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2005-09-01 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-01  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/15366
4         * common.opt: Add -finline-functions-called-once.
5         Put -fearly-inlining in alphabetically ordered place.
6         * doc/invoke.texi: Document new option.
7         * ipa-inline.c (cgraph_decide_inlining): Honour
8         flag_inline_functions_called_once.
9
10 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
11
12         PR rtl-optimization/23478
13         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
14         (alloc_qty): Initialize it.
15         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
16         (combine_regs): Combine also n_throwing_calls_crossed fields.
17         (find_free_reg): Don't attempt to caller-save pseudos crossing
18         calls that might throw.
19         * global.c (struct allocno): Add throwing_calls_crossed field.
20         (global_alloc): Revert 2005-08-22 change.  Initialize
21         throwing_calls_crossed.
22         (find_reg): Don't attempt to caller-save pseudos crossing calls that
23         might throw.
24
25 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
26
27         PR target/23649
28         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
29         (mask64_operand): Reinstate code prior to 2005-06-11 change.
30         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
31         (and64_2_operand): Tweak to use predicate.
32         (and_operand): Adjust for mask_operand changes.
33         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
34         (print_operand): Likewise.
35         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
36         (mask64_1or2_operand): Delete.
37         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
38         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
39         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
40         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
41         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
42         (rotldi3_internal4): Likewise.
43         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
44         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
45         (ashldi3_internal7): Likewise.
46         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
47         (ashldi3_internal, ashldi3_internal9 split): Likewise.
48         (anddi3 split): Don't match mask64_operand.
49         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
50         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
51         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
52         't' splitter predicate.
53         (movdi_internal64 + 2): Revert 2005-06-11 change.
54
55 2005-08-31  DJ Delorie  <dj@redhat.com>
56
57         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
58         (m32c_asm_integer): Add support for 32 bit pointers.
59
60 2005-08-31  Richard Henderson  <rth@redhat.com>
61
62         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
63         component-like references for setting MEM_NOTRAP_P.
64
65         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
66         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
67
68 2005-08-31  Richard Henderson  <rth@redhat.com>
69
70         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
71         into a pseudo before applying gen_lowpart.
72
73 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
74
75         * doc/install.texi (Specific): Update cctools version required
76         for full functionality.
77         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
78         linkers as -macosx_version_min.
79
80 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
81
82         PR target/21255
83         * sh.c (print_operand, %R and %S): Add handling of floating point
84         registers, memory, constants and invalid operands.
85
86 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
87
88         * ipa-pure-const.c: Change dump name.
89
90 2005-08-31 Uros Bizjak <uros@kss-loka.si>
91
92         PR target/23570
93         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
94         to "reg_or_0_operand".
95         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
96
97 2005-08-31  Dale Johannesen  <dalej@apple.com>
98
99         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
100         loops that count down.
101
102 2005-08-31  Richard Henderson  <rth@redhat.com>
103
104         PR rtl-opt/23601
105         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
106         (fixup_eh_region_note): New.
107         (reload_as_needed): Call it.
108         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
109         don't call find_many_sub_basic_blocks; call verify_flow_info.
110         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
111         (keep_stack_depressed): Likewise.
112         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
113
114 2005-08-31  Richard Henderson  <rth@redhat.com>
115
116         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
117         fp return matching.
118
119 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
120
121         * expr.c (expand_expr_real_1): Compare size of address 
122         mode to target's address mode size in deciding expansion of 
123         the constant address.
124
125 2005-08-31  Richard Guenther  <rguenther@suse.de>
126
127         PR middle-end/23477
128         * expr.c (all_zeros_p): New function.
129         (expand_expr_real_1): Handle the case of an all-zero
130         non-addressable constructor separately.
131
132 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
133
134         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
135         arguments, adjust all callers.
136         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
137
138 2005-08-30  Richard Henderson  <rth@redhat.com>
139
140         PR target/23630
141         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
142         whenever the mode sizes match.
143
144 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
145
146         * calls.c (load_register_parameters): Fix comment typo.
147         * expr.c (emit_push_insn): Comment formatting.
148
149 2005-08-30  Ian Lance Taylor  <ian@airs.com>
150
151         * config/i386/x-cygwin (host-cygwin): Change dependency from
152         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
153
154 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
155
156         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
157         parts of 'vals'.
158
159 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
160
161         PR middle-end/23408
162         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
163         call to ggc_collect.
164
165 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
166
167         PR bootstrap/21268
168         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
169         beginning.  Remove $(INCLUDES) from all the rules, if following
170         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
171
172 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
173
174         PR middle-end/23484
175         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
176         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
177         not constant, but maxlen is, don't set len to maxlen, rather
178         set maxlen to len if len is a constant.
179
180 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
181
182         PR tree-optimization/23475
183         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
184         and counts.
185
186 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
187
188         Fix PR middle-end/22455
189
190         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
191         Checksum only the parts of the tree that exist for the tree code.
192
193 2005-08-28  Dale Johannesen  <dalej@apple.com>
194
195         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
196
197 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
198
199         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
200
201 2005-08-28  Richard Henderson  <rth@redhat.com>
202
203         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
204         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
205         of char_type_node.
206
207 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
208
209         PR ada/23593
210         * builtins.c (get_memory_rtx): Don't strip nops
211         in between COMPONENT_REFs.
212
213 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
214
215         PR middle-end/23463
216         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
217         types.
218         (gimplify_modify_expr): Check for zero sized types and gimplify the
219         rhs and lhs as statements.
220
221 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
222
223         PR libgcj/23508
224         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
225         state for return address column of signal frames.
226
227 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
228
229         PR target/23539
230         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
231         bytes >= 2 not bytes == 2.
232         (expand_block_move): Same.
233
234 2005-08-27  Richard Guenther  <rguenther@suse.de>
235
236         PR target/23575
237         * config/i386/sse.md (sse2_movsd): Add missing closing
238         braces.
239
240 2005-08-27  Paul Brook  <paul@codesourcery.com>
241
242         * genrecog.c (enum decision_type): Add DT_num_insns.
243         (struct decision_test): Add u.num_insns.
244         (add_to_sequence): Add DT_num_insns test.
245         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
246         (write_cond, debug_decision_2): Ditto.
247         (change_state): Assume peep2_next_insn never fails.
248         Remove "afterward" argument.
249         (write afterward, write_tree): Update to match.
250         * recog.c (peep2_current_count): New variable.
251         (peep2_next_insn): Check it.
252         (peephole2_optimize): Set peep2_current_count.
253         * recog.h (peep2_current_count): Declare.
254
255 2005-08-26  Josh Conner  <jconner@apple.com>
256
257         PR middle-end/23584
258         * ipa-pure-const.c (check_tree): Check for volatile-ness
259         when considering a dereference.
260
261 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
262
263         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
264
265 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
266
267         PR rtl-optimization/23561
268         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
269         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
270         at most LEN bytes long memory fits into the field.
271         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
272         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
273         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
274
275 2005-08-26  Richard Henderson  <rth@redhat.com>
276
277         PR rtl-opt/23560
278         * loop.c (biased_biv_may_wrap_p): New.
279         (maybe_eliminate_biv_1): Use it to suppress non-equality
280         comparison transformations.  Delete disabled code.
281
282 2005-08-26  Ian Lance Taylor  <ian@airs.com>
283
284         * combine.c (make_extraction): Avoid reference outside object.
285
286 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
287
288         * stor-layout.c (finalize_type_size): Restore behaviour for
289         non-aggregate types to the status quo ante of the patch for
290         pr 23467.  Document why it matters.
291
292 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
293
294         PR c/23506
295         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
296         array by one element, initialize the BT_LAST element with NULL.
297
298 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
299
300         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
301         optimizing for size.
302         (plus_eqsi): Same.
303         (compare_plus_eqsi): Same.
304         (plus_eqsi_compare): Same.
305         (neg_eq0<mode>): Same.
306         (neg_eq<mode>): Same.
307
308         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
309         PROCESSOR_POWER4.
310
311 2005-08-26  Nick Clifton  <nickc@redhat.com>
312
313         * config/v850/v850.c (ep_memory_operand): Return FALSE if
314         TARGET_EP is not defined.
315         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
316         TARGET_EP is enabled.
317         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
318         * config/v850/v850.md (save_all_interrupt): Only use the EP
319         register if TARGET_EP is defined.
320         (restore_all_interrupt): Likewise.
321         * config/v850/lib1funcs.asm: Update functions so that the EP
322         register is only used if __EP__ is defined.
323
324 2005-08-26  David Ung  <davidu@mips.com>
325
326         * config/mips/mips.c (mips_expand_prologue): Handle case when
327         generating for MIPS16 and the outgoing argument area is more than
328         SMALL_OPERAND. Use the frame pointer as temporary to generate the
329         add instruction.
330
331 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
332
333         * config/crx/crx.md: Make doloop_end pattern usage controllable
334         via mloop-nesting=<max-nesting> command line switch. Make sure
335         the combiner cannot use doloop_end_<mode> in an illegal way.
336         * config/crx/crx.c: Use regs up to r6 for argument passing.
337         Refine crx_address_cost (non cst4 displacements are expensive).
338         * config/crx/crx.opt: Add switch for mloop-nesting=.
339
340 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
341
342         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
343         (UNSPEC_MVST): New constant.
344
345 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
346
347         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
348         Reject operands containing eliminable registers.
349         * testsuite/gcc.dg/20050825-1.c: New testcase.
350
351 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
352             Jan Hubicka  <jh@suse.cz>
353
354         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
355
356 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
357
358         PR tree-optimization/23546
359         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
360         and REAL_CST nodes.
361
362 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
363
364         * params.def (PARAM_MIN_SPEC_PROB): New.
365         * sched-rgn.c (MIN_PROBABILITY): Delete.
366         (compute_trg_info): Convert to PARAM_VALUE.
367         * doc/invoke.texi (param): Document min-spec-prob.
368
369 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
370
371         * config/darwin.h: define __PIC__
372         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
373         TARGET_OS_CPP_BUILTINS macro.
374
375 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
376
377         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
378         yesterday.
379
380 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
381
382         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
383         to duplicate_block.
384         * cfghooks.c (duplicate_block): Added position where to place
385         new block as argument.
386         * cfghooks.h (duplicate_block): Declaration changed.
387         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
388         duplicate_block.
389         * cfglayout.h (copy_bbs): Declaration changed.
390         * cfgloop.h (loop_version): Declaration changed.
391         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
392         position to copy_bbs.
393         (loop_version): Pass position to duplicate_loop_to_header_edge.
394         Add place_after argument and position new blocks according to
395         it.
396         * modulo-sched.c (sms_schedule): Pass place_after argument
397         to loop_version.
398         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
399         * tree-cfg.c (split_edge_bb_loc): New function.
400         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
401         to determine position of new blocks.
402         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
403         to loop_version.
404         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
405         argument to duplicate_block.
406         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
407         Pass position to copy_bbs.
408
409 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
410
411         * fold-const.c (ptr_difference_const): Use
412         cst_and_fits_in_hwi instead of host_integerp.
413
414 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
415
416         * config/darwin.c (gen_pic_offset): New.
417         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
418         Use it.
419
420 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
421
422         PR tree-optimization/23486
423         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
424
425 2005-08-23  Phil Edwards  <phil@codesourcery.com>
426
427         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
428         remove use_collect2.
429         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
430
431         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
432         configuration files to override the default value.
433
434         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
435         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
436         * config/vx-common.h:  New file, split out from...
437         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
438         * config/vxworksae.h:  New file, for VxWorks AE.
439         * config/vxworks.opt:  New file.
440         * config/vxlib.c:  Update for VxWorks 6.
441
442         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
443         other MULTILIB_* variables appropriately.
444         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
445         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
446         * config/rs6000/vxworks.h:  Update for VxWorks 6.
447         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
448
449 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
450
451         PR target/20799
452         * config/darwin.c (machopic_select_section): Remove the hack to
453         mark "::operator new" and "::operator delete" for coalescing
454         even though they are not weak.
455
456 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
457
458         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
459         * configure: Regenerate.
460
461 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
462
463         PR middle-end/23517
464         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
465         between vectors.
466         * convert.c (convert_to_integer, convert_to_vector): Likewise.
467         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
468         Likewise.
469
470 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
471
472         * config/rs6000/predicates.md (equality_operator): New.
473         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
474         comparison with a large constant.
475
476 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
477
478         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
479
480 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
481
482         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
483         registers is even, and we have a hardware double precision fp,
484         align the buffer.
485         (sh_gimplify_va_arg_expr): For floating point arguments, consider
486         size of current argument when checking if argument was passed in
487         registers.
488
489         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
490
491         PR middle-end/23467
492         * stor-layout.c (finalize_type_size): Dont override
493         existing alignment with a smaller alignment from the mode.
494
495 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
496
497         * lambda-code.c (lambda_vector_lexico_pos): Moved...
498         * lambda.h (lambda_vector_lexico_pos): ... here.
499         * tree-data-ref.c (build_classic_dist_vector): Return false when
500         the distance vector is lexicographically negative.
501
502 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
503
504         PR tree-optimization/23511
505         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
506         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
507
508 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
509
510         PR tree-optimization/22043
511         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
512         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
513         If ALLOW_FLEXARR, handle types ending with flexible array member.
514         Pass false as second argument to recursive count_type_elements calls.
515         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
516         argument to count_type_elements call.
517         * tree-sra.c (decide_block_copy): Likewise.
518         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
519         for a constant-sized object, set cleared as well.  Pass true as
520         second argument to count_type_elements call.
521
522 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
523
524         PR target/21571
525         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
526         from legitimate_small_data_p, and make global.  Update use.
527         Remove forward declaration.
528         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
529         Declare.
530         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
531
532 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
533
534         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
535         of scratch intermediates.
536         (eq<mode>_compare): Same.
537         (neg_eq0<mode>): New.
538         (neg_eq<mode>): Convert to define_insn_and_split.
539
540 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
541
542         PR target/23070
543         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
544         stdarg functions, set/clear the fp marker even when no variable
545         args are passed.
546         * config/rs6000/sysv4.opt (mprototype): Describe.
547
548 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
549
550         PR rtl-optimization/23478
551         * regs.h (reg_info): Add throw_calls_crossed.
552         (REG_N_THROWING_CALLS_CROSSED): Define.
553         * flow.c (allocate_reg_life_data): Initialize
554         REG_N_THROWING_CALLS_CROSSED.
555         (propagate_one_insn, attempt_auto_inc): Update
556         REG_N_THROWING_CALLS_CROSSED.
557         * global.c (global_alloc): Don't allocate pseudos across
558         calls that may throw.
559
560 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
561
562         PR c/18715
563         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
564         value is inbetween the range if we did not find an exact match.
565
566 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
567
568         * doc/invoke.texi (Option Summary): Add ms1 options.
569         * doc/extend.texi: Document interrupt handler attribute for ms1.
570         * doc/md.texi: Document ms1 constraints.
571         * config.gcc: Add ms1-*-elf.
572         * config/ms1/ms1.h: New.
573         * config/ms1/ms1.c: New.
574         * config/ms1/ms1.md: New.
575         * config/ms1/ms1-protos.h: New.
576         * config/ms1/ABI.txt: New.
577         * config/ms1/crti.asm: New.
578         * config/ms1/crtn.asm: New.
579         * config/ms1/lib2extra-funcs.c: New.
580         * config/ms1/t-ms1: New.
581         * config/ms1/ms1.opt: New.
582
583 2005-08-22 Ira Rosen <irar@il.ibm.com>
584
585         * config/rs6000/altivec.md (xorv4sf3): New.
586         (negv4sf2, neg<mode>2): Likewise.
587
588 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
589
590         PR target/23485
591         * config/ia64/ia64.md (divsi3): Check divide by zero.
592         (udivsi3): Likewise.
593         (divdi3): Likewise.
594         (udivdi3): Likewise.
595
596 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
597
598         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
599         up to elem_bitsize bits, not max_bitsize.
600
601 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
602
603         PR tree-optimization/23433
604         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
605         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
606
607 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
608
609         PR tree-optimization/23434
610         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
611         the iteration bound is not an INTEGER_CST.
612
613 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
614
615         * tree-vect-transform.c (get_initial_def_for_reduction): Set
616         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
617         NULL if need_epilog_adjust is false.
618         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
619         Case 3 always peels first itration, not just for PLUS case, and no need
620         to use scalar_initial_def here. Create an epilog adjustment only if
621         scalar_initial_def is not NULL.
622
623         (vectorizable_reduction): Remove assert. 
624
625 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
626
627         PR target/23485
628         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
629         (__moddi3): Likewise.
630         (__udivdi3): Likewise.
631         (__umoddi3): Likewise.
632         (__divsi3): Likewise.
633         (__modsi3): Likewise.
634         (__udivsi3): Likewise.
635         (__umodsi3): Likewise.
636
637 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
638
639         * tree-pass.h (TDF_GRAPH): Define.
640         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
641         * passes.c (finish_optimization_passes): Only call
642         finish_graph_dump_file if TDF_GRAPH is set.
643         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
644         NULL.  Set TDF_GRAPH bit.
645         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
646
647 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
648
649         * arm.h (arm_stack_offsets): Add locals_base field.
650         * arm.c (arm_get_frame_offsets): Compute it.
651         (thumb_compute_initial_elimination offset): Make the Thumb frame
652         pointer point to the base of the local variables.
653         (thumb_expand_prologue): Update accordingly.
654         (thumb_expand_epilogue): Likewise.
655
656         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
657         mode of clobbered scratch to DImode.  Handle a case that's known to
658         need this.
659
660 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
661
662         * config/rs6000/rs6000.md (gt0<mode>): Delete.
663         (gt0<mode>_compare): Delete.
664         (neg_gt0<mode>): Delete.
665
666 2005-08-19  Eric Christopher  <echristo@apple.com>
667
668         * optabs.h: Change CTI_ to COI_.
669         * optabs.c: Ditto.
670
671 2005-08-19  James E Wilson  <wilson@specifix.com>
672
673         * builtins.c (expand_builtin_return_addr): Set
674         current_function_accesses_prior_frames when count != 0.  Use
675         frame_pointer_rtx when count == 0.
676         * function.h (struct function): Add accesses_prior_frames field.
677         (current_function_accesses_prior_frames): Define.
678         * reload1.c (init_elim_table): Check
679         current_function_accesses_prior_frames.
680         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
681
682 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
683
684         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
685         indicator.  Return true if the flowgraph changed during
686         cleanup.
687
688 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
689
690         PR 23476
691         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
692         conditional expression before testing its value.
693
694 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
695
696         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
697
698 2005-08-19  Devang Patel  <dpatel@apple.com>
699
700         PR tree-optimization/23048
701         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
702         third parameter. Check whether latch is dominated by exit
703         block or not.
704         (if_convertible_loop_p): Supply exit block itself to
705         if_convertible_bb_p.
706
707 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
708
709         PR target/23473
710         * arm.md (arm_load_pic_register): Change argument to the mask of
711         saved registers.  Call thumb_find_work_register if we need a
712         scratch register on Thumb.
713         (arm_expand_prologue): Pass empty register set to
714         arm_load_pic_register.
715         (thumb_expand_prologue): Pass live_regs_mask directly to
716         arm_load_pic_register.
717         * arm-protos.h (arm_load_pic_register): Update prototype.
718
719 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
720
721         * sh.c (find_sole_member): New function.
722         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
723         if the record's alignment is larger than the size of its only member.
724
725 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
726
727         PR target/23436
728         * arm.c (thumb_legitimize_reload_address): New function.
729         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
730         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
731
732 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
733
734         * config/crx/crx.c: Implement crx_decompose_address. Reject
735         symbolic displacements since CRX register relative adressing
736         mode can't handle unsigned 32-bit values as displacements.
737         * config/crx/crx.h: Simplify definitions, remove redundant
738         parenthesis and obsolete macros.
739         * config/crx/crx.opt: Add new switch for debugging addresses.
740         * config/crx/crx-protos.h: Add new declarations for above.
741
742 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
743
744         PR middle-end/20624
745         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
746         looking past it.
747
748 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
749
750         * collect2.c (dup2): Delete.
751         * configure.ac: Don't check for dup2.
752
753         * config.in, configure: Regenerate.
754
755 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
756
757         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
758         record with the type of its only member.
759
760 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
761
762         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
763         define_insn_and_split.
764         (plus_ltu<mode>_compare): Same.
765         (gtu<mode>_compare): Same.
766         (plus_gtu<mode>_compare): Same.
767
768 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
769
770         PR tree-optimization/22228
771         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
772         todo_flags_start.
773         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
774         are recorded in vect_vnames_to_rename for renaming.
775         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
776         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
777         in vect_vnames_to_rename.
778         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
779         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
780
781 2005-08-18  Jan Hubicka  <jh@suse.cz>
782
783         PR c++/22034
784         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
785         info only for local statics, not for member variables.
786
787 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
788
789         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
790
791 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
792
793         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
794
795 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
796
797         PR middle-end/16045
798         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
799
800 2005-08-17  James E Wilson  <wilson@specifix.com>
801
802         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
803         array size check.
804
805 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
806
807         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
808         (leu<mode>_compare): Same.
809         (plus_leu<mode>): Same.
810         (neg_leu<mode>): Same.
811         (and_neg_leu<mode): Same.
812         (ltu<mode>_compare): Same.
813         (plus_ltu<mode>): Same.
814         (geu<mode>): Same.
815         (geu<mode>_compare): Same.
816         (plus_geu<mode>): Same.
817         (neg_geu<mode>): Same.
818         (and_neg_geu<mode>): Same.
819         (plus_gt<mode>): Same.
820         (gtu<mode>_compare): Same.
821         (plus_gtu<mode>): Same.
822
823 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
824
825         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
826         Move call_table_data to end.  Delete spurious .text.
827         (callt_save_all_interrupt): Fix comment typo.
828
829 2005-08-17  James E Wilson  <wilson@specifix.com>
830             Kevin Winchester  <winchester@amirix.com>
831
832         PR target/21684
833         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
834
835 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
836
837         PR target/23268
838         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
839         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
840
841 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
842
843         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
844         record with the type of its only member if the modes don't match.
845
846         * varasm.c (decode_reg_name): Skip empty additional register names.
847
848 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
849
850         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
851         lsm_tmp_name_length): New.
852         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
853         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
854
855 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
856             Andreas Krebbel  <krebbel1@de.ibm.com>
857
858         * config.gcc: Added z9-109 switch.
859         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
860         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
861         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
862         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
863         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
864         for "z9_109" cpu attribute.
865         * config/s390/s390.c (z9_109_cost): New processor cost structure.
866         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
867         (s390_handle_arch_option): Added z9-109 switch.
868         (override_options): Set respective cost function for z9-109.
869         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
870         (legitimate_reload_constant_p): Accept extended immediates.
871         (print_operand): Three new output modifiers added: k, m and o.
872         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
873         (s390_output_mi_thunk): Use extended immediate when possible.
874         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
875         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
876         (CONSTRAINT_LEN): Added length of O constraint.
877         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
878         * config/s390/s390.md ("cpu"): New value z9_109 added.
879         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
880         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
881         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
882         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
883         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
884         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
885         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
886         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
887         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
888         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
889         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
890         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
891         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
892         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
893         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
894         immediates.
895         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
896         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
897         insns for TARGET_EXTIMM.
898
899 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
900
901         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
902
903 2005-08-17  Nick Clifton  <nickc@redhat.com>
904
905         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
906         Call default_encode_section_info.
907
908 2005-08-17  Steven Bosscher  <stevenb@suse.de>
909
910         PR tree-optimization/21574
911         * tree-ssa-ccp.c (likely_value): If the right hand side is a
912         constant, return CONSTANT.
913         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
914         (ccp_fold, visit_assignment): Likewise.
915         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
916
917 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
918
919         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
920         fold_buildN instead of buildN then fold_initializer or fold.
921         (build_unary_op): Likewise.
922         (build_binary_op): Likewise.
923         * fold-const.c (fold_initializer): Remove.
924         (fold_build1_initializer): New function.
925         (fold_build2_initializer): New function.
926         (fold_build3_initializer): New function.
927         * tree.h (fold_initializer): Remove.
928         (fold_build1_initializer): New function.
929         (fold_build2_initializer): New function.
930         (fold_build3_initializer): New function.
931
932 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
933
934         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
935         (try_move_mult_to_index): Call fold_build2 instead of build2.
936         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
937         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
938         fold_binary_to_constant.
939         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
940         fold (build.
941         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
942         check if A == gcd (A, B).  Remove TYPE argument.
943         (analyze_offset) Use fold_build2 instead of fold (build.
944         (create_data_ref): Likewise.
945         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
946         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
947         then fold.
948
949 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
950
951         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
952         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
953
954 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
955
956         PR tree-opt/23402
957         * gimplify.c (zero_sized_type): New function.
958         (gimplify_modify_expr_rhs): If we have a zero sized type,
959         replace the statement with an empty statement.
960
961 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
962
963         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
964         fxsave.
965
966 2005-08-16  Ian Lance Taylor  <ian@airs.com>
967
968         * doc/tm.texi (Label Output): Correct typo.
969
970 2005-08-16  Steven Bosscher  <stevenb@suse.de>
971
972         PR target/23376
973         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
974         force_operand will work later on using have_insn_for.
975
976 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
977
978         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
979
980 2005-08-16  Ian Lance Taylor  <ian@airs.com>
981
982         PR c++/23337
983         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
984         vector type, don't try to construct it element by element.  Add an
985         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
986
987 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
988
989         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
990
991 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
992
993         * doc/invoke.texi (Precompiled Headers): Document some more options
994         which are known to be safe.
995
996 2005-08-16  James E Wilson  <wilson@specifix.com>
997
998         PR tree-optimization/21105
999         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1000         TREE_OVERFLOW check.
1001
1002 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
1003
1004         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1005         (neg_ltu<mode>): Same.
1006         (gtu<mode>): Same.
1007         (neg_gtu<mode>): Same.
1008
1009 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1010
1011         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1012         (fold_builtin_isdigit): Use fold_buildN.
1013         (build_function_call_expr): Likewise.
1014         * c-typeck.c (c_finish_loop): Likewise.
1015
1016 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
1017             Richard Shann <rshann@superh.com>
1018
1019         PR middle-end/20396:
1020         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1021
1022 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
1023
1024         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1025
1026 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1027
1028         PR target/23355
1029         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1030         arm_compure_save_reg0_reg12_mask to determine when the PIC register
1031         must be saved.
1032
1033 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1034
1035         PR middle-end/23369
1036         * fold-const.c (build_range_check): Disable optimization for function
1037         pointer expressions on targets that require function pointer
1038         canonicalization.
1039
1040 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
1041
1042         * simplify-rtx.c (simplify_const_relational_operation): When
1043         extracting arguments of a COMPARE, recompute the mode as well.
1044
1045 2005-08-15  Ian Lance Taylor  <ian@airs.com>
1046
1047         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1048
1049 2005-08-15  DJ Delorie  <dj@redhat.com>
1050
1051         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1052         the stack.
1053         (movsi_splittable): Allow, but split, moves to the stack.
1054         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1055         stack.
1056
1057 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1058
1059         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1060         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1061         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1062
1063         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1064         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1065         Delete HOST_PTR_PRINTF.
1066
1067         * configure, config.in: Regenerate.
1068
1069 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
1070
1071         * config/rs6000/rs6000.md (QHSI): New mode macro.
1072         (wd): Extend mode attr for QImode and HImode
1073         (dbits): New mode attr.
1074         (zero_extend<mode>di2): Convert to mode macro.
1075
1076 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
1077
1078         PR target/21841
1079         * doc/invoke.texi (-mgnu-ld): Update description.
1080         (-mhp-ld): Ditto.
1081
1082 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1083
1084         PR 23391
1085         * Makefile.in (tree-chrec.o): Depends on real.h.
1086         * tree-chrec.c: Include real.h.
1087         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1088         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1089         * tree-scalar-evolution.c (add_to_evolution_1,
1090         interpret_rhs_modify_expr): Ditto.
1091
1092 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1093
1094         PR 23386
1095         * tree-data-ref.c (estimate_niter_from_size_of_data): When
1096         step is negative compute the estimation from init downwards to zero.
1097
1098 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
1099
1100         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1101
1102 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1103
1104         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1105         constraint.
1106         (legitimate_reload_constant_p): Fix handling of lliXX operands.
1107         Accept double-word constants that can be split.
1108         * config/s390/s390.md ("movti"): Use 'P' constraint.
1109         ("*movdi_31", "*movdf_31"): Likewise.
1110
1111 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
1112
1113         Fix PR tree-optimization/22615
1114
1115         * tree-ssa-structalias.c (solution_set_add): Handle
1116         first_vi_for_offset returning NULL.
1117         (do_da_constraint): Ditto.
1118         (do_sd_constraint): Ditto.
1119         (do_ds_constraint): Ditto
1120         (find_func_aliases): Ditto.
1121         (build_constraint_graph): RHS is allowed be ANYTHING.
1122         (first_vi_for_offset): Return NULL if we couldn't find anything at
1123         the offset.
1124
1125 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1126
1127         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1128         over memory as first operand.
1129
1130 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
1131
1132         PR target/23360
1133         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1134         available for setting it.
1135
1136 2005-08-14  Ira Rosen  <irar@il.ibm.com>
1137
1138         PR tree-optimization/23320
1139         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1140         data-refs' types instead of base object nullness. Add check for
1141         pointer type data-refs before first location comparison. Remove
1142         assert.
1143
1144 2005-08-14  Andreas Schwab  <schwab@suse.de>
1145
1146         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1147
1148 2005-08-13  James E Wilson  <wilson@specifix.com>
1149
1150         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1151         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1152         -fstack-protector-all, --param ssp-buffer-size): Document.
1153         (-Wvariadic-macros): Alphabetize.
1154         (-fsched-stalled-insns-dep): Add missing 'f'.
1155
1156         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1157         macros.
1158
1159 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
1160
1161         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1162         or indirect address operand.
1163         (EXTRA_ADDRESS_CONSTRAINT): New.
1164         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1165
1166 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
1167
1168         PR tree-optimization/22236
1169         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1170         successors and predecessors.
1171         * tree-chrec.c (chrec_convert): Before converting, check that
1172         sequences don't wrap.
1173         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1174         (analyze_array): Extern.
1175         (find_data_references_in_loop): Remove call to
1176         compute_estimated_nb_iterations.
1177         * tree-data-ref.h (analyze_array): Declared.
1178         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1179         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1180         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1181         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1182         condition.
1183         * tree-ssa-loop-ivcanon.c: Fix documentation.
1184         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1185         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1186         (infer_loop_bounds_from_undefined): New.
1187         (estimate_numbers_of_iterations_loop): Use
1188         infer_loop_bounds_from_undefined.
1189         (used_in_pointer_arithmetic_p): New.
1190         (scev_probably_wraps_p): Pass an extra parameter.  Call
1191         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
1192         (convert_step): Fix documentation.
1193         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1194         Use initial_condition_in_loop_num and evolution_part_in_loop_num
1195         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
1196         scev_probably_wraps_p.
1197
1198 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
1199
1200         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1201         (s390_register_info): Ignore clobbered_regs information for fixed
1202         registers, and only fixed registers.
1203         (s390_init_frame_layout): Remove redundant call.
1204
1205 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
1206
1207         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1208         description of -Wold-style-casts.
1209
1210 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1211             Jakub Jelinek  <jakub@redhat.com>
1212
1213         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1214         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1215         * config/s390/s390.c (print_operand): New output modifier 'G' added.
1216         (get_thread_pointer): Renamed to s390_get_thread_pointer.
1217         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1218         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1219         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1220         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1221         ("stack_protect_set", "stack_protect_test"): New expanders.
1222         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1223         "stack_protect_testdi"): New insn definitions.
1224
1225 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1226
1227         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1228
1229 2005-08-12  Paul Brook  <paul@codesourcery.com>
1230
1231         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1232
1233 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1234
1235         * config/s390/predicates.md (setmem_operand): New predicate.
1236         (shift_count_operand): Accept ANDs with special constants as
1237         operand.
1238         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1239         with special constants.
1240         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1241         shift_count_operand with setmem_operand.
1242
1243 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1244
1245         * config/s390/s390.c (s390_extract_part, s390_single_part):
1246         Type cast added.
1247         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1248         (s390_output_mi_thunk): Don't use lg on 31 bit.
1249         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1250         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1251
1252 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1253
1254         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1255         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1256         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1257         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1258         with one of the new macros.
1259
1260 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1261
1262         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1263         Don't set save_return_addr_p.
1264         (s390_register_info): Make clobbered_regs not depending on
1265         save_return_addr_p.
1266
1267 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1268
1269         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1270         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1271
1272 2005-08-11  James E. Wilson  <wilson@specifix.com>
1273
1274         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1275
1276 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
1277
1278         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1279         locations gathered by var-tracking in single entry loc_list
1280         over loc_descriptor_from_tree.
1281
1282         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1283         pass it down to loc_descriptor.
1284         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1285         (containing_function_has_frame_base): Move earlier in the file.
1286         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1287         instead of always assuming fbreg can't be used.
1288
1289 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
1290
1291         * config/rs6000/altivec.md: Change constraint "m" to "Z".
1292         * config/rs6000/predicates.md (indexed_or_indirect_operand):
1293         Accept address wrapped in AND for Altivec.
1294         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1295         Strip AND wrapping offset address for Altivec.
1296
1297 2005-08-11  Richard Henderson  <rth@redhat.com>
1298
1299         PR middle-end/23312
1300         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1301         before using TYPE_IS_SIZETYPE.
1302
1303 2005-08-11  Richard Henderson  <rth@redhat.com>
1304
1305         PR target/22225
1306         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1307         insn types not present on ev4.
1308         (alphaev5_insn_pipe): Similarly.
1309
1310 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1311
1312         PR target/23250
1313         * arm.c (arm_override_options): If the user has selected callee-super-
1314         interworking, then enable normal interworking.
1315
1316 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1317
1318         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1319         redefinition.
1320
1321 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
1322
1323         * doc/rtl.texi: Fix two typos.
1324
1325 2005-08-11  Richard Guenther  <rguenther@suse.de>
1326
1327         PR target/23289
1328         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1329         cases where we call to/from functions returning void.
1330
1331 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
1332
1333         PR c++/23225
1334         * tree.c (build_pointer_type_for_mode): Robustify.
1335
1336 2005-08-10  James E Wilson  <wilson@specifix.com>
1337
1338         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1339         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1340
1341         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1342         "cum->".
1343
1344 2005-08-10  Eric Christopher  <echristo@apple.com>
1345
1346         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1347         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1348         V2DFmode.
1349
1350 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
1351
1352         PR target/21887
1353         * config/darwin.c (machopic_indirect_data_reference): Use a new register
1354         for the high part when generating dynamic-no-pic code.
1355
1356 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1357
1358         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1359         (x86_64-*-linux*): Likewise.
1360
1361         * config/i386/crtfastmath.c: New file.
1362         * config/i386/t-crtfm: Likewise.
1363
1364         * config/i386/linux.h (ENDFILE_SPEC): New.
1365         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1366
1367         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1368         crtfastmath.o.
1369
1370 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
1371
1372         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1373         (vec_shl, vec_shr): Document new operations.
1374         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1375
1376 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
1377
1378         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1379         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1380         change predicate to indexed_or_indirect_address.
1381
1382 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1383
1384         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1385         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1386         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1387         and __aeabi_uwrite8.
1388         * config/arm/unaligned-funcs.c: New file.
1389         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1390
1391 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1392
1393         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1394         Add dump.
1395         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1396         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1397         Add dump.
1398         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1399         * final.c (pass_shorten_branches): Add dump.
1400         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1401         (pass_life): Rename dump.
1402         (rest_of_handle_flow2): Remove initial verify_flow_info.
1403         * function.c (pass_instantiate_virtual_regs): Add dump.
1404         * integrate.c (pass_initial_value_sets): Add dump.
1405         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1406         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1407         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1408         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1409         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1410         gate_rtl_unrool_and_peel_loops): New.
1411         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1412         rtl_doloop): Do not look at flags.
1413         * mode-switching.c (pass_mode_switching): Add dump.
1414         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1415         pass_split_before_regstack): Add dump.
1416         * regmove.c (pass_stack_adjustments): Add dump.
1417         * tree-optimize.c (pass_fixup_cfg): Add dump.
1418
1419 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1420
1421         PR 23309
1422         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1423         deciding which instruction sequence to use.
1424
1425 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1426
1427         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1428         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1429
1430 2005-08-09  Richard Guenther  <rguenther@suse.de>
1431
1432         * c-common.c (builtin_function_2): Remove.
1433         (def_builtin_1): New function.
1434         (c_common_nodes_and_builtins): Use def_builtin_1 to
1435         build builtin functions.
1436
1437 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1438
1439         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1440         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1441         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1442         Visual DSP.
1443
1444 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1445
1446         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1447         fold_binary instead of fold_build2 since we don't care about the
1448         resulting tree.
1449         (loop_niter_by_eval): Likewise.
1450         (compare_trees): Likewise.
1451         (proved_non_wrapping_p): Likewise.
1452
1453 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1454
1455         PR c/23161
1456         PR c/23165
1457         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1458         if the if is really empty.
1459
1460 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1461
1462         PR tree-optimization/23234
1463         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1464         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1465         argument of the new enum.
1466         (execute_cse_reciprocals): Add reciprocals for function arguments
1467         on the unique successor edge of the entry block.  Update other calls
1468         to execute_cse_reciprocals_1.
1469
1470 2005-08-08  Richard Henderson  <rth@redhat.com>
1471
1472         PR 22439
1473         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1474
1475 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1476
1477         * expr.c (write_complex_part): Return after handling MEM.
1478
1479 2005-08-08  Josh Conner  <jconner@apple.com>
1480
1481         PR rtl-optimization/23241
1482         * combine.c (simplify_comparison): Fix error in determining
1483         whether to lift a subreg from comparison.
1484
1485 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
1486
1487         PR target/18506
1488         * config/rs6000/altivec.md (vec_init<mode>): New.
1489         (vec_set<mode>): New.
1490         (vec_extract<mode>): New.
1491         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1492         (rs6000_expand_vector_set): New.
1493         (rs6000_expand_vector_extract): New.
1494         (rs6000_legitimate_offset_address_p): Offset addresses are valid
1495         for Altivec modes before reload.
1496         (altivec_expand_vec_init_builtin): New.
1497         (get_element_number): New.
1498         (altivec_expand_vec_set_builtin): New.
1499         (altivec_expand_vec_ext_builtin): New.
1500         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1501         builtins.
1502         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1503         builtins.
1504         * config/rs6000/rs6000.h (rs6000_builtins): Add
1505         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1506         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1507         * config/rs6000/rs6000-protos.h: Declare new functions.
1508
1509 2005-08-08  Jan Hubicka  <jh@suse.cz>
1510
1511         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1512         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1513         * i386.md (movdi*): Use pic_32bit_operand.
1514         * predicates.md (pic_32bit_operand): New.
1515
1516 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
1517
1518         PR c++/21166
1519         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1520
1521 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
1522
1523         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1524         (test_for_singularity): Use fold_build2.
1525
1526 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1527
1528         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1529
1530 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
1531
1532         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1533         (COMMON_ASM_OP) Define.
1534         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1535         (ix86_encode_section_info): Likewise.
1536         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1537         SUBTARGET_ENCODE_SECTION_INFO.
1538
1539 2005-08-06  Richard Henderson  <rth@redhat.com>
1540
1541         PR 21894
1542         * tree-nested.c (convert_local_reference): Save and restore val_only
1543         around component_ref and friends.  Clear walk_subtrees by default.
1544
1545 2005-08-06  Peter O'Gorman  <peter@pogma.com>
1546
1547         PR 21366
1548         * gcc.c (process_command): Check the argument to -b has a dash.
1549         * doc/invoke.texi: Update -b and -V docs.
1550
1551 2005-08-06  James E Wilson  <wilson@specifix.com>
1552
1553         * config/mips/cross64.h, config/mips/t-cross64: Delete.
1554
1555 2005-08-06  Michael Matz  <matz@suse.de>
1556
1557         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1558         member only if only one insn is associated with the value.
1559
1560 2005-08-06  Nick Clifton  <nickc@redhat.com>
1561
1562         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1563         New define.
1564         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1565         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1566         Check symbol flags instead of symbol name mangling.
1567         (xstormy16_asm_output_aligned_common): Likewise.  Also
1568         simplify code since the bss100_section cass is the only case
1569         where the below100 code will be triggered.
1570         (xstormy16_encode_section_info): Encode below100 attribute
1571         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1572         the name.
1573         (xstormy16_strip_name_encoding): Delete - this function is no
1574         longer needed.
1575         (TARGET_STRIP_NAME_ENCODING): Undefine.
1576         * config/stormy16/stormy16-protos.h: Delete prototype for
1577         xstormy16_strip_name_encoding.
1578
1579 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
1580
1581         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1582         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1583         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1584         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1585         config/alpha/predicates.md, config/arc/arc.h,
1586         config/arm/arm.h, config/arm/ieee754-df.S,
1587         config/arm/ieee754-sf.S, config/bfin/bfin.c,
1588         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1589         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1590         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1591         config/m68hc11/m68hc11.h, config/mips/mips.c,
1592         config/mips/mips.h, config/mips/openbsd.h,
1593         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1594         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1595         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1596         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1597         config/sparc/linux.h, config/sparc/linux64.h,
1598         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1599         doc/extend.texi, doc/gcov.texi, doc/install.texi,
1600         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1601         typos.  Follow spelling conventions.
1602
1603 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
1604
1605         PR c/23113
1606         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1607         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1608         specially.  Check for side effects only for COND_EXPR.
1609         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1610         return with TREE_NO_WARNING.
1611
1612 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
1613
1614         PR rtl-optimization/23233
1615         * loop.c (combine_movables): Require the modes to be the same.
1616         (move_movables): Remove handling of cases where the replacement
1617         had a different mode to the original.
1618
1619 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
1620
1621         PR tree-optimization/23128
1622         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1623         subtraction wrap, and set TREE_OVERFLOW if they do.
1624
1625 2005-08-05  Richard Henderson  <rth@redhat.com>
1626
1627         PR 21728
1628         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1629         FORCED_LABEL labels.
1630
1631 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
1632
1633         PR middle-end/23135
1634         * reload.c (find_reloads_subreg_address): Pass down TYPE
1635         unchanged.  Change all callers except find_reloads_toplev.
1636
1637 2005-08-05  Michael Matz  <matz@suse.de>
1638
1639         * genattrtab.c (current_alternative_string): Remove.
1640         (SIMPLIFY_ALTERNATIVE): Ditto.
1641         (attr_alt_bit_p): Ditto.
1642         (alternative_name): Make const char *.
1643         (evaluate_eq_attr): Remove use of above things.
1644         (simplify_test_exp): Ditto.
1645         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1646         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1647
1648 2005-08-04  James E Wilson  <wilson@specifix.com>
1649
1650         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1651         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1652         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1653         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1654         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1655
1656 2005-08-04  Richard Henderson  <rth@redhat.com>
1657
1658         PR 21529
1659         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1660         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1661         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
1662         if we'd have to instantiate too many members.
1663
1664 2005-08-04  Richard Henderson  <rth@redhat.com>
1665
1666         PR 21291
1667         * tree-outof-ssa.c (coalesce_asm_operands): New.
1668         (coalesce_ssa_name): Use it.  Split out ...
1669         (coalesce_phi_operands, coalesce_result_decls): ... these.
1670
1671 2005-08-04  Paul Brook  <paul@codesourcery.com>
1672
1673         * read-rtl.c (read_quoted_string): Break if EOF.
1674
1675 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
1676
1677         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1678         (fold_build2): Likewise.
1679         (fold_build3): Likewise.
1680         (fold_build1_stat): New function prototype.
1681         (fold_build2_stat): Likewise.
1682         (fold_build3_stat): Likewise.
1683         * fold-const.c (fold_build1): Rename to ..
1684         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1685         through to build1_stat.
1686         (fold_build2): Rename to ..
1687         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1688         through to build2_stat.
1689         (fold_build3): Rename to ..
1690         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1691         through to build3_stat.
1692
1693 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
1694             Ian Lance Taylor  <ian@airs.com>
1695
1696         * function.c (assign_stack_local_1): Do not correct stack slot
1697         address if allocation size is smaller than mode size.
1698
1699 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
1700
1701         PR 22037
1702         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1703         (tree_merge_blocks): Propagate anything allowed by
1704         may_propagate_copy.
1705         Clarify documentation.
1706         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1707         SSA form, schedule an update if necessary.
1708
1709 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
1710
1711         * doc/install.texi (Binaries): Remove broken link to
1712         Sinix/Reliant Unix binaries.
1713
1714 2005-08-03  Richard Henderson  <rth@redhat.com>
1715
1716         PR 23221
1717         * function.c (stack_protect_epilogue): Export.
1718         * tree.h (stack_protect_epilogue): Declare.
1719         * calls.c (expand_call): Call it.
1720
1721 2005-08-03  Eric Christopher  <echristo@apple.com>
1722
1723         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1724         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1725         spec.
1726
1727 2005-08-04  Jan Hubicka  <jh@suse.cz>
1728
1729         * profile.c (branch_prob): Split edges with goto locus on them
1730         to get proper line counts.
1731         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1732
1733 2005-08-03  Paul Brook  <paul@codesourcery.com>
1734
1735         * function.c (assign_parms): Round current_function_args_size
1736         to PARM_BOUNDARY, not STACK_BOUNDARY.
1737
1738 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
1739
1740         * config/i386/i386.c (x86_elf_aligned_common)
1741         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1742
1743 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
1744
1745         PR tree-optimization/23157
1746         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1747         before emitting them.
1748
1749 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1750
1751         PR tree-optimization/19899
1752         * Makefile.in (tree-scalar-evolution.o): Add real.h.
1753         * tree-scalar-evolution.c: Include real.h.
1754         (add_to_evolution): Build constant -1 of correct type.
1755
1756 2005-08-03  Jan Hubicka  <jh@suse.cz>
1757
1758         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1759         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1760         profile updating for complette unrolling.
1761         * loop-unroll.c (peel_loop_completely): Use it.
1762         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1763         (tree_unroll_loops_completely): Disable code growing unrolling of cold
1764         loops.
1765
1766 2005-08-03  Paul Brook  <paul@codesourcery.com>
1767
1768         * combine.c (can_change_dest_mode): New function.
1769         (try_combine, simplify_set): Use it.
1770
1771 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
1772
1773         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1774         TFmode to BLKmode.
1775
1776 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
1777
1778         * doc/install.texi (Specific): Adjust link to openavr.org.
1779         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1780         (Binaries): Adjust HP-UX Porting Center link.
1781         (Binaries): Adjust Free Software Foundation ordering link.
1782
1783 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
1784
1785         * convert.c (convert_to_integer): Use fold_build1 instead of
1786         build1 when converting an integer to an integer.
1787
1788 2005-08-02  Richard Henderson  <rth@redhat.com>
1789
1790         * combine.c (combine_instructions): Don't use reg_equal/equiv
1791         results if the mode doesn't match.
1792
1793 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
1794
1795         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1796         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1797
1798 2005-08-02  Richard Henderson  <rth@redhat.com>
1799
1800         PR 23196
1801         * explow.c (memory_address): Remove special-case for
1802         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1803
1804 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
1805
1806         PR 23164
1807         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1808         number of calls to cleanup_tree_cfg_1.
1809
1810 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
1811
1812         * doc/invoke.texi: document file extensions .F90 and .F95
1813
1814 2005-08-02  Richard Guenther  <rguenther@suse.de>
1815
1816         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1817         positive if its first argument is positive.
1818
1819 2005-08-02  Richard Guenther  <rguenther@suse.de>
1820
1821         PR tree-optimization/23177
1822         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1823         on TMR_TAG.
1824
1825 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
1826
1827         PR tree-optimization/23129
1828         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1829         varying for divisions with anti-ranges.
1830
1831 2005-08-02  Jan Hubicka  <jh@suse.cz>
1832
1833         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1834         * tree-ssa-threadupdate.c (thread_block): Add it here.
1835
1836 2005-08-01  James E Wilson  <wilson@specifix.com>
1837
1838         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1839         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1840         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1841         New.
1842         * config/mips/predicates.md (const_call_insn_operand): Add check for
1843         SYMBOL_REF_LONG_CALL_P.
1844         * doc/extend.texi (long_call): Document the new attribute.
1845
1846 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1847             Richard Henderson  <rth@redhat.com>
1848
1849         * Makefile.in (RTL_BASE_H): Add real.h.
1850         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1851         instead of memcpy.
1852         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1853         directly.
1854         * rtl.c (rtl_check_failed_code_mode): New.
1855         * rtl.h (struct rtx_def): Add u.rv.
1856         (XCMWINT, XCNMPRV): New.
1857         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1858         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1859
1860 2005-08-01  Richard Henderson  <rth@redhat.com>
1861
1862         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1863         with auto-inc codes.
1864
1865         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1866
1867 2005-08-01  Jan Hubicka  <jh@suse.cz>
1868
1869         * i386-protos.h (asm_preferred_eh_data_format): Declare.
1870         * i386.c: Include dwarf2.h
1871         (asm_preferred_eh_data_format): New.
1872         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1873
1874 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1875
1876         * config/host-linux.c (linux_gt_pch_get_address): Add new name
1877         randomize_va_space for virtual address randomization control.
1878
1879 2005-08-01  Steven Bosscher  <stevenb@suse.de>
1880
1881         * common.opt (flag_ipa_cp): Put in right place to maintain
1882         alphabetic sort.
1883
1884 2005-08-01  Jan Hubicka  <jh@suse.cz>
1885
1886         * profile.c (compute_value_histograms): Fix thinko.
1887         * value-prof.c: Include toplev.h
1888         (check_counter): New function.
1889         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1890         tree_mod_subtract_transform): Add sanity check.
1891
1892 2005-08-01  Richard Guenther  <rguenther@suse.de>
1893
1894         PR tree-optimization/23133
1895         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1896         current functions parameter decls to find defs to cse
1897         reciprocals of.
1898
1899 2005-08-01  Richard Guenther  <rguenther@suse.de>
1900
1901         PR tree-optimization/23109
1902         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1903         If trapping math is in effect, use post-dominator information
1904         to check if we'd in any case reach a trapping point before
1905         doing the reciprocal insertion.
1906         (execute_cse_reciprocals): Compute post-dominators, if necessary.
1907         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1908         expressions are invariant only if trapping math is not in effect.
1909
1910 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1911
1912         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1913         cgraph_function_versioning): New declarations.
1914         * cgraphunit.c: Add include to ipa-prop.h.
1915         (update_call_expr, cgraph_copy_node_for_versioning,
1916         cgraph_function_versioning): New functions.
1917         * integrate.c (copy_decl_for_inlining): Remove.
1918         * ipa-prop.h (ipa_replace_map): New struct.
1919         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1920         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1921         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1922         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1923         ipcp_iterate_stage, ipcp_method_scale_print,
1924         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1925         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1926         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1927         ipcp_update_bb_counts, ipcp_update_profiling,
1928         ipcp_update_edges_counts): New functions.
1929         (ipcp_method_cval_init): Remove restriction regarding local methods.
1930         (ipcp_init_stage): Add ipcp_method_compute_scale.
1931         (ipcp_insert_stage): Add versioning.
1932         (ipcp_structures_print): Add ipcp_method_scale_print.
1933         (ipcp_driver): Dump profiling info.
1934         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1935         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1936         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1937         (struct inline_data): Add versioning_p, ipa_info, new fields.
1938         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1939         declare_return_variable): Replace calls to copy_decl_for_inlining with
1940         copy_decl_for_dup.
1941         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1942         versioning support.
1943         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1944         Add argument VERSIONING.
1945         (copy_arguments_for_versioning, copy_static_chain,
1946         function_versionable_p, tree_versionable_function_p,
1947         tree_function_versioning, replace_ref_tree): New functions.
1948         * tree-inline.h: Include varray.h.
1949         (tree_versionable_function_p,  tree_function_versioning,
1950         tree copy_decl_for_dup): New declarations.
1951
1952 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1953
1954         * ipa-cp.c: New file. Contains IPCP specific functionality.
1955         * ipa-prop.h: New file. Contains structures/definitions that can be
1956         used by several interprocedural data flow optimizations (and also IPCP).
1957         * ipa-prop.c: New file.
1958         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1959         * common.opt: Add ipa-cp flag.
1960         * timevar.def: Add IPCP optimization.
1961         * tree-optimize.c (init_tree_optimization_passes): Schedule
1962         pass_ipa_cp.
1963         * tree-pass.h (pass_ipa_cp): Declare.
1964
1965 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
1966
1967         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1968         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1969         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1970         config/i386/i386.c, config/mips/mips.h,
1971         config/rs6000/rs6000.h, config/sh/sh.c,
1972         config/stormy16/stormy16.c: Fix comment typos.
1973
1974 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
1975
1976         PR c/22311
1977         * c-typeck.c (build_binary_op): Use common_type wrapper on
1978         shortened types.
1979         (common_type): Update comment.
1980
1981 2005-07-31  Steven Bosscher  <stevenb@suse.de>
1982
1983         PR target/23095
1984         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1985         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1986         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1987
1988 2005-07-31  Jan Hubicka  <jh@suse.cz>
1989
1990         * pretty-print.h (pp_widest_integer): New macro.
1991         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1992         counts.
1993
1994 2005-07-31  Jan Hubicka  <jh@suse.cz>
1995
1996         * output.h (enum section_category): Export from varasm.c
1997         (categorize_decl_for_section): Likewise.
1998         * varasm.c (enum section_category): Kill.
1999         (categorize_decl_for_section): Make global.
2000         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2001         Declare.
2002         * i386.c (ix86_section_threshold): New static variable.
2003         (ix86_in_large_data_p, ix86_encode_section_info,
2004         x86_64_elf_unique_section,
2005         x86_64_elf_select_section): New functions.
2006         (TARGET_ENCODE_SECTION_INFO): Define
2007         (override_options): Enable medium model for PIC.
2008         (ix86_expand_prologue): Expand gen_set_got_rex64.
2009         (legitimate_constant_p): Handle new UNSPECs.
2010         (legitimate_pic_address_disp_p): Likewise.
2011         (legitimize_pic_address): Lower MEDIUM model addressing.
2012         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2013         (enum cmodel): Add MEDIUM_PIC.
2014         (SYMBOL_REF_FAR_ADDR_P): New macro.
2015         (SYMBOL_FLAG_FAR_ADDR): New flag.
2016         * i386.md (movdi): Support medium model.
2017         (set_got_rex64): New pattern.
2018         * i386.opt (mlarge-data-threshold): New flag.
2019         * predicates.md (zext_operand/sext_operand): Deal with medium model.
2020         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2021         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2022         TARGET_ASM_UNIQUE_SECTION): New.
2023
2024         * invoke.texi (-mlarge_data_threshold): Document
2025
2026 2005-07-31  Jan Hubicka  <jh@suse.cz>
2027
2028         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2029         (coalesce_vars): Likewise.
2030         * tree-ssa-live.c (coalesce_cost): New.
2031         (build_tree_conflict_graph): Use coalesce_cost.
2032         * tree-ssa-live.h (coalesce_cost): Declare.
2033
2034 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2035
2036         * arm.md (all peepholes for post-increment operations): Delete.
2037         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2038         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2039         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2040         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2041         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2042
2043 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
2044
2045         * fold-const.c (tree_expr_nonnegative_p): Always return true for
2046         non-integral types.
2047
2048 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
2049
2050         PR target/22582
2051         * doc/invoke.texi: Document -rdynamic.
2052
2053 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
2054
2055         PR c/23143
2056         * c-parser.c (c_parser_parms_list_declarator): Call
2057         mark_forward_parm_decls.
2058         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2059         decls with visibility structure.
2060
2061 2005-07-30  Paul Brook  <paul@codesourcery.com>
2062
2063         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2064
2065 2005-07-30  Paul Brook  <paul@codesourcery.com>
2066
2067         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2068         prototype.
2069         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2070         value for mode.
2071         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2072
2073 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2074
2075         PR c/529
2076         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2077         nested function declarators.
2078         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2079         (grokparms): Call warn_if_shadowing for parameters used within the
2080         parameter list.
2081         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2082         not used within the parameter list.
2083         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2084
2085 2005-07-30  Jan Hubicka  <jh@suse.cz>
2086
2087         * expr.c (expand_expr_real_1): Do not load mem targets into register.
2088         * i386.c (ix86_fixup_binary_operands): Likewise.
2089         (ix86_expand_unary_operator): Likewise.
2090         (ix86_expand_fp_absneg_operator): Likewise.
2091         * optabs.c (expand_vec_cond_expr): Validate dest.
2092
2093 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2094
2095         PR c/21720
2096         * real.c (real_from_string): Also set last bit if there is a
2097         nonzero hex digit beyond GCC's internal precision after ".".
2098
2099 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
2100
2101         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2102         define_constants.  Change duplicate values to unassigned numbers.
2103         Change UNSPEC_SUBS to UNSPEC_VSUBS.
2104         (*altivec_vspltsf): New.
2105         (altivec_vperm_v4sf): Delete.
2106         (altivec_vperm_<mode>): Use mode macro V.
2107         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2108         (altivec_predicate_v4sf): Delete.
2109         (altivec_predicate_<mode>): Use mode macro V.
2110         (*altivec_lvesfx): New.
2111         (*altivec_stvesfx): New.
2112         (vec_realign_load_v4sf): Delete.
2113         (vec_realign_load_<mode>): Use mode macro V.
2114         * config/rs6000/rs6000.c (generate_set_vrsave): Use
2115         UNSPECV_SET_VRSAVE.
2116
2117 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
2118
2119         PR bootstrap/23131
2120         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2121         string.
2122         * configure: Regenerated.
2123
2124 2005-07-29  Paul Brook  <paul@codesourcery.com>
2125
2126         * doc/install.texi: Add link to GFortran binaries wiki page.
2127
2128 2005-07-29  David Ung  <davidu@mips.com>
2129
2130         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2131         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2132         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2133         * config/mips/mips.md (cpu): Add 5kf name.
2134         (includes): Includes 5k.md.
2135         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2136         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2137         -march flag.
2138
2139 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2140
2141         PR 22550
2142         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2143         (cleanup_tree_cfg): ... here.
2144         Call cleanup_tree_cfg_1 until there are no more cleanups to
2145         do.
2146
2147 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
2148
2149         * tree-vrp.c (compare_range_with_value): Return true or false
2150         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2151         EQ_EXPR respectively.
2152
2153 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
2154
2155         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2156         Fix comment typos.
2157
2158 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2159
2160         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2161         (tree_ssa_dominator_optimize): Increment it.
2162         (dump_dominator_optimization_stats): Print it.
2163
2164 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
2165             Steven Bosscher  <stevenb@suse.de>
2166
2167         PR rtl-optimization/23117
2168         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2169         when head == tail.  Tidy comment.
2170
2171 2005-07-28  Richard Henderson  <rth@redhat.com>
2172
2173         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2174         * cselib.c (rtx_equal_for_cselib_p): Likewise.
2175         * jump.c (rtx_renumbered_equal_p): Likewise.
2176         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2177         CONST_INT and CONST_DOUBLE.
2178         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2179         * reload.c (operands_match_p): Special case CONST_INT and
2180         CONST_DOUBLE; check mode earlier.
2181
2182 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2183
2184         PR c/22240
2185         * c-typeck.c (convert_for_assignment): Do not check
2186         DECL_IN_SYSTEM_HEADER on NULL fundecl.
2187
2188 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2189
2190         PR c/22192
2191         * c-typeck.c (composite_type): Prefer constant size arrays to
2192         VLAs.
2193
2194 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2195
2196         PR c/21720
2197         * real.c (real_from_string): Set last bit if there is a nonzero
2198         hex digit beyond GCC's internal precision.
2199
2200 2005-07-28  Richard Henderson  <rth@redhat.com>
2201
2202         PR rtl-opt/22619
2203         * cfgcleanup.c (try_forward_edges): Watch out for end of
2204         insn chain.
2205
2206 2005-07-28  James E Wilson  <wilson@specifixinc.com>
2207
2208         PR c/23106
2209         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2210
2211 2005-07-28  Jan Hubicka  <jh@suse.cz>
2212
2213         * Makefile.in (rtl-profile.o): Kill all traces of it.
2214         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2215         * coverage.h (rtl_coverage_counter_ref): Kill.
2216         * opts.c (flag_speculative_prefetching_set): Kill.
2217         (flag_loop_optimize_set): New.
2218         (common_handle_option): Disable loop optimizer when profiling;
2219         do not handle speculative prefetching.
2220         * passes.c (init_optimization_passes): Replace pass_profiling combo
2221         by branch_prob pass.
2222         * profile.c (compute_value_histograms): Update for simplified value
2223         profiles.
2224         (rtl_register_profile_hooks): Kill.
2225         (pass_profiling): Kill.
2226         (rest_of_handle_branch_prob): Do not profile.
2227         * toplev.c (process_options): Remove speculative prefetching.
2228         * toplev.h (flag_tree_based_profiling): Kill.
2229         * tree-profile.c (prepare_instrumented_value,
2230         tree_gen_interval_profiler, tree_gen_pow2_profiler,
2231         tree_gen_one_value_profiler, do_tree_profiling): Update for
2232         simplified datastructures.
2233         * value-prof.c: Add comment that speculative prefetching was dropped;
2234         update rest of file for simplified datastructures.
2235         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2236         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2237         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2238         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2239         rtl_mod_subtract, gen_speculative_prefetch,
2240         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2241         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2242         (gate_handle_value_profile_transformations,
2243         rest_of_handle_value_profile_transformations,
2244         pass_value_profile_transformations): Kill.
2245         * value-prof.h (histogram_value_t): Remove IL based unions.
2246         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2247         rtl_profile_hooks): Remove hooks.
2248
2249         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2250
2251         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2252         (cgraph_clone_node): Likewise.
2253         * cgraph.h (cgraph_clone_edge): Update prototype.
2254         (cgraph_clone_node): Likewise.
2255         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2256         cgraph_clone_node.
2257         (lookup_recursive_calls): Consider profile.
2258         (cgraph_decide_recursive_inlining): Fix updating; use new
2259         probability argument; use profile.
2260         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2261         * tree-inline.c (copy_bb): Update clal of clone_edge.
2262         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2263
2264         * invoke.texi (min-inline-recursive-probability): Document.
2265
2266 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
2267
2268         * doc/install.texi (Configuration): Update Valgrind homepage.
2269
2270 2005-07-28  Richard Henderson  <rth@redhat.com>
2271
2272         PR middle-end/21362
2273         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2274         labels we want to delete.
2275         (cfg_layout_merge_blocks): Likewise.
2276
2277 2005-07-28  Richard Henderson  <rth@redhat.com>
2278
2279         PR target/17692
2280         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2281         when expanding to nothing.
2282
2283 2005-07-28  Josh Conner  <jconner@apple.com>
2284
2285         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2286         (cgraph_decide_inlining_of_small_functions): Likewise.
2287
2288 2005-07-28  Josh Conner  <jconner@apple.com>
2289
2290         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
2291         direction of badness if negative.
2292         (cgraph_default_inline_p): Add reason to parameters, and assign it
2293         a value.
2294         (cgraph_decide_inlining_of_small_functions): New parameter in call
2295         to cgraph_default_inline_p.
2296         (cgraph_decide_inlining_incrementally): Likewise.
2297         * cgraphunit.c (decide_is_function_needed): Likewise.
2298         * cgraph.h (cgraph_default_inline_p): Likewise.
2299
2300 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2301
2302         * builtins.c: Fix comment typo(s).
2303         * genautomata.c: Likewise.
2304         * gimplify.c: Likewise.
2305         * tree-dfa.c: Likewise.
2306         * tree-flow-inline.h: Likewise.
2307         * tree-into-ssa.c: Likewise.
2308         * tree-ssa-alias.c: Likewise.
2309         * tree-ssa-ccp.c: Likewise.
2310         * tree-ssa-copy.c: Likewise.
2311         * tree-ssa-dce.c: Likewise.
2312         * tree-ssa-dom.c: Likewise.
2313         * tree-ssa-operands.c: Likewise.
2314         * tree-tailcall.c: Likewise.
2315         * tree-vectorizer.c: Likewise.
2316         * tree-vrp.c: Likewise.
2317         * tree.c: Likewise.
2318
2319 2005-07-28  Jeff Law  <law@redhat.com>
2320
2321         * tree-vrp.c (test_for_singularity): Extracted from  ...
2322         (simplify_cond_using_ranges): Attempt to simplify a relational
2323         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
2324
2325 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
2326
2327         PR tree-optimization/22506
2328         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2329         phis whose argument is constant.
2330
2331 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
2332
2333         PR rtl-optimization/18992
2334         Back out this patch:
2335           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2336           PR optimization/12142
2337           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2338           uses of the register in the SET_SRC.  Remove unnecessary argument.
2339
2340         Replace it with this:
2341         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2342         if flag_non_call_exceptions is set and the insn may trap, pass
2343         pc_rtx as dest for recursion.
2344         In SET_SRC part of SET case, if dest is already set, pass it down
2345         unchanged.
2346
2347 2005-07-28  Jan Hubicka  <jh@suse.cz>
2348
2349         * cfg.c (update_bb_profile_for_threading): Use RDIV.
2350         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2351         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2352         roundoff errors.
2353         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2354         profile when available.
2355
2356 2005-07-28  Jan Beulich <jbeulich@novell.com>
2357
2358         * config/ia64/ia64.c (ia64_load_pair_ok): New.
2359         (ia64_print_operand): Describe and handle 'X'.
2360         (ia64_register_move_cost): Also handle FP_REGS.
2361         (ia64_preferred_reload_class): Likewise.
2362         (ia64_secondary_reload_class): Likewise.
2363         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2364         it. Also check for ITANIUM_CLASS_FLDP.
2365         * config/ia64/ia64.h (FP_REGNO_P): New.
2366         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2367         (reg_class): Add FP_REGS.
2368         (REG_CLASS_NAMES): Adjust for it.
2369         (REG_CLASS_CONTENTS): Likewise.
2370         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2371         (REG_CLASS_FROM_LETTER): Handle 'x'.
2372         (CLASS_MAX_NREGS): Handle FP_REGS.
2373         (MEMORY_MOVE_COST): Likewise.
2374         * config/ia64/ia64.md (itanium_class): Add fldp.
2375         (type): Handle fldp.
2376         (movti_internal): More allowable operand combinations. Use ldfp8 when
2377         splitting unnecessary. Remove predicable attribute. Adjust
2378         itanium_class attribute.
2379         (smuldi3_highpart): Remove outdated comment.
2380         (mulditi3, umulditi3, rotlti3): New expanders.
2381         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2382         (absti2): Disabled new insn for future reference.
2383         Respective new splitters.
2384         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2385         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2386         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2387
2388 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2389
2390         PR rtl-optimization/23047
2391         * simplify-rtx.c (simplify_const_relational_operation): Respect
2392         flag_wrapv for comparisons with ABS.
2393
2394 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2395
2396         PR tree-optimization/22493
2397         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2398         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2399
2400 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2401
2402         * config/frv/frv.opt (moptimize-membar): New.
2403
2404         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2405
2406         * config/frv/frv.h: Remove machine_function definition.
2407
2408         * config/frv/frv.c (struct frv_io): New.
2409         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2410         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2411         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2412         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2413         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2414         (frv_reorg): Call frv_optimize_membar when appropriate.
2415         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2416         (frv_expand_builtin): Adjust calls accordingly.
2417         (frv_io_address_cookie): New function.
2418         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2419         load or store rather than a special insn.  Add ccnstant address and
2420         io-type operands to the membar.
2421         (frv_ifcvt_modify_tests): Unsign regno.
2422         (frv_ifcvt_modify_tests): Same.
2423
2424         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2425         UNSPEC_OPTIONAL_MEMBAR constant.
2426         (builtin_read_<mode>): Delete.
2427         (builtin_write_<mode>): Delete.
2428         ("optional_membar_<mode>"): Add operand.
2429
2430         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2431         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2432         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2433         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2434         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2435         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2436         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2437         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2438         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2439
2440 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2441
2442         * df.c (df_uses_record): Handle SCRATCH.
2443
2444 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2445
2446         PR debug/20161
2447         * passes.c (rest_of_decl_compilation): If decl is a type and
2448         we have encountered errors, don't emit debug information.
2449
2450 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2451
2452         * params.def: Fixed comment.
2453
2454 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2455
2456         PR target/19885
2457         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2458         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2459         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2460
2461 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2462
2463         PR c++/22003
2464         * varasm.c (assemble_start_function): Don't do anything that may
2465         require a CFG if the current function is a thunk.
2466
2467 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2468
2469         * doc/install.texi (Prerequisites): Mention that perl is needed
2470         to do export control in libstdc++ targetting Darwin.
2471
2472 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2473
2474         PR rtl-optimization/17808
2475         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2476         (sched_insns_conditions_mutex_p): Split out from...
2477         (add_dependence): ...here.  But don't call it from here.
2478         (add_dependence_list): Check sched_insns_conditions_mutex_p
2479         before calling add_dependence.
2480         (add_dependence_list_and_free): Likewise.
2481         (fixup_sched_groups): Likewise.
2482         (sched_analyze_1): Likewise.
2483         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2484         (sched_analyze): Likewise.
2485         (sched_analyze_insn): Likewise.
2486         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2487         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
2488         dependencies on all COND_EXEC insns to jumps ending basic blocks
2489         when doing intrablock scheduling.
2490         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2491
2492 2005-07-27  Jeff Law  <law@redhat.com>
2493
2494         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2495         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
2496         equivalency sets, correctly handle the case were vr0 has an
2497         equivalency set, but vr1 does not.
2498
2499 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
2500
2501         PR tree-optimization/23073
2502         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2503         vect_print_dump_info before fprintf.
2504
2505 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2506
2507         PR tree-optimize/22348
2508         * tree-ssa-loop-niter.c (number_of_iterations_cond):
2509         Fold the partial computation.
2510
2511 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2512
2513         PR tree-optimization/22325
2514         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2515         Declare.
2516         * tree-scalar-evolution.c (scev_const_prop): Add generic final
2517         value replacement.
2518         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2519         (force_var_cost): ... this function.
2520         (compute_phi_arg_on_exit): Export.
2521
2522 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2523
2524         PR tree-optimization/20773
2525         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2526         edge.
2527
2528 2005-07-27  Richard Guenther  <rguenther@suse.de>
2529
2530         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2531         Avoid pushing again if current struct contains only
2532         fields we decomposed.
2533
2534 2005-07-27  Jan Hubicka  <jh@suse.cz>
2535
2536         PR tree-optimization/22574
2537         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2538         not available.
2539
2540         * tree-tailcall.c (decrease_profile): New function.
2541         (eliminate_tail_call): Use it.
2542
2543         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2544         visibility flags correctly in whole program mode.
2545
2546 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
2547
2548         PR rtl-optimization/22472
2549         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2550
2551 2005-07-26  Steven Bosscher  <stevenb@suse.de>
2552
2553         PR tree-optimization/22504
2554         * tree-complex.c (expand_complex_addition): Use 'code' instead
2555         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2556
2557 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2558
2559         * config.gcc (cpu_type): Add frv case.
2560         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2561         (supported_defaults): Add fr550 case.
2562
2563 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
2564
2565         PR 22591
2566         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2567         whether a pointer of type T * may point to objects of type T *.
2568
2569 2005-07-26  DJ Delorie  <dj@redhat.com>
2570
2571         * configure: Regenerate.
2572
2573 2005-07-26  Dale Johannesen  <dalej@apple.com>
2574
2575         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
2576
2577 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
2578
2579         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2580         Clarify use of "build" in name.
2581
2582 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2583
2584         * doc/extend.texi (Raw read/write Functions): New section.
2585         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2586         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2587         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2588         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2589         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2590         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2591         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2592         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2593         * config/frv/frv.c: Add bdesc_loads global.
2594         Add bdesc_stores global.
2595         (frv_init_builtins): Add support for __builtin_{read/write}*.
2596         (frv_volatile_memref): New.
2597         (frv_expand_load_builtin): New.
2598         (frv_expand_store_builtin): New.
2599         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2600         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2601         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2602         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2603         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2604         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2605         (builtin_read_<mode>): New.
2606         (builtin_write_<mode>): New.
2607         (builtin_write64): New.
2608         (optional_membar_<mode>): New.
2609
2610 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
2611
2612         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2613         (rather than units) against HOST_BITS_PER_WIDE_INT.
2614
2615 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
2616
2617         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2618         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2619         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2620         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2621         FSF address.
2622
2623         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2624         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2625         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2626         comment typos.
2627         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2628
2629 2005-07-26  Richard Guenther  <rguenther@suse.de>
2630
2631         PR tree-optimization/22486
2632         * fold-const.c (fold_unary): Fold away useless component
2633         references of the form (T *)&T.x, if the address
2634         doesn't change.
2635
2636 2005-07-25  James E Wilson  <wilson@specifixinc.com>
2637
2638         * dwarf2out.c (add_call_src_coords_attributes): New.
2639         (gen_inlined_subroutine_die): Call it.
2640         (maybe_emit_file, init_file_table): Add comments.
2641         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2642         maybe_emit_file.
2643         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2644         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2645         * tree.h (BLOCK_SOURCE_LOCATION): New.
2646         (struct tree_block): New field locus.
2647
2648 2005-07-26  Andreas Schwab  <schwab@suse.de>
2649
2650         PR rtl-optimization/23043
2651         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2652         when allocating a struct unoccr.
2653
2654 2005-07-25  Richard Henderson  <rth@redhat.com>
2655
2656         PR 22626
2657         * tree-complex.c (gate_no_optimization): True if errors.
2658         * Makefile.in (tree-complex.o): Update dependencies.
2659
2660 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
2661
2662         * config/frv/predicates.md (integer_register_operand): Use
2663         GPR_AP_OR_PSEUDO_P.
2664
2665 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2666
2667         PR tree-opt/22484
2668         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2669         after fold.
2670         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2671
2672 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2673
2674         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2675         types when flag_unsafe_math_optimizations is true.
2676
2677 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
2678
2679         * gcc.c (option_map): Add --sysroot.
2680         (process_command): Handle --sysroot.
2681         (display_help): Document it.
2682         * doc/cppopts.tex (-isysroot): Document.
2683         * doc/invoke.texi (--sysroot): Document.
2684         * doc/install.texi (--with-build-sysroot): Document.
2685
2686         * Makefile.in (inhibit_libc): New variable.
2687         (INHIBIT_LIBC_CFLAGS): Likewise.
2688         (LIBGCC2_CFLAGS): Include
2689         $(INHIBIT_LIBC_CFLAGS).
2690         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2691         ($(T)crtbegin.o): Do not use @inhibit_libc@.
2692         ($(T)crtend.o): Likewise.
2693         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2694         ($(T)crtendS.o): Likewise.
2695         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2696         ($(T)crtendT.o): Likewise.
2697         (stmp-fixinc): Do not complain about missing headers if
2698         inhibit_libc.
2699         * configure.ac (inhibit_libc): Set it to true/false.
2700         (--with-build-sysroot): New option.  Use it to set
2701         SYSTEM_HEADER_DIR.
2702         * configure: Regenerated.
2703
2704 2005-07-25  Manfred Hollstein  <mh@suse.com>
2705
2706         * calls.c (store_one_arg): Fix unsigned comparison warning.
2707
2708 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2709
2710         PR other/22337
2711         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2712         (ggc_print_statistics): Initialize variable before use.
2713
2714 2005-07-25  Richard Guenther  <rguenther@suse.de>
2715
2716         * tree-dfa.c (mark_new_vars_to_rename): Protect against
2717         calling with a PHI_NODE argument.
2718
2719         * tree-flow-inline.h (overlap_subvar): Protect against
2720         possible overflow.
2721
2722 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
2723
2724         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2725         * configure: Regenerate.
2726
2727 2005-07-25  Ira Rosen  <irar@il.ibm.com>
2728
2729         * expr.c (highest_pow2_factor): Make extern.
2730         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2731         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2732         record_array_differ_p, array_ptr_differ_p): Likewise.
2733         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2734         additional cases. Call the above functions.
2735         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2736         base_object_differ_p when there are two base objects. Otherwise, compare
2737         base address and offset. Call may_alias_p.
2738         (dump_data_reference): Use a correct field name.
2739         (analyze_array): Make static. Initialize new data-ref fields.
2740         (analyze_indirect_ref): New function.
2741         (init_data_ref): Initialize new data-ref fields.
2742         (strip_conversion): Moved from tree-vect-analyze.c.
2743         (analyze_offset_expr, get_ptr_offset, address_analysis,
2744         object_analysis): Likewise.
2745         (analyze_offset): New function.
2746         (create_data_ref): Likewise.
2747         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2748         dimensions for ARRAY_REFs only.
2749         (build_classic_dist_vector): Make static.
2750         (access_functions_are_affine_or_constant_p): Call macro to get the
2751         address of access functions.
2752         (compute_all_dependences): Add new parameter
2753         compute_self_and_read_read_dependences. Compute self and read-read
2754         dependences if it is true.
2755         (find_data_references_in_loop): Call create_data_ref. Initialize new
2756         data-ref fields.
2757         (compute_data_dependences_for_loop): Add new parameter
2758         compute_self_and_read_read_dependences. Remove parameter nb_loops,
2759         compute nb_loops. Call compute_all_dependences,
2760         build_classic_dist_vector and build_classic_dir_vector with correct
2761         parameters.
2762         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2763         with correct parameters. Compare dimensions for ARRAY_REFs only.
2764         (free_data_refs): Call macro to free access functions.
2765         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2766         fields from stmt_vinfo.
2767         (struct base_object_info): New structure.
2768         (struct data_reference): Move fields to base_object_info. Add fields
2769         first_location and object_info for above structures. Move fields from
2770         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2771         aligned_to.  Add macros to access the new fields.
2772         Update functions declarations.
2773         * tree-flow.h (is_aliased_with): Declare.
2774         * tree-loop-linear.c (linear_transform_loops): Call
2775         compute_data_dependences_for_loop with correct parameters.
2776         * tree-ssa-alias.c (is_aliased_with): New function.
2777         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2778         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2779         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2780         vect_base_addr_differ_p, compute_subscript_distance and
2781         build_classic_dist_vector. Add printings. Check absolute value of
2782         distance.
2783         (vect_analyze_data_ref_dependences): Go through ddrs instead of
2784         data-refs.
2785         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2786         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2787         to bytes. Add printing.
2788         (vect_compute_data_refs_alignment): Go through loads and stores in one
2789         loop.
2790         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2791         vect_analyze_data_ref_access): Likewise.
2792         (vect_analyze_pointer_ref_access): Remove.
2793         (vect_address_analysis, vect_object_analysis): Likewise.
2794         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2795         and analyze data-refs in the loop.
2796         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2797         fields of data-ref instead of stmt. Add init to the offset from the
2798         base.
2799         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2800         (vect_update_init_of_dr): Likewise.
2801         (vect_update_inits_of_drs): Go through loads and stores in one loop.
2802         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2803         removed fields.
2804         (new_loop_vec_info): Initialize new fields.
2805         (destroy_loop_vec_info): Free new fields.
2806         (vect_strip_conversion): Remove.
2807         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2808         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2809         datarefs. Add new field ddrs.
2810         Add macros for the new fields access.
2811         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2812         base_aligned_p, misalignment, memtag, ptr_info and subvars.
2813         Remove their macros.
2814         * tree.h (highest_pow2_factor): Declare.
2815
2816 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
2817
2818         * calls.c (store_one_arg): Check for sibling call MEM arguments
2819         from already clobbered incoming argument area.
2820
2821 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2822
2823         * c-common.c (check_missing_format_attribute): New.
2824         * c-common.h (check_missing_format_attribute): Likewise.
2825         * c-typeck.c (convert_for_assignment): Use it.
2826
2827 2005-07-24  Andreas Schwab  <schwab@suse.de>
2828
2829         * config/m68k/m68k.md ("extendqidi2"): When source is an address
2830         register use a word move.  Correct operand of ext.w in 68000 code.
2831
2832 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
2833
2834         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2835         variables as declarations, rather than definitions.
2836
2837 2005-07-24  Ira Rosen  <irar@il.ibm.com>
2838
2839         PR tree-optimization/22526
2840         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2841         of the zero node.
2842
2843 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2844
2845         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2846         that C99 reserve for future use. Use it to define clog10,
2847         clog10f and clog10l.
2848
2849 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2850
2851         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2852         * configure.ac: Check for -Wmissing-format-attribute.
2853
2854         * configure: Regenerate.
2855
2856 2005-07-23  Richard Henderson  <rth@redhat.com>
2857
2858         PR tree-optimization/22623
2859         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2860
2861 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
2862
2863         PR target/22577
2864         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2865
2866 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2867
2868         * Makefile.in (C_TREE_H): Update dependencies.
2869         * c-tree.h: Include toplev.h.
2870         * diagnostic.h (diagnostic_set_info): Add format attribute.
2871         * rtl-error.c (diagnostic_for_asm): Likewise.
2872
2873 2005-07-23  Chao-ying Fu  <fu@mips.com>
2874
2875         * config/mips/mips-dsp.md: New file.
2876         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2877         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2878         functions.
2879         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2880         MIPS_BUILTIN_BPOSGE32.
2881         (mips_expand_builtin_direct): Add one parameter to indicate that
2882         builtin functions need to return a value.
2883         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2884         functions.
2885         (mips_regno_to_class): Add classes for 12 new DSP registers.
2886         (mips_subword): Change to check four HI registers.
2887         (mips_output_move): Output move to and from 6 new DSP accumulators.
2888         (override_options): Make sure -mdsp and -mips16 are not used together.
2889         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
2890         for machine modes.
2891         (mips_conditional_register_usage): Disable 6 new DSP accumulators
2892         when !TARGET_DSP.
2893         (print_operand): Add 'q' for printing DSP accumulators.
2894         (mips_cannot_change_mode_class): Check ACC_REGS.
2895         (mips_secondary_reload_class): Check ACC_REGS.
2896         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2897         (mips_register_move_cost): Check ACC_REGS.
2898         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2899         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2900         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2901         (dsp_bdesc): New array.
2902         (bdesc_arrays): Add DSP builtin function table.
2903         (mips_prepare_builtin_arg): Check predicate again after
2904         copy_to_mode_reg.
2905         (mips_expand_builtin): Add one more parameter to
2906         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2907         MIPS_BUILTIN_BPOSGE32.
2908         (mips_init_builtins): Initialize new function types.
2909         (mips_expand_builtin_direct): Check if builtin functions need to
2910         return a value and pass operands properly.
2911         (mips_expand_builtin_bposge): New function.
2912         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2913         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2914         (FIRST_PSEUDO_REGISTER): Increase to 188.
2915         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2916         Update for 12 new DSP registers.
2917         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2918         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2919         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2920         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2921         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2922         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2923         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2924         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2925         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2926         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2927         (REGISTER_NAMES): Add names for 12 new DSP registers.
2928         * config/mips/mips.md: Include mips-dsp.md.
2929         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2930         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2931         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2932         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2933         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2934         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2935         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2936         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2937         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2938         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2939         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2940         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2941         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2942         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2943         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2944         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2945         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2946         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2947         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2948         (UNSPEC_RDDSP): New constants.
2949         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2950         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
2951         A<-d alternative.
2952         * config/mips/mips.opt (-mdsp): New option.
2953         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2954         (reg_imm10_operand): New predicates.
2955         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2956         * doc/invoke.texi (-mdsp): Document new option.
2957
2958 2005-07-22  DJ Delorie  <dj@redhat.com>
2959
2960         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2961         to warning calls.
2962         * tree-inline.c (inlinable_function_p): Likewise.
2963
2964 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
2965
2966         PR debug/21828
2967         * toplev.c (check_global_declarations): Do not mark undefined
2968         variables as DECL_IGNORED_P.
2969         * varasm.c (first_global_object_name): GTY it.
2970         (weak_global_object_name): Likewise.
2971         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2972         a string to go into {weak,first}_global_object_name.
2973
2974 2005-07-22  DJ Delorie  <dj@redhat.com>
2975
2976         * c-format.c (check_function_format): Change warning control
2977         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2978
2979 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
2980
2981         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2982         &PTR->FLD a dereference of PTR.
2983         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2984         a potential dereference of PTR.
2985
2986 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2987
2988         PR rtl-optimization/20370
2989         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2990         call allocate_reg_info if necessary.
2991
2992         PR rtl-optimization/21848
2993         * calls.c (emit_library_call_value_1): For const functions, add
2994         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2995
2996         PR rtl-optimization/22445
2997         * cselib.c (target.h): Include.
2998         (rtx_equal_for_cselib_p): Allow commutative matches.
2999         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3000         Remove MODE parameter.  Changed all callers.
3001
3002         PR rtl-optimization/22258
3003         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3004         New functions.
3005         (try_combine): Use likely_spilled_retval_p.
3006
3007 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
3008
3009         * config.gcc: Add crx-elf support.
3010
3011         * doc/contrib.texi: Mention crx.
3012         * doc/extend.texi: Document crx extensions.
3013         * doc/install.texi: Document crx install.
3014         * doc/invoke.texi: Document crx options.
3015         * doc/md.texi: Document crx constraints.
3016
3017         * config/crx/crx-protos.h: New file.
3018         * config/crx/crx.c: New file.
3019         * config/crx/crx.h: New file.
3020         * config/crx/crx.md: New file.
3021         * config/crx/crx.opt: New file.
3022         * config/crx/t-crx: New file.
3023
3024 2005-07-22  Manfred Hollstein  <mh@suse.com>
3025
3026         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3027         warnings.
3028         (int_add_graph_edge): Likewise.
3029         (collapse_nodes): Likewise.
3030         (process_unification_queue): Likewise.
3031
3032 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3033             Laurent GUERBY  <laurent@guerby.net>
3034
3035         PR tree-optimization/22336
3036         * function.c (record_block_change): Check for
3037         cfun->ib_boundaries_block.
3038
3039 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
3040
3041         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3042         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3043
3044 2005-07-21  DJ Delorie  <dj@redhat.com>
3045
3046         * toplev.c (warn_deprecated_use): Add warning control to warning
3047         call.
3048         * c-typeck.c (parser_build_binary_op): Likewise.
3049         (c_finish_if_stmt): Likewise.
3050         * c-common.c (check_function_sentinel): Likewise.
3051         (check_nonnull_arg): Likewise.
3052
3053 2005-07-21  Richard Henderson  <rth@redhat.com>
3054
3055         PR tree-opt/22504
3056         * tree-complex.c (complex_ssa_name_components): New.
3057         (cvc_lookup): Allow entry not found.
3058         (create_components): Remove.
3059         (create_one_component_var, get_component_var): New.
3060         (get_component_ssa_name, set_component_ssa_name): New.
3061         (extract_component): Use get_component_ssa_name.
3062         (update_complex_components): Use set_component_ssa_name.
3063         (update_complex_components_on_edge): Likewise.
3064         (update_phi_components): Create new PHI nodes directly, instead
3065         of adding insns to edges.
3066         (tree_lower_complex): Allocate and free complex_variable_components
3067         and complex_ssa_name_components here.
3068
3069 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
3070
3071         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3072         revert to returning false.
3073
3074 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3075
3076         PR target/21149
3077         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3078
3079 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3080
3081         PR target/22576
3082         * config/i386/i386.md (cmpxf): Change operand constraints
3083         to "nonmemory_operand".
3084
3085 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3086
3087         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3088
3089 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3090
3091         PR middle-end/21180
3092         * fold-const.c (fold_build1): Add checksum for the operands.
3093         (fold_build2): Likewise.
3094         (fold_build3): Likewise.
3095
3096 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3097
3098         PR middle-end/19055
3099         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3100
3101 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3102
3103         * common.opt (-fforward-propagate): Committed by mistake,
3104         removed.
3105
3106 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3107
3108         * reg-stack.c: Fix comment typo(s).
3109         * tree-ssa-operands.c: Likewise.
3110         * tree-vectorizer: Likewise.
3111
3112 2005-07-21  Nick Clifton  <nickc@redhat.com>
3113
3114         * config/sh/symbian.c: Replace C++ style line comments with C
3115         style line comments.
3116         (symbian_add_attribute): Do not use a ? operator on the LHS of
3117         an assignment.
3118         (sh_symbian_handle_dll_attribute): Change the type of the
3119         method vector to "VEC(tree,gc)*" and use vector accessor
3120         macros to walk over the elements.
3121         (symbian_export_vtable_and_rtti_p): Likewise.
3122         (symbian_class_needs_attribute_p): Likewise.
3123
3124 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3125
3126         PR target/22085
3127         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3128         initialize targetm.resolve_overloaded_builtin here.
3129         (altivec_expand_overloaded_builtin): Make it non-static.
3130         * config/rs6000/rs6000-protos.h
3131         (altivec_expand_overloaded_builtin): New prototype.
3132         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3133         targetm.resolve_overloaded_builtin here.
3134         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3135
3136 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3137             Zdenek Dvorak  <dvorakz@suse.cz>
3138
3139         PR tree-optimization/19210
3140         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3141         New.
3142         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3143         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3144         rely on unproven assumptions.
3145         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3146         * tree-flow.h (number_of_iterations_exit): Add final parameter.
3147         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3148         to number_of_iterations_exit.
3149         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3150         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3151         * tree-ssa-loop-niter.c (find_loop_niter,
3152         estimate_numbers_of_iterations_loop): Likewise.
3153         (number_of_iterations_exit): Honor the new options.
3154         * doc/invoke.texi (Wunsafe-loop-optimizations,
3155         funsafe-loop-optimizations): Document them.
3156
3157 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
3158
3159         PR rtl-optimization/22167
3160         * gcse.c (hoist_code): Fix hoist_exprs[] check.
3161
3162 2005-07-20  Adam Nemet  <anemet@lnxw.com>
3163
3164         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3165         __do_global_dtors_aux longcall.
3166
3167 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
3168
3169         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3170         (old_special_pred_table): Don't reference
3171         SPECIAL_MODE_PREDICATES.
3172         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3173         * config/arc/arc.h: Don't mention PREDICATE_CODES.
3174         * config/sh/predicates.h: Don't mention
3175         SPECIAL_MODE_PREDICATES.
3176         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3177         Remove.
3178
3179 2005-07-20  DJ Delorie  <dj@redhat.com>
3180
3181         * config.gcc: Add m32c-elf support.
3182
3183         * doc/contrib.texi: Mention m32c.
3184         * doc/extend.texi: Document m32c extensions.
3185         * doc/install.texi: Mention m32c.
3186         * doc/invoke.texi: Document m32c options.
3187         * doc/md.texi: Document m32c constraints.
3188
3189         * config/m32c/addsub.md: New file.
3190         * config/m32c/bitops.md: New file.
3191         * config/m32c/cond.md: New file.
3192         * config/m32c/jump.md: New file.
3193         * config/m32c/m32c-lib1.S: New file.
3194         * config/m32c/m32c-lib2.c: New file.
3195         * config/m32c/m32c-modes.def: New file.
3196         * config/m32c/m32c-pragma.c: New file.
3197         * config/m32c/m32c-protos.h: New file.
3198         * config/m32c/m32c.abi: New file.
3199         * config/m32c/m32c.c: New file.
3200         * config/m32c/m32c.h: New file.
3201         * config/m32c/m32c.md: New file.
3202         * config/m32c/m32c.opt: New file.
3203         * config/m32c/minmax.md: New file.
3204         * config/m32c/mov.md: New file.
3205         * config/m32c/muldiv.md: New file.
3206         * config/m32c/predicates.md: New file.
3207         * config/m32c/prologue.md: New file.
3208         * config/m32c/shift.md: New file.
3209         * config/m32c/t-m32c: New file.
3210
3211 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3212
3213         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3214         (stack_protect_set, stack_protect_test): New expanders.
3215         (stack_protect_set_si, stack_protect_set_si_media,
3216         stack_protect_set_di_media, stack_protect_test_si,
3217         stack_protect_test_si_media, stack_protect_test_di_media):
3218         New insns.
3219
3220 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
3221
3222         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3223
3224 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
3225
3226         * tree.h (tree_expr_nonzero_p): Export.
3227         * fold-const.c (tree_expr_nonzero_p): Likewise.
3228         Return true for CALL_EXPRs that are alloca calls.
3229         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3230         against zero.
3231         * tree-flow.h (expr_computes_nonzero): Remove.
3232         * tree-vrp.c (expr_computes_nonzero): Remove.
3233         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3234         (extract_range_from_unary_expr): Likewise.
3235         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3236         tree_expr_nonzero_p.
3237
3238 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3239
3240         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3241         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
3242         extra arg "picreg" and use it instead of pic_offset_table_rtx.
3243         All callers changed.
3244         (frame_related_constant_load): New arg "related" which controls
3245         setting of RTX_FRAME_RELATED_P.  All callers changed.
3246         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3247         (bfin_expand_prologue): Add stack limit checking.
3248         * config/bfin/bfin.md (trapifcc): New pattern.
3249
3250         * config/bfin/bfin.c: Include "langhooks.h".
3251         (def_builtin): Go through lang_hooks to call builtin_function.
3252
3253         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3254         * config/bfin/predicates.md (symbol_ref_operand): New.
3255         (call_insn_operand): Delete.  All callers changed to use
3256         register_no_elim_operand.
3257         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3258         call_cookie field.
3259         (function_arg): Use it to generate the call's operand 2.
3260         (bfin_longcall_p): New function.
3261         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
3262         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
3263         determine if the address needs to be in a REG.
3264         (bfin_handle_longcall_attribute): New function.
3265         (bfin_attribute_table): Add "longcall" and "shortcall".
3266         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3267         (CUMULATIVE_ARGS): New member call_cookie.
3268         (PREDICATE_CODES): Add symbol_ref_operand.
3269         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3270         extra USE to the pattern.
3271         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3272         New patterns, split off call_insn, sibcall_insn, call_value_insn and
3273         sibcall_value_insn; now the new patterns handle direct calls and the
3274         old ones indirect calls.
3275         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3276
3277 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
3278
3279         * doc/trouble.texi: Update section on handling of empty loops.
3280
3281 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
3282
3283         * config.gcc: Remove support for sparc-*-openbsd*,
3284         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3285         ns32k-*-netbsd*.
3286         * config.host: Remove support for i860-*-sysv4* as a host.
3287         * config/i860/*, config/ip2k/*, config/ns32k/*,
3288         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3289         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3290         mention obsolete ports.
3291
3292 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3293
3294         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3295         soft frame pointer.
3296         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3297         of frame_pointer_rtx.
3298         (sh_expand_epilogue): Likewise.
3299         (sh_set_return_address): Likewise.
3300         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3301         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
3302         offsets from FRAME_POINTER_REGNUM.
3303         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3304         (sh_register_names): Add initializer for sfp.
3305         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3306         (VALID_REGISTER_P): Likewise.
3307         (FIRST_PSEUDO_REGISTER): Update.
3308         (DWARF_FRAME_REGISTERS): Define.
3309         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3310         (HARD_FRAME_POINTER_REGNUM): Define.
3311         (FRAME_POINTER_REGNUM): Redefine.
3312         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3313         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
3314         from FRAME_POINTER_REGNUM.
3315         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3316         FRAME_POINTER_REGNUM.
3317         (REG_CLASS_CONTENTS): Add sfp.
3318         (REG_ALLOC_ORDER): Likewise.
3319         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
3320         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3321         of frame_pointer_rtx.
3322         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3323
3324 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
3325
3326         * fold-const.c (tree_expr_nonnegative_p): Only return true for
3327         ABS_EXPR when flag_wrapv is false because of INT_MIN.
3328         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3329         of an ABS_EXPR.
3330         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3331         ABS_EXPR<x>.
3332
3333 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
3334
3335         Make CONSTRUCTOR use VEC to store initializers.
3336         * c-common.c (complete_array_type): Update to cope with VEC in
3337         CONSTRUCTOR_ELTS.
3338         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3339         (pp_c_constructor_elts): New function.
3340         * c-pretty-print.h (pp_c_constructor_elts): Declare.
3341         * c-typeck.c (build_function_call, build_c_cast, digest_init,
3342         struct constructor_stack, struct initializer_stack,
3343         constructor_elements, push_init_level, pop_init_level,
3344         add_pending_init, find_init_member, output_init_element): Update to
3345         cope with VEC in CONSTRUCTOR_ELTS.
3346         * coverage.c (build_fn_info_value, build_ctr_info_value,
3347         build_gcov_info): Likewise.
3348         * expr.c (categorize_ctor_elements_1, store_constructor,
3349         expand_expr_real_1): Likewise.
3350         * fold-const.c (fold_ternary): Likewise.
3351         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3352         gimplify_init_constructor, gimplify_expr): Likewise.
3353         * tree-dump.c (dequeue_and_dump): Likewise.
3354         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3355         node.
3356         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3357         CONSTRUCTOR_ELTS.
3358         * tree-sra.c (generate_element_init_1): Likewise.
3359         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3360         * tree-ssa-operands.c (get_expr_operands): Likewise.
3361         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3362         * tree-vect-transform.c (vect_get_vec_def_for_operand):
3363         (get_initial_def_for_reduction): Likewise.
3364         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3365         value handle in annotations.
3366         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3367         tree_node_structure): Add support for constr_kind.
3368         (build_vector_from_ctor, build_constructor_single,
3369         build_constructor_from_list): New functions.
3370         (build_constructor): Update to take a VEC instead of a TREE_LIST.
3371         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3372         Update to cope with VEC in CONSTRUCTOR_ELTS.
3373         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3374         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3375         CONSTRUCTOR_APPEND_ELT): New macros.
3376         (struct constructor_elt, struct tree_constructor): New data types.
3377         (union tree_node): Add tree_constructor field.
3378         * treestruct.def: Define TS_CONSTRUCTOR.
3379         * varasm.c (const_hash_1, compare_constant, copy_constant,
3380         compute_reloc_for_constant, output_addressed_constants,
3381         initializer_constant_valid_p, output_constant,
3382         array_size_for_constructor, output_constructor): Update to cope with
3383         VEC in CONSTRUCTOR_ELTS.
3384         * vec.h (VEC_empty, VEC_copy): New macros.
3385
3386 2005-07-19  Devang Patel  <dpatel@apple.com>
3387
3388         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3389
3390 2005-07-19  Richard Henderson  <rth@redhat.com>
3391
3392         PR tree-opt/22278
3393         * gimplify.c (gimplify_expr): Use main variant type for the temp
3394         destination for a discarded volatile read.
3395         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3396         casts between non-void types that change volatility.
3397
3398 2005-07-15  DJ Delorie  <dj@redhat.com>
3399
3400         * toplev.h: Add comment about the first parameter for warning().
3401         * errors.h: Likewise.
3402
3403         * c.opt (Wpragmas): New.
3404         * doc/invoke.texi: Document it.
3405
3406         * function.c (do_warn_unused_parameter): Add warning control to
3407         warning call.
3408         * c-decl.c (warn_if_shadowing): Likewise.
3409         * c-lex.c (cb_def_pragma): Likewise.
3410         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3411         (pop_alignment): Likewise.
3412         (handle_pragma_pack): Likewise.
3413         (apply_pragma_weak): Likewise.
3414         (handle_pragma_weak): Likewise.
3415         (handle_pragma_redefine_extname): Likewise.
3416         (add_to_renaming_pragma_list): Likewise.
3417         (handle_pragma_extern_prefix): Likewise.
3418         (maybe_apply_renaming_pragma): Likewise.
3419         (handle_pragma_visibility): Likewise.
3420
3421         * config/c4x/c4x-c.c (BAD): Likewise.
3422         (c4x_parse_pragma): Likewise.
3423         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3424         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3425         (rs6000_pragma_longcall): Likewise.
3426         * config/v850/v850-c.c (pop_data_area): Likewise.
3427         (ghs_pragma_section): Likewise.
3428         (ghs_pragma_section): Likewise.
3429         (ghs_pragma_interrupt): Likewise.
3430         (ghs_pragma_starttda): Likewise.
3431         (ghs_pragma_startsda): Likewise.
3432         (ghs_pragma_startzda): Likewise.
3433         (ghs_pragma_endtda): Likewise.
3434         (ghs_pragma_endsda): Likewise.
3435         (ghs_pragma_endzda): Likewise.
3436
3437 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3438             Kenneth Zadeck <zadeck@naturalbridge.com>
3439
3440         * Makefile.in: Removed tree-promote-statics.c
3441         * tree-promote-statics.c: Removed.
3442         * common.opt: Removed flag-promote-statics.
3443         * opts.c: Ditto.
3444         * passes.c: Removed tree-promote-statics pass.
3445         * tree-pass.h: Ditto.
3446         * timevar.def: Removed TV_PROMOTE_STATICS.
3447
3448
3449 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3450
3451         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3452         and *-*-freebsd9.
3453         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3454
3455 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3456
3457         PR c/22476
3458         * c-common.c (check_function_arguments): Call
3459         'check_function_format' if either -Wformat or
3460         -Wmissing-format-attribute are specified.
3461         * c-format.c (check_function_format): Check -Wformat before
3462         calling 'check_format_info'.
3463         * c-opts.c (c_common_post_options): Don't warn for
3464         -Wmissing-format-attribute without -Wformat.
3465         * c-typeck.c (convert_for_assignment): Detect additional cases for
3466         -Wmissing-format-attribute.
3467         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3468         behavior.
3469
3470 2005-07-19  Richard Guenther  <rguenther@suse.de>
3471
3472         * config/i386/i386.md (lrint<mode>2): Use temporary
3473         instead of clobbering non-existent memory.
3474
3475 2005-07-19  Nick Clifton  <nickc@redhat.com>
3476
3477         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3478         statement to avoid displaying ASCII control characters.
3479
3480 2005-07-19  Ben Elliston  <bje@au.ibm.com>
3481
3482         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3483         * cfganal.c (find_edge_index): Ditto.
3484         * combine.c (combine_instructions): Ditto.
3485         * ddg.c (create_scc): Ditto.
3486         (find_successors): Ditto.
3487         (find_predecessors): Ditto.
3488         (find_nodes_on_paths): Ditto.
3489         (longest_simple_path): Ditto.
3490         * flow.c (update_life_info): Ditto.
3491         (count_or_remove_death_notes): Ditto.
3492         (clear_log_links): Ditto.
3493         * modulo-sched.c (generate_reg_moves): Ditto.
3494         (find_max_asap): Ditto.
3495         (find_max_hv_min_mob): Ditto.
3496         (find_max_dv_min_mob): Ditto.
3497         * sbitmap.c (sbitmap_first_set_bit): Ditto.
3498         * sched-rgn.c (extract_edgelst): Ditto.
3499         * tree-into-ssa.c (prepare_names_to_update): Ditto.
3500         (dump_update_ssa): Ditto.
3501         (ssa_names_to_replace) Ditto.
3502         (switch_virtuals_to_full_rewrite): Ditto.
3503         (update_ssa): Ditto.
3504         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3505
3506 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
3507
3508         Fix PR tree-optimization/22483
3509
3510         * tree-complex.c (create_components): Use
3511         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3512         * tree-flow-inline.h (fill_referenced_var_vec): New function.
3513         * tree-flow.h (safe_referenced_var_iterator): New structure.
3514         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3515         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3516         safe_referenced_var iterator.
3517         (add_type_alias): Ditto.
3518
3519 2005-07-19  Steven Bosscher  <stevenb@suse.de>
3520
3521         * loop-init.c (rest_of_handle_loop2): Remove.
3522         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3523         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3524         (pass_rtl_loop_init, pass_rtl_loop_done,
3525         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3526         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3527         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3528         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3529         pass_tree_loop_done, and pass_tree_unswitch.
3530         (gate_loop): Rename to gate_tree_loop.
3531         * passes.c (init_optimization_passes): Update for renamed tree
3532         loop passes.  Add the new loop2 passes as subpasses of loop2.
3533         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3534         Update for the renamed tree loop passes.
3535
3536 2005-07-18  Ian Lance Taylor  <ian@airs.com>
3537
3538         PR middle-end/22057
3539         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3540         blocks when optimizing.
3541
3542 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
3543
3544         * common.opt (frename-registers): Initialize to 2.
3545         (fweb): Ditto.
3546         (fgcse-after-reload): Ditto.
3547         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3548         (process_options): Only change flag_web, flag_rename_registers,
3549         and flag_rerun_cse_after_loop if not explicitly set by user.
3550
3551 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3552
3553         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3554         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3555         in 64-bit mode the same as DImode in 32-bit mode.
3556         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3557         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3558         mode. Add new mode parameter.
3559         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3560         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3561         x86_64_shift_adj): New expanders.
3562         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3563         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3564         insns.
3565         Respective new splitters. Use renamed shift splitter helpers in 32-bit
3566         DImode shift splitters.
3567         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3568         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3569         mode parameter.
3570
3571 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3572
3573         * i386.md (movdi_extzv_1): New.
3574         (zero_extendhidi2): Combine alternatives and never force use of
3575         REX64 prefix.
3576         (zero_extendqidi2): Likewise. Don't restrict input selection.
3577
3578 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3579
3580         Fix PR tree-optimization/22531
3581         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
3582          moment.
3583
3584 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3585
3586         * tree-promote-statics.c (pass_promote_statics): Change dump file
3587          name.
3588
3589 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3590
3591         * tree-optimize.c (init_tree_optimization_passes): Add
3592         pass_eliminate_useless_stores pass.
3593         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3594         * tree-ssa-pre.c (is_copy_stmt): New function.
3595         (follow_copies_till_vuse): Ditto.
3596         (do_eustores): Ditto.
3597         (gate_eustores): Ditto.
3598
3599 2005-07-16  Richard Henderson  <rth@redhat.com>
3600
3601         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3602
3603 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3604            Kenneth Zadeck <zadeck@naturalbridge.com>
3605
3606         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3607         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3608         ipa-type-escape.h, tree-promote-statics.c
3609         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3610         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3611         tree-promote-statics.c: new files.
3612         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3613         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3614         int nonlocal_set_p, mark_constant_function): Deleted.
3615         (rest_of_handle_cfg): Removed call to mark_constant_function.
3616         (nonoverlapping_component_refs_p): Added calls to support
3617         type based aliasing.
3618         * tree-ssa-alias.c (may_alias_p,
3619         compute_flow_insensitive_aliasing): Ditto.
3620         * calls.c (flags_from_decl_or_type): Removed reference to
3621         cgraph_rtl_info.
3622         * c-typeck.c (convert_arguments): Make builtins tolerant of having
3623         too many arguments.  This is necessary for Spec 2000.
3624         * cgraph.h (const_function, pure_function): Removed.
3625         * common.opt: Added "fipa-pure-const", "fipa-reference",
3626         "fipa-type-escape", and "ftree-promote-static".
3627         * opts.c: Ditto.
3628         * passes.c: Added ipa and tree-promote-statics passes.
3629         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3630         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3631         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3632         * tree-flow.h: Added exposed sra calls and addition of
3633         reference_vars_info field for FUNCTION_DECLS.
3634         * tree-pass.h: Added passes.
3635         * tree-sra.c: (sra_init_cache): New function.
3636         (sra_insert_before, sra_insert_after) Made public.
3637         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3638         and made public.
3639         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3640         aliasing. (may_alias_p): Added code to use type escape analysis to
3641         improve alias sets.
3642         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3643         code to prune clobbers of static variables based on information
3644         produced in ipa-reference pass.  Changed call clobbering so that
3645         statics are not marked as clobbered if the call does not clobber
3646         them.
3647
3648 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
3649
3650         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3651         too.
3652
3653 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
3654
3655         * doc/install.texi (*-*-solaris2*): Document recommended version
3656         of GNU binutils and mention GNU linker problem on Solaris 10.
3657
3658 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
3659
3660         PR c/22421
3661         * c-decl.c (c_build_bitfield_integer_type): New function.
3662         (finish_struct): Call it.
3663         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3664
3665 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3666
3667         * c-typeck.c (digest_init): Call 'convert_for_assignment'
3668         before returning.
3669
3670 2005-07-16  Jan Hubicka  <jh@suse.cz>
3671
3672         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3673         (scale_bbs_frequencies_int): Watch roundoff errors.
3674         * predict.c (return_prediction): Initialize return_stmt.
3675
3676 2005-07-16  Jan Hubicka  <jh@suse.cz>
3677
3678         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3679         after RTL profiling.
3680
3681 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
3682
3683         PR middle-end/22398
3684         * fold-const.c (build_range_check): Convert high/low to etype
3685         if we are only comparing against exp.
3686
3687 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
3688
3689         Fix PR tree-optimization/22376
3690         * tree-ssa-structalias.c (build_constraint_graph): We really meant
3691         special var here.
3692         (need_to_solve): New function.
3693         (compute_points_to_sets): Use it.
3694
3695 2005-07-15  Jan Hubicka  <jh@suse.cz>
3696
3697         * cfg.c (update_bb_profile_for_threading): More diagnostic.
3698         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3699
3700 2005-07-15  Richard Guenther  <rguenther@suse.de>
3701
3702         * c-common.c (handle_flatten_attribute): New function.
3703         Add flatten function attribute.
3704         * doc/extend.texi: Document flatten function attribute.
3705         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3706         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3707         New functions.
3708         (cgraph_decide_inlining): Handle functions with flatten
3709         attribute.
3710
3711 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
3712
3713         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3714         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3715         UNSPEC_XCHG, UNSPEC_AND): New.
3716         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3717         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3718         * config/rs6000/sync.md (FETCHOP): New code macro.
3719         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3720         New code attrs.
3721         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3722         (sync_compare_and_swap<mode>): Same.
3723         (sync_lock_test_and_set<mode>): Same.
3724         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3725         for QImode and HImode, and not PPC405.
3726         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3727         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3728         (sync_<fetchop>{si,di}_internal): New.
3729         (sync_nand{si,di}_internal): New.
3730         (sync_old_<fetchop>{si,di}_internal): New.
3731         (sync_old_nand{si,di}_internal): New
3732         (sync_new_<fetchop>{si,di}_internal): New.
3733         (sync_new_nand{si,di}_internal): New.
3734         (atomic_and{si,di}): New.
3735         (sync_new_nand{si,di}_internal): New.
3736         (atomic_and{si,di}): New.
3737         (sync_add<mode>_internal): Delete.
3738         (sync_addshort_internal): Use unspec instead of unspec_volatile.
3739         (sync_sub<mode>_internal): Delte.
3740         (sync_subshort_internal): New.
3741         (sync_andsi_internal): Use unspec instead of unspec_volatile.
3742         (sync_anddi_internal): Delete.
3743         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3744         (sync_booldi_internal): Delete.
3745         (sync_boolc<mode>_internal): Delete.
3746         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3747         (sync_boolc<mode>_internal2): Delete.
3748         (sync_boolcc<mode>_internal): Delete.
3749         (isync, lwsync): Use unspec instead of unspec_volatile.
3750         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3751         Revert UNSPEC_VOLATILE.
3752         (rs6000_split_atomic_op): New.
3753         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3754
3755 2005-07-14  Eric Christopher  <echristo@redhat.com>
3756
3757         * config/mips/mips.c (mips_canonicalize_comparison): Cast
3758         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3759
3760 2005-07-14  Eric Christopher  <echristo@redhat.com>
3761
3762         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3763
3764 2005-07-14  Steven Bosscher  <stevenb@suse.de>
3765
3766         PR tree-optimization/22230
3767         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3768         the computation of the four cross productions for "range op range".
3769
3770 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
3771             Ulrich Weigand  <uweigand@de.ibm.com>
3772
3773         PR target/20126
3774         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3775         in some insn.
3776
3777 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3778
3779         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3780
3781 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
3782
3783         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3784
3785 2005-07-14  Richard Guenther  <rguenther@suse.de>
3786
3787         PR middle-end/22347
3788         * config/i386/i386-protos.h (ix86_function_value): Change
3789         prototype to match new target hook.
3790         * config/i386/i386.c (ix86_value_regno): Change prototype
3791         to take extra type argument.
3792         (TARGET_FUNCTION_VALUE): Define.
3793         (ix86_function_ok_for_sibcall): Pass extra argument to
3794         ix86_value_regno, check return slot rtx for exact match.
3795         (ix86_function_value): Take extra parameter.  Dispatch to
3796         ix86_value_regno with fndecl/fntype as provided.
3797         (ix86_value_regno): Handle extra type argument.
3798         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3799
3800         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3801         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3802         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3803         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3804         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3805
3806 2005-07-14  Richard Guenther  <rguenther@suse.de>
3807
3808         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3809         * calls.c (expand_call): Pass fntype to hard_function_value.
3810         (emit_library_call_value_1): Likewise.
3811         * explow.c: Include target.h.
3812         (hard_function_value): Take extra argument, the fntype.
3813         Use new target hook for function_value.
3814         * expr.h (hard_function_value): Change prototype.
3815         * function.c (aggregate_value_p): Pass 0 as fntype to
3816         hard_function_value.
3817         (assign_parms): Use new target hook for function_value.
3818         Pass 0 as fntype to hard_function_value.
3819         (expand_function_end): Likewise.
3820         * reg-stack.c: Include target.h.
3821         (stack_result): Use new target hook for function_value.
3822         * target-def.h: New target hook function_value.
3823         * target.h: Likewise.
3824         * targhooks.c (default_function_value): New function.
3825         * targhooks.h (default_function_value): Declare.
3826
3827 2005-07-13  Ian Lance Taylor  <ian@airs.com>
3828
3829         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3830
3831 2005-07-14  Jan Hubicka  <jh@suse.cz>
3832
3833         * tree-dfa.c (dump_variable): Use default_def function.
3834         * tree-ssa-alias.c (dump_points_to_info): Likewise.
3835         * tree-ssa.c (verify_use): Likewise.
3836         * tree-ssanames.c (release_ssa_name): Likewise.
3837         * tree-tailcall.c (eliminate_tail_call): Likewise.
3838         (tree_optimize_tail_calls_1): Likewise.
3839         * tree-vrp.c (get_value_range): Likewise.
3840
3841 2005-07-14  Ben Elliston  <bje@au.ibm.com>
3842
3843         * gcc.c (main): Compare language[0] with '*' when iterating over
3844         the infiles.
3845
3846 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3847
3848         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3849         "s390_emit_compare".  Add handling of CCZ1mode.
3850         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3851         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3852         checking.
3853         (s390_branch_condition_mask): Add CCZ1mode handling.
3854         * config/s390/s390.md: ("seq", "*seq"): New pattern.
3855         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3856         Use CCZ1mode instead of CCZmode.
3857         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
3858
3859 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3860
3861         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3862         pattern.
3863         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3864
3865 2005-07-13  Eric Christopher  <echristo@redhat.com>
3866
3867         * config/mips/mips.c (mips_canonicalize_comparison): New.
3868         (mips_emit_int_relational): Use.
3869
3870 2005-07-13  Eric Christopher  <echristo@redhat.com>
3871
3872         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3873         static extra parts.
3874         * config/s390/s390.md: Include tpf.md. Move tpf specific
3875         patterns...
3876         * config/s390/tpf.md: To here.
3877         * config/s390/s390.opt: Move tpf specific options...
3878         * config/s390/tpf.opt: to here. Add mmain option.
3879         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3880         * config/s390/tpf.h: Rewrite.
3881
3882 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3883
3884         * doc/tm.texi: Remove @xref{Cross-profiling}.
3885
3886 2005-07-13  Jeff Law  <law@redhat.com>
3887
3888         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3889         expressions, test their _DECL operands for pointer equality rather
3890         than using operand_equal_p.
3891
3892 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3893
3894         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3895         (TARGET_POSIX_IO): This.
3896         * config/darwin.h: Likewise.
3897         * config/freebsd.h: Likewise.
3898         * config/linux.h: Likewise.
3899         * config/lynx.h: Likewise.
3900         * config/netbsd.h: Likewise.
3901         * config/rs6000/linux64.h: Likewise.
3902         * config/rs6000/linux.h: Likewise.
3903         * config/s390/tpf.h: Likewise.
3904         * config/sh/embed-elf.h: Likewise.
3905         * config/sparc/linux64.h: Likewise.
3906         * config/sparc/linux.h: Likewise.
3907         * config/svr4.h: Likewise.
3908         * gcov-io.h: Likewise.
3909
3910         * doc/tm.texi: Updated.
3911
3912         * libgcov.c (create_file_directory): Defined only if
3913         TARGET_POSIX_IO is defined.
3914         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3915         is defined.
3916
3917 2005-07-13  Jan Hubicka  <jh@suse.cz>
3918
3919         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3920
3921 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
3922
3923         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3924         structure as argument.
3925
3926 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
3927
3928         PR tree-optimization/21921
3929         * tree-iterator.c (tsi_link_before): Support the case when
3930         tsi_end_p (tsi) == true.
3931
3932 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3933
3934         PR tree-optimization/22442
3935         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3936         correctly.
3937
3938 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3939
3940         PR rtl-optimization/20376
3941         * toplev.c (process_options): Enable -fweb and -frename-registers when
3942         unrolling.
3943         * doc/invoke.texi: Update the information about when -fweb and
3944         -frename-registers are enabled.
3945
3946 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3947
3948         PR tree-opt/21840
3949         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3950         if *rhs_p is not a SSA_NAME.
3951
3952 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
3953
3954         Fix PR tree-optimization/22422
3955         * tree-ssa-structalias.c (struct variable_info): Add flag for
3956         special vars.
3957         (get_varinfo): Now a static function.
3958         (new_varinfo): init has_union and is_special_var to false.
3959         (solution_set_add): Check has_union.
3960         (do_da_constraint): Move temporary variable so it gets reset
3961         properly.
3962         Also check for special variable.
3963         (do_ds_constraint): Ditto.
3964         (do_sd_constraint): Ditto.
3965         (do_structure_copy): Check for special variable.
3966         (find_func_aliases): Ditto.
3967         (init_base_vars): Set special vars properly.
3968
3969 2005-07-13  Jan Hubicka  <jh@suse.cz>
3970
3971         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3972         do unit-at-a-time.
3973
3974         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3975         (get_expr_operands): Fix thinko wrt flags and subvars.
3976
3977         PR tree-optimize/22379
3978         * tree-inline.c (expand_call_inline): Do not output sorry in early
3979         inlining.
3980
3981 2005-07-12  Dale Johannesen  <dalej@apple.com>
3982
3983         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
3984
3985 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3986
3987         PR bootstrap/21704
3988         * host-linux.h: Include limits.h.
3989
3990 2005-07-12  Dale Johannesen  <dalej@apple.com>
3991
3992         * expr.c (compress_float_constant):  Add cost check.
3993         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
3994
3995 2005-07-12  Dale Johannesen  <dalej@apple.com>
3996
3997         * gcc.target/i386/compress-float-sse.c:  New.
3998         * gcc.target/i386/compress-float-sse-pic.c:  New.
3999         * gcc.target/i386/compress-float-387.c:  New.
4000         * gcc.target/i386/compress-float-387-pic.c:  New.
4001         * gcc.dg/compress-float-ppc.c:  New.
4002         * gcc.dg/compress-float-ppc-pic.c:  New.
4003
4004 2005-07-12  Eric Christopher  <echristo@redhat.com>
4005
4006         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4007         static extra parts.
4008         * config/s390/s390.md: Include tpf.md. Move tpf specific
4009         patterns...
4010         * config/s390/tpf.md: To here.
4011         * config/s390/s390.opt: Move tpf specific options...
4012         * config/s390/tpf.opt: to here. Add mmain option.
4013         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4014         * config/s390/tpf.h: Rewrite.
4015
4016 2005-07-12  Eric Christopher  <echristo@redhat.com>
4017
4018         * gcc.c (struct infile): Update comment for language.
4019         (main): Rewrite input file resetting code.
4020
4021 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4022
4023         PR tree-opt/22335
4024         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4025         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
4026         (lookup_avail_expr): Use constant_boolean_node instead
4027         of boolean_false_node/boolean_true_node.
4028
4029 2005-07-12  Ben Elliston  <bje@au.ibm.com>
4030
4031         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4032         and use it when printing num_edges.
4033
4034 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4035
4036         * doc/extend.texi (Blackfin Built-in Functions): New section.
4037         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4038         @opindex.
4039
4040 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
4041
4042         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4043         s/cmpstrsi/cmpstrnsi
4044         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4045         'cmpstrnsi'.
4046         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4047         (init_optabs): Initialize cmpstrn_optab.
4048         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4049         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4050         * expr.c: (enum insn_code cmpstrn_optab): Declare.
4051         * config/i386/i386.md: s/cmpstr/cmpstrn
4052         * config/c4x/c4x.md: s/cmpstr/cmpstrn
4053         * doc/md.texi: Update documentation.
4054
4055 2005-07-11  Richard Henderson  <rth@redhat.com>
4056
4057         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4058         build_va_arg_indirect_ref.
4059         (alpha_gimplify_va_arg): Likewise.
4060         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4061         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4062         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4063         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4064         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4065         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4066         Likewise.
4067         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4068
4069 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4070
4071         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4072         * passes.c (init_optimization_passes): Add pass_empty_loop.
4073         * tree-pass.h (pass_empty_loop): Declare.
4074         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4075         try_remove_empty_loop, remove_empty_loops): New functions.
4076         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4077         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4078
4079 2005-07-12  Peter Barada  <peter@the-baradas.com>
4080
4081         PR middle-end/16719
4082         PR middle-end/18421
4083         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4084         in address registers.
4085         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4086         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4087         alternative of addsi3_5200.
4088
4089 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4090
4091         * config/mips/mips.md (ffs<mode>2): Remove.
4092
4093 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4094
4095         * doc/tree-ssa.texi (Cleanups): Improve description of
4096         TRY_FINALLY_EXPR.
4097         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4098
4099 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4100
4101         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4102         * tree.h (DECL_ARGUMENT_FLD): New macro.
4103
4104 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4105
4106         Fix PR tree-optimization/22404
4107
4108         * tree-ssa-structalias.c (create_variable_info_for): Use
4109         correct offset.
4110
4111 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4112
4113         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4114         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4115         for second comparison operand.
4116         * config/bfin/predicates.md (reg_or_const_int_operand): New.
4117
4118         * config/bfin/bfin.md (define_attr "type"): Add "sync".
4119         (define_insn_reservation "alu"): Likewise.
4120         (csync, ssync): Now of type sync.
4121         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4122         -mcsync-anomaly -mspecld-anomaly.
4123         * config/bfin/bfin.opt (mcsync): Remove.
4124         (mcsync-anomaly, mspecld-anomaly): Add.
4125         * config/bfin/bfin.c: Include "insn-codes.h".
4126         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4127         (TARGET_DEFAULT_TARGET_FLAGS): New.
4128         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4129
4130 2005-07-11  Steven Bosscher  <stevenb@suse.de>
4131
4132         * basic-block.h: Give the BB flags enum a name, bb_flags.
4133         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4134         * cfgcleanup.c (enum bb_flags): Remove here.
4135         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4136         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4137         (update_forwarder_flag): Likewise.
4138         (thread_jump): Likewise.
4139         (try_forward_edges): Likewise.
4140         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
4141         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
4142         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4143
4144 2005-07-11  Richard Guenther  <rguenther@suse.de>
4145
4146         * config/i386/i386.opt: New target option -msseregparm.
4147         * config/i386/i386.c (override_options): Error out for
4148         -msseregparm but no SSE support.
4149         (ix86_function_sseregparm): Check for global sseregparm.
4150         * doc/invoke.texi: Document -msseregparm.
4151
4152 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4153
4154         * config.gcc (m32r-*-linux*): Use the default extra_parts.
4155         (m32rle-*-linux*): Ditto.
4156
4157 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
4158
4159         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4160         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4161         bytes.
4162
4163 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4164
4165         PR middle-end/22239
4166         PR target/20126
4167         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4168         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4169
4170 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
4171
4172         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4173         (varmap): Heapify varmap.
4174         (constraints): Heapify constraints.
4175         (struct constraint_graph): Heapify succs and preds.
4176         (constraint_vec_find): Update for heapification.
4177         (constraint_set_union): Ditto.
4178         (insert_into_complex): Ditto.
4179         (constraint_edge_vec_find): Ditto.
4180         (erase_graph_self_edge): Ditto.
4181         (add_graph_edge): Ditto.
4182         (get_graph_weights): Ditto.
4183         (merge_graph_nodes): Ditto.
4184         (build_constraint_graph): Ditto.
4185         (topo_visit): Ditto.
4186         (solve_graph): Ditto.
4187         (create_variable_info_for): Ditto.
4188         (init_base_vars): Ditto.
4189         (delete_points_to_sets): Free graph, varmap, and complex constraints.
4190         (condese_varmap_nodes): Free complex vector.
4191         (clear_edges_for_node): Clear succs and preds vector.
4192
4193 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
4194
4195         * tree-ssa-structalias.c (update_alias_info): Change counting of
4196         references to not include vdefs.
4197
4198 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
4199
4200         * tree-ssa-alias.c (free_used_part_map): Add missing free.
4201         (up_insert): Ditto.
4202
4203 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4204
4205         * pa.c (pa_commutative_p): Make PLUS commutative when
4206         TARGET_NO_SPACE_REGS is true.
4207
4208 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4209
4210         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4211         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4212         * tree-dfa.c (dump_subvars_for): New.
4213         (debug_subvars_for): New.
4214         (dump_variable): Show subvariables if VAR has them.
4215         * tree-flow-inline.h (get_subvar_at): New.
4216         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4217         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4218         Update all users.
4219         (struct subvar): Change fields offset and size to unsigned
4220         HOST_WIDE_INT.
4221         (dump_subvars_for): Declare.
4222         (debug_subvars_for): Declare.
4223         (get_subvar_at): Declare.
4224         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4225         to unsigned HOST_WIDE_INT *.
4226         (overlap_subvar): Likewise.
4227         * tree-gimple.c (is_gimple_reg): Always return false for
4228         SFTs and memory tags.
4229         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4230         Update all callers.
4231         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4232         (compute_may_aliases): Call compute_points_to_sets.
4233         (collect_points_to_info_for): Remove.
4234         (compute_points_to_and_addr_escape): Remove.
4235         (delete_alias_info): Call delete_points_to_sets.
4236         (compute_flow_sensitive_aliasing): If the call to
4237         find_what_p_points_to returns false, call set_pt_anything.
4238         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4239         (set_pt_anything): Clear pi->pt_vars.
4240         (set_pt_malloc): Remove.
4241         (merge_pointed_to_info): Remove.
4242         (add_pointed_to_expr): Remove.
4243         (add_pointed_to_var): Remove.
4244         (collect_points_to_info_r): Remove.
4245         (is_escape_site): Make extern.
4246         (create_sft): New.
4247         (create_overlap_variables_for): Call it.
4248         * tree-ssa-copy.c (merge_alias_info): Never merge
4249         flow-sensitive alias information.
4250         * tree-ssa-operands.c (get_expr_operands): Adjust variables
4251         offset and size to be unsigned HOST_WIDE_INT.
4252         (add_to_addressable_set): Rename from note_addressable.
4253         Set TREE_ADDRESSABLE as the variables are added to the set.
4254         Update all users.
4255         (add_stmt_operand): Do not try to micro-optimize unmodifiable
4256         operands into VUSEs when adding V_MAY_DEFs for members in an
4257         alias set.
4258         * tree-ssa-operands.h (add_to_addressable_set): Declare.
4259         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4260         (struct variable_info): Add bitfield is_heap_var.
4261         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4262         (new_var_info): Initialize is_heap_var.
4263         (get_constraint_for): Add HEAP variables to the symbol table.
4264         Mark them with is_heap_var.
4265         (update_alias_info): New.  Taken mostly from the old
4266         compute_points_to_and_addr_escape.
4267         (handle_ptr_arith): New.
4268         (find_func_aliases): Call update_alias_info.
4269         Call handle_ptr_info for tcc_binary expressions.
4270         Call mark_stmt_modified.
4271         (create_variable_info_for): If DECL has subvars, do not create
4272         variables for its subvars.  Always add all the fields.
4273         (set_uids_in_ptset): If the solution includes ANYOFFSET and
4274         SFTs, then add all the SFTs of the structure.
4275         If VI->DECL is an aggregate with subvariables, add the SFT at
4276         VI->OFFSET.
4277         (find_what_p_points_to): If VI is an artificial variable,
4278         translate to bitfields in SSA_NAME_PTR_INFO.
4279         If the solution is empty, set pi->pt_vars to NULL
4280         (init_base_vars): Create ANYOFFSET.
4281         (compute_points_to_sets): Rename from create_alias_vars.
4282         Make extern.
4283         (pass_build_pta): Remove.
4284         (delete_points_to_sets): Rename from delete_alias_vars.
4285         (pass_del_pta): Remove.
4286         * tree-ssa-structalias.h (struct alias_info): Move from
4287         tree-ssa-alias.h.
4288         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4289         NUM_REFERENCES_SET): Likewise.
4290         (compute_points_to_sets, delete_points_to_sets): Declare.
4291
4292 2005-07-09  Richard Henderson  <rth@redhat.com>
4293
4294         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4295         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4296         alpha_split_lock_test_and_set_12): New functions.
4297         * config/alpha/alpha-protos.h: Update.
4298         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4299         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4300         * config/alpha/sync.md (I12MODE): New.
4301         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4302         (sync_<fetchop_name><I48MODE>): Likewise.
4303         (sync_nand<I48MODE>): Likewise.
4304         (sync_old_<fetchop_name><I48MODE>): Likewise.
4305         (sync_new_<fetchop_name><I48MODE>): Likewise.
4306         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4307         (sync_compare_and_swap<I48MODE>): Likewise.
4308         (sync_lock_test_and_set<I48MODE>): Likewise.
4309         (sync_compare_and_swap<I12MODE>): New.
4310         (sync_compare_and_swap<I12MODE>_1): New.
4311         (sync_lock_test_and_set<I12MODE>): New.
4312         (sync_lock_test_and_set<I12MODE>_1): New.
4313
4314 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4315
4316         PR 21356
4317         PR 22332
4318         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4319
4320 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
4321
4322         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4323         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4324
4325 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
4326
4327         PR target/21656
4328         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4329
4330 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
4331
4332         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4333         memory_operand constraint.
4334         (store_conditional_<mode>): Same.
4335         (sync_compare_and_swap<mode>): Same.
4336         (sync_lock_test_and_set<mode>): Same.
4337
4338 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
4339
4340         Rewrite PIC support to more closely model actual instructions.
4341         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4342         (cris_symbol): Remove prototypes for removed functions.
4343         (cris_pic_symbol_type_of, cris_valid_pic_const)
4344         (cris_expand_pic_call_address): Prototypes for new functions.
4345         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4346         variable.
4347         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4348         modifiers.
4349         <case ':'>: Add case for new punctuation character.
4350         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4351         emitting (extra) PIC modifier.
4352         <case UNSPEC>: Do not assert for PLT.
4353         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4354         (cris_expand_prologue, cris_expand_epilogue): Check
4355         for pic_offset_table_rtx usage instead of taking
4356         current_function_uses_pic_offset_table as the final word.
4357         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4358         Remove flag_pic difference.
4359         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4360         the moral equivalents of...
4361         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4362         functions.
4363         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4364         (cris_handle_option): Mark ARG as unused.
4365         (cris_expand_pic_call_address): New worker function for "call",
4366         "call_value".
4367         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4368         output PIC constructs here.
4369         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4370         as symbol-specific modifers, not whole or part of operands.
4371         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4372         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4373         constants and flag_pic.
4374         (CONSTANT_INDEX_P): Adjust for new functions.
4375         (enum cris_pic_symbol_type): New helper type.
4376         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4377         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4378         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4379         define_constants.
4380         ("movsi"): Emit actual instructions for GOT and relative access.
4381         ("*movsi_got_load"): New pattern to set up the register holding
4382         the GOT pointer.
4383         ("*movsi_internal"): Operand 1 is not a plain general_operand.
4384         Adjust FIXME for 'S'.
4385         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4386         Use "movs" for -fpic cases.
4387         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4388         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4389         ("call", "call_value"): Just call cris_expand_pic_call_address for
4390         PIC addresses.
4391         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4392         Remove special pattern.
4393         ("*expanded_call_side", "*expanded_call_value_side"): New
4394         patterns.
4395         (gotplt-to-plt, gotplt-to-plt-side-call)
4396         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4397         peephole2:s.
4398         * config/cris/cris/predicates.md
4399         ("cris_general_operand_or_gotless_symbol"): Remove unused
4400         predicate.
4401         ("cris_general_operand_or_symbol"): Adjust for new functions.
4402
4403 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4404
4405         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4406
4407 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
4408
4409         * Makefile.in (TREE_H): Add treestruct.def.
4410         (c-decl.o): Add pointer-set.h
4411         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4412         visibility on regular DECL's.
4413         (merge_decls): Fix the copying of decl nodes of various types for
4414         the new structures.  Don't update RTL, section name, weak status,
4415         etc, on DECL's without RTL.
4416         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4417         Don't check volatile on non-variable types.
4418         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4419         to check whether we have seen arguments.
4420         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4421         flag is checked before field (flag is common, field is not).
4422         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
4423         TS_DECL_COMMON could have an origin.
4424         (add_location_or_const_value_attribute): Don't check section name
4425         on non-var/function decls.
4426         (dwarf2out_var_location): Reverse order of tests.
4427         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4428         with DECL_WRTL_CHECK.
4429         * expmed.c (make_tree): rtl is now in decl_with_rtl.
4430         * fold-const.c (fold_binary): Don't check weakness on
4431         non-var/function decls.
4432         (tree_expr_nonzero_p): Ditto.
4433         (fold_checksum_tree): Use tree_decl_extra as sizeof
4434         buffer.
4435         * ggc-page.c (extra_order_size_table): Add sizes for
4436         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
4437         tree_field_decl.
4438         * gimplify.c (gimplify_bind_expr): Only set
4439         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4440         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4441         without RTL.
4442         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4443         * langhooks.h (init_ts). New langhook.
4444         * passes.c (rest_of_decl_compilation): Reverse order of tests.
4445         * print-tree.c (print_node): Update to only print fields that
4446         exist in the structures the passed decl has.
4447         * toplev.c (wrapup_global_declarations): Don't reset
4448         DECL_DEFER_OUTPUT on DECL's that don't contain it.
4449         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4450         * tree-inline.c (remap_decl): Ditto.
4451         * tree-outof-ssa.c (create_temp): Reverse order of tests.
4452         * tree-pretty-print.c (print_declaration): Don't print
4453         DECL_REGISTER on things that don't contain it.
4454         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4455         non-var/function decls.
4456         * tree.c (tree_contains_struct): New structure.
4457         (init_priority_for_decl): New hashtable.
4458         (tree_int_map): New structure.
4459         (tree_int_map_eq): New function.
4460         (tree_int_map_marked_p): Ditto.
4461         (tree_int_map_hash): Ditto.
4462         (tree_map): Move to tree.h.
4463         (tree_map_eq): Externalize.
4464         (tree_map_hash): Ditto.
4465         (tree_map_marked_p): Ditto.
4466         (init_ttree): Set up tree_contains_struct and call langhook.
4467         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4468         (tree_code_size): Update for new structures.
4469         (tree_node_structure): Update for new structures.
4470         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4471         without the field.
4472         (copy_node_stat):  Copy init priority.
4473         (build_decl_stat): Ditto for visibility.
4474         (ts_enum_names): New.
4475         (tree_contains_struct_check_failed): New function.
4476         (decl_init_priority_lookup): Ditto.
4477         (decl_init_priority_insert): Ditto.
4478         * treestruct.def: New file.
4479         * tree.h (CODE_CONTAINS_STRUCT): New macro.
4480         (CONTAINS_STRUCT_CHECK): Ditto.
4481         (tree_contains_struct_check_failed): New prototype.
4482         (DECL_CHECK): Removed.
4483         (DECL_MINIMAL_CHECK): New.
4484         (DECL_COMMON_CHECK): Ditto.
4485         (DECL_WRTL_CHECK): Ditto.
4486         (DECL_NON_COMMON_CHECK): Ditto.
4487         (DECL_WITH_VIS_CHECK): Ditto.
4488         (VAR_OR_FUNCTION_DECL_P): Ditto
4489         (struct tree_decl_minimal): New structure.
4490         (struct tree_decl_common): Ditto.
4491         (struct tree_decl_with_rtl): Ditto.
4492         (struct tree_decl_with_vis): Ditto.
4493         (struct tree_decl_non_common): Ditto.
4494         (struct tree_field_decl): Ditto.
4495         (struct tree_parm_decl): Ditto.
4496         (struct tree_var_decl): Ditto.
4497         (struct tree_function_decl): Ditto.
4498         (struct tree_const_decl): Ditto.
4499         (struct tree_result_decl): Ditto.
4500         (union tree_node): Add new structures.
4501         * var-tracking.c (track_expr_p): Reverse order of tests.
4502
4503         * doc/c-tree.texi: Add documentation on DECL node internal structure.
4504
4505 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4506
4507         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4508         * system.h: Poison FINALIZE_PIC.
4509         * doc/tm.texi (FINALIZE_PIC): Remove.
4510
4511 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4512
4513         PR tree-opt/22329
4514         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4515         to the correct type if we have a MODIFY_EXPR.
4516
4517 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4518
4519         PR tree-optimization/22360
4520         * tree.c (upper_bound_in_type): Fix calculations for casting
4521         to a non-wider signed type and casting a signed value to a
4522         wider unsigned type.
4523         (lower_bound_in_type): Fix calculations for casting to a
4524         non-wider signed type.
4525
4526         PR tree-optimization/20139
4527         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4528         release_defs.
4529         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4530         fold_cond_expr_cond.
4531         * tree-ssanames.c (release_defs): Assert in_ssa_p.
4532         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4533
4534 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4535
4536         PR tree-opt/22356
4537         * tree-complex.c (expand_complex_libcall): Produce
4538         REALPART_EXPR/IMAGPART_EXPR with the correct type.
4539
4540 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
4541
4542         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4543         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4544         b" assert and inserted fastpath code for this case.
4545         (bitmap_ior): Removed "a != b" assert.
4546
4547 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4548
4549         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
4550         (ENDFILE_SPEC): Likewise.
4551         * config/m32r/m32r.h (ASM_SPEC): Likewise.
4552
4553         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
4554         a large stack frame at epilogue.
4555
4556 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
4557
4558         * final.c: Include sdbout.h when required.
4559
4560 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
4561
4562         * config.gcc (*-*-darwin*): Only one target-specific header file
4563         for generic darwin.
4564         (powerpc-*-darwin*): Add version-specific header files.
4565         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
4566         * config.in: Regenerate.
4567         * configure: Regenerate.
4568         * gcc.c: Include xregex.h.
4569         (version_compare_spec_function): New.
4570         (spec_function): Add version-compare.
4571         (replace_outfile_spec_function): Reformat comment.
4572         (compare_version_strings): New.
4573         * config/darwin-c.c (version_as_macro): New.
4574         (builtin_define): New.
4575         (darwin_cpp_builtins): New.
4576         * config/darwin-protos.h (darwin_cpp_builtins): New.
4577         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
4578         (LIB_SPEC): Make unconditional, update comment.
4579         (TARGET_C99_FUNCTIONS): Define.
4580         * config/darwin.opt: Sort.
4581         (mmacosx-version-min=): New.
4582         * config/darwin7.h: Delete.
4583         * config/darwin8.h: Delete.
4584         * config/i386/darwin.h (): Call darwin_cpp_builtins.
4585         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
4586         (TARGET_C99_FUNCTIONS): Define.
4587         * config/rs6000/darwin7.h: New.
4588         * config/rs6000/darwin8.h: New.
4589         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
4590         (-mmacosx-version-min): Document.
4591
4592 2005-07-07  Ian Lance Taylor  <ian@airs.com>
4593
4594         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
4595
4596 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
4597
4598         PR middle-end/22239
4599         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
4600
4601 2005-07-07  Khem Raj  <kraj@mvista.com>
4602
4603         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
4604         in bytes, not words.
4605
4606 2005-07-07  Paul Brook  <paul@codesourcery.com>
4607
4608         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
4609         DEFAULT_FUNCTION_ARG_PADDING to upward.
4610
4611 2005-07-07  Richard Henderson  <rth@redhat.com>
4612
4613         * function.c (locate_and_pad_parm): Record parameter alignment in
4614         stack_alignment_needed.
4615
4616 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
4617
4618         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
4619         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
4620         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
4621         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
4622         (define_attr "type"): Add isync, sync, load_l, store_c.
4623         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
4624         Create scratch volatile MEM.
4625         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
4626         sync.
4627         (load_locked_<mode>): New.
4628         (store_conditional_<mode>): New.
4629         (sync_compare_and_swap<mode>): Replace with splitter.
4630         (sync_lock_test_and_set<mode>): Replace with splitter.
4631         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
4632         and UNSPECV_ISYNC.
4633         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
4634         is ics.  Attribute isync.
4635         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
4636         lwsync.
4637         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
4638         and UNSPECV_SYNC_OP.
4639         (emit_unlikely_jump): New.
4640         (emit_load_locked): New.
4641         (emit_store_conditional): New.
4642         (rs6000_split_compare_and_swap): New.
4643         (rs6000_split_lock_test_and_set): New.
4644         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
4645         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
4646         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
4647         rs6000_split_lock_test_and_set): Declare.
4648         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
4649         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
4650         store_c, isync, sync.
4651
4652 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
4653
4654         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
4655         filenames to gtyp-gen.h.
4656         (s-typ-gen): Use it in place of for loops.
4657
4658 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
4659
4660         * hooks.c (hook_bool_rtx_int_false): New function.
4661         * hooks.h (hook_bool_rtx_int_false): Declare.
4662         * target-def.h (TARGET_COMMUTATIVE_P): Define.
4663         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
4664         * target.h (struct gcc_target): Add commutative_p member.
4665         * targhooks.c (hook_bool_rtx_commutative_p): New function.
4666         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
4667         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
4668         (pa_commutative_p): New function.
4669         * jump.c (target.h): Include.
4670         (rtx_renumbered_equal_p): Use targetm.commutative_p.
4671         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
4672
4673 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4674
4675         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
4676         (s390_expand_setmem): New.
4677         * config/s390/s390.c: Likewise.
4678         (print_shift_count_operand): Truncate to 12 bits instead of 6.
4679         Adapt comments.
4680         * config/s390/s390.md: ("setmem<mode>"): Accept character as
4681         general_operand.  Call new function "s390_expand_setmem".
4682         ("clrmem_long", "*clrmem_long"): Rewrite to ...
4683         ("setmem_long", "*setmem_long"): ... this.
4684
4685 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4686
4687         * config/s390/s390.c: (optimization_options): Enable
4688         TARGET_MVCLE at -Os.
4689         * doc/invoke.texi: Document changes in default behaviour.
4690         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
4691
4692 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4693
4694         * expr.c: (set_storage_via_setmem): Convert opchar to mode
4695         defined by back-end.
4696
4697 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
4698
4699         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
4700         all sets in the pattern.
4701         * config/rs6000/rs6000.md (stack_protect_testsi,
4702         stack_protect_testdi): Likewise.
4703
4704 2005-07-06  Jeff Law  <law@redhat.com>
4705
4706         * tree-vrp.c (simplify_using_ranges): Kill.
4707         (vrp_finalize): Remove call to simplify_using_ranges.
4708         (simplify_stmt_using_ranges): New function extracted from
4709         simplify_using_ranges.
4710         (simplify_div_or_mod_using_ranges): Likewise.
4711         (simplify_abs_using_ranges): Likewise.
4712         (simplify_cond_using_ranges): New function.
4713         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
4714         * tree-ssa-propagate.c (substitute_and_fold): Call
4715         simplify_stmt_using_ranges if we have range information.
4716
4717 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
4718
4719         * config/ia64/ia64.c (ia64_reorg): Check optimize before
4720         ia64_flag_schedule_isns2.
4721
4722         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
4723         reading/writing general registers.
4724         (ia64_function_arg): Revert 2005-06-18 change.
4725
4726 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4727
4728         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
4729         (legitimize_tls_address): Use gcc_unreachable instead of abort.
4730
4731 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
4732
4733         * function.c (expand_function_end): Revert part of 2005-06-27
4734         patch.  Do sjlj_emit_function_exit_after after return_label.
4735
4736 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4737
4738         * doc/install.texi (--disable-libssp): New.
4739
4740 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
4741
4742         * doc/invoke.texi: Update -fforce-mem documentation.
4743         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
4744         code for -fforce-mem.
4745         * expmed.c: (store_bit_field,store_fixed_bit_field,
4746         extract_bit_field): Ditto.
4747         * expr.c: (convert_move): Ditto.
4748         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
4749         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
4750         emit_conditional_add,expand_float,expand_fix): Ditto.
4751         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
4752         (common_handle_option): Issue warning when -fforce-mem specified.
4753
4754 2005-07-06  Paul Brook  <paul@codesourcery.com>
4755
4756         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4757         argument is empty.
4758         * configure: Regenerate.
4759
4760 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
4761
4762         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4763
4764 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
4765
4766         Fix PR tree-optimization/22319
4767         Fix PR tree-optimization/22140
4768         Fix PR tree-optimization/22310
4769
4770         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4771         variable sized types.
4772         Use correct type for intermediate structure on *a = *b structure
4773         copies.
4774
4775 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4776
4777         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4778         Remove.
4779         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4780         (machine_function): Move typedef to...
4781         * config/rs6000/rs6000.c (machine_function): ... here.  Add
4782         varargs_save_offset field.
4783         (rs6000_stack_t): Remove varargs_size field.
4784         (setup_incoming_varargs): Allocate varargs save area using
4785         assign_stack_local, try to make it as small as possible.
4786         Save offset from virtual_stack_vars_rtx to the save area
4787         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
4788         instead of magic 8 when fp word byte size is used.
4789         (rs6000_va_start): Use cfun->machine->varargs_save_offset
4790         instead of -RS6000_VARARGS_SIZE.
4791         (rs6000_stack_info, debug_stack_info,
4792         rs6000_initial_elimination_offset): Remove all traces of
4793         varargs_size.
4794         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4795         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4796         RS6000_VARARGS_AREA.
4797
4798 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
4799
4800         PR tree-optimization/21963
4801         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4802         constant_multiple_of in the same way get_computation_cost_at does.
4803
4804 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4805
4806         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4807         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4808         (gen_compare_reg): If sparc_compare_emitted is set, clear it
4809         and return its previous value.
4810         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4811         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4812         constants.
4813         (stack_protect_set, stack_protect_test): New expanders.
4814         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4815         stack_protect_testdi): New insns.
4816         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4817         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4818
4819 2005-07-06  Jeff Law  <law@redhat.com>
4820
4821         * tree-ssa-dce.c (cfg_altered): New global.
4822         (tree_dce_init): Initialize cfg_altered.
4823         (remove_dead_stmt): If we remove an edge in the CFG, then set
4824         CFG_ALTERED.
4825         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4826         the dominators.
4827
4828 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4829
4830         * Makefile.in (stamp-collect-ld): Use
4831         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
4832         ./collect-ld if it already exists.
4833         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4834         Don't remove ./nm if it already exists.
4835
4836 2005-07-05  Devang Patel  <dpatel@apple.com>
4837
4838         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4839         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4840         * tree-vectorizer.c (vect_loop_location): New.
4841         (vect_print_dump_info): Use vect_loop_location.
4842         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4843         (vectorize_loops): Set vect_loop_location.
4844         * tree-vect-analyze.c (vect_analyze_offset_expr,
4845         vect_determin_vectorization_factor, vect_analyze_operations,
4846         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4847         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4848         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4849         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4850         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4851         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4852         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4853         vect_analyze_loop): Adjust vect_print_dump_info API.
4854         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4855         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4856         vect_finish_stmt_generation, vectorizable_assignment,
4857         vectorizable_operation, vectorizable_store, vectorizable_load,
4858         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4859         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4860         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4861         vect_transform_loop): Same.
4862         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4863         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4864         Same.
4865
4866 2005-07-05  Randolph Chung  <tausq@debian.org>
4867
4868         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4869         * configure: Regenerate.
4870         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4871         (pa_tls_referenced_p): Declare.
4872         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4873         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4874         (legitimize_tls_address): New.
4875         (hppa_legitimize_address): Handle TLS addresses.
4876         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4877         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4878         (emit_move_sequence): Handle TLS addresses.
4879         (pa_encode_section_info): Call default handler to handle common
4880         sections.
4881         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4882         (CONSTANT_ADDRESS_P): Reject TLS operands.
4883         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4884         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4885         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4886         (UNSPEC_TLSLE): Define new constants.
4887         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4888         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4889         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4890         (tie_symbolic_operand, tle_symbolic_operand): New
4891
4892 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
4893
4894         * aclocal.m4: Update macros for autoconf 2.59 style.
4895         * configure.ac: Likewise.
4896
4897 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4898
4899         * pa.c (function_value): Handle small aggregates on 32-bit targets.
4900         (function_arg): Pass small aggregates in general registers on 32-bit
4901         targets.
4902         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4903
4904 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
4905
4906         * Makefile.in (final.o): Fix dependencies.
4907
4908 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4909
4910         PR c/22013
4911         PR c/22098
4912         * langhooks.h (struct lang_hooks): Add expr_to_decl.
4913         * langhooks.c (lhd_expr_to_decl): New.
4914         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4915         New.
4916         (LANG_HOOKS_INITIALIZER): Update.
4917         * tree.c (recompute_tree_invarant_for_addr_expr): Call
4918         expr_to_decl langhook.
4919         * c-tree.h (c_expr_to_decl): Declare.
4920         * c-typeck.c (c_expr_to_decl): New.
4921         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4922         specially.
4923         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4924
4925 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4926
4927         PR c/22308
4928         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4929         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4930
4931 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
4932
4933         * Makefile.in: Adjust dependencies.
4934         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4935         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4936         * alias.c (rest_of_handle_cfg, pass_cfg): New.
4937         * bb-reorder.c (duplicate_computed_gotos): Make it static.
4938         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4939         rest_of_compilation.
4940
4941         * bb-reorder.c (gate_duplicate_computed_gotos,
4942         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4943         rest_of_handle_reorder_blocks, pass_reorder_blocks,
4944         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4945         pass_partition_blocks): New.
4946         * bt-load.c (gate_handle_branch_target_load_optimize,
4947         rest_of_handle_branch_target_load_optimize,
4948         pass_branch_target_load_optimize): New.
4949         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4950         pass_jump2): New.
4951         * cfglayout.c (pass_insn_locators_initialize): New.
4952         * cfgrtl.c (pass_free_cfg): New.
4953         * combine.c (gate_handle_combine, rest_of_handle_combine,
4954         pass_combine): New.
4955         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4956         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4957         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4958         * except.c (pass_set_nothrow_function_flags,
4959         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4960         pass_rtl_eh): New.
4961         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4962         rest_of_handle_shorten_branches, pass_shorten_branches,
4963         rest_of_clean_state, pass_clean_state): New.
4964         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4965         rest_of_handle_remove_death_notes, pass_remove_death_notes,
4966         rest_of_handle_life, pass_life, rest_of_handle_flow2,
4967         pass_flow2): New.
4968         * function.c (pass_instantiate_virtual_regs, pass_init_function,
4969         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4970         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4971         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4972         pass_gcse): New.
4973         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4974         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4975         pass_rtl_ifcvt, gate_handle_if_after_combine,
4976         rest_of_handle_if_after_combine, pass_if_after_combine,
4977         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4978         pass_if_after_reload): New.
4979         * integrate.c (pass_initial_value_sets): New.
4980         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4981         pass_purge_lineno_notes): New.
4982         * mode-switching.c (rest_of_handle_mode_switching,
4983         pass_mode_switching): New.
4984         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4985         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4986         pass_loop2): New.
4987         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4988         pass_loop_optimize): New.
4989         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4990         pass_sms): New.
4991         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4992         pass_gcse2): New.
4993         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4994         pass_postreload_cse): New.
4995         * profile.c (gate_handle_profiling, pass_profiling,
4996         rest_of_handle_branch_prob, pass_branch_prob): New.
4997         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4998         pass_split_before_regstack, gate_handle_split_before_regstack,
4999         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5000         rest_of_handle_split_all_insns, pass_split_all_insns): New.
5001         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5002         pass_stack_regs): New.
5003         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5004         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5005         pass_stack_adjustments): New.
5006         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5007         pass_regrename): New.
5008         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5009         pass_delay_slots, gate_handle_machine_reorg,
5010         rest_of_handle_machine_reorg, pass_machine_reorg): New.
5011         * rtl.h (extern void purge_line_number_notes): New.
5012         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5013         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5014         pass_sched2): New.
5015         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5016         pass_tracer): New.
5017         * value-prof.c (gate_handle_value_profile_transformations,
5018         rest_of_handle_value_profile_transformations,
5019         pass_value_profile_transformations): New.
5020         * var-tracking.c (gate_handle_var_tracking,
5021         pass_variable_tracking): New.
5022         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5023
5024         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5025         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5026         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5027         rest_of_handle_old_regalloc, rest_of_handle_regrename,
5028         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5029         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5030         rest_of_handle_gcse2, rest_of_handle_regmove,
5031         rest_of_handle_tracer, rest_of_handle_if_conversion,
5032         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5033         rest_of_handle_web, rest_of_handle_branch_prob,
5034         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5035         rest_of_handle_jump_bypass, rest_of_handle_combine,
5036         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5037         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5038         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5039         rest_of_handle_mode_switching, rest_of_handle_jump,
5040         rest_of_handle_eh, rest_of_handle_stack_adjustments,
5041         rest_of_handle_flow2, rest_of_handle_jump2,
5042         rest_of_handle_peephole2, rest_of_handle_postreload,
5043         rest_of_handle_shorten_branches, rest_of_clean_state,
5044         rest_of_compilation): Remove.
5045
5046         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5047         * passes.c (dump_flags, in_gimple_form, all_passes,
5048         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5049         register_dump_files, next_pass_1, last_verified, execute_todo,
5050         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5051         from tree-optimize.c.
5052         (init_optimization_passes): Moved from tree-optimize.c,
5053         adding the RTL optimizations.
5054         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5055         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5056         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5057         register_dump_files, next_pass_1, last_verified, execute_todo,
5058         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5059         init_tree_optimization_passes, ipa_passes): Delete.
5060         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5061         the RTL dumps.
5062         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5063         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5064         from tree.h.
5065         (ipa_passes): Remove.
5066         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5067         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5068         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5069         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5070         (dump_info_p, dump_flag): Moved to tree-dump.h.
5071
5072         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5073         cgraph.c, opts.c.
5074         * passes.c (finish_optimization_passes): Use dump_begin
5075         and dump_end, TDI_end.
5076         (gate_rest_of_compilation): New.
5077         (pass_rest_of_compilation): Use it.
5078         (gate_postreload, pass_postreload): New.
5079         * toplev.c (general_init): Rename init_tree_optimization_passes.
5080         * toplev.h (init_tree_optimization_passes): Rename to
5081         init_optimizations_passes.
5082         * tree-dump.c (dump_flag): Make static.
5083         (dump_files): Remove RTL dumps.
5084         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5085         pass_cleanup_cfg, pass_free_cfg_annotations,
5086         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5087         pass_init_datastructures, pass_fixup_cfg): Make non-static.
5088         * tree-pretty-print.c: Include tree-pass.h.
5089         * cgraph.c: Include tree-dump.h.
5090
5091 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5092
5093         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5094         Only fall back to saying it points to readonly memory if
5095         we can't do better.
5096
5097 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5098
5099         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5100         * config/m32r/m32r.c (m32r_compute_frame_size,
5101         m32r_expand_prologue): Take current_function_profile into
5102         account whenever we reference
5103         current_function_uses_pic_offset_table.
5104         (m32r_finalize_pic): Remove.
5105         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5106
5107 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
5108
5109         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5110         instead of $<.  Don't remove ./as if it already exists.
5111
5112 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5113
5114         PR target/21723
5115         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5116         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5117         for complex modes when generating code for PA 1.0.
5118         (VALID_FP_MODE_P): New macro.
5119         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5120         sets for all general and floating point modes.  Align wide floating
5121         point modes to even register boundaries to comply with architectural
5122         requirements.
5123         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5124         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5125         (VALID_FP_MODE_P): New macro.
5126         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5127         sets for all general and floating point modes.  Align wide floating
5128         point modes to even register boundaries to comply with architectural
5129         requirements.
5130
5131 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5132
5133         * tree-dump.c (dump_files): Initialize dump number for .cgraph
5134         to 0.
5135
5136 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5137
5138         * tree-ssa-structalias.c: Don't include expr.h.
5139
5140 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5141
5142         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5143         comments.
5144
5145 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5146
5147         Fix PR tree-optimization/22279
5148
5149         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5150         correct operator.
5151
5152 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
5153
5154         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5155
5156 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5157
5158         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5159         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5160         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5161         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5162         config/stormy16/stormy16.c, config/v850/v850.c,
5163         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5164         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5165         Avoid "." or "\n" at end of diagnostics and capital letters at
5166         start of diagnostics.
5167         * combine.c, cse.c: Don't translate dump file output.
5168         * toplev.c (print_version): Only translate output if going to
5169         stderr.
5170
5171 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5172
5173         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5174         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5175         typos.
5176
5177 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5178
5179         * pa.c (fix_range): Fix typo in comment.
5180
5181 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5182
5183         * tree-vrp.c (extract_range_from_assert): Replace
5184         fold (build (...)) with fold_build2.
5185
5186 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5187
5188         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5189         gcc_gfc_char_table, init_dynamic_gfc_info): New.
5190         (format_types_orig, handle_format_attribute): Add support for
5191         format "gcc_gfc".
5192
5193 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5194
5195         * varasm.c (assemble_variable): Fix format specifier thinko.
5196
5197 2005-07-03  Ira Rosen  <irar@il.ibm.com>
5198
5199         PR tree-optimization/22029 (and 22135)
5200         * tree-pretty-print.c (dump_generic_node): Check that the node is not
5201         a phi node before calling dump_vops.
5202
5203 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5204
5205         * tree-dump.h (dump_string_field): Declare.
5206         * tree-dump.c: Use it instead of dump_string.
5207         (dump_string_field): Make non-static.
5208
5209 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5210
5211         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5212         up the minimal CFG stuff always when optimize > 0.  Call
5213         split_all_insns_noflow in PIC case if needed.
5214
5215 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5216             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5217
5218         PR c++/18279
5219         * c-decl.c (c_write_global_declarations): Dump contents of
5220         external scope to.
5221         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5222         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5223         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5224         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5225         is enabled.
5226
5227 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5228
5229         * c-common.h (GCC_DIAG_STYLE): Define.
5230         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
5231         version for format checking to 4.1.
5232         * c-format.c: Include toplev.h after c-common.h.
5233         (enum format_type): Add gcc_tdiag_format_type.
5234         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5235         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5236         (format_types_orig): Add gcc_tdiag.
5237         (init_dynamic_diag_info): Support gcc_tdiag formats.
5238         (handle_format_attribute): Likewise.
5239         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5240         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
5241         version for format checking to 4.1.
5242         (warning0, warning, error, pedwarn, sorry): Use
5243         ATTRIBUTE_GCC_DIAG.
5244         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5245         (finish_aliases_1): Do not use %qE.
5246         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5247         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5248         Correct format bugs.
5249         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5250         parameter to unsigned HOST_WIDE_INT.
5251         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5252
5253 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
5254
5255         PR middle-end/21742
5256         * expr.c (write_complex_part): Use adjust_address for MEM.
5257         (read_complex_part): Same.
5258
5259 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
5260
5261         Fix PR tree-optimization/22280
5262
5263         * tree-sra.c (generate_element_init): Remove useless loop.
5264
5265 2005-07-02  Richard Henderson  <rth@redhat.com>
5266
5267         * config/alpha/alpha.c (alpha_legitimize_address): Check for
5268         TLS_MODEL_NONE.
5269         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5270
5271 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
5272
5273         PR middle-end/14490
5274         * fold-const.c (fold_binary): Handle the return value of
5275         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5276         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5277
5278 2005-07-02  Jeff Law  <law@redhat.com>
5279
5280         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5281         a eliminate type conversion which feeds an equality comparison
5282         if the original type or either operand in the comparison is a
5283         function pointer.
5284
5285 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
5286
5287         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5288         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5289         texts.
5290         * config/avr/avr.c: Do not use '`' as left quote.
5291         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5292         Remove "." from end of diagnostics.  Make diagnostics start with
5293         lowercase letter.
5294
5295 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
5296             Joseph S. Myers  <joseph@codesourcery.com>
5297
5298         * toplev.c (default_tree_printer): Handle setting location with
5299         '+' flag.
5300         * c-objc.common.c (c_tree_printer): Likewise.
5301         * c-format.c (gcc_diag_flag_specs): Add '+'.
5302         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5303         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5304         formats.
5305         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5306         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5307         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5308         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5309         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5310         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
5311         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
5312         format arguments where %J is used without %D.
5313
5314 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
5315
5316         * gcc.c (LINK_SSP_SPEC): Define.
5317         (link_ssp_spec): New variable.
5318         (LINK_COMMAND_SPEC): Add %(link_ssp).
5319         (static_specs): Add link_ssp_spec.
5320         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5321         * configure: Rebuilt.
5322         * config.in: Rebuilt.
5323
5324         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5325         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5326         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5327         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5328         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5329         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5330         -0x7008(2) instead of reading __stack_chk_guard variable.
5331         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5332         number.
5333         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5334         (stack_protect_set, stack_protect_test): Use *_tls* patterns
5335         if TARGET_THREAD_SSP_OFFSET is defined.
5336         (stack_tls_protect_set_si, stack_tls_protect_set_di,
5337         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5338
5339         Revert:
5340         2005-06-27  Richard Henderson  <rth@redhat.com>
5341         * libgcc-std.ver (GCC_4.1.0): New.
5342         * libgcc.h (__stack_chk_guard): Declare.
5343         (__stack_chk_fail, __stack_chk_fail_local): Declare.
5344         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5345         * mklibgcc.in (lib2funcs): Add them.
5346
5347 2005-07-01  Richard Henderson  <rth@redhat.com>
5348
5349         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5350         void * before struct sigcontext *.
5351         (x86_fallback_frame_state): Likewise.
5352
5353 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
5354
5355         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5356
5357 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5358
5359         PR tree-opt/22269
5360         * tree-ssa-reassoc.c (should_transpose): Fix which operand
5361         we check for SSA_NAME for.
5362
5363 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
5364
5365         Fix PR tree-optimization/22071
5366
5367         * tree-ssa-structalias.c (offset_overlaps_with_access): New
5368         function.
5369         (get_constraint_for_component_ref): Use it.
5370
5371 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5372
5373         PR other/22264
5374         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5375         print out the last new line.
5376
5377 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
5378
5379         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5380         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5381         * config/cris/cris.c (cris_conditional_register_usage): Adjust
5382         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5383         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5384         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5385         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5386         (enum reg_class): New member CC0_REGS.
5387         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5388         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5389         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5390         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5391         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5392         Adjust for register now described.
5393
5394 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
5395
5396         PR target/22262
5397         * config/i386/i386.md (stack_protect_test_si,
5398         stack_protect_test_di): Add earlyclobber for scratch 3.
5399         * config/rs6000/rs6000.md (stack_protect_testsi,
5400         stack_protect_testdi): Add earlyclobber for scratch 3,
5401         remove earlyclobber from scratch 4.
5402
5403 Older entries for 2005 can be found in ChangeLog-2005.