nick Clifton  <nickc@redhat.com>
2822
2823         * config/sh/symbian.c: Replace C++ style line comments with C
2824         style line comments.
2825         (symbian_add_attribute): Do not use a ? operator on the LHS of
2826         an assignment.
2827         (sh_symbian_handle_dll_attribute): Change the type of the
2828         method vector to "VEC(tree,gc)*" and use vector accessor
2829         macros to walk over the elements.
2830         (symbian_export_vtable_and_rtti_p): Likewise.
2831         (symbian_class_needs_attribute_p): Likewise.
2832
2833 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2834
2835         PR target/22085
2836         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2837         initialize targetm.resolve_overloaded_builtin here.
2838         (altivec_expand_overloaded_builtin): Make it non-static.
2839         * config/rs6000/rs6000-protos.h
2840         (altivec_expand_overloaded_builtin): New prototype.
2841         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2842         targetm.resolve_overloaded_builtin here.
2843         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2844
2845 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2846             Zdenek Dvorak  <dvorakz@suse.cz>
2847
2848         PR tree-optimization/19210
2849         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2850         New.
2851         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2852         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2853         rely on unproven assumptions.
2854         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2855         * tree-flow.h (number_of_iterations_exit): Add final parameter.
2856         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2857         to number_of_iterations_exit.
2858         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2859         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2860         * tree-ssa-loop-niter.c (find_loop_niter,
2861         estimate_numbers_of_iterations_loop): Likewise.
2862         (number_of_iterations_exit): Honor the new options.
2863         * doc/invoke.texi (Wunsafe-loop-optimizations,
2864         funsafe-loop-optimizations): Document them.
2865
2866 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
2867
2868         PR rtl-optimization/22167
2869         * gcse.c (hoist_code): Fix hoist_exprs[] check.
2870
2871 2005-07-20  Adam Nemet  <anemet@lnxw.com>
2872
2873         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2874         __do_global_dtors_aux longcall.
2875
2876 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
2877
2878         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2879         (old_special_pred_table): Don't reference
2880         SPECIAL_MODE_PREDICATES.
2881         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2882         * config/arc/arc.h: Don't mention PREDICATE_CODES.
2883         * config/sh/predicates.h: Don't mention
2884         SPECIAL_MODE_PREDICATES.
2885         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2886         Remove.
2887
2888 2005-07-20  DJ Delorie  <dj@redhat.com>
2889
2890         * config.gcc: Add m32c-elf support.
2891
2892         * doc/contrib.texi: Mention m32c.
2893         * doc/extend.texi: Document m32c extensions.
2894         * doc/install.texi: Mention m32c.
2895         * doc/invoke.texi: Document m32c options.
2896         * doc/md.texi: Document m32c constraints.
2897
2898         * config/m32c/addsub.md: New file.
2899         * config/m32c/bitops.md: New file.
2900         * config/m32c/cond.md: New file.
2901         * config/m32c/jump.md: New file.
2902         * config/m32c/m32c-lib1.S: New file.
2903         * config/m32c/m32c-lib2.c: New file.
2904         * config/m32c/m32c-modes.def: New file.
2905         * config/m32c/m32c-pragma.c: New file.
2906         * config/m32c/m32c-protos.h: New file.
2907         * config/m32c/m32c.abi: New file.
2908         * config/m32c/m32c.c: New file.
2909         * config/m32c/m32c.h: New file.
2910         * config/m32c/m32c.md: New file.
2911         * config/m32c/m32c.opt: New file.
2912         * config/m32c/minmax.md: New file.
2913         * config/m32c/mov.md: New file.
2914         * config/m32c/muldiv.md: New file.
2915         * config/m32c/predicates.md: New file.
2916         * config/m32c/prologue.md: New file.
2917         * config/m32c/shift.md: New file.
2918         * config/m32c/t-m32c: New file.
2919
2920 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2921
2922         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2923         (stack_protect_set, stack_protect_test): New expanders.
2924         (stack_protect_set_si, stack_protect_set_si_media,
2925         stack_protect_set_di_media, stack_protect_test_si,
2926         stack_protect_test_si_media, stack_protect_test_di_media):
2927         New insns.
2928
2929 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
2930
2931         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
2932
2933 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
2934
2935         * tree.h (tree_expr_nonzero_p): Export.
2936         * fold-const.c (tree_expr_nonzero_p): Likewise.
2937         Return true for CALL_EXPRs that are alloca calls.
2938         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
2939         against zero.
2940         * tree-flow.h (expr_computes_nonzero): Remove.
2941         * tree-vrp.c (expr_computes_nonzero): Remove.
2942         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
2943         (extract_range_from_unary_expr): Likewise.
2944         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
2945         tree_expr_nonzero_p.
2946
2947 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2948
2949         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
2950         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
2951         extra arg "picreg" and use it instead of pic_offset_table_rtx.
2952         All callers changed.
2953         (frame_related_constant_load): New arg "related" which controls
2954         setting of RTX_FRAME_RELATED_P.  All callers changed.
2955         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
2956         (bfin_expand_prologue): Add stack limit checking.
2957         * config/bfin/bfin.md (trapifcc): New pattern.
2958
2959         * config/bfin/bfin.c: Include "langhooks.h".
2960         (def_builtin): Go through lang_hooks to call builtin_function.
2961
2962         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
2963         * config/bfin/predicates.md (symbol_ref_operand): New.
2964         (call_insn_operand): Delete.  All callers changed to use
2965         register_no_elim_operand.
2966         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
2967         call_cookie field.
2968         (function_arg): Use it to generate the call's operand 2.
2969         (bfin_longcall_p): New function.
2970         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
2971         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
2972         determine if the address needs to be in a REG.
2973         (bfin_handle_longcall_attribute): New function.
2974         (bfin_attribute_table): Add "longcall" and "shortcall".
2975         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
2976         (CUMULATIVE_ARGS): New member call_cookie.
2977         (PREDICATE_CODES): Add symbol_ref_operand.
2978         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
2979         extra USE to the pattern.
2980         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
2981         New patterns, split off call_insn, sibcall_insn, call_value_insn and
2982         sibcall_value_insn; now the new patterns handle direct calls and the
2983         old ones indirect calls.
2984         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
2985
2986 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
2987
2988         * doc/trouble.texi: Update section on handling of empty loops.
2989
2990 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
2991
2992         * config.gcc: Remove support for sparc-*-openbsd*,
2993         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
2994         ns32k-*-netbsd*.
2995         * config.host: Remove support for i860-*-sysv4* as a host.
2996         * config/i860/*, config/ip2k/*, config/ns32k/*,
2997         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
2998         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
2999         mention obsolete ports.
3000
3001 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3002
3003         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3004         soft frame pointer.
3005         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3006         of frame_pointer_rtx.
3007         (sh_expand_epilogue): Likewise.
3008         (sh_set_return_address): Likewise.
3009         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3010         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
3011         offsets from FRAME_POINTER_REGNUM.
3012         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3013         (sh_register_names): Add initializer for sfp.
3014         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3015         (VALID_REGISTER_P): Likewise.
3016         (FIRST_PSEUDO_REGISTER): Update.
3017         (DWARF_FRAME_REGISTERS): Define.
3018         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3019         (HARD_FRAME_POINTER_REGNUM): Define.
3020         (FRAME_POINTER_REGNUM): Redefine.
3021         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3022         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
3023         from FRAME_POINTER_REGNUM.
3024         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3025         FRAME_POINTER_REGNUM.
3026         (REG_CLASS_CONTENTS): Add sfp.
3027         (REG_ALLOC_ORDER): Likewise.
3028         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
3029         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3030         of frame_pointer_rtx.
3031         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3032
3033 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
3034
3035         * fold-const.c (tree_expr_nonnegative_p): Only return true for
3036         ABS_EXPR when flag_wrapv is false because of INT_MIN.
3037         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3038         of an ABS_EXPR.
3039         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3040         ABS_EXPR<x>.
3041
3042 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
3043
3044         Make CONSTRUCTOR use VEC to store initializers.
3045         * c-common.c (complete_array_type): Update to cope with VEC in
3046         CONSTRUCTOR_ELTS.
3047         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3048         (pp_c_constructor_elts): New function.
3049         * c-pretty-print.h (pp_c_constructor_elts): Declare.
3050         * c-typeck.c (build_function_call, build_c_cast, digest_init,
3051         struct constructor_stack, struct initializer_stack,
3052         constructor_elements, push_init_level, pop_init_level,
3053         add_pending_init, find_init_member, output_init_element): Update to
3054         cope with VEC in CONSTRUCTOR_ELTS.
3055         * coverage.c (build_fn_info_value, build_ctr_info_value,
3056         build_gcov_info): Likewise.
3057         * expr.c (categorize_ctor_elements_1, store_constructor,
3058         expand_expr_real_1): Likewise.
3059         * fold-const.c (fold_ternary): Likewise.
3060         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3061         gimplify_init_constructor, gimplify_expr): Likewise.
3062         * tree-dump.c (dequeue_and_dump): Likewise.
3063         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3064         node.
3065         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3066         CONSTRUCTOR_ELTS.
3067         * tree-sra.c (generate_element_init_1): Likewise.
3068         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3069         * tree-ssa-operands.c (get_expr_operands): Likewise.
3070         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3071         * tree-vect-transform.c (vect_get_vec_def_for_operand):
3072         (get_initial_def_for_reduction): Likewise.
3073         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3074         value handle in annotations.
3075         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3076         tree_node_structure): Add support for constr_kind.
3077         (build_vector_from_ctor, build_constructor_single,
3078         build_constructor_from_list): New functions.
3079         (build_constructor): Update to take a VEC instead of a TREE_LIST.
3080         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3081         Update to cope with VEC in CONSTRUCTOR_ELTS.
3082         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3083         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3084         CONSTRUCTOR_APPEND_ELT): New macros.
3085         (struct constructor_elt, struct tree_constructor): New data types.
3086         (union tree_node): Add tree_constructor field.
3087         * treestruct.def: Define TS_CONSTRUCTOR.
3088         * varasm.c (const_hash_1, compare_constant, copy_constant,
3089         compute_reloc_for_constant, output_addressed_constants,
3090         initializer_constant_valid_p, output_constant,
3091         array_size_for_constructor, output_constructor): Update to cope with
3092         VEC in CONSTRUCTOR_ELTS.
3093         * vec.h (VEC_empty, VEC_copy): New macros.
3094
3095 2005-07-19  Devang Patel  <dpatel@apple.com>
3096
3097         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3098
3099 2005-07-19  Richard Henderson  <rth@redhat.com>
3100
3101         PR tree-opt/22278
3102         * gimplify.c (gimplify_expr): Use main variant type for the temp
3103         destination for a discarded volatile read.
3104         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3105         casts between non-void types that change volatility.
3106
3107 2005-07-15  DJ Delorie  <dj@redhat.com>
3108
3109         * toplev.h: Add comment about the first parameter for warning().
3110         * errors.h: Likewise.
3111
3112         * c.opt (Wpragmas): New.
3113         * doc/invoke.texi: Document it.
3114
3115         * function.c (do_warn_unused_parameter): Add warning control to
3116         warning call.
3117         * c-decl.c (warn_if_shadowing): Likewise.
3118         * c-lex.c (cb_def_pragma): Likewise.
3119         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3120         (pop_alignment): Likewise.
3121         (handle_pragma_pack): Likewise.
3122         (apply_pragma_weak): Likewise.
3123         (handle_pragma_weak): Likewise.
3124         (handle_pragma_redefine_extname): Likewise.
3125         (add_to_renaming_pragma_list): Likewise.
3126         (handle_pragma_extern_prefix): Likewise.
3127         (maybe_apply_renaming_pragma): Likewise.
3128         (handle_pragma_visibility): Likewise.
3129
3130         * config/c4x/c4x-c.c (BAD): Likewise.
3131         (c4x_parse_pragma): Likewise.
3132         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3133         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3134         (rs6000_pragma_longcall): Likewise.
3135         * config/v850/v850-c.c (pop_data_area): Likewise.
3136         (ghs_pragma_section): Likewise.
3137         (ghs_pragma_section): Likewise.
3138         (ghs_pragma_interrupt): Likewise.
3139         (ghs_pragma_starttda): Likewise.
3140         (ghs_pragma_startsda): Likewise.
3141         (ghs_pragma_startzda): Likewise.
3142         (ghs_pragma_endtda): Likewise.
3143         (ghs_pragma_endsda): Likewise.
3144         (ghs_pragma_endzda): Likewise.
3145
3146 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3147             Kenneth Zadeck <zadeck@naturalbridge.com>
3148
3149         * Makefile.in: Removed tree-promote-statics.c
3150         * tree-promote-statics.c: Removed.
3151         * common.opt: Removed flag-promote-statics.
3152         * opts.c: Ditto.
3153         * passes.c: Removed tree-promote-statics pass.
3154         * tree-pass.h: Ditto.
3155         * timevar.def: Removed TV_PROMOTE_STATICS.
3156
3157
3158 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3159
3160         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3161         and *-*-freebsd9.
3162         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3163
3164 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3165
3166         PR c/22476
3167         * c-common.c (check_function_arguments): Call
3168         'check_function_format' if either -Wformat or
3169         -Wmissing-format-attribute are specified.
3170         * c-format.c (check_function_format): Check -Wformat before
3171         calling 'check_format_info'.
3172         * c-opts.c (c_common_post_options): Don't warn for
3173         -Wmissing-format-attribute without -Wformat.
3174         * c-typeck.c (convert_for_assignment): Detect additional cases for
3175         -Wmissing-format-attribute.
3176         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3177         behavior.
3178
3179 2005-07-19  Richard Guenther  <rguenther@suse.de>
3180
3181         * config/i386/i386.md (lrint<mode>2): Use temporary
3182         instead of clobbering non-existent memory.
3183
3184 2005-07-19  Nick Clifton  <nickc@redhat.com>
3185
3186         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3187         statement to avoid displaying ASCII control characters.
3188
3189 2005-07-19  Ben Elliston  <bje@au.ibm.com>
3190
3191         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3192         * cfganal.c (find_edge_index): Ditto.
3193         * combine.c (combine_instructions): Ditto.
3194         * ddg.c (create_scc): Ditto.
3195         (find_successors): Ditto.
3196         (find_predecessors): Ditto.
3197         (find_nodes_on_paths): Ditto.
3198         (longest_simple_path): Ditto.
3199         * flow.c (update_life_info): Ditto.
3200         (count_or_remove_death_notes): Ditto.
3201         (clear_log_links): Ditto.
3202         * modulo-sched.c (generate_reg_moves): Ditto.
3203         (find_max_asap): Ditto.
3204         (find_max_hv_min_mob): Ditto.
3205         (find_max_dv_min_mob): Ditto.
3206         * sbitmap.c (sbitmap_first_set_bit): Ditto.
3207         * sched-rgn.c (extract_edgelst): Ditto.
3208         * tree-into-ssa.c (prepare_names_to_update): Ditto.
3209         (dump_update_ssa): Ditto.
3210         (ssa_names_to_replace) Ditto.
3211         (switch_virtuals_to_full_rewrite): Ditto.
3212         (update_ssa): Ditto.
3213         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3214
3215 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
3216
3217         Fix PR tree-optimization/22483
3218
3219         * tree-complex.c (create_components): Use
3220         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3221         * tree-flow-inline.h (fill_referenced_var_vec): New function.
3222         * tree-flow.h (safe_referenced_var_iterator): New structure.
3223         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3224         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3225         safe_referenced_var iterator.
3226         (add_type_alias): Ditto.
3227
3228 2005-07-19  Steven Bosscher  <stevenb@suse.de>
3229
3230         * loop-init.c (rest_of_handle_loop2): Remove.
3231         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3232         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3233         (pass_rtl_loop_init, pass_rtl_loop_done,
3234         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3235         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3236         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3237         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3238         pass_tree_loop_done, and pass_tree_unswitch.
3239         (gate_loop): Rename to gate_tree_loop.
3240         * passes.c (init_optimization_passes): Update for renamed tree
3241         loop passes.  Add the new loop2 passes as subpasses of loop2.
3242         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3243         Update for the renamed tree loop passes.
3244
3245 2005-07-18  Ian Lance Taylor  <ian@airs.com>
3246
3247         PR middle-end/22057
3248         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3249         blocks when optimizing.
3250
3251 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
3252
3253         * common.opt (frename-registers): Initialize to 2.
3254         (fweb): Ditto.
3255         (fgcse-after-reload): Ditto.
3256         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3257         (process_options): Only change flag_web, flag_rename_registers,
3258         and flag_rerun_cse_after_loop if not explicitly set by user.
3259
3260 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3261
3262         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3263         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3264         in 64-bit mode the same as DImode in 32-bit mode.
3265         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3266         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3267         mode. Add new mode parameter.
3268         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3269         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3270         x86_64_shift_adj): New expanders.
3271         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3272         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3273         insns.
3274         Respective new splitters. Use renamed shift splitter helpers in 32-bit
3275         DImode shift splitters.
3276         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3277         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3278         mode parameter.
3279
3280 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3281
3282         * i386.md (movdi_extzv_1): New.
3283         (zero_extendhidi2): Combine alternatives and never force use of
3284         REX64 prefix.
3285         (zero_extendqidi2): Likewise. Don't restrict input selection.
3286
3287 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3288
3289         Fix PR tree-optimization/22531
3290         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
3291          moment.
3292
3293 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3294
3295         * tree-promote-statics.c (pass_promote_statics): Change dump file
3296          name.
3297
3298 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3299
3300         * tree-optimize.c (init_tree_optimization_passes): Add
3301         pass_eliminate_useless_stores pass.
3302         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3303         * tree-ssa-pre.c (is_copy_stmt): New function.
3304         (follow_copies_till_vuse): Ditto.
3305         (do_eustores): Ditto.
3306         (gate_eustores): Ditto.
3307
3308 2005-07-16  Richard Henderson  <rth@redhat.com>
3309
3310         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3311
3312 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3313            Kenneth Zadeck <zadeck@naturalbridge.com>
3314
3315         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3316         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3317         ipa-type-escape.h, tree-promote-statics.c
3318         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3319         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3320         tree-promote-statics.c: new files.
3321         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3322         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3323         int nonlocal_set_p, mark_constant_function): Deleted.
3324         (rest_of_handle_cfg): Removed call to mark_constant_function.
3325         (nonoverlapping_component_refs_p): Added calls to support
3326         type based aliasing.
3327         * tree-ssa-alias.c (may_alias_p,
3328         compute_flow_insensitive_aliasing): Ditto.
3329         * calls.c (flags_from_decl_or_type): Removed reference to
3330         cgraph_rtl_info.
3331         * c-typeck.c (convert_arguments): Make builtins tolerant of having
3332         too many arguments.  This is necessary for Spec 2000.
3333         * cgraph.h (const_function, pure_function): Removed.
3334         * common.opt: Added "fipa-pure-const", "fipa-reference",
3335         "fipa-type-escape", and "ftree-promote-static".
3336         * opts.c: Ditto.
3337         * passes.c: Added ipa and tree-promote-statics passes.
3338         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3339         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3340         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3341         * tree-flow.h: Added exposed sra calls and addition of
3342         reference_vars_info field for FUNCTION_DECLS.
3343         * tree-pass.h: Added passes.
3344         * tree-sra.c: (sra_init_cache): New function.
3345         (sra_insert_before, sra_insert_after) Made public.
3346         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3347         and made public.
3348         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3349         aliasing. (may_alias_p): Added code to use type escape analysis to
3350         improve alias sets.
3351         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3352         code to prune clobbers of static variables based on information
3353         produced in ipa-reference pass.  Changed call clobbering so that
3354         statics are not marked as clobbered if the call does not clobber
3355         them.
3356
3357 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
3358
3359         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3360         too.
3361
3362 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
3363
3364         * doc/install.texi (*-*-solaris2*): Document recommended version
3365         of GNU binutils and mention GNU linker problem on Solaris 10.
3366
3367 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
3368
3369         PR c/22421
3370         * c-decl.c (c_build_bitfield_integer_type): New function.
3371         (finish_struct): Call it.
3372         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3373
3374 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3375
3376         * c-typeck.c (digest_init): Call 'convert_for_assignment'
3377         before returning.
3378
3379 2005-07-16  Jan Hubicka  <jh@suse.cz>
3380
3381         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3382         (scale_bbs_frequencies_int): Watch roundoff errors.
3383         * predict.c (return_prediction): Initialize return_stmt.
3384
3385 2005-07-16  Jan Hubicka  <jh@suse.cz>
3386
3387         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3388         after RTL profiling.
3389
3390 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
3391
3392         PR middle-end/22398
3393         * fold-const.c (build_range_check): Convert high/low to etype
3394         if we are only comparing against exp.
3395
3396 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
3397
3398         Fix PR tree-optimization/22376
3399         * tree-ssa-structalias.c (build_constraint_graph): We really meant
3400         special var here.
3401         (need_to_solve): New function.
3402         (compute_points_to_sets): Use it.
3403
3404 2005-07-15  Jan Hubicka  <jh@suse.cz>
3405
3406         * cfg.c (update_bb_profile_for_threading): More diagnostic.
3407         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3408
3409 2005-07-15  Richard Guenther  <rguenther@suse.de>
3410
3411         * c-common.c (handle_flatten_attribute): New function.
3412         Add flatten function attribute.
3413         * doc/extend.texi: Document flatten function attribute.
3414         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3415         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3416         New functions.
3417         (cgraph_decide_inlining): Handle functions with flatten
3418         attribute.
3419
3420 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
3421
3422         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3423         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3424         UNSPEC_XCHG, UNSPEC_AND): New.
3425         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3426         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3427         * config/rs6000/sync.md (FETCHOP): New code macro.
3428         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3429         New code attrs.
3430         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3431         (sync_compare_and_swap<mode>): Same.
3432         (sync_lock_test_and_set<mode>): Same.
3433         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3434         for QImode and HImode, and not PPC405.
3435         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3436         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3437         (sync_<fetchop>{si,di}_internal): New.
3438         (sync_nand{si,di}_internal): New.
3439         (sync_old_<fetchop>{si,di}_internal): New.
3440         (sync_old_nand{si,di}_internal): New
3441         (sync_new_<fetchop>{si,di}_internal): New.
3442         (sync_new_nand{si,di}_internal): New.
3443         (atomic_and{si,di}): New.
3444         (sync_new_nand{si,di}_internal): New.
3445         (atomic_and{si,di}): New.
3446         (sync_add<mode>_internal): Delete.
3447         (sync_addshort_internal): Use unspec instead of unspec_volatile.
3448         (sync_sub<mode>_internal): Delte.
3449         (sync_subshort_internal): New.
3450         (sync_andsi_internal): Use unspec instead of unspec_volatile.
3451         (sync_anddi_internal): Delete.
3452         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3453         (sync_booldi_internal): Delete.
3454         (sync_boolc<mode>_internal): Delete.
3455         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3456         (sync_boolc<mode>_internal2): Delete.
3457         (sync_boolcc<mode>_internal): Delete.
3458         (isync, lwsync): Use unspec instead of unspec_volatile.
3459         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3460         Revert UNSPEC_VOLATILE.
3461         (rs6000_split_atomic_op): New.
3462         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3463
3464 2005-07-14  Eric Christopher  <echristo@redhat.com>
3465
3466         * config/mips/mips.c (mips_canonicalize_comparison): Cast
3467         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3468
3469 2005-07-14  Eric Christopher  <echristo@redhat.com>
3470
3471         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3472
3473 2005-07-14  Steven Bosscher  <stevenb@suse.de>
3474
3475         PR tree-optimization/22230
3476         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3477         the computation of the four cross productions for "range op range".
3478
3479 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
3480             Ulrich Weigand  <uweigand@de.ibm.com>
3481
3482         PR target/20126
3483         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3484         in some insn.
3485
3486 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3487
3488         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3489
3490 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
3491
3492         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3493
3494 2005-07-14  Richard Guenther  <rguenther@suse.de>
3495
3496         PR middle-end/22347
3497         * config/i386/i386-protos.h (ix86_function_value): Change
3498         prototype to match new target hook.
3499         * config/i386/i386.c (ix86_value_regno): Change prototype
3500         to take extra type argument.
3501         (TARGET_FUNCTION_VALUE): Define.
3502         (ix86_function_ok_for_sibcall): Pass extra argument to
3503         ix86_value_regno, check return slot rtx for exact match.
3504         (ix86_function_value): Take extra parameter.  Dispatch to
3505         ix86_value_regno with fndecl/fntype as provided.
3506         (ix86_value_regno): Handle extra type argument.
3507         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3508
3509         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3510         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3511         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3512         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3513         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3514
3515 2005-07-14  Richard Guenther  <rguenther@suse.de>
3516
3517         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3518         * calls.c (expand_call): Pass fntype to hard_function_value.
3519         (emit_library_call_value_1): Likewise.
3520         * explow.c: Include target.h.
3521         (hard_function_value): Take extra argument, the fntype.
3522         Use new target hook for function_value.
3523         * expr.h (hard_function_value): Change prototype.
3524         * function.c (aggregate_value_p): Pass 0 as fntype to
3525         hard_function_value.
3526         (assign_parms): Use new target hook for function_value.
3527         Pass 0 as fntype to hard_function_value.
3528         (expand_function_end): Likewise.
3529         * reg-stack.c: Include target.h.
3530         (stack_result): Use new target hook for function_value.
3531         * target-def.h: New target hook function_value.
3532         * target.h: Likewise.
3533         * targhooks.c (default_function_value): New function.
3534         * targhooks.h (default_function_value): Declare.
3535
3536 2005-07-13  Ian Lance Taylor  <ian@airs.com>
3537
3538         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3539
3540 2005-07-14  Jan Hubicka  <jh@suse.cz>
3541
3542         * tree-dfa.c (dump_variable): Use default_def function.
3543         * tree-ssa-alias.c (dump_points_to_info): Likewise.
3544         * tree-ssa.c (verify_use): Likewise.
3545         * tree-ssanames.c (release_ssa_name): Likewise.
3546         * tree-tailcall.c (eliminate_tail_call): Likewise.
3547         (tree_optimize_tail_calls_1): Likewise.
3548         * tree-vrp.c (get_value_range): Likewise.
3549
3550 2005-07-14  Ben Elliston  <bje@au.ibm.com>
3551
3552         * gcc.c (main): Compare language[0] with '*' when iterating over
3553         the infiles.
3554
3555 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
3556
3557         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3558         "s390_emit_compare".  Add handling of CCZ1mode.
3559         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3560         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3561         checking.
3562         (s390_branch_condition_mask): Add CCZ1mode handling.
3563         * config/s390/s390.md: ("seq", "*seq"): New pattern.
3564         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3565         Use CCZ1mode instead of CCZmode.
3566         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
3567
3568 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
3569
3570         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3571         pattern.
3572         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3573
3574 2005-07-13  Eric Christopher  <echristo@redhat.com>
3575
3576         * config/mips/mips.c (mips_canonicalize_comparison): New.
3577         (mips_emit_int_relational): Use.
3578
3579 2005-07-13  Eric Christopher  <echristo@redhat.com>
3580
3581         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3582         static extra parts.
3583         * config/s390/s390.md: Include tpf.md. Move tpf specific
3584         patterns...
3585         * config/s390/tpf.md: To here.
3586         * config/s390/s390.opt: Move tpf specific options...
3587         * config/s390/tpf.opt: to here. Add mmain option.
3588         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3589         * config/s390/tpf.h: Rewrite.
3590
3591 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3592
3593         * doc/tm.texi: Remove @xref{Cross-profiling}.
3594
3595 2005-07-13  Jeff Law  <law@redhat.com>
3596
3597         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3598         expressions, test their _DECL operands for pointer equality rather
3599         than using operand_equal_p.
3600
3601 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3602
3603         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3604         (TARGET_POSIX_IO): This.
3605         * config/darwin.h: Likewise.
3606         * config/freebsd.h: Likewise.
3607         * config/linux.h: Likewise.
3608         * config/lynx.h: Likewise.
3609         * config/netbsd.h: Likewise.
3610         * config/rs6000/linux64.h: Likewise.
3611         * config/rs6000/linux.h: Likewise.
3612         * config/s390/tpf.h: Likewise.
3613         * config/sh/embed-elf.h: Likewise.
3614         * config/sparc/linux64.h: Likewise.
3615         * config/sparc/linux.h: Likewise.
3616         * config/svr4.h: Likewise.
3617         * gcov-io.h: Likewise.
3618
3619         * doc/tm.texi: Updated.
3620
3621         * libgcov.c (create_file_directory): Defined only if
3622         TARGET_POSIX_IO is defined.
3623         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3624         is defined.
3625
3626 2005-07-13  Jan Hubicka  <jh@suse.cz>
3627
3628         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3629
3630 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
3631
3632         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3633         structure as argument.
3634
3635 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
3636
3637         PR tree-optimization/21921
3638         * tree-iterator.c (tsi_link_before): Support the case when
3639         tsi_end_p (tsi) == true.
3640
3641 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3642
3643         PR tree-optimization/22442
3644         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3645         correctly.
3646
3647 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3648
3649         PR rtl-optimization/20376
3650         * toplev.c (process_options): Enable -fweb and -frename-registers when
3651         unrolling.
3652         * doc/invoke.texi: Update the information about when -fweb and
3653         -frename-registers are enabled.
3654
3655 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3656
3657         PR tree-opt/21840
3658         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3659         if *rhs_p is not a SSA_NAME.
3660
3661 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
3662
3663         Fix PR tree-optimization/22422
3664         * tree-ssa-structalias.c (struct variable_info): Add flag for
3665         special vars.
3666         (get_varinfo): Now a static function.
3667         (new_varinfo): init has_union and is_special_var to false.
3668         (solution_set_add): Check has_union.
3669         (do_da_constraint): Move temporary variable so it gets reset
3670         properly.
3671         Also check for special variable.
3672         (do_ds_constraint): Ditto.
3673         (do_sd_constraint): Ditto.
3674         (do_structure_copy): Check for special variable.
3675         (find_func_aliases): Ditto.
3676         (init_base_vars): Set special vars properly.
3677
3678 2005-07-13  Jan Hubicka  <jh@suse.cz>
3679
3680         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3681         do unit-at-a-time.
3682
3683         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3684         (get_expr_operands): Fix thinko wrt flags and subvars.
3685
3686         PR tree-optimize/22379
3687         * tree-inline.c (expand_call_inline): Do not output sorry in early
3688         inlining.
3689
3690 2005-07-12  Dale Johannesen  <dalej@apple.com>
3691
3692         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
3693
3694 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3695
3696         PR bootstrap/21704
3697         * host-linux.h: Include limits.h.
3698
3699 2005-07-12  Dale Johannesen  <dalej@apple.com>
3700
3701         * expr.c (compress_float_constant):  Add cost check.
3702         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
3703
3704 2005-07-12  Dale Johannesen  <dalej@apple.com>
3705
3706         * gcc.target/i386/compress-float-sse.c:  New.
3707         * gcc.target/i386/compress-float-sse-pic.c:  New.
3708         * gcc.target/i386/compress-float-387.c:  New.
3709         * gcc.target/i386/compress-float-387-pic.c:  New.
3710         * gcc.dg/compress-float-ppc.c:  New.
3711         * gcc.dg/compress-float-ppc-pic.c:  New.
3712
3713 2005-07-12  Eric Christopher  <echristo@redhat.com>
3714
3715         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3716         static extra parts.
3717         * config/s390/s390.md: Include tpf.md. Move tpf specific
3718         patterns...
3719         * config/s390/tpf.md: To here.
3720         * config/s390/s390.opt: Move tpf specific options...
3721         * config/s390/tpf.opt: to here. Add mmain option.
3722         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3723         * config/s390/tpf.h: Rewrite.
3724
3725 2005-07-12  Eric Christopher  <echristo@redhat.com>
3726
3727         * gcc.c (struct infile): Update comment for language.
3728         (main): Rewrite input file resetting code.
3729
3730 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3731
3732         PR tree-opt/22335
3733         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3734         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
3735         (lookup_avail_expr): Use constant_boolean_node instead
3736         of boolean_false_node/boolean_true_node.
3737
3738 2005-07-12  Ben Elliston  <bje@au.ibm.com>
3739
3740         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3741         and use it when printing num_edges.
3742
3743 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3744
3745         * doc/extend.texi (Blackfin Built-in Functions): New section.
3746         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3747         @opindex.
3748
3749 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
3750
3751         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3752         s/cmpstrsi/cmpstrnsi
3753         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3754         'cmpstrnsi'.
3755         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3756         (init_optabs): Initialize cmpstrn_optab.
3757         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3758         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3759         * expr.c: (enum insn_code cmpstrn_optab): Declare.
3760         * config/i386/i386.md: s/cmpstr/cmpstrn
3761         * config/c4x/c4x.md: s/cmpstr/cmpstrn
3762         * doc/md.texi: Update documentation.
3763
3764 2005-07-11  Richard Henderson  <rth@redhat.com>
3765
3766         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3767         build_va_arg_indirect_ref.
3768         (alpha_gimplify_va_arg): Likewise.
3769         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3770         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3771         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3772         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3773         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3774         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3775         Likewise.
3776         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3777
3778 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3779
3780         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3781         * passes.c (init_optimization_passes): Add pass_empty_loop.
3782         * tree-pass.h (pass_empty_loop): Declare.
3783         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3784         try_remove_empty_loop, remove_empty_loops): New functions.
3785         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3786         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3787
3788 2005-07-12  Peter Barada  <peter@the-baradas.com>
3789
3790         PR middle-end/16719
3791         PR middle-end/18421
3792         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3793         in address registers.
3794         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3795         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3796         alternative of addsi3_5200.
3797
3798 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3799
3800         * config/mips/mips.md (ffs<mode>2): Remove.
3801
3802 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3803
3804         * doc/tree-ssa.texi (Cleanups): Improve description of
3805         TRY_FINALLY_EXPR.
3806         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3807
3808 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3809
3810         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3811         * tree.h (DECL_ARGUMENT_FLD): New macro.
3812
3813 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3814
3815         Fix PR tree-optimization/22404
3816
3817         * tree-ssa-structalias.c (create_variable_info_for): Use
3818         correct offset.
3819
3820 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3821
3822         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3823         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3824         for second comparison operand.
3825         * config/bfin/predicates.md (reg_or_const_int_operand): New.
3826
3827         * config/bfin/bfin.md (define_attr "type"): Add "sync".
3828         (define_insn_reservation "alu"): Likewise.
3829         (csync, ssync): Now of type sync.
3830         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3831         -mcsync-anomaly -mspecld-anomaly.
3832         * config/bfin/bfin.opt (mcsync): Remove.
3833         (mcsync-anomaly, mspecld-anomaly): Add.
3834         * config/bfin/bfin.c: Include "insn-codes.h".
3835         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3836         (TARGET_DEFAULT_TARGET_FLAGS): New.
3837         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3838
3839 2005-07-11  Steven Bosscher  <stevenb@suse.de>
3840
3841         * basic-block.h: Give the BB flags enum a name, bb_flags.
3842         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3843         * cfgcleanup.c (enum bb_flags): Remove here.
3844         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3845         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3846         (update_forwarder_flag): Likewise.
3847         (thread_jump): Likewise.
3848         (try_forward_edges): Likewise.
3849         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
3850         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
3851         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3852
3853 2005-07-11  Richard Guenther  <rguenther@suse.de>
3854
3855         * config/i386/i386.opt: New target option -msseregparm.
3856         * config/i386/i386.c (override_options): Error out for
3857         -msseregparm but no SSE support.
3858         (ix86_function_sseregparm): Check for global sseregparm.
3859         * doc/invoke.texi: Document -msseregparm.
3860
3861 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3862
3863         * config.gcc (m32r-*-linux*): Use the default extra_parts.
3864         (m32rle-*-linux*): Ditto.
3865
3866 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
3867
3868         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3869         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3870         bytes.
3871
3872 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3873
3874         PR middle-end/22239
3875         PR target/20126
3876         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3877         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3878
3879 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
3880
3881         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3882         (varmap): Heapify varmap.
3883         (constraints): Heapify constraints.
3884         (struct constraint_graph): Heapify succs and preds.
3885         (constraint_vec_find): Update for heapification.
3886         (constraint_set_union): Ditto.
3887         (insert_into_complex): Ditto.
3888         (constraint_edge_vec_find): Ditto.
3889         (erase_graph_self_edge): Ditto.
3890         (add_graph_edge): Ditto.
3891         (get_graph_weights): Ditto.
3892         (merge_graph_nodes): Ditto.
3893         (build_constraint_graph): Ditto.
3894         (topo_visit): Ditto.
3895         (solve_graph): Ditto.
3896         (create_variable_info_for): Ditto.
3897         (init_base_vars): Ditto.
3898         (delete_points_to_sets): Free graph, varmap, and complex constraints.
3899         (condese_varmap_nodes): Free complex vector.
3900         (clear_edges_for_node): Clear succs and preds vector.
3901
3902 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3903
3904         * tree-ssa-structalias.c (update_alias_info): Change counting of
3905         references to not include vdefs.
3906
3907 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3908
3909         * tree-ssa-alias.c (free_used_part_map): Add missing free.
3910         (up_insert): Ditto.
3911
3912 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3913
3914         * pa.c (pa_commutative_p): Make PLUS commutative when
3915         TARGET_NO_SPACE_REGS is true.
3916
3917 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3918
3919         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3920         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3921         * tree-dfa.c (dump_subvars_for): New.
3922         (debug_subvars_for): New.
3923         (dump_variable): Show subvariables if VAR has them.
3924         * tree-flow-inline.h (get_subvar_at): New.
3925         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3926         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3927         Update all users.
3928         (struct subvar): Change fields offset and size to unsigned
3929         HOST_WIDE_INT.
3930         (dump_subvars_for): Declare.
3931         (debug_subvars_for): Declare.
3932         (get_subvar_at): Declare.
3933         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
3934         to unsigned HOST_WIDE_INT *.
3935         (overlap_subvar): Likewise.
3936         * tree-gimple.c (is_gimple_reg): Always return false for
3937         SFTs and memory tags.
3938         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
3939         Update all callers.
3940         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
3941         (compute_may_aliases): Call compute_points_to_sets.
3942         (collect_points_to_info_for): Remove.
3943         (compute_points_to_and_addr_escape): Remove.
3944         (delete_alias_info): Call delete_points_to_sets.
3945         (compute_flow_sensitive_aliasing): If the call to
3946         find_what_p_points_to returns false, call set_pt_anything.
3947         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
3948         (set_pt_anything): Clear pi->pt_vars.
3949         (set_pt_malloc): Remove.
3950         (merge_pointed_to_info): Remove.
3951         (add_pointed_to_expr): Remove.
3952         (add_pointed_to_var): Remove.
3953         (collect_points_to_info_r): Remove.
3954         (is_escape_site): Make extern.
3955         (create_sft): New.
3956         (create_overlap_variables_for): Call it.
3957         * tree-ssa-copy.c (merge_alias_info): Never merge
3958         flow-sensitive alias information.
3959         * tree-ssa-operands.c (get_expr_operands): Adjust variables
3960         offset and size to be unsigned HOST_WIDE_INT.
3961         (add_to_addressable_set): Rename from note_addressable.
3962         Set TREE_ADDRESSABLE as the variables are added to the set.
3963         Update all users.
3964         (add_stmt_operand): Do not try to micro-optimize unmodifiable
3965         operands into VUSEs when adding V_MAY_DEFs for members in an
3966         alias set.
3967         * tree-ssa-operands.h (add_to_addressable_set): Declare.
3968         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
3969         (struct variable_info): Add bitfield is_heap_var.
3970         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
3971         (new_var_info): Initialize is_heap_var.
3972         (get_constraint_for): Add HEAP variables to the symbol table.
3973         Mark them with is_heap_var.
3974         (update_alias_info): New.  Taken mostly from the old
3975         compute_points_to_and_addr_escape.
3976         (handle_ptr_arith): New.
3977         (find_func_aliases): Call update_alias_info.
3978         Call handle_ptr_info for tcc_binary expressions.
3979         Call mark_stmt_modified.
3980         (create_variable_info_for): If DECL has subvars, do not create
3981         variables for its subvars.  Always add all the fields.
3982         (set_uids_in_ptset): If the solution includes ANYOFFSET and
3983         SFTs, then add all the SFTs of the structure.
3984         If VI->DECL is an aggregate with subvariables, add the SFT at
3985         VI->OFFSET.
3986         (find_what_p_points_to): If VI is an artificial variable,
3987         translate to bitfields in SSA_NAME_PTR_INFO.
3988         If the solution is empty, set pi->pt_vars to NULL
3989         (init_base_vars): Create ANYOFFSET.
3990         (compute_points_to_sets): Rename from create_alias_vars.
3991         Make extern.
3992         (pass_build_pta): Remove.
3993         (delete_points_to_sets): Rename from delete_alias_vars.
3994         (pass_del_pta): Remove.
3995         * tree-ssa-structalias.h (struct alias_info): Move from
3996         tree-ssa-alias.h.
3997         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
3998         NUM_REFERENCES_SET): Likewise.
3999         (compute_points_to_sets, delete_points_to_sets): Declare.
4000
4001 2005-07-09  Richard Henderson  <rth@redhat.com>
4002
4003         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4004         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4005         alpha_split_lock_test_and_set_12): New functions.
4006         * config/alpha/alpha-protos.h: Update.
4007         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4008         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4009         * config/alpha/sync.md (I12MODE): New.
4010         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4011         (sync_<fetchop_name><I48MODE>): Likewise.
4012         (sync_nand<I48MODE>): Likewise.
4013         (sync_old_<fetchop_name><I48MODE>): Likewise.
4014         (sync_new_<fetchop_name><I48MODE>): Likewise.
4015         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4016         (sync_compare_and_swap<I48MODE>): Likewise.
4017         (sync_lock_test_and_set<I48MODE>): Likewise.
4018         (sync_compare_and_swap<I12MODE>): New.
4019         (sync_compare_and_swap<I12MODE>_1): New.
4020         (sync_lock_test_and_set<I12MODE>): New.
4021         (sync_lock_test_and_set<I12MODE>_1): New.
4022
4023 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4024
4025         PR 21356
4026         PR 22332
4027         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4028
4029 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
4030
4031         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4032         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4033
4034 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
4035
4036         PR target/21656
4037         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4038
4039 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
4040
4041         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4042         memory_operand constraint.
4043         (store_conditional_<mode>): Same.
4044         (sync_compare_and_swap<mode>): Same.
4045         (sync_lock_test_and_set<mode>): Same.
4046
4047 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
4048
4049         Rewrite PIC support to more closely model actual instructions.
4050         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4051         (cris_symbol): Remove prototypes for removed functions.
4052         (cris_pic_symbol_type_of, cris_valid_pic_const)
4053         (cris_expand_pic_call_address): Prototypes for new functions.
4054         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused