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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
3464         * fold-const.c (build_range_check): Convert high/low to etype
3465         if we are only comparing against exp.
3466
3467 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
3468
3469         Fix PR tree-optimization/22376
3470         * tree-ssa-structalias.c (build_constraint_graph): We really meant
3471         special var here.
3472         (need_to_solve): New function.
3473         (compute_points_to_sets): Use it.
3474
3475 2005-07-15  Jan Hubicka  <jh@suse.cz>
3476
3477         * cfg.c (update_bb_profile_for_threading): More diagnostic.
3478         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3479
3480 2005-07-15  Richard Guenther  <rguenther@suse.de>
3481
3482         * c-common.c (handle_flatten_attribute): New function.
3483         Add flatten function attribute.
3484         * doc/extend.texi: Document flatten function attribute.
3485         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3486         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3487         New functions.
3488         (cgraph_decide_inlining): Handle functions with flatten
3489         attribute.
3490
3491 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
3492
3493         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3494         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3495         UNSPEC_XCHG, UNSPEC_AND): New.
3496         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3497         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3498         * config/rs6000/sync.md (FETCHOP): New code macro.
3499         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3500         New code attrs.
3501         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3502         (sync_compare_and_swap<mode>): Same.
3503         (sync_lock_test_and_set<mode>): Same.
3504         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3505         for QImode and HImode, and not PPC405.
3506         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3507         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3508         (sync_<fetchop>{si,di}_internal): New.
3509         (sync_nand{si,di}_internal): New.
3510         (sync_old_<fetchop>{si,di}_internal): New.
3511         (sync_old_nand{si,di}_internal): New
3512         (sync_new_<fetchop>{si,di}_internal): New.
3513         (sync_new_nand{si,di}_internal): New.
3514         (atomic_and{si,di}): New.
3515         (sync_new_nand{si,di}_internal): New.
3516         (atomic_and{si,di}): New.
3517         (sync_add<mode>_internal): Delete.
3518         (sync_addshort_internal): Use unspec instead of unspec_volatile.
3519         (sync_sub<mode>_internal): Delte.
3520         (sync_subshort_internal): New.
3521         (sync_andsi_internal): Use unspec instead of unspec_volatile.
3522         (sync_anddi_internal): Delete.
3523         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3524         (sync_booldi_internal): Delete.
3525         (sync_boolc<mode>_internal): Delete.
3526         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3527         (sync_boolc<mode>_internal2): Delete.
3528         (sync_boolcc<mode>_internal): Delete.
3529         (isync, lwsync): Use unspec instead of unspec_volatile.
3530         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3531         Revert UNSPEC_VOLATILE.
3532         (rs6000_split_atomic_op): New.
3533         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3534
3535 2005-07-14  Eric Christopher  <echristo@redhat.com>
3536
3537         * config/mips/mips.c (mips_canonicalize_comparison): Cast
3538         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3539
3540 2005-07-14  Eric Christopher  <echristo@redhat.com>
3541
3542         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3543
3544 2005-07-14  Steven Bosscher  <stevenb@suse.de>
3545
3546         PR tree-optimization/22230
3547         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3548         the computation of the four cross productions for "range op range".
3549
3550 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
3551             Ulrich Weigand  <uweigand@de.ibm.com>
3552
3553         PR target/20126
3554         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3555         in some insn.
3556
3557 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3558
3559         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3560
3561 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
3562
3563         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3564
3565 2005-07-14  Richard Guenther  <rguenther@suse.de>
3566
3567         PR middle-end/22347
3568         * config/i386/i386-protos.h (ix86_function_value): Change
3569         prototype to match new target hook.
3570         * config/i386/i386.c (ix86_value_regno): Change prototype
3571         to take extra type argument.
3572         (TARGET_FUNCTION_VALUE): Define.
3573         (ix86_function_ok_for_sibcall): Pass extra argument to
3574         ix86_value_regno, check return slot rtx for exact match.
3575         (ix86_function_value): Take extra parameter.  Dispatch to
3576         ix86_value_regno with fndecl/fntype as provided.
3577         (ix86_value_regno): Handle extra type argument.
3578         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3579
3580         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3581         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3582         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3583         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3584         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3585
3586 2005-07-14  Richard Guenther  <rguenther@suse.de>
3587
3588         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3589         * calls.c (expand_call): Pass fntype to hard_function_value.
3590         (emit_library_call_value_1): Likewise.
3591         * explow.c: Include target.h.
3592         (hard_function_value): Take extra argument, the fntype.
3593         Use new target hook for function_value.
3594         * expr.h (hard_function_value): Change prototype.
3595         * function.c (aggregate_value_p): Pass 0 as fntype to
3596         hard_function_value.
3597         (assign_parms): Use new target hook for function_value.
3598         Pass 0 as fntype to hard_function_value.
3599         (expand_function_end): Likewise.
3600         * reg-stack.c: Include target.h.
3601         (stack_result): Use new target hook for function_value.
3602         * target-def.h: New target hook function_value.
3603         * target.h: Likewise.
3604         * targhooks.c (default_function_value): New function.
3605         * targhooks.h (default_function_value): Declare.
3606
3607 2005-07-13  Ian Lance Taylor  <ian@airs.com>
3608
3609         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3610
3611 2005-07-14  Jan Hubicka  <jh@suse.cz>
3612
3613         * tree-dfa.c (dump_variable): Use default_def function.
3614         * tree-ssa-alias.c (dump_points_to_info): Likewise.
3615         * tree-ssa.c (verify_use): Likewise.
3616         * tree-ssanames.c (release_ssa_name): Likewise.
3617         * tree-tailcall.c (eliminate_tail_call): Likewise.
3618         (tree_optimize_tail_calls_1): Likewise.
3619         * tree-vrp.c (get_value_range): Likewise.
3620
3621 2005-07-14  Ben Elliston  <bje@au.ibm.com>
3622
3623         * gcc.c (main): Compare language[0] with '*' when iterating over
3624         the infiles.
3625
3626 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3627
3628         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3629         "s390_emit_compare".  Add handling of CCZ1mode.
3630         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3631         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3632         checking.
3633         (s390_branch_condition_mask): Add CCZ1mode handling.
3634         * config/s390/s390.md: ("seq", "*seq"): New pattern.
3635         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3636         Use CCZ1mode instead of CCZmode.
3637         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
3638
3639 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3640
3641         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3642         pattern.
3643         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3644
3645 2005-07-13  Eric Christopher  <echristo@redhat.com>
3646
3647         * config/mips/mips.c (mips_canonicalize_comparison): New.
3648         (mips_emit_int_relational): Use.
3649
3650 2005-07-13  Eric Christopher  <echristo@redhat.com>
3651
3652         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3653         static extra parts.
3654         * config/s390/s390.md: Include tpf.md. Move tpf specific
3655         patterns...
3656         * config/s390/tpf.md: To here.
3657         * config/s390/s390.opt: Move tpf specific options...
3658         * config/s390/tpf.opt: to here. Add mmain option.
3659         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3660         * config/s390/tpf.h: Rewrite.
3661
3662 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3663
3664         * doc/tm.texi: Remove @xref{Cross-profiling}.
3665
3666 2005-07-13  Jeff Law  <law@redhat.com>
3667
3668         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3669         expressions, test their _DECL operands for pointer equality rather
3670         than using operand_equal_p.
3671
3672 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3673
3674         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3675         (TARGET_POSIX_IO): This.
3676         * config/darwin.h: Likewise.
3677         * config/freebsd.h: Likewise.
3678         * config/linux.h: Likewise.
3679         * config/lynx.h: Likewise.
3680         * config/netbsd.h: Likewise.
3681         * config/rs6000/linux64.h: Likewise.
3682         * config/rs6000/linux.h: Likewise.
3683         * config/s390/tpf.h: Likewise.
3684         * config/sh/embed-elf.h: Likewise.
3685         * config/sparc/linux64.h: Likewise.
3686         * config/sparc/linux.h: Likewise.
3687         * config/svr4.h: Likewise.
3688         * gcov-io.h: Likewise.
3689
3690         * doc/tm.texi: Updated.
3691
3692         * libgcov.c (create_file_directory): Defined only if
3693         TARGET_POSIX_IO is defined.
3694         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3695         is defined.
3696
3697 2005-07-13  Jan Hubicka  <jh@suse.cz>
3698
3699         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3700
3701 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
3702
3703         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3704         structure as argument.
3705
3706 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
3707
3708         PR tree-optimization/21921
3709         * tree-iterator.c (tsi_link_before): Support the case when
3710         tsi_end_p (tsi) == true.
3711
3712 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3713
3714         PR tree-optimization/22442
3715         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3716         correctly.
3717
3718 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3719
3720         PR rtl-optimization/20376
3721         * toplev.c (process_options): Enable -fweb and -frename-registers when
3722         unrolling.
3723         * doc/invoke.texi: Update the information about when -fweb and
3724         -frename-registers are enabled.
3725
3726 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3727
3728         PR tree-opt/21840
3729         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3730         if *rhs_p is not a SSA_NAME.
3731
3732 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
3733
3734         Fix PR tree-optimization/22422
3735         * tree-ssa-structalias.c (struct variable_info): Add flag for
3736         special vars.
3737         (get_varinfo): Now a static function.
3738         (new_varinfo): init has_union and is_special_var to false.
3739         (solution_set_add): Check has_union.
3740         (do_da_constraint): Move temporary variable so it gets reset
3741         properly.
3742         Also check for special variable.
3743         (do_ds_constraint): Ditto.
3744         (do_sd_constraint): Ditto.
3745         (do_structure_copy): Check for special variable.
3746         (find_func_aliases): Ditto.
3747         (init_base_vars): Set special vars properly.
3748
3749 2005-07-13  Jan Hubicka  <jh@suse.cz>
3750
3751         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3752         do unit-at-a-time.
3753
3754         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3755         (get_expr_operands): Fix thinko wrt flags and subvars.
3756
3757         PR tree-optimize/22379
3758         * tree-inline.c (expand_call_inline): Do not output sorry in early
3759         inlining.
3760
3761 2005-07-12  Dale Johannesen  <dalej@apple.com>
3762
3763         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
3764
3765 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3766
3767         PR bootstrap/21704
3768         * host-linux.h: Include limits.h.
3769
3770 2005-07-12  Dale Johannesen  <dalej@apple.com>
3771
3772         * expr.c (compress_float_constant):  Add cost check.
3773         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
3774
3775 2005-07-12  Dale Johannesen  <dalej@apple.com>
3776
3777         * gcc.target/i386/compress-float-sse.c:  New.
3778         * gcc.target/i386/compress-float-sse-pic.c:  New.
3779         * gcc.target/i386/compress-float-387.c:  New.
3780         * gcc.target/i386/compress-float-387-pic.c:  New.
3781         * gcc.dg/compress-float-ppc.c:  New.
3782         * gcc.dg/compress-float-ppc-pic.c:  New.
3783
3784 2005-07-12  Eric Christopher  <echristo@redhat.com>
3785
3786         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3787         static extra parts.
3788         * config/s390/s390.md: Include tpf.md. Move tpf specific
3789         patterns...
3790         * config/s390/tpf.md: To here.
3791         * config/s390/s390.opt: Move tpf specific options...
3792         * config/s390/tpf.opt: to here. Add mmain option.
3793         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3794         * config/s390/tpf.h: Rewrite.
3795
3796 2005-07-12  Eric Christopher  <echristo@redhat.com>
3797
3798         * gcc.c (struct infile): Update comment for language.
3799         (main): Rewrite input file resetting code.
3800
3801 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3802
3803         PR tree-opt/22335
3804         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3805         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
3806         (lookup_avail_expr): Use constant_boolean_node instead
3807         of boolean_false_node/boolean_true_node.
3808
3809 2005-07-12  Ben Elliston  <bje@au.ibm.com>
3810
3811         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3812         and use it when printing num_edges.
3813
3814 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3815
3816         * doc/extend.texi (Blackfin Built-in Functions): New section.
3817         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3818         @opindex.
3819
3820 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
3821
3822         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3823         s/cmpstrsi/cmpstrnsi
3824         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3825         'cmpstrnsi'.
3826         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3827         (init_optabs): Initialize cmpstrn_optab.
3828         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3829         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3830         * expr.c: (enum insn_code cmpstrn_optab): Declare.
3831         * config/i386/i386.md: s/cmpstr/cmpstrn
3832         * config/c4x/c4x.md: s/cmpstr/cmpstrn
3833         * doc/md.texi: Update documentation.
3834
3835 2005-07-11  Richard Henderson  <rth@redhat.com>
3836
3837         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3838         build_va_arg_indirect_ref.
3839         (alpha_gimplify_va_arg): Likewise.
3840         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3841         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3842         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3843         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3844         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3845         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3846         Likewise.
3847         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3848
3849 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3850
3851         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3852         * passes.c (init_optimization_passes): Add pass_empty_loop.
3853         * tree-pass.h (pass_empty_loop): Declare.
3854         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3855         try_remove_empty_loop, remove_empty_loops): New functions.
3856         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3857         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3858
3859 2005-07-12  Peter Barada  <peter@the-baradas.com>
3860
3861         PR middle-end/16719
3862         PR middle-end/18421
3863         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3864         in address registers.
3865         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3866         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3867         alternative of addsi3_5200.
3868
3869 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3870
3871         * config/mips/mips.md (ffs<mode>2): Remove.
3872
3873 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3874
3875         * doc/tree-ssa.texi (Cleanups): Improve description of
3876         TRY_FINALLY_EXPR.
3877         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3878
3879 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3880
3881         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3882         * tree.h (DECL_ARGUMENT_FLD): New macro.
3883
3884 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3885
3886         Fix PR tree-optimization/22404
3887
3888         * tree-ssa-structalias.c (create_variable_info_for): Use
3889         correct offset.
3890
3891 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3892
3893         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3894         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3895         for second comparison operand.
3896         * config/bfin/predicates.md (reg_or_const_int_operand): New.
3897
3898         * config/bfin/bfin.md (define_attr "type"): Add "sync".
3899         (define_insn_reservation "alu"): Likewise.
3900         (csync, ssync): Now of type sync.
3901         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3902         -mcsync-anomaly -mspecld-anomaly.
3903         * config/bfin/bfin.opt (mcsync): Remove.
3904         (mcsync-anomaly, mspecld-anomaly): Add.
3905         * config/bfin/bfin.c: Include "insn-codes.h".
3906         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3907         (TARGET_DEFAULT_TARGET_FLAGS): New.
3908         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3909
3910 2005-07-11  Steven Bosscher  <stevenb@suse.de>
3911
3912         * basic-block.h: Give the BB flags enum a name, bb_flags.
3913         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3914         * cfgcleanup.c (enum bb_flags): Remove here.
3915         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3916         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3917         (update_forwarder_flag): Likewise.
3918         (thread_jump): Likewise.
3919         (try_forward_edges): Likewise.
3920         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
3921         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
3922         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3923
3924 2005-07-11  Richard Guenther  <rguenther@suse.de>
3925
3926         * config/i386/i386.opt: New target option -msseregparm.
3927         * config/i386/i386.c (override_options): Error out for
3928         -msseregparm but no SSE support.
3929         (ix86_function_sseregparm): Check for global sseregparm.
3930         * doc/invoke.texi: Document -msseregparm.
3931
3932 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3933
3934         * config.gcc (m32r-*-linux*): Use the default extra_parts.
3935         (m32rle-*-linux*): Ditto.
3936
3937 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
3938
3939         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3940         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3941         bytes.
3942
3943 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3944
3945         PR middle-end/22239
3946         PR target/20126
3947         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3948         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3949
3950 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
3951
3952         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3953         (varmap): Heapify varmap.
3954         (constraints): Heapify constraints.
3955         (struct constraint_graph): Heapify succs and preds.
3956         (constraint_vec_find): Update for heapification.
3957         (constraint_set_union): Ditto.
3958         (insert_into_complex): Ditto.
3959         (constraint_edge_vec_find): Ditto.
3960         (erase_graph_self_edge): Ditto.
3961         (add_graph_edge): Ditto.
3962         (get_graph_weights): Ditto.
3963         (merge_graph_nodes): Ditto.
3964         (build_constraint_graph): Ditto.
3965         (topo_visit): Ditto.
3966         (solve_graph): Ditto.
3967         (create_variable_info_for): Ditto.
3968         (init_base_vars): Ditto.
3969         (delete_points_to_sets): Free graph, varmap, and complex constraints.
3970         (condese_varmap_nodes): Free complex vector.
3971         (clear_edges_for_node): Clear succs and preds vector.
3972
3973 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3974
3975         * tree-ssa-structalias.c (update_alias_info): Change counting of
3976         references to not include vdefs.
3977
3978 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3979
3980         * tree-ssa-alias.c (free_used_part_map): Add missing free.
3981         (up_insert): Ditto.
3982
3983 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3984
3985         * pa.c (pa_commutative_p): Make PLUS commutative when
3986         TARGET_NO_SPACE_REGS is true.
3987
3988 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3989
3990         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3991         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3992         * tree-dfa.c (dump_subvars_for): New.
3993         (debug_subvars_for): New.
3994         (dump_variable): Show subvariables if VAR has them.
3995         * tree-flow-inline.h (get_subvar_at): New.
3996         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3997         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3998         Update all users.
3999         (struct subvar): Change fields offset and size to unsigned
4000         HOST_WIDE_INT.
4001         (dump_subvars_for): Declare.
4002         (debug_subvars_for): Declare.
4003         (get_subvar_at): Declare.
4004         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4005         to unsigned HOST_WIDE_INT *.
4006         (overlap_subvar): Likewise.
4007         * tree-gimple.c (is_gimple_reg): Always return false for
4008         SFTs and memory tags.
4009         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4010         Update all callers.
4011         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4012         (compute_may_aliases): Call compute_points_to_sets.
4013         (collect_points_to_info_for): Remove.
4014         (compute_points_to_and_addr_escape): Remove.
4015         (delete_alias_info): Call delete_points_to_sets.
4016         (compute_flow_sensitive_aliasing): If the call to
4017         find_what_p_points_to returns false, call set_pt_anything.
4018         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4019         (set_pt_anything): Clear pi->pt_vars.
4020         (set_pt_malloc): Remove.
4021         (merge_pointed_to_info): Remove.
4022         (add_pointed_to_expr): Remove.
4023         (add_pointed_to_var): Remove.
4024         (collect_points_to_info_r): Remove.
4025         (is_escape_site): Make extern.
4026         (create_sft): New.
4027         (create_overlap_variables_for): Call it.
4028         * tree-ssa-copy.c (merge_alias_info): Never merge
4029         flow-sensitive alias information.
4030         * tree-ssa-operands.c (get_expr_operands): Adjust variables
4031         offset and size to be unsigned HOST_WIDE_INT.
4032         (add_to_addressable_set): Rename from note_addressable.
4033         Set TREE_ADDRESSABLE as the variables are added to the set.
4034         Update all users.
4035         (add_stmt_operand): Do not try to micro-optimize unmodifiable
4036         operands into VUSEs when adding V_MAY_DEFs for members in an
4037         alias set.
4038         * tree-ssa-operands.h (add_to_addressable_set): Declare.
4039         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4040         (struct variable_info): Add bitfield is_heap_var.
4041         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4042         (new_var_info): Initialize is_heap_var.
4043         (get_constraint_for): Add HEAP variables to the symbol table.
4044         Mark them with is_heap_var.
4045         (update_alias_info): New.  Taken mostly from the old
4046         compute_points_to_and_addr_escape.
4047         (handle_ptr_arith): New.
4048         (find_func_aliases): Call update_alias_info.
4049         Call handle_ptr_info for tcc_binary expressions.
4050         Call mark_stmt_modified.
4051         (create_variable_info_for): If DECL has subvars, do not create
4052         variables for its subvars.  Always add all the fields.
4053         (set_uids_in_ptset): If the solution includes ANYOFFSET and
4054         SFTs, then add all the SFTs of the structure.
4055         If VI->DECL is an aggregate with subvariables, add the SFT at
4056         VI->OFFSET.
4057         (find_what_p_points_to): If VI is an artificial variable,
4058         translate to bitfields in SSA_NAME_PTR_INFO.
4059         If the solution is empty, set pi->pt_vars to NULL
4060         (init_base_vars): Create ANYOFFSET.
4061         (compute_points_to_sets): Rename from create_alias_vars.
4062         Make extern.
4063         (pass_build_pta): Remove.
4064         (delete_points_to_sets): Rename from delete_alias_vars.
4065         (pass_del_pta): Remove.
4066         * tree-ssa-structalias.h (struct alias_info): Move from
4067         tree-ssa-alias.h.
4068         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4069         NUM_REFERENCES_SET): Likewise.
4070         (compute_points_to_sets, delete_points_to_sets): Declare.
4071
4072 2005-07-09  Richard Henderson  <rth@redhat.com>
4073
4074         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4075         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4076         alpha_split_lock_test_and_set_12): New functions.
4077         * config/alpha/alpha-protos.h: Update.
4078         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4079         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4080         * config/alpha/sync.md (I12MODE): New.
4081         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4082         (sync_<fetchop_name><I48MODE>): Likewise.
4083         (sync_nand<I48MODE>): Likewise.
4084         (sync_old_<fetchop_name><I48MODE>): Likewise.
4085         (sync_new_<fetchop_name><I48MODE>): Likewise.
4086         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4087         (sync_compare_and_swap<I48MODE>): Likewise.
4088         (sync_lock_test_and_set<I48MODE>): Likewise.
4089         (sync_compare_and_swap<I12MODE>): New.
4090         (sync_compare_and_swap<I12MODE>_1): New.
4091         (sync_lock_test_and_set<I12MODE>): New.
4092         (sync_lock_test_and_set<I12MODE>_1): New.
4093
4094 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4095
4096         PR 21356
4097         PR 22332
4098         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4099
4100 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
4101
4102         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4103         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4104
4105 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
4106
4107         PR target/21656
4108         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4109
4110 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
4111
4112         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4113         memory_operand constraint.
4114         (store_conditional_<mode>): Same.
4115         (sync_compare_and_swap<mode>): Same.
4116         (sync_lock_test_and_set<mode>): Same.
4117
4118 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
4119
4120         Rewrite PIC support to more closely model actual instructions.
4121         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4122         (cris_symbol): Remove prototypes for removed functions.
4123         (cris_pic_symbol_type_of, cris_valid_pic_const)
4124         (cris_expand_pic_call_address): Prototypes for new functions.
4125         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4126         variable.
4127         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4128         modifiers.
4129         <case ':'>: Add case for new punctuation character.
4130         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4131         emitting (extra) PIC modifier.
4132         <case UNSPEC>: Do not assert for PLT.
4133         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4134         (cris_expand_prologue, cris_expand_epilogue): Check
4135         for pic_offset_table_rtx usage instead of taking
4136         current_function_uses_pic_offset_table as the final word.
4137         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4138         Remove flag_pic difference.
4139         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4140         the moral equivalents of...
4141         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4142         functions.
4143         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4144         (cris_handle_option): Mark ARG as unused.
4145         (cris_expand_pic_call_address): New worker function for "call",
4146         "call_value".
4147         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4148         output PIC constructs here.
4149         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4150         as symbol-specific modifers, not whole or part of operands.
4151         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4152         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4153         constants and flag_pic.
4154         (CONSTANT_INDEX_P): Adjust for new functions.
4155         (enum cris_pic_symbol_type): New helper type.
4156         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4157         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4158         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4159         define_constants.
4160         ("movsi"): Emit actual instructions for GOT and relative access.
4161         ("*movsi_got_load"): New pattern to set up the register holding
4162         the GOT pointer.
4163         ("*movsi_internal"): Operand 1 is not a plain general_operand.
4164         Adjust FIXME for 'S'.
4165         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4166         Use "movs" for -fpic cases.
4167         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4168         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4169         ("call", "call_value"): Just call cris_expand_pic_call_address for
4170         PIC addresses.
4171         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4172         Remove special pattern.
4173         ("*expanded_call_side", "*expanded_call_value_side"): New
4174         patterns.
4175         (gotplt-to-plt, gotplt-to-plt-side-call)
4176         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4177         peephole2:s.
4178         * config/cris/cris/predicates.md
4179         ("cris_general_operand_or_gotless_symbol"): Remove unused
4180         predicate.
4181         ("cris_general_operand_or_symbol"): Adjust for new functions.
4182
4183 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4184
4185         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4186
4187 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
4188
4189         * Makefile.in (TREE_H): Add treestruct.def.
4190         (c-decl.o): Add pointer-set.h
4191         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4192         visibility on regular DECL's.
4193         (merge_decls): Fix the copying of decl nodes of various types for
4194         the new structures.  Don't update RTL, section name, weak status,
4195         etc, on DECL's without RTL.
4196         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4197         Don't check volatile on non-variable types.
4198         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4199         to check whether we have seen arguments.
4200         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4201         flag is checked before field (flag is common, field is not).
4202         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
4203         TS_DECL_COMMON could have an origin.
4204         (add_location_or_const_value_attribute): Don't check section name
4205         on non-var/function decls.
4206         (dwarf2out_var_location): Reverse order of tests.
4207         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4208         with DECL_WRTL_CHECK.
4209         * expmed.c (make_tree): rtl is now in decl_with_rtl.
4210         * fold-const.c (fold_binary): Don't check weakness on
4211         non-var/function decls.
4212         (tree_expr_nonzero_p): Ditto.
4213         (fold_checksum_tree): Use tree_decl_extra as sizeof
4214         buffer.
4215         * ggc-page.c (extra_order_size_table): Add sizes for
4216         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
4217         tree_field_decl.
4218         * gimplify.c (gimplify_bind_expr): Only set
4219         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4220         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4221         without RTL.
4222         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4223         * langhooks.h (init_ts). New langhook.
4224         * passes.c (rest_of_decl_compilation): Reverse order of tests.
4225         * print-tree.c (print_node): Update to only print fields that
4226         exist in the structures the passed decl has.
4227         * toplev.c (wrapup_global_declarations): Don't reset
4228         DECL_DEFER_OUTPUT on DECL's that don't contain it.
4229         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4230         * tree-inline.c (remap_decl): Ditto.
4231         * tree-outof-ssa.c (create_temp): Reverse order of tests.
4232         * tree-pretty-print.c (print_declaration): Don't print
4233         DECL_REGISTER on things that don't contain it.
4234         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4235         non-var/function decls.
4236         * tree.c (tree_contains_struct): New structure.
4237         (init_priority_for_decl): New hashtable.
4238         (tree_int_map): New structure.
4239         (tree_int_map_eq): New function.
4240         (tree_int_map_marked_p): Ditto.
4241         (tree_int_map_hash): Ditto.
4242         (tree_map): Move to tree.h.
4243         (tree_map_eq): Externalize.
4244         (tree_map_hash): Ditto.
4245         (tree_map_marked_p): Ditto.
4246         (init_ttree): Set up tree_contains_struct and call langhook.
4247         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4248         (tree_code_size): Update for new structures.
4249         (tree_node_structure): Update for new structures.
4250         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4251         without the field.
4252         (copy_node_stat):  Copy init priority.
4253         (build_decl_stat): Ditto for visibility.
4254         (ts_enum_names): New.
4255         (tree_contains_struct_check_failed): New function.
4256         (decl_init_priority_lookup): Ditto.
4257         (decl_init_priority_insert): Ditto.
4258         * treestruct.def: New file.
4259         * tree.h (CODE_CONTAINS_STRUCT): New macro.
4260         (CONTAINS_STRUCT_CHECK): Ditto.
4261         (tree_contains_struct_check_failed): New prototype.
4262         (DECL_CHECK): Removed.
4263         (DECL_MINIMAL_CHECK): New.
4264         (DECL_COMMON_CHECK): Ditto.
4265         (DECL_WRTL_CHECK): Ditto.
4266         (DECL_NON_COMMON_CHECK): Ditto.
4267         (DECL_WITH_VIS_CHECK): Ditto.
4268         (VAR_OR_FUNCTION_DECL_P): Ditto
4269         (struct tree_decl_minimal): New structure.
4270         (struct tree_decl_common): Ditto.
4271         (struct tree_decl_with_rtl): Ditto.
4272         (struct tree_decl_with_vis): Ditto.
4273         (struct tree_decl_non_common): Ditto.
4274         (struct tree_field_decl): Ditto.
4275         (struct tree_parm_decl): Ditto.
4276         (struct tree_var_decl): Ditto.
4277         (struct tree_function_decl): Ditto.
4278         (struct tree_const_decl): Ditto.
4279         (struct tree_result_decl): Ditto.
4280         (union tree_node): Add new structures.
4281         * var-tracking.c (track_expr_p): Reverse order of tests.
4282
4283         * doc/c-tree.texi: Add documentation on DECL node internal structure.
4284
4285 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4286
4287         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4288         * system.h: Poison FINALIZE_PIC.
4289         * doc/tm.texi (FINALIZE_PIC): Remove.
4290
4291 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4292
4293         PR tree-opt/22329
4294         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4295         to the correct type if we have a MODIFY_EXPR.
4296
4297 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4298
4299         PR tree-optimization/22360
4300         * tree.c (upper_bound_in_type): Fix calculations for casting
4301         to a non-wider signed type and casting a signed value to a
4302         wider unsigned type.
4303         (lower_bound_in_type): Fix calculations for casting to a
4304         non-wider signed type.
4305
4306         PR tree-optimization/20139
4307         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4308         release_defs.
4309         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4310         fold_cond_expr_cond.
4311         * tree-ssanames.c (release_defs): Assert in_ssa_p.
4312         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4313
4314 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4315
4316         PR tree-opt/22356
4317         * tree-complex.c (expand_complex_libcall): Produce
4318         REALPART_EXPR/IMAGPART_EXPR with the correct type.
4319
4320 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
4321
4322         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4323         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4324         b" assert and inserted fastpath code for this case.
4325         (bitmap_ior): Removed "a != b" assert.
4326
4327 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4328
4329         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
4330         (ENDFILE_SPEC): Likewise.
4331         * config/m32r/m32r.h (ASM_SPEC): Likewise.
4332
4333         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
4334         a large stack frame at epilogue.
4335
4336 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
4337
4338         * final.c: Include sdbout.h when required.
4339
4340 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
4341
4342         * config.gcc (*-*-darwin*): Only one target-specific header file
4343         for generic darwin.
4344         (powerpc-*-darwin*): Add version-specific header files.
4345         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
4346         * config.in: Regenerate.
4347         * configure: Regenerate.
4348         * gcc.c: Include xregex.h.
4349         (version_compare_spec_function): New.
4350         (spec_function): Add version-compare.
4351         (replace_outfile_spec_function): Reformat comment.
4352         (compare_version_strings): New.
4353         * config/darwin-c.c (version_as_macro): New.
4354         (builtin_define): New.
4355         (darwin_cpp_builtins): New.
4356         * config/darwin-protos.h (darwin_cpp_builtins): New.
4357         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
4358         (LIB_SPEC): Make unconditional, update comment.
4359         (TARGET_C99_FUNCTIONS): Define.
4360         * config/darwin.opt: Sort.
4361         (mmacosx-version-min=): New.
4362         * config/darwin7.h: Delete.
4363         * config/darwin8.h: Delete.
4364         * config/i386/darwin.h (): Call darwin_cpp_builtins.
4365         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
4366         (TARGET_C99_FUNCTIONS): Define.
4367         * config/rs6000/darwin7.h: New.
4368         * config/rs6000/darwin8.h: New.
4369         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
4370         (-mmacosx-version-min): Document.
4371
4372 2005-07-07  Ian Lance Taylor  <ian@airs.com>
4373
4374         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
4375
4376 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
4377
4378         PR middle-end/22239
4379         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
4380
4381 2005-07-07  Khem Raj  <kraj@mvista.com>
4382
4383         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
4384         in bytes, not words.
4385
4386 2005-07-07  Paul Brook  <paul@codesourcery.com>
4387
4388         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
4389         DEFAULT_FUNCTION_ARG_PADDING to upward.
4390
4391 2005-07-07  Richard Henderson  <rth@redhat.com>
4392
4393         * function.c (locate_and_pad_parm): Record parameter alignment in
4394         stack_alignment_needed.
4395
4396 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
4397
4398         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
4399         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
4400         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
4401         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
4402         (define_attr "type"): Add isync, sync, load_l, store_c.
4403         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
4404         Create scratch volatile MEM.
4405         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
4406         sync.
4407         (load_locked_<mode>): New.
4408         (store_conditional_<mode>): New.
4409         (sync_compare_and_swap<mode>): Replace with splitter.
4410         (sync_lock_test_and_set<mode>): Replace with splitter.
4411         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
4412         and UNSPECV_ISYNC.
4413         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
4414         is ics.  Attribute isync.
4415         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
4416         lwsync.
4417         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
4418         and UNSPECV_SYNC_OP.
4419         (emit_unlikely_jump): New.
4420         (emit_load_locked): New.
4421         (emit_store_conditional): New.
4422         (rs6000_split_compare_and_swap): New.
4423         (rs6000_split_lock_test_and_set): New.
4424         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
4425         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
4426         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
4427         rs6000_split_lock_test_and_set): Declare.
4428         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
4429         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
4430         store_c, isync, sync.
4431
4432 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
4433
4434         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
4435         filenames to gtyp-gen.h.
4436         (s-typ-gen): Use it in place of for loops.
4437
4438 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
4439
4440         * hooks.c (hook_bool_rtx_int_false): New function.
4441         * hooks.h (hook_bool_rtx_int_false): Declare.
4442         * target-def.h (TARGET_COMMUTATIVE_P): Define.
4443         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
4444         * target.h (struct gcc_target): Add commutative_p member.
4445         * targhooks.c (hook_bool_rtx_commutative_p): New function.
4446         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
4447         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
4448         (pa_commutative_p): New function.
4449         * jump.c (target.h): Include.
4450         (rtx_renumbered_equal_p): Use targetm.commutative_p.
4451         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
4452
4453 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4454
4455         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
4456         (s390_expand_setmem): New.
4457         * config/s390/s390.c: Likewise.
4458         (print_shift_count_operand): Truncate to 12 bits instead of 6.
4459         Adapt comments.
4460         * config/s390/s390.md: ("setmem<mode>"): Accept character as
4461         general_operand.  Call new function "s390_expand_setmem".
4462         ("clrmem_long", "*clrmem_long"): Rewrite to ...
4463         ("setmem_long", "*setmem_long"): ... this.
4464
4465 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4466
4467         * config/s390/s390.c: (optimization_options): Enable
4468         TARGET_MVCLE at -Os.
4469         * doc/invoke.texi: Document changes in default behaviour.
4470         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
4471
4472 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4473
4474         * expr.c: (set_storage_via_setmem): Convert opchar to mode
4475         defined by back-end.
4476
4477 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
4478
4479         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
4480         all sets in the pattern.
4481         * config/rs6000/rs6000.md (stack_protect_testsi,
4482         stack_protect_testdi): Likewise.
4483
4484 2005-07-06  Jeff Law  <law@redhat.com>
4485
4486         * tree-vrp.c (simplify_using_ranges): Kill.
4487         (vrp_finalize): Remove call to simplify_using_ranges.
4488         (simplify_stmt_using_ranges): New function extracted from
4489         simplify_using_ranges.
4490         (simplify_div_or_mod_using_ranges): Likewise.
4491         (simplify_abs_using_ranges): Likewise.
4492         (simplify_cond_using_ranges): New function.
4493         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
4494         * tree-ssa-propagate.c (substitute_and_fold): Call
4495         simplify_stmt_using_ranges if we have range information.
4496
4497 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
4498
4499         * config/ia64/ia64.c (ia64_reorg): Check optimize before
4500         ia64_flag_schedule_isns2.
4501
4502         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
4503         reading/writing general registers.
4504         (ia64_function_arg): Revert 2005-06-18 change.
4505
4506 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4507
4508         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
4509         (legitimize_tls_address): Use gcc_unreachable instead of abort.
4510
4511 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
4512
4513         * function.c (expand_function_end): Revert part of 2005-06-27
4514         patch.  Do sjlj_emit_function_exit_after after return_label.
4515
4516 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4517
4518         * doc/install.texi (--disable-libssp): New.
4519
4520 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
4521
4522         * doc/invoke.texi: Update -fforce-mem documentation.
4523         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
4524         code for -fforce-mem.
4525         * expmed.c: (store_bit_field,store_fixed_bit_field,
4526         extract_bit_field): Ditto.
4527         * expr.c: (convert_move): Ditto.
4528         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
4529         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
4530         emit_conditional_add,expand_float,expand_fix): Ditto.
4531         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
4532         (common_handle_option): Issue warning when -fforce-mem specified.
4533
4534 2005-07-06  Paul Brook  <paul@codesourcery.com>
4535
4536         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4537         argument is empty.
4538         * configure: Regenerate.
4539
4540 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
4541
4542         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4543
4544 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
4545
4546         Fix PR tree-optimization/22319
4547         Fix PR tree-optimization/22140
4548         Fix PR tree-optimization/22310
4549
4550         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4551         variable sized types.
4552         Use correct type for intermediate structure on *a = *b structure
4553         copies.
4554
4555 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4556
4557         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4558         Remove.
4559         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4560         (machine_function): Move typedef to...
4561         * config/rs6000/rs6000.c (machine_function): ... here.  Add
4562         varargs_save_offset field.
4563         (rs6000_stack_t): Remove varargs_size field.
4564         (setup_incoming_varargs): Allocate varargs save area using
4565         assign_stack_local, try to make it as small as possible.
4566         Save offset from virtual_stack_vars_rtx to the save area
4567         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
4568         instead of magic 8 when fp word byte size is used.
4569         (rs6000_va_start): Use cfun->machine->varargs_save_offset
4570         instead of -RS6000_VARARGS_SIZE.
4571         (rs6000_stack_info, debug_stack_info,
4572         rs6000_initial_elimination_offset): Remove all traces of
4573         varargs_size.
4574         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4575         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4576         RS6000_VARARGS_AREA.
4577
4578 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
4579
4580         PR tree-optimization/21963
4581         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4582         constant_multiple_of in the same way get_computation_cost_at does.
4583
4584 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4585
4586         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4587         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4588         (gen_compare_reg): If sparc_compare_emitted is set, clear it
4589         and return its previous value.
4590         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4591         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4592         constants.
4593         (stack_protect_set, stack_protect_test): New expanders.
4594         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4595         stack_protect_testdi): New insns.
4596         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4597         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4598
4599 2005-07-06  Jeff Law  <law@redhat.com>
4600
4601         * tree-ssa-dce.c (cfg_altered): New global.
4602         (tree_dce_init): Initialize cfg_altered.
4603         (remove_dead_stmt): If we remove an edge in the CFG, then set
4604         CFG_ALTERED.
4605         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4606         the dominators.
4607
4608 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4609
4610         * Makefile.in (stamp-collect-ld): Use
4611         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
4612         ./collect-ld if it already exists.
4613         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4614         Don't remove ./nm if it already exists.
4615
4616 2005-07-05  Devang Patel  <dpatel@apple.com>
4617
4618         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4619         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4620         * tree-vectorizer.c (vect_loop_location): New.
4621         (vect_print_dump_info): Use vect_loop_location.
4622         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4623         (vectorize_loops): Set vect_loop_location.
4624         * tree-vect-analyze.c (vect_analyze_offset_expr,
4625         vect_determin_vectorization_factor, vect_analyze_operations,
4626         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4627         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4628         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4629         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4630         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4631         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4632         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4633         vect_analyze_loop): Adjust vect_print_dump_info API.
4634         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4635         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4636         vect_finish_stmt_generation, vectorizable_assignment,
4637         vectorizable_operation, vectorizable_store, vectorizable_load,
4638         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4639         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4640         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4641         vect_transform_loop): Same.
4642         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4643         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4644         Same.
4645
4646 2005-07-05  Randolph Chung  <tausq@debian.org>
4647
4648         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4649         * configure: Regenerate.
4650         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4651         (pa_tls_referenced_p): Declare.
4652         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4653         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4654         (legitimize_tls_address): New.
4655         (hppa_legitimize_address): Handle TLS addresses.
4656         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4657         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4658         (emit_move_sequence): Handle TLS addresses.
4659         (pa_encode_section_info): Call default handler to handle common
4660         sections.
4661         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4662         (CONSTANT_ADDRESS_P): Reject TLS operands.
4663         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4664         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4665         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4666         (UNSPEC_TLSLE): Define new constants.
4667         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4668         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4669         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4670         (tie_symbolic_operand, tle_symbolic_operand): New
4671
4672 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
4673
4674         * aclocal.m4: Update macros for autoconf 2.59 style.
4675         * configure.ac: Likewise.
4676
4677 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4678
4679         * pa.c (function_value): Handle small aggregates on 32-bit targets.
4680         (function_arg): Pass small aggregates in general registers on 32-bit
4681         targets.
4682         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4683
4684 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
4685
4686         * Makefile.in (final.o): Fix dependencies.
4687
4688 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4689
4690         PR c/22013
4691         PR c/22098
4692         * langhooks.h (struct lang_hooks): Add expr_to_decl.
4693         * langhooks.c (lhd_expr_to_decl): New.
4694         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4695         New.
4696         (LANG_HOOKS_INITIALIZER): Update.
4697         * tree.c (recompute_tree_invarant_for_addr_expr): Call
4698         expr_to_decl langhook.
4699         * c-tree.h (c_expr_to_decl): Declare.
4700         * c-typeck.c (c_expr_to_decl): New.
4701         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4702         specially.
4703         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4704
4705 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4706
4707         PR c/22308
4708         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4709         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4710
4711 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
4712
4713         * Makefile.in: Adjust dependencies.
4714         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4715         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4716         * alias.c (rest_of_handle_cfg, pass_cfg): New.
4717         * bb-reorder.c (duplicate_computed_gotos): Make it static.
4718         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4719         rest_of_compilation.
4720
4721         * bb-reorder.c (gate_duplicate_computed_gotos,
4722         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4723         rest_of_handle_reorder_blocks, pass_reorder_blocks,
4724         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4725         pass_partition_blocks): New.
4726         * bt-load.c (gate_handle_branch_target_load_optimize,
4727         rest_of_handle_branch_target_load_optimize,
4728         pass_branch_target_load_optimize): New.
4729         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4730         pass_jump2): New.
4731         * cfglayout.c (pass_insn_locators_initialize): New.
4732         * cfgrtl.c (pass_free_cfg): New.
4733         * combine.c (gate_handle_combine, rest_of_handle_combine,
4734         pass_combine): New.
4735         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4736         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4737         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4738         * except.c (pass_set_nothrow_function_flags,
4739         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4740         pass_rtl_eh): New.
4741         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4742         rest_of_handle_shorten_branches, pass_shorten_branches,
4743         rest_of_clean_state, pass_clean_state): New.
4744         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4745         rest_of_handle_remove_death_notes, pass_remove_death_notes,
4746         rest_of_handle_life, pass_life, rest_of_handle_flow2,
4747         pass_flow2): New.
4748         * function.c (pass_instantiate_virtual_regs, pass_init_function,
4749         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4750         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4751         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4752         pass_gcse): New.
4753         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4754         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4755         pass_rtl_ifcvt, gate_handle_if_after_combine,
4756         rest_of_handle_if_after_combine, pass_if_after_combine,
4757         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4758         pass_if_after_reload): New.
4759         * integrate.c (pass_initial_value_sets): New.
4760         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4761         pass_purge_lineno_notes): New.
4762         * mode-switching.c (rest_of_handle_mode_switching,
4763         pass_mode_switching): New.
4764         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4765         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4766         pass_loop2): New.
4767         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4768         pass_loop_optimize): New.
4769         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4770         pass_sms): New.
4771         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4772         pass_gcse2): New.
4773         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4774         pass_postreload_cse): New.
4775         * profile.c (gate_handle_profiling, pass_profiling,
4776         rest_of_handle_branch_prob, pass_branch_prob): New.
4777         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4778         pass_split_before_regstack, gate_handle_split_before_regstack,
4779         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
4780         rest_of_handle_split_all_insns, pass_split_all_insns): New.
4781         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
4782         pass_stack_regs): New.
4783         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
4784         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
4785         pass_stack_adjustments): New.
4786         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
4787         pass_regrename): New.
4788         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
4789         pass_delay_slots, gate_handle_machine_reorg,
4790         rest_of_handle_machine_reorg, pass_machine_reorg): New.
4791         * rtl.h (extern void purge_line_number_notes): New.
4792         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
4793         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
4794         pass_sched2): New.
4795         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
4796         pass_tracer): New.
4797         * value-prof.c (gate_handle_value_profile_transformations,
4798         rest_of_handle_value_profile_transformations,
4799         pass_value_profile_transformations): New.
4800         * var-tracking.c (gate_handle_var_tracking,
4801         pass_variable_tracking): New.
4802         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
4803
4804         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
4805         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
4806         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
4807         rest_of_handle_old_regalloc, rest_of_handle_regrename,
4808         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
4809         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
4810         rest_of_handle_gcse2, rest_of_handle_regmove,
4811         rest_of_handle_tracer, rest_of_handle_if_conversion,
4812         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
4813         rest_of_handle_web, rest_of_handle_branch_prob,
4814         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
4815         rest_of_handle_jump_bypass, rest_of_handle_combine,
4816         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4817         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4818         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
4819         rest_of_handle_mode_switching, rest_of_handle_jump,
4820         rest_of_handle_eh, rest_of_handle_stack_adjustments,
4821         rest_of_handle_flow2, rest_of_handle_jump2,
4822         rest_of_handle_peephole2, rest_of_handle_postreload,
4823         rest_of_handle_shorten_branches, rest_of_clean_state,
4824         rest_of_compilation): Remove.
4825
4826         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
4827         * passes.c (dump_flags, in_gimple_form, all_passes,
4828         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4829         register_dump_files, next_pass_1, last_verified, execute_todo,
4830         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
4831         from tree-optimize.c.
4832         (init_optimization_passes): Moved from tree-optimize.c,
4833         adding the RTL optimizations.
4834         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
4835         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
4836         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4837         register_dump_files, next_pass_1, last_verified, execute_todo,
4838         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
4839         init_tree_optimization_passes, ipa_passes): Delete.
4840         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
4841         the RTL dumps.
4842         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
4843         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
4844         from tree.h.
4845         (ipa_passes): Remove.
4846         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
4847         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
4848         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
4849         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
4850         (dump_info_p, dump_flag): Moved to tree-dump.h.
4851
4852         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
4853         cgraph.c, opts.c.
4854         * passes.c (finish_optimization_passes): Use dump_begin
4855         and dump_end, TDI_end.
4856         (gate_rest_of_compilation): New.
4857         (pass_rest_of_compilation): Use it.
4858         (gate_postreload, pass_postreload): New.
4859         * toplev.c (general_init): Rename init_tree_optimization_passes.
4860         * toplev.h (init_tree_optimization_passes): Rename to
4861         init_optimizations_passes.
4862         * tree-dump.c (dump_flag): Make static.
4863         (dump_files): Remove RTL dumps.
4864         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
4865         pass_cleanup_cfg, pass_free_cfg_annotations,
4866         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
4867         pass_init_datastructures, pass_fixup_cfg): Make non-static.
4868         * tree-pretty-print.c: Include tree-pass.h.
4869         * cgraph.c: Include tree-dump.h.
4870
4871 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4872
4873         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
4874         Only fall back to saying it points to readonly memory if
4875         we can't do better.
4876
4877 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4878
4879         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
4880         * config/m32r/m32r.c (m32r_compute_frame_size,
4881         m32r_expand_prologue): Take current_function_profile into
4882         account whenever we reference
4883         current_function_uses_pic_offset_table.
4884         (m32r_finalize_pic): Remove.
4885         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
4886
4887 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
4888
4889         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
4890         instead of $<.  Don't remove ./as if it already exists.
4891
4892 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4893
4894         PR target/21723
4895         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
4896         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
4897         for complex modes when generating code for PA 1.0.
4898         (VALID_FP_MODE_P): New macro.
4899         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4900         sets for all general and floating point modes.  Align wide floating
4901         point modes to even register boundaries to comply with architectural
4902         requirements.
4903         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
4904         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
4905         (VALID_FP_MODE_P): New macro.
4906         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4907         sets for all general and floating point modes.  Align wide floating
4908         point modes to even register boundaries to comply with architectural
4909         requirements.
4910
4911 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4912
4913         * tree-dump.c (dump_files): Initialize dump number for .cgraph
4914         to 0.
4915
4916 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4917
4918         * tree-ssa-structalias.c: Don't include expr.h.
4919
4920 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4921
4922         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
4923         comments.
4924
4925 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4926
4927         Fix PR tree-optimization/22279
4928
4929         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
4930         correct operator.
4931
4932 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
4933
4934         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
4935
4936 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4937
4938         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
4939         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
4940         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
4941         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
4942         config/stormy16/stormy16.c, config/v850/v850.c,
4943         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
4944         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
4945         Avoid "." or "\n" at end of diagnostics and capital letters at
4946         start of diagnostics.
4947         * combine.c, cse.c: Don't translate dump file output.
4948         * toplev.c (print_version): Only translate output if going to
4949         stderr.
4950
4951 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4952
4953         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
4954         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
4955         typos.
4956
4957 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4958
4959         * pa.c (fix_range): Fix typo in comment.
4960
4961 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4962
4963         * tree-vrp.c (extract_range_from_assert): Replace
4964         fold (build (...)) with fold_build2.
4965
4966 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4967
4968         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
4969         gcc_gfc_char_table, init_dynamic_gfc_info): New.
4970         (format_types_orig, handle_format_attribute): Add support for
4971         format "gcc_gfc".
4972
4973 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4974
4975         * varasm.c (assemble_variable): Fix format specifier thinko.
4976
4977 2005-07-03  Ira Rosen  <irar@il.ibm.com>
4978
4979         PR tree-optimization/22029 (and 22135)
4980         * tree-pretty-print.c (dump_generic_node): Check that the node is not
4981         a phi node before calling dump_vops.
4982
4983 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4984
4985         * tree-dump.h (dump_string_field): Declare.
4986         * tree-dump.c: Use it instead of dump_string.
4987         (dump_string_field): Make non-static.
4988
4989 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4990
4991         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
4992         up the minimal CFG stuff always when optimize > 0.  Call
4993         split_all_insns_noflow in PIC case if needed.
4994
4995 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4996             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
4997
4998         PR c++/18279
4999         * c-decl.c (c_write_global_declarations): Dump contents of
5000         external scope to.
5001         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5002         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5003         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5004         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5005         is enabled.
5006
5007 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5008
5009         * c-common.h (GCC_DIAG_STYLE): Define.
5010         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
5011         version for format checking to 4.1.
5012         * c-format.c: Include toplev.h after c-common.h.
5013         (enum format_type): Add gcc_tdiag_format_type.
5014         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5015         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5016         (format_types_orig): Add gcc_tdiag.
5017         (init_dynamic_diag_info): Support gcc_tdiag formats.
5018         (handle_format_attribute): Likewise.
5019         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5020         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
5021         version for format checking to 4.1.
5022         (warning0, warning, error, pedwarn, sorry): Use
5023         ATTRIBUTE_GCC_DIAG.
5024         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5025         (finish_aliases_1): Do not use %qE.
5026         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5027         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5028         Correct format bugs.
5029         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5030         parameter to unsigned HOST_WIDE_INT.
5031         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5032
5033 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
5034
5035         PR middle-end/21742
5036         * expr.c (write_complex_part): Use adjust_address for MEM.
5037         (read_complex_part): Same.
5038
5039 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
5040
5041         Fix PR tree-optimization/22280
5042
5043         * tree-sra.c (generate_element_init): Remove useless loop.
5044
5045 2005-07-02  Richard Henderson  <rth@redhat.com>
5046
5047         * config/alpha/alpha.c (alpha_legitimize_address): Check for
5048         TLS_MODEL_NONE.
5049         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5050
5051 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
5052
5053         PR middle-end/14490
5054         * fold-const.c (fold_binary): Handle the return value of
5055         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5056         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5057
5058 2005-07-02  Jeff Law  <law@redhat.com>
5059
5060         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5061         a eliminate type conversion which feeds an equality comparison
5062         if the original type or either operand in the comparison is a
5063         function pointer.
5064
5065 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
5066
5067         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5068         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5069         texts.
5070         * config/avr/avr.c: Do not use '`' as left quote.
5071         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5072         Remove "." from end of diagnostics.  Make diagnostics start with
5073         lowercase letter.
5074
5075 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
5076             Joseph S. Myers  <joseph@codesourcery.com>
5077
5078         * toplev.c (default_tree_printer): Handle setting location with
5079         '+' flag.
5080         * c-objc.common.c (c_tree_printer): Likewise.
5081         * c-format.c (gcc_diag_flag_specs): Add '+'.
5082         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5083         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5084         formats.
5085         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5086         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5087         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5088         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5089         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5090         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
5091         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
5092         format arguments where %J is used without %D.
5093
5094 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
5095
5096         * gcc.c (LINK_SSP_SPEC): Define.
5097         (link_ssp_spec): New variable.
5098         (LINK_COMMAND_SPEC): Add %(link_ssp).
5099         (static_specs): Add link_ssp_spec.
5100         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5101         * configure: Rebuilt.
5102         * config.in: Rebuilt.
5103
5104         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5105         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5106         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5107         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5108         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5109         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5110         -0x7008(2) instead of reading __stack_chk_guard variable.
5111         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5112         number.
5113         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5114         (stack_protect_set, stack_protect_test): Use *_tls* patterns
5115         if TARGET_THREAD_SSP_OFFSET is defined.
5116         (stack_tls_protect_set_si, stack_tls_protect_set_di,
5117         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5118
5119         Revert:
5120         2005-06-27  Richard Henderson  <rth@redhat.com>
5121         * libgcc-std.ver (GCC_4.1.0): New.
5122         * libgcc.h (__stack_chk_guard): Declare.
5123         (__stack_chk_fail, __stack_chk_fail_local): Declare.
5124         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5125         * mklibgcc.in (lib2funcs): Add them.
5126
5127 2005-07-01  Richard Henderson  <rth@redhat.com>
5128
5129         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5130         void * before struct sigcontext *.
5131         (x86_fallback_frame_state): Likewise.
5132
5133 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
5134
5135         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5136
5137 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5138
5139         PR tree-opt/22269
5140         * tree-ssa-reassoc.c (should_transpose): Fix which operand
5141         we check for SSA_NAME for.
5142
5143 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
5144
5145         Fix PR tree-optimization/22071
5146
5147         * tree-ssa-structalias.c (offset_overlaps_with_access): New
5148         function.
5149         (get_constraint_for_component_ref): Use it.
5150
5151 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5152
5153         PR other/22264
5154         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5155         print out the last new line.
5156
5157 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
5158
5159         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5160         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5161         * config/cris/cris.c (cris_conditional_register_usage): Adjust
5162         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5163         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5164         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5165         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5166         (enum reg_class): New member CC0_REGS.
5167         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5168         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5169         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5170         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5171         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5172         Adjust for register now described.
5173
5174 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
5175
5176         PR target/22262
5177         * config/i386/i386.md (stack_protect_test_si,
5178         stack_protect_test_di): Add earlyclobber for scratch 3.
5179         * config/rs6000/rs6000.md (stack_protect_testsi,
5180         stack_protect_testdi): Add earlyclobber for scratch 3,
5181         remove earlyclobber from scratch 4.
5182
5183 Older entries for 2005 can be found in ChangeLog-2005.