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