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2005-08-24 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2             Jan Hubicka  <jh@suse.cz>
3
4         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5
6 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7
8         PR tree-optimization/23546
9         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
10         and REAL_CST nodes.
11
12 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
13
14         * params.def (PARAM_MIN_SPEC_PROB): New.
15         * sched-rgn.c (MIN_PROBABILITY): Delete.
16         (compute_trg_info): Convert to PARAM_VALUE.
17         * doc/invoke.texi (param): Document min-spec-prob.
18
19 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
20
21         * config/darwin.h: define __PIC__
22         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
23         TARGET_OS_CPP_BUILTINS macro.
24
25 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
26
27         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
28         yesterday.
29
30 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
31
32         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
33         to duplicate_block.
34         * cfghooks.c (duplicate_block): Added position where to place
35         new block as argument.
36         * cfghooks.h (duplicate_block): Declaration changed.
37         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
38         duplicate_block.
39         * cfglayout.h (copy_bbs): Declaration changed.
40         * cfgloop.h (loop_version): Declaration changed.
41         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
42         position to copy_bbs.
43         (loop_version): Pass position to duplicate_loop_to_header_edge.
44         Add place_after argument and position new blocks according to
45         it.
46         * modulo-sched.c (sms_schedule): Pass place_after argument
47         to loop_version.
48         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
49         * tree-cfg.c (split_edge_bb_loc): New function.
50         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
51         to determine position of new blocks.
52         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
53         to loop_version.
54         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
55         argument to duplicate_block.
56         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
57         Pass position to copy_bbs.
58
59 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
60
61         * fold-const.c (ptr_difference_const): Use
62         cst_and_fits_in_hwi instead of host_integerp.
63
64 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
65
66         * config/darwin.c (gen_pic_offset): New.
67         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
68         Use it.
69
70 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
71
72         PR tree-optimization/23486
73         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
74
75 2005-08-23  Phil Edwards  <phil@codesourcery.com>
76
77         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
78         remove use_collect2.
79         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
80
81         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
82         configuration files to override the default value.
83
84         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
85         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
86         * config/vx-common.h:  New file, split out from...
87         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
88         * config/vxworksae.h:  New file, for VxWorks AE.
89         * config/vxworks.opt:  New file.
90         * config/vxlib.c:  Update for VxWorks 6.
91
92         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
93         other MULTILIB_* variables appropriately.
94         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
95         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
96         * config/rs6000/vxworks.h:  Update for VxWorks 6.
97         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
98
99 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
100
101         PR target/20799
102         * config/darwin.c (machopic_select_section): Remove the hack to
103         mark "::operator new" and "::operator delete" for coalescing
104         even though they are not weak.
105
106 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
107
108         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
109         * configure: Regenerate.
110
111 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
112
113         PR middle-end/23517
114         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
115         between vectors.
116         * convert.c (convert_to_integer, convert_to_vector): Likewise.
117         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
118         Likewise.
119
120 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
121
122         * config/rs6000/predicates.md (equality_operator): New.
123         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
124         comparison with a large constant.
125
126 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
127
128         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
129
130 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
131
132         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
133         registers is even, and we have a hardware double precision fp,
134         align the buffer.
135         (sh_gimplify_va_arg_expr): For floating point arguments, consider
136         size of current argument when checking if argument was passed in
137         registers.
138
139         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
140
141         PR middle-end/23467
142         * stor-layout.c (finalize_type_size): Dont override
143         existing alignment with a smaller alignment from the mode.
144
145 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
146
147         * lambda-code.c (lambda_vector_lexico_pos): Moved...
148         * lambda.h (lambda_vector_lexico_pos): ... here.
149         * tree-data-ref.c (build_classic_dist_vector): Return false when
150         the distance vector is lexicographically negative.
151
152 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
153
154         PR tree-optimization/23511
155         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
156         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
157
158 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
159
160         PR tree-optimization/22043
161         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
162         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
163         If ALLOW_FLEXARR, handle types ending with flexible array member.
164         Pass false as second argument to recursive count_type_elements calls.
165         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
166         argument to count_type_elements call.
167         * tree-sra.c (decide_block_copy): Likewise.
168         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
169         for a constant-sized object, set cleared as well.  Pass true as
170         second argument to count_type_elements call.
171
172 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
173
174         PR target/21571
175         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
176         from legitimate_small_data_p, and make global.  Update use.
177         Remove forward declaration.
178         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
179         Declare.
180         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
181
182 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
183
184         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
185         of scratch intermediates.
186         (eq<mode>_compare): Same.
187         (neg_eq0<mode>): New.
188         (neg_eq<mode>): Convert to define_insn_and_split.
189
190 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
191
192         PR target/23070
193         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
194         stdarg functions, set/clear the fp marker even when no variable
195         args are passed.
196         * config/rs6000/sysv4.opt (mprototype): Describe.
197
198 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
199
200         PR rtl-optimization/23478
201         * regs.h (reg_info): Add throw_calls_crossed.
202         (REG_N_THROWING_CALLS_CROSSED): Define.
203         * flow.c (allocate_reg_life_data): Initialize
204         REG_N_THROWING_CALLS_CROSSED.
205         (propagate_one_insn, attempt_auto_inc): Update
206         REG_N_THROWING_CALLS_CROSSED.
207         * global.c (global_alloc): Don't allocate pseudos across
208         calls that may throw.
209
210 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
211
212         PR c/18715
213         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
214         value is inbetween the range if we did not find an exact match.
215
216 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
217
218         * doc/invoke.texi (Option Summary): Add ms1 options.
219         * doc/extend.texi: Document interrupt handler attribute for ms1.
220         * doc/md.texi: Document ms1 constraints.
221         * config.gcc: Add ms1-*-elf.
222         * config/ms1/ms1.h: New.
223         * config/ms1/ms1.c: New.
224         * config/ms1/ms1.md: New.
225         * config/ms1/ms1-protos.h: New.
226         * config/ms1/ABI.txt: New.
227         * config/ms1/crti.asm: New.
228         * config/ms1/crtn.asm: New.
229         * config/ms1/lib2extra-funcs.c: New.
230         * config/ms1/t-ms1: New.
231         * config/ms1/ms1.opt: New.
232
233 2005-08-22 Ira Rosen <irar@il.ibm.com>
234
235         * config/rs6000/altivec.md (xorv4sf3): New.
236         (negv4sf2, neg<mode>2): Likewise.
237
238 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
239
240         PR target/23485
241         * config/ia64/ia64.md (divsi3): Check divide by zero.
242         (udivsi3): Likewise.
243         (divdi3): Likewise.
244         (udivdi3): Likewise.
245
246 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
247
248         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
249         up to elem_bitsize bits, not max_bitsize.
250
251 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
252
253         PR tree-optimization/23433
254         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
255         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
256
257 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
258
259         PR tree-optimization/23434
260         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
261         the iteration bound is not an INTEGER_CST.
262
263 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
264
265         * tree-vect-transform.c (get_initial_def_for_reduction): Set
266         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
267         NULL if need_epilog_adjust is false.
268         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
269         Case 3 always peels first itration, not just for PLUS case, and no need
270         to use scalar_initial_def here. Create an epilog adjustment only if
271         scalar_initial_def is not NULL.
272
273         (vectorizable_reduction): Remove assert. 
274
275 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
276
277         PR target/23485
278         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
279         (__moddi3): Likewise.
280         (__udivdi3): Likewise.
281         (__umoddi3): Likewise.
282         (__divsi3): Likewise.
283         (__modsi3): Likewise.
284         (__udivsi3): Likewise.
285         (__umodsi3): Likewise.
286
287 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
288
289         * tree-pass.h (TDF_GRAPH): Define.
290         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
291         * passes.c (finish_optimization_passes): Only call
292         finish_graph_dump_file if TDF_GRAPH is set.
293         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
294         NULL.  Set TDF_GRAPH bit.
295         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
296
297 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
298
299         * arm.h (arm_stack_offsets): Add locals_base field.
300         * arm.c (arm_get_frame_offsets): Compute it.
301         (thumb_compute_initial_elimination offset): Make the Thumb frame
302         pointer point to the base of the local variables.
303         (thumb_expand_prologue): Update accordingly.
304         (thumb_expand_epilogue): Likewise.
305
306         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
307         mode of clobbered scratch to DImode.  Handle a case that's known to
308         need this.
309
310 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
311
312         * config/rs6000/rs6000.md (gt0<mode>): Delete.
313         (gt0<mode>_compare): Delete.
314         (neg_gt0<mode>): Delete.
315
316 2005-08-19  Eric Christopher  <echristo@apple.com>
317
318         * optabs.h: Change CTI_ to COI_.
319         * optabs.c: Ditto.
320
321 2005-08-19  James E Wilson  <wilson@specifix.com>
322
323         * builtins.c (expand_builtin_return_addr): Set
324         current_function_accesses_prior_frames when count != 0.  Use
325         frame_pointer_rtx when count == 0.
326         * function.h (struct function): Add accesses_prior_frames field.
327         (current_function_accesses_prior_frames): Define.
328         * reload1.c (init_elim_table): Check
329         current_function_accesses_prior_frames.
330         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
331
332 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
333
334         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
335         indicator.  Return true if the flowgraph changed during
336         cleanup.
337
338 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
339
340         PR 23476
341         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
342         conditional expression before testing its value.
343
344 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
345
346         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
347
348 2005-08-19  Devang Patel  <dpatel@apple.com>
349
350         PR tree-optimization/23048
351         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
352         third parameter. Check whether latch is dominated by exit
353         block or not.
354         (if_convertible_loop_p): Supply exit block itself to
355         if_convertible_bb_p.
356
357 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
358
359         PR target/23473
360         * arm.md (arm_load_pic_register): Change argument to the mask of
361         saved registers.  Call thumb_find_work_register if we need a
362         scratch register on Thumb.
363         (arm_expand_prologue): Pass empty register set to
364         arm_load_pic_register.
365         (thumb_expand_prologue): Pass live_regs_mask directly to
366         arm_load_pic_register.
367         * arm-protos.h (arm_load_pic_register): Update prototype.
368
369 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
370
371         * sh.c (find_sole_member): New function.
372         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
373         if the record's alignment is larger than the size of its only member.
374
375 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
376
377         PR target/23436
378         * arm.c (thumb_legitimize_reload_address): New function.
379         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
380         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
381
382 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
383
384         * config/crx/crx.c: Implement crx_decompose_address. Reject
385         symbolic displacements since CRX register relative adressing
386         mode can't handle unsigned 32-bit values as displacements.
387         * config/crx/crx.h: Simplify definitions, remove redundant
388         parenthesis and obsolete macros.
389         * config/crx/crx.opt: Add new switch for debugging addresses.
390         * config/crx/crx-protos.h: Add new declarations for above.
391
392 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
393
394         PR middle-end/20624
395         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
396         looking past it.
397
398 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
399
400         * collect2.c (dup2): Delete.
401         * configure.ac: Don't check for dup2.
402
403         * config.in, configure: Regenerate.
404
405 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
406
407         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
408         record with the type of its only member.
409
410 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
411
412         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
413         define_insn_and_split.
414         (plus_ltu<mode>_compare): Same.
415         (gtu<mode>_compare): Same.
416         (plus_gtu<mode>_compare): Same.
417
418 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
419
420         PR tree-optimization/22228
421         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
422         todo_flags_start.
423         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
424         are recorded in vect_vnames_to_rename for renaming.
425         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
426         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
427         in vect_vnames_to_rename.
428         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
429         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
430
431 2005-08-18  Jan Hubicka  <jh@suse.cz>
432
433         PR c++/22034
434         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
435         info only for local statics, not for member variables.
436
437 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
438
439         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
440
441 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
442
443         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
444
445 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
446
447         PR middle-end/16045
448         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
449
450 2005-08-17  James E Wilson  <wilson@specifix.com>
451
452         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
453         array size check.
454
455 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
456
457         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
458         (leu<mode>_compare): Same.
459         (plus_leu<mode>): Same.
460         (neg_leu<mode>): Same.
461         (and_neg_leu<mode): Same.
462         (ltu<mode>_compare): Same.
463         (plus_ltu<mode>): Same.
464         (geu<mode>): Same.
465         (geu<mode>_compare): Same.
466         (plus_geu<mode>): Same.
467         (neg_geu<mode>): Same.
468         (and_neg_geu<mode>): Same.
469         (plus_gt<mode>): Same.
470         (gtu<mode>_compare): Same.
471         (plus_gtu<mode>): Same.
472
473 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
474
475         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
476         Move call_table_data to end.  Delete spurious .text.
477         (callt_save_all_interrupt): Fix comment typo.
478
479 2005-08-17  James E Wilson  <wilson@specifix.com>
480             Kevin Winchester  <winchester@amirix.com>
481
482         PR target/21684
483         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
484
485 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
486
487         PR target/23268
488         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
489         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
490
491 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
492
493         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
494         record with the type of its only member if the modes don't match.
495
496         * varasm.c (decode_reg_name): Skip empty additional register names.
497
498 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
499
500         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
501         lsm_tmp_name_length): New.
502         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
503         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
504
505 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
506             Andreas Krebbel  <krebbel1@de.ibm.com>
507
508         * config.gcc: Added z9-109 switch.
509         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
510         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
511         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
512         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
513         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
514         for "z9_109" cpu attribute.
515         * config/s390/s390.c (z9_109_cost): New processor cost structure.
516         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
517         (s390_handle_arch_option): Added z9-109 switch.
518         (override_options): Set respective cost function for z9-109.
519         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
520         (legitimate_reload_constant_p): Accept extended immediates.
521         (print_operand): Three new output modifiers added: k, m and o.
522         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
523         (s390_output_mi_thunk): Use extended immediate when possible.
524         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
525         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
526         (CONSTRAINT_LEN): Added length of O constraint.
527         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
528         * config/s390/s390.md ("cpu"): New value z9_109 added.
529         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
530         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
531         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
532         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
533         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
534         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
535         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
536         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
537         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
538         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
539         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
540         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
541         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
542         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
543         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
544         immediates.
545         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
546         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
547         insns for TARGET_EXTIMM.
548
549 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
550
551         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
552
553 2005-08-17  Nick Clifton  <nickc@redhat.com>
554
555         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
556         Call default_encode_section_info.
557
558 2005-08-17  Steven Bosscher  <stevenb@suse.de>
559
560         PR tree-optimization/21574
561         * tree-ssa-ccp.c (likely_value): If the right hand side is a
562         constant, return CONSTANT.
563         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
564         (ccp_fold, visit_assignment): Likewise.
565         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
566
567 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
568
569         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
570         fold_buildN instead of buildN then fold_initializer or fold.
571         (build_unary_op): Likewise.
572         (build_binary_op): Likewise.
573         * fold-const.c (fold_initializer): Remove.
574         (fold_build1_initializer): New function.
575         (fold_build2_initializer): New function.
576         (fold_build3_initializer): New function.
577         * tree.h (fold_initializer): Remove.
578         (fold_build1_initializer): New function.
579         (fold_build2_initializer): New function.
580         (fold_build3_initializer): New function.
581
582 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
583
584         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
585         (try_move_mult_to_index): Call fold_build2 instead of build2.
586         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
587         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
588         fold_binary_to_constant.
589         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
590         fold (build.
591         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
592         check if A == gcd (A, B).  Remove TYPE argument.
593         (analyze_offset) Use fold_build2 instead of fold (build.
594         (create_data_ref): Likewise.
595         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
596         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
597         then fold.
598
599 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
600
601         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
602         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
603
604 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
605
606         PR tree-opt/23402
607         * gimplify.c (zero_sized_type): New function.
608         (gimplify_modify_expr_rhs): If we have a zero sized type,
609         replace the statement with an empty statement.
610
611 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
612
613         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
614         fxsave.
615
616 2005-08-16  Ian Lance Taylor  <ian@airs.com>
617
618         * doc/tm.texi (Label Output): Correct typo.
619
620 2005-08-16  Steven Bosscher  <stevenb@suse.de>
621
622         PR target/23376
623         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
624         force_operand will work later on using have_insn_for.
625
626 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
627
628         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
629
630 2005-08-16  Ian Lance Taylor  <ian@airs.com>
631
632         PR c++/23337
633         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
634         vector type, don't try to construct it element by element.  Add an
635         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
636
637 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
638
639         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
640
641 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
642
643         * doc/invoke.texi (Precompiled Headers): Document some more options
644         which are known to be safe.
645
646 2005-08-16  James E Wilson  <wilson@specifix.com>
647
648         PR tree-optimization/21105
649         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
650         TREE_OVERFLOW check.
651
652 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
653
654         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
655         (neg_ltu<mode>): Same.
656         (gtu<mode>): Same.
657         (neg_gtu<mode>): Same.
658
659 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
660
661         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
662         (fold_builtin_isdigit): Use fold_buildN.
663         (build_function_call_expr): Likewise.
664         * c-typeck.c (c_finish_loop): Likewise.
665
666 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
667             Richard Shann <rshann@superh.com>
668
669         PR middle-end/20396:
670         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
671
672 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
673
674         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
675
676 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
677
678         PR target/23355
679         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
680         arm_compure_save_reg0_reg12_mask to determine when the PIC register
681         must be saved.
682
683 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
684
685         PR middle-end/23369
686         * fold-const.c (build_range_check): Disable optimization for function
687         pointer expressions on targets that require function pointer
688         canonicalization.
689
690 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
691
692         * simplify-rtx.c (simplify_const_relational_operation): When
693         extracting arguments of a COMPARE, recompute the mode as well.
694
695 2005-08-15  Ian Lance Taylor  <ian@airs.com>
696
697         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
698
699 2005-08-15  DJ Delorie  <dj@redhat.com>
700
701         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
702         the stack.
703         (movsi_splittable): Allow, but split, moves to the stack.
704         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
705         stack.
706
707 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
708
709         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
710         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
711         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
712
713         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
714         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
715         Delete HOST_PTR_PRINTF.
716
717         * configure, config.in: Regenerate.
718
719 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
720
721         * config/rs6000/rs6000.md (QHSI): New mode macro.
722         (wd): Extend mode attr for QImode and HImode
723         (dbits): New mode attr.
724         (zero_extend<mode>di2): Convert to mode macro.
725
726 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
727
728         PR target/21841
729         * doc/invoke.texi (-mgnu-ld): Update description.
730         (-mhp-ld): Ditto.
731
732 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
733
734         PR 23391
735         * Makefile.in (tree-chrec.o): Depends on real.h.
736         * tree-chrec.c: Include real.h.
737         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
738         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
739         * tree-scalar-evolution.c (add_to_evolution_1,
740         interpret_rhs_modify_expr): Ditto.
741
742 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
743
744         PR 23386
745         * tree-data-ref.c (estimate_niter_from_size_of_data): When
746         step is negative compute the estimation from init downwards to zero.
747
748 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
749
750         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
751
752 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
753
754         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
755         constraint.
756         (legitimate_reload_constant_p): Fix handling of lliXX operands.
757         Accept double-word constants that can be split.
758         * config/s390/s390.md ("movti"): Use 'P' constraint.
759         ("*movdi_31", "*movdf_31"): Likewise.
760
761 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
762
763         Fix PR tree-optimization/22615
764
765         * tree-ssa-structalias.c (solution_set_add): Handle
766         first_vi_for_offset returning NULL.
767         (do_da_constraint): Ditto.
768         (do_sd_constraint): Ditto.
769         (do_ds_constraint): Ditto
770         (find_func_aliases): Ditto.
771         (build_constraint_graph): RHS is allowed be ANYTHING.
772         (first_vi_for_offset): Return NULL if we couldn't find anything at
773         the offset.
774
775 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
776
777         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
778         over memory as first operand.
779
780 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
781
782         PR target/23360
783         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
784         available for setting it.
785
786 2005-08-14  Ira Rosen  <irar@il.ibm.com>
787
788         PR tree-optimization/23320
789         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
790         data-refs' types instead of base object nullness. Add check for
791         pointer type data-refs before first location comparison. Remove
792         assert.
793
794 2005-08-14  Andreas Schwab  <schwab@suse.de>
795
796         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
797
798 2005-08-13  James E Wilson  <wilson@specifix.com>
799
800         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
801         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
802         -fstack-protector-all, --param ssp-buffer-size): Document.
803         (-Wvariadic-macros): Alphabetize.
804         (-fsched-stalled-insns-dep): Add missing 'f'.
805
806         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
807         macros.
808
809 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
810
811         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
812         or indirect address operand.
813         (EXTRA_ADDRESS_CONSTRAINT): New.
814         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
815
816 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
817
818         PR tree-optimization/22236
819         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
820         successors and predecessors.
821         * tree-chrec.c (chrec_convert): Before converting, check that
822         sequences don't wrap.
823         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
824         (analyze_array): Extern.
825         (find_data_references_in_loop): Remove call to
826         compute_estimated_nb_iterations.
827         * tree-data-ref.h (analyze_array): Declared.
828         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
829         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
830         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
831         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
832         condition.
833         * tree-ssa-loop-ivcanon.c: Fix documentation.
834         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
835         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
836         (infer_loop_bounds_from_undefined): New.
837         (estimate_numbers_of_iterations_loop): Use
838         infer_loop_bounds_from_undefined.
839         (used_in_pointer_arithmetic_p): New.
840         (scev_probably_wraps_p): Pass an extra parameter.  Call
841         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
842         (convert_step): Fix documentation.
843         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
844         Use initial_condition_in_loop_num and evolution_part_in_loop_num
845         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
846         scev_probably_wraps_p.
847
848 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
849
850         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
851         (s390_register_info): Ignore clobbered_regs information for fixed
852         registers, and only fixed registers.
853         (s390_init_frame_layout): Remove redundant call.
854
855 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
856
857         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
858         description of -Wold-style-casts.
859
860 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
861             Jakub Jelinek  <jakub@redhat.com>
862
863         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
864         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
865         * config/s390/s390.c (print_operand): New output modifier 'G' added.
866         (get_thread_pointer): Renamed to s390_get_thread_pointer.
867         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
868         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
869         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
870         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
871         ("stack_protect_set", "stack_protect_test"): New expanders.
872         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
873         "stack_protect_testdi"): New insn definitions.
874
875 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
876
877         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
878
879 2005-08-12  Paul Brook  <paul@codesourcery.com>
880
881         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
882
883 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
884
885         * config/s390/predicates.md (setmem_operand): New predicate.
886         (shift_count_operand): Accept ANDs with special constants as
887         operand.
888         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
889         with special constants.
890         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
891         shift_count_operand with setmem_operand.
892
893 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
894
895         * config/s390/s390.c (s390_extract_part, s390_single_part):
896         Type cast added.
897         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
898         (s390_output_mi_thunk): Don't use lg on 31 bit.
899         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
900         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
901
902 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
903
904         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
905         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
906         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
907         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
908         with one of the new macros.
909
910 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
911
912         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
913         Don't set save_return_addr_p.
914         (s390_register_info): Make clobbered_regs not depending on
915         save_return_addr_p.
916
917 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
918
919         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
920         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
921
922 2005-08-11  James E. Wilson  <wilson@specifix.com>
923
924         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
925
926 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
927
928         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
929         locations gathered by var-tracking in single entry loc_list
930         over loc_descriptor_from_tree.
931
932         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
933         pass it down to loc_descriptor.
934         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
935         (containing_function_has_frame_base): Move earlier in the file.
936         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
937         instead of always assuming fbreg can't be used.
938
939 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
940
941         * config/rs6000/altivec.md: Change constraint "m" to "Z".
942         * config/rs6000/predicates.md (indexed_or_indirect_operand):
943         Accept address wrapped in AND for Altivec.
944         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
945         Strip AND wrapping offset address for Altivec.
946
947 2005-08-11  Richard Henderson  <rth@redhat.com>
948
949         PR middle-end/23312
950         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
951         before using TYPE_IS_SIZETYPE.
952
953 2005-08-11  Richard Henderson  <rth@redhat.com>
954
955         PR target/22225
956         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
957         insn types not present on ev4.
958         (alphaev5_insn_pipe): Similarly.
959
960 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
961
962         PR target/23250
963         * arm.c (arm_override_options): If the user has selected callee-super-
964         interworking, then enable normal interworking.
965
966 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
967
968         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
969         redefinition.
970
971 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
972
973         * doc/rtl.texi: Fix two typos.
974
975 2005-08-11  Richard Guenther  <rguenther@suse.de>
976
977         PR target/23289
978         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
979         cases where we call to/from functions returning void.
980
981 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
982
983         PR c++/23225
984         * tree.c (build_pointer_type_for_mode): Robustify.
985
986 2005-08-10  James E Wilson  <wilson@specifix.com>
987
988         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
989         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
990
991         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
992         "cum->".
993
994 2005-08-10  Eric Christopher  <echristo@apple.com>
995
996         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
997         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
998         V2DFmode.
999
1000 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
1001
1002         PR target/21887
1003         * config/darwin.c (machopic_indirect_data_reference): Use a new register
1004         for the high part when generating dynamic-no-pic code.
1005
1006 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1007
1008         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1009         (x86_64-*-linux*): Likewise.
1010
1011         * config/i386/crtfastmath.c: New file.
1012         * config/i386/t-crtfm: Likewise.
1013
1014         * config/i386/linux.h (ENDFILE_SPEC): New.
1015         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1016
1017         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1018         crtfastmath.o.
1019
1020 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
1021
1022         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1023         (vec_shl, vec_shr): Document new operations.
1024         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1025
1026 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
1027
1028         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1029         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1030         change predicate to indexed_or_indirect_address.
1031
1032 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1033
1034         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1035         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1036         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1037         and __aeabi_uwrite8.
1038         * config/arm/unaligned-funcs.c: New file.
1039         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1040
1041 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1042
1043         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1044         Add dump.
1045         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1046         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1047         Add dump.
1048         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1049         * final.c (pass_shorten_branches): Add dump.
1050         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1051         (pass_life): Rename dump.
1052         (rest_of_handle_flow2): Remove initial verify_flow_info.
1053         * function.c (pass_instantiate_virtual_regs): Add dump.
1054         * integrate.c (pass_initial_value_sets): Add dump.
1055         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1056         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1057         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1058         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1059         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1060         gate_rtl_unrool_and_peel_loops): New.
1061         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1062         rtl_doloop): Do not look at flags.
1063         * mode-switching.c (pass_mode_switching): Add dump.
1064         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1065         pass_split_before_regstack): Add dump.
1066         * regmove.c (pass_stack_adjustments): Add dump.
1067         * tree-optimize.c (pass_fixup_cfg): Add dump.
1068
1069 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1070
1071         PR 23309
1072         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1073         deciding which instruction sequence to use.
1074
1075 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1076
1077         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1078         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1079
1080 2005-08-09  Richard Guenther  <rguenther@suse.de>
1081
1082         * c-common.c (builtin_function_2): Remove.
1083         (def_builtin_1): New function.
1084         (c_common_nodes_and_builtins): Use def_builtin_1 to
1085         build builtin functions.
1086
1087 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1088
1089         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1090         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1091         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1092         Visual DSP.
1093
1094 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1095
1096         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1097         fold_binary instead of fold_build2 since we don't care about the
1098         resulting tree.
1099         (loop_niter_by_eval): Likewise.
1100         (compare_trees): Likewise.
1101         (proved_non_wrapping_p): Likewise.
1102
1103 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1104
1105         PR c/23161
1106         PR c/23165
1107         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1108         if the if is really empty.
1109
1110 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1111
1112         PR tree-optimization/23234
1113         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1114         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1115         argument of the new enum.
1116         (execute_cse_reciprocals): Add reciprocals for function arguments
1117         on the unique successor edge of the entry block.  Update other calls
1118         to execute_cse_reciprocals_1.
1119
1120 2005-08-08  Richard Henderson  <rth@redhat.com>
1121
1122         PR 22439
1123         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1124
1125 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1126
1127         * expr.c (write_complex_part): Return after handling MEM.
1128
1129 2005-08-08  Josh Conner  <jconner@apple.com>
1130
1131         PR rtl-optimization/23241
1132         * combine.c (simplify_comparison): Fix error in determining
1133         whether to lift a subreg from comparison.
1134
1135 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
1136
1137         PR target/18506
1138         * config/rs6000/altivec.md (vec_init<mode>): New.
1139         (vec_set<mode>): New.
1140         (vec_extract<mode>): New.
1141         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1142         (rs6000_expand_vector_set): New.
1143         (rs6000_expand_vector_extract): New.
1144         (rs6000_legitimate_offset_address_p): Offset addresses are valid
1145         for Altivec modes before reload.
1146         (altivec_expand_vec_init_builtin): New.
1147         (get_element_number): New.
1148         (altivec_expand_vec_set_builtin): New.
1149         (altivec_expand_vec_ext_builtin): New.
1150         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1151         builtins.
1152         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1153         builtins.
1154         * config/rs6000/rs6000.h (rs6000_builtins): Add
1155         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1156         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1157         * config/rs6000/rs6000-protos.h: Declare new functions.
1158
1159 2005-08-08  Jan Hubicka  <jh@suse.cz>
1160
1161         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1162         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1163         * i386.md (movdi*): Use pic_32bit_operand.
1164         * predicates.md (pic_32bit_operand): New.
1165
1166 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
1167
1168         PR c++/21166
1169         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1170
1171 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
1172
1173         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1174         (test_for_singularity): Use fold_build2.
1175
1176 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1177
1178         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1179
1180 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
1181
1182         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1183         (COMMON_ASM_OP) Define.
1184         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1185         (ix86_encode_section_info): Likewise.
1186         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1187         SUBTARGET_ENCODE_SECTION_INFO.
1188
1189 2005-08-06  Richard Henderson  <rth@redhat.com>
1190
1191         PR 21894
1192         * tree-nested.c (convert_local_reference): Save and restore val_only
1193         around component_ref and friends.  Clear walk_subtrees by default.
1194
1195 2005-08-06  Peter O'Gorman  <peter@pogma.com>
1196
1197         PR 21366
1198         * gcc.c (process_command): Check the argument to -b has a dash.
1199         * doc/invoke.texi: Update -b and -V docs.
1200
1201 2005-08-06  James E Wilson  <wilson@specifix.com>
1202
1203         * config/mips/cross64.h, config/mips/t-cross64: Delete.
1204
1205 2005-08-06  Michael Matz  <matz@suse.de>
1206
1207         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1208         member only if only one insn is associated with the value.
1209
1210 2005-08-06  Nick Clifton  <nickc@redhat.com>
1211
1212         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1213         New define.
1214         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1215         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1216         Check symbol flags instead of symbol name mangling.
1217         (xstormy16_asm_output_aligned_common): Likewise.  Also
1218         simplify code since the bss100_section cass is the only case
1219         where the below100 code will be triggered.
1220         (xstormy16_encode_section_info): Encode below100 attribute
1221         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1222         the name.
1223         (xstormy16_strip_name_encoding): Delete - this function is no
1224         longer needed.
1225         (TARGET_STRIP_NAME_ENCODING): Undefine.
1226         * config/stormy16/stormy16-protos.h: Delete prototype for
1227         xstormy16_strip_name_encoding.
1228
1229 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
1230
1231         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1232         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1233         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1234         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1235         config/alpha/predicates.md, config/arc/arc.h,
1236         config/arm/arm.h, config/arm/ieee754-df.S,
1237         config/arm/ieee754-sf.S, config/bfin/bfin.c,
1238         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1239         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1240         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1241         config/m68hc11/m68hc11.h, config/mips/mips.c,
1242         config/mips/mips.h, config/mips/openbsd.h,
1243         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1244         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1245         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1246         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1247         config/sparc/linux.h, config/sparc/linux64.h,
1248         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1249         doc/extend.texi, doc/gcov.texi, doc/install.texi,
1250         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1251         typos.  Follow spelling conventions.
1252
1253 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
1254
1255         PR c/23113
1256         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1257         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1258         specially.  Check for side effects only for COND_EXPR.
1259         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1260         return with TREE_NO_WARNING.
1261
1262 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
1263
1264         PR rtl-optimization/23233
1265         * loop.c (combine_movables): Require the modes to be the same.
1266         (move_movables): Remove handling of cases where the replacement
1267         had a different mode to the original.
1268
1269 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
1270
1271         PR tree-optimization/23128
1272         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1273         subtraction wrap, and set TREE_OVERFLOW if they do.
1274
1275 2005-08-05  Richard Henderson  <rth@redhat.com>
1276
1277         PR 21728
1278         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1279         FORCED_LABEL labels.
1280
1281 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
1282
1283         PR middle-end/23135
1284         * reload.c (find_reloads_subreg_address): Pass down TYPE
1285         unchanged.  Change all callers except find_reloads_toplev.
1286
1287 2005-08-05  Michael Matz  <matz@suse.de>
1288
1289         * genattrtab.c (current_alternative_string): Remove.
1290         (SIMPLIFY_ALTERNATIVE): Ditto.
1291         (attr_alt_bit_p): Ditto.
1292         (alternative_name): Make const char *.
1293         (evaluate_eq_attr): Remove use of above things.
1294         (simplify_test_exp): Ditto.
1295         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1296         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1297
1298 2005-08-04  James E Wilson  <wilson@specifix.com>
1299
1300         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1301         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1302         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1303         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1304         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1305
1306 2005-08-04  Richard Henderson  <rth@redhat.com>
1307
1308         PR 21529
1309         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1310         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1311         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
1312         if we'd have to instantiate too many members.
1313
1314 2005-08-04  Richard Henderson  <rth@redhat.com>
1315
1316         PR 21291
1317         * tree-outof-ssa.c (coalesce_asm_operands): New.
1318         (coalesce_ssa_name): Use it.  Split out ...
1319         (coalesce_phi_operands, coalesce_result_decls): ... these.
1320
1321 2005-08-04  Paul Brook  <paul@codesourcery.com>
1322
1323         * read-rtl.c (read_quoted_string): Break if EOF.
1324
1325 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
1326
1327         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1328         (fold_build2): Likewise.
1329         (fold_build3): Likewise.
1330         (fold_build1_stat): New function prototype.
1331         (fold_build2_stat): Likewise.
1332         (fold_build3_stat): Likewise.
1333         * fold-const.c (fold_build1): Rename to ..
1334         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1335         through to build1_stat.
1336         (fold_build2): Rename to ..
1337         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1338         through to build2_stat.
1339         (fold_build3): Rename to ..
1340         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1341         through to build3_stat.
1342
1343 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
1344             Ian Lance Taylor  <ian@airs.com>
1345
1346         * function.c (assign_stack_local_1): Do not correct stack slot
1347         address if allocation size is smaller than mode size.
1348
1349 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
1350
1351         PR 22037
1352         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1353         (tree_merge_blocks): Propagate anything allowed by
1354         may_propagate_copy.
1355         Clarify documentation.
1356         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1357         SSA form, schedule an update if necessary.
1358
1359 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
1360
1361         * doc/install.texi (Binaries): Remove broken link to
1362         Sinix/Reliant Unix binaries.
1363
1364 2005-08-03  Richard Henderson  <rth@redhat.com>
1365
1366         PR 23221
1367         * function.c (stack_protect_epilogue): Export.
1368         * tree.h (stack_protect_epilogue): Declare.
1369         * calls.c (expand_call): Call it.
1370
1371 2005-08-03  Eric Christopher  <echristo@apple.com>
1372
1373         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1374         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1375         spec.
1376
1377 2005-08-04  Jan Hubicka  <jh@suse.cz>
1378
1379         * profile.c (branch_prob): Split edges with goto locus on them
1380         to get proper line counts.
1381         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1382
1383 2005-08-03  Paul Brook  <paul@codesourcery.com>
1384
1385         * function.c (assign_parms): Round current_function_args_size
1386         to PARM_BOUNDARY, not STACK_BOUNDARY.
1387
1388 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
1389
1390         * config/i386/i386.c (x86_elf_aligned_common)
1391         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1392
1393 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
1394
1395         PR tree-optimization/23157
1396         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1397         before emitting them.
1398
1399 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1400
1401         PR tree-optimization/19899
1402         * Makefile.in (tree-scalar-evolution.o): Add real.h.
1403         * tree-scalar-evolution.c: Include real.h.
1404         (add_to_evolution): Build constant -1 of correct type.
1405
1406 2005-08-03  Jan Hubicka  <jh@suse.cz>
1407
1408         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1409         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1410         profile updating for complette unrolling.
1411         * loop-unroll.c (peel_loop_completely): Use it.
1412         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1413         (tree_unroll_loops_completely): Disable code growing unrolling of cold
1414         loops.
1415
1416 2005-08-03  Paul Brook  <paul@codesourcery.com>
1417
1418         * combine.c (can_change_dest_mode): New function.
1419         (try_combine, simplify_set): Use it.
1420
1421 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
1422
1423         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1424         TFmode to BLKmode.
1425
1426 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
1427
1428         * doc/install.texi (Specific): Adjust link to openavr.org.
1429         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1430         (Binaries): Adjust HP-UX Porting Center link.
1431         (Binaries): Adjust Free Software Foundation ordering link.
1432
1433 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
1434
1435         * convert.c (convert_to_integer): Use fold_build1 instead of
1436         build1 when converting an integer to an integer.
1437
1438 2005-08-02  Richard Henderson  <rth@redhat.com>
1439
1440         * combine.c (combine_instructions): Don't use reg_equal/equiv
1441         results if the mode doesn't match.
1442
1443 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
1444
1445         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1446         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1447
1448 2005-08-02  Richard Henderson  <rth@redhat.com>
1449
1450         PR 23196
1451         * explow.c (memory_address): Remove special-case for
1452         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1453
1454 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
1455
1456         PR 23164
1457         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1458         number of calls to cleanup_tree_cfg_1.
1459
1460 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
1461
1462         * doc/invoke.texi: document file extensions .F90 and .F95
1463
1464 2005-08-02  Richard Guenther  <rguenther@suse.de>
1465
1466         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1467         positive if its first argument is positive.
1468
1469 2005-08-02  Richard Guenther  <rguenther@suse.de>
1470
1471         PR tree-optimization/23177
1472         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1473         on TMR_TAG.
1474
1475 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
1476
1477         PR tree-optimization/23129
1478         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1479         varying for divisions with anti-ranges.
1480
1481 2005-08-02  Jan Hubicka  <jh@suse.cz>
1482
1483         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1484         * tree-ssa-threadupdate.c (thread_block): Add it here.
1485
1486 2005-08-01  James E Wilson  <wilson@specifix.com>
1487
1488         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1489         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1490         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1491         New.
1492         * config/mips/predicates.md (const_call_insn_operand): Add check for
1493         SYMBOL_REF_LONG_CALL_P.
1494         * doc/extend.texi (long_call): Document the new attribute.
1495
1496 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1497             Richard Henderson  <rth@redhat.com>
1498
1499         * Makefile.in (RTL_BASE_H): Add real.h.
1500         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1501         instead of memcpy.
1502         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1503         directly.
1504         * rtl.c (rtl_check_failed_code_mode): New.
1505         * rtl.h (struct rtx_def): Add u.rv.
1506         (XCMWINT, XCNMPRV): New.
1507         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1508         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1509
1510 2005-08-01  Richard Henderson  <rth@redhat.com>
1511
1512         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1513         with auto-inc codes.
1514
1515         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1516
1517 2005-08-01  Jan Hubicka  <jh@suse.cz>
1518
1519         * i386-protos.h (asm_preferred_eh_data_format): Declare.
1520         * i386.c: Include dwarf2.h
1521         (asm_preferred_eh_data_format): New.
1522         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1523
1524 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1525
1526         * config/host-linux.c (linux_gt_pch_get_address): Add new name
1527         randomize_va_space for virtual address randomization control.
1528
1529 2005-08-01  Steven Bosscher  <stevenb@suse.de>
1530
1531         * common.opt (flag_ipa_cp): Put in right place to maintain
1532         alphabetic sort.
1533
1534 2005-08-01  Jan Hubicka  <jh@suse.cz>
1535
1536         * profile.c (compute_value_histograms): Fix thinko.
1537         * value-prof.c: Include toplev.h
1538         (check_counter): New function.
1539         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1540         tree_mod_subtract_transform): Add sanity check.
1541
1542 2005-08-01  Richard Guenther  <rguenther@suse.de>
1543
1544         PR tree-optimization/23133
1545         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1546         current functions parameter decls to find defs to cse
1547         reciprocals of.
1548
1549 2005-08-01  Richard Guenther  <rguenther@suse.de>
1550
1551         PR tree-optimization/23109
1552         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1553         If trapping math is in effect, use post-dominator information
1554         to check if we'd in any case reach a trapping point before
1555         doing the reciprocal insertion.
1556         (execute_cse_reciprocals): Compute post-dominators, if necessary.
1557         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1558         expressions are invariant only if trapping math is not in effect.
1559
1560 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1561
1562         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1563         cgraph_function_versioning): New declarations.
1564         * cgraphunit.c: Add include to ipa-prop.h.
1565         (update_call_expr, cgraph_copy_node_for_versioning,
1566         cgraph_function_versioning): New functions.
1567         * integrate.c (copy_decl_for_inlining): Remove.
1568         * ipa-prop.h (ipa_replace_map): New struct.
1569         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1570         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1571         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1572         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1573         ipcp_iterate_stage, ipcp_method_scale_print,
1574         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1575         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1576         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1577         ipcp_update_bb_counts, ipcp_update_profiling,
1578         ipcp_update_edges_counts): New functions.
1579         (ipcp_method_cval_init): Remove restriction regarding local methods.
1580         (ipcp_init_stage): Add ipcp_method_compute_scale.
1581         (ipcp_insert_stage): Add versioning.
1582         (ipcp_structures_print): Add ipcp_method_scale_print.
1583         (ipcp_driver): Dump profiling info.
1584         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1585         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1586         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1587         (struct inline_data): Add versioning_p, ipa_info, new fields.
1588         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1589         declare_return_variable): Replace calls to copy_decl_for_inlining with
1590         copy_decl_for_dup.
1591         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1592         versioning support.
1593         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1594         Add argument VERSIONING.
1595         (copy_arguments_for_versioning, copy_static_chain,
1596         function_versionable_p, tree_versionable_function_p,
1597         tree_function_versioning, replace_ref_tree): New functions.
1598         * tree-inline.h: Include varray.h.
1599         (tree_versionable_function_p,  tree_function_versioning,
1600         tree copy_decl_for_dup): New declarations.
1601
1602 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1603
1604         * ipa-cp.c: New file. Contains IPCP specific functionality.
1605         * ipa-prop.h: New file. Contains structures/definitions that can be
1606         used by several interprocedural data flow optimizations (and also IPCP).
1607         * ipa-prop.c: New file.
1608         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1609         * common.opt: Add ipa-cp flag.
1610         * timevar.def: Add IPCP optimization.
1611         * tree-optimize.c (init_tree_optimization_passes): Schedule
1612         pass_ipa_cp.
1613         * tree-pass.h (pass_ipa_cp): Declare.
1614
1615 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
1616
1617         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1618         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1619         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1620         config/i386/i386.c, config/mips/mips.h,
1621         config/rs6000/rs6000.h, config/sh/sh.c,
1622         config/stormy16/stormy16.c: Fix comment typos.
1623
1624 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
1625
1626         PR c/22311
1627         * c-typeck.c (build_binary_op): Use common_type wrapper on
1628         shortened types.
1629         (common_type): Update comment.
1630
1631 2005-07-31  Steven Bosscher  <stevenb@suse.de>
1632
1633         PR target/23095
1634         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1635         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1636         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1637
1638 2005-07-31  Jan Hubicka  <jh@suse.cz>
1639
1640         * pretty-print.h (pp_widest_integer): New macro.
1641         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1642         counts.
1643
1644 2005-07-31  Jan Hubicka  <jh@suse.cz>
1645
1646         * output.h (enum section_category): Export from varasm.c
1647         (categorize_decl_for_section): Likewise.
1648         * varasm.c (enum section_category): Kill.
1649         (categorize_decl_for_section): Make global.
1650         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1651         Declare.
1652         * i386.c (ix86_section_threshold): New static variable.
1653         (ix86_in_large_data_p, ix86_encode_section_info,
1654         x86_64_elf_unique_section,
1655         x86_64_elf_select_section): New functions.
1656         (TARGET_ENCODE_SECTION_INFO): Define
1657         (override_options): Enable medium model for PIC.
1658         (ix86_expand_prologue): Expand gen_set_got_rex64.
1659         (legitimate_constant_p): Handle new UNSPECs.
1660         (legitimate_pic_address_disp_p): Likewise.
1661         (legitimize_pic_address): Lower MEDIUM model addressing.
1662         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1663         (enum cmodel): Add MEDIUM_PIC.
1664         (SYMBOL_REF_FAR_ADDR_P): New macro.
1665         (SYMBOL_FLAG_FAR_ADDR): New flag.
1666         * i386.md (movdi): Support medium model.
1667         (set_got_rex64): New pattern.
1668         * i386.opt (mlarge-data-threshold): New flag.
1669         * predicates.md (zext_operand/sext_operand): Deal with medium model.
1670         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1671         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1672         TARGET_ASM_UNIQUE_SECTION): New.
1673
1674         * invoke.texi (-mlarge_data_threshold): Document
1675
1676 2005-07-31  Jan Hubicka  <jh@suse.cz>
1677
1678         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1679         (coalesce_vars): Likewise.
1680         * tree-ssa-live.c (coalesce_cost): New.
1681         (build_tree_conflict_graph): Use coalesce_cost.
1682         * tree-ssa-live.h (coalesce_cost): Declare.
1683
1684 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1685
1686         * arm.md (all peepholes for post-increment operations): Delete.
1687         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1688         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1689         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1690         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1691         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1692
1693 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
1694
1695         * fold-const.c (tree_expr_nonnegative_p): Always return true for
1696         non-integral types.
1697
1698 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
1699
1700         PR target/22582
1701         * doc/invoke.texi: Document -rdynamic.
1702
1703 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
1704
1705         PR c/23143
1706         * c-parser.c (c_parser_parms_list_declarator): Call
1707         mark_forward_parm_decls.
1708         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1709         decls with visibility structure.
1710
1711 2005-07-30  Paul Brook  <paul@codesourcery.com>
1712
1713         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1714
1715 2005-07-30  Paul Brook  <paul@codesourcery.com>
1716
1717         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1718         prototype.
1719         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1720         value for mode.
1721         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1722
1723 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1724
1725         PR c/529
1726         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1727         nested function declarators.
1728         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1729         (grokparms): Call warn_if_shadowing for parameters used within the
1730         parameter list.
1731         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1732         not used within the parameter list.
1733         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1734
1735 2005-07-30  Jan Hubicka  <jh@suse.cz>
1736
1737         * expr.c (expand_expr_real_1): Do not load mem targets into register.
1738         * i386.c (ix86_fixup_binary_operands): Likewise.
1739         (ix86_expand_unary_operator): Likewise.
1740         (ix86_expand_fp_absneg_operator): Likewise.
1741         * optabs.c (expand_vec_cond_expr): Validate dest.
1742
1743 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1744
1745         PR c/21720
1746         * real.c (real_from_string): Also set last bit if there is a
1747         nonzero hex digit beyond GCC's internal precision after ".".
1748
1749 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
1750
1751         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1752         define_constants.  Change duplicate values to unassigned numbers.
1753         Change UNSPEC_SUBS to UNSPEC_VSUBS.
1754         (*altivec_vspltsf): New.
1755         (altivec_vperm_v4sf): Delete.
1756         (altivec_vperm_<mode>): Use mode macro V.
1757         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1758         (altivec_predicate_v4sf): Delete.
1759         (altivec_predicate_<mode>): Use mode macro V.
1760         (*altivec_lvesfx): New.
1761         (*altivec_stvesfx): New.
1762         (vec_realign_load_v4sf): Delete.
1763         (vec_realign_load_<mode>): Use mode macro V.
1764         * config/rs6000/rs6000.c (generate_set_vrsave): Use
1765         UNSPECV_SET_VRSAVE.
1766
1767 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
1768
1769         PR bootstrap/23131
1770         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1771         string.
1772         * configure: Regenerated.
1773
1774 2005-07-29  Paul Brook  <paul@codesourcery.com>
1775
1776         * doc/install.texi: Add link to GFortran binaries wiki page.
1777
1778 2005-07-29  David Ung  <davidu@mips.com>
1779
1780         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1781         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1782         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1783         * config/mips/mips.md (cpu): Add 5kf name.
1784         (includes): Includes 5k.md.
1785         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1786         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1787         -march flag.
1788
1789 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1790
1791         PR 22550
1792         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1793         (cleanup_tree_cfg): ... here.
1794         Call cleanup_tree_cfg_1 until there are no more cleanups to
1795         do.
1796
1797 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
1798
1799         * tree-vrp.c (compare_range_with_value): Return true or false
1800         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1801         EQ_EXPR respectively.
1802
1803 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
1804
1805         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1806         Fix comment typos.
1807
1808 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1809
1810         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1811         (tree_ssa_dominator_optimize): Increment it.
1812         (dump_dominator_optimization_stats): Print it.
1813
1814 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
1815             Steven Bosscher  <stevenb@suse.de>
1816
1817         PR rtl-optimization/23117
1818         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1819         when head == tail.  Tidy comment.
1820
1821 2005-07-28  Richard Henderson  <rth@redhat.com>
1822
1823         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1824         * cselib.c (rtx_equal_for_cselib_p): Likewise.
1825         * jump.c (rtx_renumbered_equal_p): Likewise.
1826         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1827         CONST_INT and CONST_DOUBLE.
1828         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1829         * reload.c (operands_match_p): Special case CONST_INT and
1830         CONST_DOUBLE; check mode earlier.
1831
1832 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1833
1834         PR c/22240
1835         * c-typeck.c (convert_for_assignment): Do not check
1836         DECL_IN_SYSTEM_HEADER on NULL fundecl.
1837
1838 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1839
1840         PR c/22192
1841         * c-typeck.c (composite_type): Prefer constant size arrays to
1842         VLAs.
1843
1844 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1845
1846         PR c/21720
1847         * real.c (real_from_string): Set last bit if there is a nonzero
1848         hex digit beyond GCC's internal precision.
1849
1850 2005-07-28  Richard Henderson  <rth@redhat.com>
1851
1852         PR rtl-opt/22619
1853         * cfgcleanup.c (try_forward_edges): Watch out for end of
1854         insn chain.
1855
1856 2005-07-28  James E Wilson  <wilson@specifixinc.com>
1857
1858         PR c/23106
1859         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1860
1861 2005-07-28  Jan Hubicka  <jh@suse.cz>
1862
1863         * Makefile.in (rtl-profile.o): Kill all traces of it.
1864         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1865         * coverage.h (rtl_coverage_counter_ref): Kill.
1866         * opts.c (flag_speculative_prefetching_set): Kill.
1867         (flag_loop_optimize_set): New.
1868         (common_handle_option): Disable loop optimizer when profiling;
1869         do not handle speculative prefetching.
1870         * passes.c (init_optimization_passes): Replace pass_profiling combo
1871         by branch_prob pass.
1872         * profile.c (compute_value_histograms): Update for simplified value
1873         profiles.
1874         (rtl_register_profile_hooks): Kill.
1875         (pass_profiling): Kill.
1876         (rest_of_handle_branch_prob): Do not profile.
1877         * toplev.c (process_options): Remove speculative prefetching.
1878         * toplev.h (flag_tree_based_profiling): Kill.
1879         * tree-profile.c (prepare_instrumented_value,
1880         tree_gen_interval_profiler, tree_gen_pow2_profiler,
1881         tree_gen_one_value_profiler, do_tree_profiling): Update for
1882         simplified datastructures.
1883         * value-prof.c: Add comment that speculative prefetching was dropped;
1884         update rest of file for simplified datastructures.
1885         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
1886         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
1887         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
1888         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
1889         rtl_mod_subtract, gen_speculative_prefetch,
1890         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
1891         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
1892         (gate_handle_value_profile_transformations,
1893         rest_of_handle_value_profile_transformations,
1894         pass_value_profile_transformations): Kill.
1895         * value-prof.h (histogram_value_t): Remove IL based unions.
1896         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
1897         rtl_profile_hooks): Remove hooks.
1898
1899         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
1900
1901         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
1902         (cgraph_clone_node): Likewise.
1903         * cgraph.h (cgraph_clone_edge): Update prototype.
1904         (cgraph_clone_node): Likewise.
1905         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1906         cgraph_clone_node.
1907         (lookup_recursive_calls): Consider profile.
1908         (cgraph_decide_recursive_inlining): Fix updating; use new
1909         probability argument; use profile.
1910         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
1911         * tree-inline.c (copy_bb): Update clal of clone_edge.
1912         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
1913
1914         * invoke.texi (min-inline-recursive-probability): Document.
1915
1916 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
1917
1918         * doc/install.texi (Configuration): Update Valgrind homepage.
1919
1920 2005-07-28  Richard Henderson  <rth@redhat.com>
1921
1922         PR middle-end/21362
1923         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
1924         labels we want to delete.
1925         (cfg_layout_merge_blocks): Likewise.
1926
1927 2005-07-28  Richard Henderson  <rth@redhat.com>
1928
1929         PR target/17692
1930         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
1931         when expanding to nothing.
1932
1933 2005-07-28  Josh Conner  <jconner@apple.com>
1934
1935         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
1936         (cgraph_decide_inlining_of_small_functions): Likewise.
1937
1938 2005-07-28  Josh Conner  <jconner@apple.com>
1939
1940         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
1941         direction of badness if negative.
1942         (cgraph_default_inline_p): Add reason to parameters, and assign it
1943         a value.
1944         (cgraph_decide_inlining_of_small_functions): New parameter in call
1945         to cgraph_default_inline_p.
1946         (cgraph_decide_inlining_incrementally): Likewise.
1947         * cgraphunit.c (decide_is_function_needed): Likewise.
1948         * cgraph.h (cgraph_default_inline_p): Likewise.
1949
1950 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1951
1952         * builtins.c: Fix comment typo(s).
1953         * genautomata.c: Likewise.
1954         * gimplify.c: Likewise.
1955         * tree-dfa.c: Likewise.
1956         * tree-flow-inline.h: Likewise.
1957         * tree-into-ssa.c: Likewise.
1958         * tree-ssa-alias.c: Likewise.
1959         * tree-ssa-ccp.c: Likewise.
1960         * tree-ssa-copy.c: Likewise.
1961         * tree-ssa-dce.c: Likewise.
1962         * tree-ssa-dom.c: Likewise.
1963         * tree-ssa-operands.c: Likewise.
1964         * tree-tailcall.c: Likewise.
1965         * tree-vectorizer.c: Likewise.
1966         * tree-vrp.c: Likewise.
1967         * tree.c: Likewise.
1968
1969 2005-07-28  Jeff Law  <law@redhat.com>
1970
1971         * tree-vrp.c (test_for_singularity): Extracted from  ...
1972         (simplify_cond_using_ranges): Attempt to simplify a relational
1973         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
1974
1975 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
1976
1977         PR tree-optimization/22506
1978         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
1979         phis whose argument is constant.
1980
1981 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
1982
1983         PR rtl-optimization/18992
1984         Back out this patch:
1985           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1986           PR optimization/12142
1987           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
1988           uses of the register in the SET_SRC.  Remove unnecessary argument.
1989
1990         Replace it with this:
1991         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
1992         if flag_non_call_exceptions is set and the insn may trap, pass
1993         pc_rtx as dest for recursion.
1994         In SET_SRC part of SET case, if dest is already set, pass it down
1995         unchanged.
1996
1997 2005-07-28  Jan Hubicka  <jh@suse.cz>
1998
1999         * cfg.c (update_bb_profile_for_threading): Use RDIV.
2000         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2001         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2002         roundoff errors.
2003         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2004         profile when available.
2005
2006 2005-07-28  Jan Beulich <jbeulich@novell.com>
2007
2008         * config/ia64/ia64.c (ia64_load_pair_ok): New.
2009         (ia64_print_operand): Describe and handle 'X'.
2010         (ia64_register_move_cost): Also handle FP_REGS.
2011         (ia64_preferred_reload_class): Likewise.
2012         (ia64_secondary_reload_class): Likewise.
2013         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2014         it. Also check for ITANIUM_CLASS_FLDP.
2015         * config/ia64/ia64.h (FP_REGNO_P): New.
2016         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2017         (reg_class): Add FP_REGS.
2018         (REG_CLASS_NAMES): Adjust for it.
2019         (REG_CLASS_CONTENTS): Likewise.
2020         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2021         (REG_CLASS_FROM_LETTER): Handle 'x'.
2022         (CLASS_MAX_NREGS): Handle FP_REGS.
2023         (MEMORY_MOVE_COST): Likewise.
2024         * config/ia64/ia64.md (itanium_class): Add fldp.
2025         (type): Handle fldp.
2026         (movti_internal): More allowable operand combinations. Use ldfp8 when
2027         splitting unnecessary. Remove predicable attribute. Adjust
2028         itanium_class attribute.
2029         (smuldi3_highpart): Remove outdated comment.
2030         (mulditi3, umulditi3, rotlti3): New expanders.
2031         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2032         (absti2): Disabled new insn for future reference.
2033         Respective new splitters.
2034         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2035         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2036         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2037
2038 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2039
2040         PR rtl-optimization/23047
2041         * simplify-rtx.c (simplify_const_relational_operation): Respect
2042         flag_wrapv for comparisons with ABS.
2043
2044 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2045
2046         PR tree-optimization/22493
2047         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2048         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2049
2050 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2051
2052         * config/frv/frv.opt (moptimize-membar): New.
2053
2054         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2055
2056         * config/frv/frv.h: Remove machine_function definition.
2057
2058         * config/frv/frv.c (struct frv_io): New.
2059         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2060         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2061         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2062         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2063         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2064         (frv_reorg): Call frv_optimize_membar when appropriate.
2065         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2066         (frv_expand_builtin): Adjust calls accordingly.
2067         (frv_io_address_cookie): New function.
2068         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2069         load or store rather than a special insn.  Add ccnstant address and
2070         io-type operands to the membar.
2071         (frv_ifcvt_modify_tests): Unsign regno.
2072         (frv_ifcvt_modify_tests): Same.
2073
2074         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2075         UNSPEC_OPTIONAL_MEMBAR constant.
2076         (builtin_read_<mode>): Delete.
2077         (builtin_write_<mode>): Delete.
2078         ("optional_membar_<mode>"): Add operand.
2079
2080         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2081         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2082         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2083         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2084         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2085         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2086         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2087         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2088         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2089
2090 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2091
2092         * df.c (df_uses_record): Handle SCRATCH.
2093
2094 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2095
2096         PR debug/20161
2097         * passes.c (rest_of_decl_compilation): If decl is a type and
2098         we have encountered errors, don't emit debug information.
2099
2100 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2101
2102         * params.def: Fixed comment.
2103
2104 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2105
2106         PR target/19885
2107         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2108         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2109         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2110
2111 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2112
2113         PR c++/22003
2114         * varasm.c (assemble_start_function): Don't do anything that may
2115         require a CFG if the current function is a thunk.
2116
2117 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2118
2119         * doc/install.texi (Prerequisites): Mention that perl is needed
2120         to do export control in libstdc++ targetting Darwin.
2121
2122 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2123
2124         PR rtl-optimization/17808
2125         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2126         (sched_insns_conditions_mutex_p): Split out from...
2127         (add_dependence): ...here.  But don't call it from here.
2128         (add_dependence_list): Check sched_insns_conditions_mutex_p
2129         before calling add_dependence.
2130         (add_dependence_list_and_free): Likewise.
2131         (fixup_sched_groups): Likewise.
2132         (sched_analyze_1): Likewise.
2133         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2134         (sched_analyze): Likewise.
2135         (sched_analyze_insn): Likewise.
2136         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2137         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
2138         dependencies on all COND_EXEC insns to jumps ending basic blocks
2139         when doing intrablock scheduling.
2140         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2141
2142 2005-07-27  Jeff Law  <law@redhat.com>
2143
2144         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2145         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
2146         equivalency sets, correctly handle the case were vr0 has an
2147         equivalency set, but vr1 does not.
2148
2149 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
2150
2151         PR tree-optimization/23073
2152         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2153         vect_print_dump_info before fprintf.
2154
2155 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2156
2157         PR tree-optimize/22348
2158         * tree-ssa-loop-niter.c (number_of_iterations_cond):
2159         Fold the partial computation.
2160
2161 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2162
2163         PR tree-optimization/22325
2164         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2165         Declare.
2166         * tree-scalar-evolution.c (scev_const_prop): Add generic final
2167         value replacement.
2168         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2169         (force_var_cost): ... this function.
2170         (compute_phi_arg_on_exit): Export.
2171
2172 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2173
2174         PR tree-optimization/20773
2175         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2176         edge.
2177
2178 2005-07-27  Richard Guenther  <rguenther@suse.de>
2179
2180         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2181         Avoid pushing again if current struct contains only
2182         fields we decomposed.
2183
2184 2005-07-27  Jan Hubicka  <jh@suse.cz>
2185
2186         PR tree-optimization/22574
2187         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2188         not available.
2189
2190         * tree-tailcall.c (decrease_profile): New function.
2191         (eliminate_tail_call): Use it.
2192
2193         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2194         visibility flags correctly in whole program mode.
2195
2196 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
2197
2198         PR rtl-optimization/22472
2199         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2200
2201 2005-07-26  Steven Bosscher  <stevenb@suse.de>
2202
2203         PR tree-optimization/22504
2204         * tree-complex.c (expand_complex_addition): Use 'code' instead
2205         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2206
2207 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2208
2209         * config.gcc (cpu_type): Add frv case.
2210         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2211         (supported_defaults): Add fr550 case.
2212
2213 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
2214
2215         PR 22591
2216         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2217         whether a pointer of type T * may point to objects of type T *.
2218
2219 2005-07-26  DJ Delorie  <dj@redhat.com>
2220
2221         * configure: Regenerate.
2222
2223 2005-07-26  Dale Johannesen  <dalej@apple.com>
2224
2225         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
2226
2227 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
2228
2229         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2230         Clarify use of "build" in name.
2231
2232 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2233
2234         * doc/extend.texi (Raw read/write Functions): New section.
2235         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2236         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2237         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2238         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2239         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2240         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2241         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2242         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2243         * config/frv/frv.c: Add bdesc_loads global.
2244         Add bdesc_stores global.
2245         (frv_init_builtins): Add support for __builtin_{read/write}*.
2246         (frv_volatile_memref): New.
2247         (frv_expand_load_builtin): New.
2248         (frv_expand_store_builtin): New.
2249         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2250         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2251         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2252         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2253         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2254         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2255         (builtin_read_<mode>): New.
2256         (builtin_write_<mode>): New.
2257         (builtin_write64): New.
2258         (optional_membar_<mode>): New.
2259
2260 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
2261
2262         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2263         (rather than units) against HOST_BITS_PER_WIDE_INT.
2264
2265 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
2266
2267         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2268         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2269         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2270         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2271         FSF address.
2272
2273         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2274         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2275         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2276         comment typos.
2277         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2278
2279 2005-07-26  Richard Guenther  <rguenther@suse.de>
2280
2281         PR tree-optimization/22486
2282         * fold-const.c (fold_unary): Fold away useless component
2283         references of the form (T *)&T.x, if the address
2284         doesn't change.
2285
2286 2005-07-25  James E Wilson  <wilson@specifixinc.com>
2287
2288         * dwarf2out.c (add_call_src_coords_attributes): New.
2289         (gen_inlined_subroutine_die): Call it.
2290         (maybe_emit_file, init_file_table): Add comments.
2291         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2292         maybe_emit_file.
2293         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2294         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2295         * tree.h (BLOCK_SOURCE_LOCATION): New.
2296         (struct tree_block): New field locus.
2297
2298 2005-07-26  Andreas Schwab  <schwab@suse.de>
2299
2300         PR rtl-optimization/23043
2301         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2302         when allocating a struct unoccr.
2303
2304 2005-07-25  Richard Henderson  <rth@redhat.com>
2305
2306         PR 22626
2307         * tree-complex.c (gate_no_optimization): True if errors.
2308         * Makefile.in (tree-complex.o): Update dependencies.
2309
2310 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
2311
2312         * config/frv/predicates.md (integer_register_operand): Use
2313         GPR_AP_OR_PSEUDO_P.
2314
2315 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2316
2317         PR tree-opt/22484
2318         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2319         after fold.
2320         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2321
2322 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2323
2324         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2325         types when flag_unsafe_math_optimizations is true.
2326
2327 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
2328
2329         * gcc.c (option_map): Add --sysroot.
2330         (process_command): Handle --sysroot.
2331         (display_help): Document it.
2332         * doc/cppopts.tex (-isysroot): Document.
2333         * doc/invoke.texi (--sysroot): Document.
2334         * doc/install.texi (--with-build-sysroot): Document.
2335
2336         * Makefile.in (inhibit_libc): New variable.
2337         (INHIBIT_LIBC_CFLAGS): Likewise.
2338         (LIBGCC2_CFLAGS): Include
2339         $(INHIBIT_LIBC_CFLAGS).
2340         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2341         ($(T)crtbegin.o): Do not use @inhibit_libc@.
2342         ($(T)crtend.o): Likewise.
2343         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2344         ($(T)crtendS.o): Likewise.
2345         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2346         ($(T)crtendT.o): Likewise.
2347         (stmp-fixinc): Do not complain about missing headers if
2348         inhibit_libc.
2349         * configure.ac (inhibit_libc): Set it to true/false.
2350         (--with-build-sysroot): New option.  Use it to set
2351         SYSTEM_HEADER_DIR.
2352         * configure: Regenerated.
2353
2354 2005-07-25  Manfred Hollstein  <mh@suse.com>
2355
2356         * calls.c (store_one_arg): Fix unsigned comparison warning.
2357
2358 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2359
2360         PR other/22337
2361         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2362         (ggc_print_statistics): Initialize variable before use.
2363
2364 2005-07-25  Richard Guenther  <rguenther@suse.de>
2365
2366         * tree-dfa.c (mark_new_vars_to_rename): Protect against
2367         calling with a PHI_NODE argument.
2368
2369         * tree-flow-inline.h (overlap_subvar): Protect against
2370         possible overflow.
2371
2372 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
2373
2374         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2375         * configure: Regenerate.
2376
2377 2005-07-25  Ira Rosen  <irar@il.ibm.com>
2378
2379         * expr.c (highest_pow2_factor): Make extern.
2380         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2381         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2382         record_array_differ_p, array_ptr_differ_p): Likewise.
2383         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2384         additional cases. Call the above functions.
2385         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2386         base_object_differ_p when there are two base objects. Otherwise, compare
2387         base address and offset. Call may_alias_p.
2388         (dump_data_reference): Use a correct field name.
2389         (analyze_array): Make static. Initialize new data-ref fields.
2390         (analyze_indirect_ref): New function.
2391         (init_data_ref): Initialize new data-ref fields.
2392         (strip_conversion): Moved from tree-vect-analyze.c.
2393         (analyze_offset_expr, get_ptr_offset, address_analysis,
2394         object_analysis): Likewise.
2395         (analyze_offset): New function.
2396         (create_data_ref): Likewise.
2397         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2398         dimensions for ARRAY_REFs only.
2399         (build_classic_dist_vector): Make static.
2400         (access_functions_are_affine_or_constant_p): Call macro to get the
2401         address of access functions.
2402         (compute_all_dependences): Add new parameter
2403         compute_self_and_read_read_dependences. Compute self and read-read
2404         dependences if it is true.
2405         (find_data_references_in_loop): Call create_data_ref. Initialize new
2406         data-ref fields.
2407         (compute_data_dependences_for_loop): Add new parameter
2408         compute_self_and_read_read_dependences. Remove parameter nb_loops,
2409         compute nb_loops. Call compute_all_dependences,
2410         build_classic_dist_vector and build_classic_dir_vector with correct
2411         parameters.
2412         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2413         with correct parameters. Compare dimensions for ARRAY_REFs only.
2414         (free_data_refs): Call macro to free access functions.
2415         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2416         fields from stmt_vinfo.
2417         (struct base_object_info): New structure.
2418         (struct data_reference): Move fields to base_object_info. Add fields
2419         first_location and object_info for above structures. Move fields from
2420         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2421         aligned_to.  Add macros to access the new fields.
2422         Update functions declarations.
2423         * tree-flow.h (is_aliased_with): Declare.
2424         * tree-loop-linear.c (linear_transform_loops): Call
2425         compute_data_dependences_for_loop with correct parameters.
2426         * tree-ssa-alias.c (is_aliased_with): New function.
2427         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2428         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2429         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2430         vect_base_addr_differ_p, compute_subscript_distance and
2431         build_classic_dist_vector. Add printings. Check absolute value of
2432         distance.
2433         (vect_analyze_data_ref_dependences): Go through ddrs instead of
2434         data-refs.
2435         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2436         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2437         to bytes. Add printing.
2438         (vect_compute_data_refs_alignment): Go through loads and stores in one
2439         loop.
2440         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2441         vect_analyze_data_ref_access): Likewise.
2442         (vect_analyze_pointer_ref_access): Remove.
2443         (vect_address_analysis, vect_object_analysis): Likewise.
2444         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2445         and analyze data-refs in the loop.
2446         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2447         fields of data-ref instead of stmt. Add init to the offset from the
2448         base.
2449         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2450         (vect_update_init_of_dr): Likewise.
2451         (vect_update_inits_of_drs): Go through loads and stores in one loop.
2452         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2453         removed fields.
2454         (new_loop_vec_info): Initialize new fields.
2455         (destroy_loop_vec_info): Free new fields.
2456         (vect_strip_conversion): Remove.
2457         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2458         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2459         datarefs. Add new field ddrs.
2460         Add macros for the new fields access.
2461         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2462         base_aligned_p, misalignment, memtag, ptr_info and subvars.
2463         Remove their macros.
2464         * tree.h (highest_pow2_factor): Declare.
2465
2466 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
2467
2468         * calls.c (store_one_arg): Check for sibling call MEM arguments
2469         from already clobbered incoming argument area.
2470
2471 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2472
2473         * c-common.c (check_missing_format_attribute): New.
2474         * c-common.h (check_missing_format_attribute): Likewise.
2475         * c-typeck.c (convert_for_assignment): Use it.
2476
2477 2005-07-24  Andreas Schwab  <schwab@suse.de>
2478
2479         * config/m68k/m68k.md ("extendqidi2"): When source is an address
2480         register use a word move.  Correct operand of ext.w in 68000 code.
2481
2482 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
2483
2484         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2485         variables as declarations, rather than definitions.
2486
2487 2005-07-24  Ira Rosen  <irar@il.ibm.com>
2488
2489         PR tree-optimization/22526
2490         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2491         of the zero node.
2492
2493 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2494
2495         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2496         that C99 reserve for future use. Use it to define clog10,
2497         clog10f and clog10l.
2498
2499 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2500
2501         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2502         * configure.ac: Check for -Wmissing-format-attribute.
2503
2504         * configure: Regenerate.
2505
2506 2005-07-23  Richard Henderson  <rth@redhat.com>
2507
2508         PR tree-optimization/22623
2509         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2510
2511 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
2512
2513         PR target/22577
2514         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2515
2516 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2517
2518         * Makefile.in (C_TREE_H): Update dependencies.
2519         * c-tree.h: Include toplev.h.
2520         * diagnostic.h (diagnostic_set_info): Add format attribute.
2521         * rtl-error.c (diagnostic_for_asm): Likewise.
2522
2523 2005-07-23  Chao-ying Fu  <fu@mips.com>
2524
2525         * config/mips/mips-dsp.md: New file.
2526         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2527         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2528         functions.
2529         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2530         MIPS_BUILTIN_BPOSGE32.
2531         (mips_expand_builtin_direct): Add one parameter to indicate that
2532         builtin functions need to return a value.
2533         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2534         functions.
2535         (mips_regno_to_class): Add classes for 12 new DSP registers.
2536         (mips_subword): Change to check four HI registers.
2537         (mips_output_move): Output move to and from 6 new DSP accumulators.
2538         (override_options): Make sure -mdsp and -mips16 are not used together.
2539         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
2540         for machine modes.
2541         (mips_conditional_register_usage): Disable 6 new DSP accumulators
2542         when !TARGET_DSP.
2543         (print_operand): Add 'q' for printing DSP accumulators.
2544         (mips_cannot_change_mode_class): Check ACC_REGS.
2545         (mips_secondary_reload_class): Check ACC_REGS.
2546         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2547         (mips_register_move_cost): Check ACC_REGS.
2548         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2549         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2550         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2551         (dsp_bdesc): New array.
2552         (bdesc_arrays): Add DSP builtin function table.
2553         (mips_prepare_builtin_arg): Check predicate again after
2554         copy_to_mode_reg.
2555         (mips_expand_builtin): Add one more parameter to
2556         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2557         MIPS_BUILTIN_BPOSGE32.
2558         (mips_init_builtins): Initialize new function types.
2559         (mips_expand_builtin_direct): Check if builtin functions need to
2560         return a value and pass operands properly.
2561         (mips_expand_builtin_bposge): New function.
2562         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2563         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2564         (FIRST_PSEUDO_REGISTER): Increase to 188.
2565         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2566         Update for 12 new DSP registers.
2567         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2568         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2569         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2570         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2571         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2572         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2573         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2574         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2575         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2576         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2577         (REGISTER_NAMES): Add names for 12 new DSP registers.
2578         * config/mips/mips.md: Include mips-dsp.md.
2579         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2580         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2581         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2582         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2583         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2584         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2585         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2586         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2587         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2588         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2589         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2590         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2591         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2592         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2593         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2594         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2595         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2596         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2597         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2598         (UNSPEC_RDDSP): New constants.
2599         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2600         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
2601         A<-d alternative.
2602         * config/mips/mips.opt (-mdsp): New option.
2603         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2604         (reg_imm10_operand): New predicates.
2605         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2606         * doc/invoke.texi (-mdsp): Document new option.
2607
2608 2005-07-22  DJ Delorie  <dj@redhat.com>
2609
2610         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2611         to warning calls.
2612         * tree-inline.c (inlinable_function_p): Likewise.
2613
2614 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
2615
2616         PR debug/21828
2617         * toplev.c (check_global_declarations): Do not mark undefined
2618         variables as DECL_IGNORED_P.
2619         * varasm.c (first_global_object_name): GTY it.
2620         (weak_global_object_name): Likewise.
2621         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2622         a string to go into {weak,first}_global_object_name.
2623
2624 2005-07-22  DJ Delorie  <dj@redhat.com>
2625
2626         * c-format.c (check_function_format): Change warning control
2627         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2628
2629 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
2630
2631         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2632         &PTR->FLD a dereference of PTR.
2633         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2634         a potential dereference of PTR.
2635
2636 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2637
2638         PR rtl-optimization/20370
2639         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2640         call allocate_reg_info if necessary.
2641
2642         PR rtl-optimization/21848
2643         * calls.c (emit_library_call_value_1): For const functions, add
2644         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2645
2646         PR rtl-optimization/22445
2647         * cselib.c (target.h): Include.
2648         (rtx_equal_for_cselib_p): Allow commutative matches.
2649         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2650         Remove MODE parameter.  Changed all callers.
2651
2652         PR rtl-optimization/22258
2653         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2654         New functions.
2655         (try_combine): Use likely_spilled_retval_p.
2656
2657 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
2658
2659         * config.gcc: Add crx-elf support.
2660
2661         * doc/contrib.texi: Mention crx.
2662         * doc/extend.texi: Document crx extensions.
2663         * doc/install.texi: Document crx install.
2664         * doc/invoke.texi: Document crx options.
2665         * doc/md.texi: Document crx constraints.
2666
2667         * config/crx/crx-protos.h: New file.
2668         * config/crx/crx.c: New file.
2669         * config/crx/crx.h: New file.
2670         * config/crx/crx.md: New file.
2671         * config/crx/crx.opt: New file.
2672         * config/crx/t-crx: New file.
2673
2674 2005-07-22  Manfred Hollstein  <mh@suse.com>
2675
2676         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2677         warnings.
2678         (int_add_graph_edge): Likewise.
2679         (collapse_nodes): Likewise.
2680         (process_unification_queue): Likewise.
2681
2682 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2683             Laurent GUERBY  <laurent@guerby.net>
2684
2685         PR tree-optimization/22336
2686         * function.c (record_block_change): Check for
2687         cfun->ib_boundaries_block.
2688
2689 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
2690
2691         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2692         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2693
2694 2005-07-21  DJ Delorie  <dj@redhat.com>
2695
2696         * toplev.c (warn_deprecated_use): Add warning control to warning
2697         call.
2698         * c-typeck.c (parser_build_binary_op): Likewise.
2699         (c_finish_if_stmt): Likewise.
2700         * c-common.c (check_function_sentinel): Likewise.
2701         (check_nonnull_arg): Likewise.
2702
2703 2005-07-21  Richard Henderson  <rth@redhat.com>
2704
2705         PR tree-opt/22504
2706         * tree-complex.c (complex_ssa_name_components): New.
2707         (cvc_lookup): Allow entry not found.
2708         (create_components): Remove.
2709         (create_one_component_var, get_component_var): New.
2710         (get_component_ssa_name, set_component_ssa_name): New.
2711         (extract_component): Use get_component_ssa_name.
2712         (update_complex_components): Use set_component_ssa_name.
2713         (update_complex_components_on_edge): Likewise.
2714         (update_phi_components): Create new PHI nodes directly, instead
2715         of adding insns to edges.
2716         (tree_lower_complex): Allocate and free complex_variable_components
2717         and complex_ssa_name_components here.
2718
2719 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
2720
2721         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2722         revert to returning false.
2723
2724 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2725
2726         PR target/21149
2727         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2728
2729 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2730
2731         PR target/22576
2732         * config/i386/i386.md (cmpxf): Change operand constraints
2733         to "nonmemory_operand".
2734
2735 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2736
2737         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2738
2739 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2740
2741         PR middle-end/21180
2742         * fold-const.c (fold_build1): Add checksum for the operands.
2743         (fold_build2): Likewise.
2744         (fold_build3): Likewise.
2745
2746 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2747
2748         PR middle-end/19055
2749         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2750
2751 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2752
2753         * common.opt (-fforward-propagate): Committed by mistake,
2754         removed.
2755
2756 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2757
2758         * reg-stack.c: Fix comment typo(s).
2759         * tree-ssa-operands.c: Likewise.
2760         * tree-vectorizer: Likewise.
2761
2762 2005-07-21  Nick Clifton  <nickc@redhat.com>
2763
2764         * config/sh/symbian.c: Replace C++ style line comments with C
2765         style line comments.
2766         (symbian_add_attribute): Do not use a ? operator on the LHS of
2767         an assignment.
2768         (sh_symbian_handle_dll_attribute): Change the type of the
2769         method vector to "VEC(tree,gc)*" and use vector accessor
2770         macros to walk over the elements.
2771         (symbian_export_vtable_and_rtti_p): Likewise.
2772         (symbian_class_needs_attribute_p): Likewise.
2773
2774 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2775
2776         PR target/22085
2777         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2778         initialize targetm.resolve_overloaded_builtin here.
2779         (altivec_expand_overloaded_builtin): Make it non-static.
2780         * config/rs6000/rs6000-protos.h
2781         (altivec_expand_overloaded_builtin): New prototype.
2782         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2783         targetm.resolve_overloaded_builtin here.
2784         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2785
2786 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2787             Zdenek Dvorak  <dvorakz@suse.cz>
2788
2789         PR tree-optimization/19210
2790         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2791         New.
2792         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2793         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2794         rely on unproven assumptions.
2795         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2796         * tree-flow.h (number_of_iterations_exit): Add final parameter.
2797         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2798         to number_of_iterations_exit.
2799         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2800         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2801         * tree-ssa-loop-niter.c (find_loop_niter,
2802         estimate_numbers_of_iterations_loop): Likewise.
2803         (number_of_iterations_exit): Honor the new options.
2804         * doc/invoke.texi (Wunsafe-loop-optimizations,
2805         funsafe-loop-optimizations): Document them.
2806
2807 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
2808
2809         PR rtl-optimization/22167
2810         * gcse.c (hoist_code): Fix hoist_exprs[] check.
2811
2812 2005-07-20  Adam Nemet  <anemet@lnxw.com>
2813
2814         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2815         __do_global_dtors_aux longcall.
2816
2817 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
2818
2819         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2820         (old_special_pred_table): Don't reference
2821         SPECIAL_MODE_PREDICATES.
2822         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2823         * config/arc/arc.h: Don't mention PREDICATE_CODES.
2824         * config/sh/predicates.h: Don't mention
2825         SPECIAL_MODE_PREDICATES.
2826         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2827         Remove.
2828
2829 2005-07-20  DJ Delorie  <dj@redhat.com>
2830
2831         * config.gcc: Add m32c-elf support.
2832
2833         * doc/contrib.texi: Mention m32c.
2834         * doc/extend.texi: Document m32c extensions.
2835         * doc/install.texi: Mention m32c.
2836         * doc/invoke.texi: Document m32c options.
2837         * doc/md.texi: Document m32c constraints.
2838
2839         * config/m32c/addsub.md: New file.
2840         * config/m32c/bitops.md: New file.
2841         * config/m32c/cond.md: New file.
2842         * config/m32c/jump.md: New file.
2843         * config/m32c/m32c-lib1.S: New file.
2844         * config/m32c/m32c-lib2.c: New file.
2845         * config/m32c/m32c-modes.def: New file.
2846         * config/m32c/m32c-pragma.c: New file.
2847         * config/m32c/m32c-protos.h: New file.
2848         * config/m32c/m32c.abi: New file.
2849         * config/m32c/m32c.c: New file.
2850         * config/m32c/m32c.h: New file.
2851         * config/m32c/m32c.md: New file.
2852         * config/m32c/m32c.opt: New file.
2853         * config/m32c/minmax.md: New file.
2854         * config/m32c/mov.md: New file.
2855         * config/m32c/muldiv.md: New file.
2856         * config/m32c/predicates.md: New file.
2857         * config/m32c/prologue.md: New file.
2858         * config/m32c/shift.md: New file.
2859         * config/m32c/t-m32c: New file.
2860
2861 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2862
2863         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2864         (stack_protect_set, stack_protect_test): New expanders.
2865         (stack_protect_set_si, stack_protect_set_si_media,
2866         stack_protect_set_di_media, stack_protect_test_si,
2867         stack_protect_test_si_media, stack_protect_test_di_media):
2868         New insns.
2869
2870 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
2871
2872         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
2873
2874 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
2875
2876         * tree.h (tree_expr_nonzero_p): Export.
2877         * fold-const.c (tree_expr_nonzero_p): Likewise.
2878         Return true for CALL_EXPRs that are alloca calls.
2879         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
2880         against zero.
2881         * tree-flow.h (expr_computes_nonzero): Remove.
2882         * tree-vrp.c (expr_computes_nonzero): Remove.
2883         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
2884         (extract_range_from_unary_expr): Likewise.
2885         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
2886         tree_expr_nonzero_p.
2887
2888 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2889
2890         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
2891         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
2892         extra arg "picreg" and use it instead of pic_offset_table_rtx.
2893         All callers changed.
2894         (frame_related_constant_load): New arg "related" which controls
2895         setting of RTX_FRAME_RELATED_P.  All callers changed.
2896         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
2897         (bfin_expand_prologue): Add stack limit checking.
2898         * config/bfin/bfin.md (trapifcc): New pattern.
2899
2900         * config/bfin/bfin.c: Include "langhooks.h".
2901         (def_builtin): Go through lang_hooks to call builtin_function.
2902
2903         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
2904         * config/bfin/predicates.md (symbol_ref_operand): New.
2905         (call_insn_operand): Delete.  All callers changed to use
2906         register_no_elim_operand.
2907         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
2908         call_cookie field.
2909         (function_arg): Use it to generate the call's operand 2.
2910         (bfin_longcall_p): New function.
2911         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
2912         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
2913         determine if the address needs to be in a REG.
2914         (bfin_handle_longcall_attribute): New function.
2915         (bfin_attribute_table): Add "longcall" and "shortcall".
2916         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
2917         (CUMULATIVE_ARGS): New member call_cookie.
2918         (PREDICATE_CODES): Add symbol_ref_operand.
2919         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
2920         extra USE to the pattern.
2921         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
2922         New patterns, split off call_insn, sibcall_insn, call_value_insn and
2923         sibcall_value_insn; now the new patterns handle direct calls and the
2924         old ones indirect calls.
2925         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
2926
2927 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
2928
2929         * doc/trouble.texi: Update section on handling of empty loops.
2930
2931 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
2932
2933         * config.gcc: Remove support for sparc-*-openbsd*,
2934         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
2935         ns32k-*-netbsd*.
2936         * config.host: Remove support for i860-*-sysv4* as a host.
2937         * config/i860/*, config/ip2k/*, config/ns32k/*,
2938         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
2939         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
2940         mention obsolete ports.
2941
2942 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2943
2944         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
2945         soft frame pointer.
2946         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
2947         of frame_pointer_rtx.
2948         (sh_expand_epilogue): Likewise.
2949         (sh_set_return_address): Likewise.
2950         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
2951         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
2952         offsets from FRAME_POINTER_REGNUM.
2953         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
2954         (sh_register_names): Add initializer for sfp.
2955         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
2956         (VALID_REGISTER_P): Likewise.
2957         (FIRST_PSEUDO_REGISTER): Update.
2958         (DWARF_FRAME_REGISTERS): Define.
2959         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
2960         (HARD_FRAME_POINTER_REGNUM): Define.
2961         (FRAME_POINTER_REGNUM): Redefine.
2962         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
2963         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
2964         from FRAME_POINTER_REGNUM.
2965         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
2966         FRAME_POINTER_REGNUM.
2967         (REG_CLASS_CONTENTS): Add sfp.
2968         (REG_ALLOC_ORDER): Likewise.
2969         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
2970         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
2971         of frame_pointer_rtx.
2972         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2973
2974 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
2975
2976         * fold-const.c (tree_expr_nonnegative_p): Only return true for
2977         ABS_EXPR when flag_wrapv is false because of INT_MIN.
2978         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
2979         of an ABS_EXPR.
2980         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
2981         ABS_EXPR<x>.
2982
2983 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
2984
2985         Make CONSTRUCTOR use VEC to store initializers.
2986         * c-common.c (complete_array_type): Update to cope with VEC in
2987         CONSTRUCTOR_ELTS.
2988         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
2989         (pp_c_constructor_elts): New function.
2990         * c-pretty-print.h (pp_c_constructor_elts): Declare.
2991         * c-typeck.c (build_function_call, build_c_cast, digest_init,
2992         struct constructor_stack, struct initializer_stack,
2993         constructor_elements, push_init_level, pop_init_level,
2994         add_pending_init, find_init_member, output_init_element): Update to
2995         cope with VEC in CONSTRUCTOR_ELTS.
2996         * coverage.c (build_fn_info_value, build_ctr_info_value,
2997         build_gcov_info): Likewise.
2998         * expr.c (categorize_ctor_elements_1, store_constructor,
2999         expand_expr_real_1): Likewise.
3000         * fold-const.c (fold_ternary): Likewise.
3001         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3002         gimplify_init_constructor, gimplify_expr): Likewise.
3003         * tree-dump.c (dequeue_and_dump): Likewise.
3004         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3005         node.
3006         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3007         CONSTRUCTOR_ELTS.
3008         * tree-sra.c (generate_element_init_1): Likewise.
3009         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3010         * tree-ssa-operands.c (get_expr_operands): Likewise.
3011         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3012         * tree-vect-transform.c (vect_get_vec_def_for_operand):
3013         (get_initial_def_for_reduction): Likewise.
3014         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3015         value handle in annotations.
3016         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3017         tree_node_structure): Add support for constr_kind.
3018         (build_vector_from_ctor, build_constructor_single,
3019         build_constructor_from_list): New functions.
3020         (build_constructor): Update to take a VEC instead of a TREE_LIST.
3021         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3022         Update to cope with VEC in CONSTRUCTOR_ELTS.
3023         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3024         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3025         CONSTRUCTOR_APPEND_ELT): New macros.
3026         (struct constructor_elt, struct tree_constructor): New data types.
3027         (union tree_node): Add tree_constructor field.
3028         * treestruct.def: Define TS_CONSTRUCTOR.
3029         * varasm.c (const_hash_1, compare_constant, copy_constant,
3030         compute_reloc_for_constant, output_addressed_constants,
3031         initializer_constant_valid_p, output_constant,
3032         array_size_for_constructor, output_constructor): Update to cope with
3033         VEC in CONSTRUCTOR_ELTS.
3034         * vec.h (VEC_empty, VEC_copy): New macros.
3035
3036 2005-07-19  Devang Patel  <dpatel@apple.com>
3037
3038         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3039
3040 2005-07-19  Richard Henderson  <rth@redhat.com>
3041
3042         PR tree-opt/22278
3043         * gimplify.c (gimplify_expr): Use main variant type for the temp
3044         destination for a discarded volatile read.
3045         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3046         casts between non-void types that change volatility.
3047
3048 2005-07-15  DJ Delorie  <dj@redhat.com>
3049
3050         * toplev.h: Add comment about the first parameter for warning().
3051         * errors.h: Likewise.
3052
3053         * c.opt (Wpragmas): New.
3054         * doc/invoke.texi: Document it.
3055
3056         * function.c (do_warn_unused_parameter): Add warning control to
3057         warning call.
3058         * c-decl.c (warn_if_shadowing): Likewise.
3059         * c-lex.c (cb_def_pragma): Likewise.
3060         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3061         (pop_alignment): Likewise.
3062         (handle_pragma_pack): Likewise.
3063         (apply_pragma_weak): Likewise.
3064         (handle_pragma_weak): Likewise.
3065         (handle_pragma_redefine_extname): Likewise.
3066         (add_to_renaming_pragma_list): Likewise.
3067         (handle_pragma_extern_prefix): Likewise.
3068         (maybe_apply_renaming_pragma): Likewise.
3069         (handle_pragma_visibility): Likewise.
3070
3071         * config/c4x/c4x-c.c (BAD): Likewise.
3072         (c4x_parse_pragma): Likewise.
3073         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3074         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3075         (rs6000_pragma_longcall): Likewise.
3076         * config/v850/v850-c.c (pop_data_area): Likewise.
3077         (ghs_pragma_section): Likewise.
3078         (ghs_pragma_section): Likewise.
3079         (ghs_pragma_interrupt): Likewise.
3080         (ghs_pragma_starttda): Likewise.
3081         (ghs_pragma_startsda): Likewise.
3082         (ghs_pragma_startzda): Likewise.
3083         (ghs_pragma_endtda): Likewise.
3084         (ghs_pragma_endsda): Likewise.
3085         (ghs_pragma_endzda): Likewise.
3086
3087 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3088             Kenneth Zadeck <zadeck@naturalbridge.com>
3089
3090         * Makefile.in: Removed tree-promote-statics.c
3091         * tree-promote-statics.c: Removed.
3092         * common.opt: Removed flag-promote-statics.
3093         * opts.c: Ditto.
3094         * passes.c: Removed tree-promote-statics pass.
3095         * tree-pass.h: Ditto.
3096         * timevar.def: Removed TV_PROMOTE_STATICS.
3097
3098
3099 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3100
3101         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3102         and *-*-freebsd9.
3103         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3104
3105 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3106
3107         PR c/22476
3108         * c-common.c (check_function_arguments): Call
3109         'check_function_format' if either -Wformat or
3110         -Wmissing-format-attribute are specified.
3111         * c-format.c (check_function_format): Check -Wformat before
3112         calling 'check_format_info'.
3113         * c-opts.c (c_common_post_options): Don't warn for
3114         -Wmissing-format-attribute without -Wformat.
3115         * c-typeck.c (convert_for_assignment): Detect additional cases for
3116         -Wmissing-format-attribute.
3117         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3118         behavior.
3119
3120 2005-07-19  Richard Guenther  <rguenther@suse.de>
3121
3122         * config/i386/i386.md (lrint<mode>2): Use temporary
3123         instead of clobbering non-existent memory.
3124
3125 2005-07-19  Nick Clifton  <nickc@redhat.com>
3126
3127         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3128         statement to avoid displaying ASCII control characters.
3129
3130 2005-07-19  Ben Elliston  <bje@au.ibm.com>
3131
3132         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3133         * cfganal.c (find_edge_index): Ditto.
3134         * combine.c (combine_instructions): Ditto.
3135         * ddg.c (create_scc): Ditto.
3136         (find_successors): Ditto.
3137         (find_predecessors): Ditto.
3138         (find_nodes_on_paths): Ditto.
3139         (longest_simple_path): Ditto.
3140         * flow.c (update_life_info): Ditto.
3141         (count_or_remove_death_notes): Ditto.
3142         (clear_log_links): Ditto.
3143         * modulo-sched.c (generate_reg_moves): Ditto.
3144         (find_max_asap): Ditto.
3145         (find_max_hv_min_mob): Ditto.
3146         (find_max_dv_min_mob): Ditto.
3147         * sbitmap.c (sbitmap_first_set_bit): Ditto.
3148         * sched-rgn.c (extract_edgelst): Ditto.
3149         * tree-into-ssa.c (prepare_names_to_update): Ditto.
3150         (dump_update_ssa): Ditto.
3151         (ssa_names_to_replace) Ditto.
3152         (switch_virtuals_to_full_rewrite): Ditto.
3153         (update_ssa): Ditto.
3154         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3155
3156 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
3157
3158         Fix PR tree-optimization/22483
3159
3160         * tree-complex.c (create_components): Use
3161         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3162         * tree-flow-inline.h (fill_referenced_var_vec): New function.
3163         * tree-flow.h (safe_referenced_var_iterator): New structure.
3164         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3165         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3166         safe_referenced_var iterator.
3167         (add_type_alias): Ditto.
3168
3169 2005-07-19  Steven Bosscher  <stevenb@suse.de>
3170
3171         * loop-init.c (rest_of_handle_loop2): Remove.
3172         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3173         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3174         (pass_rtl_loop_init, pass_rtl_loop_done,
3175         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3176         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3177         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3178         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3179         pass_tree_loop_done, and pass_tree_unswitch.
3180         (gate_loop): Rename to gate_tree_loop.
3181         * passes.c (init_optimization_passes): Update for renamed tree
3182         loop passes.  Add the new loop2 passes as subpasses of loop2.
3183         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3184         Update for the renamed tree loop passes.
3185
3186 2005-07-18  Ian Lance Taylor  <ian@airs.com>
3187
3188         PR middle-end/22057
3189         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3190         blocks when optimizing.
3191
3192 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
3193
3194         * common.opt (frename-registers): Initialize to 2.
3195         (fweb): Ditto.
3196         (fgcse-after-reload): Ditto.
3197         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3198         (process_options): Only change flag_web, flag_rename_registers,
3199         and flag_rerun_cse_after_loop if not explicitly set by user.
3200
3201 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3202
3203         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3204         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3205         in 64-bit mode the same as DImode in 32-bit mode.
3206         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3207         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3208         mode. Add new mode parameter.
3209         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3210         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3211         x86_64_shift_adj): New expanders.
3212         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3213         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3214         insns.
3215         Respective new splitters. Use renamed shift splitter helpers in 32-bit
3216         DImode shift splitters.
3217         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3218         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3219         mode parameter.
3220
3221 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3222
3223         * i386.md (movdi_extzv_1): New.
3224         (zero_extendhidi2): Combine alternatives and never force use of
3225         REX64 prefix.
3226         (zero_extendqidi2): Likewise. Don't restrict input selection.
3227
3228 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3229
3230         Fix PR tree-optimization/22531
3231         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
3232          moment.
3233
3234 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3235
3236         * tree-promote-statics.c (pass_promote_statics): Change dump file
3237          name.
3238
3239 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3240
3241         * tree-optimize.c (init_tree_optimization_passes): Add
3242         pass_eliminate_useless_stores pass.
3243         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3244         * tree-ssa-pre.c (is_copy_stmt): New function.
3245         (follow_copies_till_vuse): Ditto.
3246         (do_eustores): Ditto.
3247         (gate_eustores): Ditto.
3248
3249 2005-07-16  Richard Henderson  <rth@redhat.com>
3250
3251         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3252
3253 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3254            Kenneth Zadeck <zadeck@naturalbridge.com>
3255
3256         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3257         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3258         ipa-type-escape.h, tree-promote-statics.c
3259         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3260         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3261         tree-promote-statics.c: new files.
3262         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3263         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3264         int nonlocal_set_p, mark_constant_function): Deleted.
3265         (rest_of_handle_cfg): Removed call to mark_constant_function.
3266         (nonoverlapping_component_refs_p): Added calls to support
3267         type based aliasing.
3268         * tree-ssa-alias.c (may_alias_p,
3269         compute_flow_insensitive_aliasing): Ditto.
3270         * calls.c (flags_from_decl_or_type): Removed reference to
3271         cgraph_rtl_info.
3272         * c-typeck.c (convert_arguments): Make builtins tolerant of having
3273         too many arguments.  This is necessary for Spec 2000.
3274         * cgraph.h (const_function, pure_function): Removed.
3275         * common.opt: Added "fipa-pure-const", "fipa-reference",
3276         "fipa-type-escape", and "ftree-promote-static".
3277         * opts.c: Ditto.
3278         * passes.c: Added ipa and tree-promote-statics passes.
3279         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3280         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3281         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3282         * tree-flow.h: Added exposed sra calls and addition of
3283         reference_vars_info field for FUNCTION_DECLS.
3284         * tree-pass.h: Added passes.
3285         * tree-sra.c: (sra_init_cache): New function.
3286         (sra_insert_before, sra_insert_after) Made public.
3287         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3288         and made public.
3289         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3290         aliasing. (may_alias_p): Added code to use type escape analysis to
3291         improve alias sets.
3292         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3293         code to prune clobbers of static variables based on information
3294         produced in ipa-reference pass.  Changed call clobbering so that
3295         statics are not marked as clobbered if the call does not clobber
3296         them.
3297
3298 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
3299
3300         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3301         too.
3302
3303 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
3304
3305         * doc/install.texi (*-*-solaris2*): Document recommended version
3306         of GNU binutils and mention GNU linker problem on Solaris 10.
3307
3308 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
3309
3310         PR c/22421
3311         * c-decl.c (c_build_bitfield_integer_type): New function.
3312         (finish_struct): Call it.
3313         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3314
3315 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3316
3317         * c-typeck.c (digest_init): Call 'convert_for_assignment'
3318         before returning.
3319
3320 2005-07-16  Jan Hubicka  <jh@suse.cz>
3321
3322         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3323         (scale_bbs_frequencies_int): Watch roundoff errors.
3324         * predict.c (return_prediction): Initialize return_stmt.
3325
3326 2005-07-16  Jan Hubicka  <jh@suse.cz>
3327
3328         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3329         after RTL profiling.
3330
3331 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
3332
3333         PR middle-end/22398
3334         * fold-const.c (build_range_check): Convert high/low to etype
3335         if we are only comparing against exp.
3336
3337 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
3338
3339         Fix PR tree-optimization/22376
3340         * tree-ssa-structalias.c (build_constraint_graph): We really meant
3341         special var here.
3342         (need_to_solve): New function.
3343         (compute_points_to_sets): Use it.
3344
3345 2005-07-15  Jan Hubicka  <jh@suse.cz>
3346
3347         * cfg.c (update_bb_profile_for_threading): More diagnostic.
3348         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3349
3350 2005-07-15  Richard Guenther  <rguenther@suse.de>
3351
3352         * c-common.c (handle_flatten_attribute): New function.
3353         Add flatten function attribute.
3354         * doc/extend.texi: Document flatten function attribute.
3355         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3356         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3357         New functions.
3358         (cgraph_decide_inlining): Handle functions with flatten
3359         attribute.
3360
3361 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
3362
3363         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3364         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3365         UNSPEC_XCHG, UNSPEC_AND): New.
3366         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3367         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3368         * config/rs6000/sync.md (FETCHOP): New code macro.
3369         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3370         New code attrs.
3371         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3372         (sync_compare_and_swap<mode>): Same.
3373         (sync_lock_test_and_set<mode>): Same.
3374         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3375         for QImode and HImode, and not PPC405.
3376         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3377         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3378         (sync_<fetchop>{si,di}_internal): New.
3379         (sync_nand{si,di}_internal): New.
3380         (sync_old_<fetchop>{si,di}_internal): New.
3381         (sync_old_nand{si,di}_internal): New
3382         (sync_new_<fetchop>{si,di}_internal): New.
3383         (sync_new_nand{si,di}_internal): New.
3384         (atomic_and{si,di}): New.
3385         (sync_new_nand{si,di}_internal): New.
3386         (atomic_and{si,di}): New.
3387         (sync_add<mode>_internal): Delete.
3388         (sync_addshort_internal): Use unspec instead of unspec_volatile.
3389         (sync_sub<mode>_internal): Delte.
3390         (sync_subshort_internal): New.
3391         (sync_andsi_internal): Use unspec instead of unspec_volatile.
3392         (sync_anddi_internal): Delete.
3393         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3394         (sync_booldi_internal): Delete.
3395         (sync_boolc<mode>_internal): Delete.
3396         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3397         (sync_boolc<mode>_internal2): Delete.
3398         (sync_boolcc<mode>_internal): Delete.
3399         (isync, lwsync): Use unspec instead of unspec_volatile.
3400         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3401         Revert UNSPEC_VOLATILE.
3402         (rs6000_split_atomic_op): New.
3403         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3404
3405 2005-07-14  Eric Christopher  <echristo@redhat.com>
3406
3407         * config/mips/mips.c (mips_canonicalize_comparison): Cast
3408         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3409
3410 2005-07-14  Eric Christopher  <echristo@redhat.com>
3411
3412         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3413
3414 2005-07-14  Steven Bosscher  <stevenb@suse.de>
3415
3416         PR tree-optimization/22230
3417         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3418         the computation of the four cross productions for "range op range".
3419
3420 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
3421             Ulrich Weigand  <uweigand@de.ibm.com>
3422
3423         PR target/20126
3424         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3425         in some insn.
3426
3427 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3428
3429         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3430
3431 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
3432
3433         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3434
3435 2005-07-14  Richard Guenther  <rguenther@suse.de>
3436
3437         PR middle-end/22347
3438         * config/i386/i386-protos.h (ix86_function_value): Change
3439         prototype to match new target hook.
3440         * config/i386/i386.c (ix86_value_regno): Change prototype
3441         to take extra type argument.
3442         (TARGET_FUNCTION_VALUE): Define.
3443         (ix86_function_ok_for_sibcall): Pass extra argument to
3444         ix86_value_regno, check return slot rtx for exact match.
3445         (ix86_function_value): Take extra parameter.  Dispatch to
3446         ix86_value_regno with fndecl/fntype as provided.
3447         (ix86_value_regno): Handle extra type argument.
3448         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3449
3450         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3451         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3452         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3453         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3454         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3455
3456 2005-07-14  Richard Guenther  <rguenther@suse.de>
3457
3458         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3459         * calls.c (expand_call): Pass fntype to hard_function_value.
3460         (emit_library_call_value_1): Likewise.
3461         * explow.c: Include target.h.
3462         (hard_function_value): Take extra argument, the fntype.
3463         Use new target hook for function_value.
3464         * expr.h (hard_function_value): Change prototype.
3465         * function.c (aggregate_value_p): Pass 0 as fntype to
3466         hard_function_value.
3467         (assign_parms): Use new target hook for function_value.
3468         Pass 0 as fntype to hard_function_value.
3469         (expand_function_end): Likewise.
3470         * reg-stack.c: Include target.h.
3471         (stack_result): Use new target hook for function_value.
3472         * target-def.h: New target hook function_value.
3473         * target.h: Likewise.
3474         * targhooks.c (default_function_value): New function.
3475         * targhooks.h (default_function_value): Declare.
3476
3477 2005-07-13  Ian Lance Taylor  <ian@airs.com>
3478
3479         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3480
3481 2005-07-14  Jan Hubicka  <jh@suse.cz>
3482
3483         * tree-dfa.c (dump_variable): Use default_def function.
3484         * tree-ssa-alias.c (dump_points_to_info): Likewise.
3485         * tree-ssa.c (verify_use): Likewise.
3486         * tree-ssanames.c (release_ssa_name): Likewise.
3487         * tree-tailcall.c (eliminate_tail_call): Likewise.
3488         (tree_optimize_tail_calls_1): Likewise.
3489         * tree-vrp.c (get_value_range): Likewise.
3490
3491 2005-07-14  Ben Elliston  <bje@au.ibm.com>
3492
3493         * gcc.c (main): Compare language[0] with '*' when iterating over
3494         the infiles.
3495
3496 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3497
3498         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3499         "s390_emit_compare".  Add handling of CCZ1mode.
3500         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3501         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3502         checking.
3503         (s390_branch_condition_mask): Add CCZ1mode handling.
3504         * config/s390/s390.md: ("seq", "*seq"): New pattern.
3505         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3506         Use CCZ1mode instead of CCZmode.
3507         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
3508
3509 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3510
3511         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3512         pattern.
3513         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3514
3515 2005-07-13  Eric Christopher  <echristo@redhat.com>
3516
3517         * config/mips/mips.c (mips_canonicalize_comparison): New.
3518         (mips_emit_int_relational): Use.
3519
3520 2005-07-13  Eric Christopher  <echristo@redhat.com>
3521
3522         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3523         static extra parts.
3524         * config/s390/s390.md: Include tpf.md. Move tpf specific
3525         patterns...
3526         * config/s390/tpf.md: To here.
3527         * config/s390/s390.opt: Move tpf specific options...
3528         * config/s390/tpf.opt: to here. Add mmain option.
3529         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3530         * config/s390/tpf.h: Rewrite.
3531
3532 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3533
3534         * doc/tm.texi: Remove @xref{Cross-profiling}.
3535
3536 2005-07-13  Jeff Law  <law@redhat.com>
3537
3538         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3539         expressions, test their _DECL operands for pointer equality rather
3540         than using operand_equal_p.
3541
3542 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3543
3544         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3545         (TARGET_POSIX_IO): This.
3546         * config/darwin.h: Likewise.
3547         * config/freebsd.h: Likewise.
3548         * config/linux.h: Likewise.
3549         * config/lynx.h: Likewise.
3550         * config/netbsd.h: Likewise.
3551         * config/rs6000/linux64.h: Likewise.
3552         * config/rs6000/linux.h: Likewise.
3553         * config/s390/tpf.h: Likewise.
3554         * config/sh/embed-elf.h: Likewise.
3555         * config/sparc/linux64.h: Likewise.
3556         * config/sparc/linux.h: Likewise.
3557         * config/svr4.h: Likewise.
3558         * gcov-io.h: Likewise.
3559
3560         * doc/tm.texi: Updated.
3561
3562         * libgcov.c (create_file_directory): Defined only if
3563         TARGET_POSIX_IO is defined.
3564         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3565         is defined.
3566
3567 2005-07-13  Jan Hubicka  <jh@suse.cz>
3568
3569         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3570
3571 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
3572
3573         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3574         structure as argument.
3575
3576 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
3577
3578         PR tree-optimization/21921
3579         * tree-iterator.c (tsi_link_before): Support the case when
3580         tsi_end_p (tsi) == true.
3581
3582 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3583
3584         PR tree-optimization/22442
3585         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3586         correctly.
3587
3588 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3589
3590         PR rtl-optimization/20376
3591         * toplev.c (process_options): Enable -fweb and -frename-registers when
3592         unrolling.
3593         * doc/invoke.texi: Update the information about when -fweb and
3594         -frename-registers are enabled.
3595
3596 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3597
3598         PR tree-opt/21840
3599         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3600         if *rhs_p is not a SSA_NAME.
3601
3602 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
3603
3604         Fix PR tree-optimization/22422
3605         * tree-ssa-structalias.c (struct variable_info): Add flag for
3606         special vars.
3607         (get_varinfo): Now a static function.
3608         (new_varinfo): init has_union and is_special_var to false.
3609         (solution_set_add): Check has_union.
3610         (do_da_constraint): Move temporary variable so it gets reset
3611         properly.
3612         Also check for special variable.
3613         (do_ds_constraint): Ditto.
3614         (do_sd_constraint): Ditto.
3615         (do_structure_copy): Check for special variable.
3616         (find_func_aliases): Ditto.
3617         (init_base_vars): Set special vars properly.
3618
3619 2005-07-13  Jan Hubicka  <jh@suse.cz>
3620
3621         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3622         do unit-at-a-time.
3623
3624         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3625         (get_expr_operands): Fix thinko wrt flags and subvars.
3626
3627         PR tree-optimize/22379
3628         * tree-inline.c (expand_call_inline): Do not output sorry in early
3629         inlining.
3630
3631 2005-07-12  Dale Johannesen  <dalej@apple.com>
3632
3633         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
3634
3635 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3636
3637         PR bootstrap/21704
3638         * host-linux.h: Include limits.h.
3639
3640 2005-07-12  Dale Johannesen  <dalej@apple.com>
3641
3642         * expr.c (compress_float_constant):  Add cost check.
3643         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
3644
3645 2005-07-12  Dale Johannesen  <dalej@apple.com>
3646
3647         * gcc.target/i386/compress-float-sse.c:  New.
3648         * gcc.target/i386/compress-float-sse-pic.c:  New.
3649         * gcc.target/i386/compress-float-387.c:  New.
3650         * gcc.target/i386/compress-float-387-pic.c:  New.
3651         * gcc.dg/compress-float-ppc.c:  New.
3652         * gcc.dg/compress-float-ppc-pic.c:  New.
3653
3654 2005-07-12  Eric Christopher  <echristo@redhat.com>
3655
3656         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3657         static extra parts.
3658         * config/s390/s390.md: Include tpf.md. Move tpf specific
3659         patterns...
3660         * config/s390/tpf.md: To here.
3661         * config/s390/s390.opt: Move tpf specific options...
3662         * config/s390/tpf.opt: to here. Add mmain option.
3663         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3664         * config/s390/tpf.h: Rewrite.
3665
3666 2005-07-12  Eric Christopher  <echristo@redhat.com>
3667
3668         * gcc.c (struct infile): Update comment for language.
3669         (main): Rewrite input file resetting code.
3670
3671 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3672
3673         PR tree-opt/22335
3674         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3675         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
3676         (lookup_avail_expr): Use constant_boolean_node instead
3677         of boolean_false_node/boolean_true_node.
3678
3679 2005-07-12  Ben Elliston  <bje@au.ibm.com>
3680
3681         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3682         and use it when printing num_edges.
3683
3684 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3685
3686         * doc/extend.texi (Blackfin Built-in Functions): New section.
3687         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3688         @opindex.
3689
3690 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
3691
3692         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3693         s/cmpstrsi/cmpstrnsi
3694         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3695         'cmpstrnsi'.
3696         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3697         (init_optabs): Initialize cmpstrn_optab.
3698         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3699         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3700         * expr.c: (enum insn_code cmpstrn_optab): Declare.
3701         * config/i386/i386.md: s/cmpstr/cmpstrn
3702         * config/c4x/c4x.md: s/cmpstr/cmpstrn
3703         * doc/md.texi: Update documentation.
3704
3705 2005-07-11  Richard Henderson  <rth@redhat.com>
3706
3707         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3708         build_va_arg_indirect_ref.
3709         (alpha_gimplify_va_arg): Likewise.
3710         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3711         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3712         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3713         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3714         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3715         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3716         Likewise.
3717         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3718
3719 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3720
3721         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3722         * passes.c (init_optimization_passes): Add pass_empty_loop.
3723         * tree-pass.h (pass_empty_loop): Declare.
3724         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3725         try_remove_empty_loop, remove_empty_loops): New functions.
3726         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3727         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3728
3729 2005-07-12  Peter Barada  <peter@the-baradas.com>
3730
3731         PR middle-end/16719
3732         PR middle-end/18421
3733         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3734         in address registers.
3735         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3736         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3737         alternative of addsi3_5200.
3738
3739 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3740
3741         * config/mips/mips.md (ffs<mode>2): Remove.
3742
3743 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3744
3745         * doc/tree-ssa.texi (Cleanups): Improve description of
3746         TRY_FINALLY_EXPR.
3747         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3748
3749 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3750
3751         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3752         * tree.h (DECL_ARGUMENT_FLD): New macro.
3753
3754 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3755
3756         Fix PR tree-optimization/22404
3757
3758         * tree-ssa-structalias.c (create_variable_info_for): Use
3759         correct offset.
3760
3761 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3762
3763         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3764         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3765         for second comparison operand.
3766         * config/bfin/predicates.md (reg_or_const_int_operand): New.
3767
3768         * config/bfin/bfin.md (define_attr "type"): Add "sync".
3769         (define_insn_reservation "alu"): Likewise.
3770         (csync, ssync): Now of type sync.
3771         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3772         -mcsync-anomaly -mspecld-anomaly.
3773         * config/bfin/bfin.opt (mcsync): Remove.
3774         (mcsync-anomaly, mspecld-anomaly): Add.
3775         * config/bfin/bfin.c: Include "insn-codes.h".
3776         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3777         (TARGET_DEFAULT_TARGET_FLAGS): New.
3778         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3779
3780 2005-07-11  Steven Bosscher  <stevenb@suse.de>
3781
3782         * basic-block.h: Give the BB flags enum a name, bb_flags.
3783         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3784         * cfgcleanup.c (enum bb_flags): Remove here.
3785         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3786         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3787         (update_forwarder_flag): Likewise.
3788         (thread_jump): Likewise.
3789         (try_forward_edges): Likewise.
3790         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
3791         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
3792         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3793
3794 2005-07-11  Richard Guenther  <rguenther@suse.de>
3795
3796         * config/i386/i386.opt: New target option -msseregparm.
3797         * config/i386/i386.c (override_options): Error out for
3798         -msseregparm but no SSE support.
3799         (ix86_function_sseregparm): Check for global sseregparm.
3800         * doc/invoke.texi: Document -msseregparm.
3801
3802 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3803
3804         * config.gcc (m32r-*-linux*): Use the default extra_parts.
3805         (m32rle-*-linux*): Ditto.
3806
3807 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
3808
3809         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3810         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3811         bytes.
3812
3813 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3814
3815         PR middle-end/22239
3816         PR target/20126
3817         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3818         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3819
3820 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
3821
3822         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3823         (varmap): Heapify varmap.
3824         (constraints): Heapify constraints.
3825         (struct constraint_graph): Heapify succs and preds.
3826         (constraint_vec_find): Update for heapification.
3827         (constraint_set_union): Ditto.
3828         (insert_into_complex): Ditto.
3829         (constraint_edge_vec_find): Ditto.
3830         (erase_graph_self_edge): Ditto.
3831         (add_graph_edge): Ditto.
3832         (get_graph_weights): Ditto.
3833         (merge_graph_nodes): Ditto.
3834         (build_constraint_graph): Ditto.
3835         (topo_visit): Ditto.
3836         (solve_graph): Ditto.
3837         (create_variable_info_for): Ditto.
3838         (init_base_vars): Ditto.
3839         (delete_points_to_sets): Free graph, varmap, and complex constraints.
3840         (condese_varmap_nodes): Free complex vector.
3841         (clear_edges_for_node): Clear succs and preds vector.
3842
3843 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3844
3845         * tree-ssa-structalias.c (update_alias_info): Change counting of
3846         references to not include vdefs.
3847
3848 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3849
3850         * tree-ssa-alias.c (free_used_part_map): Add missing free.
3851         (up_insert): Ditto.
3852
3853 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3854
3855         * pa.c (pa_commutative_p): Make PLUS commutative when
3856         TARGET_NO_SPACE_REGS is true.
3857
3858 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3859
3860         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3861         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3862         * tree-dfa.c (dump_subvars_for): New.
3863         (debug_subvars_for): New.
3864         (dump_variable): Show subvariables if VAR has them.
3865         * tree-flow-inline.h (get_subvar_at): New.
3866         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3867         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3868         Update all users.
3869         (struct subvar): Change fields offset and size to unsigned
3870         HOST_WIDE_INT.
3871         (dump_subvars_for): Declare.
3872         (debug_subvars_for): Declare.
3873         (get_subvar_at): Declare.
3874         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
3875         to unsigned HOST_WIDE_INT *.
3876         (overlap_subvar): Likewise.
3877         * tree-gimple.c (is_gimple_reg): Always return false for
3878         SFTs and memory tags.
3879         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
3880         Update all callers.
3881         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
3882         (compute_may_aliases): Call compute_points_to_sets.
3883         (collect_points_to_info_for): Remove.
3884         (compute_points_to_and_addr_escape): Remove.
3885         (delete_alias_info): Call delete_points_to_sets.
3886         (compute_flow_sensitive_aliasing): If the call to
3887         find_what_p_points_to returns false, call set_pt_anything.
3888         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
3889         (set_pt_anything): Clear pi->pt_vars.
3890         (set_pt_malloc): Remove.
3891         (merge_pointed_to_info): Remove.
3892         (add_pointed_to_expr): Remove.
3893         (add_pointed_to_var): Remove.
3894         (collect_points_to_info_r): Remove.
3895         (is_escape_site): Make extern.
3896         (create_sft): New.
3897         (create_overlap_variables_for): Call it.
3898         * tree-ssa-copy.c (merge_alias_info): Never merge
3899         flow-sensitive alias information.
3900         * tree-ssa-operands.c (get_expr_operands): Adjust variables
3901         offset and size to be unsigned HOST_WIDE_INT.
3902         (add_to_addressable_set): Rename from note_addressable.
3903         Set TREE_ADDRESSABLE as the variables are added to the set.
3904         Update all users.
3905         (add_stmt_operand): Do not try to micro-optimize unmodifiable
3906         operands into VUSEs when adding V_MAY_DEFs for members in an
3907         alias set.
3908         * tree-ssa-operands.h (add_to_addressable_set): Declare.
3909         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
3910         (struct variable_info): Add bitfield is_heap_var.
3911         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
3912         (new_var_info): Initialize is_heap_var.
3913         (get_constraint_for): Add HEAP variables to the symbol table.
3914         Mark them with is_heap_var.
3915         (update_alias_info): New.  Taken mostly from the old
3916         compute_points_to_and_addr_escape.
3917         (handle_ptr_arith): New.
3918         (find_func_aliases): Call update_alias_info.
3919         Call handle_ptr_info for tcc_binary expressions.
3920         Call mark_stmt_modified.
3921         (create_variable_info_for): If DECL has subvars, do not create
3922         variables for its subvars.  Always add all the fields.
3923         (set_uids_in_ptset): If the solution includes ANYOFFSET and
3924         SFTs, then add all the SFTs of the structure.
3925         If VI->DECL is an aggregate with subvariables, add the SFT at
3926         VI->OFFSET.
3927         (find_what_p_points_to): If VI is an artificial variable,
3928         translate to bitfields in SSA_NAME_PTR_INFO.
3929         If the solution is empty, set pi->pt_vars to NULL
3930         (init_base_vars): Create ANYOFFSET.
3931         (compute_points_to_sets): Rename from create_alias_vars.
3932         Make extern.
3933         (pass_build_pta): Remove.
3934         (delete_points_to_sets): Rename from delete_alias_vars.
3935         (pass_del_pta): Remove.
3936         * tree-ssa-structalias.h (struct alias_info): Move from
3937         tree-ssa-alias.h.
3938         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
3939         NUM_REFERENCES_SET): Likewise.
3940         (compute_points_to_sets, delete_points_to_sets): Declare.
3941
3942 2005-07-09  Richard Henderson  <rth@redhat.com>
3943
3944         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
3945         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
3946         alpha_split_lock_test_and_set_12): New functions.
3947         * config/alpha/alpha-protos.h: Update.
3948         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
3949         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
3950         * config/alpha/sync.md (I12MODE): New.
3951         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
3952         (sync_<fetchop_name><I48MODE>): Likewise.
3953         (sync_nand<I48MODE>): Likewise.
3954         (sync_old_<fetchop_name><I48MODE>): Likewise.
3955         (sync_new_<fetchop_name><I48MODE>): Likewise.
3956         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3957         (sync_compare_and_swap<I48MODE>): Likewise.
3958         (sync_lock_test_and_set<I48MODE>): Likewise.
3959         (sync_compare_and_swap<I12MODE>): New.
3960         (sync_compare_and_swap<I12MODE>_1): New.
3961         (sync_lock_test_and_set<I12MODE>): New.
3962         (sync_lock_test_and_set<I12MODE>_1): New.
3963
3964 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3965
3966         PR 21356
3967         PR 22332
3968         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
3969
3970 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
3971
3972         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
3973         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
3974
3975 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
3976
3977         PR target/21656
3978         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3979
3980 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
3981
3982         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
3983         memory_operand constraint.
3984         (store_conditional_<mode>): Same.
3985         (sync_compare_and_swap<mode>): Same.
3986         (sync_lock_test_and_set<mode>): Same.
3987
3988 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
3989
3990         Rewrite PIC support to more closely model actual instructions.
3991         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
3992         (cris_symbol): Remove prototypes for removed functions.
3993         (cris_pic_symbol_type_of, cris_valid_pic_const)
3994         (cris_expand_pic_call_address): Prototypes for new functions.
3995         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
3996         variable.
3997         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
3998         modifiers.
3999         <case ':'>: Add case for new punctuation character.
4000         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4001         emitting (extra) PIC modifier.
4002         <case UNSPEC>: Do not assert for PLT.
4003         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4004         (cris_expand_prologue, cris_expand_epilogue): Check
4005         for pic_offset_table_rtx usage instead of taking
4006         current_function_uses_pic_offset_table as the final word.
4007         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4008         Remove flag_pic difference.
4009         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4010         the moral equivalents of...
4011         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4012         functions.
4013         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4014         (cris_handle_option): Mark ARG as unused.
4015         (cris_expand_pic_call_address): New worker function for "call",
4016         "call_value".
4017         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4018         output PIC constructs here.
4019         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4020         as symbol-specific modifers, not whole or part of operands.
4021         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4022         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4023         constants and flag_pic.
4024         (CONSTANT_INDEX_P): Adjust for new functions.
4025         (enum cris_pic_symbol_type): New helper type.
4026         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4027         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4028         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4029         define_constants.
4030         ("movsi"): Emit actual instructions for GOT and relative access.
4031         ("*movsi_got_load"): New pattern to set up the register holding
4032         the GOT pointer.
4033         ("*movsi_internal"): Operand 1 is not a plain general_operand.
4034         Adjust FIXME for 'S'.
4035         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4036         Use "movs" for -fpic cases.
4037         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4038         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4039         ("call", "call_value"): Just call cris_expand_pic_call_address for
4040         PIC addresses.
4041         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4042         Remove special pattern.
4043         ("*expanded_call_side", "*expanded_call_value_side"): New
4044         patterns.
4045         (gotplt-to-plt, gotplt-to-plt-side-call)
4046         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4047         peephole2:s.
4048         * config/cris/cris/predicates.md
4049         ("cris_general_operand_or_gotless_symbol"): Remove unused
4050         predicate.
4051         ("cris_general_operand_or_symbol"): Adjust for new functions.
4052
4053 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4054
4055         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4056
4057 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
4058
4059         * Makefile.in (TREE_H): Add treestruct.def.
4060         (c-decl.o): Add pointer-set.h
4061         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4062         visibility on regular DECL's.
4063         (merge_decls): Fix the copying of decl nodes of various types for
4064         the new structures.  Don't update RTL, section name, weak status,
4065         etc, on DECL's without RTL.
4066         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4067         Don't check volatile on non-variable types.
4068         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4069         to check whether we have seen arguments.
4070         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4071         flag is checked before field (flag is common, field is not).
4072         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
4073         TS_DECL_COMMON could have an origin.
4074         (add_location_or_const_value_attribute): Don't check section name
4075         on non-var/function decls.
4076         (dwarf2out_var_location): Reverse order of tests.
4077         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4078         with DECL_WRTL_CHECK.
4079         * expmed.c (make_tree): rtl is now in decl_with_rtl.
4080         * fold-const.c (fold_binary): Don't check weakness on
4081         non-var/function decls.
4082         (tree_expr_nonzero_p): Ditto.
4083         (fold_checksum_tree): Use tree_decl_extra as sizeof
4084         buffer.
4085         * ggc-page.c (extra_order_size_table): Add sizes for
4086         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
4087         tree_field_decl.
4088         * gimplify.c (gimplify_bind_expr): Only set
4089         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4090         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4091         without RTL.
4092         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4093         * langhooks.h (init_ts). New langhook.
4094         * passes.c (rest_of_decl_compilation): Reverse order of tests.
4095         * print-tree.c (print_node): Update to only print fields that
4096         exist in the structures the passed decl has.
4097         * toplev.c (wrapup_global_declarations): Don't reset
4098         DECL_DEFER_OUTPUT on DECL's that don't contain it.
4099         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4100         * tree-inline.c (remap_decl): Ditto.
4101         * tree-outof-ssa.c (create_temp): Reverse order of tests.
4102         * tree-pretty-print.c (print_declaration): Don't print
4103         DECL_REGISTER on things that don't contain it.
4104         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4105         non-var/function decls.
4106         * tree.c (tree_contains_struct): New structure.
4107         (init_priority_for_decl): New hashtable.
4108         (tree_int_map): New structure.
4109         (tree_int_map_eq): New function.
4110         (tree_int_map_marked_p): Ditto.
4111         (tree_int_map_hash): Ditto.
4112         (tree_map): Move to tree.h.
4113         (tree_map_eq): Externalize.
4114         (tree_map_hash): Ditto.
4115         (tree_map_marked_p): Ditto.
4116         (init_ttree): Set up tree_contains_struct and call langhook.
4117         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4118         (tree_code_size): Update for new structures.
4119         (tree_node_structure): Update for new structures.
4120         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4121         without the field.
4122         (copy_node_stat):  Copy init priority.
4123         (build_decl_stat): Ditto for visibility.
4124         (ts_enum_names): New.
4125         (tree_contains_struct_check_failed): New function.
4126         (decl_init_priority_lookup): Ditto.
4127         (decl_init_priority_insert): Ditto.
4128         * treestruct.def: New file.
4129         * tree.h (CODE_CONTAINS_STRUCT): New macro.
4130         (CONTAINS_STRUCT_CHECK): Ditto.
4131         (tree_contains_struct_check_failed): New prototype.
4132         (DECL_CHECK): Removed.
4133         (DECL_MINIMAL_CHECK): New.
4134         (DECL_COMMON_CHECK): Ditto.
4135         (DECL_WRTL_CHECK): Ditto.
4136         (DECL_NON_COMMON_CHECK): Ditto.
4137         (DECL_WITH_VIS_CHECK): Ditto.
4138         (VAR_OR_FUNCTION_DECL_P): Ditto
4139         (struct tree_decl_minimal): New structure.
4140         (struct tree_decl_common): Ditto.
4141         (struct tree_decl_with_rtl): Ditto.
4142         (struct tree_decl_with_vis): Ditto.
4143         (struct tree_decl_non_common): Ditto.
4144         (struct tree_field_decl): Ditto.
4145         (struct tree_parm_decl): Ditto.
4146         (struct tree_var_decl): Ditto.
4147         (struct tree_function_decl): Ditto.
4148         (struct tree_const_decl): Ditto.
4149         (struct tree_result_decl): Ditto.
4150         (union tree_node): Add new structures.
4151         * var-tracking.c (track_expr_p): Reverse order of tests.
4152
4153         * doc/c-tree.texi: Add documentation on DECL node internal structure.
4154
4155 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4156
4157         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4158         * system.h: Poison FINALIZE_PIC.
4159         * doc/tm.texi (FINALIZE_PIC): Remove.
4160
4161 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4162
4163         PR tree-opt/22329
4164         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4165         to the correct type if we have a MODIFY_EXPR.
4166
4167 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4168
4169         PR tree-optimization/22360
4170         * tree.c (upper_bound_in_type): Fix calculations for casting
4171         to a non-wider signed type and casting a signed value to a
4172         wider unsigned type.
4173         (lower_bound_in_type): Fix calculations for casting to a
4174         non-wider signed type.
4175
4176         PR tree-optimization/20139
4177         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4178         release_defs.
4179         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4180         fold_cond_expr_cond.
4181         * tree-ssanames.c (release_defs): Assert in_ssa_p.
4182         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4183
4184 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4185
4186         PR tree-opt/22356
4187         * tree-complex.c (expand_complex_libcall): Produce
4188         REALPART_EXPR/IMAGPART_EXPR with the correct type.
4189
4190 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
4191
4192         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4193         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4194         b" assert and inserted fastpath code for this case.
4195         (bitmap_ior): Removed "a != b" assert.
4196
4197 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4198
4199         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
4200         (ENDFILE_SPEC): Likewise.
4201         * config/m32r/m32r.h (ASM_SPEC): Likewise.
4202
4203         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
4204         a large stack frame at epilogue.
4205
4206 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
4207
4208         * final.c: Include sdbout.h when required.
4209
4210 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
4211
4212         * config.gcc (*-*-darwin*): Only one target-specific header file
4213         for generic darwin.
4214         (powerpc-*-darwin*): Add version-specific header files.
4215         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
4216         * config.in: Regenerate.
4217         * configure: Regenerate.
4218         * gcc.c: Include xregex.h.
4219         (version_compare_spec_function): New.
4220         (spec_function): Add version-compare.
4221         (replace_outfile_spec_function): Reformat comment.
4222         (compare_version_strings): New.
4223         * config/darwin-c.c (version_as_macro): New.
4224         (builtin_define): New.
4225         (darwin_cpp_builtins): New.
4226         * config/darwin-protos.h (darwin_cpp_builtins): New.
4227         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
4228         (LIB_SPEC): Make unconditional, update comment.
4229         (TARGET_C99_FUNCTIONS): Define.
4230         * config/darwin.opt: Sort.
4231         (mmacosx-version-min=): New.
4232         * config/darwin7.h: Delete.
4233         * config/darwin8.h: Delete.
4234         * config/i386/darwin.h (): Call darwin_cpp_builtins.
4235         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
4236         (TARGET_C99_FUNCTIONS): Define.
4237         * config/rs6000/darwin7.h: New.
4238         * config/rs6000/darwin8.h: New.
4239         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
4240         (-mmacosx-version-min): Document.
4241
4242 2005-07-07  Ian Lance Taylor  <ian@airs.com>
4243
4244         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
4245
4246 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
4247
4248         PR middle-end/22239
4249         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
4250
4251 2005-07-07  Khem Raj  <kraj@mvista.com>
4252
4253         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
4254         in bytes, not words.
4255
4256 2005-07-07  Paul Brook  <paul@codesourcery.com>
4257
4258         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
4259         DEFAULT_FUNCTION_ARG_PADDING to upward.
4260
4261 2005-07-07  Richard Henderson  <rth@redhat.com>
4262
4263         * function.c (locate_and_pad_parm): Record parameter alignment in
4264         stack_alignment_needed.
4265
4266 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
4267
4268         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
4269         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
4270         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
4271         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
4272         (define_attr "type"): Add isync, sync, load_l, store_c.
4273         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
4274         Create scratch volatile MEM.
4275         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
4276         sync.
4277         (load_locked_<mode>): New.
4278         (store_conditional_<mode>): New.
4279         (sync_compare_and_swap<mode>): Replace with splitter.
4280         (sync_lock_test_and_set<mode>): Replace with splitter.
4281         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
4282         and UNSPECV_ISYNC.
4283         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
4284         is ics.  Attribute isync.
4285         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
4286         lwsync.
4287         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
4288         and UNSPECV_SYNC_OP.
4289         (emit_unlikely_jump): New.
4290         (emit_load_locked): New.
4291         (emit_store_conditional): New.
4292         (rs6000_split_compare_and_swap): New.
4293         (rs6000_split_lock_test_and_set): New.
4294         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
4295         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
4296         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
4297         rs6000_split_lock_test_and_set): Declare.
4298         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
4299         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
4300         store_c, isync, sync.
4301
4302 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
4303
4304         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
4305         filenames to gtyp-gen.h.
4306         (s-typ-gen): Use it in place of for loops.
4307
4308 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
4309
4310         * hooks.c (hook_bool_rtx_int_false): New function.
4311         * hooks.h (hook_bool_rtx_int_false): Declare.
4312         * target-def.h (TARGET_COMMUTATIVE_P): Define.
4313         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
4314         * target.h (struct gcc_target): Add commutative_p member.
4315         * targhooks.c (hook_bool_rtx_commutative_p): New function.
4316         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
4317         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
4318         (pa_commutative_p): New function.
4319         * jump.c (target.h): Include.
4320         (rtx_renumbered_equal_p): Use targetm.commutative_p.
4321         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
4322
4323 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4324
4325         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
4326         (s390_expand_setmem): New.
4327         * config/s390/s390.c: Likewise.
4328         (print_shift_count_operand): Truncate to 12 bits instead of 6.
4329         Adapt comments.
4330         * config/s390/s390.md: ("setmem<mode>"): Accept character as
4331         general_operand.  Call new function "s390_expand_setmem".
4332         ("clrmem_long", "*clrmem_long"): Rewrite to ...
4333         ("setmem_long", "*setmem_long"): ... this.
4334
4335 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4336
4337         * config/s390/s390.c: (optimization_options): Enable
4338         TARGET_MVCLE at -Os.
4339         * doc/invoke.texi: Document changes in default behaviour.
4340         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
4341
4342 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4343
4344         * expr.c: (set_storage_via_setmem): Convert opchar to mode
4345         defined by back-end.
4346
4347 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
4348
4349         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
4350         all sets in the pattern.
4351         * config/rs6000/rs6000.md (stack_protect_testsi,
4352         stack_protect_testdi): Likewise.
4353
4354 2005-07-06  Jeff Law  <law@redhat.com>
4355
4356         * tree-vrp.c (simplify_using_ranges): Kill.
4357         (vrp_finalize): Remove call to simplify_using_ranges.
4358         (simplify_stmt_using_ranges): New function extracted from
4359         simplify_using_ranges.
4360         (simplify_div_or_mod_using_ranges): Likewise.
4361         (simplify_abs_using_ranges): Likewise.
4362         (simplify_cond_using_ranges): New function.
4363         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
4364         * tree-ssa-propagate.c (substitute_and_fold): Call
4365         simplify_stmt_using_ranges if we have range information.
4366
4367 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
4368
4369         * config/ia64/ia64.c (ia64_reorg): Check optimize before
4370         ia64_flag_schedule_isns2.
4371
4372         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
4373         reading/writing general registers.
4374         (ia64_function_arg): Revert 2005-06-18 change.
4375
4376 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4377
4378         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
4379         (legitimize_tls_address): Use gcc_unreachable instead of abort.
4380
4381 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
4382
4383         * function.c (expand_function_end): Revert part of 2005-06-27
4384         patch.  Do sjlj_emit_function_exit_after after return_label.
4385
4386 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4387
4388         * doc/install.texi (--disable-libssp): New.
4389
4390 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
4391
4392         * doc/invoke.texi: Update -fforce-mem documentation.
4393         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
4394         code for -fforce-mem.
4395         * expmed.c: (store_bit_field,store_fixed_bit_field,
4396         extract_bit_field): Ditto.
4397         * expr.c: (convert_move): Ditto.
4398         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
4399         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
4400         emit_conditional_add,expand_float,expand_fix): Ditto.
4401         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
4402         (common_handle_option): Issue warning when -fforce-mem specified.
4403
4404 2005-07-06  Paul Brook  <paul@codesourcery.com>
4405
4406         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4407         argument is empty.
4408         * configure: Regenerate.
4409
4410 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
4411
4412         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4413
4414 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
4415
4416         Fix PR tree-optimization/22319
4417         Fix PR tree-optimization/22140
4418         Fix PR tree-optimization/22310
4419
4420         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4421         variable sized types.
4422         Use correct type for intermediate structure on *a = *b structure
4423         copies.
4424
4425 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4426
4427         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4428         Remove.
4429         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4430         (machine_function): Move typedef to...
4431         * config/rs6000/rs6000.c (machine_function): ... here.  Add
4432         varargs_save_offset field.
4433         (rs6000_stack_t): Remove varargs_size field.
4434         (setup_incoming_varargs): Allocate varargs save area using
4435         assign_stack_local, try to make it as small as possible.
4436         Save offset from virtual_stack_vars_rtx to the save area
4437         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
4438         instead of magic 8 when fp word byte size is used.
4439         (rs6000_va_start): Use cfun->machine->varargs_save_offset
4440         instead of -RS6000_VARARGS_SIZE.
4441         (rs6000_stack_info, debug_stack_info,
4442         rs6000_initial_elimination_offset): Remove all traces of
4443         varargs_size.
4444         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4445         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4446         RS6000_VARARGS_AREA.
4447
4448 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
4449
4450         PR tree-optimization/21963
4451         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4452         constant_multiple_of in the same way get_computation_cost_at does.
4453
4454 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4455
4456         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4457         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4458         (gen_compare_reg): If sparc_compare_emitted is set, clear it
4459         and return its previous value.
4460         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4461         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4462         constants.
4463         (stack_protect_set, stack_protect_test): New expanders.
4464         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4465         stack_protect_testdi): New insns.
4466         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4467         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4468
4469 2005-07-06  Jeff Law  <law@redhat.com>
4470
4471         * tree-ssa-dce.c (cfg_altered): New global.
4472         (tree_dce_init): Initialize cfg_altered.
4473         (remove_dead_stmt): If we remove an edge in the CFG, then set
4474         CFG_ALTERED.
4475         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4476         the dominators.
4477
4478 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4479
4480         * Makefile.in (stamp-collect-ld): Use
4481         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
4482         ./collect-ld if it already exists.
4483         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4484         Don't remove ./nm if it already exists.
4485
4486 2005-07-05  Devang Patel  <dpatel@apple.com>
4487
4488         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4489         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4490         * tree-vectorizer.c (vect_loop_location): New.
4491         (vect_print_dump_info): Use vect_loop_location.
4492         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4493         (vectorize_loops): Set vect_loop_location.
4494         * tree-vect-analyze.c (vect_analyze_offset_expr,
4495         vect_determin_vectorization_factor, vect_analyze_operations,
4496         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4497         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4498         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4499         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4500         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4501         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4502         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4503         vect_analyze_loop): Adjust vect_print_dump_info API.
4504         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4505         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4506         vect_finish_stmt_generation, vectorizable_assignment,
4507         vectorizable_operation, vectorizable_store, vectorizable_load,
4508         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4509         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4510         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4511         vect_transform_loop): Same.
4512         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4513         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4514         Same.
4515
4516 2005-07-05  Randolph Chung  <tausq@debian.org>
4517
4518         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4519         * configure: Regenerate.
4520         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4521         (pa_tls_referenced_p): Declare.
4522         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4523         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4524         (legitimize_tls_address): New.
4525         (hppa_legitimize_address): Handle TLS addresses.
4526         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4527         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4528         (emit_move_sequence): Handle TLS addresses.
4529         (pa_encode_section_info): Call default handler to handle common
4530         sections.
4531         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4532         (CONSTANT_ADDRESS_P): Reject TLS operands.
4533         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4534         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4535         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4536         (UNSPEC_TLSLE): Define new constants.
4537         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4538         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4539         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4540         (tie_symbolic_operand, tle_symbolic_operand): New
4541
4542 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
4543
4544         * aclocal.m4: Update macros for autoconf 2.59 style.
4545         * configure.ac: Likewise.
4546
4547 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4548
4549         * pa.c (function_value): Handle small aggregates on 32-bit targets.
4550         (function_arg): Pass small aggregates in general registers on 32-bit
4551         targets.
4552         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4553
4554 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
4555
4556         * Makefile.in (final.o): Fix dependencies.
4557
4558 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4559
4560         PR c/22013
4561         PR c/22098
4562         * langhooks.h (struct lang_hooks): Add expr_to_decl.
4563         * langhooks.c (lhd_expr_to_decl): New.
4564         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4565         New.
4566         (LANG_HOOKS_INITIALIZER): Update.
4567         * tree.c (recompute_tree_invarant_for_addr_expr): Call
4568         expr_to_decl langhook.
4569         * c-tree.h (c_expr_to_decl): Declare.
4570         * c-typeck.c (c_expr_to_decl): New.
4571         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4572         specially.
4573         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4574
4575 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4576
4577         PR c/22308
4578         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4579         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4580
4581 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
4582
4583         * Makefile.in: Adjust dependencies.
4584         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4585         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4586         * alias.c (rest_of_handle_cfg, pass_cfg): New.
4587         * bb-reorder.c (duplicate_computed_gotos): Make it static.
4588         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4589         rest_of_compilation.
4590
4591         * bb-reorder.c (gate_duplicate_computed_gotos,
4592         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4593         rest_of_handle_reorder_blocks, pass_reorder_blocks,
4594         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4595         pass_partition_blocks): New.
4596         * bt-load.c (gate_handle_branch_target_load_optimize,
4597         rest_of_handle_branch_target_load_optimize,
4598         pass_branch_target_load_optimize): New.
4599         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4600         pass_jump2): New.
4601         * cfglayout.c (pass_insn_locators_initialize): New.
4602         * cfgrtl.c (pass_free_cfg): New.
4603         * combine.c (gate_handle_combine, rest_of_handle_combine,
4604         pass_combine): New.
4605         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4606         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4607         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4608         * except.c (pass_set_nothrow_function_flags,
4609         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4610         pass_rtl_eh): New.
4611         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4612         rest_of_handle_shorten_branches, pass_shorten_branches,
4613         rest_of_clean_state, pass_clean_state): New.
4614         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4615         rest_of_handle_remove_death_notes, pass_remove_death_notes,
4616         rest_of_handle_life, pass_life, rest_of_handle_flow2,
4617         pass_flow2): New.
4618         * function.c (pass_instantiate_virtual_regs, pass_init_function,
4619         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4620         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4621         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4622         pass_gcse): New.
4623         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4624         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4625         pass_rtl_ifcvt, gate_handle_if_after_combine,
4626         rest_of_handle_if_after_combine, pass_if_after_combine,
4627         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4628         pass_if_after_reload): New.
4629         * integrate.c (pass_initial_value_sets): New.
4630         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4631         pass_purge_lineno_notes): New.
4632         * mode-switching.c (rest_of_handle_mode_switching,
4633         pass_mode_switching): New.
4634         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4635         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4636         pass_loop2): New.
4637         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4638         pass_loop_optimize): New.
4639         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4640         pass_sms): New.
4641         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4642         pass_gcse2): New.
4643         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4644         pass_postreload_cse): New.
4645         * profile.c (gate_handle_profiling, pass_profiling,
4646         rest_of_handle_branch_prob, pass_branch_prob): New.
4647         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4648         pass_split_before_regstack, gate_handle_split_before_regstack,
4649         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
4650         rest_of_handle_split_all_insns, pass_split_all_insns): New.
4651         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
4652         pass_stack_regs): New.
4653         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
4654         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
4655         pass_stack_adjustments): New.
4656         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
4657         pass_regrename): New.
4658         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
4659         pass_delay_slots, gate_handle_machine_reorg,
4660         rest_of_handle_machine_reorg, pass_machine_reorg): New.
4661         * rtl.h (extern void purge_line_number_notes): New.
4662         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
4663         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
4664         pass_sched2): New.
4665         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
4666         pass_tracer): New.
4667         * value-prof.c (gate_handle_value_profile_transformations,
4668         rest_of_handle_value_profile_transformations,
4669         pass_value_profile_transformations): New.
4670         * var-tracking.c (gate_handle_var_tracking,
4671         pass_variable_tracking): New.
4672         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
4673
4674         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
4675         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
4676         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
4677         rest_of_handle_old_regalloc, rest_of_handle_regrename,
4678         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
4679         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
4680         rest_of_handle_gcse2, rest_of_handle_regmove,
4681         rest_of_handle_tracer, rest_of_handle_if_conversion,
4682         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
4683         rest_of_handle_web, rest_of_handle_branch_prob,
4684         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
4685         rest_of_handle_jump_bypass, rest_of_handle_combine,
4686         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4687         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4688         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
4689         rest_of_handle_mode_switching, rest_of_handle_jump,
4690         rest_of_handle_eh, rest_of_handle_stack_adjustments,
4691         rest_of_handle_flow2, rest_of_handle_jump2,
4692         rest_of_handle_peephole2, rest_of_handle_postreload,
4693         rest_of_handle_shorten_branches, rest_of_clean_state,
4694         rest_of_compilation): Remove.
4695
4696         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
4697         * passes.c (dump_flags, in_gimple_form, all_passes,
4698         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4699         register_dump_files, next_pass_1, last_verified, execute_todo,
4700         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
4701         from tree-optimize.c.
4702         (init_optimization_passes): Moved from tree-optimize.c,
4703         adding the RTL optimizations.
4704         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
4705         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
4706         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4707         register_dump_files, next_pass_1, last_verified, execute_todo,
4708         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
4709         init_tree_optimization_passes, ipa_passes): Delete.
4710         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
4711         the RTL dumps.
4712         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
4713         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
4714         from tree.h.
4715         (ipa_passes): Remove.
4716         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
4717         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
4718         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
4719         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
4720         (dump_info_p, dump_flag): Moved to tree-dump.h.
4721
4722         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
4723         cgraph.c, opts.c.
4724         * passes.c (finish_optimization_passes): Use dump_begin
4725         and dump_end, TDI_end.
4726         (gate_rest_of_compilation): New.
4727         (pass_rest_of_compilation): Use it.
4728         (gate_postreload, pass_postreload): New.
4729         * toplev.c (general_init): Rename init_tree_optimization_passes.
4730         * toplev.h (init_tree_optimization_passes): Rename to
4731         init_optimizations_passes.
4732         * tree-dump.c (dump_flag): Make static.
4733         (dump_files): Remove RTL dumps.
4734         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
4735         pass_cleanup_cfg, pass_free_cfg_annotations,
4736         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
4737         pass_init_datastructures, pass_fixup_cfg): Make non-static.
4738         * tree-pretty-print.c: Include tree-pass.h.
4739         * cgraph.c: Include tree-dump.h.
4740
4741 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4742
4743         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
4744         Only fall back to saying it points to readonly memory if
4745         we can't do better.
4746
4747 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4748
4749         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
4750         * config/m32r/m32r.c (m32r_compute_frame_size,
4751         m32r_expand_prologue): Take current_function_profile into
4752         account whenever we reference
4753         current_function_uses_pic_offset_table.
4754         (m32r_finalize_pic): Remove.
4755         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
4756
4757 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
4758
4759         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
4760         instead of $<.  Don't remove ./as if it already exists.
4761
4762 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4763
4764         PR target/21723
4765         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
4766         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
4767         for complex modes when generating code for PA 1.0.
4768         (VALID_FP_MODE_P): New macro.
4769         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4770         sets for all general and floating point modes.  Align wide floating
4771         point modes to even register boundaries to comply with architectural
4772         requirements.
4773         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
4774         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
4775         (VALID_FP_MODE_P): New macro.
4776         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4777         sets for all general and floating point modes.  Align wide floating
4778         point modes to even register boundaries to comply with architectural
4779         requirements.
4780
4781 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4782
4783         * tree-dump.c (dump_files): Initialize dump number for .cgraph
4784         to 0.
4785
4786 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4787
4788         * tree-ssa-structalias.c: Don't include expr.h.
4789
4790 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4791
4792         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
4793         comments.
4794
4795 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4796
4797         Fix PR tree-optimization/22279
4798
4799         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
4800         correct operator.
4801
4802 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
4803
4804         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
4805
4806 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4807
4808         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
4809         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
4810         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
4811         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
4812         config/stormy16/stormy16.c, config/v850/v850.c,
4813         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
4814         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
4815         Avoid "." or "\n" at end of diagnostics and capital letters at
4816         start of diagnostics.
4817         * combine.c, cse.c: Don't translate dump file output.
4818         * toplev.c (print_version): Only translate output if going to
4819         stderr.
4820
4821 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4822
4823         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
4824         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
4825         typos.
4826
4827 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4828
4829         * pa.c (fix_range): Fix typo in comment.
4830
4831 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4832
4833         * tree-vrp.c (extract_range_from_assert): Replace
4834         fold (build (...)) with fold_build2.
4835
4836 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4837
4838         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
4839         gcc_gfc_char_table, init_dynamic_gfc_info): New.
4840         (format_types_orig, handle_format_attribute): Add support for
4841         format "gcc_gfc".
4842
4843 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4844
4845         * varasm.c (assemble_variable): Fix format specifier thinko.
4846
4847 2005-07-03  Ira Rosen  <irar@il.ibm.com>
4848
4849         PR tree-optimization/22029 (and 22135)
4850         * tree-pretty-print.c (dump_generic_node): Check that the node is not
4851         a phi node before calling dump_vops.
4852
4853 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4854
4855         * tree-dump.h (dump_string_field): Declare.
4856         * tree-dump.c: Use it instead of dump_string.
4857         (dump_string_field): Make non-static.
4858
4859 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4860
4861         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
4862         up the minimal CFG stuff always when optimize > 0.  Call
4863         split_all_insns_noflow in PIC case if needed.
4864
4865 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4866             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
4867
4868         PR c++/18279
4869         * c-decl.c (c_write_global_declarations): Dump contents of
4870         external scope to.
4871         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
4872         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
4873         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
4874         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
4875         is enabled.
4876
4877 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4878
4879         * c-common.h (GCC_DIAG_STYLE): Define.
4880         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
4881         version for format checking to 4.1.
4882         * c-format.c: Include toplev.h after c-common.h.
4883         (enum format_type): Add gcc_tdiag_format_type.
4884         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
4885         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
4886         (format_types_orig): Add gcc_tdiag.
4887         (init_dynamic_diag_info): Support gcc_tdiag formats.
4888         (handle_format_attribute): Likewise.
4889         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
4890         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
4891         version for format checking to 4.1.
4892         (warning0, warning, error, pedwarn, sorry): Use
4893         ATTRIBUTE_GCC_DIAG.
4894         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
4895         (finish_aliases_1): Do not use %qE.
4896         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
4897         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
4898         Correct format bugs.
4899         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
4900         parameter to unsigned HOST_WIDE_INT.
4901         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
4902
4903 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
4904
4905         PR middle-end/21742
4906         * expr.c (write_complex_part): Use adjust_address for MEM.
4907         (read_complex_part): Same.
4908
4909 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
4910
4911         Fix PR tree-optimization/22280
4912
4913         * tree-sra.c (generate_element_init): Remove useless loop.
4914
4915 2005-07-02  Richard Henderson  <rth@redhat.com>
4916
4917         * config/alpha/alpha.c (alpha_legitimize_address): Check for
4918         TLS_MODEL_NONE.
4919         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
4920
4921 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
4922
4923         PR middle-end/14490
4924         * fold-const.c (fold_binary): Handle the return value of
4925         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
4926         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
4927
4928 2005-07-02  Jeff Law  <law@redhat.com>
4929
4930         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
4931         a eliminate type conversion which feeds an equality comparison
4932         if the original type or either operand in the comparison is a
4933         function pointer.
4934
4935 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
4936
4937         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
4938         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
4939         texts.
4940         * config/avr/avr.c: Do not use '`' as left quote.
4941         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
4942         Remove "." from end of diagnostics.  Make diagnostics start with
4943         lowercase letter.
4944
4945 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
4946             Joseph S. Myers  <joseph@codesourcery.com>
4947
4948         * toplev.c (default_tree_printer): Handle setting location with
4949         '+' flag.
4950         * c-objc.common.c (c_tree_printer): Likewise.
4951         * c-format.c (gcc_diag_flag_specs): Add '+'.
4952         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
4953         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
4954         formats.
4955         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
4956         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
4957         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
4958         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
4959         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
4960         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
4961         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
4962         format arguments where %J is used without %D.
4963
4964 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
4965
4966         * gcc.c (LINK_SSP_SPEC): Define.
4967         (link_ssp_spec): New variable.
4968         (LINK_COMMAND_SPEC): Add %(link_ssp).
4969         (static_specs): Add link_ssp_spec.
4970         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
4971         * configure: Rebuilt.
4972         * config.in: Rebuilt.
4973
4974         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4975         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4976         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4977         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4978         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
4979         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
4980         -0x7008(2) instead of reading __stack_chk_guard variable.
4981         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
4982         number.
4983         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
4984         (stack_protect_set, stack_protect_test): Use *_tls* patterns
4985         if TARGET_THREAD_SSP_OFFSET is defined.
4986         (stack_tls_protect_set_si, stack_tls_protect_set_di,
4987         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
4988
4989         Revert:
4990         2005-06-27  Richard Henderson  <rth@redhat.com>
4991         * libgcc-std.ver (GCC_4.1.0): New.
4992         * libgcc.h (__stack_chk_guard): Declare.
4993         (__stack_chk_fail, __stack_chk_fail_local): Declare.
4994         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
4995         * mklibgcc.in (lib2funcs): Add them.
4996
4997 2005-07-01  Richard Henderson  <rth@redhat.com>
4998
4999         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5000         void * before struct sigcontext *.
5001         (x86_fallback_frame_state): Likewise.
5002
5003 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
5004
5005         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5006
5007 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5008
5009         PR tree-opt/22269
5010         * tree-ssa-reassoc.c (should_transpose): Fix which operand
5011         we check for SSA_NAME for.
5012
5013 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
5014
5015         Fix PR tree-optimization/22071
5016
5017         * tree-ssa-structalias.c (offset_overlaps_with_access): New
5018         function.
5019         (get_constraint_for_component_ref): Use it.
5020
5021 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5022
5023         PR other/22264
5024         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5025         print out the last new line.
5026
5027 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
5028
5029         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5030         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5031         * config/cris/cris.c (cris_conditional_register_usage): Adjust
5032         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5033         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5034         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5035         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5036         (enum reg_class): New member CC0_REGS.
5037         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5038         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5039         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5040         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5041         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5042         Adjust for register now described.
5043
5044 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
5045
5046         PR target/22262
5047         * config/i386/i386.md (stack_protect_test_si,
5048         stack_protect_test_di): Add earlyclobber for scratch 3.
5049         * config/rs6000/rs6000.md (stack_protect_testsi,
5050         stack_protect_testdi): Add earlyclobber for scratch 3,
5051         remove earlyclobber from scratch 4.
5052
5053 Older entries for 2005 can be found in ChangeLog-2005.