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