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PR libgcj/23508
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
2
3         PR libgcj/23508
4         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5         state for return address column of signal frames.
6
7 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
8
9         PR target/23539
10         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
11         bytes >= 2 not bytes == 2.
12         (expand_block_move): Same.
13
14 2005-08-27  Richard Guenther  <rguenther@suse.de>
15
16         PR target/23575
17         * config/i386/sse.md (sse2_movsd): Add missing closing
18         braces.
19
20 2005-08-27  Paul Brook  <paul@codesourcery.com>
21
22         * genrecog.c (enum decision_type): Add DT_num_insns.
23         (struct decision_test): Add u.num_insns.
24         (add_to_sequence): Add DT_num_insns test.
25         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
26         (write_cond, debug_decision_2): Ditto.
27         (change_state): Assume peep2_next_insn never fails.
28         Remove "afterward" argument.
29         (write afterward, write_tree): Update to match.
30         * recog.c (peep2_current_count): New variable.
31         (peep2_next_insn): Check it.
32         (peephole2_optimize): Set peep2_current_count.
33         * recog.h (peep2_current_count): Declare.
34
35 2005-08-26  Josh Conner  <jconner@apple.com>
36
37         PR middle-end/23584
38         * ipa-pure-const.c (check_tree): Check for volatile-ness
39         when considering a dereference.
40
41 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
42
43         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
44
45 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
46
47         PR rtl-optimization/23561
48         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
49         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
50         at most LEN bytes long memory fits into the field.
51         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
52         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
53         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
54
55 2005-08-26  Richard Henderson  <rth@redhat.com>
56
57         PR rtl-opt/23560
58         * loop.c (biased_biv_may_wrap_p): New.
59         (maybe_eliminate_biv_1): Use it to suppress non-equality
60         comparison transformations.  Delete disabled code.
61
62 2005-08-26  Ian Lance Taylor  <ian@airs.com>
63
64         * combine.c (make_extraction): Avoid reference outside object.
65
66 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
67
68         * stor-layout.c (finalize_type_size): Restore behaviour for
69         non-aggregate types to the status quo ante of the patch for
70         pr 23467.  Document why it matters.
71
72 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
73
74         PR c/23506
75         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
76         array by one element, initialize the BT_LAST element with NULL.
77
78 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
79
80         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
81         optimizing for size.
82         (plus_eqsi): Same.
83         (compare_plus_eqsi): Same.
84         (plus_eqsi_compare): Same.
85         (neg_eq0<mode>): Same.
86         (neg_eq<mode>): Same.
87
88         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
89         PROCESSOR_POWER4.
90
91 2005-08-26  Nick Clifton  <nickc@redhat.com>
92
93         * config/v850/v850.c (ep_memory_operand): Return FALSE if
94         TARGET_EP is not defined.
95         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
96         TARGET_EP is enabled.
97         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
98         * config/v850/v850.md (save_all_interrupt): Only use the EP
99         register if TARGET_EP is defined.
100         (restore_all_interrupt): Likewise.
101         * config/v850/lib1funcs.asm: Update functions so that the EP
102         register is only used if __EP__ is defined.
103
104 2005-08-26  David Ung  <davidu@mips.com>
105
106         * config/mips/mips.c (mips_expand_prologue): Handle case when
107         generating for MIPS16 and the outgoing argument area is more than
108         SMALL_OPERAND. Use the frame pointer as temporary to generate the
109         add instruction.
110
111 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
112
113         * config/crx/crx.md: Make doloop_end pattern usage controllable
114         via mloop-nesting=<max-nesting> command line switch. Make sure
115         the combiner cannot use doloop_end_<mode> in an illegal way.
116         * config/crx/crx.c: Use regs up to r6 for argument passing.
117         Refine crx_address_cost (non cst4 displacements are expensive).
118         * config/crx/crx.opt: Add switch for mloop-nesting=.
119
120 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
121
122         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
123         (UNSPEC_MVST): New constant.
124
125 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
126
127         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
128         Reject operands containing eliminable registers.
129         * testsuite/gcc.dg/20050825-1.c: New testcase.
130
131 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
132             Jan Hubicka  <jh@suse.cz>
133
134         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
135
136 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
137
138         PR tree-optimization/23546
139         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
140         and REAL_CST nodes.
141
142 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
143
144         * params.def (PARAM_MIN_SPEC_PROB): New.
145         * sched-rgn.c (MIN_PROBABILITY): Delete.
146         (compute_trg_info): Convert to PARAM_VALUE.
147         * doc/invoke.texi (param): Document min-spec-prob.
148
149 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
150
151         * config/darwin.h: define __PIC__
152         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
153         TARGET_OS_CPP_BUILTINS macro.
154
155 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
156
157         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
158         yesterday.
159
160 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
161
162         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
163         to duplicate_block.
164         * cfghooks.c (duplicate_block): Added position where to place
165         new block as argument.
166         * cfghooks.h (duplicate_block): Declaration changed.
167         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
168         duplicate_block.
169         * cfglayout.h (copy_bbs): Declaration changed.
170         * cfgloop.h (loop_version): Declaration changed.
171         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
172         position to copy_bbs.
173         (loop_version): Pass position to duplicate_loop_to_header_edge.
174         Add place_after argument and position new blocks according to
175         it.
176         * modulo-sched.c (sms_schedule): Pass place_after argument
177         to loop_version.
178         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
179         * tree-cfg.c (split_edge_bb_loc): New function.
180         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
181         to determine position of new blocks.
182         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
183         to loop_version.
184         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
185         argument to duplicate_block.
186         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
187         Pass position to copy_bbs.
188
189 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
190
191         * fold-const.c (ptr_difference_const): Use
192         cst_and_fits_in_hwi instead of host_integerp.
193
194 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
195
196         * config/darwin.c (gen_pic_offset): New.
197         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
198         Use it.
199
200 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
201
202         PR tree-optimization/23486
203         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
204
205 2005-08-23  Phil Edwards  <phil@codesourcery.com>
206
207         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
208         remove use_collect2.
209         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
210
211         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
212         configuration files to override the default value.
213
214         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
215         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
216         * config/vx-common.h:  New file, split out from...
217         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
218         * config/vxworksae.h:  New file, for VxWorks AE.
219         * config/vxworks.opt:  New file.
220         * config/vxlib.c:  Update for VxWorks 6.
221
222         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
223         other MULTILIB_* variables appropriately.
224         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
225         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
226         * config/rs6000/vxworks.h:  Update for VxWorks 6.
227         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
228
229 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
230
231         PR target/20799
232         * config/darwin.c (machopic_select_section): Remove the hack to
233         mark "::operator new" and "::operator delete" for coalescing
234         even though they are not weak.
235
236 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
237
238         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
239         * configure: Regenerate.
240
241 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
242
243         PR middle-end/23517
244         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
245         between vectors.
246         * convert.c (convert_to_integer, convert_to_vector): Likewise.
247         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
248         Likewise.
249
250 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
251
252         * config/rs6000/predicates.md (equality_operator): New.
253         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
254         comparison with a large constant.
255
256 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
257
258         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
259
260 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
261
262         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
263         registers is even, and we have a hardware double precision fp,
264         align the buffer.
265         (sh_gimplify_va_arg_expr): For floating point arguments, consider
266         size of current argument when checking if argument was passed in
267         registers.
268
269         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
270
271         PR middle-end/23467
272         * stor-layout.c (finalize_type_size): Dont override
273         existing alignment with a smaller alignment from the mode.
274
275 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
276
277         * lambda-code.c (lambda_vector_lexico_pos): Moved...
278         * lambda.h (lambda_vector_lexico_pos): ... here.
279         * tree-data-ref.c (build_classic_dist_vector): Return false when
280         the distance vector is lexicographically negative.
281
282 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
283
284         PR tree-optimization/23511
285         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
286         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
287
288 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
289
290         PR tree-optimization/22043
291         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
292         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
293         If ALLOW_FLEXARR, handle types ending with flexible array member.
294         Pass false as second argument to recursive count_type_elements calls.
295         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
296         argument to count_type_elements call.
297         * tree-sra.c (decide_block_copy): Likewise.
298         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
299         for a constant-sized object, set cleared as well.  Pass true as
300         second argument to count_type_elements call.
301
302 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
303
304         PR target/21571
305         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
306         from legitimate_small_data_p, and make global.  Update use.
307         Remove forward declaration.
308         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
309         Declare.
310         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
311
312 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
313
314         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
315         of scratch intermediates.
316         (eq<mode>_compare): Same.
317         (neg_eq0<mode>): New.
318         (neg_eq<mode>): Convert to define_insn_and_split.
319
320 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
321
322         PR target/23070
323         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
324         stdarg functions, set/clear the fp marker even when no variable
325         args are passed.
326         * config/rs6000/sysv4.opt (mprototype): Describe.
327
328 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
329
330         PR rtl-optimization/23478
331         * regs.h (reg_info): Add throw_calls_crossed.
332         (REG_N_THROWING_CALLS_CROSSED): Define.
333         * flow.c (allocate_reg_life_data): Initialize
334         REG_N_THROWING_CALLS_CROSSED.
335         (propagate_one_insn, attempt_auto_inc): Update
336         REG_N_THROWING_CALLS_CROSSED.
337         * global.c (global_alloc): Don't allocate pseudos across
338         calls that may throw.
339
340 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
341
342         PR c/18715
343         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
344         value is inbetween the range if we did not find an exact match.
345
346 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
347
348         * doc/invoke.texi (Option Summary): Add ms1 options.
349         * doc/extend.texi: Document interrupt handler attribute for ms1.
350         * doc/md.texi: Document ms1 constraints.
351         * config.gcc: Add ms1-*-elf.
352         * config/ms1/ms1.h: New.
353         * config/ms1/ms1.c: New.
354         * config/ms1/ms1.md: New.
355         * config/ms1/ms1-protos.h: New.
356         * config/ms1/ABI.txt: New.
357         * config/ms1/crti.asm: New.
358         * config/ms1/crtn.asm: New.
359         * config/ms1/lib2extra-funcs.c: New.
360         * config/ms1/t-ms1: New.
361         * config/ms1/ms1.opt: New.
362
363 2005-08-22 Ira Rosen <irar@il.ibm.com>
364
365         * config/rs6000/altivec.md (xorv4sf3): New.
366         (negv4sf2, neg<mode>2): Likewise.
367
368 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
369
370         PR target/23485
371         * config/ia64/ia64.md (divsi3): Check divide by zero.
372         (udivsi3): Likewise.
373         (divdi3): Likewise.
374         (udivdi3): Likewise.
375
376 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
377
378         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
379         up to elem_bitsize bits, not max_bitsize.
380
381 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
382
383         PR tree-optimization/23433
384         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
385         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
386
387 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
388
389         PR tree-optimization/23434
390         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
391         the iteration bound is not an INTEGER_CST.
392
393 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
394
395         * tree-vect-transform.c (get_initial_def_for_reduction): Set
396         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
397         NULL if need_epilog_adjust is false.
398         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
399         Case 3 always peels first itration, not just for PLUS case, and no need
400         to use scalar_initial_def here. Create an epilog adjustment only if
401         scalar_initial_def is not NULL.
402
403         (vectorizable_reduction): Remove assert. 
404
405 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
406
407         PR target/23485
408         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
409         (__moddi3): Likewise.
410         (__udivdi3): Likewise.
411         (__umoddi3): Likewise.
412         (__divsi3): Likewise.
413         (__modsi3): Likewise.
414         (__udivsi3): Likewise.
415         (__umodsi3): Likewise.
416
417 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
418
419         * tree-pass.h (TDF_GRAPH): Define.
420         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
421         * passes.c (finish_optimization_passes): Only call
422         finish_graph_dump_file if TDF_GRAPH is set.
423         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
424         NULL.  Set TDF_GRAPH bit.
425         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
426
427 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
428
429         * arm.h (arm_stack_offsets): Add locals_base field.
430         * arm.c (arm_get_frame_offsets): Compute it.
431         (thumb_compute_initial_elimination offset): Make the Thumb frame
432         pointer point to the base of the local variables.
433         (thumb_expand_prologue): Update accordingly.
434         (thumb_expand_epilogue): Likewise.
435
436         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
437         mode of clobbered scratch to DImode.  Handle a case that's known to
438         need this.
439
440 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
441
442         * config/rs6000/rs6000.md (gt0<mode>): Delete.
443         (gt0<mode>_compare): Delete.
444         (neg_gt0<mode>): Delete.
445
446 2005-08-19  Eric Christopher  <echristo@apple.com>
447
448         * optabs.h: Change CTI_ to COI_.
449         * optabs.c: Ditto.
450
451 2005-08-19  James E Wilson  <wilson@specifix.com>
452
453         * builtins.c (expand_builtin_return_addr): Set
454         current_function_accesses_prior_frames when count != 0.  Use
455         frame_pointer_rtx when count == 0.
456         * function.h (struct function): Add accesses_prior_frames field.
457         (current_function_accesses_prior_frames): Define.
458         * reload1.c (init_elim_table): Check
459         current_function_accesses_prior_frames.
460         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
461
462 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
463
464         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
465         indicator.  Return true if the flowgraph changed during
466         cleanup.
467
468 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
469
470         PR 23476
471         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
472         conditional expression before testing its value.
473
474 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
475
476         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
477
478 2005-08-19  Devang Patel  <dpatel@apple.com>
479
480         PR tree-optimization/23048
481         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
482         third parameter. Check whether latch is dominated by exit
483         block or not.
484         (if_convertible_loop_p): Supply exit block itself to
485         if_convertible_bb_p.
486
487 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
488
489         PR target/23473
490         * arm.md (arm_load_pic_register): Change argument to the mask of
491         saved registers.  Call thumb_find_work_register if we need a
492         scratch register on Thumb.
493         (arm_expand_prologue): Pass empty register set to
494         arm_load_pic_register.
495         (thumb_expand_prologue): Pass live_regs_mask directly to
496         arm_load_pic_register.
497         * arm-protos.h (arm_load_pic_register): Update prototype.
498
499 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
500
501         * sh.c (find_sole_member): New function.
502         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
503         if the record's alignment is larger than the size of its only member.
504
505 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
506
507         PR target/23436
508         * arm.c (thumb_legitimize_reload_address): New function.
509         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
510         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
511
512 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
513
514         * config/crx/crx.c: Implement crx_decompose_address. Reject
515         symbolic displacements since CRX register relative adressing
516         mode can't handle unsigned 32-bit values as displacements.
517         * config/crx/crx.h: Simplify definitions, remove redundant
518         parenthesis and obsolete macros.
519         * config/crx/crx.opt: Add new switch for debugging addresses.
520         * config/crx/crx-protos.h: Add new declarations for above.
521
522 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
523
524         PR middle-end/20624
525         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
526         looking past it.
527
528 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
529
530         * collect2.c (dup2): Delete.
531         * configure.ac: Don't check for dup2.
532
533         * config.in, configure: Regenerate.
534
535 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
536
537         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
538         record with the type of its only member.
539
540 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
541
542         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
543         define_insn_and_split.
544         (plus_ltu<mode>_compare): Same.
545         (gtu<mode>_compare): Same.
546         (plus_gtu<mode>_compare): Same.
547
548 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
549
550         PR tree-optimization/22228
551         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
552         todo_flags_start.
553         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
554         are recorded in vect_vnames_to_rename for renaming.
555         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
556         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
557         in vect_vnames_to_rename.
558         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
559         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
560
561 2005-08-18  Jan Hubicka  <jh@suse.cz>
562
563         PR c++/22034
564         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
565         info only for local statics, not for member variables.
566
567 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
568
569         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
570
571 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
572
573         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
574
575 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
576
577         PR middle-end/16045
578         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
579
580 2005-08-17  James E Wilson  <wilson@specifix.com>
581
582         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
583         array size check.
584
585 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
586
587         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
588         (leu<mode>_compare): Same.
589         (plus_leu<mode>): Same.
590         (neg_leu<mode>): Same.
591         (and_neg_leu<mode): Same.
592         (ltu<mode>_compare): Same.
593         (plus_ltu<mode>): Same.
594         (geu<mode>): Same.
595         (geu<mode>_compare): Same.
596         (plus_geu<mode>): Same.
597         (neg_geu<mode>): Same.
598         (and_neg_geu<mode>): Same.
599         (plus_gt<mode>): Same.
600         (gtu<mode>_compare): Same.
601         (plus_gtu<mode>): Same.
602
603 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
604
605         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
606         Move call_table_data to end.  Delete spurious .text.
607         (callt_save_all_interrupt): Fix comment typo.
608
609 2005-08-17  James E Wilson  <wilson@specifix.com>
610             Kevin Winchester  <winchester@amirix.com>
611
612         PR target/21684
613         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
614
615 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
616
617         PR target/23268
618         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
619         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
620
621 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
622
623         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
624         record with the type of its only member if the modes don't match.
625
626         * varasm.c (decode_reg_name): Skip empty additional register names.
627
628 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
629
630         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
631         lsm_tmp_name_length): New.
632         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
633         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
634
635 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
636             Andreas Krebbel  <krebbel1@de.ibm.com>
637
638         * config.gcc: Added z9-109 switch.
639         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
640         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
641         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
642         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
643         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
644         for "z9_109" cpu attribute.
645         * config/s390/s390.c (z9_109_cost): New processor cost structure.
646         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
647         (s390_handle_arch_option): Added z9-109 switch.
648         (override_options): Set respective cost function for z9-109.
649         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
650         (legitimate_reload_constant_p): Accept extended immediates.
651         (print_operand): Three new output modifiers added: k, m and o.
652         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
653         (s390_output_mi_thunk): Use extended immediate when possible.
654         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
655         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
656         (CONSTRAINT_LEN): Added length of O constraint.
657         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
658         * config/s390/s390.md ("cpu"): New value z9_109 added.
659         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
660         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
661         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
662         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
663         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
664         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
665         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
666         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
667         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
668         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
669         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
670         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
671         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
672         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
673         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
674         immediates.
675         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
676         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
677         insns for TARGET_EXTIMM.
678
679 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
680
681         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
682
683 2005-08-17  Nick Clifton  <nickc@redhat.com>
684
685         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
686         Call default_encode_section_info.
687
688 2005-08-17  Steven Bosscher  <stevenb@suse.de>
689
690         PR tree-optimization/21574
691         * tree-ssa-ccp.c (likely_value): If the right hand side is a
692         constant, return CONSTANT.
693         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
694         (ccp_fold, visit_assignment): Likewise.
695         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
696
697 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
698
699         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
700         fold_buildN instead of buildN then fold_initializer or fold.
701         (build_unary_op): Likewise.
702         (build_binary_op): Likewise.
703         * fold-const.c (fold_initializer): Remove.
704         (fold_build1_initializer): New function.
705         (fold_build2_initializer): New function.
706         (fold_build3_initializer): New function.
707         * tree.h (fold_initializer): Remove.
708         (fold_build1_initializer): New function.
709         (fold_build2_initializer): New function.
710         (fold_build3_initializer): New function.
711
712 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
713
714         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
715         (try_move_mult_to_index): Call fold_build2 instead of build2.
716         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
717         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
718         fold_binary_to_constant.
719         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
720         fold (build.
721         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
722         check if A == gcd (A, B).  Remove TYPE argument.
723         (analyze_offset) Use fold_build2 instead of fold (build.
724         (create_data_ref): Likewise.
725         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
726         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
727         then fold.
728
729 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
730
731         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
732         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
733
734 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
735
736         PR tree-opt/23402
737         * gimplify.c (zero_sized_type): New function.
738         (gimplify_modify_expr_rhs): If we have a zero sized type,
739         replace the statement with an empty statement.
740
741 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
742
743         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
744         fxsave.
745
746 2005-08-16  Ian Lance Taylor  <ian@airs.com>
747
748         * doc/tm.texi (Label Output): Correct typo.
749
750 2005-08-16  Steven Bosscher  <stevenb@suse.de>
751
752         PR target/23376
753         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
754         force_operand will work later on using have_insn_for.
755
756 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
757
758         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
759
760 2005-08-16  Ian Lance Taylor  <ian@airs.com>
761
762         PR c++/23337
763         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
764         vector type, don't try to construct it element by element.  Add an
765         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
766
767 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
768
769         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
770
771 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
772
773         * doc/invoke.texi (Precompiled Headers): Document some more options
774         which are known to be safe.
775
776 2005-08-16  James E Wilson  <wilson@specifix.com>
777
778         PR tree-optimization/21105
779         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
780         TREE_OVERFLOW check.
781
782 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
783
784         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
785         (neg_ltu<mode>): Same.
786         (gtu<mode>): Same.
787         (neg_gtu<mode>): Same.
788
789 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
790
791         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
792         (fold_builtin_isdigit): Use fold_buildN.
793         (build_function_call_expr): Likewise.
794         * c-typeck.c (c_finish_loop): Likewise.
795
796 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
797             Richard Shann <rshann@superh.com>
798
799         PR middle-end/20396:
800         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
801
802 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
803
804         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
805
806 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
807
808         PR target/23355
809         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
810         arm_compure_save_reg0_reg12_mask to determine when the PIC register
811         must be saved.
812
813 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
814
815         PR middle-end/23369
816         * fold-const.c (build_range_check): Disable optimization for function
817         pointer expressions on targets that require function pointer
818         canonicalization.
819
820 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
821
822         * simplify-rtx.c (simplify_const_relational_operation): When
823         extracting arguments of a COMPARE, recompute the mode as well.
824
825 2005-08-15  Ian Lance Taylor  <ian@airs.com>
826
827         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
828
829 2005-08-15  DJ Delorie  <dj@redhat.com>
830
831         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
832         the stack.
833         (movsi_splittable): Allow, but split, moves to the stack.
834         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
835         stack.
836
837 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
838
839         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
840         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
841         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
842
843         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
844         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
845         Delete HOST_PTR_PRINTF.
846
847         * configure, config.in: Regenerate.
848
849 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
850
851         * config/rs6000/rs6000.md (QHSI): New mode macro.
852         (wd): Extend mode attr for QImode and HImode
853         (dbits): New mode attr.
854         (zero_extend<mode>di2): Convert to mode macro.
855
856 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
857
858         PR target/21841
859         * doc/invoke.texi (-mgnu-ld): Update description.
860         (-mhp-ld): Ditto.
861
862 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
863
864         PR 23391
865         * Makefile.in (tree-chrec.o): Depends on real.h.
866         * tree-chrec.c: Include real.h.
867         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
868         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
869         * tree-scalar-evolution.c (add_to_evolution_1,
870         interpret_rhs_modify_expr): Ditto.
871
872 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
873
874         PR 23386
875         * tree-data-ref.c (estimate_niter_from_size_of_data): When
876         step is negative compute the estimation from init downwards to zero.
877
878 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
879
880         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
881
882 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
883
884         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
885         constraint.
886         (legitimate_reload_constant_p): Fix handling of lliXX operands.
887         Accept double-word constants that can be split.
888         * config/s390/s390.md ("movti"): Use 'P' constraint.
889         ("*movdi_31", "*movdf_31"): Likewise.
890
891 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
892
893         Fix PR tree-optimization/22615
894
895         * tree-ssa-structalias.c (solution_set_add): Handle
896         first_vi_for_offset returning NULL.
897         (do_da_constraint): Ditto.
898         (do_sd_constraint): Ditto.
899         (do_ds_constraint): Ditto
900         (find_func_aliases): Ditto.
901         (build_constraint_graph): RHS is allowed be ANYTHING.
902         (first_vi_for_offset): Return NULL if we couldn't find anything at
903         the offset.
904
905 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
906
907         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
908         over memory as first operand.
909
910 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
911
912         PR target/23360
913         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
914         available for setting it.
915
916 2005-08-14  Ira Rosen  <irar@il.ibm.com>
917
918         PR tree-optimization/23320
919         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
920         data-refs' types instead of base object nullness. Add check for
921         pointer type data-refs before first location comparison. Remove
922         assert.
923
924 2005-08-14  Andreas Schwab  <schwab@suse.de>
925
926         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
927
928 2005-08-13  James E Wilson  <wilson@specifix.com>
929
930         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
931         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
932         -fstack-protector-all, --param ssp-buffer-size): Document.
933         (-Wvariadic-macros): Alphabetize.
934         (-fsched-stalled-insns-dep): Add missing 'f'.
935
936         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
937         macros.
938
939 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
940
941         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
942         or indirect address operand.
943         (EXTRA_ADDRESS_CONSTRAINT): New.
944         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
945
946 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
947
948         PR tree-optimization/22236
949         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
950         successors and predecessors.
951         * tree-chrec.c (chrec_convert): Before converting, check that
952         sequences don't wrap.
953         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
954         (analyze_array): Extern.
955         (find_data_references_in_loop): Remove call to
956         compute_estimated_nb_iterations.
957         * tree-data-ref.h (analyze_array): Declared.
958         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
959         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
960         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
961         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
962         condition.
963         * tree-ssa-loop-ivcanon.c: Fix documentation.
964         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
965         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
966         (infer_loop_bounds_from_undefined): New.
967         (estimate_numbers_of_iterations_loop): Use
968         infer_loop_bounds_from_undefined.
969         (used_in_pointer_arithmetic_p): New.
970         (scev_probably_wraps_p): Pass an extra parameter.  Call
971         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
972         (convert_step): Fix documentation.
973         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
974         Use initial_condition_in_loop_num and evolution_part_in_loop_num
975         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
976         scev_probably_wraps_p.
977
978 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
979
980         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
981         (s390_register_info): Ignore clobbered_regs information for fixed
982         registers, and only fixed registers.
983         (s390_init_frame_layout): Remove redundant call.
984
985 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
986
987         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
988         description of -Wold-style-casts.
989
990 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
991             Jakub Jelinek  <jakub@redhat.com>
992
993         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
994         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
995         * config/s390/s390.c (print_operand): New output modifier 'G' added.
996         (get_thread_pointer): Renamed to s390_get_thread_pointer.
997         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
998         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
999         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1000         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1001         ("stack_protect_set", "stack_protect_test"): New expanders.
1002         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1003         "stack_protect_testdi"): New insn definitions.
1004
1005 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1006
1007         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1008
1009 2005-08-12  Paul Brook  <paul@codesourcery.com>
1010
1011         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1012
1013 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1014
1015         * config/s390/predicates.md (setmem_operand): New predicate.
1016         (shift_count_operand): Accept ANDs with special constants as
1017         operand.
1018         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1019         with special constants.
1020         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1021         shift_count_operand with setmem_operand.
1022
1023 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1024
1025         * config/s390/s390.c (s390_extract_part, s390_single_part):
1026         Type cast added.
1027         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1028         (s390_output_mi_thunk): Don't use lg on 31 bit.
1029         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1030         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1031
1032 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1033
1034         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1035         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1036         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1037         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1038         with one of the new macros.
1039
1040 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1041
1042         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1043         Don't set save_return_addr_p.
1044         (s390_register_info): Make clobbered_regs not depending on
1045         save_return_addr_p.
1046
1047 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1048
1049         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1050         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1051
1052 2005-08-11  James E. Wilson  <wilson@specifix.com>
1053
1054         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1055
1056 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
1057
1058         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1059         locations gathered by var-tracking in single entry loc_list
1060         over loc_descriptor_from_tree.
1061
1062         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1063         pass it down to loc_descriptor.
1064         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1065         (containing_function_has_frame_base): Move earlier in the file.
1066         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1067         instead of always assuming fbreg can't be used.
1068
1069 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
1070
1071         * config/rs6000/altivec.md: Change constraint "m" to "Z".
1072         * config/rs6000/predicates.md (indexed_or_indirect_operand):
1073         Accept address wrapped in AND for Altivec.
1074         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1075         Strip AND wrapping offset address for Altivec.
1076
1077 2005-08-11  Richard Henderson  <rth@redhat.com>
1078
1079         PR middle-end/23312
1080         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1081         before using TYPE_IS_SIZETYPE.
1082
1083 2005-08-11  Richard Henderson  <rth@redhat.com>
1084
1085         PR target/22225
1086         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1087         insn types not present on ev4.
1088         (alphaev5_insn_pipe): Similarly.
1089
1090 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1091
1092         PR target/23250
1093         * arm.c (arm_override_options): If the user has selected callee-super-
1094         interworking, then enable normal interworking.
1095
1096 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1097
1098         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1099         redefinition.
1100
1101 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
1102
1103         * doc/rtl.texi: Fix two typos.
1104
1105 2005-08-11  Richard Guenther  <rguenther@suse.de>
1106
1107         PR target/23289
1108         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1109         cases where we call to/from functions returning void.
1110
1111 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
1112
1113         PR c++/23225
1114         * tree.c (build_pointer_type_for_mode): Robustify.
1115
1116 2005-08-10  James E Wilson  <wilson@specifix.com>
1117
1118         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1119         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1120
1121         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1122         "cum->".
1123
1124 2005-08-10  Eric Christopher  <echristo@apple.com>
1125
1126         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1127         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1128         V2DFmode.
1129
1130 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
1131
1132         PR target/21887
1133         * config/darwin.c (machopic_indirect_data_reference): Use a new register
1134         for the high part when generating dynamic-no-pic code.
1135
1136 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1137
1138         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1139         (x86_64-*-linux*): Likewise.
1140
1141         * config/i386/crtfastmath.c: New file.
1142         * config/i386/t-crtfm: Likewise.
1143
1144         * config/i386/linux.h (ENDFILE_SPEC): New.
1145         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1146
1147         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1148         crtfastmath.o.
1149
1150 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
1151
1152         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1153         (vec_shl, vec_shr): Document new operations.
1154         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1155
1156 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
1157
1158         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1159         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1160         change predicate to indexed_or_indirect_address.
1161
1162 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1163
1164         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1165         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1166         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1167         and __aeabi_uwrite8.
1168         * config/arm/unaligned-funcs.c: New file.
1169         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1170
1171 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1172
1173         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1174         Add dump.
1175         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1176         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1177         Add dump.
1178         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1179         * final.c (pass_shorten_branches): Add dump.
1180         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1181         (pass_life): Rename dump.
1182         (rest_of_handle_flow2): Remove initial verify_flow_info.
1183         * function.c (pass_instantiate_virtual_regs): Add dump.
1184         * integrate.c (pass_initial_value_sets): Add dump.
1185         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1186         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1187         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1188         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1189         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1190         gate_rtl_unrool_and_peel_loops): New.
1191         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1192         rtl_doloop): Do not look at flags.
1193         * mode-switching.c (pass_mode_switching): Add dump.
1194         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1195         pass_split_before_regstack): Add dump.
1196         * regmove.c (pass_stack_adjustments): Add dump.
1197         * tree-optimize.c (pass_fixup_cfg): Add dump.
1198
1199 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1200
1201         PR 23309
1202         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1203         deciding which instruction sequence to use.
1204
1205 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1206
1207         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1208         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1209
1210 2005-08-09  Richard Guenther  <rguenther@suse.de>
1211
1212         * c-common.c (builtin_function_2): Remove.
1213         (def_builtin_1): New function.
1214         (c_common_nodes_and_builtins): Use def_builtin_1 to
1215         build builtin functions.
1216
1217 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1218
1219         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1220         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1221         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1222         Visual DSP.
1223
1224 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1225
1226         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1227         fold_binary instead of fold_build2 since we don't care about the
1228         resulting tree.
1229         (loop_niter_by_eval): Likewise.
1230         (compare_trees): Likewise.
1231         (proved_non_wrapping_p): Likewise.
1232
1233 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1234
1235         PR c/23161
1236         PR c/23165
1237         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1238         if the if is really empty.
1239
1240 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1241
1242         PR tree-optimization/23234
1243         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1244         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1245         argument of the new enum.
1246         (execute_cse_reciprocals): Add reciprocals for function arguments
1247         on the unique successor edge of the entry block.  Update other calls
1248         to execute_cse_reciprocals_1.
1249
1250 2005-08-08  Richard Henderson  <rth@redhat.com>
1251
1252         PR 22439
1253         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1254
1255 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1256
1257         * expr.c (write_complex_part): Return after handling MEM.
1258
1259 2005-08-08  Josh Conner  <jconner@apple.com>
1260
1261         PR rtl-optimization/23241
1262         * combine.c (simplify_comparison): Fix error in determining
1263         whether to lift a subreg from comparison.
1264
1265 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
1266
1267         PR target/18506
1268         * config/rs6000/altivec.md (vec_init<mode>): New.
1269         (vec_set<mode>): New.
1270         (vec_extract<mode>): New.
1271         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1272         (rs6000_expand_vector_set): New.
1273         (rs6000_expand_vector_extract): New.
1274         (rs6000_legitimate_offset_address_p): Offset addresses are valid
1275         for Altivec modes before reload.
1276         (altivec_expand_vec_init_builtin): New.
1277         (get_element_number): New.
1278         (altivec_expand_vec_set_builtin): New.
1279         (altivec_expand_vec_ext_builtin): New.
1280         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1281         builtins.
1282         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1283         builtins.
1284         * config/rs6000/rs6000.h (rs6000_builtins): Add
1285         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1286         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1287         * config/rs6000/rs6000-protos.h: Declare new functions.
1288
1289 2005-08-08  Jan Hubicka  <jh@suse.cz>
1290
1291         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1292         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1293         * i386.md (movdi*): Use pic_32bit_operand.
1294         * predicates.md (pic_32bit_operand): New.
1295
1296 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
1297
1298         PR c++/21166
1299         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1300
1301 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
1302
1303         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1304         (test_for_singularity): Use fold_build2.
1305
1306 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1307
1308         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1309
1310 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
1311
1312         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1313         (COMMON_ASM_OP) Define.
1314         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1315         (ix86_encode_section_info): Likewise.
1316         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1317         SUBTARGET_ENCODE_SECTION_INFO.
1318
1319 2005-08-06  Richard Henderson  <rth@redhat.com>
1320
1321         PR 21894
1322         * tree-nested.c (convert_local_reference): Save and restore val_only
1323         around component_ref and friends.  Clear walk_subtrees by default.
1324
1325 2005-08-06  Peter O'Gorman  <peter@pogma.com>
1326
1327         PR 21366
1328         * gcc.c (process_command): Check the argument to -b has a dash.
1329         * doc/invoke.texi: Update -b and -V docs.
1330
1331 2005-08-06  James E Wilson  <wilson@specifix.com>
1332
1333         * config/mips/cross64.h, config/mips/t-cross64: Delete.
1334
1335 2005-08-06  Michael Matz  <matz@suse.de>
1336
1337         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1338         member only if only one insn is associated with the value.
1339
1340 2005-08-06  Nick Clifton  <nickc@redhat.com>
1341
1342         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1343         New define.
1344         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1345         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1346         Check symbol flags instead of symbol name mangling.
1347         (xstormy16_asm_output_aligned_common): Likewise.  Also
1348         simplify code since the bss100_section cass is the only case
1349         where the below100 code will be triggered.
1350         (xstormy16_encode_section_info): Encode below100 attribute
1351         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1352         the name.
1353         (xstormy16_strip_name_encoding): Delete - this function is no
1354         longer needed.
1355         (TARGET_STRIP_NAME_ENCODING): Undefine.
1356         * config/stormy16/stormy16-protos.h: Delete prototype for
1357         xstormy16_strip_name_encoding.
1358
1359 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
1360
1361         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1362         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1363         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1364         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1365         config/alpha/predicates.md, config/arc/arc.h,
1366         config/arm/arm.h, config/arm/ieee754-df.S,
1367         config/arm/ieee754-sf.S, config/bfin/bfin.c,
1368         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1369         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1370         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1371         config/m68hc11/m68hc11.h, config/mips/mips.c,
1372         config/mips/mips.h, config/mips/openbsd.h,
1373         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1374         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1375         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1376         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1377         config/sparc/linux.h, config/sparc/linux64.h,
1378         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1379         doc/extend.texi, doc/gcov.texi, doc/install.texi,
1380         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1381         typos.  Follow spelling conventions.
1382
1383 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
1384
1385         PR c/23113
1386         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1387         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1388         specially.  Check for side effects only for COND_EXPR.
1389         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1390         return with TREE_NO_WARNING.
1391
1392 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
1393
1394         PR rtl-optimization/23233
1395         * loop.c (combine_movables): Require the modes to be the same.
1396         (move_movables): Remove handling of cases where the replacement
1397         had a different mode to the original.
1398
1399 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
1400
1401         PR tree-optimization/23128
1402         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1403         subtraction wrap, and set TREE_OVERFLOW if they do.
1404
1405 2005-08-05  Richard Henderson  <rth@redhat.com>
1406
1407         PR 21728
1408         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1409         FORCED_LABEL labels.
1410
1411 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
1412
1413         PR middle-end/23135
1414         * reload.c (find_reloads_subreg_address): Pass down TYPE
1415         unchanged.  Change all callers except find_reloads_toplev.
1416
1417 2005-08-05  Michael Matz  <matz@suse.de>
1418
1419         * genattrtab.c (current_alternative_string): Remove.
1420         (SIMPLIFY_ALTERNATIVE): Ditto.
1421         (attr_alt_bit_p): Ditto.
1422         (alternative_name): Make const char *.
1423         (evaluate_eq_attr): Remove use of above things.
1424         (simplify_test_exp): Ditto.
1425         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1426         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1427
1428 2005-08-04  James E Wilson  <wilson@specifix.com>
1429
1430         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1431         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1432         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1433         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1434         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1435
1436 2005-08-04  Richard Henderson  <rth@redhat.com>
1437
1438         PR 21529
1439         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1440         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1441         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
1442         if we'd have to instantiate too many members.
1443
1444 2005-08-04  Richard Henderson  <rth@redhat.com>
1445
1446         PR 21291
1447         * tree-outof-ssa.c (coalesce_asm_operands): New.
1448         (coalesce_ssa_name): Use it.  Split out ...
1449         (coalesce_phi_operands, coalesce_result_decls): ... these.
1450
1451 2005-08-04  Paul Brook  <paul@codesourcery.com>
1452
1453         * read-rtl.c (read_quoted_string): Break if EOF.
1454
1455 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
1456
1457         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1458         (fold_build2): Likewise.
1459         (fold_build3): Likewise.
1460         (fold_build1_stat): New function prototype.
1461         (fold_build2_stat): Likewise.
1462         (fold_build3_stat): Likewise.
1463         * fold-const.c (fold_build1): Rename to ..
1464         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1465         through to build1_stat.
1466         (fold_build2): Rename to ..
1467         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1468         through to build2_stat.
1469         (fold_build3): Rename to ..
1470         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1471         through to build3_stat.
1472
1473 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
1474             Ian Lance Taylor  <ian@airs.com>
1475
1476         * function.c (assign_stack_local_1): Do not correct stack slot
1477         address if allocation size is smaller than mode size.
1478
1479 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
1480
1481         PR 22037
1482         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1483         (tree_merge_blocks): Propagate anything allowed by
1484         may_propagate_copy.
1485         Clarify documentation.
1486         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1487         SSA form, schedule an update if necessary.
1488
1489 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
1490
1491         * doc/install.texi (Binaries): Remove broken link to
1492         Sinix/Reliant Unix binaries.
1493
1494 2005-08-03  Richard Henderson  <rth@redhat.com>
1495
1496         PR 23221
1497         * function.c (stack_protect_epilogue): Export.
1498         * tree.h (stack_protect_epilogue): Declare.
1499         * calls.c (expand_call): Call it.
1500
1501 2005-08-03  Eric Christopher  <echristo@apple.com>
1502
1503         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1504         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1505         spec.
1506
1507 2005-08-04  Jan Hubicka  <jh@suse.cz>
1508
1509         * profile.c (branch_prob): Split edges with goto locus on them
1510         to get proper line counts.
1511         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1512
1513 2005-08-03  Paul Brook  <paul@codesourcery.com>
1514
1515         * function.c (assign_parms): Round current_function_args_size
1516         to PARM_BOUNDARY, not STACK_BOUNDARY.
1517
1518 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
1519
1520         * config/i386/i386.c (x86_elf_aligned_common)
1521         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1522
1523 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
1524
1525         PR tree-optimization/23157
1526         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1527         before emitting them.
1528
1529 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1530
1531         PR tree-optimization/19899
1532         * Makefile.in (tree-scalar-evolution.o): Add real.h.
1533         * tree-scalar-evolution.c: Include real.h.
1534         (add_to_evolution): Build constant -1 of correct type.
1535
1536 2005-08-03  Jan Hubicka  <jh@suse.cz>
1537
1538         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1539         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1540         profile updating for complette unrolling.
1541         * loop-unroll.c (peel_loop_completely): Use it.
1542         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1543         (tree_unroll_loops_completely): Disable code growing unrolling of cold
1544         loops.
1545
1546 2005-08-03  Paul Brook  <paul@codesourcery.com>
1547
1548         * combine.c (can_change_dest_mode): New function.
1549         (try_combine, simplify_set): Use it.
1550
1551 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
1552
1553         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1554         TFmode to BLKmode.
1555
1556 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
1557
1558         * doc/install.texi (Specific): Adjust link to openavr.org.
1559         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1560         (Binaries): Adjust HP-UX Porting Center link.
1561         (Binaries): Adjust Free Software Foundation ordering link.
1562
1563 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
1564
1565         * convert.c (convert_to_integer): Use fold_build1 instead of
1566         build1 when converting an integer to an integer.
1567
1568 2005-08-02  Richard Henderson  <rth@redhat.com>
1569
1570         * combine.c (combine_instructions): Don't use reg_equal/equiv
1571         results if the mode doesn't match.
1572
1573 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
1574
1575         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1576         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1577
1578 2005-08-02  Richard Henderson  <rth@redhat.com>
1579
1580         PR 23196
1581         * explow.c (memory_address): Remove special-case for
1582         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1583
1584 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
1585
1586         PR 23164
1587         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1588         number of calls to cleanup_tree_cfg_1.
1589
1590 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
1591
1592         * doc/invoke.texi: document file extensions .F90 and .F95
1593
1594 2005-08-02  Richard Guenther  <rguenther@suse.de>
1595
1596         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1597         positive if its first argument is positive.
1598
1599 2005-08-02  Richard Guenther  <rguenther@suse.de>
1600
1601         PR tree-optimization/23177
1602         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1603         on TMR_TAG.
1604
1605 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
1606
1607         PR tree-optimization/23129
1608         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1609         varying for divisions with anti-ranges.
1610
1611 2005-08-02  Jan Hubicka  <jh@suse.cz>
1612
1613         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1614         * tree-ssa-threadupdate.c (thread_block): Add it here.
1615
1616 2005-08-01  James E Wilson  <wilson@specifix.com>
1617
1618         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1619         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1620         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1621         New.
1622         * config/mips/predicates.md (const_call_insn_operand): Add check for
1623         SYMBOL_REF_LONG_CALL_P.
1624         * doc/extend.texi (long_call): Document the new attribute.
1625
1626 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1627             Richard Henderson  <rth@redhat.com>
1628
1629         * Makefile.in (RTL_BASE_H): Add real.h.
1630         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1631         instead of memcpy.
1632         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1633         directly.
1634         * rtl.c (rtl_check_failed_code_mode): New.
1635         * rtl.h (struct rtx_def): Add u.rv.
1636         (XCMWINT, XCNMPRV): New.
1637         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1638         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1639
1640 2005-08-01  Richard Henderson  <rth@redhat.com>
1641
1642         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1643         with auto-inc codes.
1644
1645         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1646
1647 2005-08-01  Jan Hubicka  <jh@suse.cz>
1648
1649         * i386-protos.h (asm_preferred_eh_data_format): Declare.
1650         * i386.c: Include dwarf2.h
1651         (asm_preferred_eh_data_format): New.
1652         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1653
1654 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1655
1656         * config/host-linux.c (linux_gt_pch_get_address): Add new name
1657         randomize_va_space for virtual address randomization control.
1658
1659 2005-08-01  Steven Bosscher  <stevenb@suse.de>
1660
1661         * common.opt (flag_ipa_cp): Put in right place to maintain
1662         alphabetic sort.
1663
1664 2005-08-01  Jan Hubicka  <jh@suse.cz>
1665
1666         * profile.c (compute_value_histograms): Fix thinko.
1667         * value-prof.c: Include toplev.h
1668         (check_counter): New function.
1669         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1670         tree_mod_subtract_transform): Add sanity check.
1671
1672 2005-08-01  Richard Guenther  <rguenther@suse.de>
1673
1674         PR tree-optimization/23133
1675         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1676         current functions parameter decls to find defs to cse
1677         reciprocals of.
1678
1679 2005-08-01  Richard Guenther  <rguenther@suse.de>
1680
1681         PR tree-optimization/23109
1682         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1683         If trapping math is in effect, use post-dominator information
1684         to check if we'd in any case reach a trapping point before
1685         doing the reciprocal insertion.
1686         (execute_cse_reciprocals): Compute post-dominators, if necessary.
1687         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1688         expressions are invariant only if trapping math is not in effect.
1689
1690 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1691
1692         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1693         cgraph_function_versioning): New declarations.
1694         * cgraphunit.c: Add include to ipa-prop.h.
1695         (update_call_expr, cgraph_copy_node_for_versioning,
1696         cgraph_function_versioning): New functions.
1697         * integrate.c (copy_decl_for_inlining): Remove.
1698         * ipa-prop.h (ipa_replace_map): New struct.
1699         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1700         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1701         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1702         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1703         ipcp_iterate_stage, ipcp_method_scale_print,
1704         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1705         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1706         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1707         ipcp_update_bb_counts, ipcp_update_profiling,
1708         ipcp_update_edges_counts): New functions.
1709         (ipcp_method_cval_init): Remove restriction regarding local methods.
1710         (ipcp_init_stage): Add ipcp_method_compute_scale.
1711         (ipcp_insert_stage): Add versioning.
1712         (ipcp_structures_print): Add ipcp_method_scale_print.
1713         (ipcp_driver): Dump profiling info.
1714         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1715         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1716         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1717         (struct inline_data): Add versioning_p, ipa_info, new fields.
1718         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1719         declare_return_variable): Replace calls to copy_decl_for_inlining with
1720         copy_decl_for_dup.
1721         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1722         versioning support.
1723         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1724         Add argument VERSIONING.
1725         (copy_arguments_for_versioning, copy_static_chain,
1726         function_versionable_p, tree_versionable_function_p,
1727         tree_function_versioning, replace_ref_tree): New functions.
1728         * tree-inline.h: Include varray.h.
1729         (tree_versionable_function_p,  tree_function_versioning,
1730         tree copy_decl_for_dup): New declarations.
1731
1732 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1733
1734         * ipa-cp.c: New file. Contains IPCP specific functionality.
1735         * ipa-prop.h: New file. Contains structures/definitions that can be
1736         used by several interprocedural data flow optimizations (and also IPCP).
1737         * ipa-prop.c: New file.
1738         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1739         * common.opt: Add ipa-cp flag.
1740         * timevar.def: Add IPCP optimization.
1741         * tree-optimize.c (init_tree_optimization_passes): Schedule
1742         pass_ipa_cp.
1743         * tree-pass.h (pass_ipa_cp): Declare.
1744
1745 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
1746
1747         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1748         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1749         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1750         config/i386/i386.c, config/mips/mips.h,
1751         config/rs6000/rs6000.h, config/sh/sh.c,
1752         config/stormy16/stormy16.c: Fix comment typos.
1753
1754 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
1755
1756         PR c/22311
1757         * c-typeck.c (build_binary_op): Use common_type wrapper on
1758         shortened types.
1759         (common_type): Update comment.
1760
1761 2005-07-31  Steven Bosscher  <stevenb@suse.de>
1762
1763         PR target/23095
1764         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1765         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1766         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1767
1768 2005-07-31  Jan Hubicka  <jh@suse.cz>
1769
1770         * pretty-print.h (pp_widest_integer): New macro.
1771         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1772         counts.
1773
1774 2005-07-31  Jan Hubicka  <jh@suse.cz>
1775
1776         * output.h (enum section_category): Export from varasm.c
1777         (categorize_decl_for_section): Likewise.
1778         * varasm.c (enum section_category): Kill.
1779         (categorize_decl_for_section): Make global.
1780         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1781         Declare.
1782         * i386.c (ix86_section_threshold): New static variable.
1783         (ix86_in_large_data_p, ix86_encode_section_info,
1784         x86_64_elf_unique_section,
1785         x86_64_elf_select_section): New functions.
1786         (TARGET_ENCODE_SECTION_INFO): Define
1787         (override_options): Enable medium model for PIC.
1788         (ix86_expand_prologue): Expand gen_set_got_rex64.
1789         (legitimate_constant_p): Handle new UNSPECs.
1790         (legitimate_pic_address_disp_p): Likewise.
1791         (legitimize_pic_address): Lower MEDIUM model addressing.
1792         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1793         (enum cmodel): Add MEDIUM_PIC.
1794         (SYMBOL_REF_FAR_ADDR_P): New macro.
1795         (SYMBOL_FLAG_FAR_ADDR): New flag.
1796         * i386.md (movdi): Support medium model.
1797         (set_got_rex64): New pattern.
1798         * i386.opt (mlarge-data-threshold): New flag.
1799         * predicates.md (zext_operand/sext_operand): Deal with medium model.
1800         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1801         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1802         TARGET_ASM_UNIQUE_SECTION): New.
1803
1804         * invoke.texi (-mlarge_data_threshold): Document
1805
1806 2005-07-31  Jan Hubicka  <jh@suse.cz>
1807
1808         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1809         (coalesce_vars): Likewise.
1810         * tree-ssa-live.c (coalesce_cost): New.
1811         (build_tree_conflict_graph): Use coalesce_cost.
1812         * tree-ssa-live.h (coalesce_cost): Declare.
1813
1814 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1815
1816         * arm.md (all peepholes for post-increment operations): Delete.
1817         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1818         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1819         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1820         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1821         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1822
1823 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
1824
1825         * fold-const.c (tree_expr_nonnegative_p): Always return true for
1826         non-integral types.
1827
1828 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
1829
1830         PR target/22582
1831         * doc/invoke.texi: Document -rdynamic.
1832
1833 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
1834
1835         PR c/23143
1836         * c-parser.c (c_parser_parms_list_declarator): Call
1837         mark_forward_parm_decls.
1838         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1839         decls with visibility structure.
1840
1841 2005-07-30  Paul Brook  <paul@codesourcery.com>
1842
1843         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1844
1845 2005-07-30  Paul Brook  <paul@codesourcery.com>
1846
1847         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1848         prototype.
1849         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1850         value for mode.
1851         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1852
1853 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1854
1855         PR c/529
1856         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1857         nested function declarators.
1858         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1859         (grokparms): Call warn_if_shadowing for parameters used within the
1860         parameter list.
1861         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1862         not used within the parameter list.
1863         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1864
1865 2005-07-30  Jan Hubicka  <jh@suse.cz>
1866
1867         * expr.c (expand_expr_real_1): Do not load mem targets into register.
1868         * i386.c (ix86_fixup_binary_operands): Likewise.
1869         (ix86_expand_unary_operator): Likewise.
1870         (ix86_expand_fp_absneg_operator): Likewise.
1871         * optabs.c (expand_vec_cond_expr): Validate dest.
1872
1873 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1874
1875         PR c/21720
1876         * real.c (real_from_string): Also set last bit if there is a
1877         nonzero hex digit beyond GCC's internal precision after ".".
1878
1879 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
1880
1881         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1882         define_constants.  Change duplicate values to unassigned numbers.
1883         Change UNSPEC_SUBS to UNSPEC_VSUBS.
1884         (*altivec_vspltsf): New.
1885         (altivec_vperm_v4sf): Delete.
1886         (altivec_vperm_<mode>): Use mode macro V.
1887         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1888         (altivec_predicate_v4sf): Delete.
1889         (altivec_predicate_<mode>): Use mode macro V.
1890         (*altivec_lvesfx): New.
1891         (*altivec_stvesfx): New.
1892         (vec_realign_load_v4sf): Delete.
1893         (vec_realign_load_<mode>): Use mode macro V.
1894         * config/rs6000/rs6000.c (generate_set_vrsave): Use
1895         UNSPECV_SET_VRSAVE.
1896
1897 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
1898
1899         PR bootstrap/23131
1900         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1901         string.
1902         * configure: Regenerated.
1903
1904 2005-07-29  Paul Brook  <paul@codesourcery.com>
1905
1906         * doc/install.texi: Add link to GFortran binaries wiki page.
1907
1908 2005-07-29  David Ung  <davidu@mips.com>
1909
1910         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1911         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1912         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1913         * config/mips/mips.md (cpu): Add 5kf name.
1914         (includes): Includes 5k.md.
1915         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1916         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1917         -march flag.
1918
1919 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1920
1921         PR 22550
1922         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1923         (cleanup_tree_cfg): ... here.
1924         Call cleanup_tree_cfg_1 until there are no more cleanups to
1925         do.
1926
1927 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
1928
1929         * tree-vrp.c (compare_range_with_value): Return true or false
1930         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1931         EQ_EXPR respectively.
1932
1933 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
1934
1935         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1936         Fix comment typos.
1937
1938 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1939
1940         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1941         (tree_ssa_dominator_optimize): Increment it.
1942         (dump_dominator_optimization_stats): Print it.
1943
1944 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
1945             Steven Bosscher  <stevenb@suse.de>
1946
1947         PR rtl-optimization/23117
1948         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1949         when head == tail.  Tidy comment.
1950
1951 2005-07-28  Richard Henderson  <rth@redhat.com>
1952
1953         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1954         * cselib.c (rtx_equal_for_cselib_p): Likewise.
1955         * jump.c (rtx_renumbered_equal_p): Likewise.
1956         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1957         CONST_INT and CONST_DOUBLE.
1958         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1959         * reload.c (operands_match_p): Special case CONST_INT and
1960         CONST_DOUBLE; check mode earlier.
1961
1962 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1963
1964         PR c/22240
1965         * c-typeck.c (convert_for_assignment): Do not check
1966         DECL_IN_SYSTEM_HEADER on NULL fundecl.
1967
1968 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1969
1970         PR c/22192
1971         * c-typeck.c (composite_type): Prefer constant size arrays to
1972         VLAs.
1973
1974 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1975
1976         PR c/21720
1977         * real.c (real_from_string): Set last bit if there is a nonzero
1978         hex digit beyond GCC's internal precision.
1979
1980 2005-07-28  Richard Henderson  <rth@redhat.com>
1981
1982         PR rtl-opt/22619
1983         * cfgcleanup.c (try_forward_edges): Watch out for end of
1984         insn chain.
1985
1986 2005-07-28  James E Wilson  <wilson@specifixinc.com>
1987
1988         PR c/23106
1989         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1990
1991 2005-07-28  Jan Hubicka  <jh@suse.cz>
1992
1993         * Makefile.in (rtl-profile.o): Kill all traces of it.
1994         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1995         * coverage.h (rtl_coverage_counter_ref): Kill.
1996         * opts.c (flag_speculative_prefetching_set): Kill.
1997         (flag_loop_optimize_set): New.
1998         (common_handle_option): Disable loop optimizer when profiling;
1999         do not handle speculative prefetching.
2000         * passes.c (init_optimization_passes): Replace pass_profiling combo
2001         by branch_prob pass.
2002         * profile.c (compute_value_histograms): Update for simplified value
2003         profiles.
2004         (rtl_register_profile_hooks): Kill.
2005         (pass_profiling): Kill.
2006         (rest_of_handle_branch_prob): Do not profile.
2007         * toplev.c (process_options): Remove speculative prefetching.
2008         * toplev.h (flag_tree_based_profiling): Kill.
2009         * tree-profile.c (prepare_instrumented_value,
2010         tree_gen_interval_profiler, tree_gen_pow2_profiler,
2011         tree_gen_one_value_profiler, do_tree_profiling): Update for
2012         simplified datastructures.
2013         * value-prof.c: Add comment that speculative prefetching was dropped;
2014         update rest of file for simplified datastructures.
2015         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2016         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2017         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2018         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2019         rtl_mod_subtract, gen_speculative_prefetch,
2020         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2021         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2022         (gate_handle_value_profile_transformations,
2023         rest_of_handle_value_profile_transformations,
2024         pass_value_profile_transformations): Kill.
2025         * value-prof.h (histogram_value_t): Remove IL based unions.
2026         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2027         rtl_profile_hooks): Remove hooks.
2028
2029         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2030
2031         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2032         (cgraph_clone_node): Likewise.
2033         * cgraph.h (cgraph_clone_edge): Update prototype.
2034         (cgraph_clone_node): Likewise.
2035         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2036         cgraph_clone_node.
2037         (lookup_recursive_calls): Consider profile.
2038         (cgraph_decide_recursive_inlining): Fix updating; use new
2039         probability argument; use profile.
2040         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2041         * tree-inline.c (copy_bb): Update clal of clone_edge.
2042         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2043
2044         * invoke.texi (min-inline-recursive-probability): Document.
2045
2046 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
2047
2048         * doc/install.texi (Configuration): Update Valgrind homepage.
2049
2050 2005-07-28  Richard Henderson  <rth@redhat.com>
2051
2052         PR middle-end/21362
2053         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2054         labels we want to delete.
2055         (cfg_layout_merge_blocks): Likewise.
2056
2057 2005-07-28  Richard Henderson  <rth@redhat.com>
2058
2059         PR target/17692
2060         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2061         when expanding to nothing.
2062
2063 2005-07-28  Josh Conner  <jconner@apple.com>
2064
2065         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2066         (cgraph_decide_inlining_of_small_functions): Likewise.
2067
2068 2005-07-28  Josh Conner  <jconner@apple.com>
2069
2070         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
2071         direction of badness if negative.
2072         (cgraph_default_inline_p): Add reason to parameters, and assign it
2073         a value.
2074         (cgraph_decide_inlining_of_small_functions): New parameter in call
2075         to cgraph_default_inline_p.
2076         (cgraph_decide_inlining_incrementally): Likewise.
2077         * cgraphunit.c (decide_is_function_needed): Likewise.
2078         * cgraph.h (cgraph_default_inline_p): Likewise.
2079
2080 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2081
2082         * builtins.c: Fix comment typo(s).
2083         * genautomata.c: Likewise.
2084         * gimplify.c: Likewise.
2085         * tree-dfa.c: Likewise.
2086         * tree-flow-inline.h: Likewise.
2087         * tree-into-ssa.c: Likewise.
2088         * tree-ssa-alias.c: Likewise.
2089         * tree-ssa-ccp.c: Likewise.
2090         * tree-ssa-copy.c: Likewise.
2091         * tree-ssa-dce.c: Likewise.
2092         * tree-ssa-dom.c: Likewise.
2093         * tree-ssa-operands.c: Likewise.
2094         * tree-tailcall.c: Likewise.
2095         * tree-vectorizer.c: Likewise.
2096         * tree-vrp.c: Likewise.
2097         * tree.c: Likewise.
2098
2099 2005-07-28  Jeff Law  <law@redhat.com>
2100
2101         * tree-vrp.c (test_for_singularity): Extracted from  ...
2102         (simplify_cond_using_ranges): Attempt to simplify a relational
2103         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
2104
2105 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
2106
2107         PR tree-optimization/22506
2108         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2109         phis whose argument is constant.
2110
2111 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
2112
2113         PR rtl-optimization/18992
2114         Back out this patch:
2115           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2116           PR optimization/12142
2117           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2118           uses of the register in the SET_SRC.  Remove unnecessary argument.
2119
2120         Replace it with this:
2121         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2122         if flag_non_call_exceptions is set and the insn may trap, pass
2123         pc_rtx as dest for recursion.
2124         In SET_SRC part of SET case, if dest is already set, pass it down
2125         unchanged.
2126
2127 2005-07-28  Jan Hubicka  <jh@suse.cz>
2128
2129         * cfg.c (update_bb_profile_for_threading): Use RDIV.
2130         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2131         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2132         roundoff errors.
2133         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2134         profile when available.
2135
2136 2005-07-28  Jan Beulich <jbeulich@novell.com>
2137
2138         * config/ia64/ia64.c (ia64_load_pair_ok): New.
2139         (ia64_print_operand): Describe and handle 'X'.
2140         (ia64_register_move_cost): Also handle FP_REGS.
2141         (ia64_preferred_reload_class): Likewise.
2142         (ia64_secondary_reload_class): Likewise.
2143         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2144         it. Also check for ITANIUM_CLASS_FLDP.
2145         * config/ia64/ia64.h (FP_REGNO_P): New.
2146         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2147         (reg_class): Add FP_REGS.
2148         (REG_CLASS_NAMES): Adjust for it.
2149         (REG_CLASS_CONTENTS): Likewise.
2150         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2151         (REG_CLASS_FROM_LETTER): Handle 'x'.
2152         (CLASS_MAX_NREGS): Handle FP_REGS.
2153         (MEMORY_MOVE_COST): Likewise.
2154         * config/ia64/ia64.md (itanium_class): Add fldp.
2155         (type): Handle fldp.
2156         (movti_internal): More allowable operand combinations. Use ldfp8 when
2157         splitting unnecessary. Remove predicable attribute. Adjust
2158         itanium_class attribute.
2159         (smuldi3_highpart): Remove outdated comment.
2160         (mulditi3, umulditi3, rotlti3): New expanders.
2161         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2162         (absti2): Disabled new insn for future reference.
2163         Respective new splitters.
2164         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2165         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2166         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2167
2168 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2169
2170         PR rtl-optimization/23047
2171         * simplify-rtx.c (simplify_const_relational_operation): Respect
2172         flag_wrapv for comparisons with ABS.
2173
2174 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2175
2176         PR tree-optimization/22493
2177         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2178         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2179
2180 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2181
2182         * config/frv/frv.opt (moptimize-membar): New.
2183
2184         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2185
2186         * config/frv/frv.h: Remove machine_function definition.
2187
2188         * config/frv/frv.c (struct frv_io): New.
2189         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2190         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2191         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2192         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2193         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2194         (frv_reorg): Call frv_optimize_membar when appropriate.
2195         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2196         (frv_expand_builtin): Adjust calls accordingly.
2197         (frv_io_address_cookie): New function.
2198         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2199         load or store rather than a special insn.  Add ccnstant address and
2200         io-type operands to the membar.
2201         (frv_ifcvt_modify_tests): Unsign regno.
2202         (frv_ifcvt_modify_tests): Same.
2203
2204         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2205         UNSPEC_OPTIONAL_MEMBAR constant.
2206         (builtin_read_<mode>): Delete.
2207         (builtin_write_<mode>): Delete.
2208         ("optional_membar_<mode>"): Add operand.
2209
2210         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2211         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2212         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2213         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2214         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2215         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2216         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2217         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2218         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2219
2220 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2221
2222         * df.c (df_uses_record): Handle SCRATCH.
2223
2224 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2225
2226         PR debug/20161
2227         * passes.c (rest_of_decl_compilation): If decl is a type and
2228         we have encountered errors, don't emit debug information.
2229
2230 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2231
2232         * params.def: Fixed comment.
2233
2234 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2235
2236         PR target/19885
2237         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2238         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2239         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2240
2241 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2242
2243         PR c++/22003
2244         * varasm.c (assemble_start_function): Don't do anything that may
2245         require a CFG if the current function is a thunk.
2246
2247 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2248
2249         * doc/install.texi (Prerequisites): Mention that perl is needed
2250         to do export control in libstdc++ targetting Darwin.
2251
2252 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2253
2254         PR rtl-optimization/17808
2255         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2256         (sched_insns_conditions_mutex_p): Split out from...
2257         (add_dependence): ...here.  But don't call it from here.
2258         (add_dependence_list): Check sched_insns_conditions_mutex_p
2259         before calling add_dependence.
2260         (add_dependence_list_and_free): Likewise.
2261         (fixup_sched_groups): Likewise.
2262         (sched_analyze_1): Likewise.
2263         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2264         (sched_analyze): Likewise.
2265         (sched_analyze_insn): Likewise.
2266         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2267         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
2268         dependencies on all COND_EXEC insns to jumps ending basic blocks
2269         when doing intrablock scheduling.
2270         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2271
2272 2005-07-27  Jeff Law  <law@redhat.com>
2273
2274         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2275         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
2276         equivalency sets, correctly handle the case were vr0 has an
2277         equivalency set, but vr1 does not.
2278
2279 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
2280
2281         PR tree-optimization/23073
2282         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2283         vect_print_dump_info before fprintf.
2284
2285 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2286
2287         PR tree-optimize/22348
2288         * tree-ssa-loop-niter.c (number_of_iterations_cond):
2289         Fold the partial computation.
2290
2291 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2292
2293         PR tree-optimization/22325
2294         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2295         Declare.
2296         * tree-scalar-evolution.c (scev_const_prop): Add generic final
2297         value replacement.
2298         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2299         (force_var_cost): ... this function.
2300         (compute_phi_arg_on_exit): Export.
2301
2302 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2303
2304         PR tree-optimization/20773
2305         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2306         edge.
2307
2308 2005-07-27  Richard Guenther  <rguenther@suse.de>
2309
2310         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2311         Avoid pushing again if current struct contains only
2312         fields we decomposed.
2313
2314 2005-07-27  Jan Hubicka  <jh@suse.cz>
2315
2316         PR tree-optimization/22574
2317         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2318         not available.
2319
2320         * tree-tailcall.c (decrease_profile): New function.
2321         (eliminate_tail_call): Use it.
2322
2323         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2324         visibility flags correctly in whole program mode.
2325
2326 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
2327
2328         PR rtl-optimization/22472
2329         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2330
2331 2005-07-26  Steven Bosscher  <stevenb@suse.de>
2332
2333         PR tree-optimization/22504
2334         * tree-complex.c (expand_complex_addition): Use 'code' instead
2335         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2336
2337 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2338
2339         * config.gcc (cpu_type): Add frv case.
2340         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2341         (supported_defaults): Add fr550 case.
2342
2343 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
2344
2345         PR 22591
2346         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2347         whether a pointer of type T * may point to objects of type T *.
2348
2349 2005-07-26  DJ Delorie  <dj@redhat.com>
2350
2351         * configure: Regenerate.
2352
2353 2005-07-26  Dale Johannesen  <dalej@apple.com>
2354
2355         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
2356
2357 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
2358
2359         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2360         Clarify use of "build" in name.
2361
2362 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2363
2364         * doc/extend.texi (Raw read/write Functions): New section.
2365         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2366         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2367         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2368         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2369         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2370         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2371         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2372         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2373         * config/frv/frv.c: Add bdesc_loads global.
2374         Add bdesc_stores global.
2375         (frv_init_builtins): Add support for __builtin_{read/write}*.
2376         (frv_volatile_memref): New.
2377         (frv_expand_load_builtin): New.
2378         (frv_expand_store_builtin): New.
2379         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2380         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2381         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2382         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2383         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2384         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2385         (builtin_read_<mode>): New.
2386         (builtin_write_<mode>): New.
2387         (builtin_write64): New.
2388         (optional_membar_<mode>): New.
2389
2390 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
2391
2392         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2393         (rather than units) against HOST_BITS_PER_WIDE_INT.
2394
2395 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
2396
2397         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2398         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2399         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2400         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2401         FSF address.
2402
2403         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2404         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2405         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2406         comment typos.
2407         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2408
2409 2005-07-26  Richard Guenther  <rguenther@suse.de>
2410
2411         PR tree-optimization/22486
2412         * fold-const.c (fold_unary): Fold away useless component
2413         references of the form (T *)&T.x, if the address
2414         doesn't change.
2415
2416 2005-07-25  James E Wilson  <wilson@specifixinc.com>
2417
2418         * dwarf2out.c (add_call_src_coords_attributes): New.
2419         (gen_inlined_subroutine_die): Call it.
2420         (maybe_emit_file, init_file_table): Add comments.
2421         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2422         maybe_emit_file.
2423         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2424         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2425         * tree.h (BLOCK_SOURCE_LOCATION): New.
2426         (struct tree_block): New field locus.
2427
2428 2005-07-26  Andreas Schwab  <schwab@suse.de>
2429
2430         PR rtl-optimization/23043
2431         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2432         when allocating a struct unoccr.
2433
2434 2005-07-25  Richard Henderson  <rth@redhat.com>
2435
2436         PR 22626
2437         * tree-complex.c (gate_no_optimization): True if errors.
2438         * Makefile.in (tree-complex.o): Update dependencies.
2439
2440 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
2441
2442         * config/frv/predicates.md (integer_register_operand): Use
2443         GPR_AP_OR_PSEUDO_P.
2444
2445 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2446
2447         PR tree-opt/22484
2448         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2449         after fold.
2450         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2451
2452 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2453
2454         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2455         types when flag_unsafe_math_optimizations is true.
2456
2457 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
2458
2459         * gcc.c (option_map): Add --sysroot.
2460         (process_command): Handle --sysroot.
2461         (display_help): Document it.
2462         * doc/cppopts.tex (-isysroot): Document.
2463         * doc/invoke.texi (--sysroot): Document.
2464         * doc/install.texi (--with-build-sysroot): Document.
2465
2466         * Makefile.in (inhibit_libc): New variable.
2467         (INHIBIT_LIBC_CFLAGS): Likewise.
2468         (LIBGCC2_CFLAGS): Include
2469         $(INHIBIT_LIBC_CFLAGS).
2470         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2471         ($(T)crtbegin.o): Do not use @inhibit_libc@.
2472         ($(T)crtend.o): Likewise.
2473         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2474         ($(T)crtendS.o): Likewise.
2475         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2476         ($(T)crtendT.o): Likewise.
2477         (stmp-fixinc): Do not complain about missing headers if
2478         inhibit_libc.
2479         * configure.ac (inhibit_libc): Set it to true/false.
2480         (--with-build-sysroot): New option.  Use it to set
2481         SYSTEM_HEADER_DIR.
2482         * configure: Regenerated.
2483
2484 2005-07-25  Manfred Hollstein  <mh@suse.com>
2485
2486         * calls.c (store_one_arg): Fix unsigned comparison warning.
2487
2488 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2489
2490         PR other/22337
2491         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2492         (ggc_print_statistics): Initialize variable before use.
2493
2494 2005-07-25  Richard Guenther  <rguenther@suse.de>
2495
2496         * tree-dfa.c (mark_new_vars_to_rename): Protect against
2497         calling with a PHI_NODE argument.
2498
2499         * tree-flow-inline.h (overlap_subvar): Protect against
2500         possible overflow.
2501
2502 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
2503
2504         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2505         * configure: Regenerate.
2506
2507 2005-07-25  Ira Rosen  <irar@il.ibm.com>
2508
2509         * expr.c (highest_pow2_factor): Make extern.
2510         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2511         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2512         record_array_differ_p, array_ptr_differ_p): Likewise.
2513         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2514         additional cases. Call the above functions.
2515         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2516         base_object_differ_p when there are two base objects. Otherwise, compare
2517         base address and offset. Call may_alias_p.
2518         (dump_data_reference): Use a correct field name.
2519         (analyze_array): Make static. Initialize new data-ref fields.
2520         (analyze_indirect_ref): New function.
2521         (init_data_ref): Initialize new data-ref fields.
2522         (strip_conversion): Moved from tree-vect-analyze.c.
2523         (analyze_offset_expr, get_ptr_offset, address_analysis,
2524         object_analysis): Likewise.
2525         (analyze_offset): New function.
2526         (create_data_ref): Likewise.
2527         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2528         dimensions for ARRAY_REFs only.
2529         (build_classic_dist_vector): Make static.
2530         (access_functions_are_affine_or_constant_p): Call macro to get the
2531         address of access functions.
2532         (compute_all_dependences): Add new parameter
2533         compute_self_and_read_read_dependences. Compute self and read-read
2534         dependences if it is true.
2535         (find_data_references_in_loop): Call create_data_ref. Initialize new
2536         data-ref fields.
2537         (compute_data_dependences_for_loop): Add new parameter
2538         compute_self_and_read_read_dependences. Remove parameter nb_loops,
2539         compute nb_loops. Call compute_all_dependences,
2540         build_classic_dist_vector and build_classic_dir_vector with correct
2541         parameters.
2542         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2543         with correct parameters. Compare dimensions for ARRAY_REFs only.
2544         (free_data_refs): Call macro to free access functions.
2545         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2546         fields from stmt_vinfo.
2547         (struct base_object_info): New structure.
2548         (struct data_reference): Move fields to base_object_info. Add fields
2549         first_location and object_info for above structures. Move fields from
2550         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2551         aligned_to.  Add macros to access the new fields.
2552         Update functions declarations.
2553         * tree-flow.h (is_aliased_with): Declare.
2554         * tree-loop-linear.c (linear_transform_loops): Call
2555         compute_data_dependences_for_loop with correct parameters.
2556         * tree-ssa-alias.c (is_aliased_with): New function.
2557         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2558         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2559         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2560         vect_base_addr_differ_p, compute_subscript_distance and
2561         build_classic_dist_vector. Add printings. Check absolute value of
2562         distance.
2563         (vect_analyze_data_ref_dependences): Go through ddrs instead of
2564         data-refs.
2565         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2566         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2567         to bytes. Add printing.
2568         (vect_compute_data_refs_alignment): Go through loads and stores in one
2569         loop.
2570         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2571         vect_analyze_data_ref_access): Likewise.
2572         (vect_analyze_pointer_ref_access): Remove.
2573         (vect_address_analysis, vect_object_analysis): Likewise.
2574         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2575         and analyze data-refs in the loop.
2576         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2577         fields of data-ref instead of stmt. Add init to the offset from the
2578         base.
2579         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2580         (vect_update_init_of_dr): Likewise.
2581         (vect_update_inits_of_drs): Go through loads and stores in one loop.
2582         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2583         removed fields.
2584         (new_loop_vec_info): Initialize new fields.
2585         (destroy_loop_vec_info): Free new fields.
2586         (vect_strip_conversion): Remove.
2587         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2588         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2589         datarefs. Add new field ddrs.
2590         Add macros for the new fields access.
2591         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2592         base_aligned_p, misalignment, memtag, ptr_info and subvars.
2593         Remove their macros.
2594         * tree.h (highest_pow2_factor): Declare.
2595
2596 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
2597
2598         * calls.c (store_one_arg): Check for sibling call MEM arguments
2599         from already clobbered incoming argument area.
2600
2601 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2602
2603         * c-common.c (check_missing_format_attribute): New.
2604         * c-common.h (check_missing_format_attribute): Likewise.
2605         * c-typeck.c (convert_for_assignment): Use it.
2606
2607 2005-07-24  Andreas Schwab  <schwab@suse.de>
2608
2609         * config/m68k/m68k.md ("extendqidi2"): When source is an address
2610         register use a word move.  Correct operand of ext.w in 68000 code.
2611
2612 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
2613
2614         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2615         variables as declarations, rather than definitions.
2616
2617 2005-07-24  Ira Rosen  <irar@il.ibm.com>
2618
2619         PR tree-optimization/22526
2620         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2621         of the zero node.
2622
2623 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2624
2625         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2626         that C99 reserve for future use. Use it to define clog10,
2627         clog10f and clog10l.
2628
2629 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2630
2631         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2632         * configure.ac: Check for -Wmissing-format-attribute.
2633
2634         * configure: Regenerate.
2635
2636 2005-07-23  Richard Henderson  <rth@redhat.com>
2637
2638         PR tree-optimization/22623
2639         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2640
2641 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
2642
2643         PR target/22577
2644         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2645
2646 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2647
2648         * Makefile.in (C_TREE_H): Update dependencies.
2649         * c-tree.h: Include toplev.h.
2650         * diagnostic.h (diagnostic_set_info): Add format attribute.
2651         * rtl-error.c (diagnostic_for_asm): Likewise.
2652
2653 2005-07-23  Chao-ying Fu  <fu@mips.com>
2654
2655         * config/mips/mips-dsp.md: New file.
2656         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2657         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2658         functions.
2659         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2660         MIPS_BUILTIN_BPOSGE32.
2661         (mips_expand_builtin_direct): Add one parameter to indicate that
2662         builtin functions need to return a value.
2663         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2664         functions.
2665         (mips_regno_to_class): Add classes for 12 new DSP registers.
2666         (mips_subword): Change to check four HI registers.
2667         (mips_output_move): Output move to and from 6 new DSP accumulators.
2668         (override_options): Make sure -mdsp and -mips16 are not used together.
2669         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
2670         for machine modes.
2671         (mips_conditional_register_usage): Disable 6 new DSP accumulators
2672         when !TARGET_DSP.
2673         (print_operand): Add 'q' for printing DSP accumulators.
2674         (mips_cannot_change_mode_class): Check ACC_REGS.
2675         (mips_secondary_reload_class): Check ACC_REGS.
2676         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2677         (mips_register_move_cost): Check ACC_REGS.
2678         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2679         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2680         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2681         (dsp_bdesc): New array.
2682         (bdesc_arrays): Add DSP builtin function table.
2683         (mips_prepare_builtin_arg): Check predicate again after
2684         copy_to_mode_reg.
2685         (mips_expand_builtin): Add one more parameter to
2686         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2687         MIPS_BUILTIN_BPOSGE32.
2688         (mips_init_builtins): Initialize new function types.
2689         (mips_expand_builtin_direct): Check if builtin functions need to
2690         return a value and pass operands properly.
2691         (mips_expand_builtin_bposge): New function.
2692         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2693         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2694         (FIRST_PSEUDO_REGISTER): Increase to 188.
2695         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2696         Update for 12 new DSP registers.
2697         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2698         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2699         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2700         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2701         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2702         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2703         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2704         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2705         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2706         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2707         (REGISTER_NAMES): Add names for 12 new DSP registers.
2708         * config/mips/mips.md: Include mips-dsp.md.
2709         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2710         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2711         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2712         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2713         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2714         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2715         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2716         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2717         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2718         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2719         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2720         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2721         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2722         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2723         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2724         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2725         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2726         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2727         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2728         (UNSPEC_RDDSP): New constants.
2729         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2730         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
2731         A<-d alternative.
2732         * config/mips/mips.opt (-mdsp): New option.
2733         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2734         (reg_imm10_operand): New predicates.
2735         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2736         * doc/invoke.texi (-mdsp): Document new option.
2737
2738 2005-07-22  DJ Delorie  <dj@redhat.com>
2739
2740         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2741         to warning calls.
2742         * tree-inline.c (inlinable_function_p): Likewise.
2743
2744 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
2745
2746         PR debug/21828
2747         * toplev.c (check_global_declarations): Do not mark undefined
2748         variables as DECL_IGNORED_P.
2749         * varasm.c (first_global_object_name): GTY it.
2750         (weak_global_object_name): Likewise.
2751         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2752         a string to go into {weak,first}_global_object_name.
2753
2754 2005-07-22  DJ Delorie  <dj@redhat.com>
2755
2756         * c-format.c (check_function_format): Change warning control
2757         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2758
2759 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
2760
2761         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2762         &PTR->FLD a dereference of PTR.
2763         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2764         a potential dereference of PTR.
2765
2766 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2767
2768         PR rtl-optimization/20370
2769         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2770         call allocate_reg_info if necessary.
2771
2772         PR rtl-optimization/21848
2773         * calls.c (emit_library_call_value_1): For const functions, add
2774         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2775
2776         PR rtl-optimization/22445
2777         * cselib.c (target.h): Include.
2778         (rtx_equal_for_cselib_p): Allow commutative matches.
2779         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2780         Remove MODE parameter.  Changed all callers.
2781
2782         PR rtl-optimization/22258
2783         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2784         New functions.
2785         (try_combine): Use likely_spilled_retval_p.
2786
2787 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
2788
2789         * config.gcc: Add crx-elf support.
2790
2791         * doc/contrib.texi: Mention crx.
2792         * doc/extend.texi: Document crx extensions.
2793         * doc/install.texi: Document crx install.
2794         * doc/invoke.texi: Document crx options.
2795         * doc/md.texi: Document crx constraints.
2796
2797         * config/crx/crx-protos.h: New file.
2798         * config/crx/crx.c: New file.
2799         * config/crx/crx.h: New file.
2800         * config/crx/crx.md: New file.
2801         * config/crx/crx.opt: New file.
2802         * config/crx/t-crx: New file.
2803
2804 2005-07-22  Manfred Hollstein  <mh@suse.com>
2805
2806         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2807         warnings.
2808         (int_add_graph_edge): Likewise.
2809         (collapse_nodes): Likewise.
2810         (process_unification_queue): Likewise.
2811
2812 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2813             Laurent GUERBY  <laurent@guerby.net>
2814
2815         PR tree-optimization/22336
2816         * function.c (record_block_change): Check for
2817         cfun->ib_boundaries_block.
2818
2819 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
2820
2821         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2822         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2823
2824 2005-07-21  DJ Delorie  <dj@redhat.com>
2825
2826         * toplev.c (warn_deprecated_use): Add warning control to warning
2827         call.
2828         * c-typeck.c (parser_build_binary_op): Likewise.
2829         (c_finish_if_stmt): Likewise.
2830         * c-common.c (check_function_sentinel): Likewise.
2831         (check_nonnull_arg): Likewise.
2832
2833 2005-07-21  Richard Henderson  <rth@redhat.com>
2834
2835         PR tree-opt/22504
2836         * tree-complex.c (complex_ssa_name_components): New.
2837         (cvc_lookup): Allow entry not found.
2838         (create_components): Remove.
2839         (create_one_component_var, get_component_var): New.
2840         (get_component_ssa_name, set_component_ssa_name): New.
2841         (extract_component): Use get_component_ssa_name.
2842         (update_complex_components): Use set_component_ssa_name.
2843         (update_complex_components_on_edge): Likewise.
2844         (update_phi_components): Create new PHI nodes directly, instead
2845         of adding insns to edges.
2846         (tree_lower_complex): Allocate and free complex_variable_components
2847         and complex_ssa_name_components here.
2848
2849 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
2850
2851         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2852         revert to returning false.
2853
2854 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2855
2856         PR target/21149
2857         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2858
2859 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2860
2861         PR target/22576
2862         * config/i386/i386.md (cmpxf): Change operand constraints
2863         to "nonmemory_operand".
2864
2865 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2866
2867         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2868
2869 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2870
2871         PR middle-end/21180
2872         * fold-const.c (fold_build1): Add checksum for the operands.
2873         (fold_build2): Likewise.
2874         (fold_build3): Likewise.
2875
2876 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2877
2878         PR middle-end/19055
2879         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2880
2881 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2882
2883         * common.opt (-fforward-propagate): Committed by mistake,
2884         removed.
2885
2886 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2887
2888         * reg-stack.c: Fix comment typo(s).
2889         * tree-ssa-operands.c: Likewise.
2890         * tree-vectorizer: Likewise.
2891
2892 2005-07-21  Nick Clifton  <nickc@redhat.com>
2893
2894         * config/sh/symbian.c: Replace C++ style line comments with C
2895         style line comments.
2896         (symbian_add_attribute): Do not use a ? operator on the LHS of
2897         an assignment.
2898         (sh_symbian_handle_dll_attribute): Change the type of the
2899         method vector to "VEC(tree,gc)*" and use vector accessor
2900         macros to walk over the elements.
2901         (symbian_export_vtable_and_rtti_p): Likewise.
2902         (symbian_class_needs_attribute_p): Likewise.
2903
2904 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2905
2906         PR target/22085
2907         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2908         initialize targetm.resolve_overloaded_builtin here.
2909         (altivec_expand_overloaded_builtin): Make it non-static.
2910         * config/rs6000/rs6000-protos.h
2911         (altivec_expand_overloaded_builtin): New prototype.
2912         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2913         targetm.resolve_overloaded_builtin here.
2914         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2915
2916 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2917             Zdenek Dvorak  <dvorakz@suse.cz>
2918
2919         PR tree-optimization/19210
2920         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2921         New.
2922         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2923         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2924         rely on unproven assumptions.
2925         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2926         * tree-flow.h (number_of_iterations_exit): Add final parameter.
2927         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2928         to number_of_iterations_exit.
2929         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2930         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2931         * tree-ssa-loop-niter.c (find_loop_niter,
2932         estimate_numbers_of_iterations_loop): Likewise.
2933         (number_of_iterations_exit): Honor the new options.
2934         * doc/invoke.texi (Wunsafe-loop-optimizations,
2935         funsafe-loop-optimizations): Document them.
2936
2937 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
2938
2939         PR rtl-optimization/22167
2940         * gcse.c (hoist_code): Fix hoist_exprs[] check.
2941
2942 2005-07-20  Adam Nemet  <anemet@lnxw.com>
2943
2944         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2945         __do_global_dtors_aux longcall.
2946
2947 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
2948
2949         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2950         (old_special_pred_table): Don't reference
2951         SPECIAL_MODE_PREDICATES.
2952         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2953         * config/arc/arc.h: Don't mention PREDICATE_CODES.
2954         * config/sh/predicates.h: Don't mention
2955         SPECIAL_MODE_PREDICATES.
2956         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2957         Remove.
2958
2959 2005-07-20  DJ Delorie  <dj@redhat.com>
2960
2961         * config.gcc: Add m32c-elf support.
2962
2963         * doc/contrib.texi: Mention m32c.
2964         * doc/extend.texi: Document m32c extensions.
2965         * doc/install.texi: Mention m32c.
2966         * doc/invoke.texi: Document m32c options.
2967         * doc/md.texi: Document m32c constraints.
2968
2969         * config/m32c/addsub.md: New file.
2970         * config/m32c/bitops.md: New file.
2971         * config/m32c/cond.md: New file.
2972         * config/m32c/jump.md: New file.
2973         * config/m32c/m32c-lib1.S: New file.
2974         * config/m32c/m32c-lib2.c: New file.
2975         * config/m32c/m32c-modes.def: New file.
2976         * config/m32c/m32c-pragma.c: New file.
2977         * config/m32c/m32c-protos.h: New file.
2978         * config/m32c/m32c.abi: New file.
2979         * config/m32c/m32c.c: New file.
2980         * config/m32c/m32c.h: New file.
2981         * config/m32c/m32c.md: New file.
2982         * config/m32c/m32c.opt: New file.
2983         * config/m32c/minmax.md: New file.
2984         * config/m32c/mov.md: New file.
2985         * config/m32c/muldiv.md: New file.
2986         * config/m32c/predicates.md: New file.
2987         * config/m32c/prologue.md: New file.
2988         * config/m32c/shift.md: New file.
2989         * config/m32c/t-m32c: New file.
2990
2991 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2992
2993         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2994         (stack_protect_set, stack_protect_test): New expanders.
2995         (stack_protect_set_si, stack_protect_set_si_media,
2996         stack_protect_set_di_media, stack_protect_test_si,
2997         stack_protect_test_si_media, stack_protect_test_di_media):
2998         New insns.
2999
3000 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
3001
3002         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3003
3004 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
3005
3006         * tree.h (tree_expr_nonzero_p): Export.
3007         * fold-const.c (tree_expr_nonzero_p): Likewise.
3008         Return true for CALL_EXPRs that are alloca calls.
3009         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3010         against zero.
3011         * tree-flow.h (expr_computes_nonzero): Remove.
3012         * tree-vrp.c (expr_computes_nonzero): Remove.
3013         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3014         (extract_range_from_unary_expr): Likewise.
3015         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3016         tree_expr_nonzero_p.
3017
3018 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3019
3020         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3021         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
3022         extra arg "picreg" and use it instead of pic_offset_table_rtx.
3023         All callers changed.
3024         (frame_related_constant_load): New arg "related" which controls
3025         setting of RTX_FRAME_RELATED_P.  All callers changed.
3026         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3027         (bfin_expand_prologue): Add stack limit checking.
3028         * config/bfin/bfin.md (trapifcc): New pattern.
3029
3030         * config/bfin/bfin.c: Include "langhooks.h".
3031         (def_builtin): Go through lang_hooks to call builtin_function.
3032
3033         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3034         * config/bfin/predicates.md (symbol_ref_operand): New.
3035         (call_insn_operand): Delete.  All callers changed to use
3036         register_no_elim_operand.
3037         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3038         call_cookie field.
3039         (function_arg): Use it to generate the call's operand 2.
3040         (bfin_longcall_p): New function.
3041         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
3042         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
3043         determine if the address needs to be in a REG.
3044         (bfin_handle_longcall_attribute): New function.
3045         (bfin_attribute_table): Add "longcall" and "shortcall".
3046         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3047         (CUMULATIVE_ARGS): New member call_cookie.
3048         (PREDICATE_CODES): Add symbol_ref_operand.
3049         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3050         extra USE to the pattern.
3051         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3052         New patterns, split off call_insn, sibcall_insn, call_value_insn and
3053         sibcall_value_insn; now the new patterns handle direct calls and the
3054         old ones indirect calls.
3055         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3056
3057 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
3058
3059         * doc/trouble.texi: Update section on handling of empty loops.
3060
3061 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
3062
3063         * config.gcc: Remove support for sparc-*-openbsd*,
3064         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3065         ns32k-*-netbsd*.
3066         * config.host: Remove support for i860-*-sysv4* as a host.
3067         * config/i860/*, config/ip2k/*, config/ns32k/*,
3068         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3069         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3070         mention obsolete ports.
3071
3072 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3073
3074         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3075         soft frame pointer.
3076         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3077         of frame_pointer_rtx.
3078         (sh_expand_epilogue): Likewise.
3079         (sh_set_return_address): Likewise.
3080         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3081         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
3082         offsets from FRAME_POINTER_REGNUM.
3083         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3084         (sh_register_names): Add initializer for sfp.
3085         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3086         (VALID_REGISTER_P): Likewise.
3087         (FIRST_PSEUDO_REGISTER): Update.
3088         (DWARF_FRAME_REGISTERS): Define.
3089         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3090         (HARD_FRAME_POINTER_REGNUM): Define.
3091         (FRAME_POINTER_REGNUM): Redefine.
3092         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3093         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
3094         from FRAME_POINTER_REGNUM.
3095         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3096         FRAME_POINTER_REGNUM.
3097         (REG_CLASS_CONTENTS): Add sfp.
3098         (REG_ALLOC_ORDER): Likewise.
3099         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
3100         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3101         of frame_pointer_rtx.
3102         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3103
3104 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
3105
3106         * fold-const.c (tree_expr_nonnegative_p): Only return true for
3107         ABS_EXPR when flag_wrapv is false because of INT_MIN.
3108         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3109         of an ABS_EXPR.
3110         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3111         ABS_EXPR<x>.
3112
3113 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
3114
3115         Make CONSTRUCTOR use VEC to store initializers.
3116         * c-common.c (complete_array_type): Update to cope with VEC in
3117         CONSTRUCTOR_ELTS.
3118         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3119         (pp_c_constructor_elts): New function.
3120         * c-pretty-print.h (pp_c_constructor_elts): Declare.
3121         * c-typeck.c (build_function_call, build_c_cast, digest_init,
3122         struct constructor_stack, struct initializer_stack,
3123         constructor_elements, push_init_level, pop_init_level,
3124         add_pending_init, find_init_member, output_init_element): Update to
3125         cope with VEC in CONSTRUCTOR_ELTS.
3126         * coverage.c (build_fn_info_value, build_ctr_info_value,
3127         build_gcov_info): Likewise.
3128         * expr.c (categorize_ctor_elements_1, store_constructor,
3129         expand_expr_real_1): Likewise.
3130         * fold-const.c (fold_ternary): Likewise.
3131         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3132         gimplify_init_constructor, gimplify_expr): Likewise.
3133         * tree-dump.c (dequeue_and_dump): Likewise.
3134         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3135         node.
3136         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3137         CONSTRUCTOR_ELTS.
3138         * tree-sra.c (generate_element_init_1): Likewise.
3139         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3140         * tree-ssa-operands.c (get_expr_operands): Likewise.
3141         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3142         * tree-vect-transform.c (vect_get_vec_def_for_operand):
3143         (get_initial_def_for_reduction): Likewise.
3144         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3145         value handle in annotations.
3146         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3147         tree_node_structure): Add support for constr_kind.
3148         (build_vector_from_ctor, build_constructor_single,
3149         build_constructor_from_list): New functions.
3150         (build_constructor): Update to take a VEC instead of a TREE_LIST.
3151         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3152         Update to cope with VEC in CONSTRUCTOR_ELTS.
3153         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3154         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3155         CONSTRUCTOR_APPEND_ELT): New macros.
3156         (struct constructor_elt, struct tree_constructor): New data types.
3157         (union tree_node): Add tree_constructor field.
3158         * treestruct.def: Define TS_CONSTRUCTOR.
3159         * varasm.c (const_hash_1, compare_constant, copy_constant,
3160         compute_reloc_for_constant, output_addressed_constants,
3161         initializer_constant_valid_p, output_constant,
3162         array_size_for_constructor, output_constructor): Update to cope with
3163         VEC in CONSTRUCTOR_ELTS.
3164         * vec.h (VEC_empty, VEC_copy): New macros.
3165
3166 2005-07-19  Devang Patel  <dpatel@apple.com>
3167
3168         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3169
3170 2005-07-19  Richard Henderson  <rth@redhat.com>
3171
3172         PR tree-opt/22278
3173         * gimplify.c (gimplify_expr): Use main variant type for the temp
3174         destination for a discarded volatile read.
3175         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3176         casts between non-void types that change volatility.
3177
3178 2005-07-15  DJ Delorie  <dj@redhat.com>
3179
3180         * toplev.h: Add comment about the first parameter for warning().
3181         * errors.h: Likewise.
3182
3183         * c.opt (Wpragmas): New.
3184         * doc/invoke.texi: Document it.
3185
3186         * function.c (do_warn_unused_parameter): Add warning control to
3187         warning call.
3188         * c-decl.c (warn_if_shadowing): Likewise.
3189         * c-lex.c (cb_def_pragma): Likewise.
3190         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3191         (pop_alignment): Likewise.
3192         (handle_pragma_pack): Likewise.
3193         (apply_pragma_weak): Likewise.
3194         (handle_pragma_weak): Likewise.
3195         (handle_pragma_redefine_extname): Likewise.
3196         (add_to_renaming_pragma_list): Likewise.
3197         (handle_pragma_extern_prefix): Likewise.
3198         (maybe_apply_renaming_pragma): Likewise.
3199         (handle_pragma_visibility): Likewise.
3200
3201         * config/c4x/c4x-c.c (BAD): Likewise.
3202         (c4x_parse_pragma): Likewise.
3203         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3204         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3205         (rs6000_pragma_longcall): Likewise.
3206         * config/v850/v850-c.c (pop_data_area): Likewise.
3207         (ghs_pragma_section): Likewise.
3208         (ghs_pragma_section): Likewise.
3209         (ghs_pragma_interrupt): Likewise.
3210         (ghs_pragma_starttda): Likewise.
3211         (ghs_pragma_startsda): Likewise.
3212         (ghs_pragma_startzda): Likewise.
3213         (ghs_pragma_endtda): Likewise.
3214         (ghs_pragma_endsda): Likewise.
3215         (ghs_pragma_endzda): Likewise.
3216
3217 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3218             Kenneth Zadeck <zadeck@naturalbridge.com>
3219
3220         * Makefile.in: Removed tree-promote-statics.c
3221         * tree-promote-statics.c: Removed.
3222         * common.opt: Removed flag-promote-statics.
3223         * opts.c: Ditto.
3224         * passes.c: Removed tree-promote-statics pass.
3225         * tree-pass.h: Ditto.
3226         * timevar.def: Removed TV_PROMOTE_STATICS.
3227
3228
3229 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3230
3231         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3232         and *-*-freebsd9.
3233         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3234
3235 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3236
3237         PR c/22476
3238         * c-common.c (check_function_arguments): Call
3239         'check_function_format' if either -Wformat or
3240         -Wmissing-format-attribute are specified.
3241         * c-format.c (check_function_format): Check -Wformat before
3242         calling 'check_format_info'.
3243         * c-opts.c (c_common_post_options): Don't warn for
3244         -Wmissing-format-attribute without -Wformat.
3245         * c-typeck.c (convert_for_assignment): Detect additional cases for
3246         -Wmissing-format-attribute.
3247         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3248         behavior.
3249
3250 2005-07-19  Richard Guenther  <rguenther@suse.de>
3251
3252         * config/i386/i386.md (lrint<mode>2): Use temporary
3253         instead of clobbering non-existent memory.
3254
3255 2005-07-19  Nick Clifton  <nickc@redhat.com>
3256
3257         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3258         statement to avoid displaying ASCII control characters.
3259
3260 2005-07-19  Ben Elliston  <bje@au.ibm.com>
3261
3262         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3263         * cfganal.c (find_edge_index): Ditto.
3264         * combine.c (combine_instructions): Ditto.
3265         * ddg.c (create_scc): Ditto.
3266         (find_successors): Ditto.
3267         (find_predecessors): Ditto.
3268         (find_nodes_on_paths): Ditto.
3269         (longest_simple_path): Ditto.
3270         * flow.c (update_life_info): Ditto.
3271         (count_or_remove_death_notes): Ditto.
3272         (clear_log_links): Ditto.
3273         * modulo-sched.c (generate_reg_moves): Ditto.
3274         (find_max_asap): Ditto.
3275         (find_max_hv_min_mob): Ditto.
3276         (find_max_dv_min_mob): Ditto.
3277         * sbitmap.c (sbitmap_first_set_bit): Ditto.
3278         * sched-rgn.c (extract_edgelst): Ditto.
3279         * tree-into-ssa.c (prepare_names_to_update): Ditto.
3280         (dump_update_ssa): Ditto.
3281         (ssa_names_to_replace) Ditto.
3282         (switch_virtuals_to_full_rewrite): Ditto.
3283         (update_ssa): Ditto.
3284         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3285
3286 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
3287
3288         Fix PR tree-optimization/22483
3289
3290         * tree-complex.c (create_components): Use
3291         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3292         * tree-flow-inline.h (fill_referenced_var_vec): New function.
3293         * tree-flow.h (safe_referenced_var_iterator): New structure.
3294         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3295         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3296         safe_referenced_var iterator.
3297         (add_type_alias): Ditto.
3298
3299 2005-07-19  Steven Bosscher  <stevenb@suse.de>
3300
3301         * loop-init.c (rest_of_handle_loop2): Remove.
3302         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3303         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3304         (pass_rtl_loop_init, pass_rtl_loop_done,
3305         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3306         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3307         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3308         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3309         pass_tree_loop_done, and pass_tree_unswitch.
3310         (gate_loop): Rename to gate_tree_loop.
3311         * passes.c (init_optimization_passes): Update for renamed tree
3312         loop passes.  Add the new loop2 passes as subpasses of loop2.
3313         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3314         Update for the renamed tree loop passes.
3315
3316 2005-07-18  Ian Lance Taylor  <ian@airs.com>
3317
3318         PR middle-end/22057
3319         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3320         blocks when optimizing.
3321
3322 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
3323
3324         * common.opt (frename-registers): Initialize to 2.
3325         (fweb): Ditto.
3326         (fgcse-after-reload): Ditto.
3327         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3328         (process_options): Only change flag_web, flag_rename_registers,
3329         and flag_rerun_cse_after_loop if not explicitly set by user.
3330
3331 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3332
3333         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3334         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3335         in 64-bit mode the same as DImode in 32-bit mode.
3336         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3337         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3338         mode. Add new mode parameter.
3339         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3340         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3341         x86_64_shift_adj): New expanders.
3342         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3343         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3344         insns.
3345         Respective new splitters. Use renamed shift splitter helpers in 32-bit
3346         DImode shift splitters.
3347         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3348         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3349         mode parameter.
3350
3351 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3352
3353         * i386.md (movdi_extzv_1): New.
3354         (zero_extendhidi2): Combine alternatives and never force use of
3355         REX64 prefix.
3356         (zero_extendqidi2): Likewise. Don't restrict input selection.
3357
3358 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3359
3360         Fix PR tree-optimization/22531
3361         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
3362          moment.
3363
3364 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3365
3366         * tree-promote-statics.c (pass_promote_statics): Change dump file
3367          name.
3368
3369 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3370
3371         * tree-optimize.c (init_tree_optimization_passes): Add
3372         pass_eliminate_useless_stores pass.
3373         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3374         * tree-ssa-pre.c (is_copy_stmt): New function.
3375         (follow_copies_till_vuse): Ditto.
3376         (do_eustores): Ditto.
3377         (gate_eustores): Ditto.
3378
3379 2005-07-16  Richard Henderson  <rth@redhat.com>
3380
3381         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3382
3383 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3384            Kenneth Zadeck <zadeck@naturalbridge.com>
3385
3386         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3387         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3388         ipa-type-escape.h, tree-promote-statics.c
3389         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3390         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3391         tree-promote-statics.c: new files.
3392         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3393         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3394         int nonlocal_set_p, mark_constant_function): Deleted.
3395         (rest_of_handle_cfg): Removed call to mark_constant_function.
3396         (nonoverlapping_component_refs_p): Added calls to support
3397         type based aliasing.
3398         * tree-ssa-alias.c (may_alias_p,
3399         compute_flow_insensitive_aliasing): Ditto.
3400         * calls.c (flags_from_decl_or_type): Removed reference to
3401         cgraph_rtl_info.
3402         * c-typeck.c (convert_arguments): Make builtins tolerant of having
3403         too many arguments.  This is necessary for Spec 2000.
3404         * cgraph.h (const_function, pure_function): Removed.
3405         * common.opt: Added "fipa-pure-const", "fipa-reference",
3406         "fipa-type-escape", and "ftree-promote-static".
3407         * opts.c: Ditto.
3408         * passes.c: Added ipa and tree-promote-statics passes.
3409         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3410         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3411         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3412         * tree-flow.h: Added exposed sra calls and addition of
3413         reference_vars_info field for FUNCTION_DECLS.
3414         * tree-pass.h: Added passes.
3415         * tree-sra.c: (sra_init_cache): New function.
3416         (sra_insert_before, sra_insert_after) Made public.
3417         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3418         and made public.
3419         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3420         aliasing. (may_alias_p): Added code to use type escape analysis to
3421         improve alias sets.
3422         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3423         code to prune clobbers of static variables based on information
3424         produced in ipa-reference pass.  Changed call clobbering so that
3425         statics are not marked as clobbered if the call does not clobber
3426         them.
3427
3428 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
3429
3430         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3431         too.
3432
3433 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
3434
3435         * doc/install.texi (*-*-solaris2*): Document recommended version
3436         of GNU binutils and mention GNU linker problem on Solaris 10.
3437
3438 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
3439
3440         PR c/22421
3441         * c-decl.c (c_build_bitfield_integer_type): New function.
3442         (finish_struct): Call it.
3443         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3444
3445 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3446
3447         * c-typeck.c (digest_init): Call 'convert_for_assignment'
3448         before returning.
3449
3450 2005-07-16  Jan Hubicka  <jh@suse.cz>
3451
3452         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3453         (scale_bbs_frequencies_int): Watch roundoff errors.
3454         * predict.c (return_prediction): Initialize return_stmt.
3455
3456 2005-07-16  Jan Hubicka  <jh@suse.cz>
3457
3458         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3459         after RTL profiling.
3460
3461 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
3462
3463         PR middle-end/22398